FN Thomson Reuters Web of Science™ VR 1.0 PT J AU Vertatschitsch, LE Sahr, JD Colestock, P Close, S AF Vertatschitsch, L. E. Sahr, J. D. Colestock, P. Close, S. TI Meteoroid head echo polarization features studied by numerical electromagnetics modeling SO RADIO SCIENCE LA English DT Article ID SCATTERING; RADAR; SPHERES; MASS AB Meteoroid head echoes are radar returns associated with scatter from the dense plasma surrounding meteoroids striking the Earth's atmosphere. Such echoes are detected by high power, large aperture (HPLA) radars. Frequently such detections show large variations in signal strength that suggest constructive and destructive interference. Using the ARPA Long-Range Tracking and Instrumentation Radar (ALTAIR) we can also observe the polarization of the returns. Usually, scatter from head echoes resembles scatter from a small sphere; when transmitting right circular polarization (RC), the received signal consists entirely of left circular polarization (LC). For some detections, power is also received in the RC channel, which indicates the presence of a more complicated scattering process. Radar returns of a fragmenting meteoroid are simulated using a hard-sphere scattering model numerically evaluated in the resonant region of Mie scatter. The cross- and co-polar scattering cross-sections are computed for pairs of spheres lying within a few wavelengths, simulating the earliest stages of fragmentation upon atmospheric impact. The likelihood of detecting this sort of idealized fragmentation event is small, but this demonstrates the measurements that would result from such an event would display RC power comparable to LC power, matching the anomalous data. The resulting computations show that fragmentation is a consistent interpretation for these head echo radar returns. C1 [Vertatschitsch, L. E.; Sahr, J. D.] Univ Washington, Dept Elect Engn, Seattle, WA 98195 USA. [Colestock, P.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA. [Close, S.] Stanford Univ, Dept Aeronaut & Astronaut, Stanford, CA 94305 USA. RP Vertatschitsch, LE (reprint author), Univ Washington, Dept Elect Engn, POB 32500, Seattle, WA 98195 USA. EM vertatle@u.washington.edu FU Los Alamos National Laboratory [20090176ER] FX We would like to acknowledge Los Alamos National Laboratory, specifically the LDRD program, project 20090176ER for funding portions of this work. In addition, the reviewers greatly contributed to the improvement of this article. NR 18 TC 3 Z9 3 U1 0 U2 0 PU AMER GEOPHYSICAL UNION PI WASHINGTON PA 2000 FLORIDA AVE NW, WASHINGTON, DC 20009 USA SN 0048-6604 EI 1944-799X J9 RADIO SCI JI Radio Sci. PD DEC 31 PY 2011 VL 46 AR RS6016 DI 10.1029/2011RS004774 PG 9 WC Astronomy & Astrophysics; Geochemistry & Geophysics; Meteorology & Atmospheric Sciences; Remote Sensing; Telecommunications SC Astronomy & Astrophysics; Geochemistry & Geophysics; Meteorology & Atmospheric Sciences; Remote Sensing; Telecommunications GA 871OW UT WOS:000298748500002 ER PT J AU Vemuri, RS Noor-A-Alam, M Gullapalli, SK Engelhard, MH Ramana, CV AF Vemuri, R. S. Noor-A-Alam, M. Gullapalli, S. K. Engelhard, M. H. Ramana, C. V. TI Nitrogen-incorporation induced changes in the microstructure of nanocrystalline WO(3) thin films SO THIN SOLID FILMS LA English DT Article DE WO(3) films; Nitrogen doping; Microstructure; Electrical conductivity ID TUNGSTEN-OXIDE; ELECTRICAL-PROPERTIES; XPS; NITRIDE; SURFACE; RUTILE AB Nitrogen incorporated tungsten oxide (WO(3)) films were grown by reactive magnetron sputter-deposition by varying the nitrogen content in the reactive gas mixture keeping the deposition temperature fixed at 400 degrees C. The crystal structure, surface morphology, chemical composition, and electrical resistivity of nitrogen doped WO(3) films were evaluated using X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), scanning electron microscopy (SEM) and electrical conductivity measurements. The results indicate that the nitrogen-incorporation induced changes in the microstructure and electrical properties of WO(3) films are significant. XRD measurements coupled with SEM analysis indicate that the increasing nitrogen content decreases the grain size and crystal quality. The nitrogen concentration increases from 0 at.% to 1.35 at.% with increasing nitrogen flow rate from 0 to 20 sccm. The corresponding dc electrical conductivity of the films had shown a decreasing trend with increasing nitrogen content. (C) 2011 Elsevier B.V. All rights reserved. C1 [Vemuri, R. S.; Noor-A-Alam, M.; Gullapalli, S. K.; Ramana, C. V.] Univ Texas El Paso, Dept Mech Engn, El Paso, TX 79968 USA. [Vemuri, R. S.; Ramana, C. V.] Univ Texas El Paso, Dept Mat Sci & Engn, El Paso, TX 79968 USA. [Vemuri, R. S.; Engelhard, M. H.] Pacific NW Natl Lab, EMSL, Richland, WA 99352 USA. RP Ramana, CV (reprint author), Univ Texas El Paso, Dept Mech Engn, El Paso, TX 79968 USA. EM rvchintalapalle@utep.edu RI Engelhard, Mark/F-1317-2010; OI Engelhard, Mark/0000-0002-5543-0812 FU Department of Energy [DE-PS26-08NT00198-00]; Department of Energy's Office of Biological and Environmental Research FX A portion of the material presented in this paper is based upon work supported by the Department of Energy under Award Number DE-PS26-08NT00198-00. A portion of the research was performed using Environmental Molecular Sciences Laboratory (EMSL), a national scientific user facility sponsored by the Department of Energy's Office of Biological and Environmental Research and located at Pacific Northwest National Laboratory. NR 39 TC 3 Z9 4 U1 0 U2 10 PU ELSEVIER SCIENCE SA PI LAUSANNE PA PO BOX 564, 1001 LAUSANNE, SWITZERLAND SN 0040-6090 J9 THIN SOLID FILMS JI Thin Solid Films PD DEC 30 PY 2011 VL 520 IS 5 BP 1446 EP 1450 DI 10.1016/j.tsf.2011.08.080 PG 5 WC Materials Science, Multidisciplinary; Materials Science, Coatings & Films; Physics, Applied; Physics, Condensed Matter SC Materials Science; Physics GA 878DL UT WOS:000299233000017 ER PT J AU Kahvecioglu, O Sista, V Eryilmaz, OL Erdemir, A Timur, S AF Kahvecioglu, O. Sista, V. Eryilmaz, O. L. Erdemir, A. Timur, S. TI Ultra-fast boriding of nickel aluminide SO THIN SOLID FILMS LA English DT Article ID FRACTURE-TOUGHNESS; IRON ALUMINIDES; INTERMETALLICS; CRYSTAL; AL AB In this study, we explored the possibility of ultra-fast electrochemical boriding of nickel aluminide (Ni(3)Al) in a molten borax electrolyte. Electrochemical boriding was performed at 950 degrees C for 15 min and at current densities ranging from0.1 to 0.5 A/cm(2). The boride layers formed on the test samples were 50 to 260 mu m thick depending on the current density. The mechanical, structural, and chemical characterization of the boride layers was carried out using a Vickers micro-hardness test machine, optical and scanning electron microscopes, and a thin film Xray diffractometer. The hardness of boride layer was in the range from 800 to 1200 +/- 50 HV depending on the load and the region from which the hardness measurements were taken. X-ray diffraction studies confirmed that the boride layers were primarily composed of Ni(3)B, Ni(4)B(3) and Ni(20)AlB(14) phases. Structurally, the boride layer was very homogenous and uniformly thick across the borided surface area. (C) 2011 Elsevier B.V. All rights reserved. C1 [Kahvecioglu, O.; Timur, S.] Istanbul Tech Univ, Dept Met & Mat Engn, TR-80626 Istanbul, Turkey. [Sista, V.; Eryilmaz, O. L.; Erdemir, A.] Argonne Natl Lab, Div Energy Syst, Argonne, IL 60439 USA. RP Kahvecioglu, O (reprint author), Istanbul Tech Univ, Dept Met & Mat Engn, TR-34469 Maslak, Turkey. EM kahveciog3@itu.edu.tr RI Timur, Servet/J-2893-2012; Kahvecioglu Feridun, Ozgenur/L-3167-2015 FU U.S. Department of Energy, Office of Energy Efficiency and Renewable Energy, ITP [DE-AC02-06CH11357]; U.S. Department of Energy; U.S. Department of Energy Office of Science Laboratory [DE-AC02-06CH11357] FX The authors would like to thank the U.S. Department of Energy, Office of Energy Efficiency and Renewable Energy, ITP, under contract number DE-AC02-06CH11357 with the U.S. Department of Energy for supporting this work. The electron microscopy study was accomplished at the Electron Microscopy Center for Materials Research at Argonne National Laboratory, a U.S. Department of Energy Office of Science Laboratory operated under contract no. DE-AC02-06CH11357 by UChicago Argonne, LLC. They would also like to thank for performing the X-ray diffraction study, which was carried out in part in the Frederick Seitz Materials Research Laboratory Central Facilities, University of Illinois. The authors would like to thank Gerald Jeka for doing the microscopy imaging and helping in sample preparation. NR 26 TC 10 Z9 10 U1 0 U2 9 PU ELSEVIER SCIENCE SA PI LAUSANNE PA PO BOX 564, 1001 LAUSANNE, SWITZERLAND SN 0040-6090 J9 THIN SOLID FILMS JI Thin Solid Films PD DEC 30 PY 2011 VL 520 IS 5 BP 1575 EP 1581 DI 10.1016/j.tsf.2011.08.077 PG 7 WC Materials Science, Multidisciplinary; Materials Science, Coatings & Films; Physics, Applied; Physics, Condensed Matter SC Materials Science; Physics GA 878DL UT WOS:000299233000040 ER PT J AU Sista, V Kahvecioglu, O Eryilmaz, OL Erdemir, A Timur, S AF Sista, V. Kahvecioglu, O. Eryilmaz, O. L. Erdemir, A. Timur, S. TI Electrochemical boriding and characterization of AISI D2 tool steel SO THIN SOLID FILMS LA English DT Article DE Boriding; FeB; CrB; Fe(2)B; Molten salt electrolysis; D2 steel ID BORONIZED DUCTILE IRON; MECHANICAL-PROPERTIES; WEAR BEHAVIOR; FRACTURE-TOUGHNESS; ABRASIVE WEAR; COATINGS; FRICTION; KINETICS; CORROSION; ADHESION AB D2 is an air-hardening tool steel and due to its high chromium content provides very good protection against wear and oxidation, especially at elevated temperatures. Boriding of D2 steel can further enhance its surface mechanical and tribological properties. Unfortunately, it has been very difficult to achieve a very dense and uniformly thick boride layers on D2 steel using traditional boriding processes. In an attempt to overcome such a deficiency, we explored the suitability and potential usefulness of electrochemical boriding for achieving thick and hard boride layers on this tool steel in a molten borax electrolyte at 850, 900, 950 and 1000 degrees C for durations ranging from 15 min to 1 h. The microstructural characterization and phase analysis of the resultant boride layers were performed using optical, scanning electron microscopy and X-ray diffraction methods. Our studies have confirmed that a single phase Fe(2)B layer or a composite layer consisting of FeB+Fe(2)B is feasible on the surface of D2 steel depending on the length of boriding time. The boride layers formed after shorter durations (i.e., 15 min) mainly consisted of Fe(2)B phase and was about 30 mu m thick. The thickness of the layer formed in 60 min was about 60 mu m and composed mainly of FeB and Fe(2)B. The cross sectional micro-hardness values of the boride layers varied between 14 and 22 GPa, depending on the phase composition. Published by Elsevier B.V. C1 [Sista, V.; Eryilmaz, O. L.; Erdemir, A.] Argonne Natl Lab, Div Energy Syst, Argonne, IL 60439 USA. [Kahvecioglu, O.; Timur, S.] Istanbul Tech Univ, Dept Met & Mat Engn, TR-80626 Istanbul, Turkey. RP Sista, V (reprint author), Argonne Natl Lab, Div Energy Syst, 9700 S Cass Ave, Argonne, IL 60439 USA. EM vsista@anl.gov RI Timur, Servet/J-2893-2012; Kahvecioglu Feridun, Ozgenur/L-3167-2015 FU U.S. Department of Energy, Office of Energy Efficiency and Renewable Energy [DE-AC02-06CH11357]; U.S. Department of Energy Office of Science Laboratory [DE-AC02-06CH11357] FX This work was supported by the U.S. Department of Energy, Office of Energy Efficiency and Renewable Energy, Industrial Technologies Program, under Contract No. DE-AC02-06CH11357. The electron microscopy study was accomplished at the Electron Microscopy Center for Materials Research at Argonne National Laboratory, a U.S. Department of Energy Office of Science Laboratory operated under Contract No. DE-AC02-06CH11357 by UChicago Argonne, LLC. They would also like to thank the X-ray diffraction study which was carried out in part in the Frederick Seitz Materials Research Laboratory Central Facilities, University of Illinois. The authors would like to thank Gerald Jeka for helping in sample preparation. NR 34 TC 19 Z9 20 U1 0 U2 16 PU ELSEVIER SCIENCE SA PI LAUSANNE PA PO BOX 564, 1001 LAUSANNE, SWITZERLAND SN 0040-6090 J9 THIN SOLID FILMS JI Thin Solid Films PD DEC 30 PY 2011 VL 520 IS 5 BP 1582 EP 1588 DI 10.1016/j.tsf.2011.07.057 PG 7 WC Materials Science, Multidisciplinary; Materials Science, Coatings & Films; Physics, Applied; Physics, Condensed Matter SC Materials Science; Physics GA 878DL UT WOS:000299233000041 ER PT J AU Morris, CJ Wilkins, P May, C Zakar, E Weihs, TP AF Morris, Christopher J. Wilkins, Paul May, Chadd Zakar, Eugene Weihs, Timothy P. TI Streak spectrograph temperature analysis from electrically exploded Ni/Al nanolaminates SO THIN SOLID FILMS LA English DT Article DE Exothermic mixing; Reactive laminates; Streak camera spectroscopy; Plasma temperatures ID EMISSION; FOILS; PLASMA; COMPOSITES AB We report on electrically-induced heating and mixing of multilayered nickel/aluminum (Ni/Al) laminates observed by streak camera emission spectroscopy. Past experiments probing the kinetic energy of material ejected from the reaction zone indicate that additional kinetic energy originates from Ni/Al samples, presumably from exothermic mixing between the two metals. Here we examine streak spectrographs of similar experiments to determine the presence of expected elements and their temperatures. We conducted these experiments in rough vacuum, but found the emission to be dominated by argon (Ar) and nitrogen (N) lines in addition to the expected emission of Al and Ni, which were also present. Using the spectral information of Ar, we analyzed the relative intensities of four Ar peaks between 425 and 455 nm, with respect to their expected Boltzmann distributions to yield temperatures as a function of time. These temperatures were 2.24-2.59 eV for Al samples, and 2.93-3.27 eV for both Ni and Ni/Al samples, and were within estimates based on the measured electrical energy delivered to each device. The higher Ni/Al sample temperatures seemed to validate our past measurements of increased kinetic energy and the apparent rapid exothermic mixing between Ni and Al, although Ni samples yielded surprisingly high temperatures as well. These results may be important for future nanomanufacturing techniques involving localized heating from reactive Ni/Al multilayers, where the precise control of spatial temperatures may necessitate an equally precise temporal control of the reaction. Published by Elsevier B.V. C1 [Morris, Christopher J.] USA, Res Lab, RDRL SER L, Adelphi, MD 20783 USA. [Wilkins, Paul; May, Chadd] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA. [Weihs, Timothy P.] Johns Hopkins Univ, Dept Mat Sci & Engn, Baltimore, MD 21218 USA. RP Morris, CJ (reprint author), USA, Res Lab, RDRL SER L, 2800 Powder Mill Rd, Adelphi, MD 20783 USA. EM christopher.j.morris58.civ@mail.mil RI Weihs, Timothy/A-3313-2010 FU Office Naval Research [N00014-07-1-0740] FX The authors gratefully acknowledge Dr. Kevin McNesby at U.S. Army Research Laboratory for helpful discussions on analysis of streak emission spectroscopy. Professor T. P. Weihs acknowledges the financial support of the Office Naval Research through Grant No. N00014-07-1-0740. NR 24 TC 9 Z9 9 U1 0 U2 10 PU ELSEVIER SCIENCE SA PI LAUSANNE PA PO BOX 564, 1001 LAUSANNE, SWITZERLAND SN 0040-6090 J9 THIN SOLID FILMS JI Thin Solid Films PD DEC 30 PY 2011 VL 520 IS 5 BP 1645 EP 1650 DI 10.1016/j.tsf.2011.07.043 PG 6 WC Materials Science, Multidisciplinary; Materials Science, Coatings & Films; Physics, Applied; Physics, Condensed Matter SC Materials Science; Physics GA 878DL UT WOS:000299233000052 ER PT J AU Song, W Lu, WC Wang, CZ Ho, KM AF Song, Wei Lu, Wen-Cai Wang, C. Z. Ho, K. M. TI Magnetic and electronic properties of the nickel clusters Ni-n (n <= 30) SO COMPUTATIONAL AND THEORETICAL CHEMISTRY LA English DT Article DE Nickel clusters; Magnetic properties; Ionization potentials; Electron affinities ID MOLECULAR-DYNAMICS; FE; CO; STABILITY; AU-20; SC; TI AB The magnetic property and electronic properties such as ionization potentials and electron affinities of the Ni-n (n <= 30) neutral and ionic clusters have been studied using the density functional theory calculations with the PBE exchange-correlation energy functional. The variations of the calculated magnetic and ionization potential behaviors of the neutral Ni-n (n <= 30) clusters are in good agreement with the experimental data. The tendency of the calculated electron affinity is generally consistent with but has small deviations from the experimental results. (C) 2011 Published by Elsevier B.V. C1 [Song, Wei; Lu, Wen-Cai] Jilin Univ, State Key Lab Theoret & Computat Chem, Inst Theoret Chem, Changchun 130021, Jilin, Peoples R China. [Lu, Wen-Cai] Qingdao Univ, Coll Phys, Qingdao 266071, Shandong, Peoples R China. [Lu, Wen-Cai] Qingdao Univ, Lab Fiber Mat & Modern Text, Growing Base State Key Lab, Qingdao 266071, Shandong, Peoples R China. [Wang, C. Z.; Ho, K. M.] Iowa State Univ, Dept Phys & Astron, Ames, IA 50011 USA. [Wang, C. Z.; Ho, K. M.] US DOE, Ames Lab, Ames, IA 50011 USA. RP Lu, WC (reprint author), Jilin Univ, State Key Lab Theoret & Computat Chem, Inst Theoret Chem, Changchun 130021, Jilin, Peoples R China. EM wencailu@jlu.edu.cn FU National Natural Science Foundation of China [21043001, 20773047]; US Department of Energy by Iowa State University [DE-AC02-07CH11358]; Energy Research, Office of Basic Energy Sciences FX This work was supported by the National Natural Science Foundation of China under Grant Nos. 21043001 and 20773047. Ames Laboratory is operated for the US Department of Energy by Iowa State University under Contract No. DE-AC02-07CH11358. This work was also supported by the Director for Energy Research, Office of Basic Energy Sciences including a grant of computer time at the National Energy Research Supercomputing Center (NERSC) in Berkeley. NR 33 TC 15 Z9 18 U1 3 U2 23 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 2210-271X J9 COMPUT THEOR CHEM JI Comput. Theor. Chem. PD DEC 30 PY 2011 VL 978 IS 1-3 BP 41 EP 46 DI 10.1016/j.comptc.2011.09.028 PG 6 WC Chemistry, Physical SC Chemistry GA 862VG UT WOS:000298121600006 ER PT J AU Assary, RS Broadbelt, LJ AF Assary, Rajeev S. Broadbelt, Linda J. TI 2-Keto acids to branched-chain alcohols as biofuels: Application of reaction network analysis and high-level quantum chemical methods to understand thermodynamic landscapes SO COMPUTATIONAL AND THEORETICAL CHEMISTRY LA English DT Article DE Reaction network; ABE fermentation; Ehrlich's pathways; Thermochemistry; G3B3 ID COMPLEX METABOLIC NETWORKS; GENOME-SCALE MODEL; SACCHAROMYCES-CEREVISIAE; PATHWAYS; RECONSTRUCTION; GENERATION; ENERGIES; DESIGN AB The discovery of biochemical reaction pathways consisting of both known and novel reactions to synthesize carbon-based compounds is of tremendous interest for the production of biofuels. One attractive target is energy-rich alcohols that can be produced via a series of enzymatic transformations. Computational tools for generating networks of reactions to produce alcohols have been demonstrated, yet the number of potential pathways was still too large to be explored experimentally. Here we present the results of high-level quantum chemical calculations to predict the thermodynamic feasibility of various reactions. The conversion of pyruvic acid to 1-butanol was used as an example system. The free energy landscapes generated using ab initio methods were compared against group contribution analysis for a reaction network of ABE fermentation of pyruvic acid. Secondly, detailed reaction energetics were calculated for Ehrlich's pathway for the conversion of 2-keto acids to alcohols. Finally, the energetics for the conversion of non-native keto acids such as 2-keto-butanoic acid, 2-keto-valeric acid and 2-keto-isovaleric acid to their corresponding alcohols were evaluated, and the thermodynamic landscapes were compared to that of the native substrate, pyruvic acid. (C) 2011 Elsevier B.V. All rights reserved. C1 [Assary, Rajeev S.; Broadbelt, Linda J.] Northwestern Univ, Dept Chem & Biol Engn, Evanston, IL 60208 USA. [Assary, Rajeev S.] Argonne Natl Lab, Div Mat Sci, Argonne, IL 60439 USA. RP Assary, RS (reprint author), Northwestern Univ, Dept Chem & Biol Engn, Evanston, IL 60208 USA. EM assary@anl.gov; Broadbelt@northwestern.edu RI Broadbelt, Linda/B-7640-2009; Surendran Assary, Rajeev/E-6833-2012 OI Surendran Assary, Rajeev/0000-0002-9571-3307 FU National Science Foundation [CBET-0835800] FX The authors are grateful for the financial support of the National Science Foundation (CBET-0835800). We gratefully acknowledge grants of computer time from the ANL Center for Nanoscale Materials. NR 35 TC 3 Z9 3 U1 1 U2 15 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 2210-271X J9 COMPUT THEOR CHEM JI Comput. Theor. Chem. PD DEC 30 PY 2011 VL 978 IS 1-3 BP 160 EP 165 DI 10.1016/j.comptc.2011.10.009 PG 6 WC Chemistry, Physical SC Chemistry GA 862VG UT WOS:000298121600021 ER PT J AU Colclasure, AM Smith, KA Kee, RJ AF Colclasure, Andrew M. Smith, Kandler A. Kee, Robert J. TI Modeling detailed chemistry and transport for solid-electrolyte-interface (SEI) films in Li-ion batteries SO ELECTROCHIMICA ACTA LA English DT Article DE Li-ion battery; Solid-electrolyte-interface; Computational model ID ELECTROCHEMICAL-BEHAVIOR; NEGATIVE ELECTRODE; POLYMER BATTERY; CELLS; PERFORMANCE; INTERPHASE; ADDITIVES; MECHANISM; SYSTEMS; DESIGN AB The thin solid-electrolyte-interface (SE!) films that grow around electrode particles play important roles in Li-ion battery performance. The objective of the present paper is to develop and apply models of SEI behavior that incorporate detailed chemical kinetics and multicomponent species transport. Species- and charge-conservation equations are derived and solved within the SEI film. The SEI model is coupled at its boundaries with an intercalation model within the electrode particles and with Li-ion transport and chemistry at the interface between the SEI and the electrolyte solution. The results of the model provide new insights concerning the influences of the intercalation fraction and cycling rate on SEI growth rates. The model also provides new insight concerning the influence of the SEI film on reversible potential and interfacial resistance. (C) 2011 Elsevier Ltd. All rights reserved. C1 [Colclasure, Andrew M.; Kee, Robert J.] Colorado Sch Mines, Div Engn, Golden, CO 80401 USA. [Smith, Kandler A.] Natl Renewable Energy Lab, Golden, CO 80401 USA. RP Kee, RJ (reprint author), Colorado Sch Mines, Div Engn, Golden, CO 80401 USA. EM rjkee@mines.edu FU Office of Naval Research via RTC [N00014-05-1-03339]; National Renewable Energy Laboratory; U.S. Department of Energy, Office of Vehicle Technologies, Energy Storage Program FX This effort was supported by the Office of Naval Research via an RTC grant (N00014-05-1-03339) and by the National Renewable Energy Laboratory under funding from the U.S. Department of Energy, Office of Vehicle Technologies, Energy Storage Program. We gratefully acknowledge many insightful discussions with Prof. David Goodwin (Caltech) concerning the elementary-reaction representation and software implementations of complex electrochemical charge-transfer processes. NR 27 TC 31 Z9 32 U1 7 U2 102 PU PERGAMON-ELSEVIER SCIENCE LTD PI OXFORD PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND SN 0013-4686 J9 ELECTROCHIM ACTA JI Electrochim. Acta PD DEC 30 PY 2011 VL 58 BP 33 EP 43 DI 10.1016/j.electacta.2011.08.067 PG 11 WC Electrochemistry SC Electrochemistry GA 871VH UT WOS:000298765300006 ER PT J AU Hebert, KR Zhang, GP Ho, KM Wang, CZ AF Hebert, Kurt R. Zhang, Guiping Ho, Kai-Ming Wang, Cai-Zhuang TI Modeling electrochemical and metal-phase processes during alkaline aluminum corrosion SO ELECTROCHIMICA ACTA LA English DT Article DE Aluminum corrosion; Vacancies; Hydride; Hydrogen absorption; Stress ID IN-SITU TEM; ANODIC-DISSOLUTION; INDUCED STRESS; HYDROGEN; CRACKING; HYDRIDE; EVOLUTION; DEFECTS; ALLOYS AB In stress corrosion cracking, the chemical pathways are not yet well-understood by which corrosion produces metal-phase defects responsible for degradation. Open-circuit dissolution of aluminum in alkaline solutions was investigated using a modeling approach, focusing on both electrochemical reactions and metal-phase processes. Pathways were identified leading to corrosion-induced tensile stress and formation of hydride, both of which can influence metal degradation processes. The model was based on the formation of vacancy-hydrogen defects during metal dissolution, and their subsequent aggregation in the metal to form hydride. Calculations successfully explained several transient measurements reported during dissolution, namely formation of subsurface voids and hydride, as well as open-circuit potential and stress. (C) 2011 Elsevier Ltd. All rights reserved. C1 [Hebert, Kurt R.] Iowa State Univ, Dept Chem & Biol Engn, Ames, IA 50011 USA. [Zhang, Guiping; Ho, Kai-Ming; Wang, Cai-Zhuang] US DOE, Ames Lab, Ames, IA 50011 USA. [Zhang, Guiping; Ho, Kai-Ming; Wang, Cai-Zhuang] Iowa State Univ, Dept Phys & Astron, Ames, IA 50011 USA. RP Hebert, KR (reprint author), Iowa State Univ, Dept Chem & Biol Engn, Ames, IA 50011 USA. EM krhebert@iastate.edu RI Zhang, Guiping/F-4390-2011 OI Zhang, Guiping/0000-0001-8697-5711 FU National Science Foundation [DMR-0605957] FX This work was supported by the National Science Foundation through grant DMR-0605957. NR 35 TC 5 Z9 5 U1 2 U2 14 PU PERGAMON-ELSEVIER SCIENCE LTD PI OXFORD PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND SN 0013-4686 J9 ELECTROCHIM ACTA JI Electrochim. Acta PD DEC 30 PY 2011 VL 58 BP 203 EP 208 DI 10.1016/j.electacta.2011.09.045 PG 6 WC Electrochemistry SC Electrochemistry GA 871VH UT WOS:000298765300030 ER PT J AU Tannenbaum, MJ AF Tannenbaum, M. J. TI RESULTS FROM PHENIX AT RHIC WITH IMPLICATIONS FOR LHC SO INTERNATIONAL JOURNAL OF MODERN PHYSICS A LA English DT Review DE RHIC; strongly interacting quark-gluon plasma (sQGP); heavy ion collisions; jet quenching; collective flow; Higgs mechanism; thermal radiation ID QUARK-GLUON PLASMA; LARGE TRANSVERSE-MOMENTUM; NUCLEUS-NUCLEUS COLLISIONS; PROTON-PROTON COLLISIONS; DENSE PARTONIC MATTER; HEAVY-ION COLLISIONS; P-P COLLISIONS; CERN-ISR; ENERGY-LOSS; J/PSI SUPPRESSION AB Results from the PHENIX experiment at the Relativistic Heavy Ion Collider (RHIC) in nucleus-nucleus and proton-proton collisions at c. m. energy root sNN = 200 GeV are presented in the context of the methods of single and two-particle inclusive reactions which were used in the discovery of hard-scattering in p-p collisions at the CERN ISR in the 1970' s. These techniques are used at RHIC in A+A collisions because of the huge combinatoric background from the large particle multiplicity. Topics include J/Psi suppression, jet quenching in the dense medium (sQGP) as observed with pi 0 at large transverse momentum, thermal photons, collective flow, two-particle correlations, suppression of heavy quarks at large pT and its possible relation to Higgs searches at the LHC. The differences and similarities of the measurements in p-p and A+A collisions are presented. The two discussion sessions which followed the lectures on which this article is based are included at the end. C1 Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA. RP Tannenbaum, MJ (reprint author), Brookhaven Natl Lab, Dept Phys, 510C, Upton, NY 11973 USA. EM mjt@bnl.gov OI Tannenbaum, Michael/0000-0002-8840-5314 FU U.S. Department of Energy [DE-AC02-98CH10886] FX This research was supported by U.S. Department of Energy, DE-AC02-98CH10886. This manuscript has been authored by employees of Brookhaven Science Associates, LLC under Contract No. DE-AC02-98CH10886 with the U.S. Department of Energy. The publisher by accepting the manuscript for publication acknowledges that the United States Government retains a nonexclusive, paid-up, irrevocable, world-wide license to publish or reproduce the published form of this manuscript, or allow others to do so, for United States Government purposes. NR 85 TC 1 Z9 1 U1 0 U2 0 PU WORLD SCIENTIFIC PUBL CO PTE LTD PI SINGAPORE PA 5 TOH TUCK LINK, SINGAPORE 596224, SINGAPORE SN 0217-751X EI 1793-656X J9 INT J MOD PHYS A JI Int. J. Mod. Phys. A PD DEC 30 PY 2011 VL 26 IS 32 BP 5299 EP 5335 DI 10.1142/S0217751X11054966 PG 37 WC Physics, Nuclear; Physics, Particles & Fields SC Physics GA 868CH UT WOS:000298500800002 ER PT J AU Zhao, B Kaspar, TC Droubay, TC McCloy, J Bowden, ME Shutthanandan, V Heald, SM Chambers, SA AF Zhao, B. Kaspar, T. C. Droubay, T. C. McCloy, J. Bowden, M. E. Shutthanandan, V. Heald, S. M. Chambers, S. A. TI Electrical transport properties of Ti-doped Fe2O3(0001) epitaxial films SO PHYSICAL REVIEW B LA English DT Article ID POLARON HOPPING CONDUCTION; NON-CRYSTALLINE MATERIALS; HEMATITE ALPHA-FE2O3; ELECTRONIC-STRUCTURE; DISORDERED-SYSTEMS; METAL-OXIDES; THIN-FILMS; TEMPERATURE; TRANSITION; PRESSURE AB The electrical transport properties for compositionally and structurally well-defined epitaxial alpha-(TixFe1-x)(2)O-3(0001) films have been investigated for x <= 0.09. All films were grown by oxygen plasma-assisted molecular beam epitaxy using two different growth rates: 0.05-0.06 angstrom/s and 0.22-0.24 angstrom/s. Despite no detectable difference in cation valence and structural properties, films grown at the lower rate were highly resistive whereas those grown at the higher rate were semiconducting (rho = similar to 1 Omega . cm at 25 degrees C). Hall effect measurements reveal carrier concentrations between 10(19) and 10(20) cm(-3) at room temperature and mobilities in the range of 0.1 to 0.6 cm(2)/V . s for films grown at the higher rate. The conduction mechanism transitions from small-polaron hopping at higher temperatures to variable-range hopping at a transition temperature between 180 and 140 K. The absence of conductivity in the slow-grown films is attributed to donor electron compensation by cation vacancies, which may form to a greater extent at the lower rate because of higher oxygen fugacity at the growth front. C1 [Zhao, B.; Kaspar, T. C.; Droubay, T. C.; Chambers, S. A.] Pacific NW Natl Lab, Fundamental & Computat Sci Directorate, Richland, WA 99352 USA. [Zhao, B.] Univ Washington, Dept Chem, Seattle, WA 98195 USA. [McCloy, J.] Pacific NW Natl Lab, Energy & Environm Directorate, Richland, WA 99352 USA. [Bowden, M. E.; Shutthanandan, V.] Pacific NW Natl Lab, Environm Mol Sci Lab, Richland, WA 99352 USA. [Heald, S. M.] Argonne Natl Lab, Adv Photon Source, Argonne, IL 60439 USA. RP Zhao, B (reprint author), Pacific NW Natl Lab, Fundamental & Computat Sci Directorate, Richland, WA 99352 USA. EM tiffany.kaspar@pnnl.gov RI McCloy, John/D-3630-2013; Droubay, Tim/D-5395-2016 OI McCloy, John/0000-0001-7476-7771; Droubay, Tim/0000-0002-8821-0322 FU Office of Science, Division of Materials Sciences and Engineering, US Department of Energy (US DOE); Office of Biological and Environmental Research of the US DOE; US National Science Foundation [CHE 0628252-CRC]; US DOE [DE-AC02-06CH11357] FX B.Z. acknowledges fruitful discussions with Kevin Rosso, Cigdem Capan, Shawn Chatman, and Liang Qiao. B. Z. (4 months), T. C. K., T. C. D., J.M., M. E. B, V. S, and S. A. C. were supported by the Office of Science, Division of Materials Sciences and Engineering, US Department of Energy (US DOE). This work was performed in the Environmental Molecular Sciences Laboratory, a national scientific user facility sponsored by the Office of Biological and Environmental Research of the US DOE and located at Pacific Northwest National Laboratory. B. Z. (18 months) was supported by the US National Science Foundation (CHE 0628252-CRC). Use of the Advanced Photon Source, an Office of Science User Facility operated for the US DOE Office of Science by Argonne National Laboratory, was supported by the US DOE under Contract No. DE-AC02-06CH11357. NR 50 TC 41 Z9 41 U1 7 U2 71 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1098-0121 J9 PHYS REV B JI Phys. Rev. B PD DEC 30 PY 2011 VL 84 IS 24 AR 245325 DI 10.1103/PhysRevB.84.245325 PG 9 WC Physics, Condensed Matter SC Physics GA 869ZW UT WOS:000298639900003 ER PT J AU Abreu, P Aglietta, M Ahn, EJ Albuquerque, IFM Allard, D Allekotte, I Allen, J Allison, P Castillo, JA Alvarez-Muniz, J Ambrosio, M Aminaei, A Anchordoqui, L Andringa, S Anticic, T Anzalone, A Aramo, C Arganda, E Arqueros, F Asorey, H Assis, P Aublin, J Ave, M Avenier, M Avila, G Backer, T Balzer, M Barber, KB Barbosa, AF Bardenet, R Barroso, SLC Baughman, B Bauml, J Beatty, JJ Becker, BR Becker, KH Belletoile, A Bellido, JA BenZvi, S Berat, C Bertou, X Biermann, PL Billoir, P Blanco, F Blanco, M Bleve, C Blumer, H Bohacova, M Boncioli, D Bonifazi, C Bonino, R Borodai, N Brack, J Brogueira, P Brown, WC Bruijn, R Buchholz, P Bueno, A Burton, RE Caballero-Mora, KS Caramete, L Caruso, R Castellina, A Catalano, O Cataldi, G Cazon, L Cester, R Chauvin, J Cheng, SH Chiavassa, A Chinellato, JA Chou, A Chudoba, J Clay, RW Coluccia, MR Conceicao, R Contreras, F Cook, H Cooper, MJ Coppens, J Cordier, A Coutu, S Covault, CE Creusot, A Criss, A Cronin, J Curutiu, A Dagoret-Campagne, S Dallier, R Dasso, S Daumiller, K Dawson, BR de Almeida, RM De Domenico, M De Donato, C de Jong, SJ De la Vega, G de Mello, WJM Neto, JRTD De Mitri, I de Souza, V de Vries, KD Decerprit, G del Peral, L del Rio, M Deligny, O Dembinski, H Dhital, N Di Giulio, C Diaz, JC Castro, MLD Diep, PN Dobrigkeit, C Docters, W D'Olivo, JC Dong, PN Dorofeev, A dos Anjos, JC Dova, MT D'Urso, D Dutan, I Ebr, J Engel, R Erdmann, M Escobar, CO Espadanal, J Etchegoyen, A San Luis, PF Tapia, IF Falcke, H Farrar, G Fauth, AC Fazzini, N Ferguson, AP Ferrero, A Fick, B Filevich, A Filipcic, A Fliescher, S Fracchiolla, CE Fraenkel, ED Frohlich, U Fuchs, B Gaior, R Gamarra, RF Gambetta, S Garcia, B Gamez, DG Garcia-Pinto, D Gascon, A Gemmeke, H Gesterling, K Ghia, PL Giaccari, U Giller, M Glass, H Gold, MS Golup, G Albarracin, FG Berisso, MG Goncalves, P Gonzalez, D Gonzalez, JG Gookin, B Gora, D Gorgi, A Gouffon, P Gozzini, SR Grashorn, E Grebe, S Griffith, N Grigat, M Grillo, AF Guardincerri, Y Guarino, F Guedes, GP Guzman, A Hague, JD Hansen, P Harari, D Harmsma, S Harrison, TA Harton, JL Haungs, A Hebbeker, T Heck, D Herve, AE Hojvat, C Hollon, N Holmes, VC Homola, P Horandel, JR Horneffer, A Horvath, P Hrabovsky, M Huege, T Insolia, A Ionita, F Italiano, A Jarne, C Jiraskova, S Josebachuili, M Kadija, K Kampert, KH Karhan, P Kasper, P Kegl, B Keilhauer, B Keivani, A Kelley, JL Kemp, E Kieckhafer, RM Klages, HO Kleifges, M Kleinfeller, J Knapp, J Koang, DH Kotera, K Krohm, N Kromer, O Kruppke-Hansen, D Kuehn, F Kuempel, D Kulbartz, JK Kunka, N Rosa, G Lachaud, C Lautridou, P Leao, MSAB Lebrun, D Lebrun, P de Oliveira, MAL Lemiere, A Letessier-Selvon, A Lhenry-Yvon, I Link, K Lopez, R Aguera, AL Louedec, K Bahilo, JL Lu, L Lucero, A Ludwig, M Lyberis, H Maccarone, MC Macolino, C Maldera, S Mandat, D Mantsch, P Mariazzi, AG Marin, J Marin, V Maris, IC Falcon, HRM Marsella, G Martello, D Martin, L Martinez, H Bravo, OM Mathes, HJ Matthews, J Matthews, JAJ Matthiae, G Maurizio, D Mazur, PO Medina-Tanco, G Melissas, M Melo, D Menichetti, E Menshikov, A Mertsch, P Meurer, C Micanovic, S Micheletti, MI Miller, W Miramonti, L Molina-Bueno, L Mollerach, S Monasor, M Ragaigne, DM Montanet, F Morales, B Morello, C Moreno, E Moreno, JC Morris, C Mostafa, M Moura, CA Mueller, S Muller, MA Muller, G Munchmeyer, M Mussa, R Navarra, G Navarro, JL Navas, S Necesal, P Nellen, L Nelles, A Neuser, J Newton, D Nhung, PT Niemietz, L Nierstenhoefer, N Nitz, D Nosek, D Nozka, L Nyklicek, M Oehlschlager, J Olinto, A Oliva, P Olmos-Gilbaja, VM Ortiz, M Pacheco, N Selmi-Dei, DP Palatka, M Pallotta, J Palmieri, N Parente, G Parizot, E Parra, A Parsons, RD Pastor, S Paul, T Pech, M Pekala, J Pelayo, R Pepe, IM Perrone, L Pesce, R Petermann, E Petrera, S Petrinca, P Petrolini, A Petrov, Y Petrovic, J Pfendner, C Phan, N Piegaia, R Pierog, T Pieroni, P Pimenta, M Pirronello, V Platino, M Ponce, VH Pontz, M Privitera, P Prouza, M Quel, EJ Querchfeld, S Rautenberg, J Ravel, O Ravignani, D Revenu, B Ridky, J Riggi, S Risse, M Ristori, P Rivera, H Rizi, V Roberts, J Robledo, C de Carvalho, WR Rodriguez, G Martino, JR Rojo, JR Rodriguez-Cabo, I Rodriguez-Frias, MD Ros, G Rosado, J Rossler, T Roth, M Rouille-d'Orfeuil, B Roulet, E Rovero, AC Ruhle, C Salamida, F Salazar, H Greus, FS Salina, G Sanchez, F Santo, CE Santos, E Santos, EM Sarazin, F Sarkar, B Sarkar, S Sato, R Scharf, N Scherini, V Schieler, H Schiffer, P Schmidt, A Schmidt, F Scholten, O Schoorlemmer, H Schovancova, J Schovanek, P Schroder, F Schulte, S Schuster, D Sciutto, SJ Scuderi, M Segreto, A Settimo, M Shadkam, A Shellard, RC Sidelnik, I Sigl, G Lopez, HHS Smialkowski, A Smida, R Snow, GR Sommers, P Sorokin, J Spinka, H Squartini, R Stanic, S Stapleton, J Stasielak, J Stephan, M Strazzeri, E Stutz, A Suarez, F Suomijarvi, T Supanitsky, AD Susa, T Sutherland, MS Swain, J Szadkowski, Z Szuba, M Tamashiro, A Tapia, A Tartare, M Tascau, O Ruiz, CGT Tcaciuc, R Tegolo, D Thao, NT Thomas, D Tiffenberg, J Timmermans, C Tiwari, DK Tkaczyk, W Peixoto, CJT Tome, B Tonachini, A Travnicek, P Tridapalli, DB Tristram, G Trovato, E Tueros, M Ulrich, R Unger, M Urban, M Galicia, JFV Valino, I Valore, L van den Berg, AM Varela, E Cardenas, BV Vazquez, JR Vazquez, RA Veberic, D Verzi, V Vicha, J Videla, M Villasenor, L Wahlberg, H Wahrlich, P Wainberg, O Walz, D Warner, D Watson, AA Weber, M Weidenhaupt, K Weindl, A Westerhoff, S Whelan, BJ Wieczorek, G Wiencke, L Wilczynska, B Wilczynski, H Will, M Williams, C Winchen, T Winnick, MG Wommer, M Wundheiler, B Yamamoto, T Yapici, T Younk, P Yuan, G Yushkov, A Zamorano, B Zas, E Zavrtanik, D Zavrtanik, M Zaw, I Zepeda, A Silva, MZ Ziolkowski, M AF Abreu, P. Aglietta, M. Ahn, E. J. Albuquerque, I. F. M. Allard, D. Allekotte, I. Allen, J. Allison, P. Alvarez Castillo, J. Alvarez-Muniz, J. Ambrosio, M. Aminaei, A. Anchordoqui, L. Andringa, S. Anticic, T. Anzalone, A. Aramo, C. Arganda, E. Arqueros, F. Asorey, H. Assis, P. Aublin, J. Ave, M. Avenier, M. Avila, G. Baecker, T. Balzer, M. Barber, K. B. Barbosa, A. F. Bardenet, R. Barroso, S. L. C. Baughman, B. Baeuml, J. Beatty, J. J. Becker, B. R. Becker, K. H. Belletoile, A. Bellido, J. A. BenZvi, S. Berat, C. Bertou, X. Biermann, P. L. Billoir, P. Blanco, F. Blanco, M. Bleve, C. Bluemer, H. Bohacova, M. Boncioli, D. Bonifazi, C. Bonino, R. Borodai, N. Brack, J. Brogueira, P. Brown, W. C. Bruijn, R. Buchholz, P. Bueno, A. Burton, R. E. Caballero-Mora, K. S. Caramete, L. Caruso, R. Castellina, A. Catalano, O. Cataldi, G. Cazon, L. Cester, R. Chauvin, J. Cheng, S. H. Chiavassa, A. Chinellato, J. A. Chou, A. Chudoba, J. Clay, R. W. Coluccia, M. R. Conceicao, R. Contreras, F. Cook, H. Cooper, M. J. Coppens, J. Cordier, A. Coutu, S. Covault, C. E. Creusot, A. Criss, A. Cronin, J. Curutiu, A. Dagoret-Campagne, S. Dallier, R. Dasso, S. Daumiller, K. Dawson, B. R. de Almeida, R. M. De Domenico, M. De Donato, C. de Jong, S. J. De la Vega, G. de Mello Junior, W. J. M. de Mello Neto, J. R. T. De Mitri, I. de Souza, V. de Vries, K. D. Decerprit, G. del Peral, L. del Rio, M. Deligny, O. Dembinski, H. Dhital, N. Di Giulio, C. Diaz, J. C. Diaz Castro, M. L. Diep, P. N. Dobrigkeit, C. Docters, W. D'Olivo, J. C. Dong, P. N. Dorofeev, A. dos Anjos, J. C. Dova, M. T. D'Urso, D. Dutan, I. Ebr, J. Engel, R. Erdmann, M. Escobar, C. O. Espadanal, J. Etchegoyen, A. San Luis, P. Facal Fajardo Tapia, I. Falcke, H. Farrar, G. Fauth, A. C. Fazzini, N. Ferguson, A. P. Ferrero, A. Fick, B. Filevich, A. Filipcic, A. Fliescher, S. Fracchiolla, C. E. Fraenkel, E. D. Froehlich, U. Fuchs, B. Gaior, R. Gamarra, R. F. Gambetta, S. Garcia, B. Gamez, D. Garcia Garcia-Pinto, D. Gascon, A. Gemmeke, H. Gesterling, K. Ghia, P. L. Giaccari, U. Giller, M. Glass, H. Gold, M. S. Golup, G. Gomez Albarracin, F. Gomez Berisso, M. Goncalves, P. Gonzalez, D. Gonzalez, J. G. Gookin, B. Gora, D. Gorgi, A. Gouffon, P. Gozzini, S. R. Grashorn, E. Grebe, S. Griffith, N. Grigat, M. Grillo, A. F. Guardincerri, Y. Guarino, F. Guedes, G. P. Guzman, A. Hague, J. D. Hansen, P. Harari, D. Harmsma, S. Harrison, T. A. Harton, J. L. Haungs, A. Hebbeker, T. Heck, D. Herve, A. E. Hojvat, C. Hollon, N. Holmes, V. C. Homola, P. Hoerandel, J. R. Horneffer, A. Horvath, P. Hrabovsky, M. Huege, T. Insolia, A. Ionita, F. Italiano, A. Jarne, C. Jiraskova, S. Josebachuili, M. Kadija, K. Kampert, K. H. Karhan, P. Kasper, P. Kegl, B. Keilhauer, B. Keivani, A. Kelley, J. L. Kemp, E. Kieckhafer, R. M. Klages, H. O. Kleifges, M. Kleinfeller, J. Knapp, J. Koang, D-H Kotera, K. Krohm, N. Kroemer, O. Kruppke-Hansen, D. Kuehn, F. Kuempel, D. Kulbartz, J. K. Kunka, N. Rosa, G. Lachaud, C. Lautridou, P. Leao, M. S. A. B. Lebrun, D. Lebrun, P. Leigui de Oliveira, M. A. Lemiere, A. Letessier-Selvon, A. Lhenry-Yvon, I. Link, K. Lopez, R. Lopez Agueera, A. Louedec, K. Lozano Bahilo, J. Lu, L. Lucero, A. Ludwig, M. Lyberis, H. Maccarone, M. C. Macolino, C. Maldera, S. Mandat, D. Mantsch, P. Mariazzi, A. G. Marin, J. Marin, V. Maris, I. C. Marquez Falcon, H. R. Marsella, G. Martello, D. Martin, L. Martinez, H. Martinez Bravo, O. Mathes, H. J. Matthews, J. Matthews, J. A. J. Matthiae, G. Maurizio, D. Mazur, P. O. Medina-Tanco, G. Melissas, M. Melo, D. Menichetti, E. Menshikov, A. Mertsch, P. Meurer, C. Micanovic, S. Micheletti, M. I. Miller, W. Miramonti, L. Molina-Bueno, L. Mollerach, S. Monasor, M. Ragaigne, D. Monnier Montanet, F. Morales, B. Morello, C. Moreno, E. Moreno, J. C. Morris, C. Mostafa, M. Moura, C. A. Mueller, S. Muller, M. A. Mueller, G. Muenchmeyer, M. Mussa, R. Navarra, G. Navarro, J. L. Navas, S. Necesal, P. Nellen, L. Nelles, A. Neuser, J. Newton, D. Nhung, P. T. Niemietz, L. Nierstenhoefer, N. Nitz, D. Nosek, D. Nozka, L. Nyklicek, M. Oehlschlaeger, J. Olinto, A. Oliva, P. Olmos-Gilbaja, V. M. Ortiz, M. Pacheco, N. Pakk Selmi-Dei, D. Palatka, M. Pallotta, J. Palmieri, N. Parente, G. Parizot, E. Parra, A. Parsons, R. D. Pastor, S. Paul, T. Pech, M. Pekala, J. Pelayo, R. Pepe, I. M. Perrone, L. Pesce, R. Petermann, E. Petrera, S. Petrinca, P. Petrolini, A. Petrov, Y. Petrovic, J. Pfendner, C. Phan, N. Piegaia, R. Pierog, T. Pieroni, P. Pimenta, M. Pirronello, V. Platino, M. Ponce, V. H. Pontz, M. Privitera, P. Prouza, M. Quel, E. J. Querchfeld, S. Rautenberg, J. Ravel, O. Ravignani, D. Revenu, B. Ridky, J. Riggi, S. Risse, M. Ristori, P. Rivera, H. Rizi, V. Roberts, J. Robledo, C. Rodrigues de Carvalho, W. Rodriguez, G. Rodriguez Martino, J. Rodriguez Rojo, J. Rodriguez-Cabo, I. Rodriguez-Frias, M. D. Ros, G. Rosado, J. Rossler, T. Roth, M. Rouille-d'Orfeuil, B. Roulet, E. Rovero, A. C. Ruehle, C. Salamida, F. Salazar, H. Greus, F. Salesa Salina, G. Sanchez, F. Santo, C. E. Santos, E. Santos, E. M. Sarazin, F. Sarkar, B. Sarkar, S. Sato, R. Scharf, N. Scherini, V. Schieler, H. Schiffer, P. Schmidt, A. Schmidt, F. Scholten, O. Schoorlemmer, H. Schovancova, J. Schovanek, P. Schroeder, F. Schulte, S. Schuster, D. Sciutto, S. J. Scuderi, M. Segreto, A. Settimo, M. Shadkam, A. Shellard, R. C. Sidelnik, I. Sigl, G. Silva Lopez, H. H. Smialkowski, A. Smida, R. Snow, G. R. Sommers, P. Sorokin, J. Spinka, H. Squartini, R. Stanic, S. Stapleton, J. Stasielak, J. Stephan, M. Strazzeri, E. Stutz, A. Suarez, F. Suomijaervi, T. Supanitsky, A. D. Susa, T. Sutherland, M. S. Swain, J. Szadkowski, Z. Szuba, M. Tamashiro, A. Tapia, A. Tartare, M. Tascau, O. Tavera Ruiz, C. G. Tcaciuc, R. Tegolo, D. Thao, N. T. Thomas, D. Tiffenberg, J. Timmermans, C. Tiwari, D. K. Tkaczyk, W. Todero Peixoto, C. J. Tome, B. Tonachini, A. Travnicek, P. Tridapalli, D. B. Tristram, G. Trovato, E. Tueros, M. Ulrich, R. Unger, M. Urban, M. Valdes Galicia, J. F. Valino, I. Valore, L. van den Berg, A. M. Varela, E. Vargas Cardenas, B. Vazquez, J. R. Vazquez, R. A. Veberic, D. Verzi, V. Vicha, J. Videla, M. Villasenor, L. Wahlberg, H. Wahrlich, P. Wainberg, O. Walz, D. Warner, D. Watson, A. A. Weber, M. Weidenhaupt, K. Weindl, A. Westerhoff, S. Whelan, B. J. Wieczorek, G. Wiencke, L. Wilczynska, B. Wilczynski, H. Will, M. Williams, C. Winchen, T. Winnick, M. G. Wommer, M. Wundheiler, B. Yamamoto, T. Yapici, T. Younk, P. Yuan, G. Yushkov, A. Zamorano, B. Zas, E. Zavrtanik, D. Zavrtanik, M. Zaw, I. Zepeda, A. Zimbres Silva, M. Ziolkowski, M. CA Pierre Auger Collaboration TI Search for ultrahigh energy neutrinos in highly inclined events at the Pierre Auger Observatory SO PHYSICAL REVIEW D LA English DT Article ID EXTENSIVE AIR-SHOWERS; COSMIC-RAYS; UPPER LIMIT; SURFACE DETECTOR; PHOTON FRACTION; FERMI-LAT; FLUX; PERFORMANCE; TELESCOPE; ORIGIN AB The Surface Detector of the Pierre Auger Observatory is sensitive to neutrinos of all flavors above 0.1 EeV. These interact through charged and neutral currents in the atmosphere giving rise to extensive air showers. When interacting deeply in the atmosphere at nearly horizontal incidence, neutrinos can be distinguished from regular hadronic cosmic rays by the broad time structure of their shower signals in the water-Cherenkov detectors. In this paper we present for the first time an analysis based on down-going neutrinos. We describe the search procedure, the possible sources of background, the method to compute the exposure and the associated systematic uncertainties. No candidate neutrinos have been found in data collected from 1 January 2004 to 31 May 2010. Assuming an E-2 differential energy spectrum the limit on the single-flavor neutrino is E(2)dN/dE < 1.74 x 10(-7)GeVcm(-2)s(-1)sr(-1) at 90% C.L. in the energy range 1 x 10(17) eV < E < 1 x 10(20)eV. C1 [Abreu, P.; Andringa, S.; Assis, P.; Brogueira, P.; Cazon, L.; Conceicao, R.; Espadanal, J.; Goncalves, P.; Navarra, G.; Pimenta, M.; Santo, C. E.; Santos, E.; Tome, B.] Univ Tecn Lisboa, LIP, Lisbon, Portugal. [Abreu, P.; Andringa, S.; Assis, P.; Brogueira, P.; Cazon, L.; Conceicao, R.; Espadanal, J.; Goncalves, P.; Navarra, G.; Pimenta, M.; Santo, C. E.; Santos, E.; Tome, B.] Univ Tecn Lisboa, Inst Super Tecn, Lisbon, Portugal. [Aglietta, M.; Bonino, R.; Castellina, A.; Chiavassa, A.; Ghia, P. L.; Gorgi, A.; Lucero, A.; Maldera, S.; Marin, J.; Morello, C.] Univ Turin, Ist Fis Spazio Interplanetario INAF, Turin, Italy. [Aglietta, M.; Bonino, R.; Castellina, A.; Chiavassa, A.; Ghia, P. L.; Gorgi, A.; Lucero, A.; Maldera, S.; Marin, J.; Morello, C.] Sezione Ist Nazl Fis Nucl, Turin, Italy. [Ahn, E. J.; Chou, A.; Fazzini, N.; Glass, H.; Hojvat, C.; Kasper, P.; Kuehn, F.; Lebrun, P.; Mantsch, P.; Mazur, P. O.; Spinka, H.] Fermilab Natl Accelerator Lab, Batavia, IL USA. [Albuquerque, I. F. M.; Gouffon, P.; Tridapalli, D. B.] Univ Sao Paulo, Inst Fis, BR-01498 Sao Paulo, Brazil. [Allard, D.; Creusot, A.; Decerprit, G.; Lachaud, C.; Parizot, E.; Tristram, G.] Univ Paris 07, CNRS, IN2P3, Lab AstroParticule & Cosmol APC, Paris, France. [Allekotte, I.; Asorey, H.; Bertou, X.; Golup, G.; Gomez Berisso, M.; Harari, D.; Mollerach, S.; Ponce, V. H.; Roulet, E.] Ctr Atom Bariloche, San Carlos De Bariloche, Rio Negro, Argentina. [Allekotte, I.; Asorey, H.; Bertou, X.; Golup, G.; Gomez Berisso, M.; Harari, D.; Mollerach, S.; Ponce, V. H.; Roulet, E.] Inst Balseiro CNEA UNCuyo CONICET, San Carlos De Bariloche, Rio Negro, Argentina. [Allen, J.; Farrar, G.; Roberts, J.; Zaw, I.] NYU, New York, NY USA. [Allison, P.; Baughman, B.; Beatty, J. J.; Grashorn, E.; Griffith, N.; Morris, C.; Stapleton, J.; Sutherland, M. S.] Ohio State Univ, Columbus, OH 43210 USA. [Alvarez Castillo, J.; De Donato, C.; D'Olivo, J. C.; Fajardo Tapia, I.; Guzman, A.; Medina-Tanco, G.; Morales, B.; Nellen, L.; Silva Lopez, H. H.; Supanitsky, A. D.; Tavera Ruiz, C. G.; Valdes Galicia, J. F.; Vargas Cardenas, B.] Univ Nacl Autonoma Mexico, Mexico City 04510, DF, Mexico. [Alvarez-Muniz, J.; Lopez Agueera, A.; Olmos-Gilbaja, V. M.; Parente, G.; Parra, A.; Pelayo, R.; Riggi, S.; Rodriguez, G.; Rodriguez-Cabo, I.; Tueros, M.; Valino, I.; Vazquez, R. A.; Yushkov, A.; Zas, E.] Univ Santiago de Compostela, Santiago De Compostela, Spain. [Ambrosio, M.; Aramo, C.; D'Urso, D.; Guarino, F.; Moura, C. A.; Valore, L.; Yushkov, A.] Univ Naples Federico II, Naples, Italy. [Ambrosio, M.; Aramo, C.; D'Urso, D.; Guarino, F.; Moura, C. A.; Valore, L.; Yushkov, A.] Sezione Ist Nazl Fis Nucl, Naples, Italy. [Aminaei, A.; Coppens, J.; de Jong, S. J.; Falcke, H.; Grebe, S.; Hoerandel, J. R.; Horneffer, A.; Jiraskova, S.; Kelley, J. L.; Nelles, A.; Schoorlemmer, H.; Timmermans, C.] Radboud Univ Nijmegen, IMAPP, Nijmegen, Netherlands. [Anchordoqui, L.] Univ Wisconsin, Milwaukee, WI 53201 USA. [Anticic, T.; Kadija, K.; Micanovic, S.; Susa, T.] Rudjer Boskovic Inst, Zagreb 10000, Croatia. [Anzalone, A.; Catalano, O.; Rosa, G.; Maccarone, M. C.; Segreto, A.; Strazzeri, E.] Ist Astrofis Spaziale & Fis Cosm Palermo INAF, Palermo, Italy. [Arganda, E.; Arqueros, F.; Blanco, F.; Garcia-Pinto, D.; Ortiz, M.; Rosado, J.; Vazquez, J. R.] Univ Complutense Madrid, Madrid, Spain. [Aublin, J.; Billoir, P.; Bonifazi, C.; Gaior, R.; Ghia, P. L.; Letessier-Selvon, A.; Macolino, C.; Maris, I. C.; Muenchmeyer, M.] Univ Paris 06, CNRS, IN2P3, LPNHE, Paris, France. [Aublin, J.; Billoir, P.; Bonifazi, C.; Gaior, R.; Ghia, P. L.; Letessier-Selvon, A.; Macolino, C.; Maris, I. C.; Muenchmeyer, M.] Univ Paris 07, CNRS, IN2P3, LPNHE, Paris, France. [Ave, M.; Bluemer, H.; Dembinski, H.; Gonzalez, D.; Gonzalez, J. G.; Gora, D.; Link, K.; Ludwig, M.; Melissas, M.; Palmieri, N.] Karlsruhe Inst Technol, Inst Expt Kernphys IEKP, Karlsruhe, Germany. [Avenier, M.; Berat, C.; Chauvin, J.; Koang, D-H; Lebrun, D.; Montanet, F.; Stutz, A.; Tartare, M.] Univ Grenoble 1, CNRS, IN2P3, INPG,LPSC, Grenoble, France. [Avila, G.] Pierre Auger So Observ, Malargue, Argentina. [Avila, G.] Comis Nacl Energia Atom, Malargue, Argentina. [Baecker, T.; Buchholz, P.; Froehlich, U.; Pontz, M.; Risse, M.; Settimo, M.; Tcaciuc, R.; Younk, P.; Ziolkowski, M.] Univ Siegen, Siegen, Germany. [Balzer, M.; Gemmeke, H.; Kleifges, M.; Kroemer, O.; Kunka, N.; Menshikov, A.; Ruehle, C.; Schmidt, A.; Weber, M.] Karlsruhe Inst Technol, Inst Prozessdatenverarbeitung & Elekt, Karlsruhe, Germany. [Barber, K. B.; Bellido, J. A.; Clay, R. W.; Cooper, M. J.; Dawson, B. R.; Harrison, T. A.; Herve, A. E.; Holmes, V. C.; Sorokin, J.; Wahrlich, P.; Whelan, B. J.; Winnick, M. G.] Univ Adelaide, Adelaide, SA, Australia. [Barbosa, A. F.; dos Anjos, J. C.; Fuchs, B.; Shellard, R. C.] Ctr Brasileiro Pesquisas Fis, Rio De Janeiro, Brazil. [Bardenet, R.; Cordier, A.; Dagoret-Campagne, S.; Gamez, D. Garcia; Kegl, B.; Louedec, K.; Ragaigne, D. Monnier; Urban, M.] Univ Paris 11, CNRS, IN2P3, LAL, F-91405 Orsay, France. [Barroso, S. L. C.] Univ Estadual Sudoeste Bahia, Vitoria da Conquista, BA, Brazil. [Baeuml, J.; Bluemer, H.; Daumiller, K.; Engel, R.; Haungs, A.; Heck, D.; Huege, T.; Keilhauer, B.; Klages, H. O.; Kleinfeller, J.; Mathes, H. J.; Mueller, S.; Oehlschlaeger, J.; Pierog, T.; Roth, M.; Salamida, F.; Schieler, H.; Schroeder, F.; Smida, R.; Szuba, M.; Ulrich, R.; Unger, M.; Valino, I.; Weindl, A.; Will, M.; Wommer, M.] Karlsruhe Inst Technol, Inst Kernphys, Karlsruhe, Germany. [Becker, B. R.; Gesterling, K.; Gold, M. S.; Hague, J. D.; Matthews, J. A. J.; Miller, W.; Phan, N.] Univ New Mexico, Albuquerque, NM 87131 USA. [Becker, K. H.; Bleve, C.; Kampert, K. H.; Krohm, N.; Kruppke-Hansen, D.; Kuempel, D.; Neuser, J.; Niemietz, L.; Nierstenhoefer, N.; Oliva, P.; Querchfeld, S.; Rautenberg, J.; Sarkar, B.; Szadkowski, Z.; Tascau, O.; Zimbres Silva, M.] Berg Univ Wuppertal, Wuppertal, Germany. [Belletoile, A.; Dallier, R.; Lautridou, P.; Marin, V.; Martin, L.; Ravel, O.; Revenu, B.] Univ Nantes, CNRS, IN2P3, Ecole Mines Nantes,SUBATECH, Nantes, France. [BenZvi, S.; Pfendner, C.; Westerhoff, S.] Univ Wisconsin, Madison, WI USA. [Biermann, P. L.; Caramete, L.; Curutiu, A.; Dutan, I.] Max Planck Inst Radioastron, Bonn, Germany. [Blanco, M.; del Peral, L.; Pacheco, N.; Rodriguez-Frias, M. D.; Ros, G.] Univ Alcala De Henares, Alcala De Henares, Madrid, Spain. [Bohacova, M.; Chudoba, J.; Ebr, J.; Hrabovsky, M.; Mandat, D.; Necesal, P.; Nozka, L.; Nyklicek, M.; Palatka, M.; Pech, M.; Prouza, M.; Ridky, J.; Schovancova, J.; Schovanek, P.; Smida, R.; Travnicek, P.; Vicha, J.] Acad Sci Czech Republic, Inst Phys, Prague, Czech Republic. [Boncioli, D.; del Rio, M.; Di Giulio, C.; Matthiae, G.; Petrinca, P.; Salina, G.; Verzi, V.] Univ Roma Tor Vergata, I-00173 Rome, Italy. [Boncioli, D.; del Rio, M.; Di Giulio, C.; Matthiae, G.; Petrinca, P.; Salina, G.; Verzi, V.] Sezione Ist Nazl Fis Nucl, Rome, Italy. [Bonifazi, C.; de Mello Neto, J. R. T.; Santos, E. M.] Univ Fed Rio de Janeiro, Inst Fis, Rio De Janeiro, Brazil. [Borodai, N.; Gora, D.; Homola, P.; Pekala, J.; Stasielak, J.; Wilczynska, B.; Wilczynski, H.] Inst Nucl Phys PAN, Krakow, Poland. [Brack, J.; Dorofeev, A.; Fracchiolla, C. E.; Gookin, B.; Harton, J. L.; Mostafa, M.; Petrov, Y.; Greus, F. Salesa; Thomas, D.; Warner, D.] Colorado State Univ, Ft Collins, CO 80523 USA. [Brown, W. C.] Colorado State Univ, Pueblo, CO USA. [Bruijn, R.; Cook, H.; Gozzini, S. R.; Knapp, J.; Lu, L.; Newton, D.; Parsons, R. D.; Watson, A. A.] Univ Leeds, Sch Phys & Astron, Leeds LS2 9JT, W Yorkshire, England. [Bueno, A.; Gamez, D. Garcia; Gascon, A.; Lozano Bahilo, J.; Molina-Bueno, L.; Navarro, J. L.; Navas, S.; Zamorano, B.] Univ Granada, Granada, Spain. [Bueno, A.; Gamez, D. Garcia; Gascon, A.; Lozano Bahilo, J.; Molina-Bueno, L.; Navarro, J. L.; Navas, S.; Zamorano, B.] CAFPE, Granada, Spain. [Burton, R. E.; Covault, C. E.; Ferguson, A. P.] Case Western Reserve Univ, Cleveland, OH 44106 USA. [Caballero-Mora, K. S.; Cheng, S. H.; Coutu, S.; Criss, A.; Sommers, P.; Ulrich, R.] Penn State Univ, University Pk, PA 16802 USA. [Caruso, R.; De Domenico, M.; Insolia, A.; Italiano, A.; Pirronello, V.; Riggi, S.; Scuderi, M.; Tegolo, D.; Trovato, E.] Univ Catania, Catania, Italy. [Caruso, R.; De Domenico, M.; Insolia, A.; Italiano, A.; Pirronello, V.; Riggi, S.; Scuderi, M.; Tegolo, D.; Trovato, E.] Sezione Ist Nazl Fis Nucl, Catania, Italy. [Cataldi, G.; Coluccia, M. R.; De Mitri, I.; Giaccari, U.; Martello, D.] Univ Salento, Dipartimento Fis, Lecce, Italy. [Cataldi, G.; Coluccia, M. R.; De Mitri, I.; Giaccari, U.; Martello, D.] Sezione Ist Nazl Fis Nucl, Lecce, Italy. [Cester, R.; Maurizio, D.; Melo, D.; Menichetti, E.; Mussa, R.; Tonachini, A.] Univ Turin, Turin, Italy. [Cester, R.; Maurizio, D.; Melo, D.; Menichetti, E.; Mussa, R.; Tonachini, A.] Sezione Ist Nazl Fis Nucl, Turin, Italy. [Chinellato, J. A.; de Mello Junior, W. J. M.; Dobrigkeit, C.; Escobar, C. O.; Fauth, A. C.; Kemp, E.; Muller, M. A.; Pakk Selmi-Dei, D.; Zimbres Silva, M.] Univ Estadual Campinas, IFGW, Campinas, SP, Brazil. [Contreras, F.; del Rio, M.; Marin, J.; Rodriguez Martino, J.; Rodriguez Rojo, J.; Sato, R.; Squartini, R.] Pierre Auger So Observ, Malargue, Argentina. [Coppens, J.; de Jong, S. J.; Grebe, S.; Harmsma, S.; Nelles, A.; Petrovic, J.; Schoorlemmer, H.; Timmermans, C.] Nikhef, Amsterdam, Netherlands. [Creusot, A.; Filipcic, A.; Stanic, S.; Veberic, D.; Zavrtanik, D.; Zavrtanik, M.] Univ Nova Gorica, Lab Astroparticle Phys, Nova Gorica, Slovenia. [Cronin, J.; San Luis, P. Facal; Hollon, N.; Ionita, F.; Kotera, K.; Monasor, M.; Olinto, A.; Privitera, P.; Rouille-d'Orfeuil, B.; Schmidt, F.; Williams, C.; Yamamoto, T.] Univ Chicago, Enrico Fermi Inst, Chicago, IL 60637 USA. [Dasso, S.; Rovero, A. C.; Supanitsky, A. D.; Tamashiro, A.] CONICET UBA, Inst Astron & Fis Espacio, Buenos Aires, DF, Argentina. [Dasso, S.; Guardincerri, Y.; Piegaia, R.; Pieroni, P.; Tiffenberg, J.; Tueros, M.] Univ Buenos Aires, FCEyN, Dept Fis, RA-1053 Buenos Aires, DF, Argentina. [Dasso, S.; Guardincerri, Y.; Pallotta, J.; Piegaia, R.; Pieroni, P.; Quel, E. J.; Ristori, P.; Tiffenberg, J.; Tueros, M.] Consejo Nacl Invest Cient & Tecn, RA-1033 Buenos Aires, DF, Argentina. [de Almeida, R. M.] Univ Fed Fluminense, EEIMVR, Volta Redonda, RJ, Brazil. [De Donato, C.; Miramonti, L.; Rivera, H.; Scherini, V.] Univ Milan, Milan, Italy. [De Donato, C.; Miramonti, L.; Rivera, H.; Scherini, V.] Sezione Ist Nazl Fis Nucl, Milan, Italy. [De la Vega, G.; Garcia, B.; Videla, M.] Natl Technol Univ, Fac Mendoza CONICET CNEA, Mendoza, Argentina. [de Souza, V.; Todero Peixoto, C. J.] Univ Sao Paulo, Inst Fis, Sao Carlos, SP, Brazil. [de Vries, K. D.; Docters, W.; Fraenkel, E. D.; Harmsma, S.; Scholten, O.; van den Berg, A. M.] Univ Groningen, Kernfys Versneller Inst, Groningen, Netherlands. [Deligny, O.; Dong, P. N.; Lemiere, A.; Lhenry-Yvon, I.; Lyberis, H.; Suomijaervi, T.] Univ Paris 11, CNRS, IN2P3, IPNO, F-91405 Orsay, France. [Dhital, N.; Diaz, J. C.; Fick, B.; Kieckhafer, R. M.; Nitz, D.; Yapici, T.] Michigan Technol Univ, Houghton, MI 49931 USA. [Di Giulio, C.; Petrera, S.; Rizi, V.; Salamida, F.] Univ Aquila, I-67100 Laquila, Italy. [Di Giulio, C.; Petrera, S.; Rizi, V.; Salamida, F.] Ist Nazl Fis Nucl, Laquila, Italy. [Diaz Castro, M. L.; Shellard, R. C.] Pontificia Univ Catolica Rio de Janeiro, Rio De Janeiro, Brazil. [Diep, P. N.; Dong, P. N.; Nhung, P. T.; Thao, N. T.] INST, Hanoi, Vietnam. [Dova, M. T.; Gomez Albarracin, F.; Hansen, P.; Jarne, C.; Mariazzi, A. G.; Moreno, J. C.; Sciutto, S. J.; Wahlberg, H.] Univ Nacl La Plata, IFLP, La Plata, Buenos Aires, Argentina. [Dova, M. T.; Gomez Albarracin, F.; Hansen, P.; Jarne, C.; Mariazzi, A. G.; Moreno, J. C.; Sciutto, S. J.; Wahlberg, H.] Consejo Nacl Invest Cient & Tecn, La Plata, Buenos Aires, Argentina. [Erdmann, M.; Fliescher, S.; Grigat, M.; Hebbeker, T.; Meurer, C.; Mueller, G.; Scharf, N.; Schiffer, P.; Schulte, S.; Stephan, M.; Walz, D.; Weidenhaupt, K.; Winchen, T.] Rhein Westfal TH Aachen, Phys Inst A 3, Aachen, Germany. [Etchegoyen, A.; Ferrero, A.; Filevich, A.; Gamarra, R. F.; Josebachuili, M.; Lucero, A.; Melo, D.; Platino, M.; Ravignani, D.; Sanchez, F.; Sidelnik, I.; Suarez, F.; Tapia, A.; Wainberg, O.; Wundheiler, B.] UTN FRBA, CONICET, Comis Nacl Energia Atom, Ctr Atom Constituyentes, Buenos Aires, DF, Argentina. [Falcke, H.] ASTRON, Dwingeloo, Netherlands. [Filipcic, A.; Veberic, D.; Zavrtanik, D.; Zavrtanik, M.] J Stefan Inst, Ljubljana, Slovenia. [Gambetta, S.; Pesce, R.; Petrolini, A.] Univ Genoa, Dipartimento Fis, Genoa, Italy. [Gambetta, S.; Pesce, R.; Petrolini, A.] Ist Nazl Fis Nucl, I-16146 Genoa, Italy. [Giller, M.; Smialkowski, A.; Szadkowski, Z.; Tkaczyk, W.; Wieczorek, G.] Univ Lodz, PL-90131 Lodz, Poland. [Grillo, A. F.] Ist Nazl Fis Nucl, Lab Nazl Gran Sasso, Laquila, Italy. [Guedes, G. P.] Univ Estadual Feira de Santana, Feira De Santana, Brazil. [Horvath, P.; Hrabovsky, M.; Rossler, T.] Palacky Univ, RCATM, CR-77147 Olomouc, Czech Republic. [Karhan, P.; Nosek, D.] Charles Univ Prague, Fac Math & Phys, Inst Particle & Nucl Phys, Prague, Czech Republic. [Keivani, A.; Matthews, J.; Shadkam, A.; Sutherland, M. S.; Yuan, G.] Louisiana State Univ, Baton Rouge, LA 70803 USA. [Kulbartz, J. K.; Sigl, G.] Univ Hamburg, Hamburg, Germany. [Leao, M. S. A. B.; Leigui de Oliveira, M. A.; Moura, C. A.; Todero Peixoto, C. J.] Univ Fed ABC, Santo Andre, SP, Brazil. [Lopez, R.; Martinez Bravo, O.; Moreno, E.; Robledo, C.; Salazar, H.; Varela, E.] Benemerita Univ Autonoma Puebla, Puebla, Mexico. [Marquez Falcon, H. R.; Tiwari, D. K.; Villasenor, L.] Univ Michoacana, Morelia, Michoacan, Mexico. [Marsella, G.; Perrone, L.] Univ Salento, Dipartimento Ingn Innovaz, Lecce, Italy. [Marsella, G.; Perrone, L.] Sezione Ist Nazl Fis Nucl, Lecce, Italy. [Martinez, H.; Zepeda, A.] CINVESTAV, IPN, Ctr Invest & Estudios Avanzados, Mexico City 14000, DF, Mexico. [Matthews, J.] Southern Univ, Baton Rouge, LA USA. [Mertsch, P.; Sarkar, S.] Univ Oxford, Rudolf Peierls Ctr Theoret Phys, Oxford, England. [Micheletti, M. I.] CONICET UNR, Inst Fis Rosario IFIR, Rosario, Santa Fe, Argentina. [Micheletti, M. I.] Fac Ciencias Bioquim & Farmaceut UNR, Rosario, Santa Fe, Argentina. [Pastor, S.] Univ Valencia, CSIC, Inst Fis Corpuscular, Valencia, Spain. [Paul, T.; Swain, J.] Northeastern Univ, Boston, MA 02115 USA. [Pepe, I. M.] Univ Fed Bahia, Salvador, BA, Brazil. [Petermann, E.; Snow, G. R.] Univ Nebraska, Lincoln, NE USA. [Sarazin, F.; Schuster, D.; Wiencke, L.] Colorado Sch Mines, Golden, CO 80401 USA. [Spinka, H.] Argonne Natl Lab, Argonne, IL 60439 USA. [Tegolo, D.] Univ Palermo, Catania, Italy. [Tegolo, D.] Sezione Ist Nazl Fis Nucl, Catania, Italy. RP Abreu, P (reprint author), Univ Tecn Lisboa, LIP, Lisbon, Portugal. RI Brogueira, Pedro/K-3868-2012; Chinellato, Jose Augusto/I-7972-2012; Yushkov, Alexey/A-6958-2013; Falcke, Heino/H-5262-2012; Ebr, Jan/H-8319-2012; Anjos, Joao/C-8335-2013; Nierstenhofer, Nils/H-3699-2013; Pakk Selmi-Dei, Daniel/H-2675-2013; Goncalves, Patricia /D-8229-2013; Moura, Celio/K-5672-2013; Prouza, Michael/F-8514-2014; Mandat, Dusan/G-5580-2014; Albuquerque, Ivone/H-4645-2012; Muller, Marcio Aparecido/H-9112-2012; D'Urso, Domenico/I-5325-2012; Chiavassa, Andrea/A-7597-2012; Verzi, Valerio/B-1149-2012; Chinellato, Carola Dobrigkeit /F-2540-2011; Fauth, Anderson/F-9570-2012; de souza, Vitor/D-1381-2012; Shellard, Ronald/G-4825-2012; Caramete, Laurentiu/C-2328-2011; Petrolini, Alessandro/H-3782-2011; Bleve, Carla/J-2521-2012; Todero Peixoto, Carlos Jose/G-3873-2012; Bonino, Raffaella/S-2367-2016; Rodriguez Frias, Maria /A-7608-2015; Oliva, Pietro/K-5915-2015; Inst. of Physics, Gleb Wataghin/A-9780-2017; De Mitri, Ivan/C-1728-2017; Rodriguez Fernandez, Gonzalo/C-1432-2014; Nosek, Dalibor/F-1129-2017; Gouffon, Philippe/I-4549-2012; de Almeida, Rogerio/L-4584-2016; De Domenico, Manlio/B-5826-2014; Abreu, Pedro/L-2220-2014; Navas, Sergio/N-4649-2014; Assis, Pedro/D-9062-2013; Arqueros, Fernando/K-9460-2014; Blanco, Francisco/F-1131-2015; Conceicao, Ruben/L-2971-2014; Beatty, James/D-9310-2011; Sao Carlos Institute of Physics, IFSC/USP/M-2664-2016; Guarino, Fausto/I-3166-2012; Valino, Ines/J-8324-2012; Carvalho Jr., Washington/H-9855-2015; De Donato, Cinzia/J-9132-2015; Vazquez, Jose Ramon/K-2272-2015; Martello, Daniele/J-3131-2012; Insolia, Antonio/M-3447-2015; de Mello Neto, Joao/C-5822-2013; Lozano-Bahilo, Julio/F-4881-2016; scuderi, mario/O-7019-2014; zas, enrique/I-5556-2015; Sarkar, Subir/G-5978-2011; Moura Santos, Edivaldo/K-5313-2016; Pastor, Sergio/J-6902-2014; Tome, Bernardo/J-4410-2013; Espirito Santo, Maria Catarina/L-2341-2014; Pimenta, Mario/M-1741-2013; Ros, German/L-4764-2014; Di Giulio, Claudio/B-3319-2015; Bueno, Antonio/F-3875-2015; Parente, Gonzalo/G-8264-2015; dos Santos, Eva/N-6351-2013; Alvarez-Muniz, Jaime/H-1857-2015; Rosado, Jaime/K-9109-2014; Bohacova, Martina/G-5898-2014; Nozka, Libor/G-5550-2014; Cazon, Lorenzo/G-6921-2014; Schovanek, Petr/G-7117-2014; Vicha, Jakub/G-8440-2014; Travnicek, Petr/G-8814-2014; Smida, Radomir/G-6314-2014; Ridky, Jan/H-6184-2014; Chudoba, Jiri/G-7737-2014; Horvath, Pavel/G-6334-2014; Pech, Miroslav/G-5760-2014; Garcia Pinto, Diego/J-6724-2014 OI Del Peral, Luis/0000-0003-2580-5668; Coutu, Stephane/0000-0003-2923-2246; Rizi, Vincenzo/0000-0002-5277-6527; Mussa, Roberto/0000-0002-0294-9071; Garcia, Beatriz/0000-0003-0919-2734; Tiwari, Dhirendra Kumar/0000-0002-6754-3398; Mertsch, Philipp/0000-0002-2197-3421; Petrera, Sergio/0000-0002-6029-1255; Bonino, Raffaella/0000-0002-4264-1215; Brogueira, Pedro/0000-0001-6069-4073; Chinellato, Jose Augusto/0000-0002-3240-6270; Falcke, Heino/0000-0002-2526-6724; Ebr, Jan/0000-0001-8807-6162; Goncalves, Patricia /0000-0003-2042-3759; Moura, Celio/0000-0001-7991-9025; Prouza, Michael/0000-0002-3238-9597; Albuquerque, Ivone/0000-0001-7328-0136; D'Urso, Domenico/0000-0002-8215-4542; Chinellato, Carola Dobrigkeit /0000-0002-1236-0789; Fauth, Anderson/0000-0001-7239-0288; Shellard, Ronald/0000-0002-2983-1815; Petrolini, Alessandro/0000-0003-0222-7594; Anzalone, Anna/0000-0003-1849-198X; Todero Peixoto, Carlos Jose/0000-0003-3669-8212; Knapp, Johannes/0000-0003-1519-1383; Yuan, Guofeng/0000-0002-1907-8815; Marsella, Giovanni/0000-0002-3152-8874; Asorey, Hernan/0000-0002-4559-8785; Andringa, Sofia/0000-0002-6397-9207; Salamida, Francesco/0000-0002-9306-8447; Catalano, Osvaldo/0000-0002-9554-4128; Aglietta, Marco/0000-0001-8354-5388; Kothandan, Divay/0000-0001-9048-7518; Segreto, Alberto/0000-0001-7341-6603; Maccarone, Maria Concetta/0000-0001-8722-0361; Castellina, Antonella/0000-0002-0045-2467; Ravignani, Diego/0000-0001-7410-8522; Matthews, James/0000-0002-1832-4420; Gomez Berisso, Mariano/0000-0001-5530-0180; Rodriguez Frias, Maria /0000-0002-2550-4462; Oliva, Pietro/0000-0002-3572-3255; De Mitri, Ivan/0000-0002-8665-1730; Rodriguez Fernandez, Gonzalo/0000-0002-4683-230X; Nosek, Dalibor/0000-0001-6219-200X; Aramo, Carla/0000-0002-8412-3846; maldera, simone/0000-0002-0698-4421; Gouffon, Philippe/0000-0001-7511-4115; de Almeida, Rogerio/0000-0003-3104-2724; De Domenico, Manlio/0000-0001-5158-8594; Abreu, Pedro/0000-0002-9973-7314; Navas, Sergio/0000-0003-1688-5758; Assis, Pedro/0000-0001-7765-3606; Arqueros, Fernando/0000-0002-4930-9282; Blanco, Francisco/0000-0003-4332-434X; Conceicao, Ruben/0000-0003-4945-5340; Beatty, James/0000-0003-0481-4952; Guarino, Fausto/0000-0003-1427-9885; Valino, Ines/0000-0001-7823-0154; Carvalho Jr., Washington/0000-0002-2328-7628; De Donato, Cinzia/0000-0002-9725-1281; Vazquez, Jose Ramon/0000-0001-9217-5219; Martello, Daniele/0000-0003-2046-3910; Insolia, Antonio/0000-0002-9040-1566; de Mello Neto, Joao/0000-0002-3234-6634; Lozano-Bahilo, Julio/0000-0003-0613-140X; scuderi, mario/0000-0001-9026-5317; zas, enrique/0000-0002-4430-8117; Sarkar, Subir/0000-0002-3542-858X; Moura Santos, Edivaldo/0000-0002-2818-8813; Tome, Bernardo/0000-0002-7564-8392; Espirito Santo, Maria Catarina/0000-0003-1286-7288; Pimenta, Mario/0000-0002-2590-0908; Ros, German/0000-0001-6623-1483; Di Giulio, Claudio/0000-0002-0597-4547; Bueno, Antonio/0000-0002-7439-4247; Parente, Gonzalo/0000-0003-2847-0461; dos Santos, Eva/0000-0002-0474-8863; Alvarez-Muniz, Jaime/0000-0002-2367-0803; Rosado, Jaime/0000-0001-8208-9480; Cazon, Lorenzo/0000-0001-6748-8395; Ridky, Jan/0000-0001-6697-1393; Horvath, Pavel/0000-0002-6710-5339; Garcia Pinto, Diego/0000-0003-1348-6735 FU Comision Nacional de Energia Atomica; Fundacion Antorchas; Gobierno De La Provincia de Mendoza; Municipalidad de Malargue; NDM Holdings; Valle Las Lenas; Australian Research Council; Conselho Nacional de Desenvolvimento Cientifico e Tecnologico (CNPq); Financiadora de Estudos e Projetos (FINEP); Fundacao de Amparo a Pesquisa do Estado de Rio de Janeiro (FAPERJ); Fundacao de Amparo a Pesquisa do Estado de Sao Paulo (FAPESP); Ministerio de Ciencia e Tecnologia (MCT), Brazil; AVCR [AV0Z10100502, AV0Z10100522, GAAV KJB100100904, MSMT-CR LA08016, LC527, 1M06002, MSM0021620859]; Czech Republic; Centre de Calcul [IN2P3/CNRS]; Centre National de la Recherche Scientifique (CNRS); Conseil Regional Ile-de-France; Departement Physique Nucleaire et Corpusculaire [PNC-IN2P3/CNRS]; Departement Sciences de l'Univers (SDU-INSU/CNRS), France; Bundesministerium fur Bildung und Forschung (BMBF); Deutsche Forschungsgemeinschaft (DFG); Finanzministerium Baden-Wurttemberg; Helmholtz-Gemeinschaft Deutscher Forschungszentren (HGF); Ministerium fur Wissenschaft und Forschung; Nordrhein-Westfalen; Ministerium fur Wissenschaft; Forschung und Kunst; Baden-Wurttemberg, Germany; Istituto Nazionale di Fisica Nucleare (INFN); Ministero dell'Istruzione, dell'Universita e della Ricerca (MIUR), Italy; Consejo Nacional de Ciencia y Tecnologia (CONACYT), Mexico; Ministerie van Onderwijs; Cultuur en Wetenschap; Nederlandse Organisatie voor Wetenschappelijk Onderzoek (NWO); Stichting voor Fundamenteel Onderzoek der Materie (FOM), Netherlands; Ministry of Science and Higher Education, Poland [1 P03 D 014 30, N202 090 31/0623, PAP/218/2006]; Fundacao para a Ciencia e a Tecnologia, Portugal; Ministry for Higher Education, Science, and Technology, Slovenian Research Agency, Slovenia; Comunidad de Madrid, Consejeria de Educacion de la Comunidad de Castilla La Mancha; FEDER; Ministerio de Ciencia e Innovacion and Consolider-Ingenio; Xunta de Galicia, Spain; Science and Technology Facilities Council, United Kingdom; U.S. Department of Energy [DE-AC02-07CH11359, DE-FR02-04ER41300]; National Science Foundation [0450696]; Grainger Foundation USA; ALFA-EC / HELEN; European Union [MEIF-CT-2005-025057, PIEF-GA-2008-220240]; UNESCO FX The successful installation, commissioning and operation of the Pierre Auger Observatory would not have been possible without the strong commitment and effort from the technical and administrative staff in Malargue. We are very grateful to the following agencies and organizations for financial support: Comision Nacional de Energia Atomica, Fundacion Antorchas, Gobierno De La Provincia de Mendoza, Municipalidad de Malargue, NDM Holdings, and Valle Las Lenas, in gratitude for their continuing cooperation over land access, Argentina; the Australian Research Council; Conselho Nacional de Desenvolvimento Cientifico e Tecnologico (CNPq), Financiadora de Estudos e Projetos (FINEP), Fundacao de Amparo a Pesquisa do Estado de Rio de Janeiro (FAPERJ), Fundacao de Amparo a Pesquisa do Estado de Sao Paulo (FAPESP), Ministerio de Ciencia e Tecnologia (MCT), Brazil; AVCR AV0Z10100502 and AV0Z10100522, GAAV KJB100100904, MSMT-CR LA08016, LC527, 1M06002, and MSM0021620859, Czech Republic; Centre de Calcul IN2P3/CNRS, Centre National de la Recherche Scientifique (CNRS), Conseil Regional Ile-de-France, Departement Physique Nucleaire et Corpusculaire (PNC-IN2P3/CNRS), Departement Sciences de l'Univers (SDU-INSU/CNRS), France; Bundesministerium fur Bildung und Forschung (BMBF), Deutsche Forschungsgemeinschaft (DFG), Finanzministerium Baden-Wurttemberg, Helmholtz-Gemeinschaft Deutscher Forschungszentren (HGF), Ministerium fur Wissenschaft und Forschung, Nordrhein-Westfalen, Ministerium fur Wissenschaft, Forschung und Kunst, Baden-Wurttemberg, Germany; Istituto Nazionale di Fisica Nucleare (INFN), Ministero dell'Istruzione, dell'Universita e della Ricerca (MIUR), Italy; Consejo Nacional de Ciencia y Tecnologia (CONACYT), Mexico; Ministerie van Onderwijs, Cultuur en Wetenschap, Nederlandse Organisatie voor Wetenschappelijk Onderzoek (NWO), Stichting voor Fundamenteel Onderzoek der Materie (FOM), Netherlands; Ministry of Science and Higher Education, Grant Nos. 1 P03 D 014 30, N202 090 31/0623, and PAP/218/2006, Poland; Fundacao para a Ciencia e a Tecnologia, Portugal; Ministry for Higher Education, Science, and Technology, Slovenian Research Agency, Slovenia; Comunidad de Madrid, Consejeria de Educacion de la Comunidad de Castilla La Mancha, FEDER funds, Ministerio de Ciencia e Innovacion and Consolider-Ingenio 2010 (CPAN), Xunta de Galicia, Spain; Science and Technology Facilities Council, United Kingdom; U. S. Department of Energy, Contract Nos. DE-AC02-07CH11359, DE-FR02-04ER41300, National Science Foundation, Grant No. 0450696, The Grainger Foundation USA; ALFA-EC / HELEN, European Union 6th Framework Program, Grant No. MEIF-CT-2005-025057, European Union 7th Framework Program, Grant No. PIEF-GA-2008-220240, and UNESCO. NR 70 TC 40 Z9 40 U1 3 U2 44 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 2470-0010 EI 2470-0029 J9 PHYS REV D JI Phys. Rev. D PD DEC 30 PY 2011 VL 84 IS 12 AR 122005 DI 10.1103/PhysRevD.84.122005 PG 16 WC Astronomy & Astrophysics; Physics, Particles & Fields SC Astronomy & Astrophysics; Physics GA 870KC UT WOS:000298667100001 ER PT J AU Alon, R Duchovni, E Perez, G Pranko, AP Sinervo, PK AF Alon, Raz Duchovni, Ehud Perez, Gilad Pranko, Aliaksandr P. Sinervo, Pekka K. TI Data-driven method of pile-up correction for the substructure of massive jets SO PHYSICAL REVIEW D LA English DT Article AB We describe a method to measure and correct for the incoherent component of energy flow arising from multiple interactions from jet shape and substructure observables of massive jets. The correction is a function of the jet-shape variable of interest and not a universal property. Such a correction is expected to reduce biases in the corresponding distributions generated by the presence of multiple interactions and to improve measurement resolution. This data-driven technique is not subject to uncertainties coming from the use of theoretical calculations. Corrections are derived for jet mass, angularity, and planar flow, and are found to be in good agreement with data on massive jets observed by the CDF collaboration. Finally, we comment on the linkage with the concept of jet area and jet mass area. C1 [Alon, Raz; Duchovni, Ehud; Perez, Gilad] Weizmann Inst Sci, Dept Particle Phys & Astrophys, IL-76100 Rehovot, Israel. [Pranko, Aliaksandr P.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA. [Sinervo, Pekka K.] Univ Toronto, Dept Phys, Toronto, ON M5S 1A7, Canada. RP Alon, R (reprint author), Weizmann Inst Sci, Dept Particle Phys & Astrophys, IL-76100 Rehovot, Israel. FU Shrum Foundation at the Weizmann Instiutute of Science; U.S. Department of Energy; Canadian Natural Sciences and Engineering Research Council; Shlomo and Michla Tomarin; Israel Science Foundation [1087/09]; EU-FP7 Marie Curie, IRG, Minerva; German Israeli Foundations; Peter & Patricia Gruber Foundation FX We thank Gavin Salam and Sebastian Sapeta for useful discussions and comments on the manuscript. This work is supported in part by the Shrum Foundation at the Weizmann Instiutute of Science, the U.S. Department of Energy and the Canadian Natural Sciences and Engineering Research Council. We also thank the staff of the Ernest Orlando Lawrence Berkeley and Fermilab National Laboratories, where a part of this work was performed. G. P is suppored by Shlomo and Michla Tomarin and the Israel Science Foundation (Grant No. #1087/09), EU-FP7 Marie Curie, IRG, Minerva, and G.I.F., the German Israeli Foundations, and the Peter & Patricia Gruber Foundation. NR 24 TC 18 Z9 18 U1 0 U2 2 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1550-7998 J9 PHYS REV D JI Phys. Rev. D PD DEC 30 PY 2011 VL 84 IS 11 AR 114025 DI 10.1103/PhysRevD.84.114025 PG 7 WC Astronomy & Astrophysics; Physics, Particles & Fields SC Astronomy & Astrophysics; Physics GA 870BS UT WOS:000298644700002 ER PT J AU Linder, EV AF Linder, Eric V. TI Lensing time delays and cosmological complementarity SO PHYSICAL REVIEW D LA English DT Article ID HUBBLE CONSTANT; DARK ENERGY; CONSTRAINTS; CURVATURE; GALAXIES; TESTS AB Time delays in strong gravitational lensing systems possess significant complementarity with distance measurements to determine the dark energy equation of state, as well as the matter density and Hubble constant. Time delays are most useful when observations permit detailed lens modeling and variability studies, requiring high resolution imaging, long time monitoring, and rapid cadence. We quantify the constraints possible between a sample of 150 such time delay lenses and a near term supernova program, such as might become available from an Antarctic telescope such as the KDUST and the Dark Energy Survey. Adding time delay data to supernovae plus cosmic microwave background information can improve the dark energy figure of merit by almost a factor 5 and determine the matter density Omega(m) to 0.004, the Hubble constant h to 0.7%, and the dark energy equation of state time variation w(a) to 0.26, systematics permitting. C1 [Linder, Eric V.] Berkeley Lab, Berkeley, CA 94720 USA. [Linder, Eric V.] Univ Calif Berkeley, Berkeley, CA 94720 USA. [Linder, Eric V.] Ewha Womans Univ, Inst Early Universe WCU, Seoul, South Korea. RP Linder, EV (reprint author), Berkeley Lab, Berkeley, CA 94720 USA. FU Office of Science, Office of High Energy Physics, of the U.S. Department of Energy [DE-AC02-05CH11231]; World Class University through National Research Foundation, Ministry of Education, Science and Technology of Korea [R32-2009-000-10130-0] FX I gratefully acknowledge Sherry Suyu for helpful discussions, and thank the Niels Bohr International Academy and Dark Cosmology Centre, University of Copenhagen for hospitality during the workshop inspiring this research. This work has been supported in part by the Director, Office of Science, Office of High Energy Physics, of the U.S. Department of Energy under Contract No. DE-AC02-05CH11231 and by World Class University Grant No. R32-2009-000-10130-0 through the National Research Foundation, Ministry of Education, Science and Technology of Korea. NR 35 TC 41 Z9 41 U1 1 U2 2 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 2470-0010 EI 2470-0029 J9 PHYS REV D JI Phys. Rev. D PD DEC 30 PY 2011 VL 84 IS 12 AR 123529 DI 10.1103/PhysRevD.84.123529 PG 6 WC Astronomy & Astrophysics; Physics, Particles & Fields SC Astronomy & Astrophysics; Physics GA 870KC UT WOS:000298667100004 ER PT J AU Ovchinnikova, OS Kertesz, V Van Berkel, GJ AF Ovchinnikova, Olga S. Kertesz, Vilmos Van Berkel, Gary J. TI Combining transmission geometry laser ablation and a non-contact continuous flow surface sampling probe/electrospray emitter for mass spectrometry based chemical imaging SO RAPID COMMUNICATIONS IN MASS SPECTROMETRY LA English DT Article ID DUSTED LATENT FINGERMARKS; THIN-LAYER-CHROMATOGRAPHY; FINGERPRINTS; ANALYTES; PROBE AB This paper describes the coupling of ambient pressure transmission geometry laser ablation with a liquid-phase sample collection into a continuous flow surface sampling probe/electrospray emitter for mass spectrometry based chemical imaging. The flow probe/emitter device was placed in close proximity to the surface to collect the sample plume produced by laser ablation. The sample collected was immediately aspirated into the probe and onto the electrospray emitter, ionized and detected with the mass spectrometer. Freehand drawn ink lines and letters and an inked fingerprint on microscope slides were analyzed. The circular laser ablation area was about 210 mu m in diameter and under the conditions used in these experiments the spatial resolution, as determined by the size of the surface features distinguished in the chemical images, was about 100 mu m. Published in 2011 by John Wiley & Sons, Ltd. C1 [Ovchinnikova, Olga S.; Van Berkel, Gary J.] Oak Ridge Natl Lab, Organ & Biol Mass Spectrometry Grp, Div Chem Sci, Oak Ridge, TN 37831 USA. [Ovchinnikova, Olga S.; Van Berkel, Gary J.] Univ Tennessee, Dept Phys & Astron, Knoxville, TN 37996 USA. [Kertesz, Vilmos] Szechenyi Istvan Univ, Dept Chem & Phys, H-9026 Gyor, Hungary. RP Van Berkel, GJ (reprint author), Oak Ridge Natl Lab, Organ & Biol Mass Spectrometry Grp, Div Chem Sci, Oak Ridge, TN 37831 USA. EM vanberkelgj@ornl.gov RI Kertesz, Vilmos/M-8357-2016 OI Kertesz, Vilmos/0000-0003-0186-5797 FU Division of Chemical Sciences, Geosciences, and Biosciences, Office of Basic Energy Sciences, United States Department of Energy; U.S. Government [DE-AC05-00OR22725] FX This work was supported by the Division of Chemical Sciences, Geosciences, and Biosciences, Office of Basic Energy Sciences, United States Department of Energy. This manuscript has been authored by a contractor of the U.S. Government under contract DE-AC05-00OR22725. Accordingly, the U.S. Government retains a paid-up, nonexclusive, irrevocable, worldwide license to publish or reproduce the published form of this contribution, prepare derivative works, distribute copies to the public, and perform publicly and display publicly, or allow others to do so, for U.S. Government purposes. NR 19 TC 28 Z9 28 U1 1 U2 43 PU WILEY-BLACKWELL PI MALDEN PA COMMERCE PLACE, 350 MAIN ST, MALDEN 02148, MA USA SN 0951-4198 J9 RAPID COMMUN MASS SP JI Rapid Commun. Mass Spectrom. PD DEC 30 PY 2011 VL 25 IS 24 BP 3735 EP 3740 DI 10.1002/rcm.5285 PG 6 WC Biochemical Research Methods; Chemistry, Analytical; Spectroscopy SC Biochemistry & Molecular Biology; Chemistry; Spectroscopy GA 860DX UT WOS:000297930100011 PM 22468331 ER PT J AU Ortega, JM AF Ortega, J. M. TI Non-lethal blast wave interactions with a human head SO COMPUTERS & FLUIDS LA English DT Article DE Blast wave; Shock wave interaction; Traumatic brain injury (TBI) ID TRAUMATIC BRAIN-INJURY; RAT-BRAIN; SHOCK; SIMULATION; DIFFRACTION; CYLINDERS; SPHERE; IRAQ AB Numerical simulations are used to investigate the transient shock physics and loads that arise when a non-lethal blast wave impinges upon an unprotected human head located atop a complete, anatomically-correct body. Two non-lethal, hemispherical blast waves, each of which corresponds to the detonation of a high explosive charge, are considered for configurations in which the body is facing either towards or away from the explosive charge. The shock wave interactions that arise when the blast wave impinges upon the head are characterized and correlated with the resulting transient surface pressures, forces, and moments on the head. The transient forces and moments are compared to those of an analytical model based upon the work of Zaslavskii et al. [J Appl Mech Tech Phys 2001:42(3):533-7]. who derived expressions for the drag force on an arbitrary-shaped body due to the interaction with a weak to moderate strength shock wave. The results of this study indicate that Zaslavskii et al.'s model provides a straightforward means of estimating the transient loads on the head during a non-lethal blast wave interaction.(C) 2011 Elsevier Ltd. All rights reserved. C1 Lawrence Livermore Natl Lab, Livermore, CA 94551 USA. RP Ortega, JM (reprint author), Lawrence Livermore Natl Lab, POB 808,L-090, Livermore, CA 94551 USA. EM ortega17@llnl.gov FU US DOE by LLNL [DE-AC52-07NA27344] FX The author thanks W. Moss and M. King of Lawrence Liver-more National Laboratory (LLNL) for the opportunity to collaborate on the traumatic brain injury research effort at LLNL, J. Hartman for his clinical input on cranio-vertebral biomechanics, D. Maitland for his discussion on shock wave-solid body interactions, J. Rodriguez for her assistance in the background literature survey and in the preparation of the human model geometry, K. Salari for his guidance on the simulations, and W. Small for his helpful feedback in the manuscript preparation. This work was performed under the auspices of the US DOE by LLNL under Contract DE-AC52-07NA27344. LLNL-JRNL-428242. NR 47 TC 3 Z9 3 U1 1 U2 8 PU PERGAMON-ELSEVIER SCIENCE LTD PI OXFORD PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND SN 0045-7930 J9 COMPUT FLUIDS JI Comput. Fluids PD DEC 30 PY 2011 VL 52 BP 92 EP 103 DI 10.1016/j.compfluid.2011.09.002 PG 12 WC Computer Science, Interdisciplinary Applications; Mechanics SC Computer Science; Mechanics GA 852XL UT WOS:000297390700009 ER PT J AU Hoopes, JD Driebe, EM Kelley, E Engelthaler, DM Keim, PS Perelson, AS Rong, L Went, GT Nguyen, JT AF Hoopes, Justin D. Driebe, Elizabeth M. Kelley, Erin Engelthaler, David M. Keim, Paul S. Perelson, Alan S. Rong, Libin Went, Gregory T. Nguyen, Jack T. TI Triple Combination Antiviral Drug (TCAD) Composed of Amantadine, Oseltamivir, and Ribavirin Impedes the Selection of Drug-Resistant Influenza A Virus SO PLOS ONE LA English DT Article ID NEURAMINIDASE INHIBITORS; ANTIRETROVIRAL THERAPY; MUTATION-RATES; UNITED-STATES; H1N1 VIRUS; B VIRUSES; IN-VITRO; INFECTION; EMERGENCE; INDINAVIR AB Widespread resistance among circulating influenza A strains to at least one of the anti-influenza drugs is a major public health concern. A triple combination antiviral drug (TCAD) regimen comprised of amantadine, oseltamivir, and ribavirin has been shown to have synergistic and broad spectrum activity against influenza A strains, including drug resistant strains. Here, we used mathematical modeling along with three different experimental approaches to understand the effects of single agents, double combinations, and the TCAD regimen on resistance in influenza in vitro, including: 1) serial passage at constant drug concentrations, 2) serial passage at escalating drug concentrations, and 3) evaluation of the contribution of each component of the TCAD regimen to the suppression of resistance. Consistent with the modeling which demonstrated that three drugs were required to suppress the emergence of resistance in influenza A, treatment with the TCAD regimen resulted in the sustained suppression of drug resistant viruses, whereas treatment with amantadine alone or the amantadine-oseltamivir double combination led to the rapid selection of resistant variants which comprised,100% of the population. Furthermore, the TCAD regimen imposed a high genetic barrier to resistance, requiring multiple mutations in order to escape the effects of all the drugs in the regimen. Finally, we demonstrate that each drug in the TCAD regimen made a significant contribution to the suppression of virus breakthrough and resistance at clinically achievable concentrations. Taken together, these data demonstrate that the TCAD regimen was superior to double combinations and single agents at suppressing resistance, and that three drugs at a minimum were required to impede the selection of drug resistant variants in influenza A virus. The use of mathematical modeling with multiple experimental designs and molecular readouts to evaluate and optimize combination drug regimens for the suppression of resistance may be broadly applicable to other infectious diseases. C1 [Hoopes, Justin D.; Went, Gregory T.; Nguyen, Jack T.] Adamas Pharmaceut Inc, Emeryville, CA 94608 USA. [Driebe, Elizabeth M.; Kelley, Erin; Engelthaler, David M.; Keim, Paul S.] Translat Genom Res Inst, Flagstaff, AZ USA. [Perelson, Alan S.] Los Alamos Natl Lab, Los Alamos, NM USA. [Rong, Libin] Oakland Univ, Rochester, MI USA. RP Nguyen, JT (reprint author), Adamas Pharmaceut Inc, Emeryville, CA 94608 USA. EM jnguyen@adamaspharma.com FU U.S. Department of Energy [DE-AC52-06NA25396]; National Institutes of Health [N01-AI-050020, RR006555, P30-EB011339]; Los Alamos LDRD; National Science Foundation [NSF PHY05-51164] FX Portions of this work were done under the auspices of the U.S. Department of Energy under contract DE-AC52-06NA25396 and supported in part by National Institutes of Health grants N01-AI-050020, RR006555, P30-EB011339, the Los Alamos LDRD Program and by the National Science Foundation under Grant No. NSF PHY05-51164 (ASP). The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript. These studies were also funded by Adamas Pharmaceuticals, who through the employment of JDH, GTW, and JTN were involved in the design, data collection and analysis, decision to publish, and preparation of the manuscript. No additional external funding received for this study. NR 43 TC 22 Z9 23 U1 1 U2 9 PU PUBLIC LIBRARY SCIENCE PI SAN FRANCISCO PA 185 BERRY ST, STE 1300, SAN FRANCISCO, CA 94107 USA SN 1932-6203 J9 PLOS ONE JI PLoS One PD DEC 29 PY 2011 VL 6 IS 12 AR e29778 DI 10.1371/journal.pone.0029778 PG 13 WC Multidisciplinary Sciences SC Science & Technology - Other Topics GA 897SP UT WOS:000300677000061 PM 22220216 ER PT J AU Lee, SJ Schlesinger, PH Wickline, SA Lanza, GM Baker, NA AF Lee, Sun-Joo Schlesinger, Paul H. Wickline, Samuel A. Lanza, Gregory M. Baker, Nathan A. TI Interaction of Melittin Peptides with Perfluorocarbon Nanoemulsion Particles SO JOURNAL OF PHYSICAL CHEMISTRY B LA English DT Article ID MOLECULAR-DYNAMICS SIMULATIONS; PORE FORMATION; DRUG-DELIVERY; MEMBRANE; MECHANISM; BILAYER; SUBSTITUTES; INTERFACE; PROTEINS; CELLS AB Melittin, an antimicrobial peptide, forms pores in biological membranes and triggers cell death. Therefore, it has potential as an anticancer therapy. However, until recently, the therapeutic application of melittin has been impractical because a suitable platform for delivery was not available. Recently, we showed that phospholipid-stabilized perfluorooctyl bromide based nanoemulsion particles (PFOB-NEPs) were resistant to destruction by melittin and enabled specific delivery of melittin to tumor cells, killing them and reducing tumor growth. Earlier, prior work also showed that melittin adsorbed onto the stabilizing phospholipid monolayer of PFOB-NEP but did not disrupt the phospholipid monolayer or produce "cracking" of the PFOB-NEPs. The present work identifies the important structural motifs for melittin binding to PFOB-NEPs through a series of atomistic molecular dynamics simulations. The conformational ensemble of melittin bound to PFOB-NEP lipid monolayer was compared to structure from a control simulation of melittin bound to a lipid bilayer to identify several differences in melittin-lipid interactions between the two systems. First, melittin was deeply buried in the hydrophobic tail region of bilayer, while its depth was attenuated in the PFOB-NEP monolayer. Second, a helical conformation was the major secondary structure in the bilayer, but the fraction of helix was reduced in the PFOB-NEP. Finally, the overall pattern for the direct interaction of melittin with surrounding lipids was similar between liposome and PFOB-NEP, but the level of interaction was slightly decreased in the PFOB-NEP. These results suggest that melittin interacts with the monolayer of PFOB-NEP in a way that is similar way to its interaction with bilayers but that deeper penetration into the hydrophobic interior is inhibited. C1 [Baker, Nathan A.] Pacific NW Natl Lab, Richland, WA 99336 USA. [Lee, Sun-Joo] Washington Univ, Dept Biochem & Mol Biophys, Ctr Computat Biol, St Louis, MO 63130 USA. [Schlesinger, Paul H.] Washington Univ, Dept Cell Biol & Physiol, St Louis, MO 63130 USA. [Wickline, Samuel A.; Lanza, Gregory M.] Washington Univ, Dept Med, St Louis, MO 63130 USA. RP Baker, NA (reprint author), Pacific NW Natl Lab, Richland, WA 99336 USA. EM nathan.baker@pnl.gov RI Schlesinger, Paul/C-6049-2012; Baker, Nathan/A-8605-2010 OI Baker, Nathan/0000-0002-5892-6506 FU NIH [R01 GM069702, U54 CA11934205, U01 NS073457-01]; Texas Advanced Computing Center [TG-MCB060053, TG-MCA08X003] FX The authors thank Cornelia Brim for her help in the preparation of this manuscript. This work was sponsored by NIH grant R01 GM069702 to NAB, NIH grant U54 CA11934205 to S.A.W., N.A.B., and G.M.L., and NIH grant U01 NS073457-01 to N.A.B. and G.M.L. Computational resources were provided by the Texas Advanced Computing Center through Teragrid Grants TG-MCB060053 and TG-MCA08X003 as well as the National Biomedical Computation Resource (NIH P41 RR0860516). NR 52 TC 7 Z9 9 U1 1 U2 36 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 1520-6106 J9 J PHYS CHEM B JI J. Phys. Chem. B PD DEC 29 PY 2011 VL 115 IS 51 BP 15271 EP 15279 DI 10.1021/jp209543c PG 9 WC Chemistry, Physical SC Chemistry GA 864CN UT WOS:000298214700016 PM 22050303 ER PT J AU Gomes, DEB Lins, RD Pascutti, PG Lei, CH Soares, TA AF Gomes, Diego E. B. Lins, Roberto D. Pascutti, Pedro G. Lei, Chenghong Soares, Thereza A. TI Conformational Variability of Organophosphorus Hydrolase upon Soman and Paraoxon Binding SO JOURNAL OF PHYSICAL CHEMISTRY B LA English DT Article ID ACTIVE-SITE RESIDUES; GROMOS FORCE-FIELD; X-RAY STRUCTURES; BACTERIAL PHOSPHOTRIESTERASE; PSEUDOMONAS-DIMINUTA; NERVE AGENTS; DIHYDROFOLATE-REDUCTASE; MOLECULAR-DYNAMICS; CHEMICAL WARFARE; HYDROLYSIS AB The bacterial enzyme organophosphorus hydrolase (OPH) exhibits both catalytic and substrate promiscuity. It hydrolyzes bonds in a variety of phosphotriester (P-O), phosphonothioate (P-S), phospho-fluoridate (P-F), and phosphonocyanate (F-CN) compounds. However, its catalytic efficiency varies markedly for different substrates, limiting the broad-range application of OPH as catalyst in the bioremediation of pesticides and chemical war agents. In the present study, pK(a) calculations and multiple explicit-solvent molecular dynamics (MD) simulations were performed to characterize and contrast the structural dynamics of OPH bound to two substrates hydrolyzed with very distinct catalytic efficiencies: the nerve agent soman (O-pinacolylmethylphosphonofluoridate) and the pesticide paraoxon (diethyl p-nitrophenyl phosphate). pKa calculations for the substrate-bound and unbound enzyme showed a significant pK(a) shift from standard values (Delta pK(a) = +/- 3 units) for residues His254 and Arg275. MD simulations of protonated His254 revealed a dynamic hydrogen bond network connecting the catalytic residue Asp301 via His254 to Asp232, Asp233, Arg275, and Asp235, and is consistent with a previously postulated proton relay mechanism to ferry protons away from the active site with substrates that do not require activation of the leaving group. Hydrogen bonds between Asp301 and His254 were persistent in the OPH-paraoxon complex but not in the OPH-soman one, suggesting a potential role for such interaction in the more efficient hydrolysis of paraoxon over soman by OPH. These results are in line with previous mutational studies of residue His254, which led to an increase of the catalytic efficiency of OPH over soman yet decreased its efficiency for paraoxon. In addition, comparative analysis of the molecular trajectories for OPH bound to soman and paraoxon suggests that binding of the latter facilitates the conformational transition of OPH from the open to the closed substate promoting a tighter binding of paraoxon. C1 [Lins, Roberto D.; Soares, Thereza A.] Univ Fed Pernambuco, Dept Quim Fundamental, BR-50740540 Recife, PE, Brazil. [Gomes, Diego E. B.; Pascutti, Pedro G.] Univ Fed Rio de Janeiro, Inst Biofis Carlos Chagas Filho, BR-21949900 Rio De Janeiro, Brazil. [Lei, Chenghong] Pacific NW Natl Lab, Richland, WA 99352 USA. RP Soares, TA (reprint author), Univ Fed Pernambuco, Dept Quim Fundamental, BR-50740540 Recife, PE, Brazil. EM thereza.soares@ufpe.br RI Lins, Roberto/J-7511-2012; Soares, Thereza/G-1065-2010; Inbeb, Inct/K-2317-2013 OI Lins, Roberto/0000-0002-3983-8025; Soares, Thereza/0000-0002-5891-6906; FU Brazilian National Council for Research and Development (CNPq); FACEPE; INCT/INAMI; nBioNet; National Institute of General Medical Sciences [R01GM080987] FX This work was supported by the Brazilian National Council for Research and Development (CNPq), FACEPE, INCT/INAMI, nBioNet, and the National Institute of General Medical Sciences (grant no. R01GM080987). Computational resources were provided by the Environmental Molecular Sciences Laboratory at Pacific Northwest National Laboratory. Pacific Northwest National Laboratory is operated for DOE by Battelle. NR 69 TC 4 Z9 4 U1 0 U2 21 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 1520-6106 J9 J PHYS CHEM B JI J. Phys. Chem. B PD DEC 29 PY 2011 VL 115 IS 51 BP 15389 EP 15398 DI 10.1021/Jp208787g PG 10 WC Chemistry, Physical SC Chemistry GA 864CN UT WOS:000298214700029 PM 22098575 ER PT J AU Baber, SM Lin, QL Zou, GF Haberkorn, N Baily, SA Wang, HY Bi, ZX Yang, H Deng, SG Hawley, ME Civale, L Bauer, E McCleskey, TM Burrell, AK Jia, QX Luo, HM AF Baber, Stacy M. Lin, Qianglu Zou, Guifu Haberkorn, Nestor Baily, Scott A. Wang, Haiyan Bi, Zhenxing Yang, Hao Deng, Shuguang Hawley, Marilyn E. Civale, Leonardo Bauer, Eve McCleskey, T. Mark Burrell, Anthony K. Jia, Quanxi Luo, Hongmei TI Magnetic Properties of Self-Assembled Epitaxial Nanocomposite CoFe2O4:SrTiO3 and CoFe2O4:MgO Films SO JOURNAL OF PHYSICAL CHEMISTRY C LA English DT Article ID POLYMER-ASSISTED DEPOSITION; FERRITE THIN-FILMS; COBALT FERRITE; ANISOTROPY; SUBSTRATE; GROWTH; NANOSTRUCTURES; BEHAVIOR AB Self-assembled epitaxial nanocomposite CoFe2O4:SrTiO3 and CoFe2O4:MgO thin films were grown on LaAlO3 substrates by a chemical solution approach of polymer-assisted deposition. X-ray diffraction and transmission electron microscopy analyses indicated that both phases in the composites were epitaxial with respect to the major axes of the substrate. Compared to the single-phase ferrimagnetic spinel CoFe2O4 films and the bilayer CoFe2O4/SrTiO3 and CoFe2O4/MgO films, the composite films exhibited reduced coercivity and enhanced magnetic anisotropy. C1 [Zou, Guifu; Haberkorn, Nestor; Baily, Scott A.; Hawley, Marilyn E.; Civale, Leonardo; Bauer, Eve; McCleskey, T. Mark; Burrell, Anthony K.; Jia, Quanxi] Los Alamos Natl Lab, Mat Phys & Applicat Div, Los Alamos, NM 87545 USA. [Baber, Stacy M.; Lin, Qianglu; Deng, Shuguang; Luo, Hongmei] New Mexico State Univ, Dept Chem Engn, Las Cruces, NM 88003 USA. [Wang, Haiyan; Bi, Zhenxing] Texas A&M Univ, Dept Elect & Comp Engn, College Stn, TX 77843 USA. [Yang, Hao] Soochow Univ, Sch Phys Sci & Technol, Jiangsu Key Lab Thin Films, Suzhou 215006, Peoples R China. RP Jia, QX (reprint author), Los Alamos Natl Lab, Mat Phys & Applicat Div, POB 1663, Los Alamos, NM 87545 USA. EM qxjia@lanl.gov; hluo@nmsu.edu RI ZOU, GUIFU/C-8498-2011; Deng, Shuguang/G-5926-2011; McCleskey, Thomas/J-4772-2012; Jia, Q. X./C-5194-2008; Wang, Haiyan/P-3550-2014; OI Deng, Shuguang/0000-0003-2892-3504; Wang, Haiyan/0000-0002-7397-1209; Civale, Leonardo/0000-0003-0806-3113; Mccleskey, Thomas/0000-0003-3750-3245 FU NSF/CMMI [NSF 1131290]; NMSU; NSF/DMR [NSF 0709831, 1007969]; Los Alamos National Laboratory LDRD; U.S. Department of Energy, Office of Basic Energy Sciences [DE-AC52-06NA25396, DE-AC04-94AL85000] FX H.L. gratefully thanks the support from the NSF/CMMI NanoManufacturing Program (NSF 1131290) and Interdisciplinary Research Grant (IRG) from NMSU. H.W. acknowledges the support from the NSF/DMR Ceramic Program (NSF 0709831 and 1007969). This work was performed, in part, at the Center for Integrated Nanotechnologies, a U.S. Department of Energy, Office of Basic Energy Sciences user facility at Los Alamos National Laboratory (contract DE-AC52-06NA25396) and Sandia National Laboratories (contract DE-AC04-94AL85000). We also acknowledge the support from the Los Alamos National Laboratory LDRD Program. NR 40 TC 7 Z9 7 U1 3 U2 58 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 1932-7447 J9 J PHYS CHEM C JI J. Phys. Chem. C PD DEC 29 PY 2011 VL 115 IS 51 BP 25338 EP 25342 DI 10.1021/jp2068232 PG 5 WC Chemistry, Physical; Nanoscience & Nanotechnology; Materials Science, Multidisciplinary SC Chemistry; Science & Technology - Other Topics; Materials Science GA 864CO UT WOS:000298214800019 ER PT J AU Wu, ZL Rondinone, AJ Ivanov, IN Overbury, SH AF Wu, Zili Rondinone, Adam J. Ivanov, Ilia N. Overbury, Steven H. TI Structure of Vanadium Oxide Supported on Ceria by Multiwavelength Raman Spectroscopy SO JOURNAL OF PHYSICAL CHEMISTRY C LA English DT Article ID DIFFUSE-REFLECTANCE SPECTROSCOPY; TEMPERATURE CO OXIDATION; PROBING DEFECT SITES; SOLID-STATE REACTION; MOLECULAR-STRUCTURES; CATALYTIC-PROPERTIES; V/THETA-AL2O3 CATALYSTS; AU/SIO2 CATALYST; SURFACE; DEHYDROGENATION AB The structure of vanadium oxide species supported on ceria (VO(x)/CeO(2)) was investigated under various conditions by in situ multi-wavelength Raman spectroscopy, IR spectroscopy, isotopic labeling, and temperature-programmed reduction (TPR). For the first time, the detailed structure of dehydrated VO(x) species was revealed on the polycrystalline ceria support. VO(x) species can coexist on ceria surface in the structure of 1 monomer, dimer, trimer, polymer, crystalline V(2)O(5), and CeVO(4) as a function of VO(x) loading. These species interact strongly with both the defect sites and labile surface oxygen of ceria, passivating the redox property of ceria. Under ambient condition, the dispersed VO(x) species are hydrated into polyvanadate species that can be reversibly dehydrated back to the original structure forms. The ceria support with defect sites facilitates the interaction between water (H(2)(18)O) and V(16)O(x) species, leading to very facile isotopic oxygen exchange between the two even at room temperature. During H(2) reduction, both the VO(x) species and the ceria support can be reduced with ceria surface being more reducible. The reducibility of various dispersed VO(x) species scales with their polymerization degree, that is, polymer > trimer > dimer > monomer. The reoxidation of reduced VO(x) species is found to proceed via ceria lattice oxygen instead of the gas phase oxygen where ceria acts as an oxygen buffer. The revealed structure evolution of surface VO(x) species on ceria under hydrated, dehydrated, reduced, and regenerated conditions provides a basis for understanding the vanadia-ceria catalysis. C1 [Wu, Zili; Rondinone, Adam J.; Ivanov, Ilia N.; Overbury, Steven H.] Oak Ridge Natl Lab, Ctr Nanophase Mat Sci, Oak Ridge, TN 37831 USA. RP Wu, ZL (reprint author), Oak Ridge Natl Lab, Ctr Nanophase Mat Sci, Oak Ridge, TN 37831 USA. EM wuz1@ornl.gov RI Wu, Zili/F-5905-2012; ivanov, ilia/D-3402-2015; Rondinone, Adam/F-6489-2013; Overbury, Steven/C-5108-2016 OI Wu, Zili/0000-0002-4468-3240; ivanov, ilia/0000-0002-6726-2502; Rondinone, Adam/0000-0003-0020-4612; Overbury, Steven/0000-0002-5137-3961 FU Center for Nanophase Materials Sciences (CNMS); Oak Ridge National Laboratory by Office of Basic Energy Sciences, U.S. Department of Energy FX This research was supported by the Center for Nanophase Materials Sciences (CNMS), which is sponsored at Oak Ridge National Laboratory by Office of Basic Energy Sciences, U.S. Department of Energy. NR 62 TC 27 Z9 27 U1 3 U2 52 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 1932-7447 J9 J PHYS CHEM C JI J. Phys. Chem. C PD DEC 29 PY 2011 VL 115 IS 51 BP 25368 EP 25378 DI 10.1021/jp2084605 PG 11 WC Chemistry, Physical; Nanoscience & Nanotechnology; Materials Science, Multidisciplinary SC Chemistry; Science & Technology - Other Topics; Materials Science GA 864CO UT WOS:000298214800023 ER PT J AU Zhang, ZC Lu, J Assary, RS Du, P Wang, HH Sun, YK Qin, Y Lau, KC Greeley, J Redfern, PC Iddir, H Curtiss, LA Amine, K AF Zhang, Zhengcheng Lu, Jun Assary, Rajeev S. Du, Peng Wang, Hsien-Hau Sun, Yang-Kook Qin, Yan Lau, Kah Chun Greeley, Jeffrey Redfern, Paul C. Iddir, Hakim Curtiss, Larry A. Amine, Khalil TI Increased Stability Toward Oxygen Reduction Products for Lithium-Air Batteries with Oligoether-Functionalized Silane Electrolytes SO JOURNAL OF PHYSICAL CHEMISTRY C LA English DT Article ID ETHER-BASED ELECTROLYTES; CARBONATE ELECTROLYTES; POLYMER ELECTROLYTES; PROPYLENE CARBONATE; ION BATTERIES; LIMITATIONS; DISCHARGE; ETHYLENE; CELLS AB The successful development of Li-air batteries would significantly increase the possibility of extending the range of electric vehicles. There is much evidence that typical organic carbonate based electrolytes used in lithium ion batteries form lithium carbonates from reaction with oxygen reduction products during discharge in lithium-air cells so more stable electrolytes need to be found. This combined experimental and computational study of an electrolyte based on a tri(ethylene glycol)-substituted trimethylsilane (1NM3) provides evidence that the ethers are more stable toward oxygen reduction discharge species. X-ray photoelectron spectroscopy (XPS) and FTIR experiments show that only lithium oxides and no carbonates are formed when 1NM3 electrolyte is used. In contrast XPS shows that propylene carbonate (PC) in the same cell configuration decomposes to form lithium carbonates during discharge. Density functional calculations of probable decomposition reaction pathways involving solvated oxygen reduction species confirm that oligoether substituted silanes, as well as other ethers, are more stable to the oxygen reduction products than propylene carbonate. These results indicate that the choice of electrolyte plays a key role in the performance of Li-air batteries. C1 [Assary, Rajeev S.; Wang, Hsien-Hau; Lau, Kah Chun; Iddir, Hakim; Curtiss, Larry A.] Argonne Natl Lab, Div Mat Sci, Argonne, IL 60439 USA. [Zhang, Zhengcheng; Lu, Jun; Du, Peng; Qin, Yan; Redfern, Paul C.; Amine, Khalil] Argonne Natl Lab, Chem Sci & Engn Div, Argonne, IL 60439 USA. [Greeley, Jeffrey; Curtiss, Larry A.] Argonne Natl Lab, Ctr Nanoscale Mat, Argonne, IL 60439 USA. [Assary, Rajeev S.] Northwestern Univ, Evanston, IL 60208 USA. [Sun, Yang-Kook] Hanyang Univ, Dept Chem Engn, Ctr Informat & Commun Mat, Seoul 133791, South Korea. RP Curtiss, LA (reprint author), Argonne Natl Lab, Div Mat Sci, 9700 S Cass Ave, Argonne, IL 60439 USA. EM curtiss@anl.gov; amine@anl.gov RI Surendran Assary, Rajeev/E-6833-2012; Lau, Kah Chun/A-9348-2013; Sun, Yang-Kook/B-9157-2013; Du, Peng/F-8336-2013; Amine, Khalil/K-9344-2013 OI Surendran Assary, Rajeev/0000-0002-9571-3307; Lau, Kah Chun/0000-0002-4925-3397; Sun, Yang-Kook/0000-0002-0117-0170; FU Human Resources Development of the Korea Institute of Energy Technology Evaluation and Planning (KETEP); Korea government Ministry of Knowledge Economy [20114010203150]; [DE-AC02-06CH11357] FX We gratefully acknowledge grants of computer time from EMSL, a national scientific user facility located at Pacific Northwest National Laboratory, ANL Laboratory Computing Resource Center (LCRC), and Center of Nanoscale Materials (CNM). This work was also supported by the Human Resources Development of the Korea Institute of Energy Technology Evaluation and Planning (KETEP) grant funded by the Korea government Ministry of Knowledge Economy (No. 20114010203150). The submitted manuscript has been created by UChicago Argonne, LLC, Operator of Argonne National Laboratory ("Argonne"). Argonne, a U.S. Department of Energy Office of Science laboratory, is operated under Contract No. DE-AC02-06CH11357. The U.S. Government retains for itself, and others acting on its behalf, a paid-up nonexclusive, irrevocable worldwide license in said article to reproduce, prepare derivative works, distribute copies to the public, and perform publicly and display publicly, by or on behalf of the Government. NR 39 TC 104 Z9 104 U1 7 U2 111 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 1932-7447 J9 J PHYS CHEM C JI J. Phys. Chem. C PD DEC 29 PY 2011 VL 115 IS 51 BP 25535 EP 25542 DI 10.1021/jp2087412 PG 8 WC Chemistry, Physical; Nanoscience & Nanotechnology; Materials Science, Multidisciplinary SC Chemistry; Science & Technology - Other Topics; Materials Science GA 864CO UT WOS:000298214800042 ER PT J AU Sun, CH Jia, Y Yang, XH Yang, HG Yao, XD Lu, GQ Selloni, A Smith, SC AF Sun, Chenghua Jia, Yi Yang, Xiao-Hua Yang, Hua-Gui Yao, Xiangdong Lu, Gao Qing (Max) Selloni, Annabella Smith, Sean C. TI Hydrogen Incorporation and Storage in Well-Defined Nanocrystals of Anatase Titanium Dioxide SO JOURNAL OF PHYSICAL CHEMISTRY C LA English DT Article ID LIGHT PHOTOCATALYTIC ACTIVITY; MINIMUM ENERGY PATHS; ELASTIC BAND METHOD; IODINE-DOPED TIO2; SADDLE-POINTS; SURFACE; WATER; ADSORPTION; NANOPARTICLES; ENERGETICS AB Hydrogen incorporation into well-defined nanocrystals of anatase titanium dioxide (TiO2) has been investigated by a combination of experimental studies and density functional theory (DFT) calculations. The hydrogenation of TiO2 nanocrystals was determined at 450 degrees C with an initial hydrogen pressure of 7.0 MP, and storage capacities of 1.0 wt % and 1.4 wt % were achieved for nanocrystals with predominant (001) and (101) surface terminations, respectively. X-ray diffraction and Raman spectroscopy measurements indicate that the TiO2 crystal structure is very well preserved during the hydrogenation. DFT calculations show that hydrogen occupies the interstitial sites between titanium-oxygen octahedra and the energy barrier for hydrogen incorporation through the anatase (101) surface is lower than that through (001). C1 [Sun, Chenghua] Univ Queensland, Ctr Computat Mol Sci, Australia Inst Bioengn & Nanotechnol, Brisbane, Qld 4072, Australia. [Sun, Chenghua; Jia, Yi; Lu, Gao Qing (Max)] Univ Queensland, ARC Ctr Excellence Funct Nanomat, Australia Inst Bioengn & Nanotechnol, Brisbane, Qld 4072, Australia. [Sun, Chenghua; Selloni, Annabella] Princeton Univ, Dept Chem, Princeton, NJ 08542 USA. [Yang, Xiao-Hua; Yang, Hua-Gui] E China Univ Sci & Technol, Key Lab Ultrafine Mat, Minist Educ, Sch Mat Sci & Engn, Shanghai 200237, Peoples R China. [Yao, Xiangdong] Griffith Univ, Queensland Micro & Nanotechnol Ctr, Nathan, Qld 4111, Australia. [Smith, Sean C.] Oak Ridge Natl Lab, Ctr Nanophase Mat Sci, Oak Ridge, TN 37831 USA. RP Sun, CH (reprint author), Univ Queensland, Ctr Computat Mol Sci, Australia Inst Bioengn & Nanotechnol, Brisbane, Qld 4072, Australia. EM c.sun1@uq.edu.au; smithsc@ornl.gov RI Lu, Gaoqing (Max)/A-2859-2008; Sun, Chenghua/C-5734-2009; Yao, Xiangdong/E-1259-2013; Griffith University, QMNC/I-5498-2013; Jia, Yi/N-1519-2013; Yang, Xiaohua/H-5053-2011; Smith, Sean/H-5003-2015; OI Lu, Gaoqing (Max)/0000-0002-5223-1674; Yang, Xiaohua/0000-0003-3706-8060; Smith, Sean/0000-0002-5679-8205; Family Name Deactivated, Given Names Deactivated/0000-0002-1456-6983 FU Australia Research Council; Queensland Government; University of Queensland; DoE-BES, Chemical Sciences, Geosciences and Biosciences Division [DE-FG02-05ER15702] FX We are thankful to the Australia Research Council, Queensland Government through Smart Future Fellowship (C.S.) and the University of Queensland Research Excellence Awards (CS.) for financial support of this project. A.S. acknowledges support from DoE-BES, Chemical Sciences, Geosciences and Biosciences Division, Contract No. DE-FG02-05ER15702. The authors acknowledge Ms. Ying Yu for her help in collecting Raman spectra. NR 56 TC 39 Z9 40 U1 3 U2 78 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 1932-7447 J9 J PHYS CHEM C JI J. Phys. Chem. C PD DEC 29 PY 2011 VL 115 IS 51 BP 25590 EP 25594 DI 10.1021/jp210472p PG 5 WC Chemistry, Physical; Nanoscience & Nanotechnology; Materials Science, Multidisciplinary SC Chemistry; Science & Technology - Other Topics; Materials Science GA 864CO UT WOS:000298214800047 ER PT J AU Dong, S Zhang, QF Yunoki, S Liu, JM Dagotto, E AF Dong, Shuai Zhang, Qinfang Yunoki, Seiji Liu, J-M Dagotto, Elbio TI Ab initio study of the intrinsic exchange bias at the SrRuO3/SrMnO3 interface SO PHYSICAL REVIEW B LA English DT Article ID THIN-FILMS; WEAK FERROMAGNETISM; SUPERLATTICES; ANISOTROPY; BIFEO3; SRRUO3; MODEL AB In a recent publication [S. Dong et al., Phys. Rev. Lett. 103, 127201 (2009)], two (related) mechanisms were proposed to understand the intrinsic exchange bias present in oxides heterostructures involving G-type antiferromagnetic perovskites. The first mechanism is driven by the Dzyaloshinskii-Moriya interaction, which is a spin-orbit coupling effect. The second is induced by the ferroelectric polarization, and it is only active in heterostructures involving multiferroics. Using the SrRuO3/SrMnO3 superlattice as a model system, density-functional calculations are here performed to verify the two proposals. This proof-of-principle calculation provides convincing evidence that qualitatively supports both proposals. C1 [Dong, Shuai] Southeast Univ, Dept Phys, Nanjing 211189, Jiangsu, Peoples R China. [Dong, Shuai; Liu, J-M] Nanjing Univ, Natl Lab Solid State Microstruct, Nanjing 210093, Jiangsu, Peoples R China. [Zhang, Qinfang] Yancheng Inst technol, Key Lab Adv Technol Environm Protect Jiangsu Prov, Yancheng 224051, Peoples R China. [Zhang, Qinfang; Yunoki, Seiji] RIKEN, Computat Condensed Matter Phys Lab, Wako, Saitama 3510198, Japan. [Zhang, Qinfang; Yunoki, Seiji] Japan Sci & Technol Agcy JST, CREST, Kawaguchi, Saitama 3320012, Japan. [Yunoki, Seiji] RIKEN AICS, Computat Mat Sci Res Team, Kobe, Hyogo 6500047, Japan. [Liu, J-M] Chinese Acad Sci, Int Ctr Mat Phys, Shenyang 110016, Peoples R China. [Dagotto, Elbio] Univ Tennessee, Dept Phys & Astron, Knoxville, TN 37996 USA. [Dagotto, Elbio] Oak Ridge Natl Lab, Div Mat Sci & Technol, Oak Ridge, TN 37831 USA. RP Dong, S (reprint author), Southeast Univ, Dept Phys, Nanjing 211189, Jiangsu, Peoples R China. RI Zhang, Qinfang/C-6481-2008; Yunoki, Seiji/B-1831-2008; Dong (董), Shuai (帅)/A-5513-2008 OI Zhang, Qinfang/0000-0003-3233-3400; Dong (董), Shuai (帅)/0000-0002-6910-6319 FU 973 Projects of China [2011CB922101, 2009CB623303]; NSFC [11004027]; NCET [10-0325]; CREST-JST; US Department of Energy, Office of Basic Energy Sciences, Materials Sciences and Engineering Division FX S.D. and J.M.L. were supported by the 973 Projects of China (2011CB922101, 2009CB623303), NSFC (11004027), and NCET (10-0325). Q.F.Z. and S.Y. were supported by CREST-JST. E. D. was supported by the US Department of Energy, Office of Basic Energy Sciences, Materials Sciences and Engineering Division. Most calculations were performed on the Kraken (a Cray XT5) supercomputer at the National Institute for Computational Sciences, Oak Ridge, Tennessee, USA. NR 50 TC 14 Z9 14 U1 2 U2 57 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1098-0121 J9 PHYS REV B JI Phys. Rev. B PD DEC 29 PY 2011 VL 84 IS 22 AR 224437 DI 10.1103/PhysRevB.84.224437 PG 6 WC Physics, Condensed Matter SC Physics GA 869NR UT WOS:000298605500002 ER PT J AU Aad, G Abbott, B Abdallah, J Abdelalim, AA Abdesselam, A Abdinov, O Abi, B Abolins, M Abramowicz, H Abreu, H Acerbi, E Acharya, BS Adams, DL Addy, TN Adelman, J Aderholz, M Adomeit, S Adragna, P Adye, T Aefsky, S Aguilar-Saavedra, JA Aharrouche, M Ahlen, SP Ahles, F Ahmad, A Ahsan, M Aielli, G Akdogan, T Akesson, TPA Akimoto, G Akimov, AV Akiyama, A Alam, MS Alam, MA Albert, J Albrand, S Aleksa, M Aleksandrov, IN Alessandria, F Alexa, C Alexander, G Alexandre, G Alexopoulos, T Alhroob, M Aliev, M Alimonti, G Alison, J Aliyev, M Allport, PP Allwood-Spiers, SE Almond, J Aloisio, A Alon, R Alonso, A Alviggi, MG Amako, K Amaral, P Amelung, C Ammosov, VV Amorim, A Amoros, G Amram, N Anastopoulos, C Ancu, LS Andari, N Andeen, T Anders, CF Anders, G Anderson, KJ Andreazza, A Andrei, V Andrieux, ML Anduaga, XS Angerami, A Anghinolfi, F Anjos, N Annovi, A Antonaki, A Antonelli, M Antonov, A Antos, J Anulli, F Aoun, S Bella, LA Apolle, R Arabidze, G Aracena, I Arai, Y Arce, ATH Archambault, JP Arfaoui, S Arguin, JF Arik, E Arik, M Armbruster, AJ Arnaez, O Arnault, C Artamonov, A Artoni, G Arutinov, D Asai, S Asfandiyarov, R Ask, S Asman, B Asquith, L Assamagan, K Astbury, A Astvatsatourov, A Atoian, G Aubert, B Auge, E Augsten, K Aurousseau, M Austin, N Avolio, G Avramidou, R Axen, D Ay, C Azuelos, G Azuma, Y Baak, MA Baccaglioni, G Bacci, C Bach, AM Bachacou, H Bachas, K Bachy, G Backes, M Backhaus, M Badescu, E Bagnaia, P Bahinipati, S Bai, Y Bailey, DC Bain, T Baines, JT Baker, OK Baker, MD Baker, S Banas, E Banerjee, P Banerjee, S Banfi, D Bangert, A Bansal, V Bansil, HS Barak, L Baranov, SP Barashkou, A Galtieri, AB Barber, T Barberio, EL Barberis, D Barbero, M Bardin, DY Barillari, T Barisonzi, M Barklow, T Barlow, N Barnett, BM Barnett, RM Baroncelli, A Barone, G Barr, AJ Barreiro, F da Costa, JBG Barrillon, P 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Zhuang, X. Zhuravlov, V. Zieminska, D. Zimmermann, R. Zimmermann, S. Zimmermann, S. Ziolkowski, M. Zitoun, R. Zivkovic, L. Zmouchko, V. V. Zobernig, G. Zoccoli, A. Zolnierowski, Y. Zsenei, A. zur Nedden, M. Zutshi, V. Zwalinski, L. CA ATLAS Collaboration TI Search for Dilepton Resonances in pp Collisions at root s 7 TeV with the ATLAS Detector SO PHYSICAL REVIEW LETTERS LA English DT Article ID FERMION-PAIR PRODUCTION; PARTON DISTRIBUTIONS; GAUGE BOSONS; LHC; LEP; PHYSICS; HADRON; MODELS AB This Letter reports on a search for narrow high-mass resonances decaying into dilepton final states. The data were recorded by the ATLAS experiment in pp collisions at root s = 7 TeV at the Large Hadron Collider and correspond to a total integrated luminosity of 1.08 (1.21) fb(-1) in the e(+)e(-) (mu(+)mu(-)) channel. No statistically significant excess above the standard model expectation is observed and upper limits are set at the 95% C. 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[Bertin, A.; Bindi, M.; Caforio, D.; Ciocca, C.; De Castro, S.; Di Sipio, R.; Fabbri, L.; Massa, I.; Mengarelli, A.; Monzani, S.; Piccinini, M.; Sbarra, C.; Sbrizzi, A.; Semprini-Cesari, N.; Valentinetti, S.; Villa, M.; Zoccoli, A.] Univ Bologna, Dipartimento Fis, Bologna, Italy. [Alhroob, M.; Anders, C. F.; Arutinov, D.; Backhaus, M.; Barbero, M.; Bartsch, D.; Brock, I.; Cristinziani, M.; Desch, K.; Dingfelder, J.; Fischer, P.; Gaycken, G.; Geich-Gimbel, Ch.; Gonella, L.; Havranek, M.; Hellmich, D.; Hillert, S.; Huegging, F.; Ince, T.; Janus, M.; Khoriauli, G.; Koevesarki, P.; Kokott, T.; Kostyukhin, V. V.; Kroseberg, J.; Krueger, H.; Kruth, A.; Lapoire, C.; Lehmacher, M.; Leyko, A. M.; Limbach, C.; Loddenkoetter, T.; Mathes, M.; Mazur, M.; Meuser, S.; Moeser, N.; Mueller, K.; Nanava, G.; Nattermann, T.; Nuncio-Quiroz, A. -E.; Poghosyan, T.; Psoroulas, S.; Radics, B.; Runolfsson, O.; Schaepe, S.; Schmieden, K.; Schmitz, M.; Schumacher, J. W.; Schwindt, T.; Stillings, J. A.; Stockmanns, T.; Therhaag, J.; Tsung, J. -W; Uchida, K.; Uhlenbrock, M.; Vlasov, N.; Vogel, A.; von Toerne, E.; Wermes, N.; Wienemann, P.; Zendler, C.; Zimmermann, R.; Zimmermann, S.] Univ Bonn, Inst Phys, Bonn, Germany. [Ahlen, S. P.; Black, K. M.; Butler, J. M.; Harrington, R. D.; Hazen, E.; Lewandowska, M.; Love, J.; Marin, A.; Nation, N. R.; Posch, C.; Shank, J. T.; Whitaker, S. P.; Yan, Z.; Youssef, S.] Boston Univ, Dept Phys, Boston, MA 02215 USA. [Aefsky, S.; Amelung, C.; Bensinger, J. R.; Blocker, C.; Kirsch, L. E.; Pomeroy, D.; Sciolla, G.; Skvorodnev, N.; Wellenstein, H.] Brandeis Univ, Dept Phys, Waltham, MA 02254 USA. [Caloba, L. P.; Cerqueira, A. S.; Da Silva, P. V. M.; do Vale, M. A. B.; Maidantchik, C.; Marroquim, F.; Nepomuceno, A. A.; Perantoni, M.; Seixas, J. M.] Univ Fed Rio De Janeiro COPPE EE IF, Rio De Janeiro, Brazil. Fed Univ Juiz de Fora UFJF, Juiz De Fora, Brazil. Fed Univ Sao Joao del Rei UFSJ, Sao Joao Del Rei, Brazil. [Donadelli, M.; Leite, M. A. 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A.; Bachas, K.; Bachy, G.; Banfi, D.; Battistin, M.; Bellina, F.; Bellomo, M.; Beltramello, O.; Berge, D.; Bertinelli, F.; Bianchi, R. M.; Blanchot, G.; Bogaerts, J. A.; Boyd, J.; Braem, A.; Bremer, J.; Burckhart, H.; Butin, F.; Campana, S.; Garrido, M. D. M. Capeans; Carli, T.; Cataneo, F.; Catinaccio, A.; Cattai, A.; Cerri, A.; Barajas, C. A. Chavez; Chromek-Burckhart, D.; Cook, J.; Cote, D.; Danielsson, H. O.; Dauvergne, J. P.; Dell'Acqua, A.; Delmastro, M.; Delruelle, N.; Di Girolamo, A.; Di Girolamo, B.; Di Micco, B.; Dittus, F.; Dobinson, R.; Dobos, D.; Dobson, E.; Dopke, J.; Drevermann, H.; Dudarev, A.; Duehrssen, M.; Dunford, M.; Dydak, F.; Eifert, T.; Ellis, N.; Elsing, M.; Fabre, C.; Farthouat, P.; Fassnacht, P.; Foussat, A.; Francis, D.; Franz, S.; Froeschl, R.; Froidevaux, D.; Torregrosa, E. Fullana; Gabaldon, C.; Gallas, M. V.; Garelli, N.; Garonne, V.; Gayde, J-C.; Gianotti, F.; Gibson, S. M.; Godlewski, J.; Gonidec, A.; Goossens, L.; Gorini, B.; Grafstroem, P.; Gray, H. 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E.; Shochet, M. J.; Tuggle, J. M.] Univ Chicago, Enrico Fermi Inst, Chicago, IL 60637 USA. [Diaz, M. A.; Panes, B.; Quinonez, F.; Urrejola, P.] Pontificia Univ Catolica Chile, Dept Fis, Santiago, Chile. [Brooks, W. K.; Kuleshov, S.; Pezoa, R.; Prokoshin, F.] Univ Tecn Federico Santa Maria, Dept Fis, Valparaiso, Chile. [Bai, Y.; Cheng, S.; Han, H.; Jin, S.; Lu, F.; Ouyang, Q.; Shan, L. Y.; Tong, G.; Xie, Y.; Xu, G.; Yang, Y.; Yuan, L.; Zheng, S.] Chinese Acad Sci, Inst High Energy Phys, Beijing, Peoples R China. [Han, L.; Jiang, Y.; Jin, G.; Li, S.; Liu, M.; Liu, Y.; Peng, H.; Wang, H.; Wu, Y.; Xu, C.; Zhang, D.; Zhao, Z.] Univ Sci & Technol China, Dept Modern Phys, Hefei, Anhui, Peoples R China. [Chen, S.; Chen, T.; Ping, J.; Yu, J.; Zhong, J.] Nanjing Univ, Dept Phys, Nanjing, Jiangsu, Peoples R China. [Feng, C.; Ge, P.; He, M.; Liu, D.; Meng, Z.; Miao, J.; Wang, J.; Zhan, Z.; Zhang, X.; Zhu, C. G.] Shandong Univ, High Energy Phys Grp, Jinan, Shandong, Peoples R China. [Busato, E.; Calvet, D.; Calvet, S.; Toro, R. Camacho; Cinca, D.; Febbraro, R.; Ghodbane, N.; Guicheney, C.; Liao, H.; Pallin, D.; Podlyski, F.; Santoni, C.; Says, L. P.; Vazeille, F.] Clermont Univ, Phys Corpusculaire Lab, Aubiere, France. [Andeen, T.; Angerami, A.; Brooijmans, G.; Copic, K.; Dodd, J.; Grau, N.; Guo, J.; Hughes, E. W.; Leltchouk, M.; Nikiforou, N.; Parsons, J. A.; Penson, A.; Perez, K.; Reale, V. Perez; Tian, F.; Tuts, P. M.; Urbaniec, D.; Williams, E.; Willis, W.; Wulf, E.; Zivkovic, L.] Columbia Univ, Nevis Lab, Irvington, NY USA. [Boelaert, N.; Dam, M.; Driouichi, C.; Gregersen, K.; Hansen, J. R.; Hansen, J. B.; Hansen, J. D.; Hansen, P. H.; Heisterkamp, S.; Jakobsen, S.; Jez, P.; Joergensen, M. D.; Kadlecik, P.; Klinkby, E. B.; Lundquist, J.; Mackeprang, R.; Mehlhase, S.; Petersen, T. C.; Simonyan, M.; Xella, S.] Univ Copenhagen, Niels Bohr Inst, Copenhagen, Denmark. [Capua, M.; Crosetti, G.; Fazio, S.; La Rotonda, L.; Mastroberardino, A.; Morello, G.; Salvatore, D.; Schioppa, M.; Susinno, G.; Tassi, E.] Ist Nazl Fis Nucl, Grp Coll Cosenza, Arcavacata Di Rende, Italy. [Capua, M.; Crosetti, G.; Fazio, S.; La Rotonda, L.; Mastroberardino, A.; Morello, G.; Salvatore, D.; Schioppa, M.; Susinno, G.; Tassi, E.] Univ Calabria, Dipartimento Fis, Arcavacata Di Rende, Italy. [Bold, T.; Ciba, K.; Dabrowski, W.; Dwuznik, M.; Grabowska-Bold, I.; Idzik, M.; Jelen, K.; Kisielewska, D.; Koperny, S.; Kowalski, T. Z.; Mindur, B.; Rulikowska-Zarebska, E.; Toczek, B.] AGH Univ Sci & Technol, Fac Phys & Appl Comp Sci, Krakow, Poland. [Banas, E.; Blocki, J.; de Renstrom, P. A. Bruckman; Derendarz, D.; Gornicki, E.; Hajduk, Z.; Iwanski, W.; Kaczmarska, A.; Korcyl, K.; Malecki, Pa.; Malecki, P.; Olszewski, A.; Olszowska, J.; Trzupek, A.; Turala, M.; Wolter, M. W.; Wosiek, B. K.; Zemla, A.] Polish Acad Sci, Henryk Niewodniczanski Inst Nucl Phys, Krakow, Poland. [Daya, R. 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[Friedrich, F.; Goepfert, T.; Kar, D.; Kobel, M.; Leonhardt, K.; Ludwig, A.; Mader, W. F.; Prudent, X.; Rudolph, C.; Schwierz, R.; Seifert, F.; Steinbach, P.; Straessner, A.; Vest, A.] Tech Univ Dresden, Inst Kern & Teilchenphys, D-01062 Dresden, Germany. [Arce, A. T. H.; Benjamin, D. P.; Bocci, A.; Ebenstein, W. L.; Fowler, A. J.; Ko, B. R.; Kotwal, A.; Oh, S. H.; Wang, C.; Yamaoka, J.] Duke Univ, Dept Phys, Durham, NC 27706 USA. [Bhimji, W.; Buckley, A. G.; Clark, P. J.; Martin, V. J.; O'Brien, B. J.; Wynne, B. M.] Univ Edinburgh, SUPA Sch Phys & Astron, Edinburgh, Midlothian, Scotland. [Annovi, A.; Antonelli, M.; Bilokon, H.; Cerutti, F.; Curatolo, M.; Esposito, B.; Etienne, F.; Ferrer, M. L.; Gatti, C.; Laurelli, P.; Maccarrone, G.; Sansoni, A.; Testa, M.; Vilucchi, E.; Volpi, G.; Wen, M.] Ist Nazl Fis Nucl, Lab Nazl Frascati, I-00044 Frascati, Italy. [Abdelalim, A. A.; Alexandre, G.; Backes, M.; Barone, G.; Bell, P. J.; Bell, W. 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[Ay, C.; Bierwagen, K.; Blumenschein, U.; Brandt, O.; Erdmann, J.; Evangelakou, D.; George, M.; Grosse-Knetter, J.; Guindon, S.; Haller, J.; Henrichs, A.; Hensel, C.; Keil, M.; Knue, A.; Kohn, F.; Krieger, N.; Kroeninger, K.; Lemmer, B.; Magradze, E.; Mann, A.; Meyer, J.; Morel, J.; Quadt, A.; Roe, A.; Shabalina, E.; Uhrmacher, M.; Weber, P.; Weingarten, J.] Univ Gottingen, Inst Phys 2, Gottingen, Germany. [Albrand, S.; Andrieux, M-L.; Clement, B.; Collot, J.; Crepe-Renaudin, S.; Delsart, P. A.; Donini, J.; Hostachy, J-Y.; Laisne, E.; Ledroit-Guillon, F.; Lleres, A.; Lucotte, A.; Malek, F.; Martin, Ph.; Polci, F.; Stark, J.; Sun, X.; Trocme, B.; Weydert, C.] Univ Grenoble 1, Lab Phys Subatom & Cosmol, Grenoble, France. [Albrand, S.; Andrieux, M-L.; Clement, B.; Collot, J.; Crepe-Renaudin, S.; Delsart, P. A.; Donini, J.; Hostachy, J-Y.; Laisne, E.; Ledroit-Guillon, F.; Lleres, A.; Lucotte, A.; Malek, F.; Martin, Ph.; Polci, F.; Stark, J.; Sun, X.; Trocme, B.; Weydert, C.] CNRS, IN2P3, Grenoble, France. [Albrand, S.; Andrieux, M-L.; Clement, B.; Collot, J.; Crepe-Renaudin, S.; Delsart, P. A.; Donini, J.; Hostachy, J-Y.; Laisne, E.; Ledroit-Guillon, F.; Lleres, A.; Lucotte, A.; Malek, F.; Martin, Ph.; Polci, F.; Stark, J.; Sun, X.; Trocme, B.; Weydert, C.] Inst Natl Polytech Grenoble, F-38031 Grenoble, France. [Addy, T. N.; Harvey, A.; McFarlane, K. W.; Shin, T.; Vassilakopoulos, V. I.] Hampton Univ, Dept Phys, Hampton, VA 23668 USA. [da Costa, J. Barreiro Guimaraes; Belloni, A.; Brandenburg, G. W.; Franklin, M.; Hurst, P.; Huth, J.; Jeanty, L.; Kagan, M.; Mateos, D. Lopez; Outschoorn, V. Martinez; Mercurio, K. M.; Mills, C.; Moed, S.; Morii, M.; Prasad, S.; Smith, B. C.; della Porta, G. Zevi] Harvard Univ, Lab Particle Phys & Cosmol, Cambridge, MA 02138 USA. [Anders, G.; Andrei, V.; Childers, J. T.; Davygora, Y.; Dietzsch, T. A.; Geweniger, C.; Hanke, P.; Henke, M.; Khomich, A.; Kluge, E. -E.; Lendermann, V.; Meier, K.; Mueller, F.; Poddar, S.; Scharf, V.; Schultz-Coulon, H-C.; Stamen, R.; Wessels, M.] Heidelberg Univ, Kirchhoff Inst Phys, Heidelberg, Germany. [Radescu, V.; Schaetzel, S.; Schmitt, S.; Schoening, A.] Heidelberg Univ, Inst Phys, D-6900 Heidelberg, Germany. [Kugel, A.; Maenner, R.; Schroer, N.] Heidelberg Univ, ZITI Inst Tech Informat, D-6800 Mannheim, Germany. [Ohsugi, T.] Hiroshima Univ, Fac Sci, Hiroshima 730, Japan. [Nagasaka, Y.] Hiroshima Inst Technol, Fac Appl Informat Sci, Hiroshima, Japan. [Brunet, S.; Cwetanski, P.; Evans, H.; Gagnon, P.; Jain, V.; Luehring, F.; Marino, C. P.; Ogren, H.; Penwell, J.; Price, D.; Rust, D. R.; Whittington, D.; Yang, Y.; Zieminska, D.] Indiana Univ, Dept Phys, Bloomington, IN 47405 USA. [Epp, B.; Jussel, P.; Kneringer, E.; Kuhn, D.; Rudolph, G.] Leopold Franzens Univ, Inst Astro & Teilchenphys, Innsbruck, Austria. [Behera, P. K.; Limper, M.; Mallik, U.; Zaidan, R.] Univ Iowa, Iowa City, IA USA. [Chen, C.; Cochran, J.; Dudziak, F.; Mete, A. S.; Meyer, W. T.; Nelson, A.; Prell, S.; Rosenberg, E. I.; Ruiz-Martinez, A.; Yamamoto, K.] Iowa State Univ, Dept Phys & Astron, Ames, IA USA. [Aleksandrov, I. N.; Barashkou, A.; Bardin, D. Y.; Bednyakov, V. A.; Boyko, I. R.; Budagov, I. A.; Chelkov, G. A.; Cheplakov, A.; Chepurnov, V. F.; Chizhov, M. V.; Dedovich, D. V.; Demichev, M.; Glonti, G. L.; Gostkin, M. I.; Grigalashvili, N.; Gusakov, Y.; Huseynov, N.; Kalinovskaya, L. V.; Kazarinov, M. Y.; Kekelidze, G. D.; Kharchenko, D.; Khovanskiy, N.; Khramov, E.; Kolesnikov, V.; Kotov, V. M.; Kruchonak, U.; Krumshteyn, Z. V.; Kukhtin, V.; Ladygin, E.; Lazarev, A. B.; Manjavidze, I. D.; Minashvili, I. A.; Mineev, M.; Nikolaev, K.; Olchevski, A. G.; Peshekhonov, V. D.; Romanov, V. M.; Rumyantsev, L.; Rusakovich, N. A.; Sadykov, R.; Sisakyan, A. N.; Topilin, N. D.; Vinogradov, V. B.; Zhemchugov, A.] JINR Dubna, Joint Inst Nucl Res, Dubna, Russia. [Amako, K.; Arai, Y.; Doi, Y.; Haruyama, T.; Ikegami, Y.; Ikeno, M.; Ishii, K.; Iwasaki, H.; Kanzaki, J.; Kohriki, T.; Kondo, T.; Makida, Y.; Manabe, A.; Mitsui, S.; Morita, Y.; Nagano, K.; Nozaki, M.; Odaka, S.; Ohska, T. K.; Sasaki, O.; Sasaki, T.; Suzuki, Y.; Tanaka, S.; Terada, S.; Tojo, J.; Tokushuku, K.; Tsuno, S.; Unno, Y.; Yamada, M.; Yamamoto, A.; Yasu, Y.] High Energy Accelerator Res Org, KEK, Tsukuba, Ibaraki, Japan. [Akiyama, A.; Hayakawa, T.; Homma, Y.; Ichimiya, R.; Ishikawa, A.; Kawagoe, K.; King, M.; Kishimoto, T.; Kurashige, H.; Matsushita, T.; Miyazaki, K.; Nishiyama, T.; Ochi, A.; Okada, S.; Omachi, C.; Suita, K.; Suzuki, Y.; Takeda, H.; Tani, K.; Tokunaga, K.; Yamazaki, Y.] Kobe Univ, Grad Sch Sci, Kobe, Hyogo 657, Japan. [Ishino, M.; Sasao, N.] Kyoto Univ, Fac Sci, Kyoto, Japan. [Takashima, R.] Kyoto Univ, Kyoto 612, Japan. [Anduaga, X. S.; Dova, M. T.; Monticelli, F.; Tripiana, M. F.] Consejo Nacl Invest Cient & Tecn, La Plata, Buenos Aires, Argentina. [Anduaga, X. S.; Dova, M. T.; Monticelli, F.; Tripiana, M. F.] Univ Nacl La Plata, Inst Fis La Plata, La Plata, Buenos Aires, Argentina. [Barton, A. E.; Borissov, G.; Bouhova-Thacker, E. V.; Brodbeck, T. J.; Catmore, J. R.; Chilingarov, A.; Davidson, R.; De Mora, L.; Fox, H.; Henderson, R. C. W.; Hughes, G.; Jones, R. W. L.; Kartvelishvili, V.; Long, R. E.; Love, P. A.; Ratoff, P. N.; Sloan, T. J.; Smizanska, M.; Walder, J.] Univ Lancaster, Dept Phys, Lancaster, England. [Bianco, M.; Cataldi, G.; Chiodini, G.; Crupi, R.; Gorini, E.; Grancagnolo, F.; Guida, A.; Perrino, R.; Primavera, M.; Spagnolo, S.; Ventura, A.] Ist Nazl Fis Nucl, Sez Lecce, I-73100 Lecce, Italy. [Bianco, M.; Crupi, R.; Gorini, E.; Guida, A.; Spagnolo, S.; Ventura, A.] Univ Salento, Dipartimento Fis, Lecce, Italy. [Allport, P. P.; Austin, N.; Burdin, S.; D'Onofrio, M.; Dervan, P.; Greenshaw, T.; Gwilliam, C. B.; Hayward, H. S.; Houlden, M. A.; Jackson, J. N.; Jones, T. J.; King, B. T.; Klein, M.; Klein, U.; Kluge, T.; Kretzschmar, J.; Laycock, P.; Maxfield, S. J.; Mehta, A.; Migas, S.; Prichard, P. M.; Sellers, G.; Vossebeld, J. H.; Waller, P.; Wrona, B.] Univ Liverpool, Oliver Lodge Lab, Liverpool L69 3BX, Merseyside, England. [Cindro, V.; Deliyergiyev, M.; Dolenc, I.; Filipcic, A.; Gorisek, A.; Kersevan, B. P.; Kramberger, G.; Macek, B.; Mandic, I.; Mikuz, M.; Tykhonov, A.] Univ Ljubljana, Ljubljana, Slovenia. [Cindro, V.; Deliyergiyev, M.; Dolenc, I.; Filipcic, A.; Gorisek, A.; Kersevan, B. P.; Kramberger, G.; Macek, B.; Mandic, I.; Mikuz, M.; Tykhonov, A.] Jozef Stefan Inst, Dept Phys, Ljubljana, Slovenia. [Adragna, P.; Bona, M.; Carter, A. A.; Cerrito, L.; Eisenhandler, E.; Ellis, K.; Landon, M. P. J.; Lloyd, S. L.; Morin, J.; Morris, J. D.; Piccaro, E.; Poll, J.; Rizvi, E.; Salamanna, G.; Stevenson, K.; Castanheira, M. Teixeira Dias; Traynor, D.; Wiglesworth, C.] Queen Mary Univ London, Dept Phys, London, England. [Alam, M. A.; Berry, T.; Boisvert, V.; Boorman, G.; Cooper-Smith, N. J.; Cowan, G.; Edwards, C. A.; George, S.; Goncalo, R.; Hayden, D.; Misiejuk, A.; Pastore, Fr.; Rose, M.; Spano, F.; Strong, J. A.; Teixeira-Dias, P.] Royal Holloway Univ London, Dept Phys, Surrey, England. [Bernat, P.; Bieniek, S. P.; Boeser, S.; Butterworth, J. M.; Byatt, T.; Campanelli, M.; Christidi, I. A.; Cooper, B. D.; Davison, A. R.; Dean, S.; Jansen, E.; Jones, T. W.; Konstantinidis, N.; Monk, J.; Nash, M.; Nurse, E.; Prabhu, R.; Richards, A.; Robinson, J. E. M.; Sherwood, P.; Simmons, B.; Taylor, C.; Waugh, B. M.; Wijeratne, P. A.] UCL, Dept Phys & Astron, London, England. [Beau, T.; Bordoni, S.; Calderini, G.; Cavalleri, P.; Chareyre, E.; De Cecco, S.; Derue, F.; Imbault, D.; Krasny, M. W.; Kuna, M.; Lacour, D.; Laforge, B.; Laplace, S.; Le Dortz, O.; Marchiori, G.; Nikolic-Audit, I.; Ocariz, J.; Ridel, M.; Roos, L.; Schwemling, Ph.; Theveneaux-Pelzer, T.; Torres, H.; Trincaz-Duvoid, S.; Trinh, T. N.; Vannucci, F.; Yuan, L.] UPMC, Lab Phys Nucl & Hautes Energies, Paris, France. [Beau, T.; Bordoni, S.; Calderini, G.; Cavalleri, P.; Chareyre, E.; De Cecco, S.; Derue, F.; Imbault, D.; Krasny, M. W.; Kuna, M.; Lacour, D.; Laforge, B.; Laplace, S.; Le Dortz, O.; Marchiori, G.; Nikolic-Audit, I.; Ocariz, J.; Ridel, M.; Roos, L.; Schwemling, Ph.; Theveneaux-Pelzer, T.; Torres, H.; Trincaz-Duvoid, S.; Trinh, T. N.; Vannucci, F.; Yuan, L.] CNRS, IN2P3, Paris, France. [Beau, T.; Bordoni, S.; Calderini, G.; Cavalleri, P.; Chareyre, E.; De Cecco, S.; Derue, F.; Imbault, D.; Krasny, M. W.; Kuna, M.; Lacour, D.; Laforge, B.; Laplace, S.; Le Dortz, O.; Marchiori, G.; Nikolic-Audit, I.; Ocariz, J.; Ridel, M.; Roos, L.; Schwemling, Ph.; Theveneaux-Pelzer, T.; Torres, H.; Trincaz-Duvoid, S.; Trinh, T. N.; Vannucci, F.; Yuan, L.] Univ Paris Diderot, Paris, France. [Akesson, T. P. A.; Alonso, A.; Bocchetta, S. S.; Hedberg, V.; Jarlskog, G.; Lundberg, B.; Lytken, E.; Meirose, B.; Mjornmark, J. U.; Smirnova, O.] Lund Univ, Fysiska Inst, Lund, Sweden. [Barreiro, F.; Cantero, J.; De la Torre, H.; Del Peso, J.; Glasman, C.; Labarga, L.; Lagouri, T.; Llorente Merino, J.; March, L.; Nebot, E.; Rodier, S.; Terron, J.] Univ Autonoma Madrid, Dept Fis Teor C15, Madrid, Spain. [Aharrouche, M.; Arnaez, O.; Bendel, M.; Blum, W.; Buescher, V.; Eckweiler, S.; Edmonds, K.; Ellinghaus, F.; Ertel, E.; Fiedler, F.; Fleckner, J.; Goeringer, C.; Handel, C.; Hohlfeld, M.; Ji, W.; Kawamura, G.; Kleinknecht, K.; Koenig, S.; Koepke, L.; Lungwitz, M.; Masetti, L.; Meyer, C.; Moreno, D.; Neusiedl, A.; Rieke, S.; Sander, H. G.; Schaefer, U.; Schmitt, C.; Schroeder, C.; Tapprogge, S.; Anh, T. Vu] Johannes Gutenberg Univ Mainz, Inst Phys, D-6500 Mainz, Germany. [Almond, J.; Brown, G.; Chavda, V.; Cox, B. E.; Da Via, C.; Duerdoth, I. P.; Forti, A.; Foster, J. M.; Howarth, J.; Hughes-Jones, R. E.; Ibbotson, M.; Jones, G.; Keates, J. R.; Kelly, M.; Kolya, S. D.; Lane, J. L.; Loebinger, F. K.; Marshall, R.; Martyniuk, A. C.; Marx, M.; Masik, J.; Oh, A.; Owen, M.; Pater, J. R.; Pilkington, A. D.; Plano, W. G.; Schwanenberger, C.; Snow, S. W.; Watts, S.; Yang, U. K.] Univ Manchester, Sch Phys & Astron, Manchester, Lancs, England. [Aoun, S.; Arfaoui, S.; Bee, C. P.; Benchouk, C.; Bernardet, K.; Bousson, N.; Clemens, J. C.; Coadou, Y.; Delpierre, P.; Djama, F.; Etienvre, A. I.; Feligioni, L.; Henry-Couannier, F.; Hoffmann, D.; Hubaut, F.; Knoops, E. B. F. G.; Le Guirriec, E.; Li, B.; Li, S.; Monnier, E.; Odier, J.; Petit, E.; Pralavorio, P.; Qian, Z.; Rozanov, A.; Talby, M.; Tannoury, N.; Tisserant, S.; Toth, J.; Touchard, F.; Vacavant, L.] Aix Marseille Univ, CPPM, Marseille, France. [Aoun, S.; Arfaoui, S.; Bee, C. P.; Benchouk, C.; Bernardet, K.; Bousson, N.; Clemens, J. C.; Coadou, Y.; Delpierre, P.; Djama, F.; Etienvre, A. I.; Feligioni, L.; Henry-Couannier, F.; Hoffmann, D.; Hubaut, F.; Knoops, E. B. F. G.; Le Guirriec, E.; Li, B.; Li, S.; Monnier, E.; Odier, J.; Petit, E.; Pralavorio, P.; Qian, Z.; Rozanov, A.; Talby, M.; Tannoury, N.; Tisserant, S.; Toth, J.; Touchard, F.; Vacavant, L.] CNRS, IN2P3, Marseille, France. [Brau, B.; Colon, G.; Dallapiccola, C.; Meade, A.; Moyse, E. J. W.; Pueschel, E.; Thompson, E. N.; van Eldik, N.; Willocq, S.; Woudstra, M. J.] Univ Massachusetts, Dept Phys, Amherst, MA 01003 USA. [Belanger-Champagne, C.; Chapleau, B.; Cheatham, S.; Corriveau, F.; Dobbs, M.; Dufour, M-A.; Guler, H.; Klemetti, M.; Robertson, S. H.; Rios, C. Santamarina; Schram, M.; Vachon, B.; Warburton, A.] McGill Univ, Dept Phys, Montreal, PQ, Canada. [Barberio, E. L.; Davey, W.; Davidson, N.; Felzmann, C. U.; Kubota, T.; Limosani, A.; Moorhead, G. F.; Hanninger, G. Nunes; Phan, A.; Sevior, M. E.; Shao, Q. T.; Taylor, G. N.; Volpi, M.; White, M. J.] Univ Melbourne, Sch Phys, Melbourne, Vic 3010, Australia. [Armbruster, A. J.; Borroni, S.; Chapman, J. W.; Cirilli, M.; Dai, T.; Diehl, E. B.; Eppig, A.; Ferretti, C.; Goldfarb, S.; Harper, D.; Levin, D.; Li, X.; Liu, H.; Liu, J. B.; Mc Kee, S. P.; Neal, H. A.; Panikashvili, N.; Purdham, J.; Qian, J.; Scheirich, D.; Thun, R. P.; Walch, S.; Wilson, A.; Wu, Y.; Yang, H.; Zhou, B.; Zhu, J.] Univ Michigan, Dept Phys, Ann Arbor, MI 48109 USA. [Abolins, M.; Arabidze, G.; Brock, R.; Bromberg, C.; Caughron, S.; Di Mattia, A.; Fedorko, W.; Hauser, R.; Heim, S.; Holzbauer, J. L.; Huston, J.; Koll, J.; Kraus, J.; Linnemann, J. T.; Mangeard, P. S.; Martin, B.; Miller, R. J.; Pope, B. G.; Ryan, P.; Schwienhorst, R.; Stelzer, H. J.; Tollefson, K.; Zhang, H.] Michigan State Univ, Dept Phys & Astron, E Lansing, MI 48824 USA. [Acerbi, E.; Alessandria, F.; Alimonti, G.; Andreazza, A.; Baccaglioni, G.; Battistoni, G.; Besana, M. I.; Broggi, F.; Carminati, L.; Cavalli, D.; Costa, G.; Dell'Asta, L.; Fanti, M.; Favareto, A.; Giugni, D.; Koletsou, I.; Lari, T.; Mandelli, L.; Mazzanti, M.; Meroni, C.; Montesano, S.; Perini, L.; Pizio, C.; Ragusa, F.; Resconi, S.; Rivoltella, G.; Rossi, L.; Sorbi, M.; Tartarelli, G. F.; Troncon, C.; Turra, R.; Vegni, G.; Volpini, G.] Ist Nazl Fis Nucl, Sez Milano, I-20133 Milan, Italy. [Acerbi, E.; Andreazza, A.; Besana, M. I.; Carminati, L.; Dell'Asta, L.; Fanti, M.; Favareto, A.; Montesano, S.; Perini, L.; Pizio, C.; Ragusa, F.; Rivoltella, G.; Rossi, L.; Sorbi, M.; Turra, R.; Vegni, G.] Univ Milan, Dipartimento Fis, Milan, Italy. [Bogouch, A.; Harkusha, S.; Kulchitsky, Y.; Kurochkin, Y. A.; Satsounkevitch, I.; Tsiareshka, P. V.] Natl Acad Sci Belarus, BI Stepanov Phys Inst, Minsk, Byelarus. [Gilewsky, V.; Kuzhir, P.; Rumiantsev, V.; Starovoitov, P.; Yanush, S.] Natl Sci & Educ Ctr Particle & High Energy Phys, Minsk, Byelarus. [Taylor, F. E.] MIT, Dept Phys, Cambridge, MA 02139 USA. [Azuelos, G.; Banerjee, P.; Bouchami, J.; Davies, M.; Ferland, J.; Giunta, M.; Guler, H.; Gutierrez, A.; Lebel, C.; Leroy, C.; Goia, J. A. Macana; Martin, J. P.; Mehdiyev, R.; Scallon, O.] Univ Montreal, Grp Particle Phys, Montreal, PQ, Canada. [Akimov, A. V.; Baranov, S. P.; Gavrilenko, I. L.; Komar, A. A.; Mashinistov, R.; Mouraviev, S. V.; Nechaeva, P. Yu.; Shmeleva, A.; Snesarev, A. A.; Sulin, V. V.; Tikhomirov, V. O.] Acad Sci, PN Lebedev Phys Inst, Moscow, Russia. [Artamonov, A.; Gorbounov, P. A.; Khovanskiy, V.; Shatalov, P. B.; Tsukerman, I. I.] ITEP, Moscow, Russia. [Antonov, A.; Belotskiy, K.; Bondarenko, V. G.; Bulekov, O.; Dolgoshein, B. A.; Kantserov, V. A.; Khodinov, A.; Morozov, S. V.; Romaniouk, A.; Smirnov, S. Yu.; Soldatov, E.] Moscow Engn & Phys Inst MEPhI, Moscow, Russia. [Gladilin, L. K.; Grishkevich, Y. V.; Kramarenko, V. A.; Rud, V. I.; Sivoklokov, S. Yu.; Smirnova, L. N.] Moscow MV Lomonosov State Univ, Skobeltsyn Inst Nucl Phys, Moscow, Russia. [Adomeit, S.; Biebel, O.; Calfayan, P.; de Graat, J.; Duckeck, G.; Ebke, J.; Elmsheuser, J.; Engl, A.; Galea, C.; Genest, M. H.; Hertenberger, R.; Kennedy, J.; Kummer, C.; Legger, F.; Lichtnecker, M.; Mameghani, R.; Mueller, T. A.; Nunnemann, T.; Rauscher, F.; Reznicek, P.; Ruckert, B.; Sanders, M. P.; Schaile, D.; Schieck, J.; Serfon, C.; Staude, A.; Walker, R.; Will, J. Z.; Zhuang, X.] Univ Munich, Fak Phys, Munich, Germany. [Aderholz, M.; Barillari, T.; Beimforde, M.; Bethke, S.; Capriotti, D.; Cortiana, G.; Dannheim, D.; Dubbert, J.; Ehrich, T.; Flowerdew, M. J.; Giovannini, P.; Goettfert, T.; Groh, M.; Haefner, P.; Hauff, D.; Jantsch, A.; Kaiser, S.; Kiryunin, A. E.; Kluth, S.; Kortner, O.; Kortner, S.; Kotov, S.; Kroha, H.; Lutz, G.; Macchiolo, A.; Manz, A.; Menke, S.; Mohrdieck-Moeck, S.; Moser, H. G.; Nisius, R.; Oberlack, H.; Pospelov, G. E.; Potrap, I. N.; Rauter, E.; Richter, R.; Salihagic, D.; Sandstroem, R.; Schacht, P.; Seuster, R.; Stonjek, S.; von der Schmitt, H.; von Loeben, J.; Weigell, P.; Zhuravlov, V.] Werner Heisenberg Inst, Max Planck Inst Phys, Munich, Germany. [Shimojima, M.; Tanaka, Y.] Nagasaki Inst Appl Sci, Nagasaki, Japan. [Hasegawa, S.; Morvaj, L.; Ohshima, T.; Okumura, Y.; Shichi, H.; Sugimoto, T.; Takahashi, Y.; Tomoto, M.; Wakabayashi, J.] Nagoya Univ, Grad Sch Sci, Nagoya, Aichi 4648601, Japan. [Aloisio, A.; Alviggi, M. G.; Canale, V.; Capasso, L.; Carlino, G.; Cevenini, F.; Chiefari, G.; Conventi, F.; de Asmundis, R.; Della Pietra, M.; della Volpe, D.; Doria, A.; Giordano, R.; Iengo, P.; Izzo, V.; Merola, L.; Musto, E.; Patricelli, S.; Sanchez, A.; Sekhniaidze, G.] Ist Nazl Fis Nucl, Sez Napoli, I-80125 Naples, Italy. [Aloisio, A.; Alviggi, M. G.; Canale, V.; Capasso, L.; Cevenini, F.; Chiefari, G.; della Volpe, D.; Giordano, R.; Iengo, P.; Merola, L.; Musto, E.; Patricelli, S.; Sanchez, A.] Univ Naples Federico II, Dipartimento Sci Fis, Naples, Italy. [Gorelov, I.; Hoeferkamp, M. R.; Metcalfe, J.; Seidel, S. C.; Toms, K.; Wang, R.] Univ New Mexico, Dept Phys & Astron, Albuquerque, NM 87131 USA. [Chelstowska, M. A.; Consonni, M.; De Groot, N.; Filthaut, F.; Klok, P. F.; Konig, A. C.; Koetsveld, F.; Raas, M.; Salvucci, A.; Timmermans, C. J. W. P.] Radboud Univ Nijmegen Nikhef, Inst Math Astrophys & Particle Phys, Nijmegen, Netherlands. [Bentvelsen, S.; Bobbink, G. J.; Bos, K.; Boterenbrood, H.; Colijn, A. P.; Daum, C.; de Jong, P.; De Nooij, L.; Doxiadis, A. D.; Ferrari, P.; Garitaonandia, H.; Geerts, D. A. A.; Gosselink, M.; Hartjes, F.; Hessey, N. P.; Igonkina, O.; Kayl, M. S.; Klous, S.; Kluit, P.; Koffeman, E.; Koutsman, A.; Lee, H.; Lenz, T.; Linde, F.; Luijckx, G.; Massaro, G.; Mechnich, J.; Mussche, I.; Ottersbach, J. P.; Reichold, A.; Rijpstra, M.; Ruckstuhl, N.; Snuverink, J.; Ta, D.; Tsiakiris, M.; Turlay, E.; van der Graaf, H.; van der Kraaij, E.; Van der Leeuw, R.; van der Poel, E.; Van Eijk, B.; van Kesteren, Z.; van Vulpen, I.; Verkerke, W.; Vermeulen, J. C.; Milosavljevic, M. Vranjes; Vreeswijk, M.] Univ Amsterdam, Amsterdam, Netherlands. [Bentvelsen, S.; Bobbink, G. J.; Bos, K.; Boterenbrood, H.; Colijn, A. P.; Daum, C.; de Jong, P.; De Nooij, L.; Doxiadis, A. D.; Ferrari, P.; Garitaonandia, H.; Geerts, D. A. A.; Gosselink, M.; Hartjes, F.; Hessey, N. P.; Igonkina, O.; Kayl, M. S.; Klous, S.; Kluit, P.; Koffeman, E.; Koutsman, A.; Lee, H.; Lenz, T.; Linde, F.; Luijckx, G.; Massaro, G.; Mechnich, J.; Mussche, I.; Ottersbach, J. P.; Reichold, A.; Rijpstra, M.; Ruckstuhl, N.; Snuverink, J.; Ta, D.; Tsiakiris, M.; Turlay, E.; van der Graaf, H.; van der Kraaij, E.; Van der Leeuw, R.; van der Poel, E.; Van Eijk, B.; van Kesteren, Z.; van Vulpen, I.; Verkerke, W.; Vermeulen, J. C.; Milosavljevic, M. Vranjes; Vreeswijk, M.] Nikhef Natl Inst Subat Phys, Amsterdam, Netherlands. [Calkins, R.; Chakraborty, D.; de Lima, J. G. Rocha; Suhr, C.; Zutshi, V.] No Illinois Univ, Dept Phys, De Kalb, IL USA. [Beloborodova, O.; Bobrovnikov, V. B.; Bogdanchikov, A.; Kazanin, V. A.; Kolachev, G. M.; Korol, A.; Malyshev, V.; Maslennikov, A. L.; Maximov, D. A.; Orlov, I.; Peleganchuk, S. V.; Schamov, A. G.; Skovpen, K.; Soukharev, A.; Talyshev, A.; Tikhonov, Y. A.; Zaytsev, A.] BINP, Novosibirsk, Russia. [Budick, B.; Casadei, D.; Cranmer, K.; van Huysduynen, L. Hooft; Konoplich, R.; Krasznahorkay, A.; Lewis, G. H.; Mincer, A. I.; Nemethy, P.; Neves, R. M.; Prokofiev, K.; Shibata, A.; Zhao, L.] NYU, Dept Phys, New York, NY 10003 USA. [Fernando, W.; Fisher, M. J.; Gan, K. K.; Kagan, H.; Kass, R. D.; Moss, J.; Rahimi, A. M.; Strang, M.] Ohio State Univ, Columbus, OH 43210 USA. [Nakano, I.] Okayama Univ, Fac Sci, Okayama 700, Japan. [Abbott, B.; Gutierrez, P.; Huang, G. S.; Jana, D. K.; Marzin, A.; Meera-Lebbai, R.; Saleem, M.; Severini, H.; Skubic, P.; Snow, J.; Strauss, M.] Univ Oklahoma, Homer L Dodge Dept Phys & Astron, Norman, OK 73019 USA. [Abi, B.; Khanov, A.; Rizatdinova, F.] Oklahoma State Univ, Dept Phys, Stillwater, OK 74078 USA. [Hamal, P.; Kocnar, A.; Nozka, L.] Palacky Univ, RCPTM, CR-77147 Olomouc, Czech Republic. [Brau, J. E.; Potter, C. T.; Ptacek, E.; Reinsch, A.; Robinson, M.; Searcy, J.; Shamim, M.; Sinev, N. B.; Strom, D. M.; Torrence, E.] Univ Oregon, Ctr High Energy Phys, Eugene, OR 97403 USA. [Abreu, H.; Andari, N.; Arnault, C.; Auge, E.; Barrillon, P.; Benoit, M.; Binet, S.; Blanchard, J-B.; Bourdarios, C.; Breton, D.; Collard, C.; De la Taille, C.; De Regie, J. B. De Vivie; Diglio, S.; Duflot, L.; Escalier, M.; Fayard, L.; Fournier, D.; Grivaz, J. -F.; Heller, M.; Henrot-Versille, S.; Hrivnac, J.; Iconomidou-Fayard, L.; Idarraga, J.; Kado, M.; Lounis, A.; Makovec, N.; Matricon, P.; Niedercorn, F.; Poggioli, L.; Puzo, P.; Renaud, A.; Rousseau, D.; Ruan, X.; Rybkin, G.; Sauvan, J. B.; Schaarschmidt, J.; Schaffer, A. C.; Serin, L.; Simion, S.; Tanaka, R.; Teinturier, M.; Veillet, J. J.; Vukotic, I.; Wicek, F.; Zerwas, D.; Zhang, Z.] Univ Paris 11, LAL, Orsay, France. [Abreu, H.; Andari, N.; Arnault, C.; Auge, E.; Barrillon, P.; Benoit, M.; Binet, S.; Blanchard, J-B.; Bourdarios, C.; Breton, D.; Collard, C.; De la Taille, C.; De Regie, J. B. De Vivie; Diglio, S.; Duflot, L.; Escalier, M.; Fayard, L.; Fournier, D.; Grivaz, J. -F.; Heller, M.; Henrot-Versille, S.; Hrivnac, J.; Iconomidou-Fayard, L.; Idarraga, J.; Kado, M.; Lounis, A.; Makovec, N.; Matricon, P.; Niedercorn, F.; Poggioli, L.; Puzo, P.; Renaud, A.; Rousseau, D.; Ruan, X.; Rybkin, G.; Sauvan, J. B.; Schaarschmidt, J.; Schaffer, A. C.; Serin, L.; Simion, S.; Tanaka, R.; Teinturier, M.; Veillet, J. J.; Vukotic, I.; Wicek, F.; Zerwas, D.; Zhang, Z.] CNRS, IN2P3, F-91405 Orsay, France. [Hanagaki, K.; Hirose, M.; Meguro, T.; Nomachi, M.; Sugaya, Y.] Osaka Univ, Grad Sch Sci, Osaka, Japan. [Bugge, L.; Buran, T.; Cameron, D.; Czyczula, Z.; Gjelsten, B. K.; Lund, E.; Ould-Saada, F.; Pajchel, K.; Pylypchenko, Y.; Read, A. L.; Rohne, O.; Samset, B. H.; Stapnes, S.; Strandlie, A.] Univ Oslo, Dept Phys, Oslo, Norway. [Abdesselam, A.; Apolle, R.; Barr, A. J.; Beauchemin, P. H.; Boddy, C. R.; Buchanan, J.; Buckingham, R. M.; Buira-Clark, D.; Coe, P.; Coniavitis, E.; Cooper-Sarkar, A. M.; Davies, E.; Dehchar, M.; Doglioni, C.; Farrington, S. M.; Gallas, E. J.; Gilbert, L. M.; Gwenlan, C.; Hawes, B. M.; Horton, K.; Howell, D. F.; Huffman, T. B.; Issever, C.; Karagoz, M.; King, R. S. B.; Korn, A.; Kundu, N.; Larner, A.; Lavorato, A.; Lewis, A.; Liang, Z.; Livermore, S. S. A.; Loken, J.; Mattravers, C.; Mermod, P.; Nickerson, R. B.; Pinder, A.; Ryder, N. C.; Short, D.; Tseng, J. C-L.; Vickey, T.; Viehhauser, G. H. A.; Weidberg, A. R.; Whitehead, S. R.; Wooden, G.] Univ Oxford, Dept Phys, Oxford, England. [Cambiaghi, M.; Conta, C.; Ferrari, R.; Franchino, S.; Fraternali, M.; Gaudio, G.; Livan, M.; Negri, A.; Polesello, G.; Rebuzzi, D. M.; Rimoldi, A.; Uslenghi, M.; Vercesi, V.] Ist Nazl Fis Nucl, Sez Pavia, I-27100 Pavia, Italy. [Cambiaghi, M.; Conta, C.; Franchino, S.; Fraternali, M.; Livan, M.; Negri, A.; Rebuzzi, D. M.; Rimoldi, A.; Uslenghi, M.] Univ Pavia, Dipartimento Fis Nucl & Teor, I-27100 Pavia, Italy. [Alison, J.; Degenhardt, J.; Donega, M.; Dressnandt, N.; Fratina, S.; Hance, M.; Hines, E.; Hong, T. M.; Jackson, B.; Kroll, J.; Kunkle, J.; LeGeyt, B. C.; Lipeles, E.; Martin, F. F.; Olivito, D.; Ospanov, R.; Reece, R.; Stahlman, J.; Thomson, E.; Wagner, P.; Williams, H. H.] Univ Penn, Dept Phys, Philadelphia, PA 19104 USA. [Fedin, O. L.; Gratchev, V.; Grebenyuk, O. G.; Maleev, V. P.; Nesterov, S. Y.; Ryabov, Y. F.; Schegelsky, V. A.; Sedykh, E.; Seliverstov, D. M.; Zalite, Yo. K.] Petersburg Nucl Phys Inst, Gatchina, Russia. [Bertolucci, F.; Cascella, M.; Cavasinni, V.; Crescioli, F.; Del Prete, T.; Dotti, A.; Francavilla, P.; Giangiobbe, V.; Lupi, A.; Mazzoni, E.; Roda, C.; Sarri, F.; Zenonos, Z.] Ist Nazl Fis Nucl, Sez Pisa, Pisa, Italy. [Bertolucci, F.; Cascella, M.; Cavasinni, V.; Crescioli, F.; Del Prete, T.; Dotti, A.; Francavilla, P.; Giangiobbe, V.; Lupi, A.; Mazzoni, E.; Roda, C.; Sarri, F.; Zenonos, Z.] Univ Pisa, Dipartimento Fis E Fermi, Pisa, Italy. [Boudreau, J.; Cleland, W.; Escobar, C.; Kittelmann, T.; Mueller, J.; Paolone, V.; Prieur, D.; Savinov, V.; Wendler, S.; Yoosoofmiya, R.] Univ Pittsburgh, Dept Phys & Astron, Pittsburgh, PA 15260 USA. [Aguilar-Saavedra, J. A.; Amorim, A.; Anjos, N.; Carvalho, J.; Castro, N. F.; Conde Muino, P.; Do Valle Wemans, A.; Fiolhais, M. C. N.; Gomes, A.; Jorge, P. M.; Machado Miguens, J.; Maio, A.; Maneira, J.; Oliveira, M.; Palma, A.; Pina, J.; Pinto, B.; Santos, H.; Saraiva, J. G.; Silva, J.; Soares, M.; Veloso, F.; Wolters, H.] Lab Instrumentacao & Fis Expt Particulas LIP, Lisbon, Portugal. [Aguilar-Saavedra, J. A.] Univ Granada, CAFPE, Granada, Spain. [Aguilar-Saavedra, J. A.] Univ Granada, Dept Fis Teor & Cosmos, Granada, Spain. [Chudoba, J.; Gallus, P.; Gunther, J.; Hruska, I.; Juranek, V.; Kepka, O.; Kupco, A.; Kus, V.; Lipinsky, L.; Lokajicek, M.; Marcisovsky, M.; Mikestikova, M.; Myska, M.; Nemecek, S.; Panuskova, M.; Ruzicka, P.; Schovancova, J.; Sicho, P.; Staroba, P.; Svatos, M.; Tasevsky, M.; Tic, T.; Valenta, J.; Vrba, V.; Zeman, M.] Acad Sci Czech Republic, Inst Phys, Prague, Czech Republic. [Davidek, T.; Dolejsi, J.; Dolezal, Z.; Drasal, Z.; Kodys, P.; Leitner, R.; Novakova, J.; Rybar, M.; Spousta, M.; Strachota, P.; Suk, M.; Sykora, T.; Tas, P.; Valkar, S.; Vorobel, V.; Wilhelm, I.] Charles Univ Prague, Fac Math & Phys, Prague, Czech Republic. [Augsten, K.; Holy, T.; Horazdovsky, T.; Hubacek, Z.; Jakubek, J.; Kohout, Z.; Kral, V.; Krejci, F.; Pospisil, S.; Simak, V.; Slavicek, T.; Smolek, K.; Sodomka, J.; Solar, M.; Solc, J.; Sopko, V.; Sopko, B.; Stekl, I.; Turecek, D.; Vacek, V.; Vlasak, M.; Vokac, P.] Czech Tech Univ, CR-16635 Prague, Czech Republic. [Ammosov, V. V.; Borisov, A.; Bozhko, N. I.; Denisov, S. P.; Fakhrutdinov, R. M.; Fenyuk, A. B.; Gapienko, V. A.; Golovnia, S. N.; Gorokhov, S. A.; Goryachev, V. N.; Gushchin, V. N.; Ivashin, A. V.; Kabachenko, V. V.; Karyukhin, A. N.; Kholodenko, A. G.; Kiver, A. M.; Kopikov, S. V.; Koreshev, V.; Korotkov, V. A.; Kozhin, A. S.; Larionov, A. V.; Levitski, M. S.; Minaenko, A. A.; Mitrofanov, G. Y.; Moisseev, A. M.; Myagkov, A. G.; Nikolaenko, V.; Pleskach, A. V.; Ryadovikov, V.; Solodkov, A. A.; Solovyanov, O. V.; Starchenko, E. A.; Sviridov, Yu. M.; Vorobiev, A. P.; Zaets, V. G.; Zaitsev, A. M.; Zenin, O.; Zmouchko, V. V.] State Res Ctr Inst High Energy Phys, Protvino, Russia. [Apolle, R.; Baines, J. T.; Barnett, B. M.; Botterill, D.; Burke, S.; Clifft, R. W.; Davies, E.; Dewhurst, A.; Emeliyanov, D.; Fisher, S. M.; Gallop, B. J.; Gee, C. N. P.; Gillman, A. R.; Greenfield, D.; Haywood, S. J.; Kirk, J.; Mattravers, C.; McCubbin, N. A.; McMahon, S. J.; Middleton, R. P.; Murray, W. J.; Nash, M.; Norton, P. R.; Phillips, P. W.; Sankey, D. P. C.; Scott, W. G.; Strube, J.; Tyndel, M.; Weber, M.; Wickens, F. J.; Wielers, M.] Rutherford Appleton Lab, Particle Phys Dept, Didcot OX11 0QX, Oxon, England. [Benslama, K.; Ju, X.; Ming, Y.; Smit, G. V. Ybeles] Univ Regina, Dept Phys, Regina, SK S4S 0A2, Canada. [Tanaka, S.] Ritsumeikan Univ, Kusatsu, Shiga, Japan. [Anulli, F.; Artoni, G.; Bagnaia, P.; Bini, C.; Caloi, R.; Ciapetti, G.; D'Orazio, A.; De Pedis, D.; De Salvo, A.; Dionisi, C.; Falciano, S.; Gentile, S.; Giagu, S.; Lacava, F.; Lo Sterzo, F.; Luci, C.; Luminari, L.; Maiani, C.; Marzano, F.; Mastrandrea, P.; Mirabelli, G.; Nisati, A.; Pasqualucci, E.; Petrolo, E.; Pontecorvo, L.; Rescigno, M.; Rosati, S.; Rossi, E.; Tehrani, F. Safai; Sidoti, A.; Camillocci, E. Solfaroli; Spila, F.; Valente, P.; Vari, R.; Veneziano, S.; Zanello, L.] Ist Nazl Fis Nucl, Sez Roma 1, Rome, Italy. [Artoni, G.; Bagnaia, P.; Bini, C.; Caloi, R.; Ciapetti, G.; D'Orazio, A.; Dionisi, C.; Gentile, S.; Giagu, S.; Lacava, F.; Lo Sterzo, F.; Luci, C.; Maiani, C.; Mastrandrea, P.; Rosati, S.; Rossi, E.; Tehrani, F. Safai; Sidoti, A.; Camillocci, E. Solfaroli; Spila, F.; Zanello, L.] Univ Roma La Sapienza, Dipartimento Fis, I-00185 Rome, Italy. [Aielli, G.; Camarri, P.; Cardarelli, R.; Cattani, G.; Di Ciaccio, A.; Di Nardo, R.; Di Simone, A.; Liberti, B.; Marchese, F.; Salamon, A.; Santonico, R.] Ist Nazl Fis Nucl, Sez Roma Tor Vergata, Rome, Italy. [Aielli, G.; Camarri, P.; Cattani, G.; Di Ciaccio, A.; Di Nardo, R.; Di Simone, A.; Marchese, F.; Santonico, R.] Univ Roma Tor Vergata, Dipartimento Fis, I-00173 Rome, Italy. [Bacci, C.; Baroncelli, A.; Biglietti, M.; Branchini, P.; Ceradini, F.; Di Luise, S.; Farilla, A.; Graziani, E.; Iodice, M.; Orestano, D.; Passeri, A.; Pastore, F.; Petrucci, F.; Ruggieri, F.; Spiriti, E.; Stanescu, C.] Ist Nazl Fis Nucl, Sez Roma Tre, Rome, Italy. [Bacci, C.; Biglietti, M.; Ceradini, F.; Di Luise, S.; Orestano, D.; Pastore, F.; Petrucci, F.; Ruggieri, F.] Univ Roma Tre, Dipartimento Fis, Rome, Italy. [Benchekroun, D.; Chafaq, A.; Gouighri, M.; Hoummada, A.; Lablak, S.] Univ Hassan 2, Reseau Univ Phys Hautes Energies, Fac Sci Ain Chock, Casablanca, Morocco. [Ghazlane, H.] Ctr Natl Energie Sci Tech Nucl, Rabat, Morocco. [El Kacimi, M.; Goujdami, D.] Univ Cadi Ayyad, Fac Sci Semlalia, Dept Phys, Marrakech 40000, Morocco. [Derkaoui, J. E.; Ouchrif, M.; Tayalati, Y.] LPTPM, Oujda, Morocco. [Derkaoui, J. E.; Ouchrif, M.; Tayalati, Y.] Univ Mohamed Premier, Fac Sci, Oujda, Morocco. [Cherkaoui El Moursli, R.] Univ Mohammed 5, Fac Sci, Rabat, Morocco. [Bachacou, H.; Bauer, F.; Besson, N.; Bolnet, N. M.; Boonekamp, M.; Chevalier, L.; Ernwein, J.; Formica, A.; Gauthier, L.; Giraud, P. F.; Guyot, C.; Hassani, S.; Kozanecki, W.; Lancon, E.; Laporte, J. F.; Le Menedeu, E.; Legendre, M.; Mansoulie, B.; Meyer, J-P.; Morange, N.; Mountricha, E.; Hong, V. Nguyen Thi; Nicolaidou, R.; Ouraou, A.; Pomarede, D. M.; Resende, B.; Royon, C. R.; Schune, Ph.; Schwindling, J.; Simard, O.; Virchaux, M.; Xu, C.; Yu, J.] CEA Saclay Commissariat Energie Atom, DSM IRFU Inst Rech Lois Fondamentales Univers, Gif Sur Yvette, France. [Bangert, A.; Chouridou, S.; Damiani, D. S.; Dubbs, T.; Fowler, K.; Grillo, A. A.; Hare, G. A.; Litke, A. M.; Lockman, W. S.; Manning, P. M.; Mitrevski, J.; Nielsen, J.; Sadrozinski, H. F-W.; Schumm, B. A.; Seiden, A.] Univ Calif Santa Cruz, Santa Cruz Inst Particle Phys, Santa Cruz, CA 95064 USA. [Forbush, D. A.; Goussiou, A. G.; Griffiths, J.; Harris, O. M.; Kuykendall, W.; Lubatti, H. J.; Mockett, P.; Policicchio, A.; Rothberg, J.; Ventura, D.; Verducci, M.; Wang, J. C.; Watts, G.; Zhao, T.] Univ Washington, Dept Phys, Seattle, WA 98195 USA. [Booth, C. N.; Costanzo, D.; Donszelmann, T. Cuhadar; Dawson, I.; Duxfield, R.; Hodgkinson, M. C.; Hodgson, P.; Johansson, P.; Korolkova, E. V.; Mayne, A.; Mcfayden, J. A.; Miyagawa, P. S.; Nicolas, L.; Owen, S.; Paganis, E.; Suruliz, K.; Tovey, D. R.; Tua, A.; Xu, D.] Univ Sheffield, Dept Phys & Astron, Sheffield, S Yorkshire, England. [Hasegawa, Y.; Ohshita, H.; Takeshita, T.] Shinshu Univ, Dept Phys, Nagano, Japan. [Buchholz, P.; Czirr, H.; Fleck, I.; Gaur, B.; Grybel, K.; Holder, M.; Ibragimov, I.; Rammes, M.; Rosenthal, O.; Sipica, V.; Stahl, T.; Walkowiak, W.; Ziolkowski, M.] Univ Siegen, Fachbereich Phys, D-5900 Siegen, Germany. [Dawe, E.; Godfrey, J.; O'Neil, D. C.; Petteni, M.; Schouten, D.; Stelzer, B.; Trottier-McDonald, M.; Vetterli, M. C.] Simon Fraser Univ, Dept Phys, Burnaby, BC V5A 1S6, Canada. [Aracena, I.; Barklow, T.; Bartoldus, R.; Bawa, H. S.; Butler, B.; Cogan, J. G.; Gao, Y. S.; Grenier, P.; Haas, A.; Hansson, P.; Horn, C.; Jackson, P.; Kenney, C. J.; Kim, P. C.; Kocian, M.; Koi, T.; Lowe, A. J.; Malone, C.; Mount, R.; Nelson, S.; Nelson, T. K.; Salnikov, A.; Schwartzman, A.; Silverstein, D.; Smith, D.; Strauss, E.; Su, D.; Wilson, M. G.; Wittgen, M.; Young, C.] SLAC Natl Accelerator Lab, Stanford, CA USA. [Batkova, L.; Blazek, T.; Federic, P.; Pecsy, M.; Stavina, P.; Sykora, I.; Tokar, S.; Zenis, T.] Comenius Univ, Fac Math Phys & Informat, Bratislava, Slovakia. [Antos, J.; Bruncko, D.; Ferencei, J.; Kladiva, E.; Seman, M.; Strizenec, P.] Slovak Acad Sci, Inst Expt Phys, Dept Subnucl Phys, Kosice 04353, Slovakia. [Aurousseau, M.] Univ Johannesburg, Dept Phys, Johannesburg, South Africa. [Leney, K. J. C.; Vickey, T.; Boeriu, O. E. Vickey; Yacoob, S.] Univ Witwatersrand, Sch Phys, Johannesburg, South Africa. [Asman, B.; Bohm, C.; Clement, C.; Eriksson, D.; Gellerstedt, K.; Hellman, S.; Hidvegi, A.; Holmgren, S. O.; Johansen, M.; Johansson, K. E.; Jon-And, K.; Lesser, J.; Lundberg, J.; Milstead, D. A.; Moa, T.; Nordkvist, B.; Ohm, C. C.; Papadelis, A.; Ramstedt, M.; Sellden, B.; Silverstein, S. B.; Sjolin, J.; Strandberg, S.; Tylmad, M.; Yang, Z.] Stockholm Univ, Dept Phys, S-10691 Stockholm, Sweden. [Asman, B.; Clement, C.; Gellerstedt, K.; Hellman, S.; Johansen, M.; Jon-And, K.; Lundberg, J.; Milstead, D. A.; Moa, T.; Nordkvist, B.; Ohm, C. C.; Ramstedt, M.; Sjolin, J.; Strandberg, S.; Tylmad, M.; Yang, Z.] Oskar Klein Ctr, Stockholm, Sweden. [Lund-Jensen, B.; Strandberg, J.] Royal Inst Technol, Dept Phys, S-10044 Stockholm, Sweden. [Ahmad, A.; Caputo, R.; Deluca, C.; Devetak, E.; DeWilde, B.; Engelmann, R.; Farley, J.; Goodson, J. J.; Grassi, V.; Gray, J. A.; Hobbs, J.; Jia, J.; McCarthy, R. L.; Mohapatra, S.; Rijssenbeek, M.; Schamberger, R. D.; Stupak, J.; Tsybychev, D.; Yurkewicz, A.] SUNY Stony Brook, Dept Phys & Astron, Stony Brook, NY USA. [Bartsch, V.; De Santo, A.; Martin-Haugh, S.; Potter, C. J.; Rose, A.; Salvatore, F.; Sutton, M. R.] Univ Sussex, Dept Phys & Astron, Brighton, E Sussex, England. [Lee, J. S. H.; Patel, N.; Saavedra, A. F.; Varvell, K. E.; Waugh, A. T.; Yabsley, B.] Univ Sydney, Sch Phys, Sydney, NSW 2006, Australia. Acad Sinica, Inst Phys, Acad Sinica Grid Comp, Taipei, Taiwan. [Harpaz, S. Behar; Ben Ami, S.; Bressler, S.; Hershenhorn, A. D.; Kajomovitz, E.; Landsman, H.; Lifshitz, R.; Rozen, Y.; Tarem, S.; Vallecorsa, S.] Technion Israel Inst Technol, Dept Phys, IL-32000 Haifa, Israel. [Abramowicz, H.; Alexander, G.; Amram, N.; Bella, G.; Benary, O.; Benhammou, Y.; Brodet, E.; Etzion, E.; Gershon, A.; Ginzburg, J.; Guttman, N.; Hod, N.; Kreisel, A.; Mahalalel, Y.; Munwes, Y.; Oren, Y.; Reinherz-Aronis, E.; Sadeh, I.; Silver, Y.; Soffer, A.; Taiblum, N.; Urkovsky, E.] Tel Aviv Univ, Raymond & Beverly Sackler Sch Phys & Astron, IL-69978 Tel Aviv, Israel. [Iliadis, D.; Kordas, K.; Kouskoura, V.; Nomidis, I.; Petridis, A.; Petridou, C.; Sampsonidis, D.] Aristotle Univ Thessaloniki, Dept Phys, GR-54006 Thessaloniki, Greece. [Akimoto, G.; Asai, S.; Azuma, Y.; Dohmae, T.; Imori, M.; Kanaya, N.; Kataoka, Y.; Kawamoto, T.; Kessoku, K.; Kobayashi, T.; Komori, Y.; Mashimo, T.; Masubuchi, T.; Matsumoto, H.; Matsunaga, H.; Nakamura, K.; Ninomiya, Y.; Oda, S.; Okuyama, T.; Sakamoto, H.; Tanaka, J.; Terashi, K.; Ueda, I.; Yamaguchi, H.; Yamamoto, S.; Yamamura, T.; Yamanaka, T.; Yamazaki, T.] Univ Tokyo, Dept Phys, Tokyo 113, Japan. [Akimoto, G.; Asai, S.; Azuma, Y.; Dohmae, T.; Imori, M.; Kanaya, N.; Kataoka, Y.; Kawamoto, T.; Kessoku, K.; Kobayashi, T.; Komori, Y.; Mashimo, T.; Masubuchi, T.; Matsumoto, H.; Matsunaga, H.; Nakamura, K.; Ninomiya, Y.; Oda, S.; Okuyama, T.; Sakamoto, H.; Tanaka, J.; Terashi, K.; Ueda, I.; Yamaguchi, H.; Yamamoto, S.; Yamamura, T.; Yamanaka, T.; Yamazaki, T.] Univ Tokyo, Int Ctr Elementary Particle Phys, Tokyo 113, Japan. [Bratzler, U.; Fukunaga, C.] Tokyo Metropolitan Univ, Grad Sch Sci & Technol, Tokyo 158, Japan. [Jinnouchi, O.; Kanno, T.; Kuze, M.] Tokyo Inst Technol, Dept Phys, Tokyo 152, Japan. [Bailey, D. C.; Bain, T.; Beare, B.; Brelier, B.; Cheung, S. L.; Deviveiros, P. O.; Dhaliwal, S.; Farooque, T.; Fatholahzadeh, B.; Gibson, A.; Guo, B.; Jankowski, E.; Keung, J.; Knecht, N. S.; Krieger, P.; Le Maner, C.; Martens, F. K.; Orr, R. S.; Rezvani, R.; Rosenbaum, G. A.; Savard, P.; Sinervo, P.; Spreitzer, T.; Tardif, D.; Teuscher, R. J.; Thompson, P. D.; Trischuk, W.] Univ Toronto, Dept Phys, Toronto, ON, Canada. [Azuelos, G.; Canepa, A.; Caron, B.; Chekulaev, S. V.; Fortin, D.; Gingrich, D. M.; Losty, M. J.; Nugent, I. M.; Oakham, F. G.; Oram, C. J.; Savard, P.; Stelzer-Chilton, O.; Tafirout, R.; Trigger, I. M.; Vetterli, M. C.] TRIUMF, Vancouver, BC V6T 2A3, Canada. [Palacino, G.; Taylor, W.] York Univ, Dept Phys & Astron, Toronto, ON M3J 2R7, Canada. [Hara, K.; Kim, S. H.; Kurata, M.; Nagai, K.; Ukegawa, F.] Univ Tsukuba, Inst Pure & Appl Sci, Ibaraki, Japan. [Hamilton, S.; Napier, A.; Rolli, S.; Sliwa, K.; Todorova-Nova, S.] Tufts Univ, Ctr Sci & Technol, Medford, MA 02155 USA. [Losada, M.; Loureiro, K. F.; Mendoza Navas, L.; Navarro, G.; Rodriguez, D.; Sandoval, C.] Univ Antonio Narino, Ctr Invest, Bogota, Colombia. [Avolio, G.; Bold, T.; Bondioli, M.; Ciobotaru, M. D.; Deng, J.; Dobson, M.; Eschrich, I. Gough; Grabowska-Bold, I.; Hawkins, D.; Lankford, A. J.; Okawa, H.; Porter, R.; Scannicchio, D. A.; Schernau, M.; Taffard, A.; Toggerson, B.; Unel, G.; Werth, M.; Wheeler-Ellis, S. J.; Whiteson, D.; Zhou, N.] Univ Calif Irvine, Dept Phys & Astron, Irvine, CA USA. [Acharya, B. S.; Cauz, D.; Cobal, M.; De Lotto, B.; De Sanctis, U.; Del Papa, C.; Pinamonti, M.; Shaw, K.] Ist Nazl Fis Nucl, Grp Coll Udine, Udine, Italy. [Acharya, B. S.] Abdus Salaam Int Ctr Theoret Phys, Trieste, Italy. [Cauz, D.; Cobal, M.; De Lotto, B.; De Sanctis, U.; Del Papa, C.; Giordani, M. P.; Pinamonti, M.; Shaw, K.] Univ Udine, Dipartimento Fis, I-33100 Udine, Italy. [Benekos, N.; Coggeshall, J.; Cortes-Gonzalez, A.; Errede, D.; Errede, S.; Khandanyan, H.; Lie, K.; Liss, T. M.; McCarn, A.; Neubauer, M. S.; Vichou, I.] Univ Illinois, Dept Phys, Urbana, IL 61801 USA. [Brenner, R.; Buszello, C. P.; Ekelof, T.; Ellert, M.; Ferrari, A.] Uppsala Univ, Dept Phys & Astron, Uppsala, Sweden. [Amoros, G.; Cabrera Urban, S.; Castillo Gimenez, V.; Costa, M. J.; Ferrer, A.; Fiorini, L.; Fuster, J.; Garcia, C.; Gonzalez de la Hoz, S.; Hernandez Jimenez, Y.; Higon-Rodriguez, E.; Irles Quiles, A.; Kaci, M.; Lacasta, C.; Lacuesta, V. R.; Marti-Garcia, S.; Minano, M.; Mitsou, V. A.; Moles-Valls, R.; Moreno Llacer, M.; Oliver Garcia, E.; Perez Garcia-Estan, M. T.; Ros, E.; Salt, J.; Solans, C. A.; Soldevila, U.; Sanchez, J.; Torro Pastor, E.; Valladolid Gallego, E.; Valls Ferrer, J. A.; Villaplana Perez, M.; Vos, M.; Wildauer, A.] Univ Valencia, Inst Microelect Barcelona IMB CNM, Valencia, Spain. [Amoros, G.; Cabrera Urban, S.; Castillo Gimenez, V.; Costa, M. J.; Ferrer, A.; Fiorini, L.; Fuster, J.; Garcia, C.; Gonzalez de la Hoz, S.; Hernandez Jimenez, Y.; Higon-Rodriguez, E.; Irles Quiles, A.; Kaci, M.; Lacasta, C.; Lacuesta, V. R.; Marti-Garcia, S.; Minano, M.; Mitsou, V. A.; Moles-Valls, R.; Moreno Llacer, M.; Oliver Garcia, E.; Perez Garcia-Estan, M. T.; Ros, E.; Salt, J.; Solans, C. A.; Soldevila, U.; Sanchez, J.; Torro Pastor, E.; Valladolid Gallego, E.; Valls Ferrer, J. A.; Villaplana Perez, M.; Vos, M.; Wildauer, A.] CSIC, Valencia, Spain. [Amoros, G.; Cabrera Urban, S.; Castillo Gimenez, V.; Costa, M. J.; Ferrer, A.; Fiorini, L.; Fuster, J.; Garcia, C.; Gonzalez de la Hoz, S.; Hernandez Jimenez, Y.; Higon-Rodriguez, E.; Irles Quiles, A.; Kaci, M.; Lacasta, C.; Lacuesta, V. R.; Marti-Garcia, S.; Minano, M.; Mitsou, V. A.; Moles-Valls, R.; Moreno Llacer, M.; Oliver Garcia, E.; Perez Garcia-Estan, M. T.; Ros, E.; Salt, J.; Solans, C. A.; Soldevila, U.; Sanchez, J.; Torro Pastor, E.; Valladolid Gallego, E.; Valls Ferrer, J. A.; Villaplana Perez, M.; Vos, M.; Wildauer, A.] Univ Valencia, Inst Fis Corpuscular IFIC, Valencia, Spain. [Amoros, G.; Cabrera Urban, S.; Castillo Gimenez, V.; Costa, M. J.; Ferrer, A.; Fiorini, L.; Fuster, J.; Garcia, C.; Gonzalez de la Hoz, S.; Hernandez Jimenez, Y.; Higon-Rodriguez, E.; Irles Quiles, A.; Kaci, M.; Lacasta, C.; Lacuesta, V. R.; Marti-Garcia, S.; Minano, M.; Mitsou, V. A.; Moles-Valls, R.; Moreno Llacer, M.; Oliver Garcia, E.; Perez Garcia-Estan, M. T.; Ros, E.; Salt, J.; Solans, C. A.; Soldevila, U.; Sanchez, J.; Torro Pastor, E.; Valladolid Gallego, E.; Valls Ferrer, J. A.; Villaplana Perez, M.; Vos, M.; Wildauer, A.] Univ Valencia, Dept Fis Atom Mol & Nucl, Valencia, Spain. [Axen, D.; Gay, C.; Loh, C. W.; Mills, W. J.; Muir, A.; Swedish, S.; Viel, S.] Univ British Columbia, Dept Phys, Vancouver, BC, Canada. [Albert, J.; Astbury, A.; Bansal, V.; Berghaus, F.; Courneyea, L.; M.Fincke-Keeler; Keeler, R.; Kowalewski, R.; Lefebvre, M.; Lessard, J-R.; McPherson, R. A.; Plamondon, M.; Sobie, R.] Univ Victoria, Dept Phys & Astron, Victoria, BC, Canada. [Kimura, N.; Yorita, K.] Waseda Univ, Tokyo, Japan. [Alon, R.; Barak, L.; Duchovni, E.; Frank, T.; Gabizon, O.; Gross, E.; Groth-Jensen, J.; Klier, A.; Lellouch, D.; Levinson, L. J.; Mikenberg, G.; Milov, A.; Milstein, D.; Roth, I.; Silbert, O.; Smakhtin, V.; Vitells, O.] Weizmann Inst Sci, Dept Particle Phys, IL-76100 Rehovot, Israel. [Asfandiyarov, R.; Banerjee, Sw.; Montoya, G. D. Carrillo; Hernandez, A. M. Castaneda; Castaneda-Miranda, E.; Chen, X.; Dos Anjos, A.; Fang, Y.; Castillo, L. R. Flores; Gonzalez, S.; Gutzwiller, O.; Ji, H.; Kashif, L.; La Rosa, A.; Cheong, A. Leung Fook; Li, H.; Ma, L. L.; Garcia, B. R. Mellado; Pan, Y. B.; Pataraia, S.; Morales, M. I. Pedraza; Poveda, J.; Quayle, W. B.; Sarangi, T.; Wang, H.; Wiedenmann, W.; Wu, S. L.; Zhu, Y.; Zobernig, G.] Univ Wisconsin, Dept Phys, Madison, WI 53706 USA. [Fleischmann, P.; Meyer, J.; Redelbach, A.; Siragusa, G.; Stroehmer, R.; Trefzger, T.] Univ Wurzburg, Fak Phys & Astron, Wurzburg, Germany. [Barisonzi, M.; Becks, K. H.; Boek, J.; Braun, H. M.; Drees, J.; Fleischmann, S.; Flick, T.; Gerlach, P.; Glitza, K. W.; Gorfine, G.; Grah, C.; Hamacher, K.; Harenberg, T.; Henss, T.; Hirschbuehl, D.; Imhaeuser, M.; Kalinin, S.; Kersten, S.; Khoroshilov, A.; Kootz, A.; Lenzen, G.; Maettig, P.; Mechtel, M.; Sandhoff, M.; Sandvoss, S.; Sartisohn, G.; Schultes, J.; Siebel, A.; Sturm, P.; Thadome, J.; Voss, T. T.; Wagner, W.; Wahlen, H.; Wicke, D.; Zeitnitz, C.] Berg Univ Wuppertal, Fachbereich Phys C, Wuppertal, Germany. [Adelman, J.; Atoian, G.; Baker, O. K.; Bedikian, S.; Almenar, C. Cuenca; Demers, S.; Garberson, F.; Golling, T.; Guest, D.; Hsu, P. J.; Kaplan, B.; Lee, L.; Loginov, A.; Martin, A. J.; Sherman, D.; Thioye, M.; Tipton, P.; Wall, R.; Zeller, M.] Yale Univ, Dept Phys, New Haven, CT USA. [Grabski, V.; Hakobyan, H.] Yerevan Phys Inst, Yerevan 375036, Armenia. [Biscarat, C.; Cogneras, E.; Rahal, G.] Ctr Calcul CNRS, IN2P3, Villeurbanne, France. [Amorim, A.; Gomes, A.; Jorge, P. M.; Lopes, L.; Maio, A.; Palma, A.; Pina, J.; Pinto, B.; Saraiva, J. G.; Silva, J.] Univ Lisbon, CFNUL, Lisbon, Portugal. [Amorim, A.; Gomes, A.; Jorge, P. M.; Lopes, L.; Maio, A.; Palma, A.; Pina, J.; Pinto, B.; Saraiva, J. G.; Silva, J.] Univ Lisbon, Fac Ciencias, Lisbon, Portugal. [Bawa, H. S.; Gao, Y. S.; Lowe, A. J.] Calif State Univ Fresno, Dept Phys, Fresno, CA 93740 USA. [Canelli, F.] Fermilab Natl Accelerator Lab, Batavia, IL USA. [Carvalho, J.; Fiolhais, M. C. N.; Oliveira, M.; Wolters, H.] Univ Coimbra, Dept Phys, Coimbra, Portugal. [Conventi, F.; Della Pietra, M.] Univ Napoli Parthenope, Naples, Italy. [Demirkoz, B.] Middle E Tech Univ, Dept Phys, TR-06531 Ankara, Turkey. [Dhullipudi, R.; Greenwood, Z. D.; Sawyer, L.] Louisiana Tech Univ, Ruston, LA 71270 USA. [Kono, T.; Terwort, M.; Wildt, M. A.] Univ Hamburg, Inst Expt Phys, Hamburg, Germany. [Konoplich, R.] Manhattan Coll, New York, NY USA. [Liang, Z.; Soh, D. A.; Weng, Z.] Sun Yat Sen Univ, Sch Phys & Engn, Guangzhou, Peoples R China. [Onofre, A.] Univ Minho, Dept Fis, Braga, Portugal. [Park, W.; Purohit, M.; Trivedi, A.] Univ S Carolina, Dept Phys & Astron, Columbia, SC 29208 USA. [Pasztor, G.; Toth, J.] KFKI Res Inst Particle & Nucl Phys, Budapest, Hungary. [Perez, K.] CALTECH, Pasadena, CA 91125 USA. [Richter-Was, E.] Jagiellonian Univ, Inst Phys, Krakow, Poland. RP Aad, G (reprint author), Univ Freiburg, Fak Math & Phys, Hugstetter Str 55, D-79106 Freiburg, Germany. RI Karyukhin, Andrey/J-3904-2014; Capua, Marcella/A-8549-2015; Tartarelli, Giuseppe Francesco/A-5629-2016; la rotonda, laura/B-4028-2016; Yang, Haijun/O-1055-2015; Monzani, Simone/D-6328-2017; Grancagnolo, Francesco/K-2857-2015; Korol, Aleksandr/A-6244-2014; Cascella, Michele/B-6156-2013; messina, andrea/C-2753-2013; Amorim, Antonio/C-8460-2013; Orlov, Ilya/E-6611-2012; Annovi, Alberto/G-6028-2012; Brooks, William/C-8636-2013; Pina, Joao /C-4391-2012; Vanyashin, Aleksandr/H-7796-2013; La Rosa, Alessandro/I-1856-2013; Casadei, Diego/I-1785-2013; Moraes, Arthur/F-6478-2010; Conde Muino, Patricia/F-7696-2011; Petrucci, Fabrizio/G-8348-2012; Wemans, Andre/A-6738-2012; Fabbri, Laura/H-3442-2012; Kurashige, Hisaya/H-4916-2012; Kuzhir, Polina/H-8653-2012; Delmastro, Marco/I-5599-2012; Weigell, Philipp/I-9356-2012; Veneziano, Stefano/J-1610-2012; Di Micco, Biagio/J-1755-2012; Di Nardo, Roberto/J-4993-2012; Della Pietra, Massimo/J-5008-2012; Andreazza, Attilio/E-5642-2011; Bergeaas Kuutmann, Elin/A-5204-2013; Takai, Helio/C-3301-2012; St.Denis, Richard/C-8997-2012; Robson, Aidan/G-1087-2011; Britton, David/F-2602-2010; Li, Xuefei/C-3861-2012; Fazio, Salvatore /G-5156-2010; Smirnova, Lidia/D-8089-2012; Smirnov, Sergei/F-1014-2011; Gladilin, Leonid/B-5226-2011; Barreiro, Fernando/D-9808-2012; Kramarenko, Victor/E-1781-2012; Alexa, Calin/F-6345-2010; Moorhead, Gareth/B-6634-2009; della Volpe, Domenico/B-4482-2012; Wolter, Marcin/A-7412-2012; Rotaru, Marina/A-3097-2011; Doyle, Anthony/C-5889-2009; valente, paolo/A-6640-2010; Buttar, Craig/D-3706-2011; Gutierrez, Phillip/C-1161-2011; Ferrando, James/A-9192-2012; collins-tooth, christopher/A-9201-2012; Perrino, Roberto/B-4633-2010; Laurelli, Paolo/B-1432-2012; De Cecco, Sandro/B-1016-2012; Stoicea, Gabriel/B-6717-2011; branchini, paolo/A-4857-2011; SULIN, VLADIMIR/N-2793-2015; Olshevskiy, Alexander/I-1580-2016; Ventura, Andrea/A-9544-2015; Mora Herrera, Maria Clemencia/L-3893-2016; Maneira, Jose/D-8486-2011; Prokoshin, Fedor/E-2795-2012; KHODINOV, ALEKSANDR/D-6269-2015; Goncalo, Ricardo/M-3153-2016; Idzik, Marek/A-2487-2017; Solodkov, Alexander/B-8623-2017; Zaitsev, Alexandre/B-8989-2017; Chekulaev, Sergey/O-1145-2015; Gorelov, Igor/J-9010-2015; Carvalho, Joao/M-4060-2013; Booth, Christopher/B-5263-2016; Tikhomirov, Vladimir/M-6194-2015; Gonzalez de la Hoz, Santiago/E-2494-2016; Guo, Jun/O-5202-2015; Smirnova, Oxana/A-4401-2013; Aguilar Saavedra, Juan Antonio/F-1256-2016; Leyton, Michael/G-2214-2016; Vranjes Milosavljevic, Marija/F-9847-2016; Joergensen, Morten/E-6847-2015; Mir, Lluisa-Maria/G-7212-2015; Riu, Imma/L-7385-2014; Cabrera Urban, Susana/H-1376-2015; Cavalli-Sforza, Matteo/H-7102-2015; Ferrer, Antonio/H-2942-2015; Hansen, John/B-9058-2015; Grancagnolo, Sergio/J-3957-2015; spagnolo, stefania/A-6359-2012; Shmeleva, Alevtina/M-6199-2015; Camarri, Paolo/M-7979-2015; Gavrilenko, Igor/M-8260-2015; Jones, Roger/H-5578-2011; Mikestikova, Marcela/H-1996-2014; Snesarev, Andrey/H-5090-2013; Svatos, Michal/G-8437-2014; Chudoba, Jiri/G-7737-2014; Peleganchuk, Sergey/J-6722-2014; Santamarina Rios, Cibran/K-4686-2014; Bosman, Martine/J-9917-2014; Lei, Xiaowen/O-4348-2014; Demirkoz, Bilge/C-8179-2014; Villaplana Perez, Miguel/B-2717-2015; Livan, Michele/D-7531-2012; Mitsou, Vasiliki/D-1967-2009; Wolters, Helmut/M-4154-2013; Warburton, Andreas/N-8028-2013; De, Kaushik/N-1953-2013; Sukharev, Andrey/A-6470-2014; O'Shea, Val/G-1279-2010; Lee, Jason/B-9701-2014; Morozov, Sergey/C-1396-2014; Villa, Mauro/C-9883-2009; Nozka, Libor/G-5550-2014; Nemecek, Stanislav/G-5931-2014; Lokajicek, Milos/G-7800-2014; Staroba, Pavel/G-8850-2014; Kupco, Alexander/G-9713-2014; Boyko, Igor/J-3659-2013; Kuleshov, Sergey/D-9940-2013; Anjos, Nuno/I-3918-2013; Kartvelishvili, Vakhtang/K-2312-2013; Dawson, Ian/K-6090-2013; Solfaroli Camillocci, Elena/J-1596-2012; Marti-Garcia, Salvador/F-3085-2011; Castro, Nuno/D-5260-2011 OI Osculati, Bianca Maria/0000-0002-7246-060X; Coccaro, Andrea/0000-0003-2368-4559; De Lotto, Barbara/0000-0003-3624-4480; Karyukhin, Andrey/0000-0001-9087-4315; Anjos, Nuno/0000-0002-0018-0633; Giordani, Mario/0000-0002-0792-6039; Abdelalim, Ahmed Ali/0000-0002-2056-7894; Capua, Marcella/0000-0002-2443-6525; Di Micco, Biagio/0000-0002-4067-1592; Tartarelli, Giuseppe Francesco/0000-0002-4244-502X; Doria, Alessandra/0000-0002-5381-2649; Gomes, Agostinho/0000-0002-5940-9893; la rotonda, laura/0000-0002-6780-5829; Monzani, Simone/0000-0002-0479-2207; Veloso, Filipe/0000-0002-5956-4244; Santos, Helena/0000-0003-1710-9291; Fiolhais, Miguel/0000-0001-9035-0335; Amorim, Antonio/0000-0003-0638-2321; Grancagnolo, Francesco/0000-0002-9367-3380; Korol, Aleksandr/0000-0001-8448-218X; Maio, Amelia/0000-0001-9099-0009; Cascella, Michele/0000-0003-2091-2501; Orlov, Ilya/0000-0003-4073-0326; Annovi, Alberto/0000-0002-4649-4398; Brooks, William/0000-0001-6161-3570; Pina, Joao /0000-0001-8959-5044; Vanyashin, Aleksandr/0000-0002-0367-5666; La Rosa, Alessandro/0000-0001-6291-2142; Moraes, Arthur/0000-0002-5157-5686; Conde Muino, Patricia/0000-0002-9187-7478; Petrucci, Fabrizio/0000-0002-5278-2206; Wemans, Andre/0000-0002-9669-9500; Fabbri, Laura/0000-0002-4002-8353; Kuzhir, Polina/0000-0003-3689-0837; Delmastro, Marco/0000-0003-2992-3805; Veneziano, Stefano/0000-0002-2598-2659; Della Pietra, Massimo/0000-0003-4446-3368; Andreazza, Attilio/0000-0001-5161-5759; Takai, Helio/0000-0001-9253-8307; Britton, David/0000-0001-9998-4342; Smirnov, Sergei/0000-0002-6778-073X; Gladilin, Leonid/0000-0001-9422-8636; Barreiro, Fernando/0000-0002-3021-0258; Moorhead, Gareth/0000-0002-9299-9549; Rotaru, Marina/0000-0003-3303-5683; Doyle, Anthony/0000-0001-6322-6195; valente, paolo/0000-0002-5413-0068; Ferrando, James/0000-0002-1007-7816; Perrino, Roberto/0000-0002-5764-7337; Stoicea, Gabriel/0000-0002-7511-4614; SULIN, VLADIMIR/0000-0003-3943-2495; Olshevskiy, Alexander/0000-0002-8902-1793; Ventura, Andrea/0000-0002-3368-3413; Mora Herrera, Maria Clemencia/0000-0003-3915-3170; Maneira, Jose/0000-0002-3222-2738; Prokoshin, Fedor/0000-0001-6389-5399; KHODINOV, ALEKSANDR/0000-0003-3551-5808; Goncalo, Ricardo/0000-0002-3826-3442; Solodkov, Alexander/0000-0002-2737-8674; Zaitsev, Alexandre/0000-0002-4961-8368; Gorelov, Igor/0000-0001-5570-0133; Carvalho, Joao/0000-0002-3015-7821; Booth, Christopher/0000-0002-6051-2847; Tikhomirov, Vladimir/0000-0002-9634-0581; Gonzalez de la Hoz, Santiago/0000-0001-5304-5390; Guo, Jun/0000-0001-8125-9433; Smirnova, Oxana/0000-0003-2517-531X; Aguilar Saavedra, Juan Antonio/0000-0002-5475-8920; Leyton, Michael/0000-0002-0727-8107; Vranjes Milosavljevic, Marija/0000-0003-4477-9733; Joergensen, Morten/0000-0002-6790-9361; Mir, Lluisa-Maria/0000-0002-4276-715X; Riu, Imma/0000-0002-3742-4582; Ferrer, Antonio/0000-0003-0532-711X; Hansen, John/0000-0002-8422-5543; Grancagnolo, Sergio/0000-0001-8490-8304; spagnolo, stefania/0000-0001-7482-6348; Camarri, Paolo/0000-0002-5732-5645; Jones, Roger/0000-0002-6427-3513; Mikestikova, Marcela/0000-0003-1277-2596; Svatos, Michal/0000-0002-7199-3383; Peleganchuk, Sergey/0000-0003-0907-7592; Santamarina Rios, Cibran/0000-0002-9810-1816; Bosman, Martine/0000-0002-7290-643X; Lei, Xiaowen/0000-0002-2564-8351; Villaplana Perez, Miguel/0000-0002-0048-4602; Livan, Michele/0000-0002-5877-0062; Mitsou, Vasiliki/0000-0002-1533-8886; Wolters, Helmut/0000-0002-9588-1773; Warburton, Andreas/0000-0002-2298-7315; De, Kaushik/0000-0002-5647-4489; O'Shea, Val/0000-0001-7183-1205; Lee, Jason/0000-0002-2153-1519; Morozov, Sergey/0000-0002-6748-7277; Villa, Mauro/0000-0002-9181-8048; Boyko, Igor/0000-0002-3355-4662; Kuleshov, Sergey/0000-0002-3065-326X; Solfaroli Camillocci, Elena/0000-0002-5347-7764; Castro, Nuno/0000-0001-8491-4376 FU ANPCyT, Argentina; YerPhI, Armenia; ARC, Australia; BMWF, Austria; ANAS, Azerbaijan; SSTC, Belarus; CNPq; FAPESP, Brazil; NSERC; NRC; CFI, Canada; CERN; CONICYT, Chile; CAS; MOST; NSFC, China; COLCIENCIAS, Colombia; MSMT CR; MPO CR; VSC CR, Czech Republic; DNRF; DNSRC; Lundbeck Foundation, Denmark; ARTEMIS; European Union; IN2P3-CNRS; CEA-DSM/IRFU, France; GNAS, Georgia; BMBF; DFG; HGF; MPG; AvH Foundation, Germany; GSRT, Greece; ISF; MINERVA; GIF; DIP; Benoziyo Center, Israel; INFN, Italy; MEXT; JSPS, Japan; CNRST, Morocco; FOM; NWO, Netherlands; RCN, Norway; MNiSW, Poland; GRICES; FCT, Portugal; MERYS (MECTS), Romania; MES of Russia; ROSATOM, Russian Federation; JINR; MSTD, Serbia; MSSR, Slovakia; ARRS; MVZT, Slovenia; DST/NRF, South Africa; MICINN, Spain; SRC; Wallenberg Foundation, Sweden; SER; SNSF; Cantons of Bern and Geneva, Switzerland; NSC, Taiwan; TAEK, Turkey; STFC; Royal Society; Leverhulme Trust, United Kingdom; DOE; NSF, U.S. FX We thank CERN for the very successful operation of the LHC, as well as the support staff from our institutions without whom ATLAS could not be operated efficiently. We acknowledge the support of ANPCyT, Argentina; YerPhI, Armenia; ARC, Australia; BMWF, Austria; ANAS, Azerbaijan; SSTC, Belarus; CNPq and FAPESP, Brazil; NSERC, NRC, and CFI, Canada; CERN; CONICYT, Chile; CAS, MOST, and NSFC, China; COLCIENCIAS, Colombia; MSMT CR, MPO CR, and VSC CR, Czech Republic; DNRF, DNSRC, and Lundbeck Foundation, Denmark; ARTEMIS, European Union; IN2P3-CNRS, CEA-DSM/IRFU, France; GNAS, Georgia; BMBF, DFG, HGF, MPG, and AvH Foundation, Germany; GSRT, Greece; ISF, MINERVA, GIF, DIP, and Benoziyo Center, Israel; INFN, Italy; MEXT and JSPS, Japan; CNRST, Morocco; FOM and NWO, Netherlands; RCN, Norway; MNiSW, Poland; GRICES and FCT, Portugal; MERYS (MECTS), Romania; MES of Russia and ROSATOM, Russian Federation; JINR; MSTD, Serbia; MSSR, Slovakia; ARRS and MVZT, Slovenia; DST/NRF, South Africa; MICINN, Spain; SRC and Wallenberg Foundation, Sweden; SER, SNSF, and Cantons of Bern and Geneva, Switzerland; NSC, Taiwan; TAEK, Turkey; STFC, the Royal Society, and Leverhulme Trust, United Kingdom; DOE and NSF, U.S. The crucial computing support from all WLCG partners is acknowledged gratefully, in particular, from CERN and the ATLAS Tier-1 facilities at TRIUMF (Canada), NDGF (Denmark, Norway, Sweden), CC-IN2P3 (France), KIT/GridKA (Germany), INFN-CNAF (Italy), NL-T1 (Netherlands), PIC (Spain), ASGC (Taiwan), RAL (UK), and BNL (U.S.), and in the Tier-2 facilities worldwide. NR 47 TC 73 Z9 73 U1 5 U2 111 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 0031-9007 EI 1079-7114 J9 PHYS REV LETT JI Phys. Rev. Lett. PD DEC 29 PY 2011 VL 107 IS 27 AR 272002 DI 10.1103/PhysRevLett.107.272002 PG 19 WC Physics, Multidisciplinary SC Physics GA 869PT UT WOS:000298611000012 PM 22243306 ER PT J AU Aaltonen, T Gonzalez, BA Amerio, S Amidei, D Anastassov, A Annovi, A Antos, J Apollinari, G Appel, JA Apresyan, A Arisawa, T Artikov, A Asaadi, J Ashmanskas, W Auerbach, B Aurisano, A Azfar, F Badgett, W Barbaro-Galtieri, A Barnes, VE Barnett, BA Barria, P Bartos, P Bauce, M Bauer, G Bedeschi, F Beecher, D Behari, S Bellettini, G Bellinger, J Benjamin, D Beretvas, A Bhatti, A Binkley, M Bisello, D Bizjak, I Bland, KR Blumenfeld, B Bocci, A Bodek, A Bortoletto, D Boudreau, J Boveia, A Brau, B Brigliadori, L Brisuda, A Bromberg, C Brucken, E Bucciantonio, M Budagov, J Budd, HS Budd, S Burkett, K Busetto, G Bussey, P Buzatu, A Calancha, C Camarda, S Campanelli, M Campbell, M Canelli, F Canepa, A Carls, B Carlsmith, D Carosi, R Carrillo, S Carron, S Casal, B Casarsa, M Castro, A Catastini, P Cauz, D Cavaliere, V Cavalli-Sforza, M Cerri, A Cerrito, L Chen, YC Chertok, M Chiarelli, G Chlachidze, G Chlebana, F Cho, K Chokheli, D Chou, JP Chung, WH Chung, YS Ciobanu, CI Ciocci, MA Clark, A Compostella, G Convery, ME Conway, J Corbo, M Cordelli, M Cox, CA Cox, DJ Crescioli, F Almenar, CC Cuevas, J Culbertson, R Dagenhart, D d'Ascenzo, N Datta, M de Barbaro, P De Cecco, S Deisher, A De Lorenzo, G Dell'Orso, M Deluca, C Demortier, L Deng, J Deninno, M Devoto, F d'Errico, M Di Canto, A Di Ruzza, B Dittmann, JR D'Onofrio, M Donati, S Dong, P Dorigo, T Ebina, K Elagin, A Eppig, A Erbacher, R Errede, D Errede, S Ershaidat, N Eusebi, R Fang, HC Farrington, S Feindt, M Fernandez, JP Ferrazza, C Field, R Flanagan, G Forrest, R Frank, MJ Franklin, M Freeman, JC Furic, I Gallinaro, M Galyardt, J Garcia, JE Garfinkel, AF Garosi, P Gerberich, H Gerchtein, E Giagu, S Giakoumopoulou, V Giannetti, P Gibson, K Ginsburg, CM Giokaris, N Giromini, P Giunta, M Giurgiu, G Glagolev, V Glenzinski, D Gold, M Goldin, D Goldschmidt, N Golossanov, A Gomez, G Gomez-Ceballos, G Goncharov, M Gonzalez, O Gorelov, I Goshaw, AT Goulianos, K Gresele, A Grinstein, S Grosso-Pilcher, C Group, RC da Costa, JG Gunay-Unalan, Z Haber, C Hahn, SR Halkiadakis, E Hamaguchi, A Han, JY Happacher, F Hara, K Hare, D Hare, M Harr, RF Hatakeyama, K Hays, C Heck, M Heinrich, J Herndon, M Hewamanage, S Hidas, D Hocker, A Hopkins, W Horn, D Hou, S Hughes, RE Hurwitz, M Husemann, U Hussain, N Hussein, M Huston, J Introzzi, G Iori, M Ivanov, A James, E Jang, D Jayatilaka, B Jeon, EJ Jha, MK Jindariani, S Johnson, W Jones, M Joo, KK Jun, SY Junk, TR Kamon, T Karchin, PE Kato, Y Ketchum, W Keung, J Khotilovich, V Kilminster, B Kim, DH Kim, HS Kim, HW Kim, JE Kim, MJ Kim, SB Kim, SH Kim, YK Kimura, N Kirby, M Klimenko, S Kondo, K Kong, DJ Konigsberg, J Kotwal, AV Kreps, M Kroll, J Krop, D Krumnack, N Kruse, M Krutelyov, V Kuhr, T Kurata, M Kwang, S Laasanen, AT Lami, S Lammel, S Lancaster, M Lander, RL Lannon, K Lath, A Latino, G Lazzizzera, I LeCompte, T Lee, E Lee, HS Lee, JS Lee, SW Leo, S Leone, S Lewis, JD Lin, CJ Linacre, J Lindgren, M Lipeles, E Lister, A Litvintsev, DO Liu, C Liu, Q Liu, T Lockwitz, S Lockyer, NS Loginov, A Lucchesi, D Lueck, J Lujan, P Lukens, P Lungu, G Lys, J Lysak, R Madrak, R Maeshima, K Makhoul, K Maksimovic, P Malik, S Manca, G Manousakis-Katsikakis, A Margaroli, F Marino, C Martinez, M Martinez-Ballarin, R Mastrandrea, P Mathis, M Mattson, ME Mazzanti, P McFarland, KS McIntyre, P McNulty, R Mehta, A Mehtala, P Menzione, A Mesropian, C Miao, T Mietlicki, D Mitra, A Miyake, H Moed, S Moggi, N Mondragon, MN Moon, CS Moore, R Morello, MJ Morlock, J Fernandez, PM Mulmenstadt, J Mukherjee, A Muller, T Murat, P Mussini, M Nachtman, J Nagai, Y Naganoma, J Nakano, I Napier, A Nett, J Neu, C Neubauer, MS Nielsen, J Nodulman, L Norniella, O Nurse, E Oakes, L Oh, SH Oh, YD Oksuzian, I Okusawa, T Orava, R Ortolan, L Griso, SP Pagliarone, C Palencia, E Papadimitriou, V Paramonov, AA Patrick, J Pauletta, G Paulini, M Paus, C Pellett, DE Penzo, A Phillips, TJ Piacentino, G Pianori, E Pilot, J Pitts, K Plager, C Pondrom, L Potamianos, K Poukhov, O Prokoshin, F Pronko, A Ptohos, F Pueschel, E Punzi, G Pursley, J Rahaman, A Ramakrishnan, V Ranjan, N Redondo, I Renton, P Rescigno, M Rimondi, F Ristori, L Robson, A Rodrigo, T Rodriguez, T Rogers, E Rolli, S Roser, R Rossi, M Rubbo, F Ruffini, F Ruiz, A Russ, J Rusu, V Safonov, A Sakumoto, WK Santi, L Sartori, L Sato, K Saveliev, V Savoy-Navarro, A Schlabach, P Schmidt, A Schmidt, EE Schmidt, MP Schmitt, M Schwarz, T Scodellaro, L Scribano, A Scuri, F Sedov, A Seidel, S Seiya, Y Semenov, A Sforza, F Sfyrla, A Shalhout, SZ Shapiro, MD Shears, T Shepard, PF Shimojima, M Shiraishi, S Shochet, M Shreyber, I Simonenko, A Sinervo, P Sissakian, A Sliwa, K Smith, JR Snider, FD Soha, A Somalwar, S Sorin, V Squillacioti, P Stanitzki, M St Denis, R Stelzer, B Stelzer-Chilton, O Stentz, D Strologas, J Strycker, GL Sudo, Y Sukhanov, A Suslov, I Takemasa, K Takeuchi, Y Tang, J Tecchio, M Teng, PK Thom, J Thome, J Thompson, GA Thomson, E Ttito-Guzman, P Tkaczyk, S Toback, D Tokar, S Tollefson, K Tomura, T Tonelli, D Torre, S Torretta, D Totaro, P Trovato, M Tu, Y Turini, N Ukegawa, F Uozumi, S Varganov, A Vataga, E Vazquez, F Velev, G Vellidis, C Vidal, M Vila, I Vilar, R Vogel, M Volpi, G Wagner, P Wagner, RL Wakisaka, T Wallny, R Wang, SM Warburton, A Waters, D Weinberger, M Wester, WC Whitehouse, B Whiteson, D Wicklund, AB Wicklund, E Wilbur, S Wick, F Williams, HH Wilson, JS Wilson, P Winer, BL Wittich, P Wolbers, S Wolfe, H Wright, T Wu, X Wu, Z Yamamoto, K Yamaoka, J Yang, T Yang, UK Yang, YC Yao, WM Yeh, GP Yi, K Yoh, J Yorita, K Yoshida, T Yu, GB Yu, I Yu, SS Yun, JC Zanetti, A Zeng, Y Zucchelli, S AF Aaltonen, T. Alvarez Gonzalez, B. Amerio, S. Amidei, D. Anastassov, A. Annovi, A. Antos, J. Apollinari, G. Appel, J. A. Apresyan, A. Arisawa, T. Artikov, A. Asaadi, J. Ashmanskas, W. Auerbach, B. Aurisano, A. Azfar, F. Badgett, W. Barbaro-Galtieri, A. Barnes, V. E. Barnett, B. A. Barria, P. Bartos, P. Bauce, M. Bauer, G. Bedeschi, F. Beecher, D. Behari, S. Bellettini, G. Bellinger, J. Benjamin, D. Beretvas, A. Bhatti, A. Binkley, M. Bisello, D. Bizjak, I. Bland, K. R. Blumenfeld, B. Bocci, A. Bodek, A. Bortoletto, D. Boudreau, J. Boveia, A. Brau, B. Brigliadori, L. Brisuda, A. Bromberg, C. Brucken, E. Bucciantonio, M. Budagov, J. Budd, H. S. Budd, S. Burkett, K. Busetto, G. Bussey, P. Buzatu, A. Calancha, C. Camarda, S. Campanelli, M. Campbell, M. Canelli, F. Canepa, A. Carls, B. Carlsmith, D. Carosi, R. Carrillo, S. Carron, S. Casal, B. Casarsa, M. Castro, A. Catastini, P. Cauz, D. Cavaliere, V. Cavalli-Sforza, M. Cerri, A. Cerrito, L. Chen, Y. C. Chertok, M. Chiarelli, G. Chlachidze, G. Chlebana, F. Cho, K. Chokheli, D. Chou, J. P. Chung, W. H. Chung, Y. S. Ciobanu, C. I. Ciocci, M. A. Clark, A. Compostella, G. Convery, M. E. Conway, J. M.Corbo Cordelli, M. Cox, C. A. Cox, D. J. Crescioli, F. Almenar, C. Cuenca Cuevas, J. Culbertson, R. Dagenhart, D. d'Ascenzo, N. Datta, M. de Barbaro, P. De Cecco, S. Deisher, A. De Lorenzo, G. Dell'Orso, M. Deluca, C. Demortier, L. Deng, J. Deninno, M. Devoto, F. d'Errico, M. Di Canto, A. Di Ruzza, B. Dittmann, J. R. D'Onofrio, M. Donati, S. Dong, P. Dorigo, T. Ebina, K. Elagin, A. Eppig, A. Erbacher, R. Errede, D. Errede, S. Ershaidat, N. Eusebi, R. Fang, H. -C. Farrington, S. Feindt, M. Fernandez, J. P. Ferrazza, C. Field, R. Flanagan, G. Forrest, R. Frank, M. J. Franklin, M. Freeman, J. C. Furic, I. Gallinaro, M. Galyardt, J. Garcia, J. E. Garfinkel, A. F. Garosi, P. Gerberich, H. Gerchtein, E. Giagu, S. Giakoumopoulou, V. Giannetti, P. Gibson, K. Ginsburg, C. M. Giokaris, N. Giromini, P. Giunta, M. Giurgiu, G. Glagolev, V. Glenzinski, D. Gold, M. Goldin, D. Goldschmidt, N. Golossanov, A. Gomez, G. Gomez-Ceballos, G. Goncharov, M. Gonzalez, O. Gorelov, I. Goshaw, A. T. Goulianos, K. Gresele, A. Grinstein, S. Grosso-Pilcher, C. Group, R. C. da Costa, J. Guimaraes Gunay-Unalan, Z. Haber, C. Hahn, S. R. Halkiadakis, E. Hamaguchi, A. Han, J. Y. Happacher, F. Hara, K. Hare, D. Hare, M. Harr, R. F. Hatakeyama, K. Hays, C. Heck, M. Heinrich, J. Herndon, M. Hewamanage, S. Hidas, D. Hocker, A. Hopkins, W. Horn, D. Hou, S. Hughes, R. E. Hurwitz, M. Husemann, U. Hussain, N. Hussein, M. Huston, J. Introzzi, G. Iori, M. Ivanov, A. James, E. Jang, D. Jayatilaka, B. Jeon, E. J. Jha, M. K. Jindariani, S. Johnson, W. Jones, M. Joo, K. K. Jun, S. Y. Junk, T. R. Kamon, T. Karchin, P. E. Kato, Y. Ketchum, W. Keung, J. Khotilovich, V. Kilminster, B. Kim, D. H. Kim, H. S. Kim, H. W. Kim, J. E. Kim, M. J. Kim, S. B. Kim, S. H. Kim, Y. K. Kimura, N. Kirby, M. Klimenko, S. Kondo, K. Kong, D. J. Konigsberg, J. Kotwal, A. V. Kreps, M. Kroll, J. Krop, D. Krumnack, N. Kruse, M. Krutelyov, V. Kuhr, T. Kurata, M. Kwang, S. Laasanen, A. T. Lami, S. Lammel, S. Lancaster, M. Lander, R. L. Lannon, K. Lath, A. Latino, G. Lazzizzera, I. LeCompte, T. Lee, E. Lee, H. S. Lee, J. S. Lee, S. W. Leo, S. Leone, S. Lewis, J. D. Lin, C. -J Linacre, J. Lindgren, M. Lipeles, E. Lister, A. Litvintsev, D. O. Liu, C. Liu, Q. Liu, T. Lockwitz, S. Lockyer, N. S. Loginov, A. Lucchesi, D. Lueck, J. Lujan, P. Lukens, P. Lungu, G. Lys, J. Lysak, R. Madrak, R. Maeshima, K. Makhoul, K. Maksimovic, P. Malik, S. Manca, G. Manousakis-Katsikakis, A. Margaroli, F. Marino, C. Martinez, M. Martinez-Ballarin, R. Mastrandrea, P. Mathis, M. Mattson, M. E. Mazzanti, P. McFarland, K. S. McIntyre, P. McNulty, R. Mehta, A. Mehtala, P. Menzione, A. Mesropian, C. Miao, T. Mietlicki, D. Mitra, A. Miyake, H. Moed, S. Moggi, N. Mondragon, M. N. Moon, C. S. Moore, R. Morello, M. J. Morlock, J. Fernandez, P. Movilla Muelmenstaedt, J. Mukherjee, A. Muller, Th. Murat, P. Mussini, M. Nachtman, J. Nagai, Y. Naganoma, J. Nakano, I. Napier, A. Nett, J. Neu, C. Neubauer, M. S. Nielsen, J. Nodulman, L. Norniella, O. Nurse, E. Oakes, L. Oh, S. H. Oh, Y. D. Oksuzian, I. Okusawa, T. Orava, R. Ortolan, L. Griso, S. Pagan Pagliarone, C. Palencia, E. Papadimitriou, V. Paramonov, A. A. Patrick, J. Pauletta, G. Paulini, M. Paus, C. Pellett, D. E. Penzo, A. Phillips, T. J. Piacentino, G. Pianori, E. Pilot, J. Pitts, K. Plager, C. Pondrom, L. Potamianos, K. Poukhov, O. Prokoshin, F. Pronko, A. Ptohos, F. Pueschel, E. Punzi, G. Pursley, J. Rahaman, A. Ramakrishnan, V. Ranjan, N. Redondo, I. Renton, P. Rescigno, M. Rimondi, F. Ristori, L. Robson, A. Rodrigo, T. Rodriguez, T. Rogers, E. Rolli, S. Roser, R. Rossi, M. Rubbo, F. Ruffini, F. Ruiz, A. Russ, J. Rusu, V. Safonov, A. Sakumoto, W. K. Santi, L. Sartori, L. Sato, K. Saveliev, V. Savoy-Navarro, A. Schlabach, P. Schmidt, A. Schmidt, E. E. Schmidt, M. P. Schmitt, M. Schwarz, T. Scodellaro, L. Scribano, A. Scuri, F. Sedov, A. Seidel, S. Seiya, Y. Semenov, A. Sforza, F. Sfyrla, A. Shalhout, S. Z. Shapiro, M. D. Shears, T. Shepard, P. F. Shimojima, M. Shiraishi, S. Shochet, M. Shreyber, I. Simonenko, A. Sinervo, P. Sissakian, A. Sliwa, K. Smith, J. R. Snider, F. D. Soha, A. Somalwar, S. Sorin, V. Squillacioti, P. Stanitzki, M. St Denis, R. Stelzer, B. Stelzer-Chilton, O. Stentz, D. Strologas, J. Strycker, G. L. Sudo, Y. Sukhanov, A. Suslov, I. Takemasa, K. Takeuchi, Y. Tang, J. Tecchio, M. Teng, P. K. Thom, J. Thome, J. Thompson, G. A. Thomson, E. Ttito-Guzman, P. Tkaczyk, S. Toback, D. Tokar, S. Tollefson, K. Tomura, T. Tonelli, D. Torre, S. Torretta, D. Totaro, P. Trovato, M. Tu, Y. Turini, N. Ukegawa, F. Uozumi, S. Varganov, A. Vataga, E. Vazquez, F. Velev, G. Vellidis, C. Vidal, M. Vila, I. Vilar, R. Vogel, M. Volpi, G. Wagner, P. Wagner, R. L. Wakisaka, T. Wallny, R. Wang, S. M. Warburton, A. Waters, D. Weinberger, M. Wester, W. C., III Whitehouse, B. Whiteson, D. Wicklund, A. B. Wicklund, E. Wilbur, S. Wick, F. Williams, H. H. Wilson, J. S. Wilson, P. Winer, B. L. Wittich, P. Wolbers, S. Wolfe, H. Wright, T. Wu, X. Wu, Z. Yamamoto, K. Yamaoka, J. Yang, T. Yang, U. K. Yang, Y. C. Yao, W. -M Yeh, G. P. Yi, K. Yoh, J. Yorita, K. Yoshida, T. Yu, G. B. Yu, I. Yu, S. S. Yun, J. C. Zanetti, A. Zeng, Y. Zucchelli, S. CA CDF Collaboration TI Measurement of the B-s(0) Lifetime in Fully and Partially Reconstructed B-s -> D-s(0) (phi pi(-))X Decays in (p)over-barp Collisions at root s 1.96 TeV SO PHYSICAL REVIEW LETTERS LA English DT Article ID HADRONIC COLLISIONS; CROSS-SECTION; DETECTOR AB We present a measurement of the B-s(0) lifetime in fully and partially reconstructed B-s(0) -> D-s(-)(phi pi(-))X decays in 1.3 fb(-1) collected in p (p) over bar collisions at root s = 1.96 Tev by the CDF II detector at the Fermilab Tevatron. We measure tau(B-s(0)) = 1.518 +/- 0.041(stat) +/- 0.027(stat) ps. 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Cuenca; Husemann, U.; Lockwitz, S.; Loginov, A.; Schmidt, M. P.; Stanitzki, M.] Yale Univ, New Haven, CT 06520 USA. RP Aaltonen, T (reprint author), Univ Helsinki, Dept Phys, Div High Energy Phys, FIN-00014 Helsinki, Finland. RI Piacentino, Giovanni/K-3269-2015; Martinez Ballarin, Roberto/K-9209-2015; Gorelov, Igor/J-9010-2015; Prokoshin, Fedor/E-2795-2012; Ruiz, Alberto/E-4473-2011; Scodellaro, Luca/K-9091-2014; Grinstein, Sebastian/N-3988-2014; Paulini, Manfred/N-7794-2014; Russ, James/P-3092-2014; unalan, zeynep/C-6660-2015; Lazzizzera, Ignazio/E-9678-2015; Garcia, Jose /H-6339-2015; ciocci, maria agnese /I-2153-2015; Cavalli-Sforza, Matteo/H-7102-2015; Chiarelli, Giorgio/E-8953-2012; Muelmenstaedt, Johannes/K-2432-2015; Introzzi, Gianluca/K-2497-2015; Annovi, Alberto/G-6028-2012; Ivanov, Andrew/A-7982-2013; Warburton, Andreas/N-8028-2013; Kim, Soo-Bong/B-7061-2014; Lysak, Roman/H-2995-2014; De Cecco, Sandro/B-1016-2012; St.Denis, Richard/C-8997-2012; Moon, Chang-Seong/J-3619-2014; Robson, Aidan/G-1087-2011; manca, giulia/I-9264-2012; Amerio, Silvia/J-4605-2012; Punzi, Giovanni/J-4947-2012; Zeng, Yu/C-1438-2013 OI Piacentino, Giovanni/0000-0001-9884-2924; Martinez Ballarin, Roberto/0000-0003-0588-6720; Gorelov, Igor/0000-0001-5570-0133; Prokoshin, Fedor/0000-0001-6389-5399; Ruiz, Alberto/0000-0002-3639-0368; Scodellaro, Luca/0000-0002-4974-8330; Grinstein, Sebastian/0000-0002-6460-8694; Paulini, Manfred/0000-0002-6714-5787; Russ, James/0000-0001-9856-9155; unalan, zeynep/0000-0003-2570-7611; Lazzizzera, Ignazio/0000-0001-5092-7531; ciocci, maria agnese /0000-0003-0002-5462; Chiarelli, Giorgio/0000-0001-9851-4816; Muelmenstaedt, Johannes/0000-0003-1105-6678; Introzzi, Gianluca/0000-0002-1314-2580; Annovi, Alberto/0000-0002-4649-4398; Ivanov, Andrew/0000-0002-9270-5643; Warburton, Andreas/0000-0002-2298-7315; Moon, Chang-Seong/0000-0001-8229-7829; Punzi, Giovanni/0000-0002-8346-9052; FU U.S. Department of Energy; National Science Foundation; Italian Istituto Nazionale di Fisica Nucleare; Ministry of Education, Culture, Sports, Science and Technology of Japan; Natural Sciences and Engineering Research Council of Canada; National Science Council of the Republic of China; Swiss National Science Foundation; A. P. Sloan Foundation; Bundesministerium fur Bildung und Forschung, Germany; Korean World Class University; National Research Foundation of Korea; Science and Technology Facilities Council; Royal Society, UK; Institut National de Physique Nucleaire et Physique des Particules/CNRS; Russian Foundation for Basic Research; Ministerio de Ciencia e Innovacion; Programa Consolider-Ingenio 2010, Spain; Slovak RD Agency; Academy of Finland; Australian Research Council (ARC) FX We thank the Fermilab staff and the technical staffs of the participating institutions for their vital contributions. This work was supported by the U.S. Department of Energy and National Science Foundation; the Italian Istituto Nazionale di Fisica Nucleare; the Ministry of Education, Culture, Sports, Science and Technology of Japan; the Natural Sciences and Engineering Research Council of Canada; the National Science Council of the Republic of China; the Swiss National Science Foundation; the A. P. Sloan Foundation; the Bundesministerium fur Bildung und Forschung, Germany; the Korean World Class University Program, the National Research Foundation of Korea; the Science and Technology Facilities Council and the Royal Society, UK; the Institut National de Physique Nucleaire et Physique des Particules/CNRS; the Russian Foundation for Basic Research; the Ministerio de Ciencia e Innovacion, and Programa Consolider-Ingenio 2010, Spain; the Slovak R&D Agency; the Academy of Finland; and the Australian Research Council (ARC). NR 18 TC 10 Z9 10 U1 2 U2 24 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 0031-9007 J9 PHYS REV LETT JI Phys. Rev. Lett. 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Dasu, S. Efron, J. Friis, E. Gray, L. Grogg, K. S. Grothe, M. Hall-Wilton, R. Herndon, M. Herve, A. Klabbers, P. Klukas, J. Lanaro, A. Lazaridis, C. Leonard, J. Loveless, R. Mohapatra, A. Ojalvo, I. Parker, W. Ross, I. Savin, A. Smith, W. H. Swanson, J. Weinberg, M. CA CMS Collaboration TI Search for a Vectorlike Quark with Charge 2/3 in t plus Z Events from pp Collisions at root s 7 TeV SO PHYSICAL REVIEW LETTERS LA English DT Article AB A search for pair-produced heavy vectorlike charge-2/3 quarks, T, in pp collisions at a center-of-mass energy of 7 TeV, is performed with the CMS detector at the LHC. Events consistent with the flavor-changing-neutral-current decay of a T quark to a top quark and a Z boson are selected by requiring two leptons from the Z-boson decay, as well as an additional isolated charged lepton. In a data sample corresponding to an integrated luminosity of 1.14 fb(-1), the number of observed events is found to be consistent with the standard model background prediction. Assuming a branching fraction of 100% for the decay T -> tZ, a T quark with a mass less than 475 GeV/c(2) is excluded at the 95% confidence level. C1 [Chatrchyan, S.; Khachatryan, V.; Sirunyan, A. M.; Tumasyan, A.] Yerevan Phys Inst, Yerevan 375036, Armenia. [Adam, W.; Bergauer, T.; Dragicevic, M.; Eroe, J.; Fabjan, C.; Friedl, M.; Fruehwirth, R.; Ghete, V. M.; Hammer, J.; Haensel, S.; Hoch, M.; Hoermann, N.; Hrubec, J.; Jeitler, M.; Kiesenhofer, W.; Krammer, M.; Liko, D.; Mikulec, I.; Pernicka, M.; Rahbaran, B.; Rohringer, H.; Schoefbeck, R.; Strauss, J.; Taurok, A.; Teischinger, F.; Trauner, C.; Wagner, P.; Waltenberger, W.; Walzel, G.; Widl, E.; Wulz, C. -E.] Inst Hochenergiephys OeAW, Vienna, Austria. [Mossolov, V.; Shumeiko, N.; Gonzalez, J. Suarez] Natl Ctr Particle & High Energy Phys, Minsk, Byelarus. 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M.; Potenza, A.; Romero, A.; Ruspa, M.; Sacchi, R.; Sola, V.; Solano, A.; Staiano, A.; Pereira, A. Vilela] Ist Nazl Fis Nucl, Sez Torino, I-10125 Turin, Italy. [Amapane, N.; Argiro, S.; Botta, C.; Castello, R.; Costa, M.; Graziano, A.; Migliore, E.; Monaco, V.; Pelliccioni, A. M.; Potenza, A.; Romero, A.; Sacchi, R.; Sola, V.; Solano, A.] Univ Turin, Turin, Italy. [Arcidiacono, R.; Arneodo, M.; Obertino, M. M.; Ruspa, M.] Univ Piemonte Orientale Novara, Turin, Italy. [Belforte, S.; Cossutti, F.; Della Ricca, G.; Gobbo, B.; Marone, M.; Montanino, D.; Penzo, A.] Ist Nazl Fis Nucl, Sez Trieste, Trieste, Italy. [Della Ricca, G.; Marone, M.; Montanino, D.] Univ Trieste, Trieste, Italy. [Heo, S. G.; Nam, S. K.] Kangwon Natl Univ, Chunchon, South Korea. [Chang, S.; Chung, J.; Kim, D. H.; Kim, G. N.; Kim, J. E.; Kong, D. J.; Park, H.; Ro, S. R.; Son, D. C.; Son, T.] Kyungpook Natl Univ, Taegu, South Korea. [Kim, J. Y.; Kim, Zero J.; Song, S.] Chonnam Natl Univ, Inst Univ & Elementary Particles, Kwangju, South Korea. [Jo, H. Y.] Konkuk Univ, Seoul, South Korea. [Choi, S.; Gyun, D.; Hong, B.; Jo, M.; Kim, H.; Kim, J. H.; Kim, T. J.; Lee, K. S.; Moon, D. H.; Park, S. K.; Seo, E.; Sim, K. S.] Korea Univ, Seoul, South Korea. [Choi, M.; Kang, S.; Kim, H.; Park, C.; Park, I. C.; Park, S.; Ryu, G.] Univ Seoul, Seoul, South Korea. [Cho, Y.; Choi, Y.; Choi, Y. K.; Goh, J.; Kim, M. S.; Lee, B.; Lee, J.; Lee, S.; Seo, H.; Yu, I.] Sungkyunkwan Univ, Suwon, South Korea. [Bilinskas, M. J.; Grigelionis, I.; Janulis, M.; Martisiute, D.; Petrov, P.; Polujanskas, M.; Sabonis, T.] Vilnius Univ, Vilnius, Lithuania. [Castilla-Valdez, H.; De la Cruz-Burelo, E.; Heredia-de La Cruz, I.; Lopez-Fernandez, R.; Magana Villalba, R.; Martinez-Ortega, J.; Sanchez-Hernandez, A.; Villasenor-Cendejas, L. M.] IPN, Ctr Invest & Estudios Avanzados, Mexico City 07738, DF, Mexico. [Carrillo Moreno, S.; Vazquez Valencia, F.] Univ Iberoamer, Mexico City, DF, Mexico. [Salazar Ibarguen, H. A.] Benemerita Univ Autonoma Puebla, Puebla, Mexico. [Casimiro Linares, E.; Morelos Pineda, A.; Reyes-Santos, M. A.] Univ Autonoma San Luis Potosi, San Luis Potosi, Mexico. [Krofcheck, D.; Tam, J.] Univ Auckland, Auckland 1, New Zealand. [Butler, P. H.; Doesburg, R.; Silverwood, H.] Univ Canterbury, Christchurch 1, New Zealand. [Ahmad, M.; Ahmed, I.; Asghar, M. I.; Hoorani, H. R.; Khalid, S.; Khan, W. A.; Khurshid, T.; Qazi, S.; Shah, M. A.; Shoaib, M.] Quaid I Azam Univ, Natl Ctr Phys, Islamabad, Pakistan. [Brona, G.; Cwiok, M.; Dominik, W.; Doroba, K.; Kalinowski, A.; Konecki, M.; Krolikowski, J.] Univ Warsaw, Inst Expt Phys, Fac Phys, Warsaw, Poland. [Bluj, M.; Frueboes, T.; Gokieli, R.; Gorski, M.; Kazana, M.; Nawrocki, K.; Romanowska-Rybinska, K.; Szleper, M.; Wrochna, G.; Zalewski, P.] Soltan Inst Nucl Studies, PL-00681 Warsaw, Poland. [Almeida, N.; Bargassa, P.; David, A.; Faccioli, P.; Ferreira Parracho, P. G.; Gallinaro, M.; Musella, P.; Nayak, A.; Pela, J.; Ribeiro, P. Q.; Seixas, J.; Varela, J.] Lab Instrumentacao & Fis Expt Particulas, Lisbon, Portugal. [Afanasiev, S.; Belotelov, I.; Bunin, P.; Gavrilenko, M.; Golutvin, I.; Kamenev, A.; Karjavin, V.; Kozlov, G.; Lanev, A.; Moisenz, P.; Palichik, V.; Perelygin, V.; Shmatov, S.; Smirnov, V.; Volodko, A.; Zarubin, A.] Joint Inst Nucl Res, Dubna, Russia. [Golovtsov, V.; Ivanov, Y.; Kim, V.; Levchenko, P.; Murzin, V.; Oreshkin, V.; Smirnov, I.; Sulimov, V.; Uvarov, L.; Vavilov, S.; Vorobyev, A.; Vorobyev, An.] Petersburg Nucl Phys Inst, St Petersburg, Russia. [Andreev, Yu.; Dermenev, A.; Gninenko, S.; Golubev, N.; Kirsanov, M.; Krasnikov, N.; Matveev, V.; Pashenkov, A.; Toropin, A.; Troitsky, S.; Musienko, Y.] Russian Acad Sci, Inst Nucl Res, Moscow, Russia. [Epshteyn, V.; Erofeeva, M.; Gavrilov, V.; Kaftanov, V.; Kossov, M.; Krokhotin, A.; Lychkovskaya, N.; Popov, V.; Safronov, G.; Semenov, S.; Stolin, V.; Vlasov, E.; Zhokin, A.; Starodumov, A.; Nikitenko, A.] Inst Theoret & Expt Phys, Moscow 117259, Russia. [Zhukov, V.; Belyaev, A.; Boos, E.; Dubinin, M.; Dudko, L.; Ershov, A.; Gribushin, A.; Kodolova, O.; Lokhtin, I.; Markina, A.; Obraztsov, S.; Perfilov, M.; Petrushanko, S.; Sarycheva, L.; Savrin, V.; Snigirev, A.] Moscow MV Lomonosov State Univ, Moscow, Russia. [Andreev, V.; Azarkin, M.; Dremin, I.; Kirakosyan, M.; Leonidov, A.; Mesyats, G.; Rusakov, S. V.; Vinogradov, A.] PN Lebedev Phys Inst, Moscow 117924, Russia. [Azhgirey, I.; Bayshev, I.; Bitioukov, S.; Grishin, V.; Kachanov, V.; Konstantinov, D.; Korablev, A.; Krychkine, V.; Petrov, V.; Ryutin, R.; Sobol, A.; Tourtchanovitch, L.; Troshin, S.; Tyurin, N.; Uzunian, A.; Volkov, A.] State Res Ctr Russian Federat, Inst High Energy Phys, Protvino, Russia. [Mahmoud, M. A.; Adzic, P.; Djordjevic, M.; Krpic, D.; Milosevic, J.] Univ Belgrade, Fac Phys, Belgrade 11001, Serbia. [Adzic, P.; Djordjevic, M.; Krpic, D.; Milosevic, J.; Milenovic, P.] Vinca Inst Nucl Sci, Belgrade, Serbia. [Aguilar-Benitez, M.; Alcaraz Maestre, J.; Arce, P.; Battilana, C.; Calvo, E.; Cerrada, M.; Chamizo Llatas, M.; Colino, N.; De la Cruz, B.; Delgado Peris, A.; Diez Pardos, C.; Dominguez Vazquez, D.; Fernandez Bedoya, C.; Fernandez Ramos, J. P.; Ferrando, A.; Flix, J.; Fouz, M. C.; Garcia-Abia, P.; Gonzalez Lopez, O.; Goy Lopez, S.; Hernandez, J. M.; Josa, M. I.; Merino, G.; Puerta Pelayo, J.; Redondo, I.; Romero, L.; Santaolalla, J.; Soares, M. S.; Willmott, C.] CIEMAT, E-28040 Madrid, Spain. [Albajar, C.; Codispoti, G.; de Troconiz, J. F.] Univ Autonoma Madrid, Madrid, Spain. [Cuevas, J.; Fernandez Menendez, J.; Folgueras, S.; Gonzalez Caballero, I.; Lloret Iglesias, L.; Vizan Garcia, J. M.] Univ Oviedo, Oviedo, Spain. [Brochero Cifuentes, J. A.; Cabrillo, I. J.; Calderon, A.; Chuang, S. H.; Duarte Campderros, J.; Felcini, M.; Fernandez, M.; Gomez, G.; Gonzalez Sanchez, J.; Jorda, C.; Lobelle Pardo, P.; Lopez Virto, A.; Marco, J.; Marco, R.; Martinez Rivero, C.; Matorras, F.; Munoz Sanchez, F. J.; Piedra Gomez, J.; Rodrigo, T.; Rodriguez-Marrero, A. Y.; Ruiz-Jimeno, A.; Scodellaro, L.; Sobron Sanudo, M.; Vila, I.; Vilar Cortabitarte, R.] Univ Cantabria, CSIC, Inst Fis Cantabria IFCA, E-39005 Santander, Spain. [Hammer, J.; Darmenov, N.; Genchev, V.; Iaydjiev, P.; Jung, H.; Foudas, C.; Hajdu, C.; Sikler, F.; Mohanty, A. K.; De Filippis, N.; Fasanella, D.; Tropiano, A.; Benaglia, A.; Gennai, S.; Massironi, A.; Montoya, C. A. Carrillo; Iorio, A. O. M.; Bacchetta, N.; Nespolo, M.; Tosi, M.; Lucaroni, A.; Taroni, S.; Tonelli, G.; Venturi, A.; Del Re, D.; Grassi, M.; Gallinaro, M.; Pela, J.; Kossov, M.; Grishin, V.; Abbaneo, D.; Auffray, E.; Auzinger, G.; Baillon, P.; Ball, A. H.; Barney, D.; Bell, A. J.; Benedetti, D.; Bernet, C.; Bialas, W.; Bloch, P.; Bocci, A.; Bolognesi, S.; Bona, M.; Breuker, H.; Bunkowski, K.; Camporesi, T.; Cerminara, G.; Christiansen, T.; Perez, J. A. Coarasa; Cure, B.; D'Enterria, D.; De Roeck, A.; Di Guida, S.; Dupont-Sagorin, N.; Elliott-Peisert, A.; Frisch, B.; Funk, W.; Gaddi, A.; Georgiou, G.; Gerwig, H.; Gigi, D.; Gill, K.; Giordano, D.; Glege, F.; Garrido, R. Gomez-Reino; Gouzevitch, M.; Govoni, P.; Gowdy, S.; Guida, R.; Guiducci, L.; Hansen, M.; Hartl, C.; Harvey, J.; Hegeman, J.; Hegner, B.; Hoffmann, H. F.; Innocente, V.; Janot, P.; Kaadze, K.; Karavakis, E.; Lecoq, P.; Lenzi, P.; Lourenco, C.; Maeki, T.; Malberti, M.; Malgeri, L.; Mannelli, M.; Masetti, L.; Maurisset, A.; Mavromanolakis, G.; Meijers, F.; Mersi, S.; Meschi, E.; Moser, R.; Mozer, M. U.; Mulders, M.; Nesvold, E.; Nguyen, M.; Orimoto, T.; Orsini, L.; Cortezon, E. Palencia; Perez, E.; Petrilli, A.; Pfeiffer, A.; Pierini, M.; Pimiae, M.; Piparo, D.; Polese, G.; Quertenmont, L.; Racz, A.; Reece, W.; Antunes, J. Rodrigues; Rolandi, G.; Rommerskirchen, T.; Rovelli, C.; Rovere, M.; Sakulin, H.; Schaefer, C.; Schwick, C.; Segoni, I.; Sharma, A.; Siegrist, P.; Silva, P.; Simon, M.; Sphicas, P.; Spiga, D.; Spiropulu, M.; Stoye, M.; Tsirou, A.; Vichoudis, P.; Woehri, H. K.; Worm, S. D.; Zeuner, W. D.; Kovalskyi, D.] CERN, European Org Nucl Res, CH-1211 Geneva, Switzerland. [Bertl, W.; Deiters, K.; Erdmann, W.; Gabathuler, K.; Horisberger, R.; Ingram, Q.; Kaestli, H. C.; Koenig, S.; Kotlinski, D.; Langenegger, U.; Meier, F.; Renker, D.; Rohe, T.; Sibille, J.; Caminada, L.; Marchica, C.; Naegeli, C.] Paul Scherrer Inst, Villigen, Switzerland. [Baeni, L.; Bortignon, P.; Caminada, L.; Casal, B.; Chanon, N.; Chen, Z.; Cittolin, S.; Dissertori, G.; Dittmar, M.; Eugster, J.; Freudenreich, K.; Grab, C.; Hintz, W.; Lecomte, P.; Lustermann, W.; Marchica, C.; del Arbol, P. Martinez Ruiz; Milenovic, P.; Moortgat, F.; Naegeli, C.; Nef, P.; Nessi-Tedaldi, F.; Pape, L.; Pauss, F.; Punz, T.; Rizzi, A.; Ronga, F. J.; Rossini, M.; Sala, L.; Sanchez, A. K.; Sawley, M. -C.; Starodumov, A.; Stieger, B.; Takahashi, M.; Tauscher, L.; Thea, A.; Theofilatos, K.; Treille, D.; Urscheler, C.; Wallny, R.; Weber, M.; Wehrli, L.; Weng, J.] ETH, Inst Particle Phys, Zurich, Switzerland. [Aguilo, E.; Amsler, C.; Chiochia, V.; De Visscher, S.; Favaro, C.; Rikova, M. Ivova; Jaeger, A.; Mejias, B. Millan; Otiougova, P.; Robmann, P.; Schmidt, A.; Snoek, H.] Univ Zurich, Zurich, Switzerland. [Chang, Y. H.; Chen, K. H.; Kuo, C. M.; Li, S. W.; Lin, W.; Liu, Z. K.; Lu, Y. J.; Mekterovic, D.; Volpe, R.; Yu, S. S.] Natl Cent Univ, Chungli 32054, Taiwan. [Bartalini, P.; Chang, P.; Chang, Y. H.; Chang, Y. W.; Chao, Y.; Chen, K. F.; Dietz, C.; Grundler, U.; Hou, W. -S.; Hsiung, Y.; Kao, K. Y.; Lei, Y. J.; Lu, R. -S.; Shiu, J. G.; Tzeng, Y. M.; Wan, X.; Wang, M.] Natl Taiwan Univ, Taipei 10764, Taiwan. [Adiguzel, A.; Bakirci, M. N.; Cerci, S.; Dozen, C.; Dumanoglu, I.; Eskut, E.; Girgis, S.; Gokbulut, G.; Hos, I.; Kangal, E. E.; Topaksu, A. Kayis; Onengut, G.; Ozdemir, K.; Ozturk, S.; Polatoz, A.; Sogut, K.; Cerci, D. Sunar; Tali, B.; Topakli, H.; Uzun, D.; Vergili, L. N.; Vergili, M.] Cukurova Univ, Adana, Turkey. [Akin, I. V.; Aliev, T.; Bilin, B.; Bilmis, S.; Deniz, M.; Gamsizkan, H.; Guler, A. M.; Ocalan, K.; Ozpineci, A.; Serin, M.; Sever, R.; Surat, U. E.; Yalvac, M.; Yildirim, E.; Zeyrek, M.] Middle E Tech Univ, Dept Phys, TR-06531 Ankara, Turkey. [Deliomeroglu, M.; Demir, D.; Gulmez, E.; Isildak, B.; Kaya, M.; Kaya, O.; Ozbek, M.; Ozkorucuklu, S.; Sonmez, N.] Bogazici Univ, Istanbul, Turkey. [Levchuk, L.] Kharkov Inst Phys & Technol, Natl Sci Ctr, Kharkov, Ukraine. [Bostock, F.; Brooke, J. J.; Cheng, T. L.; Clement, E.; Cussans, D.; Frazier, R.; Goldstein, J.; Grimes, M.; Heath, G. P.; Heath, H. F.; Kreczko, L.; Metson, S.; Newbold, D. M.; Nirunpong, K.; Poll, A.; Senkin, S.; Smith, V. J.] Univ Bristol, Bristol, Avon, England. [Worm, S. D.; Newbold, D. M.; Basso, L.; Bell, K. W.; Belyaev, A.; Brew, C.; Brown, R. M.; Camanzi, B.; Cockerill, D. J. A.; Coughlan, J. A.; Harder, K.; Harper, S.; Jackson, J.; Kennedy, B. W.; Olaiya, E.; Petyt, D.; Radburn-Smith, B. C.; Shepherd-Themistocleous, C. H.; Tomalin, I. R.; Womersley, W. J.] Rutherford Appleton Lab, Didcot OX11 0QX, Oxon, England. [Bainbridge, R.; Ball, G.; Ballin, J.; Beuselinck, R.; Buchmuller, O.; Colling, D.; Cripps, N.; Cutajar, M.; Davies, G.; Della Negra, M.; Ferguson, W.; Fulcher, J.; Futyan, D.; Gilbert, A.; Bryer, A. Guneratne; Hall, G.; Hatherell, Z.; Hays, J.; Iles, G.; Jarvis, M.; Karapostoli, G.; Lyons, L.; Magnan, A. -M.; Marrouche, J.; Mathias, B.; Nandi, R.; Nash, J.; Nikitenko, A.; Papageorgiou, A.; Pesaresi, M.; Petridis, K.; Pioppi, M.; Raymond, D. M.; Rogerson, S.; Rompotis, N.; Rose, A.; Ryan, M. J.; Seez, C.; Sharp, P.; Sparrow, A.; Tapper, A.; Tourneur, S.; Acosta, M. Vazquez; Virdee, T.; Wakefield, S.; Wardle, N.; Wardrope, D.; Whyntie, T.] Univ London Imperial Coll Sci Technol & Med, London, England. [Barrett, M.; Chadwick, M.; Cole, J. E.; Hobson, P. R.; Khan, A.; Kyberd, P.; Leslie, D.; Martin, W.; Reid, I. D.; Teodorescu, L.] Brunel Univ, Uxbridge UB8 3PH, Middx, England. [Hatakeyama, K.; Liu, H.] Baylor Univ, Waco, TX 76798 USA. [Henderson, C.] Univ Alabama, Tuscaloosa, AL USA. [Bose, T.; Jarrin, E. Carrera; Fantasia, C.; Heister, A.; St John, J.; Lawson, P.; Lazic, D.; Rohlf, J.; Sperka, D.; Sulak, L.] Boston Univ, Boston, MA 02215 USA. [Avetisyan, A.; Bhattacharya, S.; Chou, J. P.; Cutts, D.; Ferapontov, A.; Heintz, U.; Jabeen, S.; Kukartsev, G.; Landsberg, G.; Luk, M.; Narain, M.; Nguyen, D.; Segala, M.; Sinthuprasith, T.; Speer, T.; Tsang, K. V.] Brown Univ, Providence, RI 02912 USA. [Breedon, R.; Breto, G.; De la Barca Sanchez, M. Calderon; Chauhan, S.; Chertok, M.; Conway, J.; Conway, R.; Cox, P. T.; Dolen, J.; Erbacher, R.; Houtz, R.; Ko, W.; Kopecky, A.; Lander, R.; Liu, H.; Mall, O.; Maruyama, S.; Miceli, T.; Nikolic, M.; Pellett, D.; Robles, J.; Rutherford, B.; Salur, S.; Searle, M.; Smith, J.; Squires, M.; Tripathi, M.; Sierra, R. Vasquez] Univ Calif Davis, Davis, CA 95616 USA. [Felcini, M.; Andreev, V.; Arisaka, K.; Cline, D.; Cousins, R.; Deisher, A.; Duris, J.; Erhan, S.; Farrell, C.; Hauser, J.; Ignatenko, M.; Jarvis, C.; Plager, C.; Rakness, G.; Schlein, P.; Tucker, J.; Valuev, V.] Univ Calif Los Angeles, Los Angeles, CA USA. [Babb, J.; Clare, R.; Ellison, J.; Gary, J. W.; Giordano, F.; Hanson, G.; Jeng, G. Y.; Kao, S. C.; Liu, H.; Long, O. R.; Luthra, A.; Nguyen, H.; Paramesvaran, S.; Sturdy, J.; Sumowidagdo, S.; Wilken, R.; Wimpenny, S.] Univ Calif Riverside, Riverside, CA 92521 USA. [Andrews, W.; Branson, J. G.; Cerati, G. B.; Evans, D.; Golf, F.; Holzner, A.; Kelley, R.; Lebourgeois, M.; Letts, J.; Mangano, B.; Padhi, S.; Palmer, C.; Petrucciani, G.; Pi, H.; Pieri, M.; Ranieri, R.; Sani, M.; Sharma, V.; Simon, S.; Sudano, E.; Tadel, M.; Tu, Y.; Vartak, A.; Wasserbaech, S.; Wuerthwein, F.; Yagil, A.; Yoo, J.] Univ Calif San Diego, La Jolla, CA 92093 USA. [Barge, D.; Bellan, R.; Campagnari, C.; D'Alfonso, M.; Danielson, T.; Flowers, K.; Geffert, P.; Incandela, J.; Justus, C.; Kalavase, P.; Koay, S. A.; Kovalskyi, D.; Krutelyov, V.; Lowette, S.; Mccoll, N.; Mullin, S. D.; Pavlunin, V.; Rebassoo, F.; Ribnik, J.; Richman, J.; Rossin, R.; Stuart, D.; To, W.; Vlimant, J. R.; West, C.] Univ Calif Santa Barbara, Santa Barbara, CA 93106 USA. [Dias, F. A.; Dubinin, M.; Spiropulu, M.; Apresyan, A.; Bornheim, A.; Bunn, J.; Chen, Y.; Duarte, J.; Gataullin, M.; Ma, Y.; Mott, A.; Newman, H. B.; Rogan, C.; Shin, K.; Timciuc, V.; Traczyk, P.; Veverka, J.; Wilkinson, R.; Yang, Y.; Zhu, R. Y.] CALTECH, Pasadena, CA 91125 USA. [Akgun, B.; Carroll, R.; Ferguson, T.; Iiyama, Y.; Jang, D. W.; Jun, S. Y.; Liu, Y. F.; Paulini, M.; Russ, J.; Vogel, H.; Vorobiev, I.] Carnegie Mellon Univ, Pittsburgh, PA 15213 USA. [Cumalat, J. P.; Dinardo, M. E.; Drell, B. R.; Edelmaier, C. J.; Ford, W. T.; Gaz, A.; Heyburn, B.; Lopez, E. Luiggi; Nauenberg, U.; Smith, J. G.; Stenson, K.; Ulmer, K. A.; Wagner, S. R.; Zang, S. L.] Univ Colorado, Boulder, CO 80309 USA. [Agostino, L.; Alexander, J.; Chatterjee, A.; Eggert, N.; Gibbons, L. K.; Heltsley, B.; Hopkins, W.; Khukhunaishvili, A.; Kreis, B.; Kaufman, G. Nicolas; Patterson, J. R.; Puigh, D.; Ryd, A.; Salvati, E.; Shi, X.; Sun, W.; Teo, W. D.; Thom, J.; Thompson, J.; Vaughan, J.; Weng, Y.; Winstrom, L.; Wittich, P.] Cornell Univ, Ithaca, NY USA. [Biselli, A.; Cirino, G.; Winn, D.] Fairfield Univ, Fairfield, CT 06430 USA. [Abdullin, S.; Albrow, M.; Anderson, J.; Apollinari, G.; Atac, M.; Bakken, J. A.; Bauerdick, L. A. T.; Beretvas, A.; Berryhill, J.; Bhat, P. C.; Bloch, I.; Burkett, K.; Butler, J. N.; Chetluru, V.; Cheung, H. W. K.; Chlebana, F.; Cihangir, S.; Cooper, W.; Eartly, D. P.; Elvira, V. D.; Esen, S.; Fisk, I.; Freeman, J.; Gao, Y.; Gottschalk, E.; Green, D.; Gutsche, O.; Hanlon, J.; Harris, R. M.; Hirschauer, J.; Hooberman, B.; Jensen, H.; Jindariani, S.; Johnson, M.; Joshi, U.; Klima, B.; Kousouris, K.; Kunori, S.; Kwan, S.; Leonidopoulos, C.; Limon, P.; Lincoln, D.; Lipton, R.; Lykken, J.; Maeshima, K.; Marraffino, J. M.; Mason, D.; McBride, P.; Miao, T.; Mishra, K.; Mrenna, S.; Musienko, Y.; Newman-Holmes, C.; O'Dell, V.; Pivarski, J.; Pordes, R.; Prokofyev, O.; Schwarz, T.; Sexton-Kennedy, E.; Sharma, S.; Spalding, W. J.; Spiegel, L.; Tan, P.; Taylor, L.; Tkaczyk, S.; Uplegger, L.; Vaandering, E. W.; Vidal, R.; Whitmore, J.; Wu, W.; Yang, F.; Yumiceva, F.; Yun, J. C.] Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA. [Piedra Gomez, J.; Acosta, D.; Avery, P.; Bourilkov, D.; Chen, M.; Das, S.; De Gruttola, M.; Di Giovanni, G. P.; Dobur, D.; Drozdetskiy, A.; Field, R. D.; Fisher, M.; Fu, Y.; Furic, I. K.; Gartner, J.; Goldberg, S.; Hugon, J.; Kim, B.; Konigsberg, J.; Korytov, A.; Kropivnitskaya, A.; Kypreos, T.; Low, J. F.; Matchev, K.; Mitselmakher, G.; Muniz, L.; Myeonghun, P.; Remington, R.; Rinkevicius, A.; Schmitt, M.; Scurlock, B.; Sellers, P.; Skhirtladze, N.; Snowball, M.; Wang, D.; Yelton, J.; Zakaria, M.] Univ Florida, Gainesville, FL USA. [Gaultney, V.; Lebolo, L. M.; Linn, S.; Markowitz, P.; Martinez, G.; Rodriguez, J. L.] Florida Int Univ, Miami, FL 33199 USA. [Adams, T.; Askew, A.; Bochenek, J.; Chen, J.; Diamond, B.; Gleyzer, S. V.; Haas, J.; Hagopian, S.; Hagopian, V.; Jenkins, M.; Johnson, K. F.; Prosper, H.; Sekmen, S.; Veeraraghavan, V.] Florida State Univ, Tallahassee, FL 32306 USA. [Baarmand, M. M.; Dorney, B.; Hohlmann, M.; Kalakhety, H.; Vodopiyanov, I.] Florida Inst Technol, Melbourne, FL 32901 USA. [Adams, M. R.; Anghel, I. M.; Apanasevich, L.; Bai, Y.; Bazterra, V. E.; Betts, R. R.; Callner, J.; Cavanaugh, R.; Dragoiu, C.; Gauthier, L.; Gerber, C. E.; Hofman, D. J.; Khalatyan, S.; Kunde, G. J.; Lacroix, F.; Malek, M.; O'Brien, C.; Silkworth, C.; Silvestre, C.; Smoron, A.; Strom, D.; Varelas, N.] Univ Illinois Chicago UIC, Chicago, IL USA. [Ozturk, S.; Akgun, U.; Albayrak, E. A.; Bilki, B.; Clarida, W.; Duru, F.; Lae, C. K.; McCliment, E.; Merlo, J. -P.; Mermerkaya, H.; Mestvirishvili, A.; Moeller, A.; Nachtman, J.; Newsom, C. R.; Norbeck, E.; Olson, J.; Onel, Y.; Ozok, F.; Sen, S.; Wetzel, J.; Yetkin, T.; Yi, K.] Univ Iowa, Iowa City, IA USA. [Barnett, B. A.; Blumenfeld, B.; Bonato, A.; Eskew, C.; Fehling, D.; Giurgiu, G.; Gritsan, A. V.; Guo, Z. J.; Hu, G.; Maksimovic, P.; Rappoccio, S.; Swartz, M.; Tran, N. V.; Whitbeck, A.] Johns Hopkins Univ, Baltimore, MD USA. [Sibille, J.; Baringer, P.; Bean, A.; Benelli, G.; Grachov, O.; Iii, R. P. Kenny; Murray, M.; Noonan, D.; Sanders, S.; Stringer, R.; Wood, J. S.; Zhukova, V.] Univ Kansas, Lawrence, KS 66045 USA. [Barfuss, A. F.; Bolton, T.; Chakaberia, I.; Ivanov, A.; Khalil, S.; Makouski, M.; Maravin, Y.; Shrestha, S.; Svintradze, I.] Kansas State Univ, Manhattan, KS 66506 USA. [Gronberg, J.; Lange, D.; Wright, D.] Lawrence Livermore Natl Lab, Livermore, CA USA. [Baden, A.; Boutemeur, M.; Eno, S. C.; Ferencek, D.; Gomez, J. A.; Hadley, N. J.; Kellogg, R. G.; Kirn, M.; Lu, Y.; Mignerey, A. C.; Rossato, K.; Rumerio, P.; Santanastasio, F.; Skuja, A.; Temple, J.; Tonwar, S. C.; Twedt, E.] Univ Maryland, College Pk, MD 20742 USA. [Alver, B.; Bauer, G.; Bendavid, J.; Busza, W.; Butz, E.; Cali, I. A.; Chan, M.; Dutta, V.; Everaerts, P.; Ceballos, G. Gomez; Goncharov, M.; Hahn, K. A.; Harris, P.; Kim, Y.; Klute, M.; Lee, Y. -J.; Li, W.; Loizides, C.; Luckey, P. D.; Ma, T.; Nahn, S.; Paus, C.; Ralph, D.; Roland, C.; Roland, G.; Rudolph, M.; Stephans, G. S. F.; Stoeckli, F.; Sumorok, K.; Sung, K.; Velicanu, D.; Wenger, E. A.; Wolf, R.; Wyslouch, B.; Xie, S.; Yang, M.; Yilmaz, Y.; Yoon, A. S.; Zanetti, M.] MIT, Cambridge, MA 02139 USA. [Cooper, S. I.; Cushman, P.; Dahmes, B.; De Benedetti, A.; Franzoni, G.; Gude, A.; Haupt, J.; Klapoetke, K.; Kubota, Y.; Mans, J.; Pastika, N.; Rekovic, V.; Rusack, R.; Sasseville, M.; Singovsky, A.; Tambe, N.; Turkewitz, J.] Univ Minnesota, Minneapolis, MN USA. [Cremaldi, L. M.; Godang, R.; Kroeger, R.; Perera, L.; Rahmat, R.; Sanders, D. A.; Summers, D.] Univ Mississippi, University, MS 38677 USA. [Bloom, K.; Bose, S.; Butt, J.; Claes, D. R.; Dominguez, A.; Eads, M.; Jindal, P.; Keller, J.; Kelly, T.; Kravchenko, I.; Lazo-Flores, J.; Malbouisson, H.; Malik, S.; Snow, G. R.] Univ Nebraska, Lincoln, NE USA. [Baur, U.; Godshalk, A.; Iashvili, I.; Jain, S.; Kharchilava, A.; Kumar, A.; Smith, K.; Wan, Z.] SUNY Buffalo, Buffalo, NY 14260 USA. [Alverson, G.; Barberis, E.; Baumgartel, D.; Boeriu, O.; Chasco, M.; Reucroft, S.; Swain, J.; Trocino, D.; Wood, D.; Zhang, J.] Northeastern Univ, Boston, MA 02115 USA. [Anastassov, A.; Kubik, A.; Mucia, N.; Odell, N.; Ofierzynski, R. A.; Pollack, B.; Pozdnyakov, A.; Schmitt, M.; Stoynev, S.; Velasco, M.; Won, S.] Northwestern Univ, Evanston, IL USA. [Antonelli, L.; Berry, D.; Brinkerhoff, A.; Hildreth, M.; Jessop, C.; Karmgard, D. J.; Kolb, J.; Kolberg, T.; Lannon, K.; Luo, W.; Lynch, S.; Marinelli, N.; Morse, D. 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H.; Neumeister, N.; Shipsey, I.; Silvers, D.; Svyatkovskiy, A.; Marono, M. Vidal; Yoo, H. D.; Zablocki, J.; Zheng, Y.] Purdue Univ, W Lafayette, IN 47907 USA. [Guragain, S.; Parashar, N.] Purdue Univ Calumet, Hammond, IN USA. [Adair, A.; Boulahouache, C.; Ecklund, K. M.; Geurts, F. J. M.; Padley, B. P.; Redjimi, R.; Roberts, J.; Zabel, J.] Rice Univ, Houston, TX USA. [Betchart, B.; Bodek, A.; Chung, Y. S.; Covarelli, R.; de Barbaro, P.; Demina, R.; Eshaq, Y.; Flacher, H.; Garcia-Bellido, A.; Goldenzweig, P.; Gotra, Y.; Han, J.; Harel, A.; Miner, D. C.; Petrillo, G.; Sakumoto, W.; Vishnevskiy, D.; Zielinski, M.] Univ Rochester, Rochester, NY USA. [Bhatti, A.; Ciesielski, R.; Demortier, L.; Goulianos, K.; Lungu, G.; Malik, S.; Mesropian, C.] Rockefeller Univ, New York, NY 10021 USA. 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KIM, Tae Jeong/0000-0001-8336-2434; Lazzizzera, Ignazio/0000-0001-5092-7531; Sen, Sercan/0000-0001-7325-1087; D'Alessandro, Raffaello/0000-0001-7997-0306; Belyaev, Alexander/0000-0002-1733-4408; Trocsanyi, Zoltan/0000-0002-2129-1279; Konecki, Marcin/0000-0001-9482-4841; Hernandez Calama, Jose Maria/0000-0001-6436-7547; Bedoya, Cristina/0000-0001-8057-9152; Russ, James/0000-0001-9856-9155; Calvo Alamillo, Enrique/0000-0002-1100-2963; Cerrada, Marcos/0000-0003-0112-1691; Stahl, Achim/0000-0002-8369-7506; Dudko, Lev/0000-0002-4462-3192; Hektor, Andi/0000-0001-7873-8118; Grandi, Claudio/0000-0001-5998-3070; Azzi, Patrizia/0000-0002-3129-828X; Scodellaro, Luca/0000-0002-4974-8330; Paulini, Manfred/0000-0002-6714-5787; Vogel, Helmut/0000-0002-6109-3023; Marinho, Franciole/0000-0002-7327-0349; Ferguson, Thomas/0000-0001-5822-3731; Ragazzi, Stefano/0000-0001-8219-2074; Benussi, Luigi/0000-0002-2363-8889; Ivanov, Andrew/0000-0002-9270-5643; Hill, Christopher/0000-0003-0059-0779; Troitsky, Sergey/0000-0001-6917-6600; Codispoti, Giuseppe/0000-0003-0217-7021; de Jesus Damiao, Dilson/0000-0002-3769-1680; Montanari, Alessandro/0000-0003-2748-6373; Amapane, Nicola/0000-0001-9449-2509; Della Ricca, Giuseppe/0000-0003-2831-6982; Mundim, Luiz/0000-0001-9964-7805; Rolandi, Luigi (Gigi)/0000-0002-0635-274X; Tomei, Thiago/0000-0002-1809-5226; Focardi, Ettore/0000-0002-3763-5267; Novaes, Sergio/0000-0003-0471-8549; Wulz, Claudia-Elisabeth/0000-0001-9226-5812; Katkov, Igor/0000-0003-3064-0466; Krammer, Manfred/0000-0003-2257-7751; Tinoco Mendes, Andre David/0000-0001-5854-7699; Heath, Helen/0000-0001-6576-9740; Ruiz, Alberto/0000-0002-3639-0368; Dubinin, Mikhail/0000-0002-7766-7175; Ligabue, Franco/0000-0002-1549-7107; Goh, Junghwan/0000-0002-1129-2083; Dogangun, Oktay/0000-0002-1255-2211; Wimpenny, Stephen/0000-0003-0505-4908; Yazgan, Efe/0000-0001-5732-7950; Govoni, Pietro/0000-0002-0227-1301; Dahms, Torsten/0000-0003-4274-5476; Rovelli, Tiziano/0000-0002-9746-4842; Tuominen, Eija/0000-0002-7073-7767; Gerbaudo, Davide/0000-0002-4463-0878; FU FMSR (Austria); FNRS; FWO (Belgium); CNPq; CAPES; FAPERJ; FAPESP (Brazil); MES (Bulgaria); CERN; CAS; MoST; NSFC (China); COLCIENCIAS (Colombia); MSES (Croatia); RPF (Cyprus); Academy of Sciences; NICPB (Estonia); Academy of Finland; ME; HIP (Finland); CEA; CNRS/IN2P3 (France); BMBF; DFG; HGF (Germany); GSRT (Greece); OTKA; NKTH (Hungary); DAE; DST (India); IPM (Iran); SFI (Ireland); INFN (Italy); NRF; WCU (Korea); LAS (Lithuania); CINVESTAV; CONACYT; SEP; UASLP-FAI (Mexico); PAEC (Pakistan); SCSR (Poland); FCT (Portugal); JINR (Armenia); MST; MAE (Russia); MSTD (Serbia); MICINN; CPAN (Spain); Swiss Funding Agencies (Switzerland); NSC (Taipei); TUBITAK; TAEK (Turkey); STFC (United Kingdom); DOE; NSF (U.S.); JINR (Belarus); JINR (Georgia); JINR (Ukraine); JINR (Uzbekistan) FX We wish to congratulate our colleagues in the CERN accelerator departments for the excellent performance of the LHC machine. We thank the technical and administrative staff at CERN and other CMS institutes, and acknowledge support from FMSR (Austria); FNRS and FWO (Belgium); CNPq, CAPES, FAPERJ, and FAPESP (Brazil); MES (Bulgaria); CERN; CAS, MoST, and NSFC (China); COLCIENCIAS (Colombia); MSES (Croatia); RPF (Cyprus); Academy of Sciences and NICPB (Estonia); Academy of Finland, ME, and HIP (Finland); CEA and CNRS/IN2P3 (France); BMBF, DFG, and HGF (Germany); GSRT (Greece); OTKA and NKTH (Hungary); DAE and DST (India); IPM (Iran); SFI (Ireland); INFN (Italy); NRF and WCU (Korea); LAS (Lithuania); CINVESTAV, CONACYT, SEP, and UASLP-FAI (Mexico); PAEC (Pakistan); SCSR (Poland); FCT (Portugal); JINR (Armenia, Belarus, Georgia, Ukraine, Uzbekistan); MST and MAE (Russia); MSTD (Serbia); MICINN and CPAN (Spain); Swiss Funding Agencies (Switzerland); NSC (Taipei); TUBITAK and TAEK (Turkey); STFC (United Kingdom); DOE and NSF (U.S.). NR 33 TC 156 Z9 157 U1 5 U2 91 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 0031-9007 EI 1079-7114 J9 PHYS REV LETT JI Phys. Rev. Lett. PD DEC 29 PY 2011 VL 107 IS 27 AR 271802 DI 10.1103/PhysRevLett.107.271802 PG 15 WC Physics, Multidisciplinary SC Physics GA 869PT UT WOS:000298611000010 PM 22243304 ER PT J AU Sykes, AG Ballagh, RJ AF Sykes, A. G. Ballagh, R. J. TI Probing the Quantum State of a 1D Bose Gas Using Off-Resonant Light Scattering SO PHYSICAL REVIEW LETTERS LA English DT Article ID EINSTEIN CONDENSATE; PHASE AB We present a theoretical treatment of coherent light scattering from an interacting 1D Bose gas at finite temperatures. We show how this can provide a nondestructive measurement of the atomic system states. The equilibrium states are determined by the temperature and interaction strength, and are characterized by the spatial density-density correlation function. We show how this correlation function is encoded in the angular distribution of the fluctuations of the scattered light intensity, thus providing a sensitive, quantitative probe of the density-density correlation function and therefore the quantum state of the gas. C1 [Sykes, A. G.; Ballagh, R. J.] Univ Otago, Dept Phys, Jack Dodd Ctr Quantum Technol, Dunedin, New Zealand. [Sykes, A. G.] Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA. [Sykes, A. G.] Los Alamos Natl Lab, Ctr Nonlinear Studies, Los Alamos, NM 87545 USA. RP Sykes, AG (reprint author), Univ Otago, Dept Phys, Jack Dodd Ctr Quantum Technol, POB 56, Dunedin, New Zealand. RI Sykes, Andrew/C-9590-2014 FU New Zealand Foundation for Research, Science and Technology [NERF-UOOX0703]; U.S. Department of Energy through the LANL/LDRD FX This work was supported by the New Zealand Foundation for Research, Science and Technology under Contract No. NERF-UOOX0703. A. G. S. gratefully acknowledges the support of the U.S. Department of Energy through the LANL/LDRD Program for this work. NR 30 TC 3 Z9 3 U1 0 U2 1 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 0031-9007 EI 1079-7114 J9 PHYS REV LETT JI Phys. Rev. Lett. PD DEC 29 PY 2011 VL 107 IS 27 AR 270403 DI 10.1103/PhysRevLett.107.270403 PG 5 WC Physics, Multidisciplinary SC Physics GA 869PT UT WOS:000298611000002 PM 22243293 ER PT J AU Le Borgne, T Bolster, D Dentz, M de Anna, P Tartakovsky, A AF Le Borgne, T. Bolster, D. Dentz, M. de Anna, P. Tartakovsky, A. TI Effective pore-scale dispersion upscaling with a correlated continuous time random walk approach SO WATER RESOURCES RESEARCH LA English DT Article ID HETEROGENEOUS POROUS-MEDIA; NON-FICKIAN TRANSPORT; TAYLOR DISPERSION; ANOMALOUS DIFFUSION; STOCHASTIC-ANALYSIS; SOLUTE TRANSPORT; LEVY MOTION; FLOW; FIELD; EQUATION AB We investigate the upscaling of dispersion from a pore-scale analysis of Lagrangian velocities. A key challenge in the upscaling procedure is to relate the temporal evolution of spreading to the pore-scale velocity field properties. We test the hypothesis that one can represent Lagrangian velocities at the pore scale as a Markov process in space. The resulting effective transport model is a continuous time random walk (CTRW) characterized by a correlated random time increment, here denoted as correlated CTRW. We consider a simplified sinusoidal wavy channel model as well as a more complex heterogeneous pore space. For both systems, the predictions of the correlated CTRW model, with parameters defined from the velocity field properties (both distribution and correlation), are found to be in good agreement with results from direct pore-scale simulations over preasymptotic and asymptotic times. In this framework, the nontrivial dependence of dispersion on the pore boundary fluctuations is shown to be related to the competition between distribution and correlation effects. In particular, explicit inclusion of spatial velocity correlation in the effective CTRW model is found to be important to represent incomplete mixing in the pore throats. C1 [Le Borgne, T.; de Anna, P.] Univ Rennes 1, CNRS, UMR 6118, F-35042 Rennes, France. [Bolster, D.] Univ Notre Dame, Environm Fluid Dynam Labs, Dept Civil Engn & Geol Sci, Notre Dame, IN 46556 USA. [Dentz, M.] Inst Environm Assessment & Water Res, E-08034 Barcelona, Spain. [Tartakovsky, A.] Pacific NW Natl Lab, Computat Math Grp, Richland, WA 99352 USA. RP Le Borgne, T (reprint author), Univ Rennes 1, CNRS, UMR 6118, F-35042 Rennes, France. EM tanguy.le-borgne@univ-rennes1.fr RI Bolster, Diogo/D-9667-2011; Experiences, Modelisation/A-2664-2013; Le Borgne, Tanguy/A-2807-2013; Dentz, Marco/C-1076-2015 OI Bolster, Diogo/0000-0003-3960-4090; Dentz, Marco/0000-0002-3940-282X FU French National Research Agency [ANR-07-VULN-008]; European Commission [212298]; Marie Curie ERG [230947]; NSF [EAR-1113704]; Office of Science, U.S. Department of Energy, at the Pacific Northwest National Laboratory; U.S. Department of Energy by Battelle [DE-AC06-76RL01830] FX We acknowledge the financial support of the French National Research Agency through the project MOHINI (ANR-07-VULN-008). The financial support of the European Commission through FP7 ITN IMVUL (grant agreement 212298) is gratefully acknowledged. T. Le Borgne acknowledges the support of the Marie Curie ERG grant Reactive-Flows (grant agreement 230947). D. Bolster would like to express thanks for financial support via NSF grant EAR-1113704. A. Tartakovsky was supported by the Advanced Scientific Computing Research Program of the Office of Science, U.S. Department of Energy, at the Pacific Northwest National Laboratory. The Pacific Northwest National Laboratory is operated for the U.S. Department of Energy by Battelle under contract DE-AC06-76RL01830. Any opinions, findings, conclusions, or recommendations do not necessarily reflect the views of the funding agencies. NR 67 TC 20 Z9 20 U1 0 U2 30 PU AMER GEOPHYSICAL UNION PI WASHINGTON PA 2000 FLORIDA AVE NW, WASHINGTON, DC 20009 USA SN 0043-1397 EI 1944-7973 J9 WATER RESOUR RES JI Water Resour. Res. PD DEC 29 PY 2011 VL 47 AR W12538 DI 10.1029/2011WR010457 PG 10 WC Environmental Sciences; Limnology; Water Resources SC Environmental Sciences & Ecology; Marine & Freshwater Biology; Water Resources GA 871SA UT WOS:000298756800001 ER PT J AU Lou, SJ Szarko, JM Xu, T Yu, LP Marks, TJ Chen, LX AF Lou, Sylvia J. Szarko, Jodi M. Xu, Tao Yu, Luping Marks, Tobin J. Chen, Lin X. TI Effects of Additives on the Morphology of Solution Phase Aggregates Formed by Active Layer Components of High-Efficiency Organic Solar Cells SO JOURNAL OF THE AMERICAN CHEMICAL SOCIETY LA English DT Article ID POWER CONVERSION EFFICIENCY; FILM MORPHOLOGY; PERFORMANCE AB Processing additives are used in organic photovoltaic systems to optimize the active layer film morphology. However, the actual mechanism is not well understood. Using X-ray scattering techniques, we analyze the effects of an additive diiodooctane (DIO) on the aggregation of a high-efficiency donor polymer PTB7 and an acceptor molecule PC(71)BM under solar cell processing conditions. We conclude that DIO selectively dissolves PC(71)BM aggregates, allowing their intercalation into PTB7 domains, thereby optimizing both the domain size and the PTB7-PC(71)BM interface. C1 [Lou, Sylvia J.; Szarko, Jodi M.; Yu, Luping; Marks, Tobin J.; Chen, Lin X.] Northwestern Univ, Argonne NW Solar Energy Res ANSER Ctr, Evanston, IL 60208 USA. [Lou, Sylvia J.; Szarko, Jodi M.; Marks, Tobin J.; Chen, Lin X.] Northwestern Univ, Dept Chem, Evanston, IL 60208 USA. [Xu, Tao; Yu, Luping] Univ Chicago, Dept Chem, Chicago, IL 60637 USA. [Xu, Tao; Yu, Luping] Univ Chicago, James Franck Inst, Chicago, IL 60637 USA. [Chen, Lin X.] Argonne Natl Lab, Chem Sci & Engn Div, Argonne, IL 60439 USA. RP Yu, LP (reprint author), Northwestern Univ, Argonne NW Solar Energy Res ANSER Ctr, Evanston, IL 60208 USA. EM lupingyu@chicago.edu; t-marks@northwestern.edu; l-chen@northwestern.edu OI Szarko, Jodi/0000-0002-2181-9408 FU ANSER Center, an Energy Frontier Research Center; U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences [DE-SC0001059]; Division of Chemical Sciences, Office of Basic Energy Sciences, the U.S. Department of Energy [DE-AC02-06CH11357]; U.S. DOE [DE-AC02-06CH11357] FX This material is based upon work supported as part of the ANSER Center, an Energy Frontier Research Center funded by the U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences under Award Number DE-SC0001059. L.Y. and T.X. thank the National Science Foundation (NSF DMR-1004195), the National Science Foundation-Materials Research Science and Engineering Center at University of Chicago, and the Air Force Office of Scientific Research. A portion of the equipment and laboratory setting is supported by the Division of Chemical Sciences, Office of Basic Energy Sciences, the U.S. Department of Energy under Contract DE-AC02-06CH11357 (for L.X.C.). Use of the Advanced Photon Source, an Office of Science User Facility operated for the U.S. Department of Energy (DOE) Office of Science by Argonne National Laboratory, was supported by the U.S. DOE under Contract No. DE-AC02-06CH11357. NR 21 TC 286 Z9 287 U1 19 U2 232 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0002-7863 J9 J AM CHEM SOC JI J. Am. Chem. Soc. PD DEC 28 PY 2011 VL 133 IS 51 BP 20661 EP 20663 DI 10.1021/ja2085564 PG 3 WC Chemistry, Multidisciplinary SC Chemistry GA 869BV UT WOS:000298571600001 PM 22126463 ER PT J AU Challa, SR Delariva, AT Hansen, TW Helveg, S Sehested, J Hansen, PL Garzon, F Datye, AK AF Challa, Sivakumar R. Delariva, Andrew T. Hansen, Thomas W. Helveg, Stig Sehested, Jens Hansen, Poul L. Garzon, Fernando Datye, Abhaya K. TI Relating Rates of Catalyst Sintering to the Disappearance of Individual Nanoparticles during Ostwald Ripening SO JOURNAL OF THE AMERICAN CHEMICAL SOCIETY LA English DT Article ID SUPPORTED METAL-CATALYSTS; STEAM-REFORMING CATALYSTS; SIZE DISTRIBUTIONS; MECHANISM; SILVER; DEGRADATION; ADSORPTION; DIFFUSION; PARTICLES; SURFACES AB Sintering of nanoparticles (NPs) of Ni supported on MgAl2O4 was monitored in situ using transmission electron microscopy (TEM) during exposure to an equimolar mixture of H-2 and H2O at a pressure of 3.6 mbar at 750 degrees C, conditions relevant to methane steam reforming. The TEM images revealed an increase in the mean particle size due to disappearance of smaller, immobile NPs and the resultant growth of the larger NPs. A new approach for predicting the long-term sintering of NPs is presented wherein microscopic observations of the ripening of individual NPs (over a span of a few seconds) are used to extract energetic parameters that allow a description of the collective behavior of the entire population of NPs (over several tens of minutes). C1 [Challa, Sivakumar R.; Delariva, Andrew T.; Hansen, Thomas W.; Datye, Abhaya K.] Univ New Mexico, Albuquerque, NM 87131 USA. [Delariva, Andrew T.; Hansen, Thomas W.; Helveg, Stig; Sehested, Jens; Hansen, Poul L.] Haldor Topsoe Res Labs, DK-2800 Lyngby, Denmark. [Hansen, Thomas W.] Tech Univ Denmark, Ctr Electron Nanoscopy, DK-2800 Lyngby, Denmark. [Garzon, Fernando] Los Alamos Natl Lab, Los Alamos, NM 87545 USA. RP Datye, AK (reprint author), Univ New Mexico, Albuquerque, NM 87131 USA. EM datye@unm.edu RI Hansen, Thomas/H-5367-2011; OI Hansen, Thomas/0000-0002-1861-3054; Datye, Abhaya/0000-0002-7126-8659 FU DOE-EERE Office of Fuel Cell Technology; Haldor Topsoe A/S; CTCI Foundation, Taiwan; NSF [CTS-0500471, OISE-0730277] FX Financial support from the DOE-EERE Office of Fuel Cell Technology is gratefully acknowledged. We also acknowledge support from Haldor Topsoe A/S and the participation of the CTCI Foundation, Taiwan, in the establishment of the in situ TEM facility used in this study. A.T.D. and A.K.D. acknowledge financial support from NSF Grants CTS-0500471 and OISE-0730277. NR 35 TC 73 Z9 75 U1 8 U2 136 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0002-7863 J9 J AM CHEM SOC JI J. Am. Chem. Soc. PD DEC 28 PY 2011 VL 133 IS 51 BP 20672 EP 20675 DI 10.1021/ja208324n PG 4 WC Chemistry, Multidisciplinary SC Chemistry GA 869BV UT WOS:000298571600004 PM 22087502 ER PT J AU Wang, XL Han, WQ Chen, HY Bai, JM Tyson, TA Yu, XQ Wang, XJ Yang, XQ AF Wang, Xiao-Liang Han, Wei-Qiang Chen, Haiyan Bai, Jianming Tyson, Trevor A. Yu, Xi-Qian Wang, Xiao-Jian Yang, Xiao-Qing TI Amorphous Hierarchical Porous GeOx as High-Capacity Anodes for Li Ion Batteries with Very Long Cycling Life SO JOURNAL OF THE AMERICAN CHEMICAL SOCIETY LA English DT Article ID LITHIUM; PERFORMANCE; GERMANIUM; NANOPARTICLES; ELECTRODES; NANOWIRES; COMPOSITE; HOLLOW AB Many researchers have focused in recent years on resolving the crucial problem of capacity fading in Li ion batteries when carbon anodes are replaced by other group-IV elements (Si, Ge, Sn) with much higher capacities. Some progress was achieved by using different nanostructures (mainly carbon coatings), with which the cycle numbers reached 100-200. However, obtaining longer stability via a simple process remains challenging. Here we demonstrate that a nanostructure of amorphous hierarchical porous GeOx whose primary particles are similar to 3.7 nm diameter has a very stable capacity of similar to 1250 mA h g(-1) for 600 cycles. Furthermore, we show that a full cell coupled with a Li(NiCoMn)(1/3)O-2 cathode exhibits high performance. C1 [Wang, Xiao-Liang; Han, Wei-Qiang] Brookhaven Natl Lab, Ctr Funct Nanomat, Upton, NY 11973 USA. [Chen, Haiyan; Tyson, Trevor A.] New Jersey Inst Technol, Dept Phys, Newark, NJ 07102 USA. [Bai, Jianming] Univ Tennessee, Knoxville, TN 37996 USA. [Bai, Jianming] Oak Ridge Natl Lab, High Temp Mat Lab, Oak Ridge, TN 37831 USA. [Yu, Xi-Qian; Wang, Xiao-Jian; Yang, Xiao-Qing] Brookhaven Natl Lab, Dept Chem, Upton, NY 11973 USA. RP Han, WQ (reprint author), Brookhaven Natl Lab, Ctr Funct Nanomat, Upton, NY 11973 USA. EM whan@bnl.gov RI Chen, Haiyan/C-8109-2012; Han, WQ/E-2818-2013; Bai, Jianming/O-5005-2015; Yu, Xiqian/B-5574-2014 OI Yu, Xiqian/0000-0001-8513-518X FU U.S. Department of Energy, Office of Basic Energy Sciences [DE-AC02-98CH10886]; Brookhaven National Laboratory; Assistant Secretary for Energy Efficiency and Renewable Energy, Office of Vehicle Technologies, under the Vehicle Technology Program FX Research was carried out at the Center for Functional Nanomaterials, Brookhaven National Laboratory, which is supported by the U.S. Department of Energy, Office of Basic Energy Sciences, under Contract DE-AC02-98CH10886. This work was also supported by an E-LDRD Fund of Brookhaven National Laboratory. X. J. Wang, X. Q. Yu, and X. Q Yang were supported by the Assistant Secretary for Energy Efficiency and Renewable Energy, Office of Vehicle Technologies, under the Vehicle Technology Program. We thank Dr. Hong Li (Institute of Physics, Chinese Academy of Sciences) for valuable discussions. NR 23 TC 163 Z9 165 U1 18 U2 154 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0002-7863 J9 J AM CHEM SOC JI J. Am. Chem. Soc. PD DEC 28 PY 2011 VL 133 IS 51 BP 20692 EP 20695 DI 10.1021/ja208880f PG 4 WC Chemistry, Multidisciplinary SC Chemistry GA 869BV UT WOS:000298571600009 PM 22141466 ER PT J AU Yakovlev, S Wang, X Ercius, P Balsara, NP Downing, KH AF Yakovlev, Sergey Wang, Xin Ercius, Peter Balsara, Nitash P. Downing, Kenneth H. TI Direct Imaging of Nanoscale Acidic Clusters in a Polymer Electrolyte Membrane SO JOURNAL OF THE AMERICAN CHEMICAL SOCIETY LA English DT Article ID ION-EXCHANGE MEMBRANES; X-RAY-SCATTERING; IONOMERS; NAFION; MICROSCOPY; COPOLYMERS; MICROSTRUCTURE; MORPHOLOGY; TRANSPORT; STATE AB One of the factors hindering the development of technologies that rely on the use of proton-conducting polyelectrolyte membranes is the lack of control over the membrane morphology on the nanoscale. Of particular importance is the rearrangement and clustering of acidic groups, which may seriously degrade the electrical properties. Although electron microscopy is capable of imaging the morphology of the clusters, images of unmodified membranes with sufficient quality to discriminate between different proposed cluster morphology models have not been presented. Here we show the first determination of the cluster size distribution in a model polymer electrolyte membrane from electron micrographs of individual acidic clusters. Imaging of the sulfur-rich clusters by dark-field microscopy was facilitated by the spontaneous formation of thin, cluster-containing layers on the top and bottom surfaces of free-standing films with a thickness of similar to 35 nm. C1 [Downing, Kenneth H.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Div Life Sci, Berkeley, CA 94720 USA. [Yakovlev, Sergey; Balsara, Nitash P.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Div Mat Sci, Berkeley, CA 94720 USA. [Wang, Xin; Balsara, Nitash P.] Univ Calif Berkeley, Dept Chem & Biomol Engn, Berkeley, CA 94720 USA. [Ercius, Peter] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Natl Ctr Electron Microscopy, Berkeley, CA 94720 USA. RP Downing, KH (reprint author), Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Div Life Sci, Berkeley, CA 94720 USA. EM khdowning@lbl.gov FU U.S. Department of Energy [DE-AC02-05CH11231]; Office of Basic Energy Sciences, Materials Sciences and Engineering Division; Office of Science, Office of Basic Energy Sciences, U.S. Department of Energy [DE-AC02-0SCH11231] FX We thank Drs. Robert M. Glaeser and John B. Kerr (LBNL) for helpful discussions. We also grateful to Dr. Puey Ounjai for the help with analysis of bright-field tomography data. Funding for this work was provided by the U.S. Department of Energy under Contract DE-AC02-05CH11231 through the Electron Microscopy of Soft Matter Program (electrolyte imaging) supported by the Office of Basic Energy Sciences, Materials Sciences and Engineering Division. Part of this work was performed at the National Center for Electron Microscopy and the Molecular Foundry at LBNL, which are supported by the Office of Science, Office of Basic Energy Sciences, U.S. Department of Energy under Contract DE-AC02-0SCH11231. NR 28 TC 9 Z9 9 U1 3 U2 52 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0002-7863 J9 J AM CHEM SOC JI J. Am. Chem. Soc. PD DEC 28 PY 2011 VL 133 IS 51 BP 20700 EP 20703 DI 10.1021/ja209240d PG 4 WC Chemistry, Multidisciplinary SC Chemistry GA 869BV UT WOS:000298571600011 PM 22107080 ER PT J AU Zhang, YY Haberkorn, N Ronning, F Wang, HY Mara, NA Zhuo, MJ Chen, L Lee, JH Blackmore, KJ Bauer, E Burrell, AK McCleskey, TM Hawley, ME Schulze, RK Civale, L Tajima, T Jia, QX AF Zhang, Yingying Haberkorn, Nestor Ronning, Filip Wang, Haiyan Mara, Nathan A. Zhuo, Mujin Chen, Li Lee, Joon Hwan Blackmore, Karen J. Bauer, Eve Burrell, Anthony K. McCleskey, Thomas M. Hawley, Marilyn E. Schulze, Roland K. Civale, Leonardo Tajima, Tsuyoshi Jia, Quanxi TI Epitaxial Superconducting delta-MoN Films Grown by a Chemical Solution Method SO JOURNAL OF THE AMERICAN CHEMICAL SOCIETY LA English DT Article ID TRANSITION-METAL NITRIDES; MOLYBDENUM NITRIDE; THIN-FILMS; DEPOSITION; MAGNETIZATION; CARBIDES AB The synthesis of pure delta-MoN with desired superconducting properties usually requires extreme conditions, such as high temperature and high pressure, which hinders its fundamental studies and applications. Herein, by using a chemical solution method, epitaxial delta-MoN thin films have been grown on c-cut Al(2)O(3) substrates at a temperature lower than 900 degrees C and an ambient pressure. The films are phase pure and show a T(c) of 13.0 K with a sharp transition. In addition, the films show a high critical field and excellent current carrying capabilities, which further prove the superior quality of these chemically prepared epitaxial thin films. C1 [Zhang, Yingying; Haberkorn, Nestor; Ronning, Filip; Mara, Nathan A.; Zhuo, Mujin; Blackmore, Karen J.; Bauer, Eve; Burrell, Anthony K.; McCleskey, Thomas M.; Civale, Leonardo; Jia, Quanxi] Los Alamos Natl Lab, Div Mat Phys & Applicat, Los Alamos, NM 87545 USA. [Hawley, Marilyn E.; Schulze, Roland K.] Los Alamos Natl Lab, Div Mat Sci & Technol, Los Alamos, NM 87545 USA. [Tajima, Tsuyoshi] Los Alamos Natl Lab, Los Alamos Neutron Sci Ctr, Los Alamos, NM 87545 USA. [Zhang, Yingying] Tsinghua Univ, Ctr Nano & Micro Mech CNMM, Beijing 100084, Peoples R China. [Wang, Haiyan; Chen, Li; Lee, Joon Hwan] Texas A&M Univ, Dept Elect & Comp Engn, College Stn, TX 77843 USA. RP Zhang, YY (reprint author), Los Alamos Natl Lab, Div Mat Phys & Applicat, POB 1663, Los Alamos, NM 87545 USA. EM yingyingzhang@tsinghua.edu.cn; qxjia@lanl.gov RI Zhang, Yingying/A-7260-2009; McCleskey, Thomas/J-4772-2012; Chen, Li/A-2590-2014; Jia, Q. X./C-5194-2008; Mara, Nathan/J-4509-2014; Wang, Haiyan/P-3550-2014; OI Zhang, Yingying/0000-0002-8448-3059; Wang, Haiyan/0000-0002-7397-1209; Ronning, Filip/0000-0002-2679-7957; Civale, Leonardo/0000-0003-0806-3113; Schulze, Roland/0000-0002-6601-817X; Mccleskey, Thomas/0000-0003-3750-3245; Mara, Nathan/0000-0002-9135-4693 FU U.S. Department of Energy, Office of Basic Energy Sciences (Division of Materials Sciences and Engineering) FX This work was performed, in part, at the Center for Integrated Nanotechnologies, Los Alamos National Laboratory. The work of L.C. and N.H. was supported by the U.S. Department of Energy, Office of Basic Energy Sciences (Division of Materials Sciences and Engineering). NR 20 TC 21 Z9 21 U1 4 U2 53 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0002-7863 J9 J AM CHEM SOC JI J. Am. Chem. Soc. PD DEC 28 PY 2011 VL 133 IS 51 BP 20735 EP 20737 DI 10.1021/ja208868k PG 3 WC Chemistry, Multidisciplinary SC Chemistry GA 869BV UT WOS:000298571600020 PM 22126391 ER PT J AU Sanii, B Kudirka, R Cho, A Venkateswaran, N Olivier, GK Olson, AM Tran, H Harada, RM Tan, L Zuckermann, RN AF Sanii, Babak Kudirka, Romas Cho, Andrew Venkateswaran, Neeraja Olivier, Gloria K. Olson, Alexander M. Tran, Helen Harada, R. Marika Tan, Li Zuckermann, Ronald N. TI Shaken, Not Stirred: Collapsing a Peptoid Monolayer To Produce Free-Floating, Stable Nanosheets SO JOURNAL OF THE AMERICAN CHEMICAL SOCIETY LA English DT Article ID AIR-WATER-INTERFACE; LIPID MONOLAYERS; PEPTIDE; TRANSITIONS; DISCOVERY; MEMBRANES; CRYSTALS; PHASE AB Two-dimensional nanomaterials play a critical role in biology (e.g., lipid bilayers) and electronics (e.g., graphene) but are difficult to directly synthesize with a high level Work of precision. Peptoid nanosheet bilayers are a versatile synthetic platform for constructing multifunctional, precisely ordered two-dimensional nanostructures. Here we show that nanosheet formation occurs through an unusual monolayer intermediate at the air-water interface. Lateral compression of a self-assembled peptoid monolayer beyond a critical collapse pressure results in the irreversible production of nanosheets. An unusual thermodynamic cycle is employed on a preparative scale, where mechanical energy is used to buckle an intermediate monolayer into a more stable nanosheet. Detailed physical studies of the monolayer-compression mechanism revealed a simple preparative technique to produce nanosheets in 95% overall yield by cyclical monolayer compressions in a rotating closed vial. Compression of monolayers into stable, free-floating products may be a general and preparative approach to access 2D nanomaterials. C1 [Sanii, Babak; Kudirka, Romas; Cho, Andrew; Venkateswaran, Neeraja; Olivier, Gloria K.; Olson, Alexander M.; Tran, Helen; Harada, R. Marika; Tan, Li; Zuckermann, Ronald N.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA. RP Zuckermann, RN (reprint author), Univ Calif Berkeley, Lawrence Berkeley Natl Lab, 1 Cyclotron Rd, Berkeley, CA 94720 USA. EM rnzuckermann@lbl.gov RI Zuckermann, Ronald/A-7606-2014 OI Zuckermann, Ronald/0000-0002-3055-8860 FU Advanced Light Source, at Lawrence Berkeley National Laboratory; Office of Science, Office of Basic Energy Sciences, U.S. Department of Energy [DE-AC02-05CH11231]; Defense Threat Reduction Agency [IACRO-B0845281] FX The authors thank Stephen Whitelam, Behzad Rad, Jeremy Schmit, Ki Tae Nam, Michael D. Connolly, Bastian Barton, Carlos Olguin/Autodesk, and Promita Chakraborty for insightful discussions and valuable assistance. This work was carried out at the Molecular Foundry with support from the Advanced Light Source, at Lawrence Berkeley National Laboratory, both of which are supported by the Office of Science, Office of Basic Energy Sciences, U.S. Department of Energy, under Contract No. DE-AC02-05CH11231. The work was also funded by the Defense Threat Reduction Agency under Contract No. IACRO-B0845281. NR 49 TC 57 Z9 57 U1 4 U2 66 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0002-7863 J9 J AM CHEM SOC JI J. Am. Chem. Soc. PD DEC 28 PY 2011 VL 133 IS 51 BP 20808 EP 20815 DI 10.1021/ja206199d PG 8 WC Chemistry, Multidisciplinary SC Chemistry GA 869BV UT WOS:000298571600032 PM 21939206 ER PT J AU Bodnarchuk, MI Shevchenko, EV Talapin, DV AF Bodnarchuk, Maryna I. Shevchenko, Elena V. Talapin, Dmitri V. TI Structural Defects in Periodic and Quasicrystalline Binary Nanocrystal Superlattices SO JOURNAL OF THE AMERICAN CHEMICAL SOCIETY LA English DT Article ID FERRITE CORE/SHELL NANOCRYSTALS; MULTIPLY TWINNED PARTICLES; NANOPARTICLE SUPERLATTICES; COLLOIDAL CRYSTALS; ELECTRON TOMOGRAPHY; SIZE; ENERGY; SHAPE; CDSE; NUCLEATION AB Binary nanocrystal superlattices (BNSLs) emerge as an important class of man-made materials where components and functionalities can be added, tuned, or combined in a predictable manner. These amazingly complex structures spontaneously self-assemble from colloidal solutions containing binary mixtures of functional (semiconducting, magnetic, plasmonic, etc.) nanocrystals. Further developments of the BNSL-based materials require a deep understanding and control over BNSL formation and structural perfection. Like any solid, BNSL can contain different kinds of structural defects. It is well-known that defects can have a tremendous effect on the material's behavior. Defect engineering is used to modify and improve many of the mechanical, electrical, magnetic, and optical properties of conventional solids. In this work, we provide the first systematic analysis of structural defects in various BNSL structures. We used BNSLs as a platform for studying structural defects in both periodic (crystalline) and aperiodic (quasicrystalline) lattices, as well as for direct imaging of the interfaces between crystalline and quasicrystalline domains. Such direct observation of local imperfections in complex multicomponent lattices provides a unique insight into the fundamental aspects of crystal formation. C1 [Bodnarchuk, Maryna I.; Talapin, Dmitri V.] Univ Chicago, Dept Chem, Chicago, IL 60637 USA. [Bodnarchuk, Maryna I.; Talapin, Dmitri V.] Univ Chicago, James Frank Inst, Chicago, IL 60637 USA. [Shevchenko, Elena V.; Talapin, Dmitri V.] Argonne Natl Lab, Ctr Nanoscale Mat, Argonne, IL 60439 USA. RP Talapin, DV (reprint author), Univ Chicago, Dept Chem, 5735 S Ellis Ave, Chicago, IL 60637 USA. EM dvtalapin@uchicago.edu FU NSF MRSEC [DMR-0213745]; Office of Naval Research [N00014-10-1-0190]; U.S Department of Energy [DE-AC02-06CH11357] FX We thank S. M. Rupich for synthesis of PbS and PbSe NCs, M. V. Kovalenko for synthesis of CdSe NCs, W. Irving and S. Rice for stimulating discussions, and M. Boles for careful reading of the manuscript. The work was jointly funded by the NSF MRSEC Program under Award Number DMR-0213745 and by the Office of Naval Research under Award Number N00014-10-1-0190. We acknowledge infrastructure support by the NSF Center of Energetic Non-Equilibrium Chemistry at Interfaces (CENECI). D.V.T. also thanks the David and Lucile Packard Foundation. The work at the Center for Nanoscale Materials (ANL) was supported by the U.S Department of Energy under Contract No. DE-AC02-06CH11357. NR 66 TC 25 Z9 25 U1 6 U2 67 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0002-7863 J9 J AM CHEM SOC JI J. Am. Chem. Soc. PD DEC 28 PY 2011 VL 133 IS 51 BP 20837 EP 20849 DI 10.1021/ja207154v PG 13 WC Chemistry, Multidisciplinary SC Chemistry GA 869BV UT WOS:000298571600035 PM 22007847 ER PT J AU Sheng, YW Stich, TA Barnese, K Gralla, EB Cascio, D Britt, RD Cabelli, DE Valentine, JS AF Sheng, Yuewei Stich, Troy A. Barnese, Kevin Gralla, Edith B. Cascio, Duilio Britt, R. David Cabelli, Diane E. Valentine, Joan Selverstone TI Comparison of Two Yeast MnSODs: Mitochondrial Saccharomyces cerevisiae versus Cytosolic Candida albicans SO JOURNAL OF THE AMERICAN CHEMICAL SOCIETY LA English DT Article ID MANGANESE-SUPEROXIDE-DISMUTASE; ACTIVE-SITE PKS; DUAL-MODE EPR; HYDROGEN-PEROXIDE; OXIDATIVE STRESS; PRODUCT INHIBITION; CRYSTAL-STRUCTURE; FREE-RADICALS; GLUTAMINE 143; TYROSINE 34 AB Human MnSOD is significantly more product-inhibited than bacterial MnSODs at high concentrations of superoxide (O(2)(-)). This behavior limits the amount of H(2)O(2) produced at high [O(2)(-)]; its desirability can be explained by the multiple roles of H(2)O(2) in mammalian cells, particularly its role in signaling. To investigate the mechanism of product inhibition in MnSOD, two yeast MnSODs, one from Saccharomyces cerevisiae mitochondria (ScMnSOD) and the other from Candida albicans cytosol (CaMnSODc), were isolated and characterized. ScMnSOD and CaMnSODc are similar in catalytic kinetics, spectroscopy, and redox chemistry, and they both rest predominantly in the reduced state (unlike most other MnSODs). At high [O(2)(-)], the dismutation efficiencies of the yeast MnSODs surpass those of human and bacterial MnSODs, due to very low level of product inhibition. Optical and parallel-mode electron paramagnetic resonance (EPR) spectra suggest the presence of two Mn(3+) species in yeast Mn(3+)SODs, including the well-characterized 5-coordinate Mn3+ species and a 6-coordinate L-Mn(3+) species with hydroxide as the putative sixth ligand (L). The first and second coordination spheres of ScMnSOD are more similar to bacterial than to human MnSOD. Gln154, an H-bond. donor to the Mn-coordinated solvent molecule, is slightly further away from Mn in yeast MnSODs, which may result in their unusual resting state. Mechanistically, the high efficiency of yeast MnSODs could be ascribed to putative translocation of an outer-sphere solvent molecule, which could destabilize the inhibited complex and enhance proton transfer from protein to peroxide. Our studies on yeast MnSODs indicate the unique nature of human MnSOD in that it predominantly undergoes the inhibited pathway at high [O(2)(-)]. C1 [Cabelli, Diane E.] Brookhaven Natl Lab, Dept Chem, Upton, NY 11973 USA. [Valentine, Joan Selverstone] Ewha Womans Univ, Dept Bioinspired Sci, Seoul 120750, South Korea. [Sheng, Yuewei; Barnese, Kevin; Gralla, Edith B.; Valentine, Joan Selverstone] Univ Calif Los Angeles, Dept Chem & Biochem, Los Angeles, CA 90095 USA. [Cascio, Duilio] Univ Calif Los Angeles, Dept Energy, Inst Genom & Proteom, Los Angeles, CA 90095 USA. [Stich, Troy A.; Britt, R. David] Univ Calif Davis, Dept Chem, Davis, CA 95616 USA. RP Cabelli, DE (reprint author), Brookhaven Natl Lab, Dept Chem, Upton, NY 11973 USA. EM cabelli@bnl.gov; jsv@chem.ucla.edu RI Stich, Troy/F-1625-2013 OI Stich, Troy/0000-0003-0710-1456 FU KOSEF/MEST [DK46828]; National Institutes of Health [GM48242]; U.S. Department of Energy, Division of Chemical Sciences, Geosciences, and Biosciences, Office of Basic Energy Sciences [DE-AC02-98CH10886] FX This work was supported by Grant DK46828, KOSEF/MEST through WCU project (R31-2008-000-10010-0) to J.S.V. and National Institutes of Health and Grant GM48242 to R.D.B. Radiolysis studies were carried out at the Center for Radiation Chemistry Research at BNL, which is funded under Contract DE-AC02-98CH10886 with the U.S. Department of Energy and supported by its Division of Chemical Sciences, Geosciences, and Biosciences, Office of Basic Energy Sciences. We acknowledge Minglei Zhao (Department of Chemistry and Biochemistry, UCLA) for assisting us in the X-ray structural determination. We acknowledge Professor Michael Hill (Occidental College) for assisting us in the redox potential measurements. NR 64 TC 19 Z9 19 U1 0 U2 14 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0002-7863 J9 J AM CHEM SOC JI J. Am. Chem. Soc. PD DEC 28 PY 2011 VL 133 IS 51 BP 20878 EP 20889 DI 10.1021/ja2077476 PG 12 WC Chemistry, Multidisciplinary SC Chemistry GA 869BV UT WOS:000298571600040 PM 22077216 ER PT J AU Clark, BK Morales, MA McMinis, J Kim, J Scuseria, GE AF Clark, Bryan K. Morales, Miguel A. McMinis, Jeremy Kim, Jeongnim Scuseria, Gustavo E. TI Computing the energy of a water molecule using multideterminants: A simple, efficient algorithm SO JOURNAL OF CHEMICAL PHYSICS LA English DT Article ID BASIS-SETS AB Quantum Monte Carlo (QMC) methods such as variational Monte Carlo and fixed node diffusion Monte Carlo depend heavily on the quality of the trial wave function. Although Slater-Jastrow wave functions are the most commonly used variational ansatz in electronic structure, more sophisticated wave functions are critical to ascertaining new physics. One such wave function is the multi-Slater-Jastrow wave function which consists of a Jastrow function multiplied by the sum of Slater determinants. In this paper we describe a method for working with these wave functions in QMC codes that is easy to implement, efficient both in computational speed as well as memory, and easily parallelized. The computational cost scales quadratically with particle number making this scaling no worse than the single determinant case and linear with the total number of excitations. Additionally, we implement this method and use it to compute the ground state energy of a water molecule. (C) 2011 American Institute of Physics. [doi: 10.1063/1.3665391] C1 [Clark, Bryan K.] Princeton Univ, Princeton Ctr Theoret Sci, Princeton, NJ 08544 USA. [Clark, Bryan K.] Princeton Univ, Dept Phys, Joseph Henry Labs, Princeton, NJ 08544 USA. [Morales, Miguel A.] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA. [McMinis, Jeremy] Univ Illinois, Dept Phys, Urbana, IL 61801 USA. [Kim, Jeongnim] Univ Illinois, Natl Ctr Supercomputing Applicat, Urbana, IL 61801 USA. [Scuseria, Gustavo E.] Rice Univ, Dept Phys & Astron, Houston, TX 77005 USA. [Scuseria, Gustavo E.] Rice Univ, Dept Chem, Houston, TX 77005 USA. RP Clark, BK (reprint author), Princeton Univ, Princeton Ctr Theoret Sci, Princeton, NJ 08544 USA. EM bclark@princeton.edu; moralessilva2@llnl.gov; jmcminis@illinois.edu; jnkim@illinois.edu; guscus@rice.edu RI Scuseria, Gustavo/F-6508-2011; OI McMinis, Jeremy/0000-0003-3285-3940 FU Department of Energy [DE-FG02-04ER15523]; Welch Foundation [C-0036]; US DOE by LLNL [DE-AC52-07NA27344]; National Science Foundation [0904572]; EFRC - Center for Defect Physics; US DOE, Office of Basic Energy Sciences FX We would like to thank Ken Esler for useful conversations and Cyrus Umrigar for carefully reading and commenting on the manuscript. The work at Rice University was supported by the Department of Energy (DE-FG02-04ER15523) and the Welch Foundation (C-0036). This work was performed in part under the auspices of the US DOE by LLNL under Contract No. DE-AC52-07NA27344. The work at UI was supported by the National Science Foundation under No. 0904572 and EFRC - Center for Defect Physics sponsored by the US DOE, Office of Basic Energy Sciences. NR 17 TC 29 Z9 29 U1 0 U2 13 PU AMER INST PHYSICS PI MELVILLE PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1, MELVILLE, NY 11747-4501 USA SN 0021-9606 J9 J CHEM PHYS JI J. Chem. Phys. PD DEC 28 PY 2011 VL 135 IS 24 AR 244105 DI 10.1063/1.3665391 PN 2011 PG 9 WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical SC Chemistry; Physics GA 870AC UT WOS:000298640500008 PM 22225142 ER PT J AU Gunaydin-Sen, O Fosso-Tande, J Chen, P White, JL Allen, TL Cherian, J Tokumoto, T Lahti, PM McGill, S Harrison, RJ Musfeldt, JL AF Guenaydin-Sen, Oe. Fosso-Tande, J. Chen, P. White, J. L. Allen, T. L. Cherian, J. Tokumoto, T. Lahti, P. M. McGill, S. Harrison, R. J. Musfeldt, J. L. TI Communication: Manipulating the singlet-triplet equilibrium in organic biradical materials SO JOURNAL OF CHEMICAL PHYSICS LA English DT Article ID ELECTRONIC SPECTROSCOPY; QUINONOIDAL DINITRENES; AROMATIC AZIDES; PHOTOLYSIS; SPECTRA; PHOTOCHEMISTRY; PHENYLNITRENE; STATES AB We investigated the tunability of the singlet-triplet equilibrium population in the organic biradical 1,4-phenylenedinitrene via magneto-optical spectroscopy. A rich magnetochromic response occurs because applied field increases the concentration of the triplet state species, which has a unique optical signature by comparison with the singlet biradical and the precursor molecule. A Curie-like analysis of the magneto-optical properties allows us to extract the spin gap, which is smaller than previously supposed. These measurements establish the value of local-probe photophysical techniques for magnetic property determination in open-shell systems such as biradicals where a traditional electron paramagnetic resonance Curie law analysis has intrinsic limitations. (C) 2011 American Institute of Physics. [doi: 10.1063/1.3672101] C1 [Guenaydin-Sen, Oe.; Fosso-Tande, J.; Chen, P.; White, J. L.; Harrison, R. J.; Musfeldt, J. L.] Univ Tennessee, Dept Chem, Knoxville, TN 37996 USA. [Allen, T. L.; Lahti, P. M.] Univ Massachusetts, Dept Chem, Amherst, MA 01003 USA. [McGill, S.] Natl High Magnet Field Lab, Tallahassee, FL 32310 USA. [Harrison, R. J.] Oak Ridge Natl Lab, Comp Sci & Math Div, Oak Ridge, TN 37831 USA. RP Musfeldt, JL (reprint author), Univ Tennessee, Dept Chem, Knoxville, TN 37996 USA. EM musfeldt@utk.edu FU National Science Foundation (UT, UM, NHMFL); (U. S.) Department of Energy (NHMFL); State of Florida (NHMFL) FX This work was supported by the National Science Foundation (UT, UM, NHMFL), the (U. S.) Department of Energy (NHMFL), and the State of Florida (NHMFL). NR 28 TC 8 Z9 8 U1 0 U2 18 PU AMER INST PHYSICS PI MELVILLE PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1, MELVILLE, NY 11747-4501 USA SN 0021-9606 J9 J CHEM PHYS JI J. Chem. Phys. PD DEC 28 PY 2011 VL 135 IS 24 AR 241101 DI 10.1063/1.3672101 PN 2011 PG 4 WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical SC Chemistry; Physics GA 870AC UT WOS:000298640500001 PM 22225135 ER PT J AU Liu, J Miller, WH Fanourgakis, GS Xantheas, SS Imoto, S Saito, S AF Liu, Jian Miller, William H. Fanourgakis, George S. Xantheas, Sotiris S. Imoto, Sho Saito, Shinji TI Insights in quantum dynamical effects in the infrared spectroscopy of liquid water from a semiclassical study with an ab initio-based flexible and polarizable force field SO JOURNAL OF CHEMICAL PHYSICS LA English DT Article ID POLYMER MOLECULAR-DYNAMICS; VIBRATIONAL-ENERGY RELAXATION; THERMAL RATE CONSTANTS; ELECTRONICALLY NONADIABATIC DYNAMICS; TIME-CORRELATION-FUNCTIONS; PARA-HYDROGEN; VALUE REPRESENTATION; INFLUENCE FUNCTIONALS; CONDENSED-PHASE; ORTHO-DEUTERIUM AB The dynamical properties of liquid water play an important role in many processes in nature. In this paper, we focus on the infrared (IR) absorption spectrum of liquid water based on the linearized semiclassical initial value representation (LSC-IVR) with the local Gaussian approximation (LGA) [J. Liu and W. H. Miller, J. Chem. Phys. 131, 074113 (2009)] and an ab initio based, flexible, polarizable Thole-type model (TTM3-F) [G. S. Fanourgakis and S. S. Xantheas, J. Chem. Phys. 128, 074506 (2008)]. Although the LSC-IVR (LGA) gives the exact result for the isolated three-dimensional shifted harmonic stretching model, it yields a blueshifted peak position for the more realistic anharmonic stretching potential. By using the short-time information of the LSC-IVR correlation function; however, it is shown how one can obtain more accurate results for the position of the stretching peak. Due to the physical decay in the condensed phase system, the LSC-IVR (LGA) is a good and practical approximate quantum approach for the IR spectrum of liquid water. The present results offer valuable insight into future attempts to improve the accuracy of the TTM3-F potential or other ab initio-based models in reproducing the IR spectrum of liquid water. (C) 2011 American Institute of Physics. [doi: 10.1063/1.3670960] C1 [Liu, Jian; Miller, William H.] Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA. [Liu, Jian; Miller, William H.] Univ Calif Berkeley, KS Pitzer Ctr Theoret Chem, Berkeley, CA 94720 USA. [Liu, Jian; Miller, William H.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Div Chem Sci, Berkeley, CA 94720 USA. [Fanourgakis, George S.] Fdn Res & Technol Hellas, Inst Elect Struct & Laser, GR-71110 Iraklion, Greece. [Xantheas, Sotiris S.] Pacific NW Natl Lab, Chem & Mat Sci Div, Richland, WA 99352 USA. [Imoto, Sho; Saito, Shinji] Grad Univ Adv Studies, Okazaki, Aichi 4448585, Japan. [Saito, Shinji] Natl Inst Nat Sci, Inst Mol Sci, Dept Theoret & Computat Mol Sci, Okazaki, Aichi 4448585, Japan. RP Miller, WH (reprint author), Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA. EM millerwh@berkeley.edu RI Liu, Jian/B-2274-2012; Xantheas, Sotiris/L-1239-2015; OI Liu, Jian/0000-0002-2906-5858; Xantheas, Sotiris/0000-0002-6303-1037 FU National Science Foundation [CHE-0809073]; Office of Science; Office of Basic Energy Sciences, Chemical Sciences, Geosciences, and Biosciences Division; U.S. Department of Energy [DE-AC02-05CH11231]; NERSC; E.U. Seventh Framework Program [FP7/2007-2013, 205066]; Chemical Sciences, Geosciences, and Biosciences Division; Office of Basic Energy Sciences; U.S. Department of Energy at Pacific Northwest National Laboratory; Japan Society for the Promotion of Science [22350013, 23655020] FX This work was supported by the National Science Foundation Grant No. CHE-0809073 and by the Director, Office of Science, Office of Basic Energy Sciences, Chemical Sciences, Geosciences, and Biosciences Division, U.S. Department of Energy under Contract No. DE-AC02-05CH11231. We acknowledge a generous allocation of supercomputing time from the National Energy Research Scientific Computing Center (NERSC) and the use of the Lawrencium computational cluster resource provided by the IT Division at the Lawrence Berkeley National Laboratory. J.L. acknowledges the 2011 NERSC initiative for scientific exploration award. G.S.F. acknowledges a grant provided by the E.U. Seventh Framework Program FP7/2007-2013 (Grant No. 205066). S.S.X. acknowledges the support by the Chemical Sciences, Geosciences, and Biosciences Division, Office of Basic Energy Sciences, U.S. Department of Energy at Pacific Northwest National Laboratory. Battelle operates the Pacific Northwest National Laboratory for the U.S. Department of Energy. S.S. acknowledges Grant-in-Aid for Scientific Research (Grant No. 22350013) and Grant-in-Aid for Challenging Exploratory Research (Grant No. 23655020) supported by Japan Society for the Promotion of Science. We also thank Francesco Paesani for providing the CMD results. NR 84 TC 22 Z9 24 U1 9 U2 33 PU AMER INST PHYSICS PI MELVILLE PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1, MELVILLE, NY 11747-4501 USA SN 0021-9606 J9 J CHEM PHYS JI J. Chem. Phys. PD DEC 28 PY 2011 VL 135 IS 24 AR 244503 DI 10.1063/1.3670960 PN 2011 PG 14 WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical SC Chemistry; Physics GA 870AC UT WOS:000298640500031 PM 22225165 ER PT J AU Velarde, L Zhang, XY Lu, Z Joly, AG Wang, ZM Wang, HF AF Velarde, Luis Zhang, Xian-yi Lu, Zhou Joly, Alan G. Wang, Zheming Wang, Hong-fei TI Communication: Spectroscopic phase and lineshapes in high-resolution broadband sum frequency vibrational spectroscopy: Resolving interfacial inhomogeneities of "identical" molecular groups SO JOURNAL OF CHEMICAL PHYSICS LA English DT Article ID SURFACE 2ND-HARMONIC GENERATION; DIMETHYL-SULFOXIDE; SFG-VS; ORIENTATION; CONFORMATION; ADSORPTION; DYNAMICS; OPTICS; WATER AB The ability to achieve sub-wavenumber resolution (0.6 cm(-1)) and a large signal-to-noise ratio in high-resolution broadband sum-frequency generation vibrational spectroscopy (HR-BB-SFG-VS) allows for the detailed SFG spectral lineshapes to be used in the unambiguous determination of fine spectral features. Changes in the structural spectroscopic phase in SFG-VS as a function of beam polarization and experimental geometry proved to be instrumental in the identification of an unexpected 2.78 +/- 0.07 cm(-1) spectral splitting for the two methyl groups at the vapor/dimethyl sulfoxide (DMSO, (CH(3))(2)SO) liquid interface as well as in the determination of their orientational angles. (C) 2011 American Institute of Physics. [doi: 10.1063/1.3675629] C1 [Velarde, Luis; Zhang, Xian-yi; Lu, Zhou; Joly, Alan G.; Wang, Zheming; Wang, Hong-fei] Pacific NW Natl Lab, William R Wiley Environm Mol Sci Lab, Richland, WA 99352 USA. [Zhang, Xian-yi] Anhui Normal Univ, Dept Phys, Inst Atom & Mol Phys, Wuhu 241000, Anhui, Peoples R China. RP Wang, HF (reprint author), Pacific NW Natl Lab, William R Wiley Environm Mol Sci Lab, 902 Battelle Blvd,POB 999, Richland, WA 99352 USA. EM hongfei.wang@pnnl.gov RI Wang, Hongfei/B-1263-2010; Velarde, Luis/D-4929-2011; Lu, Zhou/D-3994-2012; Wang, Zheming/E-8244-2010 OI Wang, Hongfei/0000-0001-8238-1641; Velarde, Luis/0000-0001-6329-3486; Lu, Zhou/0000-0001-8527-0381; Wang, Zheming/0000-0002-1986-4357 FU Pacific Northwest National Laboratory (PNNL) LDRD; Department of Energy's Office of Biological and Environmental Research (BER); PNNL FX L. V. and H. F. W. are grateful to Yi Rao (Columbia), Gang Ma (Hebei University), and Dehong Hu (PNNL) for their helpful discussions and suggestions. This work was supported by the Pacific Northwest National Laboratory (PNNL) LDRD program and was conducted at the William R. Wiley Environmental Molecular Sciences Laboratory (EMSL), a national scientific user facility located at the Pacific Northwest National Laboratory and sponsored by the Department of Energy's Office of Biological and Environmental Research (BER). X.Y.Z. is supported by the PNNL Alternative Sponsored Fellow (ASF) program. NR 26 TC 47 Z9 47 U1 5 U2 67 PU AMER INST PHYSICS PI MELVILLE PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1, MELVILLE, NY 11747-4501 USA SN 0021-9606 J9 J CHEM PHYS JI J. Chem. Phys. PD DEC 28 PY 2011 VL 135 IS 24 AR 241102 DI 10.1063/1.3675629 PN 2011 PG 4 WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical SC Chemistry; Physics GA 870AC UT WOS:000298640500002 PM 22225136 ER PT J AU Watson, MC Penev, ES Welch, PM Brown, FLH AF Watson, Max C. Penev, Evgeni S. Welch, Paul M. Brown, Frank L. H. TI Thermal fluctuations in shape, thickness, and molecular orientation in lipid bilayers SO JOURNAL OF CHEMICAL PHYSICS LA English DT Article ID COARSE-GRAINED MODEL; FIXED PROJECTED AREA; SURFACE-TENSION; DYNAMICS SIMULATIONS; ELASTIC PROPERTIES; TILT-DIFFERENCE; FLUID MEMBRANES; INCLUSIONS; PHASES; FORCES AB We present a unified continuum-level model for bilayer energetics that includes the effects of bending, compression, lipid orientation (tilting relative to the monolayer surface normal), and microscopic noise (protrusions). Expressions for thermal fluctuation amplitudes of several physical quantities are derived. These predictions are shown to be in good agreement with molecular simulations. (C) 2011 American Institute of Physics. [doi: 10.1063/1.3660673] C1 [Watson, Max C.; Brown, Frank L. H.] Univ Calif Santa Barbara, Dept Phys, Santa Barbara, CA 93106 USA. [Penev, Evgeni S.; Brown, Frank L. H.] Univ Calif Santa Barbara, Dept Chem & Biochem, Santa Barbara, CA 93106 USA. [Welch, Paul M.] Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA. RP Watson, MC (reprint author), Univ Calif Santa Barbara, Dept Phys, Santa Barbara, CA 93106 USA. EM maxcw@physics.ucsb.edu; flbrown@chem.ucsb.edu OI Welch, Paul/0000-0001-5614-2065 FU National Science Foundation (NSF) [DMR 0520415, CHE 0848809]; TACC [TG-MCB080142N]; Los Alamos National Laboratory Institute for Multiscale Materials Studies; National Nuclear Security Administration of the U. S. Department of Energy (DOE) [DE-AC52-06NA25396] FX E.P. would like to acknowledge communication with G. Brannigan and discussions with G. Bellesia. This material is based upon work supported by the National Science Foundation (NSF) under Grant Nos. DMR 0520415 and CHE 0848809. TeraGrid resources were provided by the TACC under Grant No. TG-MCB080142N. Financial support provided by the Los Alamos National Laboratory Institute for Multiscale Materials Studies, operated under the auspices of the National Nuclear Security Administration of the U. S. Department of Energy (DOE) under contract No. DE-AC52-06NA25396. F.L.H.B. is a Camille Dreyfus Teacher-Scholar. NR 89 TC 48 Z9 49 U1 4 U2 43 PU AMER INST PHYSICS PI MELVILLE PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1, MELVILLE, NY 11747-4501 USA SN 0021-9606 J9 J CHEM PHYS JI J. Chem. Phys. PD DEC 28 PY 2011 VL 135 IS 24 AR 244701 DI 10.1063/1.3660673 PN 2011 PG 22 WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical SC Chemistry; Physics GA 870AC UT WOS:000298640500041 ER PT J AU Hoffman, MJ Catania, GA Neumann, TA Andrews, LC Rumrill, JA AF Hoffman, M. J. Catania, G. A. Neumann, T. A. Andrews, L. C. Rumrill, J. A. TI Links between acceleration, melting, and supraglacial lake drainage of the western Greenland Ice Sheet SO JOURNAL OF GEOPHYSICAL RESEARCH-EARTH SURFACE LA English DT Article ID HAUT GLACIER DAROLLA; SUBGLACIAL WATER-PRESSURE; HIGH-VELOCITY EVENT; SURFACE MELT; OUTLET GLACIER; ABLATION ZONE; SWITZERLAND; FLOW; MOTION; SYSTEM AB The impact of increasing summer melt on the dynamics and stability of the Greenland Ice Sheet is not fully understood. Mounting evidence suggests seasonal evolution of subglacial drainage mitigates or counteracts the ability of surface runoff to increase basal sliding. Here, we compare subdaily ice velocity and uplift derived from nine Global Positioning System stations in the upper ablation zone in west Greenland to surface melt and supraglacial lake drainage during summer 2007. Starting around day 173, we observe speedups of 6-41% above spring velocity lasting similar to 40 days accompanied by sustained surface uplift at most stations, followed by a late summer slowdown. After initial speedup, we see a spatially uniform velocity response across the ablation zone and strong diurnal velocity variations during periods of melting. Most lake drainages were undetectable in the velocity record, and those that were detected only perturbed velocities for similar to 1 day, suggesting preexisting drainage systems could efficiently drain large volumes of water. The dynamic response to melt forcing appears to (1) be driven by changes in subglacial storage of water that is delivered in diurnal and episodic pulses, and (2) decrease over the course of the summer, presumably as the subglacial drainage system evolves to greater efficiency. The relationship between hydrology and ice dynamics observed is similar to that observed on mountain glaciers, suggesting that seasonally large water pressures under the ice sheet largely compensate for the greater ice thickness considered here. Thus, increases in summer melting may not guarantee faster seasonal ice flow. C1 [Hoffman, M. J.] Univ Maryland Baltimore Cty, Joint Ctr Earth Syst Technol, Baltimore, MD 21228 USA. [Hoffman, M. J.; Neumann, T. A.] NASA, Cryospher Sci Branch, Goddard Space Flight Ctr, Greenbelt, MD 20771 USA. [Catania, G. A.] Univ Texas Austin, Inst Geophys, Austin, TX 78759 USA. [Catania, G. A.; Andrews, L. C.] Univ Texas Austin, Dept Geol Sci, Austin, TX 78712 USA. [Rumrill, J. A.] So Connecticut State Univ, Dept Earth Sci, New Haven, CT 06515 USA. RP Hoffman, MJ (reprint author), Los Alamos Natl Lab, Fluid Dynam Grp, POB 1663, Los Alamos, NM 87545 USA. EM mhoffman@lanl.gov RI Catania, Ginny/B-9787-2008; Neumann, Thomas/D-5264-2012; Andrews, Lauren/D-8274-2017 OI Andrews, Lauren/0000-0003-3727-4737 FU NASA [NNG06GA83G] FX We thank VECO, Michelle Koutnik and Jamin Greenbaum for assistance in the field, Koni Steffen's group at the Cooperative Institute for Research in Environmental Sciences (CIRES) for providing GC-Net weather data, Matt King for advice on processing the GPS data, and Jamie Clark for assistance with Landsat imagery. This work was funded by NASA grant NNG06GA83G to Neumann and Catania. Landsat data are distributed by the U.S. Geological Survey (USGS) Earth Resources Observation and Science (EROS) Center, and MODIS data are distributed by the Land Processes Distributed Active Archive Center (LP DAAC), located at the USGS EROS Center (lpdaac.usgs.gov). We thank three anonymous reviewers for their thoughtful, in-depth reviews that substantially improved the manuscript. NR 71 TC 57 Z9 58 U1 0 U2 34 PU AMER GEOPHYSICAL UNION PI WASHINGTON PA 2000 FLORIDA AVE NW, WASHINGTON, DC 20009 USA SN 0148-0227 J9 J GEOPHYS RES-EARTH JI J. Geophys. Res.-Earth Surf. PD DEC 28 PY 2011 VL 116 AR F04035 DI 10.1029/2010JF001934 PG 16 WC Geosciences, Multidisciplinary SC Geology GA 871RS UT WOS:000298756000001 ER PT J AU Borovsky, JE Denton, MH AF Borovsky, Joseph E. Denton, Michael H. TI Evolution of the magnetotail energetic-electron population during high-speed-stream-driven storms: Evidence for the leakage of the outer electron radiation belt into the Earth's magnetotail SO JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS LA English DT Article ID VAN-ALLEN RADIATION; SOLAR-WIND STREAMS; WAVE-PARTICLE INTERACTIONS; SUPERDENSE PLASMA SHEET; RELATIVISTIC ELECTRONS; GEOSYNCHRONOUS ORBIT; MAGNETIC STORM; GEOMAGNETIC-FIELD; INNER MAGNETOSPHERE; GEOSPACE INTERACTIONS AB For 15 high-speed-stream-driven geomagnetic activations (weak storms) in 2006-2007, the temporal behaviors of the outer electron radiation belt at geosynchronous orbit and the energetic-electron population of the magnetotail are compared via superposed-epoch averaging of data. The magnetotail measurements are obtained by using GPS-orbit measurements that magnetically map out into the magnetotail. Four temporal phases of high-speed-stream-driven storms are studied: (1) the pre-storm density decay of the electron-radiation belt, (2) the electron-radiation-belt density dropout near the time of storm onset, (3) the rapid density recovery a few hours after dropout, and (4) the heating of the electron radiation belt during the high-speed-stream-driven geomagnetic activity. In all four phases the behaviors of the outer electron radiation belt and of the energetic-electron population in the magnetotail are the same and simultaneous. The physical explanations for the behavior in phase 1 (decay), phase 2 (dropout), and phase 4 (heating) lie in the dipolar regions of the magnetosphere: hence for those three phases it is concluded that the temporal behavior of the energetic-electron population in the magnetotail mimics the behavior of the outer electron radiation belt. Behavior attributable to physical processes in the dipole is seen in the magnetotail energetic-electron population: this implies that the origin of the energetic-electron population of the magnetotail is "leakage" or "outward evaporation" from the outer electron radiation belt in the dipolar magnetosphere. C1 [Borovsky, Joseph E.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA. [Borovsky, Joseph E.] Univ Michigan, AOSS, Ann Arbor, MI 48109 USA. [Denton, Michael H.] Univ Lancaster, Dept Phys, Lancaster LA1 4WA, England. [Denton, Michael H.] Space Sci Inst, Boulder, CO USA. RP Borovsky, JE (reprint author), Los Alamos Natl Lab, Mail Stop D466, Los Alamos, NM 87545 USA. EM jborovsky@lanl.gov OI Denton, Michael/0000-0002-1748-3710 FU NASA; NSF; U.S. Department of Energy; STFC [ST/G002401/1] FX The authors wish to thank Evan Noveroske for providing the BDD and CXD data files, Dot Delapp for providing SOPA flux files, and Tom Cayton for providing density-temperature fits for SOPA and GPS. The authors also wish to thank Joachim Birn, Tom Cayton, Steve Morley, Victor Sergeev, and Dan Welling for stimulating conversations. Work at Los Alamos was supported by the NASA Living with a Star TR&T Program, the NSF GEM Program, and the U.S. Department of Energy. Work at Lancaster University was supported by STFC grant ST/G002401/1. NR 145 TC 8 Z9 8 U1 0 U2 5 PU AMER GEOPHYSICAL UNION PI WASHINGTON PA 2000 FLORIDA AVE NW, WASHINGTON, DC 20009 USA SN 2169-9380 EI 2169-9402 J9 J GEOPHYS RES-SPACE JI J. Geophys. Res-Space Phys. PD DEC 28 PY 2011 VL 116 AR A12228 DI 10.1029/2011JA016713 PG 16 WC Astronomy & Astrophysics SC Astronomy & Astrophysics GA 871TT UT WOS:000298761300001 ER PT J AU Folven, E Scholl, A Young, A Retterer, ST Boschker, JE Tybell, T Takamura, Y Grepstad, JK AF Folven, E. Scholl, A. Young, A. Retterer, S. T. Boschker, J. E. Tybell, T. Takamura, Y. Grepstad, J. K. TI Effects of nanostructuring and substrate symmetry on antiferromagnetic domain structure in LaFeO3 thin films SO PHYSICAL REVIEW B LA English DT Article ID PEROVSKITES; STRAIN AB The antiferromagnetic domain structure in LaFeO3 thin-film epilayers grown on La0.7Sr0.3MnO3 is imaged combining linearly polarized x-ray-absorption spectroscopy with photoemission electron microscopy. Detailed analysis of polarization-dependent domain contrast from magnetic dichroism reveals two sets of symmetrically different antiferromagnetic easy axes in the LaFeO3 layer along the in-plane < 110 > and < 100 > crystalline axes (pseudocubic notation), respectively. We show that extended antiferromagnetic domains can be stabilized selectively for nanowires defined in this perovskite thin-film system along either orientation of the easy axes. The results demonstrate how the equilibrium domain structure of thin-film nanoscale antiferromagnets depend on a combination of substrate symmetry, nanowire dimensions, and in-plane crystalline orientation. C1 [Folven, E.; Boschker, J. E.; Tybell, T.; Grepstad, J. K.] Norwegian Univ Sci & Technol, Dept Elect & Telecommun, NO-7491 Trondheim, Norway. [Scholl, A.; Young, A.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Adv Light Source, Berkeley, CA 94720 USA. [Retterer, S. T.] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA. [Takamura, Y.] Univ Calif Davis, Dept Chem Engn & Mat Sci, Davis, CA 95616 USA. RP Folven, E (reprint author), Norwegian Univ Sci & Technol, Dept Elect & Telecommun, NO-7491 Trondheim, Norway. EM folven@ntnu.no RI Tybell, Thomas/B-8297-2013; Retterer, Scott/A-5256-2011; Folven, Erik/D-5218-2013; Scholl, Andreas/K-4876-2012 OI Boschker, Jos/0000-0001-9122-2079; Tybell, Thomas/0000-0003-0787-8476; Retterer, Scott/0000-0001-8534-1979; Folven, Erik/0000-0003-4036-0505; FU Office of Basic Energy Sciences, US Department of Energy; Office of Science, Office of Basic Energy Sciences, of the US Department of Energy [DE-AC02-05CH11231]; Norwegian Research Council [176656, 190086] FX The authors thank Yasuhide Nakamura for help with the chemical etching of the Cr hard mask, and Yuri Suzuki (UC Berkeley) for assistance with SQUID magnetometer measurements. A portion of this research was conducted at the Center for Nanophase Materials Sciences, which is sponsored at Oak Ridge National Laboratory by the Office of Basic Energy Sciences, US Department of Energy. The Advanced Light Source is supported by the Director, Office of Science, Office of Basic Energy Sciences, of the US Department of Energy under Contract No. DE-AC02-05CH11231. Partial funding for these experiments was obtained from the Norwegian Research Council under Contracts No. 176656 and No. 190086. NR 31 TC 8 Z9 8 U1 2 U2 35 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1098-0121 J9 PHYS REV B JI Phys. Rev. B PD DEC 28 PY 2011 VL 84 IS 22 AR 220410 DI 10.1103/PhysRevB.84.220410 PG 5 WC Physics, Condensed Matter SC Physics GA 868WK UT WOS:000298556800002 ER PT J AU Lei, HC Petrovic, C AF Lei, Hechang Petrovic, C. TI Giant increase in critical current density of KxFe2-ySe2 single crystals SO PHYSICAL REVIEW B LA English DT Article ID SURFACE-BARRIER; SUPERCONDUCTIVITY; MODEL AB The critical current density J(c)(ab) of KxFe2-ySe2 single crystals can be enhanced by more than one order of magnitude, up to similar to 2.1 x 10(4) A/cm(2) by the post annealing and quenching technique. A scaling analysis reveals the universal behavior of the normalized pinning force as a function of the reduced field for all temperatures, indicating the presence of a single vortex pinning mechanism. The main pinning sources are three-dimensional (3D) point-like normal cores. The dominant vortex interaction with pinning centers is via spatial variations in critical temperature T-c ("delta T-c pinning"). C1 [Lei, Hechang; Petrovic, C.] Brookhaven Natl Lab, Condensed Matter Phys & Mat Sci Dept, Upton, NY 11973 USA. RP Lei, HC (reprint author), Brookhaven Natl Lab, Condensed Matter Phys & Mat Sci Dept, Upton, NY 11973 USA. RI Petrovic, Cedomir/A-8789-2009; LEI, Hechang/H-3278-2016 OI Petrovic, Cedomir/0000-0001-6063-1881; FU US DOE [DE-AC02-98CH10886]; Center for Emergent Superconductivity, an Energy Frontier Research Center; US DOE, Office for Basic Energy Science FX Work at Brookhaven is supported by the US DOE under Contract No. DE-AC02-98CH10886 and in part by the Center for Emergent Superconductivity, an Energy Frontier Research Center funded by the US DOE, Office for Basic Energy Science. NR 29 TC 22 Z9 23 U1 2 U2 19 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1098-0121 J9 PHYS REV B JI Phys. Rev. B PD DEC 28 PY 2011 VL 84 IS 21 AR 212502 DI 10.1103/PhysRevB.84.212502 PG 4 WC Physics, Condensed Matter SC Physics GA 868UP UT WOS:000298551700001 ER PT J AU Luo, JW Zunger, A AF Luo, Jun-Wei Zunger, Alex TI Geometry of epitaxial GaAs/(Al,Ga)As quantum dots as seen by excitonic spectroscopy SO PHYSICAL REVIEW B LA English DT Article ID FINE-STRUCTURE; GROWTH AB It is shown that exciton and multiexciton emission lines ("spectral barcode") of a quantum dot conceal nontrivial structural information on the shape and size of the dot, information which can be uncovered by comparison with atomistic many-body theory. Application to the newly established strain-free GaAs quantum dots grown via "droplet epitaxy" onto AlGaAs matrix reveal the shape and size as "seen" by spectroscopy. The results show that the previously determined dot height (similar to 14 nm) as "seen" by cross-sectional scanning tunneling microscopy (XSTM) could not possibly be consistent with the excitonic signature (1.7-1.9 eV), as the latter must reflect dot height of 1-4 nm. Multiexciton "barcode" and fine structure spitting suggest GaAs/AlGaAs dots are in Gaussian-shape in agreement with XSTM measurement. Both spectroscopy and XSTM measurements were done on GaAs dots capped by the Al(0.3)Ga(0.7)As barrier layer. The fact that XSTM sees tall dots and spectroscopy sees short dots is thus not because the dot change its height in one experiment relative to the other but because different dots must have been used. This was uncovered by theoretical simulation of the experiment showing that the two experiments could not possibly correspond to the same dot. C1 [Luo, Jun-Wei] Natl Renewable Energy Lab, Golden, CO 80401 USA. [Zunger, Alex] Univ Colorado, Boulder, CO 80309 USA. RP Luo, JW (reprint author), Natl Renewable Energy Lab, Golden, CO 80401 USA. EM jun-wei.luo@nrel.gov; alex.zunger@gmail.com RI Zunger, Alex/A-6733-2013; LUO, JUNWEI/B-6545-2013; LUO, JUN-WEI/A-8491-2010 FU US Department of Energy, Office of Science, Basic Energy Science, Materials Sciences and Engineering [DE-AC36-08GO28308] FX This work was funded by the US Department of Energy, Office of Science, Basic Energy Science, Materials Sciences and Engineering, under Contract No. DE-AC36-08GO28308 to NREL. NR 34 TC 11 Z9 11 U1 0 U2 15 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1098-0121 J9 PHYS REV B JI Phys. Rev. B PD DEC 28 PY 2011 VL 84 IS 23 AR 235317 DI 10.1103/PhysRevB.84.235317 PG 5 WC Physics, Condensed Matter SC Physics GA 868XP UT WOS:000298560100003 ER PT J AU Saparov, B Calder, S Sipos, B Cao, HB Chi, SX Singh, DJ Christianson, AD Lumsden, MD Sefat, AS AF Saparov, Bayrammurad Calder, Stuart Sipos, Balazs Cao, Huibo Chi, Songxue Singh, David J. Christianson, Andrew D. Lumsden, Mark D. Sefat, Athena S. TI Spin glass and semiconducting behavior in one-dimensional BaFe2-delta Se3 (delta approximate to 0.2) crystals SO PHYSICAL REVIEW B LA English DT Article ID BA-FE-S; IRON; CHEMISTRY; BA6FE8S15; BAFE2S3; PHASES AB We investigate the physical properties and electronic structure of BaFe1.79(2)Se3 crystals, which were grown out of tellurium flux. The crystal structure of the compound, an iron-deficient derivative of the ThCr2Si2-type, is built upon edge-shared FeSe4 tetrahedra fused into double chains. The semiconducting BaFe1.79(2)Se3 (rho(295K) = 0.18 Omega.cm and E-g = 0.30 eV) does not order magnetically; however, there is evidence for short-range magnetic correlations of spin glass type (T-f approximate to 50 K) in magnetization, heat capacity, and neutron diffraction results. A one-third substitution of selenium with sulfur leads to a slightly higher electrical conductivity (rho(295K) = 0.11 Omega.cm and E-g = 0.22 eV) and a lower spin glass freezing temperature (T-f approximate to 15 K), corroborating with higher electrical conductivity reported for BaFe2S3. According to the electronic structure calculations, BaFe2Se3 can be considered as a one-dimensional ladder structure with a weak interchain coupling. C1 [Saparov, Bayrammurad; Sipos, Balazs; Singh, David J.; Sefat, Athena S.] Oak Ridge Natl Lab, Div Mat Sci & Technol, Oak Ridge, TN 37831 USA. [Calder, Stuart; Cao, Huibo; Chi, Songxue; Christianson, Andrew D.; Lumsden, Mark D.] Oak Ridge Natl Lab, Neutron Scattering Sci Div, Oak Ridge, TN 37831 USA. RP Saparov, B (reprint author), Oak Ridge Natl Lab, Div Mat Sci & Technol, POB 2008, Oak Ridge, TN 37831 USA. EM saparovbi@ornl.gov RI Singh, David/I-2416-2012; christianson, andrew/A-3277-2016; Chi, Songxue/A-6713-2013; Cao, Huibo/A-6835-2016; Sefat, Athena/R-5457-2016; Lumsden, Mark/F-5366-2012 OI christianson, andrew/0000-0003-3369-5884; Chi, Songxue/0000-0002-3851-9153; Cao, Huibo/0000-0002-5970-4980; Sefat, Athena/0000-0002-5596-3504; Lumsden, Mark/0000-0002-5472-9660 FU Department of Energy, Basic Energy Sciences, Materials Sciences and Engineering Division and Scientific User Facilities Division FX We thank B. C. Sales for fruitful the discussions and M. A. McGuire for assistance. The single-crystal x-ray diffraction experiments were carried out with the assistance of R. Custelcean. This work was supported by the Department of Energy, Basic Energy Sciences, Materials Sciences and Engineering Division and Scientific User Facilities Division. NR 30 TC 29 Z9 29 U1 4 U2 44 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 2469-9950 EI 2469-9969 J9 PHYS REV B JI Phys. Rev. B PD DEC 28 PY 2011 VL 84 IS 24 AR 245132 DI 10.1103/PhysRevB.84.245132 PG 11 WC Physics, Condensed Matter SC Physics GA 868YX UT WOS:000298563600002 ER PT J AU Arndt, O Kratz, KL Walters, WB Farouqi, K Koster, U Fedosseev, V Hennrich, S Jost, CJ Wohr, A Hecht, AA Pfeiffer, B Shergur, J Hoteling, N AF Arndt, O. Kratz, K. -L. Walters, W. B. Farouqi, K. Koester, U. Fedosseev, V. Hennrich, S. Jost, C. J. Woehr, A. Hecht, A. A. Pfeiffer, B. Shergur, J. Hoteling, N. TI Decay of the r-process nuclides Sb-137,Sb-138,Sb-139, and the A=130 solar r-process abundance peak SO PHYSICAL REVIEW C LA English DT Article ID NUCLEAR-DATA SHEETS; PROCESS NUCLEOSYNTHESIS; ELEMENT SYNTHESIS; MASS FORMULA; EARLY GALAXY; STARS; ISOTOPES; STABILITY; ISOLDE; IONIZATION AB Half-life (T-1/2) and beta-delayed neutron branching (P-n) values of 492(25) ms and 49(8)%, 350(15) ms and 72(8)%, and 93(13) ms and 90(10)% for the r-process nuclei Sb-137,Sb-138,Sb-139, respectively, have been measured at the CERN On-Line Isotope Mass Separator (ISOLDE) facility by counting beta-delayed neutrons. More precise T-1/2 and P-n values of 300(15) ms and 27(4)%, and 273(7) ms and 50(8)% for Sn-136,Sn-137, respectively, have also been measured. The sources were prepared by using the selective ionization of Sb or Sn with the Resonance Ionization Laser Ion Source and the high-resolution mass separator. The new data for Sb isotopes are compared with calculated T-1/2 and P-n values for both spherical and nonspherical shapes. The data have been incorporated into parametrized nucleosynthesis calculations of the r process in high-entropy winds of core-collapse supernovae in order to study the properties of the A = 130 solar-system r-process abundance peak. C1 [Arndt, O.; Kratz, K. -L.; Farouqi, K.; Hennrich, S.; Jost, C. J.; Pfeiffer, B.] Otto Hahn Inst, Max Planck Inst Chem, D-55128 Mainz, Germany. [Walters, W. B.; Woehr, A.; Hecht, A. A.; Shergur, J.; Hoteling, N.] Univ Maryland, Dept Chem & Biochem, College Pk, MD 20742 USA. [Koester, U.] Inst Laue Langevin, F-38042 Grenoble, France. [Fedosseev, V.] CERN, CH-1211 Geneva 23, Switzerland. [Woehr, A.; Hecht, A. A.; Shergur, J.; Hoteling, N.] Argonne Natl Lab, Div Phys, Argonne, IL 60439 USA. RP Arndt, O (reprint author), Otto Hahn Inst, Max Planck Inst Chem, Joh J Becherweg 27, D-55128 Mainz, Germany. RI Fedosseev, Valentin/A-6240-2010 OI Fedosseev, Valentin/0000-0001-8767-1445 FU US Department of Energy [DE-FG02-94-ER40834]; Bundesministerium fur Bildung and Forschung (BMBF) [06MZ-864]; ISOLDE; Alexander von Humboldt Foundation FX This work was supported by the US Department of Energy under Grant No. DE-FG02-94-ER40834, and the Bundesministerium fur Bildung and Forschung (BMBF) under Contract No. 06MZ-864. The authors wish to acknowledge the support of the ISOLDE staff during the experiments, and during the development of the ionization scheme for Sb. W.B.W. also wishes to acknowledge the support of the Alexander von Humboldt Foundation. NR 52 TC 11 Z9 11 U1 0 U2 5 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 0556-2813 J9 PHYS REV C JI Phys. Rev. C PD DEC 28 PY 2011 VL 84 IS 6 AR 061307 DI 10.1103/PhysRevC.84.061307 PG 5 WC Physics, Nuclear SC Physics GA 868ZG UT WOS:000298564600001 ER PT J AU Cheung, C Elor, G Hall, L AF Cheung, Clifford Elor, Gilly Hall, Lawrence TI Gravitino freeze-in SO PHYSICAL REVIEW D LA English DT Article ID U(2) FLAVOR SYMMETRY; DARK-MATTER; HORIZONTAL SYMMETRIES; COLLIDERS; MASSES AB We explore an alternative mechanism for the production of gravitino dark matter whereby relic gravitinos originate from the decays of superpartners which are still in thermal equilibrium, i.e. via freeze-in. Contributions to the gravitino abundance from freeze-in can easily dominate over those from thermal scattering over a broad range of parameter space, e. g., when the scalar superpartners are heavy. Because the relic abundance from freeze-in is independent of the reheating temperature after inflation, collider measurements may be used to unambiguously reconstruct the freeze-in origin of gravitinos. In particular, if gravitino freeze-in indeed accounts for the present day dark matter abundance, then the lifetime of the next-to-lightest superpartner is uniquely fixed by the superpartner spectrum. C1 [Cheung, Clifford; Elor, Gilly; Hall, Lawrence] Univ Calif Berkeley, Berkeley Ctr Theoret Phys, Berkeley, CA 94720 USA. [Cheung, Clifford; Elor, Gilly; Hall, Lawrence] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Theoret Phys Grp, Berkeley, CA 94720 USA. RP Cheung, C (reprint author), Univ Calif Berkeley, Berkeley Ctr Theoret Phys, Berkeley, CA 94720 USA. FU Director, Office of Science, Office of High Energy and Nuclear Physics, of the US Department of Energy [DE-AC02-05CH11231]; National Science Foundation [PHY-0457315] FX We would like to thank Piyush Kumar for collaboration during the early stages of this work. This work was supported in part by the Director, Office of Science, Office of High Energy and Nuclear Physics, of the US Department of Energy under Contract DE-AC02-05CH11231 and by the National Science Foundation on grant PHY-0457315. NR 41 TC 19 Z9 19 U1 0 U2 0 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 2470-0010 EI 2470-0029 J9 PHYS REV D JI Phys. Rev. D PD DEC 28 PY 2011 VL 84 IS 11 AR 115021 DI 10.1103/PhysRevD.84.115021 PG 5 WC Astronomy & Astrophysics; Physics, Particles & Fields SC Astronomy & Astrophysics; Physics GA 870BI UT WOS:000298643700002 ER PT J AU Hoskins, J Hwang, J Martin, C Sikivie, P Sullivan, NS Tanner, DB Hotz, M Rosenberg, LJ Rybka, G Wagner, A Asztalos, SJ Carosi, G Hagmann, C Kinion, D van Bibber, K Bradley, R Clarke, J AF Hoskins, J. Hwang, J. Martin, C. Sikivie, P. Sullivan, N. S. Tanner, D. B. Hotz, M. Rosenberg, L. J. Rybka, G. Wagner, A. Asztalos, S. J. Carosi, G. Hagmann, C. Kinion, D. van Bibber, K. Bradley, R. Clarke, J. TI Search for nonvirialized axionic dark matter SO PHYSICAL REVIEW D LA English DT Article ID INVISIBLE-AXION; HARMLESS AXION; CP INVARIANCE; AMPLIFIER; DENSITY AB Cold dark matter in the Milky Way halo may have structure defined by flows with low velocity dispersion. The Axion Dark Matter eXperiment high resolution channel is especially sensitive to axions in such low velocity dispersion flows. Results from a combined power spectra analysis of the high resolution channel axion search are presented along with a discussion of the assumptions underlying such an analysis. We exclude Kim-Shifman-Vainshtein-Zakharov axion dark matter densities of rho greater than or similar to 0.2 GeV/cm(3) and Dine-Fischler-Srednicki-Zhitnitskii densities of rho greater than or similar to 1.4 GeV/cm(3) over a mass range of m(a) = 3.3 mu eV to 3.69 mu eV for models having velocity dispersions of Delta beta less than or similar to 3 x 10(-6). C1 [Hoskins, J.; Hwang, J.; Martin, C.; Sikivie, P.; Sullivan, N. S.; Tanner, D. B.] Univ Florida, Gainesville, FL 32611 USA. [Hotz, M.; Rosenberg, L. J.; Rybka, G.; Wagner, A.] Univ Washington, Seattle, WA 98195 USA. [Asztalos, S. J.; Carosi, G.; Hagmann, C.; Kinion, D.; van Bibber, K.] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA. [Bradley, R.] Natl Radio Astron Observ, Charlottesville, VA 22903 USA. [Clarke, J.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA. RP Hoskins, J (reprint author), Univ Florida, Gainesville, FL 32611 USA. FU U.S. Department of Energy [DE-FG02-97ER41029, DE-FG02-96ER40956, DE-AC52-07NA27344, DE-AC03-76SF00098]; LDRD at Lawrence Livermore National Laboratory FX This work has been supported by the U.S. Department of Energy through Grant Nos. DE-FG02-97ER41029, DE-FG02-96ER40956, DE-AC52-07NA27344, and DE-AC03-76SF00098, as well as through the LDRD program at Lawrence Livermore National Laboratory. NR 27 TC 27 Z9 27 U1 0 U2 3 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1550-7998 J9 PHYS REV D JI Phys. Rev. D PD DEC 28 PY 2011 VL 84 IS 12 AR 121302 DI 10.1103/PhysRevD.84.121302 PG 5 WC Astronomy & Astrophysics; Physics, Particles & Fields SC Astronomy & Astrophysics; Physics GA 870FW UT WOS:000298655600001 ER PT J AU Linder, EV AF Linder, Eric V. TI Model-independent tests of cosmic gravity SO PHILOSOPHICAL TRANSACTIONS OF THE ROYAL SOCIETY A-MATHEMATICAL PHYSICAL AND ENGINEERING SCIENCES LA English DT Article DE gravitation; general relativity; cosmic expansion; cosmic growth; galaxy surveys ID REDSHIFT DISTORTIONS; GROWTH; COSMOLOGY; PROBE AB Gravitation governs the expansion and fate of the universe, and the growth of large-scale structure within it, but has not been tested in detail on these cosmic scales. The observed acceleration of the expansion may provide signs of gravitational laws beyond general relativity (GR). Since the form of any such extension is not clear, from either theory or data, we adopt a model-independent approach to parametrizing deviations to the Einstein framework. We explore the phase space dynamics of two key post-GR functions and derive a classification scheme, and an absolute criterion on accuracy necessary for distinguishing classes of gravity models. Future surveys will be able to constrain the post-GR functions' amplitudes and forms to the required precision, and hence reveal new aspects of gravitation. C1 [Linder, Eric V.] Univ Calif Berkeley, Berkeley Ctr Cosmol Phys, Berkeley, CA 94720 USA. [Linder, Eric V.] Univ Calif Berkeley, Berkeley Lab, Berkeley, CA 94720 USA. [Linder, Eric V.] Ewha Womans Univ, Inst Early Universe WCU, Seoul, South Korea. RP Linder, EV (reprint author), Univ Calif Berkeley, Berkeley Ctr Cosmol Phys, Berkeley, CA 94720 USA. EM evlinder@lbl.gov FU Office of Science, Office of High Energy Physics, of the US Department of Energy [DE-AC02-05CH11231]; World Class University through National Research Foundation, Ministry of Education, Science and Technology of Korea [R32-2009-000-10130-0] FX I gratefully acknowledge Stephen Appleby, Scott Daniel and Tristan Smith for valuable discussions and collaborations. I thank the Centro de Ciencias Pedro Pascual in Benasque, Spain and the Kavli Royal Society International Centre for hospitality. This work has been supported in part by the Director, Office of Science, Office of High Energy Physics, of the US Department of Energy under contract no. DE-AC02-05CH11231, and the World Class University grant R32-2009-000-10130-0 through the National Research Foundation, Ministry of Education, Science and Technology of Korea. NR 48 TC 10 Z9 10 U1 0 U2 2 PU ROYAL SOC PI LONDON PA 6-9 CARLTON HOUSE TERRACE, LONDON SW1Y 5AG, ENGLAND SN 1364-503X J9 PHILOS T R SOC A JI Philos. Trans. R. Soc. A-Math. Phys. Eng. Sci. PD DEC 28 PY 2011 VL 369 IS 1957 BP 4985 EP 4997 DI 10.1098/rsta.2011.0288 PG 13 WC Multidisciplinary Sciences SC Science & Technology - Other Topics GA 847OC UT WOS:000296981200005 PM 22084288 ER PT J AU Beveridge, A Bradonjic, M AF Beveridge, Andrew Bradonjic, Milan TI On the mixing time of geographical threshold graphs SO DISCRETE MATHEMATICS LA English DT Article DE Geographical threshold graphs; Mixing time; Random geometric graphs AB We study the mixing time of random graphs in the d-dimensional toric unit cube [0, 1](d) generated by the geographical threshold graph (GIG) model, a generalization of random geometric graphs (RGG). In a GTG, nodes are distributed in a Euclidean space, and edges are assigned according to a threshold function involving the distance between nodes as well as randomly chosen node weights, drawn from some distribution. The connectivity threshold for GTGs is comparable to that of RGGs, essentially corresponding to a connectivity radius of r = (log n/n)(1/d). However, the degree distributions at this threshold are quite different: in an RGG the degrees are essentially uniform, while RGGs have heterogeneous degrees that depend upon the weight distribution. Herein, we study the mixing times of random walks on d-dimensional GTGs near the connectivity threshold for d >= 2. If the weight distribution function decays with P[W >= x] = 0(1/x(d+v)) for an arbitrarily small constant v > 0 then the mixing time of GTG is 0(n(2/d)(log n)((d-2)/d)) This matches the known mixing bounds for the d-dimensional RGG. (C) 2011 Elsevier B.V. All rights reserved. C1 [Bradonjic, Milan] Bell Labs, Murray Hill, NJ 07974 USA. [Beveridge, Andrew] Macalester Coll, Dept Math Stat & Comp Sci, St Paul, MN 55105 USA. [Bradonjic, Milan] Los Alamos Natl Lab, Los Alamos, NM 87545 USA. RP Bradonjic, M (reprint author), Bell Labs, 600 Mt Ave, Murray Hill, NJ 07974 USA. EM abeverid@macalester.edu; milan@research.bell-labs.com FU NSA [H98230-08-1-0064]; Laboratory Directed Research and Development; Center for Nonlinear Studies at Los Alamos National Laboratory FX The first author was supported in part by NSA Young Investigator Grant H98230-08-1-0064. The second author was supported in part through the Laboratory Directed Research and Development Program, and Center for Nonlinear Studies at Los Alamos National Laboratory. NR 29 TC 0 Z9 0 U1 0 U2 2 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 0012-365X J9 DISCRETE MATH JI Discret. Math. PD DEC 28 PY 2011 VL 311 IS 23-24 BP 2637 EP 2649 DI 10.1016/j.disc.2011.08.003 PG 13 WC Mathematics SC Mathematics GA 841AU UT WOS:000296485200001 ER PT J AU Alessi, D Wang, Y Luther, BM Yin, L Martz, DH Woolston, MR Liu, Y Berrill, M Rocca, JJ AF Alessi, D. Wang, Y. Luther, B. M. Yin, L. Martz, D. H. Woolston, M. R. Liu, Y. Berrill, M. Rocca, J. J. TI Efficient Excitation of Gain-Saturated Sub-9-nm-Wavelength Tabletop Soft-X-Ray Lasers and Lasing Down to 7.36 nm SO PHYSICAL REVIEW X LA English DT Article ID HZ REPETITION RATE; COHERENT; ENERGY; BEAM AB We have demonstrated the efficient generation of sub-9-nm-wavelength picosecond laser pulses of microjoule energy at 1-Hz repetition rate with a tabletop laser. Gain-saturated lasing was obtained at lambda = 8.85 nm in nickel-like lanthanum ions excited by collisional electron-impact excitation in a precreated plasma column heated by a picosecond optical laser pulse of 4-J energy. Furthermore, isoelectronic scaling along the lanthanide series resulted in lasing at wavelengths as short as lambda = 7.36 nm. Simulations show that the collisionally broadened atomic transitions in these dense plasmas can support the amplification of subpicosecond soft-x-ray laser pulses. C1 [Alessi, D.; Wang, Y.; Luther, B. M.; Yin, L.; Martz, D. H.; Woolston, M. R.; Liu, Y.; Berrill, M.; Rocca, J. J.] NSF Engn Res Ctr Extreme Ultraviolet Sci & Techno, Ft Collins, CO 80523 USA. [Alessi, D.; Wang, Y.; Luther, B. M.; Yin, L.; Martz, D. H.; Woolston, M. R.; Berrill, M.; Rocca, J. J.] Colorado State Univ, Dept Elect & Comp Engn, Ft Collins, CO 80523 USA. [Liu, Y.] Univ Calif Berkeley, Dept Elect Engn & Comp Sci, Berkeley, CA 94720 USA. [Berrill, M.] Oak Ridge Natl Lab, Oak Ridge, TN 37830 USA. [Rocca, J. J.] Colorado State Univ, Dept Phys, Ft Collins, CO 80523 USA. RP Alessi, D (reprint author), NSF Engn Res Ctr Extreme Ultraviolet Sci & Techno, Ft Collins, CO 80523 USA. EM dalessi@engr.colostate.edu; jorge.rocca@colostate.edu OI Berrill, Mark/0000-0002-4525-3939 FU NSF ERC for Extreme Ultraviolet Science and Technology under NSF [EEC 0310717]; AMOS program of the Chemical Sciences, Geosciences, and Biosciences Division, Office of Basic Energy Sciences, U.S. Department of Energy using equipment developed under NSF [MRI-ARRA 09-561]; UT-Battelle, LLC, for the U.S. Department of Energy [DE-AC05-00OR22725]; NSF [CNS-0923386] FX The authors thank Eric Gullikson and David Attwood for their contributions to the development of the lambda = 8.85 nm soft-x-ray multilayer mirrors used to diagnose the laser beam; E. Cabosh, D. Reinholz, C. Menoni and D. Patel for their contributions to the development of the pump-optics design and fabrication; and L. Durivage for his assistance with model computations. This work was supported by the NSF ERC for Extreme Ultraviolet Science and Technology under NSF Grant No. EEC 0310717 and by the AMOS program of the Chemical Sciences, Geosciences, and Biosciences Division, Office of Basic Energy Sciences, U.S. Department of Energy using equipment developed under NSF Grant No. MRI-ARRA 09-561. M. B. acknowledges support for staff members at Oak Ridge National Laboratory managed by UT-Battelle, LLC, for the U.S. Department of Energy under Contract No. DE-AC05-00OR22725. Model computations were partially done using the CSU ISTeC Cray HPC System supported by NSF Grant No. CNS-0923386. NR 33 TC 18 Z9 18 U1 0 U2 14 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 2160-3308 J9 PHYS REV X JI Phys. Rev. X PD DEC 27 PY 2011 VL 1 IS 2 AR 021023 DI 10.1103/PhysRevX.1.021023 PG 6 WC Physics, Multidisciplinary SC Physics GA 029PT UT WOS:000310508600002 ER PT J AU Croy, JR Balasubramanian, M Kim, D Kang, SH Thackeray, MM AF Croy, Jason R. Balasubramanian, Mahalingam Kim, Donghan Kang, Sun-Ho Thackeray, Michael M. TI Designing High-Capacity, Lithium-Ion Cathodes Using X-ray Absorption Spectroscopy SO CHEMISTRY OF MATERIALS LA English DT Article DE EXAFS; XANES; lithium-ion batteries; composite; cathode; lithium-nickel-phosphate; Li(2)MnO(3) ID JAHN-TELLER DISTORTION; LI-ION; LOCAL-STRUCTURE; ELECTROCHEMICAL-BEHAVIOR; LINI0.5MN0.5O2 CATHODE; CHARGE COMPENSATION; FINE-STRUCTURE; BATTERIES M; ELECTRODES; MN AB We have taken advantage of the element specific nature of X-ray absorption spectroscopy to elucidate the chemical and structural details of a surface treatment intended for the protection of high-capacity cathode materials. Electrochemical data have shown that surface treatments of 0.5Li(2)MnO(3)center dot 0.5LiCoO(2) (Li(1.2)Mn(0.4)Co(0.4)O(2)) with an acidic solution of lithium nickel-phosphate significantly improves electrode capacity, rate, and cycling stability. XAS data reveal that the surface treatment results in a modification of the composite structure itself, where Ni(2+) cations, intended to be present in a lithium nickel-phosphate coating, have instead displaced lithium in the transition metal layers of Li(2)MnO(3)-like domains within the 0.5Li(2)MnO(3)center dot 0.5LiCoO(2) structure. X-ray diffraction data show the presence of Li(3)PO(4), suggesting that phosphate ions from the acidic solution are responsible for lithium extraction and nickel insertion with the formation of vacancies and/or manganese reduction for charge compensation. Furthermore, we show that the above effects are not limited to lithium-nickel-phosphate treatments. The studies described are consistent with a novel approach for synthesizing and tailoring the structures of high-capacity cathode materials whereby a Li(2)MnO(3) framework is used as a precursor for synthesizing a wide variety of composite metal oxide insertion electrodes for Li-ion battery applications. C1 [Croy, Jason R.; Kim, Donghan; Kang, Sun-Ho; Thackeray, Michael M.] Argonne Natl Lab, Electrochem Energy Storage Dept, Chem Sci & Engn Div, Argonne, IL 60439 USA. [Balasubramanian, Mahalingam] Argonne Natl Lab, Xray Sci Div, Adv Photon Source, Argonne, IL 60439 USA. RP Balasubramanian, M (reprint author), Argonne Natl Lab, Electrochem Energy Storage Dept, Chem Sci & Engn Div, Argonne, IL 60439 USA. EM mali@aps.anl.gov; thackeray@anl.gov FU Office of Vehicle Technologies of the U.S. Department of Energy (DOE); Center for Electrical Energy Storage: Tailored Interfaces, an Energy Frontier Research Center; U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences; U.S. DOE, Basic Energy Sciences; National Sciences and Engineering Research Council of Canada; U.S. Department of Energy Office of Science laboratory [DE-AC02-06CH11357] FX Financial support for J.R.C., D.K., and S.H.K. from the Office of 'Vehicle Technologies of the U.S. Department of Energy (DOE) is gratefully acknowledged. MMT was supported by the Center for Electrical Energy Storage: Tailored Interfaces, an Energy Frontier Research Center funded by the U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences. M.B. and Sector 20 facilities at the Advanced Photon Source of Argonne National Laboratory, and research at these facilities, are supported by the U.S. DOE, Basic Energy Sciences, and National Sciences and Engineering Research Council of Canada and its founding institutions. Visualization and graphic representation of structures facilitated by Jmol: http://www.jmol.org/; The submitted manuscript has been created by UChicago Argonne, LLC, Operator of Argonne National Laboratory ("Argonne"). Argonne, a U.S. Department of Energy Office of Science laboratory, is operated under Contract No. DE-AC02-06CH11357. The U.S. Government retains for itself, and others acting on its behalf, a paid-up, nonexclusive, irrevocable worldwide license in said article to reproduce, prepare derivative works, distribute copies to the public, and perform publicly and display publicly, by or on behalf of the Government. NR 50 TC 41 Z9 42 U1 3 U2 99 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0897-4756 J9 CHEM MATER JI Chem. Mat. PD DEC 27 PY 2011 VL 23 IS 24 BP 5415 EP 5424 DI 10.1021/cm2026703 PG 10 WC Chemistry, Physical; Materials Science, Multidisciplinary SC Chemistry; Materials Science GA 863VV UT WOS:000298197300019 ER PT J AU Andrianarijaona, VM Draganic, IN Seely, DG Havener, CC AF Andrianarijaona, V. M. Draganic, I. N. Seely, D. G. Havener, C. C. TI Charge transfer in collisions between diatomic molecular ions and atomic hydrogen using merged beams SO PHYSICAL REVIEW A LA English DT Article ID CAPTURE CROSS-SECTIONS; ENERGY-ELECTRON CAPTURE; DISSOCIATIVE RECOMBINATION; RYDBERG STATES; CO; O-2; PHOTODISSOCIATION; EXCHANGE; A2PI; H-2 AB A merged-beam technique is used to measure charge transfer (CT) cross sections for the (O(2)(+), D) and (CO(+), D) systems over a wide range of collision energy from 20 eV/u to 2 keV/u. At the higher energies where the collision is rovibrationally frozen and the differences in the Q values of the CT process can be neglected, the cross sections all converge to (7.5 +/- 0.5) x 10(-16) cm(2) at 2 keV/u and are consistent with a rovibrational frozen (H(2)(+), H) calculation. Toward lower velocities, (O(2)(+), D) and (CO(+), D) have consistently similar cross sections but diverge below 60 eV/u. In contrast, previously reported merged-beam measurements for (D(2)(+), H), a system with fewer electrons on the molecular core, no electronic excited states, and relatively fewer charge transfer channels, shows a decreasing cross section toward lower energies. These different trends are compared to previous merged-beam measurements of charge transfer with H for several atomic 4+ ions (Si(4+), Ne(4+), N(4+), and C(4+)) which have a variety of electrons on the core. C1 [Andrianarijaona, V. M.] Pacific Union Coll, Dept Phys, Angwin, CA 94508 USA. [Draganic, I. N.; Havener, C. C.] Oak Ridge Natl Lab, Div Phys, Oak Ridge, TN 37831 USA. [Seely, D. G.] Albion Coll, Dept Phys, Albion, MI 49224 USA. RP Andrianarijaona, VM (reprint author), Pacific Union Coll, Dept Phys, Angwin, CA 94508 USA. FU Office of Fusion Energy Sciences; Division of Chemical Sciences, Geosciences, and Biosciences, Office of Basic Energy Sciences of the US Department of Energy; National Science Foundation [PHY-1068877]; NASA [NNH07ZDA001N]; ORNL FX This research is supported by the Office of Fusion Energy Sciences and the Division of Chemical Sciences, Geosciences, and Biosciences, Office of Basic Energy Sciences of the US Department of Energy. V. M. A. is supported by the National Science Foundation through Grant No. PHY-1068877. I.N.D is supported by the NASA Solar & Heliospheric Physics Program NNH07ZDA001N and acknowledges support from the ORNL Postdoctoral Research Associates Program, administered jointly by the Oak Ridge Institute for Science and Education and Oak Ridge National Laboratory. NR 40 TC 1 Z9 1 U1 0 U2 3 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1050-2947 J9 PHYS REV A JI Phys. Rev. A PD DEC 27 PY 2011 VL 84 IS 6 AR 062716 DI 10.1103/PhysRevA.84.062716 PG 5 WC Optics; Physics, Atomic, Molecular & Chemical SC Optics; Physics GA 867WG UT WOS:000298484900011 ER PT J AU Alam, A Chouhan, RK Mookerjee, A AF Alam, Aftab Chouhan, Rajiv K. Mookerjee, Abhijit TI Thermal conductivity and diffusion-mediated localization in Fe1-xCrx alloys from first principles SO PHYSICAL REVIEW B LA English DT Article ID AMORPHOUS-SILICON AB We apply a Kubo-Greenwood-type formula combined with a generalized Feynman diagrammatic technique to report a first-principles calculation of the thermal transport properties of disordered Fe1-xCrx alloys. The diagrammatic approach simplifies the inclusion of disorder-induced scattering effects on the two-particle correlation functions and hence renormalizes the heat current operator to calculate configuration averaged lattice thermal conductivity and diffusivity. The thermal conductivity kappa(T) in the present case shows an approximate quadratic T dependence in the low-temperature regime (T < 20 K), which subsequently rises smoothly to a T-independent saturated value at high T. A numerical estimate of mobility edge from the thermal diffusivity data yields the fraction of localized states. It is concluded that the complex disorder scattering processes, in force-constant dominated disorder alloys such as Fe-Cr, tend to localize the vibrational modes quite significantly. C1 [Alam, Aftab] Ames Lab, Div Mat Sci & Engn, Ames, IA 50011 USA. [Chouhan, Rajiv K.; Mookerjee, Abhijit] SN Bose Natl Ctr Basic Sci, JD III Salt Lake City, Dept Mat Sci, Kolkata 700098, India. [Mookerjee, Abhijit] SN Bose Natl Ctr Basic Sci, Adv Mat Res Unit, Kolkata 700098, India. RP Alam, A (reprint author), Ames Lab, Div Mat Sci & Engn, Ames, IA 50011 USA. EM aftab@ameslab.gov; abhijit@bose.res.in FU US Department of Energy BES/Materials Science and Engineering Division [DEFG02-03ER46026]; Ames Laboratory [DE-AC02-07CH11358] FX A.A. acknowledges support from the US Department of Energy BES/Materials Science and Engineering Division from Contract No. DEFG02-03ER46026 and Ames Laboratory, Contract No. DE-AC02-07CH11358, operated by Iowa State University. This work was done under the Hydra Collaboration. NR 15 TC 4 Z9 4 U1 0 U2 4 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 2469-9950 EI 2469-9969 J9 PHYS REV B JI Phys. Rev. B PD DEC 27 PY 2011 VL 84 IS 22 AR 224309 DI 10.1103/PhysRevB.84.224309 PG 4 WC Physics, Condensed Matter SC Physics GA 868WJ UT WOS:000298556700006 ER PT J AU Khan, M Mudryk, Y Gschneidner, KA Pecharsky, VK AF Khan, Mahmud Mudryk, Ya Gschneidner, K. A., Jr. Pecharsky, V. K. TI Magnetism of Ho1-xTbxAl2 alloys: Critical dependence of a first-order transition on Tb concentration SO PHYSICAL REVIEW B LA English DT Article ID MAGNETOCRYSTALLINE ANISOTROPY; CRYSTAL-FIELD; SINGLE-CRYSTAL; HOAL2; HEAT; TBAL2 AB HoAl2 exhibits a first-order spin reorientation transition at 20 K, which is manifested as a sharp peak in the heat capacity. When Ho is partially replaced by only 5% of Tb, the sharp heat-capacity peak in Ho1-xTbxAl2 (x = 0.05) disappears, and then reappears again for x >= 0.07. For x = 0.05, the anomaly corresponding to the spin reorientation transition is barely seen in the heat capacity, but as x exceeds 0.07 the weak anomaly transforms to a sharp peak. The spin reorientation transition temperature increases to 29 K for x = 0.05, and as x increases further the transition shifts to lower temperature and returns to similar to 20 K for x = 0.25. The transition is no longer observed when x exceeds 0.60. Temperature-dependent x-ray powder-diffraction data confirm the first-order nature of the spin reorientation transition for the alloy with x = 0.40, and indicate that the compound retains the room-temperature cubic structure within the sensitivity of the technique. Experimental observations are discussed considering the easy magnetization directions of HoAl2 and TbAl2. C1 [Khan, Mahmud; Mudryk, Ya; Gschneidner, K. A., Jr.; Pecharsky, V. K.] Iowa State Univ, Ames Lab, US Dept Energy, Ames, IA 50011 USA. [Gschneidner, K. A., Jr.; Pecharsky, V. K.] Iowa State Univ, Dept Mat Sci & Engn, Ames, IA 50011 USA. RP Khan, M (reprint author), Iowa State Univ, Ames Lab, US Dept Energy, Ames, IA 50011 USA. FU US Department of Energy, Office of Basic Energy Science, Division of Materials Sciences and Engineering; Iowa State University [DE-AC02-07CH11358] FX This work was supported by the US Department of Energy, Office of Basic Energy Science, Division of Materials Sciences and Engineering. The research was performed at the Ames Laboratory. Ames Laboratory is operated for the US Department of Energy by Iowa State University under Contract No. DE-AC02-07CH11358. NR 24 TC 4 Z9 4 U1 0 U2 9 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1098-0121 J9 PHYS REV B JI Phys. Rev. B PD DEC 27 PY 2011 VL 84 IS 21 AR 214437 DI 10.1103/PhysRevB.84.214437 PG 7 WC Physics, Condensed Matter SC Physics GA 868UN UT WOS:000298551500007 ER PT J AU Liu, XJ Wang, CZ Hupalo, M Lu, WC Thiel, PA Ho, KM Tringides, MC AF Liu, Xiaojie Wang, C. Z. Hupalo, M. Lu, Wen-Cai Thiel, P. A. Ho, K. M. Tringides, M. C. TI Fe-Fe adatom interaction and growth morphology on graphene SO PHYSICAL REVIEW B LA English DT Article ID AUGMENTED-WAVE METHOD; METALS AB The nucleation and growth of Fe on graphene is highly unusual. A constantly increasing island density indicates the presence of strong, predominantly repulsive, adatom interactions. We study these interactions by first-principles calculations to identify their origin. We find that the interactions consist of a short-range attraction and longer-range repulsion. We show that electric dipole-dipole interaction can contribute only part of the repulsive force (similar to 30%) between Fe adatoms, and the repulsion due to the elastic interaction is small. We suggest that the dominant contribution to the repulsive energy would originate from the indirect (or RKKY) interactions mediated through the delocalized electrons on graphene. C1 [Liu, Xiaojie; Lu, Wen-Cai] Jilin Univ, Inst Theoret Chem, State Key Lab Theoret & Computat Chem, Changchun 130021, Jilin, Peoples R China. [Thiel, P. A.] Iowa State Univ, Ames Lab, US Dept Energy, Dept Chem, Ames, IA 50010 USA. [Liu, Xiaojie; Wang, C. Z.; Hupalo, M.; Ho, K. M.; Tringides, M. C.] Iowa State Univ, Dept Phys & Astron, Ames, IA 50010 USA. [Lu, Wen-Cai] Qingdao Univ, Coll Phys, Qingdao 266071, Shandong, Peoples R China. [Lu, Wen-Cai] Qingdao Univ, Lab Fiber Mat & Modern Text, Growing Base State Key Lab, Qingdao 266071, Shandong, Peoples R China. [Thiel, P. A.] Iowa State Univ, Dept Mat Sci & Engn, Ames, IA 50011 USA. RP Liu, XJ (reprint author), Jilin Univ, Inst Theoret Chem, State Key Lab Theoret & Computat Chem, Changchun 130021, Jilin, Peoples R China. EM wangcz@ameslab.gov; wencailu@jlu.edu.cn FU US Department of Energy, Basic Energy Sciences, Division of Materials Science and Engineering [DE-AC02-07CH11358]; National Energy Research Supercomputing Centre (NERSC) in Berkeley, CA; China Scholarship Council [2009617104]; National Natural Science Foundation of China [21043001, 20773047] FX We are grateful to Jim Evans and Dajiang Liu for useful discussions. Work at Ames Laboratory was supported by the US Department of Energy, Basic Energy Sciences, Division of Materials Science and Engineering, including a grant of computer time at the National Energy Research Supercomputing Centre (NERSC) in Berkeley, CA under Contract No. DE-AC02-07CH11358. Xiaojie Liu acknowledges support from China Scholarship Council (File No. 2009617104). W. C. Lu acknowledges support by the National Natural Science Foundation of China (Nos. 21043001 and 20773047). NR 27 TC 15 Z9 15 U1 1 U2 34 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1098-0121 J9 PHYS REV B JI Phys. Rev. B PD DEC 27 PY 2011 VL 84 IS 23 AR 235446 DI 10.1103/PhysRevB.84.235446 PG 5 WC Physics, Condensed Matter SC Physics GA 868XM UT WOS:000298559600023 ER PT J AU Parker, WD Rondinelli, JM Nakhmanson, SM AF Parker, William D. Rondinelli, James M. Nakhmanson, S. M. TI First-principles study of misfit strain-stabilized ferroelectric SnTiO3 SO PHYSICAL REVIEW B LA English DT Article ID DENSITY-FUNCTIONAL THEORY; D(0) TRANSITION-METALS; 1ST PRINCIPLES; LONE-PAIR; ALPHA-PBO; PEROVSKITE; ORIGIN; DISTORTION; CRYSTALS AB Toxicity of lead and bismuth has motivated an active search for isovalent ferroelectric oxides free of these elements. Using first-principles density-functional calculations, we survey Sn(II) titanates with SnTiO3 stoichiometry to evaluate the phase stability of polar and nonpolar polymorphs: we predict a tetragonal perovskite P4mm phase with a large axial ratio (c/a = 1.134) and ferroelectric polarization (1.28 C/m(2)) to be the ground-state equilibrium structure. We also show that heteroepitaxial thin films of perovskite SnTiO3 promote the stereochemical lone-pair activity and simultaneously enable control over the direction of the net electric polarization and magnitude of the electronic band gap. Finally, we examine the consequence of antisite defects on the polar cation displacements by studying the substitution of Sn on Ti sites. We demonstrate that local metallic screening resulting from site substitution diminishes the magnitude of the polar distortions but does not completely quench it. Based on these calculations, we suggest that polar perovskite SnTiO3 ferroelectrics are viable thin-film alternatives to Pb- and Bi-containing oxides. C1 [Parker, William D.; Nakhmanson, S. M.] Argonne Natl Lab, Div Mat Sci, Argonne, IL 60439 USA. [Rondinelli, James M.] Drexel Univ, Dept Mat Sci & Engn, Philadelphia, PA 19104 USA. [Rondinelli, James M.] Argonne Natl Lab, XRay Sci Div, Argonne, IL 60439 USA. RP Parker, WD (reprint author), Argonne Natl Lab, Div Mat Sci, 9700 S Cass Ave, Argonne, IL 60439 USA. EM wparker@anl.gov RI Rondinelli, James/A-2071-2009; Parker, William/B-4970-2012; Nakhmanson, Serge/A-6329-2014 OI Rondinelli, James/0000-0003-0508-2175; Parker, William/0000-0003-2454-6094; FU US Department of Energy, Office of Science, Office of Basic Energy Sciences; Office of Advanced Scientific Computing Research [DE-AC02-06CH11357] FX This project was supported by the US Department of Energy, Office of Science, Office of Basic Energy Sciences, and by American Recovery and Reinvestment Act (ARRA) funding through the Office of Advanced Scientific Computing Research under Contract No. DE-AC02-06CH11357. NR 41 TC 17 Z9 17 U1 2 U2 48 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1098-0121 J9 PHYS REV B JI Phys. Rev. B PD DEC 27 PY 2011 VL 84 IS 24 AR 245126 DI 10.1103/PhysRevB.84.245126 PG 7 WC Physics, Condensed Matter SC Physics GA 868YS UT WOS:000298563100004 ER PT J AU Walker, HC Le, MD McEwen, KA Bleckmann, M Sullow, S Mazzoli, C Wilkins, SB Fort, D AF Walker, H. C. Le, M. D. McEwen, K. A. Bleckmann, M. Suellow, S. Mazzoli, C. Wilkins, S. B. Fort, D. TI 5f delocalization-induced suppression of quadrupolar order in U(Pd1-xPtx)(3) SO PHYSICAL REVIEW B LA English DT Article ID X-RAY-SCATTERING; SPIN FLUCTUATIONS; HEAVY FERMIONS; UPD3; UPT3; SUPERCONDUCTIVITY; SUSCEPTIBILITY; CRYSTALS; SYSTEM; FIELD AB We present bulk magnetic and transport measurements and x-ray resonant scattering measurements on U(Pd1-xPtx)(3) for x = 0.005 and 0.01, which demonstrate the high sensitivity of the quadrupolar order in the canonical antiferroquadrupolar ordered system UPd3 to doping with platinum. Bulk measurements for x = 0.005 reveal behavior similar to that seen in UPd3, albeit at a lower temperature, and x-ray resonant scattering provides evidence of quadrupolar order described by the Q(xy) order parameter. In contrast, bulk measurements reveal only an indistinct transition in x = 0.01, consistent with the observation of short-range quadrupolar order in our x-ray resonant scattering results. C1 [Walker, H. C.; Mazzoli, C.; Wilkins, S. B.] European Synchrotron Radiat Facil, F-38043 Grenoble, France. [Walker, H. C.; Le, M. D.; McEwen, K. A.] UCL, London Ctr Nanotechnol, London WC1H 0AH, England. [Walker, H. C.; Le, M. D.; McEwen, K. A.] UCL, Dept Phys & Astron, London WC1H 0AH, England. [Le, M. D.] Helmholtz Zentrum Berlin Mat & Energie, D-14109 Berlin, Germany. [Bleckmann, M.; Suellow, S.] TU Braunschweig, Inst Phys Condensed Matter, D-38106 Braunschweig, Germany. [Wilkins, S. B.] Brookhaven Natl Lab, Condensed Matter Phys & Mat Sci Dept, Upton, NY 11973 USA. [Fort, D.] Univ Birmingham, Dept Met & Mat Sci, Birmingham B15 2TT, W Midlands, England. RP Walker, HC (reprint author), European Synchrotron Radiat Facil, Boite Postale 220, F-38043 Grenoble, France. RI Mazzoli, Claudio/J-4360-2012; Le, Manh Duc/D-9901-2011 OI Le, Manh Duc/0000-0003-3012-6053 FU UK Engineering and Physical Sciences Research Council; DFG [SU229/1-3]; US Department of Energy, Division of Materials Science [DE-AC02-98CH10886] FX H.C.W. and M.D.L. thank the UK Engineering and Physical Sciences Research Council for financial support. We are grateful to D. S. Grachtrup and M. Schapers for their help with the resistivity measurements. S. S. acknowledges financial support by the DFG under Contract No. SU229/1-3. Work at Brookhaven was supported by the US Department of Energy, Division of Materials Science, under Contract No. DE-AC02-98CH10886. NR 27 TC 3 Z9 3 U1 0 U2 7 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1098-0121 J9 PHYS REV B JI Phys. Rev. B PD DEC 27 PY 2011 VL 84 IS 23 AR 235142 DI 10.1103/PhysRevB.84.235142 PG 7 WC Physics, Condensed Matter SC Physics GA 868XM UT WOS:000298559600002 ER PT J AU Xiang, HJ Kan, EJ Wei, SH Whangbo, MH Gong, XG AF Xiang, H. J. Kan, E. J. Wei, Su-Huai Whangbo, M. -H. Gong, X. G. TI Predicting the spin-lattice order of frustrated systems from first principles SO PHYSICAL REVIEW B LA English DT Article ID TOTAL-ENERGY CALCULATIONS; AUGMENTED-WAVE METHOD; BASIS-SET; MULTIFERROICS; POLARIZATION AB A novel general method of describing the spin-lattice interactions in magnetic solids is proposed in terms of first-principles calculations. The spin exchange and Dzyaloshinskii-Moriya interactions, as well as their derivatives with respect to atomic displacements, can be evaluated efficiently on the basis of density-functional calculations for four ordered spin states. By taking into consideration the spin-spin interactions, the phonons, and the coupling between them, we show that the ground-state structure of a representative spin-frustrated spinel, MgCr2O4, is tetragonally distorted, in agreement with experiments. However, our calculations find the lowest energy for the collinear spin ground state, in contrast to previously suggested noncollinear models. C1 [Xiang, H. J.; Gong, X. G.] Fudan Univ, Key Lab Computat Phys Sci, Minist Educ, Shanghai 200433, Peoples R China. [Xiang, H. J.; Gong, X. G.] Fudan Univ, Dept Phys, Shanghai 200433, Peoples R China. [Kan, E. J.] Nanjing Univ Sci & Technol, Dept Appl Phys, Nanjing 210094, Jiangsu, Peoples R China. [Wei, Su-Huai] Natl Renewable Energy Lab, Golden, CO 80401 USA. [Whangbo, M. -H.] N Carolina State Univ, Dept Chem, Raleigh, NC 27695 USA. RP Xiang, HJ (reprint author), Fudan Univ, Key Lab Computat Phys Sci, Minist Educ, Shanghai 200433, Peoples R China. EM hxiang@fudan.edu.cn RI zhiqiang, liu/B-9584-2012; Xiang, Hongjun/I-4305-2016; Kan, Erjun/A-4322-2009; gong, xingao/D-6532-2011 OI Xiang, Hongjun/0000-0002-9396-3214; Kan, Erjun/0000-0003-0433-4190; FU NSFC [11104038]; Pujiang plan; Program for Professor of Special Appointment (Eastern Scholar); US DOE [DE-AC36-08GO28308]; NCSU US DOE [DE-FG02-86ER45259] FX Work at Fudan was partially supported by NSFC No. 11104038, Pujiang plan, and Program for Professor of Special Appointment (Eastern Scholar). Work at NREL was supported by US DOE under Contract No. DE-AC36-08GO28308 and that at NCSU US DOE under Grant No. DE-FG02-86ER45259. NR 28 TC 41 Z9 41 U1 3 U2 26 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1098-0121 J9 PHYS REV B JI Phys. Rev. B PD DEC 27 PY 2011 VL 84 IS 22 AR 224429 DI 10.1103/PhysRevB.84.224429 PG 5 WC Physics, Condensed Matter SC Physics GA 868WJ UT WOS:000298556700008 ER PT J AU Yan, JA Driscoll, JA Wyatt, BK Varga, K Pantelides, ST AF Yan, Jia-An Driscoll, J. A. Wyatt, B. K. Varga, K. Pantelides, S. T. TI Time-domain simulation of electron diffraction in crystals SO PHYSICAL REVIEW B LA English DT Article ID WAVE-PACKET; IMAGE SIMULATION; DOUBLE-BARRIER; MICROSCOPY; SCATTERING; GRAPHENE; ATOMS; DYNAMICS; LEED; SURFACE AB Transmission electron microscopy (TEM) and low-energy electron diffraction (LEED) simulations are performed by propagating electron wave packets in real space and real time. The method accurately describes electron scattering in solids for high (>200 keV) and low (20-200 eV) energies. The applicability of the method is demonstrated by calculating TEM images and LEED intensities of silicon and graphene. C1 [Yan, Jia-An; Driscoll, J. A.; Wyatt, B. K.; Varga, K.] Vanderbilt Univ, Dept Phys & Astron, Nashville, TN 37235 USA. [Yan, Jia-An] Towson Univ, Dept Phys Astron & Geosci, Towson, MD 21252 USA. [Driscoll, J. A.] Bradley Univ, Coll Engn & Technol, Peoria, IL 61625 USA. [Pantelides, S. T.] Vanderbilt Univ, Dept Phys & Astron, Nashville, TN 37221 USA. [Pantelides, S. T.] Vanderbilt Univ, Dept Elect Engn & Comp Sci, Nashville, TN 37221 USA. [Pantelides, S. T.] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA. RP Yan, JA (reprint author), Vanderbilt Univ, Dept Phys & Astron, Nashville, TN 37235 USA. RI Yan, Jia-An/F-8282-2010; Varga, Kalman/A-7102-2013 OI Yan, Jia-An/0000-0002-3959-4091; FU DOE [DE-FG02-09ER46554]; NSF [CMMI0927345]; Office of Science of the US Department of Energy [DE-AC02-05CH11231] FX We thank M. Oxley, A. Lupini, and E. Kirkland for useful discussions of multislice simulations. This work was supported in part by DOE Grant No. DE-FG02-09ER46554 and NSF Grant No. CMMI0927345. This research used resources of the National Energy Research Scientific Computing Center, which is supported by the Office of Science of the US Department of Energy under Contract No. DE-AC02-05CH11231. NR 58 TC 8 Z9 8 U1 0 U2 13 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1098-0121 J9 PHYS REV B JI Phys. Rev. B PD DEC 27 PY 2011 VL 84 IS 22 AR 224117 DI 10.1103/PhysRevB.84.224117 PG 10 WC Physics, Condensed Matter SC Physics GA 868WJ UT WOS:000298556700003 ER PT J AU Danchev, M Rainovski, G Pietralla, N Gargano, A Covello, A Baktash, C Beene, JR Bingham, CR Galindo-Uribarri, A Gladnishki, KA Gross, CJ Ponomarev, VY Radford, DC Riedinger, LL Scheck, M Stuchbery, AE Wambach, J Yu, CH Zamfir, NV AF Danchev, M. Rainovski, G. Pietralla, N. Gargano, A. Covello, A. Baktash, C. Beene, J. R. Bingham, C. R. Galindo-Uribarri, A. Gladnishki, K. A. Gross, C. J. Ponomarev, V. Yu Radford, D. C. Riedinger, L. L. Scheck, M. Stuchbery, A. E. Wambach, J. Yu, C. -H. Zamfir, N. V. TI One-phonon isovector 2(1,MS)(+) state in the neutron-rich nucleus Te-132 SO PHYSICAL REVIEW C LA English DT Article ID MIXED-SYMMETRY STATE; COLLECTIVE MODES; SHELL AB The 2(2)(+) state in Te-132 is identified as the one-phonon mixed-symmetry state in a projectile Coulomb excitation experiment presenting a firm example of a mixed-symmetry state in unstable, neutron-rich nuclei. The results of shell-model calculations based on the low-momentum interaction Vlow-k are in good agreement with experiment demonstrating the ability of the effective shell-model interaction to produce states of mixed-symmetry character. C1 [Danchev, M.; Rainovski, G.; Gladnishki, K. A.] Sofia Univ St Kliment Ohridski, Fac Phys, BG-1164 Sofia, Bulgaria. [Rainovski, G.; Pietralla, N.; Ponomarev, V. Yu; Scheck, M.; Wambach, J.] Tech Univ Darmstadt, Inst Kernphys, D-64289 Darmstadt, Germany. [Pietralla, N.] GSI Helmholtzzentrum Schwerionenforsch, D-64291 Darmstadt, Germany. [Gargano, A.; Covello, A.] Ist Nazl Fis Nucl, I-80126 Naples, Italy. [Covello, A.] Univ Naples Federico II, Dipartimento Sci Fis, I-80126 Naples, Italy. [Baktash, C.; Beene, J. R.; Galindo-Uribarri, A.; Gross, C. J.; Radford, D. C.; Yu, C. -H.] Oak Ridge Natl Lab, Div Phys, Oak Ridge, TN 37831 USA. [Bingham, C. R.; Riedinger, L. L.] Univ Tennessee, Dept Phys & Astron, Knoxville, TN 37996 USA. [Stuchbery, A. E.] Australian Natl Univ, Dept Nucl Phys, Canberra, ACT 0200, Australia. [Zamfir, N. V.] Yale Univ, Wright Nucl Struct Lab, New Haven, CT 06520 USA. RP Danchev, M (reprint author), Sofia Univ St Kliment Ohridski, Fac Phys, BG-1164 Sofia, Bulgaria. RI Gladnishki, Kalin/A-6462-2009; radford, David/A-3928-2015; Rainovski, Georgi/A-3450-2008; OI Rainovski, Georgi/0000-0002-1729-0249; Scheck, Marcus/0000-0002-9624-3909 FU Alexander von Humboldt Foundation; UT-Battelle, LLC [DE-AC05-00OR22725]; US Department of Energy; DFG [Pi 393/2-2, SFB 634]; German-Bulgarian exchange program [PPP 50751591]; BgNSF [DO 02-219]; HIC for FAIR; Office of Nuclear Physics, US Department of Energy [DE-FG02-96ER40983]; ARC [DP0773273] FX G.R. is supported by the Alexander von Humboldt Foundation. This manuscript has been authored by UT-Battelle, LLC, under Contract No. DE-AC05-00OR22725 with the US Department of Energy. This work was supported by the DFG (Grants No. Pi 393/2-2 and No. SFB 634), by the German-Bulgarian exchange program (Grant No. PPP 50751591), by the BgNSF (Grant No. DO 02-219), by the HIC for FAIR, by the Office of Nuclear Physics, US Department of Energy, Grant No. DE-FG02-96ER40983, and by the ARC, Grant No. DP0773273. NR 38 TC 38 Z9 38 U1 0 U2 4 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 2469-9985 EI 2469-9993 J9 PHYS REV C JI Phys. Rev. C PD DEC 27 PY 2011 VL 84 IS 6 AR 061306 DI 10.1103/PhysRevC.84.061306 PG 5 WC Physics, Nuclear SC Physics GA 867WN UT WOS:000298485600002 ER PT J AU Liddick, SN Suchyta, S Abromeit, B Ayres, A Bey, A Bingham, CR Bolla, M Carpenter, MP Cartegni, L Chiara, CJ Crawford, HL Darby, IG Grzywacz, R Gurdal, G Ilyushkin, S Larson, N Madurga, M McCutchan, EA Miller, D Padgett, S Paulauskas, SV Pereira, J Rajabali, MM Rykaczewski, K Vinnikova, S Walters, WB Zhu, S AF Liddick, S. N. Suchyta, S. Abromeit, B. Ayres, A. Bey, A. Bingham, C. R. Bolla, M. Carpenter, M. P. Cartegni, L. Chiara, C. J. Crawford, H. L. Darby, I. G. Grzywacz, R. Guerdal, G. Ilyushkin, S. Larson, N. Madurga, M. McCutchan, E. A. Miller, D. Padgett, S. Paulauskas, S. V. Pereira, J. Rajabali, M. M. Rykaczewski, K. Vinnikova, S. Walters, W. B. Zhu, S. TI Shape coexistence along N=40 SO PHYSICAL REVIEW C LA English DT Article ID ODD-ODD NUCLEI; BETA-DECAY; NEUTRON; DEFORMATION; ISLAND; NI-68; BEAMS AB The low-energy level structures of (64)(25)Mn(39) and (66)(25)Mn(41) were investigated through both the decay of Mn metastable states and the population of levels following the beta decay of (64)Cr and (66)Cr. The deduced level schemes and tentatively assigned spins and parities suggest the coexistence of spherical and deformed configurations above and below N = 40 for the odd-odd Mn isotopes. The low-energy deformed configurations are attributed to the coupling between a proton in a K = 1/2(-) level with neutrons in either the K = 1/2(-) or the K = 3/2(+) levels originating from the pi p(3/2), nu p(1/2), and nu g(9/2) single-particle states, respectively. C1 [Liddick, S. N.; Suchyta, S.; Abromeit, B.; Bolla, M.; Larson, N.; Pereira, J.; Vinnikova, S.] Michigan State Univ, Natl Superconducting Cyclotron Lab, E Lansing, MI 48824 USA. [Liddick, S. N.; Suchyta, S.; Larson, N.; Vinnikova, S.] Michigan State Univ, Dept Chem, E Lansing, MI 48824 USA. [Ayres, A.; Bey, A.; Bingham, C. R.; Cartegni, L.; Grzywacz, R.; Madurga, M.; Miller, D.; Padgett, S.; Paulauskas, S. V.] Univ Tennessee, Dept Phys & Astron, Knoxville, TN 37996 USA. [Carpenter, M. P.; Chiara, C. J.; McCutchan, E. A.; Zhu, S.] Argonne Natl Lab, Div Phys, Argonne, IL 60439 USA. [Chiara, C. J.; Walters, W. B.] Univ Maryland, Dept Chem & Biochem, College Pk, MD 20742 USA. [Crawford, H. L.] Univ Calif Berkeley, Div Nucl Sci, Berkeley, CA 94720 USA. [Darby, I. G.; Rajabali, M. M.] Katholieke Univ Leuven, Inst Kern & Stralingsfys, BE-3001 Louvain, Belgium. [Guerdal, G.] Argonne Natl Lab, Nucl Engn Div, Argonne, IL 60439 USA. [Ilyushkin, S.] Mississippi State Univ, Dept Phys & Astron, Mississippi State, MS 39762 USA. [Rykaczewski, K.] Oak Ridge Natl Lab, Div Phys, Oak Ridge, TN 37831 USA. RP Liddick, SN (reprint author), Michigan State Univ, Natl Superconducting Cyclotron Lab, E Lansing, MI 48824 USA. RI Carpenter, Michael/E-4287-2015; Miller, David/B-5372-2012; Larson, Nicole/S-5997-2016; OI Carpenter, Michael/0000-0002-3237-5734; Miller, David/0000-0002-0426-974X; Larson, Nicole/0000-0003-0292-957X; Suchyta, Scott/0000-0001-7577-4930; Bey, Anissa/0000-0002-8035-6853; Paulauskas, Stanley/0000-0002-6479-4626 FU NSF [NSF-0606007]; DOE [DE-AC02-06CH11357, DE-AC05-00OR22725, DE-FG02-94ER40834, DE-FG02-96ER40983, DE-FG02-96ER41006]; National Nuclear Security Administration under DOE [DE-FG52-08NA28552] FX This work was funded in part by the NSF under contract NSF-0606007 and DOE under Contract Nos. DE-AC02-06CH11357, DE-AC05-00OR22725, DE-FG02-94ER40834, DE-FG02-96ER40983, DE-FG02-96ER41006, and in part by the National Nuclear Security Administration under the Stewardship Science Academic Alliances program through DOE Cooperative Agreement No. DE-FG52-08NA28552. NR 34 TC 20 Z9 21 U1 0 U2 9 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 0556-2813 J9 PHYS REV C JI Phys. Rev. C PD DEC 27 PY 2011 VL 84 IS 6 AR 061305 DI 10.1103/PhysRevC.84.061305 PG 5 WC Physics, Nuclear SC Physics GA 867WN UT WOS:000298485600001 ER PT J AU Parikh, A Wimmer, K Faestermann, T Hertenberger, R Wirth, HF Chen, AA Clark, JA Deibel, CM Herlitzius, C Krucken, R Seiler, D Setoodehnia, K Straub, K Wrede, C AF Parikh, A. Wimmer, K. Faestermann, T. Hertenberger, R. Wirth, H. -F. Chen, A. A. Clark, J. A. Deibel, C. M. Herlitzius, C. Kruecken, R. Seiler, D. Setoodehnia, K. Straub, K. Wrede, C. TI Production of Al-26 in stellar hydrogen-burning environments: Spectroscopic properties of states in Si-27 SO PHYSICAL REVIEW C LA English DT Article ID THERMONUCLEAR REACTION-RATES; REACTION-RATE UNCERTAINTIES; PROTON THRESHOLD STATES; GALACTIC AL-26; MASSIVE STARS; ENERGY-LEVELS; AGB STARS; NUCLEOSYNTHESIS; EXPLOSIONS; EMISSION AB Model predictions of the amount of the radioisotope Al-26 produced in hydrogen-burning environments require reliable estimates of the thermonuclear rates for the Al-26g(p,gamma) Si-27 and Al-26m(p,gamma)Si-27 reactions. These rates depend upon the spectroscopic properties of states in Si-27 within about 1 MeV of the Al-26g + p threshold (S-p = 7463 keV). We have studied the Si-28(He-3,alpha)Si-27 reaction at 25 MeV using a high-resolution quadrupole-dipole-dipole-dipole magnetic spectrograph. For the first time with a transfer reaction, we have constrained J(pi) values for states in Si-27 over E-x = 7.0-8.1 MeV through angular distribution measurements. Aside from a few important cases, we generally confirm the energies and spin-parity assignments reported in a recent gamma-ray spectroscopy study. The magnitudes of neutron spectroscopic factors determined from shell-model calculations are in reasonable agreement with our experimental values extracted using this reaction. C1 [Parikh, A.] Univ Politecn Cataluna, Dept Fis & Engn Nucl, ES-08036 Barcelona, Spain. [Parikh, A.] Inst Estudis Espacials Catalunya, ES-08034 Barcelona, Spain. [Parikh, A.; Wimmer, K.; Faestermann, T.; Herlitzius, C.; Kruecken, R.; Seiler, D.; Straub, K.] Tech Univ Munich, Phys Dept E12, DE-85748 Garching, Germany. [Parikh, A.; Wimmer, K.; Faestermann, T.; Hertenberger, R.; Wirth, H. -F.; Herlitzius, C.; Kruecken, R.; Seiler, D.; Straub, K.] Munchner Univ MLL, Maier Leibnitz Lab, DE-85748 Garching, Germany. [Wimmer, K.] Michigan State Univ, Natl Superconducting Cyclotron Lab, E Lansing, MI 48824 USA. [Hertenberger, R.; Wirth, H. -F.] Univ Munich, Fak Phys, DE-85748 Garching, Germany. [Chen, A. A.; Setoodehnia, K.] McMaster Univ, Dept Phys & Astron, Hamilton, ON L8S 4M1, Canada. [Clark, J. A.; Deibel, C. M.] Argonne Natl Lab, Div Phys, Argonne, IL 60439 USA. [Deibel, C. M.] Michigan State Univ, Joint Inst Nucl Astrophys, E Lansing, MI 48824 USA. [Wrede, C.] Univ Washington, Dept Phys, Seattle, WA 98195 USA. RP Parikh, A (reprint author), Univ Politecn Cataluna, Dept Fis & Engn Nucl, ES-08036 Barcelona, Spain. EM anuj.r.parikh@upc.edu RI Kruecken, Reiner/A-1640-2013; OI Kruecken, Reiner/0000-0002-2755-8042; Faestermann, Thomas/0000-0002-6603-8787 FU DFG; Spanish MICINN [AYA2010-15685, EUI2009-04167]; E.U.; ESF; NSERC Canada; US Department of Energy, Office of Nuclear Physics [DE-AC02-06CH11357]; JINA [PHY0822648]; US Department of Energy [DE-FG02-97ER41020] FX It is a pleasure to thank the crew of the MLL tandem accelerator. We also appreciate comments from D.A. Hutcheon, J. Jose, A. Karakas, R. Longland, M. Lugaro, and C. Ruiz. Thanks to G. Lotay and collaborators for an advance copy of their recent article. This work was supported by the DFG Cluster of Excellence "Origin and Structure of the Universe" (www.universe-cluster.de). AP was partially supported by the Spanish MICINN under Grants No. AYA2010-15685 and No. EUI2009-04167, by the E.U. FEDER funds, and by the ESF EUROCORES Program EuroGENESIS. AAC was supported, in part, by a grant from NSERC Canada. JAC and CMD acknowledge support from the US Department of Energy, Office of Nuclear Physics, under Contract No. DE-AC02-06CH11357. CMD was also partially supported by JINA Grant No. PHY0822648. CW acknowledges support from the US Department of Energy under Contract No. DE-FG02-97ER41020. NR 56 TC 2 Z9 2 U1 0 U2 1 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 0556-2813 J9 PHYS REV C JI Phys. Rev. C PD DEC 27 PY 2011 VL 84 IS 6 AR 065808 DI 10.1103/PhysRevC.84.065808 PG 8 WC Physics, Nuclear SC Physics GA 867WN UT WOS:000298485600014 ER PT J AU Jack, RL Hedges, LO Garrahan, JP Chandler, D AF Jack, Robert L. Hedges, Lester O. Garrahan, Juan P. Chandler, David TI Preparation and Relaxation of Very Stable Glassy States of a Simulated Liquid SO PHYSICAL REVIEW LETTERS LA English DT Article ID SUPERCOOLED LIQUIDS; SPACE-TIME; TRANSITION; DYNAMICS; SYSTEMS; SADDLES; MODES; ORDER AB We prepare metastable glassy states in a model glass former made of Lennard-Jones particles by sampling biased ensembles of trajectories with low dynamical activity. These trajectories form an inactive dynamical phase whose "fast" vibrational degrees of freedom are maintained at thermal equilibrium by contact with a heat bath, while the "slow" structural degrees of freedom are located in deep valleys of the energy landscape. We examine the relaxation to equilibrium and the vibrational properties of these metastable states. The glassy states we prepare by our trajectory sampling method are very stable to thermal fluctuations and also more mechanically rigid than low-temperature equilibrated configurations. C1 [Jack, Robert L.] Univ Bath, Dept Phys, Bath BA2 7AY, Avon, England. [Hedges, Lester O.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA. [Garrahan, Juan P.] Univ Nottingham, Sch Phys & Astron, Nottingham NG7 2RD, England. [Chandler, David] Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA. RP Jack, RL (reprint author), Univ Bath, Dept Phys, Bath BA2 7AY, Avon, England. RI Jung, YounJoon/B-7353-2008; Jack, Robert/M-4096-2014; OI Garrahan, Juan/0000-0002-0185-3924 FU EPSRC [EP/I003797/1]; NSF [CHE-0624807]; DOE [DE-AC0205CH11231] FX We are grateful to N. Wilding, J. Kurchan, C. P. Royall, and F. van Wijland for discussions. This work was supported in part by EPSRC Grant no. EP/I003797/1 (to R. L. J.). In the early stages of this work L. O. H. and D. C. were supported by NSF Grant No. CHE-0624807 and in its final stages by DOE Contract No. DE-AC0205CH11231. NR 36 TC 34 Z9 34 U1 2 U2 27 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 0031-9007 EI 1079-7114 J9 PHYS REV LETT JI Phys. Rev. Lett. PD DEC 27 PY 2011 VL 107 IS 27 AR 275702 DI 10.1103/PhysRevLett.107.275702 PG 5 WC Physics, Multidisciplinary SC Physics GA 869PJ UT WOS:000298609900009 PM 22243318 ER PT J AU Li, L Alidoust, N Tranquada, JM Gu, GD Ong, NP AF Li, Lu Alidoust, N. Tranquada, J. M. Gu, G. D. Ong, N. P. TI Unusual Nernst Effect Suggesting Time-Reversal Violation in the Striped Cuprate Superconductor La2-xBaxCuO4 SO PHYSICAL REVIEW LETTERS LA English DT Article ID COPPER-OXIDE METALS; T-C SUPERCONDUCTOR; PSEUDOGAP; LIQUID; PHASE; ORDER; STATE AB The striped cuprate La2-xBaxCuO4 (x = 1/8) undergoes several transitions below the charge-ordering temperature T-co 54 K. From Nernst experiments, we find that, below T-co, there exists a large, anomalous Nernst signal e(N.even)(H, T) that is symmetric in field H, and remains finite as H -> 0. The time-reversal violating signal suggests that, below T-co, vortices of one sign are spontaneously created to relieve interlayer phase frustration. C1 [Li, Lu; Alidoust, N.; Ong, N. P.] Princeton Univ, Dept Phys, Princeton, NJ 08544 USA. [Tranquada, J. M.; Gu, G. D.] Brookhaven Natl Labs, Upton, NY 11973 USA. RP Li, L (reprint author), Univ Michigan, Dept Phys, Ann Arbor, MI 48109 USA. RI Tranquada, John/A-9832-2009; Gu, Genda/D-5410-2013 OI Tranquada, John/0000-0003-4984-8857; Gu, Genda/0000-0002-9886-3255 FU U. S. National Science Foundation [DMR 0819860]; Office of Basic Energy Sciences, U. S. Department of Energy [DE-AC02-98CH10886] FX We acknowledge valuable discussions with S. A. Kivelson, E. Fradkin, E. Berg, and A. Kapitulnik. We are indebted to Kivelson for valuable insights, and Kapitulnik for sharing unpublished Kerr results and suggestions. The research is supported at Princeton by the U. S. National Science Foundation (Grant DMR 0819860), and at BNL by the Office of Basic Energy Sciences, U. S. Department of Energy (Contract No. DE-AC02-98CH10886). NR 23 TC 13 Z9 13 U1 1 U2 24 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 0031-9007 J9 PHYS REV LETT JI Phys. Rev. Lett. PD DEC 27 PY 2011 VL 107 IS 27 AR 277001 DI 10.1103/PhysRevLett.107.277001 PG 5 WC Physics, Multidisciplinary SC Physics GA 869PJ UT WOS:000298609900011 PM 22243323 ER PT J AU Tao, J Niebieskikwiat, D Jie, Q Schofield, MA Wu, LJ Li, Q Zhu, YM AF Tao, Jing Niebieskikwiat, Dario Jie, Qing Schofield, Marvin A. Wu, Lijun Li, Qiang Zhu, Yimei TI Role of structurally and magnetically modified nanoclusters in colossal magnetoresistance SO PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA LA English DT Article DE nanoscale inhomogeneities; superlattice ID PHASE-SEPARATION; DOPED MANGANITES; LA1-XCA(X)MNO3; LA0.5CA0.5MNO3; TEMPERATURE; SPIN AB It is generally accepted that electronic and magnetic phase separation is the origin of many of exotic properties of strongly correlated electron materials, such as colossal magnetoresistance (CMR), an unusually large variation in the electrical resistivity under applied magnetic field. In the simplest picture, the two competing phases are those associated with the material state on either side of the phase transition. Those phases would be paramagnetic insulator and ferromagnetic metal for the CMR effect in doped manganites. It has been speculated that a critical component of the CMR phenomenon is nanoclusters with quite different properties than either of the terminal phases during the transition. However, the role of these nanoclusters in the CMR effect remains elusive because the physical properties of the nanoclusters are hard to measure when embedded in bulk materials. Here we show the unexpected behavior of the nanoclusters in the CMR compound La(1-x)Ca(x)MnO(3) (0.4 <= x < 0.5) by directly correlating transmission electron microscopy observations with bulk measurements. The structurally modified nanoclusters at the CMR temperature were found to be ferromagnetic and exhibit much higher electrical conductivity than previously proposed. Only at temperatures much below the CMR transition, the nanoclusters are antiferromagnetic and insulating. These findings substantially alter the current understanding of these nanoclusters on the material's functionality and would shed light on the microscopic study on the competing spin-lattice-charge orders in strongly correlated systems. C1 [Tao, Jing; Jie, Qing; Schofield, Marvin A.; Wu, Lijun; Li, Qiang; Zhu, Yimei] Brookhaven Natl Lab, Condensed Matter Phys & Mat Sci Dept, Upton, NY 11973 USA. [Niebieskikwiat, Dario] Univ San Francisco Quito, Colegio Ciencias & Ingn, EC-170157 Quito, Ecuador. RP Tao, J (reprint author), Brookhaven Natl Lab, Condensed Matter Phys & Mat Sci Dept, Upton, NY 11973 USA. EM jtao@bnl.gov RI Jie, Qing/H-3780-2011; Jie, Qing/N-8673-2013 FU US Department of Energy (DOE)/Basic Energy Sciences, Materials Sciences and Engineering Division [DE-AC02-98CH10886]; US DOE [DE-FG02-07ER46453, DE-FG02-07ER46471] FX We thank Prof. J. M. Zuo, Dr. S. J. Pennycook, Prof. M. B. Salamon, Dr. F. Ye, Dr. N. D. Mathur, and Prof. Rongying Jin for their discussion of the work. Research at Brookhaven National Laboratory was sponsored by the US Department of Energy (DOE)/Basic Energy Sciences, Materials Sciences and Engineering Division under Contract DE-AC02-98CH10886. Scanning electron nanodiffraction experiments were carried out at the Center for Microanalysis of Materials, the Frederick Seitz Materials Research Laboratory Central Facilities, University of Illinois, which are partially supported by the US DOE under Grants DE-FG02-07ER46453 and DE-FG02-07ER46471. NR 37 TC 10 Z9 10 U1 0 U2 21 PU NATL ACAD SCIENCES PI WASHINGTON PA 2101 CONSTITUTION AVE NW, WASHINGTON, DC 20418 USA SN 0027-8424 J9 P NATL ACAD SCI USA JI Proc. Natl. Acad. Sci. U. S. A. PD DEC 27 PY 2011 VL 108 IS 52 BP 20941 EP 20946 DI 10.1073/pnas.1107762108 PG 6 WC Multidisciplinary Sciences SC Science & Technology - Other Topics GA 867UI UT WOS:000298479900022 PM 22160678 ER PT J AU Martins, RAP Davis, D Kerekes, R Zhang, JK Bayazitov, IT Hiler, D Karakaya, M Frase, S Gleason, S Zakharenko, SS Johnson, DA Dyer, MA AF Martins, Rodrigo A. P. Davis, Denise Kerekes, Ryan Zhang, Jiakun Bayazitov, Ildar T. Hiler, Daniel Karakaya, Mahmut Frase, Sharon Gleason, Shaun Zakharenko, Stanislav S. Johnson, Dianna A. Dyer, Michael A. TI Retinoblastoma (Rb) regulates laminar dendritic arbor reorganization in retinal horizontal neurons SO PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA LA English DT Article DE retina; synaptogenesis ID OUTER PLEXIFORM LAYER; MAMMALIAN RETINA; ECTOPIC SYNAPTOGENESIS; BIPOLAR CELLS; MOUSE RETINA; TRANSGENIC MOUSE; ABNORMALITIES; MATURATION; MUTATION; RODS AB Neuronal differentiation with respect to the acquisition of synaptic competence needs to be regulated precisely during neurogenesis to ensure proper formation of circuits at the right place and time in development. This regulation is particularly important for synaptic triads among photoreceptors, horizontal cells (HCs), and bipolar cells in the retina, because HCs are among the first cell types produced during development, and bipolar cells are among the last. HCs undergo a dramatic transition from vertically oriented neurites that form columnar arbors to overlapping laminar dendritic arbors with differentiation. However, how this process is regulated and coordinated with differentiation of photoreceptors and bipolar cells remains unknown. Previous studies have suggested that the retinoblastoma (Rb) tumor suppressor gene may play a role in horizontal cell differentiation and synaptogenesis. By combining genetic mosaic analysis of individual synaptic triads with neuroanatomic analyses and multiphoton live imaging of developing HCs, we found that Rb plays a cell-autonomous role in the reorganization of horizontal cell neurites as they differentiate. Aberrant vertical processes in Rb-deficient HCs form ectopic synapses with rods in the outer nuclear layer but lack bipolar dendrites. Although previous reports indicate that photoreceptor abnormalities can trigger formation of ectopic synapses, our studies now demonstrate that defects in a postsynaptic partner contribute to the formation of ectopic photoreceptor synapses in the mammalian retina. C1 [Martins, Rodrigo A. P.; Davis, Denise; Zhang, Jiakun; Bayazitov, Ildar T.; Hiler, Daniel; Zakharenko, Stanislav S.; Dyer, Michael A.] St Jude Childrens Hosp, Dept Dev Neurobiol, Memphis, TN 38105 USA. [Martins, Rodrigo A. P.] Univ Fed Rio de Janeiro, Ctr Ciencias Saude, Inst Biofis Carlos Chagas Filho, BR-21941900 Rio De Janeiro, Brazil. [Kerekes, Ryan; Gleason, Shaun] Oak Ridge Natl Lab, Measurement Sci & Syst Engn Div, Oak Ridge, TN 37831 USA. [Karakaya, Mahmut] Univ Tennessee, Dept Elect Engn & Comp Sci, Knoxville, TN 37996 USA. [Johnson, Dianna A.; Dyer, Michael A.] Univ Tennessee, Hlth Sci Ctr, Dept Ophthalmol, Memphis, TN 38163 USA. [Dyer, Michael A.] Howard Hughes Med Inst, Chevy Chase, MD 20815 USA. RP Dyer, MA (reprint author), St Jude Childrens Hosp, Dept Dev Neurobiol, 332 N Lauderdale St, Memphis, TN 38105 USA. EM michael.dyer@stjude.org RI Zakharenko, Stanislav/D-3287-2013; Karakaya, Mahmut/C-7155-2017; OI Zakharenko, Stanislav/0000-0001-8115-202X; Martins, Rodrigo/0000-0002-8420-6991 FU National Cancer Institute [CA21765]; National Institutes of Health [EY014867, EY018599, 1R03TW008344-01]; American Cancer Society; Research to Prevent Blindness Foundation; American Lebanese Syrian Associated Charities FX We thank Marina Kedrov for assistance with image processing and scoring and Vani Shanker for editing the manuscript. This work was supported in part by Cancer Center Support Grant CA21765 from the National Cancer Institute; by Grants EY014867 and EY018599 from the National Institutes of Health (to M.A.D.); by Fogarty International Research Collaboration Award/National Institutes of Health 1R03TW008344-01 (to M.A.D. and R.A.P.M.); by the American Cancer Society; by the Research to Prevent Blindness Foundation; and by the American Lebanese Syrian Associated Charities. M.A.D. is a Howard Hughes Medical Institute Early Career Scientist. NR 27 TC 2 Z9 2 U1 1 U2 1 PU NATL ACAD SCIENCES PI WASHINGTON PA 2101 CONSTITUTION AVE NW, WASHINGTON, DC 20418 USA SN 0027-8424 J9 P NATL ACAD SCI USA JI Proc. Natl. Acad. Sci. U. S. A. PD DEC 27 PY 2011 VL 108 IS 52 BP 21111 EP 21116 DI 10.1073/pnas.1108141108 PG 6 WC Multidisciplinary Sciences SC Science & Technology - Other Topics GA 867UI UT WOS:000298479900051 PM 22160703 ER PT J AU Chen, X Zhou, HD Kiswandhi, A Miotkowski, I Chen, YP Sharma, PA Sharma, ALL Hekmaty, MA Smirnov, D Jiang, Z AF Chen, X. Zhou, H. D. Kiswandhi, A. Miotkowski, I. Chen, Y. P. Sharma, P. A. Sharma, A. L. Lima Hekmaty, M. A. Smirnov, D. Jiang, Z. TI Thermal expansion coefficients of Bi2Se3 and Sb2Te3 crystals from 10 K to 270 K SO APPLIED PHYSICS LETTERS LA English DT Article ID TOPOLOGICAL INSULATORS; BISMUTH TELLURIDE; BI2TE3 AB Lattice constant of Bi2Se3 and Sb2Te3 crystals is determined by x-ray powder diffraction measurement in a wide temperature range. Linear thermal expansion coefficients (alpha) of the crystals are extracted, and considerable anisotropy between alpha(parallel to) and alpha(perpendicular to) is observed. The low temperature values of alpha can be fit well by the Debye model, while an anomalous behavior at above 150 K is evidenced and explained. Gruneisen parameters of the materials are also estimated at room temperature. (C) 2011 American Institute of Physics. [doi:10.1063/1.3672198] C1 [Chen, X.; Jiang, Z.] Georgia Inst Technol, Sch Phys, Atlanta, GA 30332 USA. [Zhou, H. D.; Kiswandhi, A.; Smirnov, D.] Natl High Magnet Field Lab, Tallahassee, FL 32310 USA. [Miotkowski, I.; Chen, Y. P.] Purdue Univ, Dept Phys, W Lafayette, IN 47907 USA. [Sharma, P. A.; Sharma, A. L. Lima] Sandia Natl Labs, Albuquerque, NM 87185 USA. [Hekmaty, M. A.] Sandia Natl Labs, Livermore, CA 94550 USA. RP Chen, X (reprint author), Georgia Inst Technol, Sch Phys, Atlanta, GA 30332 USA. EM xcchen@gatech.edu; zhigang.jiang@physics.gatech.edu RI Sharma, Peter/G-1917-2011; Chen, Yong/K-7017-2012; Zhou, Haidong/O-4373-2016 OI Sharma, Peter/0000-0002-3071-7382; Chen, Yong/0000-0002-7356-4179; FU DOE [DE-FG02-07ER46451]; NSF [DMR-0654118]; State of Florida FX We would like to thank S. Zhou for helping with the chemical structure in Fig. 1(a). This work is supported by the DOE (DE-FG02-07ER46451). The XRD measurement was performed at the National High Magnetic Field Laboratory, which is supported by NSF Cooperative Agreement No. DMR-0654118, by the State of Florida, and by the DOE. NR 18 TC 29 Z9 29 U1 2 U2 37 PU AMER INST PHYSICS PI MELVILLE PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1, MELVILLE, NY 11747-4501 USA SN 0003-6951 J9 APPL PHYS LETT JI Appl. Phys. Lett. PD DEC 26 PY 2011 VL 99 IS 26 AR 261912 DI 10.1063/1.3672198 PG 3 WC Physics, Applied SC Physics GA 869ZI UT WOS:000298638500028 ER PT J AU Desautels, RD Skoropata, E Chen, YY Ouyang, H Freeland, JW van Lierop, J AF Desautels, R. D. Skoropata, E. Chen, Y. -Y. Ouyang, H. Freeland, J. W. van Lierop, J. TI Tuning the surface magnetism of gamma-Fe2O3 nanoparticles with a Cu shell SO APPLIED PHYSICS LETTERS LA English DT Article ID X-RAY-ABSORPTION; ELECTRONIC-STRUCTURE; TRANSITION; SPECTRA; OXIDES AB An interfacial monolayer of CuO in Cu-coated gamma-Fe2O3 nanoparticles enables significantly decreased intrinsic surface spin disorder compared to bare gamma-Fe2O3 nanoparticles. Element specific x-ray absorption spectroscopy at the L-edges for Cu and Fe indicates that the magnetic moment of the CuO in the shell interacts with the gamma-Fe2O3 nanoparticle's surface magnetic moments. This exchange interaction cants the moments of the CuO resulting in a non-zero Cu moment, altering the gamma-Fe2O3 nanomagnetism. (C) 2011 American Institute of Physics. [doi:10.1063/1.3671989] C1 [Desautels, R. D.; Skoropata, E.; van Lierop, J.] Univ Manitoba, Winnipeg, MB R3T 2N2, Canada. [Chen, Y. -Y.; Ouyang, H.] Natl Tsing Hua Univ, Hsinchu 300, Taiwan. [Freeland, J. W.] Argonne Natl Lab, Adv Photon Source, Argonne, IL 60439 USA. RP Desautels, RD (reprint author), Univ Manitoba, Winnipeg, MB R3T 2N2, Canada. EM johan@physics.umanitoba.ca OI Desautels, Ryan/0000-0001-5359-3565 FU NSERC; CFI; NSCT; U.S. DOE [DE-AC02-06CH11357] FX This work was supported by grants from the NSERC, CFI, and NSCT. Use of the APS at ANL was supported by the U.S. DOE under Contract No. DE-AC02-06CH11357. We would like to thank Dr. Lo (Industrial Technology Research Institute, Taiwan) for his assistance with the TEM measurements. NR 25 TC 8 Z9 8 U1 1 U2 14 PU AMER INST PHYSICS PI MELVILLE PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1, MELVILLE, NY 11747-4501 USA SN 0003-6951 J9 APPL PHYS LETT JI Appl. Phys. Lett. PD DEC 26 PY 2011 VL 99 IS 26 AR 262501 DI 10.1063/1.3671989 PG 4 WC Physics, Applied SC Physics GA 869ZI UT WOS:000298638500037 ER PT J AU Gu, M Dearden, CR Song, CY Browning, ND Takamura, Y AF Gu, Meng Dearden, Craig R. Song, Chengyu Browning, Nigel D. Takamura, Yayoi TI Structural variability in La0.5Sr0.5TiO3 +/-delta thin films SO APPLIED PHYSICS LETTERS LA English DT Article ID PULSED-LASER DEPOSITION; OXYGEN; INSULATOR; PRESSURE; GROWTH; LATIOX AB La0.5Sr0.5TiO3 +/-delta films were grown by pulsed laser deposition and characterized using aberration-corrected scanning transmission electron microscopy. Single-phase films with low resistivity and a near Ti3+ valence state were stabilized by a large concentration of oxygen vacancies under reducing conductions. In contrast, single-phase films transformed into "superlattices" upon exposure to an oxygen rich environment through the formation of stacking faults and cation vacancies in order to reach the stable Ti4+ valence state. The resistivity of the superlattices exceeded that of single phase films by two orders of magnitude, indicating that the observed structural order had a significant effect on the overall film properties. (C) 2011 American Institute of Physics. [doi: 10.1063/1.3672217] C1 [Gu, Meng; Dearden, Craig R.; Browning, Nigel D.; Takamura, Yayoi] Univ Calif Davis, Dept Chem Engn & Mat Sci, Davis, CA 95616 USA. [Song, Chengyu] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Natl Ctr Electron Microscopy, Berkeley, CA 94720 USA. [Browning, Nigel D.] Univ Calif Davis, Dept Mol & Cellular Biol, Davis, CA 95616 USA. RP Takamura, Y (reprint author), Univ Calif Davis, Dept Chem Engn & Mat Sci, 1 Shields Ave, Davis, CA 95616 USA. EM ytakamura@ucdavis.edu RI Gu, Meng/B-8258-2013 FU National Science Foundation [DMR-747896]; Office of Science, Office of Basic Energy Sciences of the U.S. Department of Energy (DOE) [DE-FG0203ER46057, DE-AC02-05CH11231] FX The authors would like to thank Peter Klavins for his help with the resistivity measurement. The work at UC Davis was supported by the National Science Foundation (DMR-747896) and by the Office of Science, Office of Basic Energy Sciences of the U.S. Department of Energy (DOE) (Contract No. DE-FG0203ER46057). NCEM is supported by the Office of Science, Office of Basic Energy Sciences of the U.S. DOE under Contract No. DE-AC02-05CH11231. NR 16 TC 8 Z9 8 U1 4 U2 16 PU AMER INST PHYSICS PI MELVILLE PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1, MELVILLE, NY 11747-4501 USA SN 0003-6951 J9 APPL PHYS LETT JI Appl. Phys. Lett. PD DEC 26 PY 2011 VL 99 IS 26 AR 261907 DI 10.1063/1.3672217 PG 3 WC Physics, Applied SC Physics GA 869ZI UT WOS:000298638500023 ER PT J AU Kaspar, TC Droubay, T Jaffe, JE AF Kaspar, T. C. Droubay, T. Jaffe, J. E. TI ZnO/Sn:In2O3 and ZnO/CdTe band offsets for extremely thin absorber photovoltaics SO APPLIED PHYSICS LETTERS LA English DT Article DE cadmium compounds; conduction bands; density functional theory; II-VI semiconductors; indium compounds; semiconductor thin films; tin; wide band gap semiconductors; X-ray photoelectron spectra; zinc compounds ID TOTAL-ENERGY CALCULATIONS; ETA-SOLAR CELL; WAVE BASIS-SET; BUFFER LAYERS; ZNO FILMS; GROWTH; ZINCBLENDE; SUBSTRATE AB Band alignments were measured by x-ray photoelectron spectroscopy for thin films of ZnO on polycrystalline Sn:In2O3 (ITO) and single crystal CdTe. Hybrid density functional theory calculations of epitaxial zinc blende ZnO(001) on CdTe(001) were performed to compare with experiment. A conduction band (CB) offset of -0.6 eV was measured for ZnO/ITO, which is larger than desired for efficient electron injection. For ZnO/CdTe, the experimental conduction band offset of 0.25 eV is smaller than the calculated value of 0.67 eV, possibly due to the TeOx layer at the ZnO/CdTe interface. The measured conduction band offset for ZnO/CdTe is favorable for photovoltaic devices. (C) 2011 American Institute of Physics. [doi: 10.1063/1.3672218] C1 [Kaspar, T. C.; Droubay, T.; Jaffe, J. E.] Pacific NW Natl Lab, Fundamental & Computat Sci Directorate, Richland, WA 99352 USA. RP Kaspar, TC (reprint author), Pacific NW Natl Lab, Fundamental & Computat Sci Directorate, Richland, WA 99352 USA. EM tiffany.kaspar@pnnl.gov RI Droubay, Tim/D-5395-2016 OI Droubay, Tim/0000-0002-8821-0322 FU U.S. Department of Energy's Office of Biological and Environmental Research at the Pacific Northwest National Laboratory; PNNL FX A portion of this research was performed using EMSL, a national scientific user facility sponsored by the U.S. Department of Energy's Office of Biological and Environmental Research and located at the Pacific Northwest National Laboratory. This research was supported by the Laboratory Directed Research and Development Program at PNNL. NR 26 TC 8 Z9 8 U1 2 U2 38 PU AMER INST PHYSICS PI MELVILLE PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1, MELVILLE, NY 11747-4501 USA SN 0003-6951 J9 APPL PHYS LETT JI Appl. Phys. Lett. PD DEC 26 PY 2011 VL 99 IS 26 AR 263504 DI 10.1063/1.3672218 PG 3 WC Physics, Applied SC Physics GA 869ZI UT WOS:000298638500064 ER PT J AU Limpijumnong, S Jutimoosik, J Palakawong, N Klysubun, W Nukeaw, J Du, MH Rujirawat, S AF Limpijumnong, Sukit Jutimoosik, Jaru Palakawong, Nirawith Klysubun, Wantana Nukeaw, Jiti Du, Mao-Hua Rujirawat, Saroj TI Determination of miscibility in MgO-ZnO nanocrystal alloys by x-ray absorption spectroscopy SO APPLIED PHYSICS LETTERS LA English DT Article ID THIN-FILMS; BAND-GAP; MGXZN1-XO AB The local structure of MgxZn1-xO nanocrystals is studied using synchrotron x-ray absorption near edge structures (XANES) over the full range of composition, from x = 0 to 1. Mg and Zn K-edges XANES measurements allow us to selectively study the local environments around Mg and Zn atoms in these nanocrystalline samples. Our results indicate that, for MgO-ZnO alloys, Zn is highly miscible in the rocksalt domain (i.e., up to similar to 50 at. %) while the miscibility of Mg in the wurtzite domain is much less but is still substantial (i.e., up to similar to 20 at. %). The simulated XANES spectra, based on first principles methods, are consistent with the observed spectra, confirming our finding. Because it is short-ranged and element-specific, the technique is useful for local structure and crystal phase determination of nanostructures, quantum dots, and mixed-phase alloys in general. (C) 2011 American Institute of Physics. [doi: 10.1063/1.3671987] C1 [Limpijumnong, Sukit; Jutimoosik, Jaru; Palakawong, Nirawith; Rujirawat, Saroj] Suranaree Univ Technol, Sch Phys, Nakhon Ratchasima 30000, Thailand. [Limpijumnong, Sukit; Jutimoosik, Jaru; Palakawong, Nirawith; Klysubun, Wantana; Rujirawat, Saroj] Synchrotron Light Res Inst, Nakhon Ratchasima 30000, Thailand. [Limpijumnong, Sukit; Du, Mao-Hua] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA. [Klysubun, Wantana; Nukeaw, Jiti; Rujirawat, Saroj] Thailand Ctr Excellence Phys ThEP Ctr, Commiss Higher Educ, Bangkok 10400, Thailand. [Nukeaw, Jiti] King Mongkuts Inst Technol Ladkrabang, Coll KMITL Nanotechnol, Bangkok 10520, Thailand. RP Rujirawat, S (reprint author), Suranaree Univ Technol, Sch Phys, Nakhon Ratchasima 30000, Thailand. EM saroj@sut.ac.th RI Du, Mao-Hua/B-2108-2010 OI Du, Mao-Hua/0000-0001-8796-167X FU NANOTEC [NN-B-22-DI2-20-51-09]; U.S. Department of Energy, Division of Materials Sciences and Engineering; Royal Golden Jubilee Ph.D. Program [PHD/0180/2552] FX We thank M. F. Smith for proofreading the manuscript. This work is supported by NANOTEC (NN-B-22-DI2-20-51-09) and U.S. Department of Energy, Division of Materials Sciences and Engineering. One of the authors (N.P.) acknowledges the scholarship from the Royal Golden Jubilee Ph.D. Program (Grant No. PHD/0180/2552). NR 35 TC 17 Z9 17 U1 2 U2 30 PU AMER INST PHYSICS PI MELVILLE PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1, MELVILLE, NY 11747-4501 USA SN 0003-6951 J9 APPL PHYS LETT JI Appl. Phys. Lett. PD DEC 26 PY 2011 VL 99 IS 26 AR 261901 DI 10.1063/1.3671987 PG 4 WC Physics, Applied SC Physics GA 869ZI UT WOS:000298638500017 ER PT J AU Wu, YL Chen, GD Wei, SH Al-Jassim, MM Yan, YF AF Wu, Yelong Chen, Guangde Wei, Su-Huai Al-Jassim, Mowafak M. Yan, Yanfa TI Origin of charge separation in III-nitride nanowires under strain SO APPLIED PHYSICS LETTERS LA English DT Article ID TOTAL-ENERGY CALCULATIONS; WAVE BASIS-SET; SILICON NANOWIRES; SEMICONDUCTORS; CORE; BLUE; GAN AB The structural and electronic properties of BN, AlN, and GaN nanowires (NWs) under different strain condition are investigated using first-principles calculations. We found an anomaly of band gap change with respect to the applied external uniaxial strain. We show that this is due to the band crossing caused by the crystal field splitting at the top of the valance band. Due to the difference of the atomic relaxation at the core and surface regions of the NW, we show that electron and hole separation can be achieved when the compressive uniaxial strain exceeds the critical value vertical bar epsilon(c)vertical bar. (C) 2011 American Institute of Physics. [doi:10.1063/1.3673323] C1 [Wu, Yelong; Chen, Guangde] Xi An Jiao Tong Univ, MOE Key Lab Nonequilibrium Synth & Modulat Conden, Xian 710049, Shaanxi, Peoples R China. [Wu, Yelong; Wei, Su-Huai; Al-Jassim, Mowafak M.] Natl Renewable Energy Lab, Golden, CO 80401 USA. [Wu, Yelong] Univ Colorado, Renewable & Sustainable Energy Inst, Boulder, CO 80309 USA. [Yan, Yanfa] Univ Toledo, Dept Phys & Astron, Toledo, OH 43606 USA. RP Wu, YL (reprint author), Xi An Jiao Tong Univ, MOE Key Lab Nonequilibrium Synth & Modulat Conden, Xian 710049, Shaanxi, Peoples R China. EM yelong.wu@stu.xjtu.edu.cn RI Wu, Yelong/G-1100-2010; zhiqiang, liu/B-9584-2012; Chen, Guangde/D-4373-2011; chen, guangde/I-4260-2014 OI Wu, Yelong/0000-0002-4211-911X; FU China National Natural Science Fund [11074200, 61176079]; Ohio Research Scholar Program (ORSP); U.S. Department of Energy [DE-AC36-08GO28308] FX Y. Wu and G. Chen gratefully acknowledge the financial support of the China National Natural Science Fund (Grant Nos. 11074200 and 61176079). Y. Yan acknowledges the support from the Ohio Research Scholar Program (ORSP). The work at NREL is supported by the U.S. Department of Energy under Grant No. DE-AC36-08GO28308. NR 24 TC 3 Z9 3 U1 0 U2 24 PU AMER INST PHYSICS PI MELVILLE PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1, MELVILLE, NY 11747-4501 USA SN 0003-6951 EI 1077-3118 J9 APPL PHYS LETT JI Appl. Phys. Lett. PD DEC 26 PY 2011 VL 99 IS 26 AR 262103 DI 10.1063/1.3673323 PG 3 WC Physics, Applied SC Physics GA 869ZI UT WOS:000298638500033 ER PT J AU Unocic, KA Parish, CM Pint, BA AF Unocic, K. A. Parish, C. M. Pint, B. A. TI Characterization of the alumina scale formed on coated and uncoated doped superalloys SO SURFACE & COATINGS TECHNOLOGY LA English DT Article DE Superalloy MCrAlY; Bond coat; HVOF; Alumina; Segregation ID FORMING ALLOYS; OXIDATION PERFORMANCE; REACTIVE ELEMENTS; SEGREGATION; ADHESION; SULFUR; ADHERENCE; LANTHANUM; ADDITIONS AB To investigate the mechanisms by which Y and La dopants affect the oxidation behavior of Ni-base single-crystal superalloys, the oxide scales formed on two variants of a commercial X4 alloy, each with and without a MCrAlYHfSi coating were characterized. The alloy systems were oxidized for 100 h at 1100 degrees C and then examined using analytical transmission electron microscopy. Without a coating, a duplex scale was formed on the superalloy surface comprised of an outer Ni-rich spinel-type layer and an inner columnar alpha-Al(2)O(3) layer. In this case, Hf and Ti were found segregated to the alumina grain boundaries in the outer part of the scale on both alloys but only Hf was detected near the metal-alumina interface. There was no evidence of Ta. Y or La segregation to the alumina scale grain boundaries after this exposure. The scale formed on the alloys with the thermally sprayed coating was primarily alumina, and Y and Hf segregated to the alumina grain boundaries for both alloys. There was evidence of Ti-rich oxides in the outer part of the scale indicating that Ti had diffused through the coating into the thermally grown oxide but La was not found. Published by Elsevier B.V. C1 [Unocic, K. A.; Parish, C. M.; Pint, B. A.] Oak Ridge Natl Lab, Mat Sci & Technol Div, Oak Ridge, TN 37831 USA. RP Unocic, KA (reprint author), Oak Ridge Natl Lab, Mat Sci & Technol Div, Oak Ridge, TN 37831 USA. EM unocicka@ornl.gov RI Pint, Bruce/A-8435-2008; Parish, Chad/J-8381-2013 OI Pint, Bruce/0000-0002-9165-3335; FU U.S. Department of Energy, Office of Coal and Power R&D, Office of Fossil Energy; Scientific User Facilities Division, Office of Basic Energy Sciences; U.S. Department of Energy FX The coatings were deposited at Stonybrook Univ. with assistance from Prof. C. Weyant. At ORNL, H. Longmire, M. Howell, T. Lowe, D. Coffey, R.A. Meisner and L Walker assisted with the experimental work. Authors also thank L.F. Allard Jr. and S. Dryepondt for providing useful comments and discussions. The authors are grateful to J. Caola, C. Henry and L Fu, of FEI, Hillsboro, OR for the use of the Tecnai Osiris TEM/STEM. This research was sponsored by the U.S. Department of Energy, Office of Coal and Power R&D, Office of Fossil Energy, (R. Dennis program manager), and the SHaRE User Facility, sponsored by the Scientific User Facilities Division, Office of Basic Energy Sciences, and the U.S. Department of Energy. NR 24 TC 14 Z9 14 U1 2 U2 32 PU ELSEVIER SCIENCE SA PI LAUSANNE PA PO BOX 564, 1001 LAUSANNE, SWITZERLAND SN 0257-8972 J9 SURF COAT TECH JI Surf. Coat. Technol. PD DEC 25 PY 2011 VL 206 IS 7 BP 1522 EP 1528 DI 10.1016/j.surfcoat.2011.07.044 PG 7 WC Materials Science, Coatings & Films; Physics, Applied SC Materials Science; Physics GA 871BB UT WOS:000298711500003 ER PT J AU Pint, BA Garner, GW Lowe, TM Haynes, JA Zhang, Y AF Pint, B. A. Garner, G. W. Lowe, T. M. Haynes, J. A. Zhang, Y. TI Effect of increased water vapor levels on TBC lifetime with Pt-containing bond coatings SO SURFACE & COATINGS TECHNOLOGY LA English DT Article DE Thermal barrier coating; Pt diffusion coating; Pt aluminide coating; Water vapor; High temperature oxidation ID HIGH-TEMPERATURE OXIDATION; THERMAL BARRIER COATINGS; SUBSTRATE COMPOSITION; CYCLIC OXIDATION; BEHAVIOR; SYSTEMS; ALLOYS; SCALE; AL; ATMOSPHERES AB To investigate the effect of increased water vapor levels on thermal barrier coating (TBC) lifetime, furnace cycle tests were performed at 1150 degrees C in air with 10 vol.% water vapor (similar to natural gas combustion) and 90 vol.%. Either Pt diffusion or Pt-modified aluminide bond coatings were applied to specimens from the same batch of a commercial second-generation single-crystal superalloy and commercial vapor-deposited yttria-stabilized zirconia (YSZ) top coats were applied. Three coatings of each type were furnace cycled to failure to compare the average lifetimes obtained in dry O(2), using the same superalloy batch and coating types. Average lifetimes with Pt diffusion coatings were unaffected by the addition of water vapor. In contrast, the average lifetime of Pt-modified aluminide coatings was reduced by more than 50% with 10% water vapor but only slightly reduced by 90% water vapor. Based on roughness measurements from similar specimens without a YSZ coating, the addition of 10% water vapor increased the rate of coating roughening more than 90% water vapor. Qualitatively, the amount of beta-phase depletion in the coatings exposed in 10% water vapor did not appear to be accelerated. (C) 2011 Elsevier B.V. All rights reserved. C1 [Pint, B. A.; Garner, G. W.; Lowe, T. M.; Haynes, J. A.] Oak Ridge Natl Lab, Div Mat Sci & Technol, Oak Ridge, TN 37831 USA. [Zhang, Y.] Tennessee Technol Univ, Cookeville, TN 38505 USA. RP Pint, BA (reprint author), Oak Ridge Natl Lab, Div Mat Sci & Technol, Oak Ridge, TN 37831 USA. EM pintba@ornl.gov RI Pint, Bruce/A-8435-2008 OI Pint, Bruce/0000-0002-9165-3335 FU U.S. Department of Energy, Office of Coal and Power R&D, Office of Fossil Energy; National Science Foundation [0504566] FX The authors would like to thank K. M. Cooley and H. Longmire for assistance with the experimental work. B. Nagaraj at General Electric Aircraft Engines coated the specimens with EB-PVD YSZ. P. F. Tortorelli provided helpful comments on the manuscript. This research was sponsored by the U.S. Department of Energy, Office of Coal and Power R&D, Office of Fossil Energy (R. Dennis program manager). Part of the research was funded by the National Science Foundation-GOALI program under grant no. 0504566 with Tennessee Tech. University. NR 29 TC 20 Z9 20 U1 2 U2 19 PU ELSEVIER SCIENCE SA PI LAUSANNE PA PO BOX 564, 1001 LAUSANNE, SWITZERLAND SN 0257-8972 J9 SURF COAT TECH JI Surf. Coat. Technol. PD DEC 25 PY 2011 VL 206 IS 7 BP 1566 EP 1570 DI 10.1016/j.surfcoat.2011.06.008 PG 5 WC Materials Science, Coatings & Films; Physics, Applied SC Materials Science; Physics GA 871BB UT WOS:000298711500009 ER PT J AU Pint, BA Bestor, MA Haynes, JA AF Pint, B. A. Bestor, M. A. Haynes, J. A. TI Cyclic oxidation behavior of HVOF bond coatings deposited on La- and Y-doped superalloys SO SURFACE & COATINGS TECHNOLOGY LA English DT Article DE MCrAlY coating; Superalloy; Reactive element additions; High temperature oxidation ID MCRALY COATINGS; SCALE ADHESION; IMPROVEMENT; BARRIER AB One suggested strategy for improving the performance of thermal barrier coating (TBC) systems used to protect hot section components in gas turbines is the addition of low levels of dopants to the Ni-base superalloy substrate. To quantify the benefit of these dopants, the oxidation behavior of three commercial superalloys with different Y and La contents was evaluated with and without a NiCoCrAlYHfSi bond coating deposited by high velocity oxygen fuel (HVOF) spraying. Cyclic oxidation experiments were conducted in dry O(2) at 1050 degrees, 1100 degrees and 1150 degrees C. At the highest temperature, the bare superalloy without La showed more attack due to its lower Al content but no difference in oxidation rate or scale adhesion was noted at lower temperatures. With a bond coating, the alumina scale was non-uniform in thickness and spalled at each temperature. Among the three coated superalloys, no clear difference in oxide growth rate or scale adhesion was observed. Evaluations with a YSZ top coat and a bond coating without Hf are needed to better determine the effect of superalloy dopants on high temperature oxidation performance. (C) 2011 Elsevier B.V. All rights reserved. C1 [Pint, B. A.; Bestor, M. A.; Haynes, J. A.] Oak Ridge Natl Lab, Div Mat Sci & Technol, Oak Ridge, TN USA. RP Pint, BA (reprint author), 1 Bethel Valley Rd,MS 6156, Oak Ridge, TN 37821 USA. EM pintba@ornl.gov RI Pint, Bruce/A-8435-2008 OI Pint, Bruce/0000-0002-9165-3335 FU U.S. Department of Energy, Office of Coal and Power R&D, Office of Fossil Energy FX The authors would like to thank G. W. Garner, M. Stephens, T. M. Lowe, R. Parten and H. Longmire for assistance with the experimental work. K. Murphy at Howmet Corp. generously provided the superalloys and the detailed compositions. The HVOF coatings were fabricated by Stonybrook Univ. S. Dryepondt provided helpful comments on the manuscript. This research was sponsored by the U.S. Department of Energy, Office of Coal and Power R&D, Office of Fossil Energy, (R. Dennis program manager). NR 21 TC 7 Z9 8 U1 4 U2 24 PU ELSEVIER SCIENCE SA PI LAUSANNE PA PO BOX 564, 1001 LAUSANNE, SWITZERLAND SN 0257-8972 J9 SURF COAT TECH JI Surf. Coat. Technol. PD DEC 25 PY 2011 VL 206 IS 7 BP 1600 EP 1604 DI 10.1016/j.surfcoat.2011.06.044 PG 5 WC Materials Science, Coatings & Films; Physics, Applied SC Materials Science; Physics GA 871BB UT WOS:000298711500014 ER PT J AU Kartal, G Timur, S Sista, V Eryilmaz, OL Erdemir, A AF Kartal, G. Timur, S. Sista, V. Eryilmaz, O. L. Erdemir, A. TI The growth of single Fe2B phase on low carbon steel via phase homogenization in electrochemical boriding (PHEB) SO SURFACE & COATINGS TECHNOLOGY LA English DT Article DE Boriding; Molten salts electrolysis; Surface hardening; FeB; Fe2B ID LASER-SURFACE MODIFICATION; LAYER; DIFFUSION; COATINGS; BEHAVIOR; KINETICS AB In this study, we introduce a new electrochemical boriding method that results in the formation of a single-phase Fe2B layer on low carbon steel substrates. Although FeB phase is much harder and more common than Fe2B in all types of boriding operations, it has very poor fracture toughness; hence, it can fracture or delaminate easily from the surface under high normal or tangential loading. We call the new method "phase homogenization in electrochemical boriding" (PHEB), in which carbon steel samples undergo electrochemical boriding for about 15 min at 950 degrees C in a molten electrolyte consisting of 90% borax and 10% sodium carbonate, then after the electrical power to the electrodes is stopped, the samples are left in the bath for an additional 45 min without any polarization. The typical current density during the electrochemical boriding is about 200 mA/cm(2). The total original thickness of the resultant boride layer after 15 min boriding was about 60 mu m (consisting of 201 mu m FeB layer and 40 mu m Fe2B layer); however, during the additional phase homogenization period of 45 min, the thickness of the boride layer increased to 75 mu m and consisted of only Fe2B phase, as confirmed by glancing-angle x-ray diffraction and scanning electron microscopy in backscattering mode. The microscopic characterization of the boride layers revealed a dense, homogeneous, thick boride layer with microhardness of about 16 GPa. The fracture behavior and adhesion of the boride layer were evaluated by the Daimler-Benz Rockwell C test and found to be excellent, i.e., consistent with an HF1 rating. (C) 2011 Elsevier B.V. All rights reserved. C1 [Kartal, G.; Timur, S.] Istanbul Tech Univ, Dept Met & Mat Engn, TR-80626 Istanbul, Turkey. [Sista, V.; Eryilmaz, O. L.; Erdemir, A.] Argonne Natl Lab, Div Energy Syst, Argonne, IL 60439 USA. RP Kartal, G (reprint author), Istanbul Tech Univ, Dept Met & Mat Engn, TR-80626 Istanbul, Turkey. EM kartalgu@itu.edu.tr RI Timur, Servet/J-2893-2012 FU U.S. Department of Energy, Office of Efficiency and Renewable Energy [DE-AC02-06CH11357] FX This work was supported by the U.S. Department of Energy, Office of Efficiency and Renewable Energy, Industrial Technologies Program, under Contact No. DE-AC02-06CH11357. The authors would like to thank Prof. Dr. Gultekin Goller and Talat Alpak for their contributions to the SEM-EDS analyses. NR 22 TC 26 Z9 30 U1 0 U2 9 PU ELSEVIER SCIENCE SA PI LAUSANNE PA PO BOX 564, 1001 LAUSANNE, SWITZERLAND SN 0257-8972 J9 SURF COAT TECH JI Surf. Coat. Technol. PD DEC 25 PY 2011 VL 206 IS 7 BP 2005 EP 2011 DI 10.1016/j.surfcoat.2011.08.049 PG 7 WC Materials Science, Coatings & Films; Physics, Applied SC Materials Science; Physics GA 871BB UT WOS:000298711500074 ER PT J AU Liu, WT Tieman, B Kettimuthu, R Foster, I AF Liu, Wantao Tieman, Brian Kettimuthu, Rajkumar Foster, Ian TI Moving huge scientific datasets over the Internet SO CONCURRENCY AND COMPUTATION-PRACTICE & EXPERIENCE LA English DT Article DE data transfer; data-intensive computing; Internet; e-science AB Modern scientific experiments can generate hundreds of gigabytes to terabytes or even petabytes of data that may be maintained in large numbers of relatively small files. Frequently, these data must be disseminated to remote collaborators or computational centers for data analysis. Moving this dataset with high performance and strong robustness and providing a simple interface for users are challenging tasks. We present a data transfer framework comprising a high-performance data transfer library based on GridFTP, an extensible data scheduler with four data scheduling policies, and a GUI that allows users to transfer their dataset easily, reliably, and securely. This system incorporates automatic tuning mechanisms to select at runtime the number of concurrent threads to be used for transfers. Also included are restart mechanisms for handling client, network, and server failures. Experimental results indicate that our data transfer system can significantly improve data transfer performance and can recover well from failures. Copyright (C) 2011 John Wiley & Sons, Ltd. C1 [Liu, Wantao] Beihang Univ, Sch Engn & Comp Sci, Beijing, Peoples R China. [Foster, Ian] Univ Chicago, Dept Comp Sci, Chicago, IL 60637 USA. [Tieman, Brian] Argonne Natl Lab, Adv Photon Source, Downers Grove Township, IL USA. [Kettimuthu, Rajkumar; Foster, Ian] Argonne Natl Lab, Div Math & Comp Sci, Downers Grove Township, IL USA. [Liu, Wantao; Kettimuthu, Rajkumar; Foster, Ian] Univ Chicago, Computat Inst, Argonne Natl Lab, Chicago, IL 60637 USA. RP Liu, WT (reprint author), Beihang Univ, Sch Engn & Comp Sci, Beijing, Peoples R China. EM wantao.liu@gmail.com FU US Department of Energy [DE-AC02-06CH11357] FX This work was supported by the US Department of Energy, under contract DE-AC02-06CH11357. NR 23 TC 1 Z9 1 U1 0 U2 7 PU WILEY-BLACKWELL PI HOBOKEN PA 111 RIVER ST, HOBOKEN 07030-5774, NJ USA SN 1532-0626 EI 1532-0634 J9 CONCURR COMP-PRACT E JI Concurr. Comput.-Pract. Exp. PD DEC 25 PY 2011 VL 23 IS 18 BP 2404 EP 2420 DI 10.1002/cpe.1779 PG 17 WC Computer Science, Software Engineering; Computer Science, Theory & Methods SC Computer Science GA 860IW UT WOS:000297943000003 ER PT J AU Curry, ML Skjellum, A Ward, HL Brightwell, R AF Curry, Matthew L. Skjellum, Anthony Ward, H. Lee Brightwell, Ron TI Gibraltar: A Reed-Solomon Coding Library for Storage Applications on Programmable Graphics Processors SO CONCURRENCY AND COMPUTATION-PRACTICE & EXPERIENCE LA English DT Article DE graphics processors; storage; Reed-Solomon coding; reliability; fault tolerance ID SYSTEMS; RAID AB Reed-Solomon coding is a method for generating arbitrary amounts of erasure correction information from original data via matrix-vector multiplication in finite fields. Previous work has shown that modern CPUs are not well-matched to this type of computation, requiring applications that depend on Reed-Solomon coding at high speeds (such as high-performance storage arrays) to use hardware implementations. This work demonstrates that high performance is possible with current cost-effective graphics processing units across a wide range of operating conditions and describes how performance will likely evolve in similar architectures. It describes the characteristics of the graphics processing unit architecture that enable high-speed Reed-Solomon coding. A high-performance practical library, Gibraltar, has been prototyped that performs Reed-Solomon coding on graphics processors in a manner suitable for storage arrays, along with applications with similar data resiliency needs. This library enables variably resilient erasure correcting codes to be used in a broad range of applications. Its performance is compared with that of a widely available CPU implementation, and a rationale for its API is presented. Its practicality is demonstrated through a usage example. Copyright (C) 2011 John Wiley & Sons, Ltd. C1 [Curry, Matthew L.; Ward, H. Lee; Brightwell, Ron] Sandia Natl Labs, Albuquerque, NM 87185 USA. [Skjellum, Anthony] Univ Alabama Birmingham, Birmingham, AL 35294 USA. RP Curry, ML (reprint author), Sandia Natl Labs, POB 5800, Albuquerque, NM 87185 USA. EM mlcurry@sandia.gov NR 35 TC 7 Z9 7 U1 0 U2 4 PU WILEY-BLACKWELL PI HOBOKEN PA 111 RIVER ST, HOBOKEN 07030-5774, NJ USA SN 1532-0626 EI 1532-0634 J9 CONCURR COMP-PRACT E JI Concurr. Comput.-Pract. Exp. PD DEC 25 PY 2011 VL 23 IS 18 BP 2477 EP 2495 DI 10.1002/cpe.1810 PG 19 WC Computer Science, Software Engineering; Computer Science, Theory & Methods SC Computer Science GA 860IW UT WOS:000297943000007 ER PT J AU Li, HY Huang, MY Wigmosta, MS Ke, YH Coleman, AM Leung, LR Wang, AH Ricciuto, DM AF Li, Hongyi Huang, Maoyi Wigmosta, Mark S. Ke, Yinghai Coleman, Andre M. Leung, L. Ruby Wang, Aihui Ricciuto, Daniel M. TI Evaluating runoff simulations from the Community Land Model 4.0 using observations from flux towers and a mountainous watershed SO JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES LA English DT Article ID DIGITAL ELEVATION MODEL; SPATIAL VARIABILITY; HYDROLOGIC MODEL; BASE-FLOW; TRANSMISSIVITY PROFILE; RECESSION ANALYSIS; CLIMATE MODELS; FROZEN SOIL; TOPMODEL; PARAMETERIZATION AB Previous studies using the Community Land Model (CLM) focused on simulating land-atmosphere interactions and water balance on continental to global scales, with limited attention paid to its capability for hydrologic simulations at watershed or regional scales. This study evaluates the performance of CLM 4.0 (CLM4) for hydrologic simulations and explores possible directions of improvement. Specifically, it is found that CLM4 tends to produce unrealistically large temporal variations of runoff for applications at a mountainous catchment in the northwest United States, where subsurface runoff is dominant, as well as at a few flux tower sites spanning a wide range of climate and site conditions in the United States. Runoff simulations from CLM4 can be improved by (1) increasing spatial resolution of the land surface representations and (2) calibrating model parameter values. We also demonstrate that runoff simulations may be improved by implementing alternative runoff generation schemes such as those from the variable infiltration capacity (VIC) model or the TOPMODEL formulations with a more general power law-based transmissivity profile, which will be explored in future studies. This study also highlights the importance of evaluating both energy and water fluxes in the application of land surface models across multiple scales. C1 [Li, Hongyi; Huang, Maoyi; Wigmosta, Mark S.; Ke, Yinghai; Coleman, Andre M.; Leung, L. Ruby] Pacific NW Natl Lab, Richland, WA 99352 USA. [Ricciuto, Daniel M.] Oak Ridge Natl Lab, Div Environm Sci, Oak Ridge, TN 37831 USA. [Wang, Aihui] Chinese Acad Sci, Inst Atmospher Phys, Beijing 100029, Peoples R China. RP Li, HY (reprint author), Pacific NW Natl Lab, 902 Battelle Blvd,POB 999, Richland, WA 99352 USA. EM Maoyi.Huang@pnnl.gov RI Li, Hong-Yi/C-9143-2014; Huang, Maoyi/I-8599-2012; Ricciuto, Daniel/I-3659-2016 OI Li, Hong-Yi/0000-0001-5690-3610; Huang, Maoyi/0000-0001-9154-9485; Ricciuto, Daniel/0000-0002-3668-3021 FU PNNL Integrated Regional Earth System Modeling (iRESM) Initiative; DOE; Battelle Memorial Institute [DE-AC06-76RLO1830] FX This work is supported by the PNNL Integrated Regional Earth System Modeling (iRESM) Initiative and DOE projects on "Investigation of the Magnitudes and Probabilities of Abrupt Climate Transitions (IMPACTS)" and "Strengthening the Coupling between Climate and Earth System Models (ESMs) and Integrated Assessment Models (IAMs)." The authors would like to thank Teklu K. Tesfa for his help on data analysis at the beginning stage of this study, R. Stockli for sharing his MODELFARM scripts, the NACP site synthesis team for providing the flux tower data sets, and X. Liang, D. Lettenmaier, G.-Y. Niu, Z.-L. Yang, and M. Sivapalan for their comments and suggestions on this study. PNNL is operated for the U.S. DOE by Battelle Memorial Institute under contract DE-AC06-76RLO1830. NR 80 TC 44 Z9 44 U1 2 U2 19 PU AMER GEOPHYSICAL UNION PI WASHINGTON PA 2000 FLORIDA AVE NW, WASHINGTON, DC 20009 USA SN 2169-897X EI 2169-8996 J9 J GEOPHYS RES-ATMOS JI J. Geophys. Res.-Atmos. PD DEC 24 PY 2011 VL 116 AR D24120 DI 10.1029/2011JD016276 PG 19 WC Meteorology & Atmospheric Sciences SC Meteorology & Atmospheric Sciences GA 868AQ UT WOS:000298496300004 ER PT J AU Liu, XH Xie, SC Boyle, J Klein, SA Shi, XJ Wang, ZE Lin, WY Ghan, SJ Earle, M Liu, PSK Zelenyuk, A AF Liu, Xiaohong Xie, Shaocheng Boyle, James Klein, Stephen A. Shi, Xiangjun Wang, Zhien Lin, Wuyin Ghan, Steven J. Earle, Michael Liu, Peter S. K. Zelenyuk, Alla TI Testing cloud microphysics parameterizations in NCAR CAM5 with ISDAC and M-PACE observations SO JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES LA English DT Article ID COMMUNITY ATMOSPHERE MODEL; PHASE ARCTIC CLOUD; HETEROGENEOUS ICE NUCLEATION; GENERAL-CIRCULATION MODEL; GLOBAL CLIMATE MODEL; LIQUID WATER PATH; VERSION-3 CAM3; PART II; AEROSOL; SIMULATIONS AB Arctic clouds simulated by the National Center for Atmospheric Research (NCAR) Community Atmospheric Model version 5 (CAM5) are evaluated with observations from the U. S. Department of Energy (DOE) Atmospheric Radiation Measurement (ARM) Indirect and Semi-Direct Aerosol Campaign (ISDAC) and Mixed-Phase Arctic Cloud Experiment (M-PACE), which were conducted at its North Slope of Alaska site in April 2008 and October 2004, respectively. Model forecasts for the Arctic spring and fall seasons performed under the Cloud-Associated Parameterizations Testbed framework generally reproduce the spatial distributions of cloud fraction for single-layer boundary-layer mixed-phase stratocumulus and multilayer or deep frontal clouds. However, for low-level stratocumulus, the model significantly underestimates the observed cloud liquid water content in both seasons. As a result, CAM5 significantly underestimates the surface downward longwave radiative fluxes by 20-40 W m(-2). Introducing a new ice nucleation parameterization slightly improves the model performance for low-level mixed-phase clouds by increasing cloud liquid water content through the reduction of the conversion rate from cloud liquid to ice by the Wegener-Bergeron-Findeisen process. The CAM5 single-column model testing shows that changing the instantaneous freezing temperature of rain to form snow from -5 degrees C to -40 degrees C causes a large increase in modeled cloud liquid water content through the slowing down of cloud liquid and rain-related processes (e. g., autoconversion of cloud liquid to rain). The underestimation of aerosol concentrations in CAM5 in the Arctic also plays an important role in the low bias of cloud liquid water in the single-layer mixed-phase clouds. In addition, numerical issues related to the coupling of model physics and time stepping in CAM5 are responsible for the model biases and will be explored in future studies. C1 [Liu, Xiaohong; Shi, Xiangjun; Ghan, Steven J.; Zelenyuk, Alla] Pacific NW Natl Lab, Richland, WA 99352 USA. [Xie, Shaocheng; Boyle, James; Klein, Stephen A.] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA. [Earle, Michael; Liu, Peter S. K.] Environm Canada, Sci & Technol Branch, Downsview, ON M3H 5T4, Canada. [Lin, Wuyin] Brookhaven Natl Lab, Upton, NY 11973 USA. [Wang, Zhien] Univ Wyoming, Dept Atmospher Sci, Laramie, WY 82071 USA. [Shi, Xiangjun] Chinese Acad Sci, Inst Atmospher Phys, Beijing, Peoples R China. RP Liu, XH (reprint author), Pacific NW Natl Lab, WA3200 Q Ave,MSIN K9-24, Richland, WA 99352 USA. EM xiaohong.liu@pnnl.gov RI Wang, Zhien/F-4857-2011; Xie, Shaocheng/D-2207-2013; Liu, Xiaohong/E-9304-2011; Ghan, Steven/H-4301-2011; Klein, Stephen/H-4337-2016 OI Xie, Shaocheng/0000-0001-8931-5145; Liu, Xiaohong/0000-0002-3994-5955; Ghan, Steven/0000-0001-8355-8699; Klein, Stephen/0000-0002-5476-858X FU U.S. Department of Energy (DOE) Office of Science (BER) Atmospheric System Research (ASR); Office of Science at the U.S. DOE; DOE [DE-FG02-05ER64069]; Battelle Memorial Institute [DE-AC06-76RLO 1830]; U.S. Department of Energy by Lawrence Livermore National Laboratory [DE-AC52-07NA27344] FX X. Liu would like to thank H. Morrison for helpful discussion of cloud microphysics in CAM5. Support for X. Liu, X. Shi, and S. J. Ghan was provided by the U.S. Department of Energy (DOE) Office of Science (BER) Atmospheric System Research (ASR) Program and Earth System Modeling Program. Support for J. S. Boyle, S. A. Klein, and S. Xie was provided by the Regional and Global Climate and Earth System Modeling Programs of the Office of Science at the U.S. DOE. Z. Wang acknowledges the support of the DOE under grant DE-FG02-05ER64069. The Pacific Northwest National Laboratory (PNNL) is operated for the DOE by Battelle Memorial Institute under contract DE-AC06-76RLO 1830. The contributions of J. S. Boyle, S. A. Klein, and S. Xie to this work were performed under the auspices of the U.S. Department of Energy by Lawrence Livermore National Laboratory under contract DE-AC52-07NA27344. NR 62 TC 26 Z9 26 U1 2 U2 31 PU AMER GEOPHYSICAL UNION PI WASHINGTON PA 2000 FLORIDA AVE NW, WASHINGTON, DC 20009 USA SN 2169-897X J9 J GEOPHYS RES-ATMOS JI J. Geophys. Res.-Atmos. PD DEC 24 PY 2011 VL 116 AR D00T11 DI 10.1029/2011JD015889 PG 18 WC Meteorology & Atmospheric Sciences SC Meteorology & Atmospheric Sciences GA 868AQ UT WOS:000298496300001 ER PT J AU Fang, XW Wang, CZ Hao, SG Kramer, MJ Yao, YX Mendelev, MI Ding, ZJ Napolitano, RE Ho, KM AF Fang, X. W. Wang, C. Z. Hao, S. G. Kramer, M. J. Yao, Y. X. Mendelev, M. I. Ding, Z. J. Napolitano, R. E. Ho, K. M. TI Spatially Resolved Distribution Function and the Medium-Range Order in Metallic Liquid and Glass SO SCIENTIFIC REPORTS LA English DT Article ID CU-ZR ALLOYS; SIMULATION; PACKING AB The structural description of disordered systems has been a longstanding challenge in physical science. We propose an atomic cluster alignment method to reveal the development of three-dimensional topological ordering in a metallic liquid as it undercools to form a glass. By analyzing molecular dynamic (MD) simulation trajectories of a Cu64.5Zr35.5 alloy, we show that medium-range order (MRO) develops in the liquid as it approaches the glass transition. Specifically, around Cu sites, we observe "Bergman triacontahedron" packing (icosahedron, dodecahedron and icosahedron) that extends out to the fourth shell, forming an interpenetrating backbone network in the glass. The discovery of Bergman-type MRO from our order-mining technique provides unique insights into the topological ordering near the glass transition and the relationship between metallic glasses and quasicrystals. C1 [Fang, X. W.; Wang, C. Z.; Hao, S. G.; Kramer, M. J.; Yao, Y. X.; Mendelev, M. I.; Napolitano, R. E.; Ho, K. M.] Iowa State Univ, Ames Lab, US DOE, Ames, IA 50011 USA. [Fang, X. W.; Ding, Z. J.] Univ Sci & Technol China, Hefei Natl Lab Phys Sci Microscale, Hefei 230026, Anhui, Peoples R China. [Fang, X. W.; Ding, Z. J.] Univ Sci & Technol China, Dept Phys, Hefei 230026, Anhui, Peoples R China. [Napolitano, R. E.] Iowa State Univ, Dept Mat Sci & Engn, Ames, IA 50011 USA. [Wang, C. Z.; Hao, S. G.; Yao, Y. X.; Ho, K. M.] Iowa State Univ, Dept Phys & Astron, Ames, IA 50011 USA. RP Wang, CZ (reprint author), Iowa State Univ, Ames Lab, US DOE, Ames, IA 50011 USA. EM wangcz@ameslab.gov FU Basic Energy Sciences, Office of Science, U.S. Department of Energy [DE-AC02-07CH11358]; National Energy Research Supercomputing Center (NERSC) in Berkeley, CA; China Scholarship Council [2008634035]; National Natural Science Foundation of China [similar to10874160]; '111' project FX We thank Prof. Alan Goldman for useful discussion and critical reading of the manuscript. This work was supported by Basic Energy Sciences, Office of Science, U.S. Department of Energy, under Contract No. DE-AC02-07CH11358. Support including a grant for computer time at the National Energy Research Supercomputing Center (NERSC) in Berkeley, CA. X. W. Fang acknowledges the support from China Scholarship Council for the Postgraduate Scholarship Program (File NO. 2008634035) and Z.J. Ding acknowledges the National Natural Science Foundation of China (Grant No.similar to 10874160) and the '111' project. NR 27 TC 26 Z9 26 U1 7 U2 57 PU NATURE PUBLISHING GROUP PI LONDON PA MACMILLAN BUILDING, 4 CRINAN ST, LONDON N1 9XW, ENGLAND SN 2045-2322 J9 SCI REP-UK JI Sci Rep PD DEC 23 PY 2011 VL 1 AR 194 DI 10.1038/srep00194 PG 5 WC Multidisciplinary Sciences SC Science & Technology - Other Topics GA 896LO UT WOS:000300568000001 PM 22355709 ER PT J AU Zhang, F Vierock, J Yizhar, O Fenno, LE Tsunoda, S Kianianmomeni, A Prigge, M Berndt, A Cushman, J Polle, J Magnuson, J Hegemann, P Deisseroth, K AF Zhang, Feng Vierock, Johannes Yizhar, Ofer Fenno, Lief E. Tsunoda, Satoshi Kianianmomeni, Arash Prigge, Matthias Berndt, Andre Cushman, John Polle, Juergen Magnuson, Jon Hegemann, Peter Deisseroth, Karl TI The Microbial Opsin Family of Optogenetic Tools SO CELL LA English DT Article ID CHLORIDE PUMP HALORHODOPSIN; GREEN-ALGA CHLAMYDOMONAS; RHODOPSIN-LIKE PROTEIN; HALOBACTERIUM-HALOBIUM; ARCHAEAL RHODOPSINS; SENSORY RHODOPSIN; VOLVOX-CARTERI; IN-VIVO; NATRONOBACTERIUM-PHARAONIS; PHOTOPHOBIC RESPONSES AB The capture and utilization of light is an exquisitely evolved process. The single-component microbial opsins, although more limited than multicomponent cascades in processing, display unparalleled compactness and speed. Recent advances in understanding microbial opsins have been driven by molecular engineering for optogenetics and by comparative genomics. Here we provide a Primer on these light-activated ion channels and pumps, describe a group of opsins bridging prior categories, and explore the convergence of molecular engineering and genomic discovery for the utilization and understanding of these remarkable molecular machines. C1 [Zhang, Feng] Broad Inst MIT & Harvard, Cambridge, MA 02142 USA. [Zhang, Feng] MIT, McGovern Inst Brain Res, Dept Brain & Cognit Sci, Cambridge, MA 02139 USA. [Vierock, Johannes; Tsunoda, Satoshi; Kianianmomeni, Arash; Prigge, Matthias; Berndt, Andre; Hegemann, Peter] Univ Berlin, Inst Biol, D-10115 Berlin, Germany. [Yizhar, Ofer] Weizmann Inst Sci, Dept Neurobiol, IL-76100 Rehovot, Israel. [Fenno, Lief E.; Deisseroth, Karl] Stanford Univ, Howard Hughes Med Inst, CNC Program, Dept Bioengn, Stanford, CA 94305 USA. [Fenno, Lief E.; Deisseroth, Karl] Stanford Univ, Howard Hughes Med Inst, CNC Program, Dept Psychiat, Stanford, CA 94305 USA. [Cushman, John] Univ Nevada, Dept Biochem & Mol Biol, Reno, NV 89557 USA. [Polle, Juergen] CUNY, Dept Biol, Brooklyn Coll, Brooklyn, NY 11210 USA. [Magnuson, Jon] Pacific NW Natl Lab, Chem & Biol Proc Dev Grp, Richland, WA 99352 USA. RP Zhang, F (reprint author), Broad Inst MIT & Harvard, Cambridge, MA 02142 USA. EM zhang_f@mit.edu; hegemape@rz.hu-berlin.de; deissero@stanford.edu OI Yizhar, Ofer/0000-0003-4228-1448 FU NIH [TR01]; Robert Metcalfe; Michael Boylan; McKnight; Gates; Simons; Damon Runyon Foundation; DFG; DOE's Office of Science [DE-AC02-05CH11231] FX Full funding information for K.D. is listed at http:// www.optogenetics.org/ funding and includes the Gatsby Charitable Foundation and the Keck, Snyder, Woo, and Yu Foundations, as well as CIRM, NIMH, NINDS, NIDA, and the DARPA REPAIR program. F.Z. is supported by the NIH TR01, Robert Metcalfe, Michael Boylan, and the McKnight, Gates, Simons, and Damon Runyon Foundations. L. E. F. is supported by the NIH MSTP program. P. H. is supported by the DFG. We thank the entire Deisseroth laboratory for their support and Dr. Duc Tran for assistance. Genome and transcriptome sequencing and assembly were performed by the Department of Energy (DOE) Joint Genome Institute and supported by the DOE's Office of Science under Contract No. DE-AC02-05CH11231. NR 100 TC 170 Z9 173 U1 3 U2 81 PU CELL PRESS PI CAMBRIDGE PA 600 TECHNOLOGY SQUARE, 5TH FLOOR, CAMBRIDGE, MA 02139 USA SN 0092-8674 J9 CELL JI Cell PD DEC 23 PY 2011 VL 147 IS 7 BP 1446 EP 1457 DI 10.1016/j.cell.2011.12.004 PG 12 WC Biochemistry & Molecular Biology; Cell Biology SC Biochemistry & Molecular Biology; Cell Biology GA 866SP UT WOS:000298403400011 PM 22196724 ER PT J AU Zhang, X Sun, DZ Sue, HJ Nishimura, R AF Zhang, Xi Sun, Dazhi Sue, Hung-Jue Nishimura, Riichi TI Colloidal Crystallization of Surfactant-Free ZnO Quantum Dots SO CHEMPHYSCHEM LA English DT Article DE colloids; nanomaterials; particles; self-assembly; sol-gel process ID GOLD NANOPARTICLES; NANOCRYSTAL SUPERLATTICES; SELF-ORGANIZATION; ZINC-OXIDE; SPHERES; PHOTOLUMINESCENCE; CRYSTALS; DNA; IDENTIFICATION; ENSEMBLE C1 [Zhang, Xi; Sue, Hung-Jue] Texas A&M Univ, Mat Sci & Engn Program, College Stn, TX 77843 USA. [Sun, Dazhi] Brookhaven Natl Lab, Ctr Funct Nanomat, Upton, NY 11973 USA. [Nishimura, Riichi] Kaneka Corp, Corp R&D Div, Osaka 5308288, Japan. RP Sue, HJ (reprint author), Texas A&M Univ, Mat Sci & Engn Program, College Stn, TX 77843 USA. EM hjsue@tamu.edu RI Sun, Dazhi /H-3625-2011; Sue, HJ/A-4051-2008; Sun, Dazhi/F-5144-2013 OI Sue, HJ/0000-0002-3898-4469; Sun, Dazhi/0000-0001-7553-3141 FU KANEKA FX The authors thank KANEKA for their financial support and Dr. Wei for his assistance in SEM imaging. Special thanks are also given to the Microscopy and Imaging Center at Texas A&M University for assistance in SEM and TEM imaging. NR 36 TC 2 Z9 2 U1 3 U2 32 PU WILEY-BLACKWELL PI MALDEN PA COMMERCE PLACE, 350 MAIN ST, MALDEN 02148, MA USA SN 1439-4235 J9 CHEMPHYSCHEM JI ChemPhysChem PD DEC 23 PY 2011 VL 12 IS 18 BP 3533 EP 3538 DI 10.1002/cphc.201100579 PG 6 WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical SC Chemistry; Physics GA 866BP UT WOS:000298354900010 PM 22069245 ER PT J AU Younker, JM Beste, A Buchanan, AC AF Younker, Jarod M. Beste, Ariana Buchanan, A. C., III TI Computational Study of Bond Dissociation Enthalpies for Substituted ss-O-4 Lignin Model Compounds SO CHEMPHYSCHEM LA English DT Article DE bond energy; density functional theory; hydrogen bonds; phenyl ethers; thermodynamics ID PHENETHYL PHENYL ETHERS; LOW-RANK COAL; AB-INITIO; O-H; NONCOVALENT INTERACTIONS; DENSITY FUNCTIONALS; PYROLYTIC CLEAVAGE; ALPHA/BETA-SELECTIVITIES; THERMOCHEMICAL KINETICS; STABILIZATION ENERGIES AB The biopolymer lignin is a potential source of valuable chemicals. Phenethyl phenyl ether (PPE) is representative of the dominant beta-O-4 ether linkage. DFT is used to calculate the Boltzmann-weighted carbonoxygen and carboncarbon bond dissociation enthalpies (BDEs) of substituted PPE. These values are important for understanding lignin decomposition. Exclusion of all conformers that have distributions of less than 5% at 298 K impacts the BDE by less than 1 kcal mol-1. We find that aliphatic hydroxyl/methylhydroxyl substituents introduce only small changes to the BDEs (03 kcal mol-1). Substitution on the phenyl ring at the ortho position substantially lowers the C-O BDE, except in combination with the hydroxyl/methylhydroxyl substituents, for which the effect of methoxy substitution is reduced by hydrogen bonding. Hydrogen bonding between the aliphatic substituents and the ether oxygen in the PPE derivatives has a significant influence on the BDE. CCSD(T)-calculated BDEs and hydrogen-bond strengths of ortho-substituted anisoles, when compared with M06-2X values, confirm that the latter method is sufficient to describe the molecules studied and provide an important benchmark for lignin model compounds. C1 [Younker, Jarod M.] Oak Ridge Associated Univ, Oak Ridge, TN 37831 USA. [Beste, Ariana] Univ Tennessee, Joint Inst Computat Sci, Oak Ridge, TN 37831 USA. [Buchanan, A. C., III] Oak Ridge Natl Lab, Div Chem Sci, Oak Ridge, TN 37831 USA. RP Younker, JM (reprint author), Oak Ridge Associated Univ, 1 Bethel Valley Rd, Oak Ridge, TN 37831 USA. EM younkerjm@ornl.gov FU Office of Basic Energy Sciences, Division of Chemical Sciences, Geosciences, and Biosciences, U.S. Department of Energy; Office of Advanced Scientific Computing Research, U.S. Department of Energy; National Centre for Computational Sciences at Oak Ridge National Laboratory [DE-AC05-00OR22725]; National Science Foundation FX We would like to acknowledge Karl Kowalski for the TCE improvements and Edo Apra for assistance with the coupled-cluster calculations. This work was sponsored by the Office of Basic Energy Sciences, Division of Chemical Sciences, Geosciences, and Biosciences (A.C.B.), and by the Office of Advanced Scientific Computing Research (J.M.Y. and A.B.), U.S. Department of Energy, and was performed in part using the resources of the National Centre for Computational Sciences at Oak Ridge National Laboratory under contract DE-AC05-00OR22725 and the National Institute for Computational Sciences provided by the National Science Foundation. NR 83 TC 32 Z9 34 U1 7 U2 68 PU WILEY-V C H VERLAG GMBH PI WEINHEIM PA BOSCHSTRASSE 12, D-69469 WEINHEIM, GERMANY SN 1439-4235 J9 CHEMPHYSCHEM JI ChemPhysChem PD DEC 23 PY 2011 VL 12 IS 18 BP 3556 EP 3565 DI 10.1002/cphc.201100477 PG 10 WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical SC Chemistry; Physics GA 866BP UT WOS:000298354900013 PM 22065478 ER PT J AU Hartung, S Arvai, AS Wood, T Kolappan, S Shin, DS Craig, L Tainer, JA AF Hartung, Sophia Arvai, Andrew S. Wood, Timothy Kolappan, Subramaniapillai Shin, David S. Craig, Lisa Tainer, John A. TI Ultrahigh Resolution and Full-length Pilin Structures with Insights for Filament Assembly, Pathogenic Functions, and Vaccine Potential SO JOURNAL OF BIOLOGICAL CHEMISTRY LA English DT Article ID IV PILUS STRUCTURE; FRANCISELLA-TULARENSIS; PSEUDOMONAS-AERUGINOSA; BACTEROIDES-NODOSUS; NEISSERIA-GONORRHOEAE; DICHELOBACTER-NODOSUS; TWITCHING MOTILITY; VIBRIO-CHOLERAE; II SECRETION; NATURAL TRANSFORMATION AB Pilin proteins assemble into Type IV pili (T4P), surface-displayed bacterial filaments with virulence functions including motility, attachment, transformation, immune escape, and colony formation. However, challenges in crystallizing full-length fiber-forming and membrane protein pilins leave unanswered questions regarding pilin structures, assembly, functions, and vaccine potential. Here we report pilin structures of full-length DnFimA from the sheep pathogen Dichelobacter nodosus and FtPilE from the human pathogen Francisella tularensis at 2.3 and 1 angstrom resolution, respectively. The DnFimA structure reveals an extended kinked N-terminal alpha-helix, an unusual centrally located disulfide, conserved subdomains, and assembled epitopes informing serogroup vaccines. An interaction between the conserved Glu-5 carboxyl oxygen and the N-terminal amine of an adjacent subunit in the crystallographic dimer is consistent with the hypothesis of a salt bridge between these groups driving T4P assembly. The FtPilE structure identifies an authentic Type IV pilin and provides a framework for understanding the role of T4P in F. tularensis virulence. Combined results define a unified pilin architecture, specialized subdomain roles in pilus assembly and function, and potential therapeutic targets. C1 [Kolappan, Subramaniapillai; Craig, Lisa] Simon Fraser Univ, Dept Mol Biol & Biochem, Burnaby, BC V5A 1S6, Canada. [Hartung, Sophia; Shin, David S.; Tainer, John A.] Lawrence Berkeley Natl Lab, Div Life Sci, Berkeley, CA 94720 USA. [Arvai, Andrew S.; Wood, Timothy; Tainer, John A.] Scripps Res Inst, Dept Mol Biol, La Jolla, CA 92037 USA. [Arvai, Andrew S.; Wood, Timothy; Tainer, John A.] Scripps Res Inst, Skaggs Inst Chem Biol, La Jolla, CA 92037 USA. RP Craig, L (reprint author), Simon Fraser Univ, Dept Mol Biol & Biochem, 8888 Univ Dr, Burnaby, BC V5A 1S6, Canada. EM licraig@sfu.ca; jatainer@lbl.gov FU National Institutes of Health [AI22160]; Office of Science, Office of Biological and Environmental Research, of the United States Department of Energy [DE-AC02-05CH11231]; Canadian Institutes of Health Research; Michael Smith Foundation for Health Research FX This work was supported, in whole or in part, by National Institutes of Health Grant AI22160.; Supported by the ENIGMA program of the Office of Science, Office of Biological and Environmental Research, of the United States Department of Energy under Contract DE-AC02-05CH11231.; Supported by salary awards from the Canadian Institutes of Health Research and the Michael Smith Foundation for Health Research. NR 73 TC 29 Z9 29 U1 1 U2 7 PU AMER SOC BIOCHEMISTRY MOLECULAR BIOLOGY INC PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3996 USA SN 0021-9258 J9 J BIOL CHEM JI J. Biol. Chem. PD DEC 23 PY 2011 VL 286 IS 51 BP 44254 EP 44265 DI 10.1074/jbc.M111.297242 PG 12 WC Biochemistry & Molecular Biology SC Biochemistry & Molecular Biology GA 866SH UT WOS:000298402300065 PM 22027840 ER PT J AU Edburg, SL Hicke, JA Lawrence, DM Thornton, PE AF Edburg, Steven L. Hicke, Jeffrey A. Lawrence, David M. Thornton, Peter E. TI Simulating coupled carbon and nitrogen dynamics following mountain pine beetle outbreaks in the western United States SO JOURNAL OF GEOPHYSICAL RESEARCH-BIOGEOSCIENCES LA English DT Article ID PONDEROSA PINE; INSECT DEFOLIATION; LODGEPOLE PINE; CLIMATE-CHANGE; FOREST; FLUXES; DISTURBANCE; CANADA; SASKATCHEWAN; RECOVERY AB Insect outbreaks are major ecosystem disturbances, affecting a similar area as forest fires annually across North America. Tree mortality caused by bark beetle outbreaks alters carbon cycling in the first several years following the disturbance by reducing stand-level primary production and by increasing the amount of dead organic matter available for decomposition. The few studies of biogeochemical cycling following outbreaks have shown a range of impacts from small responses of net carbon fluxes in the first several years after a severe outbreak to large forest areas that are sources of carbon to the atmosphere for decades. To gain more understanding about causes of this range of responses, we used an ecosystem model to assess impacts of different bark beetle outbreak conditions on coupled carbon and nitrogen cycling. We modified the Community Land Model with prognostic carbon and nitrogen to include prescribed bark beetle outbreaks. We then compared control simulations (without a bark beetle outbreak) to simulations with various levels of mortality severity, durations of outbreak, and snagfall dynamics to quantify the range of carbon flux responses and recovery rates of net ecosystem productivity to a range of realistic outbreak conditions. Our simulations illustrate that, given the large variability in bark beetle outbreak conditions, a wide range of responses in carbon and nitrogen dynamics can occur. The fraction of trees killed, delay in snagfall, snagfall rate, and management decisions about harvesting killed trees will have major impacts on postoutbreak carbon fluxes for several decades and postoutbreak carbon stocks up to 100 years. C1 [Edburg, Steven L.; Hicke, Jeffrey A.] Univ Idaho, Dept Geog, Moscow, ID 83844 USA. [Lawrence, David M.] Natl Ctr Atmospher Res, Boulder, CO 80307 USA. [Thornton, Peter E.] Oak Ridge Natl Lab, Div Environm Sci, Oak Ridge, TN 37831 USA. RP Edburg, SL (reprint author), Univ Idaho, Dept Geog, Moscow, ID 83844 USA. RI Thornton, Peter/B-9145-2012; Lawrence, David/C-4026-2011; Hicke, Jeff/M-9677-2013 OI Thornton, Peter/0000-0002-4759-5158; Lawrence, David/0000-0002-2968-3023; FU National Institute for Climate Change Research; USDA Forest Service Western Wildland Environmental Threat Assessment Center; Los Alamos National Laboratory; U.S. Department of Energy, Office of Science, Biological and Environmental Research (BER); National Science Foundation; Office of Science (BER) of the U. S. Department of Energy; U.S. Department of Energy [DE-AC05-00OR22725] FX We thank Erik Kluzek, Nan Rosenbloom, and Sean Swenson, NCAR, for computational support and postprocessing algorithms, and Katy Kavanagh, University of Idaho, for assistance with interpretation of results. This work was funded by the National Institute for Climate Change Research, USDA Forest Service Western Wildland Environmental Threat Assessment Center, Los Alamos National Laboratory, and U.S. Department of Energy, Office of Science, Biological and Environmental Research (BER). Travel support was provided by the Climate and Global Dynamics Division of the National Center for Atmospheric Research (NCAR). Computing resources were provided by the Climate Simulation Laboratory at NCAR's Computational and Information Systems Laboratory, sponsored by the National Science Foundation and other agencies. The CESM project is supported by the National Science Foundation and the Office of Science (BER) of the U. S. Department of Energy. Oak Ridge National Laboratory is managed by UT-Battelle, LLC, for the U.S. Department of Energy under contract DE-AC05-00OR22725. NR 44 TC 33 Z9 34 U1 7 U2 62 PU AMER GEOPHYSICAL UNION PI WASHINGTON PA 2000 FLORIDA AVE NW, WASHINGTON, DC 20009 USA SN 0148-0227 J9 J GEOPHYS RES-BIOGEO JI J. Geophys. Res.-Biogeosci. PD DEC 23 PY 2011 VL 116 AR G04033 DI 10.1029/2011JG001786 PG 15 WC Environmental Sciences; Geosciences, Multidisciplinary SC Environmental Sciences & Ecology; Geology GA 868BG UT WOS:000298497900002 ER PT J AU Hen, O Accardi, A Melnitchouk, W Piasetzky, E AF Hen, O. Accardi, A. Melnitchouk, W. Piasetzky, E. TI Constraints on the large-x d/u ratio from electron-nucleus scattering at x > 1 SO PHYSICAL REVIEW D LA English DT Article ID DEEP-INELASTIC-SCATTERING; EMC; DEUTERON; BREAKING; BINDING; SU(6); MODEL; PION AB Recently the ratio of neutron to proton structure functions F(2)(n)/F(2)(p) was extracted from a phenomenological correlation between the strength of the nuclear EMC effect and inclusive electron-nucleus cross section ratios at x > 1. Within conventional models of nuclear smearing, this "in-medium correction" (IMC) extraction constrains the size of nuclear effects in the deuteron structure functions, from which the neutron structure function F(2)(n) is usually extracted. The IMC data determine the resulting proton d/u quark distribution ratio, extrapolated to x = 1, to be 0.23 +/- 0.09 with a 90% confidence level. This is well below the SU(6) symmetry limit of 1/2 and significantly above the scalar diquark dominance limit of 0. C1 [Hen, O.; Piasetzky, E.] Tel Aviv Univ, IL-69978 Tel Aviv, Israel. [Accardi, A.] Hampton Univ, Hampton, VA 23668 USA. [Accardi, A.; Melnitchouk, W.] Jefferson Lab, Newport News, VA 23606 USA. RP Hen, O (reprint author), Tel Aviv Univ, IL-69978 Tel Aviv, Israel. FU Israel Science Foundation; U.S.-Israeli Bi-National Science Foundation; U.S. DOE under which Jefferson Science Associates, LLC operates Jefferson Lab [DE-AC05-06OR23177]; U.S. National Science Foundation under NSF [1002644] FX We are grateful for collaboration and many fruitful discussions with D. W. Higinbotham, J. F. Owens, and L. B. Weinstein. This work was supported by the Israel Science Foundation, the U.S.-Israeli Bi-National Science Foundation, the U.S. DOE Contract No. DE-AC05-06OR23177, under which Jefferson Science Associates, LLC operates Jefferson Lab, and the U.S. National Science Foundation under NSF Grant No. 1002644. NR 36 TC 12 Z9 12 U1 0 U2 0 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1550-7998 J9 PHYS REV D JI Phys. Rev. D PD DEC 23 PY 2011 VL 84 IS 11 AR 117501 DI 10.1103/PhysRevD.84.117501 PG 4 WC Astronomy & Astrophysics; Physics, Particles & Fields SC Astronomy & Astrophysics; Physics GA 870AW UT WOS:000298642500006 ER PT J AU Aaltonen, T Gonzalez, BA Amerio, S Amidei, D Anastassov, A Annovi, A Antos, J Apollinari, G Appel, JA Apresyan, A Arisawa, T Artikov, A Asaadi, J Ashmanskas, W Auerbach, B Aurisano, A Azfar, F Badgett, W Barbaro-Galtieri, A Barnes, VE Barnett, BA Barria, P Bartos, P Bauce, M Bauer, G Bedeschi, F Beecher, D Behari, S Bellettini, G Bellinger, J Benjamin, D Beretvas, A Bhatti, A Binkley, M Bisello, D Bizjak, I Bland, KR Blocker, C Blumenfeld, B Bocci, A Bodek, A Bortoletto, D Boudreau, J Boveia, A Brau, B Brigliadori, L Brisuda, A Bromberg, C Brucken, E Bucciantonio, M Budagov, J Budd, HS Budd, S Burkett, K Busetto, G Bussey, P Buzatu, A Cabrera, S Calancha, C Camarda, S Campanelli, M Campbell, M Canelli, F Canepa, A Carls, B Carlsmith, D Carosi, R Carrillo, S Carron, S Casal, B Casarsa, M Castro, A Catastini, P Cauz, D Cavaliere, V Cavalli-Sforza, M Cerri, A Cerrito, L Chen, YC Chertok, M Chiarelli, G Chlachidze, G Chlebana, F Cho, K Chokheli, D Chou, JP Chung, WH Chung, YS Ciobanu, CI Ciocci, MA Clark, A Clark, D Compostella, G Convery, ME Conway, J Corbo, M Cordelli, M Cox, CA Cox, DJ Crescioli, F Almenar, CC Cuevas, J Culbertson, R Dagenhart, D d'Ascenzo, N Datta, M de Barbaro, P De Cecco, S De Lorenzo, G Dell'Orso, M Deluca, C Demortier, L Deng, J Deninno, M Devoto, F d'Errico, M Di Canto, A Di Ruzza, B Dittmann, JR D'Onofrio, M Donati, S Dong, P Dorigo, T Ebina, K Elagin, A Eppig, A Erbacher, R Errede, D Errede, S Ershaidat, N Eusebi, R Fang, HC Farrington, S Feindt, M Fernandez, JP Ferrazza, C Field, R Flanagan, G Forrest, R Frank, MJ Franklin, M Freeman, JC Furic, I Gallinaro, M Galyardt, J Garcia, JE Garfinkel, AF Garosi, P Gerberich, H Gerchtein, E Giagu, S Giakoumopoulou, V Giannetti, P Gibson, K Ginsburg, CM Giokaris, N Giromini, P Giunta, M Giurgiu, G Glagolev, V Glenzinski, D Gold, M Goldin, D Goldschmidt, N Golossanov, A Gomez, G Gomez-Ceballos, G Goncharov, M Gonzalez, O Gorelov, I Goshaw, AT Goulianos, K Gresele, A Grinstein, S Grosso-Pilcher, C Group, RC da Costa, JG Gunay-Unalan, Z Haber, C Hahn, SR Halkiadakis, E Hamaguchi, A Han, JY Happacher, F Hara, K Hare, D Hare, M Harr, RF Hatakeyama, K Hays, C Heck, M Heinrich, J Herndon, M Hewamanage, S Hidas, D Hocker, A Hopkins, W Horn, D Hou, S Hughes, RE Hurwitz, M Husemann, U Hussain, N Hussein, M Huston, J Introzzi, G Iori, M Ivanov, A James, E Jang, D Jayatilaka, B Jeon, EJ Jha, MK Jindariani, S Johnson, W Jones, M Joo, KK Jun, SY Junk, TR Kamon, T Karchin, PE Kato, Y Ketchum, W Keung, J Khotilovich, V Kilminster, B Kim, DH Kim, HS Kim, HW Kim, JE Kim, MJ Kim, SB Kim, SH Kim, YK Kimura, N Klimenko, S Kondo, K Kong, DJ Konigsberg, J Korytov, A Kotwal, AV Kreps, M Kroll, J Krop, D Krumnack, N Kruse, M Krutelyov, V Kuhr, T Kurata, M Kwang, S Laasanen, AT Lami, S Lammel, 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Sedov, A. Seidel, S. Seiya, Y. Semenov, A. Sforza, F. Sfyrla, A. Shalhout, S. Z. Shears, T. Shepard, P. F. Shimojima, M. Shiraishi, S. Shochet, M. Shreyber, I. Simonenko, A. Sinervo, P. Sissakian, A. Sliwa, K. Smith, J. R. Snider, F. D. Soha, A. Somalwar, S. Sorin, V. Squillacioti, P. Stanitzki, M. St Denis, R. Stelzer, B. Stelzer-Chilton, O. Stentz, D. Strologas, J. Strycker, G. L. Sudo, Y. Sukhanov, A. Suslov, I. Takemasa, K. Takeuchi, Y. Tang, J. Tecchio, M. Teng, P. K. Thom, J. Thome, J. Thompson, G. A. Thomson, E. Ttito-Guzman, P. Tkaczyk, S. Toback, D. Tokar, S. Tollefson, K. Tomura, T. Tonelli, D. Torre, S. Torretta, D. Totaro, P. Trovato, M. Tu, Y. Turini, N. Ukegawa, F. Uozumi, S. Varganov, A. Vataga, E. Vazquez, F. Velev, G. Vellidis, C. Vidal, M. Vila, I. Vilar, R. Vogel, M. Volpi, G. Wagner, P. Wagner, R. L. Wakisaka, T. Wallny, R. Wang, S. M. Warburton, A. Waters, D. Weinberger, M. Wester, W. C., III Whitehouse, B. Whiteson, D. Wicklund, A. B. Wicklund, E. Wilbur, S. Wick, F. Williams, H. H. Wilson, J. S. Wilson, P. Winer, B. L. Wittich, P. Wolbers, S. Wolfe, H. Wright, T. Wu, X. Wu, Z. Yamamoto, K. Yamaoka, J. Yang, T. Yang, U. K. Yang, Y. C. Yao, W. -M. Yeh, G. P. Yi, K. Yoh, J. Yorita, K. Yoshida, T. Yu, G. B. Yu, I. Yu, S. S. Yun, J. C. Zanetti, A. Zeng, Y. Zucchelli, S. CA CDF Collaboration TI Search for a Heavy Toplike Quark in p(p)over-bar Collisions at root s=1.96 TeV SO PHYSICAL REVIEW LETTERS LA English DT Article ID TOP-QUARK; GENERATION; HIGGS AB We present the results of a search for pair production of a heavy toplike (t') quark decaying to Wq final states using data corresponding to an integrated luminosity of 5.6 fb(-1) collected by the CDF II detector in p (p) over bar collisions at root s = 1.96 TeV. We perform parallel searches for t' -> Wb and t' -> Wq (where q is a generic down-type quark) in events containing a lepton and four or more jets. By performing a fit to the two-dimensional distribution of total transverse energy versus reconstructed t' quark mass, we set upper limits on the t'(t) over bar' production cross section and exclude a standard model fourth-generation t' quark decaying to Wb (Wq) with mass below 358 (340) GeV/c(2) at 95% C. L. C1 [Aaltonen, T.; Brucken, E.; Devoto, F.; Mehtala, P.; Orava, R.] Univ Helsinki, Dept Phys, Div High Energy Phys, FIN-00014 Helsinki, Finland. [Aaltonen, T.; Brucken, E.; Devoto, F.; Mehtala, P.; Orava, R.] Helsinki Inst Phys, FIN-00014 Helsinki, Finland. [Carrillo, S.; Chen, Y. C.; Hou, S.; Mitra, A.; Teng, P. K.; Wang, S. M.] Acad Sinica, Inst Phys, Taipei 11529, Taiwan. [LeCompte, T.; Nodulman, L.; Paramonov, A. A.; Wicklund, A. B.] Argonne Natl Lab, Argonne, IL 60439 USA. [Giakoumopoulou, V.; Giokaris, N.; Manousakis-Katsikakis, A.; Vellidis, C.] Univ Athens, GR-15771 Athens, Greece. 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S.; Norniella, O.; Pitts, K.; Rogers, E.; Sfyrla, A.; Thompson, G. A.] Univ Illinois, Urbana, IL 61801 USA. [Barnett, B. A.; Behari, S.; Blumenfeld, B.; Giurgiu, G.; Maksimovic, P.; Mathis, M.] Johns Hopkins Univ, Baltimore, MD 21218 USA. [Feindt, M.; Heck, M.; Horn, D.; Kreps, M.; Kuhr, T.; Lueck, J.; Marino, C.; Morlock, J.; Muller, Th.; Schmidt, A.; Wick, F.] Karlsruhe Inst Technol, Inst Expt Kernphys, D-76131 Karlsruhe, Germany. [Cho, K.; Jeon, E. J.; Joo, K. K.; Kim, D. H.; Kim, H. S.; Kim, H. W.; Kim, J. E.; Kim, S. B.; Kong, D. J.; Lee, J. S.; Moon, C. S.; Oh, Y. D.; Uozumi, S.; Yang, Y. C.; Yu, I.] Kyungpook Natl Univ, Ctr High Energy Phys, Taegu 702701, South Korea. [Cho, K.; Jeon, E. J.; Joo, K. K.; Kim, D. H.; Kim, H. S.; Kim, H. W.; Kim, J. E.; Kim, S. B.; Kong, D. J.; Lee, J. S.; Moon, C. S.; Oh, Y. D.; Uozumi, S.; Yang, Y. C.; Yu, I.] Seoul Natl Univ, Seoul 151742, South Korea. [Cho, K.; Jeon, E. J.; Joo, K. K.; Kim, D. H.; Kim, H. S.; Kim, H. W.; Kim, J. E.; Kim, S. B.; Kong, D. J.; Lee, J. S.; Moon, C. S.; Oh, Y. D.; Uozumi, S.; Yang, Y. C.; Yu, I.] Sungkyunkwan Univ, Suwon 440746, South Korea. [Cho, K.; Jeon, E. J.; Joo, K. K.; Kim, D. H.; Kim, H. S.; Kim, H. W.; Kim, J. E.; Kim, S. B.; Kong, D. J.; Lee, J. S.; Moon, C. S.; Oh, Y. D.; Uozumi, S.; Yang, Y. C.; Yu, I.] Korea Inst Sci & Technol Informat, Taejon 305806, South Korea. [Cho, K.; Jeon, E. J.; Joo, K. K.; Kim, D. H.; Kim, H. S.; Kim, H. W.; Kim, J. E.; Kim, S. B.; Kong, D. J.; Lee, J. S.; Moon, C. S.; Oh, Y. D.; Uozumi, S.; Yang, Y. C.; Yu, I.] Chonnam Natl Univ, Kwangju 500757, South Korea. [Cho, K.; Jeon, E. J.; Joo, K. K.; Kim, D. H.; Kim, H. S.; Kim, H. W.; Kim, J. E.; Kim, S. B.; Kong, D. J.; Lee, J. S.; Moon, C. S.; Oh, Y. D.; Uozumi, S.; Yang, Y. C.; Yu, I.] Chonbuk Natl Univ, Jeonju 561756, South Korea. [Barbaro-Galtieri, A.; Cerri, A.; Fang, H. C.; Haber, C.; Lin, C. -J.; Lujan, P.; Lys, J.; Nielsen, J.; Yao, W. -M.] Ernest Orlando Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA. [D'Onofrio, M.; Manca, G.; McNulty, R.; Mehta, A.; Shears, T.] Univ Liverpool, Liverpool L69 7ZE, Merseyside, England. [Beecher, D.; Bizjak, I.; Cerrito, L.; Lancaster, M.; Nurse, E.; Waters, D.] UCL, London WC1E 6BT, England. [Calancha, C.; Fernandez, J. P.; Gonzalez, O.; Martinez-Ballarin, R.; Redondo, I.; Ttito-Guzman, P.; Vidal, M.] Ctr Invest Energet Medioambientales & Tecnol, E-28040 Madrid, Spain. [Bauer, G.; Gomez-Ceballos, G.; Goncharov, M.; Makhoul, K.; Paus, C.] MIT, Cambridge, MA 02139 USA. [Buzatu, A.; Hussain, N.; Sinervo, P.; Stelzer, B.; Stelzer-Chilton, O.; Warburton, A.] McGill Univ, Inst Particle Phys, Montreal, PQ H3A 2T8, Canada. [Buzatu, A.; Hussain, N.; Sinervo, P.; Stelzer, B.; Stelzer-Chilton, O.; Warburton, A.] Simon Fraser Univ, Burnaby, BC V5A 1S6, Canada. [Buzatu, A.; Hussain, N.; Sinervo, P.; Stelzer, B.; Stelzer-Chilton, O.; Warburton, A.] Univ Toronto, Toronto, ON M5S 1A7, Canada. [Buzatu, A.; Hussain, N.; Sinervo, P.; Stelzer, B.; Stelzer-Chilton, O.; Warburton, A.] TRIUMF, Vancouver, BC V6T 2A3, Canada. [Amidei, D.; Campbell, M.; Eppig, A.; Mietlicki, D.; Strycker, G. L.; Tecchio, M.; Varganov, A.; Wright, T.] Univ Michigan, Ann Arbor, MI 48109 USA. [Bromberg, C.; Campanelli, M.; Gunay-Unalan, Z.; Hussein, M.; Huston, J.; Tollefson, K.] Michigan State Univ, E Lansing, MI 48824 USA. [Shreyber, I.] Inst Theoret & Expt Phys, Moscow 117259, Russia. [Gold, M.; Gorelov, I.; Seidel, S.; Strologas, J.; Vogel, M.] Univ New Mexico, Albuquerque, NM 87131 USA. [Anastassov, A.; Schmitt, M.; Stentz, D.] Northwestern Univ, Evanston, IL 60208 USA. [Hughes, R. E.; Lannon, K.; Pilot, J.; Wilson, J. S.; Winer, B. L.; Wolfe, H.] Ohio State Univ, Columbus, OH 43210 USA. [Nakano, I.] Okayama Univ, Okayama 7008530, Japan. [Hamaguchi, A.; Kato, Y.; Okusawa, T.; Seiya, Y.; Wakisaka, T.; Yamamoto, K.; Yoshida, T.] Osaka City Univ, Osaka 588, Japan. [Azfar, F.; Farrington, S.; Hays, C.; Linacre, J.; Oakes, L.; Renton, P.] Univ Oxford, Oxford OX1 3RH, England. [Amerio, S.; Bauce, M.; Bisello, D.; Busetto, G.; Compostella, G.; d'Errico, M.; Dorigo, T.; Gresele, A.; Lazzizzera, I.; Lucchesi, D.; Pagan Griso, S.] Ist Nazl Fis Nucl, Sez Padova Trento, I-35131 Padua, Italy. [Bauce, M.; Bisello, D.; Busetto, G.; Compostella, G.; d'Errico, M.; Lucchesi, D.; Pagan Griso, S.] Univ Padua, I-35131 Padua, Italy. [Ciobanu, C. I.; Corbo, M.; d'Ascenzo, N.; Ershaidat, N.; Saveliev, V.; Savoy-Navarro, A.] Univ Paris 06, LPNHE, IN2P3, CNRS,UMR7585, F-75252 Paris, France. [Canepa, A.; Heinrich, J.; Keung, J.; Kroll, J.; Lipeles, E.; Lockyer, N. S.; Neu, C.; Pianori, E.; Rodriguez, T.; Thomson, E.; Tu, Y.; Wagner, P.; Whiteson, D.; Williams, H. H.] Univ Penn, Philadelphia, PA 19104 USA. [Barria, P.; Bedeschi, F.; Bellettini, G.; Bucciantonio, M.; Carosi, R.; Cavaliere, V.; Chiarelli, G.; Ciocci, M. A.; Crescioli, F.; Dell'Orso, M.; Di Canto, A.; Di Ruzza, B.; Donati, S.; Ferrazza, C.; Garosi, P.; Giannetti, P.; Giunta, M.; Introzzi, G.; Lami, S.; Latino, G.; Leo, S.; Leone, S.; Menzione, A.; Piacentino, G.; Punzi, G.; Ristori, L.; Ruffini, F.; Sartori, L.; Scribano, A.; Scuri, F.; Sforza, F.; Trovato, M.; Turini, N.; Vataga, E.; Volpi, G.] Ist Nazl Fis Nucl Pisa, I-56127 Pisa, Italy. [Bellettini, G.; Bucciantonio, M.; Crescioli, F.; Dell'Orso, M.; Di Canto, A.; Donati, S.; Leo, S.; Punzi, G.; Sforza, F.; Volpi, G.] Univ Pisa, I-56127 Pisa, Italy. [Barria, P.; Cavaliere, V.; Ciocci, M. A.; Garosi, P.; Latino, G.; Ruffini, F.; Scribano, A.; Turini, N.] Univ Siena, I-56127 Pisa, Italy. [Ferrazza, C.; Trovato, M.; Vataga, E.] Scuola Normale Super Pisa, I-56127 Pisa, Italy. [Boudreau, J.; Gibson, K.; Liu, C.; Rahaman, A.; Shepard, P. F.] Univ Pittsburgh, Pittsburgh, PA 15260 USA. [Apresyan, A.; Barnes, V. E.; Bortoletto, D.; Flanagan, G.; Garfinkel, A. F.; Jones, M.; Laasanen, A. T.; Liu, Q.; Margaroli, F.; Potamianos, K.; Ranjan, N.; Sedov, A.] Purdue Univ, W Lafayette, IN 47907 USA. [Bodek, A.; Budd, H. S.; Chung, Y. S.; de Barbaro, P.; Han, J. Y.; McFarland, K. S.; Sakumoto, W. K.] Univ Rochester, Rochester, NY 14627 USA. [Bhatti, A.; Demortier, L.; Gallinaro, M.; Goulianos, K.; Lungu, G.; Malik, S.; Mesropian, C.] Rockefeller Univ, New York, NY 10065 USA. [De Cecco, S.; Giagu, S.; Iori, M.; Mastrandrea, P.; Rescigno, M.] Ist Nazl Fis Nucl, Sez Roma 1, I-00185 Rome, Italy. [Giagu, S.; Iori, M.] Univ Roma La Sapienza, I-00185 Rome, Italy. [Halkiadakis, E.; Hare, D.; Hidas, D.; Lath, A.; Somalwar, S.] Rutgers State Univ, Piscataway, NJ 08855 USA. [Asaadi, J.; Aurisano, A.; Elagin, A.; Eusebi, R.; Goldin, D.; Kamon, T.; Khotilovich, V.; Krutelyov, V.; Lee, E.; Lee, S. W.; McIntyre, P.; Safonov, A.; Toback, D.; Weinberger, M.] Texas A&M Univ, College Stn, TX 77843 USA. [Cauz, D.; Pagliarone, C.; Pauletta, G.; Penzo, A.; Rossi, M.; Santi, L.; Totaro, P.; Zanetti, A.] Ist Nazl Fis Nucl Trieste Udine, I-34100 Trieste, Italy. [Pauletta, G.; Santi, L.; Totaro, P.] Univ Trieste Udine, I-33100 Udine, Italy. [Hara, K.; Kim, S. H.; Kurata, M.; Miyake, H.; Nagai, Y.; Sato, K.; Shimojima, M.; Sudo, Y.; Takemasa, K.; Takeuchi, Y.; Tomura, T.; Ukegawa, F.] Univ Tsukuba, Tsukuba, Ibaraki 305, Japan. [Hare, M.; Napier, A.; Rolli, S.; Sliwa, K.; Whitehouse, B.] Tufts Univ, Medford, MA 02155 USA. [Arisawa, T.; Ebina, K.; Kimura, N.; Kondo, K.; Naganoma, J.; Yorita, K.] Waseda Univ, Tokyo 169, Japan. [Harr, R. F.; Karchin, P. E.; Mattson, M. E.] Wayne State Univ, Detroit, MI 48201 USA. [Bellinger, J.; Carlsmith, D.; Chung, W. H.; Herndon, M.; Nett, J.; Pondrom, L.; Pursley, J.; Ramakrishnan, V.] Univ Wisconsin, Madison, WI 53706 USA. [Auerbach, B.; Almenar, C. Cuenca; Husemann, U.; Lockwitz, S.; Loginov, A.; Schmidt, M. P.; Stanitzki, M.] Yale Univ, New Haven, CT 06520 USA. RP Aaltonen, T (reprint author), Univ Helsinki, Dept Phys, Div High Energy Phys, FIN-00014 Helsinki, Finland. RI Amerio, Silvia/J-4605-2012; Punzi, Giovanni/J-4947-2012; Ruiz, Alberto/E-4473-2011; Zeng, Yu/C-1438-2013; Annovi, Alberto/G-6028-2012; Ivanov, Andrew/A-7982-2013; Warburton, Andreas/N-8028-2013; Kim, Soo-Bong/B-7061-2014; Lysak, Roman/H-2995-2014; De Cecco, Sandro/B-1016-2012; St.Denis, Richard/C-8997-2012; Robson, Aidan/G-1087-2011; manca, giulia/I-9264-2012; Piacentino, Giovanni/K-3269-2015; Martinez Ballarin, Roberto/K-9209-2015; Gorelov, Igor/J-9010-2015; Prokoshin, Fedor/E-2795-2012; Moon, Chang-Seong/J-3619-2014; Scodellaro, Luca/K-9091-2014; Grinstein, Sebastian/N-3988-2014; Paulini, Manfred/N-7794-2014; Russ, James/P-3092-2014; unalan, zeynep/C-6660-2015; Lazzizzera, Ignazio/E-9678-2015; Cabrera Urban, Susana/H-1376-2015; Garcia, Jose /H-6339-2015; ciocci, maria agnese /I-2153-2015; Cavalli-Sforza, Matteo/H-7102-2015; Chiarelli, Giorgio/E-8953-2012; Introzzi, Gianluca/K-2497-2015 OI Punzi, Giovanni/0000-0002-8346-9052; Ruiz, Alberto/0000-0002-3639-0368; Annovi, Alberto/0000-0002-4649-4398; Ivanov, Andrew/0000-0002-9270-5643; Warburton, Andreas/0000-0002-2298-7315; Piacentino, Giovanni/0000-0001-9884-2924; Martinez Ballarin, Roberto/0000-0003-0588-6720; Gorelov, Igor/0000-0001-5570-0133; Prokoshin, Fedor/0000-0001-6389-5399; Moon, Chang-Seong/0000-0001-8229-7829; Scodellaro, Luca/0000-0002-4974-8330; Grinstein, Sebastian/0000-0002-6460-8694; Paulini, Manfred/0000-0002-6714-5787; Russ, James/0000-0001-9856-9155; unalan, zeynep/0000-0003-2570-7611; Lazzizzera, Ignazio/0000-0001-5092-7531; ciocci, maria agnese /0000-0003-0002-5462; Chiarelli, Giorgio/0000-0001-9851-4816; Introzzi, Gianluca/0000-0002-1314-2580 FU U.S. Department of Energy; National Science Foundation; Italian Istituto Nazionale di Fisica Nucleare; Ministry of Education, Culture, Sports, Science and Technology of Japan; Natural Sciences and Engineering Research Council of Canada; National Science Council of the Republic of China; Swiss National Science Foundation; A.P. Sloan Foundation; Bundesministerium fur Bildung und Forschung, Germany; World Class University; National Research Foundation of Korea; Science and Technology Facilities Council; Royal Society, UK; Institut National de Physique Nucleaire et Physique des Particules/CNRS; Russian Foundation for Basic Research; Ministerio de Ciencia e Innovacion; Programa Consolider-Ingenio, Spain; Slovak RD Agency; Academy of Finland FX We thank the Fermilab staff and the technical staffs of the participating institutions for their vital contributions. This work was supported by the U.S. Department of Energy and National Science Foundation; the Italian Istituto Nazionale di Fisica Nucleare; the Ministry of Education, Culture, Sports, Science and Technology of Japan; the Natural Sciences and Engineering Research Council of Canada; the National Science Council of the Republic of China; the Swiss National Science Foundation; the A.P. Sloan Foundation; the Bundesministerium fur Bildung und Forschung, Germany; the World Class University Program, the National Research Foundation of Korea; the Science and Technology Facilities Council and the Royal Society, UK; the Institut National de Physique Nucleaire et Physique des Particules/CNRS; the Russian Foundation for Basic Research; the Ministerio de Ciencia e Innovacion, and Programa Consolider-Ingenio 2010, Spain; the Slovak R&D Agency; and the Academy of Finland. NR 33 TC 24 Z9 24 U1 2 U2 24 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 0031-9007 EI 1079-7114 J9 PHYS REV LETT JI Phys. Rev. Lett. PD DEC 23 PY 2011 VL 107 IS 26 AR 261801 DI 10.1103/PhysRevLett.107.261801 PG 8 WC Physics, Multidisciplinary SC Physics GA 869PG UT WOS:000298609600002 ER PT J AU Arik, M Aune, S Barth, K Belov, A Borghi, S Brauninger, H Cantatore, G Carmona, JM Cetin, SA Collar, JI Dafni, T Davenport, M Eleftheriadis, C Elias, N Ezer, C Fanourakis, G Ferrer-Ribas, E Friedrich, P Galan, J Garcia, JA Gardikiotis, A Gazis, EN Geralis, T Giomataris, I Gninenko, S Gomez, H Gruber, E Guthorl, T Hartmann, R Haug, F Hasinoff, MD Hoffmann, DHH Iguaz, FJ Irastorza, IG Jacoby, J Jakovcic, K Karuza, M Konigsmann, K Kotthaus, R Krcmar, M Kuster, M Lakic, B Laurent, JM Liolios, A Ljubicic, A Lozza, V Lutz, G Luzon, G Morales, J Niinikoski, T Nordt, A Papaevangelou, T Pivovaroff, MJ Raffelt, G Rashba, T Riege, H Rodriguez, A Rosu, M Ruz, J Savvidis, I Silva, PS Solanki, SK Stewart, L Tomas, A Tsagri, M van Bibber, K Vafeiadis, T Villar, JA Vogel, JK Yildiz, SC Zioutas, K AF Arik, M. Aune, S. Barth, K. Belov, A. Borghi, S. Braeuninger, H. Cantatore, G. Carmona, J. M. Cetin, S. A. Collar, J. I. Dafni, T. Davenport, M. Eleftheriadis, C. Elias, N. Ezer, C. Fanourakis, G. Ferrer-Ribas, E. Friedrich, P. Galan, J. Garcia, J. A. Gardikiotis, A. Gazis, E. N. Geralis, T. Giomataris, I. Gninenko, S. Gomez, H. Gruber, E. Guthoerl, T. Hartmann, R. Haug, F. Hasinoff, M. D. Hoffmann, D. H. H. Iguaz, F. J. Irastorza, I. G. Jacoby, J. Jakovcic, K. Karuza, M. Koenigsmann, K. Kotthaus, R. Krcmar, M. Kuster, M. Lakic, B. Laurent, J. M. Liolios, A. Ljubicic, A. Lozza, V. Lutz, G. Luzon, G. Morales, J. Niinikoski, T. Nordt, A. Papaevangelou, T. Pivovaroff, M. J. Raffelt, G. Rashba, T. Riege, H. Rodriguez, A. Rosu, M. Ruz, J. Savvidis, I. Silva, P. S. Solanki, S. K. Stewart, L. Tomas, A. Tsagri, M. van Bibber, K. Vafeiadis, T. Villar, J. A. Vogel, J. K. Yildiz, S. C. Zioutas, K. CA CAST Collaboration TI Search for Sub-eV Mass Solar Axions by the CERN Axion Solar Telescope with He-3 Buffer Gas SO PHYSICAL REVIEW LETTERS LA English DT Article ID STRONG CP PROBLEM; COHERENT CONVERSION; INVISIBLE AXION; MAGNETIC-FIELD; CAST; INVARIANCE; DETECTOR; PHOTONS AB The CERN Axion Solar Telescope (CAST) has extended its search for solar axions by using He-3 as a buffer gas. At T = 1.8 K this allows for larger pressure settings and hence sensitivity to higher axion masses than our previous measurements with He-4. With about 1 h of data taking at each of 252 different pressure settings we have scanned the axion mass range 0.39 eV less than or similar to m(a) less than or similar to 0.64 eV. From the absence of excess x rays when the magnet was pointing to the Sun we set a typical upper limit on the axion-photon coupling of g(a gamma) less than or similar to 2.3 X 10(-10) GeV-1 at 95% C.L., the exact value depending on the pressure setting. Kim-Shifman-Vainshtein-Zakharov axions are excluded at the upper end of our mass range, the first time ever for any solar axion search. In the future we will extend our search to m(a) less than or similar to 1.15 eV, comfortably overlapping with cosmological hot dark matter bounds. C1 [Jakovcic, K.; Krcmar, M.; Lakic, B.; Ljubicic, A.] Rudjer Boskovic Inst, Zagreb, Croatia. [Arik, M.; Cetin, S. A.; Ezer, C.; Yildiz, S. C.] Dogus Univ, Istanbul, Turkey. [Aune, S.; Ferrer-Ribas, E.; Giomataris, I.; Papaevangelou, T.] CEA Saclay, IRFU, F-91191 Gif Sur Yvette, France. [Barth, K.; Borghi, S.; Davenport, M.; Elias, N.; Haug, F.; Laurent, J. M.; Niinikoski, T.; Ruz, J.; Silva, P. S.; Stewart, L.; Vafeiadis, T.; Zioutas, K.] European Org Nucl Res CERN, Geneva, Switzerland. [Belov, A.; Gninenko, S.] Russian Acad Sci, Inst Nucl Res, Moscow, Russia. [Braeuninger, H.; Friedrich, P.; Kuster, M.; Nordt, A.] Max Planck Inst Extraterr Phys, D-37075 Garching, Germany. [Cantatore, G.; Karuza, M.; Lozza, V.] Ist Nazl Fis Nucl, Sez Trieste, Trieste, Italy. [Cantatore, G.; Karuza, M.; Lozza, V.] Univ Trieste, Trieste, Italy. [Carmona, J. M.; Dafni, T.; Galan, J.; Garcia, J. A.; Gomez, H.; Iguaz, F. J.; Irastorza, I. G.; Luzon, G.; Morales, J.; Rodriguez, A.; Ruz, J.; Tomas, A.; Villar, J. A.] Univ Zaragoza, Lab Fis Nucl & Astroparticulas, Zaragoza, Spain. [Collar, J. I.] Univ Chicago, Enrico Fermi Inst, Chicago, IL 60637 USA. [Collar, J. I.] Univ Chicago, KICP, Chicago, IL 60637 USA. [Eleftheriadis, C.; Liolios, A.; Savvidis, I.; Vafeiadis, T.] Aristotle Univ Thessaloniki, GR-54006 Thessaloniki, Greece. [Fanourakis, G.; Geralis, T.] Natl Ctr Sci Res Demokritos, Athens, Greece. [Gardikiotis, A.; Tsagri, M.; Vafeiadis, T.; Zioutas, K.] Univ Patras, Dept Phys, GR-26110 Patras, Greece. [Gazis, E. N.] Natl Tech Univ Athens, Athens, Greece. [Gruber, E.; Guthoerl, T.; Koenigsmann, K.; Vogel, J. K.] Univ Freiburg, D-79106 Freiburg, Germany. [Hartmann, R.; Lutz, G.] MPI Halbleiterlab, Munich, Germany. [Hasinoff, M. D.] Univ British Columbia, Dept Phys & Astron, Vancouver, BC V5Z 1M9, Canada. [Hoffmann, D. H. H.; Kuster, M.; Nordt, A.; Riege, H.; Rosu, M.] Tech Univ Darmstadt, IKP, Darmstadt, Germany. [Jacoby, J.] Goethe Univ Frankfurt, Inst Angew Phys, D-6000 Frankfurt, Germany. [Kotthaus, R.; Raffelt, G.] Max Planck Inst Phys & Astrophys, Werner Heisenberg Inst, D-80805 Munich, Germany. [Pivovaroff, M. J.; van Bibber, K.; Vogel, J. K.] Lawrence Livermore Natl Lab, Livermore, CA USA. [Rashba, T.; Solanki, S. K.] Max Planck Inst Sonnensyst Forsch, D-37191 Katlenburg Lindau, Germany. RP Lakic, B (reprint author), Rudjer Boskovic Inst, Zagreb, Croatia. EM Biljana.Lakic@irb.hr RI Irastorza, Igor/B-2085-2012; Carmona, Jose/H-3732-2015; Dafni, Theopisti /J-9646-2012; Solanki, Sami/E-2487-2013; Galan, Javier/F-7986-2016; Papaevangelou, Thomas/G-2482-2016; Iguaz Gutierrez, Francisco Jose/F-4117-2016; Kuster, Markus/C-5742-2014; Villar, Jose Angel/K-6630-2014; Pivovaroff, Michael/M-7998-2014 OI Irastorza, Igor/0000-0003-1163-1687; Carmona, Jose/0000-0003-2264-2306; Dafni, Theopisti /0000-0002-8921-910X; Solanki, Sami/0000-0002-3418-8449; Galan, Javier/0000-0001-7529-9834; Papaevangelou, Thomas/0000-0003-2829-9158; Iguaz Gutierrez, Francisco Jose/0000-0001-6327-9369; Lozza, Valentina/0000-0002-9521-8517; Villar, Jose Angel/0000-0003-0228-7589; Pivovaroff, Michael/0000-0001-6780-6816 FU NSERC (Canada); MSES (Croatia) [098-0982887-2872]; CEA (France); BMBF (Germany) [05 CC2EEA/9, 05 CC1RD1/0]; DFG (Germany) [HO 1400/7-1, EXC-153]; Virtuelles Institut fur Dunkle Materie und Neutrinos-VIDMAN (Germany); GSRT (Greece); RFFR (Russia); Spanish Ministry of Science and Innovation (MICINN) [FPA2007-62833, FPA2008-03456]; Turkish Atomic Energy Authority (TAEK); NSF (USA) [0239812]; U.S. Department of Energy; NASA [NAG5-10842]; U.S. Department of Energy by Lawrence Livermore National Laboratory [DE-AC52-07NA27344]; [RII3-CT-2003-506222] FX We thank CERN for hosting the experiment and for the technical support to operate the magnet and cryogenics. We thank the CERN CFD team for their essential contribution to the CFD work. We acknowledge support from NSERC (Canada), MSES (Croatia) under Grant No. 098-0982887-2872, CEA (France), BMBF (Germany) under Grants No. 05 CC2EEA/9 and No. 05 CC1RD1/0 and DFG (Germany) under Grants No. HO 1400/7-1 and No. EXC-153, the Virtuelles Institut fur Dunkle Materie und Neutrinos-VIDMAN (Germany), GSRT (Greece), RFFR (Russia), the Spanish Ministry of Science and Innovation (MICINN) under Grants No. FPA2007-62833 and No. FPA2008-03456, Turkish Atomic Energy Authority (TAEK), NSF (USA) under No. 0239812, U.S. Department of Energy, NASA under Grant No. NAG5-10842. Part of this work was performed under the auspices of the U.S. Department of Energy by Lawrence Livermore National Laboratory under Contract No. DE-AC52-07NA27344. We acknowledge the helpful discussions within the network on direct dark matter detection of the ILIAS integrating activity (Contract No. RII3-CT-2003-506222). NR 36 TC 44 Z9 44 U1 0 U2 13 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 0031-9007 J9 PHYS REV LETT JI Phys. Rev. Lett. PD DEC 23 PY 2011 VL 107 IS 26 AR 261302 DI 10.1103/PhysRevLett.107.261302 PG 5 WC Physics, Multidisciplinary SC Physics GA 869PG UT WOS:000298609600001 PM 22243149 ER PT J AU Dhaka, RS Liu, C Fernandes, RM Jiang, R Strehlow, CP Kondo, T Thaler, A Schmalian, J Bud'ko, SL Canfield, PC Kaminski, A AF Dhaka, R. S. Liu, Chang Fernandes, R. M. Jiang, Rui Strehlow, C. P. Kondo, Takeshi Thaler, A. Schmalian, Joerg Bud'ko, S. L. Canfield, P. C. Kaminski, Adam TI What Controls the Phase Diagram and Superconductivity in Ru-Substituted BaFe2As2? SO PHYSICAL REVIEW LETTERS LA English DT Article AB We use high resolution angle-resolved photoemission to study the electronic structure of the iron based high-temperature superconductors Ba(Fe1-xRux)(2)As-2 as a function of Ru concentration. We find that substitution of Ru for Fe is isoelectronic, i.e., it does not change the value of the chemical potential. More interestingly, there are no measured, significant changes in the shape of the Fermi surface or in the Fermi velocity over a wide range of substitution levels (0 < x < 0.55). Given that the suppression of the antiferromagnetic and structural phase is associated with the emergence of the superconducting state, Ru substitution must achieve this via a mechanism that does not involve changes of the Fermi surface. We speculate that this mechanism relies on magnetic dilution which leads to the reduction of the effective Stoner enhancement. C1 [Dhaka, R. S.] US DOE, Ames Lab, Div Engn & Mat Sci, Ames, IA 50011 USA. Iowa State Univ, Dept Phys & Astron, Ames, IA 50011 USA. RP Dhaka, RS (reprint author), US DOE, Ames Lab, Div Engn & Mat Sci, Ames, IA 50011 USA. EM rsdhaka@ameslab.gov; kaminski@ameslab.gov RI Schmalian, Joerg/H-2313-2011; Dhaka, Rajendra/F-9018-2011; Fernandes, Rafael/E-9273-2010; Dhaka, Rajendra/C-2486-2013; Canfield, Paul/H-2698-2014; Thaler, Alexander/J-5741-2014; Kondo, Takeshi/H-2680-2016 OI Thaler, Alexander/0000-0001-5066-8904; FU Department of Energy - Basic Energy Sciences [DE-AC02-07CH11358]; Office of Science, Office of Basic Energy Sciences, of the U.S. Department of Energy [DE-AC02-05CH11231]; National Science Foundation [DMR-0537588] FX We thank Sung-Kwan Mo for his excellent instrumental support at the ALS. The Ames Laboratory is supported by the Department of Energy - Basic Energy Sciences under Contract No. DE-AC02-07CH11358. The Advanced Light Source is supported by the Director, Office of Science, Office of Basic Energy Sciences, of the U.S. Department of Energy under Contract No. DE-AC02-05CH11231. SRC is supported by the National Science Foundation under Grant No. DMR-0537588. NR 48 TC 46 Z9 46 U1 2 U2 28 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 0031-9007 J9 PHYS REV LETT JI Phys. Rev. Lett. PD DEC 23 PY 2011 VL 107 IS 26 AR 267002 DI 10.1103/PhysRevLett.107.267002 PG 5 WC Physics, Multidisciplinary SC Physics GA 869PG UT WOS:000298609600007 PM 22243178 ER PT J AU Dimonte, G Terrones, G Cherne, FJ Germann, TC Dupont, V Kadau, K Buttler, WT Oro, DM Morris, C Preston, DL AF Dimonte, Guy Terrones, G. Cherne, F. J. Germann, T. C. Dupont, V. Kadau, K. Buttler, W. T. Oro, D. M. Morris, C. Preston, D. L. TI Use of the Richtmyer-Meshkov Instability to Infer Yield Stress at High-Energy Densities SO PHYSICAL REVIEW LETTERS LA English DT Article ID STABILITY; DYNAMICS; SURFACES AB We use the Richtmyer-Meshkov instability (RMI) at a metal-gas interface to infer the metal's yield stress (Y) under shock loading and release. We first model how Y stabilizes the RMI using hydrodynamics simulations with a perfectly plastic constitutive relation for copper (Cu). The model is then tested with molecular dynamics (MD) of crystalline Cu by comparing the inferred Y from RMI simulations with direct stress-strain calculations, both with MD at the same conditions. Finally, new RMI experiments with solid Cu validate our simulation-based model and infer Y similar to 0.47 GPa for a 36 GPa shock. C1 [Dimonte, Guy; Terrones, G.; Cherne, F. J.; Germann, T. C.; Dupont, V.; Kadau, K.; Buttler, W. T.; Oro, D. M.; Morris, C.; Preston, D. L.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA. RP Dimonte, G (reprint author), Los Alamos Natl Lab, POB 1663, Los Alamos, NM 87545 USA. RI Rollin, Virginie/G-5147-2010; OI Rollin, Virginie/0000-0003-2572-5967; Terrones, Guillermo/0000-0001-8245-5022; Germann, Timothy/0000-0002-6813-238X; Morris, Christopher/0000-0003-2141-0255; Cherne, Frank/0000-0002-8589-6058 FU U.S. Department of Energy by Los Alamos National Laboratory [DE-AC52-06NA2-5396] FX We thank A. R. Piriz and K. O. Mikaelian for useful discussions and D. Tupa for fielding LDV. This work was performed for the U.S. Department of Energy by Los Alamos National Laboratory under Contract No. DE-AC52-06NA2-5396. NR 19 TC 28 Z9 29 U1 2 U2 29 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 0031-9007 J9 PHYS REV LETT JI Phys. Rev. Lett. PD DEC 23 PY 2011 VL 107 IS 26 AR 264502 DI 10.1103/PhysRevLett.107.264502 PG 4 WC Physics, Multidisciplinary SC Physics GA 869PG UT WOS:000298609600003 PM 22243159 ER PT J AU Jacobson, AR Shao, XM Holzworth, RH AF Jacobson, Abram R. Shao, Xuan-Min Holzworth, Robert H. TI Satellite triangulation of thunderstorms, from fading radio fields synchronously recorded on two orthogonal antennas SO RADIO SCIENCE LA English DT Article ID TRANSIONOSPHERIC PULSE PAIRS; LIGHTNING DETECTION NETWORK; OPTICAL TRANSIENT DETECTOR; FORTE SATELLITE; POLARIZATION OBSERVATIONS; UNITED-STATES; VHF EMISSIONS; NEW-MEXICO; FREQUENCY; SIGNALS AB Single-satellite observations of lightning radio emissions normally do not independently provide useful thunderstorm location. The scientific value of these radio waveform recordings is greatly enhanced by knowing at least the approximate location of the source thunderstorm. Since the Very High Frequency radio emissions from lightning are always broadband and usually incoherent, radio interferometry is an obvious approach to direction-finding the source. However, radio-interferometry requires separated, deployed antennas, and for decametric radio waves, success with interferometric direction-finding on a satellite has not yet been reported. We describe a method for approximate location of source thunderstorms, using the statistical fading of the received electric field on two orthogonal, but co-located, antennas. The method is based on previous work geolocating polarized sources, and we show that it can be adapted efficiently to unpolarized radio fields, which constitute the majority of lightning emissions. We implement the method with dual-antenna radio recordings from the FORTE satellite, and demonstrate its capabilities using a wide variety of radio data. C1 [Jacobson, Abram R.; Holzworth, Robert H.] Univ Washington, Dept Earth & Space Sci, Seattle, WA 98195 USA. [Shao, Xuan-Min] Los Alamos Natl Lab, Grp ISR 2, Los Alamos, NM 87545 USA. RP Jacobson, AR (reprint author), Univ Washington, Dept Earth & Space Sci, Seattle, WA 98195 USA. EM abramj@u.washington.edu FU Defense Advanced Research Agency; National Science Foundation [0947130]; United States Department of Energy; FORTE flight-operations team FX ARJ and RHH at the University of Washington have been supported in this work by the Defense Advanced Research Agency's NIMBUS program, led by Matthew Goodman, and by the National Science Foundation through proposal 0947130, Dark Lightning, administered by Chungu Lu. X-MS at the Los Alamos National Laboratory has been supported by the United States Department of Energy. None of this work would have been possible without the diligent support of the FORTE flight-operations team, led by Diane Roussel-Dupre and Phillip Klingner. NR 56 TC 1 Z9 1 U1 0 U2 3 PU AMER GEOPHYSICAL UNION PI WASHINGTON PA 2000 FLORIDA AVE NW, WASHINGTON, DC 20009 USA SN 0048-6604 EI 1944-799X J9 RADIO SCI JI Radio Sci. PD DEC 23 PY 2011 VL 46 AR RS6012 DI 10.1029/2011RS004783 PG 17 WC Astronomy & Astrophysics; Geochemistry & Geophysics; Meteorology & Atmospheric Sciences; Remote Sensing; Telecommunications SC Astronomy & Astrophysics; Geochemistry & Geophysics; Meteorology & Atmospheric Sciences; Remote Sensing; Telecommunications GA 868CY UT WOS:000298502500001 ER PT J AU Kelch, BA Makino, DL O'Donnell, M Kuriyan, J AF Kelch, Brian A. Makino, Debora L. O'Donnell, Mike Kuriyan, John TI How a DNA Polymerase Clamp Loader Opens a Sliding Clamp SO SCIENCE LA English DT Article ID ACCESSORY PROTEIN COMPLEX; ESCHERICHIA-COLI; CRYSTAL-STRUCTURE; III HOLOENZYME; PROCESSIVITY FACTOR; REPLICATION SYSTEM; DELTA-SUBUNIT; GAMMA-COMPLEX; ATP BINDING; MECHANISM AB Processive chromosomal replication relies on sliding DNA clamps, which are loaded onto DNA by pentameric clamp loader complexes belonging to the AAA+ family of adenosine triphosphatases (ATPases). We present structures for the ATP-bound state of the clamp loader complex from bacteriophage T4, bound to an open clamp and primer-template DNA. The clamp loader traps a spiral conformation of the open clamp so that both the loader and the clamp match the helical symmetry of DNA. One structure reveals that ATP has been hydrolyzed in one subunit and suggests that clamp closure and ejection of the loader involves disruption of the ATP-dependent match in symmetry. The structures explain how synergy among the loader, the clamp, and DNA can trigger ATP hydrolysis and release of the closed clamp on DNA. C1 [Kelch, Brian A.; Makino, Debora L.; Kuriyan, John] Univ Calif Berkeley, Dept Mol & Cell Biol, Berkeley, CA 94720 USA. [Kelch, Brian A.; Makino, Debora L.; Kuriyan, John] Univ Calif Berkeley, Calif Inst Quantitat Biosci, Berkeley, CA 94720 USA. [O'Donnell, Mike] Rockefeller Univ, Howard Hughes Med Inst, New York, NY 10021 USA. [Kuriyan, John] Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA. [Kuriyan, John] Univ Calif Berkeley, Howard Hughes Med Inst, Berkeley, CA 94720 USA. [Kuriyan, John] Lawrence Berkeley Natl Lab, Phys Biosci Div, Berkeley, CA 94720 USA. RP Kuriyan, J (reprint author), Univ Calif Berkeley, Dept Mol & Cell Biol, Berkeley, CA 94720 USA. EM kuriyan@berkeley.edu OI O'Donnell, Michael/0000-0001-9002-4214 FU U.S. Department of Energy [DE-AC03-76SF00098]; NIH [F32-087888, R01-GM308839, R01-GM45547] FX We thank K. Morikawa for providing the molecular envelope from the electron microscopic reconstruction of the archaeal clamp loader complex, P. von Hippel, S. Tsutakawa, and S. Benkovic as well as Kuriyan lab members for helpful discussions. We thank K. Engel for creating Fig. 6, K. Simonetta for providing E. coli clamp loader protein for ADP-BeFx titrations, and the staff at Beamlines 8.2.1, 8.2.2 and 8.3.1 of the Advanced Light Source, which is supported by U.S. Department of Energy under contract DE-AC03-76SF00098. This work was partially supported by NIH grants F32-087888 (B. K.), R01-GM308839 (M. OD.), and R01-GM45547 (J.K.). The authors declare no conflict of interest. B. K., D. M. and J.K. designed experiments. B. K. and D. M. performed experiments. B. K., D. M., M. OD., and J.K. analyzed the data. B. K. and J.K. wrote the paper. Coordinates and structure factors have been deposited in the Protein Data Bank with accession codes 3U5Z, 3U60, and 3U61 for crystal forms I, II, and III, respectively. NR 44 TC 72 Z9 73 U1 4 U2 21 PU AMER ASSOC ADVANCEMENT SCIENCE PI WASHINGTON PA 1200 NEW YORK AVE, NW, WASHINGTON, DC 20005 USA SN 0036-8075 J9 SCIENCE JI Science PD DEC 23 PY 2011 VL 334 IS 6063 BP 1675 EP 1680 DI 10.1126/science.1211884 PG 6 WC Multidisciplinary Sciences SC Science & Technology - Other Topics GA 865XK UT WOS:000298344000059 PM 22194570 ER PT J AU Carothers, JM Goler, JA Juminaga, D Keasling, JD AF Carothers, James M. Goler, Jonathan A. Juminaga, Darmawi Keasling, Jay D. TI Model-Driven Engineering of RNA Devices to Quantitatively Program Gene Expression SO SCIENCE LA English DT Article ID SYNTHETIC BIOLOGY; RIBOZYMES; MOLECULES AB The models and simulation tools available to design functionally complex synthetic biological devices are very limited. We formulated a design-driven approach that used mechanistic modeling and kinetic RNA folding simulations to engineer RNA-regulated genetic devices that control gene expression. Ribozyme and metabolite-controlled, aptazyme-regulated expression devices with quantitatively predictable functions were assembled from components characterized in vitro, in vivo, and in silico. The models and design strategy were verified by constructing 28 Escherichia coli expression devices that gave excellent quantitative agreement between the predicted and measured gene expression levels (r = 0.94). These technologies were applied to engineer RNA-regulated controls in metabolic pathways. More broadly, we provide a framework for studying RNA functions and illustrate the potential for the use of biochemical and biophysical modeling to develop biological design methods. C1 [Carothers, James M.; Juminaga, Darmawi; Keasling, Jay D.] Univ Calif Berkeley, Calif Inst Quantitat Biosci, Berkeley, CA 94720 USA. [Carothers, James M.; Juminaga, Darmawi; Keasling, Jay D.] Joint Bioenergy Inst, Emeryville, CA 95608 USA. [Goler, Jonathan A.; Keasling, Jay D.] Univ Calif Berkeley, Synthet Biol Engn Res Ctr, Berkeley, CA 94720 USA. [Goler, Jonathan A.; Keasling, Jay D.] Univ Calif Berkeley, Dept Bioengn, Berkeley, CA 94720 USA. [Keasling, Jay D.] Univ Calif Berkeley, Dept Chem & Biomol Engn, Lawrence Berkeley Natl Lab, Berkeley & Phys Biosci Div, Berkeley, CA 94720 USA. RP Keasling, JD (reprint author), Univ Calif Berkeley, Calif Inst Quantitat Biosci, Berkeley, CA 94720 USA. EM keasling@berkeley.edu RI Keasling, Jay/J-9162-2012 OI Keasling, Jay/0000-0003-4170-6088 FU Synthetic Biology Engineering Research Center (SynBERC) through NSF [0540879]; JBEI through Lawrence Berkeley National Laboratory [DE-AC02-05CH11231]; JBEI through U.S. Department of Energy [DE-AC02-05CH11231]; Jane Coffin Childs Postdoctoral Fellowship FX Thanks to J. C. Anderson for the pLASC-lacpw plasmid; S. Lee and M. Hajimorad for technical advice; Y. Kapoor for technical assistance; and G. Bokinsky, W. Holtz, N. Hillson, and L. Katz for manuscript comments. D. J. and J. D. K. filed a provisional application for a U. S. Patent on the shikimate production module. Expression device sequences are presented in the supporting online material and in the Joint BioEnergy Institute (JBEI) Public Parts Registry at http://registry.jbei.org. Plasmids will be available from http://addgene.org upon publication. Supported by the Synthetic Biology Engineering Research Center (SynBERC) through NSF grant 0540879 and by JBEI through contract DE-AC02-05CH11231 between Lawrence Berkeley National Laboratory and the U.S. Department of Energy. J. M. C. was supported in part by a Jane Coffin Childs Postdoctoral Fellowship. NR 29 TC 95 Z9 99 U1 7 U2 79 PU AMER ASSOC ADVANCEMENT SCIENCE PI WASHINGTON PA 1200 NEW YORK AVE, NW, WASHINGTON, DC 20005 USA SN 0036-8075 J9 SCIENCE JI Science PD DEC 23 PY 2011 VL 334 IS 6063 BP 1716 EP 1719 DI 10.1126/science.1212209 PG 4 WC Multidisciplinary Sciences SC Science & Technology - Other Topics GA 865XK UT WOS:000298344000071 PM 22194579 ER PT J AU Lefevre, CT Menguy, N Abreu, F Lins, U Posfai, M Prozorov, T Pignol, D Frankel, RB Bazylinski, DA AF Lefevre, Christopher T. Menguy, Nicolas Abreu, Fernanda Lins, Ulysses Posfai, Mihaly Prozorov, Tanya Pignol, David Frankel, Richard B. Bazylinski, Dennis A. TI A Cultured Greigite-Producing Magnetotactic Bacterium in a Novel Group of Sulfate-Reducing Bacteria SO SCIENCE LA English DT Article ID CANDIDATUS MAGNETOGLOBUS-MULTICELLULARIS; MAGNETOSOME FORMATION; MAGNETITE FE3O4; FE3S4; BIOMINERALIZATION; PROKARYOTE; ULTRASTRUCTURE; CRYSTALS AB Magnetotactic bacteria contain magnetosomes-intracellular, membrane-bounded, magnetic nanocrystals of magnetite (Fe3O4) or greigite (Fe3S4)-that cause the bacteria to swim along geomagnetic field lines. We isolated a greigite-producing magnetotactic bacterium from a brackish spring in Death Valley National Park, California, USA, strain BW-1, that is able to biomineralize greigite and magnetite depending on culture conditions. A phylogenetic comparison of BW-1 and similar uncultured greigite- and/or magnetite-producing magnetotactic bacteria from freshwater to hypersaline habitats shows that these organisms represent a previously unknown group of sulfate-reducing bacteria in the Deltaproteobacteria. Genomic analysis of BW-1 reveals the presence of two different magnetosome gene clusters, suggesting that one may be responsible for greigite biomineralization and the other for magnetite. C1 [Bazylinski, Dennis A.] Univ Nevada, Sch Life Sci, Las Vegas, NV 89154 USA. [Lefevre, Christopher T.; Pignol, David] Inst Biol Environm & Biotechnol, Commissariat Energie Atom Cadarache, Lab Bioenerget Cellulaire, Direct Sci Vivant,UMR 6191, F-13108 St Paul Les Durance, France. [Lefevre, Christopher T.; Pignol, David] CNRS, Biol Vegetale & Microbiol Environm, UMR 6191, F-13108 St Paul Les Durance, France. [Lefevre, Christopher T.; Pignol, David] Univ Aix Marseille, F-13108 St Paul Les Durance, France. [Menguy, Nicolas] Univ Paris 06, Inst Mineral & Phys Milieux Condenses, CNRS, Inst Rech Dev 4,UMR 7590, F-75005 Paris, France. [Abreu, Fernanda; Lins, Ulysses] Univ Fed Rio de Janeiro, Inst Microbiol Prof Paulo de Goes, BR-21941590 Rio De Janeiro, Brazil. [Posfai, Mihaly] Univ Pannonia, Dept Earth & Environm Sci, H-8200 Veszprem, Hungary. [Prozorov, Tanya] US DOE, Ames Lab, Ames, IA 50011 USA. [Frankel, Richard B.] Calif Polytech State Univ San Luis Obispo, Dept Phys, San Luis Obispo, CA 93407 USA. RP Bazylinski, DA (reprint author), Univ Nevada, Sch Life Sci, Las Vegas, NV 89154 USA. EM dennis.bazylinski@unlv.edu RI Posfai, Mihaly/C-1792-2012; MENGUY, Nicolas/F-5607-2012; Lefevre, Christopher/H-6072-2013; Inbeb, Inct/K-2317-2013; Lins, Ulysses/N-7282-2015; OI Posfai, Mihaly/0000-0001-9355-3533; MENGUY, Nicolas/0000-0003-4613-2490; Lins, Ulysses/0000-0002-1786-1144; PIGNOL, David/0000-0002-8070-0319 FU U.S. National Science Foundation [EAR-0920718]; Fondation pour la Recherche Medicale [SPF20101220993]; U.S. Department of Energy, Basic Energy Sciences, Materials Sciences and Engineering Division; U.S. Department of Energy by Iowa State University [DE-AC02-07CH11358] FX This work was partially supported by U.S. National Science Foundation grant EAR-0920718 (D. A. B.) and by a grant from the Fondation pour la Recherche Medicale SPF20101220993 (C. T. L.). Part of the transmission electron microscopy characterization was carried out in Ames Lab and was supported by the U.S. Department of Energy, Basic Energy Sciences, Materials Sciences and Engineering Division. The Ames Laboratory is operated for the U.S. Department of Energy by Iowa State University under contract DE-AC02-07CH11358. We thank F. Mahlaoui and M. L. Schmidt for help with sampling; the National Park Service staff of Death Valley National Park; and the team at the Laboratorio de Bioinformatica, Laboratorio Nacional de Computacao Cientifica, Rio de Janeiro, Brazil, for their help in the sequencing and annotation of the genome of strain BW-1. Samples at Death Valley National Park were collected under Sampling Permit DEVA-2010-SCI-0038 issued by the U. S. Department of the Interior National Park Service. 16S rRNA gene sequences (accession nos. JN015483 to JN015507, JN252194, and JN25219), gene for adenosine-5'-phosphate reductase (aprA; JN705544) and mam genes of BW-1 (JN830627 to JN830646 and JN845570 to JN845575) are published in GenBank. Strain BW-1 has been deposited to the Japan Collection of Microorganisms, RIKEN BioResource Center under the provisional name Candidatus Desulfamplus magnetomortis and carries accession no. JCM 18010. NR 28 TC 88 Z9 91 U1 7 U2 96 PU AMER ASSOC ADVANCEMENT SCIENCE PI WASHINGTON PA 1200 NEW YORK AVE, NW, WASHINGTON, DC 20005 USA SN 0036-8075 J9 SCIENCE JI Science PD DEC 23 PY 2011 VL 334 IS 6063 BP 1720 EP 1723 DI 10.1126/science.1212596 PG 4 WC Multidisciplinary Sciences SC Science & Technology - Other Topics GA 865XK UT WOS:000298344000072 PM 22194580 ER PT J AU Klippenstein, SJ Georgievskii, Y Harding, LB AF Klippenstein, Stephen J. Georgievskii, Yuri Harding, Lawrence B. TI Statistical Theory for the Kinetics and Dynamics of Roaming Reactions SO JOURNAL OF PHYSICAL CHEMISTRY A LA English DT Article ID UNIMOLECULAR BOND FISSION; TRANSITION-STATE THEORY; POTENTIAL-ENERGY SURFACE; TRAJECTORY CALCULATIONS; ADIABATIC CHANNEL; THERMAL-DECOMPOSITION; VALENCE INTERACTIONS; RATE CONSTANTS; LINEAR ROTORS; REACTION-PATH AB We present a statistical theory for the effect of roaming pathways on product branching fractions in both unimolecular and bimolecular reactions. The analysis employs a separation into three distinct steps: (i) the formation of weakly interacting fragments in the long-range/van der Waals region of the potential via either partial decomposition (for unimolecular reactants) or partial association (for bimolecular reactants), (ii) the roaming step, which involves the reorientation of the fragments from one region of the long-range potential to another, and (iii) the abstraction, addition, and/or decomposition from the long-range region to yield final products. The branching between the roaming induced channel(s) and other channels is obtained from a steady-state kinetic analysis for the two (or more) intermediates in the long-range region of the potential. This statistical theory for the roaming-induced product branching is illustrated through explicit comparisons with reduced dimension trajectory simulations for the decompositions of H(2)CO, CH(3)CHO, CH(3)OOH, and CH(3)CCH. These calculations employ high-accuracy analytic potentials obtained from fits to wide-ranging CASPT2 ab initio electronic structure calculations. The transition-state fluxes for the statistical theory calculations are obtained from generalizations of the variable reaction coordinate transition state theory approach. In each instance, at low energy the statistical analysis accurately reproduces the branching obtained from the trajectory simulations. At higher energies, e.g., above 1 kcal/mol, increasingly large discrepancies arise, apparently due to a dynamical biasing toward continued decomposition of the incipient molecular fragments (for unimolecular reactions). Overall, the statistical theory based kinetic analysis is found to provide a useful framework for interpreting the factors that determine the significance of roaming pathways in varying chemical environments. C1 [Klippenstein, Stephen J.; Georgievskii, Yuri; Harding, Lawrence B.] Argonne Natl Lab, Chem Sci & Engn Div, Argonne, IL 60439 USA. RP Klippenstein, SJ (reprint author), Argonne Natl Lab, Chem Sci & Engn Div, 9700 S Cass Ave, Argonne, IL 60439 USA. EM sjk@anl.gov OI Klippenstein, Stephen/0000-0001-6297-9187 FU U.S. Department of Energy, Office of Basic Energy Sciences, Division of Chemical Sciences, Geosciences and Biosciences [DE-AC02-06CH11357] FX This work was supported by the U.S. Department of Energy, Office of Basic Energy Sciences, Division of Chemical Sciences, Geosciences, and Biosciences, under Contract No. DE-AC02-06CH11357. Helpful discussions with Ahren Jasper are gratefully acknowledged. NR 51 TC 31 Z9 31 U1 2 U2 43 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 1089-5639 J9 J PHYS CHEM A JI J. Phys. Chem. A PD DEC 22 PY 2011 VL 115 IS 50 BP 14370 EP 14381 DI 10.1021/jp208347j PG 12 WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical SC Chemistry; Physics GA 860KN UT WOS:000297947300017 PM 22029474 ER PT J AU Diffenbaugh, NS Ashfaq, M Scherer, M AF Diffenbaugh, Noah S. Ashfaq, Moetasim Scherer, Martin TI Transient regional climate change: Analysis of the summer climate response in a high-resolution, century-scale ensemble experiment over the continental United States SO JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES LA English DT Article ID OKLAHOMA-TEXAS DROUGHT; SOIL-MOISTURE; GLOBAL CLIMATE; HEAT-WAVE; GREAT-PLAINS; CROP YIELDS; PRECIPITATION; VARIABILITY; TEMPERATURE; FREQUENCY AB Integrating the potential for climate change impacts on policy and planning decisions requires quantification of the emergence of subregional climate changes that could occur in response to transient changes in global radiative forcing. Here we report results from a high-resolution, century-scale ensemble simulation of climate in the United States, forced by atmospheric constituent concentrations from the Special Report on Emissions Scenarios A1B scenario. We find that 21st century summer warming permanently emerges beyond the baseline decadal-scale variability prior to 2020 over most areas of the continental United States. Permanent emergence beyond the baseline annual-scale variability shows much greater spatial heterogeneity, with emergence occurring prior to 2030 over areas of the southwestern United States but not prior to the end of the 21st century over much of the south central and southeastern United States. The pattern of emergence of robust summer warming contrasts with the pattern of summer warming magnitude, which is greatest over the central United States and smallest over the western United States. In addition to stronger warming, the central United States also exhibits stronger coupling of changes in surface air temperature, precipitation, and moisture and energy fluxes, along with changes in atmospheric circulation toward increased anticylonic anomalies in the midtroposphere and a poleward shift in the midlatitude jet aloft. However, as a fraction of the baseline variability, the transient warming over the central United States is smaller than the warming over the southwestern or northeastern United States, delaying the emergence of the warming signal over the central United States. Our comparisons with observations and the Coupled Model Intercomparison Project Phase 3 ensemble of global climate model experiments suggest that near-term global warming is likely to cause robust subregional-scale warming over areas that exhibit relatively little baseline variability. In contrast, where there is greater variability in the baseline climate dynamics there can be greater variability in the response to elevated greenhouse forcing, decreasing the robustness of the transient warming signal. C1 [Diffenbaugh, Noah S.; Ashfaq, Moetasim; Scherer, Martin] Stanford Univ, Woods Inst Environm, Stanford, CA 94305 USA. [Diffenbaugh, Noah S.; Ashfaq, Moetasim; Scherer, Martin] Stanford Univ, Dept Environm Earth Syst Sci, Stanford, CA 94305 USA. [Diffenbaugh, Noah S.; Ashfaq, Moetasim] Purdue Univ, Purdue Climate Change Res Ctr, W Lafayette, IN 47907 USA. [Diffenbaugh, Noah S.; Ashfaq, Moetasim] Purdue Univ, Dept Earth & Atmospher Sci, W Lafayette, IN 47907 USA. [Ashfaq, Moetasim] Oak Ridge Natl Lab, Oak Ridge, TN USA. RP Diffenbaugh, NS (reprint author), Stanford Univ, Woods Inst Environm, 473 Via Ortega, Stanford, CA 94305 USA. EM diffenbaugh@stanford.edu RI Diffenbaugh, Noah/I-5920-2014 OI Diffenbaugh, Noah/0000-0002-8856-4964 FU NSF [0541491, 0756624, 0955283]; NIH [S0183091]; DOE [DE-FG02-08ER64649, DE-SC0001483, ERKP777] FX We thank the three anonymous reviewers for their insightful and constructive comments. The CAM3 and RegCM3 simulations were generated, stored, and analyzed using computing resources provided by the Rosen Center for Advanced Computing (RCAC) at Purdue University and analyzed using computing resources provided by the Center for Computational Earth and Environmental Science (CEES) at Stanford University. We thank the NCAR CCSM3 Climate Change Working Group for access to the CCSM3 simulations at NCAR. We thank the modeling groups, WCRP's WGCM, PCMDI, and the U.S. DOE for enabling the CMIP3 archive. This work was supported by NSF awards 0541491, 0756624, and 0955283; NIH award S0183091; and DOE awards DE-FG02-08ER64649 and DE-SC0001483, along with DOE award ERKP777. NR 105 TC 16 Z9 16 U1 0 U2 27 PU AMER GEOPHYSICAL UNION PI WASHINGTON PA 2000 FLORIDA AVE NW, WASHINGTON, DC 20009 USA SN 2169-897X EI 2169-8996 J9 J GEOPHYS RES-ATMOS JI J. Geophys. Res.-Atmos. PD DEC 22 PY 2011 VL 116 AR D24111 DI 10.1029/2011JD016458 PG 16 WC Meteorology & Atmospheric Sciences SC Meteorology & Atmospheric Sciences GA 868AK UT WOS:000298495700004 ER PT J AU Berger, TK Isacoff, EY AF Berger, Thomas K. Isacoff, Ehud Y. TI The Pore of the Voltage-Gated Proton Channel SO NEURON LA English DT Article ID SHAKER K+ CHANNEL; GATING PORE; PERIODIC PARALYSIS; SODIUM-CHANNELS; ION-PERMEATION; NADPH OXIDASE; SENSOR REVEALS; HV1; DOMAIN; S4 AB In classical tetrameric voltage-gated ion channels four voltage-sensing domains (VSDs), one from each subunit, control one ion permeation pathway formed by four pore domains. The human Hv1 proton channel has a different architecture, containing a VSD, but lacking a pore domain. Since its location is not known, we searched for the Hv permeation pathway. We find that mutation of the S4 segment's third arginine R211 (R3) compromises proton selectivity, enabling conduction of a metal cation and even of the large organic cation guanidinium, reminiscent of Shaker's omega pore. In the open state, R3 appears to interact with an aspartate (D112) that is situated in the middle of Si and is unique to Hv channels. The double mutation of both residues further compromises cation selectivity. We propose that membrane depolarization reversibly positions R3 next to D112 in the transmembrane VSD to form the ion selectivity filter in the channel's open conformation. C1 [Berger, Thomas K.; Isacoff, Ehud Y.] Univ Calif Berkeley, Dept Mol & Cell Biol, Berkeley, CA 94720 USA. [Berger, Thomas K.; Isacoff, Ehud Y.] Univ Calif Berkeley, Helen Wills Neurosci Inst, Berkeley, CA 94720 USA. [Isacoff, Ehud Y.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Phys Biosci Div, Berkeley, CA 94720 USA. RP Isacoff, EY (reprint author), Univ Calif Berkeley, Dept Mol & Cell Biol, 142 Life Sci Addit, Berkeley, CA 94720 USA. EM ehud@berkeley.edu FU Swiss National Science Foundation (SNSF) [PBELP3-127855, PA00P3_134163]; National Institutes of Health [R01 NS35549] FX We would like to thank H. Okada and W. Chu for help with the cloning and the members of the Isacoff lab for discussion. This work was supported by post-doctoral fellowships for prospective and advanced researchers from the Swiss National Science Foundation (SNSF; PBELP3-127855 and PA00P3_134163) (T.K.B.) and by a grant from the National Institutes of Health (R01 NS35549) (E.Y.I.). NR 36 TC 29 Z9 29 U1 2 U2 14 PU CELL PRESS PI CAMBRIDGE PA 600 TECHNOLOGY SQUARE, 5TH FLOOR, CAMBRIDGE, MA 02139 USA SN 0896-6273 J9 NEURON JI Neuron PD DEC 22 PY 2011 VL 72 IS 6 BP 991 EP 1000 DI 10.1016/j.neuron.2011.11.014 PG 10 WC Neurosciences SC Neurosciences & Neurology GA 871XM UT WOS:000298771000013 PM 22196334 ER PT J AU Amiel, Y Rozenberg, GK Nissim, N Milner, A Pasternak, MP Hanfland, M Taylor, RD AF Amiel, Y. Rozenberg, G. Kh. Nissim, N. Milner, A. Pasternak, M. P. Hanfland, M. Taylor, R. D. TI Intricate relationship between pressure-induced electronic and structural transformations in FeCr2S4 SO PHYSICAL REVIEW B LA English DT Article ID ORDER-DISORDER TRANSITION; COLOSSAL-MAGNETORESISTANCE; CHALCOGENIDE SPINELS; MANGANITES; TRANSPORT; FE1-XCUXCR2S4; VACANCIES; FE AB Electrical-transport, magnetic and structural properties of the ferrimagnetic semiconductor FeCr2S4 (T-N = 170 K) have been studied by electrical resistance, R(P, T), Fe-57 Mossbauer spectroscopy (MS), and synchrotron x-ray diffraction to 20 GPa using diamond anvil cells. It was found that the local maximum, R-max(P) on the R(T) curve, corresponding to the colossal magnetoresistance effect, is substantially reduced and broadened with pressure increase accompanied by a shift to higher temperatures and finally disappears at similar to 7 GPa, the highest pressure of the single, high-spin spinel phase designated as LP1. Suppression of R-max(P) precedes a gap closure leading to metallization at similar to 7 GPa. The 7-10 GPa range is a coexistence pressure zone composed of three phases: (i) LP1, a paramagnetic spinel (SG Fd3m); (ii) LP2, a nonmagnetic isostructural spinel; and (iii) HP1, a high-spin Cr3S4 (SG I2/m) type structure. Based on MS and R(P, T) studies it was concluded that the Mott transition is responsible for the onset of metallization (correlation breakdown) coinciding with the collapse of Fe2+ moments. The shortening of the Fe-O bond length due to the electronic transition leads to a volume decrease of the low pressure (LP) phase by similar to 1%. This electronic transition initiates a structural instability of the spinel structure resulting in a first-order phase transition into HP1, a post-spinel with Cr3S4-like structure. The onset of HP1 is accompanied by the Fe2+ 4 -> 6 coordination number increase resulting in an additional similar to 12% volume reduction. In the coexistence zone the post-spinel phase is paramagnetic, but at P > 10 GPa an isostructural transition takes place and Fe2+ becomes nonmagnetic, as evidenced from the large drop of the isomer shift and of the quadrupole splitting. The structural transition is irreversible with the isothermal pressure decrease, and the Cr3S4-like structure remains upon full release of pressure at 300 K. Interestingly at decompression the high pressure (HP) phase undergoes a reverse noncorrelated -> correlated transition recovering its localization features, e. g., insulating state and paramagnetism with T-N <= 6 K. The original room temperature (RT), LP spinel phase is finally recovered following heat treatment at 400 degrees C. C1 [Amiel, Y.; Rozenberg, G. Kh.; Nissim, N.; Milner, A.; Pasternak, M. P.] Tel Aviv Univ, Sch Phys & Astron, IL-69978 Tel Aviv, Israel. [Hanfland, M.] European Synchrotron Radiat Facil, F-38043 Grenoble, France. [Taylor, R. D.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA. RP Amiel, Y (reprint author), Tel Aviv Univ, Sch Phys & Astron, IL-69978 Tel Aviv, Israel. EM moshepa@post.tau.ac.il FU Israeli Science Foundation [36/05, 789/10] FX This research was supported in part by the Israeli Science Foundation Grants #36/05 and #789/10. We acknowledge the European Synchrotron Radiation Facility for provision of synchrotron radiation facilities beam line ID09. The DACs were provided in kind by D'Anvils Ltd. (www.danvils.com) NR 44 TC 10 Z9 10 U1 1 U2 34 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 2469-9950 EI 2469-9969 J9 PHYS REV B JI Phys. Rev. B PD DEC 22 PY 2011 VL 84 IS 22 AR 224114 DI 10.1103/PhysRevB.84.224114 PG 9 WC Physics, Condensed Matter SC Physics GA 868WD UT WOS:000298556000005 ER PT J AU Li, G Cooper, VR Cho, JH Du, SX Gao, HJ Zhang, ZY AF Li, Guo Cooper, Valentino R. Cho, Jun-Hyung Du, Shixuan Gao, Hong-Jun Zhang, Zhenyu TI Self-assembly of molecular wires on H-terminated Si(100) surfaces driven by London dispersion forces SO PHYSICAL REVIEW B LA English DT Article ID NANOSTRUCTURES; SI(100)-(2X1)-H; GROWTH AB First-principles calculations combined with kinetic Monte Carlo simulations are carried out to unambiguously demonstrate the vital role of van der Waals (vdW) interactions in the self-assembly of styrene nanowires on H-terminated Si(100) surfaces. We find that, only with the inclusion of London dispersion forces, accounting for the attractive parts of vdW interactions, are the effective intermolecular interactions reversed from repulsive to attractive. Such attractive interactions, in turn, ensure the preferred growth of long wires under physically realistic conditions as observed experimentally. We further propose a cooperative scheme, invoking the application of an electric field and the selective creation of Si dangling bonds, to drastically improve the ordered arrangement of the molecular nanowires. The present paper represents a significant step forward in the fundamental understanding and precise control of molecular self-assembly guided by London dispersion forces. C1 [Li, Guo; Du, Shixuan; Gao, Hong-Jun] Chinese Acad Sci, Inst Phys, Beijing 100190, Peoples R China. [Li, Guo; Zhang, Zhenyu] Univ Tennessee, Dept Phys & Astron, Knoxville, TN 37996 USA. [Cooper, Valentino R.] Oak Ridge Natl Lab, Mat Sci & Technol Div, Oak Ridge, TN 37831 USA. [Cho, Jun-Hyung] Hanyang Univ, Dept Phys, Seoul 133791, South Korea. [Zhang, Zhenyu] Univ Sci & Technol China, Int Ctr Quantum Design Funct Mat ICQD, Hefei Natl Lab Phys Sci Microscale HFNL, Hefei 230026, Anhui, Peoples R China. RP Li, G (reprint author), Chinese Acad Sci, Inst Phys, Beijing 100190, Peoples R China. RI IoP, Nano Lab/B-9663-2013; Du, Shixuan/K-7145-2012; Cooper, Valentino /A-2070-2012; Li, Guo/H-1096-2015; Cho, Jun-Hyung/R-7256-2016 OI Du, Shixuan/0000-0001-9323-1307; Cooper, Valentino /0000-0001-6714-4410; Li, Guo/0000-0003-4884-3843; Cho, Jun-Hyung/0000-0002-1785-1835 FU US NSF [DMR-0906025]; NSF of China [60921092, 11034006]; National "973" programs of China; National Research Foundation of Korea [NRF-2011-0015754]; Materials Sciences and Engineering Division, Office of Basic Energy Sciences, U.S. Department of Energy FX We thank T. Thonhauser and B. Kolb for use of their implementation of the SIESTA module in QE, and Wenguang Zhu for beneficial discussions. This work was supported in part by the US NSF (Grant No. DMR-0906025), the NSF of China (Grants No. 60921092 and No. 11034006), National "973" programs of China, by the National Research Foundation of Korea (Grant No. NRF-2011-0015754) and by the Materials Sciences and Engineering Division, Office of Basic Energy Sciences, U.S. Department of Energy (V.R.C). The calculations were carried out at NERSC of US DOE. NR 28 TC 8 Z9 8 U1 1 U2 24 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1098-0121 J9 PHYS REV B JI Phys. Rev. B PD DEC 22 PY 2011 VL 84 IS 24 AR 241406 DI 10.1103/PhysRevB.84.241406 PG 5 WC Physics, Condensed Matter SC Physics GA 868YN UT WOS:000298562600002 ER PT J AU Ma, J Yan, JQ Diallo, SO Stevens, R Llobet, A Trouw, F Abernathy, DL Stone, MB McQueeney, RJ AF Ma, J. Yan, J. -Q. Diallo, S. O. Stevens, R. Llobet, A. Trouw, F. Abernathy, D. L. Stone, M. B. McQueeney, R. J. TI Role of magnetic exchange energy on charge ordering in R1/3Sr2/3FeO3 (R = La, Pr, and Nd) SO PHYSICAL REVIEW B LA English DT Article ID CRYSTAL-FIELD LEVELS; NEUTRON-SCATTERING; ORTHOFERRITES; SPIN; TRANSITIONS; OXIDES; STATES AB Inelastic neutron scattering is applied to study the role of magnetism in stabilizing the charge-ordered state in R1/3Sr2/3FeO3 (RSFO) (R = La, Pr, and Nd). The ratio of the ferromagnetic exchange energy J(F) and antiferromagnetic exchange energy J(AF), |J(F)/J(AF)|, is a key indicator of the stability of the charge-ordered and antiferromagnetic ordered state. This ratio is obtained from the spin-wave spectrum by inelastic neutron scattering and is sufficiently large to suggest that the magnetic exchange energy alone can stabilize the charge-ordered state in La1/3Sr2/3FeO3 and Pr1/3Sr2/3FeO3. The exchange ratio decreases from La1/3Sr2/3FeO3 to Nd1/3Sr2/3FeO3, which indicates a gradual destabilization of the magnetic exchange mechanism for charge ordering in correspondence with the observed reduction in the ordering temperature. C1 [Ma, J.; Yan, J. -Q.; Diallo, S. O.; McQueeney, R. J.] US DOE, Ames Lab, Ames, IA 50011 USA. [Ma, J.; McQueeney, R. J.] Iowa State Univ, Dept Phys & Astron, Ames, IA 50011 USA. [Stevens, R.; Llobet, A.; Trouw, F.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA. [Ma, J.; Abernathy, D. L.; Stone, M. B.] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA. RP Ma, J (reprint author), Oak Ridge Natl Lab, POB 2008, Oak Ridge, TN 37831 USA. RI Llobet, Anna/B-1672-2010; Stone, Matthew/G-3275-2011; Lujan Center, LANL/G-4896-2012; Abernathy, Douglas/A-3038-2012; Ma, Jie/C-1637-2013; McQueeney, Robert/A-2864-2016; BL18, ARCS/A-3000-2012; Diallo, Souleymane/B-3111-2016 OI Stone, Matthew/0000-0001-7884-9715; Abernathy, Douglas/0000-0002-3533-003X; McQueeney, Robert/0000-0003-0718-5602; Diallo, Souleymane/0000-0002-3369-8391 FU Division of Materials Sciences and Engineering, Office of Basic Energy Sciences, US Department of Energy. Ames Laboratory [DE-AC02-07CH11358]; US DOE [DE-AC05-00OR22725]; DOE Office of Basic Energy Sciences; DOE [DE-AC52-06NA25396] FX This work was supported by the Division of Materials Sciences and Engineering, Office of Basic Energy Sciences, US Department of Energy. Ames Laboratory is operated for the US Department of Energy by Iowa State University under Contract No. DE-AC02-07CH11358. The work at the Spallation Neutron Source, Oak Ridge National Laboratory (ORNL), was sponsored by the Scientific User Facilities Division, Office of Basic Energy Sciences, US Department of Energy (US DOE). ORNL is operated by UT-Battelle, LLC, for the US DOE under Contract No. DE-AC05-00OR22725. This work has benefited from the use of HIPD and Pharos at the Lujan Center at Los Alamos Neutron Science Center, funded by DOE Office of Basic Energy Sciences. Los Alamos National Laboratory is operated by Los Alamos National Security LLC under DOE Contract DE-AC52-06NA25396. NR 27 TC 11 Z9 11 U1 0 U2 8 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1098-0121 J9 PHYS REV B JI Phys. Rev. B PD DEC 22 PY 2011 VL 84 IS 22 AR 224115 DI 10.1103/PhysRevB.84.224115 PG 13 WC Physics, Condensed Matter SC Physics GA 868WD UT WOS:000298556000006 ER PT J AU Munbodh, K Cheon, M Lederman, D Fitzsimmons, MR Dilley, NR AF Munbodh, Kineshma Cheon, Miyeon Lederman, David Fitzsimmons, M. R. Dilley, Neil R. TI Interfacial coupling between ferromagnets and random and dilute antiferromagnets SO PHYSICAL REVIEW B LA English DT Article ID POSITIVE EXCHANGE BIAS; RANDOM-FIELD MODEL; FEF2-FE BILAYERS; ANISOTROPY; NIF2; NEUTRON AB Depth profiles for pinned and unpinned magnetizations were determined across the interface between a ferromagnet (F) and random and dilute antiferromagnets (RAF and DAF) exemplified by Fe0.45Ni0.55F2/Co and Fe0.34Zn0.66F2/Co bilayers, respectively, using polarized neutron reflectivity (PNR). PNR measurements were complemented by magnetometry using applied fields as large as 160 kOe to assure saturation of the entire sample, including magnetic moments that are normally pinned at lower fields. The locations of pinned and unpinned magnetization in the ferro-and antiferromagnets were identified. The origin of exchange bias in the RAF system is noticeably different than that of the DAF system. In the RAF system, a domain wall is formed at the RAF/F interface when the ferromagnet's magnetization is reversed. In the DAF system, some domains within the bulk of the DAF are reversed upon reversal of the ferromagnet while others remain pinned. In this case, the interface magnetization is entirely reversed. C1 [Munbodh, Kineshma; Cheon, Miyeon; Lederman, David] W Virginia Univ, Dept Phys, Morgantown, WV 26506 USA. [Fitzsimmons, M. R.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA. [Dilley, Neil R.] Quantum Design Inc, San Diego, CA 92121 USA. RP Munbodh, K (reprint author), W Virginia Univ, Dept Phys, Morgantown, WV 26506 USA. EM kmunbodh@mix.wvu.edu RI Lujan Center, LANL/G-4896-2012 FU National Science Foundation at WVU [DMR-0400578, DMR-0903861]; Department of Energy's Office of Basic Energy Science. Los Alamos National Laboratory [DE-AC52-06NA25396] FX The support of the National Science Foundation (grant Nos. DMR-0400578 and DMR-0903861) at WVU is gratefully acknowledged. At Los Alamos, this work was supported by the Office of Basic Energy Science, US Department of Energy, BES-DMS funded by the Department of Energy's Office of Basic Energy Science. Los Alamos National Laboratory is operated by Los Alamos National Security LLC under DOE Contract DE-AC52-06NA25396. NR 36 TC 2 Z9 2 U1 0 U2 17 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1098-0121 EI 1550-235X J9 PHYS REV B JI Phys. Rev. B PD DEC 22 PY 2011 VL 84 IS 21 AR 214434 DI 10.1103/PhysRevB.84.214434 PG 9 WC Physics, Condensed Matter SC Physics GA 868UH UT WOS:000298550900005 ER PT J AU Su, SQ Maier, TA AF Su, Shi-Quan Maier, Thomas A. TI Coexistence of strong nematic and superconducting correlations in a two-dimensional Hubbard model SO PHYSICAL REVIEW B LA English DT Article ID INSTABILITY; SYMMETRY; STRIPES AB Using a dynamic cluster quantum Monte Carlo approximation, we study a two-dimensional Hubbard model with a small orthorhombic distortion in the nearest-neighbor hopping integrals. We find a large nematic response in the low-frequency single-particle scattering rate which develops with decreasing temperature and doping as the pseudogap region is entered. At the same time, the d-wave superconducting gap function develops an s-wave component and its amplitude becomes anisotropic. The strength of the pairing correlations, however, is found to be unaffected by the strong anisotropy, indicating that d-wave superconductivity can coexist with strong nematicity in the system. C1 [Su, Shi-Quan; Maier, Thomas A.] Oak Ridge Natl Lab, Ctr Nanophase Mat Sci, Comp Sci & Math Div, Oak Ridge, TN 37831 USA. [Su, Shi-Quan] Oak Ridge Natl Lab, Natl Ctr Computat Sci, Oak Ridge, TN 37831 USA. RP Su, SQ (reprint author), Oak Ridge Natl Lab, Ctr Nanophase Mat Sci, Comp Sci & Math Div, Oak Ridge, TN 37831 USA. EM shiquansu@hotmail.com RI Maier, Thomas/F-6759-2012 OI Maier, Thomas/0000-0002-1424-9996 FU US Department of Energy [DE-AC05-00OR22750]; Oak Ridge Associated Universities [DE-AC05-00OR22750]; Oak Ridge National Laboratory by the Office of Basic Energy Sciences, US Department of Energy; Office of Science of the US Department of Energy [DE-AC05-00OR22725] FX We would like to thank S. Okamoto and D. J. Scalapino for helpful discussion. Shi-Quan Su performed the above research under Contract No. DE-AC05-00OR22750 between the US Department of Energy and Oak Ridge Associated Universities. A portion of this research was conducted at the Center for Nanophase Materials Sciences, which is sponsored at Oak Ridge National Laboratory by the Office of Basic Energy Sciences, US Department of Energy. This research used resources of the Oak Ridge Leadership Computing Facility at Oak Ridge National Laboratory, which is supported by the Office of Science of the US Department of Energy under Contract No. DE-AC05-00OR22725. NR 26 TC 15 Z9 15 U1 1 U2 3 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1098-0121 J9 PHYS REV B JI Phys. Rev. B PD DEC 22 PY 2011 VL 84 IS 22 AR 220506 DI 10.1103/PhysRevB.84.220506 PG 4 WC Physics, Condensed Matter SC Physics GA 868WD UT WOS:000298556000002 ER PT J AU Vakaryuk, V AF Vakaryuk, Victor TI Stability of topological defects in chiral superconductors: London theory SO PHYSICAL REVIEW B LA English DT Article ID TIME-REVERSAL SYMMETRY; UNCONVENTIONAL SUPERCONDUCTIVITY; SR2RUO4; STATES AB This paper examines the thermodynamic stability of chiral domain walls and vortices-topological defects which can exist in chiral superconductors. Using London theory it is demonstrated that at sufficiently small applied and chiral fields the existence of domain walls and vortices in the sample is not favored and the sample's configuration is a single domain. The particular chirality of the single-domain configuration is neither favored nor disfavored by the applied field. Increasing the field leads to an entry of a domain-wall loop or a vortex into the sample. The formation of a straight domain wall is never preferred in equilibrium. Values of the entry (critical) fields for both types of defects, as well as the equilibrium size of the domain-wall loop, are calculated. We also consider a mesoscopic chiral sample and calculate its zero-field magnetization, susceptibility, and a change in the magnetic moment due to a vortex or a domain-wall entry. We show that in the case of a soft domain wall whose energetics is dominated by the chiral current (and not by the surface tension) its behavior in mesoscopic samples is substantially different from that in the bulk case and can be used for a controllable transfer of edge excitations. The applicability of these results to Sr(2)RuO(4)-a tentative chiral superconductor-is discussed. C1 Argonne Natl Lab, Div Mat Sci, Argonne, IL 60439 USA. RP Vakaryuk, V (reprint author), Argonne Natl Lab, Div Mat Sci, 9700 S Cass Ave, Argonne, IL 60439 USA. EM vakaryuk@anl.gov FU Center for Emergent Superconductivity, an Energy Frontier Research Center; US DOE, Office of Science [DE-AC0298CH1088] FX It is a pleasure to thank David Ferguson, Tony Leggett, and Catherine Kallin for useful discussions and Valentin Stanev for critical reading of the manuscript. I am also very grateful to Alex Levchenko and Mike Norman for continuous encouragement and support. The financial support was provided by the Center for Emergent Superconductivity, an Energy Frontier Research Center funded by the US DOE, Office of Science, under Grant No. DE-AC0298CH1088. NR 29 TC 6 Z9 6 U1 1 U2 3 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1098-0121 J9 PHYS REV B JI Phys. Rev. B PD DEC 22 PY 2011 VL 84 IS 21 AR 214524 DI 10.1103/PhysRevB.84.214524 PG 12 WC Physics, Condensed Matter SC Physics GA 868UH UT WOS:000298550900007 ER PT J AU Godec, A Smith, JC Merzel, F AF Godec, Aljaz Smith, Jeremy C. Merzel, Franci TI Increase of both Order and Disorder in the First Hydration Shell with Increasing Solute Polarity SO PHYSICAL REVIEW LETTERS LA English DT Article ID MOLECULAR-DYNAMICS; LIQUID WATER; HYDROPHOBIC HYDRATION; NEUTRON-SCATTERING; PROTEIN HYDRATION; FREE-ENERGY; SURFACE; DEPENDENCE; CONFINEMENT; DENSITY AB Monte Carlo simulations of a small model solute in an aqueous solution are used to examine the effects of solute polarity on hydration structure. A judicious definition of the orientational order parameter leads to reinterpretation of the conventional picture of hydration. As the solute varies from hydrophobic to hydrophilic the ordered first shell water simultaneously fractionates into a more highly ordered and a more disordered component. The hydrogen-bond network rearranges such that the more ordered component relaxes to configurations of optimal intermolecular angles, the other fraction being released from the network. C1 [Godec, Aljaz; Merzel, Franci] Natl Inst Chem, Ljubljana 1000, Slovenia. [Smith, Jeremy C.] Oak Ridge Natl Lab, UT ORNL Ctr Mol Biophys, Oak Ridge, TN 37831 USA. [Smith, Jeremy C.] Univ Tennessee, Dept Biochem & Cellular & Mol Biol, Knoxville, TN 37996 USA. RP Godec, A (reprint author), Natl Inst Chem, Hajdrihova 19, Ljubljana 1000, Slovenia. EM franci.merzel@ki.si RI smith, jeremy/B-7287-2012; Godec, Aljaz/L-4912-2016 OI smith, jeremy/0000-0002-2978-3227; Godec, Aljaz/0000-0003-1888-6666 FU Slovenian Research Agency [J1-4134] FX F. M. acknowledges financial support through Grant No. J1-4134 of the Slovenian Research Agency. NR 28 TC 20 Z9 20 U1 1 U2 21 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 0031-9007 J9 PHYS REV LETT JI Phys. Rev. Lett. PD DEC 22 PY 2011 VL 107 IS 26 AR 267801 DI 10.1103/PhysRevLett.107.267801 PG 5 WC Physics, Multidisciplinary SC Physics GA 869PA UT WOS:000298609000016 PM 22243182 ER PT J AU Lauter, H Apaja, V Kalinin, I Kats, E Koza, M Krotscheck, E Lauter, VV Puchkov, AV AF Lauter, H. Apaja, V. Kalinin, I. Kats, E. Koza, M. Krotscheck, E. Lauter, V. V. Puchkov, A. V. TI Observation of a Superfluid Component within Solid Helium SO PHYSICAL REVIEW LETTERS LA English DT Article ID NEUTRON-DIFFRACTION; EXCITATIONS; DISORDER; PHASE; FILMS; HE-4 AB We demonstrate by neutron scattering that a localized superfluid component exists at high pressures within solid helium in aerogel. Its existence is deduced from the observation of two sharp phonon-roton spectra which are clearly distinguishable from modes in bulk superfluid helium. These roton excitations exhibit different roton gap parameters than the roton observed in the bulk fluid at freezing pressure. One of the roton modes disappears after annealing the samples. Comparison with theoretical calculations suggests that the model that reproduces the observed data best is that of superfluid double layers within the solid and at the helium-substrate interface. C1 [Lauter, H.; Lauter, V. V.] Oak Ridge Natl Lab, Spallat Neutron Source, Oak Ridge, TN 37831 USA. [Apaja, V.] Univ Jyvaskyla, Nanosci Ctr, SF-40351 Jyvaskyla, Finland. [Kalinin, I.; Puchkov, A. V.] Inst Phys & Power Engn, Obninsk, Russia. [Kats, E.; Koza, M.] Inst Laue Langevin, F-38042 Grenoble, France. [Kats, E.] Russian Acad Sci, LD Landau Inst Theoret Phys, Moscow, Russia. [Krotscheck, E.] Johannes Kepler Univ Linz, Inst Theoret Phys, A-4040 Linz, Austria. [Krotscheck, E.] SUNY Buffalo, Dept Phys, Buffalo, NY 14260 USA. RP Lauter, H (reprint author), Oak Ridge Natl Lab, Spallat Neutron Source, Oak Ridge, TN 37831 USA. FU RFBR [09-02-97501, FR 06/2008]; Finnish Academy [7115066]; FWF [P21264] FX This work was supported, in part, by RFBR grant 09-02-97501 Amadee Project No. FR 06/2008, Finnish Academy project 7115066 and the FWF Project P21264. Discussions with C. E. Campbell, F. M. Gasparini, H. Godfrin, and K. B. Whaley are also acknowledged. NR 21 TC 7 Z9 7 U1 2 U2 21 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 0031-9007 J9 PHYS REV LETT JI Phys. Rev. Lett. PD DEC 22 PY 2011 VL 107 IS 26 AR 265301 DI 10.1103/PhysRevLett.107.265301 PG 5 WC Physics, Multidisciplinary SC Physics GA 869PA UT WOS:000298609000010 PM 22243164 ER PT J AU Soo, HS Macnaughtan, ML Weare, WW Yano, J Frei, H AF Soo, H. S. Macnaughtan, M. L. Weare, W. W. Yano, J. Frei, H. TI EXAFS Spectroscopic Analysis of Heterobinuclear TiOMn Charge-Transfer Chromophore in Mesoporous Silica SO JOURNAL OF PHYSICAL CHEMISTRY C LA English DT Article ID X-RAY-ABSORPTION; MOLECULE-MAGNET BEHAVIOR; VISIBLE-LIGHT; FINE-STRUCTURE; OLEFIN EPOXIDATION; CATALYTIC-ACTIVITY; CRYSTAL-STRUCTURES; BRIDGED DINUCLEAR; OXIDATION-STATE; SCHIFF-BASE AB Analysis of extended X-ray absorption fine structure (EXAFS) measurements of binuclear Ti-IV OMnII visible light charge-transfer chromophores anchored on silica nanopore surfaces reveals an oxo-bridged structure of a Ti and a Mn center. For TiMn-SBA-15 samples with 1 mol % for each metal, Ti and Mn K-edge EXAFS curve fitting indicates a common TiMn distance of 3.3 angstrom (Ti edge: 3.36 +/- 0.05 angstrom; Mn edge: 3.25 +/- 0.07 angstrom) and a bond angle of 111 degrees. The first sphere coordination of the two metal centers, a distorted tetrahedral for Ti and a pseudo octahedral for Mn, is largely preserved upon formation of the linkage of the binuclear unit. Increasing the Ti loading from 1 to 3% does not introduce titania clusters, whereas loading of Mn beyond 2% leads to some Mn oxide cluster formation. The binuclear unit retains its structural integrity upon prolonged exposure to air or heating at high temperature (350 degrees C) in the presence of oxygen. The oxidation state increase of the Mn center upon calcination is accompanied by a shortening of the oxo bridge. The results provide the first detailed structural information on the (TiOMnII)-O-IV MMCT unit, which is a promising candidate as a visible light charge-transfer chromophore for driving multielectron catalysts for artificial photosynthesis. C1 [Soo, H. S.; Macnaughtan, M. L.; Weare, W. W.; Yano, J.; Frei, H.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Phys Biosci Div, Berkeley, CA 94720 USA. RP Frei, H (reprint author), Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Phys Biosci Div, Berkeley, CA 94720 USA. EM HMFrei@lbl.gov RI Soo Han Sen, Han Sen/B-7016-2011; OI Weare, Walter/0000-0001-5794-9418 FU Office of Science, Office of Basic Energy Sciences, Division of Chemical, Geological and Biosciences of the U.S. Department of Energy [DE-AC02-05CH11231]; Department of Energy, Office of Biological and Environmental Research; National Institutes of Health, National Center for Research Resources FX This work was supported by the Director, Office of Science, Office of Basic Energy Sciences, Division of Chemical, Geological and Biosciences of the U.S. Department of Energy under Contract No. DE-AC02-05CH11231. Portions of this research were carried out at the Stanford Synchrotron Radiation Light-source, a national user facility operated by Stanford University on behalf of the U.S. Department of Energy, Office of Basic Energy Sciences. The SSRL Structural Molecular Biology Program is supported by the Department of Energy, Office of Biological and Environmental Research, and by the National Institutes of Health, National Center for Research Resources, Biomedical Technology Program. The authors thank Prof. Carlo Segre (Illinois Institute of Technology), Prof. Scott Calvin (Sarah Lawrence College), and Dr. Shelly Kelly (Argonne National Laboratory) for guidance on using the SixPACK and IFEFFIT software packages for XANES and EXAFS analysis. NR 51 TC 23 Z9 23 U1 2 U2 31 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 1932-7447 J9 J PHYS CHEM C JI J. Phys. Chem. C PD DEC 22 PY 2011 VL 115 IS 50 BP 24893 EP 24905 DI 10.1021/jp208419q PG 13 WC Chemistry, Physical; Nanoscience & Nanotechnology; Materials Science, Multidisciplinary SC Chemistry; Science & Technology - Other Topics; Materials Science GA 860KR UT WOS:000297947700057 ER PT J AU Yu, JG Rosso, KM Liu, J AF Yu, Jianguo Rosso, Kevin M. Liu, Jun TI Charge Localization and Transport in Lithiated Olivine Phosphate Materials SO JOURNAL OF PHYSICAL CHEMISTRY C LA English DT Article ID AB-INITIO; ELECTRONIC-STRUCTURE; LITHIUM BATTERIES; 1ST-PRINCIPLES; TRANSITION; OXIDE; LIFEPO4; LIMNPO4; LIXCOO2; METALS AB We report density functional theory (DFT) calculations for olivine-type (LiTPO4)-P-M and (TPO4)-P-M (T-M = Mn, Fe, Co, Ni) structures. TM is typically characterized in terms of localized 2+ or 3+ charge in (LiTPO4)-P-M and (TPO4)-P-M structures, respectively, in which electron transport would take place by thermally activated hopping of metal-centered small polarons. We assess qualitative relationships between formal T-M oxidation states and the static charges on T-M and the dependence of small polaron stability on d-p rehybridization. We propose an empirical correlation between the ratio of cationic/anionic charge differences (dQ(TM)/dQ(O)) for lithiated and delithiated end members and the relative degree of electron localization on the cationic versus anionic sublattices. Large values of dQ(TM) relative to dQ(O) or a dQ(TM)/dQ(O), value greater than 2 appears consistent with phases that would tend toward stable small polaron formation at T sites, such as mixed 2+/3+-like oxidation states. If the ratio of dQ(TM)/dQ(O) is smaller than 2 and the magnitudes of the charge differences are small, the system tends to behave more itinerant-like. C1 [Yu, Jianguo; Rosso, Kevin M.; Liu, Jun] Pacific NW Natl Lab, Richland, WA 99352 USA. RP Rosso, KM (reprint author), Pacific NW Natl Lab, Richland, WA 99352 USA. EM kevin.rosso@pnl.gov RI Yu, Jianguo/C-3424-2013 OI Yu, Jianguo/0000-0001-5604-8132 FU Pacific Northwest National Laboratory, a multiprogram national laboratory; U.S. Department of Energy [DE-AC06-76RLO 1830]; U.S. DOE, Office of Biological and Environmental Research FX The authors would like to acknowledge useful discussions with F. Skomurski and S. Chatman. This work was conducted under the Laboratory Directed Research and Development Program at Pacific Northwest National Laboratory, a multiprogram national laboratory operated by Battelle Memorial Institute for the U.S. Department of Energy under Contract No. DE-AC06-76RLO 1830. The computations were performed using resources of the MSCF in the EMSL, a national scientific user facility sponsored by the U.S. DOE, Office of Biological and Environmental Research and located at Pacific Northwest National Laboratory. NR 34 TC 10 Z9 10 U1 2 U2 32 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 1932-7447 J9 J PHYS CHEM C JI J. Phys. Chem. C PD DEC 22 PY 2011 VL 115 IS 50 BP 25001 EP 25006 DI 10.1021/jp204188g PG 6 WC Chemistry, Physical; Nanoscience & Nanotechnology; Materials Science, Multidisciplinary SC Chemistry; Science & Technology - Other Topics; Materials Science GA 860KR UT WOS:000297947700070 ER PT J AU Klug, JA Proslier, T Elam, JW Cook, RE Hiller, JM Claus, H Becker, NG Pellin, MJ AF Klug, Jeffrey A. Proslier, Thomas Elam, Jeffrey W. Cook, Russell E. Hiller, Jon M. Claus, Helmut Becker, Nicholas G. Pellin, Michael J. TI Atomic Layer Deposition of Amorphous Niobium Carbide-Based Thin Film Superconductors SO JOURNAL OF PHYSICAL CHEMISTRY C LA English DT Article ID TRANSITION-METAL CARBIDES; REDUCING AGENT; TANTALUM; NBC; TRIMETHYLALUMINUM; PRECURSOR; SURFACES; ELECTRON; EPITAXY; AMMONIA AB Niobium carbide thin films were synthesized by atomic layer deposition (ALD) using trirnethylaluminum (TMA), NbF(5), and NbCl(5) precursors. In situ quartz crystal microbalance (QCM) measurements performed at 200 and 290 degrees C revealed controlled, linear deposition with a high growth rate of 5.7 and 4.5 angstrom/cycle, respectively. The chemical composition, growth rate, structure, and electronic properties of the films were studied over the deposition temperature range 125-350 degrees C. Varying amounts of impurities, including amorphous carbon (a-C), AlF(3), NbF(x), and NbCl(x), were found in all samples. A strong growth temperature dependence of film composition, growth rate, and room temperature DC resistivity was observed. Increasing film density, decreasing total impurity concentration, and decreasing resistivity were observed as a function of increasing deposition temperature for films grown with either NbF(5) or NbCl(5). Superconducting quantum interference device (SQUID) magnetometry measurements down to 1.2 K revealed a superconducting transition at T(c) = 1.8 K in a 75 nm thick film grown at 350 degrees C with TMA and NbF(5). The superconducting critical temperature could be increased up to 3.8 K with additional use of NH(3) during ALD film growth. C1 [Klug, Jeffrey A.; Proslier, Thomas; Cook, Russell E.; Hiller, Jon M.; Claus, Helmut; Becker, Nicholas G.; Pellin, Michael J.] Argonne Natl Lab, Div Mat Sci, Argonne, IL 60439 USA. [Proslier, Thomas] Argonne Natl Lab, Div High Energy Phys, Argonne, IL 60439 USA. [Elam, Jeffrey W.] Argonne Natl Lab, Div Energy Syst, Argonne, IL 60439 USA. [Becker, Nicholas G.] IIT, Dept Phys, Chicago, IL 60616 USA. RP Klug, JA (reprint author), Argonne Natl Lab, Div Mat Sci, 9700 S Cass Ave, Argonne, IL 60439 USA. EM jklug@anl.gov RI Pellin, Michael/B-5897-2008; Klug, Jeffrey/A-3653-2013; Hiller, Jon/A-2513-2009 OI Pellin, Michael/0000-0002-8149-9768; Hiller, Jon/0000-0001-7207-8008 FU U.S. Department of Energy, Office of Science [DE-AC02-06CH11357]; U.S. Department of Energy, Office of High Energy Physics Department of Science; U.S. Department of Energy Office of Science Laboratory [DE-AC02-06CH11357] FX This work was supported by the U.S. Department of Energy, Office of Science under contract No. DE-AC02-06CH11357 and by the American Recovery and Reinvestment Act (ARRA) through the U.S. Department of Energy, Office of High Energy Physics Department of Science. Electron microscopy was performed at the Electron Microscopy Center for Materials Research (EMCMR) at Argonne National Laboratory, a U.S. Department of Energy Office of Science Laboratory operated under Contract No. DE-AC02-06CH11357. NR 43 TC 16 Z9 16 U1 6 U2 39 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 1932-7447 J9 J PHYS CHEM C JI J. Phys. Chem. C PD DEC 22 PY 2011 VL 115 IS 50 BP 25063 EP 25071 DI 10.1021/jp207612r PG 9 WC Chemistry, Physical; Nanoscience & Nanotechnology; Materials Science, Multidisciplinary SC Chemistry; Science & Technology - Other Topics; Materials Science GA 860KR UT WOS:000297947700078 ER PT J AU Peng, SM Yang, L Long, XG Shen, HH Sun, QQ Zu, XT Gao, F AF Peng, S. M. Yang, L. Long, X. G. Shen, H. H. Sun, Q. Q. Zu, X. T. Gao, F. TI Bond-Order Potential for Erbium-Hydride System SO JOURNAL OF PHYSICAL CHEMISTRY C LA English DT Article ID EMBEDDED-ATOM POTENTIALS; AUGMENTED-WAVE METHOD; HCP METALS; PRESSURE; SIMULATIONS; SURFACES; FILMS AB Interatomic potentials for an Er-H system are derived based on an analytical bond-order scheme. The model potentials provide a good description of the bulk properties and defect properties of hcp-Er, including lattice parameters, cohesive energy, elastic constants, point defect formation energies, and surface and stacking fault energies. In addition to experimental data, an ab initio method is used to construct the necessary database of different phases. We demonstrate that such potentials can reproduce the hydrogen behavior in an a-phase Er-H system for a low hydrogen/metal ratio, Especially, the present potentials can be employed for modeling the energetics and structural properties of fcc ErH(2), including lattice parameters, elastic constants, bulk modulus, Young's modulus, shear modulus, as well as the formation energies and migration barriers of point defects in ErH(2). C1 [Yang, L.; Shen, H. H.; Sun, Q. Q.; Zu, X. T.] Univ Elect Sci & Technol China, Dept Appl Phys, Chengdu 610054, Peoples R China. [Peng, S. M.; Long, X. G.; Shen, H. H.] China Acad Engn Phys, Inst Nucl Phys & Chem, Mianyang 621900, Peoples R China. [Gao, F.] Pacific NW Natl Lab, Richland, WA 99352 USA. RP Yang, L (reprint author), Univ Elect Sci & Technol China, Dept Appl Phys, Chengdu 610054, Peoples R China. EM yanglildk@uestc.edu.cn; fei.gao@pnl.gov RI Gao, Fei/H-3045-2012; OI Shen, Huahai/0000-0002-0086-2714 FU Science and Technology Foundation of China Academy of Engineering Physics [2009A0301015]; National Natural Science Foundation of China-NSAF [10976007]; Fundamental Research Funds for the Central Universities [ZYGX2009J040]; U.S. Department of Fusion Energy Science [DE-AC06-76RLO 1830] FX S.M.P. and X.G.L. are grateful for the Science and Technology Foundation of China Academy of Engineering Physics (Grant No. 2009A0301015). L.Y. and X.T.Z. are grateful for the support by National Natural Science Foundation of China-NSAF (Grant No. 10976007) and the Fundamental Research Funds for the Central Universities (Grant No. ZYGX2009J040). F.G. is grateful for the support by the U.S. Department of Fusion Energy Science under Contract DE-AC06-76RLO 1830. NR 49 TC 7 Z9 7 U1 1 U2 12 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 1932-7447 J9 J PHYS CHEM C JI J. Phys. Chem. C PD DEC 22 PY 2011 VL 115 IS 50 BP 25097 EP 25104 DI 10.1021/jp2090523 PG 8 WC Chemistry, Physical; Nanoscience & Nanotechnology; Materials Science, Multidisciplinary SC Chemistry; Science & Technology - Other Topics; Materials Science GA 860KR UT WOS:000297947700082 ER PT J AU Herascu, N Ahmouda, S Picorel, R Seibert, M Jankowiak, R Zazubovich, V AF Herascu, Nicoleta Ahmouda, Somaya Picorel, Rafael Seibert, Michael Jankowiak, Ryszard Zazubovich, Valter TI Effects of the Distributions of Energy or Charge Transfer Rates on Spectral Hole Burning in Pigment-Protein Complexes at Low Temperatures SO JOURNAL OF PHYSICAL CHEMISTRY B LA English DT Article ID HYPERQUENCHED GLASSY WATER; LIGHT-HARVESTING COMPLEX; II REACTION CENTERS; ALUMINUM-PHTHALOCYANINE-TETRASULFONATE; PHOTOSYNTHETIC PURPLE BACTERIA; CYANOBACTERIAL PHOTOSYSTEM-I; EXCITED-STATE DYNAMICS; CP29 ANTENNA COMPLEX; EXCITATION-ENERGY; RHODOPSEUDOMONAS-ACIDOPHILA AB Effects of the distributions of excitation energy transfer (EET) rates (homogeneous line widths) on the nonphotochemical (resonant) spectral hole burning (SHB) processes in photosynthetic chlorophyll-protein complexes (reaction center [RC] and CP43 antenna of Photosystem II from spinach) are considered. It is demonstrated that inclusion of such a distribution results in somewhat more dispersive hole burning kinetics. More importantly, however, inclusion of the EET rate distributions strongly affects the dependence of the hole width on the fractional hole depth. Different types of line width distributions have been explored, including those resulting from Forster type EET between weakly interacting pigments as well as Gaussian ones, which may be a reasonable approximation for those resulting, for instance, from so-called extended Forster models. For Gaussian line width distributions, it is possible to determine the parameters of both line width and tunneling parameter distributions from SHB data without a priori knowledge of any of them. Concerning more realistic asymmetric distributions, we demonstrate, using the simple example of CP43 antenna, that one can use SHB modeling to estimate electrostatic couplings between pigments and support or exclude assignment of certain pigment(s) to a particular state. C1 [Herascu, Nicoleta; Ahmouda, Somaya; Zazubovich, Valter] Concordia Univ, Dept Phys, Montreal, PQ H4B 1R6, Canada. [Picorel, Rafael] Estac Expt CSIC, Zaragoza 50059, Spain. [Picorel, Rafael; Seibert, Michael] Natl Renewable Energy Lab, Golden, CO 80401 USA. [Jankowiak, Ryszard] Kansas State Univ, Dept Chem, Manhattan, KS 66506 USA. RP Zazubovich, V (reprint author), Concordia Univ, Dept Phys, 7141 Sherbrooke St W, Montreal, PQ H4B 1R6, Canada. EM vzazubov@alcor.concordia.ca RI PICOREL, RAFAEL/K-7930-2014 OI PICOREL, RAFAEL/0000-0003-3791-129X FU NSERC; CFI; Concordia University; Libyan government; MICINN [AGL2008-00377]; EU in Spain [AGL2008-00377]; US Department of Energy within the Chemical Sciences, Geoscience, and Biosciences Division of the Office of Basic Energy Sciences [DE-AC36-08-GO28308]; NSF [CHE-0907958] FX The authors are thankful to Dr. T. Reinot, ISU/IPRT, for fruitful discussions and for supplying the code of the program used in refs 8, 14, and 47 and to Dr. V. Prokhorenko, currently at the University of Toronto, for supplying his PSII RC charge transfer rate distribution from ref 11 in numerical form. Thomas Robert Connolly is acknowledged for his participation in writing the hole burning simulator program code. Financial support from NSERC, CFI, Concordia University, and Libyan government (S.A.) is gratefully acknowledged. R.P. thanks the MICINN (Grant AGL2008-00377) and the EU FEDER Program (AGL2008-00377) in Spain and M.S. the US Department of Energy's Photosynthetic Systems Program within the Chemical Sciences, Geoscience, and Biosciences Division of the Office of Basic Energy Sciences under NREL Contract #DE-AC36-08-GO28308 for support. R.J. acknowledges support from the NSF under grant CHE-0907958. NR 78 TC 8 Z9 8 U1 0 U2 15 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 1520-6106 J9 J PHYS CHEM B JI J. Phys. Chem. B PD DEC 22 PY 2011 VL 115 IS 50 BP 15098 EP 15109 DI 10.1021/jp208142k PG 12 WC Chemistry, Physical SC Chemistry GA 860KP UT WOS:000297947500021 PM 22046956 ER PT J AU Aaltonen, T Gonzalez, BA Amerio, S Amidei, D Anastassov, A Annovi, A Antos, J Apollinari, G Appel, JA Apresyan, A Arisawa, T Artikov, A Asaadi, J Ashmanskas, W Auerbach, B Aurisano, A Azfar, F Badgett, W Barbaro-Galtieri, A Barnes, VE Barnett, BA Barria, P Bartos, P Bauce, M Bauer, G Bedeschi, F Beecher, D Behari, S Bellettini, G Bellinger, J Benjamin, D Beretvas, A Bhatti, A Binkley, M Bisello, D Bizjak, I Bland, KR Blumenfeld, B Bocci, A Bodek, A Bortoletto, D Boudreau, J Boveia, A Brigliadori, L Brisuda, A Bromberg, C Brucken, E Bucciantonio, M Budagov, J Budd, HS Budd, S Burkett, K Busetto, G Bussey, P Buzatu, A Calancha, C Camarda, S Campanelli, M Campbell, M Canelli, F Carls, B Carlsmith, D Carosi, R Carrillo, S Carron, S Casal, B Casarsa, M Castro, A Catastini, P Cauz, D Cavaliere, V Cavalli-Sforza, M Cerri, A Cerrito, L Chen, YC Chertok, M Chiarelli, G Chlachidze, G Chlebana, F Cho, K Chokheli, D Chou, JP Chung, WH Chung, YS Ciobanu, CI Ciocci, MA Clark, A Clarke, C Compostella, G Convery, ME Conway, J Corbo, M Cordelli, M Cox, CA Cox, DJ Crescioli, F Almenar, CC Cuevas, J Culbertson, R Dagenhart, D d'Ascenzo, N Datta, M de Barbaro, P De Cecco, S De Lorenzo, G Dell'Orso, M Deluca, C Demortier, L Deng, J Deninno, M Devoto, F d'Errico, M Di Canto, A Di Ruzza, B Dittmann, JR D'Onofrio, M Donati, S Dong, P Dorigo, M Dorigo, T Ebina, K Elagin, A Eppig, A Erbacher, R Errede, D Errede, S Ershaidat, N Eusebi, R Fang, HC Farrington, S Feindt, M Fernandez, JP Ferrazza, C Field, R Flanagan, G Forrest, R Frank, MJ Franklin, M Freeman, JC Funakoshi, Y Furic, I Gallinaro, M Galyardt, J Garcia, JE Garfinkel, AF Garosi, P Gerberich, H Gerchtein, E Giagu, S Giakoumopoulou, V Giannetti, P Gibson, K Ginsburg, CM Giokaris, N Giromini, P Giunta, M Giurgiu, G Glagolev, V Glenzinski, D Gold, M Goldin, D Goldschmidt, N Golossanov, A Gomez, G Gomez-Ceballos, G Goncharov, M Gonzalez, O Gorelov, I Goshaw, AT Goulianos, K Grinstein, S Grosso-Pilcher, C Group, RC da Costa, JG Gunay-Unalan, Z Haber, C Hahn, SR Halkiadakis, E Hamaguchi, A Han, JY Happacher, F Hara, K Hare, D Hare, M Harr, RF Hatakeyama, K Hays, C Heck, M Heinrich, J Herndon, M Hewamanage, S Hidas, D Hocker, A Hopkins, W Horn, D Hou, S Hughes, RE Hurwitz, M Husemann, U Hussain, N Hussein, M Huston, J Introzzi, G Iori, M Ivanov, A James, E Jang, D Jayatilaka, B Jeon, EJ Jha, MK Jindariani, S Johnson, W Jones, M Joo, KK Jun, SY Junk, TR Kamon, T Karchin, PE Kasmi, A Kato, Y Ketchum, W Keung, J Khotilovich, V Kilminster, B Kim, DH Kim, HS Kim, HW Kim, JE Kim, MJ Kim, SB Kim, SH Kim, YK Kimura, N Kirby, M Klimenko, S Kondo, K Kong, DJ Konigsberg, J Kotwal, AV Kreps, M Kroll, J Krop, D Krumnack, N Kruse, M Krutelyov, V Kuhr, T Kurata, M Kwang, S Laasanen, AT Lami, S Lammel, S Lancaster, M Lander, RL Lannon, K Lath, A Latino, G LeCompte, T Lee, E Lee, HS Lee, JS Lee, SW Leo, S Leone, S Lewis, JD Limosani, A Lin, CJ Linacre, J Lindgren, M Lipeles, E Lister, A Litvintsev, DO Liu, C Liu, Q Liu, T Lockwitz, S Loginov, A Lucchesi, D Lueck, J Lujan, P Lukens, P Lungu, G Lys, J Lysak, R Madrak, R Maeshima, K Makhoul, K Malik, S Manca, G Manousakis-Katsikakis, A Margaroli, F Marino, C Martinez, M Martinez-Ballarin, R Mastrandrea, P Mattson, ME Mazzanti, P McFarland, KS McIntyre, P McNulty, R Mehta, A Mehtala, P Menzione, A Mesropian, C Miao, T Mietlicki, D Mitra, A Miyake, H Moed, S Moggi, N Mondragon, MN Moon, CS Moore, R Morello, MJ Morlock, J Fernandez, PM Mukherjee, A Muller, T Murat, P Mussini, M Nachtman, J Nagai, Y Naganoma, J Nakano, I Napier, A Nett, J Neu, C Neubauer, MS Nielsen, J Nodulman, L Norniella, O Nurse, E Oakes, L Oh, SH Oh, YD Oksuzian, I Okusawa, T Orava, R Ortolan, L Griso, SP Pagliarone, C Palencia, E Papadimitriou, V Paramonov, AA Patrick, J Pauletta, G Paulini, M Paus, C Pellett, DE Penzo, A Phillips, TJ Piacentino, G Pianori, E Pilot, J Pitts, K Plager, C Pondrom, L Potamianos, K Poukhov, O Prokoshin, F Pronko, A Ptohos, F Pueschel, E Punzi, G Pursley, J Rahaman, A Ramakrishnan, V Ranjan, N Redondo, I Renton, P Rescigno, M Riddick, T Rimondi, F Ristori, L Robson, A Rodrigo, T Rodriguez, T Rogers, E Rolli, S Roser, R Rosner, JL Rossi, M Rubbo, F Ruffini, F Ruiz, A Russ, J Rusu, V Safonov, A Sakumoto, WK Sakurai, Y Santi, L Sartori, L Sato, K Saveliev, V Savoy-Navarro, A Schlabach, P Schmidt, A Schmidt, EE Schmidt, MP Schmitt, M Schwarz, T Scodellaro, L Scribano, A Scuri, F Sedov, A Seidel, S Seiya, Y Semenov, A Sforza, F Sfyrla, A Shalhout, SZ Shears, T Shepard, PF Shimojima, M Shiraishi, S Shochet, M Shreyber, I Simonenko, A Sinervo, P Sissakian, A Sliwa, K Smith, JR Snider, FD Soha, A Somalwar, S Sorin, V Squillacioti, P Stancari, M Stanitzki, M Denis, RS Stelzer, B Stelzer-Chilton, O Stentz, D Strologas, J Strycker, GL Sudo, Y Sukhanov, A Suslov, I Takemasa, K Takeuchi, Y Tang, J Tecchio, M Teng, PK Thom, J Thome, J Thompson, GA Thomson, E Ttito-Guzman, P Tkaczyk, S Toback, D Tokar, S Tollefson, K Tomura, T Tonelli, D Torre, S Torretta, D Totaro, P Trovato, M Tu, Y Ukegawa, F Uozumi, S Varganov, A Vazquez, F Velev, G Vellidis, C Vidal, M Vila, I Vilar, R Vizan, J Vogel, M Volpi, G Wagner, P Wagner, RL Wakisaka, T Wallny, R Wang, SM Warburton, A Waters, D Weinberger, M Wester, WC Whitehouse, B Whiteson, D Wicklund, AB Wicklund, E Wilbur, S Wick, F Williams, HH Wilson, JS Wilson, P Winer, BL Wittich, P Wolbers, S Wolfe, H Wright, T Wu, X Wu, Z Yamamoto, K Yamaoka, J Yang, T Yang, UK Yang, YC Yao, WM Yeh, GP Yi, K Yoh, J Yorita, K Yoshida, T Yu, GB Yu, I Yu, SS Yun, JC Zanetti, A Zeng, Y Zucchelli, S AF Aaltonen, T. Alvarez Gonzalez, B. Amerio, S. Amidei, D. Anastassov, A. Annovi, A. Antos, J. Apollinari, G. Appel, J. A. Apresyan, A. Arisawa, T. Artikov, A. Asaadi, J. Ashmanskas, W. Auerbach, B. Aurisano, A. Azfar, F. Badgett, W. Barbaro-Galtieri, A. Barnes, V. E. Barnett, B. A. Barria, P. Bartos, P. Bauce, M. Bauer, G. Bedeschi, F. Beecher, D. Behari, S. Bellettini, G. Bellinger, J. Benjamin, D. Beretvas, A. Bhatti, A. Binkley, M. Bisello, D. Bizjak, I. Bland, K. R. Blumenfeld, B. Bocci, A. Bodek, A. Bortoletto, D. Boudreau, J. Boveia, A. Brigliadori, L. Brisuda, A. Bromberg, C. Brucken, E. Bucciantonio, M. Budagov, J. Budd, H. S. Budd, S. Burkett, K. Busetto, G. Bussey, P. Buzatu, A. Calancha, C. Camarda, S. Campanelli, M. Campbell, M. Canelli, F. Carls, B. Carlsmith, D. Carosi, R. Carrillo, S. Carron, S. Casal, B. Casarsa, M. Castro, A. Catastini, P. Cauz, D. Cavaliere, V. Cavalli-Sforza, M. Cerri, A. Cerrito, L. Chen, Y. C. Chertok, M. Chiarelli, G. Chlachidze, G. Chlebana, F. Cho, K. 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Seidel, S. Seiya, Y. Semenov, A. Sforza, F. Sfyrla, A. Shalhout, S. Z. Shears, T. Shepard, P. F. Shimojima, M. Shiraishi, S. Shochet, M. Shreyber, I. Simonenko, A. Sinervo, P. Sissakian, A. Sliwa, K. Smith, J. R. Snider, F. D. Soha, A. Somalwar, S. Sorin, V. Squillacioti, P. Stancari, M. Stanitzki, M. Denis, R. St. Stelzer, B. Stelzer-Chilton, O. Stentz, D. Strologas, J. Strycker, G. L. Sudo, Y. Sukhanov, A. Suslov, I. Takemasa, K. Takeuchi, Y. Tang, J. Tecchio, M. Teng, P. K. Thom, J. Thome, J. Thompson, G. A. Thomson, E. Ttito-Guzman, P. Tkaczyk, S. Toback, D. Tokar, S. Tollefson, K. Tomura, T. Tonelli, D. Torre, S. Torretta, D. Totaro, P. Trovato, M. Tu, Y. Ukegawa, F. Uozumi, S. Varganov, A. Vazquez, F. Velev, G. Vellidis, C. Vidal, M. Vila, I. Vilar, R. Vizan, J. Vogel, M. Volpi, G. Wagner, P. Wagner, R. L. Wakisaka, T. Wallny, R. Wang, S. M. Warburton, A. Waters, D. Weinberger, M. Wester, W. C., III Whitehouse, B. Whiteson, D. Wicklund, A. B. Wicklund, E. Wilbur, S. Wick, F. Williams, H. H. Wilson, J. S. Wilson, P. Winer, B. L. Wittich, P. Wolbers, S. Wolfe, H. Wright, T. Wu, X. Wu, Z. Yamamoto, K. Yamaoka, J. Yang, T. Yang, U. K. Yang, Y. C. Yao, W. -M. Yeh, G. P. Yi, K. Yoh, J. Yorita, K. Yoshida, T. Yu, G. B. Yu, I. Yu, S. S. Yun, J. C. Zanetti, A. Zeng, Y. Zucchelli, S. CA CDF Collaboration TI Measurement of Polarization and Search for CP Violation in B-s(0) -> phi phi Decays SO PHYSICAL REVIEW LETTERS LA English DT Article ID DETECTOR; PHYSICS AB We present the first measurement of polarization and CP-violating asymmetries in a B-s(0) decay into two light vector mesons, B-s(0) -> phi phi, and an improved determination of its branching ratio using 295 decays reconstructed in a data sample corresponding to 2: 9 fb(-1) of integrated luminosity collected by the CDF experiment at the Fermilab Tevatron collider. The fraction of longitudinal polarization is determined to be f(L) = 0.348 +/- 0.041(stat) +/- 0.021(syst), and the branching ratio B(B-s(0) -> phi phi) = [2.32 +/- 0.18(stat) +/- 0.82(syst)] x 10(-5). Asymmetries of decay angle distributions sensitive to CP violation are measured to be A(u) = 0.007 +/- 0.064(stat) +/- 0.018(syst) and A(v) = -0.120 +/- 0.064(stat) +/- 0.016(syst). C1 [Aaltonen, T.; Brucken, E.; Devoto, F.; Mehtala, P.; Orava, R.] Univ Helsinki, Dept Phys, Div High Energy Phys, FIN-00014 Helsinki, Finland. [Aaltonen, T.; Brucken, E.; Devoto, F.; Mehtala, P.; Orava, R.] Helsinki Inst Phys, FIN-00014 Helsinki, Finland. [Chen, Y. C.; Hou, S.; Mitra, A.; Teng, P. K.; Wang, S. M.] Acad Sinica, Inst Phys, Taipei 11529, Taiwan. [LeCompte, T.; Nodulman, L.; Paramonov, A. A.; Wicklund, A. B.] Argonne Natl Lab, Argonne, IL 60439 USA. [Giakoumopoulou, V.; Giokaris, N.; Manousakis-Katsikakis, A.; Vellidis, C.] Univ Athens, GR-15771 Athens, Greece. 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A.; Crescioli, F.; Dell'Orso, M.; Di Canto, A.; Di Ruzza, B.; Donati, S.; Ferrazza, C.; Garosi, P.; Giannetti, P.; Giunta, M.; Introzzi, G.; Lami, S.; Latino, G.; Leo, S.; Leone, S.; Menzione, A.; Piacentino, G.; Punzi, G.; Ristori, L.; Ruffini, F.; Sartori, L.; Scribano, A.; Scuri, F.; Sforza, F.; Squillacioti, P.; Trovato, M.; Volpi, G.] Ist Nazl Fis Nucl, I-56127 Pisa, Italy. [Bellettini, G.; Bucciantonio, M.; Crescioli, F.; Dell'Orso, M.; Di Canto, A.; Donati, S.; Latino, G.; Leo, S.; Punzi, G.; Sforza, F.; Volpi, G.] Univ Pisa, I-56127 Pisa, Italy. [Barria, P.; Ciocci, M. A.; Garosi, P.; Ruffini, F.; Scribano, A.] Univ Siena, I-56127 Pisa, Italy. [Ferrazza, C.; Trovato, M.] Scuola Normale Super Pisa, I-56127 Pisa, Italy. [Boudreau, J.; Gibson, K.; Liu, C.; Rahaman, A.; Shepard, P. F.] Univ Pittsburgh, Pittsburgh, PA 15260 USA. [Apresyan, A.; Barnes, V. E.; Bortoletto, D.; Flanagan, G.; Garfinkel, A. F.; Jones, M.; Laasanen, A. T.; Liu, Q.; Margaroli, F.; Potamianos, K.; Ranjan, N.; Sedov, A.] Purdue Univ, W Lafayette, IN 47907 USA. [Bodek, A.; Budd, H. S.; Chung, Y. S.; de Barbaro, P.; Han, J. Y.; McFarland, K. S.; Sakumoto, W. K.] Univ Rochester, Rochester, NY 14627 USA. [Bhatti, A.; Demortier, L.; Gallinaro, M.; Goulianos, K.; Lungu, G.; Malik, S.; Mesropian, C.] Rockefeller Univ, New York, NY 10065 USA. [De Cecco, S.; Giagu, S.; Iori, M.; Mastrandrea, P.; Rescigno, M.] Ist Nazl Fis Nucl, Sez Roma, I-00185 Rome, Italy. [Giagu, S.; Iori, M.] Sapienza Univ Roma, I-00185 Rome, Italy. [Halkiadakis, E.; Hare, D.; Hidas, D.; Lath, A.; Somalwar, S.] Rutgers State Univ, Piscataway, NJ 08855 USA. [Asaadi, J.; Aurisano, A.; Elagin, A.; Eusebi, R.; Goldin, D.; Kamon, T.; Khotilovich, V.; Krutelyov, V.; Lee, E.; Lee, S. W.; McIntyre, P.; Nett, J.; Safonov, A.; Toback, D.; Weinberger, M.] Texas A&M Univ, College Stn, TX 77843 USA. [Cauz, D.; Dorigo, M.; Pagliarone, C.; Pauletta, G.; Penzo, A.; Rossi, M.; Santi, L.; Zanetti, A.] Ist Nazl Fis Nucl Trieste Udine, I-34100 Trieste, Italy. [Pauletta, G.; Santi, L.] Univ Udine, I-33100 Udine, Italy. [Hara, K.; Kim, S. H.; Kurata, M.; Miyake, H.; Nagai, Y.; Sato, K.; Shimojima, M.; Sudo, Y.; Takemasa, K.; Takeuchi, Y.; Tomura, T.; Ukegawa, F.] Univ Tsukuba, Tsukuba, Ibaraki 305, Japan. [Hare, M.; Napier, A.; Rolli, S.; Sliwa, K.; Whitehouse, B.] Tufts Univ, Medford, MA 02155 USA. [Group, R. C.; Neu, C.; Oksuzian, I.] Univ Virginia, Charlottesville, VA 22906 USA. [Arisawa, T.; Ebina, K.; Funakoshi, Y.; Kimura, N.; Kondo, K.; Naganoma, J.; Sakurai, Y.; Yorita, K.] Waseda Univ, Tokyo 169, Japan. [Clarke, C.; Harr, R. F.; Karchin, P. E.; Mattson, M. E.] Wayne State Univ, Detroit, MI 48201 USA. [Bellinger, J.; Carlsmith, D.; Chung, W. H.; Herndon, M.; Pondrom, L.; Pursley, J.; Ramakrishnan, V.] Univ Wisconsin, Madison, WI 53706 USA. [Auerbach, B.; Almenar, C. Cuenca; Husemann, U.; Lockwitz, S.; Loginov, A.; Schmidt, M. P.; Stanitzki, M.] Yale Univ, New Haven, CT 06520 USA. RP Aaltonen, T (reprint author), Univ Helsinki, Dept Phys, Div High Energy Phys, FIN-00014 Helsinki, Finland. RI unalan, zeynep/C-6660-2015; Garcia, Jose /H-6339-2015; ciocci, maria agnese /I-2153-2015; Cavalli-Sforza, Matteo/H-7102-2015; Chiarelli, Giorgio/E-8953-2012; Introzzi, Gianluca/K-2497-2015; Piacentino, Giovanni/K-3269-2015; Martinez Ballarin, Roberto/K-9209-2015; Gorelov, Igor/J-9010-2015; Prokoshin, Fedor/E-2795-2012; Ivanov, Andrew/A-7982-2013; Ruiz, Alberto/E-4473-2011; Zeng, Yu/C-1438-2013; manca, giulia/I-9264-2012; Annovi, Alberto/G-6028-2012; Warburton, Andreas/N-8028-2013; Kim, Soo-Bong/B-7061-2014; Lysak, Roman/H-2995-2014; Moon, Chang-Seong/J-3619-2014; Scodellaro, Luca/K-9091-2014; Grinstein, Sebastian/N-3988-2014; Paulini, Manfred/N-7794-2014; Russ, James/P-3092-2014 OI Lancaster, Mark/0000-0002-8872-7292; Casarsa, Massimo/0000-0002-1353-8964; Latino, Giuseppe/0000-0002-4098-3502; iori, maurizio/0000-0002-6349-0380; unalan, zeynep/0000-0003-2570-7611; ciocci, maria agnese /0000-0003-0002-5462; Chiarelli, Giorgio/0000-0001-9851-4816; Introzzi, Gianluca/0000-0002-1314-2580; Piacentino, Giovanni/0000-0001-9884-2924; Martinez Ballarin, Roberto/0000-0003-0588-6720; Gorelov, Igor/0000-0001-5570-0133; Prokoshin, Fedor/0000-0001-6389-5399; Simonenko, Alexander/0000-0001-6580-3638; Ivanov, Andrew/0000-0002-9270-5643; Ruiz, Alberto/0000-0002-3639-0368; Annovi, Alberto/0000-0002-4649-4398; Warburton, Andreas/0000-0002-2298-7315; Moon, Chang-Seong/0000-0001-8229-7829; Scodellaro, Luca/0000-0002-4974-8330; Grinstein, Sebastian/0000-0002-6460-8694; Paulini, Manfred/0000-0002-6714-5787; Russ, James/0000-0001-9856-9155 FU U.S. Department of Energy; National Science Foundation; Italian Istituto Nazionale di Fisica Nucleare; Ministry of Education, Culture, Sports, Science and Technology of Japan; Natural Sciences and Engineering Research Council of Canada; National Science Council of the Republic of China; Swiss National Science Foundation; A.P. Sloan Foundation; Bundesministerium fur Bildung und Forschung, Germany; Korean World Class University Program, the National Research Foundation of Korea; Science and Technology Facilities Council; Royal Society, U.K.; Russian Foundation for Basic Research; Ministerio de Ciencia e Innovacion; Programa Consolider-Ingenio, Spain; Slovak RD Agency; Academy of Finland; Australian Research Council (ARC) FX We thank D. London, A. Datta, M. Gronau, and I. Bigi for valuable discussions on time-integrated TP asymmetries. We thank the Fermilab staff and the technical staffs of the participating institutions for their vital contributions. This work was supported by the U.S. Department of Energy and National Science Foundation; the Italian Istituto Nazionale di Fisica Nucleare; the Ministry of Education, Culture, Sports, Science and Technology of Japan; the Natural Sciences and Engineering Research Council of Canada; the National Science Council of the Republic of China; the Swiss National Science Foundation; the A.P. Sloan Foundation; the Bundesministerium fur Bildung und Forschung, Germany; the Korean World Class University Program, the National Research Foundation of Korea; the Science and Technology Facilities Council and the Royal Society, U.K.; the Russian Foundation for Basic Research; the Ministerio de Ciencia e Innovacion, and Programa Consolider-Ingenio 2010, Spain; the Slovak R&D Agency; the Academy of Finland; and the Australian Research Council (ARC). NR 28 TC 18 Z9 18 U1 2 U2 20 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 0031-9007 EI 1079-7114 J9 PHYS REV LETT JI Phys. Rev. Lett. PD DEC 22 PY 2011 VL 107 IS 26 AR 261802 DI 10.1103/PhysRevLett.107.261802 PG 8 WC Physics, Multidisciplinary SC Physics GA 031KZ UT WOS:000310640000001 ER PT J AU Boulos, MNK Resch, B Crowley, DN Breslin, JG Sohn, G Burtner, R Pike, WA Jezierski, E Chuang, KYS AF Boulos, Maged N. Kamel Resch, Bernd Crowley, David N. Breslin, John G. Sohn, Gunho Burtner, Russ Pike, William A. Jezierski, Eduardo Chuang, Kuo-Yu Slayer TI Crowdsourcing, citizen sensing and sensor web technologies for public and environmental health surveillance and crisis management: trends, OGC standards and application examples SO INTERNATIONAL JOURNAL OF HEALTH GEOGRAPHICS LA English DT Review DE Citizen Sensing; Sensors; Social Web Crowdsourcing; Twitter; Geo-mashups; Semantic Web; OGC Sensor Web Enablement; OGC Open GeoSMS; 3-D Visualisation; Natural User Interfaces; Public and Environmental Health; Crisis Informatics ID ANALYTICS; MOBILE; GIS; NETWORKS; EVENTS AB 'Wikification of GIS by the masses' is a phrase-term first coined by Kamel Boulos in 2005, two years earlier than Goodchild's term 'Volunteered Geographic Information'. Six years later (2005-2011), OpenStreetMap and Google Earth (GE) are now full-fledged, crowdsourced 'Wikipedias of the Earth' par excellence, with millions of users contributing their own layers to GE, attaching photos, videos, notes and even 3-D (three dimensional) models to locations in GE. From using Twitter in participatory sensing and bicycle-mounted sensors in pervasive environmental sensing, to creating a 100,000-sensor geo-mashup using Semantic Web technology, to the 3-D visualisation of indoor and outdoor surveillance data in real-time and the development of next-generation, collaborative natural user interfaces that will power the spatially-enabled public health and emergency situation rooms of the future, where sensor data and citizen reports can be triaged and acted upon in real-time by distributed teams of professionals, this paper offers a comprehensive state-of-the-art review of the overlapping domains of the Sensor Web, citizen sensing and 'human-in-the-loop sensing' in the era of the Mobile and Social Web, and the roles these domains can play in environmental and public health surveillance and crisis/disaster informatics. We provide an in-depth review of the key issues and trends in these areas, the challenges faced when reasoning and making decisions with real-time crowdsourced data (such as issues of information overload, "noise", misinformation, bias and trust), the core technologies and Open Geospatial Consortium (OGC) standards involved (Sensor Web Enablement and Open GeoSMS), as well as a few outstanding project implementation examples from around the world. C1 [Boulos, Maged N. Kamel] Univ Plymouth, Fac Hlth, Plymouth PL4 8AA, Devon, England. [Boulos, Maged N. Kamel] Natl Geomat Ctr China, Int Soc Photogrammetry & Remote Sensing, Commiss Geodatabases & Digital Mapping 4,ISPRS He, WG Virtual Globes & Context Aware Visualisat 4 4, Beijing 100048, Peoples R China. [Resch, Bernd] MIT, SENSEable City Lab, Cambridge, MA 02139 USA. [Resch, Bernd] Univ Osnabrueck, Inst Geoinformat & Remote Sensing, D-49076 Osnabruck, Germany. [Crowley, David N.; Breslin, John G.] Natl Univ Ireland, Sch Engn & Informat, Galway, Ireland. [Crowley, David N.; Breslin, John G.] Natl Univ Ireland, DERI, Galway, Ireland. [Sohn, Gunho] York Univ, Dept Earth & Space Sci & Engn, Toronto, ON M3J 1P3, Canada. [Sohn, Gunho] Natl Geomat Ctr China, Int Soc Photogrammetry & Remote Sensing, Commiss Photogrammetr Comp Vis & Image Anal 3, ISPRS Headquarters 2008 2012, Beijing 100048, Peoples R China. [Burtner, Russ; Pike, William A.] Pacific NW Natl Lab, Richland, WA 99352 USA. [Jezierski, Eduardo] InSTEDD Innovat Support Emergencies Dis & Disaste, Palo Alto, CA 94306 USA. [Chuang, Kuo-Yu Slayer] ITRI, Hsinchu Cty 310, Taiwan. RP Boulos, MNK (reprint author), Univ Plymouth, Fac Hlth, Plymouth PL4 8AA, Devon, England. EM mnkamelboulos@plymouth.ac.uk RI Kamel Boulos, Maged/B-3728-2013; OI Kamel Boulos, Maged/0000-0003-2400-6303; Crowley, David/0000-0001-9390-1999 NR 119 TC 57 Z9 58 U1 11 U2 156 PU BIOMED CENTRAL LTD PI LONDON PA 236 GRAYS INN RD, FLOOR 6, LONDON WC1X 8HL, ENGLAND SN 1476-072X J9 INT J HEALTH GEOGR JI Int. J. Health Geogr. PD DEC 21 PY 2011 VL 10 AR 67 DI 10.1186/1476-072X-10-67 PG 29 WC Public, Environmental & Occupational Health SC Public, Environmental & Occupational Health GA 892WA UT WOS:000300315100001 ER PT J AU Kundu, N Maity, M Chatterjee, PB Teat, SJ Endo, A Chaudhury, M AF Kundu, Nabanita Maity, Manoranjan Chatterjee, Pabitra Baran Teat, Simon J. Endo, Akira Chaudhury, Muktimoy TI Reporting a Unique Example of Electronic Bistability Observed in the Form of Valence Tautomerism with a Copper(II) Helicate of a Redox-Active Nitrogenous Heterocyclic Ligand SO JOURNAL OF THE AMERICAN CHEMICAL SOCIETY LA English DT Article ID TRANSITION-METAL-COMPLEXES; COBALT-TETRAOXOLENE COMPLEX; X-RAY-ABSORPTION; QUINONE COMPLEXES; COORDINATION-COMPOUNDS; ELECTROACTIVE LIGANDS; CHARGE-DISTRIBUTION; THERMAL HYSTERESIS; ROOM-TEMPERATURE; SOLID-STATE AB Valence tautomeric compounds involving nondixolene-type ligands are rare. The triple-helicate copper(II) complex [Cu-2(II)(L)(3)](ClO4)(4)center dot 3CH(3)CN (1) containing a redox-active N-heterocyclic ligand (L) has been prepared and displays VT equilibrium in solution, as established by electronic spectroscopy, electron paramagnetic resonance spectroscopy, and cyclic and differential pulse voltammetry carried out at variable temperatures. The process involves intramolecular transfer of an electron from one of the L ligands to a copper(II) center, leading to the oxidation of L to an L center dot+ radical with concomitant reduction of the Cu-II center to Cu-I, as shown by the equilibrium [(CuCuL center dot+L2)-Cu-II-L-I](4+) reversible arrow [(Cu2L3)-L-II](4+). C1 [Kundu, Nabanita; Maity, Manoranjan; Chatterjee, Pabitra Baran; Chaudhury, Muktimoy] Indian Assoc Cultivat Sci, Dept Inorgan Chem, Kolkata 700032, India. [Teat, Simon J.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Adv Light Source, Berkeley, CA 94720 USA. [Endo, Akira] Sophia Univ, Fac Sci & Technol, Dept Mat & Life Sci, Chiyoda Ku, Tokyo 1028554, Japan. RP Chaudhury, M (reprint author), Indian Assoc Cultivat Sci, Dept Inorgan Chem, Kolkata 700032, India. EM icmc@iacs.res.in FU Council of Scientific and Industrial Research (CSIR), New Delhi; CSIR; DST; Office of Science, Office of Basic Energy Sciences, U.S. Department of Energy [DE-AC02-05CH11231] FX This paper is dedicated to Professor Kamalaksha Nag on the occasion of his 70th birthday. The work was supported by the Council of Scientific and Industrial Research (CSIR), New Delhi. N.K., M.M., and P.B.C. thank the CSIR for research fellowships. Crystallography (in part) was performed at the DST-funded National Single Crystal X-ray Diffraction Facility at IACS. We thank Dr. Abhishek Dey for valuable discussions. The Advanced Light Source is supported by the Director, Office of Science, Office of Basic Energy Sciences, U.S. Department of Energy under Contract DE-AC02-05CH11231. NR 63 TC 15 Z9 15 U1 5 U2 34 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0002-7863 J9 J AM CHEM SOC JI J. Am. Chem. Soc. PD DEC 21 PY 2011 VL 133 IS 50 BP 20104 EP 20107 DI 10.1021/ja2088986 PG 4 WC Chemistry, Multidisciplinary SC Chemistry GA 871BW UT WOS:000298713600021 PM 22085134 ER PT J AU Jupally, VR Kota, R Van Dornshuld, E Mattern, DL Tschumper, GS Jiang, DE Dass, A AF Jupally, Vijay Reddy Kota, Rajesh Van Dornshuld, Eric Mattern, Daniell L. Tschumper, Gregory S. Jiang, De-en Dass, Amala TI Interstaple Dithiol Cross-Linking in Au-25(SR)(18) Nanomolecules: A Combined Mass Spectrometric and Computational Study SO JOURNAL OF THE AMERICAN CHEMICAL SOCIETY LA English DT Article ID SELF-ASSEMBLED MONOLAYERS; NANOCRYSTAL GOLD MOLECULES; LIGAND-EXCHANGE REACTIONS; CHELATING ALKANETHIOLS; CLUSTER MOLECULES; CRYSTAL-STRUCTURE; AU-25 CLUSTERS; THIOCTIC ACID; QUANTUM-DOT; BASIS-SETS AB A systematic study of cross-linking chemistry of the Au-25(SR)(18) nanomolecule by dithiols of varying chain length, HS-(CH2)(n)-SH where n = 2, 3, 4, 5, and 6, is presented here. Monothiolated Au-25 has six [RSAuSRAuSR] staple motifs on its surface, and MALDI mass spectrometry data of the ligand exchanged clusters show that propane (C3) and butane (C4) dithiols have ideal chain lengths for interstaple cross-linking and that up to six C3 or C4 dithiols can be facilely exchanged onto the cluster surface. Propanedithiol predominately exchanges with two monothiols at a time, making cross-linking bridges, while butanedithiol can exchange with either one or two monothiols at a time. The extent of cross-linking can be controlled by the Au-25(SR)(18) is to dithiol ratio, the reaction time of ligand exchange, or the addition of a hydrophobic tail to the dithiol. MALDI MS suggests that during ethane (C2) dithiol exchange, two ethanedithiols become connected by a disulfide bond; this result is supported by density functional theory (DFT) prediction of the optimal chain length for the intrastaple coupling. Both optical absorption spectroscopy and DFT computations show that the electronic structure of the Au-25 nanomolecule retains its main features after exchange of up to eight monothiol ligands. C1 [Jupally, Vijay Reddy; Kota, Rajesh; Van Dornshuld, Eric; Mattern, Daniell L.; Tschumper, Gregory S.; Dass, Amala] Univ Mississippi, Dept Chem & Biochem, University, MS 38677 USA. [Jiang, De-en] Oak Ridge Natl Lab, Div Chem Sci, Oak Ridge, TN 37831 USA. RP Dass, A (reprint author), Univ Mississippi, Dept Chem & Biochem, University, MS 38677 USA. EM amal@olemiss.edu RI Jiang, De-en/D-9529-2011; OI Jiang, De-en/0000-0001-5167-0731; Tschumper, Gregory/0000-0002-3933-2200; Dornshuld, Eric/0000-0002-1112-9526 FU National Science Foundation [0903787, CHE-0957317, EPS-0903787, CHE 0848206]; University of Mississippi; CLA; Mississippi Center for Supercomputing Research; Division of Chemical Sciences, Geosciences, and Biosciences, Office of Basic Energy Sciences, U.S. Department of Energy; Office of Science of the U.S. Department of Energy [DE-AC02-05CH11231] FX A.D. gratefully acknowledges support from the National Science Foundation (0903787), University of Mississippi Startup Fund, and CLA summer research grant. G.T. acknowledges NSF (CHE-0957317 and EPS-0903787) and the Mississippi Center for Supercomputing Research. D.L.M. gratefully acknowledges support from the National Science Foundation CHE 0848206. D-E.J was supported by the Division of Chemical Sciences, Geosciences, and Biosciences, Office of Basic Energy Sciences, U.S. Department of Energy. We thank Charles Hussey, Glen Hopkins, and College of Liberal Arts for Bruker Autoflex I MALDI TOF instrumentation support. This research used resources of the National Energy Research Scientific Computing Center, which is supported by the Office of Science of the U.S. Department of Energy under Contract No. DE-AC02-05CH11231. NR 63 TC 44 Z9 44 U1 4 U2 38 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0002-7863 J9 J AM CHEM SOC JI J. Am. Chem. Soc. PD DEC 21 PY 2011 VL 133 IS 50 BP 20258 EP 20266 DI 10.1021/ja206436x PG 9 WC Chemistry, Multidisciplinary SC Chemistry GA 871BW UT WOS:000298713600048 PM 22107333 ER PT J AU Petridis, L Schulz, R Smith, JC AF Petridis, Loukas Schulz, Roland Smith, Jeremy C. TI Simulation Analysis of the Temperature Dependence of Lignin Structure and Dynamics SO JOURNAL OF THE AMERICAN CHEMICAL SOCIETY LA English DT Article ID COIL-GLOBULE TRANSITION; PARTICLE MESH EWALD; MOLECULAR-DYNAMICS; HYDROPHOBIC INTERACTIONS; GLASS-TRANSITION; POLYMER COLLAPSE; WATER; CHAIN; MODEL; PRETREATMENT AB Lignins are hydrophobic, branched polymers that regulate water conduction and provide protection against chemical and biological degradation in plant cell walls. Lignins also form a residual barrier to effective hydrolysis of plant biomass pretreated at elevated temperatures in cellulosic ethanol production. Here, the temperature-dependent structure and dynamics of individual softwood lignin polymers in aqueous solution are examined using extensive (17 mu s) molecular dynamics simulations. With decreasing temperature the lignins are found to transition from mobile, extended to glassy, compact states. The polymers are composed of blobs, inside which the radius of gyration of a polymer segment is a power-law function of the number of monomers comprising it. In the low temperature states the blobs are interpermeable, the polymer does not conform to Zimm/Stockmayer theory, and branching does not lead to reduction of the polymer size, the radius of gyration being instead determined by shape anisotropy. At high temperatures the blobs become spatially separated leading to a fractal crumpled globule form. The low-temperature collapse is thermodynamically driven by the increase of the translational entropy and density fluctuations of water molecules removed from the hydration shell, thus distinguishing lignin collapse from enthalpically driven coil-globule polymer transitions and providing a thermodynamic role of hydration water density fluctuations in driving hydrophobic polymer collapse. Although hydrophobic, lignin is wetted, leading to locally enhanced chain dynamics of solvent-exposed monomers. The detailed characterization obtained here provides insight at atomic detail into processes relevant to biomass pretreatment for cellulosic ethanol production and general polymer coil-globule transition phenomena. C1 [Petridis, Loukas; Schulz, Roland; Smith, Jeremy C.] Oak Ridge Natl Lab, UT ORNL Ctr Mol Biophys, Oak Ridge, TN 37831 USA. [Schulz, Roland] Univ Tennessee, Dept Biochem & Cellular & Mol Biol, Knoxville, TN 37996 USA. RP Smith, JC (reprint author), Oak Ridge Natl Lab, UT ORNL Ctr Mol Biophys, POB 2008, Oak Ridge, TN 37831 USA. EM smithjc@ornl.gov RI Petridis, Loukas/B-3457-2009; smith, jeremy/B-7287-2012; Schulz, Roland/A-1868-2010 OI Petridis, Loukas/0000-0001-8569-060X; smith, jeremy/0000-0002-2978-3227; Schulz, Roland/0000-0003-1603-2413 FU Office of Biological and Environmental Research, Office of Science, U.S. Department of Energy [FWP ERKP752]; DOE Office of Science FX We thank Shiang-Tai Lin for discussion on water entropy. This research was funded by the Genomic Science Program, Office of Biological and Environmental Research, Office of Science, U.S. Department of Energy under Contract FWP ERKP752. Resources of the National Center for Computational Sciences at Oak Ridge National Laboratory were used under an INCITE award from the DOE Office of Science. NR 90 TC 41 Z9 41 U1 11 U2 81 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0002-7863 J9 J AM CHEM SOC JI J. Am. Chem. Soc. PD DEC 21 PY 2011 VL 133 IS 50 BP 20277 EP 20287 DI 10.1021/ja206839u PG 11 WC Chemistry, Multidisciplinary SC Chemistry GA 871BW UT WOS:000298713600050 PM 22035184 ER PT J AU Butcher, DR Grass, ME Zeng, ZH Aksoy, F Bluhm, H Li, WX Mun, BS Somorjai, GA Liu, Z AF Butcher, Derek R. Grass, Michael E. Zeng, Zhenhua Aksoy, Funda Bluhm, Hendrik Li, Wei-Xue Mun, Bongjin S. Somorjai, Gabor A. Liu, Zhi TI In Situ Oxidation Study of Pt(110) and Its Interaction with CO SO JOURNAL OF THE AMERICAN CHEMICAL SOCIETY LA English DT Article ID RAY PHOTOELECTRON-SPECTROSCOPY; PT-GROUP METALS; AMBIENT-PRESSURE; PYRROLE HYDROGENATION; LEVEL SHIFTS; SURFACE; PLATINUM; OXIDE; NANOPARTICLES; PHOTOEMISSION AB Many interesting structures have been observed for O(2)-exposed Pt(110). These structures, along with their stability and reactivity toward CO, provide insights into catalytic processes on open Pt surfaces, which have similarities to Pt nanoparticle catalysts. In this study, we present results from ambient-pressure X-ray photoelectron spectroscopy, high-pressure scanning tunneling microscopy, and density functional theory calculations. At low oxygen pressure, only chemisorbed oxygen is observed on the Pt(110) surface. At higher pressure (0.5 Torr of O(2)), nanometer-sized islands of multilayered alpha-PtO(2)-like surface oxide form along with chemisorbed oxygen. Both chemisorbed oxygen and the surface oxide are removed in the presence of CO, and the rate of disappearance of the surface oxide is dose to that of the chemisorbed oxygen at 270 K. The spectroscopic features of the surface oxide are similar to the oxide observed on Pt nanoparticles of a similar size, which provides us an extra incentive to revisit some single-crystal model catalyst surfaces under elevated pressure using in situ tools. C1 [Grass, Michael E.; Mun, Bongjin S.] Hanyang Univ, Dept Appl Phys, ERICA, Seoul 426791, South Korea. [Butcher, Derek R.; Zeng, Zhenhua; Li, Wei-Xue] Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China. [Aksoy, Funda] Nigde Univ, Dept Phys, Fac Arts & Sci, Nigde, Turkey. [Somorjai, Gabor A.] Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA. [Butcher, Derek R.; Grass, Michael E.; Aksoy, Funda; Bluhm, Hendrik; Somorjai, Gabor A.; Liu, Zhi] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA. RP Li, WX (reprint author), Harvard Univ, Dept Chem & Chem Biol, Cambridge, MA 02138 USA. EM wxli@dicp.ac.cn; bsmun@hanyang.ac.kr; zliu2@lbl.gov RI Zeng, Zhenhua/E-1795-2012; Mun, Bongjin /G-1701-2013; Liu, Zhi/B-3642-2009 OI Zeng, Zhenhua/0000-0002-3087-8581; Liu, Zhi/0000-0002-8973-6561 FU Office of Science, Office of Basic Energy Sciences, of the U.S. Department of Energy [DE-AC02-05CH11231]; National Science Foundation of China [20873142, 20923001]; Ministry of Science and Technology of China [2007CB815205]; Korea Research Foundation (KRF); Korean government (MEST) [2009-0068720]; ALS FX The Advanced Light Source is supported by the Director, Office of Science, Office of Basic Energy Sciences, of the U.S. Department of Energy under Contract No. DE-AC02-05CH11231. We thank Dr. Yimin Li for the fruitful discussion. W.-X.L. acknowledges financial support by the National Science Foundation of China (Nos. 20873142 and 20923001), the Ministry of Science and Technology of China (No. 2007CB815205). B.S.M. appreciates the support of the Korea Research Foundation (KRF) grant funded by the Korean government (MEST) (No. 2009-0068720). M.E.G. acknowledges the support of the ALS Postdoctoral Fellowship program. NR 41 TC 57 Z9 59 U1 6 U2 91 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0002-7863 J9 J AM CHEM SOC JI J. Am. Chem. Soc. PD DEC 21 PY 2011 VL 133 IS 50 BP 20319 EP 20325 DI 10.1021/ja207261s PG 7 WC Chemistry, Multidisciplinary SC Chemistry GA 871BW UT WOS:000298713600054 PM 22070406 ER PT J AU Carsten, B Szarko, JM Son, HJ Wang, W Lu, LY He, F Rolczynski, BS Lou, SJ Chen, LX Yu, LP AF Carsten, Bridget Szarko, Jodi M. Son, Hae Jung Wang, Wei Lu, Luyao He, Feng Rolczynski, Brian S. Lou, Sylvia J. Chen, Lin X. Yu, Luping TI Examining the Effect of the Dipole Moment on Charge Separation in Donor-Acceptor Polymers for Organic Photovoltaic Applications SO JOURNAL OF THE AMERICAN CHEMICAL SOCIETY LA English DT Article ID HETEROJUNCTION SOLAR-CELLS; HIGH-PERFORMANCE; SEMICONDUCTING POLYMERS; CONVERSION EFFICIENCY; CONJUGATED POLYMERS; ENERGY; COPOLYMER AB A new low band gap copolymer PBB3 containing [6,6']bi[thieno[3,4-b]thiophenyl]-2,2'-dicarboxylic acid bis(2-butyloctyl) ester (BTT) and 4,8-bis(2-butyloctyl)benzo[1,2-b:4,5-b']dithiophene (BDT) units was synthesized and tested for solar cell efficiency. PBB3 showed a broad absorbance in the near-IR region with a substantially red-shifted (by more than 100 nm) lambda(max) at 790 nm as compared to the PTB series of polymers, which have been previously reported. The PBB3 polymer also showed both a favorable energy level match with PCBM (with a LUMO energy level of -3.29 eV) and a favorable film domain morphology as evidenced by TEM images. Despite these seemingly optimal parameters, a bulk heterojunction (BHJ) photovoltaic device fabricated from a blend of PBB3 and PG(71)BM showed an overall power conversion efficiency (PCE) of only 2.04% under AM 1.5G/100 mW cm(-2). The transient absorption spectra of PBB3 showed the absence of cationic and pseudo charge transfer states that were observed previously in the PTB series polymers, which were also composed of alternating thienothiophene (TT) and BDT units. We compared the spectral features and electronic density distribution of PBB3 with those of PTB2, PTB7, and PTBF2. While PTB2 and PTB7 have substantial charge transfer characteristics and also relatively large local internal dipoles through BDT to TT moieties, PTBF2 and PBB3 have minimized internal dipole moments due to the presence of two adjacent TT units (or two opposing fluorine atoms in PTBF2) with opposite orientations or internal dipoles. PBB3 showed a long-lived excitonic state and the slowest electron transfer dynamics of the series of polymers, as well as the fastest recombination rate of the charge-separated (CS) species, indicating that electrons and holes are more tightly bound in these species. Consequently, substantially lower degrees of charge separation were observed in both PBB3 and PTBF2. These results show that not only the energetics but also the internal dipole moment along the polymer chain may be critical in maintaining the pseudocharge transfer characteristics of these systems, which were shown to be partially responsible for the high PCE device made from the PTB series of low band gap copolymers. C1 [Rolczynski, Brian S.; Lou, Sylvia J.; Chen, Lin X.] Northwestern Univ, Dept Chem, Evanston, IL 60208 USA. [Rolczynski, Brian S.; Chen, Lin X.; Yu, Luping] Northwestern Univ, ANSER Ctr, Evanston, IL 60208 USA. [Carsten, Bridget; Son, Hae Jung; Wang, Wei; Lu, Luyao; He, Feng; Yu, Luping] Univ Chicago, Dept Chem, Chicago, IL 60637 USA. [Szarko, Jodi M.; Rolczynski, Brian S.; Lou, Sylvia J.; Chen, Lin X.] Argonne Natl Lab, Chem Sci & Engn Div, Argonne, IL 60439 USA. [Carsten, Bridget; Son, Hae Jung; Wang, Wei; Lu, Luyao; He, Feng; Yu, Luping] Univ Chicago, James Franck Inst, Chicago, IL 60637 USA. RP Chen, LX (reprint author), Northwestern Univ, Dept Chem, 2145 Sheridan Rd, Evanston, IL 60208 USA. EM lchen@anl.gov; lupingyu@uchicago.edu RI Lu, Luyao/J-6553-2015; He, Feng/J-2878-2014; OI He, Feng/0000-0002-8596-1366; Szarko, Jodi/0000-0002-2181-9408 FU NSF [DMR-1004195]; AFOSR; NSF MRSEC at the University of Chicago; DOE via the ANSER Center; U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences [DE-SC0001059] FX We gratefully acknowledge support of this work by the NSF (NSF DMR-1004195), AFOSR and NSF MRSEC program at the University of Chicago, and DOE via the ANSER Center, an Energy Frontier Research Center funded by the U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences, under award number DE-SC0001059. NR 39 TC 185 Z9 185 U1 16 U2 257 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0002-7863 J9 J AM CHEM SOC JI J. Am. Chem. Soc. PD DEC 21 PY 2011 VL 133 IS 50 BP 20468 EP 20475 DI 10.1021/ja208642b PG 8 WC Chemistry, Multidisciplinary SC Chemistry GA 871BW UT WOS:000298713600069 PM 22077184 ER PT J AU Zhao, LD Lo, SH He, JQ Li, H Biswas, K Androulakis, J Wu, CI Hogan, TP Chung, DY Dravid, VP Kanatzidis, MG AF Zhao, Li-Dong Lo, Shih-Han He, Jiaqing Li, Hao Biswas, Kanishka Androulakis, John Wu, Chun-I Hogan, Timothy P. Chung, Duck-Young Dravid, Vinayak P. Kanatzidis, Mercouri G. TI High Performance Thermoelectrics from Earth-Abundant Materials: Enhanced Figure of Merit in PbS by Second Phase Nanostructures SO JOURNAL OF THE AMERICAN CHEMICAL SOCIETY LA English DT Article ID LATTICE THERMAL-CONDUCTIVITY; LEAD-CHALCOGENIDES; BULK MATERIALS; PBTE; EFFICIENCY; TELLURIDE; SYSTEM; ALLOYS; BI; SB AB Lead sulfide, a compound consisting of elements with high natural abundance, can be converted into an excellent thermoelectric material. We report extensive doping studies, which show that the power factor maximum for pure n-type PbS can be raised substantially to similar to 12 mu W cm(-1) K(-2) at >723 K using 1.0 mol % PbCl(2) as the electron donor dopant. We also report that the lattice thermal conductivity of PbS can be greatly reduced by adding selected metal sulfide phases. The thermal conductivity at 723 K can be reduced by similar to 50%, 52%, 30%, and 42% through introduction of up to 5.0 mol % Bi(2)S(3), Sb(2)S(3), SrS, and CaS, respectively. These phases form as nanoscale precipitates in the PbS matrix, as confirmed by transmission electron microscopy (TEM), and the experimental results show that they cause huge phonon scattering. As a consequence of this nanostructuring, ZT values as high as 0.8 and 0.78 at 723 K can be obtained for nominal bulk PbS material. When processed with spark plasma sintering, PbS samples with 1.0 mol % Bi(2)S(3) dispersion phase and doped with 1.0 mol % PbCl2 show even lower levels of lattice thermal conductivity and further enhanced ZT values of 1.1 at 923 K. The promising thermoelectric properties promote PbS as a robust alternative to PbTe and other thermoelectric materials. C1 [Zhao, Li-Dong; He, Jiaqing; Li, Hao; Biswas, Kanishka; Androulakis, John; Kanatzidis, Mercouri G.] Northwestern Univ, Dept Chem, Evanston, IL 60208 USA. [Lo, Shih-Han; He, Jiaqing; Dravid, Vinayak P.] Northwestern Univ, Dept Mat Sci & Engn, Evanston, IL 60208 USA. [Wu, Chun-I; Hogan, Timothy P.] Michigan State Univ, Dept Elect & Comp Engn, E Lansing, MI 48824 USA. [Chung, Duck-Young; Kanatzidis, Mercouri G.] Argonne Natl Lab, Div Mat Sci, Argonne, IL 60439 USA. RP Kanatzidis, MG (reprint author), Northwestern Univ, Dept Chem, 2145 Sheridan Rd, Evanston, IL 60208 USA. EM m-kanatzidis@northwestern.edu RI Dravid, Vinayak/B-6688-2009; Zhao, Li-Dong/M-8781-2013; zhao, li-dong/H-4017-2012; Li, Hao/C-8685-2015 FU U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences [DE-SC0001054]; NSF/DOE [CBET-1048728]; U.S. Department of Energy, Office of Science [DE-AC02-06CH11357]; NSF-NSEC; NSF-MRSEC; Keck Foundation; State of Illinois; Northwestern University FX This material is based upon work supported as part of the Revolutionary Materials for Solid State Energy Conversion, an Energy Frontier Research Center funded by the U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences under Award Number DE-SC0001054. Part of this work was supported by grant CBET-1048728 NSF/DOE-EERE Thermoelectrics Partnership program (L.Z.). This work was also supported by the U.S. Department of Energy, Office of Science under Contract No. DE-AC02-06CH11357. Transmission electron microscopy work was performed in the (EPIC) (NIFTI) (Keck-II) facility of NUANCE Center at Northwestern University. The NUANCE Center is supported by NSF-NSEC, NSF-MRSEC, Keck Foundation, the State of Illinois, and Northwestern University. NR 56 TC 138 Z9 138 U1 18 U2 136 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0002-7863 J9 J AM CHEM SOC JI J. Am. Chem. Soc. PD DEC 21 PY 2011 VL 133 IS 50 BP 20476 EP 20487 DI 10.1021/ja208658w PG 12 WC Chemistry, Multidisciplinary SC Chemistry GA 871BW UT WOS:000298713600070 PM 22126301 ER PT J AU Zhuang, TD Jap, BK Sanders, CR AF Zhuang, Tiandi Jap, Bing K. Sanders, Charles R. TI Solution NMR Approaches for Establishing Specificity of Weak Heterodimerization of Membrane Proteins SO JOURNAL OF THE AMERICAN CHEMICAL SOCIETY LA English DT Article ID AMYLOID PRECURSOR PROTEIN; NUCLEAR-MAGNETIC-RESONANCE; GAMMA-SECRETASE COMPLEX; C-TERMINAL DOMAIN; ALZHEIMERS-DISEASE; TRANSMEMBRANE DOMAIN; POTASSIUM CHANNEL; GXXXG MOTIFS; CD147; SPECTROSCOPY AB Solution NMR provides a powerful approach for detecting complex formation involving weak to moderate intermolecular affinity. However, solution NMR has only rarely been used to detect complex formation between two membrane proteins in model membranes. The impact of specific binding on the NMR spectrum of a membrane protein can be difficult to distinguish from spectral changes that are induced by nonspecific binding and/or by changes that arise from forced cohabitation of the two proteins in a single model membrane assembly. This is particularly the case when solubility limits make it impossible to complete a titration to the point of near saturation of complex formation. In this work experiments are presented that provide the basis for establishing whether specific complex formation occurs between two membrane proteins under conditions where binding is not of high avidity. Application of these methods led to the conclusion that the membrane protein CD 147 (also known as EMMPRIN or basigin) forms a specific heterodimeric complex in the membrane with the 99-residue transmembrane C-terminal fragment of the amyloid precursor protein (C99 or APP-beta CTF), the latter being the immediate precursor of the amyloid-beta polypeptides that are closely linked to the etiology of Alzheimer's disease. C1 [Zhuang, Tiandi; Sanders, Charles R.] Vanderbilt Univ, Dept Biochem, Sch Med, Nashville, TN 37232 USA. [Zhuang, Tiandi; Sanders, Charles R.] Vanderbilt Univ, Struct Biol Ctr, Sch Med, Nashville, TN 37232 USA. [Jap, Bing K.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Div Life Sci, Berkeley, CA 94720 USA. RP Sanders, CR (reprint author), Vanderbilt Univ, Dept Biochem, Sch Med, Nashville, TN 37232 USA. EM chuck.sanders@vanderbilt.edu RI Zhuang, Tiandi/K-6456-2013 FU Alzheimer Association [IIRG-07-59379]; NIH [PO1 GM080513, U54 GM094608] FX This work was supported by Alzheimer Association Grant IIRG-07-59379 and by NIH Grants PO1 GM080513 and U54 GM094608. NR 33 TC 21 Z9 22 U1 0 U2 12 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0002-7863 J9 J AM CHEM SOC JI J. Am. Chem. Soc. PD DEC 21 PY 2011 VL 133 IS 50 BP 20571 EP 20580 DI 10.1021/ja208972h PG 10 WC Chemistry, Multidisciplinary SC Chemistry GA 871BW UT WOS:000298713600080 PM 22084929 ER PT J AU Nafziger, J Wu, Q Wasserman, A AF Nafziger, Jonathan Wu, Qin Wasserman, Adam TI Molecular binding energies from partition density functional theory SO JOURNAL OF CHEMICAL PHYSICS LA English DT Article ID EXCHANGE-CORRELATION POTENTIALS; CHEMICAL-REACTIVITY THEORY; ELECTRON-DENSITIES AB Approximate molecular calculations via standard Kohn-Sham density functional theory are exactly reproduced by performing self-consistent calculations on isolated fragments via partition density functional theory [P. Elliott, K. Burke, M. H. Cohen, and A. Wasserman, Phys. Rev. A 82, 024501 (2010)]. We illustrate this with the binding curves of small diatomic molecules. We find that partition energies are in all cases qualitatively similar and numerically close to actual binding energies. We discuss qualitative features of the associated partition potentials. (C) 2011 American Institute of Physics. [doi:10.1063/1.3667198] C1 [Nafziger, Jonathan; Wasserman, Adam] Purdue Univ, Dept Phys, W Lafayette, IN 47907 USA. [Wu, Qin] Brookhaven Natl Lab, Ctr Funct Nanomat, Upton, NY 11973 USA. [Wasserman, Adam] Purdue Univ, Dept Chem, W Lafayette, IN 47907 USA. RP Nafziger, J (reprint author), Purdue Univ, Dept Phys, 525 Northwestern Ave, W Lafayette, IN 47907 USA. EM jnafzig@purdue.edu; qinwu@bnl.gov; awasser@purdue.edu RI Wu, Qin/C-9483-2009 OI Wu, Qin/0000-0001-6350-6672 FU Office of Basic Energy Sciences, U.S. Department of Energy [DE-FG02-10ER16196, DE-AC02-98CH10886] FX We would like to thank our anonymous reviewers for extremely helpful comments. We acknowledge support from the Office of Basic Energy Sciences, U.S. Department of Energy, under grant No. DE-FG02-10ER16196. This research was carried out in part at the Center for Functional Nanomaterials, Brookhaven National Laboratory, which is supported by the U.S. Department of Energy, Office of Basic Energy Sciences, under Contract No. DE-AC02-98CH10886. NR 39 TC 25 Z9 25 U1 2 U2 16 PU AMER INST PHYSICS PI MELVILLE PA 1305 WALT WHITMAN RD, STE 300, MELVILLE, NY 11747-4501 USA SN 0021-9606 EI 1089-7690 J9 J CHEM PHYS JI J. Chem. Phys. PD DEC 21 PY 2011 VL 135 IS 23 AR 234101 DI 10.1063/1.3667198 PG 6 WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical SC Chemistry; Physics GA 868QW UT WOS:000298539900002 PM 22191858 ER PT J AU Bussmann, E Ermanoski, I Feibelman, PJ Bartelt, NC Kellogg, GL AF Bussmann, E. Ermanoski, I. Feibelman, P. J. Bartelt, N. C. Kellogg, G. L. TI Buried Pd slows self-diffusion on Cu(001) SO PHYSICAL REVIEW B LA English DT Article ID INITIO MOLECULAR-DYNAMICS; TOTAL-ENERGY CALCULATIONS; AUGMENTED-WAVE METHOD; AB-INITIO; SURFACE ALLOY; BASIS-SET; CU(100); METALS; GROWTH; FILMS AB Using low-energy electron microscopy, we determine that self-diffusion of the Cu(001) surface is slowed by the presence of a c(2 x 2)-Pd buried surface alloy. We probe surface diffusion using Cu-adatom island-ripening measurements. On alloyed surfaces, the island decay rate decreases monotonically as the Pd concentration is increased up to similar to 0.5 monolayer (ML), where the 2 x 2 buried alloy is Pd saturated. We propose that the Pd slows island ripening by inhibiting the diffusion of surface vacancies across terraces. For dilute alloys (less than or similar to 0.2-ML Pd), this conclusion is supported by density-functional theory calculations, which show that surface vacancies migrate more slowly owing to an attraction to isolated buried Pd atoms. The results illustrate a fundamental mechanism by which even a dilute alloy thin-film coating may act to inhibit surface-diffusion-mediated processes, such as electromigration. C1 [Bussmann, E.; Ermanoski, I.; Feibelman, P. J.; Kellogg, G. L.] Sandia Natl Labs, Albuquerque, NM 87185 USA. [Bartelt, N. C.] Sandia Natl Labs, Livermore, CA 94551 USA. RP Bussmann, E (reprint author), Sandia Natl Labs, POB 5800, Albuquerque, NM 87185 USA. EM ebussma@sandia.gov RI Bartelt, Norman/G-2927-2012 FU US Department of Energy, Office of Basic Energy Sciences, Division of Materials Science and Engineering; US Department of Energy [DE-AC04-94AL85000] FX We thank B. S. Swartzentruber for insightful discussions and J. Hannon (IBM) for his image-analysis software. The work performed at Sandia was supported by the US Department of Energy, Office of Basic Energy Sciences, Division of Materials Science and Engineering. Sandia National Laboratories is a multiprogram laboratory operated by Sandia Corporation, a Lockheed-Martin Company, for the US Department of Energy under contract no. DE-AC04-94AL85000. NR 41 TC 3 Z9 3 U1 2 U2 17 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1098-0121 J9 PHYS REV B JI Phys. Rev. B PD DEC 21 PY 2011 VL 84 IS 24 AR 245440 DI 10.1103/PhysRevB.84.245440 PG 10 WC Physics, Condensed Matter SC Physics GA 868YI UT WOS:000298562100002 ER PT J AU Kamiya, Y Kawashima, N Batista, CD AF Kamiya, Y. Kawashima, N. Batista, C. D. TI Dimensional crossover in the quasi-two-dimensional Ising-O(3) model SO PHYSICAL REVIEW B LA English DT Article ID PHASE-TRANSITIONS; HEISENBERG-ANTIFERROMAGNET; CRITICAL-BEHAVIOR; SPIN SYSTEMS; MONTE-CARLO; ORDER; SUPERCONDUCTIVITY; DISORDER AB We present the results of our Monte Carlo simulation of the Ising-O(3) model on two-dimensional (2D) and quasi-2D lattices. This model is an effective classical model for the stacked square-lattice J(1)-J(2) Heisenberg model, where the nearest-neighbor (J(1)) and next-nearest-neighbor (J(2)) couplings are frustrated and we assume that J(2) is dominant. We find an Ising ordered phase in which the O(3) spins remain disordered in a moderate quasi-2D region. There is a single first-order transition for a sufficiently large 3D coupling, in agreement with a renormalization group treatment. The subtle region in which the single transition splits into two transitions is also discussed and compared against recent measurements of two very close transitions in BaFe(2)As(2). Our results can provide a qualitative explanation of the experiments on ferropnictides, namely the observed sequence and orders of the structural and magnetic transitions, in terms of the ratio between the interlayer and intralayer coupling. C1 [Kamiya, Y.; Batista, C. D.] Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA. [Kawashima, N.] Univ Tokyo, Inst Solid State Phys, Kashiwa, Chiba 2278581, Japan. RP Kamiya, Y (reprint author), Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA. RI Kamiya, Yoshitomo/B-6307-2012; Batista, Cristian/J-8008-2016 OI Kamiya, Yoshitomo/0000-0002-0758-0234; FU GCOE for Phys. Sci. Frontier, MEXT, Japan; MEXT [22340111, 19052004]; U.S. DOE through the LDRD [DE-AC52-06NA25396] FX We acknowledge M. Oshikawa, H. Tsunetsugu, S. Miyashita, M. Takigawa, T. Sakakibara, and R. M. Fernandes for valuable discussions and comments. The computation in the present work was executed at the Supercomputer Center, Institute for Solid State Physics, University of Tokyo. This work is financially supported by GCOE for Phys. Sci. Frontier, MEXT, Japan, the MEXT Grant-in-Aid for Scientific Research (B) (22340111), the MEXT Grant-in-Aid for Scientific Research on Priority Areas "Novel States of Matter Induced by Frustration' (19052004), and the Next Generation Supercomputing Project, Nanoscience Program, MEXT, Japan. Work at Los Alamos National Laboratory was performed under the auspices of the U.S. DOE, Contract No. DE-AC52-06NA25396, through the LDRD program. NR 49 TC 24 Z9 24 U1 0 U2 6 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1098-0121 J9 PHYS REV B JI Phys. Rev. B PD DEC 21 PY 2011 VL 84 IS 21 AR 214429 DI 10.1103/PhysRevB.84.214429 PG 12 WC Physics, Condensed Matter SC Physics GA 867XM UT WOS:000298488100003 ER PT J AU Kreyssig, A Kim, MG Kim, JW Pratt, DK Sauerbrei, SM March, SD Tesdall, GR Bud'ko, SL Canfield, PC McQueeney, RJ Goldman, AI AF Kreyssig, A. Kim, M. G. Kim, J. W. Pratt, D. K. Sauerbrei, S. M. March, S. D. Tesdall, G. R. Bud'ko, S. L. Canfield, P. C. McQueeney, R. J. Goldman, A. I. TI Magnetic order in GdBiPt studied by x-ray resonant magnetic scattering SO PHYSICAL REVIEW B LA English DT Article ID SINGLE DIRAC CONE; TOPOLOGICAL INSULATORS; SURFACE; CEBIPT; YBBIPT; BI2TE3; PHASE; FIELD AB Rare-earth (R) half-Heusler compounds RBiPt exhibit a wide spectrum of interesting ground states. We have employed x-ray resonant magnetic scattering to elucidate the microscopic details of the magnetic structure in GdBiPt below T(N) = 8.5 K. Experiments at the Gd L(2) absorption edge show that the Gd moments order in an antiferromagnetic stacking along the cubic diagonal [111] direction, satisfying one of the requirements for an antiferromagnetic topological insulator as proposed previously, where both time-reversal symmetry and lattice translational symmetry are broken, but their product is conserved. C1 [Kreyssig, A.; Kim, M. G.; Pratt, D. K.; Sauerbrei, S. M.; March, S. D.; Tesdall, G. R.; Bud'ko, S. L.; Canfield, P. C.; McQueeney, R. J.; Goldman, A. I.] Iowa State Univ Sci & Technol, Ames Lab, US Dept Energy, Ames, IA 50011 USA. [Kreyssig, A.; Kim, M. G.; Pratt, D. K.; Sauerbrei, S. M.; March, S. D.; Tesdall, G. R.; Bud'ko, S. L.; Canfield, P. C.; McQueeney, R. J.; Goldman, A. I.] Iowa State Univ Sci & Technol, Dept Phys & Astron, Ames, IA 50011 USA. [Kim, J. W.] Argonne Natl Lab, Adv Photon Source, Argonne, IL 60439 USA. RP Kreyssig, A (reprint author), Iowa State Univ Sci & Technol, Ames Lab, US Dept Energy, Ames, IA 50011 USA. RI Kim, Min Gyu/B-8637-2012; Canfield, Paul/H-2698-2014; McQueeney, Robert/A-2864-2016 OI Kim, Min Gyu/0000-0001-7676-454X; McQueeney, Robert/0000-0003-0718-5602 FU Division of Materials Sciences and Engineering, Office of Basic Energy Sciences, US Department of Energy; US Department of Energy [DE-AC02-07CH11358]; US DOE [DE-AC02-06CH11357] FX We acknowledge valuable discussions with A. Kaminski, J. E. Moore, R. S. K. Mong, P. J. Ryan, and J. C. Lang. This work was supported by the Division of Materials Sciences and Engineering, Office of Basic Energy Sciences, US Department of Energy. Ames Laboratory is operated for the US Department of Energy by Iowa State University under Contract No. DE-AC02-07CH11358. Use of the Advanced Photon Source was supported by the US DOE under Contract No. DE-AC02-06CH11357. NR 31 TC 9 Z9 9 U1 4 U2 24 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1098-0121 J9 PHYS REV B JI Phys. Rev. B PD DEC 21 PY 2011 VL 84 IS 22 AR 220408 DI 10.1103/PhysRevB.84.220408 PG 4 WC Physics, Condensed Matter SC Physics GA 868WB UT WOS:000298555800002 ER PT J AU Moon, EJ Ozer, MM Thompson, JR Weitering, HH AF Moon, Eun Ju Oezer, Mustafa M. Thompson, James R. Weitering, Hanno H. TI Influence of interface reconstruction on the formation and superconductive properties of metastable Pb-Ga alloy films SO PHYSICAL REVIEW B LA English DT Article ID SCHOTTKY-BARRIER; GROWTH; METAL; PB/SI(111); SI(111) AB We show that the growth, composition, and superconductive properties of ultrathin Pb(1-x)Ga(x) alloy films depend strongly on the atomic structure of the substrate interface. Whereas alloy films on the Si(111)-(7 x 7) surface grow in multilayers, reminiscent of the quantum growth phenomenon observed in pure Pb layers, alloy films on the Si(111)-(root 3 x root 3) R30 degrees-Pb and Si(111)-(root 3 x root 3) R30 degrees-Ga interfaces gradually switch to classical layer-by-layer growth. The (7 x 7) interface is unique in that it enables formation of atomically smooth alloy films containing up to 6% of Ga, which is far beyond the solid solubility limit. In contrast, the (root 3 x root 3) interfaces promote phase separation. The contrasting influences of these interfaces are also reflected by their superconductive properties, most notably by the differences in the critical current density, exceeding more than one order of magnitude. C1 [Moon, Eun Ju; Oezer, Mustafa M.; Thompson, James R.; Weitering, Hanno H.] Univ Tennessee, Dept Phys & Astron, Knoxville, TN 37996 USA. [Oezer, Mustafa M.; Thompson, James R.; Weitering, Hanno H.] Oak Ridge Natl Lab, Mat Sci & Technol Div, Oak Ridge, TN 37831 USA. RP Moon, EJ (reprint author), Univ Tennessee, Dept Phys & Astron, Knoxville, TN 37996 USA. EM hanno@utk.edu RI Moon, Eun Ju/C-7856-2014 FU US Department of Energy, Basic Energy Sciences, Materials Sciences and Engineering Division; National Science Foundation [DMR 0906025] FX This research was supported by the US Department of Energy, Basic Energy Sciences, Materials Sciences and Engineering Division (M.M.O., J.R.T., and H.H.W.) and by the National Science Foundation under Contract No. DMR 0906025 (E.J.M.). NR 27 TC 0 Z9 0 U1 3 U2 14 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1098-0121 J9 PHYS REV B JI Phys. Rev. B PD DEC 21 PY 2011 VL 84 IS 23 AR 235434 DI 10.1103/PhysRevB.84.235434 PG 6 WC Physics, Condensed Matter SC Physics GA 868XA UT WOS:000298558400009 ER PT J AU Tarantini, C Jaroszynski, J Kametani, F Zuev, YL Gurevich, A Chen, Y Selvamanickam, V Larbalestier, DC Christen, DK AF Tarantini, C. Jaroszynski, J. Kametani, F. Zuev, Y. L. Gurevich, A. Chen, Y. Selvamanickam, V. Larbalestier, D. C. Christen, D. K. TI Anisotropy of the irreversibility field for Zr-doped (Y,Gd)Ba2Cu3O7-x thin films up to 45 T SO PHYSICAL REVIEW B LA English DT Article ID COATED CONDUCTORS; CRITICAL CURRENTS; COLUMNAR DEFECTS; VORTEX; SUPERCONDUCTORS; YBA2CU3O7; TEMPERATURE; PHASE AB The anisotropic irreversibility field B-Irr of two YBa2Cu3O7-x thin films doped with additional rare earth (RE)= (Gd, Y) and Zr and containing strong correlated pins (splayed BaZrO3 nanorods and RE2O3 nanoprecipitates) has been measured over a very broad range up to 45 T at temperatures 56 K < T < T-c. We found that the experimental angular dependence of BIrr (theta) does not follow the mass anisotropy scaling BIrr (theta) = B-Irr (0)(cos(2)theta + gamma(-2) sin(2)theta)(-1/2), where gamma = (m(c)/m(ab))(1/2) = 5-6 for the RE-doped YBa2Cu3O7-x (REBCO) crystals, m(ab) and m(c) are the effective masses along the ab plane and the c-axis, respectively, and. is the angle between B and the c-axis. For B parallel to the ab planes and to the c-axis correlated pinning strongly enhances B-Irr, while at intermediate angles, B-Irr (theta) follows the scaling behavior B-Irr(theta) proportional to (cos(2)theta + gamma(-2)(RP) sin(2)theta)(-1/2) with the effective anisotropy factor gamma(RP) approximate to 3 significantly smaller than the mass anisotropy would suggest. In spite of the strong effects of c-axis BaZrO3 nanorods, we found even greater enhancements of B-Irr for fields along the ab planes than for fields parallel to the c-axis, as well as different temperature dependences of the correlated pinning contributions to B-Irr for B//ab and B//c. Our results show that the dense and strong pins, which can now be incorporated into REBCO thin films in a controlled way, exert major and diverse effects on the measured vortex pinning anisotropy and the irreversibility field over wide ranges of B and T. In particular, we show that the relative contribution of correlated pinning to B-Irr for B//c increases as the temperature increases due to the suppression of thermal fluctuations of vortices by splayed distribution of BaZrO3 nanorods. C1 [Tarantini, C.; Jaroszynski, J.; Kametani, F.; Gurevich, A.; Larbalestier, D. C.] Florida State Univ, Natl High Magnet Field Lab, Tallahassee, FL 32310 USA. [Zuev, Y. L.; Christen, D. K.] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA. [Zuev, Y. L.] Univ Tennessee, Knoxville, TN 37996 USA. [Gurevich, A.] Old Dominion Univ, Dept Phys, Norfolk, VA 23529 USA. [Chen, Y.] SuperPower Inc, Schenectady, NY 12304 USA. [Selvamanickam, V.] Univ Houston, Dept Mech Engn, Houston, TX 77204 USA. [Selvamanickam, V.] Univ Houston, Texas Ctr Superconduct, Houston, TX 77204 USA. RP Tarantini, C (reprint author), Florida State Univ, Natl High Magnet Field Lab, Tallahassee, FL 32310 USA. EM tarantini@asc.magnet.fsu.edu RI Gurevich, Alex/A-4327-2008; Larbalestier, David/B-2277-2008 OI Gurevich, Alex/0000-0003-0759-8941; Larbalestier, David/0000-0001-7098-7208 FU NSF [DMR-0654118]; State of Florida; DOE; U.S. Department of Energy Office of Electricity Delivery and Energy Reliability, Advanced Cables and Conductors FX A portion of this work was performed at the NHMFL, which is supported by NSF Cooperative Agreement No. DMR-0654118, by the State of Florida, and by the DOE. This work was also supported by the U.S. Department of Energy Office of Electricity Delivery and Energy Reliability, Advanced Cables and Conductors. NR 24 TC 6 Z9 6 U1 4 U2 19 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1098-0121 J9 PHYS REV B JI Phys. Rev. B PD DEC 21 PY 2011 VL 84 IS 22 AR 224514 DI 10.1103/PhysRevB.84.224514 PG 8 WC Physics, Condensed Matter SC Physics GA 868WB UT WOS:000298555800012 ER PT J AU Kanungo, R Prochazka, A Uchida, M Horiuchi, W Hagen, G Papenbrock, T Nociforo, C Aumann, T Boutin, D Cortina-Gil, D Davids, B Diakaki, M Farinon, F Geissel, H Gernhauser, R Gerl, J Janik, R Jensen, O Jonson, B Kindler, B Knobel, R Krucken, R Lantz, M Lenske, H Litvinov, Y Lommel, B Mahata, K Maierbeck, P Musumarra, A Nilsson, T Perro, C Scheidenberger, C Sitar, B Strmen, P Sun, B Suzuki, Y Szarka, I Tanihata, I Weick, H Winkler, M AF Kanungo, R. Prochazka, A. Uchida, M. Horiuchi, W. Hagen, G. Papenbrock, T. Nociforo, C. Aumann, T. Boutin, D. Cortina-Gil, D. Davids, B. Diakaki, M. Farinon, F. Geissel, H. Gernhaeuser, R. Gerl, J. Janik, R. Jensen, O. Jonson, B. Kindler, B. Knoebel, R. Kruecken, R. Lantz, M. Lenske, H. Litvinov, Y. Lommel, B. Mahata, K. Maierbeck, P. Musumarra, A. Nilsson, T. Perro, C. Scheidenberger, C. Sitar, B. Strmen, P. Sun, B. Suzuki, Y. Szarka, I. Tanihata, I. Weick, H. Winkler, M. TI Exploring the anomaly in the interaction cross section and matter radius of O-23 SO PHYSICAL REVIEW C LA English DT Article ID NEUTRON-RICH NUCLEI; SYSTEM; N=16 AB New measurements of the interaction cross sections of O-22,O-23 at 900A MeV performed at the GSI, Darmstadt are reported that address the unsolved puzzle of the large cross section previously observed for O-23. The matter radii for these oxygen isotopes extracted through a Glauber model analysis are in good agreement with the new predictions of the ab initio coupled-cluster theory reported here. They are consistent with a O-22 + neutron description of O-23 as well. C1 [Kanungo, R.; Uchida, M.; Perro, C.] St Marys Univ, Astron & Phys Dept, Halifax, NS B3H 3C3, Canada. [Prochazka, A.; Nociforo, C.; Aumann, T.; Farinon, F.; Geissel, H.; Gerl, J.; Kindler, B.; Knoebel, R.; Litvinov, Y.; Lommel, B.; Mahata, K.; Scheidenberger, C.; Sun, B.; Weick, H.; Winkler, M.] GSI Helmholtzzentrum Schwerionenforsch, D-64291 Darmstadt, Germany. [Prochazka, A.; Boutin, D.; Farinon, F.; Knoebel, R.; Lenske, H.] Univ Giessen, D-35392 Giessen, Germany. [Horiuchi, W.; Suzuki, Y.] RIKEN, Nishina Ctr, Wako, Saitama 3510918, Japan. [Hagen, G.; Papenbrock, T.] Oak Ridge Natl Lab, Div Phys, Oak Ridge, TN 37831 USA. [Hagen, G.; Papenbrock, T.] Univ Tennessee, Dept Phys & Astron, Knoxville, TN 37996 USA. [Aumann, T.] Tech Univ Darmstadt, Inst Kernphys, D-6489 Darmstadt, Germany. [Cortina-Gil, D.] Univ Santiago de Compostela, E-15706 Santiago De Compostela, Spain. [Davids, B.] TRIUMF, Vancouver, BC V6T 2A3, Canada. [Diakaki, M.] Natl Tech Univ Athens, Athens, Greece. [Gernhaeuser, R.; Kruecken, R.; Maierbeck, P.] Tech Univ Munich, Phys Dept E12, D-85748 Garching, Germany. [Janik, R.; Sitar, B.; Strmen, P.; Szarka, I.] Comenius Univ, Fac Math & Phys, SK-84215 Bratislava, Slovakia. [Jensen, O.] Univ Oslo, Dept Phys, N-0316 Oslo, Norway. [Jensen, O.] Univ Oslo, Ctr Math Applicat, N-0316 Oslo, Norway. [Jonson, B.; Lantz, M.; Nilsson, T.] Chalmers, SE-412916 Gothenburg, Sweden. [Litvinov, Y.] Max Planck Inst Kernphys, D-69117 Heidelberg, Germany. [Musumarra, A.] Univ Catania, I-95153 Catania, Italy. [Sun, B.] Beihang Univ, Sch Phys & Nucl Energy Engn, Beijing 100191, Peoples R China. [Suzuki, Y.] Niigata Univ, Dept Phys, Niigata 9502181, Japan. [Tanihata, I.] Osaka Univ, RCNP, Osaka 5670047, Japan. RP Kanungo, R (reprint author), St Marys Univ, Astron & Phys Dept, Halifax, NS B3H 3C3, Canada. EM ritu@triumf.ca RI Hagen, Gaute/I-6146-2012; Nilsson, Thomas/B-7705-2009; Jonson, Bjorn/B-2816-2014; Aumann, Thomas/B-1455-2012; Cortina-Gil, Dolores/H-9626-2015; Sun, Baohua/C-6823-2009; Kruecken, Reiner/A-1640-2013 OI Hagen, Gaute/0000-0001-6019-1687; Nilsson, Thomas/0000-0002-6990-947X; Cortina-Gil, Dolores/0000-0001-7672-9912; Sun, Baohua/0000-0001-9868-5711; Kruecken, Reiner/0000-0002-2755-8042 FU NSERC; BMBF [06MT238]; DFG; US Department of Energy [DE-FG02-96ER40963, DE-FC02-07ER41457]; RIKEN FX The authors are thankful for the support of the GSI accelerator staff and the FRS technical staff for efficient running of the experiment. The support from NSERC for this work is gratefully acknowledged. This work was supported by the BMBF under Contract No. 06MT238, by the DFG cluster of excellence Origin and Structure of the Universe. This work was supported by the US Department of Energy, Grants No. DE-FG02-96ER40963 (University of Tennessee), and No. DE-FC02-07ER41457 (UNEDF SciDAC). This research used computational resources of the National Center for Computational Sciences. W.H. is supported by the Special Postdoctoral Researchers Program of RIKEN. We thank B. A. Brown for the providing us the values of Ref. [28]. NR 28 TC 23 Z9 23 U1 1 U2 11 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 2469-9985 EI 2469-9993 J9 PHYS REV C JI Phys. Rev. C PD DEC 21 PY 2011 VL 84 IS 6 AR 061304 DI 10.1103/PhysRevC.84.061304 PG 5 WC Physics, Nuclear SC Physics GA 866PB UT WOS:000298392200001 ER PT J AU Fisher, JC Siriwardane, RV Stevens, RW AF Fisher, James C., II Siriwardane, Ranjani V. Stevens, Robert W., Jr. TI Zeolite-Based Process for CO2 Capture from High-Pressure, Moderate-Temperature Gas Streams SO INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH LA English DT Article ID SORBENTS; ADSORPTION AB A novel CO2 capture process was developed using a zeolite suitable for CO2 removal at warm-gas temperatures in high-pressure coal gasification gas streams. The process involves sorption of CO2 at 150 degrees C and regeneration at 350 degrees C. Regeneration at 350 degrees C removes the moisture absorbed during CO2 sorption. This sorption temperature is ideal for CO2 removal downstream of the water gas shift reactor in an integrated gasification combined cycle (IGCC) power plant but is also applicable to other warm gas cleanup processes. Most solvent-based processes require energy-intensive drying to remove moisture prior to CO2 removal. Using zeolites for CO2 capture at 150 degrees C and regeneration at 350 degrees C eliminates the problem with moisture in the gas stream traditionally causing deactivation of the zeolite. The results of using this capture scheme in an IGCC power plant is advantageous because of the high-pressure CO2 product stream and because removal of CO2 and H2O from the syngas generates high-quality H-2 for the combustion turbines. In the example used in this work, the resulting CO2 stream separated from the fuel gas is delivered at 280 psi significantly reducing the energy required for compression from 27.6 MW in the EPRI report utilizing Selexol to 9.9 MW in this work. The overall thermal efficiency of the plant utilizing this CO2 removal scheme was estimated at 36.5, which is 0.5% less than the comparable Selxol plant. However, this process, combined with other warm gas cleanup technologies, offers the ability to significantly reduce the auxiliary load associated with syngas clean up, thereby increasing overall power plant efficiency. C1 [Fisher, James C., II; Siriwardane, Ranjani V.; Stevens, Robert W., Jr.] US DOE, Natl Energy Technol Lab, Morgantown, WV 26507 USA. [Fisher, James C., II] URS, Morgantown, WV 26507 USA. RP Siriwardane, RV (reprint author), US DOE, Natl Energy Technol Lab, 3610 Collins Ferry Rd, Morgantown, WV 26507 USA. EM ranjani.siriwardane@netl.doe.gov OI Stevens, Robert/0000-0002-0864-6768 NR 12 TC 6 Z9 6 U1 1 U2 20 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0888-5885 J9 IND ENG CHEM RES JI Ind. Eng. Chem. Res. PD DEC 21 PY 2011 VL 50 IS 24 BP 13962 EP 13968 DI 10.1021/ie201666g PG 7 WC Engineering, Chemical SC Engineering GA 860KE UT WOS:000297946400045 ER PT J AU Mahurin, SM Dai, T Yeary, JS Luo, HM Dai, S AF Mahurin, Shannon M. Dai, Thomas Yeary, Joshua S. Luo, Huimin Dai, Sheng TI Benzyl-Functionalized Room Temperature Ionic Liquids for CO2/N-2 Separation SO INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH LA English DT Article ID CARBON-DIOXIDE; GAS SOLUBILITY; CO2 CAPTURE; MEMBRANES; ANION; SELECTIVITY; PERFORMANCE AB In this work, three classes of room temperature ionic liquids (RTILs), including imidazolium, pyridinium, and pyrrolidinium ionic liquids with a benzyl group appended to the cation, were synthesized and tested for their performance in separating CO2 and N-2. All RTILs contained the bis(trifluoromethylsulfonyl)imide anion, permitting us to distinguish the impact of the benzyl moiety attached to the cation on gas separation performance. In general, the attachment of the benzyl group increased the viscosity of the ionic liquid compared with the unfunctionalized analogs and decreased the CO2 permeability. However, all of the benzyl-modified ionic liquids exhibited enhanced CO2/N-2 selectivities compared with alkyl-based ionic liquids, with values ranging from 22.0 to 33.1. In addition, CO2 solubilities in the form of Henry's constants were also measured and compared with unfunctionalized analogs. Results of the membrane performance tests and CO2 solubility measurements demonstrate that the benzyl-functionalized RTILs have significant potential for use in the separation of carbon dioxide from combustion products. C1 [Mahurin, Shannon M.; Dai, Thomas; Yeary, Joshua S.; Dai, Sheng] Oak Ridge Natl Lab, Div Chem Sci, Oak Ridge, TN 37831 USA. [Dai, Sheng] Univ Tennessee, Dept Chem, Knoxville, TN 37996 USA. RP Mahurin, SM (reprint author), Oak Ridge Natl Lab, Div Chem Sci, Oak Ridge, TN 37831 USA. EM mahurinsm@ornl.gov; dais@ornl.gov RI Dai, Sheng/K-8411-2015 OI Dai, Sheng/0000-0002-8046-3931 FU Division of Chemical Sciences, Geosciences, and Biosciences, Office of Basic Energy Sciences, U.S. Department of Energy FX This work was fully sponsored by the Division of Chemical Sciences, Geosciences, and Biosciences, Office of Basic Energy Sciences, U.S. Department of Energy. NR 35 TC 30 Z9 31 U1 2 U2 50 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0888-5885 J9 IND ENG CHEM RES JI Ind. Eng. Chem. Res. PD DEC 21 PY 2011 VL 50 IS 24 BP 14061 EP 14069 DI 10.1021/ie201428k PG 9 WC Engineering, Chemical SC Engineering GA 860KE UT WOS:000297946400055 ER PT J AU Job, PK Casey, WR AF Job, Panakkal K. Casey, William R. TI Radiological considerations for bulk shielding calculations of national synchrotron light source-II SO NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT LA English DT Article DE Synchrotron radiation; Shielding; Electron storage rings AB Brookhaven National Laboratory is designing a new electron synchrotron for scientific research using synchrotron radiation. This facility, called the "National Synchrotron Light Source II" (NSLS-II), will provide x-ray radiation of ultra-high brightness and exceptional spatial and energy resolution. It will also provide advanced insertion devices, optics, detectors and robotics, and a suite of scientific instruments designed to maximize the scientific output of the facility. The project scope includes the design, construction, installation, and commissioning of the following accelerators: a 200 MeV linac, a booster synchrotron operating from 200 MeV to 3.0 GeV, and the storage ring which stores a maximum of 500 mA current of electrons at an energy of 3.0 GeV. It is planned to operate the facility primarily in a top-off mode, thereby maintaining the maximum variation in stored beam current to < 1%. Because of the very demanding requirements for beam emittance and synchrotron radiation brilliance, the beam life-time is expected to be quite low, on the order of 2 h. Analysis of the bulk shielding for operating this facility and the input parameters used for this analysis have been discussed in this paper. The characteristics of each of the accelerators and their operating modes have been summarized with the input assumptions for the bulk shielding analysis. (C) 2011 Elsevier B.V. All rights reserved. C1 [Job, Panakkal K.; Casey, William R.] Brookhaven Natl Lab, Photon Sci Directorate, Upton, NY 11973 USA. RP Job, PK (reprint author), Brookhaven Natl Lab, Photon Sci Directorate, Bldg 830M, Upton, NY 11973 USA. EM pkjob@bnl.gov FU U.S. Department of Energy [DE-AC02-98CH10886] FX This manuscript has been authored by employees of Brookhaven Science Associates, LLC under Contract no. DE-AC02-98CH10886 with the U.S. Department of Energy. The publisher by accepting the manuscript for publication acknowledges that the United States Government retains a non-exclusive, paid-up, irrevocable, worldwide license to publish or reproduce the published form of this manuscript, or allow others to do so, for United States Government purposes. NR 12 TC 2 Z9 2 U1 0 U2 4 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 0168-9002 J9 NUCL INSTRUM METH A JI Nucl. Instrum. Methods Phys. Res. Sect. A-Accel. Spectrom. Dect. Assoc. Equip. PD DEC 21 PY 2011 VL 660 IS 1 BP 1 EP 6 DI 10.1016/j.nima.2011.08.015 PG 6 WC Instruments & Instrumentation; Nuclear Science & Technology; Physics, Nuclear; Physics, Particles & Fields SC Instruments & Instrumentation; Nuclear Science & Technology; Physics GA 859NU UT WOS:000297883900001 ER PT J AU Knecht, A Zumwalt, DW Delbridge, BG Garcia, A Harper, GC Hong, R Muller, P Palmer, ASC Robertson, RGH Swanson, HE Utsuno, S Will, DI Williams, W Wrede, C AF Knecht, A. Zumwalt, D. W. Delbridge, B. G. Garcia, A. Harper, G. C. Hong, R. Mueller, P. Palmer, A. S. C. Robertson, R. G. H. Swanson, H. E. Utsuno, S. Will, D. I. Williams, W. Wrede, C. TI A high-intensity source of He-6 atoms for fundamental research SO NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT LA English DT Article DE Helium-6; Nuclear beta decay; Tandem Van de Graaff accelerator ID BETA-DECAY; SYSTEM AB We have designed and built a lithium target station for the production of He atoms for fundamental research. The system relies on the reaction Li-7(H-2,He-3)H-6 using a deuteron beam provided by the tandem Van de Graaff accelerator available at the Center for Experimental Nuclear Physics and Astrophysics of the University of Washington, which can reach a maximum intensity and energy of 100 mu A and 18 MeV. The extracted intensity of gaseous He-6 atoms was measured to be similar to 10(9) atoms/s in a low-background experimental area. (C) 2011 Elsevier B.V. All rights reserved. C1 [Knecht, A.; Zumwalt, D. W.; Delbridge, B. G.; Garcia, A.; Harper, G. C.; Hong, R.; Palmer, A. S. C.; Robertson, R. G. H.; Swanson, H. E.; Utsuno, S.; Will, D. I.; Wrede, C.] Univ Washington, Dept Phys, Seattle, WA 98195 USA. [Knecht, A.; Zumwalt, D. W.; Delbridge, B. G.; Garcia, A.; Harper, G. C.; Hong, R.; Palmer, A. S. C.; Robertson, R. G. H.; Swanson, H. E.; Utsuno, S.; Will, D. I.; Wrede, C.] Univ Washington, Ctr Expt Nucl Phys & Astrophys, Seattle, WA 98195 USA. [Mueller, P.; Williams, W.] Argonne Natl Lab, Div Phys, Argonne, IL 60439 USA. RP Knecht, A (reprint author), Univ Washington, Dept Phys, Seattle, WA 98195 USA. EM knechta@uw.edu RI Mueller, Peter/E-4408-2011; Knecht, Andreas/C-9917-2013; OI Garcia, Alejandro/0000-0001-6056-6645; Mueller, Peter/0000-0002-8544-8191; Knecht, Andreas/0000-0002-3767-950X; Hong, Ran/0000-0002-8984-7501 FU US Department of Energy [DE-FG02-97ER41020] FX This work was only possible due to the outstanding work of our technical staff H. Simons, D.R. Hyde and J.H. Elms. This work has been supported by the US Department of Energy under DE-FG02-97ER41020. NR 24 TC 15 Z9 15 U1 1 U2 8 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 0168-9002 J9 NUCL INSTRUM METH A JI Nucl. Instrum. Methods Phys. Res. Sect. A-Accel. Spectrom. Dect. Assoc. Equip. PD DEC 21 PY 2011 VL 660 IS 1 BP 43 EP 47 DI 10.1016/j.nima.2011.09.033 PG 5 WC Instruments & Instrumentation; Nuclear Science & Technology; Physics, Nuclear; Physics, Particles & Fields SC Instruments & Instrumentation; Nuclear Science & Technology; Physics GA 859NU UT WOS:000297883900006 ER PT J AU Yeh, M Hans, S Beriguete, W Rosero, R Hu, L Hahn, RL Diwan, MV Jaffe, DE Kettell, SH Littenberg, L AF Yeh, M. Hans, S. Beriguete, W. Rosero, R. Hu, L. Hahn, R. L. Diwan, M. V. Jaffe, D. E. Kettell, S. H. Littenberg, L. TI A new water-based liquid scintillator and potential applications SO NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT LA English DT Article DE Neutrino oscillations; Neutron tagging; Water-loaded liquid scintillator; Proton decay ID CHERENKOV DETECTOR; NEUTRINO; DECAY AB In this paper we describe a new type of scintillating liquid based on water. We describe the concept, preparation, and properties of this liquid, and how it could be used for a very large, but economical detector. The applications of such a detector range from fundamental physics such as nucleon decay and neutrino physics to physics with broader application such as neutron detection. We briefly describe the scientific requirements of these applications, and how they can be satisfied by the new material. Published by Elsevier B.V. C1 [Yeh, M.; Hans, S.; Beriguete, W.; Rosero, R.; Hu, L.; Hahn, R. L.] Brookhaven Natl Lab, Dept Chem, Upton, NY 11973 USA. [Diwan, M. V.; Jaffe, D. E.; Kettell, S. H.; Littenberg, L.] Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA. RP Yeh, M (reprint author), Brookhaven Natl Lab, Dept Chem, Upton, NY 11973 USA. EM yeh@bnl.gov OI Littenberg, Laurence/0000-0001-8373-7179 FU office of science, U.S.D.O.E. under Brookhaven National Laboratory; US Department of Energy [DE-AC02-98CH10886] FX Research sponsored by the office of science, U.S.D.O.E. under contract with Brookhaven National Laboratory.; This work was supported by the US Department of Energy under Contract number DE-AC02-98CH10886 NR 25 TC 16 Z9 16 U1 1 U2 8 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 0168-9002 J9 NUCL INSTRUM METH A JI Nucl. Instrum. Methods Phys. Res. Sect. A-Accel. Spectrom. Dect. Assoc. Equip. PD DEC 21 PY 2011 VL 660 IS 1 BP 51 EP 56 DI 10.1016/j.nima.2011.08.040 PG 6 WC Instruments & Instrumentation; Nuclear Science & Technology; Physics, Nuclear; Physics, Particles & Fields SC Instruments & Instrumentation; Nuclear Science & Technology; Physics GA 859NU UT WOS:000297883900008 ER PT J AU Nelson, P Bowden, NS AF Nelson, P. Bowden, N. S. TI Investigation of large LGB detectors for antineutrino detection SO NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT LA English DT Article DE Thermal neutron detection; Capture-gated neutron spectrometry AB A detector material or configuration that can provide an unambiguous indication of neutron capture can substantially reduce random coincidence backgrounds in antineutrino detection and capture-gated neutron spectrometry applications. Here we investigate the performance of such a material, a composite of plastic scintillator and (6)L(6)(nat) Gd((10)BO(3))(3) : Ce (LGB) crystal shards of as approximate to 1 mm dimension and comprising 1% of the detector by mass. While it is found that the optical propagation properties of this material as currently fabricated are only marginally acceptable for antineutrino detection, its neutron capture identification ability is encouraging. (C) 2011 Elsevier B.V. All rights reserved. C1 [Bowden, N. S.] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA. [Nelson, P.] USN, Postgrad Sch, Dept Phys, Monterey, CA 93943 USA. RP Bowden, NS (reprint author), Lawrence Livermore Natl Lab, Livermore, CA 94550 USA. EM nbowden@llnl.gov OI Bowden, Nathaniel/0000-0002-6115-0956 FU U.S. Department of Energy by Lawrence Livermore National Laboratory [W-7405-Eng-48, DE-AC52-07NA27344] FX LLNL-JRNL-482515. This work was performed under the auspices of the U.S. Department of Energy by Lawrence Livermore National Laboratory in part under Contract W-7405-Eng-48 and in part under Contract DE-AC52-07NA27344. NR 8 TC 7 Z9 7 U1 0 U2 1 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 0168-9002 J9 NUCL INSTRUM METH A JI Nucl. Instrum. Methods Phys. Res. Sect. A-Accel. Spectrom. Dect. Assoc. Equip. PD DEC 21 PY 2011 VL 660 IS 1 BP 77 EP 82 DI 10.1016/j.nima.2011.09.027 PG 6 WC Instruments & Instrumentation; Nuclear Science & Technology; Physics, Nuclear; Physics, Particles & Fields SC Instruments & Instrumentation; Nuclear Science & Technology; Physics GA 859NU UT WOS:000297883900013 ER PT J AU Yoon, M Filippetto, D Papadopoulos, CF Pellegrini, C Penn, G Prestemon, S Sannibale, F AF Yoon, M. Filippetto, D. Papadopoulos, C. F. Pellegrini, C. Penn, G. Prestemon, S. Sannibale, F. TI The BTFEL, an infrared free-electron laser amplifier based on a new-design short-period superconducting tape undulator SO NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT LA English DT Article DE Infrared radiation; FEL; SASE; Short period undulator AB The development of undulator technologies capable of generating sub-cm undulator periods is assuming an increasing importance in X-ray free electron laser (FEL) applications. Indeed, such devices jointly with the high brightness electron beams already demonstrated at operating facilities would allow for lower energy, more compact electron linacs with a beneficial impact on the size and cost of X-ray FEL facilities. A novel design super-conducting undulator is being developed at the Lawrence Berkeley National Laboratory (LBNL) with the potential of sub-cm periods with reasonably large undulator parameter and gap. The potential and capability of such undulator technology need to be experimentally demonstrated. In this paper, the possibility of constructing an infrared FEL by combining the new undulator with the high brightness beam from the APEX injector facility at LBNL is investigated. Calculations show that the resulting FEL, when operated in self-amplified-spontaneous-emission mode, is expected to deliver a saturated power of almost a MW within a similar to 4 m undulator length, in a single-spike of coherent radiation at 2 gm wavelength. It will be also shown that the small-period of the undulator associated with the relatively low energy of the APEX beam, forces the FEL to operate in a regime with unusual and interesting characteristics. The alternative option of laser seeding the FEL is also briefly examined, showing the potential to reduce the saturation length even further. (C) 2011 Elsevier B.V. All rights reserved. C1 [Yoon, M.; Filippetto, D.; Papadopoulos, C. F.; Penn, G.; Prestemon, S.; Sannibale, F.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA. [Yoon, M.] Postech, Dept Phys, Pohang 790784, Gyeongbuk, South Korea. [Pellegrini, C.] Univ Calif Los Angeles, Dept Phys, Los Angeles, CA 90095 USA. RP Sannibale, F (reprint author), Univ Calif Berkeley, Lawrence Berkeley Natl Lab, 1 Cyclotron Rd, Berkeley, CA 94720 USA. EM moohyun@postech.edu; fsannibale@lbl.gov FU Office of Science of the U.S. Department of Energy [DE-AC02-05CH11231] FX The authors want to thank Max Zolotorev for useful discussion and suggestions. This work was supported by the Director of the Office of Science of the U.S. Department of Energy under Contract no. DE-AC02-05CH11231. NR 17 TC 1 Z9 1 U1 1 U2 5 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 0168-9002 J9 NUCL INSTRUM METH A JI Nucl. Instrum. Methods Phys. Res. Sect. A-Accel. Spectrom. Dect. Assoc. Equip. PD DEC 21 PY 2011 VL 660 IS 1 BP 138 EP 146 DI 10.1016/j.nima.2011.09.042 PG 9 WC Instruments & Instrumentation; Nuclear Science & Technology; Physics, Nuclear; Physics, Particles & Fields SC Instruments & Instrumentation; Nuclear Science & Technology; Physics GA 859NU UT WOS:000297883900021 ER PT J AU Dresang, LR Teuton, JR Feng, HC Jacobs, JM Camp, DG Purvine, SO Gritsenko, MA Li, ZH Smith, RD Sugden, B Moore, PS Chang, Y AF Dresang, Lindsay R. Teuton, Jeremy R. Feng, Huichen Jacobs, Jon M. Camp, David G., II Purvine, Samuel O. Gritsenko, Marina A. Li, Zhihua Smith, Richard D. Sugden, Bill Moore, Patrick S. Chang, Yuan TI Coupled transcriptome and proteome analysis of human lymphotropic tumor viruses: insights on the detection and discovery of viral genes SO BMC GENOMICS LA English DT Article ID SARCOMA-ASSOCIATED HERPESVIRUS; EPSTEIN-BARR-VIRUS; PRIMARY EFFUSION LYMPHOMA; CAVITY-BASED LYMPHOMAS; TANDEM MASS-SPECTROMETRY; CELL-LINES BC-1; KAPOSIS-SARCOMA; BURKITTS-LYMPHOMA; NUCLEAR ANTIGEN; DNA-SEQUENCES AB Background: Kaposi's sarcoma-associated herpesvirus (KSHV) and Epstein-Barr virus (EBV) are related human tumor viruses that cause primary effusion lymphomas (PEL) and Burkitt's lymphomas (BL), respectively. Viral genes expressed in naturally-infected cancer cells contribute to disease pathogenesis; knowing which viral genes are expressed is critical in understanding how these viruses cause cancer. To evaluate the expression of viral genes, we used high-resolution separation and mass spectrometry coupled with custom tiling arrays to align the viral proteomes and transcriptomes of three PEL and two BL cell lines under latent and lytic culture conditions. Results: The majority of viral genes were efficiently detected at the transcript and/or protein level on manipulating the viral life cycle. Overall the correlation of expressed viral proteins and transcripts was highly complementary in both validating and providing orthogonal data with latent/lytic viral gene expression. Our approach also identified novel viral genes in both KSHV and EBV, and extends viral genome annotation. Several previously uncharacterized genes were validated at both transcript and protein levels. Conclusions: This systems biology approach coupling proteome and transcriptome measurements provides a comprehensive view of viral gene expression that could not have been attained using each methodology independently. Detection of viral proteins in combination with viral transcripts is a potentially powerful method for establishing virus-disease relationships. C1 [Dresang, Lindsay R.; Feng, Huichen; Li, Zhihua; Moore, Patrick S.; Chang, Yuan] Univ Pittsburgh, Inst Canc, Canc Virol Program, Pittsburgh, PA 15213 USA. [Dresang, Lindsay R.; Sugden, Bill] Univ Wisconsin Madison, McArdle Lab Canc Res, Canc Biol Program, Madison, WI 53706 USA. [Teuton, Jeremy R.; Jacobs, Jon M.; Camp, David G., II; Purvine, Samuel O.; Gritsenko, Marina A.; Smith, Richard D.] Pacific NW Natl Lab, Environm Mol Sci Lab, Div Biol Sci, Richland, WA 99354 USA. RP Moore, PS (reprint author), Univ Pittsburgh, Inst Canc, Canc Virol Program, Hillman Canc Res Pavil 5117 Ctr Ave, Pittsburgh, PA 15213 USA. EM psm9@pitt.edu; yc70@pitt.edu RI Smith, Richard/J-3664-2012; Feng, Huichen/F-5502-2011; Moore, Patrick/F-3960-2011; Chang, Yuan/F-4146-2011 OI Smith, Richard/0000-0002-2381-2349; Feng, Huichen/0000-0003-3069-8174; Moore, Patrick/0000-0002-8132-858X; FU NIH/NCI [P01 CA022443, CA133027, CA070723, CA136363, CA120726]; NIH National Center for Research Resources [RR018522]; U.S. Department of Energy [DE-AC05-76RLO 1830]; American Cancer Society FX Portions of this research were funded through NIH/NCI P01 CA022443, CA133027 and CA070723 (to BS), CA136363 and CA120726 (to YC and PSM) and by NIH National Center for Research Resources (RR018522 to RDS). Pacific Northwest National Laboratory is operated by Battelle for the U.S. Department of Energy under Contract No. DE-AC05-76RLO 1830. Bill Sugden, Patrick Moore, and Yuan Chang were supported by American Cancer Society Research Professorships. NR 70 TC 25 Z9 25 U1 1 U2 6 PU BIOMED CENTRAL LTD PI LONDON PA 236 GRAYS INN RD, FLOOR 6, LONDON WC1X 8HL, ENGLAND SN 1471-2164 J9 BMC GENOMICS JI BMC Genomics PD DEC 20 PY 2011 VL 12 AR 625 DI 10.1186/1471-2164-12-625 PG 15 WC Biotechnology & Applied Microbiology; Genetics & Heredity SC Biotechnology & Applied Microbiology; Genetics & Heredity GA 898IO UT WOS:000300736000001 PM 22185355 ER PT J AU Chang, H Fontenay, GV Han, J Cong, G Baehner, FL Gray, JW Spellman, PT Parvin, B AF Chang, Hang Fontenay, Gerald V. Han, Ju Cong, Ge Baehner, Frederick L. Gray, Joe W. Spellman, Paul T. Parvin, Bahram TI Morphometic analysis of TCGA glioblastoma multiforme SO BMC BIOINFORMATICS LA English DT Article ID BREAST-CANCER; QUANTITATIVE-ANALYSIS; ACTIVE CONTOURS; MICROARRAY DATA; SEGMENTATION; IMAGES; LEVEL; COLOR; INFORMATICS; HEMATOXYLIN AB Background: Our goals are to develop a computational histopathology pipeline for characterizing tumor types that are being generated by The Cancer Genome Atlas (TCGA) for genomic association. TCGA is a national collaborative program where different tumor types are being collected, and each tumor is being characterized using a variety of genome-wide platforms. Here, we have developed a tumor-centric analytical pipeline to process tissue sections stained with hematoxylin and eosin (H&E) for visualization and cell-by-cell quantitative analysis. Thus far, analysis is limited to Glioblastoma Multiforme (GBM) and kidney renal clear cell carcinoma tissue sections. The final results are being distributed for subtyping and linking the histology sections to the genomic data. Results: A computational pipeline has been designed to continuously update a local image database, with limited clinical information, from an NIH repository. Each image is partitioned into blocks, where each cell in the block is characterized through a multidimensional representation (e. g., nuclear size, cellularity). A subset of morphometric indices, representing potential underlying biological processes, can then be selected for subtyping and genomic association. Simultaneously, these subtypes can also be predictive of the outcome as a result of clinical treatments. Using the cellularity index and nuclear size, the computational pipeline has revealed five subtypes, and one subtype, corresponding to the extreme high cellularity, has shown to be a predictor of survival as a result of a more aggressive therapeutic regime. Further association of this subtype with the corresponding gene expression data has identified enrichment of (i) the immune response and AP-1 signaling pathways, and (ii) IFNG, TGFB1, PKC, Cytokine, and MAPK14 hubs. Conclusion: While subtyping is often performed with genome-wide molecular data, we have shown that it can also be applied to categorizing histology sections. Accordingly, we have identified a subtype that is a predictor of the outcome as a result of a therapeutic regime. Computed representation has become publicly available through our Web site. C1 [Chang, Hang; Fontenay, Gerald V.; Han, Ju; Cong, Ge; Gray, Joe W.; Spellman, Paul T.; Parvin, Bahram] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Life Sci Div, Berkeley, CA 94720 USA. [Baehner, Frederick L.] Univ Calif San Francisco, Dept Pathol, San Francisco, CA 94140 USA. [Gray, Joe W.] Oregon Hlth & Sci Univ, Dept Biomed Engn, Portland, OR 97201 USA. RP Parvin, B (reprint author), Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Life Sci Div, Berkeley, CA 94720 USA. EM b_parvin@lbl.gov FU National Cancer Institute [U24 CA1437991, RO1CA140663]; U.S. Department of Energy [DE-AC02-05CH11231] FX This research was supported by the National Cancer Institute U24 CA1437991 and RO1CA140663 and the U.S. Department of Energy under contract number DE-AC02-05CH11231. The research utilized the Lawrencium computational cluster resource, provided by the IT Division at the Lawrence Berkeley National Laboratory, and the Center for Information Technology Research in the Interest of Society (CITRIS) at the University of California-Berkeley. NR 66 TC 18 Z9 18 U1 1 U2 9 PU BIOMED CENTRAL LTD PI LONDON PA 236 GRAYS INN RD, FLOOR 6, LONDON WC1X 8HL, ENGLAND SN 1471-2105 J9 BMC BIOINFORMATICS JI BMC Bioinformatics PD DEC 20 PY 2011 VL 12 AR 484 DI 10.1186/1471-2105-12-484 PG 12 WC Biochemical Research Methods; Biotechnology & Applied Microbiology; Mathematical & Computational Biology SC Biochemistry & Molecular Biology; Biotechnology & Applied Microbiology; Mathematical & Computational Biology GA 886BG UT WOS:000299824800001 PM 22185703 ER PT J AU Kweon, H Yiacoumi, S Tsouris, C AF Kweon, Hyojin Yiacoumi, Sotira Tsouris, Costas TI Friction and Adhesion Forces of Bacillus thuringiensis Spores on Planar Surfaces in Atmospheric Systems SO LANGMUIR LA English DT Article ID RELATIVE-HUMIDITY; CAPILLARY CONDENSATION; BACTERIAL ADHESION; MICROSCOPY; MICA; WATER; SIZE; AFM; NANOTRIBOLOGY; ADSORPTION AB The kinetic friction force and the adhesion force of Bacillus thuringiensis spores on planar surfaces in atmospheric systems were studied using atomic force microscopy. The influence of relative humidity (RH) on these forces varied for different surface properties including hydrophobicity, roughness, and surface charge. The friction force of the spore was greater on a rougher surface than on mica, which is atomically flat. As RH increases, the friction force of the spores decreases on mica whereas it increases on rough surfaces. The influence of RH on the interaction forces between hydrophobic surfaces is not as strong as for hydrophilic surfaces. The friction force of the spore is linear to the sum of the adhesion force and normal load on the hydrophobic surface. The poorly defined surface structure of the spore and the adsorption of contaminants from the surrounding atmosphere are believed to cause a discrepancy between the calculated and measured adhesion forces. C1 [Kweon, Hyojin; Yiacoumi, Sotira; Tsouris, Costas] Georgia Inst Technol, Atlanta, GA 30332 USA. [Tsouris, Costas] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA. RP Tsouris, C (reprint author), Georgia Inst Technol, Atlanta, GA 30332 USA. EM tsourisc@ornl.gov RI Tsouris, Costas/C-2544-2016 OI Tsouris, Costas/0000-0002-0522-1027 FU Defense Threat Reduction Agency [HDTRA1-07-1-0035] FX Support for this work was provided by the Defense Threat Reduction Agency under Grant No. HDTRA1-07-1-0035 to Georgia Institute of Technology. The authors are also grateful to Amy Harkey for editing the manuscript. NR 50 TC 6 Z9 7 U1 0 U2 23 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0743-7463 J9 LANGMUIR JI Langmuir PD DEC 20 PY 2011 VL 27 IS 24 BP 14975 EP 14981 DI 10.1021/la203575q PG 7 WC Chemistry, Multidisciplinary; Chemistry, Physical; Materials Science, Multidisciplinary SC Chemistry; Materials Science GA 862UB UT WOS:000298118500033 PM 22059743 ER PT J AU Afonso, J Bizzocchi, L Ibar, E Grossi, M Simpson, C Chapman, S Jarvis, MJ Rottgering, H Norris, RP Dunlop, J Ivison, RJ Messias, H Pforr, J Vaccari, M Seymour, N Best, P Gonzalez-Solares, E Farrah, D Fernandes, CAC Huang, JS Lacy, M Maraston, C Marchetti, L Mauduit, JC Oliver, S Rigopoulou, D Stanford, SA Surace, J Zeimann, G AF Afonso, J. Bizzocchi, L. Ibar, E. Grossi, M. Simpson, C. Chapman, S. Jarvis, M. J. Rottgering, H. Norris, R. P. Dunlop, J. Ivison, R. J. Messias, H. Pforr, J. Vaccari, M. Seymour, N. Best, P. Gonzalez-Solares, E. Farrah, D. Fernandes, C. A. C. Huang, J. -S. Lacy, M. Maraston, C. Marchetti, L. Mauduit, J. -C. Oliver, S. Rigopoulou, D. Stanford, S. A. Surace, J. Zeimann, G. TI ULTRA STEEP SPECTRUM RADIO SOURCES IN THE LOCKMAN HOLE: SERVS IDENTIFICATIONS AND REDSHIFT DISTRIBUTION AT THE FAINTEST RADIO FLUXES SO ASTROPHYSICAL JOURNAL LA English DT Article DE galaxies: active; galaxies: evolution; galaxies: high-redshift; radio continuum: galaxies; surveys ID ACTIVE GALACTIC NUCLEI; K-Z RELATION; ROSAT DEEP SURVEY; X-RAY SOURCES; SOUTHERN-HEMISPHERE; STAR-FORMATION; FIND OBJECTS; OPTICAL IDENTIFICATIONS; SUBMILLIMETER GALAXIES; PHOTOMETRIC REDSHIFTS AB Ultra steep spectrum (USS) radio sources have been successfully used to select powerful radio sources at high redshifts (z greater than or similar to 2). Typically restricted to large-sky surveys and relatively bright radio flux densities, it has gradually become possible to extend the USS search to sub-mJy levels, thanks to the recent appearance of sensitive low-frequency radio facilities. Here a first detailed analysis of the nature of the faintest USS sources is presented. By using Giant Metrewave Radio Telescope and Very Large Array radio observations of the Lockman Hole at 610 MHz and 1.4 GHz, a sample of 58 USS sources, with 610 MHz integrated fluxes above 100 mu Jy, is assembled. Deep infrared data at 3.6 and 4.5 mu m from the Spitzer Extragalactic Representative Volume Survey (SERVS) are used to reliably identify counterparts for 48 (83%) of these sources, showing an average total magnitude of [3.6](AB) = 19.8 mag. Spectroscopic redshifts for 14 USS sources, together with photometric redshift estimates, improved by the use of the deep SERVS data, for a further 19 objects, show redshifts ranging from z = 0.1 to z = 2.8, peaking at z similar to 0.6 and tailing off at high redshifts. The remaining 25 USS sources, with no redshift estimate, include the faintest [3.6] magnitudes, with 10 sources undetected at 3.6 and 4.5 mu m (typically [3.6] greater than or similar to 22-23 mag from local measurements), which suggests the likely existence of higher redshifts among the sub-mJy USS population. The comparison with the Square Kilometre Array Design Studies Simulated Skies models indicates that Fanaroff-Riley type I radio sources and radio-quiet active galactic nuclei may constitute the bulk of the faintest USS population, and raises the possibility that the high efficiency of the USS technique for the selection of high-redshift sources remains even at the sub-mJy level. C1 [Afonso, J.; Bizzocchi, L.; Grossi, M.; Messias, H.; Fernandes, C. A. C.] Univ Lisbon, Fac Ciencias, Observ Astron Lisboa, P-1349018 Lisbon, Portugal. [Afonso, J.; Bizzocchi, L.; Grossi, M.; Messias, H.; Fernandes, C. A. C.] Univ Lisbon, Observ Astron Lisboa, Ctr Astron & Astrofis, P-1349018 Lisbon, Portugal. [Ibar, E.; Ivison, R. J.] Royal Observ, UK Astron Technol Ctr, Edinburgh EH9 3HJ, Midlothian, Scotland. [Simpson, C.] Liverpool John Moores Univ, Astrophys Res Inst, Birkenhead CH41 1LD, Merseyside, England. [Chapman, S.; Gonzalez-Solares, E.] Univ Cambridge, Inst Astron, Cambridge CB3 0HA, England. [Jarvis, M. J.] Univ Hertfordshire, Ctr Astrophys, Sci & Technol Res Inst, Hatfield AL10 9AB, Herts, England. [Rottgering, H.] Leiden Univ, Leiden Observ, NL-2300 RA Leiden, Netherlands. [Norris, R. P.] CSIRO Astron & Space Sci, Epping, NSW 1710, Australia. [Dunlop, J.; Ivison, R. J.; Best, P.] Univ Edinburgh, Inst Astron, SUPA, Edinburgh EH9 3HJ, Midlothian, Scotland. [Pforr, J.; Maraston, C.] Univ Portsmouth, Inst Cosmol & Gravitat, Portsmouth PO1 3FX, Hants, England. [Vaccari, M.; Marchetti, L.] Univ Padua, Dept Astron, I-35122 Padua, Italy. [Seymour, N.] Univ Coll London, Mullard Space Sci Lab, Dorking RH5 6NT, Surrey, England. [Farrah, D.; Oliver, S.] Univ Sussex, Dept Phys & Astron, Ctr Astron, Brighton BN1 9QH, E Sussex, England. [Huang, J. -S.] Univ Oxford, Dept Astrophys, Oxford OX1 3RH, England. [Lacy, M.] Natl Radio Astron Observ, Charlottesville, VA 22903 USA. [Mauduit, J. -C.; Surace, J.] CALTECH, Ctr Infrared Proc & Anal, Spitzer Sci Ctr, Pasadena, CA 91125 USA. [Rigopoulou, D.] Harvard Smithsonian Ctr Astrophys, Cambridge, MA 02138 USA. [Stanford, S. A.; Zeimann, G.] Univ Calif Davis, Dept Phys, Davis, CA 95616 USA. [Stanford, S. A.] Lawrence Livermore Natl Lab, IGPP, Livermore, CA 94550 USA. RP Afonso, J (reprint author), Univ Lisbon, Fac Ciencias, Observ Astron Lisboa, P-1349018 Lisbon, Portugal. EM jafonso@oal.ul.pt RI Norris, Ray/A-1316-2008; Pforr, Janine/J-3967-2015; Afonso, Jose/B-5185-2013; Ivison, R./G-4450-2011; Vaccari, Mattia/R-3431-2016; OI Norris, Ray/0000-0002-4597-1906; Marchetti, Lucia/0000-0003-3948-7621; Grossi, Marco/0000-0003-4675-3246; Seymour, Nicholas/0000-0003-3506-5536; Pforr, Janine/0000-0002-3414-8391; Afonso, Jose/0000-0002-9149-2973; Ivison, R./0000-0001-5118-1313; Vaccari, Mattia/0000-0002-6748-0577; Fernandes, Cristina/0000-0001-7661-3792; Bizzocchi, Luca/0000-0002-9953-8593 FU Science and Technology Foundation (FCT, Portugal) [PTDC/FIS/100170/2008, SFRH/BD/31338/2006, SFRH/BPD/62966/2009]; Royal Society; European Research Council via ERC; Marie Curie Excellence Team [MEXT-CT-2006-042754]; European Community FX This work is based in part on observations made with Spitzer, which is operated by the Jet Propulsion Laboratory, California Institute of Technology under a contract with NASA. Support for this work was provided by NASA through an award issued by JPL/Caltech. The National Radio Astronomy Observatory is a facility of the National Science Foundation operated under cooperative agreement by Associated Universities, Inc. J.A., H. M., M. G., L. B., and C. F. gratefully acknowledge support from the Science and Technology Foundation (FCT, Portugal) through the research grant PTDC/FIS/100170/2008 and the Fellowships SFRH/BD/31338/2006 (H. M.) and SFRH/BPD/62966/2009 (L. B.). J.S.D. acknowledges the support of the Royal Society via a Wolfson Research Merit Award and the support of the European Research Council via an ERC Advanced Grant. C. M. and J.P. acknowledge support from the Marie Curie Excellence Team Grant MEXT-CT-2006-042754 "UniMass" of the Training and Mobility of Researchers programme financed by the European Community. NR 86 TC 12 Z9 12 U1 1 U2 9 PU IOP PUBLISHING LTD PI BRISTOL PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND SN 0004-637X J9 ASTROPHYS J JI Astrophys. J. PD DEC 20 PY 2011 VL 743 IS 2 AR 122 DI 10.1088/0004-637X/743/2/122 PG 12 WC Astronomy & Astrophysics SC Astronomy & Astrophysics GA 863PO UT WOS:000298178400024 ER PT J AU Berger, E Chornock, R Holmes, TR Foley, RJ Cucchiara, A Wolf, C Podsiadlowski, P Fox, DB Roth, KC AF Berger, E. Chornock, R. Holmes, T. R. Foley, R. J. Cucchiara, A. Wolf, C. Podsiadlowski, Ph Fox, D. B. Roth, K. C. TI THE SPECTROSCOPIC CLASSIFICATION AND EXPLOSION PROPERTIES OF SN 2009nz ASSOCIATED WITH GRB 091127 AT z=0.490 SO ASTROPHYSICAL JOURNAL LA English DT Article DE gamma-ray burst: general; gamma-ray burst: individual (GRB 091127) ID GAMMA-RAY BURST; 25 APRIL 1998; OPTICAL AFTERGLOW; SUPERNOVA 2003DH; HOST GALAXIES; GRB-031203; DISCOVERY; CONNECTION; GRB-030329; GRB-011121 AB We present spectroscopic observations of GRB 091127 (z = 0.490) at the peak of the putative associated supernova SN2009nz. Subtracting a late-time spectrum of the host galaxy, we isolate the contribution of SN2009nz and uncover broad features typical of nearby gamma-ray-burst-supernovae (GRB-SNe). This establishes unambiguously that GRB 091127 was accompanied by a broad-lined Type Ic SN, and links a cosmological long burst with a standard energy release (E(gamma,iso) approximate to 1.1 x 10(52) erg) to a massive star progenitor. The spectrum of SN 2009nz closely resembles that of SN 2006aj, with SN 2003dh also providing an acceptable match, but has significantly narrower features than SNe 1998bw and 2010bh, indicative of a lower expansion velocity. The photospheric velocity inferred from the Si II lambda 6355 absorption feature, v(ph) approximate to 17,000 km s(-1), is indeed closer to that of SNe 2006aj and 2003dh than to the other GRB-SNe. Combining the measured velocity with the light curve peak brightness and width, we estimate the following nominal (maximal) explosion parameters: M(Ni) approximate to 0.35 (0.6) M(circle dot), E(K) approximate to 2.3 x 10(51) (8.4 x 10(51)) erg, and M(ej) approximate to 1.4 (3.5) M(circle dot), similar to those of SN 2006aj. These properties indicate that SN 2009nz follows a trend of lower M(Ni) for GRB-SNe with lower E(K) and M(ej). Equally important, since GRB 091127 is a typical cosmological burst, the similarity of SN 2009nz to SN 2006aj either casts doubt on the claim that XRF 060218/SN 2006aj was powered by a neutron star or indicates that the nature of the central engine is encoded in the SN properties but not in the prompt emission. Future spectra of GRB-SNe at z greater than or similar to 0.3 will shed light on the full dispersion of SN properties for standard long GRBs, on the relation between SNe associated with sub-energetic and standard GRBs, and on a potential dispersion in the associated SN types. C1 [Berger, E.; Chornock, R.; Holmes, T. R.; Foley, R. J.] Harvard Smithsonian Ctr Astrophys, Cambridge, MA 02138 USA. [Cucchiara, A.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA. [Cucchiara, A.] Univ Calif Berkeley, Dept Astron, Berkeley, CA 94720 USA. [Wolf, C.; Podsiadlowski, Ph] Univ Oxford, Dept Astrophys, Oxford OX1 3RH, England. [Fox, D. B.] Penn State Univ, Dept Astron & Astrophys, University Pk, PA 16802 USA. [Roth, K. C.] Gemini Observ, Hilo, HI 96720 USA. RP Berger, E (reprint author), Harvard Smithsonian Ctr Astrophys, 60 Garden St, Cambridge, MA 02138 USA. FU Swift AO6 [NNX10AI24G] FX E.B. acknowledges partial support from Swift AO6 grant NNX10AI24G. This work is based in part on observations obtained at the Gemini Observatory, which is operated by the Association of Universities for Research in Astronomy, Inc., under a cooperative agreement with the NSF on behalf of the Gemini partnership: the National Science Foundation (United States), the Science and Technology Facilities Council (United Kingdom), the National Research Council (Canada), CONICYT (Chile), the Australian Research Council (Australia), Ministerio da Ciencia e Tecnologia (Brazil), and Ministerio de Ciencia, Tecnologia e Innovacion Productiva (Argentina). This paper includes data gathered with the 6.5 m Magellan Telescopes located at Las Campanas Observatory, Chile. NR 40 TC 33 Z9 35 U1 1 U2 6 PU IOP PUBLISHING LTD PI BRISTOL PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND SN 0004-637X J9 ASTROPHYS J JI Astrophys. J. PD DEC 20 PY 2011 VL 743 IS 2 AR 204 DI 10.1088/0004-637X/743/2/204 PG 6 WC Astronomy & Astrophysics SC Astronomy & Astrophysics GA 863PO UT WOS:000298178400106 ER PT J AU Busha, MT Wechsler, RH Behroozi, PS Gerke, BF Klypin, AA Primack, JR AF Busha, Michael T. Wechsler, Risa H. Behroozi, Peter S. Gerke, Brian F. Klypin, Anatoly A. Primack, Joel R. TI STATISTICS OF SATELLITE GALAXIES AROUND MILKY-WAY-LIKE HOSTS SO ASTROPHYSICAL JOURNAL LA English DT Article DE dark matter; galaxies: dwarf; galaxies: evolution; Magellanic Clouds ID DARK-MATTER HALOES; DIGITAL SKY SURVEY; SMALL-MAGELLANIC-CLOUD; VELOCITY DISPERSION; GALACTIC SATELLITES; SUBHALO POPULATIONS; COSMIC STRUCTURE; PROPER MOTION; MASS PROFILE; LAMBDA-CDM AB We calculate the probability that aMilky-Way (MW)-like halo in the standard cosmological model has the observed number of Magellanic Clouds (MCs). The statistics of the number of MCs in the lambda cold dark matter model are in good agreement with observations of a large sample of Sloan Digital Sky Survey (SDSS) galaxies. Under the subhalo abundance matching assumption of a relationship with small scatter between galaxy r-band luminosities and halo internal velocities v(max), we make detailed comparisons to similar measurements using SDSS Data Release 7 data by Liu et al. Models and observational data give very similar probabilities for having zero, one, and two MC-like satellites. In both cases, MW luminosity hosts have just a similar to 10% chance of hosting two satellites similar to the MCs. In addition, we present a prediction for the probability for a host galaxy to have N(sats) satellite galaxies as a function of the magnitudes of both the host and satellite. This probability and its scaling with host properties is significantly different from that of mass-selected objects because of scatter in the mass-luminosity relation and because of variations in the star formation efficiency with halo mass. C1 [Busha, Michael T.; Wechsler, Risa H.; Behroozi, Peter S.; Gerke, Brian F.] Stanford Univ, Dept Phys, Kavli Inst Particle Astrophys & Cosmol, Stanford, CA 94305 USA. [Busha, Michael T.] Univ Zurich, Inst Theoret Phys, CH-8057 Zurich, Switzerland. [Wechsler, Risa H.; Behroozi, Peter S.; Gerke, Brian F.] SLAC Natl Accelerator Lab, Menlo Pk, CA 94025 USA. [Gerke, Brian F.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Energy Efficiency Stand Grp, Berkeley, CA 94720 USA. [Klypin, Anatoly A.] New Mexico State Univ, Dept Astron, Las Cruces, NM 88003 USA. [Primack, Joel R.] Univ Calif Santa Cruz, Dept Phys, Santa Cruz, CA 95064 USA. RP Busha, MT (reprint author), Stanford Univ, Dept Phys, Kavli Inst Particle Astrophys & Cosmol, Stanford, CA 94305 USA. EM mbusha@physik.uzh.ch; rwechsler@stanford.edu FU National Science Foundation [NSF AST-0908883]; U.S. Department of Energy [DE-AC02-76SF00515]; NASA ATP; NSF AST FX R. H. W. and M. T. B. were supported by the National Science Foundation under grant NSF AST-0908883. R. H. W., P. S. B., and B. F. G. received support from the U.S. Department of Energy under contract number DE-AC02-76SF00515. A. K. and J.R.P. were supported by NASA ATP and NSF AST grants. The Bolshoi simulation was run on the NASA Advanced Supercomputing (NAS) Pleiades computer at NASA Ames Research Center. We thank Louie Strigari, Lulu Liu, and Anna Nierenberg for useful discussions. NR 58 TC 50 Z9 50 U1 0 U2 5 PU IOP PUBLISHING LTD PI BRISTOL PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND SN 0004-637X J9 ASTROPHYS J JI Astrophys. J. PD DEC 20 PY 2011 VL 743 IS 2 AR 117 DI 10.1088/0004-637X/743/2/117 PG 14 WC Astronomy & Astrophysics SC Astronomy & Astrophysics GA 863PO UT WOS:000298178400019 ER PT J AU D'Andrea, CB Gupta, RR Sako, M Morris, M Nichol, RC Brown, PJ Campbell, H Olmstead, MD Frieman, JA Garnavich, P Jha, SW Kessler, R Lampeitl, H Marriner, J Schneider, DP Smith, M AF D'Andrea, Chris B. Gupta, Ravi R. Sako, Masao Morris, Matt Nichol, Robert C. Brown, Peter J. Campbell, Heather Olmstead, Matthew D. Frieman, Joshua A. Garnavich, Peter Jha, Saurabh W. Kessler, Richard Lampeitl, Hubert Marriner, John Schneider, Donald P. Smith, Mathew TI SPECTROSCOPIC PROPERTIES OF STAR-FORMING HOST GALAXIES AND TYPE Ia SUPERNOVA HUBBLE RESIDUALS IN A NEARLY UNBIASED SAMPLE SO ASTROPHYSICAL JOURNAL LA English DT Article DE cosmology: observations; galaxies: abundances; supernovae: general; surveys ID DIGITAL SKY SURVEY; MASS-METALLICITY RELATION; LIGHT-CURVE SHAPES; STARBURST GALAXIES; LUMINOSITIES; UNIVERSE; STELLAR; CALIBRATIONS; ULTRAVIOLET; ABUNDANCES AB We examine the correlation between supernova (SN) host-galaxy properties and their residuals in the Hubble diagram. We use SNe discovered during the Sloan Digital Sky Survey-II Supernova Survey, and focus on objects at a redshift of z < 0.15, where the selection effects of the survey are known to yield a complete Type Ia supernova (SN Ia) sample. To minimize the bias in our analysis with respect to measured host-galaxy properties, spectra were obtained for nearly all hosts, spanning a range in magnitude of -23 < M(r) < -17. In contrast to previous works that use photometric estimates of host mass as a proxy for global metallicity, we analyze host-galaxy spectra to obtain gas-phase metallicities and star formation rates (SFRs) from host galaxies with active star formation. From a final sample of similar to 40 emission-line galaxies, we find that light-curve-corrected SNe Ia are similar to 0.1 mag brighter in high-metallicity hosts than in low-metallicity hosts. We also find a significant (> 3 sigma) correlation between the Hubble Residuals of SNe Ia and the specific SFR of the host galaxy. We comment on the importance of SN/host-galaxy correlations as a source of systematic bias in future deep SN surveys. C1 [D'Andrea, Chris B.; Gupta, Ravi R.; Sako, Masao; Morris, Matt] Univ Penn, Dept Phys & Astron, Philadelphia, PA 19104 USA. [D'Andrea, Chris B.; Nichol, Robert C.; Campbell, Heather; Lampeitl, Hubert] Univ Portsmouth, Inst Cosmol & Gravitat, Portsmouth PO1 3FX, Hants, England. [Morris, Matt] Johns Hopkins Univ, Dept Phys & Astron, Baltimore, MD 21218 USA. [Brown, Peter J.; Olmstead, Matthew D.] Univ Utah, Dept Phys & Astron, Salt Lake City, UT 84112 USA. [Frieman, Joshua A.; Kessler, Richard] Univ Chicago, Kavli Inst Cosmol Phys, Chicago, IL 60637 USA. [Frieman, Joshua A.; Kessler, Richard] Univ Chicago, Dept Astron & Astrophys, Chicago, IL 60637 USA. [Frieman, Joshua A.; Marriner, John] Fermilab Natl Accelerator Lab, Ctr Astrophys, Batavia, IL 60510 USA. [Garnavich, Peter] Rutgers State Univ, Dept Phys & Astron, Piscataway, NJ 08854 USA. [Jha, Saurabh W.] Univ Notre Dame, Dept Phys, Notre Dame, IN 46556 USA. [Schneider, Donald P.] Penn State Univ, Dept Astron & Astrophys, University Pk, PA 16802 USA. [Smith, Mathew] Univ Cape Town, Dept Math & Appl Math, Astrophys Cosmol & Grav Ctr, ZA-7701 Cape Town, South Africa. RP D'Andrea, CB (reprint author), Univ Penn, Dept Phys & Astron, 209 S 33rd St, Philadelphia, PA 19104 USA. EM chris.dandrea@port.ac.uk FU Alfred P. Sloan Foundation; National Science Foundation; U.S. Department of Energy; National Aeronautics and Space Administration; Japanese Monbukagakusho; Max Planck Society; Higher Education Funding Council for England; American Museum of Natural History; Astrophysical Institute Potsdam; University of Basel; University of Cambridge; Case Western Reserve University; University of Chicago; Drexel University; Fermi-lab; Institute for Advanced Study; Japan Participation Group; Johns Hopkins University; Joint Institute for Nuclear Astrophysics; Kavli Institute for Particle Astrophysics and Cosmology; Korean Scientist Group; Chinese Academy of Sciences (LAMOST); Los Alamos National Laboratory; Max-Planck-Institute for Astronomy (MPIA); Max-Planck-Institute for Astrophysics (MPA); New Mexico State University; Ohio State University; University of Pittsburgh; University of Portsmouth; Princeton University; United States Naval Observatory; University of Washington; ESO New Technology Telescope at La Silla Observatory [77.A-0437, 78.A-0325, 79.A-0715] FX Funding for the SDSS and SDSS-II has been provided by the Alfred P. Sloan Foundation, the Participating Institutions, the National Science Foundation, the U.S. Department of Energy, the National Aeronautics and Space Administration, the Japanese Monbukagakusho, the Max Planck Society, and the Higher Education Funding Council for England. The SDSS Web site is http://www.sdss.org/. The SDSS is managed by the Astrophysical Research Consortium for the Participating Institutions. The Participating Institutions are the American Museum of Natural History, Astrophysical Institute Potsdam, University of Basel, University of Cambridge, Case Western Reserve University, University of Chicago, Drexel University, Fermi-lab, the Institute for Advanced Study, the Japan Participation Group, Johns Hopkins University, the Joint Institute for Nuclear Astrophysics, the Kavli Institute for Particle Astrophysics and Cosmology, the Korean Scientist Group, the Chinese Academy of Sciences (LAMOST), Los Alamos National Laboratory, the Max-Planck-Institute for Astronomy (MPIA), the Max-Planck-Institute for Astrophysics (MPA), New Mexico State University, Ohio State University, University of Pittsburgh, University of Portsmouth, Princeton University, the United States Naval Observatory, and the University of Washington.; The Apache Point Observatory 3.5 m telescope is owned and operated by the Astrophysical Research Consortium. We thank the observatory director, Suzanne Hawley, and site manager, Bruce Gillespie, for their support of this project. Observations at the ESO New Technology Telescope at La Silla Observatory were made under program IDs 77.A-0437, 78.A-0325, and 79.A-0715. This work is based on observations obtained at the Gemini Observatory, which is operated by the Association of Universities for Research in Astronomy, Inc., under a cooperative agreement with the NSF on behalf of the Gemini partnership: the National Science Foundation (United States), the Science and Technology Facilities Council (United Kingdom), the National Research Council (Canada), CONICYT (Chile), the Australian Research Council (Australia), Ministerio da Ciencia e Tecnologia (Brazil), and Ministerio de Ciencia, Tecnologia e Innovacion Productiva (Argentina). NR 64 TC 37 Z9 37 U1 0 U2 4 PU IOP PUBLISHING LTD PI BRISTOL PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND SN 0004-637X J9 ASTROPHYS J JI Astrophys. J. PD DEC 20 PY 2011 VL 743 IS 2 AR 172 DI 10.1088/0004-637X/743/2/172 PG 12 WC Astronomy & Astrophysics SC Astronomy & Astrophysics GA 863PO UT WOS:000298178400074 ER PT J AU Ebrahimi, F Prager, SC AF Ebrahimi, F. Prager, S. C. TI MOMENTUM TRANSPORT FROM CURRENT-DRIVEN RECONNECTION IN ASTROPHYSICAL DISKS SO ASTROPHYSICAL JOURNAL LA English DT Article DE accretion, accretion disks; instabilities; magnetic fields; magnetic reconnection; magnetohydrodynamics (MHD) ID TURBULENT ACCRETION DISK; MAGNETIC-FIELDS; LAYERED ACCRETION; HYDROMAGNETIC STABILITY; LINEAR-ANALYSIS; INSTABILITY; DYNAMO; PROTOSTELLAR; NEBULA; SIMULATIONS AB Current-driven reconnection is investigated as a possible mechanism for angular momentum transport in astrophysical disks. A theoretical and computational study of angular momentum transport from current-driven magnetohydrodynamic instabilities is performed. It is found that both a single resistive tearing instability and an ideal instability can transport momentum in the presence of azimuthal Keplerian flow. The structure of the Maxwell stress is examined for a single mode through analytic quasilinear theory and computation. Full nonlinear multiple-mode computation shows that a global Maxwell stress causes significant momentum transport. C1 [Ebrahimi, F.] Univ New Hampshire, Ctr Magnet Self Org, Lab & Astrophys Plasmas, Durham, NH 03824 USA. [Prager, S. C.] Princeton Plasma Phys Lab, Princeton, NJ 08543 USA. RP Ebrahimi, F (reprint author), Univ New Hampshire, Ctr Magnet Self Org, Lab & Astrophys Plasmas, Durham, NH 03824 USA. OI Ebrahimi, Fatima/0000-0003-3109-5367 NR 37 TC 2 Z9 2 U1 0 U2 7 PU IOP PUBLISHING LTD PI BRISTOL PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND SN 0004-637X J9 ASTROPHYS J JI Astrophys. J. PD DEC 20 PY 2011 VL 743 IS 2 AR 192 DI 10.1088/0004-637X/743/2/192 PG 12 WC Astronomy & Astrophysics SC Astronomy & Astrophysics GA 863PO UT WOS:000298178400094 ER PT J AU Johnson, JL Khochfar, S AF Johnson, Jarrett L. Khochfar, Sadegh TI THE CONTRIBUTION OF SUPERNOVAE TO COSMIC REIONIZATION SO ASTROPHYSICAL JOURNAL LA English DT Article DE cosmology: theory; dark ages, reionization, first stars; radiative transfer; supernovae: general ID INITIAL MASS FUNCTION; HIGH-REDSHIFT GALAXIES; STAR-FORMATION RATE; POPULATION III STARS; X-RAY; IONIZING-RADIATION; BACKGROUND-RADIATION; LUMINOSITY FUNCTION; FORMING GALAXIES; 1ST GALAXIES AB While stars are widely discussed as the source of the high-energy photons that reionized the universe, an additional source of ionizing photons that must also contribute to reionization in this scenario are the supernovae (SNe) which mark the end of the life of massive stars. Here we estimate the relative contributions of SNe and stars to reionization. While the rate at which ionizing photons are produced in SNe shocks is well below that at which they are produced by stars, the harder spectra of radiation emitted from SNe lead to an enhanced escape fraction of SN-generated photons relative to that of stellar photons. In particular, along a given line of sight out of a galaxy, we find that for neutral hydrogen column densities N(H) greater than or similar to 10(18) cm(-2) the contribution to reionization from SNe is greater than that from stars. Drawing on the results of simulations presented in the literature, we find that the overall (line-of-sight-averaged) SNe shock-generated ionizing photon escape fraction is larger than the stellar photon escape fraction by a factor of similar or equal to 4 to similar or equal to 7, depending on the metallicity of the stellar population. Overall, our results suggest that the effect of SNe is an enhancement of up to similar to 10% in the fraction of hydrogen reionized by stellar sources. We briefly discuss the implications of our results for the population of galaxies responsible for reionization. C1 [Johnson, Jarrett L.; Khochfar, Sadegh] Max Planck Inst Extraterr Phys, Theoret Modeling Cosm Struct Grp, D-85748 Garching, Germany. [Johnson, Jarrett L.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA. [Johnson, Jarrett L.] Max Planck Inst Extraterr Phys, Nucl & Particle Phys Astrophys & Cosmol Grp T2, D-85748 Garching, Germany. RP Johnson, JL (reprint author), Max Planck Inst Extraterr Phys, Theoret Modeling Cosm Struct Grp, Giessenbachstr, D-85748 Garching, Germany. EM jjohnson@mpe.mpg.de NR 79 TC 12 Z9 12 U1 0 U2 4 PU IOP PUBLISHING LTD PI BRISTOL PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND SN 0004-637X J9 ASTROPHYS J JI Astrophys. J. PD DEC 20 PY 2011 VL 743 IS 2 AR 126 DI 10.1088/0004-637X/743/2/126 PG 10 WC Astronomy & Astrophysics SC Astronomy & Astrophysics GA 863PO UT WOS:000298178400028 ER PT J AU Kirkpatrick, JA Schlegel, DJ Ross, NP Myers, AD Hennawi, JF Sheldon, ES Schneider, DP Weaver, BA AF Kirkpatrick, Jessica A. Schlegel, David J. Ross, Nicholas P. Myers, Adam D. Hennawi, Joseph F. Sheldon, Erin S. Schneider, Donald P. Weaver, Benjamin A. TI A SIMPLE LIKELIHOOD METHOD FOR QUASAR TARGET SELECTION SO ASTROPHYSICAL JOURNAL LA English DT Article DE cosmology: observations; galaxies: distances and redshifts; large-scale structure of universe; methods: statistical; quasars: general; stars: general; stars: statistics; surveys ID DIGITAL-SKY-SURVEY; 7TH DATA RELEASE; LUMINOSITY FUNCTION; CATALOG; VARIABILITY; CALIBRATION; TELESCOPE; MONITOR; STRIPE; SYSTEM AB We present a new method for quasar target selection using photometric fluxes and a Bayesian probabilistic approach. For our purposes, we target quasars using Sloan Digital Sky Survey (SDSS) photometry to a magnitude limit of g = 22. The efficiency and completeness of this technique are measured using the Baryon Oscillation Spectroscopic Survey (BOSS) data taken in 2010. This technique was used for the uniformly selected (CORE) sample of targets in BOSS year-one spectroscopy to be realized in the ninth SDSS data release. When targeting at a density of 40 objects deg(-2) (the BOSS quasar targeting density), the efficiency of this technique in recovering z > 2.2 quasars is 40%. The completeness compared to all quasars identified in BOSS data is 65%. This paper also describes possible extensions and improvements for this technique. C1 [Kirkpatrick, Jessica A.] Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA. [Kirkpatrick, Jessica A.; Schlegel, David J.; Ross, Nicholas P.] Lawrence Berkeley Natl Lab, Berkeley, CA 92420 USA. [Myers, Adam D.] Univ Illinois, Dept Astron, Urbana, IL 61801 USA. [Myers, Adam D.; Hennawi, Joseph F.] Max Planck Inst Astron, D-69117 Heidelberg, Germany. [Myers, Adam D.] Univ Wyoming, Dept Phys & Astron, Laramie, WY 82071 USA. [Sheldon, Erin S.] Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA. [Schneider, Donald P.] Penn State Univ, Dept Astron & Astrophys, University Pk, PA 16802 USA. [Weaver, Benjamin A.] NYU, Ctr Cosmol & Particle Phys, New York, NY 10003 USA. RP Kirkpatrick, JA (reprint author), Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA. EM kirkpatrick@berkeley.edu FU Office of Science, Office of High Energy Physics, of the U.S. Department of Energy [DE-AC02-05CH11231]; Alfred P. Sloan Foundation; National Science Foundation; U.S. Department of Energy Office of Science FX Funding for SDSS-III has been provided by the Alfred P. Sloan Foundation, the Participating Institutions, the National Science Foundation, and the U.S. Department of Energy Office of Science.; This work was supported by the Director, Office of Science, Office of High Energy Physics, of the U.S. Department of Energy under Contract No. DE-AC02-05CH11231. NR 45 TC 31 Z9 31 U1 0 U2 4 PU IOP PUBLISHING LTD PI BRISTOL PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND SN 0004-637X J9 ASTROPHYS J JI Astrophys. J. PD DEC 20 PY 2011 VL 743 IS 2 AR 125 DI 10.1088/0004-637X/743/2/125 PG 9 WC Astronomy & Astrophysics SC Astronomy & Astrophysics GA 863PO UT WOS:000298178400027 ER PT J AU Murphy, CA Jackson, JM Sturhahn, W Chen, B AF Murphy, Caitlin A. Jackson, Jennifer M. Sturhahn, Wolfgang Chen, Bin TI Gruneisen parameter of hcp-Fe to 171 GPa SO GEOPHYSICAL RESEARCH LETTERS LA English DT Article ID NUCLEAR RESONANT SCATTERING; EARTHS INNER-CORE; DENSITY-OF-STATES; SITU X-RAY; EPSILON-IRON; SPECTROSCOPY; PRESSURE AB We measured the phonon density of states (DOS) of hexagonal close-packed iron (epsilon-Fe) with high statistical quality using nuclear resonant inelastic X-ray scattering and in situ X-ray diffraction experiments between pressures of 30 GPa and 171 GPa and at 300 K, with a neon pressure medium up to 69 GPa. The shape of the phonon DOS remained similar at all compression points, while the maximum (cutoff) energy increased regularly with decreasing volume. As a result, we present a generalized scaling law to describe the volume dependence of epsilon-Fe's total phonon DOS which, in turn, is directly related to the ambient temperature vibrational Gruneisen parameter (gamma(vib)). Fitting our individual gamma(vib) data points with gamma(vib) = gamma(vib, 0)(V/V(0))(q), a common parameterization, we found an ambient pressure gamma(vib,0) = 2.0 +/- 0.1 for the range q = 0.8 to 1.2. We also determined the Debye sound velocity (nu(D)) from the low-energy region of the phonon DOS and our in situ measured volumes, and used the volume dependence of nu(D) to determine the commonly discussed Debye Gruneisen parameter (gamma(D)). Comparing our gamma(vib)(V) and gamma(D)(V), we found gamma(vib) to be similar to 10% larger than gamma(D) at any given volume. Finally, applying our gamma(vib)(V) to a Mie-Gruneisen type relationship and an approximate form of the empirical Lindemann melting criterion, we predict the vibrational thermal pressure and estimate the high-pressure melting behavior of epsilon-Fe at Earth's core pressures. Citation: Murphy, C. A., J. M. Jackson, W. Sturhahn, and B. Chen (2011), Gruneisen parameter of hcp-Fe to 171 GPa, Geophys. Res. Lett., 38, L24306, doi:10.1029/2011GL049531. C1 [Murphy, Caitlin A.; Jackson, Jennifer M.; Chen, Bin] CALTECH, Seismol Lab, Pasadena, CA 91125 USA. [Sturhahn, Wolfgang] Argonne Natl Lab, Adv Photon Source, Argonne, IL 60439 USA. RP Murphy, CA (reprint author), CALTECH, Seismol Lab, M-C 252-21, Pasadena, CA 91125 USA. EM caitlinm@caltech.edu RI Chen, Bin/A-5980-2008; Murphy, Caitlin/A-9754-2014 OI Murphy, Caitlin/0000-0003-3658-5568 FU Caltech; U.S. D.O.E., O.S., O.B.E.S. [DE-AC02-06CH11357]; COMPRES (NSF) [EAR 06-49658]; [NSF-CAREER-0956166] FX We would like to thank D. Zhang, H. Yavas, and J.K. Wicks for assistance during the experiments, and NSF-CAREER-0956166 and Caltech for support of this research. We thank two anonymous reviewers for their comments that helped to improve our manuscript. Use of the Advanced Photon Source was supported by the U.S. D.O.E., O.S., O.B.E.S. (DE-AC02-06CH11357). Sector 3 operations and the GSE-CARS gas-loading facility are supported in part by COMPRES (NSF EAR 06-49658). NR 22 TC 11 Z9 11 U1 0 U2 18 PU AMER GEOPHYSICAL UNION PI WASHINGTON PA 2000 FLORIDA AVE NW, WASHINGTON, DC 20009 USA SN 0094-8276 J9 GEOPHYS RES LETT JI Geophys. Res. Lett. PD DEC 20 PY 2011 VL 38 AR L24306 DI 10.1029/2011GL049531 PG 5 WC Geosciences, Multidisciplinary SC Geology GA 868BP UT WOS:000298498800001 ER PT J AU Harris, RM Kousouris, K AF Harris, Robert M. Kousouris, Konstantinos TI SEARCHES FOR DIJET RESONANCES AT HADRON COLLIDERS SO INTERNATIONAL JOURNAL OF MODERN PHYSICS A LA English DT Review DE Dijet; resonance; excited quark; axigluon; diquark ID JET CROSS-SECTION; P(P)OVER-BAR COLLISIONS; CHIRAL HIERARCHIES; EXCITED QUARKS; MASS-SPECTRUM; PARTICLES; PHENOMENOLOGY; MODEL; DISTRIBUTIONS; HYPERCOLOR AB We review the experimental searches for new particles in the dijet mass spectrum conducted at the CERN S (p) over bar pS, the Fermilab Tevatron Collider, and the CERN Large Hadron Collider. The theory of the QCD background and new particle signals is reviewed, with emphasis on the choices made by the experiments to model the background and signal. The experimental techniques, data, and results of dijet resonance searches at hadron colliders over the last quarter century are described and compared. Model independent and model specific limits on new particles decaying to dijets are reviewed, and a detailed comparison is made of the recently published limits from the ATLAS and CMS experiments. C1 [Harris, Robert M.; Kousouris, Konstantinos] Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA. [Kousouris, Konstantinos] CERN, Geneva, Switzerland. RP Harris, RM (reprint author), Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA. EM rharris@fnal.gov; Konstantinos.Kousouris@cern.ch FU Fermilab [De-AC02-07CH11359]; United States Department of Energy FX We gratefully acknowledge discussions with our colleagues who conducted dijet resonance searches at hadron colliders. In particular, to compare CMS and ATLAS, critical information was provided by Georgios Choudalakis and Alfonso Zerwekh from ATLAS, and Maxime Gouzevitch and Chiyoung Jeong from CMS. For sharing information and useful discussions over the years, we also thank Iain Bertram, John Paul Chou, Kenichi Hatakeyama, Emilio Meschi, Maurizio Pierini, Sertac Ozturk and Pierre Savard. For assistance with calculations and concepts of the models over the years we thank our colleagues in the theory community, including Uli Baur, Estia Eichten, Ken Lane, Can Kilic, Steve Mrenna, Tom Rizzo, Elizabeth Simmons and Scott Thomas. This research was supported by Fermilab, operated by Fermi Research Alliance, LLC under Contract No. De-AC02-07CH11359 with the United States Department of Energy. NR 67 TC 36 Z9 36 U1 2 U2 3 PU WORLD SCIENTIFIC PUBL CO PTE LTD PI SINGAPORE PA 5 TOH TUCK LINK, SINGAPORE 596224, SINGAPORE SN 0217-751X J9 INT J MOD PHYS A JI Int. J. Mod. Phys. A PD DEC 20 PY 2011 VL 26 IS 30-31 BP 5005 EP 5055 DI 10.1142/S0217751X11054905 PG 51 WC Physics, Nuclear; Physics, Particles & Fields SC Physics GA 863SJ UT WOS:000298187900001 ER PT J AU Joseph, A AF Joseph, Anosh TI SUPERSYMMETRIC YANG-MILLS THEORIES WITH EXACT SUPERSYMMETRY ON THE LATTICE SO INTERNATIONAL JOURNAL OF MODERN PHYSICS A LA English DT Review DE Supersymmetric models; gauge/string duality; renormalization; lattice gauge theory ID QUANTUM-FIELD THEORY; KLEIN BLACK-HOLES; FEYNMAN-INTEGRALS; GAUGE-THEORIES; MASSLESS PROPAGATORS; TWISTED SUPERSPACE; 2 DIMENSIONS; P-BRANES; RENORMALIZATION; FERMIONS AB Inspired by the ideas from topological field theory it is possible to rewrite the supersymmetric charges of certain classes of extended supersymmetric Yang-Mills (SYM) theories in such a way that they are compatible with the discretization on a Euclidean space-time lattice. Such theories are known as maximally twisted SYM theories. In this review we discuss the construction and some applications of such classes of theories. The one-loop perturbative renormalization of the four-dimensional lattice N = 4 SYM is discussed in particular. The lattice theories constructed using twisted approach play an important role in investigating the thermal phases of strongly coupled SYM theories and also the thermodynamic properties of their dual gravitational theories. C1 Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA. RP Joseph, A (reprint author), Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA. EM anosh@lanl.gov RI Joseph, Anosh/F-9283-2012 OI Joseph, Anosh/0000-0003-4288-8207 FU Los Alamos National Laboratory FX I thank useful discussions with Simon Catterall, Eric Dzienkowski, Richard Galvez, Joel Giedt, Dhagash Mehta, Mithat Unsal, Robert Wells and Toby Wiseman. This work is supported in part by the LDRD program at the Los Alamos National Laboratory. NR 92 TC 14 Z9 14 U1 0 U2 2 PU WORLD SCIENTIFIC PUBL CO PTE LTD PI SINGAPORE PA 5 TOH TUCK LINK, SINGAPORE 596224, SINGAPORE SN 0217-751X J9 INT J MOD PHYS A JI Int. J. Mod. Phys. A PD DEC 20 PY 2011 VL 26 IS 30-31 BP 5057 EP 5132 DI 10.1142/S0217751X11054863 PG 76 WC Physics, Nuclear; Physics, Particles & Fields SC Physics GA 863SJ UT WOS:000298187900002 ER PT J AU Kim, JH Kim, SS Choi, SG Lee, SH AF Kim, Jong-Hyoung Kim, Seock-Sam Choi, Si-Geun Lee, Seung-Hun TI THE FRICTION BEHAVIOR OF NBR SURFACE MODIFIED BY ARGON PLASMA TREATMENT SO INTERNATIONAL JOURNAL OF MODERN PHYSICS B LA English DT Article; Proceedings Paper CT 6th International Conference on Advanced Materials Processing and Development (AMDP) CY JUL 15-18, 2011 CL Tokushima, JAPAN DE NBR; SEM; contact angle; friction; morphology; functional group ID RUBBER AB Different treatment time and bias voltage with RF Ar plasma were used to improve tribological properties of NBR (Nitrile Butadiene Rubber). Chemical structure analyses of NBR by Attenuated Total Reflectance (ATR) were performed to clarify the functionality modification after the plasma treatment. In addition, wetting experiments were carried out by measuring the contact angle of distilled water drops on the NBR surface. ATR analysis revealed that the number of -C=O, -C-O, O-H functional groups increased after the argon plasma treatment. The functional groups led to changes in the contact angle from 100 to 50 degrees. The results showed that form-like nanostructures on the NBR was observed at the bias voltage of -400 V. The friction test showed that coefficient of friction after modified NBR in lubricated condition decreased from 0.25 to 0.15 with the increasing bias voltage due to the surface structure formations and better bonding with grease lubricant. C1 [Kim, Seock-Sam; Choi, Si-Geun] Kyungpook Natl Univ, Sch Mech Engn, Taegu 702701, South Korea. [Kim, Jong-Hyoung] Argonne Natl Lab, Div Energy Syst, Argonne, IL 60439 USA. [Lee, Seung-Hun] Doosan Engine, Chang Won 642792, Gyeongsangnam D, South Korea. RP Kim, SS (reprint author), Kyungpook Natl Univ, Sch Mech Engn, 1370 Sankyuk Dong, Taegu 702701, South Korea. EM jongkim@anl.gov; sskim@knu.ac.kr; lsh1003@nate.com NR 6 TC 0 Z9 0 U1 2 U2 8 PU WORLD SCIENTIFIC PUBL CO PTE LTD PI SINGAPORE PA 5 TOH TUCK LINK, SINGAPORE 596224, SINGAPORE SN 0217-9792 J9 INT J MOD PHYS B JI Int. J. Mod. Phys. B PD DEC 20 PY 2011 VL 25 IS 31 SI SI BP 4249 EP 4252 DI 10.1142/S0217979211066696 PG 4 WC Physics, Applied; Physics, Condensed Matter; Physics, Mathematical SC Physics GA 871PZ UT WOS:000298751500026 ER PT J AU Dietze, MC Vargas, R Richardson, AD Stoy, PC Barr, AG Anderson, RS Arain, MA Baker, IT Black, TA Chen, JM Ciais, P Flanagan, LB Gough, CM Grant, RF Hollinger, D Izaurralde, RC Kucharik, CJ Lafleur, P Liu, SG Lokupitiya, E Luo, YQ Munger, JW Peng, CH Poulter, B Price, DT Ricciuto, DM Riley, WJ Sahoo, AK Schaefer, K Suyker, AE Tian, HQ Tonitto, C Verbeeck, H Verma, SB Wang, WF Weng, ES AF Dietze, Michael C. Vargas, Rodrigo Richardson, Andrew D. Stoy, Paul C. Barr, Alan G. Anderson, Ryan S. Arain, M. Altaf Baker, Ian T. Black, T. Andrew Chen, Jing M. Ciais, Philippe Flanagan, Lawrence B. Gough, Christopher M. Grant, Robert F. Hollinger, David Izaurralde, R. Cesar Kucharik, Christopher J. Lafleur, Peter Liu, Shugang Lokupitiya, Erandathie Luo, Yiqi Munger, J. William Peng, Changhui Poulter, Benjamin Price, David T. Ricciuto, Daniel M. Riley, William J. Sahoo, Alok Kumar Schaefer, Kevin Suyker, Andrew E. Tian, Hanqin Tonitto, Christina Verbeeck, Hans Verma, Shashi B. Wang, Weifeng Weng, Ensheng TI Characterizing the performance of ecosystem models across time scales: A spectral analysis of the North American Carbon Program site-level synthesis SO JOURNAL OF GEOPHYSICAL RESEARCH-BIOGEOSCIENCES LA English DT Article ID WAVELET ANALYSIS; TEMPORAL VARIABILITY; MULTISCALE ANALYSIS; DIOXIDE UPTAKE; EXCHANGE; VEGETATION; CO2; BIOSPHERE; FOREST; UNCERTAINTY AB Ecosystem models are important tools for diagnosing the carbon cycle and projecting its behavior across space and time. Despite the fact that ecosystems respond to drivers at multiple time scales, most assessments of model performance do not discriminate different time scales. Spectral methods, such as wavelet analyses, present an alternative approach that enables the identification of the dominant time scales contributing to model performance in the frequency domain. In this study we used wavelet analyses to synthesize the performance of 21 ecosystem models at 9 eddy covariance towers as part of the North American Carbon Program's site-level intercomparison. This study expands upon previous single-site and single-model analyses to determine what patterns of model error are consistent across a diverse range of models and sites. To assess the significance of model error at different time scales, a novel Monte Carlo approach was developed to incorporate flux observation error. Failing to account for observation error leads to a misidentification of the time scales that dominate model error. These analyses show that model error (1) is largest at the annual and 20-120 day scales, (2) has a clear peak at the diurnal scale, and (3) shows large variability among models in the 2-20 day scales. Errors at the annual scale were consistent across time, diurnal errors were predominantly during the growing season, and intermediate-scale errors were largely event driven. Breaking spectra into discrete temporal bands revealed a significant model-by-band effect but also a nonsignificant model-by-site effect, which together suggest that individual models show consistency in their error patterns. Differences among models were related to model time step, soil hydrology, and the representation of photosynthesis and phenology but not the soil carbon or nitrogen cycles. These factors had the greatest impact on diurnal errors, were less important at annual scales, and had the least impact at intermediate time scales. C1 [Dietze, Michael C.] Univ Illinois, Dept Plant Biol, Urbana, IL 61801 USA. [Vargas, Rodrigo] Ctr Invest Cient & Educ Super Ensenada, Dept Biol Conservac, Ensenada 22860, Baja California, Mexico. [Richardson, Andrew D.] Harvard Univ, Dept Organism & Evolutionary Biol, Cambridge, MA 02138 USA. [Stoy, Paul C.] Montana State Univ, Dept Land Resources & Environm Sci, Bozeman, MT 59717 USA. [Barr, Alan G.] Atmospher Sci & Technol Directorate, Div Climate Res, Saskatoon, SK S7N 3H5, Canada. [Anderson, Ryan S.] Univ Montana, Numer Terradynam Simulat Grp, Missoula, MT 59812 USA. [Arain, M. Altaf] McMaster Univ, Sch Geog & Earth Sci, Hamilton, ON L8S 4K1, Canada. [Arain, M. Altaf] McMaster Univ, McMaster Ctr Climate Change, Hamilton, ON L8S 4K1, Canada. [Baker, Ian T.; Lokupitiya, Erandathie] Colorado State Univ, Dept Atmospher Sci, Ft Collins, CO 80523 USA. [Black, T. Andrew] Univ British Columbia, Fac Land & Food Syst, Vancouver, BC V6T 1Z4, Canada. [Chen, Jing M.] Univ Toronto, Dept Geog, Toronto, ON M5S 3G3, Canada. [Chen, Jing M.] Univ Toronto, Program Planning, Toronto, ON M5S 3G3, Canada. [Ciais, Philippe] Ctr Etud Orme Merisiers, F-91191 Gif Sur Yvette, France. [Flanagan, Lawrence B.] Univ Lethbridge, Dept Biol Sci, Lethbridge, AB T1K 3M4, Canada. [Gough, Christopher M.] Virginia Commonwealth Univ, Dept Biol, Richmond, VA 23284 USA. [Grant, Robert F.] Univ Alberta, Dept Renewable Resources, Edmonton, AB T6G 2E3, Canada. [Hollinger, David] US Forest Serv, No Res Stn, USDA, Durham, NH 03824 USA. [Izaurralde, R. Cesar] Pacific NW Natl Lab, Richland, WA 99352 USA. [Izaurralde, R. Cesar] Univ Maryland, Joint Global Change Res Inst, College Pk, MD 20740 USA. [Kucharik, Christopher J.] Univ Wisconsin, Dept Agron, Madison, WI 53706 USA. [Kucharik, Christopher J.] Univ Wisconsin, Nelson Inst Ctr Sustainabil & Global Environm, Madison, WI 53706 USA. [Lafleur, Peter] Trent Univ, Dept Geog, Peterborough, ON K9J 7B8, Canada. [Liu, Shugang] Earth Resources Observat & Sci Ctr, Sioux Falls, SD 57198 USA. [Luo, Yiqi; Weng, Ensheng] Univ Oklahoma, Dept Bot & Microbiol, Norman, OK 73019 USA. [Munger, J. William] Harvard Univ, Sch Engn & Appl Sci, Cambridge, MA 02138 USA. [Munger, J. William] Harvard Univ, Dept Earth & Planetary Sci, Cambridge, MA 02138 USA. [Peng, Changhui; Wang, Weifeng] Univ Quebec, Dept Biol Sci, Montreal, PQ H3C 3P8, Canada. [Poulter, Benjamin] Swiss Fed Res Inst WSL, Birmensdorf, Switzerland. [Price, David T.] Canadian Forest Serv, No Forestry Ctr, Edmonton, AB T6H 3S5, Canada. [Ricciuto, Daniel M.] Oak Ridge Natl Lab, Div Environm Sci, Oak Ridge, TN 37831 USA. [Riley, William J.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Div Earth Sci, Berkeley, CA 94720 USA. [Sahoo, Alok Kumar] Princeton Univ, Dept Civil & Environm Engn, Princeton, NJ 08544 USA. [Schaefer, Kevin] Univ Colorado, Natl Snow & Ice Data Ctr, Boulder, CO 80309 USA. [Suyker, Andrew E.; Verma, Shashi B.] Univ Nebraska, Sch Nat Resources, Lincoln, NE 68583 USA. [Tian, Hanqin] Auburn Univ, Sch Forestry & Wildlife Sci, Auburn, AL 36849 USA. [Tonitto, Christina] Cornell Univ, Dept Ecol & Evolutionary Biol, Ithaca, NY 14853 USA. [Verbeeck, Hans] Univ Ghent, Fac Biosci Engn, Plant Ecol Lab, Dept Appl Ecol & Environm Biol, B-9000 Ghent, Belgium. RP Dietze, MC (reprint author), Univ Illinois, Dept Plant Biol, 505 S Goodwin Ave, Urbana, IL 61801 USA. EM mdietze@life.uiuc.edu; rvargas@cicese.mx; arichardson@oeb.harvard.edu; paul.stoy@montana.edu; alan.barr@ec.gc.ca; ryan.anderson@ntsg.umt.edu; arainm@mcmaster.ca; baker@atmos.colostate.edu; andrew.black@ubc.ca; chenj@geog.utoronto.ca; philippe.ciais@cea.fr; larry.flanagan@uleth.ca; cmgough@vcu.edu; robert.grant@afhe.ualberta.ca; davidh@hypatia.unh.edu; cesar.izaurralde@pnl.gov; kucharik@wisc.edu; plafleur@trentu.ca; sliu@usgs.gov; erandi@atmos.colostate.edu; yluo@ou.edu; jwmunger@seas.harvard.edu; peng.changhui@uqam.ca; benjamin.poulter@lsce.ipsl.fr; dprice@nrcan.gc.ca; ricciutodm@ornl.gov; wjriley@lbl.gov; sahoo@princeton.edu; kevin.schaefer@nsidc.org; asuyker1@unl.edu; tianhan@auburn.edu; ct244@cornell.edu; hans.verbeeck@ugent.be; sverma1@unl.edu RI Munger, J/H-4502-2013; Vargas, Rodrigo/C-4720-2008; Barr, Alan/H-9939-2014; Tian, Hanqin/A-6484-2012; Riley, William/D-3345-2015; Ricciuto, Daniel/I-3659-2016; Weng, Ensheng/E-4390-2012; Izaurralde, Roberto/E-5826-2012; Hollinger, David/G-7185-2012; Peng, Changhui/G-8248-2012; Dietze, Michael/A-5834-2009; Verbeeck, Hans/A-2106-2009; Flanagan, Lawrence/B-1307-2013; Wang, Weifeng/H-5642-2011; Richardson, Andrew/F-5691-2011 OI Munger, J/0000-0002-1042-8452; Vargas, Rodrigo/0000-0001-6829-5333; Grant, Robert/0000-0002-8890-6231; Arain, M. Altaf/0000-0002-1433-5173; Kucharik, Christopher/0000-0002-0400-758X; Poulter, Benjamin/0000-0002-9493-8600; Tian, Hanqin/0000-0002-1806-4091; Riley, William/0000-0002-4615-2304; Ricciuto, Daniel/0000-0002-3668-3021; Weng, Ensheng/0000-0002-1858-4847; Dietze, Michael/0000-0002-2324-2518; Verbeeck, Hans/0000-0003-1490-0168; Flanagan, Lawrence/0000-0003-1748-0306; Wang, Weifeng/0000-0002-9752-6185; Richardson, Andrew/0000-0002-0148-6714 FU NOAA [NA07OAR4310115]; U.S. Department of Energy's Office of Science through the Midwestern Regional Center for the National Institute for Climatic Change Research at Michigan Technological University [DE-FC02-06ER64158] FX We would like to thank the North American Carbon Program Site-Level Interim Synthesis team and the Oak Ridge National Laboratory Distributed Active Archive Center for collecting, organizing, and distributing the model output and flux observations required for this analysis. Research by K. S. was partly funded by NOAA award NA07OAR4310115. C. K. was supported by the U.S. Department of Energy's Office of Science through the Midwestern Regional Center for the National Institute for Climatic Change Research at Michigan Technological University under award DE-FC02-06ER64158. NR 47 TC 36 Z9 36 U1 6 U2 71 PU AMER GEOPHYSICAL UNION PI WASHINGTON PA 2000 FLORIDA AVE NW, WASHINGTON, DC 20009 USA SN 0148-0227 J9 J GEOPHYS RES-BIOGEO JI J. Geophys. Res.-Biogeosci. PD DEC 20 PY 2011 VL 116 AR G04029 DI 10.1029/2011JG001661 PG 15 WC Environmental Sciences; Geosciences, Multidisciplinary SC Environmental Sciences & Ecology; Geology GA 868BB UT WOS:000298497400001 ER PT J AU Arikawa, T Wang, X Hilton, DJ Reno, JL Pan, W Kono, J AF Arikawa, T. Wang, X. Hilton, D. J. Reno, J. L. Pan, W. Kono, J. TI Quantum control of a Landau-quantized two-dimensional electron gas in a GaAs quantum well using coherent terahertz pulses SO PHYSICAL REVIEW B LA English DT Article ID SEMICONDUCTORS; EMISSION; SPECTROSCOPY AB We demonstrate coherent control of cyclotron resonance in a two-dimensional electron gas (2DEG). We use a sequence of terahertz (THz) pulses to control the amplitude of coherent cyclotron resonance oscillations in an arbitrary fashion via phase-dependent coherent interactions. We observe a self-interaction effect, where the 2DEG interacts with the THz field emitted by itself within the decoherence time, resulting in a revival and collapse of quantum coherence. These observations are accurately describable using single-particle optical Bloch equations, showing no signatures of electron-electron interactions, which verifies the validity of Kohn's theorem for cyclotron resonance in the coherent regime. C1 [Arikawa, T.; Wang, X.; Kono, J.] Rice Univ, Dept Elect & Comp Engn, Houston, TX 77005 USA. [Arikawa, T.; Wang, X.; Kono, J.] Rice Univ, Dept Phys & Astron, Houston, TX 77005 USA. [Hilton, D. J.] Univ Alabama Birmingham, Dept Phys, Birmingham, AL 35294 USA. [Reno, J. L.] Sandia Natl Labs, Ctr Integrated Nanotechnol, Albuquerque, NM 87123 USA. RP Kono, J (reprint author), Rice Univ, Dept Elect & Comp Engn, Houston, TX 77005 USA. EM kono@rice.edu RI Arikawa, Takashi/E-2461-2011 FU Sandia National Laboratories [896506]; National Science Foundation [OISE-0530220, OISE-0968405, DMR-1006663]; Texas Higher Education Coordinating Board [01905]; Division of Materials Sciences and Engineering, Office of Basic Energy Sciences, US Department of Energy at Sandia National Laboratories [896506]; US Department of Energy, Center for Integrated Nanotechnologies at Sandia National Laboratories [DE-AC04-94AL85000] FX We thank A. Belyanin and A. Imambekov for valuable discussions. This work was supported by the Sandia National Laboratories (Award No. 896506), the National Science Foundation (Grants No. OISE-0530220, No. OISE-0968405, and No. DMR-1006663), the Texas Higher Education Coordinating Board (Award No. 01905), and the Division of Materials Sciences and Engineering, Office of Basic Energy Sciences, US Department of Energy (Award No. 896506 at Sandia National Laboratories). This work was also performed in part at the US Department of Energy, Center for Integrated Nanotechnologies at Sandia National Laboratories (Contract No. DE-AC04-94AL85000). NR 29 TC 22 Z9 22 U1 2 U2 17 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1098-0121 J9 PHYS REV B JI Phys. Rev. B PD DEC 20 PY 2011 VL 84 IS 24 AR 241307 DI 10.1103/PhysRevB.84.241307 PG 4 WC Physics, Condensed Matter SC Physics GA 868YG UT WOS:000298561800001 ER PT J AU Awad, AA Aliev, FG Ataklti, GW Silhanek, A Moshchalkov, VV Galperin, YM Vinokur, V AF Awad, A. A. Aliev, F. G. Ataklti, G. W. Silhanek, A. Moshchalkov, V. V. Galperin, Y. M. Vinokur, V. TI Flux avalanches triggered by microwave depinning of magnetic vortices in Pb superconducting films SO PHYSICAL REVIEW B LA English DT Article ID THIN-FILMS; II SUPERCONDUCTORS; VORTEX AVALANCHES; FREQUENCY; TEMPERATURE; INSTABILITY; PENETRATION; DYNAMICS; LATTICE; GROWTH AB We observe abrupt changes in broadband microwave permeability of thin Pb superconducting films as functions of the microwave frequency and intensity, as well as of external magnetic field. These changes are attributed to vortex avalanches generated by microwave induced depinning of vortices close to the sample edges. We map the experimental results on the widely used theoretical model assuming reversible response of the vortex motion to ac drive. It is shown that our measurements provide an efficient method of extracting the main parameter of the model-depinning frequencies-for different pinning centers. The observed dependences of the extracted depinning frequencies on the microwave power, magnetic field, and temperature support the idea that the flux avalanches are generated by microwave induced thermomagnetic instabilities. C1 [Awad, A. A.; Aliev, F. G.] Univ Autonoma Madrid, Dept Fis Mat Condensada, E-28049 Madrid, Spain. [Ataklti, G. W.; Silhanek, A.; Moshchalkov, V. V.] Katholieke Univ Leuven, INPAC, B-3001 Louvain, Belgium. [Silhanek, A.] Univ Liege, Dept Phys, B-4000 Liege, Belgium. [Galperin, Y. M.] Ctr Adv Study, NO-0271 Oslo, Norway. [Galperin, Y. M.] Univ Oslo, Dept Phys, N-0316 Oslo, Norway. [Vinokur, V.] Argonne Natl Lab, Argonne, IL 60439 USA. RP Aliev, FG (reprint author), Univ Autonoma Madrid, Dept Fis Mat Condensada, C-03, E-28049 Madrid, Spain. EM farkhad.aliev@uam.es RI Galperin, Yuri/A-1851-2008; Moshchalkov, Victor/I-7232-2013; Aliev, Farkhad/G-6278-2015; Awad, Ahmad/B-9331-2012 OI Galperin, Yuri/0000-0001-7281-9902; Awad, Ahmad/0000-0002-5908-3619 FU Spanish MICINN [MAT2009-10139, Consolider CSD2007-00010]; Comunidad de Madrid [P2009/MAT-1726]; ESF-VORTEX FX Authors acknowledge discussion with A. Levanyuk and support from Spanish MICINN (Grants No. MAT2009-10139 and No. Consolider CSD2007-00010) and Comunidad de Madrid (Grant No. P2009/MAT-1726) and ESF-VORTEX programme. NR 46 TC 7 Z9 7 U1 1 U2 8 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1098-0121 J9 PHYS REV B JI Phys. Rev. B PD DEC 20 PY 2011 VL 84 IS 22 AR 224511 DI 10.1103/PhysRevB.84.224511 PG 5 WC Physics, Condensed Matter SC Physics GA 868VR UT WOS:000298554800004 ER PT J AU Cheynis, F Bussmann, E Leroy, F Passanante, T Muller, P AF Cheynis, F. Bussmann, E. Leroy, F. Passanante, T. Mueller, P. TI Dewetting dynamics of silicon-on-insulator thin films SO PHYSICAL REVIEW B LA English DT Article ID CAPILLARY INSTABILITIES; THERMAL AGGLOMERATION; ELASTIC RELAXATION; EQUILIBRIUM SHAPE; ULTRAHIGH-VACUUM; SURFACE-ENERGY; ISLANDS; SI; DIFFUSION; SUBSTRATE AB Using low-energy electron microscopy (LEEM), we have measured, in real time, the dewetting of single-crystal Si(001) thin films on amorphous silicon dioxide substrates, which transforms the two-dimensional (2D) thin film into three-dimensional (3D) compact Si nanocrystals. The dewetting scenario has been reported by Bussmann et al. [New J. Phys. 13, 043017 (2011)]. Analytic 2D and 3D models based on simple approximate geometries of the dewetting front have been developed to analyze LEEM measurements. They enable us to estimate the driving force for dewetting E(s) similar to 14 eV/nm(2). Starting from a Si-film thickness dependent effective dewetting activation barrier, a single Si(001) surface self-diffusion energy of E(a) = 2.0 +/- 0.2 eV is derived. First nanoisland-formation dynamics measurements are discussed. Finally, grazing incidence small-angle x-ray scattering (GISAXS) is used to characterize the structure and the morphology of the Si nanocrystals created by the dewetting process. C1 [Cheynis, F.; Bussmann, E.; Leroy, F.; Passanante, T.; Mueller, P.] Aix Marseille Univ, CNRS, UPR 3118, CINaM, FR-13288 Marseille, France. [Bussmann, E.] Sandia Natl Labs, Photon Microsyst Technol, Albuquerque, NM 87185 USA. RP Cheynis, F (reprint author), Aix Marseille Univ, CNRS, UPR 3118, CINaM, Case 913,Campus Luminy, FR-13288 Marseille, France. EM cheynis@cinam.univ-mrs.fr RI Leroy, Frederic/K-2785-2015; Muller, Pierre/M-2654-2016 OI Leroy, Frederic/0000-0001-8731-9572; Muller, Pierre/0000-0003-0911-1308 FU ANR [ANR 08-nano-036]; Provence Alpes Cote d'Azur Region Council FX This work was supported by ANR grant PNANO DeFIS (Grant No. ANR 08-nano-036) and by APO grant delivered by Provence Alpes Cote d'Azur Region Council. The authors would like to thank J. Eymery and N. Blanc for fruitful discussions and their help during our beamtime access at the ESRF. Beamline BM32 staff are also acknowledged. The authors thank A. Locatelli for allowing preliminary studies on the beamline nanospectroscopy at the synchrotron Elettra (Trieste, Italy). NR 47 TC 32 Z9 33 U1 6 U2 22 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1098-0121 J9 PHYS REV B JI Phys. Rev. B PD DEC 20 PY 2011 VL 84 IS 24 AR 245439 DI 10.1103/PhysRevB.84.245439 PG 9 WC Physics, Condensed Matter SC Physics GA 868YG UT WOS:000298561800004 ER PT J AU Lomb, L Barends, TRM Kassemeyer, S Aquila, A Epp, SW Erk, B Foucar, L Hartmann, R Rudek, B Rolles, D Rudenko, A Shoeman, RL Andreasson, J Bajt, S Barthelmess, M Barty, A Bogan, MJ Bostedt, C Bozek, JD Caleman, C Coffee, R Coppola, N DePonte, DP Doak, RB Ekeberg, T Fleckenstein, H Fromme, P Gebhardt, M Graafsma, H Gumprecht, L Hampton, CY Hartmann, A Hauser, G Hirsemann, H Holl, P Holton, JM Hunter, MS Kabsch, W Kimmel, N Kirian, RA Liang, MN Maia, FRNC Meinhart, A Marchesini, S Martin, AV Nass, K Reich, C Schulz, J Seibert, MM Sierra, R Soltau, H Spence, JCH Steinbrener, J Stellato, F Stern, S Timneanu, N Wang, XY Weidenspointner, G Weierstall, U White, TA Wunderer, C Chapman, HN Ullrich, J Struder, L Schlichting, I AF Lomb, Lukas Barends, Thomas R. M. Kassemeyer, Stephan Aquila, Andrew Epp, Sascha W. Erk, Benjamin Foucar, Lutz Hartmann, Robert Rudek, Benedikt Rolles, Daniel Rudenko, Artem Shoeman, Robert L. Andreasson, Jakob Bajt, Sasa Barthelmess, Miriam Barty, Anton Bogan, Michael J. Bostedt, Christoph Bozek, John D. Caleman, Carl Coffee, Ryan Coppola, Nicola DePonte, Daniel P. Doak, R. Bruce Ekeberg, Tomas Fleckenstein, Holger Fromme, Petra Gebhardt, Maike Graafsma, Heinz Gumprecht, Lars Hampton, Christina Y. Hartmann, Andreas Hauser, Guenter Hirsemann, Helmut Holl, Peter Holton, James M. Hunter, Mark S. Kabsch, Wolfgang Kimmel, Nils Kirian, Richard A. Liang, Mengning Maia, Filipe R. N. C. Meinhart, Anton Marchesini, Stefano Martin, Andrew V. Nass, Karol Reich, Christian Schulz, Joachim Seibert, M. Marvin Sierra, Raymond Soltau, Heike Spence, John C. H. Steinbrener, Jan Stellato, Francesco Stern, Stephan Timneanu, Nicusor Wang, Xiaoyu Weidenspointner, Georg Weierstall, Uwe White, Thomas A. Wunderer, Cornelia Chapman, Henry N. Ullrich, Joachim Strueder, Lothar Schlichting, Ilme TI Radiation damage in protein serial femtosecond crystallography using an x-ray free-electron laser SO PHYSICAL REVIEW B LA English DT Article ID DIFFRACTION DATA; ATOMIC-RESOLUTION; CATALYTIC PATHWAY; CRYSTALS; PULSES AB X-ray free-electron lasers deliver intense femtosecond pulses that promise to yield high resolution diffraction data of nanocrystals before the destruction of the sample by radiation damage. Diffraction intensities of lysozyme nanocrystals collected at the Linac Coherent Light Source using 2 keV photons were used for structure determination by molecular replacement and analyzed for radiation damage as a function of pulse length and fluence. Signatures of radiation damage are observed for pulses as short as 70 fs. Parametric scaling used in conventional crystallography does not account for the observed effects. C1 [Lomb, Lukas; Barends, Thomas R. M.; Kassemeyer, Stephan; Foucar, Lutz; Rolles, Daniel; Shoeman, Robert L.; Gebhardt, Maike; Kabsch, Wolfgang; Meinhart, Anton; Steinbrener, Jan; Schlichting, Ilme] Max Planck Inst Med Res, DE-69120 Heidelberg, Germany. [Lomb, Lukas; Barends, Thomas R. M.; Kassemeyer, Stephan; Epp, Sascha W.; Erk, Benjamin; Foucar, Lutz; Rudek, Benedikt; Rolles, Daniel; Rudenko, Artem; Shoeman, Robert L.; Steinbrener, Jan; Ullrich, Joachim; Strueder, Lothar; Schlichting, Ilme] Max Planck Adv Study Grp, Ctr Free Electron Laser Sci, DE-22607 Hamburg, Germany. [Aquila, Andrew; Barty, Anton; Caleman, Carl; Coppola, Nicola; DePonte, Daniel P.; Fleckenstein, Holger; Gumprecht, Lars; Liang, Mengning; Martin, Andrew V.; Schulz, Joachim; Stellato, Francesco; Stern, Stephan; White, Thomas A.; Chapman, Henry N.] DESY, Ctr Free Electron Laser Sci, DE-22607 Hamburg, Germany. [Epp, Sascha W.; Erk, Benjamin; Rudek, Benedikt; Rudenko, Artem; Ullrich, Joachim] Max Planck Inst Kernphys, DE-69117 Heidelberg, Germany. [Hartmann, Robert; Hartmann, Andreas; Holl, Peter; Reich, Christian; Soltau, Heike] PNSensor GmbH, RE-81739 Munich, Germany. [Andreasson, Jakob; Ekeberg, Tomas; Maia, Filipe R. N. C.; Seibert, M. Marvin; Timneanu, Nicusor] Uppsala Univ, Dept Cell & Mol, Lab Mol Biophys, SE-75124 Uppsala, Sweden. [Bogan, Michael J.; Hampton, Christina Y.; Sierra, Raymond] SLAC Natl Accelerator Lab, Stanford PULSE Inst, Menlo Pk, CA 94025 USA. [Bostedt, Christoph; Bozek, John D.; Coffee, Ryan; Seibert, M. Marvin] SLAC Natl Accelerator Lab, Linac Coherent Light Source, Menlo Pk, CA 94025 USA. [Doak, R. Bruce; Kirian, Richard A.; Spence, John C. H.; Wang, Xiaoyu; Weierstall, Uwe] Arizona State Univ, Dept Phys, Tempe, AZ 85287 USA. [Fromme, Petra; Hunter, Mark S.] Arizona State Univ, Dept Chem & Biochem, Tempe, AZ 85287 USA. [Hauser, Guenter; Kimmel, Nils; Weidenspointner, Georg; Strueder, Lothar] Max Planck Inst Halbleiterlab, DE-81739 Munich, Germany. [Hauser, Guenter; Kimmel, Nils; Weidenspointner, Georg] Max Planck Inst Extraterr Phys, DE-85741 Garching, Germany. [Holton, James M.; Marchesini, Stefano] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Adv Light Source, Berkeley, CA 94720 USA. [Maia, Filipe R. N. C.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Natl Energy Res Sci Comp Ctr, Berkeley, CA 94720 USA. [Nass, Karol; Chapman, Henry N.] Univ Hamburg, DE-22761 Hamburg, Germany. RP Lomb, L (reprint author), Max Planck Inst Med Res, Jahnstr 29, DE-69120 Heidelberg, Germany. EM Ilme.Schlichting@mpimf-heidelberg.mpg.de RI Meinhart, Anton/M-9647-2014; Bajt, Sasa/G-2228-2010; Chapman, Henry/G-2153-2010; Rudek, Benedikt/A-5100-2017; Timneanu, Nicusor/C-7691-2012; Marchesini, Stefano/A-6795-2009; Bogan, Mike/I-6962-2012; Rudenko, Artem/C-7412-2009; Nass, Karol/K-1970-2012; Schlichting, Ilme/I-1339-2013; Kirian, Richard/M-3750-2013; Rocha Neves Couto Maia, Filipe/C-3146-2014; Bozek, John/E-9260-2010; Barty, Anton/K-5137-2014 OI graafsma, heinz/0000-0003-2304-667X; MARTIN, ANDREW/0000-0003-3704-1829; Epp, Sascha/0000-0001-6366-9113; Kirian, Richard/0000-0001-7197-3086; Chapman, Henry/0000-0002-4655-1743; Timneanu, Nicusor/0000-0001-7328-0400; Bogan, Mike/0000-0001-9318-3333; Rudenko, Artem/0000-0002-9154-8463; Rocha Neves Couto Maia, Filipe/0000-0002-2141-438X; Bozek, John/0000-0001-7486-7238; Barty, Anton/0000-0003-4751-2727 FU Max Planck Society; Helmholtz Association; CBST at UC Davis; DOE [DE-SC0002141]; National Science foundation NSF [0417142, MCB-1021557]; National Institute of Health [1R01GM09558301, 1U54GM094625-01]; U.S. Department of Energy through the PULSE Institute at the SLAC National Accelerator Laboratory; Lawrence Livermore National Laboratory [DE-AC52-07NA27344]; Joachim Herz Stiftung FX Experiments were carried out at the Linac Coherent Light Source, a national user facility operated by Stanford University on behalf of the US Department of Energy, Office of Basic Energy Sciences and at the Swiss Light Source, beamline X10SA, Paul Scherrer Institute, Villigen, Switzerland. We acknowledge support from the Max Planck Society for funding the development and operation of the CAMP instrument within the ASG at CFEL, the Helmholtz Association, CBST at UC Davis, DOE Grant No. DE-SC0002141, the National Science foundation NSF Grants No. 0417142 and No. MCB-1021557, the National Institute of Health (Grants No. 1R01GM09558301 and No. 1U54GM094625-01), the U.S. Department of Energy through the PULSE Institute at the SLAC National Accelerator Laboratory and Lawrence Livermore National Laboratory under Contract No. DE-AC52-07NA27344, and the Joachim Herz Stiftung. We thank Ulrike Mersdorf for technical support, Andreas Menzel for helpful discussions and his scripts, and Clemens Schulze-Briese and Fabia Gozzo for access to the powder-diffraction endstation at the SLS. We especially thank the staff of the LCLS for their outstanding facility and support in carrying out these experiments. NR 32 TC 75 Z9 75 U1 4 U2 62 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1098-0121 EI 1550-235X J9 PHYS REV B JI Phys. Rev. B PD DEC 20 PY 2011 VL 84 IS 21 AR 214111 DI 10.1103/PhysRevB.84.214111 PG 6 WC Physics, Condensed Matter SC Physics GA 867XG UT WOS:000298487500004 PM 24089594 ER PT J AU Warnick, KH Puzyrev, Y Roy, T Fleetwood, DM Schrimpf, RD Pantelides, ST AF Warnick, Keith H. Puzyrev, Yevgeniy Roy, Tania Fleetwood, Daniel M. Schrimpf, Ronald D. Pantelides, Sokrates T. TI Room-temperature diffusive phenomena in semiconductors: The case of AlGaN SO PHYSICAL REVIEW B LA English DT Article ID POINT-DEFECTS; GAN; DEGRADATION; MECHANISMS; CREEP AB Diffusion mediated by native point defects does not generally occur in semiconductors at room temperature (RT) because of high activation energies. However, recently observed plastic deformation in AlGaN/GaN structures in the presence of strain and electric fields was attributed to diffusive processes. Here, we report first-principles calculations showing that strain has little effect, but RT mass transport is enabled by near-zero formation energy of triply negative cation vacancies and a concomitant electric-field-induced lowering of migration energy. Similar phenomena are predicted to occur in other large-gap materials. C1 [Warnick, Keith H.; Puzyrev, Yevgeniy; Fleetwood, Daniel M.; Pantelides, Sokrates T.] Vanderbilt Univ, Dept Phys & Astron, Nashville, TN 37235 USA. [Roy, Tania; Fleetwood, Daniel M.; Schrimpf, Ronald D.; Pantelides, Sokrates T.] Vanderbilt Univ, Dept Elect Engn & Comp Sci, Nashville, TN 37235 USA. [Pantelides, Sokrates T.] Oak Ridge Natl Lab, Mat Sci & Technol Div, Oak Ridge, TN 37831 USA. RP Warnick, KH (reprint author), Vanderbilt Univ, Dept Phys & Astron, Nashville, TN 37235 USA. EM keith.h.warnick@vanderbilt.edu RI Schrimpf, Ronald/L-5549-2013; Roy, Tania/M-6540-2015 OI Schrimpf, Ronald/0000-0001-7419-2701; FU ONR MURI [N-00014-08-1-0655]; McMinn Endowment at Vanderbilt University FX The authors would like to thank Carl V. Thompson, Jesus A. del Alamo, and Tomas Palacios for useful discussions. The work was supported in part by ONR MURI Grant N-00014-08-1-0655 and by the McMinn Endowment at Vanderbilt University. NR 33 TC 8 Z9 8 U1 1 U2 14 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1098-0121 J9 PHYS REV B JI Phys. Rev. B PD DEC 20 PY 2011 VL 84 IS 21 AR 214109 DI 10.1103/PhysRevB.84.214109 PG 5 WC Physics, Condensed Matter SC Physics GA 867XG UT WOS:000298487500002 ER PT J AU Allmond, JM Radford, DC Baktash, C Batchelder, JC Galindo-Uribarri, A Gross, CJ Hausladen, PA Lagergren, K Larochelle, Y Padilla-Rodal, E Yu, CH AF Allmond, J. M. Radford, D. C. Baktash, C. Batchelder, J. C. Galindo-Uribarri, A. Gross, C. J. Hausladen, P. A. Lagergren, K. Larochelle, Y. Padilla-Rodal, E. Yu, C. -H. TI Coulomb excitation of Sn-124,Sn-126,Sn-128 SO PHYSICAL REVIEW C LA English DT Article ID GENERALIZED SENIORITY; TIN ISOTOPES; NUCLEI; STATES AB High-precision measurements of < 0(1)vertical bar vertical bar M(E2)vertical bar vertical bar 2(1)> matrix elements from the Coulomb excitation of Sn-124,Sn-126,Sn-128 on a C-12 target are presented. The extracted B(E2) values decrease monotonically from the neutron midshell toward the Sn-132 double-shell closure, despite a near constancy in the first 2(+) level energy. Furthermore, Coulomb excitation of Sn-124,Sn-126,Sn-128 on an enriched Ti-50 target, combined with the results from the C-12 target, provide a measure of the static quadrupole moments, Q(2(1)(+)) (expected to be zero for a spherical shape). These new results confirm that the unstable neutron-rich Sn-126,Sn-128 isotopes have deformations consistent with zero. The present study marks the first report on measured 2(1)(+) static quadrupole moments for unstable closed-shell nuclei. C1 [Allmond, J. M.; Hausladen, P. A.; Lagergren, K.; Padilla-Rodal, E.] Oak Ridge Natl Lab, Joint Inst Heavy Ion Res, Oak Ridge, TN 37831 USA. [Radford, D. C.; Baktash, C.; Galindo-Uribarri, A.; Gross, C. J.; Yu, C. -H.] Oak Ridge Natl Lab, Div Phys, Oak Ridge, TN 37831 USA. [Batchelder, J. C.] Oak Ridge Associated Univ, UNIRIB, Oak Ridge, TN 37831 USA. [Galindo-Uribarri, A.; Larochelle, Y.] Univ Tennessee, Dept Phys & Astron, Knoxville, TN 37996 USA. RP Allmond, JM (reprint author), Oak Ridge Natl Lab, Joint Inst Heavy Ion Res, Oak Ridge, TN 37831 USA. RI radford, David/A-3928-2015; OI Allmond, James Mitchell/0000-0001-6533-8721 FU Office of Nuclear Physics, US Department of Energy; US DOE [DE-AC05-76OR00033, DE-FG02-96ER40963] FX The authors gratefully acknowledge fruitful discussions with D. Cline, A. B. Hayes, and J. L. Wood, and thank the HRIBF operations staff for developing and providing the radioactive beams used in this study. This research was sponsored by the Office of Nuclear Physics, US Department of Energy. This work was also supported in part by the US DOE under Contracts No. DE-AC05-76OR00033 (UNIRIB) and No. DE-FG02-96ER40963 (UTK). NR 26 TC 23 Z9 23 U1 1 U2 9 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 0556-2813 J9 PHYS REV C JI Phys. Rev. C PD DEC 20 PY 2011 VL 84 IS 6 AR 061303 DI 10.1103/PhysRevC.84.061303 PG 5 WC Physics, Nuclear SC Physics GA 866PA UT WOS:000298392100001 ER PT J AU Hooper, D Linden, T AF Hooper, Dan Linden, Tim TI Origin of the gamma rays from the Galactic Center SO PHYSICAL REVIEW D LA English DT Article ID LARGE-AREA TELESCOPE; ABSOLUTE SKY BRIGHTNESS; SUPERMASSIVE BLACK-HOLE; DARK-MATTER HALOS; HIGH-ENERGY; MILKY-WAY; MILLISECOND PULSARS; CENTER REGION; EMISSION; GALAXY AB The region surrounding the center of the Milky Way is both astrophysically rich and complex, and is predicted to contain very high densities of dark matter. Utilizing three years of data from the Fermi Gamma Ray Space Telescope (and the recently available Pass 7 ultraclean event class), we study the morphology and spectrum of the gamma ray emission from this region and find evidence of a spatially extended component which peaks at energies between 300 MeV and 10 GeV. We compare our results to those reported by other groups and find good agreement. The extended emission could potentially originate from either the annihilations of dark matter particles in the inner galaxy, or from the collisions of high-energy protons that are accelerated by the Milky Way's supermassive black hole with gas. If interpreted as dark matter annihilation products, the emission spectrum favors dark matter particles with a mass in the range of 7-12 GeV (if annihilating dominantly to leptons) or 25-45 GeV (if annihilating dominantly to hadronic final states). The intensity of the emission corresponds to a dark matter annihilation cross section consistent with that required to generate the observed cosmological abundance in the early Universe (sigma v similar to 3 x 10(-26) cm(3)/s). We also present conservative limits on the dark matter annihilation cross section which are at least as stringent as those derived from other observations. C1 [Hooper, Dan; Linden, Tim] Fermilab Natl Accelerator Lab, Ctr Particle Astrophys, Batavia, IL 60510 USA. [Hooper, Dan] Univ Chicago, Dept Astron & Astrophys, Chicago, IL 60637 USA. [Linden, Tim] Univ Calif Santa Cruz, Dept Phys, Santa Cruz, CA 95064 USA. RP Hooper, D (reprint author), Fermilab Natl Accelerator Lab, Ctr Particle Astrophys, POB 500, Batavia, IL 60510 USA. FU US Department of Energy; NASA [NAG5-10842] FX We would like to thank Kev Abazajian, Alyson Brooks, Greg Dobler, Scott Dodelson, Will Farr, Doug Finkbeiner, Nick Gnedin, Jeter Hall, Jim Hinton, Stefano Profumo, and Marco Regis for helpful comments and discussions. D. H is supported by the US Department of Energy and by NASA grant NAG5-10842. NR 87 TC 280 Z9 281 U1 2 U2 5 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1550-7998 J9 PHYS REV D JI Phys. Rev. D PD DEC 20 PY 2011 VL 84 IS 12 AR 123005 DI 10.1103/PhysRevD.84.123005 PG 13 WC Astronomy & Astrophysics; Physics, Particles & Fields SC Astronomy & Astrophysics; Physics GA 870DP UT WOS:000298649600002 ER PT J AU Brown, G Odbadrakh, K Nicholson, DM Eisenbach, M AF Brown, G. Odbadrakh, Kh Nicholson, D. M. Eisenbach, M. TI Convergence for the Wang-Landau density of states SO PHYSICAL REVIEW E LA English DT Article ID ALGORITHM AB The Wang-Landau method of estimating the density of states g(E) has become a powerful tool in statistical mechanics. Here it is shown that the distribution of random walkers sampled using an estimated density of states can always be used to improve the estimate. Specifically, this can be done without resorting to an auxiliary modification factor f, which previously has been used to find g(E) self-consistently through a procedure that reduces f incrementally toward unity. This straightforward approach is validated for multiple, independent random walkers. C1 [Brown, G.] Florida State Univ, Dept Phys, Tallahassee, FL 32306 USA. [Brown, G.; Nicholson, D. M.] Oak Ridge Natl Lab, Computat Sci & Math Div, Oak Ridge, TN 37830 USA. [Odbadrakh, Kh] Oak Ridge Natl Lab, Mat Sci & Technol Div, Oak Ridge, TN 37830 USA. [Eisenbach, M.] Oak Ridge Natl Lab, Natl Ctr Computat Sci, Oak Ridge, TN 37830 USA. RP Brown, G (reprint author), Florida State Univ, Dept Phys, Tallahassee, FL 32306 USA. RI Brown, Gregory/F-7274-2016; OI Brown, Gregory/0000-0002-7524-8962; Eisenbach, Markus/0000-0001-8805-8327 FU UT-Battelle, LLC [DE-AC05-00OR22725]; Mathematical, Information, and Computational Sciences Division; Office of Advanced Scientific Computing Research (US DOE); Division of Materials Sciences and Engineering; Office of Basic Energy Sciences (US DOE) FX We would like to acknowledge computer resources provided by Florida State University and review of the mathematics by P. A. Rikvold. This work was performed at the Oak Ridge National Laboratory, which is managed by UT-Battelle, LLC under Contract No. DE-AC05-00OR22725, and sponsored by the Laboratory Directed Research and Development Program (ORNL), by the Mathematical, Information, and Computational Sciences Division; Office of Advanced Scientific Computing Research (US DOE), and by the Division of Materials Sciences and Engineering; Office of Basic Energy Sciences (US DOE). NR 13 TC 9 Z9 9 U1 0 U2 6 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1539-3755 J9 PHYS REV E JI Phys. Rev. E PD DEC 20 PY 2011 VL 84 IS 6 AR 065702 DI 10.1103/PhysRevE.84.065702 PN 2 PG 4 WC Physics, Fluids & Plasmas; Physics, Mathematical SC Physics GA 870NE UT WOS:000298675400002 PM 22304148 ER PT J AU Weber, F Rosenkranz, S Castellan, JP Osborn, R Karapetrov, G Hott, R Heid, R Bohnen, KP Alatas, A AF Weber, F. Rosenkranz, S. Castellan, J-P Osborn, R. Karapetrov, G. Hott, R. Heid, R. Bohnen, K-P Alatas, A. TI Electron-Phonon Coupling and the Soft Phonon Mode in TiSe2 SO PHYSICAL REVIEW LETTERS LA English DT Article ID CHARGE-DENSITY WAVES; SUPERCONDUCTIVITY AB We report high-resolution inelastic x-ray measurements of the soft phonon mode in the charge-density-wave compound TiSe2. We observe a complete softening of a transverse optic phonon at the L point, i.e., q = (0.5, 0, 0.5), at T approximate to T-CDW. Detailed ab initio calculations for the electronic and lattice dynamical properties of TiSe2 are in quantitative agreement with experimental frequencies for the soft phonon mode. The observed broad range of renormalized phonon frequencies, (0.3, 0, 0.5) <= q <= (0.5, 0, 0.5), is directly related to a broad peak in the electronic susceptibility stabilizing the charge-density-wave ordered state. Our analysis demonstrates that a conventional electron-phonon coupling mechanism can explain a structural instability and the charge-density-wave order in TiSe2 although other mechanisms might further boost the transition temperature. C1 [Weber, F.; Hott, R.; Heid, R.; Bohnen, K-P] Inst Festkorperphys, Karlsruher Inst Technol, D-76021 Karlsruhe, Germany. [Weber, F.; Rosenkranz, S.; Castellan, J-P; Osborn, R.; Karapetrov, G.] Argonne Natl Lab, Div Mat Sci, Argonne, IL 60439 USA. [Alatas, A.] Argonne Natl Lab, Adv Photon Source, Argonne, IL 60439 USA. RP Weber, F (reprint author), Inst Festkorperphys, Karlsruher Inst Technol, POB 3640, D-76021 Karlsruhe, Germany. EM frank.weber@kit.edu RI Rosenkranz, Stephan/E-4672-2011; Karapetrov, Goran/C-2840-2008 OI Rosenkranz, Stephan/0000-0002-5659-0383; Karapetrov, Goran/0000-0003-1113-0137 FU U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences [DE-AC02-06CH11357] FX We acknowledge valuable discussions with Jasper van Wezel and Mike Norman. Work at Argonne was supported by U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences, under Contract No. DE-AC02-06CH11357. NR 29 TC 32 Z9 32 U1 7 U2 65 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 0031-9007 J9 PHYS REV LETT JI Phys. Rev. Lett. PD DEC 20 PY 2011 VL 107 IS 26 AR 266401 DI 10.1103/PhysRevLett.107.266401 PG 5 WC Physics, Multidisciplinary SC Physics GA 869OK UT WOS:000298607400007 PM 22243169 ER PT J AU Mao, HK Ding, Y Xiao, YM Chow, P Shu, JF Lebegue, S Lazicki, A Ahuja, R AF Mao, Ho-Kwang Ding, Yang Xiao, Yuming Chow, Paul Shu, Jinfu Lebegue, Sebastien Lazicki, Amy Ahuja, Rajeev TI Electronic dynamics and plasmons of sodium under compression SO PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA LA English DT Article DE high pressure; free-electron gas; generalized gradient approximation; alkali metal ID X-RAY-SCATTERING; DENSE SODIUM; CONSTITUTION; METALS; GPA AB Sodium, which has long been regarded as one of the simplest metals, displays a great deal of structural, optical, and electronic complexities under compression. We compressed pure Na in the body-centered cubic structure to 52 GPa and in the face-centered cubic structure from 64 to 97 GPa, and studied the plasmon excitations of both structures using the momentum-dependent inelastic X-ray scattering technique. The plasmon dispersion curves as a function of pressure were extrapolated to zero momentum with a quadratic approximation. As predicted by the simple free-electron model, the square of the zero-momentum plasmon energy increases linearly with densification of the body-centered cubic Na up to 1.5-fold. At further compressions and in face-centered cubic Na above 64 GPa, the linear relation curves progressively toward the density axis up to 3.7-fold densification at 97 GPa. Ab initio calculations indicate that the deviation is an expected behavior of Na remaining a simple metal. C1 [Mao, Ho-Kwang] Carnegie Inst Sci, High Pressure Synerget Consortium, Argonne, IL 60439 USA. [Mao, Ho-Kwang; Xiao, Yuming; Chow, Paul] Carnegie Inst Sci, High Pressure Collaborat Access Team, Geophys Lab, Argonne, IL 60439 USA. [Mao, Ho-Kwang; Shu, Jinfu] Carnegie Inst Sci, Geophys Lab, Washington, DC 20015 USA. [Ding, Yang] Argonne Natl Lab, Advanced Photon Source, Argonne, IL 60439 USA. [Lebegue, Sebastien] Ctr Natl Rech Sci, Lab Cristallog Resonance Magnet & Modelisat, Inst Jean Barriol, Unite Mixte Rech 7036, F-54506 Vandoeuvre Les Nancy, France. [Lazicki, Amy] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA. [Ahuja, Rajeev] Uppsala Univ, Dept Phys & Astron, Condensed Matter Theory Grp, SE-75121 Uppsala, Sweden. [Ahuja, Rajeev] Royal Inst Technol, Dept Mat Sci & Engn, SE-10044 Stockholm, Sweden. RP Mao, HK (reprint author), Carnegie Inst Sci, High Pressure Synerget Consortium, Argonne, IL 60439 USA. EM mao@gl.ciw.edu RI Lebegue, sebastien/A-7851-2010; Ding, Yang/K-1995-2014 OI Ding, Yang/0000-0002-8845-4618 FU EFree, an Energy Frontier Research Center; US Department of Energy (DOE), Office of Science, and Office of Basic Energy Sciences (BES) [DE-SC0001057]; Carnegie Institute of Washington, Carnegie DOE Alliance Center, University of Nevada at Las Vegas; Lawrence Livermore National Laboratory; DOE-National Nuclear Security Administration, DOE-BES; National Science Foundation; DOE-BES [DE-AC02-06CH11357]; Swedish Research Council; Uppsala Multidisciplinary Center for Advanced Computational Science FX The authors thank S. Sinogeikin and Y. Meng for the X-ray beamline support. Neil W. Ashcroft, Viktor Struzhkin, Alex Goncharov, Giulia Galli, Andrew Jephcoat, and Xinguo Hong are acknowledged for valuable discussions. This research is supported by EFree, an Energy Frontier Research Center funded by the US Department of Energy (DOE), Office of Science, and Office of Basic Energy Sciences (BES) under Award DE-SC0001057. Use of the HPCAT, Advanced Photon Sources (APS) was supported by Carnegie Institute of Washington, Carnegie DOE Alliance Center, University of Nevada at Las Vegas, and Lawrence Livermore National Laboratory through funding from DOE-National Nuclear Security Administration, DOE-BES, and the National Science Foundation. Use of the APS was supported by DOE-BES under Contract DE-AC02-06CH11357. R. A. acknowledges the Swedish Research Council for financial support and Uppsala Multidisciplinary Center for Advanced Computational Science for computing time. NR 31 TC 9 Z9 9 U1 3 U2 17 PU NATL ACAD SCIENCES PI WASHINGTON PA 2101 CONSTITUTION AVE NW, WASHINGTON, DC 20418 USA SN 0027-8424 J9 P NATL ACAD SCI USA JI Proc. Natl. Acad. Sci. U. S. A. PD DEC 20 PY 2011 VL 108 IS 51 BP 20434 EP 20437 DI 10.1073/pnas.1116930108 PG 4 WC Multidisciplinary Sciences SC Science & Technology - Other Topics GA 865CW UT WOS:000298289400041 PM 22143758 ER PT J AU Sun, CM Todorovic, A Querol-Audi, J Bai, Y Villa, N Snyder, M Ashchyan, J Lewis, CS Hartland, A Gradia, S Fraser, CS Doudna, JA Nogales, E Cate, JHD AF Sun, Chaomin Todorovic, Aleksandar Querol-Audi, Jordi Bai, Yun Villa, Nancy Snyder, Monica Ashchyan, John Lewis, Christopher S. Hartland, Abbey Gradia, Scott Fraser, Christopher S. Doudna, Jennifer A. Nogales, Eva Cate, Jamie H. D. TI Functional reconstitution of human eukaryotic translation initiation factor 3 (eIF3) SO PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA LA English DT Article DE protein synthesis; translation regulation; supramolecular complex assembly; electron microscopy ID 40S RIBOSOMAL-SUBUNIT; HEPATITIS-C VIRUS; LIGATION-INDEPENDENT CLONING; MESSENGER-RNA RECRUITMENT; ELECTRON-MICROSCOPY; MASS-SPECTROMETRY; COP9 SIGNALOSOME; ENTRY SITE; IN-VITRO; COMPLEX AB Protein fate in higher eukaryotes is controlled by three complexes that share conserved architectural elements: the proteasome, COP9 signalosome, and eukaryotic translation initiation factor 3 (eIF3). Here we reconstitute the 13-subunit human eIF3 in Escherichia coli, revealing its structural core to be the eight subunits with conserved orthologues in the proteasome lid complex and COP9 signalosome. This structural core in eIF3 binds to the small (40S) ribosomal subunit, to translation initiation factors involved in mRNA cap-dependent initiation, and to the hepatitis C viral (HCV) internal ribosome entry site (IRES) RNA. Addition of the remaining eIF3 subunits enables reconstituted eIF3 to assemble intact initiation complexes with the HCV IRES. Negative-stain EM reconstructions of reconstituted eIF3 further reveal how the approximately 400 kDa molecular mass structural core organizes the highly flexible 800 kDa molecular mass eIF3 complex, and mediates translation initiation. C1 [Bai, Yun; Ashchyan, John; Doudna, Jennifer A.; Nogales, Eva; Cate, Jamie H. D.] Univ Calif Berkeley, Dept Mol & Cell Biol, Berkeley, CA 94720 USA. [Sun, Chaomin; Todorovic, Aleksandar; Querol-Audi, Jordi; Hartland, Abbey; Gradia, Scott] Univ Calif Berkeley, Calif Inst Quantitat Biosci, Berkeley, CA 94720 USA. [Villa, Nancy] Univ Calif Davis, Dept Mol & Cellular Biol, Davis, CA 95616 USA. [Snyder, Monica; Cate, Jamie H. D.] Univ Calif Davis, Dept Chem, Berkeley, CA 94720 USA. [Lewis, Christopher S.] Univ Calif Davis, Dept Chem & Biomol Engn, Berkeley, CA 94720 USA. [Doudna, Jennifer A.; Nogales, Eva] Univ Calif Davis, Howard Hughes Med Inst, Berkeley, CA 94720 USA. [Doudna, Jennifer A.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Phys Biosci Div, Berkeley, CA 94720 USA. [Nogales, Eva] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Life Sci Div, Berkeley, CA 94720 USA. RP Doudna, JA (reprint author), Univ Calif Berkeley, Dept Mol & Cell Biol, Berkeley, CA 94720 USA. EM doudna@berkeley.edu; jcate@lbl.gov RI Fraser, Christopher/H-9186-2013 FU National Institutes of Health [P01GM073732, R01GM092927, 1S10RR022393-01] FX We thank Robert Tjian for HeLa cell cytoplasmic extracts, Anthony Iavarone for help with mass spectrometry data acquisition and interpretation, Masaaki Sokabe for help with protocols for Northern analyses, and John Hershey for helpful comments on the manuscript. This work was funded by the National Institutes of Health Grant P01GM073732 (to J.H.D.C. and J.A.D.), R01GM092927 (to C. S. F.), and 1S10RR022393-01 to the QB3/Department of Chemistry Mass Spectrometry facility. J.A.D. and E.N. are Howard Hughes Medical Institute Investigators. NR 57 TC 50 Z9 51 U1 1 U2 12 PU NATL ACAD SCIENCES PI WASHINGTON PA 2101 CONSTITUTION AVE NW, WASHINGTON, DC 20418 USA SN 0027-8424 J9 P NATL ACAD SCI USA JI Proc. Natl. Acad. Sci. U. S. A. PD DEC 20 PY 2011 VL 108 IS 51 BP 20473 EP 20478 DI 10.1073/pnas.1116821108 PG 6 WC Multidisciplinary Sciences SC Science & Technology - Other Topics GA 865CW UT WOS:000298289400048 PM 22135459 ER PT J AU Bonachela, JA Raghib, M Levin, SA AF Bonachela, Juan A. Raghib, Michael Levin, Simon A. TI Dynamic model of flexible phytoplankton nutrient uptake SO PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA LA English DT Article DE nutrient-uptake kinetics; phenotypic plasticity; acclimation; uptake sites ID MARINE-PHYTOPLANKTON; POPULATION GROWTH; NITRATE UPTAKE; TRANSPORT; KINETICS; OCEAN; ACCLIMATION; COMMUNITIES; TEMPERATURE; ENVIRONMENT AB The metabolic machinery of marine microbes can be remarkably plastic, allowing organisms to persist under extreme nutrient limitation. With some exceptions, most theoretical approaches to nutrient uptake in phytoplankton are largely dominated by the classic Michaelis-Menten (MM) uptake functional form, whose constant parameters cannot account for the observed plasticity in the uptake apparatus. Following seminal ideas by earlier researchers, we propose a simple cell-level model based on a dynamic view of the uptake process whereby the cell can regulate the synthesis of uptake proteins in response to changes in both internal and external nutrient concentrations. In our flexible approach, the maximum uptake rate and nutrient affinity increase monotonically as the external nutrient concentration decreases. For low to medium nutrient availability, our model predicts uptake and growth rates larger than the classic MM counterparts, while matching the classic MM results for large nutrient concentrations. These results have important consequences for global coupled models of ocean circulation and biogeochemistry, which lack this regulatory mechanism and are thus likely to underestimate phytoplankton abundances and growth rates in oligotrophic regions of the ocean. C1 [Bonachela, Juan A.; Levin, Simon A.] Princeton Univ, Dept Ecol & Evolutionary Biol, Princeton, NJ 08544 USA. [Raghib, Michael] Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA. RP Bonachela, JA (reprint author), Princeton Univ, Dept Ecol & Evolutionary Biol, Princeton, NJ 08544 USA. EM jabo@princeton.edu; slevin@princeton.edu RI Raghib, Michael/B-4664-2013; Bonachela, Juan/H-9848-2016 OI Raghib, Michael/0000-0002-6926-6857; Bonachela, Juan/0000-0002-3316-8120 FU Defense Advanced Research Planning Agency [HR0011-05-1-0057, HR0011-09-1-055]; National Science Foundation [OCE-1046001]; Department of Energy at Los Alamos National Laboratory through the Laboratory Directed Research and Development [DE-AC52-06NA25396]; Cooperative Institute for Climate Science of Princeton University; National Oceanographic and Atmospheric Administration's Geophysical Fluid Dynamics Laboratory FX We thank Steve Allison, John Dunne, Stephanie Dutkiewicz, Oyvind Fiksen, Peter Franks, Michael Follows, Miguel Fortuna, Christopher Klausmeier, Elena Litchman, Adam Martiny, Francois Morel, Jorge Sarmiento, Charles Stock, Bess Ward, and Joshua Weitz for helpful discussions and suggestions. We gratefully acknowledge support from the Defense Advanced Research Planning Agency under Grants HR0011-05-1-0057 and HR0011-09-1-055, and the National Science Foundation under Grant OCE-1046001. Part of this work was funded by the Department of Energy at Los Alamos National Laboratory under Contract DE-AC52-06NA25396 through the Laboratory Directed Research and Development Program, and also by the Cooperative Institute for Climate Science of Princeton University and the National Oceanographic and Atmospheric Administration's Geophysical Fluid Dynamics Laboratory. NR 39 TC 39 Z9 39 U1 9 U2 45 PU NATL ACAD SCIENCES PI WASHINGTON PA 2101 CONSTITUTION AVE NW, WASHINGTON, DC 20418 USA SN 0027-8424 J9 P NATL ACAD SCI USA JI Proc. Natl. Acad. Sci. U. S. A. PD DEC 20 PY 2011 VL 108 IS 51 BP 20633 EP 20638 DI 10.1073/pnas.1118012108 PG 6 WC Multidisciplinary Sciences SC Science & Technology - Other Topics GA 865CW UT WOS:000298289400075 PM 22143781 ER PT J AU Gallego-Giraldo, L Escamilla-Trevino, L Jackson, LA Dixon, RA AF Gallego-Giraldo, Lina Escamilla-Trevino, Luis Jackson, Lisa A. Dixon, Richard A. TI Salicylic acid mediates the reduced growth of lignin down-regulated plants SO PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA LA English DT Article DE biofuel crops; defense signaling; lignin modification; Medicago truncatula ID ALFALFA MEDICAGO-SATIVA; SYSTEMIC ACQUIRED-RESISTANCE; ACINETOBACTER SP ADP1; MONOLIGNOL BIOSYNTHESIS; FORAGE QUALITY; GENE; TOBACCO; EXPRESSION; DEFENSE; COA AB Down-regulation of the enzyme hydroxycinnamoyl CoA: shikimate hydroxycinnamoyl transferase (HCT) in thale cress (Arabidopsis thaliana) and alfalfa (Medicago sativa) leads to strongly reduced lignin levels, reduced recalcitrance of cell walls to sugar release, but severe stunting of the plants. Levels of the stress hormone salicylic acid (SA) are inversely proportional to lignin levels and growth in a series of transgenic alfalfa plants in which lignin biosynthesis has been perturbed at different biosynthetic steps. Reduction of SA levels by genetically blocking its formation or causing its removal restores growth in HCT-down-regulated Arabidopsis, although the plants maintain reduced lignin levels. SA-mediated growth inhibition may occur via interference with gibberellic acid signaling or responsiveness. Our data place SA as a central component in growth signaling pathways that either sense flux into the monolignol pathway or respond to secondary cell-wall integrity, and indicate that it is possible to engineer plants with highly reduced cell-wall recalcitrance without negatively impacting growth. C1 [Escamilla-Trevino, Luis; Dixon, Richard A.] Bioenergy Sci Ctr, Oak Ridge, TN 37831 USA. [Gallego-Giraldo, Lina; Jackson, Lisa A.] Samuel Roberts Noble Fdn Inc, Div Plant Biol, Ardmore, OK 73401 USA. RP Dixon, RA (reprint author), Bioenergy Sci Ctr, Oak Ridge, TN 37831 USA. EM radixon@noble.org FU Oklahoma Bioenergy Center; Bioenergy Sciences Center; Office of Biological and Environmental Research in the Department of Energy Office of Science FX We thank Dr. Clint Chapple for Arabidopsis HCT-RNAi lines, Dr. Hui Wang for Acinetobacter sp. ADPWH_lux, David Human for assistance with liquid chromatography/MS data analysis, and Drs. Rujin Chen and Rao Uppalapati for critical reading of the manuscript. This work was supported by the Oklahoma Bioenergy Center and the Bioenergy Sciences Center (which is supported by the Office of Biological and Environmental Research in the Department of Energy Office of Science). NR 38 TC 51 Z9 52 U1 9 U2 42 PU NATL ACAD SCIENCES PI WASHINGTON PA 2101 CONSTITUTION AVE NW, WASHINGTON, DC 20418 USA SN 0027-8424 J9 P NATL ACAD SCI USA JI Proc. Natl. Acad. Sci. U. S. A. PD DEC 20 PY 2011 VL 108 IS 51 BP 20814 EP 20819 DI 10.1073/pnas.1117873108 PG 6 WC Multidisciplinary Sciences SC Science & Technology - Other Topics GA 865CW UT WOS:000298289400106 PM 22123972 ER PT J AU Luu, MB Tran, CQ Arhatari, B Balaur, E Kirby, N Mudie, S Pham, BT Vo, NT Putkunz, CT De Carlo, F Peele, AG AF Luu, Mac B. Tran, Chanh Q. Arhatari, Benedicta Balaur, Eugeniu Kirby, Nirgel Mudie, Stephen Pham, Bao T. Vo, Nghia T. Putkunz, Corey T. De Carlo, Francesco Peele, Andrew G. TI Multi-wavelength elemental contrast absorption imaging SO OPTICS EXPRESS LA English DT Article ID PHASE AB We report experimental demonstrations of a quantitative technique for elemental mapping. The technique operates in full-field imaging mode and uses three intensity measurements at energies across an absorption edge of an element of interest to obtain its elemental distribution. The experimental results show that the technique can overcome some limitations in the conventional Absorption Edge Contrast Imaging. The technique allows for an accurate determination of the elemental distribution in a compound sample even at a low level of percentage composition. It is also robust to the choice of energy intervals. (C) 2011 Optical Society of America C1 [Luu, Mac B.; Tran, Chanh Q.; Arhatari, Benedicta; Balaur, Eugeniu; Pham, Bao T.; Peele, Andrew G.] La Trobe Univ, Dept Phys, Bundoora, Vic 3086, Australia. [Luu, Mac B.; Tran, Chanh Q.; Arhatari, Benedicta; Balaur, Eugeniu; Pham, Bao T.; Putkunz, Corey T.; Peele, Andrew G.] ARC Ctr Excellence Coherent Xray Sci, Melbourne, Vic, Australia. [Putkunz, Corey T.] Univ Melbourne, Sch Phys, Melbourne, Vic 3010, Australia. [Kirby, Nirgel; Mudie, Stephen; Peele, Andrew G.] Australian Synchrotron, Melbourne, Vic 3168, Australia. [Vo, Nghia T.] Natl Univ Singapore, Dept Phys, Singapore 119077, Singapore. [De Carlo, Francesco] Argonne Natl Lab, Adv Photon Source, Argonne, IL 60439 USA. RP Luu, MB (reprint author), La Trobe Univ, Dept Phys, Bundoora, Vic 3086, Australia. EM bmluu@students.latrobe.edu.au RI Tran, Chanh/M-7868-2015; Balaur, Eugeniu/J-5865-2016; Luu, Mac/L-5965-2016 OI Balaur, Eugeniu/0000-0003-4029-2055; FU Australian Research Council through the Centre of Excellent for Coherent X-ray Science; U. S. Department of Energy, Office of Science, Office of Basic Energy Sciences [DE-AC02-06CH11357]; Australian Synchrotron Research Program (ASRP); Australian Government; SAXS/WAXS; 2BM beamline scientists FX The authors acknowledge the support of the Australian Research Council through the Centre of Excellent for Coherent X-ray Science. The authors acknowledge the uses of the Advanced Photon Source at Argonne National Laboratory supported by the U. S. Department of Energy, Office of Science, Office of Basic Energy Sciences, under Contract No. DE-AC02-06CH11357. We acknowledge travel funding provided by the Australian Synchrotron Research Program (ASRP) managed by the Australian Synchrotron and funded by the Australian Government. This research was undertaken on the SAXS/WAXS beamline at the Australian Synchrotron, Victoria, Australia and on the 2BM beam line at the Advanced Photon Source, Argonne National Laboratory, US. The authors acknowledge the supports all the SAXS/WAXS and the 2BM beamline scientists. The authors also acknowledge Aidan Carroll for his support on spelling and grammar corrections of this paper. NR 22 TC 2 Z9 2 U1 0 U2 4 PU OPTICAL SOC AMER PI WASHINGTON PA 2010 MASSACHUSETTS AVE NW, WASHINGTON, DC 20036 USA SN 1094-4087 J9 OPT EXPRESS JI Opt. Express PD DEC 19 PY 2011 VL 19 IS 27 BP 25969 EP 25980 DI 10.1364/OE.19.025969 PG 12 WC Optics SC Optics GA 903WB UT WOS:000301151500015 PM 22274185 ER PT J AU Zortman, WA Lentine, AL Trotter, DC Watts, MR AF Zortman, William A. Lentine, Anthony L. Trotter, Douglas C. Watts, Michael R. TI Low-voltage differentially-signaled modulators SO OPTICS EXPRESS LA English DT Article ID SILICON ELECTROOPTIC MODULATOR; HIGH-SPEED; COMPACT AB For exascale computing applications, viable optical solutions will need to operate using low voltage signaling and with low power consumption. In this work, the first differentially signaled silicon resonator is demonstrated which can provide a 5dB extinction ratio using 3fJ/bit and 500mV signal amplitude at 10Gbps. Modulation with asymmetric voltage amplitudes as low as 150mV with 3dB extinction are demonstrated at 10Gbps as well. Differentially signaled resonators simplify and expand the design space for modulator implementation and require no special drivers. (C) 2011 Optical Society of America C1 [Zortman, William A.; Lentine, Anthony L.; Trotter, Douglas C.; Watts, Michael R.] Sandia Natl Labs, Albuquerque, NM 87185 USA. [Zortman, William A.] Univ New Mexico, Ctr High Technol Mat, Albuquerque, NM 87185 USA. [Watts, Michael R.] MIT, Elect Res Lab, Cambridge, MA 02139 USA. RP Zortman, WA (reprint author), Sandia Natl Labs, POB 5800, Albuquerque, NM 87185 USA. EM wzortm@sandia.gov FU Sandias Laboratory Directed Research and Development (LDRD); United States Department of Energy's National Nuclear Security Administration [E-AC04-94AL85000] FX Funding for this work was provided by Sandias Laboratory Directed Research and Development (LDRD) program. Sandia is a multiprogram laboratory operated by Sandia Corporation, a Lockheed Martin Company, for the United States Department of Energy's National Nuclear Security Administration under contract DE-AC04-94AL85000. NR 17 TC 27 Z9 27 U1 1 U2 8 PU OPTICAL SOC AMER PI WASHINGTON PA 2010 MASSACHUSETTS AVE NW, WASHINGTON, DC 20036 USA SN 1094-4087 J9 OPT EXPRESS JI Opt. Express PD DEC 19 PY 2011 VL 19 IS 27 BP 26017 EP 26026 DI 10.1364/OE.19.026017 PG 10 WC Optics SC Optics GA 903WB UT WOS:000301151500021 PM 22274191 ER PT J AU van Tilborg, J Bakker, DJ Matlis, NH Leemans, WP AF van Tilborg, J. Bakker, D. J. Matlis, N. H. Leemans, W. P. TI Spectral sidebands on a narrow-bandwidth optical probe as a broad-bandwidth THz pulse diagnostic SO OPTICS EXPRESS LA English DT Article ID SHOT SPATIOTEMPORAL MEASUREMENTS; TERAHERTZ PULSES AB Broad-bandwidth THz-domain electro-magnetic pulses are typically diagnosed through temporal electro-optic (EO) cross-correlation with an optical probe pulse. Single-shot time-domain measurements of the THz waveform involve complex setups at a bandwidth coverage limited by the probe bandwidth. Here we present an EO-based diagnostic directly in the spectral domain, relying on THz-induced optical sidebands on a narrow-bandwidth optical probe. Experiments are conducted with a 0.11-THz-bandwidth optical probe and a broadband source (0-8 THz detection bandwidth) rich in spectral features. The validity of the sideband diagnostic concept, its spectral resolution, sideband amplitude, and the effects of probe timing are studied. For probe pulses longer than the THz pulse, the sideband technique proves an accurate single-shot spectral diagnostic, with advantages in setup simplicity and bandwidth coverage no longer limited by the laser bandwidth. (C) 2011 Optical Society of America C1 [van Tilborg, J.; Bakker, D. J.; Matlis, N. H.; Leemans, W. P.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA. RP van Tilborg, J (reprint author), Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA. EM JvanTilborg@lbl.gov FU Office of Science, Office of High Energy Physics, of the U.S. Department of Energy [DE-AC02-05CH11231] FX This work was supported by the Director, Office of Science, Office of High Energy Physics, of the U.S. Department of Energy under Contract No. DE-AC02-05CH11231. NR 18 TC 4 Z9 4 U1 1 U2 12 PU OPTICAL SOC AMER PI WASHINGTON PA 2010 MASSACHUSETTS AVE NW, WASHINGTON, DC 20036 USA SN 1094-4087 J9 OPT EXPRESS JI Opt. Express PD DEC 19 PY 2011 VL 19 IS 27 BP 26634 EP 26644 DI 10.1364/OE.19.026634 PG 11 WC Optics SC Optics GA 903WB UT WOS:000301151500077 PM 22274247 ER PT J AU Vasudevan, RK Bogle, KA Kumar, A Jesse, S Magaraggia, R Stamps, R Ogale, SB Potdar, HS Nagarajan, V AF Vasudevan, R. K. Bogle, K. A. Kumar, A. Jesse, S. Magaraggia, R. Stamps, R. Ogale, S. B. Potdar, H. S. Nagarajan, V. TI Ferroelectric and electrical characterization of multiferroic BiFeO3 at the single nanoparticle level SO APPLIED PHYSICS LETTERS LA English DT Article ID THIN-FILMS AB Ferroelectric BiFeO3 (BFO) nanoparticles deposited on epitaxial substrates of SrRuO3 (SRO) and La1-xSrxMnO3 (LSMO) were studied using band excitation piezoresponse spectroscopy (BEPS), piezoresponse force microscopy (PFM), and ferromagnetic resonance (FMR). BEPS confirms that the nanoparticles are ferroelectric in nature. Switching behavior of nanoparticle clusters were studied and showed evidence for inhomogeneous switching. The dimensionality of domains within nanoparticles was found to be fractal in nature, with a dimensionality constant of similar to 1.4, on par with ferroelectric BFO thin-films under 100 nm in thickness. Ferromagnetic resonance studies indicate BFO nanoparticles only weakly affect the magnetic response of LSMO. (C) 2011 American Institute of Physics. [doi: 10.1063/1.3671392] C1 [Vasudevan, R. K.; Bogle, K. A.; Nagarajan, V.] Univ New S Wales, Sch Mat Sci & Engn, Sydney, NSW 2052, Australia. [Kumar, A.; Jesse, S.] Oak Ridge Natl Lab, Ctr Nanophase Mat Sci, Oak Ridge, TN 37831 USA. [Magaraggia, R.; Stamps, R.] Univ Western Australia, Sch Phys, Crawley, WA 6009, Australia. [Magaraggia, R.; Stamps, R.] Univ Glasgow, Sch Phys & Astron, SUPA, Glasgow G12 4QQ, Lanark, Scotland. [Ogale, S. B.; Potdar, H. S.] Natl Chem Lab, Pune 411008, Maharashtra, India. RP Nagarajan, V (reprint author), Univ New S Wales, Sch Mat Sci & Engn, Sydney, NSW 2052, Australia. EM nagarajan@unsw.edu.au RI valanoor, nagarajan/B-4159-2012; Kumar, Amit/C-9662-2012; Stamps, Robert/E-7304-2011; Vasudevan, Rama/Q-2530-2015; Jesse, Stephen/D-3975-2016 OI Kumar, Amit/0000-0002-1194-5531; Stamps, Robert/0000-0003-0713-4864; Vasudevan, Rama/0000-0003-4692-8579; Jesse, Stephen/0000-0002-1168-8483 FU Australia-India Strategic Research Fund [ST20078]; ARC [DP1096669]; Oak Ridge National Laboratory by the Basic Energy Sciences, U.S. Department of Energy FX We acknowledge the contributions of S. V. Kalinin for facilities access and valuable advice. We also acknowledge support of Australia-India Strategic Research Fund ST20078. R. K. V. and V.N. acknowledge access to the UNSW node of the Australian Microscopy & Microanalysis Research Facility (AMMRF) and ARC Discovery Project DP1096669. The research at ORNL (A.K. and S.J.) was conducted at the Center for Nanophase Materials Sciences, which is sponsored at Oak Ridge National Laboratory by the Basic Energy Sciences, U.S. Department of Energy. NR 28 TC 9 Z9 9 U1 3 U2 82 PU AMER INST PHYSICS PI MELVILLE PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1, MELVILLE, NY 11747-4501 USA SN 0003-6951 J9 APPL PHYS LETT JI Appl. Phys. Lett. PD DEC 19 PY 2011 VL 99 IS 25 AR 252905 DI 10.1063/1.3671392 PG 4 WC Physics, Applied SC Physics GA 875LO UT WOS:000299031600049 ER PT J AU Guzman, J Jo, GB Wenz, AN Murch, KW Thomas, CK Stamper-Kurn, DM AF Guzman, J. Jo, G. -B. Wenz, A. N. Murch, K. W. Thomas, C. K. Stamper-Kurn, D. M. TI Long-time-scale dynamics of spin textures in a degenerate F=1 Rb-87 spinor Bose gas SO PHYSICAL REVIEW A LA English DT Article ID CONDENSATE AB We investigate the long-term dynamics of spin textures prepared by cooling unmagnetized spinor gases of F = 1 Rb-87 to quantum degeneracy, observing domain coarsening and a strong dependence of the equilibration dynamics on the quadratic Zeeman shift q. For small values of |q|, the textures arrive at a configuration independent of the initial spin-state composition, characterized by large length-scale spin domains and the establishment of easy-axis (negative q) or easy-plane (positive q) magnetic anisotropy. For larger |q|, equilibration is delayed as the spin-state composition of the degenerate spinor gas remains close to its initial value. These observations support the mean-field equilibrium phase diagram predicted for a ferromagnetic spinor Bose-Einstein condensate and also illustrate that equilibration is achieved under a narrow range of experimental settings, making the F = 1 Rb-87 gas more suitable for studies of nonequilibrium quantum dynamics. C1 [Guzman, J.; Jo, G. -B.; Wenz, A. N.; Murch, K. W.; Thomas, C. K.; Stamper-Kurn, D. M.] Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA. [Wenz, A. N.] Heidelberg Univ, Inst Phys, D-69120 Heidelberg, Germany. [Stamper-Kurn, D. M.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Div Mat Sci, Berkeley, CA 94720 USA. RP Guzman, J (reprint author), Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA. RI Jo, Gyu-boong/E-5792-2010; Stamper-Kurn, Dan/B-5442-2015 OI Stamper-Kurn, Dan/0000-0002-4845-5835 FU Department of Energy Office of Science (DOE SCGF); ORISE-ORAU [DE-AC05-06OR23100]; NSF; Army Research Office; Defense Advanced Research Projects Agency FX We thank M. Vengalattore, F. Serwane, and S. R. Leslie for assistance in the initial design and construction of the experimental apparatus. C. K. Thomas acknowledges support from the Department of Energy Office of Science Graduate Fellowship Program (DOE SCGF), made possible in part by the American Recovery and Reinvestment Act of 2009, administered by ORISE-ORAU under Contract No. DE-AC05-06OR23100. This work was supported by the NSF and by a grant from the Army Research Office with funding from the Defense Advanced Research Projects Agency Optical Lattice Emulator program. NR 36 TC 47 Z9 47 U1 0 U2 6 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1050-2947 J9 PHYS REV A JI Phys. Rev. A PD DEC 19 PY 2011 VL 84 IS 6 AR 063625 DI 10.1103/PhysRevA.84.063625 PG 6 WC Optics; Physics, Atomic, Molecular & Chemical SC Optics; Physics GA 866KX UT WOS:000298380700014 ER PT J AU Chen, DL Al-Saidi, WA Johnson, JK AF Chen, De-Li Al-Saidi, W. A. Johnson, J. Karl TI Noble gases on metal surfaces: Insights on adsorption site preference SO PHYSICAL REVIEW B LA English DT Article ID ENERGY-ELECTRON DIFFRACTION; XE-ADSORBATE LAYERS; RARE-GASES; PT(111); ATOMS; XE/PT(111) AB We use a nonlocal van der Waals density functional (vdW-DF) approach to reexamine the problem of why noble gases are experimentally observed to adsorb on low-coordination atop sites rather than on high-coordination hollow sites for several different metal surfaces. Previous calculations using density functional theory (DFT) within the local density approximation (LDA) ascribed the site preference to reduced Pauli repulsion at atop sites, largely due to reduced exchange repulsion within LDA-DFT. In contrast, our vdW-DF calculations show that site preference is not due to differences in the exchange repulsion at all, but rather the result of a delicate balance between the electrostatic and kinetic energies; surprisingly, exchange-correlation energies play a negligible role in determining site preference. In contrast to previous calculations, we find that experimental results cannot be explained in terms of binding energy differences between atop and hollow sites. Instead, we show that the hollow sites are transition states rather than minima on the two-dimensional potential energy surface, and therefore not likely to be observed in experiments. This phenomenon is quite general, holding for close-packed and non-close-packed metal surfaces. We show that inclusion of nonlocal vdW interactions is crucial for obtaining results in quantitative agreement with experiments for adsorption energies, equilibrium distances, and vibrational energies. C1 [Chen, De-Li; Johnson, J. Karl] Natl Energy Technol Lab, Pittsburgh, PA 15236 USA. [Chen, De-Li; Al-Saidi, W. A.; Johnson, J. Karl] Univ Pittsburgh, Dept Chem & Petr Engn, Pittsburgh, PA 15261 USA. RP Chen, DL (reprint author), Natl Energy Technol Lab, Pittsburgh, PA 15236 USA. EM karlj@pitt.edu RI Chen, De-Li/H-6867-2012; Johnson, Karl/E-9733-2013 OI Johnson, Karl/0000-0002-3608-8003 FU National Energy Technology Laboratory [DE-AC26-04NT41817] FX We thank L. W. Bruch, R. D. Diehl, and K. D. Jordan for helpful discussions. This work was performed in support of the National Energy Technology Laboratory's ongoing research in the area of carbon management under the RDS Contract DE-AC26-04NT41817. Calculations were performed at the University of Pittsburgh Center for Simulation and Modeling. NR 32 TC 23 Z9 23 U1 1 U2 19 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1098-0121 J9 PHYS REV B JI Phys. Rev. B PD DEC 19 PY 2011 VL 84 IS 24 AR 241405 DI 10.1103/PhysRevB.84.241405 PG 4 WC Physics, Condensed Matter SC Physics GA 868YB UT WOS:000298561300005 ER PT J AU Gao, Y Zhu, JX Ting, CS Su, WP AF Gao, Yi Zhu, Jian-Xin Ting, C. S. Su, Wu-Pei TI Theory of mixed-state effect on NMR relaxation measurements in iron pnictide superconductors SO PHYSICAL REVIEW B LA English DT Article ID BA0.6K0.4FE2AS2; SYMMETRY; SURFACE AB Based on a phenomenological model with s(+/-) or s-wave pairing symmetry, the spatially resolved nuclear magnetic resonance (NMR) relaxation rate in the iron pnictides is investigated by solving Bogoliubov-de Gennes equations. Taking into account the presence of a magnetic field, our result for the s +/- pairing is in qualitative agreement with recent NMR experiments, while for the s-wave pairing, a coherence peak shows up right below T(c) in apparent contradiction with experimental observations, thus excluding the s-wave pairing. We also propose that the spin-lattice relaxation rate (SLRR) should follow an exponential relation when the temperature is lowered below T/T(c) approximate to 0.1 down to 0.01. It is noted that the SLRR cannot be entirely determined by the local density of states; the mixed-state effect and multiorbital physics must be considered. C1 [Gao, Yi; Ting, C. S.; Su, Wu-Pei] Univ Houston, Dept Phys, Houston, TX 77204 USA. [Gao, Yi; Ting, C. S.; Su, Wu-Pei] Univ Houston, Texas Ctr Superconduct, Houston, TX 77204 USA. [Gao, Yi] Nanjing Normal Univ, Dept Phys, Nanjing 210046, Jiangsu, Peoples R China. [Gao, Yi] Nanjing Normal Univ, Inst Theoret Phys, Nanjing 210046, Jiangsu, Peoples R China. [Zhu, Jian-Xin] Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA. RP Gao, Y (reprint author), Univ Houston, Dept Phys, Houston, TX 77204 USA. OI Zhu, Jianxin/0000-0001-7991-3918 FU Texas Center for Superconductivity; Robert A. Welch Foundation [E-1070, E-1146]; US DOE at LANL [DE-AC52-06NA25396]; LANL Laboratory Directed Research and Development (LDRD) FX We thank A. Li, D. G. Zhang, H. X. Huang, T. Zhou, C. H. Li, J. Li, S. H. Pan, F. L. Ning, V. F. Mitrovic, W. Q. Yu, M. Yashima, and Y. Chen for helpful discussions. This work was supported by the Texas Center for Superconductivity and the Robert A. Welch Foundation under Grants No. E-1070 (Y. G. and W. P. S.) and No. E-1146 (C. S. T.), by US DOE at LANL under Contract No. DE-AC52-06NA25396, and the LANL Laboratory Directed Research and Development (LDRD) Program (J.-X. Z.). NR 25 TC 3 Z9 3 U1 0 U2 4 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1098-0121 J9 PHYS REV B JI Phys. Rev. B PD DEC 19 PY 2011 VL 84 IS 22 AR 224509 DI 10.1103/PhysRevB.84.224509 PG 5 WC Physics, Condensed Matter SC Physics GA 868VJ UT WOS:000298554000007 ER PT J AU Gat-Malureanu, IM Carlo, JP Goko, T Fukaya, A Ito, T Kyriakou, PP Larkin, MI Luke, GM Russo, PL Savici, AT Wiebe, CR Yoshimura, K Uemura, YJ AF Gat-Malureanu, I. M. Carlo, J. P. Goko, T. Fukaya, A. Ito, T. Kyriakou, P. P. Larkin, M. I. Luke, G. M. Russo, P. L. Savici, A. T. Wiebe, C. R. Yoshimura, K. Uemura, Y. J. TI Muon spin relaxation and susceptibility measurements of an itinerant-electronsystem Sr1-xCaxRuO3: Quantum evolution from ferromagnet to paramagnet SO PHYSICAL REVIEW B LA English DT Article ID MAGNETIC-PROPERTIES; TRANSITION-TEMPERATURE; MOTT TRANSITION; CARUO3; SRRUO3; FLUCTUATIONS; MNSI; METALS; PHASE; SR1-XCA(X)RUO3 AB Muon spin relaxation (mu SR) and magnetic susceptibility measurements have been performed in the itinerant-electron magnet Sr1-xCaxRuO3, with x = 0.0, 0.3, 0.5, 0.65, 0.7, 0.75, 0.8, 0.9, and 1.0. SrRuO3 is a ferromagnet with the critical temperature T-c similar to 160 K. Upon (Sr, Ca) substitution, T-c decreases monotonically with increasing Ca concentration x and the ferromagnetic order disappears around x = 0.7. Very weak static magnetism is observed in the x = 0.75 and 0.8 systems, while the x = 0.9 and 1.0 systems remain paramagnetic in their full volume. Phase separation between volumes with and without static magnetism was observed in the x = 0.65, 0.7, 0.75, and 0.8 systems, near the magnetic crossover around x = 0.7. In this concentration region, mu SR measurements revealed discontinuous evolution of magnetic properties in contrast to magnetization measurements, which exhibit seemingly continuous evolution. Unlike the volume-integrated magnetization measurements, mu SR can separate the effects of the ordered moment size and the volume fraction of magnetically ordered regions. The muon spin relaxation rate 1/T-1 exhibits critical slowing down of spin fluctuations near T-c in the ferromagnetic systems with x = 0.0-0.65, consistent with the behavior expected in the self-consistent renormalization theory of itinerant electron ferromagnets. The lack of maximum of 1/T-1 in the x = 0.7 system indicates the disappearance of critical slowing down. These results demonstrate a first-order quantum evolution in the ferromagnet to paramagnet crossover near x = 0.7. C1 [Gat-Malureanu, I. M.] SUNY Maritime Coll, Dept Sci, Throggs Neck, NY 10465 USA. [Gat-Malureanu, I. M.; Carlo, J. P.; Goko, T.; Fukaya, A.; Ito, T.; Larkin, M. I.; Russo, P. L.; Savici, A. T.; Wiebe, C. R.; Uemura, Y. J.] Columbia Univ, Dept Phys, New York, NY 10027 USA. [Goko, T.] TRIUMF, Vancouver, BC V6T 2A3, Canada. [Kyriakou, P. P.; Luke, G. M.; Wiebe, C. R.] McMaster Univ, Dept Phys & Astron, Hamilton, ON L8S 4M1, Canada. [Yoshimura, K.] Kyoto Univ, Dept Chem, Kyoto 6068502, Japan. [Carlo, J. P.] Natl Res Council Canada, Canadian Neutron Beam Ctr, Chalk River Labs, Chalk River, ON K0J 1J0, Canada. [Ito, T.] Natl Inst Adv Ind Sci & Technol, Tsukuba, Ibaraki 3058568, Japan. [Savici, A. T.] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA. [Wiebe, C. R.] Univ Winnipeg, Dept Chem, Winnipeg, MB R3B 2E9, Canada. RP Gat-Malureanu, IM (reprint author), SUNY Maritime Coll, Dept Sci, 6 Pennyfield Ave, Throggs Neck, NY 10465 USA. EM imalureanu@sunymaritime.edu; tomo@lorentz.phys.columbia.edu RI Savici, Andrei/F-2790-2013; Luke, Graeme/A-9094-2010; OI Savici, Andrei/0000-0001-5127-8967; Luke, Graeme/0000-0003-4762-1173 FU US NSF under the Materials World Network (MWN) [DMR-0502706, 0806846]; Partnership for International Research and Education (PIRE) [OISE-0968226]; Canadian NSERC; CIFAR at McMaster; Japan-US Cooperative Science Program [14508500001]; JSPS of Japan at Kyoto FX This work has been supported by the US NSF under the Materials World Network (MWN: DMR-0502706 and 0806846), the Partnership for International Research and Education (PIRE: OISE-0968226), and DMR-1105961 programs at Columbia, by Canadian NSERC and CIFAR at McMaster, and by the Japan-US Cooperative Science Program "Phase separation near quantum critical point in low-dimensional spin systems" Contract No. 14508500001 from JSPS of Japan at Kyoto. We wish to thank helpful discussions with Yoshiteru Maeno and Andrew Millis. NR 57 TC 9 Z9 9 U1 4 U2 32 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 2469-9950 EI 2469-9969 J9 PHYS REV B JI Phys. Rev. B PD DEC 19 PY 2011 VL 84 IS 22 AR 224415 DI 10.1103/PhysRevB.84.224415 PG 12 WC Physics, Condensed Matter SC Physics GA 868VJ UT WOS:000298554000005 ER PT J AU Howard, CA Dean, MPM Withers, F AF Howard, C. A. Dean, M. P. M. Withers, F. TI Phonons in potassium-doped graphene: The effects of electron-phonon interactions, dimensionality, and adatom ordering SO PHYSICAL REVIEW B LA English DT Article ID BORN-OPPENHEIMER APPROXIMATION; RAMAN-SCATTERING; INTERCALATION COMPOUNDS; CHARGE-TRANSFER; GRAPHITE; BREAKDOWN AB Graphene phonons are measured as a function of electron doping via the addition of potassium adatoms. In the low doping regime, the in-plane carbon G peak hardens and narrows with increasing doping, analogous to the trend seen in graphene doped via the field effect. At high dopings, beyond those accessible by the field effect, the G peak strongly softens and broadens. This is interpreted as a dynamic, nonadiabatic renormalization of the phonon self-energy. At dopings between the light and heavily doped regimes, we find a robust inhomogeneous phase where the potassium coverage is segregated into regions of high and low density. The phonon energies, linewidths, and tunability are notably very similar for one- to four-layer potassium-doped graphene, but significantly different to bulk potassium-doped graphite. C1 [Howard, C. A.] UCL, London Ctr Nanotechnol, London WC1E 6BT, England. [Howard, C. A.] Univ London, Dept Phys, Egham TW20 0EX, Surrey, England. [Dean, M. P. M.] Brookhaven Natl Lab, Dept Condensed Matter Phys & Mat Sci, Upton, NY 11973 USA. [Dean, M. P. M.] Univ Cambridge, Cavendish Lab, Cambridge CB3 0HE, England. [Withers, F.] Univ Exeter, Sch Phys, Ctr Graphene Sci, Exeter EX4 4QL, Devon, England. RP Howard, CA (reprint author), UCL, London Ctr Nanotechnol, Mortimer St, London WC1E 6BT, England. EM c.howard@ucl.ac.uk; mdean@bnl.gov RI Dean, Mark/B-4541-2011 OI Dean, Mark/0000-0001-5139-3543 FU EPSRC; US DOE [DEAC02-98CH10886]; Center for Emergent Superconductivity, an Energy Frontier Research Center; US DOE, Office of Basic Energy Sciences FX We thank the EPSRC for funding, Felix Fernandez-Alonso, Andrew Walters, and Mark Ellerby for fruitful discussions, and Steve Firth for technical assistance. The work at Brookhaven is supported by the US DOE under Contract No. DEAC02-98CH10886 and by the Center for Emergent Superconductivity, an Energy Frontier Research Center funded by the US DOE, Office of Basic Energy Sciences. NR 35 TC 26 Z9 26 U1 2 U2 33 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1098-0121 J9 PHYS REV B JI Phys. Rev. B PD DEC 19 PY 2011 VL 84 IS 24 AR 241404 DI 10.1103/PhysRevB.84.241404 PG 4 WC Physics, Condensed Matter SC Physics GA 868YB UT WOS:000298561300004 ER PT J AU Esbensen, H Tang, X Jiang, CL AF Esbensen, H. Tang, X. Jiang, C. L. TI Effects of mutual excitations in the fusion of carbon isotopes SO PHYSICAL REVIEW C LA English DT Article ID HEAVY-ION REACTIONS; ELASTIC-SCATTERING; CROSS-SECTION; C-12 AB Fusion data for C-13+C-13, C-12+C-13, and C-12+C-12 are analyzed by coupled-channels calculations that are based on the M3Y+repulsion, double-folding potential. The fusion is determined by ingoing-wave-boundary conditions (IWBC) that are imposed at the minimum of the pocket in the entrance channel potential. Quadrupole and octupole transitions to low-lying states in projectile and target are included in the calculations, as well as mutual excitations of these states. The effect of one-neutron transfer is also considered but the effect is small in the measured energy regime. It is shown that mutual excitations to high-lying states play a very important role in developing a comprehensive and consistent description of the measurements. Thus, the shapes of the calculated cross sections for C-12+C-13 and C-13+C-13 are in good agreement with the data. The fusion cross sections for C-12+C-12 determined by the IWBC are generally larger than the measured cross sections but they are consistent with the maxima of some of the observed peak cross sections. They are therefore expected to provide an upper limit for the extrapolation into the low-energy regime of interest to astrophysics. C1 [Esbensen, H.; Jiang, C. L.] Argonne Natl Lab, Div Phys, Argonne, IL 60439 USA. [Tang, X.] Univ Notre Dame, Dept Phys, Notre Dame, IN 46556 USA. [Tang, X.] Univ Notre Dame, JINA, Notre Dame, IN 46556 USA. RP Esbensen, H (reprint author), Argonne Natl Lab, Div Phys, Argonne, IL 60439 USA. RI Tang, Xiaodong /F-4891-2016 FU US Department of Energy, Office of Nuclear Physics [DE-AC02-06CH11357]; NSF [PHY-0758100, PHY-0822648]; National Natural Science Foundation of China [11021504]; University of Notre Dame FX The authors are grateful to B. A. Brown for providing the shell-model calculations. This work was supported by the US Department of Energy, Office of Nuclear Physics, Contract No. DE-AC02-06CH11357. One of us (X.T.) is supported by the NSF under Grants No. PHY-0758100 and No. PHY-0822648, and the National Natural Science Foundation of China under Grant No. 11021504, and the University of Notre Dame. NR 36 TC 22 Z9 22 U1 0 U2 2 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 0556-2813 J9 PHYS REV C JI Phys. Rev. C PD DEC 19 PY 2011 VL 84 IS 6 AR 064613 DI 10.1103/PhysRevC.84.064613 PG 14 WC Physics, Nuclear SC Physics GA 866OX UT WOS:000298391700007 ER PT J AU Taylor, MJ Bentley, MA Brown, JR Kent, PE Wadsworth, R Lister, CJ Seweryniak, D Carpenter, MP Janssens, RVF Zhu, S Lauritsen, T Andersson, LL Johansson, EK Garrett, PE Green, KL Demand, GA Lenzi, SM AF Taylor, M. J. Bentley, M. A. Brown, J. R. Kent, P. E. Wadsworth, R. Lister, C. J. Seweryniak, D. Carpenter, M. P. Janssens, R. V. F. Zhu, S. Lauritsen, T. Andersson, L-L Johansson, E. K. Garrett, P. E. Green, K. L. Demand, G. A. Lenzi, S. M. TI Isospin symmetry in the odd-odd mirror nuclei V-44/Sc-44 SO PHYSICAL REVIEW C LA English DT Article ID HIGH-SPIN STATES; SHELL-MODEL; CR-49; SPECTROSCOPY; ENERGIES; MN-49; MN-50; A=51 AB Excited states in the N = Z - 2 nucleus V-44 have been observed for the first time. The states have been identified through particle-gamma-gamma coincidence relationships and comparison with analog states in themirror nucleus Sc-44. Mirror energy differences have been extracted and compared to state-of-the-art shell-model calculations which include charge-symmetry-breaking forces. Observed decay pattern asymmetries between the mirror pair are discussed in terms of core excitations, electromagnetic spin-orbit effects and isospin mixing. C1 [Taylor, M. J.; Bentley, M. A.; Brown, J. R.; Kent, P. E.; Wadsworth, R.] Univ York, Dept Phys, York YO10 5DD, N Yorkshire, England. [Lister, C. J.; Seweryniak, D.; Carpenter, M. P.; Janssens, R. V. F.; Zhu, S.; Lauritsen, T.] Argonne Natl Lab, Div Phys, Chicago, IL 60439 USA. [Andersson, L-L; Johansson, E. K.] Lund Univ, Dept Phys, S-22100 Lund, Sweden. [Garrett, P. E.; Green, K. L.; Demand, G. A.] Univ Guelph, Dept Phys, Guelph, ON N1G 2W1, Canada. [Lenzi, S. M.] Univ Padua, Dipartimento Fis, I-35131 Padua, Italy. [Lenzi, S. M.] Ist Nazl Fis Nucl, Sez Padova, I-35131 Padua, Italy. RP Taylor, MJ (reprint author), Univ Manchester, Dept Phys & Astron, Manchester M13 9PL, Lancs, England. EM m.j.taylor@manchester.ac.uk RI Lenzi, Silvia/I-6750-2012; Carpenter, Michael/E-4287-2015; Taylor, Michael/N-1725-2015 OI Carpenter, Michael/0000-0002-3237-5734; Taylor, Michael/0000-0002-8718-3684 FU US Department of Energy, Office of Nuclear Physics [DE-AC02-06CH11357] FX The authors wish to thank the accelerator staff at the ATLAS facility. This work is supported by the US Department of Energy, Office of Nuclear Physics, under Contract No. DE-AC02-06CH11357. NR 36 TC 3 Z9 3 U1 0 U2 0 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 2469-9985 EI 2469-9993 J9 PHYS REV C JI Phys. Rev. C PD DEC 19 PY 2011 VL 84 IS 6 AR 064319 DI 10.1103/PhysRevC.84.064319 PG 7 WC Physics, Nuclear SC Physics GA 866OX UT WOS:000298391700003 ER PT J AU Titarenko, YE Batyaev, VF Butko, MA Dikarev, DV Florya, SN Pavlov, KV Titarenko, AY Tikhonov, RS Zhivun, VM Ignatyuk, AV Mashnik, SG Boudard, A Leray, S David, JC Cugnon, J Mancusi, D Yariv, Y Kumawat, H Nishihara, K Matsuda, N Mank, G Gudowski, W AF Titarenko, Yu. E. Batyaev, V. F. Butko, M. A. Dikarev, D. V. Florya, S. N. Pavlov, K. V. Titarenko, A. Yu. Tikhonov, R. S. Zhivun, V. M. Ignatyuk, A. V. Mashnik, S. G. Boudard, A. Leray, S. David, J-C Cugnon, J. Mancusi, D. Yariv, Y. Kumawat, H. Nishihara, K. Matsuda, N. Mank, G. Gudowski, W. TI Verification of high-energy transport codes on the basis of activation data SO PHYSICAL REVIEW C LA English DT Article ID PROTON-INDUCED REACTIONS; CROSS-SECTIONS; 2.6-GEV PROTONS; NUCLIDE PRODUCTION; SPALLATION RESIDUES; THIN BI-209; W-NAT; SIMULATION; TARGETS; MODEL AB Nuclide production cross sections measured at the Institute for Theoretical and Experimental Physics (ITEP) for the targets of Cr-nat, Fe-56, Ni-nat, Nb-93, Ta-181, W-nat, Pb-nat, and Bi-209 irradiated by protons with energies from 40 to 2600 MeV were used to estimate the predictive accuracy of several popular high-energy transport codes. A general agreement of the ITEP data with the data obtained by other groups, including the numerous GSI data measured by the inverse kinematics method was found. Simulations of the measured data were performed with the MCNPX (BERTINI and ISABEL options), CEM03.02, INCL4.2 + ABLA, INCL4.5 + ABLA07, PHITS, and CASCADE.07 codes. Deviation factors between the calculated and experimental cross sections have been estimated for each target and for the whole energy range covered by our measurements. Two-dimensional diagrams of deviation factor values were produced for estimating the predictive power of every code for intermediate, not measured masses of nuclei targets and bombarding energies of protons. Further improvements of all tested here codes are recommended. In addition, new measurements at ITEP of nuclide yields from the Pb-208 target irradiated by 500-MeV protons are presented. A good agreement between these new data and the GSI measurements obtained by the inverse kinematics method was found. C1 [Titarenko, Yu. E.; Batyaev, V. F.; Butko, M. A.; Dikarev, D. V.; Florya, S. N.; Pavlov, K. V.; Titarenko, A. Yu.; Tikhonov, R. S.; Zhivun, V. M.] Inst Theoret & Expt Phys, Moscow 117218, Russia. [Ignatyuk, A. V.] Inst Phys & Power Engn, Obninsk 249033, Russia. [Mashnik, S. G.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA. [Boudard, A.; Leray, S.; David, J-C] CEA, FR-91191 Gif Sur Yvette, France. [Cugnon, J.; Mancusi, D.] Univ Liege, BE-4000 Liege, Belgium. [Yariv, Y.] Soreq Nucl Res Ctr, IL-81800 Yavne, Israel. [Kumawat, H.] Bhabha Atom Res Ctr, Bombay 400085, Maharashtra, India. [Nishihara, K.; Matsuda, N.] Japan Atom Energy Agcy, Ibaraki 3191195, Japan. [Mank, G.] IAEA, AT-1400 Vienna, Austria. [Gudowski, W.] Royal Inst Technol, SE-10691 Stockholm, Sweden. RP Titarenko, YE (reprint author), Inst Theoret & Expt Phys, Moscow 117218, Russia. RI Leray, Sylvie/A-3924-2012; OI Leray, Sylvie/0000-0002-1942-2911; Mancusi, Davide/0000-0002-2518-8228 FU ITEP; Rosatom authorities; National Nuclear Security Administration of the US Department of Energy at Los Alamos National Laboratory [DE-AC52-06NA25396] FX The authors are indebted to Professor Rolf Michel (ZSR, Hanover) for his recommendations on monitor reactions and many helpful general remarks and to Professor Cornelis H. M. Broeders (KFK, Karlsruhe) for informative discussions on results of our ISTC Projects. We gratefully acknowledge Dr. Konstantin K. Gudima (Institute of Applied Physics, Academy of Science of Moldova, Kishinev, Moldova) and Dr. Arnold J. Sierk (Los Alamos National Laboratory (LANL), USA), both coauthors of the CEM03.03 and CEM03.02 codes, for useful discussions and for performing calculations for the recent benchmark of spallation models [3-5] with the CEM03.03 and CEM03.02 codes, respectively. The present work has been carried out under the ISTC Projects 2002 and 3266 and was supported permanently by the ITEP and Rosatom authorities. Part of the work performed at LANL was carried out under the auspices of the National Nuclear Security Administration of the US Department of Energy at Los Alamos National Laboratory under Contract No. DE-AC52-06NA25396. NR 70 TC 9 Z9 9 U1 0 U2 5 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 2469-9985 EI 2469-9993 J9 PHYS REV C JI Phys. Rev. C PD DEC 19 PY 2011 VL 84 IS 6 AR 064612 DI 10.1103/PhysRevC.84.064612 PG 19 WC Physics, Nuclear SC Physics GA 866OX UT WOS:000298391700006 ER PT J AU Boeglin, WU Coman, L Ambrozewicz, P Aniol, K Arrington, J Batigne, G Bosted, P Camsonne, A Chang, G Chen, JP Choi, S Deur, A Epstein, M Finn, JM Frullani, S Furget, C Garibaldi, F Gayou, O Gilman, R Hansen, O Hayes, D Higinbotham, DW Hinton, W Hyde, C Ibrahim, H de Jager, CW Jiang, X Jones, MK Kaufman, LJ Klein, A Kox, S Kramer, L Kumbartzki, G Laget, JM LeRose, J Lindgren, R Margaziotis, DJ Markowitz, P McCormick, K Meziani, Z Michaels, R Milbrath, B Mitchell, J Monaghan, P Moteabbed, M Moussiegt, P Nasseripour, R Paschke, K Perdrisat, C Piasetzky, E Punjabi, V Qattan, IA Quemener, G Ransome, RD Raue, B Real, JS Reinhold, J Reitz, B Roche, R Roedelbronn, M Saha, A Slifer, K Solvignon, P Sulkosky, V Ulmer, PE Voutier, E Weinstein, LB Wojtsekhowski, B Zeier, M AF Boeglin, W. U. Coman, L. Ambrozewicz, P. Aniol, K. Arrington, J. Batigne, G. Bosted, P. Camsonne, A. Chang, G. Chen, J. P. Choi, S. Deur, A. Epstein, M. Finn, J. M. Frullani, S. Furget, C. Garibaldi, F. Gayou, O. Gilman, R. Hansen, O. Hayes, D. Higinbotham, D. W. Hinton, W. Hyde, C. Ibrahim, H. de Jager, C. W. Jiang, X. Jones, M. K. Kaufman, L. J. Klein, A. Kox, S. Kramer, L. Kumbartzki, G. Laget, J. M. LeRose, J. Lindgren, R. Margaziotis, D. J. Markowitz, P. McCormick, K. Meziani, Z. Michaels, R. Milbrath, B. Mitchell, J. Monaghan, P. Moteabbed, M. Moussiegt, P. Nasseripour, R. Paschke, K. Perdrisat, C. Piasetzky, E. Punjabi, V. Qattan, I. A. Quemener, G. Ransome, R. D. Raue, B. Real, J. S. Reinhold, J. Reitz, B. Roche, R. Roedelbronn, M. Saha, A. Slifer, K. Solvignon, P. Sulkosky, V. Ulmer, P. E. Voutier, E. Weinstein, L. B. Wojtsekhowski, B. Zeier, M. CA Hall A Collaboration TI Probing the High Momentum Component of the Deuteron at High Q(2) SO PHYSICAL REVIEW LETTERS LA English DT Article ID ELECTRON-NUCLEUS SCATTERING; COLOR TRANSPARENCY; D(E,E'P)N REACTION; CROSS-SECTIONS; RECOIL MOMENTA AB The H-2(e, e(1)p)n cross section at a momentum transfer of 3.5 (GeV/c)(2) was measured over a kinematical range that made it possible to study this reaction for a set of fixed missing momenta as a function of the neutron recoil angle theta(nq) and to extract missing momentum distributions for fixed values of theta(nq) up to 0: 55 GeV/c. In the region of 35 degrees <= theta(nq) <= 45 degrees recent calculations, which predict that final-state interactions are small, agree reasonably well with the experimental data. Therefore, these experimental reduced cross sections provide direct access to the high momentum component of the deuteron momentum distribution in exclusive deuteron electrodisintegration. C1 [Boeglin, W. U.; Coman, L.; Ambrozewicz, P.; Kramer, L.; Markowitz, P.; Moteabbed, M.; Nasseripour, R.; Raue, B.; Reinhold, J.] Florida Int Univ, University Pk, FL 33199 USA. [Aniol, K.; Epstein, M.; Margaziotis, D. J.] Calif State Univ Los Angeles, Los Angeles, CA 90032 USA. [Arrington, J.; Qattan, I. A.; Solvignon, P.] Argonne Natl Lab, Argonne, IL 60439 USA. [Batigne, G.; Furget, C.; Kox, S.; Moussiegt, P.; Quemener, G.; Real, J. S.; Voutier, E.] Univ Grenoble 1, CNRS, IN2P3, INPG,LPSC, Grenoble, France. [Bosted, P.; Camsonne, A.; Chen, J. P.; Deur, A.; Gayou, O.; Gilman, R.; Hansen, O.; Higinbotham, D. W.; de Jager, C. W.; Jones, M. K.; Laget, J. M.; LeRose, J.; Michaels, R.; Milbrath, B.; Mitchell, J.; Reitz, B.; Saha, A.; Sulkosky, V.; Wojtsekhowski, B.] Thomas Jefferson Natl Accelerator Facil, Newport News, VA 23606 USA. [Chang, G.] Univ Maryland, College Pk, MD 20742 USA. [Choi, S.; Meziani, Z.] Temple Univ, Philadelphia, PA 19122 USA. [Finn, J. M.; Perdrisat, C.] Coll William & Mary, Williamsburg, VA 23187 USA. [Frullani, S.; Garibaldi, F.] Ist Nazl Fis Nucl, Sez Sanita, I-00161 Rome, Italy. [Frullani, S.; Garibaldi, F.] Ist Super Sanita, Fis Lab, I-00161 Rome, Italy. [Gayou, O.; Gilman, R.; Jiang, X.; Kumbartzki, G.; Ransome, R. D.] Rutgers State Univ, Piscataway, NJ 08854 USA. [Hayes, D.; Hinton, W.; Hyde, C.; Ibrahim, H.; Ulmer, P. E.; Weinstein, L. B.] Old Dominion Univ, Norfolk, VA 23529 USA. [Ibrahim, H.] Cairo Univ, Fac Sci, Dept Phys, Giza 12613, Egypt. [Kaufman, L. J.] Univ Massachusetts, Amherst, MA 01003 USA. [Klein, A.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA. [Lindgren, R.; Paschke, K.; Zeier, M.] Univ Virginia, Charlottesville, VA 22901 USA. [McCormick, K.] Kent State Univ, Kent, OH 44242 USA. [Monaghan, P.] Hampton Univ, Hampton, VA 23668 USA. [Piasetzky, E.] Tel Aviv Univ, IL-69978 Tel Aviv, Israel. [Punjabi, V.] Norfolk State Univ, Norfolk, VA 23504 USA. [Qattan, I. A.] Khalifa Univ Sci Technol & Res, Dept Phys, Sharjah, U Arab Emirates. [Roche, R.] Ohio Univ, Athens, OH 45701 USA. [Roedelbronn, M.] Univ Illinois, Urbana, IL 61820 USA. [Slifer, K.] Univ New Hampshire, Durham, NH 03824 USA. RP Boeglin, WU (reprint author), Florida Int Univ, University Pk, FL 33199 USA. RI Arrington, John/D-1116-2012; Higinbotham, Douglas/J-9394-2014; OI Arrington, John/0000-0002-0702-1328; Higinbotham, Douglas/0000-0003-2758-6526; Quemener, Gilles/0000-0001-6703-6655; Hyde, Charles/0000-0001-7282-8120; klein, andreas/0000-0003-2358-2691; Qattan, Issam/0000-0001-5079-9840 FU Department of Energy [DE-FG02-99ER41065, DE-AC02-06CH11357]; Italian Istituto Nazionale di Fisica Nucleare; French Centre National de la Recherche Scientifique; National Science Foundation; U.S. Department of Energy [DE-AC05-84ER40150] FX We acknowledge the outstanding efforts of the staff of the Accelerator and Physics Divisions at Jefferson Lab who made this experiment possible. This work was supported in part by the Department of Energy under Contracts No. DE-FG02-99ER41065 and No. DE-AC02-06CH11357, the Italian Istituto Nazionale di Fisica Nucleare, the French Centre National de la Recherche Scientifique, and the National Science Foundation. Jefferson Science Associates (JSA) operates the Thomas Jefferson National Accelerator Facility for the U.S. Department of Energy under Contract No. DE-AC05-84ER40150. NR 32 TC 15 Z9 15 U1 0 U2 3 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 0031-9007 J9 PHYS REV LETT JI Phys. Rev. Lett. PD DEC 19 PY 2011 VL 107 IS 26 AR 262501 DI 10.1103/PhysRevLett.107.262501 PG 6 WC Physics, Multidisciplinary SC Physics GA 869OH UT WOS:000298607100004 PM 22243152 ER PT J AU Bradbury, FR Takita, M Gurrieri, TM Wilkel, KJ Eng, K Carroll, MS Lyon, SA AF Bradbury, F. R. Takita, Maika Gurrieri, T. M. Wilkel, K. J. Eng, Kevin Carroll, M. S. Lyon, S. A. TI Efficient Clocked Electron Transfer on Superfluid Helium SO PHYSICAL REVIEW LETTERS LA English DT Article ID LIQUID-HELIUM; QUANTUM COMPUTER; SURFACE; STATE; LOGIC; DOTS; GATE AB Unprecedented transport efficiency is demonstrated for electrons on the surface of micron-scale superfluid helium-filled channels by co-opting silicon processing technology to construct the equivalent of a charge-coupled device. Strong fringing fields lead to undetectably rare transfer failures after over a billion cycles in two dimensions. This extremely efficient transport is measured in 120 channels simultaneously with packets of up to 20 electrons, and down to singly occupied pixels. These results point the way towards the large scale transport of either computational qubits or electron spin qubits used for communications in a hybrid qubit system. C1 [Bradbury, F. R.; Takita, Maika; Lyon, S. A.] Princeton Univ, Dept Elect Engn, Princeton, NJ 08544 USA. [Gurrieri, T. M.; Wilkel, K. J.; Eng, Kevin; Carroll, M. S.] Sandia Natl Labs, Ctr Integrated Nanotechnol, Albuquerque, NM 87185 USA. RP Bradbury, FR (reprint author), Princeton Univ, Dept Elect Engn, Princeton, NJ 08544 USA. FU NSF [CCF-0726490]; United States Department of Energy [DE-AC04-94AL85000] FX We would like to thank S. Shankar, G. Sabouret, and D. I. Schuster for helpful discussions and J. Donnal for the electronics to apply clock voltages to the CCD. Work at Princeton was supported by the NSF under Grant No. CCF-0726490. Additionally, this work was performed, in part, at the Center for Integrated Nanotechnologies, a U. S. Department of Energy, Office of Basic Energy Sciences user facility. Sandia is a multiprogram laboratory operated by Sandia Corporation, a Lockheed Martin Co., for the United States Department of Energy under Contract No. DE-AC04-94AL85000. NR 32 TC 9 Z9 9 U1 3 U2 16 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 0031-9007 J9 PHYS REV LETT JI Phys. Rev. Lett. PD DEC 19 PY 2011 VL 107 IS 26 AR 266803 DI 10.1103/PhysRevLett.107.266803 PG 5 WC Physics, Multidisciplinary SC Physics GA 869OH UT WOS:000298607100007 PM 22243176 ER PT J AU Wang, H Wang, F Jones, K Miller, GJ AF Wang, Hui Wang, Fei Jones, Karah Miller, Gordon J. TI Chemical Pressure and Rare-Earth Orbital Contributions in Mixed Rare-Earth Silicides La5-xYxSi4 (0 <= x <= 5) SO INORGANIC CHEMISTRY LA English DT Article ID INITIO MOLECULAR-DYNAMICS; TOTAL-ENERGY CALCULATIONS; WAVE BASIS-SET; CRYSTAL-STRUCTURE; MAGNETIC-FIELD; ELECTRICAL-RESISTANCE; PHASE-RELATIONSHIPS; SILICON COMPOUNDS; TRANSITION; SYSTEM AB A crystallographic study and theoretical analysis of the structural and La/Y site preferences in the La5-xYxSi4 (0 <= x <= 5) series prepared by high-temperature methods is presented. At room temperature, La-rich La5-xYxSi4 phases with x <= 3.0 exhibit the tetragonal Zr5Si4-type structure (space group P4(1)2(1)2, Z = 4, Pearson symbol tP36), which contains only Si-Si dimers. On the other hand, Y-rich phases with x = 4.0 and 4.5 adopt the orthorhombic Gd5Si4-type structure (space group Pnma, Z = 4, Pearson symbol oP36), also with Si Si dimers, whereas Y5Si4 forms the monoclinic Gd5Si2Ge2 structure (space group P2(1)/c, Z = 4, Pearson symbol mP36), which exhibits 50% "broken" Si-Si dimers. Local and long-range structural relationships among the tetragonal, orthorhombic, and monoclinic structures are discussed. Refinements from single crystal X-ray diffraction studies of the three independent sites for La or Y atoms in the asymmetric unit reveal partial mixing of these elements, with clearly different preferences for these two elements. First-principles electronic structure calculations, used to investigate the La/Y site preferences and structural trends in the La5-xYxSi4 series, indicate that long- and short-range structural features are controlled largely by atomic sizes. La 5d and Y 4d orbitals, however, generate distinct, yet subtle effects on the electronic density of states curves, and influence characteristics of Si Si bonding in these phases. C1 [Miller, Gordon J.] Iowa State Univ, Dept Chem, Ames, IA 50011 USA. Iowa State Univ, Ames Lab, US DOE, Ames, IA 50011 USA. RP Miller, GJ (reprint author), Iowa State Univ, Dept Chem, Ames, IA 50011 USA. EM gmiller@iastate.edu RI Wang, Fei/I-2071-2012 FU U.S. Department of Energy, Office of Basic Energy Science, Division of Materials Sciences and Engineering; Iowa State University [DE-AC02-07CH11358] FX This work was supported by the U.S. Department of Energy, Office of Basic Energy Science, Division of Materials Sciences and Engineering. The research was performed at the Ames Laboratory. Ames Laboratory is operated for the U.S. Department of Energy by Iowa State University under Contract No. DE-AC02-07CH11358. NR 56 TC 6 Z9 6 U1 0 U2 10 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0020-1669 EI 1520-510X J9 INORG CHEM JI Inorg. Chem. PD DEC 19 PY 2011 VL 50 IS 24 BP 12714 EP 12723 DI 10.1021/ic201840q PG 10 WC Chemistry, Inorganic & Nuclear SC Chemistry GA 858FV UT WOS:000297782200051 PM 22107481 ER PT J AU Thomas, KE Alemayehu, AB Conradie, J Beavers, C Ghosh, A AF Thomas, Kolle E. Alemayehu, Abraham B. Conradie, Jeanet Beavers, Christine Ghosh, Abhik TI Synthesis and Molecular Structure of Gold Triarylcorroles SO INORGANIC CHEMISTRY LA English DT Article ID TRANSITION-METAL CENTERS; PI-CATION RADICALS; NONPLANAR PORPHYRINS; COPPER CORROLES; ELECTRONIC ABSORPTION; NONINNOCENT LIGANDS; COMPLEXES; OXIDATION; NICKEL; STATE AB A number of third-row transition-metal corroles have remained elusive as synthetic targets until now, notably osmium, platinum, and gold corroles. Against this backdrop, we present a simple and general synthesis of beta-unsubstituted gold(III) triarylcorroles and the first X-ray crystal structure of such a complex. Comparison with analogous copper and silver corrole structures, supplemented by extensive scalar-relativistic, dispersion-corrected density functional theory calculations, suggests that "inherent saddling" may occur for of all coinage metal corroles. The degree of saddling, however, varies considerably among the three metals, decreasing conspicuously along the series Cu > Ag > Au. The structural differences reflect significant differences in metal corrole bonding, which are also reflected in the electrochemistry and electronic absorption spectra of the complexes. From Cu to Au, the electronic structure changes from noninnocent metal(II) corrole(center dot 2-) to relatively innocent metal(III) corrole(3-). C1 [Thomas, Kolle E.; Alemayehu, Abraham B.; Conradie, Jeanet; Ghosh, Abhik] Univ Tromso, Dept Chem, N-9037 Tromso, Norway. [Conradie, Jeanet] Univ Free State, Dept Chem, ZA-9300 Bloemfontein, South Africa. [Beavers, Christine] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Adv Light Source, Berkeley, CA 94720 USA. RP Ghosh, A (reprint author), Univ Tromso, Dept Chem, N-9037 Tromso, Norway. EM abhik.ghosh@uit.no RI Ghosh, Abhik/G-8164-2016; OI Ghosh, Abhik/0000-0003-1161-6364; Alemayehu, Abraham/0000-0003-0166-8937 FU Research Council of Norway; Office of Science, Office of Basic Energy Sciences, of the U.S. Department of Energy [DE-AC02-05CH11231] FX This work was supported by the Research Council of Norway. The Advanced Light Source is supported by the Director, Office of Science, Office of Basic Energy Sciences, of the U.S. Department of Energy under Contract No. DE-AC02-05CH11231. J.C. acknowledges the National Research Fund of the Republic of South Africa. NR 49 TC 40 Z9 40 U1 0 U2 22 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0020-1669 EI 1520-510X J9 INORG CHEM JI Inorg. Chem. PD DEC 19 PY 2011 VL 50 IS 24 BP 12844 EP 12851 DI 10.1021/ic202023r PG 8 WC Chemistry, Inorganic & Nuclear SC Chemistry GA 858FV UT WOS:000297782200064 PM 22111600 ER PT J AU Feldman, DR Algieri, CA Collins, WD Roberts, YL Pilewskie, PA AF Feldman, Daniel R. Algieri, Chris A. Collins, William D. Roberts, Yolanda L. Pilewskie, Peter A. TI Simulation studies for the detection of changes in broadband albedo and shortwave nadir reflectance spectra under a climate change scenario SO JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES LA English DT Article ID MODEL VERSION-3 CCSM3; ENERGY SYSTEM CERES; GENERAL-CIRCULATION; RADIATION BUDGET; EARTH; SATELLITE; RESOLUTION; MISSION; CLOUDS; TRENDS AB Climate forcing by greenhouse gases and aerosols and climate feedbacks from snow, sea-ice, and clouds all significantly impact the future evolution of the climate system's shortwave energy budget. We examine prospects for tracking changes in these forcings and feedbacks using top-of-atmosphere measurements of shortwave reflected radiation. We quantify the extent to which spectral measurements may reduce the time required to detect changes in the climate the climate system with high statistical confidence relative to conventional broadband measurements. We have developed an Observing System Simulation Experiment (OSSE) based on the Community Climate System Model 3.0 for the NASA CLARREO mission and have analyzed forced and unforced simulations of the 21st Century from the Intergovernmental Panel on Climate Change assessments. We find that changes in the simulated nadir spectral reflectance measurements in the visible window and between near-infrared water-vapor overtone channels under clear-sky conditions are detectible faster than the corresponding changes in broadband albedo, with many trends detectible within a five-year satellite mission lifetime. Under all-sky conditions, the superposition of unforced cloud variability on the secular climate trends lengthens the times required for climate-change detection in both the spectral and broadband data. However, migration of the ITCZ and stratus regions can be detected after 16-18 years of observation while broadband albedo measurements require 33-61 years of observation. We find that measurement uncertainty and instrument drift significantly lengthen detection times for broadband albedo and spectral reflectances in window channels but do not have the same effect for spectral measurements in water vapor bands. C1 [Feldman, Daniel R.; Collins, William D.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Div Earth Sci, Berkeley, CA 94720 USA. [Algieri, Chris A.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Climate Sci Dept, Berkeley, CA 94720 USA. [Collins, William D.] Univ Calif Berkeley, Dept Earth & Planetary Sci, Berkeley, CA 94720 USA. [Roberts, Yolanda L.; Pilewskie, Peter A.] Univ Colorado, Dept Atmospher & Ocean Sci, Boulder, CO 80303 USA. [Roberts, Yolanda L.; Pilewskie, Peter A.] Univ Colorado, Atmospher & Space Phys Lab, Boulder, CO 80309 USA. RP Feldman, DR (reprint author), Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Div Earth Sci, 1 Cyclotron Rd,MS 50A4037, Berkeley, CA 94720 USA. EM drfeldman@lbl.gov RI Feldman, Daniel/N-8703-2013; Collins, William/J-3147-2014; Richards, Amber/K-8203-2015 OI Feldman, Daniel/0000-0003-3365-5233; Collins, William/0000-0002-4463-9848; FU NASA [NNX08AT80G, NAS2-03144, NNX10AK27G, NNX11AE65G, SMD-08-0999, SMD-09-1397, SMD-10-1799]; U.S. Department of Energy [DE-AC02-05CH11231] FX Funding for this research was supported by the following NASA grants: NNX08AT80G, NAS2-03144, NNX10AK27G, and NNX11AE65G. This work was also supported by Contractor Supporting Research (CSR) funding from Berkeley Lab, provided by the Director, Office of Science, of the U.S. Department of Energy under contract DE-AC02-05CH11231. Additionally, NASA High-End Computing grants SMD-08-0999, SMD-09-1397, and SMD-10-1799 allotted computational resources to produce the simulations. The following individuals also provided considerable assistance with this research: Stephen Leroy and Yi Huang of Harvard University, David Young, Bruce Wielicki, Zhonghai Jin, and Rosemary Baize of the NASA Langley Research Center, Chris Paciorek, Jonathan Ong, and Michael Dreibelbis of the University of California-Berkeley, Chris Little and Tsengdar Lee of the NASA Science Mission Directorate, and the entire NASA High-End Computing technical support team of NASA User Services. NR 48 TC 8 Z9 8 U1 0 U2 29 PU AMER GEOPHYSICAL UNION PI WASHINGTON PA 2000 FLORIDA AVE NW, WASHINGTON, DC 20009 USA SN 2169-897X J9 J GEOPHYS RES-ATMOS JI J. Geophys. Res.-Atmos. PD DEC 17 PY 2011 VL 116 AR D24103 DI 10.1029/2011JD016407 PG 18 WC Meteorology & Atmospheric Sciences SC Meteorology & Atmospheric Sciences GA 864QU UT WOS:000298255700006 ER PT J AU Vasco, DW AF Vasco, D. W. TI On the propagation of a quasi-static disturbance in a heterogeneous, deformable, and porous medium with pressure-dependent properties SO WATER RESOURCES RESEARCH LA English DT Article ID HAMILTON-JACOBI EQUATIONS; FINITE-DIFFERENCE CALCULATION; ANISOTROPIC MEDIA; ASYMPTOTIC APPROACH; VISCOSITY SOLUTIONS; FREQUENCY RANGE; FLUID PRESSURE; ELASTIC WAVES; TRAVEL-TIMES; FLOW AB Using an asymptotic technique, valid when the medium properties are smoothly varying, I derive a semianalytic expression for the propagation velocity of a quasi-static disturbance traveling within a nonlinear-elastic porous medium. The phase, a function related to the propagation time, depends upon the properties of the medium, including the pressure sensitivities of the medium parameters, and on pressure and displacement amplitude changes. Thus, the propagation velocity of a disturbance depends upon its amplitude, as might be expected for a nonlinear process. As a check, the expression for the phase function is evaluated for a poroelastic medium when the material properties do not depend upon the fluid pressure. In that case, the travel time estimates agree with conventional analytic estimates and with values calculated using a numerical simulator. For a medium with pressure-dependent permeability I find general agreement between the semianalytic estimates and estimates from a numerical simulation. In this case the pressure amplitude changes are obtained from the numerical simulator. C1 Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Div Earth Sci, Berkeley, CA 94720 USA. RP Vasco, DW (reprint author), Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Div Earth Sci, Bldg 64,1 Cyclotron Rd, Berkeley, CA 94720 USA. EM dwvasco@lbl.gov RI Vasco, Donald/I-3167-2016; Vasco, Donald/G-3696-2015 OI Vasco, Donald/0000-0003-1210-8628; Vasco, Donald/0000-0003-1210-8628 FU Office of Basic Energy Sciences, U.S. Department of Energy [DE-AC02-05CH11231] FX This work was supported by the Assistant Secretary, Office of Basic Energy Sciences, U.S. Department of Energy under contract DE-AC02-05CH11231. NR 93 TC 1 Z9 1 U1 0 U2 6 PU AMER GEOPHYSICAL UNION PI WASHINGTON PA 2000 FLORIDA AVE NW, WASHINGTON, DC 20009 USA SN 0043-1397 J9 WATER RESOUR RES JI Water Resour. Res. PD DEC 17 PY 2011 VL 47 AR W12523 DI 10.1029/2011WR011373 PG 20 WC Environmental Sciences; Limnology; Water Resources SC Environmental Sciences & Ecology; Marine & Freshwater Biology; Water Resources GA 864RB UT WOS:000298256400004 ER PT J AU Crochet, JJ Hoseinkhani, S Luer, L Hertel, T Doorn, SK Lanzani, G AF Crochet, Jared J. Hoseinkhani, Sajjad Lueer, Larry Hertel, Tobias Doorn, Stephen K. Lanzani, Guglielmo TI Free-Carrier Generation in Aggregates of Single-Wall Carbon Nanotubes by Photoexcitation in the Ultraviolet Regime SO PHYSICAL REVIEW LETTERS LA English DT Article ID EXCITONS AB We present evidence for the generation of free carriers in aggregated single-wall carbon nanotubes by photoexcitation in the energetic range of the pi ->pi* transition associated with the M saddle point of the graphene lattice. The underlying broad absorption culminating at 4.3 eV can be fit well with a Fano line shape that describes strong coupling of a saddle-point exciton to an underlying free electron-hole pair continuum. Moreover, it is demonstrated that transitions in this energetic region autoionize into the continuum by detecting features unique to the presence of free charges in the transient transmission spectra of the continuum-embedded second sub-band exciton, S(2). C1 [Crochet, Jared J.; Doorn, Stephen K.] Los Alamos Natl Lab, Ctr Integrated Nanotechnol, Los Alamos, NM 87545 USA. [Hoseinkhani, Sajjad] Politecn Milan, CNR INFM ULTRAS, I-20133 Milan, Italy. [Lueer, Larry] IMDEA Nanociencia, Madrid Inst Adv Studies, Madrid 28049, Spain. [Hertel, Tobias] Univ Wurzburg, Dept Chem & Pharm, Inst Phys & Theoret Chem, D-97074 Wurzburg, Germany. [Lanzani, Guglielmo] Politecn Milan, Dept Phys, I-20133 Milan, Italy. [Lanzani, Guglielmo] Politecn Milan, Ctr Nanosci & Technol IIT POLIMI, I-20133 Milan, Italy. RP Crochet, JJ (reprint author), Los Alamos Natl Lab, Ctr Integrated Nanotechnol, POB 1663, Los Alamos, NM 87545 USA. EM jcrochet@lanl.gov RI Hertel, Tobias/J-4243-2012; Hertel, Tobias/D-5805-2013; Luer, Larry/L-9375-2014; OI Crochet, Jared/0000-0002-9570-2173 FU European Commission [MRTN-CT-2006-035859]; Center for Integrated Nanotechnologies, a U.S. Department of Energy, Office of Basic Energy Sciences FX L. L. acknowledges support by the Spanish Ministry of Science and Innovation (Ramon y Cajal). This work was financially supported by the European Commission through the Human Potential Programme (Marie-Curie RTN BIMORE, Grant No. MRTN-CT-2006-035859) and performed, in part, at the Center for Integrated Nanotechnologies, a U.S. Department of Energy, Office of Basic Energy Sciences user facility. NR 28 TC 18 Z9 18 U1 2 U2 29 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 0031-9007 J9 PHYS REV LETT JI Phys. Rev. Lett. PD DEC 16 PY 2011 VL 107 IS 25 AR 257402 DI 10.1103/PhysRevLett.107.257402 PG 5 WC Physics, Multidisciplinary SC Physics GA 869OE UT WOS:000298606800025 PM 22243111 ER PT J AU Strobel, TA Ganesh, P Somayazulu, M Kent, PRC Hemley, RJ AF Strobel, Timothy A. Ganesh, P. Somayazulu, Maddury Kent, P. R. C. Hemley, Russell J. TI Novel Cooperative Interactions and Structural Ordering in H2S-H-2 SO PHYSICAL REVIEW LETTERS LA English DT Article ID SOLID HYDROGEN-SULFIDE; AUGMENTED-WAVE METHOD; X-RAY-DIFFRACTION; HIGH-PRESSURE; CRYSTAL-STRUCTURE; GPA; DEUTERIUM; MIXTURES; PHASES; I' AB Hydrogen sulfide (H2S) and hydrogen (H-2) crystallize into a 'guest-host' structure at 3.5 GPa and, at the initial formation pressure, the rotationally disordered component molecules exhibit weak van der Waals-type interactions. With increasing pressure, hydrogen bonding develops and strengthens between neighboring H2S molecules, reflected in a pronounced drop in S-H vibrational stretching frequency and also observed in first-principles calculations. At 17 GPa, an ordering process occurs where H2S molecules orient themselves to maximize hydrogen bonding and H-2 molecules simultaneously occupy a chemically distinct lattice site. Intermolecular forces in the H2S + H-2 system may be tuned with pressure from the weak hydrogen-bonding limit to the ordered hydrogen-bonding regime, resulting in a novel clathrate structure stabilized by cooperative interactions. C1 [Strobel, Timothy A.; Somayazulu, Maddury; Hemley, Russell J.] Carnegie Inst Washington, Geophys Lab, Washington, DC 20015 USA. [Ganesh, P.; Kent, P. R. C.] Oak Ridge Natl Lab, Ctr Nanophase Mat Sci, Oak Ridge, TN 37831 USA. RP Strobel, TA (reprint author), Carnegie Inst Washington, Geophys Lab, 5251 Broad Branch Rd NW, Washington, DC 20015 USA. EM tstrobel@ciw.edu; ganeshp@ornl.gov RI Kent, Paul/A-6756-2008; Ganesh, Panchapakesan/E-3435-2012; Ganesh, Panchapakesan/L-5571-2013 OI Kent, Paul/0000-0001-5539-4017; Ganesh, Panchapakesan/0000-0002-7170-2902; FU DOE-BES [DE-FG02-06ER46280]; NSF-DMR [DMR-0805056]; DOE-NNSA [DE-FC52-08NA28554]; Center for Nanophase Materials Sciences; ORNL by DOE-BES FX We thank Y. Meng and O. Shebanova for help with XRD and M. Guthrie and D. A. Dalton for helpful comments. We acknowledge support from DOE-BES (DE-FG02-06ER46280), NSF-DMR (DMR-0805056) and DOE-NNSA (DE-FC52-08NA28554). Portions of this work were performed at HPCAT (Sector 16, APS, ANL). P. R. C. K. was supported by the Center for Nanophase Materials Sciences, which is sponsored at ORNL by DOE-BES. Computations used the NERSC supported by DOE-SC No. DE-AC02-05CH11231. NR 20 TC 25 Z9 25 U1 0 U2 21 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 0031-9007 J9 PHYS REV LETT JI Phys. Rev. Lett. PD DEC 16 PY 2011 VL 107 IS 25 AR 255503 DI 10.1103/PhysRevLett.107.255503 PG 4 WC Physics, Multidisciplinary SC Physics GA 869OE UT WOS:000298606800015 PM 22243091 ER PT J AU Su, R Seu, KA Parks, D Kan, JJ Fullerton, EE Roy, S Kevan, SD AF Su, Run Seu, Keoki A. Parks, Daniel Kan, Jimmy J. Fullerton, Eric E. Roy, Sujoy Kevan, Stephen D. TI Emergent Rotational Symmetries in Disordered Magnetic Domain Patterns SO PHYSICAL REVIEW LETTERS LA English DT Article AB Uniaxial systems often form labyrinthine domains that exhibit short-range order but are macroscopically isotropic and would not be expected to exhibit precise symmetries. However, their underlying frustration results in a multitude of metastable configurations of comparable energy, and driving such a system externally might lead to pattern formation. We find that soft x-ray speckle diffraction patterns of the labyrinthine domains in CoPd/IrMn heterostructures reveal a diverse array of hidden rotational symmetries about the magnetization axis, thereby suggesting an unusual form of emergent order in an otherwise disordered system. These symmetries depend on applied magnetic field, magnetization history, and scattering wave vector. Maps of rotational symmetry exhibit intriguing structures that can be controlled by manipulating the applied magnetic field in concert with the exchange bias condition. C1 [Su, Run; Seu, Keoki A.; Parks, Daniel; Kevan, Stephen D.] Univ Oregon, Dept Phys, Eugene, OR 97403 USA. [Su, Run; Seu, Keoki A.; Parks, Daniel; Roy, Sujoy] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Adv Light Source, Berkeley, CA 94720 USA. [Kan, Jimmy J.; Fullerton, Eric E.] Univ Calif San Diego, San Diego, CA 92093 USA. RP Kevan, SD (reprint author), Univ Oregon, Dept Phys, Eugene, OR 97403 USA. EM kevan@uoregon.edu RI Fullerton, Eric/H-8445-2013; OI Fullerton, Eric/0000-0002-4725-9509; Kevan, Stephen/0000-0002-4621-9142 FU Office of Science, Office of Basic Energy Sciences, of the U.S. Department of Energy [DEAC02-05CH11231]; U.S. Department of Energy, Office of Basic Energy Sciences, Division of Materials Science and Engineering [DE-FG02-11ER46831]; DOE-BES [DE-SC0003678] FX The work at LBNL including experiment at ALS and computation on Lawrencium cluster was supported by the Director, Office of Science, Office of Basic Energy Sciences, of the U.S. Department of Energy under Contract No. DEAC02-05CH11231. The work of R. S. and D. P. was partially supported by the U.S. Department of Energy, Office of Basic Energy Sciences, Division of Materials Science and Engineering under Grant No. DE-FG02-11ER46831. Work at UCSD was partially supported by DOE-BES Award No. DE-SC0003678. Kim Kisslinger at Brookhaven National Laboratory fabricated the pinhole. Joshua Turner at SLAC National Accelerator Laboratory facilitated the pinhole-making process. NR 20 TC 6 Z9 6 U1 2 U2 14 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 0031-9007 J9 PHYS REV LETT JI Phys. Rev. Lett. PD DEC 16 PY 2011 VL 107 IS 25 AR 257204 DI 10.1103/PhysRevLett.107.257204 PG 4 WC Physics, Multidisciplinary SC Physics GA 869OE UT WOS:000298606800023 PM 22243108 ER PT J AU Young, NE Briner, JP Axford, Y Csatho, B Babonis, GS Rood, DH Finkel, RC AF Young, Nicolas E. Briner, Jason P. Axford, Yarrow Csatho, Beata Babonis, Greg S. Rood, Dylan H. Finkel, Robert C. TI Response of a marine-terminating Greenland outlet glacier to abrupt cooling 8200 and 9300 years ago SO GEOPHYSICAL RESEARCH LETTERS LA English DT Article ID WEST GREENLAND; JAKOBSHAVN ISBRAE; CLIMATE-CHANGE; DISKO-BUGT; COLD EVENT; ICE-SHEET; HOLOCENE; CHRONOLOGY; RECORDS; FJORD AB Long-term records of Greenland outlet-glacier change extending beyond the satellite era can inform future predictions of Greenland Ice Sheet behavior. Of particular relevance is elucidating the Greenland Ice Sheet's response to decadal- and centennial-scale climate change. Here, we reconstruct the early Holocene history of Jakobshavn Isbrae, Greenland's largest outlet glacier, using (10)Be surface exposure ages and (14)C-dated lake sediments. Our chronology of ice-margin change demonstrates that Jakobshavn Isbrae advanced to deposit moraines in response to abrupt cooling recorded in central Greenland ice cores ca. 8,200 and 9,300 years ago. While the rapid, dynamically aided retreat of many Greenland outlet glaciers in response to warming is well documented, these results indicate that marine-terminating outlet glaciers are also able to respond quickly to cooling. We suggest that short lag times of high ice flux margins enable a greater magnitude response of marine-terminating outlets to abrupt climate change compared to their land-terminating counterparts. Citation: Young, N. E., J. P. Briner, Y. Axford, B. Csatho, G. S. Babonis, D. H. Rood, and R. C. Finkel (2011), Response of a marine-terminating Greenland outlet glacier to abrupt cooling 8200 and 9300 years ago, Geophys. Res. Lett., 38, L24701, doi:10.1029/2011GL049639. C1 [Young, Nicolas E.; Briner, Jason P.; Csatho, Beata; Babonis, Greg S.] SUNY Buffalo, Dept Geol, Buffalo, NY 14260 USA. [Axford, Yarrow] Northwestern Univ, Dept Earth & Planetary Sci, Evanston, IL 60208 USA. [Finkel, Robert C.] Univ Calif Berkeley, Dept Earth & Planetary Sci, Berkeley, CA 94720 USA. [Rood, Dylan H.] Lawrence Livermore Natl Lab, Ctr Accelerator Mass Spectrometry, Livermore, CA 94550 USA. [Rood, Dylan H.] Univ Calif Berkeley, Earth Res Inst, Santa Barbara, CA USA. [Rood, Dylan H.] Scottish Univ Environm Res Ctr SUERC, E Kilbride, Lanark, Scotland. RP Young, NE (reprint author), SUNY Buffalo, Dept Geol, 411 Cooke Hall, Buffalo, NY 14260 USA. EM nyoung2@buffalo.edu RI Axford, Yarrow/N-4151-2014 OI Axford, Yarrow/0000-0002-8033-358X FU U.S. National Science Foundation [NSF-BCS 0752848, NSF-BCS 1002597] FX We thank CH2M Hill for logistical support in west Greenland, and Joerg Schaefer and Colm O'Cofaigh whose insightful reviews undoubtedly strengthened this paper. This work was supported by the U.S. National Science Foundation Geography and Spatial Sciences Program (NSF-BCS 0752848 and NSF-BCS 1002597). NR 34 TC 25 Z9 25 U1 2 U2 16 PU AMER GEOPHYSICAL UNION PI WASHINGTON PA 2000 FLORIDA AVE NW, WASHINGTON, DC 20009 USA SN 0094-8276 J9 GEOPHYS RES LETT JI Geophys. Res. Lett. PD DEC 16 PY 2011 VL 38 AR L24701 DI 10.1029/2011GL049639 PG 4 WC Geosciences, Multidisciplinary SC Geology GA 864TC UT WOS:000298262000001 ER PT J AU Scott-Craig, JS Borrusch, MS Banerjee, G Harvey, CM Walton, JD AF Scott-Craig, John S. Borrusch, Melissa S. Banerjee, Goutami Harvey, Christopher M. Walton, Jonathan D. TI Biochemical and Molecular Characterization of Secreted alpha-Xylosidase from Aspergillus niger SO JOURNAL OF BIOLOGICAL CHEMISTRY LA English DT Article ID POLYSACCHARIDE-DEGRADING ENZYMES; CELL-WALL; XYLOGLUCAN OLIGOSACCHARIDES; CLASSIFICATION; DECONSTRUCTION; PURIFICATION; MIXTURES; PROTEINS; REVEALS; BIOMASS AB Background: Microbial secreted alpha-xylosidases are rare. Results: An alpha-xylosidase of Aspergillus niger (AxlA) was purified and expressed in Pichia pastoris. Conclusion: Native and recombinant AxlA act on pNP alpha X and isoprimeverose. Together with beta-glucosidase, AxlA degrades xyloglucan (XG) heptasaccharide. Together with xyloglucanase, beta-galactosidase, and beta-glucosidase, it degrades tamarind XG. Significance: The biochemical function of AxlA is established. C1 [Walton, Jonathan D.] Michigan State Univ, Dept Energy, Plant Res Lab, E Lansing, MI 48824 USA. Michigan State Univ, Dept Energy, Great Lakes Bioenergy Res Ctr, E Lansing, MI 48824 USA. RP Walton, JD (reprint author), Michigan State Univ, Dept Energy, Plant Res Lab, E Lansing, MI 48824 USA. EM walton@msu.edu FU U.S. Department of Energy Great Lakes Bioenergy Research Center (Department of Energy Office of Science BER ) [DE-FC02-07ER64494]; U.S. Department of Energy, Office of Basic Energy Sciences, Division of Chemical Sciences, Geosciences, and Biosciences [DE-FG02-91ER200021] FX This work was supported by the U.S. Department of Energy Great Lakes Bioenergy Research Center (Department of Energy Office of Science BER DE-FC02-07ER64494) and by Grant DE-FG02-91ER200021 to the Michigan State University-Plant Research Laboratory from the U.S. Department of Energy, Office of Basic Energy Sciences, Division of Chemical Sciences, Geosciences, and Biosciences. NR 35 TC 10 Z9 12 U1 0 U2 20 PU AMER SOC BIOCHEMISTRY MOLECULAR BIOLOGY INC PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3996 USA SN 0021-9258 J9 J BIOL CHEM JI J. Biol. Chem. PD DEC 16 PY 2011 VL 286 IS 50 BP 42848 EP 42854 DI 10.1074/jbc.M111.307397 PG 7 WC Biochemistry & Molecular Biology SC Biochemistry & Molecular Biology GA 866AF UT WOS:000298351300006 PM 22033931 ER PT J AU Singh, RK Larson, JD Zhu, WD Rambo, RP Hura, GL Becker, DF Tanner, JJ AF Singh, Ranjan K. Larson, John D. Zhu, Weidong Rambo, Robert P. Hura, Greg L. Becker, Donald F. Tanner, John J. TI Small-angle X-ray Scattering Studies of the Oligomeric State and Quaternary Structure of the Trifunctional Proline Utilization A (PutA) Flavoprotein from Escherichia coli SO JOURNAL OF BIOLOGICAL CHEMISTRY LA English DT Article ID ALDEHYDE DEHYDROGENASE; SALMONELLA-TYPHIMURIUM; MULTIFUNCTIONAL PUTA; CONFORMATIONAL-CHANGES; MEMBRANE ASSOCIATION; CRYSTAL-STRUCTURE; GENE-EXPRESSION; DNA-BINDING; PROTEIN; DOMAIN AB The trifunctional flavoprotein proline utilization A (PutA) links metabolism and gene regulation in Gram-negative bacteria by catalyzing the two-step oxidation of proline to glutamate and repressing transcription of the proline utilization regulon. Small-angle x-ray scattering (SAXS) and domain deletion analysis were used to obtain solution structural information for the 1320-residue PutA from Escherichia coli. Shape reconstructions show that PutA is a symmetric V-shaped dimer having dimensions of 205 x 85 x 55 angstrom. The particle consists of two large lobes connected by a 30-angstrom diameter cylinder. Domain deletion analysis shows that the N-terminal DNA-binding domain mediates dimerization. Rigid body modeling was performed using the crystal structure of the DNA-binding domain and a hybrid x-ray/homology model of residues 87-1113. The calculations suggest that the DNA-binding domain is located in the connecting cylinder, whereas residues 87-1113, which contain the two catalytic active sites, reside in the large lobes. The SAXS data and amino acid sequence analysis suggest that the Delta(1)-pyrroline-5-carboxylate dehydrogenase domains lack the conventional oligomerization flap, which is unprecedented for the aldehyde dehydrogenase superfamily. The data also provide insight into the function of the 200-residue C-terminal domain. It is proposed that this domain serves as a lid that covers the internal substrate channeling cavity, thus preventing escape of the catalytic intermediate into the bulk medium. Finally, the SAXS model is consistent with a cloaking mechanism of gene regulation whereby interaction of PutA with the membrane hides the DNA-binding surface from the put regulon thereby activating transcription. C1 [Singh, Ranjan K.; Larson, John D.; Tanner, John J.] Univ Missouri, Dept Chem, Columbia, MO 65211 USA. [Tanner, John J.] Univ Missouri, Dept Biochem, Columbia, MO 65211 USA. [Zhu, Weidong; Becker, Donald F.] Univ Nebraska, Dept Biochem, Lincoln, NE 68588 USA. [Rambo, Robert P.; Hura, Greg L.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA. RP Tanner, JJ (reprint author), Univ Missouri, Dept Chem, Columbia, MO 65211 USA. EM tannerjj@missouri.edu FU National Institutes of Health [GM065546, GM061068]; Office of Science, Office of Basic Energy Sciences, of the United States Department of Energy [DE-AC02-05CH11231] FX This work was supported, in whole or in part, by National Institutes of Health Grants GM065546 and GM061068.; We thank Kevin Dyer of the SIBYLS Mail In SAXS Program for collecting some of the SAXS data. We also thank Prof. Krishna K. Sharma for use of his SEC-MALS instrument, and Dr. Santhoshkumar Puttur for helping with SEC-MALS data collection and analysis. Part of this research was performed at the Advanced Light Source. The Advanced Light Source is supported by the Director, Office of Science, Office of Basic Energy Sciences, of the United States Department of Energy under Contract DE-AC02-05CH11231. NR 48 TC 8 Z9 8 U1 0 U2 3 PU AMER SOC BIOCHEMISTRY MOLECULAR BIOLOGY INC PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3996 USA SN 0021-9258 J9 J BIOL CHEM JI J. Biol. Chem. PD DEC 16 PY 2011 VL 286 IS 50 BP 43144 EP 43153 DI 10.1074/jbc.M111.292474 PG 10 WC Biochemistry & Molecular Biology SC Biochemistry & Molecular Biology GA 866AF UT WOS:000298351300035 PM 22013066 ER PT J AU Haudenschild, DR Hong, E Yik, JHN Chromy, B Morgelin, M Snow, KD Acharya, C Takada, Y Di Cesare, PE AF Haudenschild, Dominik R. Hong, Eunmee Yik, Jasper H. N. Chromy, Brett Morgelin, Matthias Snow, Kaylene D. Acharya, Chitrangada Takada, Yoshikazu Di Cesare, Paul E. TI Enhanced Activity of Transforming Growth Factor beta 1 (TGF-beta 1) Bound to Cartilage Oligomeric Matrix Protein SO JOURNAL OF BIOLOGICAL CHEMISTRY LA English DT Article ID CRYSTAL-STRUCTURE; COLLAGEN-IX; EXTRACELLULAR-MATRIX; DEPENDENT MANNER; COILED-COIL; CELLS; COMP; INTEGRIN; BINDING; DOMAIN AB Cartilage oligomeric matrix protein (COMP) is an important non-collagenous cartilage protein that is essential for the structural integrity of the cartilage extracellular matrix. The repeated modular structure of COMP allows it to "bridge" and assemble multiple cartilage extracellular matrix components such as collagens, matrilins, and proteoglycans. With its modular structure, COMP also has the potential to act as a scaffold for growth factors, thereby affecting how and when the growth factors are presented to cell-surface receptors. However, it is not known whether COMP binds growth factors. We studied the binding interaction between COMP and TGF-beta 1 in vitro and determined the effect of COMP on TGF-beta 1-induced signal transduction in reporter cell lines and primary cells. Our results demonstrate that mature COMP protein binds to multiple TGF-beta 1 molecules and that the peak binding occurs at slightly acidic pH. These interactions were confirmed by dual polarization interferometry and visualized by rotary shadow electron microscopy. There is cation-independent binding of TGF-beta 1 to the C-terminal domain of COMP. In the presence of manganese, an additional TGF-beta-binding site is present in the TSP3 repeats of COMP. Finally, we show that COMP-bound TGF-beta 1 causes increased TGF-beta 1-dependent transcription. We conclude that TGF-beta 1 binds to COMP and that TGF-beta 1 bound to COMP has enhanced bioactivity. C1 [Haudenschild, Dominik R.; Hong, Eunmee; Yik, Jasper H. N.; Snow, Kaylene D.; Acharya, Chitrangada; Di Cesare, Paul E.] Univ Calif Davis Med Ctr, Lawrence J Ellison Musculoskeletal Res Ctr, Dept Orthopaed Surg, Sacramento, CA 95817 USA. [Takada, Yoshikazu] Univ Calif Davis Med Ctr, Dept Dermatol, Sacramento, CA 95817 USA. [Chromy, Brett] Lawrence Livermore Natl Lab, Phys & Life Sci Directorate, Livermore, CA 94550 USA. [Morgelin, Matthias] Lund Univ, Dept Clin Sci, S-22100 Lund, Sweden. RP Haudenschild, DR (reprint author), Univ Calif Davis Med Ctr, 4635 2nd Ave,Suite 2000, Sacramento, CA 95618 USA. EM dominik.haudenschild@ucdmc.ucdavis.edu RI Haudenschild, Dominik/B-2381-2008; OI Haudenschild, Dominik/0000-0001-9947-9864; takada, yoshikazu/0000-0001-5481-9589 FU Swedish Research Council [7480] FX This work was supported by departmental startup funds (to D. R. H.) and Swedish Research Council Project 7480 (to M. M.). NR 45 TC 20 Z9 21 U1 0 U2 7 PU AMER SOC BIOCHEMISTRY MOLECULAR BIOLOGY INC PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3996 USA SN 0021-9258 J9 J BIOL CHEM JI J. Biol. Chem. PD DEC 16 PY 2011 VL 286 IS 50 BP 43250 EP 43258 DI 10.1074/jbc.M111.234716 PG 9 WC Biochemistry & Molecular Biology SC Biochemistry & Molecular Biology GA 866AF UT WOS:000298351300045 PM 21940632 ER PT J AU Nadeau, JS Wilson, RB Hoggard, JC Wright, BW Synovec, RE AF Nadeau, Jeremy S. Wilson, Ryan B. Hoggard, Jamin C. Wright, Bob W. Synovec, Robert E. TI Study of the interdependency of the data sampling ratio with retention time alignment and principal component analysis for gas chromatography SO JOURNAL OF CHROMATOGRAPHY A LA English DT Article DE Gas chromatography; Data sampling; Sampling ratio; Data reduction; Boxcar averaging; Alignment ID MASS-SPECTROMETRY DATA; COMPREHENSIVE 2-DIMENSIONAL SEPARATIONS; FLAME IONIZATION DETECTOR; EFFECTIVE PEAK-CAPACITY; DUAL-VALVE INJECTION; LIQUID-CHROMATOGRAPHY; CHEMOMETRIC ANALYSIS; PIECEWISE ALIGNMENT; DIMENSION REDUCTION; FEATURE-SELECTION AB An in-depth study is presented to better understand how data reduction via averaging impacts retention alignment and the subsequent chemometric analysis of data obtained using gas chromatography (GC). We specifically study the use of signal averaging to reduce GC data, retention time alignment to correct run-to-run retention shifting, and principal component analysis (PCA) to classify chromatographic separations of diesel samples by sample class. Diesel samples were selected because they provide sufficient complexity to study the impact of data reduction on the data analysis strategies. The data reduction process reduces the data sampling ratio. S(R), which is defined as the number of data points across a given chromatographic peak width (i.e., the four standard deviation peak width). Ultimately, sufficient data reduction causes the chromatographic resolution to decrease, however with minimal loss of chemical information via the PCA. Using PCA, the degree of class separation (DCS) is used as a quantitative metric. Three "Paths" of analysis (denoted A-C) are compared to each other in the context of a "benchmark" method to study the impact of the data sampling ratio on preserving chemical information, which is defined by the DCS quantitative metric. The benchmark method is simply aligning data and applying PCA, without data reduction. Path A applies data alignment to collected data, then data reduction, and finally PCA. Path B applies data reduction to collected data, and then data alignment, and finally PCA. The optimized path, namely Path C, is created from Paths A and B, whereby collected data are initially reduced to fewer data points (smaller S(R)), then aligned, and then further reduced to even fewer points and finally analyzed with PCA to provide the DCS metric. Overall, following Path C, one can successfully and efficiently classify chromatographic data by reducing to a S(R) of similar to 15 before alignment, and then reducing down to S(R) of similar to 2 before performing PCA. Indeed, following Path C, results from an average of 15 different column length-with-temperature ramp rate combinations spanning a broad range of separation conditions resulted in only a similar to 15% loss in classification capability (via PCA) when the loss in chromatographic resolution was similar to 36%. (C) 2011 Elsevier B.V. All rights reserved. C1 [Nadeau, Jeremy S.; Wilson, Ryan B.; Hoggard, Jamin C.; Synovec, Robert E.] Univ Washington, Dept Chem, Seattle, WA 98195 USA. [Wright, Bob W.] Pacific NW Natl Lab, Richland, WA 99352 USA. RP Synovec, RE (reprint author), Univ Washington, Dept Chem, Box 351700, Seattle, WA 98195 USA. EM synovec@chem.washington.edu FU Internal Revenue Service (IRS); US Department of Energy (DOE) [DE-AC05-76RLO 1830]; Pacific Northwest National Laboratory FX This work was supported by the Internal Revenue Service (IRS) under an Interagency Agreement with the US Department of Energy (DOE) under Contract DE-AC05-76RLO 1830 with the Pacific Northwest National Laboratory. Battelle Memorial Institute operates the Pacific Northwest National Laboratory. NR 57 TC 10 Z9 10 U1 0 U2 14 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 0021-9673 J9 J CHROMATOGR A JI J. Chromatogr. A PD DEC 16 PY 2011 VL 1218 IS 50 BP 9091 EP 9101 DI 10.1016/j.chroma.2011.10.031 PG 11 WC Biochemical Research Methods; Chemistry, Analytical SC Biochemistry & Molecular Biology; Chemistry GA 862XH UT WOS:000298126900016 PM 22055520 ER PT J AU Brasch, J Harrison, OJ Ahlsen, G Liu, Q Shapiro, L AF Brasch, Julia Harrison, Oliver J. Ahlsen, Goran Liu, Qun Shapiro, Lawrence TI Crystal Structure of the Ligand Binding Domain of Netrin G2 SO JOURNAL OF MOLECULAR BIOLOGY LA English DT Article DE NGL; netrin; laminin; cell adhesion molecules; sulfur-SAD ID FAMILY; PROTEIN; CRYSTALLOGRAPHY; RECOGNITION; EXPRESSION; OUTGROWTH; COMPLEX AB Netrin G proteins represent a small family of synaptic cell adhesion molecules related to netrins and to the polymerization domains of laminins. Two netrin G proteins are encoded in vertebrate genomes, netrins G1 and G2, which are known to bind the leucine-rich repeat proteins netrin G ligand (NGL)-1 and NGL-2, respectively. Netrin G proteins share a common multi-domain architecture comprising a laminin N-terminal (LN) domain followed by three laminin epidermal growth factor-like (LE) domains and a C' region containing a glycosylphosphatidylinositol anchor. Here, we use deletion analysis to show that the LN domain region of netrin Gs contains the binding site for NGLs to which they bind with 1:1 stoichiometry and sub-micromolar affinity. Netrin Gs are alternatively spliced in their LE domain regions, but the binding region, the LN domain, is identical in all splice forms. We determined the crystal structure for a fragment comprising the LN domain and domain LE1 of netrin G2 by sulfur single-wavelength anomalous diffraction phasing and refined it to 1.8 angstrom resolution. The structure reveals an overall architecture similar to that of laminin a chain LN domains but includes significant differences including a Ca(2+) binding site in the LN domain. These results reveal the minimal binding unit for interaction of netrin Gs with NGLs, define structural features specific to netrin Gs, and suggest that netrin G alternative splicing is not involved in NGL recognition. (C) 2011 Published by Elsevier Ltd. C1 [Brasch, Julia; Harrison, Oliver J.; Ahlsen, Goran; Shapiro, Lawrence] Columbia Univ, Dept Biochem & Mol Biophys, New York, NY 10033 USA. [Harrison, Oliver J.] Columbia Univ, Howard Hughes Med Inst, New York, NY 10032 USA. [Liu, Qun] Brookhaven Natl Lab, New York Struct Biol Ctr, Natl Synchrotron Light Source X4, Upton, NY 11973 USA. RP Shapiro, L (reprint author), Columbia Univ, Dept Biochem & Mol Biophys, 635 West 165th St, New York, NY 10033 USA. EM LSS8@columbia.edu RI Liu, Qun/A-8757-2011 OI Liu, Qun/0000-0002-1179-290X FU New York Structural Biology Center; National Institutes of Health [GM62270] FX We thank Prof. T.M. Jessell for helpful discussions and suggestions on the manuscript. X-ray data were acquired at the X4A and X4C beamlines of the National Synchrotron Light Source, Brookhaven National Laboratory, a Department of Energy facility; the beamlines are supported by the New York Structural Biology Center. We thank John Schwanof and Randy Abramowitz for help with synchrotron data collection. This work was supported by National Institutes of Health grant GM62270 to L.S. NR 33 TC 14 Z9 15 U1 0 U2 1 PU ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD PI LONDON PA 24-28 OVAL RD, LONDON NW1 7DX, ENGLAND SN 0022-2836 J9 J MOL BIOL JI J. Mol. Biol. PD DEC 16 PY 2011 VL 414 IS 5 BP 723 EP 734 DI 10.1016/j.jmb.2011.10.030 PG 12 WC Biochemistry & Molecular Biology SC Biochemistry & Molecular Biology GA 868MG UT WOS:000298526800007 PM 22041449 ER PT J AU Pak, JE Satkunarajah, M Seetharaman, J Rini, JM AF Pak, John E. Satkunarajah, Malathy Seetharaman, Jayaraman Rini, James M. TI Structural and Mechanistic Characterization of Leukocyte-Type Core 2 beta 1,6-N-Acetylglucosaminyltransferase: A Metal-Ion-Independent GT-A Glycosyltransferase SO JOURNAL OF MOLECULAR BIOLOGY LA English DT Article DE core 2; C2GnT-L; glycosyltransferase; GT-A; GT-B ID FRONTAL AFFINITY-CHROMATOGRAPHY; RAY CRYSTAL-STRUCTURE; N-ACETYLGLUCOSAMINYLTRANSFERASE; HUMAN GLUCURONOSYLTRANSFERASE; BETA-GLUCOSYLTRANSFERASE; BIOSYNTHETIC-PATHWAY; CATALYTIC MECHANISM; GLYCOGEN-SYNTHASE; MOLECULAR-CLONING; BINARY COMPLEXES AB Leukocyte-type core 2 beta 1,6-N-acetylglucosaminyltransferase (C2GnT-L) is an inverting, metal-ion-independent glycosyltransferase that catalyzes the formation of mucin-type core 2 O-glycans. C2GnT-L belongs to the GT-A fold, yet it lacks the metal ion binding DXD motif characteristic of other nucleoside disphosphate GT-A fold glycosyltransferases. To shed light on the basis for its metal ion independence, we have solved the X-ray crystal structure (2.3 angstrom resolution) of a mutant form of C2GnT-L (C217S) in complex with the nucleotide sugar product UDP and, using site-directed mutagenesis, examined the roles of R378 and K401 in both substrate binding and catalysis. The structure shows that C2GnT-L exists in an "open" conformation and a "closed" conformation and that, in the latter, R378 and K401 interact with the beta-phosphate moiety of the bound UDP. The two conformations are likely to be important in catalysis, but the conformational changes that lead to their interconversion do not resemble the nucleotide-sugar-mediated loop ordering observed in other GT-A glycosyltransferases. R378 and K401 were found to be important in substrate binding and/or catalysis, an observation consistent with the suggestion that they serve the same role played by metal ion in all of the other GT-A glycosyltransferases studied to date. Notably, R378 and K401 appear to function in a manner similar to that of the arginine and lysine residues contained in the RX4-5K motif found in the retaining GT-B glycosyltransferases. (C) 2011 Elsevier Ltd. All rights reserved. C1 [Pak, John E.; Satkunarajah, Malathy; Rini, James M.] Univ Toronto, Dept Mol Genet, Toronto, ON M5S 1A8, Canada. [Satkunarajah, Malathy; Rini, James M.] Univ Toronto, Dept Biochem, Toronto, ON M5S 1A8, Canada. [Seetharaman, Jayaraman] Brookhaven Natl Lab, Upton, NY 11973 USA. RP Rini, JM (reprint author), Univ Toronto, Dept Mol Genet, Med Sci Bldg,Room 5360,1 Kings Coll Circle, Toronto, ON M5S 1A8, Canada. EM james.rini@utoronto.ca FU Canadian Institutes of Health Research; Ontario Graduate Scholarship FX Support for this work was provided for by the Canadian Institutes of Health Research (to J.M.R.) and an Ontario Graduate Scholarship (to J.E.P.). NR 62 TC 9 Z9 9 U1 1 U2 9 PU ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD PI LONDON PA 24-28 OVAL RD, LONDON NW1 7DX, ENGLAND SN 0022-2836 EI 1089-8638 J9 J MOL BIOL JI J. Mol. Biol. PD DEC 16 PY 2011 VL 414 IS 5 BP 798 EP 811 DI 10.1016/j.jmb.2011.10.039 PG 14 WC Biochemistry & Molecular Biology SC Biochemistry & Molecular Biology GA 868MG UT WOS:000298526800012 PM 22056345 ER PT J AU Allcock, DTC Guidoni, L Harty, TP Ballance, CJ Blain, MG Steane, AM Lucas, DM AF Allcock, D. T. C. Guidoni, L. Harty, T. P. Ballance, C. J. Blain, M. G. Steane, A. M. Lucas, D. M. TI Reduction of heating rate in a microfabricated ion trap by pulsed-laser cleaning SO NEW JOURNAL OF PHYSICS LA English DT Article ID INDUCED DESORPTION; ALUMINUM; SURFACE AB Laser cleaning of the electrodes in a planar micro-fabricated ion trap has been attempted using ns pulses from a tripled Nd:YAG laser at 355 nm. The effect of the laser pulses at several energy density levels has been tested by measuring the heating rate of a single (40)Ca(+) trapped ion as a function of its secular frequency omega(z). A reduction of the electric-field noise spectral density by similar to 50% has been observed and a change in the frequency dependence also noticed. This is the first reported experiment where the 'anomalous heating' phenomenon has been reduced by removing the source as opposed to reducing its thermal driving by cryogenic cooling. This technique may open up the way to better control of the electrode surface quality in ion microtraps. C1 [Allcock, D. T. C.; Guidoni, L.; Harty, T. P.; Ballance, C. J.; Steane, A. M.; Lucas, D. M.] Univ Oxford, Dept Phys, Clarendon Lab, Oxford OX1 3PU, England. [Guidoni, L.] Univ Paris Diderot, Lab Mat & Phenomenes Quant, CNRS, UMR 7162, F-75205 Paris, France. [Blain, M. G.] Sandia Natl Labs, Albuquerque, NM 87185 USA. RP Allcock, DTC (reprint author), Univ Oxford, Dept Phys, Clarendon Lab, Parks Rd, Oxford OX1 3PU, England. EM d.allcock@physics.ox.ac.uk RI Allcock, David/C-7582-2013; OI Allcock, David/0000-0002-7317-5560; Harty, Thomas/0000-0003-4077-226X FU EPSRC [EP/I028978/1] FX We are extremely grateful to Professor P Ewart and Dr B Williams for the loan of the Nd:YAG laser. We thank D Stick, D L Moehring, D N Stacey, N M Linke and H A Janacek for helpful discussions. LG acknowledges Balliol College in Oxford for an Oliver Smithies fellowship and acknowledges funding from EPSRC (grant no. EP/I028978/1). This work was supported by an EPSRC Science and Innovation Award. NR 32 TC 29 Z9 29 U1 2 U2 12 PU IOP PUBLISHING LTD PI BRISTOL PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND SN 1367-2630 J9 NEW J PHYS JI New J. Phys. PD DEC 16 PY 2011 VL 13 AR 123023 DI 10.1088/1367-2630/13/12/123023 PG 11 WC Physics, Multidisciplinary SC Physics GA 875BZ UT WOS:000299006200002 ER PT J AU Gilmore, K Garate, I MacDonald, AH Stiles, MD AF Gilmore, Keith Garate, Ion MacDonald, Allan H. Stiles, M. D. TI First-principles calculation of the nonadiabatic spin transfer torque in Ni and Fe SO PHYSICAL REVIEW B LA English DT Article ID DOMAIN-WALL MOTION; S-D EXCHANGE; ELECTRIC-CURRENT; MAGNETIZATION DYNAMICS; PERMALLOY-FILMS; DRIVEN; NANOWIRES; METALS; RELAXATION; DEPENDENCE AB The magnetization dynamics of a ferromagnet subjected to an electrical current are described by an extension of the Landau-Lifshitz-Gilbert equation that contains two additional terms, the adiabatic and nonadiabatic spin-transfer torques. First-principles calculations of the nonadiabatic spin-transfer torque parameter beta for bcc iron and fcc nickel show that beta is related to and typically of the same order as alpha, the damping constant, but is distinct from it. Calculations as a function of the ratio of spin-dependent scattering rates show that (1) the minimum of the damping constant as a function of scattering rate does not change significantly, and (2) when the polarization of the current approaches zero, beta can become large but the implied domain-wall velocity does not. C1 [Gilmore, Keith; Stiles, M. D.] Natl Inst Stand & Technol, Ctr Nanoscale Sci & Technol, Gaithersburg, MD 20899 USA. [Gilmore, Keith] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Mol Foundry, Berkeley, CA 94720 USA. [Garate, Ion] Yale Univ, Dept Phys, New Haven, CT 06520 USA. [MacDonald, Allan H.] Univ Texas Austin, Dept Phys, Austin, TX 78712 USA. RP Gilmore, K (reprint author), Natl Inst Stand & Technol, Ctr Nanoscale Sci & Technol, Gaithersburg, MD 20899 USA. RI Stiles, Mark/K-2426-2012; Gilmore, Keith/D-5426-2013 OI Stiles, Mark/0000-0001-8238-4156; NR 76 TC 15 Z9 15 U1 0 U2 19 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1098-0121 EI 1550-235X J9 PHYS REV B JI Phys. Rev. B PD DEC 16 PY 2011 VL 84 IS 22 AR 224412 DI 10.1103/PhysRevB.84.224412 PG 8 WC Physics, Condensed Matter SC Physics GA 868UX UT WOS:000298552700003 ER PT J AU Grabowski, B Soderlind, P Hickel, T Neugebauer, J AF Grabowski, B. Soederlind, P. Hickel, T. Neugebauer, J. TI Temperature-driven phase transitions from first principles including all relevant excitations: The fcc-to-bcc transition in Ca SO PHYSICAL REVIEW B LA English DT Article ID TOTAL-ENERGY CALCULATIONS; AUGMENTED-WAVE METHOD; THERMAL-EXPANSION; ELECTRON-GAS; BASIS-SET; METALS; SEMICONDUCTORS; ELEMENTS; CALCIUM; STATE AB The temperature-driven fcc-to-bcc phase transition in calcium is examined by a fully ab initio-based integrated technique including all relevant finite-temperature excitation mechanisms. The approach is based on density-functional-theory calculations with a controlled numerical stability of below 0.5 meV/atom for the electronic, quasiharmonic, and structural excitations and better than 1 meV/atom for the explicitly anharmonic contribution. The latter is achieved by successfully utilizing the recently developed hierarchical upsampled thermodynamic integration using Langevin dynamics method. This approach gives direct access to a numerically highly precise volume- and temperature-dependent free-energy surface and derived properties. It enables us to assign the remaining deviations from experiment to inherent errors of the presently available exchange-correlation functionals. Performing the full analysis with both of the conventional functionals, local density approximation and generalized gradient approximation, we demonstrate that-when considered on an absolute scale-thermodynamic properties are dictated by a strikingly similar free energy vs volume curve. Further, we show that, despite an error in the T = 0 K energy difference between the two phases (approximate to 6 meV in the present case), an excellent agreement of the temperature dependence of the Gibbs energy difference with experimentally derived data is feasible. This makes it possible, for instance, to unveil unreliable and possibly erroneous experimental input used in popular thermodynamic databases as we explicitly demonstrate for the isobaric heat capacity of calcium. C1 [Grabowski, B.; Soederlind, P.] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA. [Hickel, T.; Neugebauer, J.] Max Planck Inst Eisenforsch GmbH, DE-40237 Dusseldorf, Germany. RP Grabowski, B (reprint author), Lawrence Livermore Natl Lab, Livermore, CA 94550 USA. RI Grabowski, Blazej/D-8430-2012; Hickel, Tilmann/J-8306-2012; Neugebauer, Joerg/K-2041-2015 OI Grabowski, Blazej/0000-0003-4281-5665; Neugebauer, Joerg/0000-0002-7903-2472 FU DFG [PAK461]; US Department of Energy by Lawrence Livermore National Laboratory [DE-AC52-07NA27344] FX We acknowledge financial support by the DFG in the framework of the "Nachwuchsakademie." In addition, this project benefited from financial support of the DFG within the project PAK461. Part of this work was performed under the auspices of the US Department of Energy by Lawrence Livermore National Laboratory under Contract No. DE-AC52-07NA27344. Fruitful discussions with Albert Glensk are gratefully acknowledged. NR 63 TC 21 Z9 21 U1 4 U2 22 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1098-0121 EI 1550-235X J9 PHYS REV B JI Phys. Rev. B PD DEC 16 PY 2011 VL 84 IS 21 AR 214107 DI 10.1103/PhysRevB.84.214107 PG 20 WC Physics, Condensed Matter SC Physics GA 867WW UT WOS:000298486500001 ER PT J AU Nobre, GPA Dietrich, FS Escher, JE Thompson, IJ Dupuis, M Terasaki, J Engel, J AF Nobre, G. P. A. Dietrich, F. S. Escher, J. E. Thompson, I. J. Dupuis, M. Terasaki, J. Engel, J. TI Toward a microscopic reaction description based on energy-density-functional structure models SO PHYSICAL REVIEW C LA English DT Article ID NUCLEON-NUCLEUS SCATTERING; REACTION CROSS-SECTIONS; HEAVY-ION COLLISIONS; OPTICAL-MODEL; INELASTIC-SCATTERING; ELASTIC-SCATTERING; EXPANSION; PROTONS; PB-208; STATES AB A microscopic calculation of reaction cross sections for nucleon-nucleus scattering has been performed by explicitly coupling the elastic channel to all particle-hole excitations in the target and one-nucleon pickup channels. The particle-hole states may be regarded as doorway states through which the flux flows to more complicated configurations, and subsequently to long-lived compound nucleus resonances. Target excitations for Ca-40,Ca-48, Ni-58, Zr-90, and Sm-144 were described in a random-phase framework using a Skyrme functional. Reaction cross sections obtained agree very well with experimental data and predictions of a state-of-the-art fitted optical potential. Couplings between inelastic states were found to be negligible, while the pickup channels contribute significantly. The effect of resonances from higher-order channels was assessed. Elastic angular distributions were also calculated within the same method, achieving good agreement with experimental data. Observed absorptions are completely accounted for by explicit channel coupling, for incident energies between 10 and 70 MeV, with consistent angular distribution results. C1 [Nobre, G. P. A.; Dietrich, F. S.; Escher, J. E.; Thompson, I. J.] Lawrence Livermore Natl Lab, Livermore, CA 94551 USA. [Dupuis, M.] CEA, DAM, DIF, F-91297 Arpajon, France. [Terasaki, J.] Univ Tsukuba, Ctr Computat Sci, Tsukuba, Ibaraki 3058577, Japan. [Engel, J.] Univ N Carolina, Dept Phys & Astron, Chapel Hill, NC 27599 USA. RP Nobre, GPA (reprint author), Brookhaven Natl Lab, Bldg 197D, Upton, NY 11973 USA. EM gnobre@bnl.gov RI Escher, Jutta/E-1965-2013 FU US Department of Energy by Lawrence Livermore National Laboratory [DE-AC52-07NA27344]; UNEDF Collaboration with SciDAC [DE-FC02-07ER41457] FX This work was performed under the auspices of the US Department of Energy by Lawrence Livermore National Laboratory under Contract No. DE-AC52-07NA27344, and under the UNEDF Collaboration with SciDAC Contract No. DE-FC02-07ER41457. NR 58 TC 9 Z9 9 U1 0 U2 5 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 0556-2813 J9 PHYS REV C JI Phys. Rev. C PD DEC 16 PY 2011 VL 84 IS 6 AR 064609 DI 10.1103/PhysRevC.84.064609 PG 12 WC Physics, Nuclear SC Physics GA 866OS UT WOS:000298391200001 ER PT J AU Kamano, H Nakamura, SX Lee, TSH Sato, T AF Kamano, H. Nakamura, S. X. Lee, T. -S. H. Sato, T. TI Unitary coupled-channels model for three-mesons decays of heavy mesons SO PHYSICAL REVIEW D LA English DT Article ID CHIRAL PERTURBATION-THEORY; DALITZ PLOT ANALYSIS; PHI(3) MEASUREMENT; NUCLEAR REACTIONS; HIGH STATISTICS; EXCHANGE MODEL; UNIFIED THEORY; PI-PI; GEV-C; RESONANCES AB A unitary coupled-channels model is presented for investigating the decays of heavy mesons and excited meson states into three light pseudoscalar mesons. The model accounts for the three-mesons final state interactions in the decay processes, as required by both the three-body and two-body unitarity conditions. In the absence of the Z-diagram mechanisms that are necessary consequences of the three-body unitarity, our decay amplitudes are reduced to a form similar to those used in the so-called isobar-model analysis. We apply our coupled-channels model to the three-pions decays of a(1)(1260), pi(2)(1670), pi(2)(2100), and D-0 mesons, and show that the Z-diagram mechanisms can contribute to the calculated Dalitz plot distributions by as much as 30% in magnitudes in the regions where f(0)(600), rho(770), and f(2)(1270) dominate the distributions. Also, by fitting to the same Dalitz plot distributions, we demonstrate that the decay amplitudes obtained with the unitary model and the isobar model can be rather different, particularly in the phase that plays a crucial role in extracting the Cabibbo-Kobayashi-Maskawa CP-violating phase from the data of B meson decays. Our results indicate that the commonly used isobar-model analysis must be extended to account for the final state interactions required by the three-body unitarity to reanalyze the three-mesons decays of heavy mesons, thereby exploring hybrid or exotic mesons, and signatures of physics beyond the standard model. C1 [Kamano, H.] Osaka Univ, Nucl Phys Res Ctr, Osaka 5670047, Japan. [Kamano, H.; Nakamura, S. X.; Lee, T. -S. H.; Sato, T.] Thomas Jefferson Natl Accelerator Facil, EBAC, Newport News, VA 23606 USA. [Lee, T. -S. H.] Argonne Natl Lab, Div Phys, Argonne, IL 60439 USA. [Sato, T.] Osaka Univ, Dept Phys, Toyonaka, Osaka 5600043, Japan. RP Kamano, H (reprint author), Osaka Univ, Nucl Phys Res Ctr, Osaka 5670047, Japan. RI Nakamura, Satoshi/M-9097-2016 OI Nakamura, Satoshi/0000-0002-7542-8859 FU U.S. Department of Energy, Office of Nuclear Physics Division [DE-AC02-06CH11357, DE-AC050-6OR23177]; Japan Society for the Promotion of Science [20540270]; Ministry of Education, Culture, Sports, Science, and Technology (MEXT) of Japan; Office of Science of the U. S. Department of Energy [DE-AC02-05CH11231] FX This work is supported by the U.S. Department of Energy, Office of Nuclear Physics Division, under Contract No. DE-AC02-06CH11357, and Contract No. DE-AC050-6OR23177 under which Jefferson Science Associates operates Jefferson Lab, and by the Japan Society for the Promotion of Science, Grant-in-Aid for Scientific Research (C) under Contract No. 20540270. H. K. acknowledges the support by the HPCI Strategic Program(Field 5 "The Origin of Matter and the Universe") of Ministry of Education, Culture, Sports, Science, and Technology (MEXT) of Japan. This research used resources of the National Energy Research Scientific Computing Center, which is supported by the Office of Science of the U. S. Department of Energy under Contract No. DE-AC02-05CH11231, and resources provided on "Fusion," a 320-node computing cluster operated by the Laboratory Computing Resource Center at Argonne National Laboratory. NR 70 TC 21 Z9 21 U1 0 U2 3 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 2470-0010 EI 2470-0029 J9 PHYS REV D JI Phys. Rev. D PD DEC 16 PY 2011 VL 84 IS 11 AR 114019 DI 10.1103/PhysRevD.84.114019 PG 20 WC Astronomy & Astrophysics; Physics, Particles & Fields SC Astronomy & Astrophysics; Physics GA 870AE UT WOS:000298640700002 ER PT J AU Kisslinger, LS Liu, MX McGaughey, P AF Kisslinger, Leonard S. Liu, Ming X. McGaughey, Patrick TI Heavy-quark-state production in p-p collisions SO PHYSICAL REVIEW D LA English DT Article ID P(P)OVER-BAR COLLISIONS; J/PSI; TEV AB We estimate the relative probabilities of Psi'(2S) to J/Psi production at BNL-RHIC and Gamma(nS) production at the LHC and Fermilab in p-p collisions, using our recent theory of mixed heavy-quark hybrids, in which the Psi'(2S) and Gamma(3S) mesons have approximately equal normal q (q) over bar and hybrid q (q) over barg components. C1 [Kisslinger, Leonard S.] Carnegie Mellon Univ, Dept Phys, Pittsburgh, PA 15213 USA. [Liu, Ming X.; McGaughey, Patrick] Los Alamos Natl Lab, Div Phys, Los Alamos, NM 87545 USA. RP Kisslinger, LS (reprint author), Carnegie Mellon Univ, Dept Phys, Pittsburgh, PA 15213 USA. OI Liu, Ming/0000-0002-5992-1221 FU Pittsburgh Foundation; DOE [W-7405-ENG-36, DE-FG02-97ER41014] FX This work was supported in part by a grant from the Pittsburgh Foundation, and in part by the DOE Contracts No. W-7405-ENG-36 and No. DE-FG02-97ER41014. NR 16 TC 14 Z9 14 U1 0 U2 0 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1550-7998 J9 PHYS REV D JI Phys. Rev. D PD DEC 16 PY 2011 VL 84 IS 11 AR 114020 DI 10.1103/PhysRevD.84.114020 PG 7 WC Astronomy & Astrophysics; Physics, Particles & Fields SC Astronomy & Astrophysics; Physics GA 870AE UT WOS:000298640700003 ER PT J AU Lees, JP Poireau, V Tisserand, V Tico, JG Grauges, E Martinelli, M Milanes, DA Palano, A Pappagallo, M Eigen, G Stugu, B Brown, DN Kerth, LT Kolomensky, YG Lynch, G Koch, H Schroeder, T Asgeirsson, DJ Hearty, C Mattison, TS McKenna, JA Khan, A Blinov, VE Buzykaev, AR Druzhinin, VP Golubev, VB Kravchenko, EA Onuchin, AP Serednyakov, SI Skovpen, YI Solodov, EP Todyshev, KY Yushkov, AN Bondioli, M Kirkby, D Lankford, AJ Mandelkern, M Stoker, DP Atmacan, H Gary, JW Liu, F Long, O Vitug, GM Campagnari, C Hong, TM Kovalskyi, D Richman, JD West, CA Eisner, AM Kroseberg, J Lockman, WS Martinez, AJ Schalk, T Schumm, BA Seiden, A Cheng, CH Doll, DA Echenard, B Flood, KT Hitlin, DG Ongmongkolkul, P Porter, FC Rakitin, AY Andreassen, R Dubrovin, MS Huard, Z Meadows, BT Sokoloff, MD Sun, L Bloom, PC Ford, WT Gaz, A Nagel, M Nauenberg, U Smith, JG Wagner, SR Ayad, R Toki, WH Spaan, B Kobel, MJ Prudent, X Schubert, KR Schwierz, R Bernard, D Verderi, M Clark, PJ Playfer, S Bettoni, D Bozzi, C Calabrese, R Cibinetto, G Fioravanti, E Garzia, I Luppi, E Munerato, M Negrini, M Piemontese, L Santoro, V Baldini-Ferroli, R Calcaterra, A de Sangro, R Finocchiaro, G Nicolaci, M Patteri, P Peruzzi, IM Piccolo, M Rama, M Zallo, A Contri, R Guido, E Lo Vetere, M Monge, MR Passaggio, S Patrignani, C Robutti, E Bhuyan, B Prasad, V Lee, CL Morii, M Edwards, AJ Adametz, A Marks, J Uwer, U Bernlochner, FU Ebert, M Lacker, HM Lueck, T Dauncey, PD Tibbetts, M Behera, PK Mallik, U Chen, C Cochran, J Meyer, WT Prell, S Rosenberg, EI Rubin, AE Gritsan, AV Guo, ZJ Arnaud, N Davier, M Grosdidier, G Le Diberder, F Lutz, AM Malaescu, B Roudeau, P Schune, MH Stocchi, A Wormser, G Lange, DJ Wright, DM Bingham, I Chavez, CA Coleman, JP Fry, JR Gabathuler, E Hutchcroft, DE Payne, DJ Touramanis, C Bevan, AJ Di Lodovico, F Sacco, R Sigamani, M Cowan, G Brown, DN Davis, CL Denig, AG Fritsch, M Gradl, W Hafner, A Prencipe, E Alwyn, KE Bailey, D Barlow, RJ Jackson, G Lafferty, GD Cenci, R Hamilton, B Jawahery, A Roberts, DA Simi, G Dallapiccola, C Cowan, R Dujmic, D Sciolla, G Lindemann, D Patel, PM Robertson, SH Schram, M Biassoni, P Lazzaro, A Lombardo, V Neri, N Palombo, F Stracka, S Cremaldi, L Godang, R Kroeger, R Sonnek, P Summers, DJ Nguyen, X Taras, P De Nardo, G Monorchio, D Onorato, G Sciacca, C Raven, G Snoek, HL Jessop, CP Knoepfel, KJ LoSecco, JM Wang, WF Honscheid, K Kass, R Brau, J Frey, R Sinev, NB Strom, D Torrence, E Feltresi, E Gagliardi, N Margoni, M Morandin, M Posocco, M Rotondo, M Simonetto, F Stroili, R Ben-Haim, E Bomben, M Bonneaud, GR Briand, H Calderini, G Chauveau, J Hamon, O Leruste, P Marchiori, G Ocariz, J Sitt, S Biasini, M Manoni, E Pacetti, S Rossi, A Angelini, C Batignani, G Bettarini, S Carpinelli, M Casarosa, G Cervelli, A Forti, F Giorgi, MA Lusiani, A Oberhof, B Paoloni, E Perez, A Rizzo, G Walsh, JJ Pegna, DL Lu, C Olsen, J Smith, AJS Telnov, AV Anulli, F Cavoto, G Faccini, R Ferrarotto, F Ferroni, F Gaspero, M Gioi, LL Mazzoni, MA Piredda, G Bunger, C Grunberg, O Hartmann, T Leddig, T Schroder, H Waldi, R Adye, T Olaiya, EO Wilson, FF Emery, S de Monchenault, GH Vasseur, G Yeche, C Aston, D Bard, DJ Bartoldus, R Cartaro, C Convery, MR Dorfan, J Dubois-Felsmann, GP Dunwoodie, W Field, RC Sevilla, MF Fulsom, BG Gabareen, AM Graham, MT Grenier, P Hast, C Innes, WR Kelsey, MH Kim, H Kim, P Kocian, ML Leith, DWGS Lewis, P Li, S Lindquist, B Luitz, S Luth, V Lynch, HL MacFarlane, DB Muller, DR Neal, H Nelson, S Ofte, I Perl, M Pulliam, T Ratcliff, BN Roodman, A Salnikov, AA Schindler, RH Snyder, A Su, D Sullivan, MK Va'vra, J Wagner, AP Weaver, M Wisniewski, WJ Wittgen, M Wright, DH Wulsin, HW Yarritu, AK Young, CC Ziegler, V Park, W Purohit, MV White, RM Wilson, JR Randle-Conde, A Sekula, SJ Bellis, M Benitez, JF Burchat, PR Miyashita, TS Alam, MS Ernst, JA Gorodeisky, R Guttman, N Peimer, DR Soffer, A Lund, P Spanier, SM Eckmann, R Ritchie, JL Ruland, AM Schilling, CJ Schwitters, RF Wray, BC Izen, JM Lou, XC Bianchi, F Gamba, D Lanceri, L Vitale, L Martinez-Vidal, F Oyanguren, A Ahmed, H Albert, J Banerjee, S Choi, HHF King, GJ Kowalewski, R Lewczuk, MJ Lindsay, C Nugent, IM Roney, JM Sobie, RJ Tasneem, N Gershon, TJ Harrison, PF Latham, TE Puccio, EMT Band, HR Dasu, S Pan, Y Prepost, R Wu, SL AF Lees, J. P. Poireau, V. Tisserand, V. Garra Tico, J. Grauges, E. Martinelli, M. Milanes, D. A. Palano, A. Pappagallo, M. Eigen, G. Stugu, B. Brown, D. N. Kerth, L. T. Kolomensky, Yu. G. Lynch, G. Koch, H. Schroeder, T. Asgeirsson, D. J. Hearty, C. Mattison, T. S. McKenna, J. A. Khan, A. Blinov, V. E. Buzykaev, A. R. Druzhinin, V. P. Golubev, V. B. Kravchenko, E. A. Onuchin, A. P. Serednyakov, S. I. Skovpen, Yu. I. Solodov, E. P. Todyshev, K. Yu. Yushkov, A. N. Bondioli, M. Kirkby, D. Lankford, A. J. Mandelkern, M. Stoker, D. P. Atmacan, H. Gary, J. W. Liu, F. Long, O. Vitug, G. M. Campagnari, C. Hong, T. M. Kovalskyi, D. Richman, J. D. West, C. A. Eisner, A. M. Kroseberg, J. Lockman, W. S. Martinez, A. J. Schalk, T. Schumm, B. A. Seiden, A. Cheng, C. H. Doll, D. A. Echenard, B. Flood, K. T. Hitlin, D. G. Ongmongkolkul, P. Porter, F. C. Rakitin, A. Y. Andreassen, R. Dubrovin, M. S. Huard, Z. Meadows, B. T. Sokoloff, M. D. Sun, L. Bloom, P. C. Ford, W. T. Gaz, A. Nagel, M. Nauenberg, U. Smith, J. G. Wagner, S. R. Ayad, R. Toki, W. H. Spaan, B. Kobel, M. J. Prudent, X. Schubert, K. R. Schwierz, R. Bernard, D. Verderi, M. Clark, P. J. Playfer, S. Bettoni, D. Bozzi, C. Calabrese, R. Cibinetto, G. Fioravanti, E. Garzia, I. Luppi, E. Munerato, M. Negrini, M. Piemontese, L. Santoro, V. Baldini-Ferroli, R. Calcaterra, A. de Sangro, R. Finocchiaro, G. Nicolaci, M. Patteri, P. Peruzzi, I. M. Piccolo, M. Rama, M. Zallo, A. Contri, R. Guido, E. Lo Vetere, M. Monge, M. R. Passaggio, S. Patrignani, C. Robutti, E. Bhuyan, B. Prasad, V. Lee, C. L. Morii, M. Edwards, A. J. Adametz, A. Marks, J. Uwer, U. Bernlochner, F. U. Ebert, M. Lacker, H. M. Lueck, T. Dauncey, P. D. Tibbetts, M. Behera, P. K. Mallik, U. Chen, C. Cochran, J. Meyer, W. T. Prell, S. Rosenberg, E. I. Rubin, A. E. Gritsan, A. V. Guo, Z. J. Arnaud, N. Davier, M. Grosdidier, G. Le Diberder, F. Lutz, A. M. Malaescu, B. Roudeau, P. Schune, M. H. Stocchi, A. Wormser, G. Lange, D. J. Wright, D. M. Bingham, I. Chavez, C. A. Coleman, J. P. Fry, J. R. Gabathuler, E. Hutchcroft, D. E. Payne, D. J. Touramanis, C. Bevan, A. J. Di Lodovico, F. Sacco, R. Sigamani, M. Cowan, G. Brown, D. N. Davis, C. L. Denig, A. G. Fritsch, M. Gradl, W. Hafner, A. Prencipe, E. Alwyn, K. E. Bailey, D. Barlow, R. J. Jackson, G. Lafferty, G. D. Cenci, R. Hamilton, B. Jawahery, A. Roberts, D. A. Simi, G. Dallapiccola, C. Cowan, R. Dujmic, D. Sciolla, G. Lindemann, D. Patel, P. M. Robertson, S. H. Schram, M. Biassoni, P. Lazzaro, A. Lombardo, V. Neri, N. Palombo, F. Stracka, S. Cremaldi, L. Godang, R. Kroeger, R. Sonnek, P. Summers, D. J. Nguyen, X. Taras, P. De Nardo, G. Monorchio, D. Onorato, G. Sciacca, C. Raven, G. Snoek, H. L. Jessop, C. P. Knoepfel, K. J. LoSecco, J. M. Wang, W. F. Honscheid, K. Kass, R. Brau, J. Frey, R. Sinev, N. B. Strom, D. Torrence, E. Feltresi, E. Gagliardi, N. Margoni, M. Morandin, M. Posocco, M. Rotondo, M. Simonetto, F. Stroili, R. Ben-Haim, E. Bomben, M. Bonneaud, G. R. Briand, H. Calderini, G. 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Muller, D. R. Neal, H. Nelson, S. Ofte, I. Perl, M. Pulliam, T. Ratcliff, B. N. Roodman, A. Salnikov, A. A. Schindler, R. H. Snyder, A. Su, D. Sullivan, M. K. Va'vra, J. Wagner, A. P. Weaver, M. Wisniewski, W. J. Wittgen, M. Wright, D. H. Wulsin, H. W. Yarritu, A. K. Young, C. C. Ziegler, V. Park, W. Purohit, M. V. White, R. M. Wilson, J. R. Randle-Conde, A. Sekula, S. J. Bellis, M. Benitez, J. F. Burchat, P. R. Miyashita, T. S. Alam, M. S. Ernst, J. A. Gorodeisky, R. Guttman, N. Peimer, D. R. Soffer, A. Lund, P. Spanier, S. M. Eckmann, R. Ritchie, J. L. Ruland, A. M. Schilling, C. J. Schwitters, R. F. Wray, B. C. Izen, J. M. Lou, X. C. Bianchi, F. Gamba, D. Lanceri, L. Vitale, L. Martinez-Vidal, F. Oyanguren, A. Ahmed, H. Albert, J. Banerjee, Sw. Choi, H. H. F. King, G. J. Kowalewski, R. Lewczuk, M. J. Lindsay, C. Nugent, I. M. Roney, J. M. Sobie, R. J. Tasneem, N. Gershon, T. J. Harrison, P. F. Latham, T. E. Puccio, E. M. T. Band, H. R. Dasu, S. Pan, Y. Prepost, R. Wu, S. L. CA BABAR Collaboration TI Branching fraction measurements of the color-suppressed decays (B)over-bar(0) to D-(*)0 pi(0), D-(*)0 eta, D-(*)0 omega, and D-(*)0 eta ' and measurement of the polarization in the decay (B)over-bar(0) -> D-(*)0 omega SO PHYSICAL REVIEW D LA English DT Article ID HEAVY-QUARK SYMMETRY; NONLEPTONIC B-DECAYS; CP-ASYMMETRIES; MESON DECAYS; VIOLATION; GAMMA; LIGHT AB We report updated branching fraction measurements of the color-suppressed decays (B) over bar (0) -> D-0 pi(0), D*(0)pi(0), D-0 eta, D*(0)eta, D-0 omega, D*(0)omega, D-0 eta', and D*(0)eta'. We measure the branching fractions (x 10(-4)): B((B) over bar (0) -> D-0 pi(0)) = 2.69 +/- 0.09 +/- 0.13, B((B) over bar (0) -> D-0 pi(0)) = 3.05 +/- 0.14 +/- 0.28, B((B) over bar (0) -> D-0 eta) = 2.53 +/- 0.09 +/- 0.11, B((B) over bar (0) -> D-0 eta) = 2.69 +/- 0.14 +/- 0.23, B((B) over bar (0) -> D-0 eta) = 2.57 +/- 0.11 +/- 0.14, B((B) over bar (0) -> D*(0)omega) = 4.55 +/- 0.24 +/- 0.39, B((B) over bar (0) -> D*(0)omega) = 1.48 +/- 0.13 +/- 0.07, and B((B) over bar (0) -> D*(0)eta') = 1.49 +/- 0.22 +/- 0.15. We also present the first measurement of the longitudinal polarization fraction of the decay channel D*(0)omega, f(L) = (66.5 +/- 4.7 +/- 1.5)%. In the above, the first uncertainty is statistical and the second is systematic. The results are based on a sample of (454 +/- 5) x 10(6) B (B) over bar pairs collected at the Gamma(4S) resonance, with the BABAR detector at the PEP-II storage rings at SLAC. The measurements are the most precise determinations of these quantities from a single experiment. They are compared to theoretical predictions obtained by factorization, Soft Collinear Effective Theory (SCET) and perturbative QCD (pQCD). We find that the presence of final state interactions is favored and the measurements are in better agreement with SCET than with pQCD. C1 [Lees, J. P.; Poireau, V.; Tisserand, V.] Univ Savoie, Lab Annecy Le Vieux Phys Particules LAPP, CNRS, IN2P3, F-74941 Annecy Le Vieux, France. [Garra Tico, J.; Grauges, E.] Univ Barcelona, Fac Fis, Dept ECM, E-08028 Barcelona, Spain. [Martinelli, M.; Milanes, D. A.; Palano, A.; Pappagallo, M.] Ist Nazl Fis Nucl, Sez Bari, Dipartimento Fis, I-70126 Bari, Italy. [Martinelli, M.; Palano, A.; Pappagallo, M.] Univ Bari, Dipartimento Fis, I-70126 Bari, Italy. [Eigen, G.; Stugu, B.] Univ Bergen, Inst Phys, N-5007 Bergen, Norway. [Brown, D. N.; Kerth, L. T.; Kolomensky, Yu. 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L.; Morii, M.] Harvard Univ, Cambridge, MA 02138 USA. [Edwards, A. J.] Harvey Mudd Coll, Claremont, CA 91711 USA. [Adametz, A.; Marks, J.; Uwer, U.] Heidelberg Univ, Inst Phys, D-69120 Heidelberg, Germany. [Bernlochner, F. U.; Ebert, M.; Lacker, H. M.; Lueck, T.] Univ Berlin, Inst Phys, D-12489 Berlin, Germany. [Dauncey, P. D.; Tibbetts, M.] Univ London Imperial Coll Sci Technol & Med, London SW7 2AZ, England. [Behera, P. K.; Mallik, U.] Univ Iowa, Iowa City, IA 52242 USA. [Chen, C.; Cochran, J.; Meyer, W. T.; Prell, S.; Rosenberg, E. I.; Rubin, A. E.] Iowa State Univ, Ames, IA 50011 USA. [Gritsan, A. V.; Guo, Z. J.] Johns Hopkins Univ, Baltimore, MD 21218 USA. [Arnaud, N.; Davier, M.; Grosdidier, G.; Le Diberder, F.; Lutz, A. M.; Malaescu, B.; Roudeau, P.; Schune, M. H.; Stocchi, A.; Wormser, G.] CNRS, IN2P3, Lab Accelerateur Lineaire, F-91898 Orsay, France. [Arnaud, N.; Davier, M.; Grosdidier, G.; Le Diberder, F.; Lutz, A. M.; Malaescu, B.; Roudeau, P.; Schune, M. 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[Dallapiccola, C.] Univ Massachusetts, Amherst, MA 01003 USA. [Cowan, R.; Dujmic, D.; Sciolla, G.] MIT, Nucl Sci Lab, Cambridge, MA 02139 USA. [Lindemann, D.; Patel, P. M.; Robertson, S. H.; Schram, M.] McGill Univ, Montreal, PQ H3A 2T8, Canada. [Biassoni, P.; Lazzaro, A.; Lombardo, V.; Neri, N.; Palombo, F.; Stracka, S.] Ist Nazl Fis Nucl, Sez Milano, Dipartimento Fis, I-20133 Milan, Italy. [Biassoni, P.; Lazzaro, A.; Neri, N.; Palombo, F.; Stracka, S.] Univ Milan, Dipartimento Fis, I-20133 Milan, Italy. [Cremaldi, L.; Godang, R.; Kroeger, R.; Sonnek, P.; Summers, D. J.] Univ Mississippi, University, MS 38677 USA. [Nguyen, X.; Taras, P.] Univ Montreal, Montreal, PQ H3C 3J7, Canada. [De Nardo, G.; Monorchio, D.; Onorato, G.; Sciacca, C.] Ist Nazl Fis Nucl, Sez Napoli, Dipartimento Sci Fis, I-80126 Naples, Italy. [De Nardo, G.; Monorchio, D.; Onorato, G.; Sciacca, C.] Univ Naples Federico II, Dipartimento Sci Fis, I-80126 Naples, Italy. [Raven, G.; Snoek, H. L.] Natl Inst Nucl Phys & High Energy Phys, NIKHEF, NL-1009 DB Amsterdam, Netherlands. [Jessop, C. P.; Knoepfel, K. J.; LoSecco, J. M.; Wang, W. F.] Univ Notre Dame, Notre Dame, IN 46556 USA. [Honscheid, K.; Kass, R.] Ohio State Univ, Columbus, OH 43210 USA. [Brau, J.; Frey, R.; Sinev, N. B.; Strom, D.; Torrence, E.] Univ Oregon, Eugene, OR 97403 USA. [Feltresi, E.; Gagliardi, N.; Margoni, M.; Morandin, M.; Posocco, M.; Rotondo, M.; Simonetto, F.; Stroili, R.] Ist Nazl Fis Nucl, Sez Padova, Dipartimento Fis, I-35131 Padua, Italy. [Feltresi, E.; Gagliardi, N.; Margoni, M.; Simonetto, F.; Stroili, R.] Univ Padua, Dipartimento Fis, I-35131 Padua, Italy. [Ben-Haim, E.; Bomben, M.; Bonneaud, G. R.; Briand, H.; Calderini, G.; Chauveau, J.; Hamon, O.; Leruste, Ph.; Marchiori, G.; Ocariz, J.; Sitt, S.] Univ Paris 07, Univ Paris 06, CNRS, IN2P3,Lab Phys Nucl & Hautes Energies, F-75252 Paris, France. [Biasini, M.; Manoni, E.; Pacetti, S.; Rossi, A.] Ist Nazl Fis Nucl, Sez Perugia, Dipartimento Fis, I-06100 Perugia, Italy. [Peruzzi, I. M.; Biasini, M.; Manoni, E.; Pacetti, S.; Rossi, A.] Univ Perugia, Dipartimento Fis, I-06100 Perugia, Italy. [Angelini, C.; Batignani, G.; Bettarini, S.; Carpinelli, M.; Casarosa, G.; Cervelli, A.; Forti, F.; Giorgi, M. A.; Lusiani, A.; Oberhof, B.; Paoloni, E.; Perez, A.; Rizzo, G.; Walsh, J. J.] Ist Nazl Fis Nucl, Sez Pisa, Dipartimento Fis, I-56127 Pisa, Italy. [Angelini, C.; Batignani, G.; Bettarini, S.; Carpinelli, M.; Casarosa, G.; Cervelli, A.; Forti, F.; Giorgi, M. A.; Oberhof, B.; Paoloni, E.; Perez, A.; Rizzo, G.] Univ Pisa, Dipartimento Fis, I-56127 Pisa, Italy. [Lusiani, A.] Scuola Normale Super Pisa, Dipartimento Fis, I-56127 Pisa, Italy. [Pegna, D. Lopes; Lu, C.; Olsen, J.; Smith, A. J. S.; Telnov, A. V.] Princeton Univ, Princeton, NJ 08544 USA. [Anulli, F.; Cavoto, G.; Faccini, R.; Ferrarotto, F.; Ferroni, F.; Gaspero, M.; Gioi, L. Li; Mazzoni, M. A.; Piredda, G.] Ist Nazl Fis Nucl, Sez Roma, Dipartimento Fis, I-00185 Rome, Italy. [Anulli, F.; Faccini, R.; Ferroni, F.; Gaspero, M.] Univ Roma La Sapienza, Dipartimento Fis, I-00185 Rome, Italy. [Buenger, C.; Gruenberg, O.; Hartmann, T.; Leddig, T.; Schroeder, H.; Waldi, R.] Univ Rostock, D-18051 Rostock, Germany. [Adye, T.; Olaiya, E. O.; Wilson, F. F.] Rutherford Appleton Lab, Didcot OX11 0QX, Oxon, England. [Emery, S.; de Monchenault, G. Hamel; Vasseur, G.; Yeche, Ch.] CEA, SPP, Ctr Saclay, F-91191 Gif Sur Yvette, France. [Aston, D.; Bard, D. J.; Bartoldus, R.; Cartaro, C.; Convery, M. R.; Dorfan, J.; Dubois-Felsmann, G. P.; Dunwoodie, W.; Field, R. C.; Sevilla, M. Franco; Fulsom, B. G.; Gabareen, A. M.; Graham, M. T.; Grenier, P.; Hast, C.; Innes, W. R.; Kelsey, M. H.; Kim, H.; Kim, P.; Kocian, M. L.; Leith, D. W. G. S.; Lewis, P.; Li, S.; Lindquist, B.; Luitz, S.; Luth, V.; Lynch, H. L.; MacFarlane, D. B.; Muller, D. R.; Neal, H.; Nelson, S.; Ofte, I.; Perl, M.; Pulliam, T.; Ratcliff, B. N.; Roodman, A.; Salnikov, A. A.; Schindler, R. H.; Snyder, A.; Su, D.; Sullivan, M. K.; Va'vra, J.; Wagner, A. P.; Weaver, M.; Wisniewski, W. J.; Wittgen, M.; Wright, D. H.; Wulsin, H. W.; Yarritu, A. K.; Young, C. C.; Ziegler, V.] SLAC Natl Accelerator Lab, Stanford, CA 94309 USA. [Park, W.; Purohit, M. V.; White, R. M.; Wilson, J. R.] Univ S Carolina, Columbia, SC 29208 USA. [Randle-Conde, A.; Sekula, S. J.] So Methodist Univ, Dallas, TX 75275 USA. [Bellis, M.; Benitez, J. F.; Burchat, P. R.; Miyashita, T. S.] Stanford Univ, Stanford, CA 94305 USA. [Alam, M. S.; Ernst, J. A.] SUNY Albany, Albany, NY 12222 USA. [Gorodeisky, R.; Guttman, N.; Peimer, D. R.; Soffer, A.] Tel Aviv Univ, Sch Phys & Astron, IL-69978 Tel Aviv, Israel. [Lund, P.; Spanier, S. M.] Univ Tennessee, Knoxville, TN 37996 USA. [Eckmann, R.; Ritchie, J. L.; Ruland, A. M.; Schilling, C. J.; Schwitters, R. F.; Wray, B. C.] Univ Texas Austin, Austin, TX 78712 USA. [Izen, J. M.; Lou, X. C.] Univ Texas Dallas, Richardson, TX 75083 USA. [Bianchi, F.; Gamba, D.] Ist Nazl Fis Nucl, Sez Torino, Dipartimento Fis Sperimentale, I-10125 Turin, Italy. [Bianchi, F.; Gamba, D.] Univ Turin, Dipartimento Fis Sperimentale, I-10125 Turin, Italy. [Lanceri, L.; Vitale, L.] Ist Nazl Fis Nucl, Sez Trieste, Dipartimento Fis, I-34127 Trieste, Italy. [Lanceri, L.; Vitale, L.] Univ Trieste, Dipartimento Fis, I-34127 Trieste, Italy. [Martinez-Vidal, F.; Oyanguren, A.] Univ Valencia, IFIC, CSIC, E-46071 Valencia, Spain. [Ahmed, H.; Albert, J.; Banerjee, Sw.; Choi, H. H. F.; King, G. J.; Kowalewski, R.; Lewczuk, M. J.; Lindsay, C.; Nugent, I. M.; Roney, J. M.; Sobie, R. J.; Tasneem, N.] Univ Victoria, Victoria, BC V8W 3P6, Canada. [Gershon, T. J.; Harrison, P. F.; Latham, T. E.; Puccio, E. M. T.] Univ Warwick, Dept Phys, Coventry CV4 7AL, W Midlands, England. [Band, H. R.; Dasu, S.; Pan, Y.; Prepost, R.; Wu, S. L.] Univ Wisconsin, Madison, WI 53706 USA. [Carpinelli, M.] Univ Sassari, I-07100 Sassari, Italy. RP Lees, JP (reprint author), Univ Savoie, Lab Annecy Le Vieux Phys Particules LAPP, CNRS, IN2P3, F-74941 Annecy Le Vieux, France. RI Kolomensky, Yury/I-3510-2015; Lo Vetere, Maurizio/J-5049-2012; Lusiani, Alberto/N-2976-2015; Lusiani, Alberto/A-3329-2016; Morandin, Mauro/A-3308-2016; Stracka, Simone/M-3931-2015; Di Lodovico, Francesca/L-9109-2016; Pappagallo, Marco/R-3305-2016; Calcaterra, Alessandro/P-5260-2015; Frey, Raymond/E-2830-2016; Neri, Nicola/G-3991-2012; Forti, Francesco/H-3035-2011; Rotondo, Marcello/I-6043-2012; de Sangro, Riccardo/J-2901-2012; Negrini, Matteo/C-8906-2014; Patrignani, Claudia/C-5223-2009; Monge, Maria Roberta/G-9127-2012; Oyanguren, Arantza/K-6454-2014; Luppi, Eleonora/A-4902-2015; White, Ryan/E-2979-2015; Kravchenko, Evgeniy/F-5457-2015; Calabrese, Roberto/G-4405-2015; Martinez Vidal, F*/L-7563-2014 OI Raven, Gerhard/0000-0002-2897-5323; Kolomensky, Yury/0000-0001-8496-9975; Lo Vetere, Maurizio/0000-0002-6520-4480; Lusiani, Alberto/0000-0002-6876-3288; Lusiani, Alberto/0000-0002-6876-3288; Morandin, Mauro/0000-0003-4708-4240; Stracka, Simone/0000-0003-0013-4714; Di Lodovico, Francesca/0000-0003-3952-2175; Pappagallo, Marco/0000-0001-7601-5602; Calcaterra, Alessandro/0000-0003-2670-4826; Frey, Raymond/0000-0003-0341-2636; Neri, Nicola/0000-0002-6106-3756; Forti, Francesco/0000-0001-6535-7965; Rotondo, Marcello/0000-0001-5704-6163; de Sangro, Riccardo/0000-0002-3808-5455; Negrini, Matteo/0000-0003-0101-6963; Patrignani, Claudia/0000-0002-5882-1747; Monge, Maria Roberta/0000-0003-1633-3195; Oyanguren, Arantza/0000-0002-8240-7300; Luppi, Eleonora/0000-0002-1072-5633; White, Ryan/0000-0003-3589-5900; Calabrese, Roberto/0000-0002-1354-5400; Martinez Vidal, F*/0000-0001-6841-6035 FU US Department of Energy; National Science Foundation; Natural Sciences and Engineering Research Council (Canada); Commissariat a l'Energie Atomique and Institut National de Physique Nucleaire et de Physique des Particules (France); Bundesministerium fur Bildung und Forschung and Deutsche Forschungsgemeinschaft (Germany); Istituto Nazionale di Fisica Nucleare (Italy); Foundation for Fundamental Research on Matter (The Netherlands); Research Council of Norway; Ministry of Education and Science of the Russian Federation; Ministerio de Ciencia e Innovacion (Spain); Science and Technology Facilities Council (United Kingdom); European Union; A. P. Sloan Foundation (USA); Binational Science Foundation (USA-Israel) FX We are grateful for the extraordinary contributions of our PEP-II colleagues in achieving the excellent luminosity and machine conditions that have made this work possible. The success of this project also relies critically on the expertise and dedication of the computing organizations that support BABAR. The collaborating institutions wish to thank SLAC for its support and the kind hospitality extended to them. This work is supported by the US Department of Energy and National Science Foundation, the Natural Sciences and Engineering Research Council (Canada), the Commissariat a l'Energie Atomique and Institut National de Physique Nucleaire et de Physique des Particules (France), the Bundesministerium fur Bildung und Forschung and Deutsche Forschungsgemeinschaft (Germany), the Istituto Nazionale di Fisica Nucleare (Italy), the Foundation for Fundamental Research on Matter (The Netherlands), the Research Council of Norway, the Ministry of Education and Science of the Russian Federation, Ministerio de Ciencia e Innovacion (Spain), and the Science and Technology Facilities Council (United Kingdom). Individuals have received support from the Marie-Curie IEF program (European Union), the A. P. Sloan Foundation (USA) and the Binational Science Foundation (USA-Israel). NR 62 TC 17 Z9 17 U1 2 U2 13 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 2470-0010 EI 2470-0029 J9 PHYS REV D JI Phys. Rev. D PD DEC 16 PY 2011 VL 84 IS 11 AR 112007 DI 10.1103/PhysRevD.84.112007 PG 25 WC Astronomy & Astrophysics; Physics, Particles & Fields SC Astronomy & Astrophysics; Physics GA 870AE UT WOS:000298640700001 ER PT J AU Tamboli, RA Hajri, T Jiang, AX Marks-Shulman, PA Williams, DB Clements, RH Melvin, W Bowen, BP Shyr, Y Abumrad, NN Flynn, CR AF Tamboli, Robyn A. Hajri, Tahar Jiang, Aixiang Marks-Shulman, Pamela A. Williams, D. Brandon Clements, Ronald H. Melvin, Willie Bowen, Benjamin P. Shyr, Yu Abumrad, Naji N. Flynn, Charles Robb TI Reduction in Inflammatory Gene Expression in Skeletal Muscle from Roux-en-Y Gastric Bypass Patients Randomized to Omentectomy SO PLOS ONE LA English DT Article ID INDUCED INSULIN-RESISTANCE; ORPHAN NUCLEAR RECEPTOR; VISCERAL ADIPOSE-TISSUE; MORBIDLY OBESE-PATIENTS; DISEASE RISK-FACTORS; FATTY ACYL-COAS; BARIATRIC SURGERY; WEIGHT-LOSS; ENERGY-EXPENDITURE; TRANSGENIC MICE AB Objectives: To examine the effects of Roux-en-Y gastric bypass (RYGB) surgery with and without laparoscopic removal of omental fat (omentectomy) on the temporal gene expression profiles of skeletal muscle. Design: Previously reported were the whole-body metabolic effects of a randomized, single-blinded study in patients receiving RYGB surgery stratified to receive or not receive omentectomy. In this follow up study we report on changes in skeletal muscle gene expression in a subset of 21 patients, for whom biopsies were collected preoperatively and at either 6 months or 12 months postoperatively. Methodology/Principal Findings: RNA isolated from skeletal muscle biopsies of 21 subjects (8 without omentectomy and 13 with omentectomy) taken before RYGB or at 6 and 12 months postoperatively were subjected to gene expression profiling via Exon 1.0 S/T Array and Taqman Low Density Array. Robust Multichip Analysis and gene enrichment data analysis revealed 84 genes with at least a 4-fold expression difference after surgery. At 6 and 12 months the RYGB with omentectomy group displayed a greater reduction in the expression of genes associated with skeletal muscle inflammation (ANKRD1, CDR1, CH25H, CXCL2, CX3CR1, IL8, LBP, NFIL3, SELE, SOCS3, TNFAIP3, and ZFP36) relative to the RYGB non-omentectomy group. Expressions of IL6 and CCL2 were decreased at all postoperative time points. There was differential expression of genes driving protein turnover (IGFN1, FBXW10) in both groups over time and increased expression of PAAF1 in the non-omentectomy group at 12 months. Evidence for the activation of skeletal muscle satellite cells was inferred from the up-regulation of HOXC10. The elevated post-operative expression of 22 small nucleolar RNAs and the decreased expression of the transcription factors JUNB, FOS, FOSB, ATF3 MYC, EGR1 as well as the orphan nuclear receptors NR4A1, NR4A2, NR4A3 suggest dramatic reorganizations at both the cellular and genetic levels. Conclusions/Significance: These data indicate that RYGB reduces skeletal muscle inflammation, and removal of omental fat further amplifies this response. C1 [Tamboli, Robyn A.; Hajri, Tahar; Marks-Shulman, Pamela A.; Williams, D. Brandon; Clements, Ronald H.; Melvin, Willie; Abumrad, Naji N.; Flynn, Charles Robb] Vanderbilt Univ, Sch Med, Dept Surg, Nashville, TN 37212 USA. [Jiang, Aixiang; Shyr, Yu] Vanderbilt Univ, Sch Med, Dept Canc Biostat, Nashville, TN 37212 USA. [Bowen, Benjamin P.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Div Life Sci, Dept GTL Bioenergy & Struct Biol, Berkeley, CA 94720 USA. RP Tamboli, RA (reprint author), Vanderbilt Univ, Sch Med, Dept Surg, Nashville, TN 37212 USA. EM robb.flynn@vanderbilt.edu RI Flynn, Charles/M-3895-2015; DE SOUZA, AGLECIO/Q-4056-2016 OI Flynn, Charles/0000-0002-3749-0598; FU Vanderbilt Ingram Cancer Center [P30 CA68485]; Vanderbilt Digestive Disease Center [P30 DK58404]; Vanderbilt Vision Center [P30 EY08126]; National Institutes of Health [R01 DK70860]; Vanderbilt Clinical and Translational Science Award [UL1 RR024975]; Vanderbilt Diabetes Research and Training Center [P30 DK020593]; Vanderbilt Digestive Disease Research Center [P30 DK058404] FX All microarray experiments were performed in the Vanderbilt Functional Genomics Shared Resource, which is supported by the Vanderbilt Ingram Cancer Center (P30 CA68485), the Vanderbilt Digestive Disease Center (P30 DK58404) and the Vanderbilt Vision Center (P30 EY08126). Funding support was from the following National Institutes of Health grants: R01 DK70860 to NNA; UL1 RR024975 (Vanderbilt Clinical and Translational Science Award), P30 DK020593 (Vanderbilt Diabetes Research and Training Center) and P30 DK058404 (Vanderbilt Digestive Disease Research Center). The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript. NR 80 TC 10 Z9 11 U1 2 U2 9 PU PUBLIC LIBRARY SCIENCE PI SAN FRANCISCO PA 185 BERRY ST, STE 1300, SAN FRANCISCO, CA 94107 USA SN 1932-6203 J9 PLOS ONE JI PLoS One PD DEC 16 PY 2011 VL 6 IS 12 AR e28577 DI 10.1371/journal.pone.0028577 PG 18 WC Multidisciplinary Sciences SC Science & Technology - Other Topics GA 870JD UT WOS:000298664400010 PM 22194858 ER PT J AU He, JB Lin, XM Divan, R Jaeger, HM AF He, Jinbo Lin, Xiao-Min Divan, Ralu Jaeger, Heinrich M. TI In-Situ Partial Sintering of Gold-Nanoparticle Sheets for SERS Applications SO SMALL LA English DT Article DE gold; nanoparticles; Raman spectroscopy; self-assembly; SERS ID ENHANCED RAMAN-SCATTERING; SILVER ELECTRODE; SPECTROSCOPY; ARRAYS; MEMBRANES; PYRIDINE; SPECTRA; MOLECULES; GAPS AB A new, versatile substrate design for surface-enhanced Raman spectroscopy (SERS) is introduced that provides better illumination and collection efficiency than other solid substrates. It uses sheets of 5 nm diameter gold nanoparticles that are draped by drying-mediated self-assembly onto 100 nm thick silicon nitride membranes. During laser illumination, partial in-situ sintering of the nanoparticles into larger structures with tiny gaps (=2 nm) greatly increases the SERS enhancement factor. The detection of 1 pM of p-mercaptoaniline and 1 fg of 2,4-dinitrotoluene is demonstrated. The use of self-assembled nanoparticle sheets furthermore makes it possible to perform SERS detection in situ on top of a probe solution droplet. C1 [He, Jinbo; Jaeger, Heinrich M.] Univ Chicago, James Franck Inst, Chicago, IL 60637 USA. [Lin, Xiao-Min; Divan, Ralu] Argonne Natl Lab, Ctr Nanoscale Mat, Argonne, IL 60439 USA. RP Jaeger, HM (reprint author), Univ Chicago, James Franck Inst, 5640 S Ellis Ave, Chicago, IL 60637 USA. EM h-jaeger@uchicago.edu FU NSF [DMR-0907075, DMR-0820054]; U.S. Department of Energy (DOE), BES-Materials Sciences [DE-AC02-06CH11357]; DOE Center for Nanoscale Materials FX We thank Dr. David Gosztola at the Center for Nanoscale Materials, Argonne National Laboratory, for help with the SERS measurements. This work was supported by the NSF through DMR-0907075. The Chicago MRSEC, supported by the NSF under DMR-0820054, is gratefully acknowledged for access to its shared experimental facilities. The work at Argonne was supported by the U.S. Department of Energy (DOE), BES-Materials Sciences, under Contract # DE-AC02-06CH11357, and by the DOE Center for Nanoscale Materials. NR 38 TC 5 Z9 5 U1 2 U2 41 PU WILEY-V C H VERLAG GMBH PI WEINHEIM PA BOSCHSTRASSE 12, D-69469 WEINHEIM, GERMANY SN 1613-6810 J9 SMALL JI Small PD DEC 16 PY 2011 VL 7 IS 24 BP 3487 EP 3492 DI 10.1002/smll.201101534 PG 6 WC Chemistry, Multidisciplinary; Chemistry, Physical; Nanoscience & Nanotechnology; Materials Science, Multidisciplinary; Physics, Applied; Physics, Condensed Matter SC Chemistry; Science & Technology - Other Topics; Materials Science; Physics GA 865GF UT WOS:000298298300011 PM 22021074 ER PT J AU Vivero-Escoto, JL Taylor-Pashow, KML Huxford, RC Della Rocca, J Okoruwa, C An, HY Lin, WL Lin, WB AF Vivero-Escoto, Juan L. Taylor-Pashow, Kathryn M. L. Huxford, Rachel C. Della Rocca, Joseph Okoruwa, Christie An, Hongyu Lin, Weili Lin, Wenbin TI Multifunctional Mesoporous Silica Nanospheres with Cleavable Gd(III) Chelates as MRI Contrast Agents: Synthesis, Characterization, Target-Specificity, and Renal Clearance SO SMALL LA English DT Article DE contrast agents; silica nanospheres; biodegradable; magnetic resonance imaging; target-specific nanoparticles ID NEPHROGENIC SYSTEMIC FIBROSIS; METAL-ORGANIC FRAMEWORKS; DRUG-DELIVERY; NANOPARTICLES; PHARMACOKINETICS; BIODISTRIBUTION; NANOMATERIALS; COMPLEXES; PROTEINS; CANCER AB Mesoporous silica nanospheres (MSNs) are a promising material for magnetic resonance imaging (MRI) contrast agents. In this paper multifunctional MSNs with cleavable Gd(III) chelates are synthesized and characterized, and their applicability as MRI contrast agents is demonstrated both in vitro and in vivo. The MSNs contain Gd(III) chelates that are covalently linked via a redox-responsive disulfide moiety. The MSNs are further functionalized with polyethylene glycol (PEG) and an anisamide ligand to improve their biocompatibility and target specificity. The effectiveness of MSNs as an MRI imaging contrast agent and their targeting ability are successfully demonstrated in vitro using human colon adenocarcinoma and pancreatic cancer cells. Finally, the capability of this platform as an in vivo MRI contrast agent is tested using a 3T scanner. The Gd(III) chelate was quickly cleaved by the blood pool thiols and eliminated through the renal excretion pathway. Further tuning of the Gd(III) chelate release kinetics is needed before the MSN system can be used as target-specific MRI contrast agents in vivo. C1 [Vivero-Escoto, Juan L.; Huxford, Rachel C.; Della Rocca, Joseph; Okoruwa, Christie; Lin, Wenbin] Univ N Carolina, Dept Chem, Chapel Hill, NC 27599 USA. [Taylor-Pashow, Kathryn M. L.] Savannah River Natl Lab, Aiken, SC 29808 USA. [An, Hongyu] Univ N Carolina, Dept Radiol, Chapel Hill, NC 27599 USA. RP Lin, WB (reprint author), Univ N Carolina, Dept Chem, CB 3290, Chapel Hill, NC 27599 USA. EM wlin@email.unc.edu RI Lin, Wenbin/B-4151-2010; Vivero-Escoto, Juan/I-8015-2014 OI Lin, Wenbin/0000-0001-7035-7759; FU NCI [U01-CA151455, U54-151652]; Carolina Postdoctoral Program for Faculty Diversity FX K.M.L.T.-P and J.L.V.-E contributed equally to this work. This work was supported by the NCI (U01-CA151455 and U54-151652). The authors thank the staff of the Biomedical Research Imaging Center at UNC-Chapel Hill for helping with the in vivo MRI studies. J.L.V.-E thanks the Carolina Postdoctoral Program for Faculty Diversity for a postdoctoral fellowship. NR 42 TC 55 Z9 56 U1 9 U2 116 PU WILEY-BLACKWELL PI MALDEN PA COMMERCE PLACE, 350 MAIN ST, MALDEN 02148, MA USA SN 1613-6810 J9 SMALL JI Small PD DEC 16 PY 2011 VL 7 IS 24 BP 3519 EP 3528 DI 10.1002/smll.201100521 PG 10 WC Chemistry, Multidisciplinary; Chemistry, Physical; Nanoscience & Nanotechnology; Materials Science, Multidisciplinary; Physics, Applied; Physics, Condensed Matter SC Chemistry; Science & Technology - Other Topics; Materials Science; Physics GA 865GF UT WOS:000298298300015 PM 22069305 ER PT J AU Zhang, Y Hanifi, D Alvarez, S Antonio, F Pun, A Klivansky, LM Hexemer, A Ma, BW Liu, Y AF Zhang, Yue Hanifi, David Alvarez, Steven Antonio, Francisco Pun, Andrew Klivansky, Liana M. Hexemer, Alexander Ma, Biwu Liu, Yi TI Charge Transport Anisotropy in n-Type Disk-Shaped Triphenylene-Tris(aroyleneimidazole)s SO ORGANIC LETTERS LA English DT Article ID DISCOTIC LIQUID-CRYSTALS; FIELD-EFFECT TRANSISTORS; HIGH-ELECTRON-MOBILITY; DIIMIDE SEMICONDUCTORS; CONTORTED HEXABENZOCORONENES; TETRACARBOXYLIC DIIMIDE; SOLAR-CELLS; TRIPHENYLENE; PHTHALOCYANINE; CHEMISTRY AB Two novel n-type disk-shaped molecules containing a triphenylene core and three fused naphthaleneimide imidazole or peryleneimide imidazole "arms" are synthesized and characterized. The n-type charge carrier mobilities of these molecules are evaluated by both field effect transistors and space-charge limited-current measurements, which exhibit drastically different mobility anisotropy. A strong correlation between film morphology and the charge transport behavior is established by X-ray scattering and atomic force microscopic analyses. C1 [Zhang, Yue; Hanifi, David; Antonio, Francisco; Pun, Andrew; Klivansky, Liana M.; Ma, Biwu; Liu, Yi] Lawrence Berkeley Natl Lab, Mol Foundry, Berkeley, CA 94720 USA. [Alvarez, Steven; Hexemer, Alexander] Lawrence Berkeley Natl Lab, Adv Light Source, Berkeley, CA 94720 USA. RP Ma, BW (reprint author), Lawrence Berkeley Natl Lab, Mol Foundry, 1 Cyclotron Rd, Berkeley, CA 94720 USA. EM bwma@lbl.gov; yliu@lbl.gov RI Ma, Biwu/B-6943-2012; Liu, yi/A-3384-2008; Zhang, Yue/D-5090-2013 OI Liu, yi/0000-0002-3954-6102; FU Office of Science, Office of Basic Energy Sciences, Scientific User Facilities Division, of the U.S. Department of Energy [DE-AC02-05CH11231] FX This work was performed at the Molecular Foundry, and the X-ray scattering experiment was performed at the Advanced Light Source, Lawrence Berkeley National Laboratory, both supported by the Office of Science, Office of Basic Energy Sciences, Scientific User Facilities Division, of the U.S. Department of Energy under Contract No. DE-AC02-05CH11231. NR 51 TC 22 Z9 22 U1 3 U2 36 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 1523-7060 J9 ORG LETT JI Org. Lett. PD DEC 16 PY 2011 VL 13 IS 24 BP 6528 EP 6531 DI 10.1021/ol202814y PG 4 WC Chemistry, Organic SC Chemistry GA 857KQ UT WOS:000297717800051 PM 22082278 ER PT J AU Semonin, OE Luther, JM Choi, S Chen, HY Gao, JB Nozik, AJ Beard, MC AF Semonin, Octavi E. Luther, Joseph M. Choi, Sukgeun Chen, Hsiang-Yu Gao, Jianbo Nozik, Arthur J. Beard, Matthew C. TI Peak External Photocurrent Quantum Efficiency Exceeding 100% via MEG in a Quantum Dot Solar Cell SO SCIENCE LA English DT Article ID MULTIPLE EXCITON GENERATION; CARRIER-MULTIPLICATION; SEMICONDUCTOR NANOCRYSTALS; PBSE; FILMS; PHOTODIODES; PROSPECTS AB Multiple exciton generation (MEG) is a process that can occur in semiconductor nanocrystals, or quantum dots (QDs), whereby absorption of a photon bearing at least twice the bandgap energy produces two or more electron-hole pairs. Here, we report on photocurrent enhancement arising from MEG in lead selenide (PbSe) QD-based solar cells, as manifested by an external quantum efficiency (the spectrally resolved ratio of collected charge carriers to incident photons) that peaked at 114 +/- 1% in the best device measured. The associated internal quantum efficiency (corrected for reflection and absorption losses) was 130%. We compare our results with transient absorption measurements of MEG in isolated PbSe QDs and find reasonable agreement. Our findings demonstrate that MEG charge carriers can be collected in suitably designed QD solar cells, providing ample incentive to better understand MEG within isolated and coupled QDs as a research path to enhancing the efficiency of solar light harvesting technologies. C1 [Semonin, Octavi E.; Luther, Joseph M.; Choi, Sukgeun; Chen, Hsiang-Yu; Gao, Jianbo; Nozik, Arthur J.; Beard, Matthew C.] Natl Renewable Energy Lab, Golden, CO 80401 USA. [Semonin, Octavi E.] Univ Colorado, Dept Phys, Boulder, CO 80309 USA. [Gao, Jianbo] Univ Toledo, Dept Phys & Astron, Toledo, OH 43606 USA. [Nozik, Arthur J.] Univ Colorado, Dept Chem & Biochem, Boulder, CO 80309 USA. RP Nozik, AJ (reprint author), Natl Renewable Energy Lab, 1617 Cole Blvd, Golden, CO 80401 USA. EM arthur.nozik@nrel.gov; matt.beard@nrel.gov RI GAO, JIANBO/A-3923-2011; GAO, JIANBO/A-1633-2014; Choi, Sukgeun/J-2345-2014; Nozik, Arthur/A-1481-2012; Nozik, Arthur/P-2641-2016; OI Semonin, Octavi Escala/0000-0002-4262-6955; BEARD, MATTHEW/0000-0002-2711-1355 FU Center for Advanced Solar Photophysics, an Energy Frontier Research Center; U.S. Department of Energy (DOE), Office of Science, Office of Basic Energy Sciences (BES); DOE [DE-AC36-08GO28308] FX We thank M. C. Hanna, K. Emery, B. K. Hughes, K. S. Mistry, and M. R. Bergren for helpful discussions and B. To for SEM imaging. This work was supported by the Center for Advanced Solar Photophysics, an Energy Frontier Research Center funded by the U.S. Department of Energy (DOE), Office of Science, Office of Basic Energy Sciences (BES). DOE funding was provided to the National Renewable Energy Laboratory (NREL) through contract DE-AC36-08GO28308. NREL has filed a patent related to this work. NR 32 TC 689 Z9 697 U1 47 U2 582 PU AMER ASSOC ADVANCEMENT SCIENCE PI WASHINGTON PA 1200 NEW YORK AVE, NW, WASHINGTON, DC 20005 USA SN 0036-8075 J9 SCIENCE JI Science PD DEC 16 PY 2011 VL 334 IS 6062 BP 1530 EP 1533 DI 10.1126/science.1209845 PG 4 WC Multidisciplinary Sciences SC Science & Technology - Other Topics GA 862LE UT WOS:000298091400046 PM 22174246 ER PT J AU Gan, LJ Xia, K Chen, JG Wang, SC AF Gan, Lijun Xia, Kai Chen, Jin-Gui Wang, Shucai TI Functional characterization of TRICHOMELESS2, a new single-repeat R3 MYB transcription factor in the regulation of trichome patterning in Arabidopsis SO BMC PLANT BIOLOGY LA English DT Article ID EPIDERMAL-CELL DIFFERENTIATION; BHLH PROTEINS; ROOT; GENE; CAPRICE; TRIPTYCHON; INITIATION; ENCODES; GLABRA2; TRY AB Background: Single-repeat R3 MYB transcription factors (single-repeat MYBs) play important roles in controlling trichome patterning in Arabidopsis. It was proposed that single-repeat MYBs negatively regulate trichome formation by competing with GLABRA1 (GL1) for binding GLABRA3/ENHANCER OF GLABRA3 (GL3/EGL3), thus inhibiting the formation of activator complex TTG1(TRANSPARENT TESTA GLABRA1) GL3/EGL3 GL1 that is required for the activation of GLABRA2 (GL2), whose product is a positive regulator of trichome formation. Previously we identified a novel single-repeat MYB transcription factor, TRICHOMELESS1 (TCL1), which negatively regulates trichome formation on the inflorescence stems and pedicels by directly suppressing the expression of GL1. Results: We analyzed here the role of TRICHOMELESS2 (TCL2), a previously-uncharacterized single-repeat MYB transcription factor in trichome patterning in Arabidopsis. We showed that TCL2 is closely related to TCL1, and like TCL1 and other single-repeat MYBs, TCL2 interacts with GL3. Overexpression of TCL2 conferred glabrous phenotype while knockdown of TCL2 via RNAi induced ectopic trichome formation on the inflorescence stems and pedicels, a phenotype that was previously observed in tcl1 mutants. These results suggested that TCL2 may have overlapping function with TCL1 in controlling trichome formation on inflorescences. On the other hand, although the transcription of TCL2, like TCL1, is not controlled by the activator complex formed by GL1 and GL3, and TCL2 and TCL1 proteins are more than 80% identical at the amino acid level, the expression of TCL2 under the control of TCL1 promoter only partially recovered the mutant phenotype of tcl1, implying that TCL2 and TCL1 are not fully functional equivalent. Conclusions: TCL2 function redundantly with TCL1 in controlling trichome formation on inflorescences, but they are not fully functional equivalent. Transcription of TCL2 is not controlled by activator complex formed by GL1 and GL3, but MIR156 controlled SQUAMOSA PROMOTER BINDING PROTEIN LIKE (SPL) transcription factors. However, SPLs might require co-activators to regulate the expression of their target genes, including TCL1, TRY and possibly, TCL2. C1 [Wang, Shucai] NE Normal Univ, Key Lab Mol Epigenet MOE, Changchun 130024, Peoples R China. [Wang, Shucai] NE Normal Univ, Inst Cytol & Genet, Changchun 130024, Peoples R China. [Gan, Lijun; Xia, Kai] Nanjing Agr Univ, Coll Life Sci, Nanjing 210095, Jiangsu, Peoples R China. [Chen, Jin-Gui] Oak Ridge Natl Lab, Biosci Div, Oak Ridge, TN 37831 USA. [Gan, Lijun; Chen, Jin-Gui; Wang, Shucai] Univ British Columbia, Dept Bot, Vancouver, BC V6T 1Z4, Canada. RP Wang, SC (reprint author), NE Normal Univ, Key Lab Mol Epigenet MOE, Changchun 130024, Peoples R China. EM wangshucai@yahoo.com RI Chen, Jin-Gui/A-4773-2011 OI Chen, Jin-Gui/0000-0002-1752-4201 FU National Natural Science Foundation of China [31170262]; Northeast Normal University; Oak Ridge National Laboratory; U.S. Department of Energy [DE-AC05-00OR22725] FX We thank Dr. Jia Wei Wang and Dr. Detlef Weigel for sharing seeds of the 35S:MIR156 transgenic plants, ABRC for T-DNA insertion lines, and Dr. Shawn Mansfield for providing pHANNIBAL and pART27 vectors. Support for this research was provided by the National Natural Science Foundation of China (grant no. 31170262) and the startup funds from Northeast Normal University to S. W., and by the Laboratory Directed Research and Development Program of Oak Ridge National Laboratory. Oak Ridge National Laboratory is managed by UT-Battelle, LLC, for the U.S. Department of Energy under contract DE-AC05-00OR22725. NR 36 TC 34 Z9 40 U1 2 U2 36 PU BIOMED CENTRAL LTD PI LONDON PA 236 GRAYS INN RD, FLOOR 6, LONDON WC1X 8HL, ENGLAND SN 1471-2229 J9 BMC PLANT BIOL JI BMC Plant Biol. PD DEC 15 PY 2011 VL 11 AR 176 DI 10.1186/1471-2229-11-176 PG 12 WC Plant Sciences SC Plant Sciences GA 891YS UT WOS:000300253600001 PM 22168948 ER PT J AU LaVigne, M Hill, TM Spero, HJ Guilderson, TP AF LaVigne, Michele Hill, Tessa M. Spero, Howard J. Guilderson, Thomas P. TI Bamboo coral Ba/Ca: Calibration of a new deep ocean refractory nutrient proxy SO EARTH AND PLANETARY SCIENCE LETTERS LA English DT Article DE deep-sea corals; Ba/Ca; barium; silicate; intermediate waters; climate ID WESTERN NORTH-ATLANTIC; PRIMNOA-RESEDAEFORMIS; BARIUM UPTAKE; NEW-ZEALAND; SEA CORALS; SKELETAL COMPOSITION; MEDITERRANEAN SEA; MASS-SPECTROMETRY; ICP-MS; WATER AB It is poorly understood how intermediate water masses are affected by decadal scale climate via biogeochemical cycling, export production, and changes in circulation/ventilation. To this end, a geochemical nutrient proxy from deep-sea bamboo corals would provide decadal to centennial scale records of deep and intermediate-water nutrient dynamics. Seawater barium (Ba-SW) has a nutrient-like distribution in the water-column (similar to silicate), so Ba/Ca records in foraminifera, shallow water surface corals, and other deep-sea corals have been used to trace refractory nutrients. Here we present the first calibration of a nutrient proxy from skeletal barium preserved in the calcitic internodes of deep-sea bamboo corals, collected from intermediate water depths. A calibration was calculated from a broadly distributed suite of Isidella and Keratoisis corals spanning a silicate and Ba-SW gradient (n=33 corals; 300-2800 m): Ba/Ca-bamboo (coral)(mu mol/mol) = (0.079 +/- 0.008) * Ba-SW(nmol/kg) + (4.205 +/- 0.870) (r(2) = 0.77; n = 33) The strong linear correlation between Ba/Ca-bamboo coral and Ba-SW suggests that coral Ba/Ca is a reliable recorder of seawater barium (and, therefore, silicate). We find a distribution coefficient (D-Ba) for Ba/Ca-bamboo coral of 1.3 +/- 02, similar to that of other corals (surface and deep-sea dwelling) and inorganic calcium carbonate precipitation experiments (D-Ba = 1.2-1.5). This suggests that Ba incorporation is primarily driven by cationic substitution in bamboo corals and holds promise as a globally applicable refractory nutrient proxy. We find interannual-decadal scale variability in a Ba/Ca-bamboo coral timeseries from a California Margin coral (San Juan Seamount; 1295 m). These data suggest that additional high-resolution Ba/Ca-bamboo coral records may reveal a connection between regional-scale intermediate water biogeochemistry and low-latitude surface ocean/atmospheric climate. (C) 2011 Elsevier B.V. All rights reserved. C1 [LaVigne, Michele; Hill, Tessa M.] Univ Calif Davis, Bodega Marine Lab, Bodega Bay, CA 94923 USA. [LaVigne, Michele; Hill, Tessa M.; Spero, Howard J.] Univ Calif Davis, Dept Geol, Davis, CA 95616 USA. [Guilderson, Thomas P.] Lawrence Livermore Natl Lab, Ctr Accelerator Mass Spectrometry, Livermore, CA 94550 USA. [Guilderson, Thomas P.] Univ Calif Santa Cruz, Inst Marine Sci, Santa Cruz, CA 95064 USA. RP LaVigne, M (reprint author), Univ Calif Davis, Bodega Marine Lab, 2099 Westside Rd, Bodega Bay, CA 94923 USA. EM mglavigne@ucdavis.edu OI Spero, Howard/0000-0001-5465-8607 FU NOAA [NA030AR4300104]; NSF [OCE 0647872]; U.S. Department of Energy [DE-AC52-07NA27344] FX We thank MBARI, the crew and scientific parties of the R/V Western Flyer, and R/V Atlantis for coral sample collection. The California Academy of Sciences (G. Williams and B. Vansyoc), A. C. Newmann, M. Bracken, C. Ross and R. Williams provided additional coral samples. We thank E. Anagnostou, D. Sinclair, R. Dunbar, and J. Kimball for discussions and D. Tollstrup, J. Wimpenny, J. Hosfelt, Q. Yin, and L. Jacobs for analytical assistance. We appreciate the constructive and positive comments from three anonymous reviewers that improved the quality of this manuscript. California seamount sampling and geochemical analyses were supported by NOAA West Coast Polar Regions Research Program (NA030AR4300104 to TMH and HJS) and NSF (OCE 0647872 to TMH). A portion of this work was performed under the auspices of the U.S. Department of Energy by Lawrence Livermore National Laboratory under Contract DE-AC52-07NA27344. This is a contribution of UC Davis Bodega Marine Laboratory. NR 63 TC 14 Z9 14 U1 2 U2 33 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 0012-821X EI 1385-013X J9 EARTH PLANET SC LETT JI Earth Planet. Sci. Lett. PD DEC 15 PY 2011 VL 312 IS 3-4 BP 506 EP 515 DI 10.1016/j.epsl.2011.10.013 PG 10 WC Geochemistry & Geophysics SC Geochemistry & Geophysics GA 880ID UT WOS:000299399900025 ER PT J AU Costantini, JM Beuneu, F Morrison-Smith, S Devanathan, R Weber, WJ AF Costantini, Jean-Marc Beuneu, Francois Morrison-Smith, Sarah Devanathan, Ram Weber, William J. TI Paramagnetic defects in electron-irradiated yttria-stabilized zirconia: Effect of yttria content SO JOURNAL OF APPLIED PHYSICS LA English DT Article ID THRESHOLD DISPLACEMENT ENERGIES; CHARGED-PARTICLE IRRADIATIONS; MOLECULAR-DYNAMICS SIMULATION; COMPUTER-SIMULATION; CERAMICS; CENTERS; IONS; UO2; EPR; MGO AB We have studied the effect of the yttria content on the paramagnetic centers in electron-irradiated yttria-stabilized zirconia (ZrO(2): Y(3+)) or YSZ. Single crystals with 9.5 mol % or 18 mol % Y(2)O(3) were irradiated with electrons of 1.0, 1.5, 2.0, and 2.5 MeV. The paramagnetic center production was studied by X-band electron paramagnetic resonance (EPR) spectroscopy. The same paramagnetic centers were identified for both chemical compositions, namely two electron centers, i.e., (i) F(+)-type centers (involving singly ionized oxygen vacancies), and (ii) so-called T centers (Zr(3+) in a trigonal symmetry site), as well as hole-centers. A strong effect is observed on the production of hole-centers that is strongly enhanced when doubling the yttria content. However, no striking effect is found on the electron centers (except the enhancement of an extra line associated with the F(+)-type centers). It is concluded that hole-centers are produced by inelastic interactions, whereas F(+)-type centers are produced by elastic collisions with no effect of the yttria content on the defect production rate. In the latter case, the threshold displacement energy (E(d)) of oxygen is estimated from the electron-energy dependence of the F(+)-type center production rate, with no significant effect of the yttria content on E(d). An E(d) value larger than 120 eV is found. This is supported by classical molecular dynamics (MD) simulations with a Buckingham-type potential that show E(d) values for Y and O are likely to be in excess of 200 eV. Due to the difficulty in displacing O or Y atoms, the radiation-induced defects may alternatively be a result of Zr atom displacements for E(d) = 80 +/- 1eV with subsequent defect rearrangement. (C) 2011 American Institute of Physics. [doi: 10.1063/1.3666062] C1 [Costantini, Jean-Marc] CEA, DMN, SRMA, F-91191 Gif Sur Yvette, France. [Beuneu, Francois] Ecole Polytech, CNRS, CEA, LSI, F-91128 Palaiseau, France. [Morrison-Smith, Sarah] Montana State Univ, Bozeman, MT 59717 USA. [Devanathan, Ram] Pacific NW Natl Lab, Richland, WA 99352 USA. [Weber, William J.] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA. [Weber, William J.] Univ Tennessee, Knoxville, TN 37996 USA. RP Costantini, JM (reprint author), CEA, DMN, SRMA, F-91191 Gif Sur Yvette, France. EM jean-marc.costantini@cea.fr RI Weber, William/A-4177-2008; Devanathan, Ram/C-7247-2008 OI Weber, William/0000-0002-9017-7365; Devanathan, Ram/0000-0001-8125-4237 FU U.S. Department of Energy (DOE), Office of Basic Energy Sciences; DOE; DOE's Office of Biological and Environmental Research at Pacific Northwest National Laboratory FX The authors are indebted to the late Professor A. M. Stoneham (University College London, UK) for fruitful discussions and advice. R. Devanathan and W. J. Weber were supported by the U.S. Department of Energy (DOE), Office of Basic Energy Sciences. S. Morrison-Smith was supported by the DOE Summer Undergraduate Laboratory Internship Program. A portion of this research was performed using EMSL, a national scientific user facility sponsored by DOE's Office of Biological and Environmental Research and located at Pacific Northwest National Laboratory. NR 43 TC 13 Z9 13 U1 2 U2 19 PU AMER INST PHYSICS PI MELVILLE PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1, MELVILLE, NY 11747-4501 USA SN 0021-8979 J9 J APPL PHYS JI J. Appl. Phys. PD DEC 15 PY 2011 VL 110 IS 12 AR 123506 DI 10.1063/1.3666062 PG 9 WC Physics, Applied SC Physics GA 869ZV UT WOS:000298639800020 ER PT J AU Mayer, MA Choi, S Bierwagen, O Smith, HM Haller, EE Speck, JS Walukiewicz, W AF Mayer, Marie A. Choi, Soojeong Bierwagen, Oliver Smith, Holland M., III Haller, Eugene E. Speck, James S. Walukiewicz, Wladek TI Electrical and optical properties of p-type InN SO JOURNAL OF APPLIED PHYSICS LA English DT Article AB We have performed comprehensive studies of the optical, thermoelectric, and electrical properties of Mg doped InN with varying Mg doping levels and sample thicknesses. Room temperature photoluminescence spectra show a Mg acceptor related emission and the thermopower provides clear evidence for the presence of mobile holes. Although the effects of the hole transport are clearly observed in the temperature dependent electrical properties, the sign of the apparent Hall coefficient remains negative in all samples. We show that the standard model of two electrically well connected layers (n-type surface electron accumulation and p-type bulk) does not properly describe Hall effect in p-type InN. (C) 2011 American Institute of Physics. [doi:10.1063/1.3670038] C1 [Mayer, Marie A.; Smith, Holland M., III; Haller, Eugene E.; Walukiewicz, Wladek] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Div Mat Sci, Berkeley, CA 94720 USA. [Mayer, Marie A.; Smith, Holland M., III; Haller, Eugene E.] Univ Calif Berkeley, Dept Mat Sci & Engn, Berkeley, CA 94720 USA. [Choi, Soojeong; Bierwagen, Oliver; Speck, James S.] Univ Calif Santa Barbara, Dept Mat, Santa Barbara, CA 93106 USA. RP Mayer, MA (reprint author), Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Div Mat Sci, Berkeley, CA 94720 USA. EM w_walukiewicz@lbl.gov FU Office of Science, Office of Basic Energy Sciences, Materials Sciences and Engineering Division, of U.S. Department of Energy [DE-AC02-05CH11231]; AFOSR FX We would like to thank Christophe Hurni for helpful discussion, Grant Buchowicz and Oscar Dubon for assistance with Hall effect measurements and Nate Miller for construction of the thermopower apparatus. This work was supported by the Director, Office of Science, Office of Basic Energy Sciences, Materials Sciences and Engineering Division, of the U.S. Department of Energy under Contract No. DE-AC02-05CH11231. The work at UCSB was supported by AFOSR (K. Reinhardt and J. Hwang, Program Managers). NR 15 TC 12 Z9 12 U1 1 U2 31 PU AMER INST PHYSICS PI MELVILLE PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1, MELVILLE, NY 11747-4501 USA SN 0021-8979 J9 J APPL PHYS JI J. Appl. Phys. PD DEC 15 PY 2011 VL 110 IS 12 AR 123707 DI 10.1063/1.3670038 PG 5 WC Physics, Applied SC Physics GA 869ZV UT WOS:000298639800050 ER PT J AU Smith, RF Eggert, JH Rudd, RE Swift, DC Bolme, CA Collins, GW AF Smith, R. F. Eggert, J. H. Rudd, R. E. Swift, D. C. Bolme, C. A. Collins, G. W. TI High strain-rate plastic flow in Al and Fe SO JOURNAL OF APPLIED PHYSICS LA English DT Article ID DISLOCATION DYNAMICS; 6061-T6 ALUMINUM; PRECURSOR DECAY; SHOCK-WAVE; CRYSTAL ORIENTATION; STRESS; IRON; STRENGTH; BEHAVIOR; POINT AB Thin Fe and Al foils were ramp-compressed over several to tens of ns timescales to study the time-dependence associated with the onset of plastic flow. Peak stress states of 15-200 GPa were achieved through laser ramp-compression where the strain rate was varied, shot-to-shot, between 10(6) to 10(8) s(-1). Our data combined with data from other dynamic compression platforms reveals a strong correlation between the peak elastic precursor stress, sigma(E), and the strain rate at the onset of plastic flow, <(epsilon)over dot>(p). In fcc Al, phonon drag dislocation flow dominates above <(epsilon)over dot>(p) similar to 10(3) s(-1) and sigma(E) similar to 0.03 GPa where sigma(E) scales as <(epsilon)over dot>(0.43)(p). By contrast, the Al alloy 6061-T6 exhibits a relatively weak dependency of sigma(E) with <(epsilon)over dot>(p) up to strain rates of similar to 10(7) s(-1). Our Fe data, reveals a sharp increase in sigma(E) at <(epsilon)over dot>(p) > 5 x 10(6) s(-1). This is consistent with a transition in plastic flow to a phonon drag regime. (C) 2011 American Institute of Physics. [doi: 10.1063/1.3670001] C1 [Smith, R. F.; Eggert, J. H.; Rudd, R. E.; Swift, D. C.; Collins, G. W.] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA. [Bolme, C. A.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA. RP Smith, RF (reprint author), Lawrence Livermore Natl Lab, POB 808, Livermore, CA 94550 USA. EM smith248@llnl.gov OI Bolme, Cynthia/0000-0002-1880-271X FU Lawrence Livermore National Laboratory, U.S. Dept. of Energy [DE-AC52-07NA27344] FX This work was performed under the auspices of the U.S. Dept. of Energy by Lawrence Livermore National Laboratory under Contract DE-AC52-07NA27344. The authors wish to thank J. R. Asay, J. M. Winey and P. B. Trivedi for providing VISAR velocity data, which were used in the determination of strain rate. NR 62 TC 34 Z9 35 U1 6 U2 40 PU AMER INST PHYSICS PI MELVILLE PA 1305 WALT WHITMAN RD, STE 300, MELVILLE, NY 11747-4501 USA SN 0021-8979 EI 1089-7550 J9 J APPL PHYS JI J. Appl. Phys. PD DEC 15 PY 2011 VL 110 IS 12 AR 123515 DI 10.1063/1.3670001 PG 11 WC Physics, Applied SC Physics GA 869ZV UT WOS:000298639800029 ER PT J AU Solovyov, VF Li, Q Chen, Y Guevara, A Shi, T Selvamanickam, V AF Solovyov, Vyacheslav F. Li, Qiang Chen, Y. Guevara, A. Shi, T. Selvamanickam, V. TI Nucleation of ReBa2Cu3Ox (Re = rare-earth) during high-rate metal-organic chemical vapor deposition growth SO JOURNAL OF APPLIED PHYSICS LA English DT Article ID COATED CONDUCTORS; FILM GROWTH; YBA2CU3O7-DELTA; MECHANISM; SRTIO3; OXIDE AB Large-scale, high-rate epitaxial growth technology for the second-generation superconducting wire brings unique technological challenges for the thin-film coating industry. One of the most difficult steps of the process is controlling nucleation of a complex compound over a km-long low-cost oxide template. Here, we analyze early stages of industrial-scale epitaxial metal organic chemical vapor deposition (MOCVD) growth of ReBa2Cu3Ox (REBCO, Re=rare-earth) on buffered metal substrates. The nucleation event is detected by high-flux synchrotron X-ray diffraction and confirmed by atomic force microscopy. REBCO nuclei exhibit a strong preference for edges of the buffer grain, indicating that (001) steps of the buffer grains are preferred nucleation sites. It is concluded that random nucleation of REBCO is caused by agglomerates of small buffer grains. (C) 2011 American Institute of Physics. [doi: 10.1063/1.3670030] C1 [Solovyov, Vyacheslav F.; Li, Qiang] Brookhaven Natl Lab, Dept Mat Sci, Upton, NY 11973 USA. [Chen, Y.] SuperPower Inc, Schenectady, NY 12304 USA. [Guevara, A.; Shi, T.; Selvamanickam, V.] Univ Houston, Dept Mech Engn, Houston, TX 77204 USA. [Guevara, A.; Shi, T.; Selvamanickam, V.] Univ Houston, Texas Ctr Superconduct, Houston, TX 77204 USA. RP Solovyov, VF (reprint author), Brookhaven Natl Lab, Dept Mat Sci, Upton, NY 11973 USA. EM solov@bnl.gov RI Solovyov, Vyacheslav/A-7724-2009; Develos-Bagarinao, Katherine/C-6649-2011; OI Develos-Bagarinao, Katherine/0000-0001-6846-191X; Solovyov, Vyacheslav/0000-0003-1879-9802 FU Brookhaven Science Associates, LLC [DE-AC02-98CH10886]; U.S. Department of Energy; U.S. Department of Energy, Office of Basic Energy Sciences; New York State Energy Research and Development Authority (NYSERDA) [NF-10-21 VFS)]; U.S. Department of Energy, Office of Basic Energy Science, Materials Sciences and Engineering Division (QL) FX This manuscript has been authored by Brookhaven Science Associates, LLC under Contract No. DE-AC02-98CH10886 with the U.S. Department of Energy. Research was carried out in part at the Center for Functional Nanomaterials and National Synchrotron Light Source (Beamlines X-18 A), Brookhaven National Laboratory, supported by the U.S. Department of Energy, Office of Basic Energy Sciences. The work at Brookhaven National Laboratory was supported by New York State Energy Research and Development Authority (NYSERDA) under agreement NF-10-21 (VFS) and the U.S. Department of Energy, Office of Basic Energy Science, Materials Sciences and Engineering Division (QL). The work at the University of Houston and SuperPower was partially supported by the U.S. Department of Energy. The authors appreciate the help of Steven Ehrlich during the X-18 A beamline experiments. NR 38 TC 2 Z9 2 U1 1 U2 17 PU AMER INST PHYSICS PI MELVILLE PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1, MELVILLE, NY 11747-4501 USA SN 0021-8979 J9 J APPL PHYS JI J. Appl. Phys. PD DEC 15 PY 2011 VL 110 IS 12 AR 123904 DI 10.1063/1.3670030 PG 6 WC Physics, Applied SC Physics GA 869ZV UT WOS:000298639800063 ER PT J AU Starace, AK Gomez, JC Wang, J Pradhan, S Glatzmaier, GC AF Starace, Anne K. Gomez, Judith C. Wang, Jun Pradhan, Sulolit Glatzmaier, Greg C. TI Nanofluid heat capacities SO JOURNAL OF APPLIED PHYSICS LA English DT Article ID PHASE-CHANGE MATERIALS; THERMAL-CONDUCTIVITY; SINGLE-PHASE; ENHANCEMENT; NANOPARTICLES; SUSPENSIONS; INTERFACE; ALUMINUM; STORAGE AB Significant increases in the heat capacity of heat transfer fluids are needed not only to reduce the costs of liquid heating and cooling processes, but also to bring clean energy producing technologies like concentrating solar power (CSP) to price parity with conventional energy generation. It has been postulated that nanofluids could have higher heat capacities than conventional fluids. In this work, nano- and micron-sized particles were added to five base fluids (poly-alpha olefin, mineral oil, ethylene glycol, a mixture of water and ethylene glycol, and calcium nitrate tetrahydrate), and the resulting heat capacities were measured and compared with those of the neat base fluids and the weighted average of the heat capacities of the components. The particles used were inert metals and metal oxides that did not undergo any phase transitions over the temperature range studied. In the nanofluids studied here, we found no increase in heat capacity upon the addition of the particles larger than the experimental error. (C) 2011 American Institute of Physics. [doi:10.1063/1.3672685] C1 [Starace, Anne K.; Gomez, Judith C.; Wang, Jun; Pradhan, Sulolit; Glatzmaier, Greg C.] Natl Renewable Energy Lab, Golden, CO 80401 USA. RP Starace, AK (reprint author), Natl Renewable Energy Lab, 1617 Cole Blvd, Golden, CO 80401 USA. EM anne.starace@nrel.gov RI Wang, Jun/G-6180-2010 FU U.S. Department of Energy [DE-AC36-08-GO28308]; National Renewable Energy Laboratory FX We would like to thank Calvin Curtis for the use of his hood and Dan Blake for helpful discussions. This work was supported by the U.S. Department of Energy under Contract No. DE-AC36-08-GO28308 with the National Renewable Energy Laboratory. NR 33 TC 17 Z9 17 U1 4 U2 36 PU AMER INST PHYSICS PI MELVILLE PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1, MELVILLE, NY 11747-4501 USA SN 0021-8979 J9 J APPL PHYS JI J. Appl. Phys. PD DEC 15 PY 2011 VL 110 IS 12 AR 124323 DI 10.1063/1.3672685 PG 5 WC Physics, Applied SC Physics GA 869ZV UT WOS:000298639800115 ER PT J AU Sun, H Morelli, DT Kirkham, MJ Meyer, HM Lara-Curzio, E AF Sun, Hui Morelli, Donald T. Kirkham, Melanie J. Meyer, Harry M., III Lara-Curzio, Edgar TI The role of boron segregation in enhanced thermoelectric power factor of CoSi1-xBx alloys SO JOURNAL OF APPLIED PHYSICS LA English DT Article ID COBALT MONOSILICIDE; CRYSTAL; COSI; PERFORMANCE AB We report on the influence of boron segregation on the thermoelectric properties of CoSi. Contrary to previous suggestions, and in stark contrast to aluminum substitution, boron does not enter the lattice on the Si site, but rather segregates to the grain boundaries in these alloys. Through a combination of x-ray diffraction, scanning electron microscope, and scanning Auger techniques, we present clear evidence of the formation of a CoB phase at the grain boundaries. Consistent with the failure of B to substitute for Si, we observe no changes in the electron concentration or the Seebeck coefficient under boron substitution. The electrical resistivity, on the other hand, displays a non-monotonic behavior with increasing boron concentration, first decreasing for small amounts of boron, before increasing at higher levels of substitution. We attribute this behavior to a combination of an initial healing effect of boron on microcracks, followed by the eventual increase in electron scattering by the secondary CoB phase at higher concentrations. (C) 2011 American Institute of Physics. [doi: 10.1063/1.3671066] C1 [Sun, Hui; Morelli, Donald T.] Michigan State Univ, Dept Chem Engn & Mat Sci, E Lansing, MI 48824 USA. [Kirkham, Melanie J.; Meyer, Harry M., III; Lara-Curzio, Edgar] Oak Ridge Natl Lab, High Temp Mat Lab, Oak Ridge, TN 37831 USA. RP Sun, H (reprint author), Michigan State Univ, Dept Chem Engn & Mat Sci, E Lansing, MI 48824 USA. RI Sun, Hui/D-3411-2014; Kirkham, Melanie/B-6147-2011; OI Sun, Hui/0000-0002-9745-3510; Kirkham, Melanie/0000-0001-8411-9751; Sun, Handong/0000-0002-2261-7103 FU U. S. Department of Energy, Office of Energy Efficiency and Renewable Energy; Center on Revolutionary Materials for Solid State Energy Conversion, an Energy Frontier Research Center; U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences [DE-SC0001054] FX Research at the Oak Ridge National Laboratory's High Temperature Materials Laboratory User Program was sponsored by the U. S. Department of Energy, Office of Energy Efficiency and Renewable Energy, Vehicle Technologies Program and by the Center on Revolutionary Materials for Solid State Energy Conversion, an Energy Frontier Research Center funded by the U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences under Award No. DE-SC0001054. NR 23 TC 7 Z9 7 U1 3 U2 25 PU AMER INST PHYSICS PI MELVILLE PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1, MELVILLE, NY 11747-4501 USA SN 0021-8979 J9 J APPL PHYS JI J. Appl. Phys. PD DEC 15 PY 2011 VL 110 IS 12 AR 123711 DI 10.1063/1.3671066 PG 4 WC Physics, Applied SC Physics GA 869ZV UT WOS:000298639800054 ER PT J AU Tang, HW Matin, MA Wang, HL Deutsch, T Al-Jassim, M Turner, J Yan, YF AF Tang, Houwen Matin, M. A. Wang, Heli Deutsch, Todd Al-Jassim, Mowafak Turner, John Yan, Yanfa TI Synthesis and characterization of titanium-alloyed hematite thin films for photoelectrochemical water splitting SO JOURNAL OF APPLIED PHYSICS LA English DT Article ID IRON-OXIDE; SEMICONDUCTOR ELECTRODES; ALPHA-FE2O3 ELECTRODES; HYDROGEN-PRODUCTION; OXIDATION AB We have synthesized pure and Ti-alloyed hematite thin films on F doped SnO(2) coated glass substrates by radio frequency magnetron co-sputtering of iron oxide and titanium targets in mixed Ar/O(2) and mixed N(2)/O(2) ambient. We found that the hematite films deposited in the N(2)/O(2) ambient exhibit much poorer crystallinity than the films deposited in the Ar/O(2) ambient. We determined that Ti alloying leads to increased electron carrier concentration and crystallinity, and reduced bandgaps. Moreover, Ti-alloyed hematite thin films exhibited improved photoelectrochemical performance as compared with the pure hematite films: The photocurrents were enhanced and the photocurrent onset shifted to less positive potentials. (C) 2011 American Institute of Physics. [doi: 10.1063/1.3671414] C1 [Tang, Houwen; Wang, Heli; Deutsch, Todd; Al-Jassim, Mowafak; Turner, John; Yan, Yanfa] Natl Renewable Energy Lab, Golden, CO 80401 USA. [Tang, Houwen; Matin, M. A.] Univ Denver, Dept Elect Engn, Denver, CO 80210 USA. RP Tang, HW (reprint author), Natl Renewable Energy Lab, 1617 Cole Blvd, Golden, CO 80401 USA. EM yanfa.yan@utoledo.edu RI Dom, Rekha/B-7113-2012; OI Deutsch, Todd/0000-0001-6577-1226 FU U.S. Department of Energy [DE-AC36-08GO28308] FX We thank Adam Welch for helping on the IPCE measurements. The work was supported by the U.S. Department of Energy, Fuel Cell Technologies Program under Contract No. DE-AC36-08GO28308 to the National Renewable Energy Laboratory. NR 26 TC 18 Z9 18 U1 0 U2 43 PU AMER INST PHYSICS PI MELVILLE PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1, MELVILLE, NY 11747-4501 USA SN 0021-8979 J9 J APPL PHYS JI J. Appl. Phys. PD DEC 15 PY 2011 VL 110 IS 12 AR 123511 DI 10.1063/1.3671414 PG 7 WC Physics, Applied SC Physics GA 869ZV UT WOS:000298639800025 ER PT J AU Tao, RZ Todorovic, R Liu, JJ Meyer, RJ Arnold, A Walkosz, W Zapol, P Romanenko, A Cooley, LD Klie, RF AF Tao, Runzhe Todorovic, Ruzica Liu, Jingjing Meyer, Randall J. Arnold, Andrew Walkosz, Weronika Zapol, Peter Romanenko, Alexander Cooley, Lance D. Klie, Robert F. TI Electron energy-loss spectroscopy study of metallic Nb and Nb oxides SO JOURNAL OF APPLIED PHYSICS LA English DT Article ID NIOBIUM; EDGES; PHASES; EELS AB We present a series of electron energy-loss spectroscopy (EELS) studies on niobium (Nb) and its oxides (NbO, NbO(2), and Nb(2)O(5)) to develop a reliable method for quantifying the oxidation state in mixed niobium oxide thin films. Our approach utilizes a combination of transmission electron microscopy and EELS experiments with density functional theory calculations to distinguish between metallic niobium and the different niobium oxides. More specifically, the differences in the near-edge fine-structure of the Nb M-edge and O K-edge provide sufficient information to determine the valence state of niobium. Based on these observed changes in the core-loss edges, we propose a linear relationship that correlates the peak positions in the Nb M-and O K-edges with the Nb valence state. The methods developed in this paper are also applied to ultrathin niobium oxide films to examine the effects of low-temperature baking on the films' oxidation states. (C) 2011 American Institute of Physics. [doi:10.1063/1.3665193] C1 [Tao, Runzhe; Arnold, Andrew; Klie, Robert F.] Univ Illinois, Dept Phys, Chicago, IL 60607 USA. [Todorovic, Ruzica; Liu, Jingjing; Meyer, Randall J.] Univ Illinois, Dept Chem Engn, Chicago, IL 60607 USA. [Walkosz, Weronika; Zapol, Peter] Argonne Natl Lab, Div Mat Sci, Argonne, IL 60439 USA. [Romanenko, Alexander; Cooley, Lance D.] Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA. RP Tao, RZ (reprint author), Univ Illinois, Dept Phys, Chicago, IL 60607 USA. EM rfklie@uic.edu RI Zapol, Peter/G-1810-2012; Cooley, Lance/E-7377-2015; liu, jingjing/K-1183-2016 OI Zapol, Peter/0000-0003-0570-9169; Cooley, Lance/0000-0003-3488-2980; FU Fermi Lab; U.S. Department of Energy, BES-Materials Sciences [DE-AC0206CH11357] FX The authors R. T. and R. F. K. would like to acknowledge support for this research by Fermi Lab, also the Research Resource Center of UIC for providing instrumentation for the experiments. The authors P.Z. and W. W. are supported by the U.S. Department of Energy, BES-Materials Sciences under Contract No. DE-AC0206CH11357. P.Z. and W. W. acknowledge grant of computer time from the ANL Laboratory Computing Resource Center (LCRC). NR 28 TC 11 Z9 11 U1 0 U2 25 PU AMER INST PHYSICS PI MELVILLE PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1, MELVILLE, NY 11747-4501 USA SN 0021-8979 J9 J APPL PHYS JI J. Appl. Phys. PD DEC 15 PY 2011 VL 110 IS 12 AR 124313 DI 10.1063/1.3665193 PG 8 WC Physics, Applied SC Physics GA 869ZV UT WOS:000298639800105 ER PT J AU Weickert, F Nicklas, M Schnelle, W Wosnitza, J Leithe-Jasper, A Rosner, H AF Weickert, F. Nicklas, M. Schnelle, W. Wosnitza, J. Leithe-Jasper, A. Rosner, H. TI Enhancement of the upper critical field in codoped iron-arsenic high-temperature superconductors SO JOURNAL OF APPLIED PHYSICS LA English DT Article ID PURITY DEPENDENCE; HC2 AB We present the first study of codoped iron-arsenide superconductors of the 122 family (Sr/Ba)(1-x)KxFe2-yCoyAs2 with the purpose to increase the upper critical field H-c2 compared to single doped Sr/BaFe2As2 materials. H-c2 was investigated by measuring the magnetoresistance in high pulsed magnetic fields up to 64 T. We find, that H-c2 extrapolated to T = 0 is indeed enhanced significantly to approximate to 90 T for polycrystalline samples of Ba0.55K0.45Fe1.95Co0.05As2 compared to approximate to 75 T for Ba0.55K0.45Fe2As2 and BaFe1.8Co0.2As2 single crystals. Codoping thus is a promising way for the systematic optimization of iron-arsenic based superconductors for magnetic-field and high-current applications. (C) 2011 American Institute of Physics. [doi: 10.1063/1.3665700] C1 [Weickert, F.; Nicklas, M.; Schnelle, W.; Leithe-Jasper, A.; Rosner, H.] Max Planck Inst Chem Phys Fester Stoffe, D-01187 Dresden, Germany. [Weickert, F.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA. [Wosnitza, J.] Helmholtz Zentrum Dresden Rossendorf, D-01328 Dresden, Germany. RP Weickert, F (reprint author), Max Planck Inst Chem Phys Fester Stoffe, D-01187 Dresden, Germany. RI Nicklas, Michael/B-6344-2008; Leithe-Jasper, Andreas/O-9303-2014; Weickert, Franziska/F-3557-2015 OI Nicklas, Michael/0000-0001-6272-2162; Weickert, Franziska/0000-0002-1545-9645 FU MPG Research Initiative: Materials Science and Condensed Matter Research at the Hochfeldmagnetlabor Dresden; EuroMagNET II under the EU [228 043]; Deutsche Forschungsgemeinschaft (DFG) [SPP 1458] FX FW and MN acknowledge financial funding by the MPG Research Initiative: Materials Science and Condensed Matter Research at the Hochfeldmagnetlabor Dresden. Part of this work was supported by EuroMagNET II under the EU contract 228 043. MN, JW, ALJ, and HR thank the Deutsche Forschungsgemeinschaft (DFG) for financial support through SPP 1458. NR 27 TC 5 Z9 5 U1 2 U2 13 PU AMER INST PHYSICS PI MELVILLE PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1, MELVILLE, NY 11747-4501 USA SN 0021-8979 J9 J APPL PHYS JI J. Appl. Phys. PD DEC 15 PY 2011 VL 110 IS 12 AR 123906 DI 10.1063/1.3665700 PG 6 WC Physics, Applied SC Physics GA 869ZV UT WOS:000298639800065 ER PT J AU Wood, AW Collino, RR Cardozo, BL Naab, F Wang, YQ Goldman, RS AF Wood, A. W. Collino, R. R. Cardozo, B. L. Naab, F. Wang, Y. Q. Goldman, R. S. TI Formation mechanisms of spatially-directed zincblende gallium nitride nanocrystals SO JOURNAL OF APPLIED PHYSICS LA English DT Article ID ION-BEAM; BAND-GAP; SEMICONDUCTORS; EVOLUTION AB We report on the spatially selective formation of GaN nanocrystals embedded in GaAs. Broad-area N(+) implantation followed by rapid thermal annealing leads to the formation of nanocrystals at the depth of maximum ion damage. With additional irradiation using a Ga(+) focused ion beam, selective lateral positioning of the nanocrystals within the GaAs matrix is observed in isolated regions of increased vacancy concentration. Following rapid thermal annealing, the formation of zincblende GaN is observed in the regions of highest vacancy concentration. The nucleation of zincblende nanocrystals over the wurtzite phase of bulk GaN is consistent with the predictions of a thermodynamic model for the nanoscale size-dependence of GaN nucleation. (C) 2011 American Institute of Physics. [doi: 10.1063/1.3665122] C1 [Wood, A. W.; Goldman, R. S.] Univ Michigan, Dept Phys, Ann Arbor, MI 48109 USA. [Collino, R. R.] Univ Michigan, Dept Mech Engn, Ann Arbor, MI 48109 USA. [Cardozo, B. L.; Goldman, R. S.] Univ Michigan, Dept Mat Sci & Engn, Ann Arbor, MI 48109 USA. [Naab, F.] Univ Michigan, Dept Nucl Engn & Radiol Sci, Ann Arbor, MI 48109 USA. [Wang, Y. Q.] Los Alamos Natl Lab, Mat Sci & Technol Div, Los Alamos, NM 87545 USA. RP Goldman, RS (reprint author), Univ Michigan, Dept Phys, Ann Arbor, MI 48109 USA. EM rsgold@umich.edu RI Goldman, Rachel/J-9091-2012; Collino, Rachel/B-5513-2014 OI Collino, Rachel/0000-0002-7958-4859 FU U.S. Department of Defense [HM1582-05-1-2027]; AFOSR through the MURI [FA9950-08-1-0340]; CIA [2007-0919714-000]; NSF [CMMI 0700301] FX This work was supported in part by the U.S. Department of Defense through the Intelligence Community Postdoctoral Research Fellowship under grant HM1582-05-1-2027, by the AFOSR through the MURI program under Grant No. FA9950-08-1-0340, the CIA under Contract No. 2007-0919714-000, and by NSF under Grant No. CMMI 0700301. Support for Y. Q. W. was provided by the Center for Integrated Nanotechnologies jointly operated by Los Alamos and Sandia National Laboratories. NR 22 TC 4 Z9 4 U1 0 U2 8 PU AMER INST PHYSICS PI MELVILLE PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1, MELVILLE, NY 11747-4501 USA SN 0021-8979 J9 J APPL PHYS JI J. Appl. Phys. PD DEC 15 PY 2011 VL 110 IS 12 AR 124307 DI 10.1063/1.3665122 PG 5 WC Physics, Applied SC Physics GA 869ZV UT WOS:000298639800099 ER PT J AU Liu, Y Wang, HH Indacochea, JE Wang, ML AF Liu, Y. Wang, H. H. Indacochea, J. E. Wang, M. L. TI A colorimetric sensor based on anodized aluminum oxide (AAO) substrate for the detection of nitroaromatics SO SENSORS AND ACTUATORS B-CHEMICAL LA English DT Article DE AAO; Interference color; UV-vis spectra; Sensor application; Nitroaromatics detection ID ARRAYS; FILMS; EXPLOSIVES; PARTICLES; MEMBRANES; OXYGEN AB Simple and low cost colorimetric sensors for explosives detection were explored and developed. Anodized aluminum oxide (MO) with large surface area through its porous structure and light background color was utilized as the substrate for colorimetric sensors. Fabricated thin AAO films with thickness less than similar to 500 nm allowed us to observe interference colors which were used as the background color for colorimetric detection. AAO thin films with various thickness and pore-to-pore distance were prepared through anodizing aluminum foils at different voltages and times in dilute sulfuric acid. Various interference colors were observed on these samples due to their difference in structures. Accordingly, suitable anodization conditions that produce AAO samples with desired light background colors for optical applications were obtained. Thin film interference model was applied to analyze the UV-vis reflectance spectra and to estimate the thickness of the AAO membranes. We found that the thickness of produced MO films increased linearly with anodization time in sulfuric acid. In addition, the growth rate was higher for MO anodized using higher voltages. The thin film interference formulism was further validated with a well established layer by layer deposition technique. Coating poly(styrene sulfonate) sodium salt (PSS) and poly(allylamine hydrochloride) (PAH) layer by layer on MO thin film consistently shifted its surface color toward red due to the increase in thickness. The red shift of UV-vis reflectance was correlated quantitatively to the number of layers been assembled. This sensitive red shift due to molecular attachment (increase in thickness) on AAO substrate was applied toward nitroaromatics detection. Aminopropyltrimethoxysilane (APTS) which can be attached onto MO nanowells covalently through silanization and attract TNT molecules was coated and applied for TNT detection. UV-vis spectra of MO with APTS shifted to the longer wavelength side due to TNT attachment. This red shift implied AAO thickness increased and positive detection of TNT molecules. It was also observed that both APTS and polyethyleneimine (PEI) were electron rich polymers which formed Meisenheimer complexes with TNT in solution and changed its color abruptly. This strong color change due to chemical reaction was applied as another approach for direct TNT detection. Commercial MO films with long pores (60 mu m) and white background color were coated with APTS or PEI and then exposed to TNT in solution. These membranes turned to pink rapidly and eventually became visibly orange after a few hours with a strong absorption around 500 nm that was consistent with the formation of Meisenheimer complexes. The visible color change can be observed by unaided eyes and is suitable for nitroaromatics detection at higher concentration while interference color red shift in AAO thin film is designed for nitroaromatics detection at monolayer (nm) level. (C) 2011 Elsevier B.V. All rights reserved. C1 [Liu, Y.; Wang, M. L.] Northeastern Univ, Dept Civil & Environm Engn, Boston, MA 02115 USA. [Liu, Y.; Wang, H. H.] Argonne Natl Lab, Div Mat Sci, Argonne, IL 60439 USA. [Indacochea, J. E.] Univ Illinois, Dept Civil & Mat Engn, Chicago, IL 60607 USA. RP Liu, Y (reprint author), Northeastern Univ, Dept Civil & Environm Engn, Boston, MA 02115 USA. EM liu.yu2@husky.neu.edu FU UChicago, Argonne, LLC; U.S. Department of Energy Office of Science laboratory [DE-AC02-06CH11357]; National Science Foundation [0731102] FX Work at MSD, Argonne National Laboratory as well as FESEM carried out at EMC is supported by UChicago, Argonne, LLC, Operator of Argonne National Laboratory ("Argonne"). Argonne, a U.S. Department of Energy Office of Science laboratory, is operated under Contract No. DE-AC02-06CH11357.; This material is based upon work supported by the National Science Foundation under Grant No. 0731102. NR 30 TC 16 Z9 17 U1 5 U2 84 PU ELSEVIER SCIENCE SA PI LAUSANNE PA PO BOX 564, 1001 LAUSANNE, SWITZERLAND SN 0925-4005 J9 SENSOR ACTUAT B-CHEM JI Sens. Actuator B-Chem. PD DEC 15 PY 2011 VL 160 IS 1 BP 1149 EP 1158 DI 10.1016/j.snb.2011.09.040 PG 10 WC Chemistry, Analytical; Electrochemistry; Instruments & Instrumentation SC Chemistry; Electrochemistry; Instruments & Instrumentation GA 871WJ UT WOS:000298768100158 ER PT J AU Mohan, R Schudel, BR Desai, AV Yearsley, JD Apblett, CA Kenis, PJA AF Mohan, Ritika Schudel, Benjamin R. Desai, Amit V. Yearsley, Joshua D. Apblett, Christopher A. Kenis, Paul J. A. TI Design considerations for elastomeric normally closed microfluidic valves SO SENSORS AND ACTUATORS B-CHEMICAL LA English DT Article DE Microvalves; Soft lithography; Actuation pressure; Hysteresis; Normally closed valves ID MEMBRANE VALVES; MICROVALVE; PUMPS; DEVICES AB The ease of fabrication and integration of pneumatic microvalves has enabled extensive miniaturization of microfluidic devices capable of performing massively parallel operations. These valves in their typical open configuration, also known as normally open (NO) valves, require to be actuated to remain closed. As a result, devices employing these valves have limited portability in applications that require valves to be closed continuously. Normally closed (NC) valves based on pneumatic actuation not only address the above issue of portability, but also retain the ease of integrating massively parallel networks of microfluidic elements. In this paper, we report the design and fabrication of elastomeric NC microvalves, along with systematic experimental characterization of NC valve operation. Geometrical parameters of the valve, including shape, fluid channel width, membrane thickness, and valve asymmetry, were examined with the objective of minimizing actuation pressures and ensuring reliable operation. We observed that introduction of asymmetry in the valve geometry created points of weak adhesion between the valve and the substrate, which facilitated opening of the valve at lower actuation pressures. Specifically, valves with a sharp corner feature (v-shaped) actuated at lower pressures (1.5 psi) compared to straight-shaped valves (3 psi). We also observed that membrane thickness does not significantly influence the actuation pressures. An important requirement for microfluidic devices using NC valves is selective irreversible bonding of the fluid layer to the substrate, which we achieved by plasma sealing of the fluid layer to the substrate while simultaneously actuating the valves. Based on our experimental observations, we formulated a set of design considerations with the objective of minimizing actuation pressures, ensuring reliable operation, and facilitating convenient integration into complex microfluidic devices. These NC valves have significant potential in applications where portability is highly desired, such as in on-chip analysis, crystallization screening, and in the study of chemical or biological processes over long durations of time. (C) 2011 Elsevier B.V. All rights reserved. C1 [Mohan, Ritika; Schudel, Benjamin R.; Desai, Amit V.; Kenis, Paul J. A.] Univ Illinois, Dept Chem & Biomol Engn, Urbana, IL 61801 USA. [Apblett, Christopher A.] Sandia Natl Labs, Albuquerque, NM 87185 USA. [Yearsley, Joshua D.; Apblett, Christopher A.] Univ New Mexico, Dept Chem & Nucl Engn, Albuquerque, NM 87131 USA. RP Kenis, PJA (reprint author), Univ Illinois, Dept Chem & Biomol Engn, Urbana, IL 61801 USA. EM kenis@illinois.edu RI Kenis, Paul/S-7229-2016 OI Kenis, Paul/0000-0001-7348-0381 FU National Science Foundation [CMMI 03-28162, CMMI 07-49028]; U.S. Department of Energy [DE-FG02-07ER46453, DE-FG02-07ER46471] FX We gratefully acknowledge financial support from the National Science Foundation under awards CMMI 03-28162 and CMMI 07-49028 to Nano-CEMMS; a NanoScience & Engineering Center (NSEC) on Nanomanufacturing. Profilometry was carried out in the Frederick Seitz Materials Research Laboratory Central Facilities, University of Illinois, which is supported in part by the U.S. Department of Energy under grants DE-FG02-07ER46453 and DE-FG02-07ER46471. We also acknowledge Michael Thorson for help with fabrication of the devices. NR 32 TC 31 Z9 31 U1 1 U2 35 PU ELSEVIER SCIENCE SA PI LAUSANNE PA PO BOX 564, 1001 LAUSANNE, SWITZERLAND SN 0925-4005 J9 SENSOR ACTUAT B-CHEM JI Sens. Actuator B-Chem. PD DEC 15 PY 2011 VL 160 IS 1 BP 1216 EP 1223 DI 10.1016/j.snb.2011.09.051 PG 8 WC Chemistry, Analytical; Electrochemistry; Instruments & Instrumentation SC Chemistry; Electrochemistry; Instruments & Instrumentation GA 871WJ UT WOS:000298768100167 ER PT J AU Botcheva, K McCorkle, SR McCombie, WR Dunn, JJ Anderson, CW AF Botcheva, Krassimira McCorkle, Sean R. McCombie, W. R. Dunn, John J. Anderson, Carl W. TI Distinct p53 genomic binding patterns in normal and cancer-derived human cells SO CELL CYCLE LA English DT Article DE p53; whole genome binding; tumor suppressor; transcription factor; CpG island; ChIP-seq ID TUMOR-SUPPRESSOR PROTEIN; MESSENGER-RNA DECAY; DNA METHYLATION; CPG ISLANDS; BIDIRECTIONAL PROMOTERS; P53-RESPONSIVE GENES; P53-BINDING SITES; NONCODING RNAS; CORE PROMOTER; TARGET GENES AB We report here genome-wide analysis of the tumor suppressor p53 binding sites in normal human cells. 743 high-confidence ChIP-seq peaks representing putative genomic binding sites were identified in normal IMR90 fibroblasts using a reference chromatin sample. More than 40% were located within 2 kb of a transcription start site (TSS), a distribution similar to that documented for individually studied, functional p53 binding sites and, to date, not observed by previous p53 genome-wide studies. Nearly half of the high-confidence binding sites in the IMR90 cells reside in CpG islands, in marked contrast to sites reported in cancer-derived cells. The distinct genomic features of the IMR90 binding sites do not reflect a distinct preference for specific sequences, since the de novo developed p53 motif based on our study is similar to those reported by genome-wide studies of cancer cells. More likely, the different chromatin landscape in normal, compared with cancer-derived cells, influences p53 binding via modulating availability of the sites. We compared the IMR90 ChIP-seq peaks to the recently published IMR90 methylome(1) and demonstrated that they are enriched at hypomethylated DNA. Our study represents the first genome-wide, de novo mapping of p53 binding sites in normal human cells and reveals that p53 binding sites reside in distinct genomic landscapes in normal and cancer-derived human cells. C1 [Botcheva, Krassimira; McCorkle, Sean R.; Dunn, John J.; Anderson, Carl W.] Brookhaven Natl Lab, Dept Biol, Upton, NY 11973 USA. [McCombie, W. R.] Cold Spring Harbor Lab, Cold Spring Harbor, NY 11724 USA. RP Botcheva, K (reprint author), Brookhaven Natl Lab, Dept Biol, Upton, NY 11973 USA. EM kalexiev@bnl.gov; cwa@bnl.gov OI McCombie, W. Richard/0000-0003-1899-0682 FU US. Department of Energy by Brookhaven National Laboratory [DE-AC02-98CH10886]; US. Department of Energy FX We thank D. Turner (Wellcome Trust Sanger Institute, UK), J. Rozowsky (Yale University) and M. Regulski (CSHL) for the helpful discussions. We acknowledge the work of D. Kotov during his summer internship (SULI, BNL), M. Blewitt for helping with the small scale sequencing at BNL and E. Ghiban (CSHL) for the help with the Illumina sequencing. We thank P. Freimuth and P. Wilson for their critical reading of the manuscript. This work was performed under the auspices of the US. Department of Energy by Brookhaven National Laboratory under contract DE-AC02-98CH10886 and was supported by a grant from the US. Department of Energy Low Dose Radiation Research Program (C. W. A.). These sequence data have been submitted to the NCBI/GEO database under accession number GSE31558; human genome reference sequence hg18 (NCBI Build 36.1) was used for the analysis. NR 79 TC 49 Z9 49 U1 0 U2 7 PU LANDES BIOSCIENCE PI AUSTIN PA 1806 RIO GRANDE ST, AUSTIN, TX 78702 USA SN 1538-4101 J9 CELL CYCLE JI Cell Cycle PD DEC 15 PY 2011 VL 10 IS 24 BP 4237 EP 4249 DI 10.4161/cc.10.24.18383 PG 13 WC Cell Biology SC Cell Biology GA 866TP UT WOS:000298407200025 PM 22127205 ER PT J AU Roan, NR Muller, JA Liu, HC Chu, S Arnold, F Sturzel, CM Walther, P Dong, M Witkowska, HE Kirchhoff, F Munch, J Greene, WC AF Roan, Nadia R. Mueller, Janis A. Liu, Haichuan Chu, Simon Arnold, Franziska Stuerzel, Christina M. Walther, Paul Dong, Ming Witkowska, H. Ewa Kirchhoff, Frank Muench, Jan Greene, Warner C. TI Peptides Released by Physiological Cleavage of Semen Coagulum Proteins Form Amyloids that Enhance HIV Infection SO CELL HOST & MICROBE LA English DT Article ID HUMAN SEMINAL PLASMA; SPERM MOTILITY INHIBITOR; IMMUNODEFICIENCY-VIRUS TYPE-1; SEMENOGELIN-I; MEDIATED ENHANCEMENT; MAIN PROTEIN; CELLS; SEVI; EPITOPE; COMMON AB Semen serves as a vehicle for HIV and promotes sexual transmission of the virus, which accounts for the majority of new HIV cases. The major component of semen is the coagulum, a viscous structure composed predominantly of spermatozoa and semenogelin proteins. Due to the activity of the semen protease PSA, the coagulum is liquefied and semenogelins are cleaved into smaller fragments. Here, we report that a subset of these semenogelin fragments form amyloid fibrils that greatly enhance HIV infection. Like SEVI, another amyloid fibril previously identified in semen, the semenogelin fibrils exhibit a cationic surface and enhance HIV virion attachment and entry. Whereas semen samples from healthy individuals greatly enhance HIV infection, semenogelin-deficient semen samples from patients with ejaculatory duct obstruction are completely deficient in enhancing activity. Semen thus harbors distinct amyloidogenic peptides derived from different precursor proteins that commonly enhance HIV infection and likely contribute to HIV transmission. C1 [Roan, Nadia R.; Chu, Simon; Greene, Warner C.] Univ Calif San Francisco, Gladstone Inst Virol & Immunol, San Francisco, CA 94158 USA. [Greene, Warner C.] Univ Calif San Francisco, Dept Med, San Francisco, CA 94158 USA. [Greene, Warner C.] Dept Microbiol & Immunol, San Francisco, CA 94158 USA. [Mueller, Janis A.; Arnold, Franziska; Stuerzel, Christina M.; Kirchhoff, Frank; Muench, Jan] Univ Ulm, Inst Mol Virol, D-89081 Ulm, Germany. [Walther, Paul] Univ Ulm, Cent Electron Microscopy Facil, D-89081 Ulm, Germany. [Liu, Haichuan; Witkowska, H. Ewa] Univ Calif San Francisco, UCSF Sandler Moore Mass Spectrometry Facil, San Francisco, CA 94143 USA. [Dong, Ming] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA. RP Greene, WC (reprint author), Univ Calif San Francisco, Gladstone Inst Virol & Immunol, San Francisco, CA 94158 USA. EM wgreene@gladstone.ucsf.edu FU Department of Defense [1PO1 AI083050-01 PPG, W81XWH-11-1-0562]; German Research Foundation (DFG); Ministry of Science; Giannini Foundation; Sandler Family Foundation; Gordon and Betty Moore Foundation; NIH/NCI Cancer Center [P30 CA082103] FX This work was supported, in whole or in part, by 1PO1 AI083050-01 PPG and grant number W81XWH-11-1-0562 from the Department of Defense (to W.C.G.), the German Research Foundation (DFG) and the Ministry of Science (to J.M.), and the Giannini Foundation fellowship (to N.R.R.). The UCSF Sandler-Moore Mass Spectrometry Core Facility acknowledges support from the Sandler Family Foundation, the Gordon and Betty Moore Foundation, and NIH/NCI Cancer Center Support Grant P30 CA082103. Non-endorsement disclaimer: the views, opinions, and/or findings contained in this article are those of the authors and do not necessarily reflect the views of the Department of Defense; they should not be construed as an official Department of Defense/Army position, policy, or decision unless so designated by other documentation. No official endorsement should be made. NR 39 TC 61 Z9 64 U1 0 U2 8 PU CELL PRESS PI CAMBRIDGE PA 600 TECHNOLOGY SQUARE, 5TH FLOOR, CAMBRIDGE, MA 02139 USA SN 1931-3128 J9 CELL HOST MICROBE JI Cell Host Microbe PD DEC 15 PY 2011 VL 10 IS 6 BP 541 EP 550 DI 10.1016/j.chom.2011.10.010 PG 10 WC Microbiology; Parasitology; Virology SC Microbiology; Parasitology; Virology GA 873OV UT WOS:000298893600005 PM 22177559 ER PT J AU Perzyna, K Borkowska, R Syzdek, J Zalewska, A Wieczorek, W AF Perzyna, Kamil Borkowska, Regina Syzdek, Jaroslaw Zalewska, Aldona Wieczorek, Wladyslaw TI The effect of additive of Lewis acid type on lithium-gel electrolyte characteristics SO ELECTROCHIMICA ACTA LA English DT Article; Proceedings Paper CT 12th International Symposium on Polymer Electrolytes (ISPE) CY AUG 29-SEP 04, 2010 CL Univ Padova, Padua, ITALY SP Int Soc Electrochem (ISE), Int Assoc Hydrogen Energy (IAHE), Regione Veneto, AF Off Aerosp Res, Maccor Inc, Arcotron Ind, FIAMM Grp, GNR Analyt Instruments Grp, Solvay, INARCA, LOT-Oriel, COFI, CINEL Sci Instrumentat, Mat Mates, TA Instruments HO Univ Padova DE Gel electrolyte; Lithium; Aluminum bromide; Interface; Lithium perchlorate; Propylene carbonate; PVdF/HFP ID LI-ION BATTERIES; POLYMERIC ELECTROLYTES; POLY(ETHYLENE OXIDE); TRANSFERENCE NUMBER; SUPER ACID; COMPOSITE; SURFACE; CELLS; TIO2; PERFORMANCE AB Soluble and insoluble inorganic additives have been applied to gel electrolytes in order to study possible enhancement of their characteristics and in this way extend the lifetime of lithium ion batteries. These additives consist of pure aluminum bromide (AlBr(3)) and/or fumed aluminum oxide (Al(2)O(3)) filler, pure and modified with H(2)SO(4). These have been added to lithium perchlorate (LiClO(4)) dissolved in propylene carbonate (PC) giving, in result, electrolytes that can be soaked into PVdF/HFP-based membranes. According to theory, this certain type of additive should improve properties of the electrolyte. For comparison the addition of fillers with Lewis acid surface groups on the properties of gel electrolytes is shown. This article presents measurements of lithium transference numbers, stability of the passive layer between the metallic lithium and gel electrolyte, also spectroscopic measurements of the gel electrolytes have been performed. (C) 2011 Elsevier Ltd. All rights reserved. C1 [Perzyna, Kamil; Borkowska, Regina; Syzdek, Jaroslaw; Zalewska, Aldona; Wieczorek, Wladyslaw] Warsaw Univ Technol, Fac Chem, PL-00664 Warsaw, Poland. [Syzdek, Jaroslaw] Ernest Orlando Lawrence Berkeley Natl Lab, Environm Energy Technol Div, Berkeley, CA 94720 USA. RP Zalewska, A (reprint author), Warsaw Univ Technol, Fac Chem, Ul Noakowskiego 3, PL-00664 Warsaw, Poland. EM aldona@ch.pw.edu.pl NR 30 TC 3 Z9 3 U1 3 U2 31 PU PERGAMON-ELSEVIER SCIENCE LTD PI OXFORD PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND SN 0013-4686 J9 ELECTROCHIM ACTA JI Electrochim. Acta PD DEC 15 PY 2011 VL 57 SI SI BP 58 EP 65 DI 10.1016/j.electacta.2011.06.014 PG 8 WC Electrochemistry SC Electrochemistry GA 867OO UT WOS:000298463900010 ER PT J AU Corbitt, ES Jacob, DJ Holmes, CD Streets, DG Sunderland, EM AF Corbitt, Elizabeth S. Jacob, Daniel J. Holmes, Christopher D. Streets, David G. Sunderland, Elsie M. TI Global Source-Receptor Relationships for Mercury Deposition Under Present-Day and 2050 Emissions Scenarios SO ENVIRONMENTAL SCIENCE & TECHNOLOGY LA English DT Article ID POWER-PLANT PLUMES; ATMOSPHERIC MERCURY; ANTHROPOGENIC SOURCES; MODEL; COASTAL; ACCUMULATION; CIRCULATION; SPECIATION; OXIDATION; EXCHANGE AB Global policies regulating anthropogenic mercury require an understanding of the relationship between emitted and deposited mercury on intercontinental scales. Here, we examine source-receptor relationships for present-day conditions and four 2050 IPCC scenarios encompassing a range of economic development and environmental regulation projections. We use the GEOS-Chem global model to track mercury from its point of emission through rapid cycling in surface ocean and land reservoirs to its accumulation in longer lived ocean and soil pools. Deposited mercury has a local component (emitted Hg(II), lifetime of 3.7 days against deposition) and a global component (emitted Hg(0), lifetime of 6 months against deposition). Fast recycling of deposited mercury through photoreduction of Hg(II) and re-emission of Hg(0) from surface reservoirs (ice, land, surface ocean) increases the effective lifetime of anthropogenic mercury to 9 months against loss to legacy reservoirs (soil pools and the subsurface ocean). This lifetime is still sufficiently short that source-receptor relationships have a strong hemispheric signature. Asian emissions are the largest source of anthropogenic deposition to all ocean basins, though there is also regional source influence from upwind continents. Current anthropogenic emissions account for only about one-third of mercury deposition to the global ocean with the remainder from natural and legacy sources. However, controls on anthropogenic emissions would have the added benefit of reducing the legacy mercury re-emitted to the atmosphere. Better understanding is needed of the time scales for transfer of mercury from active pools to stable geochemical reservoirs. C1 [Corbitt, Elizabeth S.; Jacob, Daniel J.] Harvard Univ, Dept Earth & Planetary Sci, Cambridge, MA 02138 USA. [Jacob, Daniel J.; Sunderland, Elsie M.] Harvard Univ, Sch Engn & Appl Sci, Cambridge, MA 02138 USA. [Holmes, Christopher D.] Univ Calif Irvine, Dept Earth Syst Sci, Irvine, CA 92697 USA. [Streets, David G.] Argonne Natl Lab, Decis & Informat Sci Div, Argonne, IL 60439 USA. [Sunderland, Elsie M.] Harvard Univ, Sch Publ Hlth, Dept Environm Hlth, Boston, MA 02115 USA. RP Corbitt, ES (reprint author), Harvard Univ, Dept Earth & Planetary Sci, 20 Oxford St, Cambridge, MA 02138 USA. EM corbitt@seas.harvard.edu RI Chem, GEOS/C-5595-2014; Holmes, Christopher/C-9956-2014; Sunderland, Elsie/D-5511-2014; OI Holmes, Christopher/0000-0002-2727-0954; Sunderland, Elsie/0000-0003-0386-9548; Streets, David/0000-0002-0223-1350 FU NSF; EPA STAR; Electric Power Research Institute (EPRI) FX We acknowledge financial support for this study from the NSF Atmospheric Chemistry Program, the EPA STAR program, and Electric Power Research Institute (EPRI). E.S.C. acknowledges support from the NSF graduate fellowship program. E.M.S. acknowledges new investigator support from the HSPH-NIEHS Center for Environmental Health. We thank Helen Amos for helpful discussions. NR 53 TC 65 Z9 68 U1 6 U2 76 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0013-936X J9 ENVIRON SCI TECHNOL JI Environ. Sci. Technol. PD DEC 15 PY 2011 VL 45 IS 24 BP 10477 EP 10484 DI 10.1021/es202496y PG 8 WC Engineering, Environmental; Environmental Sciences SC Engineering; Environmental Sciences & Ecology GA 862TZ UT WOS:000298118300031 PM 22050654 ER PT J AU Streets, DG Devane, MK Lu, ZF Bond, TC Sunderland, EM Jacob, DJ AF Streets, David G. Devane, Molly K. Lu, Zifeng Bond, Tami C. Sunderland, Elsie M. Jacob, Daniel J. TI All-Time Releases of Mercury to the Atmosphere from Human Activities SO ENVIRONMENTAL SCIENCE & TECHNOLOGY LA English DT Article ID ANTHROPOGENIC SOURCES; TIBETAN PLATEAU; EMISSIONS; POLLUTION; SILVER; DEPOSITION; RECORDS; CHINA; GOLD; TECHNOLOGIES AB Understanding the biogeochemical cycling of mercury is critical for explaining the presence of mercury in remote regions of the world, such as the Arctic and the Himalayas, as well as local concentrations. While we have good knowledge of present-day fluxes of mercury to the atmosphere, we have little knowledge of what emission levels were like in the past. Here we develop a trend of anthropogenic emissions of mercury to the atmosphere from 1850 to 2008-for which relatively complete data are available-and supplement that trend with an estimate of anthropogenic emissions prior to 1850. Global mercury emissions peaked in 1890 at 2600 Mg yr(-1), fell to 700-800 Mg yr(-1) in the interwar years, then rose steadily after 1950 to present-day levels of 2000 Mg yr(-1). Our estimate for total mercury emissions from human activities over all time is 350 Gg, of which 39% was emitted before 1850 and 61% after 1850. Using an eight-compartment global box-model of mercury biogeochemical cycling, we show that these emission trends successfully reproduce present-day atmospheric enrichment in mercury. C1 [Streets, David G.; Devane, Molly K.; Lu, Zifeng] Argonne Natl Lab, Decis & Informat Sci Div, Argonne, IL 60439 USA. [Bond, Tami C.] Univ Illinois, Dept Civil & Environm Engn, Urbana, IL 61801 USA. [Sunderland, Elsie M.] Harvard Univ, Sch Publ Hlth, Dept Environm Hlth, Boston, MA 02115 USA. [Jacob, Daniel J.] Harvard Univ, Sch Engn & Appl Sci, Cambridge, MA 02138 USA. RP Streets, DG (reprint author), Argonne Natl Lab, Decis & Informat Sci Div, 9700 S Cass Ave, Argonne, IL 60439 USA. EM dstreets@anl.gov RI Lu, Zifeng/F-3266-2012; Bond, Tami/A-1317-2013; Sunderland, Elsie/D-5511-2014; OI Bond, Tami/0000-0001-5968-8928; Sunderland, Elsie/0000-0003-0386-9548; Streets, David/0000-0002-0223-1350 FU U.S. Department of Energy; U.S. Department of Energy [DE-AC02-06CH11357]; U.S. National Science Foundation FX Work at Argonne National Laboratory was supported by the U.S. Department of Energy. Argonne National Laboratory is operated by UChicago Argonne, LLC, under Contract No. DE-AC02-06CH11357 with the U.S. Department of Energy. Work at Harvard University was supported by the U.S. National Science Foundation. E.M.S. acknowledges new investigator support from the HSPH-NIEHS Center for Environmental Health. NR 49 TC 152 Z9 155 U1 12 U2 141 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0013-936X J9 ENVIRON SCI TECHNOL JI Environ. Sci. Technol. PD DEC 15 PY 2011 VL 45 IS 24 BP 10485 EP 10491 DI 10.1021/es202765m PG 7 WC Engineering, Environmental; Environmental Sciences SC Engineering; Environmental Sciences & Ecology GA 862TZ UT WOS:000298118300032 PM 22070723 ER PT J AU Dallmann, TR Harley, RA Kirchstetter, TW AF Dallmann, Timothy R. Harley, Robert A. Kirchstetter, Thomas W. TI Effects of Diesel Particle Filter Retrofits and Accelerated Fleet Turnover on Drayage Truck Emissions at the Port of Oakland SO ENVIRONMENTAL SCIENCE & TECHNOLOGY LA English DT Article ID PARTICULATE MATTER; BLACK CARBON; AIR-POLLUTION; LOS-ANGELES; LONG BEACH; VEHICLES; SYSTEMS; NEIGHBORHOODS; IMPACT; PM AB Heavy-duty diesel drayage trucks have a disproportionate impact on the air quality of communities surrounding major freight-handling facilities. In an attempt to mitigate this impact, the state of California has mandated new emission control requirements for drayage trucks accessing ports and rail yards in the state beginning in 2010. This control rule prompted an accelerated diesel particle filter (DPF) retrofit and truck replacement program at the Port of Oakland. The impact of this program was evaluated by measuring emission factor distributions for diesel trucks operating at the Port of Oakland prior to and following the implementation of the emission control rule. Emission factors for black carbon (BC) and oxides of nitrogen (NOx) were quantified in terms of grams of pollutant emitted per kilogram of fuel burned using a carbon balance method. Concentrations of these species along with carbon dioxide were measured in the exhaust plumes of individual diesel trucks as they drove by en route to the Port. A comparison of emissions measured before and after the implementation of the truck retrofit/replacement rule shows a 54 +/- 11% reduction in the fleet-average BC emission factor, accompanied by a shift to a more highly skewed emission factor distribution. Although only particulate matter mass reductions were required in the first year of the program, a significant reduction in the fleet-average NOx emission factor (41 +/- 5%) was observed, most likely due to the replacement of older trucks with new ones. C1 [Dallmann, Timothy R.; Harley, Robert A.] Univ Calif Berkeley, Dept Civil & Environm Engn, Berkeley, CA 94720 USA. [Kirchstetter, Thomas W.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Dept Atmospher Sci, Berkeley, CA 94720 USA. RP Harley, RA (reprint author), Univ Calif Berkeley, Dept Civil & Environm Engn, Berkeley, CA 94720 USA. EM harley@ce.berkeley.edu RI Harley, Robert/C-9177-2016; OI Harley, Robert/0000-0002-0559-1917; Dallmann, Timothy/0000-0002-6520-7796 FU Bay Area Air Quality Management District; University of California FX We thank Steven DeMartini, Brad Edgar, Drew Gentner, Virginia Lau, Phil Martien, Brian McDonald, and Brent Rudin for their assistance. This research was sponsored by the Bay Area Air Quality Management District and the University of California multicampus research program in sustainable transportation. The statements and conclusions herein are those of the authors and do not necessarily reflect the views of the project sponsors. NR 34 TC 43 Z9 43 U1 2 U2 41 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0013-936X EI 1520-5851 J9 ENVIRON SCI TECHNOL JI Environ. Sci. Technol. PD DEC 15 PY 2011 VL 45 IS 24 BP 10773 EP 10779 DI 10.1021/es202609q PG 7 WC Engineering, Environmental; Environmental Sciences SC Engineering; Environmental Sciences & Ecology GA 862TZ UT WOS:000298118300070 PM 22039954 ER PT J AU Fan, JL Andre, C Xu, CC AF Fan, Jilian Andre, Carl Xu, Changcheng TI A chloroplast pathway for the de novo biosynthesis of triacylglycerol in Chlamydomonas reinhardtii (vol 585, pg 1985, 2011) SO FEBS LETTERS LA English DT Correction C1 [Fan, Jilian; Andre, Carl; Xu, Changcheng] Brookhaven Natl Lab, Dept Biol, Upton, NY 11973 USA. RP Xu, CC (reprint author), Brookhaven Natl Lab, Dept Biol, Upton, NY 11973 USA. EM cxu@bnl.gov NR 1 TC 0 Z9 0 U1 2 U2 16 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 0014-5793 J9 FEBS LETT JI FEBS Lett. PD DEC 15 PY 2011 VL 585 IS 24 BP 4029 EP 4029 DI 10.1016/j.febslet.2011.11.001 PG 1 WC Biochemistry & Molecular Biology; Biophysics; Cell Biology SC Biochemistry & Molecular Biology; Biophysics; Cell Biology GA 862ZT UT WOS:000298133300031 ER PT J AU Reichle, RH Koster, RD De Lannoy, GJM Forman, BA Liu, Q Mahanama, SPP Toure, A AF Reichle, Rolf H. Koster, Randal D. De Lannoy, Gabrielle J. M. Forman, Barton A. Liu, Qing Mahanama, Sarith P. P. Toure, Ally TI Assessment and Enhancement of MERRA Land Surface Hydrology Estimates SO JOURNAL OF CLIMATE LA English DT Article ID DATA ASSIMILATION SYSTEM; CATCHMENT-BASED APPROACH; ERA-INTERIM REANALYSIS; SNOW WATER EQUIVALENT; GLOBAL SOIL-MOISTURE; SATELLITE-OBSERVATIONS; GAUGE OBSERVATIONS; FORECAST SYSTEM; FORCING DATA; PRECIPITATION AB The Modern-Era Retrospective Analysis for Research and Applications (MERRA) is a state-of-the-art reanalysis that provides, in addition to atmospheric fields, global estimates of soil moisture, latent heat flux, snow, and runoff for 1979 present. This study introduces a supplemental and improved set of land surface hydrological fields ("MERRA-Land") generated by rerunning a revised version of the land component of the MERRA system. Specifically, the MERRA-Land estimates benefit from corrections to the precipitation forcing with the Global Precipitation Climatology Project pentad product (version 2.1) and from revised parameter values in the rainfall interception model, changes that effectively correct for known limitations in the MERRA surface meteorological forcings. The skill (defined as the correlation coefficient of the anomaly time series) in land surface hydrological fields from MERRA and MERRA-Land is assessed here against observations and compared to the skill of the state-of-the-art ECMWF Re-Analysis-Interim (ERA-I). MERRA-Land and ERA-I root zone soil moisture skills (against in situ observations at 85 U.S. stations) are comparable and significantly greater than that of MERRA. Throughout the Northern Hemisphere, MERRA and MERRA-Land agree reasonably well with in situ snow depth measurements (from 583 stations) and with snow water equivalent from an independent analysis. Runoff skill (against naturalized stream flow observations from 18 U.S. basins) of MERRA and MERRA-Land is typically higher than that of ERA-I. With a few exceptions, the MERRA-Land data appear more accurate than the original MERRA estimates and are thus recommended for those interested in using MERRA output for land surface hydrological studies. C1 [Reichle, Rolf H.; Koster, Randal D.; De Lannoy, Gabrielle J. M.; Forman, Barton A.; Liu, Qing; Mahanama, Sarith P. P.; Toure, Ally] NASA, Global Modeling & Assimilat Off, Goddard Space Flight Ctr, Greenbelt, MD 20771 USA. [De Lannoy, Gabrielle J. M.; Toure, Ally] Univ Maryland Baltimore Cty, Goddard Earth Sci & Technol Ctr, Baltimore, MD 21228 USA. [De Lannoy, Gabrielle J. M.] Univ Ghent, Lab Hydrol & Water Management, B-9000 Ghent, Belgium. [Forman, Barton A.] Oak Ridge Associated Univ, Oak Ridge, TN USA. [Liu, Qing; Mahanama, Sarith P. P.] Sci Applicat Int Corp, Beltsville, MD USA. RP Reichle, RH (reprint author), NASA, Global Modeling & Assimilat Off, Goddard Space Flight Ctr, Mail Code 610-1,8800 Greenbelt Rd, Greenbelt, MD 20771 USA. EM rolf.reichle@nasa.gov RI Reichle, Rolf/E-1419-2012; Koster, Randal/F-5881-2012; Forman, Barton/I-2227-2012 OI Koster, Randal/0000-0001-6418-6383; FU NASA; ACRIMSAT satellites; Research Foundation Flanders (FWO), Belgium FX Funding for this work was provided by the NASA program on Earth System Science Research using data and products from the Terra, Aqua, and ACRIMSAT satellites. G. De Lannoy is a postdoctoral research fellow supported by the Research Foundation Flanders (FWO), Belgium. B. Forman is a fellow supported by the NASA Postdoctoral Program. Computing was supported by the NASA High End Computing Program. We are grateful for access to the many datasets that supported this work and highly appreciate all those who made them possible, including personnel at USDA, NASA/GSFC, NOAA Climate Prediction Center, Environment Canada, Deutscher Wetterdienst, U.S. Army Corps of Engineers, U.S. Bureau of Reclamation, Columbia River Basin Climate Change Scenarios Database, California Data Exchange Commission, and the European Centre for Medium-Range Weather Forecasts. Thanks also go to G. Huffman and P. Xie for their advice on precipitation data, to M. Tedesco and J. Miller for processing the WMO snow depth data, to T. Martin and G. Starr for the US-SP3 site FLUXNET data, to R. Brown, M. Sturm, and B. Brasnett for the CMC snow analysis data and their support of our study, to D. Miralles for the interception loss fraction data, to C. Jimenez and the GEWEX-LANDFLUX scientists for the multiproduct latent heat data, and to E. Maurer for his assistance in obtaining naturalized streamflow data. Thanks to M. Bosilovich and three anonymous reviewers for many helpful comments. NR 58 TC 173 Z9 176 U1 4 U2 46 PU AMER METEOROLOGICAL SOC PI BOSTON PA 45 BEACON ST, BOSTON, MA 02108-3693 USA SN 0894-8755 J9 J CLIMATE JI J. Clim. PD DEC 15 PY 2011 VL 24 IS 24 BP 6322 EP 6338 DI 10.1175/JCLI-D-10-05033.1 PG 17 WC Meteorology & Atmospheric Sciences SC Meteorology & Atmospheric Sciences GA 863XJ UT WOS:000298201300004 ER PT J AU Mahajan, S Zhang, R Delworth, TL AF Mahajan, Salil Zhang, Rong Delworth, Thomas L. TI Impact of the Atlantic Meridional Overturning Circulation (AMOC) on Arctic Surface Air Temperature and Sea Ice Variability SO JOURNAL OF CLIMATE LA English DT Article ID COUPLED CLIMATE MODELS; OCEAN; RAINFALL; INCREASE AB The simulated impact of the Atlantic meridional overturning circulation (AMOC) on the low-frequency variability of the Arctic surface air temperature (SAT) and sea ice extent is studied with a 1000-year-long segment of a control simulation of the Geophysical Fluid Dynamics Laboratory Climate Model version 2.1. The simulated AMOC variations in the control simulation are found to be significantly anticorrelated with the Arctic sea ice extent anomalies and significantly correlated with the Arctic SAT anomalies on decadal time scales in the Atlantic sector of the Arctic. The maximum anticorrelation with the Arctic sea ice extent and the maximum correlation with the Arctic SAT occur when the AMOC index leads by one year. An intensification of the AMOC is associated with a sea ice decline in the Labrador, Greenland, and Barents Seas in the control simulation, with the largest change occurring in winter. The recent declining trend in the satellite-observed sea ice extent also shows a similar pattern in the Atlantic sector of the Arctic in the winter, suggesting the possibility of a role of the AMOC in the recent Arctic sea ice decline in addition to anthropogenic greenhouse-gas-induced warming. However, in the summer, the simulated sea ice response to the AMOC in the Pacific sector of the Arctic is much weaker than the observed declining trend, indicating a stronger role for other climate forcings or variability in the recently observed summer sea ice decline in the Chukchi, Beaufort, East Siberian, and Laptev Seas. C1 [Mahajan, Salil] Princeton Univ, Atmospher & Ocean Sci Program, Princeton, NJ 08544 USA. [Zhang, Rong; Delworth, Thomas L.] Geophys Fluid Dynam Lab, Princeton, NJ USA. RP Mahajan, S (reprint author), Oak Ridge Natl Lab, 1 Bethel Valley Rd, Oak Ridge, TN 37830 USA. EM mahajans@ornl.gov RI Delworth, Thomas/C-5191-2014; Zhang, Rong/D-9767-2014; OI Zhang, Rong/0000-0002-8493-6556; Mahajan, Salil/0000-0001-5767-8590 FU Princeton University; GFDL/NOAA FX We thank Keith W. Dixon, John R. Lanzante, Michael Winton, and three anonymous reviewers, whose suggestions and comments helped improve the manuscript. Mahajan S. was supported by the Visiting Scientist Program jointly sponsored by Princeton University and GFDL/NOAA. NR 36 TC 46 Z9 47 U1 2 U2 29 PU AMER METEOROLOGICAL SOC PI BOSTON PA 45 BEACON ST, BOSTON, MA 02108-3693 USA SN 0894-8755 EI 1520-0442 J9 J CLIMATE JI J. Clim. PD DEC 15 PY 2011 VL 24 IS 24 BP 6573 EP 6581 DI 10.1175/2011JCLI4002.1 PG 9 WC Meteorology & Atmospheric Sciences SC Meteorology & Atmospheric Sciences GA 863XJ UT WOS:000298201300021 ER PT J AU Li, JN Mlawer, E Chylek, P AF Li, Jiangnan Mlawer, Eli Chylek, Petr TI Parameterization of cloud optical properties for semidirect radiative forcing SO JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES LA English DT Article ID ABSORBING AEROSOLS; BLACK CARBON; WATER CLOUDS; SCATTERING; CLIMATE; ALBEDO AB A parameterization of liquid cloud optical properties with a mixture of black carbon is proposed. It is found that the changes in cloud optical properties due to mixture of black carbon can be treated as a perturbation to existing cloud optical property parameterizations in climate models. The advantage of the proposed scheme is that current cloud optical property parameterizations used in climate models can be kept. It is shown that the dominant factor with respect to radiative forcing due to the inclusion of black carbon in cloud droplets is the resulting change in single-scattering albedo values. Therefore, a simple scheme to modify only the single-scattering albedo is considered. The additional consideration of the modification of asymmetry factor only applies to the case of very large black carbon volume fraction. The results in a one-dimensional radiation model show that internal mixtures of black carbon can have a significant impact on solar flux and heating rates. For a black carbon volume fraction of 10(-7), the reduction in solar flux at the top of the atmosphere can be over 0.5 Wm(-2) and the heating rate can increase by about 0.08 Kd(-1) for a solar zenith angle of 53 degrees. C1 [Li, Jiangnan] Univ Victoria, Sci & Technol Branch, Canadian Ctr Climate Modelling & Anal, Environm Canada, Victoria, BC V8W 2Y2, Canada. [Chylek, Petr] Los Alamos Natl Lab, Los Alamos, NM 87545 USA. [Mlawer, Eli] Atmospher & Environm Res Inc, Lexington, MA 01854 USA. RP Li, JN (reprint author), Univ Victoria, Sci & Technol Branch, Canadian Ctr Climate Modelling & Anal, Environm Canada, POB 1700, Victoria, BC V8W 2Y2, Canada. EM jiangnan.li@ec.gc.ca; emlawer@aer.com; chylek@lanl.gov RI Li, Jiangnan/J-6262-2016 FU U.S. DOE FX The authors would like to thank the three anonymous reviewers for helpful comments. Petr Chylek was supported in part by the U.S. DOE ASR and ARM programs. NR 30 TC 8 Z9 8 U1 0 U2 1 PU AMER GEOPHYSICAL UNION PI WASHINGTON PA 2000 FLORIDA AVE NW, WASHINGTON, DC 20009 USA SN 2169-897X EI 2169-8996 J9 J GEOPHYS RES-ATMOS JI J. Geophys. Res.-Atmos. PD DEC 15 PY 2011 VL 116 AR D23212 DI 10.1029/2011JD016611 PG 11 WC Meteorology & Atmospheric Sciences SC Meteorology & Atmospheric Sciences GA 864QQ UT WOS:000298255300011 ER PT J AU Murray, IP Lou, SJ Cote, LJ Loser, S Kadleck, CJ Xu, T Szarko, JM Rolczynski, BS Johns, JE Huang, JX Yu, LP Chen, LX Marks, TJ Hersam, MC AF Murray, Ian P. Lou, Sylvia J. Cote, Laura J. Loser, Stephen Kadleck, Cameron J. Xu, Tao Szarko, Jodi M. Rolczynski, Brian S. Johns, James E. Huang, Jiaxing Yu, Luping Chen, Lin X. Marks, Tobin J. Hersam, Mark C. TI Graphene Oxide Inter layers for Robust, High-Efficiency Organic Photovoltaics SO JOURNAL OF PHYSICAL CHEMISTRY LETTERS LA English DT Article ID POLYMER SOLAR-CELLS; ANODE INTERFACIAL LAYER; BULK; SURFACE; DEGRADATION; DEVICES AB Organic photovoltaic (OPV) materials have recently garnered significant attention as enablers of high power conversion efficiency (PCE), low-cost, mechanically flexible solar cells. Nevertheless, further understanding-based materials developments will be required to achieve full commercial viability. In particular, the performance and durability of many current generation OPVs are limited by poorly understood interfacial phenomena. Careful analysis of typical OPV architectures reveals that the standard electron-blocking layer, poly-3,4-ethylenedioxy-thiophene:poly(styrene sulfonate) (PEDOT:PSS), is likely a major factor limiting the device durability and possibly performance. Here we report that a single layer of electronically tuned graphene oxide is an effective replacement for PEDOT:PSS and that it significantly enhances device durability while concurrently templating a performance-optimal active layer pi-stacked face-on microstructure. Such OPVs based on graphene oxide exhibit PCEs as high as 7.5% while providing a 5 x enhancement in thermal aging lifetime and a 20 x enhancement in humid ambient lifetime versus analogous PEDOT:PSS-based devices. C1 [Murray, Ian P.; Lou, Sylvia J.; Loser, Stephen; Kadleck, Cameron J.; Xu, Tao; Szarko, Jodi M.; Rolczynski, Brian S.; Yu, Luping; Chen, Lin X.; Marks, Tobin J.; Hersam, Mark C.] Argonne NW Solar Energy Res Ctr, Evanston, IL 60208 USA. [Murray, Ian P.; Cote, Laura J.; Kadleck, Cameron J.; Johns, James E.; Huang, Jiaxing; Marks, Tobin J.; Hersam, Mark C.] Northwestern Univ, Dept Mat Sci & Engn, Evanston, IL 60208 USA. [Lou, Sylvia J.; Loser, Stephen; Szarko, Jodi M.; Rolczynski, Brian S.; Chen, Lin X.; Marks, Tobin J.; Hersam, Mark C.] Northwestern Univ, Dept Chem, Evanston, IL 60208 USA. [Chen, Lin X.] Argonne Natl Lab, Chem Sci & Engn Div, Argonne, IL 60439 USA. [Xu, Tao; Yu, Luping] Univ Chicago, Dept Chem, Chicago, IL 60637 USA. [Hersam, Mark C.] Northwestern Univ, Dept Med, Evanston, IL 60208 USA. RP Yu, LP (reprint author), Argonne NW Solar Energy Res Ctr, Evanston, IL 60208 USA. EM lupingyu@uchicago.edu; lchen@anl.gov; t-marks@northwestern.edu; m-hersam@northwestern.edu RI Huang, Jiaxing/A-9417-2012; Hersam, Mark/B-6739-2009; Huang, Jiaxing/B-7521-2009; OI Szarko, Jodi/0000-0002-2181-9408 FU U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences [DE-SC0001059]; NSF-MRSEC through the Northwestern University Materials Research Science and Engineering Center for providing characterization facilities [DMR-0520513]; NSF-CAREER [DMR 0955612]; National Defense Science and Engineering; NSF-NSEC; NSF-MRSEC; Keck Foundation; State of Illinois; Northwestern University FX We thank the ANSER Center, an Energy Frontier Research Center funded by the U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences, under Award Number DE-SC0001059 for support of this research, and the NSF-MRSEC program through the Northwestern University Materials Research Science and Engineering Center for providing characterization facilities (DMR-0520513). J.H. and L.C. thank NSF-CAREER (Grant DMR 0955612) for support, and I.P.M. thanks the National Defense Science and Engineering Graduate Fellowship Program for fellowship support. This work utilized public facilities within the NUANCE Center, which is supported by the NSF-NSEC, NSF-MRSEC, Keck Foundation, State of Illinois, and Northwestern University. We also thank J. Servaites, B. Savoie, D. Herman, and J. Wang for helpful discussions. NR 41 TC 100 Z9 100 U1 4 U2 73 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 1948-7185 J9 J PHYS CHEM LETT JI J. Phys. Chem. Lett. PD DEC 15 PY 2011 VL 2 IS 24 BP 3006 EP 3012 DI 10.1021/jz201493d PG 7 WC Chemistry, Physical; Nanoscience & Nanotechnology; Materials Science, Multidisciplinary; Physics, Atomic, Molecular & Chemical SC Chemistry; Science & Technology - Other Topics; Materials Science; Physics GA 864CQ UT WOS:000298215000001 ER PT J AU Gregg, BA AF Gregg, Brian A. TI Entropy of Charge Separation in Organic Photovoltaic Cells: The Benefit of Higher Dimensionality SO JOURNAL OF PHYSICAL CHEMISTRY LETTERS LA English DT Article ID SOLAR-CELLS AB The role of entropy in charge separation processes is discussed with respect to the dimensionality of the organic semiconductor. In 1-D materials, the change in entropy, Delta S, plays no role, but at higher dimensions, it leads to a substantial decrease in the Coulomb barrier for charge separation. The effects of Delta S are highest in equilibrium systems but decrease and become time-dependent in illuminated organic photovoltaic (OPV) cells. Higher-dimensional semiconductors have inherent advantages for charge separation, and this may be one reason that C(60) and its derivatives, the only truly three-dimensional organic semiconductors yet known, play such an important role in OPV cells. C1 Natl Renewable Energy Lab, Golden, CO 80401 USA. RP Gregg, BA (reprint author), Natl Renewable Energy Lab, 1617 Cole Blvd, Golden, CO 80401 USA. EM brian.gregg@nrel.gov FU U.S. Department of Energy, Office of Science, Basic Energy Science, Division of Chemical Sciences, Geosciences, and Biosciences [DE-AC36-08GO28308] FX We thank Ross Larsen and Marshall Newton for helpful discussions. This work was funded by the U.S. Department of Energy, Office of Science, Basic Energy Science, Division of Chemical Sciences, Geosciences, and Biosciences, under Contract No. DE-AC36-08GO28308 to NREL. NR 8 TC 89 Z9 89 U1 6 U2 47 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 1948-7185 J9 J PHYS CHEM LETT JI J. Phys. Chem. Lett. PD DEC 15 PY 2011 VL 2 IS 24 BP 3013 EP 3015 DI 10.1021/jz2012403 PG 3 WC Chemistry, Physical; Nanoscience & Nanotechnology; Materials Science, Multidisciplinary; Physics, Atomic, Molecular & Chemical SC Chemistry; Science & Technology - Other Topics; Materials Science; Physics GA 864CQ UT WOS:000298215000002 ER PT J AU Cossairt, BM Juhas, P Billinge, SJL Owen, JS AF Cossairt, Brandi M. Juhas, Pavol Billinge, Simon J. L. Owen, Jonathan S. TI Tuning the Surface Structure and Optical Properties of CdSe Clusters Using Coordination Chemistry SO JOURNAL OF PHYSICAL CHEMISTRY LETTERS LA English DT Article ID QUANTUM DOTS; SEMICONDUCTOR NANOCRYSTALS; ENERGY-TRANSFER; LUMINESCENCE; PHOTOPHYSICS; CONVERSION; MOLECULES; EMISSION; DYNAMICS; EXCITON AB A series of nonstoichiometric CdSe clusters with lowest energy electronic absorptions between 409 and 420 nm has been prepared from cadmium 1-naphthoate, 2-naphthoate, 4-thiomethyl-1-naphthaote, and 1-naphthalene thiolate complexes and diphenylphosphine selenide (DPPSe). Pair distribution function analysis of X-ray diffraction data, ligand exchange experiments, and NMR molecular weight analyses suggest the nanocrystal core changes minimally among these clusters despite significant changes to their absorption and luminescence spectra. Photoluminescence excitation spectra obtained at 77 K reveal an energy transfer process between the surface-trapped excited state and the naphthalene-containing ligands that leads to ligand phosphorescence. A Dexter energy transfer mechanism is proposed to explain the observation of ligand phosphorescence on excitation of the cluster. These compounds demonstrate that cluster absorption and trap luminescence can be controlled with surface coordination chemistry. C1 [Cossairt, Brandi M.; Owen, Jonathan S.] Columbia Univ, Dept Chem, New York, NY 10027 USA. [Juhas, Pavol; Billinge, Simon J. L.] Columbia Univ, Dept Appl Phys & Appl Math, New York, NY 10027 USA. [Billinge, Simon J. L.] Brookhaven Natl Lab, Condensed Matter Phys & Mat Sci Dept, Upton, NY 11973 USA. RP Owen, JS (reprint author), Columbia Univ, Dept Chem, Havemeyer Hall,MC 3121,3000 Broadway, New York, NY 10027 USA. EM jso2115@columbia.edu OI Juhas, Pavol/0000-0001-8751-4458; Owen, Jonathan/0000-0001-5502-3267 FU NIH via NASA [10484140]; U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences [DE-SC0001085]; U.S. DOE [DE-AC02-06CH11357, DE-AC02-98CH10886] FX B.M.C. thanks the NIH for postdoctoral funding via an NASA Grant 10484140. Photophysical and atomic pair distribution function studies are supported as part of the Center for ReDefining Photovoltaic Efficiency Through Molecule Scale Control, an Energy Frontier Research Center funded by the U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences under Award Number DE-SC0001085. J.S.O. thanks 3M Corporation for a nontenured faculty grant in support of this work. Use of the Advanced Photon Source, an Office of Science User Facility operated for the U.S. Department of Energy (DOE) Office of Science by Argonne National Laboratory, was supported by the U.S. DOE under Contract No. DE-AC02-06CH11357. Use of the National Synchrotron Light Source, Brookhaven National Laboratory, was supported by the U.S. DOE under Contract No. DE-AC02-98CH10886. NR 35 TC 30 Z9 30 U1 2 U2 49 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 1948-7185 J9 J PHYS CHEM LETT JI J. Phys. Chem. Lett. PD DEC 15 PY 2011 VL 2 IS 24 BP 3075 EP 3080 DI 10.1021/jz2013769 PG 6 WC Chemistry, Physical; Nanoscience & Nanotechnology; Materials Science, Multidisciplinary; Physics, Atomic, Molecular & Chemical SC Chemistry; Science & Technology - Other Topics; Materials Science; Physics GA 864CQ UT WOS:000298215000014 PM 22229074 ER PT J AU Labastide, JA Baghgar, M Dujovne, I Yang, YP Dinsmore, AD Sumpter, BG Venkataraman, D Barnes, MD AF Labastide, Joelle A. Baghgar, Mina Dujovne, Irene Yang, Yipeng Dinsmore, Anthony D. Sumpter, Bobby G. Venkataraman, Dhandapani Barnes, Michael D. TI Polymer Nanoparticle Super lattices for Organic Photovoltaic Applications SO JOURNAL OF PHYSICAL CHEMISTRY LETTERS LA English DT Article ID HARD-SPHERE COLLOIDS; CONJUGATED POLYMERS; SUPERLATTICE FORMATION; INTEGRAL-EQUATIONS; BINARY-MIXTURES; BLEND FILMS; POLYTHIOPHENE; RELAXATION; P3HT/PCBM; DYNAMICS AB In this Perspective, we discuss the possibility of constructing binary nanoparticle superlattices for organic photovoltaic applications and some of the interesting new photophysics emerging from preliminary studies. We summarize recent advances in nanoparticle preparation and photophysical characterization and some of the very interesting observed departures from thin-film photoluminescence dynamics. We conclude by discussing some of the challenges ahead and the possibility of new emergent physics in the assembly of polymer nanoparticles into functional devices. C1 [Labastide, Joelle A.; Dujovne, Irene; Venkataraman, Dhandapani; Barnes, Michael D.] Univ Massachusetts, Dept Chem, Amherst, MA 01003 USA. [Baghgar, Mina; Yang, Yipeng; Dinsmore, Anthony D.; Barnes, Michael D.] Univ Massachusetts, Dept Phys, Amherst, MA 01003 USA. [Sumpter, Bobby G.] Oak Ridge Natl Lab, Comp Sci & Math Div, Oak Ridge, TN 37831 USA. [Sumpter, Bobby G.] Oak Ridge Natl Lab, Ctr Nanophase Mat Sci, Oak Ridge, TN 37831 USA. RP Barnes, MD (reprint author), Univ Massachusetts, Dept Chem, 710 N Pleasant St, Amherst, MA 01003 USA. EM dv@chem.umass.edu; mdbarnes@chem.umass.edu RI Sumpter, Bobby/C-9459-2013; Venkataraman, Dhandapani/A-8226-2008 OI Sumpter, Bobby/0000-0001-6341-0355; Venkataraman, Dhandapani/0000-0003-2906-0579 FU Polymer-Based Materials for Harvesting Solar Energy, an Energy Frontier Research Center; U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences [DE-SC0001087]; NSF-MRSEC [DMR-0820506]; U.S. Department of Energy Basic Energy Sciences [DE-FG02-05ER15965]; Scientific User Facilities Division, Office of Basic Energy Sciences, U.S. Department of Energy FX This material is based on work supported as part of Polymer-Based Materials for Harvesting Solar Energy, an Energy Frontier Research Center funded by the U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences under Award Number DE-SC0001087. J.A.L. and M.B. acknowledge support from the NSF-MRSEC (DMR-0820506). I.D. and MD.B. acknowledge support of the U.S. Department of Energy Basic Energy Sciences (DE-FG02-05ER15965). Some of the preliminary computations were performed at the Center for Nanophase Materials Sciences, sponsored by the Scientific User Facilities Division, Office of Basic Energy Sciences, U.S. Department of Energy. The assistance of Aidan McKenna and Austin Barnes for nanoparticle preparation and size characterization is gratefully acknowledged. NR 55 TC 32 Z9 32 U1 1 U2 64 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 1948-7185 J9 J PHYS CHEM LETT JI J. Phys. Chem. Lett. PD DEC 15 PY 2011 VL 2 IS 24 BP 3085 EP 3091 DI 10.1021/jz2012275 PG 7 WC Chemistry, Physical; Nanoscience & Nanotechnology; Materials Science, Multidisciplinary; Physics, Atomic, Molecular & Chemical SC Chemistry; Science & Technology - Other Topics; Materials Science; Physics GA 864CQ UT WOS:000298215000016 ER PT J AU Chan, MKY Long, BR Gewirth, AA Greeley, JP AF Chan, Maria K. Y. Long, Brandon R. Gewirth, Andrew A. Greeley, Jeffrey P. TI The First-Cycle Electrochemical Lithiation of Crystalline Ge: Dopant and Orientation Dependence and Comparison with Si SO JOURNAL OF PHYSICAL CHEMISTRY LETTERS LA English DT Article ID ION BATTERY ANODES; NEGATIVE ELECTRODES; AB-INITIO; LITHIUM; LI; GERMANIUM; NANOWIRES; CAPACITY; ALLOYS AB We use first principles Density Functional Theory (DFT), cyclic voltammetry (CV), and Raman spectroscopy to investigate the first-cycle electrochemical lithiation of Ge in comparison with Si - both high-capacity anode materials for Li ion batteries. DFT shows a significant difference in the dilute solubility of Li in Si and Ge, despite similarities in their chemical and physical properties. We attribute this difference to electronic, as opposed to elastic, effects. CV and Raman data reveal little dopant dependence in the lithiation onset voltages in Ge, unlike in Si, due to a smaller energy difference between dilute Li insertion in p-type Ge and bulk germanide formation than the corresponding difference in Si. Finally, we show that there is no orientation dependence in lithiation onset voltages in Ge. We conclude that approaches other than microstructuring are needed to fabricate effective electrodes able to take advantage of the higher rate capability of Ge compared to that of Si. C1 [Long, Brandon R.; Gewirth, Andrew A.] Univ Illinois, Dept Chem, Urbana, IL 61801 USA. [Chan, Maria K. Y.; Greeley, Jeffrey P.] Argonne Natl Lab, Ctr Nanoscale Mat, Argonne, IL 60439 USA. RP Gewirth, AA (reprint author), Univ Illinois, Dept Chem, Urbana, IL 61801 USA. EM agewirth@illinois.edu; jgreeley@anl.gov RI Chan, Maria /B-7940-2011 OI Chan, Maria /0000-0003-0922-1363 FU Center for Electrical Energy Storage (CEES): Tailored Interfaces, an Energy Frontier Research Center; U.S. Department of Energy, Office of Basic Energy Sciences; U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences [DE-AC02-06CH11357]; U.S. Department of Energy [DE-FG02-07ER46453, DE-FG02-07ER46471] FX This work was supported by the Center for Electrical Energy Storage (CEES): Tailored Interfaces, an Energy Frontier Research Center funded by the U.S. Department of Energy, Office of Basic Energy Sciences. Use of the Center for Nanoscale Materials was supported by the U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences, under Contract DE-AC02-06CH11357. We acknowledge the use of the Fusion Cluster in the Laboratory Computing Resource Center at Argonne National Laboratory. SIMS and profilometry experiments were carried out in part in the Frederick Seitz Materials Research Laboratory Central Facilities, University of Illinois, which are partially supported by the U.S. Department of Energy under Grants DE-FG02-07ER46453 and DE-FG02-07ER46471. NR 28 TC 25 Z9 25 U1 1 U2 67 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 1948-7185 J9 J PHYS CHEM LETT JI J. Phys. Chem. Lett. PD DEC 15 PY 2011 VL 2 IS 24 BP 3092 EP 3095 DI 10.1021/jz201432d PG 4 WC Chemistry, Physical; Nanoscience & Nanotechnology; Materials Science, Multidisciplinary; Physics, Atomic, Molecular & Chemical SC Chemistry; Science & Technology - Other Topics; Materials Science; Physics GA 864CQ UT WOS:000298215000017 ER PT J AU Lee, J Sorescu, DC Deng, XY Jordan, KD AF Lee, Junseok Sorescu, Dan C. Deng, Xingyi Jordan, Kenneth D. TI Diffusion of CO2 on the Rutile TiO2(110) Surface SO JOURNAL OF PHYSICAL CHEMISTRY LETTERS LA English DT Article ID CARBON-DIOXIDE; PHOTOCATALYSIS; DISSOCIATION; ADSORPTION; CHEMISTRY; H2O AB The diffusion of CO2 molecules on a reduced rutile TiO2(110)-(1x1) surface has been investigated using scanning tunneling microscopy (STM) and density functional theory (DFT) calculations. The STM feature associated with a CO2 molecule at an oxygen vacancy (V-O) becomes increasingly streaky with increasing temperature, indicating thermally activated CO2 diffusion from the V-O site. From temperature-dependent tunneling current measurements, the barrier for diffusion of CO2 from the V-O site is estimated to be 3.31 +/- 0.23 kcal/mol. The corresponding value from the DFT calculations is 3.80 kcal/mol. In addition, the DFT calculations give a barrier for diffusion of CO2 along Ti rows of only 1.33 kcal/mol. C1 [Lee, Junseok; Sorescu, Dan C.; Jordan, Kenneth D.] US DOE, Natl Energy Technol Lab, Pittsburgh, PA 15236 USA. [Jordan, Kenneth D.] US DOE, Dept Chem, Pittsburgh, PA 15260 USA. RP Lee, J (reprint author), US DOE, Natl Energy Technol Lab, Pittsburgh, PA 15236 USA. EM junseok.lee@netl.doe.gov OI Deng, Xingyi/0000-0001-9109-1443 FU National Energy Technology Laboratory's ongoing research under the RES [DE-FE0004000] FX The research was performed in support of the National Energy Technology Laboratory's ongoing research under the RES contract DE-FE0004000. We acknowledge a grant of computer time at Pittsburgh Supercomputer Center. NR 26 TC 13 Z9 13 U1 8 U2 73 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 1948-7185 J9 J PHYS CHEM LETT JI J. Phys. Chem. Lett. PD DEC 15 PY 2011 VL 2 IS 24 BP 3114 EP 3117 DI 10.1021/jz201339n PG 4 WC Chemistry, Physical; Nanoscience & Nanotechnology; Materials Science, Multidisciplinary; Physics, Atomic, Molecular & Chemical SC Chemistry; Science & Technology - Other Topics; Materials Science; Physics GA 864CQ UT WOS:000298215000020 ER PT J AU Ma, LL Wang, L Xue, YF Wang, YD Li, N Ren, Y Zhang, HF Wang, AM AF Ma, L. L. Wang, L. Xue, Y. F. Wang, Y. D. Li, N. Ren, Y. Zhang, H. F. Wang, A. M. TI An in situ high-energy X-ray diffraction study of micromechanical behavior of Zr-based metallic glass reinforced porous W matrix composite SO MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING LA English DT Article DE Bulk metallic glass; Composite; High energy X-ray diffraction; Self-consistent; Micromechanical behavior ID COMPRESSIVE DEFORMATION; STRAIN-MEASUREMENTS; DUCTILE PARTICLES; TOUGHNESS AB The micromechanical behavior of the Zr-based metallic glass reinforced porous W matrix composite was investigated by means of in situ high-energy synchrotron X-ray diffraction (HEXRD) during uniaxial compression. The lattice strain of the W phase during compressive deformation was quantitatively measured by fitting diffraction patterns. A self-consistent model was accordingly used to simulate the mechanical properties of the W phase. The stress and strain distributions of the Zr-based metallic glass phase were calculated using the rule of mixture. The results indicated that the W phase yielded firstly in the early stage of deformation, while the metallic glass phase remained elastic. The transfer of the load accelerated with the stress increased. The formation and propagation of shear bands contributed to the deformation of the metallic glass phase. (C) 2011 Elsevier B.V. All rights reserved. C1 [Ma, L. L.; Wang, L.; Xue, Y. F.; Wang, Y. D.; Li, N.] Beijing Inst Technol, Sch Mat Sci & Engn, Beijing 100081, Peoples R China. [Ma, L. L.] Qinghai Univ, Adv Mat Lab, Xining 810016, Peoples R China. [Ren, Y.] Argonne Natl Lab, Xray Sci Div, Argonne, IL 60439 USA. [Zhang, H. F.; Wang, A. M.] Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China. RP Xue, YF (reprint author), Beijing Inst Technol, Sch Mat Sci & Engn, Beijing 100081, Peoples R China. EM xueyunfei@bit.edu.cn RI ran, shi/G-9380-2013; wang, yandong/G-9404-2013; Xue, yunfei/G-6576-2014; wang, am/P-2147-2016 OI Xue, yunfei/0000-0002-2950-788X; FU National Natural Science Foundation of China [10872032]; US Department of Energy, Office of Science Laboratory FX This work is supported by National Natural Science Foundation of China (Grant No. 10872032). The use of the Advanced Photon Source was supported by the US Department of Energy, Office of Science Laboratory. NR 19 TC 1 Z9 1 U1 0 U2 11 PU ELSEVIER SCIENCE SA PI LAUSANNE PA PO BOX 564, 1001 LAUSANNE, SWITZERLAND SN 0921-5093 J9 MAT SCI ENG A-STRUCT JI Mater. Sci. Eng. A-Struct. Mater. Prop. Microstruct. Process. PD DEC 15 PY 2011 VL 530 BP 344 EP 348 DI 10.1016/j.msea.2011.09.094 PG 5 WC Nanoscience & Nanotechnology; Materials Science, Multidisciplinary; Metallurgy & Metallurgical Engineering SC Science & Technology - Other Topics; Materials Science; Metallurgy & Metallurgical Engineering GA 865KZ UT WOS:000298311100042 ER PT J AU Battistoni, G Broggi, F Brugger, M Campanella, M Carboni, M Empl, A Fasso, A Gadioli, E Cerutti, F Ferrari, A Ferrari, A Lantz, M Mairani, A Margiotta, M Morone, C Muraro, S Parodi, K Patera, V Pelliccioni, M Pinsky, L Ranft, J Roesler, S Rollet, S Sala, PR Santana, M Sarchiapone, L Sioli, M Smirnov, G Sommerer, F Theis, C Trovati, S Villari, R Vincke, H Vincke, H Vlachoudis, V Vollaire, J Zapp, N AF Battistoni, Giuseppe Broggi, Francesco Brugger, Markus Campanella, Mauro Carboni, Massimo Empl, Anton Fasso, Alberto Gadioli, Ettore Cerutti, Francesco Ferrari, Alfredo Ferrari, Anna Lantz, Matthias Mairani, Andrea Margiotta, M. Morone, Cristina Muraro, Silvia Parodi, Katia Patera, Vincenzo Pelliccioni, Mauricio Pinsky, Larry Ranft, Johannes Roesler, Stefan Rollet, Sofia Sala, Paola R. Santana, Mario Sarchiapone, Lucia Sioli, Massimiliano Smirnov, George Sommerer, Florian Theis, Christian Trovati, Stefania Villari, R. Vincke, Heinz Vincke, Helmut Vlachoudis, Vasilis Vollaire, Joachim Zapp, Neil TI Applications of FLUKA Monte Carlo code for nuclear and accelerator physics SO NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS LA English DT Article; Proceedings Paper CT 10th European Conference on Accelerators in Applied Research and Technology (ECAART) CY SEP 13-17, 2010 CL Athens, GREECE SP Aristotle Univ Thessaloniki, Fac Sci, Natl Tech Univ Athens, Natl Ctr Sci Res Demokritos, Natl Kapodistrian Univ Athens, Training Ctr Natl Bank Greece, Int Atom Energy Agcy, High Voltage Engn, Natl Electrostat Corp, Oxford Microbeams Ltd, Mesytec GmbH, MegaLab Co DE FLORA; Simulation; nTOF; LHC AB FLUKA is a general purpose Monte Carlo code capable of handling all radiation components from thermal energies (for neutrons) or 1 key (for all other particles) to cosmic ray energies and can be applied in many different fields. Presently the code is maintained on Linux. The validity of the physical models implemented in FLUKA has been benchmarked against a variety of experimental data over a wide energy range, from accelerator data to cosmic ray showers in the Earth atmosphere. FLUKA is widely used for studies related both to basic research and to applications in particle accelerators, radiation protection and dosimetry, including the specific issue of radiation damage in space missions, radiobiology (including radiotherapy) and cosmic ray calculations. After a short description of the main features that make FLUKA valuable for these topics, the present paper summarizes some of the recent applications of the FLUKA Monte Carlo code in the nuclear as well high energy physics. In particular it addresses such topics as accelerator related applications. (C) 2011 Elsevier B.V. All rights reserved. C1 [Brugger, Markus; Cerutti, Francesco; Ferrari, Alfredo; Roesler, Stefan; Smirnov, George; Theis, Christian; Trovati, Stefania; Vincke, Heinz; Vincke, Helmut; Vlachoudis, Vasilis; Vollaire, Joachim] CERN, CH-1211 Geneva 23, Switzerland. [Battistoni, Giuseppe; Broggi, Francesco; Campanella, Mauro; Gadioli, Ettore; Muraro, Silvia; Sala, Paola R.] Ist Nazl Fis Nucl, I-20133 Milan, Italy. [Fasso, Alberto; Santana, Mario] SLAC, Stanford, CA USA. [Ranft, Johannes] Univ Siegen, Siegen, Germany. [Carboni, Massimo] Ist Nazl Fis Nucl, Legnaro, Italy. [Ferrari, Anna; Patera, Vincenzo; Pelliccioni, Mauricio; Villari, R.] Ist Nazl Fis Nucl, Frascati, Italy. [Morone, Cristina] Ist Nazl Fis Nucl, Rome, Italy. [Morone, Cristina] Univ Roma Tor Vergata, Rome, Italy. [Margiotta, M.; Sioli, Massimiliano] Ist Nazl Fis Nucl, I-40126 Bologna, Italy. [Margiotta, M.; Sioli, Massimiliano] Univ Bologna, Bologna, Italy. [Parodi, Katia; Sommerer, Florian] HIT, Heidelberg, Germany. [Empl, Anton; Pinsky, Larry] Univ Houston, Houston, TX USA. [Zapp, Neil] NASA, Houston, TX USA. [Parodi, Katia; Sommerer, Florian] ARC Seibersdorf, Seibersdorf, Austria. [Lantz, Matthias] Riken Lab, Wako, Saitama, Japan. RP Vlachoudis, V (reprint author), CERN, CH-1211 Geneva 23, Switzerland. EM Vasilis.Vlachoudis@cern.ch RI sala, paola/E-2868-2013; Morone, Maria Cristina/P-4407-2016; Battistoni, Giuseppe/B-5264-2012; OI sala, paola/0000-0001-9859-5564; Morone, Maria Cristina/0000-0002-0200-0632; Battistoni, Giuseppe/0000-0003-3484-1724; Carboni, Massimo/0000-0003-4296-3799; , Sofia/0000-0002-4389-3641 NR 21 TC 7 Z9 7 U1 3 U2 16 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 0168-583X J9 NUCL INSTRUM METH B JI Nucl. Instrum. Methods Phys. Res. Sect. B-Beam Interact. Mater. Atoms PD DEC 15 PY 2011 VL 269 IS 24 BP 2850 EP 2856 DI 10.1016/j.nimb.2011.04.028 PG 7 WC Instruments & Instrumentation; Nuclear Science & Technology; Physics, Atomic, Molecular & Chemical; Physics, Nuclear SC Instruments & Instrumentation; Nuclear Science & Technology; Physics GA 866EO UT WOS:000298363500003 ER PT J AU Sadi, S Paulenova, A Loveland, WD Watson, PR Greene, JP Zinkann, GP AF Sadi, S. Paulenova, A. Loveland, W. D. Watson, P. R. Greene, J. P. Zinkann, G. P. TI Microstructure damage of titanium films by irradiation with fission fragments SO NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS LA English DT Article; Proceedings Paper CT 10th European Conference on Accelerators in Applied Research and Technology (ECAART) CY SEP 13-17, 2010 CL Athens, GREECE SP Aristotle Univ Thessaloniki, Fac Sci, Natl Tech Univ Athens, Natl Ctr Sci Res Demokritos, Natl Kapodistrian Univ Athens, Training Ctr Natl Bank Greece, Int Atom Energy Agcy, High Voltage Engn, Natl Electrostat Corp, Oxford Microbeams Ltd, Mesytec GmbH, MegaLab Co DE Radiation damage; Titanium; Voids; Dislocation loop; Dislocation lines ID AMORPHIZATION AB Radiation damage caused by fission fragments to metal surfaces is an important research topic. Thin titanium foils were irradiated with a continuous wave beam of 132 MeV (132)Xe(+29) at the current intensity of 2 pnA. Pre- and post-irradiated surface topologies were investigated using atomic force microscopy and the observed defects were quantified by root mean square roughness, depth profile of the disordered zones, size and areal density of the voids, and discussed as a function of the applied fluencies (1-9) x 10(13) Xe/cm(2). The first ellipsoidal dislocation loops appeared at the fluence of 3.0 x 10(13) Xe/cm(2) with the areal density of 1.56 x 10(6)/cm(2) that increased to 2.0 x 10(7) cm(-2) when the dose rose to 9.0 x 10(13) Xe/cm(2). At this point also the first dislocation lines with the density of 1.3 x 10(7) cm(-2) were seen. Our results suggest that the fission fragments might maximize large voids and dislocations and increase the degradation in depth resolution. (C) 2011 Elsevier B.V. All rights reserved. C1 [Sadi, S.; Paulenova, A.] Oregon State Univ, Dept Nucl Engn & Radiat Hlth Phys, Corvallis, OR 97331 USA. [Loveland, W. D.; Watson, P. R.] Oregon State Univ, Dept Chem, Corvallis, OR 97331 USA. [Greene, J. P.; Zinkann, G. P.] Argonne Natl Lab, ATLAS, Div Phys, Argonne, IL 60439 USA. RP Paulenova, A (reprint author), Oregon State Univ, Dept Nucl Engn & Radiat Hlth Phys, 100 Radiat Ctr, Corvallis, OR 97331 USA. EM sadis@onid.orst.edu; alena.paulenova@oregonstate.e-du; Lovelanw@onid.orst.ed; philip.watson@oregon-state.edu; greene@anl.gov; zinkann@phy.anl.gov NR 7 TC 1 Z9 1 U1 0 U2 4 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 0168-583X J9 NUCL INSTRUM METH B JI Nucl. Instrum. Methods Phys. Res. Sect. B-Beam Interact. Mater. Atoms PD DEC 15 PY 2011 VL 269 IS 24 BP 3230 EP 3232 DI 10.1016/j.nimb.2011.04.093 PG 3 WC Instruments & Instrumentation; Nuclear Science & Technology; Physics, Atomic, Molecular & Chemical; Physics, Nuclear SC Instruments & Instrumentation; Nuclear Science & Technology; Physics GA 866EO UT WOS:000298363500085 ER PT J AU Lindroos, M Bousson, S Calaga, R Danared, H Devanz, G Duperrier, R Eguia, J Eshraqi, M Gammino, S Hahn, H Jansson, A Oyon, C Pape-Moller, S Peggs, S Ponton, A Rathsman, K Ruber, R Satogata, T Trahern, G AF Lindroos, M. Bousson, S. Calaga, R. Danared, H. Devanz, G. Duperrier, R. Eguia, J. Eshraqi, M. Gammino, S. Hahn, H. Jansson, A. Oyon, C. Pape-Moller, S. Peggs, S. Ponton, A. Rathsman, K. Ruber, R. Satogata, T. Trahern, G. TI The European Spallation Source SO NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS LA English DT Article; Proceedings Paper CT 10th European Conference on Accelerators in Applied Research and Technology (ECAART) CY SEP 13-17, 2010 CL Athens, GREECE SP Aristotle Univ Thessaloniki, Fac Sci, Natl Tech Univ Athens, Natl Ctr Sci Res Demokritos, Natl Kapodistrian Univ Athens, Training Ctr Natl Bank Greece, Int Atom Energy Agcy, High Voltage Engn, Natl Electrostat Corp, Oxford Microbeams Ltd, Mesytec GmbH, MegaLab Co DE Neutron; Spallation; Source AB In 2003 the joint European effort to design a European Spallation Source (ESS) resulted in a set of reports, and in May 2009 Lund was agreed to be the ESS site. The ESS Scandinavia office has since then worked on setting all the necessary legal and organizational matters in place so that the Design Update and construction can be started in January 2011, in collaboration with European partners. The Design Update phase is expected to end in 2012, to be followed by a construction phase, with first neutrons expected in 2018-2019. (C) 2011 Elsevier By. All rights reserved. C1 [Lindroos, M.; Danared, H.; Eshraqi, M.; Hahn, H.; Jansson, A.; Peggs, S.; Rathsman, K.; Trahern, G.] ESS AB, Lund, Sweden. [Bousson, S.] CNRS, IPNO, IN2P3, F-91405 Orsay, France. [Calaga, R.] Brookhaven Natl Lab, BNL, Upton, NY 11973 USA. [Devanz, G.; Duperrier, R.] CEA Saclay, F-91191 Gif Sur Yvette, France. [Eguia, J.] Tekniker, Eibar Guipuzcoa, Spain. [Gammino, S.] INFN LNS, Catania, Italy. [Oyon, C.] SPRI, Bilbao, Spain. [Pape-Moller, S.] Aarhus Univ, Aarhus C, Denmark. [Ruber, R.] Uppsala Univ, Uppsala, Sweden. [Satogata, T.] Jefferson Lab, Newport News, VA USA. RP Lindroos, M (reprint author), ESS AB, Lund, Sweden. EM mats.lindroos@esss.se NR 17 TC 9 Z9 9 U1 0 U2 8 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 0168-583X J9 NUCL INSTRUM METH B JI Nucl. Instrum. Methods Phys. Res. Sect. B-Beam Interact. Mater. Atoms PD DEC 15 PY 2011 VL 269 IS 24 BP 3258 EP 3260 DI 10.1016/j.nimb.2011.04.012 PG 3 WC Instruments & Instrumentation; Nuclear Science & Technology; Physics, Atomic, Molecular & Chemical; Physics, Nuclear SC Instruments & Instrumentation; Nuclear Science & Technology; Physics GA 866EO UT WOS:000298363500091 ER PT J AU Maiti, S Korshunov, MM Maier, TA Hirschfeld, PJ Chubukov, AV AF Maiti, S. Korshunov, M. M. Maier, T. A. Hirschfeld, P. J. Chubukov, A. V. TI Evolution of symmetry and structure of the gap in iron-based superconductors with doping and interactions SO PHYSICAL REVIEW B LA English DT Article ID ELECTRON AB We present a detailed study of the symmetry and structure of the pairing gap in Fe-based superconductors (FeSCs). We treat FeSCs as quasi-2D, decompose the pairing interaction in the XY plane in s-wave and d-wave channels into contributions from scattering between different Fermi surfaces, and analyze how each scattering evolves with doping and input parameters. We verify that each interaction is well approximated by the lowest angular harmonics. We use this simplification to analyze the interplay between the interaction with and without spin-fluctuation components, the origin of the attraction in the s(+/-) and d(x2-y2) channels, the competition between them, the angular dependence of the s(+/-) gaps along the electron Fermi surface, the conditions under which the s(+/-) gap develops nodes, and the origin of superconductivity in heavily electron-or hole-doped systems, when only Fermi surfaces of one type are present. We also discuss the relation between RPA and RG approaches for FeSCs. C1 [Maiti, S.; Chubukov, A. V.] Univ Wisconsin, Dept Phys, Madison, WI 53706 USA. [Korshunov, M. M.; Hirschfeld, P. J.] Univ Florida, Dept Phys, Gainesville, FL 32611 USA. [Korshunov, M. M.] Russian Acad Sci, Siberian Branch, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia. [Korshunov, M. M.] Siberian Fed Univ, Krasnoyarsk 660041, Russia. [Maier, T. A.] Oak Ridge Natl Lab, Comp Sci & Math Div, Oak Ridge, TN 37831 USA. [Maier, T. A.] Oak Ridge Natl Lab, Ctr Nanophase Mat Sci, Oak Ridge, TN 37831 USA. RP Maiti, S (reprint author), Univ Wisconsin, Dept Phys, 1150 Univ Ave, Madison, WI 53706 USA. RI Korshunov, Maxim/K-6660-2015; Maier, Thomas/F-6759-2012 OI Korshunov, Maxim/0000-0001-9355-2872; Maier, Thomas/0000-0002-1424-9996 FU NSF [DMR-0906953]; MPI PKS (Dresden); Humboldt Foundation; Center of Nanophase Materials Sciences; Oak Ridge National Laboratory by the Office of Basic Energy Sciences, US Department of Energy [FG02-05ER46236]; RFBR [09-02-00127]; Presidium of RAS [N5.7]; FCP Scientific and Research-and-Educational Personnel of Innovative Russia [GK P891, GK 16.740.12.0731]; President of Russia [MK-1683.2010.2] FX We acknowledge helpful discussions with L. Benfatto, R. Fernandes, W. Hanke, I. Eremin, H. Kontani, K. Kuroki, Y. Matsuda, I. Mazin, R. Prozorov, D. Scalapino, J. Schmalian, Z. Tesanovic, R. Thomale, M. Vavilov, and A. Vorontsov. This work was supported by NSF-DMR-0906953 (S. M. and A. V. C.). Partial support from MPI PKS (Dresden) (S. M. and A. V. C.) and the Humboldt Foundation (A. V. C.) is gratefully acknowledged. T. A. M. acknowledges support from the Center of Nanophase Materials Sciences, which is sponsored at Oak Ridge National Laboratory by the Office of Basic Energy Sciences, US Department of Energy. M. M. K. and P. J. H. acknowledge support from DOE DE-FG02-05ER46236. M. M. K. is grateful for support from RFBR (Grant No. 09-02-00127), Presidium of RAS program N5.7, FCP Scientific and Research-and-Educational Personnel of Innovative Russia for 2009-2013 (GK P891 and GK 16.740.12.0731), and the President of Russia (Grant No. MK-1683.2010.2). NR 46 TC 59 Z9 60 U1 2 U2 15 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1098-0121 J9 PHYS REV B JI Phys. Rev. B PD DEC 15 PY 2011 VL 84 IS 22 AR 224505 DI 10.1103/PhysRevB.84.224505 PG 22 WC Physics, Condensed Matter SC Physics GA 862SS UT WOS:000298115000009 ER PT J AU Moll, PJW Kanter, J McDonald, RD Balakirev, F Blaha, P Schwarz, K Bukowski, Z Zhigadlo, ND Katrych, S Mattenberger, K Karpinski, J Batlogg, B AF Moll, Philip J. W. Kanter, Jakob McDonald, Ross D. Balakirev, Fedor Blaha, Peter Schwarz, Karlheinz Bukowski, Zbigniew Zhigadlo, Nikolai D. Katrych, Sergiy Mattenberger, Kurt Karpinski, Janusz Batlogg, Bertram TI Quantum oscillations of the superconductor LaRu2P2: Comparable mass enhancement lambda approximate to 1 in Ru and Fe phosphides SO PHYSICAL REVIEW B LA English DT Article AB We have studied the angular-dependent de Haas-van Alphen oscillations of LaRu2P2 using magnetic torque in pulsed magnetic fields up to 60 T. The observed oscillation frequencies are in excellent agreement with the geometry of the calculated Fermi surface. The temperature dependence of the oscillation amplitudes reveals effective masses m*(alpha) = 0.71 and m*(beta) = 0.99 m(e), which are enhanced over the calculated band mass by lambda(cyc) of 0.8. We find a similar enhancement of lambda(gamma) approximate to 1 in comparing the measured electronic specific heat (gamma = 11.5mJ/mol K-2) with the total density of states from band-structure calculations. Remarkably, very similar mass enhancements have been reported in other pnictides, LaFe2P2, LaFePO (T-c approximate to 4 K), and LaRuPO, independent of whether they are superconducting or not. This is contrary to the common perceptions that the normal-state quasiparticle renormalizations reflect the strength of the superconducting pairing mechanism and leads to new questions about pairing in isostructural and isoelectronic Ru- and Fe-pnictide superconductors. C1 [Moll, Philip J. W.; Kanter, Jakob; Bukowski, Zbigniew; Zhigadlo, Nikolai D.; Katrych, Sergiy; Mattenberger, Kurt; Karpinski, Janusz; Batlogg, Bertram] Swiss Fed Inst Technol, Solid State Phys Lab, Zurich, Switzerland. [McDonald, Ross D.; Balakirev, Fedor] Los Alamos Natl Lab, Natl High Magnet Field Lab, Los Alamos, NM 87545 USA. [Blaha, Peter; Schwarz, Karlheinz] Vienna Univ Technol, Inst Mat Chem, A-1040 Vienna, Austria. RP Moll, PJW (reprint author), Swiss Fed Inst Technol, Solid State Phys Lab, Zurich, Switzerland. RI Blaha, Peter/F-2847-2010; McDonald, Ross/H-3783-2013; OI McDonald, Ross/0000-0002-0188-1087; Moll, Philip/0000-0002-7616-5886 FU Swiss National Science Foundation; National Center of Competence in Research MaNEP (Materials with Novel Electronic Properties); National Science Foundation, Department of Energy; State of Florida; Austrian Science Fund [SFB-F41] FX This work was supported by the Swiss National Science Foundation and the National Center of Competence in Research MaNEP (Materials with Novel Electronic Properties). Work at the National High Magnetic Field Laboratory is carried out under the auspices of the National Science Foundation, Department of Energy, and State of Florida. P. B. was supported by the Austrian Science Fund SFB-F41 (ViCoM). NR 28 TC 6 Z9 6 U1 3 U2 20 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1098-0121 J9 PHYS REV B JI Phys. Rev. B PD DEC 15 PY 2011 VL 84 IS 22 AR 224507 DI 10.1103/PhysRevB.84.224507 PG 5 WC Physics, Condensed Matter SC Physics GA 862SS UT WOS:000298115000011 ER PT J AU Niedziela, JL Parshall, D Lokshin, KA Sefat, AS Alatas, A Egami, T AF Niedziela, Jennifer L. Parshall, D. Lokshin, K. A. Sefat, A. S. Alatas, A. Egami, T. TI Phonon softening near the structural transition in BaFe2As2 observed by inelastic x-ray scattering SO PHYSICAL REVIEW B LA English DT Article ID 43 K; SUPERCONDUCTIVITY; LAO1-XFXFEAS AB In this work we present the results of an inelastic x-ray scattering experiment detailing the behavior of the transverse acoustic [110] phonon in BaFe2As2 as a function of temperature. When cooling through the structural transition temperature, the transverse acoustic phonon energy is reduced from the value at room temperature, reaching a maximum shift near inelastic momentum transfer (q) over right arrow = 0.1. This softening of the lattice results in a change of the symmetry from tetragonal to orthorhombic at the same temperature as the transition to long-range antiferromagnetic order. While the lattice distortion is minor, the anisotropy in the magnetic exchange constants in pnictide parent compounds is large. We suggest mechanisms of electron-phonon coupling to describe the interaction between the lattice softening and the onset of magnetic ordering. C1 [Niedziela, Jennifer L.; Parshall, D.; Egami, T.] Univ Tennessee, Dept Phys & Astron, Knoxville, TN 37996 USA. [Niedziela, Jennifer L.; Sefat, A. S.; Egami, T.] Oak Ridge Natl Lab, Oak Ridge, TN USA. [Lokshin, K. A.; Egami, T.] Univ Tennessee, Dept Mat Sci & Engn, Knoxville, TN 37996 USA. [Alatas, A.] Argonne Natl Lab, Adv Photon Source, Darien, IL USA. RP Niedziela, JL (reprint author), Univ Tennessee, Dept Phys & Astron, Knoxville, TN 37996 USA. EM jniedzie@utk.edu RI Sefat, Athena/R-5457-2016 OI Sefat, Athena/0000-0002-5596-3504 FU Office of Basic Sciences, US Department of Energy, through the EPSCoR [DE-FG02-08ER46528]; Basic Energy Sciences, Materials Sciences, and Engineering; US Department of Energy, Office of Science, Office of Basic Energy Sciences [DE-AC02-06CH11357] FX This work was supported by the Office of Basic Sciences, US Department of Energy, through the EPSCoR, Grant No. DE-FG02-08ER46528 (J.N., D.P., K.L., and T.E.), and Basic Energy Sciences, Materials Sciences, and Engineering (A. S.). This work at the Advanced Photon Source was supported by the US Department of Energy, Office of Science, Office of Basic Energy Sciences, under Contract No. DE-AC02-06CH11357. NR 53 TC 19 Z9 19 U1 1 U2 12 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 2469-9950 EI 2469-9969 J9 PHYS REV B JI Phys. Rev. B PD DEC 15 PY 2011 VL 84 IS 22 AR 224305 DI 10.1103/PhysRevB.84.224305 PG 5 WC Physics, Condensed Matter SC Physics GA 862SS UT WOS:000298115000006 ER PT J AU Braun-Munzinger, P Friman, B Karsch, F Redlich, K Skokov, V AF Braun-Munzinger, P. Friman, B. Karsch, F. Redlich, K. Skokov, V. TI Net-proton probability distribution in heavy ion collisions SO PHYSICAL REVIEW C LA English DT Article ID QCD PHASE-TRANSITION; RESONANCE GAS-MODEL; FREEZE-OUT; LATTICE QCD; FLUCTUATIONS; THERMODYNAMICS AB We compute net-proton probability distributions in heavy ion collisions within the hadron resonance gas model. The model results are compared with data taken by the STAR Collaboration in Au-Au collisions at root s(NN) = 200 GeV for different centralities and for the central energy bin at root s(NN) = 39 GeV. We show that, in central Au-Au collisions at root s(NN) = 39 GeV, the measured distribution is consistent with the hadron resonance gas model but differs from the predictions of the model at root s(NN) = 200 GeV. At the highest energy, deviations from model results are smaller for peripheral collisions. We argue that such properties of probability distributions are expected if the freeze-out conditions probed by fluctuations are located close to the QCD crossover transition. C1 [Braun-Munzinger, P.; Redlich, K.] GSI, ExtreMe Matter Inst EMMI, D-64291 Darmstadt, Germany. [Braun-Munzinger, P.; Friman, B.; Skokov, V.] GSI Helmholtzzentrum Schwerionenforsch, D-64291 Darmstadt, Germany. [Braun-Munzinger, P.] Tech Univ Darmstadt, D-64289 Darmstadt, Germany. [Braun-Munzinger, P.; Skokov, V.] Goethe Univ Frankfurt, Frankfurt Inst Adv Studies, Frankfurt, Germany. [Karsch, F.; Skokov, V.] Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA. [Karsch, F.] Univ Bielefeld, Fak Phys, D-33501 Bielefeld, Germany. [Redlich, K.] Univ Wroclaw, Inst Theoret Phys, PL-50204 Wroclaw, Poland. RP Braun-Munzinger, P (reprint author), GSI, ExtreMe Matter Inst EMMI, D-64291 Darmstadt, Germany. OI Skokov, Vladimir/0000-0001-7619-1796; Friman, Bengt/0000-0002-3211-7073 FU Polish Ministry of National Education (MEN); US Department of Energy [DE-AC02-98CH10886] FX We acknowledge stimulating discussions with X. Luo, T. Nayak, J. Stachel, L. Turko, Nu Xu and members of ALICE Collaboration. K. R. received partial support of the Polish Ministry of National Education (MEN). The work of F.K. and V.S. were supported in part by contract DE-AC02-98CH10886 with the US Department of Energy. NR 29 TC 26 Z9 26 U1 0 U2 4 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 0556-2813 J9 PHYS REV C JI Phys. Rev. C PD DEC 15 PY 2011 VL 84 IS 6 AR 064911 DI 10.1103/PhysRevC.84.064911 PG 5 WC Physics, Nuclear SC Physics GA 862YU UT WOS:000298130800007 ER PT J AU Varnum, SM Webb-Robertson, BJM Hessol, NA Smith, RD Zangar, RC AF Varnum, Susan M. Webb-Robertson, Bobbie-Jo M. Hessol, Nancy A. Smith, Richard D. Zangar, Richard C. TI Plasma Biomarkers for Detecting Hodgkin's Lymphoma in HIV Patients SO PLOS ONE LA English DT Article ID TANDEM MASS-SPECTROMETRY; UNITED-STATES; PROTEOME; THROUGHPUT; DISEASE; CANCER; VIRUS AB The lifespan of people with human immunodeficiency virus (HIV) infection has increased as a result of effective antiretroviral therapy, and the incidences of the AIDS-defining cancers, non-Hodgkin's lymphoma and Kaposi sarcoma, have declined. Even so, HIV-infected individuals are now at greater risk of other cancers, including Hodgkin's lymphoma (HL). To identify candidate biomarkers for the early detection of HL, we undertook an accurate mass and elution time tag proteomics analysis of individual plasma samples from either HIV-infected patients without HL (controls; n = 14) and from HIV-infected patient samples with HL (n = 22). This analysis identified 60 proteins that were statistically (p < 0.05) altered and at least 1.5-fold different between the two groups. At least three of these proteins have previously been reported to be altered in the blood of HL patients that were not known to be HIV positive, suggesting that these markers may be broadly useful for detecting HL. Ingenuity Pathway Analysis software identified "inflammatory response" and "cancer" as the top two biological functions associated with these proteins. Overall, this study validated three plasma proteins as candidate biomarkers for detecting HL, and identified 57 novel candidate biomarkers that remain to be validated. The relationship of these novel candidate biomarkers with cancer and inflammation suggests that they are truly associated with HL and therefore may be useful for the early detection of this cancer in susceptible populations. C1 [Varnum, Susan M.; Zangar, Richard C.] Pacific NW Natl Lab, Dept Cell Biol & Biochem, Richland, WA 99352 USA. [Webb-Robertson, Bobbie-Jo M.] Pacific NW Natl Lab, Dept Computat Biol & Bioinformat, Richland, WA 99352 USA. [Smith, Richard D.] Pacific NW Natl Lab, Dept Biol Sci Div, Richland, WA 99352 USA. [Hessol, Nancy A.] Univ Calif San Francisco, Dept Clin Pharm, San Francisco, CA 94143 USA. RP Varnum, SM (reprint author), Pacific NW Natl Lab, Dept Cell Biol & Biochem, Richland, WA 99352 USA. EM richard.zangar@pnnl.gov RI Smith, Richard/J-3664-2012 OI Smith, Richard/0000-0002-2381-2349 FU National Cancer Institute's Early Detection Research Network [U01 CA117378]; Department of Energy's Office of Biological and Environmental Research FX This work was supported by a grant (U01 CA117378) from the National Cancer Institute's Early Detection Research Network. Some work was performed in the PNNL's Environmental Molecular Science Laboratory, a national scientific user facility sponsored by the Department of Energy's Office of Biological and Environmental Research. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript. NR 19 TC 6 Z9 6 U1 0 U2 3 PU PUBLIC LIBRARY SCIENCE PI SAN FRANCISCO PA 185 BERRY ST, STE 1300, SAN FRANCISCO, CA 94107 USA SN 1932-6203 J9 PLOS ONE JI PLoS One PD DEC 15 PY 2011 VL 6 IS 12 AR e29263 DI 10.1371/journal.pone.0029263 PG 4 WC Multidisciplinary Sciences SC Science & Technology - Other Topics GA 866HE UT WOS:000298370400045 PM 22195036 ER PT J AU Hamada, Y Stow, DA Roberts, DA AF Hamada, Yuki Stow, Douglas A. Roberts, Dar A. TI Estimating life-form cover fractions in California sage scrub communities using multispectral remote sensing SO REMOTE SENSING OF ENVIRONMENT LA English DT Article DE Remote sensing; Fractional cover; Plant life forms; Sage scrub communities; Mediterranean type ecosystems; Ecological integrity ID SPECTRAL MIXTURE ANALYSIS; NEW-MEXICO; ENDMEMBER SELECTION; SOUTHERN CALIFORNIA; GREEN VEGETATION; AVIRIS DATA; FIRE; IMAGERY; MODELS; USA AB The California sage scrub (CSS) community type in California's Mediterranean-type ecosystems is known for its high biodiversity and is home to a large number of rare, threatened, and endangered species. Because of extensive urban development in the past fifty years, this ecologically significant community type is highly degraded and fragmented. To conserve endangered CSS communities, monitoring internal conditions of communities is as crucial as monitoring distributions of the community type in the region. Vegetation type mapping and field sampling of individual plants provide ecologically meaningful information about CSS communities such as spatial distribution and species compositions, respectively. However, both approaches only provide spatially comprehensive information but no information about internal conditions or vice versa. Therefore, there is a need for monitoring variables which fill the information gap between vegetation type maps and field-based data. A number of field-based studies indicate that life-form fractional cover is an effective indicator of CSS community health and habitat quality for CSS-obligated species. This study investigates the effectiveness of remote sensing approaches for estimating fractional cover of true shrub, subshrub, herb, and bare ground in CSS communities of southern California. Combinations of four types of multispectral imagery ranging from 0.15 m resolution scanned color infrared aerial photography to 10 m resolution SPOT 5 multispectral imagery and three image processing models - per-pixel, object-based, and spectral mixture models - were tested. An object-based image analysis (OBIA) routine consistently yielded higher accuracy than other image processing methods for estimating all cover types. Life-form cover was reliably predicted, with error magnitudes as low as 2%. Subshrub and herb cover types required finer spatial resolution imagery for more accurate predictions than true shrub and bare ground types. Positioning of sampling grids had a substantial impact on the reliability of accuracy assessment, particularly for cover estimates predicted using multiple endmember spectral mixture analysis (MESMA) applied to SPOT imagery. Of the approaches tested in this study, OBIA using pansharpened QuickBird imagery is one of the most promising approaches because of its high accuracy and processing efficiency and should be tested for more heterogeneous CSS landscapes. MESMA applied to SPOT imagery should also be examined for effectiveness in estimating factional cover over more extensive habitat areas because of its low data cost and potential for conducting retrospective studies of vegetation community conditions. (C) 2011 Elsevier Inc. All rights reserved. C1 [Hamada, Yuki] Argonne Natl Lab, Argonne, IL 60439 USA. [Hamada, Yuki; Stow, Douglas A.] San Diego State Univ, Dept Geog, San Diego, CA 92182 USA. [Roberts, Dar A.] Univ Calif Santa Barbara, Dept Geog, Santa Barbara, CA 93106 USA. RP Hamada, Y (reprint author), 9700 S Cass Ave, Argonne, IL 60439 USA. EM yhamada@anl.gov RI Ma, Lei/I-4597-2014 FU National Aeronautical and Space Administration (NASA) Research, Education and Applications Solution Network (REASON) [NCC13-03007]; Association of Environmental Professionals; San Diego State University FX The scanned color infrared images and QuickBird panchromatic and multispectral images had been acquired with funding from the National Aeronautical and Space Administration (NASA) Research, Education and Applications Solution Network (REASON) project (cooperative agreement NCC13-03007). The 2005 SPOT 5 image was made available by the University of California, Santa Barbara Resource Center for SPOT Imagery. The research was partly supported by an Association of Environmental Professionals thorough Environmental Research Grant and San Diego State University. We thank Drs. Arthur Getis and Cort Willmott for helpful suggestions for statistical analysis for accuracy assessment, Drs. Janet Franklin and Phaedon Kyriakidis for insightful comments on the manuscript, Keely Roth and Kris Kuzera for tremendous support for programming, Lloyd Coulter, Dave McKinsey, and Harry Johnson for technical support, and Daniel Hawtree for field work assistance. We also thank the anonymous reviewers whose comments helped us considerably strengthen the manuscript. NR 53 TC 12 Z9 13 U1 4 U2 39 PU ELSEVIER SCIENCE INC PI NEW YORK PA 360 PARK AVE SOUTH, NEW YORK, NY 10010-1710 USA SN 0034-4257 J9 REMOTE SENS ENVIRON JI Remote Sens. Environ. PD DEC 15 PY 2011 VL 115 IS 12 BP 3056 EP 3068 DI 10.1016/j.rse.2011.06.008 PG 13 WC Environmental Sciences; Remote Sensing; Imaging Science & Photographic Technology SC Environmental Sciences & Ecology; Remote Sensing; Imaging Science & Photographic Technology GA 865LB UT WOS:000298311300009 ER PT J AU Negron-Juarez, RI Chambers, JQ Marra, DM Ribeiro, GHPM Rifai, SW Higuchi, N Roberts, D AF Negron-Juarez, Robinson I. Chambers, Jeffrey Q. Marra, Daniel M. Ribeiro, Gabriel H. P. M. Rifai, Sami W. Higuchi, Niro Roberts, Dar TI Detection of subpixel treefall gaps with Landsat imagery in Central Amazon forests SO REMOTE SENSING OF ENVIRONMENT LA English DT Article DE Tree mortality; Stand dynamics; Carbon balance; NEP; Climate change; Biodiversity; Spectral mixture analysis ID TROPICAL RAIN-FOREST; RESOLUTION SATELLITE DATA; PHASE REGENERATION; CANOPY GAPS; MULTITEMPORAL LANDSAT; BRAZILIAN AMAZON; DISTURBANCE; TREES; MORTALITY; DYNAMICS AB Treefall gaps play important roles in both forest dynamics and species diversity, but variability across the full range of gap sizes has not been reported at a regional scale due to the lack of a consistent methodology for their detection. Here we demonstrate the sensitivity of Landsat data for detecting gaps at the subpixel level in the Manaus region, Central Amazon. Spectral mixture analysis (SMA) on treefall gaps was used to map their occurrence across a 3.4 x 10(4) km(2) landscape using the annual change in non-photosynthetic vegetation (Delta NPV) as the change metric. Thirty randomly selected pixels with a spectral signature of a treefall event (i.e. high Delta NPV) were surveyed in the field. The most frequent single-pixel gap size detected using Landsat was similar to 360 m(2), and the severity of the disturbance (Delta NPV) exhibited a significant (r(2) = 0.32, p = 0.001) correlation with the number of dead trees (>10 cm diameter at breast height), enabling quantification of the number of downed trees in each gap. To place the importance of these single-pixel disturbances into a broader context, the cumulative disturbance of these gaps was equivalent to 40% of the calculated deforestation across the Manaus region in 2008. Most detected single-pixel gaps consisted of six to eight downed trees covering an estimated area of 250-900 m(2). These results highlight the quantitative importance of small blowdowns that have been overlooked in previous satellite remote sensing studies. (C) 2011 Elsevier Inc. All rights reserved. C1 [Negron-Juarez, Robinson I.; Chambers, Jeffrey Q.; Rifai, Sami W.] Tulane Univ, New Orleans, LA 70118 USA. [Chambers, Jeffrey Q.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Climate Sci Dept, Berkeley, CA 94720 USA. [Marra, Daniel M.; Ribeiro, Gabriel H. P. M.; Higuchi, Niro] Natl Inst Amazonian Res INPA, BR-69060001 Manaus, AM, Brazil. [Roberts, Dar] Univ Calif Santa Barbara, Dept Geog, Santa Barbara, CA 93106 USA. RP Negron-Juarez, RI (reprint author), Tulane Univ, 400 Lindy Boggs, New Orleans, LA 70118 USA. EM rjuarez@tulane.edu; jchambers@lbl.gov; danielmarra@inpa.gov.br; gabrielgiga@gmail.com; srifai@tulane.edu; niro@inpa.gov.br; dar@geog.ucsb.edu RI Chambers, Jeffrey/J-9021-2014; Negron-Juarez, Robinson/I-6289-2016; OI Chambers, Jeffrey/0000-0003-3983-7847; Ribeiro, Gabriel/0000-0002-3343-3043 FU NASA Biodiversity [08-BIODIV-10]; DOE's Office of Biological and Environmental Research [DE-AC02-05CH11231] FX We thank Dr. Julie S. Denslow for the valuable comments and suggestions. This study was funded by NASA Biodiversity, project number 08-BIODIV-10, and DOE's Office of Biological and Environmental Research (Contract No. DE-AC02-05CH11231), under the Climate and Earth System Modeling Program. NR 73 TC 15 Z9 16 U1 4 U2 40 PU ELSEVIER SCIENCE INC PI NEW YORK PA 360 PARK AVE SOUTH, NEW YORK, NY 10010-1710 USA SN 0034-4257 J9 REMOTE SENS ENVIRON JI Remote Sens. Environ. PD DEC 15 PY 2011 VL 115 IS 12 BP 3322 EP 3328 DI 10.1016/j.rse.2011.07.015 PG 7 WC Environmental Sciences; Remote Sensing; Imaging Science & Photographic Technology SC Environmental Sciences & Ecology; Remote Sensing; Imaging Science & Photographic Technology GA 865LB UT WOS:000298311300030 ER PT J AU Dafflon, B Barrash, W Cardiff, M Johnson, TC AF Dafflon, B. Barrash, W. Cardiff, M. Johnson, T. C. TI Hydrological parameter estimations from a conservative tracer test with variable-density effects at the Boise Hydrogeophysical Research Site SO WATER RESOURCES RESEARCH LA English DT Article ID NATURAL GRADIENT EXPERIMENT; SOLUTE TRANSPORT; HYDRAULIC TOMOGRAPHY; GEOPHYSICAL-DATA; SPATIAL VARIABILITY; GROUNDWATER-FLOW; INVERSE PROBLEMS; POROUS-MEDIA; SAND AQUIFER; CONDUCTIVITY AB Reliable predictions of groundwater flow and solute transport require an estimation of the detailed distribution of the parameters (e.g., hydraulic conductivity, effective porosity) controlling these processes. However, such parameters are difficult to estimate because of the inaccessibility and complexity of the subsurface. In this regard, developments in parameter estimation techniques and investigations of field experiments are still challenging and necessary to improve our understanding and the prediction of hydrological processes. Here we analyze a conservative tracer test conducted at the Boise Hydrogeophysical Research Site in 2001 in a heterogeneous unconfined fluvial aquifer. Some relevant characteristics of this test include: variable-density (sinking) effects because of the injection concentration of the bromide tracer, the relatively small size of the experiment, and the availability of various sources of geophysical and hydrological information. The information contained in this experiment is evaluated through several parameter estimation approaches, including a grid-search-based strategy, stochastic simulation of hydrological property distributions, and deterministic inversion using regularization and pilot-point techniques. Doing this allows us to investigate hydraulic conductivity and effective porosity distributions and to compare the effects of assumptions from several methods and parameterizations. Our results provide new insights into the understanding of variable-density transport processes and the hydrological relevance of incorporating various sources of information in parameter estimation approaches. Among others, the variable-density effect and the effective porosity distribution, as well as their coupling with the hydraulic conductivity structure, are seen to be significant in the transport process. The results also show that assumed prior information can strongly influence the estimated distributions of hydrological properties. C1 [Dafflon, B.; Barrash, W.; Cardiff, M.] Boise State Univ, Ctr Geophys Invest Shallow Subsurface, Boise, ID 83725 USA. [Johnson, T. C.] Pacific NW Natl Lab, Richland, WA 99352 USA. RP Dafflon, B (reprint author), Univ Calif Berkeley, Lawrence Berkeley Natl Lab, 1 Cyclotron Rd, Berkeley, CA 94720 USA. EM baptiste.dafflon@gmail.com RI Dafflon, Baptiste/G-2441-2015; Cardiff, Michael/B-1711-2013 OI Cardiff, Michael/0000-0002-6720-6084 FU Swiss National Science Foundation; Boise State University; EPA [X-96004601-0, X-96004601-1]; U. S. RDECOM ARL Army Research Office [W911NF-09-1-0534] FX This research was supported by funding to B. Dafflon from the Swiss National Science Foundation and Boise State University. W. Barrash and M. Cardiff were supported by the EPA under grants X-96004601-0 and X-96004601-1, and by the U. S. RDECOM ARL Army Research Office under grant W911NF-09-1-0534. The authors would like to thank the various researchers responsible for collecting and archiving the BHRS data sets used in this analysis. In addition, the authors wish to thank the helpful comments of Walter Illman, Junfeng Zhu, and one anonymous reviewer, whose input helped improve this publication. Product and manufacturer identification are provided for information purposes only. NR 64 TC 7 Z9 7 U1 2 U2 25 PU AMER GEOPHYSICAL UNION PI WASHINGTON PA 2000 FLORIDA AVE NW, WASHINGTON, DC 20009 USA SN 0043-1397 EI 1944-7973 J9 WATER RESOUR RES JI Water Resour. Res. PD DEC 15 PY 2011 VL 47 AR W12513 DI 10.1029/2011WR010789 PG 19 WC Environmental Sciences; Limnology; Water Resources SC Environmental Sciences & Ecology; Marine & Freshwater Biology; Water Resources GA 864QZ UT WOS:000298256200004 ER PT J AU Liu, CX Shang, JY Zachara, JM AF Liu, Chongxuan Shang, Jianying Zachara, John M. TI Multispecies diffusion models: A study of uranyl species diffusion SO WATER RESOURCES RESEARCH LA English DT Article ID VECTOR TRANSPORT PROCESSES; SCALE MASS-TRANSFER; VADOSE ZONE; IRREVERSIBLE THERMODYNAMICS; MICROBIAL POLYSACCHARIDES; CONCENTRATION PROFILES; ELECTROLYTE SOLUTIONS; REACTIVE TRANSPORT; VOLATILE ORGANICS; SOLUTE TRANSPORT AB Rigorous numerical description of multispecies diffusion requires coupling of species, charge, and aqueous and surface complexation reactions that collectively affect diffusive fluxes. The applicability of a fully coupled diffusion model is, however, often constrained by the availability of species self-diffusion coefficients, as well as by computational complication in imposing charge conservation. In this study, several diffusion models with variable complexity in charge and species coupling were formulated and compared to describe reactive multispecies diffusion in groundwater. Diffusion of uranyl [U(VI)] species was used as an example in demonstrating the effectiveness of the models in describing multispecies diffusion. Numerical simulations found that a diffusion model with a single, common diffusion coefficient for all species was sufficient to describe multispecies U(VI) diffusion under a steady state condition of major chemical composition, but not under transient chemical conditions. Simulations revealed that for multispecies U(VI) diffusion under transient chemical conditions, a fully coupled diffusion model could be well approximated by a component-based diffusion model when the diffusion coefficient for each chemical component was properly selected. The component-based diffusion model considers the difference in diffusion coefficients between chemical components, but not between the species within each chemical component. This treatment significantly enhanced computational efficiency at the expense of minor charge conservation. The charge balance in the component-based diffusion model can be enforced, if necessary, by adding a secondary migration term resulting from model simplification. The effect of ion activity coefficient gradients on multispecies diffusion is also discussed. The diffusion models were applied to describe U(VI) diffusive mass transfer in intragranular domains in two sediments collected from U. S. Department of Energy's Hanford 300A, where intragranular diffusion is a rate-limiting process controlling U(VI) adsorption and desorption. The grain-scale reactive diffusion model was able to describe U(VI) adsorption/desorption kinetics that had been previously described using a semiempirical, multirate model. Compared with the multirate model, the diffusion models have the advantage to provide spatiotemporal speciation evolution within the diffusion domains. C1 [Liu, Chongxuan; Shang, Jianying; Zachara, John M.] Pacific NW Natl Lab, Div Chem & Mat Sci, Fundamental & Computat Sci Directorate, Richland, WA 99354 USA. RP Liu, CX (reprint author), Pacific NW Natl Lab, Div Chem & Mat Sci, Fundamental & Computat Sci Directorate, POB 999,MSIN K8-96, Richland, WA 99354 USA. EM chongxuan.liu@pnl.gov RI Shang, jianying/E-3787-2013; Liu, Chongxuan/C-5580-2009; OI Shang, jianying/0000-0002-2498-9699; Liu, Chongxuan/0000-0002-2180-6770 FU U.S. Department of Energy (DOE) Biological and Environmental Research (BER) Division; DOE by the Battelle Memorial Institute [DE-AC06-76RLO 1830] FX This research was supported by the U.S. Department of Energy (DOE) Biological and Environmental Research (BER) Division through the Subsurface Biogeochemical Research Program (SBR) Science Focus Area (SFA) program at Pacific Northwest National Laboratory (PNNL). A portion of the research was performed using the Environmental Molecular Science Laboratory (EMSL), a national scientific user facility sponsored by the DOE-BER and located at PNNL. PNNL is operated for the DOE by the Battelle Memorial Institute under contract DE-AC06-76RLO 1830. We thank reviewers and an associate editor for valuable comments and suggestions. NR 59 TC 22 Z9 22 U1 4 U2 30 PU AMER GEOPHYSICAL UNION PI WASHINGTON PA 2000 FLORIDA AVE NW, WASHINGTON, DC 20009 USA SN 0043-1397 EI 1944-7973 J9 WATER RESOUR RES JI Water Resour. Res. PD DEC 15 PY 2011 VL 47 AR W12514 DI 10.1029/2011WR010575 PG 16 WC Environmental Sciences; Limnology; Water Resources SC Environmental Sciences & Ecology; Marine & Freshwater Biology; Water Resources GA 864QZ UT WOS:000298256200003 ER PT J AU Thomas, AT Ognibene, T Daley, P Turteltaub, K Radousky, H Bench, G AF Thomas, Avi T. Ognibene, Ted Daley, Paul Turteltaub, Ken Radousky, Harry Bench, Graham TI Ultrahigh Efficiency Moving Wire Combustion Interface for Online Coupling of High-Performance Liquid Chromatography (HPLC) SO ANALYTICAL CHEMISTRY LA English DT Article ID RATIO MASS-SPECTROMETRY; ALPHA-AMINO-ACIDS; GRAPHITE; DETECTOR AB We describe a 100%-efficient moving-wire interface (MVVI) for online coupling of high-performance liquid chromatography (HPLC) that transmits 100% of the carbon in nonvolatile analytes to a CO(2)-gas-accepting ion source. This interface accepts a flow of analyte in solvent, evaporates the solvent, combusts the remaining analyte, and directs the combustion products to the instrument of choice. Effluent is transferred to a periodically indented wire by a coherent jet to increase efficiency and maintain peak resolution. The combustion oven is plumbed such that gaseous combustion products are completely directed to an exit capillary, avoiding the loss of combustion products to the atmosphere. This system achieves almost-complete transfer of the analyte at HPLC flow rates up to 125 mu L/min at a wire speed of 6 cm/s. This represents a 30x increase in efficiency and an 8 x increase in maximum wire loading, compared to the spray transfer technique used in earlier MW1s. C1 [Thomas, Avi T.; Ognibene, Ted; Daley, Paul; Bench, Graham] Lawrence Livermore Natl Lab, Ctr Accelerator Mass Spectrometry, Livermore, CA 94551 USA. [Turteltaub, Ken] Lawrence Livermore Natl Lab, Phys & Life Sci Directorate, Livermore, CA 94551 USA. RP Thomas, AT (reprint author), Lawrence Livermore Natl Lab, Ctr Accelerator Mass Spectrometry, Livermore, CA 94551 USA. EM thomas216@Ilnl.gov FU U.S. Department of Energy by Lawrence Livermore National Laboratory [DE-AC52-07NA27344]; LLLNL; NCRR/NIH National Resource for Biomedical Accelerator Mass Spectrometry [RR013461] FX This work performed under the auspices of the U.S. Department of Energy by Lawrence Livermore National Laboratory (under Contract No. DE-AC52-07NA27344) with support from LLLNL and the NCRR/NIH National Resource for Biomedical Accelerator Mass Spectrometry (RR013461). The authors thank Benjamin Stewart for advice on HPLC operation and methods and Alex Sessions for a tour of his moving wire device. NR 16 TC 14 Z9 14 U1 0 U2 18 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0003-2700 J9 ANAL CHEM JI Anal. Chem. PD DEC 15 PY 2011 VL 83 IS 24 BP 9413 EP 9417 DI 10.1021/ac202013s PG 5 WC Chemistry, Analytical SC Chemistry GA 860KJ UT WOS:000297946900033 PM 22004428 ER PT J AU Chambers, SD Holcombe, TW Svec, F Frechet, JMJ AF Chambers, Stuart D. Holcombe, Thomas W. Svec, Frantisek Frechet, Jean M. J. TI Porous Polymer Monoliths Functionalized through Copolymerization of a C60 Fullerene-Containing Methacrylate Monomer for Highly Efficient Separations of Small Molecules SO ANALYTICAL CHEMISTRY LA English DT Article ID PERFORMANCE LIQUID-CHROMATOGRAPHY; SOLID-PHASE EXTRACTION; WALLED CARBON NANOTUBES; POLYCYCLIC AROMATIC-HYDROCARBONS; CAPILLARY GAS-CHROMATOGRAPHY; LARGE SURFACE-AREA; STATIONARY-PHASE; MASS-TRANSFER; SILICA MICROSPHERES; COLUMNS AB Monolithic poly(glycidyl methacrylate-co-ethylene dimethacrylate) and poly(butyl methacrylate-co-ethylene dimethacrylate) capillary columns, which incorporate the new monomer [6,6]-phenyl-C-61-butyric acid 2-hydroxyethyl methacrylate ester, have been prepared and their chromatographic performance have been tested for the separation of small molecules in the reversed phase. While addition of the C60-fullerene monomer to the glycidyl methacrylate-based monolith enhanced column efficiency 18-fold, to 85 000 plates/m at a linear velocity of 0.46 minis and a retention factor of 2.6, when compared to the parent monolith, the use of butyl methacrylate together with the carbon nanostructured monomer afforded monolithic columns with an efficiency for benzene exceeding 110 000 plates/m at a linear velocity of 0.32 mm/s and a retention factor of 4.2. This high efficiency is unprecedented for separations using porous polymer monoliths operating in an isocratic mode. Optimization of the chromatographic parameters affords near baseline separation of 6 alkylbenzenes in 3 min with an efficiency of 64 000 plates/m. The presence of 1 wt % or more of water in the polymerization mixture has a large effect on both the formation and reproducibility of the monoliths. Other factors such as nitrogen exposure, polymerization conditions, capillary filling method, and sonication parameters were all found to be important in producing highly efficient and reproducible monoliths. C1 [Chambers, Stuart D.; Holcombe, Thomas W.; Frechet, Jean M. J.] Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA. [Svec, Frantisek] EO Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA. [Frechet, Jean M. J.] KAUST, Thuwal, Saudi Arabia. RP Frechet, JMJ (reprint author), Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA. EM frechet1@gmail.com OI Frechet, Jean /0000-0001-6419-0163 FU Office of Science, Office of Basic Energy Sciences, Scientific User Facilities Division of the U.S. Department of Energy [DE-AC02-05CH11231]; National Institute of Health [GM48364] FX All experimental and characterization work performed at the Molecular Foundry, Lawrence Berkeley National Laboratory, and F.S. were supported by the Office of Science, Office of Basic Energy Sciences, Scientific User Facilities Division of the U.S. Department of Energy, under Contract No. DE-AC02-05CH11231. Financial support of S.D.C. and J.M.J.F by a grant from the National Institute of Health (GM48364) is gratefully acknowledged. NR 71 TC 66 Z9 66 U1 7 U2 119 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0003-2700 J9 ANAL CHEM JI Anal. Chem. PD DEC 15 PY 2011 VL 83 IS 24 BP 9478 EP 9484 DI 10.1021/ac202183g PG 7 WC Chemistry, Analytical SC Chemistry GA 860KJ UT WOS:000297946900044 PM 22044302 ER PT J AU Smith, DF Robinson, EW Tolmachev, AV Heeren, RMA Pasa-Tolic, L AF Smith, Donald F. Robinson, Errol W. Tolmachev, Aleksey V. Heeren, Ron M. A. Pasa-Tolic, Ljiljana TI C-60 Secondary Ion Fourier Transform Ion Cyclotron Resonance Mass Spectrometry SO ANALYTICAL CHEMISTRY LA English DT Article ID MULTIPHOTON DISSOCIATION; DESORPTION IONIZATION; CLUSTER SIMS; PEPTIDES; SURFACE; SOLIDS; SYSTEM; TISSUE AB Secondary ion mass spectrometry (SIMS) has seen increased application for high spatial resolution chemical imaging of complex biological surfaces. The advent and commercial availability of cluster and polyatomic primary ion sources (e.g., Au and Bi cluster and buckminsterfullerene (C-60)) provide improved secondary ion yield and decreased fragmentation of surface species, thus improving accessibility of intact molecular ions for SIMS analysis. However, full exploitation of the advantages of these new primary ion sources has been limited, due to the use of low mass resolution mass spectrometers without tandem MS to enable enhanced structural identification capabilities. Similarly, high mass resolution and high mass measurement accuracy would greatly improve the chemical specificity of SIMS. Here we combine, for the first time, the advantages of a C-60 primary ion source with the ultrahigh mass resolving power and high mass measurement accuracy of Fourier transform ion cyclotron resonance mass spectrometry. Mass resolving power in excess of 100 000 (m/Delta m(50%)) is demonstrated, with a root-mean-square mass measurement accuracy below 1 part-per-million. Imaging of mouse brain tissue at 40 mu m pixel size is shown. Tandem mass spectrometry of ions from biological tissue is demonstrated and molecular formulas were assigned for fragment ion identification. C1 [Smith, Donald F.; Robinson, Errol W.; Pasa-Tolic, Ljiljana] Pacific NW Natl Lab, Environm Mol Sci Lab, Richland, WA 99352 USA. [Tolmachev, Aleksey V.] Pacific NW Natl Lab, Fundamental & Computat Sci Div, Richland, WA 99352 USA. [Heeren, Ron M. A.] FOM Inst Atom & Mol Phys AMOLF, NL-1098 XG Amsterdam, Netherlands. RP Pasa-Tolic, L (reprint author), Pacific NW Natl Lab, Environm Mol Sci Lab, Richland, WA 99352 USA. EM ljiljana.pasatolic@pnnl.gov RI Robinson, Errol/I-3148-2012; Smith, Donald/K-3939-2013; OI Robinson, Errol/0000-0003-0696-6239; Heeren, Ron/0000-0002-6533-7179 FU American Reinvestment and Recovery Act; U.S. Department of Energy (DOE) Office of Biological and Environmental Research; Department of Energy's Office of Biological and Environmental Research; U.S. Department of Energy [DE-AC05-76RLO 1830]; Nederlands organisatie voor Wetenschappelijk Onderzoek (NWO); EMSL FX Portions of this research were supported by the American Reinvestment and Recovery Act of 2009 and the U.S. Department of Energy (DOE) Office of Biological and Environmental Research. The research described in this article was performed at the W. R. Wiley Environmental Molecular Sciences Laboratory (EMSL), a national scientific user facility sponsored by the Department of Energy's Office of Biological and Environmental Research and located at Pacific Northwest National Laboratory (PNNL). PNNL is operated by Battelle for the U.S. Department of Energy under Contract DE-AC05-76RLO 1830. In addition, work done at AMOLF is part of the research program of the "Stichting voor Fundamenteel Onderzoek der Materie (FOM)", which is financially supported by the "Nederlands organisatie voor Wetenschappelijk Onderzoek (NWO)". R.M.A.H. would like to acknowledge the support of the EMSL Wiley Visiting Scientist Fellowship program for portions of this work. We thank Dan Meili and Christian Berg from Bruker Daltonics for assistance with the solariX FTICR and R James Ewing, the EMSL Instrument Development Laboratory, and the EMSL machine shop for technical support. NR 38 TC 29 Z9 29 U1 1 U2 30 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0003-2700 J9 ANAL CHEM JI Anal. Chem. PD DEC 15 PY 2011 VL 83 IS 24 BP 9552 EP 9556 DI 10.1021/ac2023348 PG 5 WC Chemistry, Analytical SC Chemistry GA 860KJ UT WOS:000297946900054 PM 22060180 ER PT J AU Fraga, CG Acosta, GAP Crenshaw, MD Wallace, K Mong, GM Colburn, HA AF Fraga, Carlos G. Acosta, Gabriel A. Perez Crenshaw, Michael D. Wallace, Krys Mong, Gary M. Colburn, Heather A. TI Impurity Profiling to Match a Nerve Agent to Its Precursor Source for Chemical Forensics Applications SO ANALYTICAL CHEMISTRY LA English DT Article ID LIQUID-CHROMATOGRAPHY; MASS-SPECTROMETRY; VOLATILE IMPURITIES; TETRAMETHYLENEDISULFOTETRAMINE; IDENTIFICATION; SARIN AB Chemical forensics is a developing field that aims to attribute a chemical (or mixture) of interest to its source by the analysis of the chemical itself or associated material constituents. Herein, for the first time, trace impurities detected by gas chromatography/mass spectrometry and originating from a chemical precursor were used to match a synthesized nerve agent to its precursor source. Specifically, six batches of sarin (GB, isopropyl methylphosphonofluoridate) and its intermediate methylphosphonic difluoride (DF) were synthesized from two commercial stocks of 97% pure methylphosphonic dichloride (DC); the GB and DF were then matched by impurity profiling to their DC stocks from a collection of five possible stocks. Source matching was objectively demonstrated through the grouping by hierarchal cluster analysis of the GB and DF synthetic batches with their respective DC precursor stocks based solely upon the impurities previously detected in five DC stocks. This was possible because each tested DC stock had a unique impurity profile that had 57% to 88% of its impurities persisting through product synthesis, decontamination, and sample preparation. This work forms a basis for the use of impurity profiling to help find and prosecute perpetrators of chemical attacks. C1 [Fraga, Carlos G.; Acosta, Gabriel A. Perez; Wallace, Krys; Mong, Gary M.; Colburn, Heather A.] Pacific NW Natl Lab, Richland, WA 99352 USA. [Crenshaw, Michael D.] Battelle Mem Inst, Columbus, OH 43201 USA. RP Fraga, CG (reprint author), Pacific NW Natl Lab, 902 Battelle Blvd, Richland, WA 99352 USA. EM carlos.fraga@pnnl.gov FU Science and Technology Directorate, U.S. Department of Homeland Security [AGRHSHQDC-X-00344] FX We thank L. Hernon-Kenny for the GC/MS purity analysis of the GB batches and JR. Cort for the NMR purity analysis of the DF batches. Funding for this work was provided by the Science and Technology Directorate, U.S. Department of Homeland Security under contract AGRHSHQDC-X-00344. NR 35 TC 14 Z9 14 U1 2 U2 43 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0003-2700 J9 ANAL CHEM JI Anal. Chem. PD DEC 15 PY 2011 VL 83 IS 24 BP 9564 EP 9572 DI 10.1021/ac202340u PG 9 WC Chemistry, Analytical SC Chemistry GA 860KJ UT WOS:000297946900056 PM 22040126 ER PT J AU You, XQ Zubarev, DY Lester, WA Frenklach, M AF You, Xiaoqing Zubarev, Dmitry Yu Lester, William A., Jr. Frenklach, Michael TI Thermal Decomposition of Pentacene Oxyradicals SO JOURNAL OF PHYSICAL CHEMISTRY A LA English DT Article ID POLYCYCLIC AROMATIC-HYDROCARBONS; GRAPHENE LAYER GROWTH; SOOT FORMATION; AB-INITIO; UNIMOLECULAR DECOMPOSITION; SHOCK-WAVES; EDGE GROWTH; SURFACE; KINETICS; O-2 AB The energetics and kinetics of the thermal decomposition of pentacene oxyradicals were studied using a combination of ab initio electronic structure theory and energy-transfer master equation modeling. The rate coefficients of pentacene oxyradical decomposition were computed for the range of 1500-2500 K and 0.01-10 atm and found to be both temperature and pressure dependent. The computational results reveal that oxyradicals with oxygen attached to the inner rings are kinetically more stable than those with oxygen attached to the outer rings. The latter decompose to produce CO at rates comparable to those of phenoxy radical, while CO is unlikely to be produced from oxyradicals with oxygen bonded to the inner rings. C1 [You, Xiaoqing; Frenklach, Michael] Univ Calif Berkeley, Dept Mech Engn, Berkeley, CA 94720 USA. [Zubarev, Dmitry Yu; Lester, William A., Jr.] Univ Calif Berkeley, Dept Chem, Kenneth S Pitzer Ctr Theoret Chem, Berkeley, CA 94720 USA. [Lester, William A., Jr.] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Chem Sci, Berkeley, CA 94720 USA. [Frenklach, Michael] Univ Calif Berkeley, Lawrence Berkeley Lab, Environm Energy Technol Div, Berkeley, CA 94720 USA. RP Frenklach, M (reprint author), Univ Calif Berkeley, Dept Mech Engn, Berkeley, CA 94720 USA. EM myf@me.berkeley.edu RI You, Xiaoqing/B-1240-2015 FU U.S. Army Corps of Engineers, Humphreys Engineering Center Support Activity [W912HQ-07-C-0044]; National Science Foundation [NSF CHE-0809969]; Office of Energy Research, Office of Basic Energy Sciences, Chemical Sciences, Geosciences and Biosciences Division of the U.S. Department of Energy [DE-AC03-76F00098] FX X.Y. and M.F. were supported by the U.S. Army Corps of Engineers, Humphreys Engineering Center Support Activity, under Contract No. W912HQ-07-C-0044. D.Y.Z. was supported by the National Science Foundation under Grant NSF CHE-0809969. W.A.L. and M.F. were supported by the Director, Office of Energy Research, Office of Basic Energy Sciences, Chemical Sciences, Geosciences and Biosciences Division of the U.S. Department of Energy, under Contract No. DE-AC03-76F00098. The authors are indebted to Professors David Golden and John Barker for their help with the use of the MultiWell code. NR 48 TC 17 Z9 17 U1 0 U2 23 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 1089-5639 J9 J PHYS CHEM A JI J. Phys. Chem. A PD DEC 15 PY 2011 VL 115 IS 49 BP 14184 EP 14190 DI 10.1021/jp208974b PG 7 WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical SC Chemistry; Physics GA 856AP UT WOS:000297608900008 PM 22054037 ER PT J AU Parthasarathi, R Bellesia, G Chundawat, SPS Dale, BE Langan, P Gnanakaran, S AF Parthasarathi, R. Bellesia, G. Chundawat, S. P. S. Dale, B. E. Langan, P. Gnanakaran, S. TI Insights into Hydrogen Bonding and Stacking Interactions in Cellulose SO JOURNAL OF PHYSICAL CHEMISTRY A LA English DT Article ID NEUTRON FIBER DIFFRACTION; SYNCHROTRON X-RAY; DENSITY-FUNCTIONAL-THEORY; DNA-BASE PAIRS; VAN-DER-WAALS; IN-MOLECULES PERSPECTIVE; NONEMPIRICAL AB-INITIO; NONCOVALENT INTERACTIONS; CRYSTAL-STRUCTURE; WATER CLUSTERS AB In this quantum chemical study, we explore hydrogen bonding (H-bonding) and stacking interactions in different crystalline cellulose allomorphs; namely, cellulose I(beta) and cellulose III(1). We consider a model system representing a cellulose crystalline core made from six cellobiose units arranged in three layers with two chains per layer. We calculate the contributions of intrasheet and intersheet interactions to the structure and stability in both cellulose I(beta) and cellulose III(I) crystalline cores. Reference structures for this study were generated from molecular dynamics simulations of water-solvated cellulose I(beta) and III(I) fibrils. A systematic analysis of various conformations describing different mutual orientations of cellobiose units is performed using the hybrid density functional theory with the M06-2X with 6-31+G(d,p) basis sets. We dissect the nature of the forces that stabilize the cellulose I(beta) and cellulose III(I) crystalline cores and quantify the relative strength of H-bonding and stacking interactions. Our calculations demonstrate that individual H-bonding interactions are stronger in cellulose I(beta) than in cellulose III(I); however, the total H-bonding contribution to stabilization is larger in cellulose III(I) because of the highly cooperative nature of the H-bonding network. In addition, we observe a significant contribution from cooperative stacking interactions to the stabilization of cellulose I(beta). The theory of atoms-in-molecules (AIM) has been employed to characterize and quantify these intermolecular interactions. AIM analyses highlight the role of nonconventional CH center dot center dot center dot O H-bonding in the cellulose assemblies. Finally, we calculate molecular electrostatic potential maps for the cellulose allomorphs that capture the differences in chemical reactivity of the systems considered in our study. C1 [Parthasarathi, R.; Bellesia, G.; Gnanakaran, S.] Los Alamos Natl Lab, Theoret Biol & Biophys Grp, Los Alamos, NM 87545 USA. [Bellesia, G.] Los Alamos Natl Lab, Ctr Nonlinear Studies, Los Alamos, NM 87545 USA. [Langan, P.] Los Alamos Natl Lab, Biosci Div, Los Alamos, NM 87545 USA. [Chundawat, S. P. S.; Dale, B. E.] Great Lakes Bioenergy Res Ctr, E Lansing, MI 48824 USA. [Chundawat, S. P. S.; Dale, B. E.] Michigan State Univ, Dept Chem Engn & Mat Sci, E Lansing, MI 48824 USA. [Langan, P.] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA. RP Gnanakaran, S (reprint author), Los Alamos Natl Lab, Theoret Biol & Biophys Grp, POB 1663, Los Alamos, NM 87545 USA. EM gnana@lanl.gov RI Parthasarathi, Ramakrishnan/C-2093-2008; Langan, Paul/N-5237-2015; OI Parthasarathi, Ramakrishnan/0000-0001-5417-5867; Langan, Paul/0000-0002-0247-3122; Gnanakaran, S/0000-0002-9368-3044; Chundawat, Shishir/0000-0003-3677-6735 FU LANL LDRD; NABC; CNLS; DOE Great Lakes Bioenergy Research Center (DOE BER Office of Science) [DE-FC02-07ER64494] FX This work is supported by LANL LDRD and NABC. R.P. acknowledges LANL Directors Postdoctoral program for the financial support. G.B. acknowledges CNLS for partial support. S.P.S.C. and B.E.D. thank the DOE Great Lakes Bioenergy Research Center (DOE BER Office of Science DE-FC02-07ER64494) for support. The authors gratefully acknowledge Dr. V. Subramanian, CLRI, for his generous help in AIM analysis. The authors thank Ms. Donna Fertig Sly Fox Studio, for her art work in cover illustration. NR 116 TC 41 Z9 41 U1 9 U2 98 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 1089-5639 J9 J PHYS CHEM A JI J. Phys. Chem. A PD DEC 15 PY 2011 VL 115 IS 49 BP 14191 EP 14202 DI 10.1021/jp203620x PG 12 WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical SC Chemistry; Physics GA 856AP UT WOS:000297608900009 PM 22023599 ER PT J AU Narendrapurapu, BS Simmonett, AC Schaefer, HF Miller, JA Klippenstein, SJ AF Narendrapurapu, Beulah S. Simmonett, Andrew C. Schaefer, Henry F., III Miller, James A. Klippenstein, Stephen J. TI Combustion Chemistry: Important Features of the C3H5 Potential Energy Surface, Including Allyl Radical, Propargyl+H-2, Allene+H, and Eight Transition States SO JOURNAL OF PHYSICAL CHEMISTRY A LA English DT Article ID AROMATIC-HYDROCARBON FORMATION; COUPLED-CLUSTER METHODS; CORRELATED MOLECULAR CALCULATIONS; RESONANCE-STABILIZED RADICALS; GAUSSIAN-BASIS SETS; OPEN-SHELL; HYDROGEN-ATOMS; WAVE-FUNCTIONS; AB-INITIO; TRIPLE EXCITATIONS AB The C3H5 potential energy surface (PES) encompasses molecules of great significance to hydrocarbon combustion, including the resonantly stabilized free radicals propargyl (plus H-2) and allyl. In this work, we investigate the interconversions that take place on this PES using high level coupled cluster methodology. Accurate geometries are obtained using coupled cluster theory with single, double, and perturbative triple excitations [CCSD(T)] combined with Dunning's correlation consistent quadruple-zeta basis set cc-pVQZ. The energies for these stationary points are then refined by a systematic series of computations, within the focal point scheme, using the cc-pVXZ (X = D, T, Q 5, 6) basis sets and correlation treatments as extensive as coupled cluster with full single, double, and triple excitation and perturbative quadruple excitations [CCSDT(Q)]. Our benchmarks provide a zero-point vibrational energy (ZPVE) corrected barrier of 10.0 kcal mol(-1) for conversion of allene + H toiropargyl + H-2. We also find that the barrier for H addition to a terminal carbon atom in allene leading to propenyl is 1.8 kcal mol(-1) lower than that for the addition to a central atom to form the allyl radical. C1 [Narendrapurapu, Beulah S.; Simmonett, Andrew C.; Schaefer, Henry F., III] Univ Georgia, Ctr Computat Quantum Chem, Athens, GA 30602 USA. [Miller, James A.; Klippenstein, Stephen J.] Argonne Natl Lab, Chem Sci & Engn Div, Argonne, IL 60439 USA. RP Schaefer, HF (reprint author), Univ Georgia, Ctr Computat Quantum Chem, Athens, GA 30602 USA. EM fri@uga.edu OI Klippenstein, Stephen/0000-0001-6297-9187 FU Department of Energy, Basic Energy Sciences; Division of Chemical Sciences; Fundamental Interactions Team [DEFG02-97-ER14748]; DOE [DE-AC02-06CH11357]; National Energy Research Scientific Computing Center (NERSC); Office of Science of the U.S. Department of Energy [DE-AC02-05CH11231] FX This research was supported by the Department of Energy, Basic Energy Sciences, Division of Chemical Sciences, and Fundamental Interactions Team, Grant No. DEFG02-97-ER14748 and at Argonne under DOE Contract Number DE-AC02-06CH11357. This research used the resources of the National Energy Research Scientific Computing Center (NERSC), supported by the Office of Science of the U.S. Department of Energy under Contract No. DE-AC02-05CH11231. NR 50 TC 12 Z9 12 U1 1 U2 52 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 1089-5639 J9 J PHYS CHEM A JI J. Phys. Chem. A PD DEC 15 PY 2011 VL 115 IS 49 BP 14209 EP 14214 DI 10.1021/jp206389q PG 6 WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical SC Chemistry; Physics GA 856AP UT WOS:000297608900011 PM 22032701 ER PT J AU Fletcher, KE Costanza, J Pennell, KD Loffler, FE AF Fletcher, Kelly E. Costanza, Jed Pennell, Kurt D. Loeffler, Frank E. TI Electron donor availability for microbial reductive processes following thermal treatment SO WATER RESEARCH LA English DT Article DE Thermal treatment; Microbial reductive dechlorination; Biostimulation; Bioaugmentation; Combined remedy approaches ID TCE-CONTAMINATED AQUIFER; RICE FIELD SOIL; CHLORINATED SOLVENTS; SOURCE ZONES; DECHLORINATION; ETHENE; TETRACHLOROETHENE; BIOAUGMENTATION; REMEDIATION; BACTERIAL AB Thermal treatment is capable of removing significant free-phase chlorinated solvent mass while potentially enhancing bioremediation effectiveness by establishing temperature gradients in the perimeter of the source zone and by increasing electron donor availability. The objectives of this study were to determine the potential for enhanced reductive dechlorination activity at the intermediate temperatures that establish in the perimeter of the heated source zone, and to evaluate the effect of electron donor competition on the performance of the microbial reductive dechlorination process. Microcosms, constructed with tetrachloroethene- (PCE-) and trichloroethene- (TCE-) impacted soils from the Great Lakes, IL, and Ft. Lewis, WA, sites were incubated at temperatures of 24, 35, 50, 70, and 95 degrees C for 4 months. Reductive dechlorination did not occur in microcosms incubated at temperatures above 24 degrees C even though mesophilic PCE-to-cis-1,2-dichloroethene dechlorinators were present in Ft. Lewis soil suggesting electron donor limitations. Five days after cooling the microcosms to 24 degrees C and bioaugmentation with the methanogenic, PCE-to-ethene-dechlorinating consortium OW, at least 85% of the initial PCE and TCE were dechlorinated, but dechlorination ceased prior to complete conversion to ethene. Subsequent biostimulation with hydrogen gas mitigated the dechlorination stall, and conversion to ethene resumed. The results of this study demonstrated that temperatures >35 degrees C inhibit reductive dechlorination activity at the Great Lakes and Ft. Lewis sites, and that the majority of reducing equivalents released from the soil matrix during heat treatment are consumed in methanogenesis rather than reductive dechlorination. These observations suggest that bioaugmenting thermal treatment sites with cultures that do not contain methanogens may allow practitioners to realize enhanced dechlorination activity, a potential benefit of coupling thermal treatment with bioremediation. (C) 2011 Elsevier Ltd. All rights reserved. C1 [Loeffler, Frank E.] Univ Tennessee, Dept Microbiol, Knoxville, TN 37996 USA. [Fletcher, Kelly E.; Costanza, Jed] Georgia Inst Technol, Sch Civil & Environm Engn, Atlanta, GA 30332 USA. [Pennell, Kurt D.] Tufts Univ, Dept Civil & Environm Engn, Medford, MA 02155 USA. [Loeffler, Frank E.] Univ Tennessee, Dept Civil & Environm Engn, Knoxville, TN 37996 USA. [Loeffler, Frank E.] Oak Ridge Natl Lab, Biosci Div, Oak Ridge, TN 37831 USA. RP Loffler, FE (reprint author), Univ Tennessee, Dept Microbiol, Knoxville, TN 37996 USA. EM frank.loeffler@utk.edu RI Pennell, Kurt/F-6862-2010; Loeffler, Frank/M-8216-2013 OI Pennell, Kurt/0000-0002-5788-6397; FU Strategic Environmental Research and Development Program (SERDP) [W912HQ-05-C-008, ER-1419] FX Support for this research was provided by the Strategic Environmental Research and Development Program (SERDP) under contract W912HQ-05-C-008 for Project ER-1419, "Investigation of Chemical Reactivity, Mass Recovery and Biological Activity During Thermal Treatment of DNAPL". This work has not been subject to SERDP review and no official endorsement should be inferred. NR 34 TC 3 Z9 3 U1 4 U2 19 PU PERGAMON-ELSEVIER SCIENCE LTD PI OXFORD PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND SN 0043-1354 J9 WATER RES JI Water Res. PD DEC 15 PY 2011 VL 45 IS 20 BP 6625 EP 6636 DI 10.1016/j.watres.2011.09.033 PG 12 WC Engineering, Environmental; Environmental Sciences; Water Resources SC Engineering; Environmental Sciences & Ecology; Water Resources GA 862WJ UT WOS:000298124500003 PM 22048015 ER PT J AU Sahajpal, R Zimmerman, SRH Datta, S Hemming, NG Hemming, SR AF Sahajpal, Rahul Zimmerman, Susan R. H. Datta, Saugata Hemming, N. Gary Hemming, Sidney R. TI Assessing Li and other leachable geochemical proxies for paleo-salinity in lake sediments from the Mono Basin, CA (USA) SO GEOCHIMICA ET COSMOCHIMICA ACTA LA English DT Article ID OWENS LAKE; EASTERN CALIFORNIA; SIERRA-NEVADA; CLAY-MINERALS; BISHOP TUFF; ROCK-FLOUR; LEVEL; LAHONTAN; WATERS; OSCILLATIONS AB Regional climate-driven hydrological changes are accompanied by salinity changes in closed basin lakes. We have investigated acid leachable Li, along with other leachable ions including Mg, Ca and Sr, as geochemical proxies of salinity in lake sediments in the Mono Basin, California. All the elements in the acid leachable suite show a strong correlation with paleo-lake level estimates based on physical and stratigraphic evidence. The CaCO(3) content of lake sediments, which has been shown to be a reliable proxy for lake level changes in the Mono basin and the adjoining Owens Lake basin, corresponds well with our acid-leachable proxy data. (C) 2011 Elsevier Ltd. All rights reserved. C1 [Hemming, N. Gary; Hemming, Sidney R.] Columbia Univ, Lamont Doherty Earth Observ, Palisades, NY 10964 USA. [Sahajpal, Rahul; Hemming, N. Gary] CUNY Queens Coll, Sch Earth & Environm Sci, Flushing, NY 11367 USA. [Zimmerman, Susan R. H.] Lawrence Livermore Natl Lab, Ctr Acceleratory Mass Spectrometry, Livermore, CA 94551 USA. [Datta, Saugata] Kansas State Univ, Dept Geol, Manhattan, KS 66506 USA. RP Hemming, NG (reprint author), Columbia Univ, Lamont Doherty Earth Observ, Rt 9W, Palisades, NY 10964 USA. EM hemming@lamont.ldeo.columbia.edu RI Zimmerman, Susan/A-3351-2013 FU American Chemical Society; PSC CUNY; Gary Comer Science and Education Foundation; Geological Society of America; Lamont-Doherty Earth Observatory Climate Center; Graduate Center, CUNY; U.S. Department of Energy by Lawrence Livermore National Laboratory [DE-AC52-07NA27344] FX This research was facilitated by grants and fellowships from the following sources: American Chemical Society, PSC CUNY, Gary Comer Science and Education Foundation, Geological Society of America, Lamont-Doherty Earth Observatory Climate Center, and the Doctoral Dissertation Grant from the Graduate Center, CUNY. We thank Perry Girard, Dee Pederson and Luis Devarez for their assistance in sample preparation. We thank Kale Clauson for his assistance with the ICP-OES at Queens College. We thank Ritvik Sahajpal for providing the satellite image for Mono Lake. We thank Pat Catanzaro for her help with figures. This work performed, in part, under the auspices of the U.S. Department of Energy by Lawrence Livermore National Laboratory under Contract DE-AC52-07NA27344. NR 44 TC 0 Z9 0 U1 1 U2 14 PU PERGAMON-ELSEVIER SCIENCE LTD PI OXFORD PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND SN 0016-7037 J9 GEOCHIM COSMOCHIM AC JI Geochim. Cosmochim. Acta PD DEC 15 PY 2011 VL 75 IS 24 BP 7855 EP 7863 DI 10.1016/j.gca.2011.10.001 PG 9 WC Geochemistry & Geophysics SC Geochemistry & Geophysics GA 851IK UT WOS:000297261500008 ER PT J AU Crowell, SR Amin, SG Anderson, KA Krishnegowda, G Sharma, AK Soelberg, JJ Williams, DE Corley, RA AF Crowell, Susan Ritger Amin, Shantu G. Anderson, Kim A. Krishnegowda, Gowdahalli Sharma, Arun K. Soelberg, Jolen J. Williams, David E. Corley, Richard A. TI Preliminary physiologically based pharmacokinetic models for benzo[a]pyrene and dibenzo[def,p]chrysene in rodents SO TOXICOLOGY AND APPLIED PHARMACOLOGY LA English DT Article DE PBPK modeling; Benzo[a]pyrene; Dibenzo[def,p]chrysene; Polycyclic aromatic hydrocarbons ID TUMOR-INITIATING ACTIVITY; RAT MAMMARY-GLAND; MOUSE SKIN; GASTROINTESTINAL ABSORPTION; PARTITION-COEFFICIENTS; AROMATIC-HYDROCARBONS; ULTIMATE CARCINOGENS; METABOLIC-ACTIVATION; CYTOCHROME-P450; BENZOPYRENE AB Polycyclic aromatic hydrocarbons (PAHs) are ubiquitous environmental contaminants generated as byproducts of natural and anthropogenic combustion processes. Despite significant public health concern, physiologically based pharmacokinetic (PBPK) modeling efforts for PAHs have so far been limited to naphthalene, plus simpler PK models for pyrene, nitropyrene, and benzo[a]pyrene (B[a]P). The dearth of published models is due in part to the high lipophilicity, low volatility, and myriad metabolic pathways for PAHs, all of which present analytical and experimental challenges. Our research efforts have focused upon experimental approaches and initial development of PBPK models for the prototypic PAH, B[a]P, and the more potent, albeit less studied transplacental carcinogen, dibenzo[def,p]chrysene (DBC). For both compounds, model compartments included arterial and venous blood, flow limited lung, liver, richly perfused and poorly perfused tissues, diffusion limited fat, and a two compartment theoretical gut (for oral exposures). Hepatic and pulmonary metabolism was described for both compounds, as were fractional binding in blood and fecal clearance. Partition coefficients for parent PAH along with their diol and tetraol metabolites were estimated using published algorithms and verified experimentally for the hydroxylated metabolites. The preliminary PBPK models were able to describe many, but not all, of the available data sets, comprising multiple routes of exposure (oral, intravenous) and nominal doses spanning several orders of magnitude. Supported by Award Number P42 ES016465 from the National Institute of Environmental Health Sciences. Published by Elsevier Inc. C1 [Crowell, Susan Ritger; Soelberg, Jolen J.; Corley, Richard A.] Pacific NW Natl Lab, Biol Monitoring & Modeling Grp, Richland, WA 99352 USA. [Amin, Shantu G.; Krishnegowda, Gowdahalli; Sharma, Arun K.] Penn State Univ, Coll Med, Dept Pharmacol, Hershey, PA USA. [Anderson, Kim A.; Williams, David E.] Oregon State Univ, Dept Environm & Mol Toxicol, Corvallis, OR 97331 USA. RP Crowell, SR (reprint author), 902 Battelle Blvd, Richland, WA 99352 USA. EM Susan.crowell@pnnl.gov OI GOWDA, KRISHNE/0000-0002-6042-0520 FU National Institute of Environmental Health Sciences (NIEHS) [P42 ES016465] FX This work was supported by Award Number P42 ES016465 from the National Institute of Environmental Health Sciences (NIEHS). The authors declare that there are no conflicts of interest. NR 51 TC 15 Z9 15 U1 1 U2 25 PU ACADEMIC PRESS INC ELSEVIER SCIENCE PI SAN DIEGO PA 525 B ST, STE 1900, SAN DIEGO, CA 92101-4495 USA SN 0041-008X J9 TOXICOL APPL PHARM JI Toxicol. Appl. Pharmacol. PD DEC 15 PY 2011 VL 257 IS 3 BP 365 EP 376 DI 10.1016/j.taap.2011.09.020 PG 12 WC Pharmacology & Pharmacy; Toxicology SC Pharmacology & Pharmacy; Toxicology GA 860TP UT WOS:000297970900007 PM 22001385 ER PT J AU Ihlefeld, JF Clem, PG Doyle, BL Kotula, PG Fenton, KR Apblett, CA AF Ihlefeld, Jon F. Clem, Paul G. Doyle, Barney L. Kotula, Paul G. Fenton, Kyle R. Apblett, Christopher A. TI Fast Lithium-Ion Conducting Thin-Film Electrolytes Integrated Directly on Flexible Substrates for High-Power Solid-State Batteries SO ADVANCED MATERIALS LA English DT Article DE lithium-ion batteries; thin films; base metals; electrolytes ID DEFICIENT PEROVSKITES LA1/3-XLI3XTAO3; CRYSTAL-STRUCTURE; TITANATE; SRTIO3; OXIDES; COPPER AB By utilizing an equilibrium processing strategy that enables co-firing of oxides and base metals, a means to integrate the lithium-stable fast lithium-ion conductor lanthanum lithium tantalate directly with a thin copper foil current collector appropriate for a solid-state battery is presented. This resulting thin-film electrolyte possesses a room temperature lithium-ion conductivity of 1.5 x 10(-5) S cm(-1), which has the potential to increase the power of a solid-state battery over current state of the art. C1 [Ihlefeld, Jon F.; Clem, Paul G.; Doyle, Barney L.; Kotula, Paul G.; Fenton, Kyle R.; Apblett, Christopher A.] Sandia Natl Labs, Albuquerque, NM 87185 USA. RP Ihlefeld, JF (reprint author), Sandia Natl Labs, POB 5800, Albuquerque, NM 87185 USA. EM jihlefe@sandia.gov RI Ihlefeld, Jon/B-3117-2009; Kotula, Paul/A-7657-2011 OI Kotula, Paul/0000-0002-7521-2759 FU United States Department of Energy's National Nuclear Security Administration [DE-AC04-94AL85000] FX Sandia National Laboratories is a multiprogram laboratory operated by Sandia Corporation, a wholly owned subsidiary of Lockheed Martin Company, for the United States Department of Energy's National Nuclear Security Administration under Contract DE-AC04-94AL85000. The authors wish to acknowledge technical assistance from Dr. Nancy Missert, Garry Bryant, Kelsey Meyer, and Stuart van Duesen and critical discussions with Dr. Erik Spoerke. NR 27 TC 32 Z9 32 U1 10 U2 144 PU WILEY-BLACKWELL PI MALDEN PA COMMERCE PLACE, 350 MAIN ST, MALDEN 02148, MA USA SN 0935-9648 J9 ADV MATER JI Adv. Mater. PD DEC 15 PY 2011 VL 23 IS 47 BP 5663 EP + DI 10.1002/adma.201102980 PG 6 WC Chemistry, Multidisciplinary; Chemistry, Physical; Nanoscience & Nanotechnology; Materials Science, Multidisciplinary; Physics, Applied; Physics, Condensed Matter SC Chemistry; Science & Technology - Other Topics; Materials Science; Physics GA 858ID UT WOS:000297788600011 PM 22057430 ER PT J AU O'Brien, CP Miller, JB Morreale, BD Gellman, AJ AF O'Brien, Casey P. Miller, James B. Morreale, Bryan D. Gellman, Andrew J. TI The Kinetics of H-2-D-2 Exchange over Pd, Cu, and PdCu Surfaces SO JOURNAL OF PHYSICAL CHEMISTRY C LA English DT Article ID DISSOCIATIVE ADSORPTION; STICKING PROBABILITY; COMPOSITE MEMBRANE; HYDROGEN PERMEANCE; ALLOY MEMBRANES; METAL-SURFACES; 1 BAR; H-2; DYNAMICS; H2S AB PdCu alloy membranes are promising candidates for hydrogen separation from H2S-containing gas mixtures. Dissociative H-2 adsorption and associative desorption are important steps in the process of hydrogen transport across PdCu membranes; however, the kinetics of H-2 adsorption and desorption on PdCu surfaces are not well understood. In this work, the kinetics and energetics of H-2 adsorption and desorption on Pd, Cu, and PdCu surfaces are investigated by microkinetic analysis of H-2-D-2 exchange (H-2 + D-2 -> 2HD) over fixed beds of Pd, Cu, Pd70Cu30, and Pd47Cu53 foils at near-ambient pressure and temperatures in the range 300-900 K. The rate of H-2-D-2 exchange over Cu, which is the least active H-2-D-2 exchange catalyst used in this study, is limited by the rate of H-2 adsorption due to the large activation barrier to dissociative H-2 adsorption on Cu (Delta E-ads(double dagger) = 0.54 +/- 0.06 eV). The Cu content of the PdCu alloys and the crystal structures of the Pd-hydride phases (alpha- and beta-PdH) and of Pd47Cu53 (body-centered cubic and face-centered cubic (FCC)) all have a significant impact on the kinetics of H-2-D-2 exchange. The activation barriers to dissociative H-2 adsorption, Delta E-ads(double dagger), on beta-Pd-hydride (0.3 +/- 0.1 eV), alpha-Pd-hydride (0.12 +/- 0.04 eV), Pd70Cu30 (0.09 +/- 0.02 eV), B2 Pd47Cu53 (0.15 +/- 0.02 eV), and FCC Pd47Cu53 (0.00 +/- 0.02 eV), are relatively small compared to the adsorption barrier on Cu. Over these surfaces, the rates of H-2-D-2 exchange are limited primarily by the rate of HD desorption. H-2-D-2 exchange activities in the desorption-limited cases decrease (FCC Pd47Cu53 > Pd70Cu30 > B2 Pd47Cu53 > beta-PdH > alpha-PdH) as the barriers to HD desorption, Delta E-des(double dagger), increase in the order FCC Pd47Cu53 (0.46 +/- 0.03 eV) < Pd70Cu30 (0.52 +/- 0.02 eV) < beta-PdH (0.63 +/- 0.03 eV) tau tau cross section with the ATLAS detector SO PHYSICAL REVIEW D LA English DT Article ID DECAY AB The Z -> tau tau cross section is measured with the ATLAS experiment at the LHC in four different final states determined by the decay modes of the tau leptons: muon-hadron, electron-hadron, electron-muon, and muon-muon. The analysis is based on a data sample corresponding to an integrated luminosity of 36 pb(-1), at a proton-proton center-of-mass energy of root s = 7 TeV. Cross sections are measured separately for each final state in fiducial regions of high detector acceptance, as well as in the full phase space, over the mass region 66-116 GeV. The individual cross sections are combined and the product of the total Z production cross section and Z -> tau tau branching fraction is measured to be 0.97 +/- 0.07(stat) +/- 0.06(syst) +/- 0: 03(lumi) nb, in agreement with next-to-next-to-leading order calculations. C1 [Aad, G.; Ahles, F.; Beckingham, M.; Bernhard, R.; Bitenc, U.; Bruneliere, R.; Caron, S.; Christov, A.; Consorti, V.; Eckert, S.; Fehling-Kaschek, M.; Flechl, M.; Glatzer, J.; Hartert, J.; Herten, G.; Horner, S.; Jakobs, K.; Ketterer, C.; Kollefrath, M.; Kononov, A. I.; Kuehn, S.; Lai, S.; Landgraf, U.; Lohwasser, K.; Ludwig, I.; Ludwig, J.; Lumb, D.; Mahboubi, K.; Meinhardt, J.; Mohr, W.; Nilsen, H.; Parzefall, U.; Rammensee, M.; Runge, K.; Rurikova, Z.; Schmidt, E.; Schumacher, M.; Siegert, F.; Stoerig, K.; Sundermann, J. E.; Temming, K. K.; Thoma, S.; Tobias, J.; Tsiskaridze, V.; Venturi, M.; Vivarelli, I.; von Radziewski, H.; Warsinsky, M.; Weiser, C.; Werner, M.; Wiik, L. A. M.; Winkelmann, S.; Xie, S.; Zimmermann, S.] Univ Freiburg, Fak Math & Phys, D-79106 Freiburg, Germany. [Alam, M. S.; Ernst, J.; Rojo, V.] SUNY Albany, Albany, NY 12222 USA. [Bahinipati, S.; Buchanan, N. J.; Chan, K.; Gingrich, D. M.; Kim, M. S.; Liu, S.; Moore, R. W.; Pinfold, J. L.; Soni, N.; Subramania, H. S.] Univ Alberta, Dept Phys, Edmonton, AB, Canada. [Cakir, O.; Ciftci, A. K.; Ciftci, R.; Persembe, S.] Ankara Univ, Dept Phys, TR-06100 Ankara, Turkey. [Yildiz, H. Duran] Dumlupinar Univ, Dept Phys, Kutahya, Turkey. [Yilmaz, M.] Gazi Univ, Dept Phys, Ankara, Turkey. [Sultansoy, S.] TOBB Univ Econ & Technol, Div Phys, Ankara, Turkey. [Cakir, I. Turk] Turkish Atom Energy Commiss, Ankara, Turkey. [Bella, L. Aperio; Aubert, B.; Berger, N.; Colas, J.; Di Ciaccio, L.; Doan, T. K. O.; Elles, S.; Ghez, P.; Gouanere, M.; Goy, C.; Guillemin, T.; Helary, L.; Hryn'ova, T.; Ionescu, G.; Jeremie, A.; Jezequel, S.; Kataoka, M.; Labbe, J.; Lafaye, R.; Leveque, J.; Lombardo, V. P.; Massol, N.; Perrodo, P.; Przysiezniak, H.; Sauvage, G.; Todorov, T.; Tsionou, D.; Wingerter-Seez, I.; Zitoun, R.; Zolnierowski, Y.] Univ Savoie, Annecy Le Vieux, France. [Abdesselam, A.; Bella, L. Aperio; Aubert, B.; Berger, N.; Colas, J.; Di Ciaccio, L.; Doan, T. K. O.; Elles, S.; Ghez, P.; Gouanere, M.; Goy, C.; Guillemin, T.; Helary, L.; Hryn'ova, T.; Ionescu, G.; Jeremie, A.; Jezequel, S.; Kataoka, M.; Labbe, J.; Lafaye, R.; Leveque, J.; Lombardo, V. P.; Massol, N.; Perrodo, P.; Przysiezniak, H.; Sauvage, G.; Todorov, T.; Tsionou, D.; Wingerter-Seez, I.; Zitoun, R.; Zolnierowski, Y.] CNRS IN2P3, LAPP, Annecy Le Vieux, France. [Asquith, L.; Blair, R. E.; Chekanov, S.; Dawson, J. W.; Fellmann, D.; Guarino, V. J.; Hill, D.; Hill, N.; Karr, K.; LeCompte, T.; Malon, D.; May, E. N.; Nodulman, L.; Paramonov, A.; Price, L. E.; Proudfoot, J.; Ferrando, B. M. Salvachua; Schlereth, J. L.; Stanek, R. W.; Underwood, D. G.; van Gemmeren, P.; Vaniachine, A.; Yoshida, R.; Zhang, J.] Argonne Natl Lab, Div High Energy Phys, Argonne, IL 60439 USA. [Cheu, E.; Johns, K. A.; Kaushik, V.; Lampen, C. L.; Lampl, W.; Lei, X.; Loch, P.; Mal, P.; Ruehr, F.; Rutherfoord, J. P.; Shaver, L.; Shupe, M. A.; Varnes, E. W.] Univ Arizona, Dept Phys, Tucson, AZ 85721 USA. [Brown, H.; De, K.; Farbin, A.; Heelan, L.; Hernandez, C. M.; Kim, H.; Nilsson, P.; Ozturk, N.; Pravahan, R.; Sarkisyan-Grinbaum, E.; Sosebee, M.; Stradling, A. R.; Usai, G.; Vartapetian, A.; White, A.; Yu, J.] Univ Texas Arlington, Dept Phys, Arlington, TX 76019 USA. [Antonaki, A.; Fassouliotis, D.; Giakoumopoulou, V.; Giokaris, N.; Ioannou, P.; Kourkoumelis, C.; Manousakis-Katsikakis, A.; Tzanakos, G.; Vellidis, C.] Univ Athens, Dept Phys, Athens, Greece. [Alexopoulos, T.; Avramidou, R.; Dris, M.; Filippas, A.; Fokitis, M.; Gazis, E. N.; Iakovidis, G.; Katsoufis, E.; Leontsinis, S.; Maltezos, S.; Panagiotopoulou, E.; Papadopoulou, Th. D.; Savva, P.; Tsipolitis, G.; Vlachos, S.; Xaplanteris, L.] Natl Tech Univ Athens, Dept Phys, Zografos, Greece. [Abdinov, O.; Aliyev, M.; Aloisio, A.; Khalil-zada, F.; Rzaeva, S.] Azerbaijan Acad Sci, Inst Phys, Baku 370143, Azerbaijan. [Abdallah, J.; Bosman, M.; Casado, M. P.; Cavalli-Sforza, M.; Conidi, M. C.; Demirkoz, B.; Dosil, M.; Curull, X. Espinal; Grinstein, S.; Helsens, C.; Korolkov, I.; Martinez, M.; Meoni, E.; Mir, L. M.; Verge, L. Miralles; Nadal, J.; Osuna, C.; Pages, A. Pacheco; Padilla Aranda, C.; Codina, E. Perez; Riu, I.; Rossetti, V.; Segura, E.; Succurro, A.; Sushkov, S.; Vaque, F. Vives; Vorwerk, V.] Inst Fis Altes Energies, Barcelona, Spain. [Abdallah, J.; Abdesselam, A.; Bosman, M.; Casado, M. P.; Cavalli-Sforza, M.; Conidi, M. C.; Demirkoz, B.; Dosil, M.; Curull, X. Espinal; Grinstein, S.; Helsens, C.; Korolkov, I.; Martinez, M.; Meoni, E.; Mir, L. M.; Verge, L. Miralles; Nadal, J.; Osuna, C.; Pages, A. Pacheco; Padilla Aranda, C.; Codina, E. Perez; Riu, I.; Rossetti, V.; Segura, E.; Succurro, A.; Sushkov, S.; Vaque, F. Vives; Vorwerk, V.] Univ Autonoma Barcelona, E-08193 Barcelona, Spain. [Abdallah, J.; Bosman, M.; Casado, M. P.; Cavalli-Sforza, M.; Conidi, M. C.; Demirkoz, B.; Dosil, M.; Curull, X. Espinal; Grinstein, S.; Helsens, C.; Korolkov, I.; Martinez, M.; Meoni, E.; Mir, L. M.; Verge, L. Miralles; Nadal, J.; Osuna, C.; Pages, A. Pacheco; Padilla Aranda, C.; Codina, E. Perez; Riu, I.; Rossetti, V.; Segura, E.; Succurro, A.; Sushkov, S.; Vaque, F. Vives; Vorwerk, V.] ICREA, Barcelona, Spain. [Borjanovic, I.; Krstic, J.; Popovic, D. S.; Reljic, D.; Sijacki, Dj.; Simic, Lj.; Vranjes, N.] Univ Belgrade, Inst Phys, Belgrade, Serbia. [Bozovic-Jelisavcic, I.; Jovin, T.; Mamuzic, J.; Mudrinic, M.] Vinca Inst Nucl Sci, Belgrade, Serbia. [Buanes, T.; Burgess, T.; Eigen, G.; Johansen, L. G.; Kastanas, A.; Liebig, W.; Lipniacka, A.; Rosendahl, P. L.; Sandaker, H.; Sjursen, T. B.; Stugu, B.; Tonoyan, A.; Ugland, M.] Univ Bergen, Dept Phys & Technol, Bergen, Norway. [Arguin, J-F.; Bach, A. M.; Galtieri, A. Barbaro; Barnett, R. M.; Beringer, J.; Biesiada, J.; Calafiura, P.; Ciocio, A.; Cooke, M.; Dube, S.; Einsweiler, K.; Ely, R.; Gaponenko, A.; Garcia-Sciveres, M.; Gilchriese, M.; Haber, C.; Heinemann, B.; Hinchliffe, I.; Hsu, S. -C.; Hurwitz, M.; Joseph, J.; Korn, A.; Lavrijsen, W.; Leggett, C.; Loscutoff, P.; Lys, J.; Madaras, R. J.; Griso, S. Pagan; Quarrie, D. R.; Ruwiedel, C.; Scherzer, M. I.; Shapiro, M.; Siegrist, J.; Skinnari, L. A.; Stavropoulos, G.; Tatarkhanov, M.; Tompkins, L.; Tsulaia, V.; Vahsen, S.; Varouchas, D.; Virzi, J.; Yao, W-M.; Yao, Y.; Zenz, S.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Div Phys, Berkeley, CA 94720 USA. [Aliev, M.; Brandt, A.; Giorgi, F. M.; Grancagnolo, S.; Herrberg, R.; Hristova, I.; Kind, O.; Kolanoski, H.; Kwee, R.; Lacker, H.; Leyton, M.; Lohse, T.; Mandrysch, R.; Nikiforov, A.; Schulz, H.; zur Nedden, M.] Humboldt Univ, Dept Phys, Berlin, Germany. [Battaglia, A.; Beck, H. P.; Borer, C.; Ereditato, A.; Martin, T. Fonseca; Gallo, V.; Haug, S.; Kabana, S.; Kruker, T.; Pretzl, K.; Topfel, C.; Venturi, N.; Weber, M. S.] Univ Bern, Albert Einstein Ctr Fundamental Phys, Bern, Switzerland. [Abdesselam, A.; Battaglia, A.; Beck, H. P.; Borer, C.; Ereditato, A.; Pretzl, K.; Topfel, C.; Venturi, N.; Weber, M. S.] Univ Bern, High Energy Phys Lab, Bern, Switzerland. [Abdesselam, A.; Bansil, H. S.; Bracinik, J.; Charlton, D. G.; Collins, N. J.; Curtis, C. J.; Dowell, J. D.; Garvey, J.; Hadley, D. R.; Harrison, K.; Hawkes, C. M.; Head, S. J.; Hillier, S. J.; Lilley, J. N.; Mahout, G.; Martin, T. A.; Mclaughlan, T.; Newman, P. R.; O'Neale, S. W.; Palmer, J. D.; Slater, M.; Thomas, J. P.; Thompson, P. D.; Watkins, P. M.; Watson, A. T.; Watson, M. F.; Wilson, J. A.] Univ Birmingham, Sch Phys & Astron, Birmingham, W Midlands, England. [Akdogan, T.; Arik, E.; Arik, M.; Istin, S.; Ozcan, V. E.; Rador, T.] Bogazici Univ, Dept Phys, Istanbul, Turkey. [Cetin, S. A.] Dogus Univ, Div Phys, Istanbul, Turkey. [Beddall, A. J.; Beddall, A.; Bingul, A.; Diblen, F.] Gaziantep Univ, Dept Engn Phys, Gaziantep, Turkey. Istanbul Tech Univ, Dept Phys, TR-80626 Istanbul, Turkey. [Bellagamba, L.; Bertin, A.; Bindi, M.; Boscherini, D.; Bruni, A.; Bruni, G.; Bruschi, M.; Caforio, D.; Ciocca, C.; Corradi, M.; De Castro, S.; Di Sipio, R.; Fabbri, L.; Giacobbe, B.; Giusti, P.; Jha, M. K.; Massa, I.; Mengarelli, A.; Monzani, S.; Piccinini, M.; Polini, A.; Rinaldi, L.; Sbarra, C.; Sbrizzi, A.; Semprini-Cesari, N.; Spighi, R.; Valentinetti, S.; Villa, M.; Zoccoli, A.] INFN Sez Bologna, Bologna, Italy. [Bertin, A.; Bindi, M.; Caforio, D.; Ciocca, C.; De Castro, S.; Di Sipio, R.; Fabbri, L.; Massa, I.; Mengarelli, A.; Monzani, S.; Piccinini, M.; Sbarra, C.; Sbrizzi, A.; Semprini-Cesari, N.; Valentinetti, S.; Villa, M.; Zoccoli, A.] Univ Bologna, Dipartmento Fis, Bologna, Italy. [Alhroob, M.; Anders, C. F.; Arutinov, D.; Backhaus, M.; Barbero, M.; Bartsch, D.; Brock, I.; Cristinziani, M.; Desch, K.; Dingfelder, J.; Fischer, P.; Gaycken, G.; Geich-Gimbel, Ch.; Gonella, L.; Havranek, M.; Hellmich, D.; Hillert, S.; Huegging, F.; Ince, T.; Janus, M.; Khoriauli, G.; Koevesarki, P.; Kokott, T.; Kostyukhin, V. V.; Kroseberg, J.; Krueger, H.; Kruth, A.; Lapoire, C.; Lehmacher, M.; Leyko, A. M.; Limbach, C.; Loddenkoetter, T.; Mathes, M.; Mazur, M.; Meuser, S.; Moeser, N.; Mueller, K.; Nanava, G.; Nattermann, T.; Nuncio-Quiroz, A. -E.; Poghosyan, T.; Psoroulas, S.; Radics, B.; Runolfsson, O.; Schaepe, S.; Schmieden, K.; Schmitz, M.; Schumacher, J. W.; Schwindt, T.; Stillings, J. A.; Stockmanns, T.; Therhaag, J.; Tsung, J. -W.; Uchida, K.; Uhlenbrock, M.; Vlasov, N.; Vogel, A.; von Toerne, E.; Wermes, N.; Wienemann, P.; Zendler, C.; Zimmermann, R.; Zimmermann, S.] Univ Bonn, Inst Phys, Bonn, Germany. [Ahlen, S. P.; Black, K. M.; Butler, J. M.; Harrington, R. D.; Hazen, E.; Lewandowska, M.; Love, J.; Marin, A.; Nation, N. R.; Posch, C.; Shank, J. T.; Whitaker, S. P.; Yan, Z.; Youssef, S.] Boston Univ, Dept Phys, Boston, MA 02215 USA. [Aefsky, S.; Amelung, C.; Bensinger, J. R.; Blocker, C.; Kirsch, L. E.; Pomeroy, D.; Skvorodnev, N.; Wellenstein, H.] Brandeis Univ, Dept Phys, Waltham, MA 02254 USA. [Caloba, L. P.; Cerqueira, A. S.; Torres, R. Coura; Da Silva, P. V. M.; do Vale, M. A. B.; Maidantchik, C.; Marroquim, F.; Nepomuceno, A. A.; Perantoni, M.; Seixas, J. M.] Univ Fed Rio de Janeiro COPPE EE IF, Rio De Janeiro, Brazil. [Donadelli, M.; Leite, M. A. L.] Univ Sao Paulo, Inst Fis, BR-01498 Sao Paulo, Brazil. [Adams, D. L.; Assamagan, K.; Baker, M. D.; Begel, M.; Bernius, C.; Chen, H.; Chernyatin, V.; Salgado, P. E. De Castro Faria; Dhullipudi, R.; Ernst, M.; Gadfort, T.; Gibbard, B.; Gordon, H. A.; Greenwood, Z. D.; Hackenburg, R.; Klimentov, A.; Lanni, F.; Lissauer, D.; Lynn, D.; Ma, H.; Maeno, T.; Majewski, S.; Nevski, P.; Nikolopoulos, K.; Damazio, D. Oliveira; Paige, F.; Panitkin, S.; Park, W.; Pleier, M. A.; Poblaguev, A.; Polychronakos, V.; Protopopescu, S.; Purohit, M.; Rahm, D.; Rajagopalan, S.; Redlinger, G.; Sawyer, L.; Snyder, S.; Sondericker, J.; Steinbach, P.; Steinberg, P.; Stumer, I.; Takai, H.; Tamsett, M. C.; Tarrade, F.; Trivedi, A.; Undrus, A.; Wenaus, T.; White, S.; Ye, S.; Yu, D.] Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA. [Alexa, C.; Badescu, E.; Boldea, V.; Buda, S. I.; Caprini, I.; Caprini, M.; Caramarcu, C.; Ciubancan, M.; Constantinescu, S.; Cuciuc, C. -M.; Dita, P.; Dita, S.; Micu, L.; Pantea, D.; Popeneciu, G. A.; Rotaru, M.; Stoicea, G.] Natl Inst Phys & Nucl Engn, Bucharest, Romania. [Darlea, G. L.] Univ Politehn Bucuresti, Bucharest, Romania. W Univ Timisoara, Timisoara, Romania. [Silva, M. L. Gonzalez; Otero Y Garzon, G.; Piegaia, R.; Romeo, G.] Univ Buenos Aires, Dept Fis, Buenos Aires, DF, Argentina. [Ask, S.; Barber, T.; Barlow, N.; Batley, J. R.; Brochu, F. M.; Buttinger, W.; Carter, J. R.; Chapman, J. D.; Cowden, C.; French, S. T.; Frost, J. A.; Hill, J. C.; Khoo, T. J.; Lester, C. G.; Moeller, V.; Parker, M. A.; Phillips, A. W.; Robinson, D.; Sandoval, T.; Thomson, M.; Ward, C. P.] Univ Cambridge, Cavendish Lab, Cambridge CB3 0HE, England. [Archambault, J. P.; Cojocaru, C. D.; Gee, C. N. P.; Gillberg, D.; Khakzad, M.; Liu, C.; McCarthy, T. G.; Oakham, F. G.; Randrianarivony, K.; Ueno, R.; Vincter, M. G.; Whalen, K.] Carleton Univ, Dept Phys, Ottawa, ON K1S 5B6, Canada. [Aleksa, M.; Amaral, P.; Anastopoulos, C.; Anghinolfi, F.; Arfaoui, S.; Baak, M. A.; Bachas, K.; Bachy, G.; Pedrosa, F. 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M.; Grognuz, J.; Haas, S.; Hahn, F.; Haider, S.; Hatch, M.; Hauschild, M.; Hawkings, R. J.; Correia, A. M. Henriques; Hervas, L.; Hoecker, A.; Huhtinen, M.; Inigo-Golfin, J.; Jaekel, M. R.; Jenni, P.; Jonsson, O.; Joram, C.; Kaneda, M.; Kaplon, J.; Kerschen, N.; Klioutchnikova, T.; Knobloch, J.; Koeneke, K.; Koffas, T.; Kollar, D.; Kotamaeki, M. J.; Kvita, J.; Lamanna, M.; Lantzsch, K.; Lasseur, C.; Lassnig, M.; Miotto, G. Lehmann; Lenzi, B.; Lichard, P.; Magnoni, L.; Malyukov, S.; Mapelli, A.; Mapelli, L.; Marchand, J. F.; Marshall, Z.; Martin, B.; Maugain, J. M.; McLaren, R. A.; Menot, C.; Messina, A.; Meyer, T. C.; Michal, S.; Miele, P.; Molina-Perez, J.; Morley, A. K.; Mornacchi, G.; Muenstermann, D.; Nairz, A. M.; Nakahama, Y.; Negri, G.; Nessi, M.; Nicquevert, B.; Niinikoski, T.; Nordberg, M.; Nyman, T.; Palestini, S.; Pastore, Fr.; Pauly, T.; Pengo, R.; Pernegger, H.; Petersen, B. A.; Petersen, J.; Piacquadio, G.; Pirotte, O.; Pommes, K.; Poppleton, A.; Poulard, G.; Pribyl, L.; Price, M. J.; Raymond, M.; Rembser, C.; Dos Santos, D. Roda; Roe, S.; Salzburger, A.; Savu, D. O.; Schlenker, S.; Schott, M.; Schuh, S.; Schuler, G.; Sfyrla, A.; Shimizu, S.; Sloper, J.; Spigo, G.; Spiwoks, R.; Stanecka, E.; Stewart, G. A.; Stockton, M. C.; Sumida, T.; Szeless, B.; Tappern, G. P.; Ten Kate, H.; Viegas, F. J. Tique Aires; Torchiani, I.; Tremblet, L.; Tricoli, A.; Tsarouchas, C.; Tyrvainen, H.; Unal, G.; van der Ster, D.; Vandelli, W.; Vandoni, G.; Rodriguez, F. Varela; Veness, R.; Vinek, E.; Voss, R.; Vuillermet, R.; Wells, P. S.; Wengler, T.; Wenig, S.; Werner, P.; Wilkens, H. G.; Winklmeier, F.; Wotschack, J.; Zajacova, Z.; Zsenei, A.; Zwalinski, L.] CERN, Geneva, Switzerland. [Anderson, K. J.; Boveia, A.; Canelli, F.; Choudalakis, G.; Costin, T.; Feng, E. J.; Fiascaris, M.; Gardner, R. W.; Gupta, A.; Jen-La Plante, I.; Kapliy, A.; Melachrinos, C.; Merritt, F. S.; Onyisi, P. U. E.; Oreglia, M. J.; Pilcher, J. E.; Shochet, M. J.; Tuggle, J. M.] Univ Chicago, Enrico Fermi Inst, Chicago, IL 60637 USA. [Diaz, M. A.; Panes, B.; Quinonez, F.; Maltrana, D. Romero; Urrejola, P.] Pontificia Univ Catolica Chile, Dept Fis, Santiago, Chile. [Brooks, W. K.; Kuleshov, S.; Pezoa, R.; Prokoshin, F.] Univ Tecn Federico Santa Maria, Dept Fis, Valparaiso, Chile. [Bai, Y.; Cheng, S.; Han, H.; Jin, S.; Lu, F.; Ouyang, Q.; Shan, L. Y.; Tong, G.; Xie, Y.; Xu, C.; Xu, G.; Yang, Y.; Yuan, L.; Zheng, S.] Chinese Acad Sci, Inst High Energy Phys, Beijing, Peoples R China. [Han, L.; Jiang, Y.; Jin, G.; Li, S.; Liu, M.; Liu, Y.; Wang, H.; Wu, Y.; Zhan, Z.; Zhao, Z.] Univ Sci & Technol China, Dept Modern Phys, Hefei, Anhui, Peoples R China. [Chen, S.; Chen, T.; Ping, J.; Yu, J.; Zhong, J.] Nanjing Univ, Dept Phys, Nanjing, Jiangsu, Peoples R China. [Feng, C.; Ge, P.; He, M.; Miao, J.; Wang, J.; Zhang, X.; Zhu, C. G.] Shandong Univ, High Energy Phys Grp, Jinan, Shandong, Peoples R China. [Busato, E.; Calvet, D.; Calvet, S.; Toro, R. Camacho; Cinca, D.; Febbraro, R.; Ghodbane, N.; Guicheney, C.; Pallin, D.; Podlyski, F.; Santoni, C.; Says, L. P.; Vazeille, F.] Clermont Univ, Phys Corpusculaire Lab, Aubiere, France. [Busato, E.; Calvet, D.; Calvet, S.; Toro, R. Camacho; Cinca, D.; Febbraro, R.; Ghodbane, N.; Guicheney, C.; Pallin, D.; Podlyski, F.; Santoni, C.; Says, L. P.; Vazeille, F.] Univ Clermont Ferrand, Aubiere, France. [Busato, E.; Calvet, D.; Calvet, S.; Toro, R. Camacho; Cinca, D.; Febbraro, R.; Ghodbane, N.; Guicheney, C.; Pallin, D.; Podlyski, F.; Santoni, C.; Says, L. P.; Vazeille, F.] CNRS IN2P3, Aubiere, France. [Andeen, T.; Angerami, A.; Brooijmans, G.; Copic, K.; Dodd, J.; Grau, N.; Guo, J.; Hughes, E. W.; Leltchouk, M.; Parsons, J. A.; Penson, A.; Perez, K.; Reale, V. Perez; Spano, F.; Tuts, P. M.; Urbaniec, D.; Williams, E.; Willis, W.; Wulf, E.; Zivkovic, L.] Columbia Univ, Nevis Lab, New York, NY USA. [Boelaert, N.; Dam, M.; Driouichi, C.; Hansen, J. R.; Hansen, J. B.; Hansen, J. D.; Hansen, P. H.; Heisterkamp, S.; Jakobsen, S.; Jez, P.; Joergensen, M. D.; Kadlecik, P.; Klinkby, E. B.; Lundquist, J.; Mackeprang, R.; Mehlhase, S.; Petersen, T. C.; Simonyan, M.; Xella, S.] Univ Copenhagen, Niels Bohr Inst, Copenhagen, Denmark. [Capua, M.; Crosetti, G.; Fazio, S.; La Rotonda, L.; Mastroberardino, A.; Morello, G.; Salvatore, D.; Schioppa, M.; Susinno, G.; Tassi, E.] INFN Grp Collegato Cosenza, Cosenza, Italy. [Capua, M.; Crosetti, G.; Fazio, S.; La Rotonda, L.; Mastroberardino, A.; Morello, G.; Salvatore, D.; Schioppa, M.; Susinno, G.; Tassi, E.] Univ Calabria, Dipartimento Fis, Arcavacata Di Rende, Italy. [Ciba, K.; Dabrowski, W.; Dwuznik, M.; Idzik, M.; Jelen, K.; Kisielewska, D.; Koperny, S.; Kowalski, T. Z.; Mindur, B.; Rulikowska-Zarebska, E.; Toczek, B.] AGH Univ Sci & Technol, Fac Phys & Appl Comp Sci, Krakow, Poland. [Banas, E.; Blocki, J.; de Renstrom, P. A. Bruckman; Derendarz, D.; Gornicki, E.; Hajduk, Z.; Iwanski, W.; Kaczmarska, A.; Korcyl, K.; Malecki, Pa.; Malecki, P.; Olszewski, A.; Olszowska, J.; Richter-Was, E.; Trzupek, A.; Turala, M.; Wolter, M. W.; Wosiek, B. K.; Zemla, A.] Polish Acad Sci, Henryk Niewodniczanski Inst Nucl Phys, Krakow, Poland. [Daya, R. K.; Yagci, K. Dindar; Firan, A.; Goldin, D.; Hadavand, H. K.; Hoffman, J.; Ilchenko, Y.; Ishmukhametov, R.; Joffe, D.; Kama, S.; Kasmi, A.; Kehoe, R.; Liang, Z.; Renkel, P.; Rios, R. R.; Stroynowski, R.; Ye, J.; Zarzhitsky, P.] So Methodist Univ, Dept Phys, Dallas, TX 75275 USA. [Ahsan, M.; Galyaev, E.; Izen, J. M.; Lou, X.; Reeves, K.] Univ Texas Dallas, Dept Phys, Richardson, TX 75083 USA. [Bechtle, P.; Kuutmann, E. Bergeaas; Boehler, M.; Dietrich, J.; Ehrenfeld, W.; Ferrara, V.; Fischer, G.; Glazov, A.; Goebel, M.; Fajardo, L. S. Gomez; Da Costa, J. Goncalves Pinto Firmino; Gosdzik, B.; Grahn, K-J.; Gregor, I. M.; Hiller, K. H.; Husemann, U.; Belenguer, M. Jimenez; Johnert, S.; Karnevskiy, M.; Katzy, J.; Kono, T.; Kuhl, T.; Lange, C.; Lobodzinska, E.; Ludwig, D.; Maettig, S.; Medinnis, M.; Mijovic, L.; Moenig, K.; Naumann, T.; Nozicka, M.; Cavalcanti, T. Perez; Petschull, D.; Piec, S. M.; Placakyte, R.; Qin, Z.; Rubinskiy, I.; Stelzer, H. J.; Tackmann, K.; Terwort, M.; Vankov, P.; Viti, M.; Wildt, M. A.; Zhu, H.] DESY, D-2000 Hamburg, Germany. [Abdesselam, A.; Bechtle, P.; Kuutmann, E. Bergeaas; Boehler, M.; Dietrich, J.; Ehrenfeld, W.; Ferrara, V.; Fischer, G.; Glazov, A.; Goebel, M.; Fajardo, L. S. Gomez; Da Costa, J. Goncalves Pinto Firmino; Gosdzik, B.; Grahn, K-J.; Gregor, I. M.; Hiller, K. H.; Husemann, U.; Belenguer, M. Jimenez; Johnert, S.; Karnevskiy, M.; Katzy, J.; Kono, T.; Kuhl, T.; Lange, C.; Lobodzinska, E.; Ludwig, D.; Maettig, S.; Medinnis, M.; Mijovic, L.; Moenig, K.; Naumann, T.; Nozicka, M.; Cavalcanti, T. Perez; Petschull, D.; Piec, S. M.; Placakyte, R.; Qin, Z.; Rubinskiy, I.; Stelzer, H. J.; Tackmann, K.; Terwort, M.; Vankov, P.; Viti, M.; Wildt, M. A.; Zhu, H.] DESY, Zeuthen, Germany. [Bunse, M.; Dobos, D.; Goessling, C.; Hirsch, F.; Klaiber-Lodewigs, J.; Klingenberg, R.; Reisinger, I.; Walbersloh, J.; Weber, J.; Wunstorf, R.] Tech Univ Dortmund, Inst Expt Phys 4, Dortmund, Germany. [Goepfert, T.; Gumpert, C.; Kar, D.; Kobel, M.; Leonhardt, K.; Ludwig, A.; Mader, W. F.; Prudent, X.; Rudolph, C.; Schwierz, R.; Seifert, F.; Straessner, A.; Vest, A.] Tech Univ Dresden, Inst Kern & Teilchenphys, D-01062 Dresden, Germany. [Arce, A. T. H.; Benjamin, D. P.; Bocci, A.; Ebenstein, W. L.; Ko, B. R.; Kotwal, A.; Oh, S. H.; Wang, C.; Yamaoka, J.] Duke Univ, Dept Phys, Durham, NC 27706 USA. [Bhimji, W.; Buckley, A. G.; Clark, P. J.; O'Brien, B. J.; Wynne, B. M.] Univ Edinburgh, SUPA Sch Phys & Astron, Edinburgh, Midlothian, Scotland. [Annovi, A.; Antonelli, M.; Bilokon, H.; Cerutti, F.; Curatolo, M.; Esposito, B.; Ferrer, M. L.; Gatti, C.; Laurelli, P.; Maccarrone, G.; Sansoni, A.; Testa, M.; Vilucchi, E.; Volpi, G.; Wen, M.] Ist Nazl Fis Nucl, Lab Nazl Frascati, I-00044 Frascati, Italy. [Abdelalim, A. A.; Alexandre, G.; Backes, M.; Barone, G.; Bell, P. J.; Bell, W. H.; Berglund, E.; Blondel, A.; Bucci, F.; Clark, A.; Dao, V.; Ferrere, D.; Gadomski, S.; Navarro, J. E. Garcia; Gaumer, O.; Gonzalez-Sevilla, S.; Goulette, M. P.; Hamilton, A.; Iacobucci, G.; Leger, A.; Lister, A.; Macina, D.; Latour, B. Martin dit; Herrera, C. Mora; Morone, M-C.; Nektarijevic, S.; Nikolics, K.; Pasztor, G.; Pohl, M.; Robichaud-Veronneau, A.; Rosbach, K.; Rosselet, L.; Wu, X.] Univ Geneva, Sect Phys, Geneva, Switzerland. [Barberis, D.; Beccherle, R.; Caso, C.; Coccaro, A.; Cornelissen, T.; Dameri, M.; Darbo, G.; Parodi, A. Ferretto; Gagliardi, G.; Gemme, C.; Morettini, P.; Olcese, M.; Osculati, B.; Parodi, F.; Rossi, L. P.; Schiavi, C.] INFN Sez Genova, Genoa, Italy. [Barberis, D.; Caso, C.; Coccaro, A.; Cornelissen, T.; Dameri, M.; Parodi, A. Ferretto; Gagliardi, G.; Osculati, B.; Parodi, F.; Schiavi, C.] Univ Genoa, Dipartimento Fis, Genoa, Italy. [Chikovani, L.; Djobava, T.; Khubua, J.; Mchedlidze, G.; Mosidze, M.; Tskhadadze, E. G.] Georgian Acad Sci, Inst Phys, GE-380077 Tbilisi, Rep of Georgia. [Chikovani, L.; Djobava, T.; Khubua, J.; Mchedlidze, G.; Mosidze, M.; Tskhadadze, E. G.] Georgian Acad Sci, HEP Inst, GE-380060 Tbilisi, Rep of Georgia. [Chikovani, L.; Djobava, T.; Khubua, J.; Mchedlidze, G.; Mosidze, M.; Tskhadadze, E. G.] Tbilisi State Univ, GE-380086 Tbilisi, Rep of Georgia. [Astvatsatourov, A.; Dueren, M.; Stenzel, H.] Univ Giessen, Inst Phys 2, D-6300 Giessen, Germany. [Allwood-Spiers, S. E.; Bates, R. L.; Britton, D.; Bussey, P.; Buttar, C. M.; Collins-Tooth, C.; D'Auria, S.; Doherty, T.; Doyle, A. T.; Edwards, N. C.; Ferrag, S.; Ferrando, J.; Gemmell, A.; Kenyon, M.; McGlone, H.; Moraes, A.; O'Shea, V.; Barrera, C. Oropeza; Pickford, A.; Robson, A.; Saxon, D. H.; Shaw, C.; Smith, K. M.; St Denis, R. D.; Steele, G.; Thompson, A. S.; Wraight, K.; Wright, C.] Univ Glasgow, SUPA Sch Phys & Astron, Glasgow, Lanark, Scotland. [Ay, C.; Blumenschein, U.; Brandt, G.; Brandt, O.; Erdmann, J.; Evangelakou, D.; George, M.; Grosse-Knetter, J.; Guindon, S.; Haller, J.; Henrichs, A.; Hensel, C.; Keil, M.; Knue, A.; Kohn, F.; Krieger, N.; Kroeninger, K.; Magradze, E.; Mann, A.; Meyer, J.; Morel, J.; Quadt, A.; Roe, A.; Shabalina, E.; Uhrmacher, M.; Weber, P.; Weingarten, J.] Univ Gottingen, Inst Phys 2, Gottingen, Germany. [Albrand, S.; Andrieux, M-L.; Clement, B.; Collot, J.; Crepe-Renaudin, S.; Delsart, P. A.; Donini, J.; Dzahini, D.; Hostachy, J-Y.; Laisne, E.; Ledroit-Guillon, F.; Lleres, A.; Lucotte, A.; Malek, F.; Martin, Ph.; Polci, F.; Stark, J.; Sun, X.; Trocme, B.; Weydert, C.] Univ Grenoble 1, Lab Phys Subat & Cosmol, Grenoble, France. [Albrand, S.; Andrieux, M-L.; Clement, B.; Collot, J.; Crepe-Renaudin, S.; Delsart, P. A.; Donini, J.; Dzahini, D.; Hostachy, J-Y.; Laisne, E.; Ledroit-Guillon, F.; Lleres, A.; Lucotte, A.; Malek, F.; Martin, Ph.; Polci, F.; Stark, J.; Sun, X.; Trocme, B.; Weydert, C.] CNRS IN2P3, Grenoble, France. [Albrand, S.; Andrieux, M-L.; Clement, B.; Collot, J.; Crepe-Renaudin, S.; Delsart, P. A.; Donini, J.; Dzahini, D.; Hostachy, J-Y.; Laisne, E.; Ledroit-Guillon, F.; Lleres, A.; Lucotte, A.; Malek, F.; Martin, Ph.; Polci, F.; Stark, J.; Sun, X.; Trocme, B.; Weydert, C.] Inst Natl Polytech Grenoble, F-38031 Grenoble, France. [Addy, T. N.; Harvey, A.; McFarlane, K. W.; Shin, T.; Vassilakopoulos, V. I.] Hampton Univ, Dept Phys, Hampton, VA 23668 USA. [da Costa, J. Barreiro Guimaraes; Belloni, A.; Brandenburg, G. W.; Franklin, M.; Hurst, P.; Huth, J.; Jeanty, L.; Kagan, M.; Mateos, D. Lopez; Outschoorn, V. Martinez; Mercurio, K. M.; Mills, C.; Moed, S.; Morii, M.; Prasad, S.; Smith, B. C.; della Porta, G. Zevi] Harvard Univ, Lab Particle Phys & Cosmol, Cambridge, MA 02138 USA. [Abdesselam, A.; Andrei, V.; Childers, J. T.; Davygora, Y.; Dietzsch, T. A.; Foehlisch, F.; Geweniger, C.; Hanke, P.; Henke, M.; Khomich, A.; Kluge, E. -E.; Lendermann, V.; Meier, K.; Mueller, F.; Poddar, S.; Scharf, V.; Schultz-Coulon, H. -C.; Stamen, R.; Wessels, M.] Heidelberg Univ, Kirchhoff Inst Phys, Heidelberg, Germany. [Radescu, V.; Schaetzel, S.; Schmitt, S.; Schoening, A.] Heidelberg Univ, Inst Phys, D-6900 Heidelberg, Germany. [Kugel, A.; Maenner, R.; Schroer, N.] Heidelberg Univ, ZITI Inst Tech Informat, D-6800 Mannheim, Germany. [Ohsugi, T.] Hiroshima Univ, Fac Sci, Hiroshima 730, Japan. [Nagasaka, Y.] Hiroshima Inst Technol, Fac Appl Informat Sci, Hiroshima, Japan. [Akiyama, A.; Brunet, S.; Cwetanski, P.; Evans, H.; Gagnon, P.; Jain, V.; Luehring, F.; Marino, C. P.; Ogren, H.; Penwell, J.; Price, D.; Rust, D. R.; Whittington, D.; Yang, Y.; Zieminska, D.] Indiana Univ, Dept Phys, Bloomington, IN 47405 USA. [Epp, B.; Jussel, P.; Kneringer, E.; Kuhn, D.; Rudolph, G.] Leopold Franzens Univ, Inst Astro & Teilchenphys, Innsbruck, Austria. [Behera, P. K.; Limper, M.; Mallik, U.; Zaidan, R.] Univ Iowa, Iowa City, IA USA. [Chen, C.; Cochran, J.; Dudziak, F.; Mete, A. S.; Meyer, W. T.; Prell, S.; Rosenberg, E. I.; Ruiz-Martinez, A.; Yamamoto, K.] Iowa State Univ, Dept Phys & Astron, Ames, IA USA. [Aleksandrov, I. N.; Barashkou, A.; Bardin, D. Y.; Bednyakov, V. A.; Boyko, I. R.; Budagov, I. A.; Chelkov, G. A.; Cheplakov, A.; Chepurnov, V. F.; Chizhov, M. V.; Dedovich, D. V.; Demichev, M.; Glonti, G. L.; Gostkin, M. I.; Grigalashvili, N.; Gusakov, Y.; Huseynov, N.; Kalinovskaya, L. V.; Kazarinov, M. Y.; Kekelidze, G. D.; Kharchenko, D.; Khovanskiy, N.; Khramov, E.; Kolesnikov, V.; Kotov, V. M.; Kruchonak, U.; Krumshteyn, Z. V.; Kukhtin, V.; Ladygin, E.; Lazarev, A. B.; Manjavidze, I. D.; Minashvili, I. A.; Mineev, M.; Nikolaev, K.; Olchevski, A. G.; Peshekhonov, V. D.; Romanov, V. M.; Rumyantsev, L.; Rusakovich, N. A.; Sadykov, R.; Sisakyan, A. N.; Topilin, N. D.; Vinogradov, V. B.; Zhemchugov, A.] JINR Dubna, Joint Inst Nucl Res, Dubna, Russia. [Amako, K.; Arai, Y.; Doi, Y.; Haruyama, T.; Ikegami, Y.; Ikeno, M.; Ishii, K.; Ishino, M.; Iwasaki, H.; Kanzaki, J.; Kohriki, T.; Kondo, T.; Makida, Y.; Manabe, A.; Mitsui, S.; Morita, Y.; Murakami, K.; Nagano, K.; Nozaki, M.; Odaka, S.; Ohska, T. K.; Sasaki, O.; Sasaki, T.; Suzuki, Y.; Tanaka, S.; Terada, S.; Tokushuku, K.; Tsuno, S.; Unno, Y.; Yamada, M.; Yamamoto, A.; Yasu, Y.] High Energy Accelerator Res Org, KEK, Tsukuba, Ibaraki, Japan. [Akiyama, A.; Hayakawa, T.; Homma, Y.; Ichimiya, R.; Ishikawa, A.; Kawagoe, K.; King, M.; Kiyamura, H.; Kurashige, H.; Matsushita, T.; Miyazaki, K.; Nishiyama, T.; Ochi, A.; Okada, S.; Omachi, C.; Suita, K.; Takeda, H.; Tani, K.; Tokunaga, K.; Yamazaki, Y.] Kobe Univ, Grad Sch Sci, Kobe, Hyogo 657, Japan. [Sasao, N.] Kyoto Univ, Fac Sci, Kyoto, Japan. [Takashima, R.] Kyoto Univ, Kyoto 612, Japan. [Anduaga, X. S.; Dova, M. T.; Monticelli, F.; Tripiana, M. F.] Univ Nacl La Plata, Inst Fis La Plata, La Plata, Buenos Aires, Argentina. [Anduaga, X. S.; Dova, M. T.; Monticelli, F.; Tripiana, M. F.] Consejo Nacl Invest Cient & Tecn, La Plata, Buenos Aires, Argentina. [Barton, A. E.; Borissov, G.; Bouhova-Thacker, E. V.; Brodbeck, T. J.; Catmore, J. R.; Chilingarov, A.; Davidson, R.; De Mora, L.; Fox, H.; Henderson, R. C. W.; Hughes, G.; Jones, R. W. L.; Kartvelishvili, V.; Long, R. E.; Love, P. A.; Ratoff, P. N.; Sloan, T. J.; Smizanska, M.; Walder, J.] Univ Lancaster, Dept Phys, Lancaster, England. [Bianco, M.; Cataldi, G.; Chiodini, G.; Crupi, R.; Gorini, E.; Grancagnolo, F.; Guida, A.; Perrino, R.; Primavera, M.; Spagnolo, S.; Ventura, A.] INFN Sez Lecce, Lecce, Italy. [Bianco, M.; Crupi, R.; Gorini, E.; Guida, A.; Spagnolo, S.; Ventura, A.] Univ Salento, Dipartimento Fis, Lecce, Italy. [Allport, P. P.; Austin, N.; Burdin, S.; D'Onofrio, M.; Dervan, P.; Greenshaw, T.; Gwilliam, C. B.; Houlden, M. A.; Jackson, J. N.; Jones, T. J.; King, B. T.; Klein, M.; Klein, U.; Kluge, T.; Kretzschmar, J.; Laycock, P.; Maxfield, S. J.; Mehta, A.; Migas, S.; Prichard, P. M.; Sellers, G.; Vossebeld, J. H.; Waller, P.; Wrona, B.] Univ Liverpool, Oliver Lodge Lab, Liverpool L69 3BX, Merseyside, England. [Boek, J.; Braun, H. M.; Chapman, J. D.; Dolenc, I.; Drees, J.; Filipcic, A.; Gorfine, G.; Gorisek, A.; Grah, C.; Hirschbuehl, D.; Kersevan, B. P.; Khoroshilov, A.; Kootz, A.; Kramberger, G.; Lenzen, G.; Macek, B.; Mandic, I.; Sartisohn, G.; Schultes, J.; Thadome, J.; Tykhonov, A.; Wahlen, H.; Wicke, D.; Zeitnitz, C.] Jozef Stefan Inst, Dept Phys, Ljubljana, Slovenia. [Cindro, V.; Deliyergiyev, M.; Dolenc, I.; Filipcic, A.; Gorisek, A.; Kersevan, B. P.; Kramberger, G.; Macek, B.; Mandic, I.; Mikuz, M.; Tykhonov, A.] Univ Ljubljana, Ljubljana, Slovenia. [Adragna, P.; Bona, M.; Carter, A. A.; Cerrito, L.; Eisenhandler, E.; Ellis, K.; Landon, M. P. J.; Lloyd, S. L.; Morin, J.; Morris, J. D.; Piccaro, E.; Poll, J.; Rizvi, E.; Salamanna, G.; Stevenson, K.; Castanheira, M. Teixeira Dias; Traynor, D.; Wiglesworth, C.] Queen Mary Univ London, Dept Phys, London, England. [Alam, M. A.; Berry, T.; Boisvert, V.; Boorman, G.; Cooper-Smith, N. J.; Cowan, G.; Edwards, C. A.; George, S.; Goncalo, R.; Hayden, D.; Misiejuk, A.; Rose, M.; Strong, J. A.; Teixeira-Dias, P.] Royal Holloway Univ London, Dept Phys, Surrey, England. [Baker, S.; Bernat, P.; Bieniek, S. P.; Boeser, S.; Butterworth, J. M.; Byatt, T.; Campanelli, M.; Christidi, I. A.; Cooper, B. D.; Davison, A. R.; Dean, S.; Jansen, E.; Jones, T. W.; Konstantinidis, N.; Monk, J.; Nash, M.; Nurse, E.; Prabhu, R.; Richards, A.; Robinson, J. E. M.; Sherwood, P.; Simmons, B.; Taylor, C.; Waugh, B. M.; Wijeratne, P. A.] UCL, Dept Phys & Astron, London, England. [Beau, T.; Bordoni, S.; Calderini, G.; Cavalleri, P.; Chareyre, E.; De Cecco, S.; Derue, F.; Imbault, D.; Krasny, M. W.; Kuna, M.; Lacour, D.; Laforge, B.; Laplace, S.; Le Dortz, O.; Lellouch, J.; Marchiori, G.; Nikolic-Audit, I.; Ocariz, J.; Ridel, M.; Roos, L.; Schwemling, Ph.; Theveneaux-Pelzer, T.; Torres, H.; Trincaz-Duvoid, S.; Trinh, T. N.; Vannucci, F.; Yuan, L.] UPMC, Lab Phys Nucl & Hautes Energies, Paris, France. [Beau, T.; Bordoni, S.; Calderini, G.; Cavalleri, P.; Chareyre, E.; De Cecco, S.; Derue, F.; Imbault, D.; Krasny, M. W.; Kuna, M.; Lacour, D.; Laforge, B.; Laplace, S.; Le Dortz, O.; Lellouch, J.; Marchiori, G.; Nikolic-Audit, I.; Ocariz, J.; Ridel, M.; Roos, L.; Schwemling, Ph.; Theveneaux-Pelzer, T.; Torres, H.; Trincaz-Duvoid, S.; Trinh, T. N.; Vannucci, F.; Yuan, L.] Univ Paris Diderot, Paris, France. [Beau, T.; Bordoni, S.; Calderini, G.; Cavalleri, P.; Chareyre, E.; De Cecco, S.; Derue, F.; Imbault, D.; Krasny, M. W.; Kuna, M.; Lacour, D.; Laforge, B.; Laplace, S.; Le Dortz, O.; Lellouch, J.; Marchiori, G.; Nikolic-Audit, I.; Ocariz, J.; Ridel, M.; Roos, L.; Schwemling, Ph.; Theveneaux-Pelzer, T.; Torres, H.; Trincaz-Duvoid, S.; Trinh, T. N.; Vannucci, F.; Yuan, L.] CNRS IN2P3, Paris, France. [Akesson, T. P. A.; Alonso, A.; Bocchetta, S. S.; Hedberg, V.; Jarlskog, G.; Lundberg, B.; Lytken, E.; Meirose, B.; Smirnova, O.] Lund Univ, Fysiska Inst, Lund, Sweden. [Barreiro, F.; Cantero, J.; De La Torre, H.; Del Peso, J.; Glasman, C.; Labarga, L.; Lagouri, T.; Merino, J. Llorente; March, L.; Nebot, E.; Rodier, S.; Terron, J.] Univ Autonoma Madrid, Dept Fis Teor C 15, Madrid, Spain. [Aharrouche, M.; Arnaez, O.; Bendel, M.; Blum, W.; Buescher, V.; Eckweiler, S.; Edmonds, K.; Ellinghaus, F.; Ertel, E.; Fiedler, F.; Fleckner, J.; Goeringer, C.; Handel, C.; Hohlfeld, M.; Ji, W.; Kawamura, G.; Kleinknecht, K.; Koenig, S.; Koepke, L.; Lungwitz, M.; Masetti, L.; Meyer, C.; Moreno, D.; Neusiedl, A.; Rieke, S.; Sander, H. G.; Schaefer, U.; Schmitt, C.; Schroeder, C.; Tapprogge, S.; Anh, T. Vu] Johannes Gutenberg Univ Mainz, Inst Phys, D-6500 Mainz, Germany. [Almond, J.; Brown, G.; Chavda, V.; Cox, B. E.; Da Via, C.; Duerdoth, I. P.; Forti, A.; Foster, J. M.; Howarth, J.; Hughes-Jones, R. E.; Ibbotson, M.; Jones, G.; Keates, J. R.; Kelly, M.; Kolya, S. D.; Lane, J. L.; Loebinger, F. K.; Marshall, R.; Martyniuk, A. C.; Marx, M.; Masik, J.; Miyagawa, P. S.; Oh, A.; Owen, M.; Pater, J. R.; Pilkington, A. D.; Plano, W. G.; Schwanenberger, C.; Snow, S. W.; Watts, S.; Yang, U. K.] Univ Manchester, Sch Phys & Astron, Manchester, Lancs, England. [Aoun, S.; Bee, C. P.; Benchouk, C.; Bernardet, K.; Bousson, N.; Clemens, J. C.; Coadou, Y.; Delpierre, P.; Djama, F.; Etienne, F.; Feligioni, L.; Henry-Couannier, F.; Hoffmann, D.; Hubaut, F.; Knoops, E. B. F. G.; Le Guirriec, E.; Li, B.; Monnier, E.; Odier, J.; Petit, E.; Pralavorio, P.; Qian, Z.; Rozanov, A.; Talby, M.; Tannoury, N.; Tisserant, S.; Toth, J.; Touchard, F.; Vacavant, L.] Aix Marseille Univ, CPPM, Marseille, France. [Aoun, S.; Bee, C. P.; Benchouk, C.; Bernardet, K.; Bousson, N.; Clemens, J. C.; Coadou, Y.; Delpierre, P.; Djama, F.; Etienne, F.; Feligioni, L.; Henry-Couannier, F.; Hoffmann, D.; Hubaut, F.; Knoops, E. B. F. G.; Le Guirriec, E.; Li, B.; Monnier, E.; Odier, J.; Petit, E.; Pralavorio, P.; Qian, Z.; Rozanov, A.; Talby, M.; Tannoury, N.; Tisserant, S.; Toth, J.; Touchard, F.; Vacavant, L.] CNRS IN2P3, Marseille, France. [Brau, B.; Colon, G.; Dallapiccola, C.; Meade, A.; Moyse, E. J. W.; Thompson, E. N.; van Eldik, N.; Willocq, S.; Woudstra, M. J.] Univ Massachusetts, Dept Phys, Amherst, MA 01003 USA. [Belanger-Champagne, C.; Chapleau, B.; Cheatham, S.; Corriveau, F.; Dobbs, M.; Dufour, M-A.; Guler, H.; Klemetti, M.; Robertson, S. H.; Rios, C. Santamarina; Schram, M.; Vachon, B.; Warburton, A.] McGill Univ, Dept Phys, Montreal, PQ, Canada. [Barberio, E. L.; Davey, W.; Davidson, N.; Felzmann, C. U.; Kubota, T.; Limosani, A.; Moorhead, G. F.; Hanninger, G. Nunes; Phan, A.; Sevior, M. E.; Shao, Q. T.; Taylor, G. N.; Volpi, M.; White, M. J.] Univ Melbourne, Sch Phys, Melbourne, Vic 3010, Australia. [Armbruster, A. J.; Chapman, J. W.; Cirilli, M.; Dai, T.; Diehl, E. B.; Eppig, A.; Ferretti, C.; Goldfarb, S.; Harper, D.; Levin, D.; Liu, H.; Liu, J. B.; Mc Kee, S. P.; Neal, H. A.; Panikashvili, N.; Purdham, J.; Qian, J.; Scheirich, D.; Thun, R. P.; Walch, S.; Wilson, A.; Wu, Y.; Yang, H.; Zhou, B.; Zhu, J.] Univ Michigan, Dept Phys, Ann Arbor, MI 48109 USA. [Abdesselam, A.; Abolins, M.; Arabidze, G.; Brock, R.; Bromberg, C.; Caughron, S.; Di Mattia, A.; Fedorko, W.; Hauser, R.; Heim, S.; Holzbauer, J. L.; Huston, J.; Koll, J.; Kraus, J.; Linnemann, J. T.; Mangeard, P. S.; Martin, B.; Miller, R. J.; Pope, B. G.; Ryan, P.; Schwienhorst, R.; Tollefson, K.; Zhang, H.] Michigan State Univ, Dept Phys & Astron, E Lansing, MI 48824 USA. [Acerbi, E.; Alessandria, F.; Alimonti, G.; Andreazza, A.; Baccaglioni, G.; Battistoni, G.; Besana, M. I.; Broggi, F.; Carminati, L.; Cavalli, D.; Consonni, S. M.; Costa, G.; Dell'Asta, L.; Fanti, M.; Favareto, A.; Giugni, D.; Koletsou, I.; Lari, T.; Mandelli, L.; Mazzanti, M.; Meroni, C.; Montesano, S.; Perini, L.; Pizio, C.; Ragusa, F.; Resconi, S.; Rivoltella, G.; Rossi, L.; Sorbi, M.; Tartarelli, G. F.; Troncon, C.; Turra, R.; Vegni, G.; Volpini, G.] INFN Sez Milano, Milan, Italy. [Acerbi, E.; Andreazza, A.; Besana, M. I.; Carminati, L.; Consonni, S. M.; Dell'Asta, L.; Fanti, M.; Favareto, A.; Montesano, S.; Perini, L.; Pizio, C.; Ragusa, F.; Rivoltella, G.; Rossi, L.; Sorbi, M.; Turra, R.; Vegni, G.] Univ Milan, Dipartimento Fis, Milan, Italy. [Bogouch, A.; Harkusha, S.; Kulchitsky, Y.; Kurochkin, Y. A.; Satsounkevitch, I.; Tsiareshka, P. V.] Natl Acad Sci Belarus, BI Stepanov Phys Inst, Minsk, Byelarus. [Gilewsky, V.; Kuzhir, P.; Rumiantsev, V.; Starovoitov, P.; Taylor, F. E.; Yanush, S.] Natl Sci & Educ Ctr Particle & High Energy Phys, Minsk, Byelarus. [Taylor, F. E.] MIT, Dept Phys, Cambridge, MA 02139 USA. [Azuelos, G.; Banerjee, P.; Bouchami, J.; Davies, M.; Gutierrez, A.; Lebel, C.; Leroy, C.; Goia, J. A. Macana; Martin, J. P.; Mehdiyev, R.; Scallon, O.] Univ Montreal, Grp Particle Phys, Montreal, PQ, Canada. [Akimov, A. V.; Baranov, S. P.; Gavrilenko, I. L.; Komar, A. A.; Mashinistov, R.; Mouraviev, S. V.; Nechaeva, P. Yu.; Shmeleva, A.; Snesarev, A. A.; Sulin, V. V.; Tikhomirov, V. O.] Acad Sci, PN Lebedev Phys Inst, Moscow, Russia. [Artamonov, A.; Gorbounov, P. A.; Khovanskiy, V.; Shatalov, P. B.; Tsukerman, I. I.] Inst Theoret & Expt Phys, Moscow 117259, Russia. [Antonov, A.; Belotskiy, K.; Bondarenko, V. G.; Bulekov, O.; Dolgoshein, B. A.; Kantserov, V. A.; Khodinov, A.; Morozov, S. V.; Romaniouk, A.; Smirnov, S. Yu.; Soldatov, E.] Moscow Engn & Phys Inst MEPhI, Moscow, Russia. [Gladilin, L. K.; Grishkevich, Y. V.; Kramarenko, V. A.; Rud, V. I.; Sivoklokov, S. Yu.; Smirnova, L. N.] Moscow MV Lomonosov State Univ, Skobeltsyn Inst Nucl Phys, Moscow, Russia. [Adomeit, S.; Biebel, O.; Calfayan, P.; de Graat, J.; Duckeck, G.; Ebke, J.; Elmsheuser, J.; Engl, A.; Galea, C.; Genest, M. H.; Hertenberger, R.; Kennedy, J.; Kummer, C.; Legger, F.; Lichtnecker, M.; Mameghani, R.; Mueller, T. A.; Nunnemann, T.; Rauscher, F.; Reznicek, P.; Ruckert, B.; Sanders, M. P.; Schaile, D.; Schieck, J.; Serfon, C.; Staude, A.; Walker, R.; Will, J. Z.; Zhuang, X.] Univ Munich, Fak Phys, Munich, Germany. [Aderholz, M.; Barillari, T.; Beimforde, M.; Bethke, S.; Capriotti, D.; Cortiana, G.; Dannheim, D.; Dubbert, J.; Ehrich, T.; Flowerdew, M. J.; Giovannini, P.; Goettfert, T.; Groh, M.; Haefner, P.; Hauff, D.; Jantsch, A.; Kaiser, S.; Kiryunin, A. E.; Kluth, S.; Kortner, O.; Kortner, S.; Kotov, S.; Kroha, H.; Lutz, G.; Macchiolo, A.; Manz, A.; Menke, S.; Mohrdieck-Moeck, S.; Moser, H. G.; Nisius, R.; Oberlack, H.; Pospelov, G. E.; Potrap, I. N.; Rauter, E.; Richter, R.; Salihagic, D.; Sandstroem, R.; Schacht, P.; Seuster, R.; Stonjek, S.; von der Schmitt, H.; von Loeben, J.; Weigell, P.; Zhuravlov, V.] Werner Heisenberg Inst, Max Planck Inst Phys, Munich, Germany. [Shimojima, M.; Tanaka, Y.] Nagasaki Inst Appl Sci, Nagasaki, Japan. [Hasegawa, S.; Itoh, Y.; Morvaj, L.; Ohshima, T.; Okumura, Y.; Shichi, H.; Sugimoto, T.; Takahashi, Y.; Tomoto, M.; Wakabayashi, J.] Nagoya Univ, Grad Sch Sci, Nagoya, Aichi 4648601, Japan. [Aloisio, A.; Alviggi, M. G.; Canale, V.; Capasso, L.; Carlino, G.; Cevenini, F.; Chiefari, G.; Conventi, F.; de Asmundis, R.; Della Pietra, M.; della Volpe, D.; Doria, A.; Giordano, R.; Iengo, P.; Izzo, V.; Merola, L.; Musto, E.; Patricelli, S.; Rossi, E.; Sanchez, A.; Sekhniaidze, G.] INFN Sez Napoli, Naples, Italy. [Aloisio, A.; Alviggi, M. G.; Canale, V.; Capasso, L.; Cevenini, F.; Chiefari, G.; della Volpe, D.; Giordano, R.; Iengo, P.; Merola, L.; Musto, E.; Patricelli, S.; Rossi, E.; Sanchez, A.] Univ Naples Federico II, Dipartimento Sci Fis, Naples, Italy. [Gee, C. N. P.; Gorelov, I.; Hoeferkamp, M. R.; Metcalfe, J.; Seidel, S. C.; Toms, K.; Wang, R.] Univ New Mexico, Dept Phys & Astron, Albuquerque, NM 87131 USA. [Chelstowska, M. A.; Consonni, M.; De Groot, N.; Filthaut, F.; Klok, P. F.; Koetsveld, F.; Raas, M.; Salvucci, A.; Timmermans, C. J. W. P.] Radboud Univ Nijmegen Nikhef, Inst Math Astrophys & Particle Phys, Nijmegen, Netherlands. [Bentvelsen, S.; Bobbink, G. J.; Bos, K.; Boterenbrood, H.; Colijn, A. P.; Daum, C.; de Jong, P.; De Nooij, L.; Doxiadis, A. D.; Ferrari, P.; Garitaonandia, H.; Geerts, D. A. A.; Gosselink, M.; Hartjes, F.; Hessey, N. P.; Igonkina, O.; Kayl, M. S.; Klous, S.; Kluit, P.; Koffeman, E.; Koutsman, A.; Lee, H.; Linde, F.; Luijckx, G.; Massaro, G.; Mechnich, J.; Mussche, I.; Ottersbach, J. P.; Peters, O.; Reichold, A.; Rijpstra, M.; Ruckstuhl, N.; Snuverink, J.; Ta, D.; Tsiakiris, M.; Turlay, E.; van der Graaf, H.; van der Kraaij, E.; Van der Leeuw, R.; van der Poel, E.; Van Eijk, B.; van Kesteren, Z.; van Vulpen, I.; Verkerke, W.; Vermeulen, J. C.; Milosavljevic, M. Vranjes; Vreeswijk, M.] Nikhef Natl Inst Subat Phys, Amsterdam, Netherlands. [Bentvelsen, S.; Bobbink, G. J.; Bos, K.; Boterenbrood, H.; Colijn, A. P.; Daum, C.; de Jong, P.; De Nooij, L.; Doxiadis, A. D.; Ferrari, P.; Garitaonandia, H.; Geerts, D. A. A.; Gosselink, M.; Hartjes, F.; Hessey, N. P.; Igonkina, O.; Kayl, M. S.; Klous, S.; Kluit, P.; Koffeman, E.; Koutsman, A.; Lee, H.; Linde, F.; Luijckx, G.; Massaro, G.; Mechnich, J.; Mussche, I.; Ottersbach, J. P.; Peters, O.; Reichold, A.; Rijpstra, M.; Ruckstuhl, N.; Snuverink, J.; Ta, D.; Tsiakiris, M.; Turlay, E.; van der Graaf, H.; van der Kraaij, E.; Van der Leeuw, R.; van der Poel, E.; Van Eijk, B.; van Kesteren, Z.; van Vulpen, I.; Verkerke, W.; Vermeulen, J. C.; Milosavljevic, M. Vranjes; Vreeswijk, M.] Univ Amsterdam, Amsterdam, Netherlands. [Calkins, R.; Chakraborty, D.; de Lima, J. G. Rocha; Suhr, C.; Zutshi, V.] No Illinois Univ, Dept Phys, De Kalb, IL USA. [Beloborodova, O.; Bobrovnikov, V. B.; Bogdanchikov, A.; Kazanin, V. A.; Kolachev, G. M.; Korol, A.; Malyshev, V.; Maslennikov, A. L.; Maximov, D. A.; Orlov, I.; Peleganchuk, S. V.; Schamov, A. G.; Skovpen, K.; Soukharev, A.; Talyshev, A.; Tikhonov, Y. A.; Zaytsev, A.] Budker Inst Nucl Phys, Novosibirsk 630090, Russia. [Budick, B.; Casadei, D.; Cranmer, K.; van Huysduynen, L. Hooft; Konoplich, R.; Krasznahorkay, A.; Lewis, G. H.; Mincer, A. I.; Nemethy, P.; Neves, R. M.; Prokofiev, K.; Shibata, A.; Zhao, L.] NYU, Dept Phys, New York, NY 10003 USA. [Fernando, W.; Fisher, M. J.; Gan, K. K.; Kagan, H.; Kass, R. D.; Moss, J.; Rahimi, A. M.; Strang, M.] Ohio State Univ, Columbus, OH 43210 USA. [Nakano, I.] Okayama Univ, Fac Sci, Okayama 700, Japan. [Abbott, B.; Gutierrez, P.; Huang, G. S.; Jana, D. K.; Marzin, A.; Meera-Lebbai, R.; Saleem, M.; Severini, H.; Skubic, P.; Snow, J.; Strauss, M.] Univ Oklahoma, Homer L Dodge Dept Phys & Astron, Norman, OK 73019 USA. [Abi, B.; Khanov, A.; Rizatdinova, F.] Oklahoma State Univ, Dept Phys, Stillwater, OK 74078 USA. [Hamal, P.; Kocnar, A.; Nozka, L.] Palacky Univ, RCPTM, CR-77147 Olomouc, Czech Republic. [Brau, J. E.; Potter, C. T.; Ptacek, E.; Reinsch, A.; Robinson, M.; Searcy, J.; Shamim, M.; Sinev, N. B.; Strom, D. M.; Torrence, E.] Univ Oregon, Ctr High Energy Phys, Eugene, OR 97403 USA. [Abreu, H.; Andari, N.; Arnault, C.; Auge, E.; Barrillon, P.; Benoit, M.; Binet, S.; Blanchard, J. -B.; Bourdarios, C.; Breton, D.; Collard, C.; De La Taille, C.; De Regie, J. B. De Vivie; Diglio, S.; Duflot, L.; Escalier, M.; Fayard, L.; Fournier, D.; Grivaz, J. -F.; Heller, M.; Henrot-Versille, S.; Hrivnac, J.; Iconomidou-Fayard, L.; Idarraga, J.; Kado, M.; Lounis, A.; Makovec, N.; Matricon, P.; Niedercorn, F.; Poggioli, L.; Puzo, P.; Renaud, A.; Rousseau, D.; Ruan, X.; Rybkin, G.; Sauvan, J. B.; Schaarschmidt, J.; Schaffer, A. C.; Serin, L.; Simion, S.; Tanaka, R.; Veillet, J. J.; Vukotic, I.; Wicek, F.; Zerwas, D.; Zhang, Z.] Univ Paris 11, LAL, Orsay, France. [Abreu, H.; Andari, N.; Arnault, C.; Auge, E.; Barrillon, P.; Benoit, M.; Binet, S.; Blanchard, J. -B.; Bourdarios, C.; Breton, D.; Collard, C.; De La Taille, C.; De Regie, J. B. De Vivie; Diglio, S.; Duflot, L.; Escalier, M.; Fayard, L.; Fournier, D.; Grivaz, J. -F.; Heller, M.; Henrot-Versille, S.; Hrivnac, J.; Iconomidou-Fayard, L.; Idarraga, J.; Kado, M.; Lounis, A.; Makovec, N.; Matricon, P.; Niedercorn, F.; Poggioli, L.; Puzo, P.; Renaud, A.; Rousseau, D.; Ruan, X.; Rybkin, G.; Sauvan, J. B.; Schaarschmidt, J.; Schaffer, A. C.; Serin, L.; Simion, S.; Tanaka, R.; Veillet, J. J.; Vukotic, I.; Wicek, F.; Zerwas, D.; Zhang, Z.] CNRS IN2P3, Orsay, France. [Hanagaki, K.; Hirose, M.; Meguro, T.; Nomachi, M.; Sugaya, Y.] Osaka Univ, Grad Sch Sci, Osaka, Japan. [Bugge, L.; Buran, T.; Cameron, D.; Czyczula, Z.; Gjelsten, B. K.; Lund, E.; Ould-Saada, F.; Pajchel, K.; Pylypchenko, Y.; Read, A. L.; Rohne, O.; Samset, B. H.; Stapnes, S.; Strandlie, A.; Taga, A.] Univ Oslo, Dept Phys, Oslo, Norway. [Abdesselam, A.; Apolle, R.; Barr, A. J.; Beauchemin, P. H.; Boddy, C. R.; Buchanan, J.; Buckingham, R. M.; Buira-Clark, D.; Coe, P.; Coniavitis, E.; Cooper-Sarkar, A. M.; Davies, E.; Dehchar, M.; Doglioni, C.; Farrington, S. M.; Gallas, E. J.; Gilbert, L. M.; Gwenlan, C.; Hawes, B. M.; Holmes, A.; Horton, K.; Howell, D. F.; Huffman, T. B.; Issever, C.; Karagoz, M.; King, R. S. B.; Kirsch, G. P.; Kundu, N.; Larner, A.; Lavorato, A.; Lewis, A.; Liang, Z.; Livermore, S. S. A.; Loken, J.; Mattravers, C.; Mermod, P.; Nickerson, R. B.; Pinder, A.; Ryder, N. C.; Short, D.; Tseng, J. C-L.; Viehhauser, G. H. A.; Weidberg, A. R.; Whitehead, S. R.; Wooden, G.] Univ Oxford, Dept Phys, Oxford, England. [Bellomo, M.; Cambiaghi, M.; Conta, C.; Ferrari, R.; Franchino, S.; Fraternali, M.; Gaudio, G.; Livan, M.; Negri, A.; Polesello, G.; Rebuzzi, D. M.; Rimoldi, A.; Uslenghi, M.; Vercesi, V.] INFN Sez Pavia, Pavia, Italy. [Cambiaghi, M.; Conta, C.; Franchino, S.; Fraternali, M.; Livan, M.; Negri, A.; Rebuzzi, D. M.; Rimoldi, A.; Uslenghi, M.] Univ Pavia, Dipartimento Fis Nucl & Teor, I-27100 Pavia, Italy. [Alison, J.; Degenhardt, J.; Donega, M.; Dressnandt, N.; Fratina, S.; Hance, M.; Hines, E.; Hong, T. M.; Jackson, B.; Kroll, J.; Kunkle, J.; LeGeyt, B. C.; Lipeles, E.; Martin, F. F.; Olivito, D.; Ospanov, R.; Reece, R.; Stahlman, J.; Thomson, E.; Wagner, P.; Williams, H. H.] Univ Penn, Dept Phys, Philadelphia, PA 19104 USA. [Amorim, A.; Fedin, O. L.; Gratchev, V.; Grebenyuk, O. G.; Maleev, V. P.; Nesterov, S. Y.; Ryabov, Y. F.; Schegelsky, V. A.; Sedykh, E.; Seliverstov, D. M.; Zalite, Yo. K.] Petersburg Nucl Phys Inst, Gatchina, Russia. [Bertolucci, F.; Cascella, M.; Cavasinni, V.; Crescioli, F.; Del Prete, T.; Dotti, A.; Francavilla, P.; Giangiobbe, V.; Lupi, A.; Mazzoni, E.; Roda, C.; Sarri, F.; Zenonos, Z.] INFN Sez Pisa, Pisa, Italy. [Bertolucci, F.; Cascella, M.; Cavasinni, V.; Crescioli, F.; Del Prete, T.; Dotti, A.; Francavilla, P.; Giangiobbe, V.; Lupi, A.; Mazzoni, E.; Roda, C.; Sarri, F.; Zenonos, Z.] Univ Pisa, Dipartimento Fis E Fermi, Pisa, Italy. [Boudreau, J.; Boulahouache, C.; Cleland, W.; Kittelmann, T.; Mueller, J.; Paolone, V.; Prieur, D.; Savinov, V.; Wendler, S.; Yoosoofmiya, R.] Univ Pittsburgh, Dept Phys & Astron, Pittsburgh, PA 15260 USA. [Aguilar-Saavedra, J. A.; Anjos, N.; Carvalho, J.; Caso, C.; Castro, N. F.; Muino, P. Conde; Dawson, J. W.; Wemans, A. Do Valle; Fiolhais, M. C. N.; Gomes, A.; Hill, D.; Jorge, P. M.; Lopes, L.; Miguens, J. Machado; Martins, P. J. Magalhaes; Maio, A.; Maneira, J.; Morais, A.; Oliveira, M.; Onofre, A.; Palma, A.; Pina, J.; Pinto, B.; Santos, H.; Saraiva, J. G.; Silva, J.; Soares, M.; Veloso, F.; Virchaux, M.; Wang, H.; Wolters, H.; Zhang, D.] Lab Instrumentacao & Fis Expt Particulas LIP, Lisbon, Portugal. [Aguilar-Saavedra, J. A.] Univ Granada, Dept Fis Teor & Cosmos, Granada, Spain. [Aguilar-Saavedra, J. A.] Univ Granada, CAFPE, Granada, Spain. [Abdesselam, A.; Chudoba, J.; Gallus, P.; Gunther, J.; Hruska, I.; Juranek, V.; Kepka, O.; Kupco, A.; Kus, V.; Kvasnicka, O.; Lipinsky, L.; Lokajicek, M.; Marcisovsky, M.; Mikestikova, M.; Myska, M.; Nemecek, S.; Panuskova, M.; Ruzicka, P.; Schovancova, J.; Sicho, P.; Staroba, P.; Svatos, M.; Tasevsky, M.; Tic, T.; Valenta, J.; Vrba, V.] Acad Sci Czech Republic, Inst Phys, Prague, Czech Republic. [Davidek, T.; Dolejsi, J.; Dolezal, Z.; Drasal, Z.; Kodys, P.; Leitner, R.; Novakova, J.; Rybar, M.; Spousta, M.; Strachota, P.; Suk, M.; Sykora, T.; Tas, P.; Valkar, S.; Vorobel, V.; Wilhelm, I.] Charles Univ Prague, Fac Math & Phys, Prague, Czech Republic. [Augsten, K.; Holy, T.; Horazdovsky, T.; Hubacek, Z.; Jakubek, J.; Kohout, Z.; Kral, V.; Krejei, F.; Pospisil, S.; Simak, V.; Slavicek, T.; Smolek, K.; Sodomka, J.; Solar, M.; Solc, J.; Sopko, V.; Sopko, B.; Stekl, I.; Turecek, D.; Vacek, V.; Vlasak, M.; Vokac, P.] Czech Tech Univ, Prague, Czech Republic. [Ammosov, V. V.; Borisov, A.; Bozhko, N. I.; Denisov, S. P.; Fakhrutdinov, R. M.; Fenyuk, A. B.; Gapienko, V. A.; Golovnia, S. N.; Gorokhov, S. A.; Goryachev, V. N.; Gushchin, V. N.; Ivashin, A. V.; Kabachenko, V. V.; Karyukhin, A. N.; Kholodenko, A. G.; Kiver, A. M.; Kopikov, S. V.; Koreshev, V.; Korotkov, V. A.; Kozhin, A. S.; Larionov, A. V.; Levitski, M. S.; Minaenko, A. A.; Mitrofanov, G. Y.; Moisseev, A. M.; Myagkov, A. G.; Nikolaenko, V.; Pleskach, A. V.; Ryadovikov, V.; Solodkov, A. A.; Solovyanov, O. V.; Starchenko, E. A.; Sviridov, Yu. M.; Vorobiev, A. P.; Zaets, V. G.; Zaitsev, A. M.; Zenin, O.; Zmouchko, V. V.] Inst High Energy Phys, State Res Ctr, Protvino, Russia. [Adye, T.; Baines, J. T.; Barnett, B. M.; Botterill, D.; Burke, S.; Clifft, R. W.; Dewhurst, A.; Emeliyanov, D.; Fisher, S. M.; Gallop, B. J.; Gillman, A. R.; Greenfield, D.; Haywood, S. J.; Kirk, J.; McCubbin, N. A.; McMahon, S. J.; Middleton, R. P.; Murray, W. J.; Norton, P. R.; Phillips, P. W.; Sankey, D. P. C.; Scott, W. G.; Strube, J.; Tyndel, M.; Weber, M.; Wickens, F. J.; Wielers, M.] Rutherford Appleton Lab, Particle Phys Dept, Didcot OX11 0QX, Oxon, England. [Benslama, K.; Ju, X.; Ming, Y.; Smit, G. V. Ybeles] Univ Regina, Dept Phys, Regina, SK S4S 0A2, Canada. [Tanaka, S.] Ritsumeikan Univ, Kyoto, Shiga, Japan. [Anulli, F.; Artoni, G.; Bagnaia, P.; Bini, C.; Borroni, S.; Caloi, R.; Ciapetti, G.; D'Orazio, A.; De Pedis, D.; De Salvo, A.; Dionisi, C.; Falciano, S.; Gentile, S.; Giagu, S.; Giunta, M.; Lacava, F.; Lo Sterzo, F.; Luci, C.; Luminari, L.; Maiani, C.; Marzano, F.; Mastrandrea, P.; Mirabelli, G.; Nisati, A.; Pasqualucci, E.; Petrolo, E.; Pontecorvo, L.; Rescigno, M.; Rosati, S.; Tehrani, F. Safai; Sidoti, A.; Camillocci, E. Solfaroli; Spila, F.; Valente, P.; Vari, R.; Veneziano, S.; Zanello, L.] INFN Sez Roma 1, Rome, Italy. [Artoni, G.; Bagnaia, P.; Bini, C.; Borroni, S.; Caloi, R.; Ciapetti, G.; D'Orazio, A.; Dionisi, C.; Gentile, S.; Giagu, S.; Giunta, M.; Lacava, F.; Lo Sterzo, F.; Luci, C.; Maiani, C.; Mastrandrea, P.; Rosati, S.; Tehrani, F. Safai; Sidoti, A.; Camillocci, E. Solfaroli; Spila, F.; Zanello, L.] Univ Roma La Sapienza, Dipartimento Fis, I-00185 Rome, Italy. [Aielli, G.; Camarri, P.; Cardarelli, R.; Cattani, G.; Di Ciaccio, A.; Di Nardo, R.; Di Simone, A.; Liberti, B.; Marchese, F.; Salamon, A.; Santonico, R.] INFN Sez Roma Tor Vergata, Rome, Italy. [Aielli, G.; Camarri, P.; Cattani, G.; Di Ciaccio, A.; Di Nardo, R.; Di Simone, A.; Marchese, F.; Santonico, R.] Univ Roma Tor Vergata, Dipartimento Fis, Rome, Italy. [Bacci, C.; Baroncelli, A.; Biglietti, M.; Branchini, P.; Ceradini, F.; Di Luise, S.; Farilla, A.; Graziani, E.; Iodice, M.; Orestano, D.; Passeri, A.; Pastore, F.; Petrucci, F.; Ruggieri, F.; Spiriti, E.; Stanescu, C.] INFN Sez Roma Tre, Rome, Italy. [Bacci, C.; Biglietti, M.; Ceradini, F.; Di Luise, S.; Orestano, D.; Pastore, F.; Petrucci, F.; Ruggieri, F.] Univ Roma Tre, Dipartimento Fis, Rome, Italy. [Benchekroun, D.; Chafaq, A.; Gouighri, M.; Hoummada, A.; Lablak, S.] Univ Hassan 2, Reseau Univ Phys Hautes Energies, Fac Sci Ain Chock, Casablanca, Morocco. [Ghazlane, H.] Ctr Natl Energie Sci Tech Nucl, Rabat, Morocco. [El Kacimi, M.; Goujdami, D.] Univ Cadi Ayyad, Fac Sci, Semlalia Dept Phys, Marrakech 40000, Morocco. [Derkaoui, J. E.; Ouchrif, M.] Univ Mohamed Premier, Fac Sci, Oujda, Morocco. [Derkaoui, J. E.; Ouchrif, M.] LPTPM, Oujda, Morocco. [El Moursli, R. Cherkaoui] Univ Mohammed 5, Fac Sci, Rabat, Morocco. [Bachacou, H.; Bauer, F.; Besson, N.; Bolnet, N. M.; Boonekamp, M.; Chevalier, L.; Ernwein, J.; Etienvre, A. I.; Formica, A.; Gauthier, L.; Giraud, P. F.; Guyot, C.; Hassani, S.; Kozanecki, W.; Lancon, E.; Laporte, J. F.; Le Menedeu, E.; Legendre, M.; Mansoulie, B.; Meyer, J-P.; Morange, N.; Mountricha, E.; Hong, V. Nguyen Thi; Nicolaidou, R.; Ouraou, A.; Pomarede, D. M.; Resende, B.; Royon, C. R.; Schune, Ph.; Schwindling, J.; Simard, O.; Virchaux, M.; Xu, C.] CEA Saclay Commissariat Energie Atom, DSM IRFU Inst Rech Lois Fondament Univers, Gif Sur Yvette, France. [Bangert, A.; Chouridou, S.; Damiani, D. S.; Dubbs, T.; Fowler, K.; Grillo, A. A.; Hare, G. A.; Litke, A. M.; Lockman, W. S.; Manning, P. M.; Mitrevski, J.; Nielsen, J.; Sadrozinski, H. F-W.; Schumm, B. A.; Seiden, A.] Univ Calif Santa Cruz, Santa Cruz Inst Particle Phys, Santa Cruz, CA 95064 USA. [Forbush, D. A.; Goussiou, A. G.; Griffiths, J.; Harris, O. M.; Kuykendall, W.; Lubatti, H. J.; Mockett, P.; Policicchio, A.; Rothberg, J.; Ventura, D.; Verducci, M.; Wang, J. C.; Watts, G.; Zhao, T.] Univ Washington, Dept Phys, Seattle, WA 98195 USA. [Booth, C. N.; Costanzo, D.; Donszelmann, T. Cuhadar; Dawson, I.; Duxfield, R.; Hodgkinson, M. C.; Hodgson, P.; Johansson, P.; Korolkova, E. V.; Mayne, A.; Mcfayden, J. A.; Nicolas, L.; Owen, S.; Paganis, E.; Suruliz, K.; Tovey, D. R.; Tua, A.; Xu, D.] Univ Sheffield, Dept Phys & Astron, Sheffield, S Yorkshire, England. [Hasegawa, Y.; Ohshita, H.; Takeshita, T.] Shinshu Univ, Dept Phys, Nagano, Japan. [Buchholz, P.; Czirr, H.; Fleck, I.; Gaur, B.; Grybel, K.; Holder, M.; Ibragimov, I.; Rammes, M.; Sipica, V.; Stahl, T.; Walkowiak, W.; Ziolkowski, M.] Univ Siegen, Fachbereich Phys, D-5900 Siegen, Germany. [Dawe, E.; Godfrey, J.; Komaragiri, J. R.; O'Neil, D. C.; Petteni, M.; Schouten, D.; Stelzer, B.; Trottier-McDonald, M.; Vetterli, M. C.] Simon Fraser Univ, Dept Phys, Burnaby, BC V5A 1S6, Canada. [Aracena, I.; Barklow, T.; Bartoldus, R.; Bawa, H. S.; Butler, B.; Cogan, J. G.; Gao, Y. S.; Grenier, P.; Haas, A.; Hansson, P.; Horn, C.; Jackson, P.; Kenney, C. J.; Kim, P. C.; Kocian, M.; Koi, T.; Lowe, A. J.; Miller, D. W.; Mount, R.; Nelson, S.; Nelson, T. K.; Salnikov, A.; Schwartzman, A.; Silverstein, D.; Smith, D.; Strauss, E.; Su, D.; Wilson, M. 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[Asman, B.; Clement, C.; Gellerstedt, K.; Hellman, S.; Johansen, M.; Jon-And, K.; Lundberg, J.; Milstead, D. A.; Moa, T.; Nordkvist, B.; Ohm, C. C.; Ramstedt, M.; Sjoelin, J.; Strandberg, S.; Tylmad, M.; Yang, Z.] Oskar Klein Ctr, Stockholm, Sweden. [Lund-Jensen, B.; Strandberg, J.] Royal Inst Technol, Dept Phys, S-10044 Stockholm, Sweden. [Ahmad, A.; Caputo, R.; Deluca, C.; Devetak, E.; DeWilde, B.; Engelmann, R.; Farley, J.; Goodson, J. J.; Grassi, V.; Gray, J. A.; Hobbs, J.; Jia, J.; McCarthy, R. L.; Mohapatra, S.; Rijssenbeek, M.; Schamberger, R. D.; Stupak, J.; Tsybychev, D.; Yurkewicz, A.] SUNY Stony Brook, Dept Phys & Astron, Stony Brook, NY 11794 USA. [Bartsch, V.; De Santo, A.; Potter, C. J.; Salvatore, F.; Sutton, M. R.] Univ Sussex, Dept Phys & Astron, Brighton, E Sussex, England. [Lee, J. S. H.; Patel, N.; Saavedra, A. F.; Varvell, K. E.; Waugh, A. T.; Yabsley, B.] Univ Sydney, Sch Phys, Sydney, NSW 2006, Australia. [Chu, M. L.; Hou, S.; Lee, S. C.; Lin, S. C.; Liu, D.; Mazini, R.; Meng, Z.; Ren, Z. L.; Soh, D. A.; Teng, P. K.; Wang, J.; Wang, S. M.; Weng, Z.; Zhong, J.; Zhou, Y.] Acad Sinica, Inst Phys, Taipei, Taiwan. [Harpaz, S. Behar; Ben Ami, S.; Bressler, S.; Hershenhorn, A. D.; Kajomovitz, E.; Landsman, H.; Lifshitz, R.; Rozen, Y.; Tarem, S.; Vallecorsa, S.] Technion Israel Inst Technol, Dept Phys, IL-32000 Haifa, Israel. [Abramowicz, H.; Alexander, G.; Amram, N.; Bella, G.; Benary, O.; Benhammou, Y.; Brodet, E.; Etzion, E.; Gershon, A.; Ginzburg, J.; Guttman, N.; Hod, N.; Kreisel, A.; Mahalalel, Y.; Munwes, Y.; Oren, Y.; Reinherz-Aronis, E.; Sadeh, I.; Silver, Y.; Soffer, A.; Taiblum, N.; Urkovsky, E.] Tel Aviv Univ, Raymond & Beverly Sackler Sch Phys & Astron, IL-69978 Tel Aviv, Israel. [Iliadis, D.; Kordas, K.; Kouskoura, V.; Nomidis, I.; Petridis, A.; Petridou, C.; Sampsonidis, D.] Aristotle Univ Thessaloniki, Dept Phys, GR-54006 Thessaloniki, Greece. [Akimoto, G.; Asai, S.; Azuma, Y.; Dohmae, T.; Imori, M.; Kanaya, N.; Kataoka, Y.; Kawamoto, T.; Kessoku, K.; Kobayashi, T.; Komori, Y.; Mashimo, T.; Masubuchi, T.; Matsumoto, H.; Matsunaga, H.; Nakamura, K.; Ninomiya, Y.; Oda, S.; Okuyama, T.; Sakamoto, H.; Tanaka, J.; Terashi, K.; Ueda, I.; Yamamoto, S.; Yamamura, T.; Yamazaki, T.] Univ Tokyo, Int Ctr Elementary Particle Phys, Tokyo, Japan. [Abdesselam, A.; Akimoto, G.; Asai, S.; Azuma, Y.; Dohmae, T.; Imori, M.; Kanaya, N.; Kataoka, Y.; Kawamoto, T.; Kessoku, K.; Kobayashi, T.; Komori, Y.; Mashimo, T.; Masubuchi, T.; Matsumoto, H.; Matsunaga, H.; Nakamura, K.; Ninomiya, Y.; Oda, S.; Okuyama, T.; Sakamoto, H.; Tanaka, J.; Terashi, K.; Ueda, I.; Yamamoto, S.; Yamamura, T.; Yamazaki, T.] Univ Tokyo, Dept Phys, Tokyo 113, Japan. [Bratzler, U.; Fukunaga, C.] Tokyo Metropolitan Univ, Grad Sch Sci & Technol, Tokyo 158, Japan. [Jinnouchi, O.; Kanno, T.; Kuze, M.] Tokyo Inst Technol, Dept Phys, Tokyo 152, Japan. [Bailey, D. C.; Bain, T.; Beare, B.; Brelier, B.; Cheung, S. L.; Deviveiros, P. O.; Dhaliwal, S.; Farooque, T.; Fatholahzadeh, B.; Gibson, A.; Guo, B.; Jankowski, E.; Keung, J.; Krieger, P.; Le Maner, C.; Martens, F. K.; Orr, R. S.; Rezvani, R.; Rosenbaum, G. A.; Savard, P.; Sinervo, P.; Spreitzer, T.; Tardif, D.; Teuscher, R. J.; Thompson, P. D.; Trischuk, W.] Univ Toronto, Dept Phys, Toronto, ON, Canada. [Azuelos, G.; Canepa, A.; Caron, B.; Chekulaev, S. V.; Fortin, D.; Gingrich, D. M.; Losty, M. J.; Nugent, I. M.; Oakham, F. G.; Oram, C. J.; Savard, P.; Stelzer-Chilton, O.; Tafirout, R.; Trigger, I. M.; Vetterli, M. C.; Zhong, J.] TRIUMF, Vancouver, BC V6T 2A3, Canada. [Taylor, W.] York Univ, Dept Phys & Astron, Toronto, ON M3J 2R7, Canada. [Hara, K.; Kim, S. H.; Kurata, M.; Nagai, K.; Ukegawa, F.] Univ Tsukuba, Inst Pure & Appl Sci, Ibaraki, Japan. [Hamilton, S.; Napier, A.; Rolli, S.; Sliwa, K.; Todorova-Nova, S.] Tufts Univ, Ctr Sci & Technol, Medford, MA 02155 USA. [Losada, M.; Loureiro, K. F.; Navas, L. Mendoza; Navarro, G.; Rodriguez, D.] Univ Antonio Narino, Ctr Invest, Bogota, Colombia. [Avolio, G.; Benedict, B. H.; Bold, T.; Ciobotaru, M. D.; Deng, J.; Dobson, M.; Eschrich, I. Gough; Grabowska-Bold, I.; Hawkins, D.; Lankford, A. J.; Okawa, H.; Porter, R.; Scannicchio, D. A.; Schernau, M.; Taffard, A.; Toggerson, B.; Unel, G.; Werth, M.; Wheeler-Ellis, S. J.; Whiteson, D.; Zhou, N.] Univ Calif Irvine, Dept Phys & Astron, Irvine, CA USA. [Acharya, B. S.; Cauz, D.; Cobal, M.; De Lotto, B.; De Sanctis, U.; Del Papa, C.; Pinamonti, M.; Shaw, K.] INFN Grp Collegato Udine, Udine, Italy. [Acharya, B. S.] Abdus Salaam Int Ctr Theoret Phys, Trieste, Italy. [Cauz, D.; Cobal, M.; De Lotto, B.; De Sanctis, U.; Del Papa, C.; Pinamonti, M.; Shaw, K.] Univ Udine, Dipartimento Fis, I-33100 Udine, Italy. [Benekos, N.; Coggeshall, J.; Cortes-Gonzalez, A.; Errede, D.; Errede, S.; Khandanyan, H.; Lie, K.; Liss, T. M.; McCarn, A.; Neubauer, M. S.; Vichou, I.] Univ Illinois, Dept Phys, Urbana, IL 61801 USA. [Brenner, R.; Buszello, C. P.; Ekelof, T.; Ellert, M.; Ferrari, A.] Uppsala Univ, Dept Phys & Astron, Uppsala, Sweden. [Amoros, G.; Urban, S. Cabrera; Gimenez, V. Castillo; Costa, M. J.; Escobar, C.; Ferrer, A.; Fiorini, L.; Fuster, J.; Garcia, C.; de la Hoz, S. Gonzalez; Jimenez, Y. Hernandez; Higon-Rodriguez, E.; Quiles, A. Irles; Kaci, M.; Lacasta, C.; Lacuesta, V. R.; Marti-Garcia, S.; Minano, M.; Mitsou, V. A.; Moles-Valls, R.; Llacer, M. Moreno; Garcia, E. Oliver; Garcia-Estan, M. T. Perez; Ros, E.; Salt, J.; Solans, C. A.; Soldevila, U.; Sanchez, J.; Pastor, E. Torro; Gallego, E. Valladolid; Ferrer, J. A. Valls; Perez, M. Villaplana; Vos, M.; Wildauer, A.] Univ Valencia, Inst Fis Corpuscular IFIC, Valencia, Spain. [Amoros, G.; Urban, S. Cabrera; Gimenez, V. Castillo; Costa, M. J.; Escobar, C.; Ferrer, A.; Fiorini, L.; Fuster, J.; Garcia, C.; de la Hoz, S. Gonzalez; Jimenez, Y. Hernandez; Higon-Rodriguez, E.; Quiles, A. Irles; Kaci, M.; Lacasta, C.; Lacuesta, V. R.; Marti-Garcia, S.; Minano, M.; Mitsou, V. A.; Moles-Valls, R.; Llacer, M. Moreno; Garcia, E. Oliver; Garcia-Estan, M. T. Perez; Ros, E.; Salt, J.; Solans, C. A.; Soldevila, U.; Sanchez, J.; Pastor, E. Torro; Gallego, E. Valladolid; Ferrer, J. A. Valls; Perez, M. Villaplana; Vos, M.; Wildauer, A.] Univ Valencia, Dept Fis Atom Mol & Nucl, Valencia, Spain. [Amoros, G.; Urban, S. Cabrera; Gimenez, V. Castillo; Costa, M. J.; Escobar, C.; Ferrer, A.; Fiorini, L.; Fuster, J.; Garcia, C.; de la Hoz, S. Gonzalez; Jimenez, Y. Hernandez; Higon-Rodriguez, E.; Quiles, A. Irles; Kaci, M.; Lacasta, C.; Lacuesta, V. R.; Marti-Garcia, S.; Minano, M.; Mitsou, V. A.; Moles-Valls, R.; Llacer, M. Moreno; Garcia, E. Oliver; Garcia-Estan, M. T. Perez; Ros, E.; Salt, J.; Solans, C. A.; Soldevila, U.; Sanchez, J.; Pastor, E. Torro; Gallego, E. Valladolid; Ferrer, J. A. Valls; Perez, M. Villaplana; Vos, M.; Wildauer, A.] Univ Valencia, Dept Ingn Elect, Valencia, Spain. [Amoros, G.; Urban, S. Cabrera; Gimenez, V. Castillo; Costa, M. J.; Escobar, C.; Ferrer, A.; Fiorini, L.; Fuster, J.; Garcia, C.; de la Hoz, S. Gonzalez; Jimenez, Y. Hernandez; Higon-Rodriguez, E.; Quiles, A. Irles; Kaci, M.; Lacasta, C.; Lacuesta, V. R.; Marti-Garcia, S.; Minano, M.; Mitsou, V. A.; Moles-Valls, R.; Llacer, M. Moreno; Garcia, E. Oliver; Garcia-Estan, M. T. Perez; Ros, E.; Salt, J.; Solans, C. A.; Soldevila, U.; Sanchez, J.; Pastor, E. Torro; Gallego, E. Valladolid; Ferrer, J. A. Valls; Perez, M. Villaplana; Vos, M.; Wildauer, A.] Univ Valencia, Inst Microelect Barcelona IMB CNM, Valencia, Spain. [Amoros, G.; Urban, S. Cabrera; Gimenez, V. Castillo; Costa, M. J.; Escobar, C.; Ferrer, A.; Fiorini, L.; Fuster, J.; Garcia, C.; de la Hoz, S. Gonzalez; Jimenez, Y. Hernandez; Higon-Rodriguez, E.; Quiles, A. Irles; Kaci, M.; Lacasta, C.; Lacuesta, V. R.; Marti-Garcia, S.; Minano, M.; Mitsou, V. A.; Moles-Valls, R.; Llacer, M. Moreno; Garcia, E. Oliver; Garcia-Estan, M. T. Perez; Ros, E.; Salt, J.; Solans, C. A.; Soldevila, U.; Sanchez, J.; Pastor, E. Torro; Gallego, E. Valladolid; Ferrer, J. A. Valls; Perez, M. Villaplana; Vos, M.; Wildauer, A.] CSIC, Valencia, Spain. [Axen, D.; Gay, C.; Loh, C. W.; Mills, W. J.; Muir, A.; Swedish, S.; Viel, S.] Univ British Columbia, Dept Phys, Vancouver, BC, Canada. [Albert, J.; Astbury, A.; Bansal, V.; Berghaus, F.; Courneyea, L.; Fincke-Keeler, M.; Keeler, R.; Kowalewski, R.; Lefebvre, M.; Lessard, J-R.; McPherson, R. A.; Plamondon, M.; Sobie, R.] Univ Victoria, Dept Phys & Astron, Victoria, BC, Canada. [Kimura, N.; Yorita, K.] Waseda Univ, Tokyo, Japan. [Alon, R.; Barak, L.; Duchovni, E.; Frank, T.; Gabizon, O.; Gross, E.; Groth-Jensen, J.; Klier, A.; Lellouch, D.; Levinson, L. 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W.; Gorfine, G.; Grah, C.; Hamacher, K.; Harenberg, T.; Henss, T.; Hirschbuehl, D.; Imhaeuser, M.; Kalinin, S.; Kersten, S.; Khoroshilov, A.; Kootz, A.; Lenz, T.; Lenzen, G.; Maettig, P.; Mechtel, M.; Sandhoff, M.; Sandvoss, S.; Sartisohn, G.; Schultes, J.; Sturm, P.; Thadome, J.; Voss, T. T.; Wagner, W.; Wahlen, H.; Wicke, D.; Zeitnitz, C.] Berg Univ Wuppertal, Fachbereich Phys C, Wuppertal, Germany. [Adelman, J.; Atoian, G.; Auerbach, B.; Baker, O. K.; Bedikian, S.; Almenar, C. Cuenca; Demers, S.; Garberson, F.; Golling, T.; Guest, D.; Hsu, P. J.; Kaplan, B.; Lee, L.; Lockwitz, S.; Loginov, A.; Martin, A. J.; Sherman, D.; Thioye, M.; Tipton, P.; Wall, R.; Zeller, M.] Yale Univ, Dept Phys, New Haven, CT USA. [Grabski, V.; Hakobyan, H.] Yerevan Phys Inst, Yerevan 375036, Armenia. [Biscarat, C.; Cogneras, E.; Rahal, G.] Ctr Calcul CNRS IN2P3, Villeurbanne, France. [Amorim, A.; Gomes, A.; Palma, A.; Pina, J.; Pinto, B.; Saraiva, J. 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Gladilin, Leonid/B-5226-2011; Barreiro, Fernando/D-9808-2012; Kramarenko, Victor/E-1781-2012; Alexa, Calin/F-6345-2010; Moorhead, Gareth/B-6634-2009; Petrucci, Fabrizio/G-8348-2012; Kuleshov, Sergey/D-9940-2013; Anjos, Nuno/I-3918-2013; Kartvelishvili, Vakhtang/K-2312-2013; Dawson, Ian/K-6090-2013; Solfaroli Camillocci, Elena/J-1596-2012; Marti-Garcia, Salvador/F-3085-2011; Castro, Nuno/D-5260-2011; Wolters, Helmut/M-4154-2013; Warburton, Andreas/N-8028-2013; De, Kaushik/N-1953-2013; Sukharev, Andrey/A-6470-2014; O'Shea, Val/G-1279-2010; messina, andrea/C-2753-2013; Amorim, Antonio/C-8460-2013; Orlov, Ilya/E-6611-2012; Annovi, Alberto/G-6028-2012; Brooks, William/C-8636-2013; Pina, Joao /C-4391-2012; Vanyashin, Aleksandr/H-7796-2013; La Rosa, Alessandro/I-1856-2013; Casadei, Diego/I-1785-2013; Moraes, Arthur/F-6478-2010; Conde Muino, Patricia/F-7696-2011; Boyko, Igor/J-3659-2013; Lee, Jason/B-9701-2014; Morozov, Sergey/C-1396-2014; Villa, Mauro/C-9883-2009; Nozka, Libor/G-5550-2014; Nemecek, Stanislav/G-5931-2014; Lokajicek, Milos/G-7800-2014; Staroba, Pavel/G-8850-2014; Kupco, Alexander/G-9713-2014; Mikestikova, Marcela/H-1996-2014; Snesarev, Andrey/H-5090-2013; Svatos, Michal/G-8437-2014; Chudoba, Jiri/G-7737-2014; Peleganchuk, Sergey/J-6722-2014; Ferrer, Antonio/H-2942-2015; Hansen, John/B-9058-2015; Grancagnolo, Sergio/J-3957-2015; spagnolo, stefania/A-6359-2012; Shmeleva, Alevtina/M-6199-2015; Camarri, Paolo/M-7979-2015; Gavrilenko, Igor/M-8260-2015; Jones, Roger/H-5578-2011; Yang, Haijun/O-1055-2015; Chekulaev, Sergey/O-1145-2015; Gorelov, Igor/J-9010-2015; Carvalho, Joao/M-4060-2013; Santamarina Rios, Cibran/K-4686-2014; Bosman, Martine/J-9917-2014; Lei, Xiaowen/O-4348-2014; Demirkoz, Bilge/C-8179-2014; Villaplana Perez, Miguel/B-2717-2015; Livan, Michele/D-7531-2012; Mitsou, Vasiliki/D-1967-2009; Joergensen, Morten/E-6847-2015; Martins, Paulo/M-1844-2014; Riu, Imma/L-7385-2014; Mir, Lluisa-Maria/G-7212-2015; Cavalli-Sforza, Matteo/H-7102-2015; Mora Herrera, Maria Clemencia/L-3893-2016; Maneira, Jose/D-8486-2011; Prokoshin, Fedor/E-2795-2012; KHODINOV, ALEKSANDR/D-6269-2015; Morone, Maria Cristina/P-4407-2016; Goncalo, Ricardo/M-3153-2016; Idzik, Marek/A-2487-2017; Solodkov, Alexander/B-8623-2017; Zaitsev, Alexandre/B-8989-2017; Monzani, Simone/D-6328-2017; Booth, Christopher/B-5263-2016; Tikhomirov, Vladimir/M-6194-2015; Gonzalez de la Hoz, Santiago/E-2494-2016; Guo, Jun/O-5202-2015; Smirnova, Oxana/A-4401-2013; Aguilar Saavedra, Juan Antonio/F-1256-2016; Leyton, Michael/G-2214-2016; Vranjes Milosavljevic, Marija/F-9847-2016; SULIN, VLADIMIR/N-2793-2015; Olshevskiy, Alexander/I-1580-2016; Ventura, Andrea/A-9544-2015; BESSON, NATHALIE/L-6250-2015 OI Takai, Helio/0000-0001-9253-8307; Ferrando, James/0000-0002-1007-7816; Perrino, Roberto/0000-0002-5764-7337; Stoicea, Gabriel/0000-0002-7511-4614; Rotaru, Marina/0000-0003-3303-5683; Doyle, Anthony/0000-0001-6322-6195; valente, paolo/0000-0002-5413-0068; Wemans, Andre/0000-0002-9669-9500; Fabbri, Laura/0000-0002-4002-8353; Kuzhir, Polina/0000-0003-3689-0837; Delmastro, Marco/0000-0003-2992-3805; Veneziano, Stefano/0000-0002-2598-2659; Della Pietra, Massimo/0000-0003-4446-3368; Andreazza, Attilio/0000-0001-5161-5759; Cascella, Michele/0000-0003-2091-2501; Britton, David/0000-0001-9998-4342; Smirnov, Sergei/0000-0002-6778-073X; Gladilin, Leonid/0000-0001-9422-8636; Barreiro, Fernando/0000-0002-3021-0258; Moorhead, Gareth/0000-0002-9299-9549; Petrucci, Fabrizio/0000-0002-5278-2206; Kuleshov, Sergey/0000-0002-3065-326X; Solfaroli Camillocci, Elena/0000-0002-5347-7764; Castro, Nuno/0000-0001-8491-4376; Wolters, Helmut/0000-0002-9588-1773; Warburton, Andreas/0000-0002-2298-7315; De, Kaushik/0000-0002-5647-4489; O'Shea, Val/0000-0001-7183-1205; Orlov, Ilya/0000-0003-4073-0326; Annovi, Alberto/0000-0002-4649-4398; Brooks, William/0000-0001-6161-3570; Pina, Joao /0000-0001-8959-5044; Vanyashin, Aleksandr/0000-0002-0367-5666; La Rosa, Alessandro/0000-0001-6291-2142; Moraes, Arthur/0000-0002-5157-5686; Conde Muino, Patricia/0000-0002-9187-7478; Boyko, Igor/0000-0002-3355-4662; Lee, Jason/0000-0002-2153-1519; Morozov, Sergey/0000-0002-6748-7277; Villa, Mauro/0000-0002-9181-8048; Mikestikova, Marcela/0000-0003-1277-2596; Svatos, Michal/0000-0002-7199-3383; Peleganchuk, Sergey/0000-0003-0907-7592; Ferrer, Antonio/0000-0003-0532-711X; Hansen, John/0000-0002-8422-5543; Grancagnolo, Sergio/0000-0001-8490-8304; spagnolo, stefania/0000-0001-7482-6348; Camarri, Paolo/0000-0002-5732-5645; Jones, Roger/0000-0002-6427-3513; Gorelov, Igor/0000-0001-5570-0133; Carvalho, Joao/0000-0002-3015-7821; Santamarina Rios, Cibran/0000-0002-9810-1816; Bosman, Martine/0000-0002-7290-643X; Lei, Xiaowen/0000-0002-2564-8351; Villaplana Perez, Miguel/0000-0002-0048-4602; Livan, Michele/0000-0002-5877-0062; Mitsou, Vasiliki/0000-0002-1533-8886; Joergensen, Morten/0000-0002-6790-9361; Martins, Paulo/0000-0003-3753-3751; Riu, Imma/0000-0002-3742-4582; Mir, Lluisa-Maria/0000-0002-4276-715X; Mora Herrera, Maria Clemencia/0000-0003-3915-3170; Maneira, Jose/0000-0002-3222-2738; Prokoshin, Fedor/0000-0001-6389-5399; KHODINOV, ALEKSANDR/0000-0003-3551-5808; Morone, Maria Cristina/0000-0002-0200-0632; Goncalo, Ricardo/0000-0002-3826-3442; Solodkov, Alexander/0000-0002-2737-8674; Zaitsev, Alexandre/0000-0002-4961-8368; Monzani, Simone/0000-0002-0479-2207; Booth, Christopher/0000-0002-6051-2847; Tikhomirov, Vladimir/0000-0002-9634-0581; Gonzalez de la Hoz, Santiago/0000-0001-5304-5390; Guo, Jun/0000-0001-8125-9433; Smirnova, Oxana/0000-0003-2517-531X; Aguilar Saavedra, Juan Antonio/0000-0002-5475-8920; Leyton, Michael/0000-0002-0727-8107; Vranjes Milosavljevic, Marija/0000-0003-4477-9733; SULIN, VLADIMIR/0000-0003-3943-2495; Olshevskiy, Alexander/0000-0002-8902-1793; Ventura, Andrea/0000-0002-3368-3413; FU ANPCyT, Argentina; YerPhI, Armenia; ARC, Australia; BMWF, Austria; ANAS, Azerbaijan; SSTC, Belarus; CNPq; FAPESP, Brazil; NSERC; NRC; CFI, Canada; CERN; CONICYT, Chile; CAS; MOST; NSFC, China; COLCIENCIAS, Colombia; MSMT CR; MPO CR; VSC CR; Czech Republic; DNRF; DNSRC; Lundbeck Foundation, Denmark; ARTEMIS; European Union; IN2P3-CNRS; CEA-DSM/IRFU, France; GNAS, Georgia; BMBF; DFG; HGF; MPG; AvH Foundation, Germany; GSRT, Greece; ISF; MINERVA; GIF; DIP; Benoziyo Center, Israel; INFN, Italy; MEXT; JSPS, Japan; CNRST, Morocco; FOM; NWO, Netherlands; RCN, Norway; MNiSW, Poland; GRICES; FCT, Portugal; MERYS (MECTS), Romania; MES of Russia; ROSATOM, Russian Federation; JINR; MSTD, Serbia; MSSR, Slovakia; ARRS; MVZT, Slovenia; DST/NRF, South Africa; MICINN, Spain; SRC; Wallenberg Foundation, Sweden; SER; SNSF; Cantons of Bern and Geneva, Switzerland; NSC, Taiwan; TAEK, Turkey; STFC; Royal Society; Leverhulme Trust, United Kingdom; DOE; NSF, United States of America FX We thank CERN for the very successful operation of the LHC, as well as the support staff from our institutions without whom ATLAS could not be operated efficiently. We acknowledge the support of ANPCyT, Argentina; YerPhI, Armenia; ARC, Australia; BMWF, Austria; ANAS, Azerbaijan; SSTC, Belarus; CNPq and FAPESP, Brazil; NSERC, NRC and CFI, Canada; CERN; CONICYT, Chile; CAS, MOST and NSFC, China; COLCIENCIAS, Colombia; MSMT CR, MPO CR, and VSC CR, Czech Republic; DNRF, DNSRC, and Lundbeck Foundation, Denmark; ARTEMIS, European Union; IN2P3-CNRS, CEA-DSM/IRFU, France; GNAS, Georgia; BMBF, DFG, HGF, MPG, and AvH Foundation, Germany; GSRT, Greece; ISF, MINERVA, GIF, DIP, and Benoziyo Center, Israel; INFN, Italy; MEXT and JSPS, Japan; CNRST, Morocco; FOM and NWO, Netherlands; RCN, Norway; MNiSW, Poland; GRICES and FCT, Portugal; MERYS (MECTS), Romania; MES of Russia and ROSATOM, Russian Federation; JINR; MSTD, Serbia; MSSR, Slovakia; ARRS and MVZT, Slovenia; DST/NRF, South Africa; MICINN, Spain; SRC and Wallenberg Foundation, Sweden; SER, SNSF, and Cantons of Bern and Geneva, Switzerland; NSC, Taiwan; TAEK, Turkey; STFC, the Royal Society and Leverhulme Trust, United Kingdom; DOE and NSF, United States of America. The crucial computing support from all WLCG partners is acknowledged gratefully, in particular, from CERN and the ATLAS Tier-1 facilities at TRIUMF (Canada), NDGF (Denmark, Norway, Sweden), CCIN2P3 (France), KIT/GridKA (Germany), INFN-CNAF (Italy), NL-T1 (Netherlands), PIC (Spain), ASGC (Taiwan), RAL (UK) and BNL (USA) and in the Tier-2 facilities worldwide. NR 33 TC 9 Z9 9 U1 7 U2 66 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 2470-0010 EI 2470-0029 J9 PHYS REV D JI Phys. Rev. D PD DEC 14 PY 2011 VL 84 IS 11 AR 112006 DI 10.1103/PhysRevD.84.112006 PG 29 WC Astronomy & Astrophysics; Physics, Particles & Fields SC Astronomy & Astrophysics; Physics GA 862YX UT WOS:000298131100002 ER PT J AU Aamodt, K Quintana, AA Adamova, D Adare, AM Aggarwal, MM Rinella, GA Agocs, AG Salazar, SA Ahammed, Z Ahmad, N Masoodi, AA Ahn, SU Akindinov, A Aleksandrov, D Alessandro, B Molina, RA Alici, A Alkin, A Avina, EA Alt, T Altini, V Altinpinar, S Altsybeev, I Andrei, C Andronic, A Anguelov, V Anson, C Anticic, T Antinori, F Antonioli, P Aphecetche, L Appelshauser, H Arbor, N Arcelli, S Arend, A Armesto, N Arnaldi, R Aronsson, T Arsene, IC Asryan, A Augustinus, A Averbeck, R Awes, TC Aysto, J Azmi, MD Bach, M Badala, A Baek, YW Bagnasco, S Bailhache, R Bala, R Ferroli, RB Baldisseri, A Baldit, A Ban, J Barbera, R Barile, F Barnafoldi, GG Barnby, LS Barret, V Bartke, J Basile, M Bastid, N Bathen, B Batigne, G Batyunya, B Baumann, C Bearden, IG Beck, H Belikov, I Bellini, F Bellwied, R Belmont-Moreno, E Beole, S Berceanu, I Bercuci, A Berdermann, E Berdnikov, Y Betev, L Bhasin, A Bhati, AK Bianchi, L Bianchi, N Bianchin, C Bielcik, J Bielcikova, J Bilandzic, A Biolcati, E Blanc, A Blanco, F Blanco, F Blau, D Blume, C Boccioli, M Bock, N Bogdanov, A Boggild, H Bogolyubsky, M Boldizsar, L Bombara, M Bombonati, C Book, J Borel, H Bortolin, C Bose, S Bossu, F Botje, M Bottger, S Boyer, B Braun-Munzinger, P Bravina, L Bregant, M Breitner, T Broz, M Brun, R Bruna, E Bruno, GE Budnikov, D Buesching, H Busch, O Buthelezi, Z Caffarri, D Cai, X Caines, H Villar, EC Camerini, P Roman, VC Romeo, GC Carena, F Carena, W Carminati, F Diaz, AC Caselle, M Castellanos, JC Catanescu, V Cavicchioli, C Cerello, P Chang, B Chapeland, S Charvet, JL Chattopadhyay, S Chattopadhyay, S Cherney, M Cheshkov, C Cheynis, B Chiavassa, E Barroso, VC Chinellato, DD Chochula, P Chojnacki, M Christakoglou, P Christensen, CH Christiansen, P Chujo, T Cicalo, C Cifarelli, L Cindolo, F Cleymans, J Coccetti, F Coffin, JP Coli, S Balbastre, GC del Valle, ZC Constantin, P Contin, G Contreras, JG Cormier, TM Morales, YC Maldonado, IC Cortese, P Cosentino, MR Costa, F Cotallo, ME Crescio, E Crochet, P Cuautle, E Cunqueiro, L D'Erasmo, G Dainese, A Dalsgaard, HH Danu, A Das, D Das, I Dash, A Dash, S De, S Moregula, AD de Barros, GOV De Caro, A de Cataldo, G de Cuveland, J De Falco, A De Gruttola, D De Marco, N De Pasquale, S De Remigis, R de Rooij, R Delagrange, H Mercado, YD Dellacasa, G Deloff, A Demanov, V Denes, E Deppman, A Di Bari, D Di Giglio, C Di Liberto, S Di Mauro, A Di Nezza, P Dietel, T Divia, R Djuvsland, O Dobrin, A Dobrowolski, T Dominguez, I Donigus, B Dordic, O Driga, O Dubey, AK Ducroux, L Dupieux, P Majumdar, AKD Majumdar, MRD Elia, D Emschermann, D Engel, H Erdal, HA Espagnon, B Estienne, M Esumi, S Evans, D Evrard, S Eyyubova, G Fabris, D Faivre, J Falchieri, D Fantoni, A Fasel, M Fearick, R Fedunov, A Fehlker, D Fekete, V Felea, D Feofilov, G Tellez, AF Ferretti, A Ferretti, R Figueredo, MAS Filchagin, S Fini, R Finogeev, D Fionda, FM Fiore, EM Floris, M Foertsch, S Foka, P Fokin, S Fragiacomo, E Fragkiadakis, M Frankenfeld, U Fuchs, U Furano, F Furget, C Girard, MF Gaardhoje, JJ Gadrat, S Gagliardi, M Gago, A Gallio, M Ganoti, P Garabatos, C Gemme, R Gerhard, J Germain, M Geuna, C Gheata, A Gheata, M Ghidini, B Ghosh, P Girard, MR Giraudo, G Giubellino, P Gladysz-Dziadus, E Glassel, P Gomez, R Gonzalez-Trueba, LH Gonzalez-Zamora, P Santos, HG Gorbunov, S Gotovac, S Grabski, V Graczykowski, LK Grajcarek, R Grelli, A Grigoras, A Grigoras, C Grigoriev, V Grigoryan, A Grigoryan, S Grinyov, B Grion, N Gros, P Grosse-Oetringhaus, JF Grossiord, JY Grosso, R Guber, F Guernane, R Gutierrez, CG Guerzoni, B Gulbrandsen, K Gulkanyan, H Gunji, T Gupta, A Gupta, R Gutbrod, H Haaland, O Hadjidakis, C Haiduc, M Hamagaki, H Hamar, G Harris, JW Hartig, M Hasch, D Hasegan, D Hatzifotiadou, D Hayrapetyan, A Heide, M Heinz, M Helstrup, H Herghelegiu, A Hernandez, C Corral, GH Herrmann, N Hetland, KF Hicks, B Hille, PT Hippolyte, B Horaguchi, T Hori, Y Hristov, P Hrivnacova, I Huang, M Huber, S Humanic, TJ Hwang, DS Ichou, R Ilkaev, R Ilkiv, I Inaba, M Incani, E Innocenti, GM Innocenti, PG Ippolitov, M Irfan, M Ivan, C Ivanov, A Ivanov, M Ivanov, V Jacholkowski, A Jacobs, PM Jancurova, L Jangal, S Janik, MA Janik, R Jayarathna, SP Jena, S Jirden, L Jones, GT Jones, PG Jovanovic, P Jung, H Jung, W Jusko, A Kalcher, S Kalinak, P Kalisky, M Kalliokoski, T Kalweit, A Kamermans, R Kanaki, K Kang, E Kang, JH Kaplin, V Karavichev, O Karavicheva, T Karpechev, E Kazantsev, A Kebschull, U Keidel, R Khan, MM Khanzadeev, A Kharlov, Y Kileng, B Kim, DJ Kim, DS Kim, DW Kim, HN Kim, JH Kim, JS Kim, M Kim, M Kim, S Kim, SH Kirsch, S Kisel, I Kiselev, S Kisiel, A Klay, JL Klein, J Klein-Bosing, C Kliemant, M Klovning, A Kluge, A Knichel, ML Koch, K Kohler, MK Kolevatov, R Kolojvari, A Kondratiev, V Kondratyeva, N Konevskih, A Kornas, E Don, CKK Kour, R Kowalski, M Kox, S Meethaleveedu, GK Kozlov, K Kral, J Kralik, I Kramer, F Kraus, I Krawutschke, T Kretz, M Krivda, M Krumbhorn, D Krus, M Kryshen, E Krzewicki, M Kucheriaev, Y Kuhn, C Kuijer, PG Kurashvili, P Kurepin, A Kurepin, AB Kuryakin, A Kushpil, S Kushpil, V Kweon, MJ Kwon, Y La Rocca, P de Guevara, PL Lafage, V Lara, C Larsen, DT Lazzeroni, C Le Bornec, Y Lea, R Lee, KS Lee, SC Lefevre, F Lehnert, J Leistam, L Lenhardt, M Lenti, V Monzon, IL Vargas, HL Levai, P Li, X Lietava, R Lindal, S Lindenstruth, V Lippmann, C Lisa, MA Liu, L Loggins, VR Loginov, V Lohn, S Lohner, D Loizides, C Lopez, X Noriega, ML Torres, EL Lovhoiden, G Lu, XG Luettig, P Lunardon, M Luparello, G Luquin, L Luzzi, C Ma, K Ma, R Madagodahettige-Don, DM Maevskaya, A Mager, M Mahapatra, DP Maire, A Malaev, M Cervantes, IM Malinina, L Mal'Kevich, D Malzacher, P Mamonov, A Manceau, L Mangotra, L Manko, V Manso, F Manzari, V Mao, Y Mares, J Margagliotti, GV Margotti, A Marin, A Martashvili, I Martinengo, P Martinez, MI Davalos, AM Garcia, GM Martynov, Y Mas, A Masciocchi, S Masera, M Masoni, A Massacrier, L Mastromarco, M Mastroserio, A Matthews, ZL Matyja, A Mayani, D Mazza, G Mazzoni, MA Meddi, F Menchaca-Rocha, A Lorenzo, PM Perez, JM Mereu, P Miake, Y Midori, J Milano, L Milosevic, J Mischke, A Miskowiec, D Mitu, C Mlynarz, J Mohanty, B Molnar, L Zetina, LM Monteno, M Montes, E Morando, M De Godoy, DAM Moretto, S Morsch, A Muccifora, V Mudnic, E Muller, H Muhuri, S Munhoz, MG Munoz, J Musa, L Musso, A Nandi, BK Nania, R Nappi, E Nattrass, C Navach, F Navin, S Nayak, TK Nazarenko, S Nazarov, G Nedosekin, A Nendaz, F Newby, J Nicassio, M Nielsen, BS Nikolaev, S Nikolic, V Nikulin, S Nikulin, V Nilsen, BS Nilsson, MS Noferini, F Nooren, G Novitzky, N Nyanin, A Nyatha, A Nygaard, C Nystrand, J Obayashi, H Ochirov, A Oeschler, H Oh, SK Oleniacz, J Oppedisano, C Velasquez, AO Ortona, G Oskarsson, A Ostrowski, P Otterlund, I Otwinowski, J Ovrebekk, G Oyama, K Ozawa, K Pachmayer, Y Pachr, M Padilla, F Pagano, P Paic, G Painke, F Pajares, C Pal, S Pal, SK Palaha, A Palmeri, A Pappalardo, GS Park, WJ Paticchio, V Pavlinov, A Pawlak, T Peitzmann, T Peresunko, D Lara, CEP Perini, D Perrino, D Peryt, W Pesci, A Peskov, V Pestov, Y Peters, AJ Petracek, V Petris, M Petrov, P Petrovici, M Petta, C Piano, S Piccotti, A Pikna, M Pillot, P Pinazza, O Pinsky, L Pitz, N Piuz, F Piyarathna, DB Platt, R Ploskon, M Pluta, J Pocheptsov, T Pochybova, S Podesta-Lerma, PLM Poghosyan, MG Polak, K Polichtchouk, B Pop, A Pospisil, V Potukuchi, B Prasad, SK Preghenella, R Prino, F Pruneau, CA Pshenichnov, I Puddu, G Pulvirenti, A Punin, V Putis, M Putschke, J Quercigh, E Qvigstad, H Rachevski, A Rademakers, A Rademakers, O Radomski, S Raiha, TS Rak, J Rakotozafindrabe, A Ramello, L Reyes, AR Rammler, M Raniwala, R Raniwala, S Rasanen, SS Read, KF Real, JS Redlich, K Renfordt, R Reolon, AR Reshetin, A Rettig, F Revol, JP Reygers, K Ricaud, H Riccati, L Ricci, RA Richter, M 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CA ALICE Collaboration TI Femtoscopy of pp collisions at root s=0.9 and 7 TeV at the LHC with two-pion Bose-Einstein correlations SO PHYSICAL REVIEW D LA English DT Article ID HEAVY-ION COLLISIONS; PION INTERFEROMETRY; ENERGIES AB We report on the high statistics two-pion correlation functions from pp collisions at root s = 0.9 TeV and root s = 7 TeV, measured by the ALICE experiment at the Large Hadron Collider. The correlation functions as well as the extracted source radii scale with event multiplicity and pair momentum. When analyzed in the same multiplicity and pair transverse momentum range, the correlation is similar at the two collision energies. A three-dimensional femtoscopic analysis shows an increase of the emission zone with increasing event multiplicity as well as decreasing homogeneity lengths with increasing transverse momentum. The latter trend gets more pronounced as multiplicity increases. This suggests the development of space-momentum correlations, at least for collisions producing a high multiplicity of particles. We consider these trends in the context of previous femtoscopic studies in high-energy hadron and heavy-ion collisions and discuss possible underlying physics mechanisms. Detailed analysis of the correlation reveals an exponential shape in the outward and longitudinal directions, while the sideward remains a Gaussian. This is interpreted as a result of a significant contribution of strongly decaying resonances to the emission region shape. Significant nonfemtoscopic correlations are observed, and are argued to be the consequence of "mini-jet"-like structures extending to low p(t). They are well reproduced by the Monte-Carlo generators and seen also in pi(+)pi(-) correlations. C1 [Aamodt, K.; Djuvsland, O.; Fehlker, D.; Haaland, O.; Huang, M.; Kanaki, K.; Klovning, A.; Larsen, D. 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Aglieri; Alici, A.; Altini, V.; Augustinus, A.; Betev, L.; Biolcati, E.; Boccioli, M.; Bossu, F.; Brun, R.; Canoa Roman, V.; Carena, F.; Carena, W.; Carminati, F.; Caselle, M.; Cavicchioli, C.; Chapeland, S.; Chibante Barroso, V.; Chochula, P.; Costa, F.; Di Mauro, A.; Divia, R.; Evrard, S.; Ferretti, R.; Floris, M.; Fuchs, U.; Furano, F.; Gheata, A.; Gheata, M.; Giubellino, P.; Grigoras, A.; Grigoras, C.; Grosse-Oetringhaus, J. F.; Hayrapetyan, A.; Hristov, P.; Innocenti, P. G.; Jacholkowski, A.; Jirden, L.; Kirsch, S.; Kisiel, A.; Kluge, A.; Leistam, L.; Lippmann, C.; Lohn, S.; Luzzi, C.; Mager, M.; Martinengo, P.; Mastroserio, A.; Mendez Lorenzo, P.; Miskowiec, D.; Molnar, L.; Morsch, A.; Mueller, H.; Musa, L.; Ortona, G.; Pagano, P.; Perini, D.; Peskov, V.; Peters, A. J.; Pinazza, O.; Piuz, F.; Piyarathna, D. B.; Pulvirenti, A.; Quercigh, E.; Rademakers, A.; Rademakers, O.; Revol, J. -P.; Riedler, P.; Riegler, W.; Rosinsky, P.; Rossegger, S.; Rusanov, I.; Safarik, K.; Saiz, P.; Schreiner, S.; Schukraft, J.; Schutz, Y.; Shahoyan, R.; Sicking, E.; Simonetti, G.; Soos, C.; Stefanini, G.; Swoboda, D.; Tauro, A.; Tavlet, M.; Telesca, A.; Toia, A.; Toscano, L.; Vyvre, P. Vande; von Haller, B.; Zampolli, C.] European Org Nucl Res CERN, Geneva, Switzerland. [Agocs, A. G.; Barnafoeldi, G. G.; Boldizsar, L.; Denes, E.; Hamar, G.; Levai, P.; Pochybova, S.] Hungarian Acad Sci, KFKI Res Inst Particle & Nucl Phys, Budapest, Hungary. [Salazar, S. Aguilar; Alfaro Molina, R.; Almaraz Avina, E.; Belmont-Moreno, E.; Gonzalez-Trueba, L. H.; Grabski, V.; Martinez Davalos, A.; Menchaca-Rocha, A.; Sandoval, A.] Univ Nacl Autonoma Mexico, Inst Fis, Mexico City 01000, DF, Mexico. [Ahammed, Z.; Chattopadhyay, S.; De, S.; Dubey, A. K.; Majumdar, M. R. Dutta; Ghosh, P.; Mohanty, B.; Muhuri, S.; Nayak, T. K.; Pal, S. K.; Prasad, S. K.; Samanta, T.; Singaraju, R.; Sinha, B. C.; Viyogi, Y. P.] Ctr Variable Energy Cyclotron, Kolkata, India. [Ahmad, N.; Masoodi, A. Ahmad; Azmi, M. D.; Irfan, M.; Khan, M. M.] Aligarh Muslim Univ, Dept Phys, Aligarh 202002, Uttar Pradesh, India. [Ahn, S. U.; Baek, Y. W.; Jung, H.; Jung, W.; Kang, E.; Kim, D. S.; Kim, D. W.; Kim, H. N.; Kim, J. S.; Kim, M.; Kim, S. H.; Lee, K. S.; Lee, S. C.; Oh, S. K.; Seo, J.] Gangneung Wonju Natl Univ, Kangnung, South Korea. [Akindinov, A.; Kiselev, S.; Mal'Kevich, D.; Nedosekin, A.; Voloshin, K.] Inst Theoret & Expt Phys, Moscow 117259, Russia. [Aleksandrov, D.; Blau, D.; Fokin, S.; Ippolitov, M.; Kazantsev, A.; Kozlov, K.; Kucheriaev, Y.; Manko, V.; Nikolaev, S.; Nikulin, S.; Nyanin, A.; Peresunko, D.; Ryabinkin, E.; Sibiriak, Y.; Vasiliev, A.; Vinogradov, A.; Yasnopolskiy, S.; Yushmanov, I.] Russian Res Ctr Kurchatov Inst, Moscow, Russia. [Alessandro, B.; Arnaldi, R.; Bagnasco, S.; Bala, R.; Biolcati, E.; Bossu, F.; Cerello, P.; Chiavassa, E.; Coli, S.; Dash, S.; De Marco, N.; De Remigis, R.; Giraudo, G.; Mazza, G.; Mereu, P.; Monteno, M.; Musso, A.; Oppedisano, C.; Ortona, G.; Piccotti, A.; Prino, F.; Riccati, L.; Rivetti, A.; Scomparin, E.; Simonetti, G.; Tosello, F.] Sezione Ist Nazl Fis Nucl, Turin, Italy. [Alici, A.; Arcelli, S.; Basile, M.; Bellini, F.; Cifarelli, L.; Falchieri, D.; Guerzoni, B.; Scioli, G.; Silenzi, A.; Zichichi, A.] Univ Bologna, Dipartmento Fis, Bologna, Italy. [Alici, A.; Antonioli, P.; Arcelli, S.; Basile, M.; Bellini, F.; Cara Romeo, G.; Cifarelli, L.; Cindolo, F.; Falchieri, D.; Guerzoni, B.; Hatzifotiadou, D.; Margotti, A.; Nania, R.; Noferini, F.; Pesci, A.; Scapparone, E.; Scioli, G.; Silenzi, A.; Williams, M. C. S.; Zichichi, A.] Sezione Ist Nazl Fis Nucl, Bologna, Italy. [Alkin, A.; Grinyov, B.; Martynov, Y.; Zinovjev, G.; Zynovyev, M.] Bogolyubov Inst Theoret Phys, Kiev, Ukraine. [Alt, T.; Anguelov, V.; Bach, M.; de Cuveland, J.; Gerhard, J.; Gorbunov, S.; Kalcher, S.; Kirsch, S.; Kisel, I.; Kretz, M.; Lindenstruth, V.; Painke, F.; Pocheptsov, T.; Rettig, F.; Rohr, D.; Steinbeck, T.] Goethe Univ Frankfurt, Frankfurt Inst Adv Studies, Frankfurt, Germany. [Altini, V.; Barile, F.; Bruno, G. E.; D'Erasmo, G.; Di Bari, D.; Di Giglio, C.; Fionda, F. M.; Fiore, E. M.; Ghidini, B.; Navach, F.; Nicassio, M.; Perrino, D.; Simonetti, G.; Terrevoli, C.; Volpe, G.] Dipartimento Interateneo Fis M Merlin, Bari, Italy. [Altini, V.; Barile, F.; Bruno, G. E.; D'Erasmo, G.; de Cataldo, G.; Di Bari, D.; Di Giglio, C.; Elia, D.; Fini, R.; Fionda, F. M.; Fiore, E. M.; Ghidini, B.; Manzari, V.; Mastromarco, M.; Nappi, E.; Navach, F.; Nicassio, M.; Paticchio, V.; Perrino, D.; Santoro, R.; Simonetti, G.; Terrevoli, C.; Volpe, G.] Sezione Ist Nazl Fis Nucl, Bari, Italy. [Altinpinar, S.; Andronic, A.; Arsene, I. C.; Averbeck, R.; Berdermann, E.; Braun-Munzinger, P.; Doenigus, B.; Fasel, M.; Foka, P.; Frankenfeld, U.; Garabatos, C.; Gutbrod, H.; Hernandez, C.; Huber, S.; Ivan, C.; Ivanov, M.; Knichel, M. L.; Koehler, M. K.; Kraus, I.; Lippmann, C.; Malzacher, P.; Marin, A.; Masciocchi, S.; Miskowiec, D.; Otwinowski, J.; Park, W. J.; Romita, R.; Schmidt, C.; Schmidt, H. R.; Schwarz, K.; Thaeder, J.; Thomas, J. H.; Vranic, D.] GSI Helmholtzzentrum Schwerionenforsch, Div Res, Darmstadt, Germany. [Altinpinar, S.; Andronic, A.; Arsene, I. C.; Averbeck, R.; Berdermann, E.; Braun-Munzinger, P.; Doenigus, B.; Fasel, M.; Foka, P.; Frankenfeld, U.; Garabatos, C.; Gutbrod, H.; Hernandez, C.; Huber, S.; Ivan, C.; Ivanov, M.; Knichel, M. L.; Koehler, M. K.; Kraus, I.; Lippmann, C.; Malzacher, P.; Marin, A.; Masciocchi, S.; Miskowiec, D.; Otwinowski, J.; Park, W. J.; Romita, R.; Schmidt, C.; Schmidt, H. R.; Schwarz, K.; Thaeder, J.; Thomas, J. H.; Vranic, D.] GSI Helmholtzzentrum Schwerionenforsch, ExtreMe Matter Inst EMMI, Darmstadt, Germany. [Altsybeev, I.; Asryan, A.; Feofilov, G.; Ivanov, A.; Kolojvari, A.; Kondratiev, V.; Ochirov, A.; Vechernin, V.; Vinogradov, L.; Zarochentsev, A.] St Petersburg State Univ, V Fock Inst Phys, St Petersburg, Russia. [Andrei, C.; Berceanu, I.; Bercuci, A.; Catanescu, V.; Herghelegiu, A.; Petris, M.; Petrovici, M.; Pop, A.; Schiaua, C.] Natl Inst Phys & Nucl Engn, Bucharest, Romania. [Anguelov, V.; Boettger, S.; Breitner, T.; Engel, H.; Kebschull, U.; Kisel, I.; Lara, C.; Lindenstruth, V.; Steinbeck, T.; Zelnicek, P.] Heidelberg Univ, Kirchhoff Inst Phys, Heidelberg, Germany. [Anson, C.; Bock, N.; Humanic, T. J.; Lisa, M. A.; Truesdale, D.] Ohio State Univ, Dept Phys, Columbus, OH 43210 USA. [Anticic, T.; Nikolic, V.; Susa, T.] Rudjer Boskovic Inst, Zagreb, Croatia. [Antinori, F.; Bianchin, C.; Bombonati, C.; Bortolin, C.; Caffarri, D.; Lunardon, M.; Morando, M.; Moretto, S.; Rossi, A.; Sahoo, R.; Scarlassara, F.; Segato, G.; Soramel, F.; Viesti, G.] Univ Padua, Dipartimento Fis, Padua, Italy. [Antinori, F.; Bianchin, C.; Bombonati, C.; Bortolin, C.; Caffarri, D.; Dainese, A.; Fabris, D.; Grosso, R.; Lunardon, M.; Morando, M.; Moretto, S.; Rossi, A.; Sahoo, R.; Scarlassara, F.; Segato, G.; Soramel, F.; Turrisi, R.; Viesti, G.] Sezione Ist Nazl Fis Nucl, Padua, Italy. [Aphecetche, L.; Batigne, G.; Bregant, M.; del Valle, Z. Conesa; Delagrange, H.; Driga, O.; Estienne, M.; Germain, M.; Ichou, R.; Lefevre, F.; Lenhardt, M.; Luquin, L.; Garcia, G. Martinez; Mas, A.; Matyja, A.; Pillot, P.; Roy, C.; Schutz, Y.; Stocco, D.] Univ Nantes, SUBATECH, Ecole Mines Nantes, CNRS IN2P3, Nantes, France. [Appelshaeuser, H.; Arend, A.; Bailhache, R.; Baumann, C.; Beck, H.; Blume, C.; Book, J.; Buesching, H.; Hartig, M.; Kliemant, M.; Kramer, F.; Lehnert, J.; Vargas, H. Leon; Luettig, P.; Pitz, N.; Renfordt, R.; Schuchmann, S.; Stock, R.; Ulery, J.] Goethe Univ Frankfurt, Inst Kernphys, D-6000 Frankfurt, Germany. [Arbor, N.; Faivre, J.; Furget, C.; Gadrat, S.; Guernane, R.; Kox, S.; Real, J. S.] USAUniv Joseph Fourier, CNRS IN2P3, Inst Polytech Grenoble, LPSC, Grenoble, France. [Armesto, N.; Pajares, C.; Salgado, C. A.] Univ Santiago de Compostela, Dept Fis Particulas, Santiago De Compostela, Spain. [Armesto, N.; Pajares, C.; Salgado, C. A.] Univ Santiago de Compostela, IGFAE, Santiago De Compostela, Spain. [Awes, T. C.; Ganoti, P.; Silvermyr, D.] Oak Ridge Natl Lab, Oak Ridge, TN USA. [Aysto, J.; Chang, B.; Kalliokoski, T.; Kim, D. J.; Kral, J.; Novitzky, N.; Raiha, T. S.; Rak, J.; Rasanen, S. S.; Sarkamo, J.; Trzaska, W. H.] HIP, Jyvaskyla, Finland. [Aysto, J.; Chang, B.; Kalliokoski, T.; Kim, D. J.; Kral, J.; Novitzky, N.; Raiha, T. S.; Rak, J.; Rasanen, S. S.; Sarkamo, J.; Trzaska, W. H.] Univ Jyvaskyla, SF-40351 Jyvaskyla, Finland. [Badala, A.; Palmeri, A.; Pappalardo, G. S.] Sezione Ist Nazl Fis Nucl, Catania, Italy. [Bala, R.; Beole, S.; Bianchi, L.; Biolcati, E.; Bossu, F.; Morales, Y. Corrales; Ferretti, A.; Gagliardi, M.; Gallio, M.; Giubellino, P.; Innocenti, G. M.; Luparello, G.; Masera, M.; Milano, L.; Ortona, G.; Padilla, F.; Poghosyan, M. G.; Siciliano, M.; Vasquez, M. A. Subieta; Vercellin, E.] Univ Turin, Dipartimento Fis, Turin, Italy. [Bala, R.; Beole, S.; Bianchi, L.; Morales, Y. Corrales; Ferretti, A.; Gagliardi, M.; Gallio, M.; Giubellino, P.; Innocenti, G. M.; Luparello, G.; Masera, M.; Milano, L.; Padilla, F.; Poghosyan, M. G.; Siciliano, M.; Vasquez, M. A. Subieta; Vercellin, E.] Sezione Ist Nazl Fis Nucl, Turin, Italy. [Alici, A.; Ferroli, R. Baldini; Coccetti, F.; Peskov, V.; Preghenella, R.; Zichichi, A.] Ctr Fermi, Rome, Italy. [Alici, A.; Ferroli, R. Baldini; Coccetti, F.; Peskov, V.; Preghenella, R.; Zichichi, A.] Ctr Studi & Ric, Rome, Italy. [Alici, A.; Ferroli, R. Baldini; Coccetti, F.; Peskov, V.; Preghenella, R.; Zichichi, A.] Museo Stor Fis Enrico Fermi, Rome, Italy. [Baldisseri, A.; Borel, H.; Castellanos, J. Castillo; Charvet, J. L.; Geuna, C.; Pal, S.; Rakotozafindrabe, A.; Yang, H.] IRFU, Commissariat Energie Atom, Saclay, France. [Ahn, S. U.; Baek, Y. W.; Baldit, A.; Barret, V.; Bastid, N.; Blanc, A.; Crochet, P.; Dupieux, P.; Lopez, X.; Manceau, L.; Manso, F.; Rosnet, P.; Saturnini, P.; Vulpescu, B.; Zhang, X.] Univ Clermont Ferrand, Clermont Univ, CNRS IN2P3, LPC, Clermont Ferrand, France. [Ban, J.; Kalinak, P.; Kralik, I.; Sandor, L.] Slovak Acad Sci, Inst Expt Phys, Kosice 04353, Slovakia. [Barbera, R.; La Rocca, P.; Petta, C.; Pulvirenti, A.; Riggi, F.] Univ Catania, Dipartimento Fis & Astron, Catania, Italy. [Barbera, R.; La Rocca, P.; Petta, C.; Pulvirenti, A.; Riggi, F.] Sezione Ist Nazl Fis Nucl, Catania, Italy. [Barnby, L. S.; Evans, D.; Jones, G. T.; Jones, P. G.; Jovanovic, P.; Jusko, A.; Kour, R.; Krivda, M.; Lazzeroni, C.; Lietava, R.; Matthews, Z. L.; Navin, S.; Palaha, A.; Petrov, P.; Platt, R.; Scott, P. A.; Baillie, O. Villalobos] Univ Birmingham, Sch Phys & Astron, Birmingham, W Midlands, England. [Bartke, J.; Gladysz-Dziadus, E.; Kornas, E.; Kowalski, M.; Matyja, A.; Rybicki, A.] Polish Acad Sci, Henryk Niewodniczanski Inst Nucl Phys, Krakow, Poland. [Bathen, B.; Dietel, T.; Emschermann, D.; Heide, M.; Kalisky, M.; Klein-Boesing, C.; Rammler, M.; Santo, R.; Wessels, J. P.; Westerhoff, U.; Wilde, M.; Wilk, A.] Univ Munster, Inst Kernphys, D-4400 Munster, Germany. [Batyunya, B.; Fedunov, A.; Grigoryan, S.; Jancurova, L.; Malinina, L.; Pocheptsov, T.; Shabratova, G.; Vala, M.; Vodopyanov, A.; Zaporozhets, S.] Joint Inst Nucl Res, Dubna, Russia. [Bearden, I. G.; Boggild, H.; Christensen, C. H.; Dalsgaard, H. H.; Gaardhoje, J. J.; Gulbrandsen, K.; Nielsen, B. S.; Nygaard, C.; Sogaard, C.] Univ Copenhagen, Niels Bohr Inst, DK-2100 Copenhagen, Denmark. [Belikov, I.; Coffin, J. -P.; del Valle, Z. Conesa; Hippolyte, B.; Jangal, S.; Kuhn, C.; Maire, A.; Roy, C.; Wan, R.] Univ Strasbourg, CNRS IN2P3, IPHC, Strasbourg, France. [Bellwied, R.; Cormier, T. M.; Dobrin, A.; Jayarathna, S. P.; Don, C. Kottachchi Kankanamge; Loggins, V. R.; Mlynarz, J.; Pavlinov, A.; Piyarathna, D. B.; Prasad, S. K.; Pruneau, C. A.; Timmins, A. R.; Voloshin, S.] Wayne State Univ, Detroit, MI USA. [Berdnikov, Y.; Ivanov, V.; Khanzadeev, A.; Kryshen, E.; Malaev, M.; Nikulin, V.; Samsonov, V.; Zhalov, M.] Petersburg Nucl Phys Inst, Gatchina, Russia. [Bhasin, A.; Gupta, A.; Gupta, R.; Mangotra, L.; Potukuchi, B.; Sambyal, S.; Sharma, S.; Singh, R.] Univ Jammu, Dept Phys, Jammu 180004, India. [Bianchi, N.; Diaz, A. Casanova; Balbastre, G. Conesa; Cunqueiro, L.; Moregula, A. De Azevedo; Di Nezza, P.; Fantoni, A.; Hasch, D.; Muccifora, V.; Reolon, A. R.; Ronchetti, F.] Ist Nazl Fis Nucl, Lab Nazl Frascati, I-00044 Frascati, Italy. [Bielcik, J.; Krus, M.; Pachr, M.; Petracek, V.; Pospisil, V.; Smakal, R.; Tlusty, D.; Wagner, V.] Czech Tech Univ, Fac Nucl Sci & Phys Engn, Prague, Czech Republic. [Bilandzic, A.; Botje, M.; Krzewicki, M.; Kuijer, P. G.; Lara, C. E. Perez; Snellings, R.; Van der Kolk, N.] Natl Inst Subatom Phys, Amsterdam, Netherlands. [Blanco, F.; Cotallo, M. E.; Gonzalez-Zamora, P.; Ladron de Guevara, P.; Montes, E.; Rubio Montero, A. J.; Serradilla, E.] Ctr Invest Energet Medioambientales & Tecnol CIE, Madrid, Spain. [Bellwied, R.; Blanco, F.; Jayarathna, S. P.; Madagodahettige-Don, D. M.; Pinsky, L.; Piyarathna, D. B.; Timmins, A. R.] Univ Houston, Houston, TX USA. [Bogdanov, A.; Grigoriev, V.; Kaplin, V.; Kondratyeva, N.; Loginov, V.] Moscow Engn Phys Inst, Moscow 115409, Russia. [Bogolyubsky, M.; Kharlov, Y.; Polichtchouk, B.; Sadovsky, S.; Soloviev, A.; Stolpovskiy, M.; Zenin, A.] Inst High Energy Phys, Protvino, Russia. [Bombara, M.; Putis, M.; Urban, J.; Vrlakova, J.] Safarik Univ, Fac Sci, Kosice, Slovakia. [Bose, S.; Chattopadhyay, S.; Das, D.; Das, I.; Majumdar, A. K. Dutta; Roy, P.; Sinha, T.] Saha Inst Nucl Phys, Kolkata, India. [Boyer, B.; Espagnon, B.; Hadjidakis, C.; Hrivnacova, I.; Lafage, V.; Le Bornec, Y.; Noriega, M. Lopez; Rousseau, S.; Suire, C.; Takaki, J. D. Tapia; Palomo, L. Valencia] Univ Paris 11, CNRS, IN2P3, IPNO, F-91405 Orsay, France. [Bravina, L.; Dordic, O.; Eyyubova, G.; Kolevatov, R.; Lindal, S.; Lovhoiden, G.; Milosevic, J.; Nilsson, M. S.; Pocheptsov, T.; Qvigstad, H.; Richter, M.; Skaali, T. B.; Tveter, T. S.; Wikne, J.; Zabrodin, E.] Univ Oslo, Dept Phys, Oslo, Norway. [Bregant, M.; Camerini, P.; Contin, G.; Lea, R.; Margagliotti, G. V.; Rui, R.; Venaruzzo, M.] Univ Trieste, Dipartmento Fis, I-34127 Trieste, Italy. [Bregant, M.; Camerini, P.; Contin, G.; Fragiacomo, E.; Grion, N.; Lea, R.; Margagliotti, G. V.; Piano, S.; Rachevski, A.; Rui, R.; Vacchi, A.; Venaruzzo, M.] Sezione Ist Nazl Fis Nucl, Trieste, Italy. [Broz, M.; Fekete, V.; Janik, R.; Pikna, M.; Sitar, B.; Strmen, P.; Szarka, I.] Comenius Univ, Fac Math Phys & Informat, Bratislava, Slovakia. [Budnikov, D.; Demanov, V.; Filchagin, S.; Ilkaev, R.; Kuryakin, A.; Mamonov, A.; Nazarenko, S.; Nazarov, G.; Punin, V.; Tumkin, A.; Vikhlyantsev, O.; Vinogradov, Y.] Russian Fed Nucl Ctr VNIIEF, Sarov, Russia. [Anguelov, V.; Busch, O.; Constantin, P.; Glaessel, P.; Grajcarek, R.; Herrmann, N.; Klein, J.; Koch, K.; Krawutschke, T.; Krumbhorn, D.; Kweon, M. J.; Lohner, D.; Lu, X. -G.; Mercado Perez, J.; Oyama, K.; Pachmayer, Y.; Pocheptsov, T.; Radomski, S.; Reygers, K.; Schicker, R.; Schweda, K.; Stachel, J.; Vallero, S.; Wang, Y.; Wiechula, J.; Windelband, B.] Heidelberg Univ, Inst Phys, D-6900 Heidelberg, Germany. [Buthelezi, Z.; Cleymans, J.; Fearick, R.; Foertsch, S.; Steyn, G.; Vilakazi, Z.] Univ Cape Town, Dept Phys, iThemba LABS, ZA-7925 Cape Town, South Africa. [Cai, X.; Ma, K.; Mao, Y.; Wan, R.; Wang, D.; Wang, Y.; Yin, Z.; Yuan, X.; Zhang, X.; Zhou, D.; Zhu, X.] Hua Zhong Normal Univ, Wuhan, Peoples R China. [Calvo Villar, E.; Delgado Mercado, Y.; Gago, A.; Guerra Gutierrez, C.] Pontificia Univ Catolica Peru, Secc Fis, Dept Ciencias, Lima, Peru. [Cherney, M.; Nilsen, B. S.; Turvey, A. J.] Creighton Univ, Dept Phys, Omaha, NE 68178 USA. [Cheshkov, C.; Cheynis, B.; Ducroux, L.; Grossiord, J. -Y.; Massacrier, L.; Nendaz, F.; Zoccarato, Y.] Univ Lyon 1, CNRS, IN2P3, IPN Lyon, F-69622 Villeurbanne, France. [Chinellato, D. D.; Cosentino, M. R.; Takahashi, J.] Univ Estadual Campinas UNICAMP, Campinas, Brazil. [Chojnacki, M.; Christakoglou, P.; de Rooij, R.; Grelli, A.; Kamermans, R.; Mischke, A.; Nooren, G.; Peitzmann, T.; Snellings, R.; Thomas, D.; van Leeuwen, M.; Verweij, M.] Univ Utrecht, Natl Inst Subat Phys, Utrecht, Netherlands. [Chojnacki, M.; Christakoglou, P.; de Rooij, R.; Grelli, A.; Kamermans, R.; Mischke, A.; Nooren, G.; Peitzmann, T.; Snellings, R.; Thomas, D.; van Leeuwen, M.; Verweij, M.] Univ Utrecht, Inst Subat Phys, Utrecht, Netherlands. [Christiansen, P.; Dobrin, A.; Gros, P.; Oskarsson, A.; Otterlund, I.; Stenlund, E.] Lund Univ, Div Expt High Energy Phys, Lund, Sweden. [Chujo, T.; Esumi, S.; Horaguchi, T.; Inaba, M.; Miake, Y.; Sakata, D.; Sano, M.; Shimomura, M.; Watanabe, K.; Yokoyama, H.] Univ Tsukuba, Tsukuba, Ibaraki, Japan. [Cicalo, C.; Masoni, A.] Sezione Ist Nazl Fis Nucl, Cagliari, Italy. [Canoa Roman, V.; Contreras, J. G.; Crescio, E.; Herrera Corral, G.; Montano Zetina, L.; Ramirez Reyes, A.] Ctr Invest & Estudios Avanzados CINVESTAV, Mexico City, DF, Mexico. [Contreras, J. G.; Crescio, E.; Herrera Corral, G.; Montano Zetina, L.; Ramirez Reyes, A.] Ctr Invest & Estudios Avanzados CINVESTAV, Merida, Mexico. [Canoa Roman, V.; Maldonado, I. Cortes; Tellez, A. Fernandez; Santos, H. Gonzalez; Martinez, M. I.; Munoz, J.; Cahuantzi, M. Rodriguez; Munoz, G. Tejeda; Vargas, A.; Vergara, S.] Benemerita Univ Autonoma Puebla, Puebla, Mexico. [Cortese, P.; Dellacasa, G.; Ferretti, R.; Gemme, R.; Ramello, L.; Senyukov, S.; Sitta, M.] Avanzate Univ Piemonte Orientale, Dipartimento Sci & Tecnol, Alessandria, Italy. [Cortese, P.; Dellacasa, G.; Ferretti, R.; Gemme, R.; Ramello, L.; Senyukov, S.; Sitta, M.] Grp Collegato INFN, Alessandria, Italy. [Cuautle, E.; Dominguez, I.; Ladron de Guevara, P.; Cervantes, I. Maldonado; Mayani, D.; Velasquez, A. Ortiz; Paic, G.; Peskov, V.] Univ Nacl Autonoma Mexico, Inst Ciencias Nucl, Mexico City 04510, DF, Mexico. [Dainese, A.; Ricci, R. A.; Vannucci, L.] Ist Nazl Fis Nucl, Lab Nazl Legnaro, I-35020 Legnaro, Italy. [Danu, A.; Felea, D.; Haiduc, M.; Hasegan, D.; Mitu, C.; Sevcenco, A.; Stan, I.; Zgura, I.] ISS, Bucharest, Romania. [Dash, A.; Mahapatra, D. P.; Sahu, P. K.] Inst Phys, Bhubaneswar 751007, Orissa, India. [de Barros, G. O. V.; Deppman, A.; Figueredo, M. A. S.; De Godoy, D. A. Moreira; Munhoz, M. G.; Suaide, A. A. P.; Szanto de Toledo, A.] Univ Sao Paulo, Sao Paulo, Brazil. [De Caro, A.; De Gruttola, D.; De Pasquale, S.; Girard, M. Fusco; Pagano, P.; Virgili, T.] Univ Salerno, Dipartimento Fis ER Caianiello, I-84100 Salerno, Italy. [De Caro, A.; De Gruttola, D.; De Pasquale, S.; Girard, M. Fusco; Pagano, P.; Virgili, T.] Grp Collegato INFN, Salerno, Italy. [De Falco, A.; Incani, E.; Puddu, G.; Serci, S.; Uras, A.; Usai, G. L.] Univ Cagliari, Dipartimento Fis, Cagliari, Italy. [De Falco, A.; Incani, E.; Puddu, G.; Serci, S.; Uras, A.; Usai, G. L.] Sezione Ist Nazl Fis Nucl, Cagliari, Italy. [Deloff, A.; Dobrowolski, T.; Ilkiv, I.; Kurashvili, P.; Redlich, K.; Siemiarczuk, T.; Stefanek, G.; Wilk, G.] Soltan Inst Nucl Studies, PL-00681 Warsaw, Poland. [Di Liberto, S.; Mazzoni, M. A.; Meddi, F.; Urciuoli, G. M.] Sezione Ist Nazl Fis Nucl, Rome, Italy. [Erdal, H. A.; Helstrup, H.; Hetland, K. F.; Kileng, B.] Bergen Univ Coll, Fac Engn, Bergen, Norway. [Finogeev, D.; Guber, F.; Karavichev, O.; Karavicheva, T.; Karpechev, E.; Konevskih, A.; Kurepin, A.; Kurepin, A. B.; Maevskaya, A.; Pshenichnov, I.; Reshetin, A.] Acad Sci, Inst Nucl Res, Moscow, Russia. [Fragkiadakis, M.; Ganoti, P.; Roukoutakis, F.; Spyropoulou-Stassinaki, M.; Tagridis, C.; Vasileiou, M.] Univ Athens, Dept Phys, Athens, Greece. [Girard, M. R.; Graczykowski, L. K.; Grigoryan, A.; Janik, M. A.; Oleniacz, J.; Ostrowski, P.; Pawlak, T.; Peryt, W.; Pluta, J.; Traczyk, T.; Zbroszczyk, H.] Warsaw Univ Technol, Warsaw, Poland. [Gomez, R.; Monzon, I. Leon; Podesta-Lerma, P. L. M.] Univ Autonoma Sinaloa, Culiacan, Mexico. [Gotovac, S.; Mudnic, E.; Vickovic, L.] Tech Univ Split FESB, Split, Croatia. [Grigoryan, A.; Gulkanyan, H.; Hayrapetyan, A.] Yerevan Phys Inst, Yerevan 375036, Armenia. [Gunji, T.; Hamagaki, H.; Hori, Y.; Ozawa, K.; Sano, S.] Univ Tokyo, Tokyo, Japan. [Hwang, D. S.; Kim, J. H.; Kim, S.; Son, H.] Sejong Univ, Dept Phys, Seoul, South Korea. [Jacobs, P. M.; Loizides, C.; Ploskon, M.; Sakai, S.; Symons, T. J. M.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA. [Jena, S.; Meethaleveedu, G. Koyithatta; Nandi, B. K.; Nyatha, A.; Varma, R.] Indian Inst Technol, Bombay 400076, Maharashtra, India. [Kalweit, A.; Kraus, I.; Oeschler, H.; Ricaud, H.] Tech Univ Darmstadt, Inst Kernphys, Darmstadt, Germany. [Kang, J. H.; Kim, M.; Kwon, Y.; Song, M.] Yonsei Univ, Seoul 120749, South Korea. [Keidel, R.] Fachhsch Worms, ZTT, Worms, Germany. [Klay, J. L.] Calif Polytech State Univ San Luis Obispo, San Luis Obispo, CA 93407 USA. [Li, X.] China Inst Atom Energy, Beijing, Peoples R China. [Mares, J.; Polak, K.; Zavada, P.] Acad Sci Czech Republic, Inst Phys, Prague, Czech Republic. [Martashvili, I.; Nattrass, C.; Read, K. F.; Scott, R.] Univ Tennessee, Knoxville, TN USA. [Meddi, F.] Univ Roma La Sapienza, Dipartimento Fis, I-00185 Rome, Italy. [Midori, J.; Obayashi, H.; Shigaki, K.; Sugitate, T.; Torii, H.] Hiroshima Univ, Hiroshima, Japan. [Newby, J.; Soltz, R.] Lawrence Livermore Natl Lab, Livermore, CA USA. [Pestov, Y.] Budker Inst Nucl Phys, Novosibirsk 630090, Russia. [Raniwala, R.; Raniwala, S.] Univ Rajasthan, Dept Phys, Jaipur 302004, Rajasthan, India. [Scharenberg, R. P.; Srivastava, B. K.] Purdue Univ, W Lafayette, IN 47907 USA. [Vernet, R.] Ctr Calcul IN2P3, Villeurbanne, France. [Yi, J.; Yoo, I. -K.] Pusan Natl Univ, Pusan 609735, South Korea. [Bortolin, C.] Univ Udine, Dipartimento Fis, I-33100 Udine, Italy. [Balbastre, G. Conesa; Mao, Y.] Univ Grenoble 1, CNRS, IN2P3, LPSC,Inst Polytech Grenoble, Grenoble, France. [Krawutschke, T.] Fachhsch Koln, Cologne, Germany. [Krivda, M.; Vala, M.] Slovak Acad Sci, Inst Expt Phys, Kosice 04353, Slovakia. [Malinina, L.] Moscow MV Lomonosov State Univ, DV Skobeltsyn Inst Nucl Phys, Moscow, Russia. [Milosevic, J.] Vinca Inst Nucl Sci, Belgrade, Serbia. RP Aamodt, K (reprint author), Univ Bergen, Dept Phys & Technol, Bergen, Norway. RI Vechernin, Vladimir/J-5832-2013; Graczykowski, Lukasz/O-7522-2015; Janik, Malgorzata/O-7520-2015; De Pasquale, Salvatore/B-9165-2008; de Cuveland, Jan/H-6454-2016; Kurepin, Alexey/H-4852-2013; Jena, Satyajit/P-2409-2015; Akindinov, Alexander/J-2674-2016; Nattrass, Christine/J-6752-2016; Suaide, Alexandre/L-6239-2016; van der Kolk, Naomi/M-9423-2016; Yang, Hongyan/J-9826-2014; Cosentino, Mauro/L-2418-2014; Vacchi, Andrea/C-1291-2010; Bearden, Ian/M-4504-2014; Kharlov, Yuri/D-2700-2015; Mitu, Ciprian/E-6733-2011; Usai, Gianluca/E-9604-2015; Salgado, Carlos A./G-2168-2015; Bruna, Elena/C-4939-2014; HAMAGAKI, HIDEKI/G-4899-2014; Pshenichnov, Igor/A-4063-2008; Altsybeev, Igor/K-6687-2013; Barnafoldi, Gergely Gabor/L-3486-2013; Christensen, Christian Holm/A-4901-2010; Castillo Castellanos, Javier/G-8915-2013; Levai, Peter/A-1544-2014; Guber, Fedor/I-4271-2013; Martinez Davalos, Arnulfo/F-3498-2013; Wagner, Vladimir/G-5650-2014; Bielcikova, Jana/G-9342-2014; Adamova, Dagmar/G-9789-2014; Blau, Dmitry/H-4523-2012; Turrisi, Rosario/H-4933-2012; Bregant, Marco/I-7663-2012; Christensen, Christian/D-6461-2012; Peitzmann, Thomas/K-2206-2012; feofilov, grigory/A-2549-2013; Barnby, Lee/G-2135-2010; Traczyk, Tomasz/C-1310-2013; Mischke, Andre/D-3614-2011; Ramello, Luciano/F-9357-2013; Voloshin, Sergei/I-4122-2013; Zarochentsev, Andrey/J-6253-2013; Kondratiev, Valery/J-8574-2013; beole', stefania/G-9353-2012; Takahashi, Jun/B-2946-2012; Coccetti, Fabrizio/H-4004-2011; Felea, Daniel/C-1885-2012; Sevcenco, Adrian/C-1832-2012; Chinellato, David/D-3092-2012; Barbera, Roberto/G-5805-2012; Cortese, Pietro/G-6754-2012; Yoo, In-Kwon/J-6222-2012; SCAPPARONE, EUGENIO/H-1805-2012; Masera, Massimo/J-4313-2012; Bagnasco, Stefano/J-4324-2012; Gagliardi, Martino/J-4787-2012; Aglieri Rinella, Gianluca/I-8010-2012; Deppman, Airton/J-5787-2014; Martynov, Yevgen/L-3009-2015; Inst. of Physics, Gleb Wataghin/A-9780-2017; Armesto, Nestor/C-4341-2017; Martinez Hernandez, Mario Ivan/F-4083-2010; Ferretti, Alessandro/F-4856-2013; Fernandez Tellez, Arturo/E-9700-2017; Vickovic, Linda/F-3517-2017; Vinogradov, Leonid/K-3047-2013; OI Beole', Stefania/0000-0003-4673-8038; Gago Medina, Alberto Martin/0000-0002-0019-9692; Riggi, Francesco/0000-0002-0030-8377; Dainese, Andrea/0000-0002-2166-1874; Paticchio, Vincenzo/0000-0002-2916-1671; Monteno, Marco/0000-0002-3521-6333; Bhasin, Anju/0000-0002-3687-8179; SANTORO, ROMUALDO/0000-0002-4360-4600; Scarlassara, Fernando/0000-0002-4663-8216; Turrisi, Rosario/0000-0002-5272-337X; D'Erasmo, Ginevra/0000-0003-3407-6962; Tosello, Flavio/0000-0003-4602-1985; Vechernin, Vladimir/0000-0003-1458-8055; Janik, Malgorzata/0000-0002-3356-3438; De Pasquale, Salvatore/0000-0001-9236-0748; de Cuveland, Jan/0000-0003-0455-1398; Kurepin, Alexey/0000-0002-1851-4136; Jena, Satyajit/0000-0002-6220-6982; Akindinov, Alexander/0000-0002-7388-3022; Nattrass, Christine/0000-0002-8768-6468; Suaide, Alexandre/0000-0003-2847-6556; van der Kolk, Naomi/0000-0002-8670-0408; Cosentino, Mauro/0000-0002-7880-8611; Vacchi, Andrea/0000-0003-3855-5856; Bearden, Ian/0000-0003-2784-3094; Usai, Gianluca/0000-0002-8659-8378; Salgado, Carlos A./0000-0003-4586-2758; Bruna, Elena/0000-0001-5427-1461; Pshenichnov, Igor/0000-0003-1752-4524; Altsybeev, Igor/0000-0002-8079-7026; Christensen, Christian Holm/0000-0002-1850-0121; Castillo Castellanos, Javier/0000-0002-5187-2779; Guber, Fedor/0000-0001-8790-3218; Martinez Davalos, Arnulfo/0000-0002-9481-9548; Christensen, Christian/0000-0002-1850-0121; Peitzmann, Thomas/0000-0002-7116-899X; feofilov, grigory/0000-0003-3700-8623; Barnby, Lee/0000-0001-7357-9904; Traczyk, Tomasz/0000-0002-6602-4094; Zarochentsev, Andrey/0000-0002-3502-8084; Kondratiev, Valery/0000-0002-0031-0741; Takahashi, Jun/0000-0002-4091-1779; Felea, Daniel/0000-0002-3734-9439; Sevcenco, Adrian/0000-0002-4151-1056; Chinellato, David/0000-0002-9982-9577; Barbera, Roberto/0000-0001-5971-6415; Aglieri Rinella, Gianluca/0000-0002-9611-3696; Deppman, Airton/0000-0001-9179-6363; Martynov, Yevgen/0000-0003-0753-2205; Armesto, Nestor/0000-0003-0940-0783; Martinez Hernandez, Mario Ivan/0000-0002-8503-3009; Ferretti, Alessandro/0000-0001-9084-5784; Fernandez Tellez, Arturo/0000-0003-0152-4220; Vickovic, Linda/0000-0002-9820-7960; Coccetti, Fabrizio/0000-0001-7041-3394; Vinogradov, Leonid/0000-0001-9247-6230; Mohanty, Bedangadas/0000-0001-9610-2914 FU Calouste Gulbenkian Foundation from Lisbon and Swiss Fonds Kidagan, Armenia; Conselho Nacional de Desenvolvimento Cientifico e Tecnologico (CNPq); Financiadora de Estudos e Projetos (FINEP); Fundacao de Amparo a Pesquisa do Estado de Sao Paulo (FAPESP); National Natural Science Foundation of China (NSFC); Chinese Ministry of Education (CMOE); Ministry of Science and Technology of China (MSTC); Ministry of Education and Youth of the Czech Republic; Danish Natural Science Research Council; Carlsberg Foundation; Danish National Research Foundation; European Research Council under the European Community; Helsinki Institute of Physics; Academy of Finland; French CNRS [IN2P3]; Region Pays de Loire; Region Alsace; Region Auvergne; CEA, France; German BMBF; Helmholtz Association; Greek Ministry of Research and Technology; Hungarian OTKA; National Office for Research and Technology (NKTH); Department of Atomic Energy and Department of Science and Technology of the Government of India; Istituto Nazionale di Fisica Nucleare (INFN) of Italy; MEXT, Japan; Joint Institute for Nuclear Research, Dubna; National Research Foundation of Korea (NRF); CONACYT; DGAPA, Mexico; ALFA-EC; HELEN (High-Energy physics Latin-American-European Network); Stichting voor Fundamenteel Onderzoek der Materie (FOM); Nederlandse Organisatie voor Wetenschappelijk Onderzoek (NWO), Netherlands; Research Council of Norway (NFR); Polish Ministry of Science and Higher Education; National Authority for Scientific Research-NASR (Autoritatea Nationala pentru Cercetare Stiintifica - ANCS); Federal Agency of Science of the Ministry of Education and Science of Russian Federation; International Science and Technology Center; Russian Academy of Sciences; Russian Federal Agency of Atomic Energy; Russian Federal Agency for Science and Innovations; CERN-INTAS; Ministry of Education of Slovakia; CIEMAT; EELA; Ministerio de Educacion y Ciencia of Spain; Xunta de Galicia (Conselleria de Educacion); CEADEN; Cubaenergia; Cuba; IAEA (International Atomic Energy Agency); Ministry of Science and Technology; National Research Foundation (NRF), South Africa; Swedish Reseach Council (VR); Knut & Alice Wallenberg Foundation (KAW); Ukraine Ministry of Education and Science; United Kingdom Science and Technology Facilities Council (STFC); United States Department of Energy; United States National Science Foundation; State of Texas; State of Ohio FX The ALICE Collaboration would like to thank all its engineers and technicians for their invaluable contributions to the construction of the experiment and the CERN accelerator teams for the outstanding performance of the LHC complex. The ALICE Collaboration acknowledges the following funding agencies for their support in building and running the ALICE detector: Calouste Gulbenkian Foundation from Lisbon and Swiss Fonds Kidagan, Armenia; Conselho Nacional de Desenvolvimento Cientifico e Tecnologico (CNPq), Financiadora de Estudos e Projetos (FINEP), Fundacao de Amparo a Pesquisa do Estado de Sao Paulo (FAPESP); National Natural Science Foundation of China (NSFC), the Chinese Ministry of Education (CMOE) and the Ministry of Science and Technology of China (MSTC); Ministry of Education and Youth of the Czech Republic; Danish Natural Science Research Council, the Carlsberg Foundation and the Danish National Research Foundation; The European Research Council under the European Community's Seventh Framework Programme; Helsinki Institute of Physics and the Academy of Finland; French CNRS-IN2P3, the "Region Pays de Loire," "Region Alsace," "Region Auvergne," and CEA, France; German BMBF and the Helmholtz Association; Greek Ministry of Research and Technology; Hungarian OTKA and National Office for Research and Technology (NKTH); Department of Atomic Energy and Department of Science and Technology of the Government of India; Istituto Nazionale di Fisica Nucleare (INFN) of Italy; MEXT Grant-in-Aid for Specially Promoted Research, Japan; Joint Institute for Nuclear Research, Dubna; National Research Foundation of Korea (NRF); CONACYT, DGAPA, Mexico, ALFA-EC and the HELEN Program (High-Energy physics Latin-American-European Network); Stichting voor Fundamenteel Onderzoek der Materie (FOM) and the Nederlandse Organisatie voor Wetenschappelijk Onderzoek (NWO), Netherlands; Research Council of Norway (NFR); Polish Ministry of Science and Higher Education; National Authority for Scientific Research-NASR (Autoritatea Nationala pentru Cercetare Stiintifica - ANCS); Federal Agency of Science of the Ministry of Education and Science of Russian Federation, International Science and Technology Center, Russian Academy of Sciences, Russian Federal Agency of Atomic Energy, Russian Federal Agency for Science and Innovations and CERN-INTAS; Ministry of Education of Slovakia; CIEMAT, EELA, Ministerio de Educacion y Ciencia of Spain, Xunta de Galicia (Conselleria de Educacion), CEADEN, Cubaenergia, Cuba, and IAEA (International Atomic Energy Agency); The Ministry of Science and Technology and the National Research Foundation (NRF), South Africa; Swedish Reseach Council (VR) and Knut & Alice Wallenberg Foundation (KAW); Ukraine Ministry of Education and Science; United Kingdom Science and Technology Facilities Council (STFC); The United States Department of Energy, the United States National Science Foundation, the State of Texas, and the State of Ohio. NR 36 TC 57 Z9 57 U1 1 U2 53 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 2470-0010 EI 2470-0029 J9 PHYS REV D JI Phys. Rev. D PD DEC 14 PY 2011 VL 84 IS 11 AR 112004 DI 10.1103/PhysRevD.84.112004 PG 22 WC Astronomy & Astrophysics; Physics, Particles & Fields SC Astronomy & Astrophysics; Physics GA 862YX UT WOS:000298131100001 ER PT J AU Blum, T Boyle, PA Christ, NH Garron, N Goode, E Izubuchi, T Lehner, C Liu, Q Mawhinney, RD Sachrajda, CT Soni, A Sturm, C Yin, H Zhou, R AF Blum, T. Boyle, P. A. Christ, N. H. Garron, N. Goode, E. Izubuchi, T. Lehner, C. Liu, Q. Mawhinney, R. D. Sachrajda, C. T. Soni, A. Sturm, C. Yin, H. Zhou, R. CA RBC Collaboration UKQCD Collaboration TI K to pi pi decay amplitudes from lattice QCD SO PHYSICAL REVIEW D LA English DT Article ID MATRIX; RULE AB We report a direct lattice calculation of the K to pi pi decay matrix elements for both the Delta I = 1/2 and 3/2 amplitudes A(0) and A(2) on 2 + 1 flavor, domain wall fermion, 16(3) x 32 x 16 lattices. This is a complete calculation in which all contractions for the required ten, four-quark operators are evaluated, including the disconnected graphs in which no quark line connects the initial kaon and final two-pion states. These lattice operators are nonperturbatively renormalized using the Rome-Southampton method and the quadratic divergences are studied and removed. This is an important but notoriously difficult calculation, requiring high statistics on a large volume. In this paper, we take a major step toward the computation of the physical K -> pi pi amplitudes by performing a complete calculation at unphysical kinematics with pions of mass 422 MeVat rest in the kaon rest frame. With this simplification, we are able to resolve Re(A(0)) from zero for the first time, with a 25% statistical error and can develop and evaluate methods for computing the complete, complex amplitude A(0), a calculation central to understanding the Delta = 1/2 rule and testing the standard model of CP violation in the kaon system. C1 [Blum, T.; Zhou, R.] Univ Connecticut, Dept Phys, Storrs, CT 06269 USA. [Boyle, P. A.; Garron, N.] Univ Edinburgh, Sch Phys, SUPA, Edinburgh EH9 3JZ, Midlothian, Scotland. [Christ, N. H.; Liu, Q.; Mawhinney, R. D.; Yin, H.] Columbia Univ, Dept Phys, New York, NY 10027 USA. [Goode, E.; Sachrajda, C. T.] Univ Southampton, Sch Phys & Astron, Southampton SO17 1BJ, Hants, England. [Izubuchi, T.; Soni, A.] Brookhaven Natl Lab, Upton, NY 11973 USA. [Izubuchi, T.; Lehner, C.] Brookhaven Natl Lab, RIKEN BNL Res Ctr, Upton, NY 11973 USA. [Sturm, C.] Max Planck Inst Phys & Astrophys, D-80805 Munich, Germany. [Zhou, R.] Indiana Univ, Dept Phys, Bloomington, IN 47405 USA. RP Blum, T (reprint author), Univ Connecticut, Dept Phys, Storrs, CT 06269 USA. RI zhou, ran/O-6309-2014; Sturm, Christian/Q-2713-2015; OI zhou, ran/0000-0002-0640-1820; Sturm, Christian/0000-0002-3137-4940; Lehner, Christoph/0000-0002-3584-4567 FU U.S. DOE [DE-FG02-92ER40699, DE-FG02-92ER40716]; DOE [DE-AC02-98CH10886(BNL)]; STFC; UK STFC [PP/D000211/1]; EU [MRTN-CT-2006-035482 (Flavianet)]; RIKEN FPR FX We thank Dirk Brommel and our other colleagues in the RBC and UKQCD collaborations for discussions, suggestions, and assistance. We acknowledge RIKEN BNL Research Center, the Brookhaven National Laboratory and the U.S. Department of Energy (DOE) for providing the facilities on which this work was performed. N.C, Q. L, R. M. were supported in part by U.S. DOE Grant No. DE-FG02-92ER40699, T. B. and R.Z. by U.S. DOE Grant No. DE-FG02-92ER40716 and A. S. and T. I. by DOE Contract No. DE-AC02-98CH10886(BNL). E. G. was supported by STFC and C. T. S. was partially supported by UK STFC Grant No. PP/D000211/1 and by EU Contract No. MRTN-CT-2006-035482 (Flavianet). Finally, Q. L. would like to thank the U.S. DOE for support and C. L. acknowledges support of the RIKEN FPR program. NR 34 TC 35 Z9 35 U1 0 U2 1 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1550-7998 J9 PHYS REV D JI Phys. Rev. D PD DEC 14 PY 2011 VL 84 IS 11 AR 114503 DI 10.1103/PhysRevD.84.114503 PG 22 WC Astronomy & Astrophysics; Physics, Particles & Fields SC Astronomy & Astrophysics; Physics GA 862YX UT WOS:000298131100011 ER PT J AU Larsen, G Nomura, Y Roberts, HLL AF Larsen, Grant Nomura, Yasunori Roberts, Hannes L. L. TI Cosmological constant in the quantum multiverse SO PHYSICAL REVIEW D LA English DT Article ID ETERNAL INFLATION; STELLAR MASS; HALO MASS; METALLICITY; UNIVERSE; PREDICTIONS; GALAXIES AB Recently, a new framework for describing the multiverse has been proposed which is based on the principles of quantum mechanics. The framework allows for well-defined predictions, both regarding global properties of the universe and outcomes of particular experiments, according to a single probability formula. This provides complete unification of the eternally inflating multiverse and many worlds in quantum mechanics. In this paper, we elucidate how cosmological parameters can be calculated in this framework, and study the probability distribution for the value of the cosmological constant. We consider both positive and negative values, and find that the observed value is consistent with the calculated distribution at an order of magnitude level. In particular, in contrast to the case of earlier measure proposals, our framework prefers a positive cosmological constant over a negative one. These results depend only moderately on how we model galaxy formation and life evolution therein. C1 [Larsen, Grant] Univ Calif Berkeley, Dept Phys, Berkeley Ctr Theoret Phys, Berkeley, CA 94720 USA. Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Theoret Phys Grp, Berkeley, CA 94720 USA. RP Larsen, G (reprint author), Univ Calif Berkeley, Dept Phys, Berkeley Ctr Theoret Phys, Berkeley, CA 94720 USA. OI Nomura, Yasunori/0000-0002-1497-1479 FU Office of Science, Office of High Energy and Nuclear Physics, of the US Department of Energy [DE-AC02-05CH11231]; National Science Foundation [PHY-0855653, PHY05-51164] FX We thank Asimina Arvanitaki, Savas Dimopoulos, and David Pinner for useful discussions. This work was supported in part by the Director, Office of Science, Office of High Energy and Nuclear Physics, of the US Department of Energy under Contract No. DE-AC02-05CH11231, and in part by the National Science Foundation under Grants No. PHY-0855653 and PHY05-51164. NR 42 TC 15 Z9 15 U1 1 U2 3 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1550-7998 J9 PHYS REV D JI Phys. Rev. D PD DEC 14 PY 2011 VL 84 IS 12 AR 123512 DI 10.1103/PhysRevD.84.123512 PG 11 WC Astronomy & Astrophysics; Physics, Particles & Fields SC Astronomy & Astrophysics; Physics GA 862ZE UT WOS:000298131800003 ER PT J AU Mitsuka, G Abe, K Hayato, Y Iida, T Ikeda, M Kameda, J Koshio, Y Miura, M Moriyama, S Nakahata, M Nakayama, S Obayashi, Y Sekiya, H Shiozawa, M Suzuki, Y Takeda, A Takenaga, Y Takeuchi, Y Ueno, K Ueshima, K Watanabe, H Yamada, S Hazama, S Higuchi, I Ishihara, C Kaji, H Kajita, T Kaneyuki, K Nishino, H Okumura, K Tanimoto, N Dufour, F Kearns, E Litos, M Raaf, JL Stone, JL Sulak, LR Goldhaber, M Bays, K Cravens, JP Kropp, WR Mine, S Regis, C Smy, MB Sobel, HW Vagins, MR Ganezer, KS Hill, J Keig, WE Jang, JS Kim, JY Lim, IT Albert, J Scholberg, K Walter, CW Wendell, R Ishizuka, T Tasaka, S Learned, JG Matsuno, S Watanabe, Y Hasegawa, T Ishida, T Ishii, T Kobayashi, T Nakadaira, T Nakamura, K Nishikawa, K Oyama, Y Sakashita, K Sekiguchi, T Tsukamoto, T Suzuki, AT Minamino, A Nakaya, T Yokoyama, M Fukuda, Y Itow, Y Tanaka, T Jung, CK Lopez, G McGrew, C Yanagisawa, C Tamura, N Idehara, Y Sakuda, M Kuno, Y Yoshida, M Kim, SB Yang, BS Okazawa, H Choi, Y Seo, HK Furuse, Y Nishijima, K Yokosawa, Y Koshiba, M Totsuka, Y Chen, S Liu, J Heng, Y Yang, Z Zhang, H Kielczewska, D Connolly, K Thrane, E Wilkes, RJ AF Mitsuka, G. Abe, K. Hayato, Y. Iida, T. Ikeda, M. Kameda, J. Koshio, Y. Miura, M. Moriyama, S. Nakahata, M. Nakayama, S. Obayashi, Y. Sekiya, H. Shiozawa, M. Suzuki, Y. Takeda, A. Takenaga, Y. Takeuchi, Y. Ueno, K. Ueshima, K. Watanabe, H. Yamada, S. Hazama, S. Higuchi, I. Ishihara, C. Kaji, H. Kajita, T. Kaneyuki, K. Nishino, H. Okumura, K. Tanimoto, N. Dufour, F. Kearns, E. Litos, M. Raaf, J. L. Stone, J. L. Sulak, L. R. Goldhaber, M. Bays, K. Cravens, J. P. Kropp, W. R. Mine, S. Regis, C. Smy, M. B. Sobel, H. W. Vagins, M. R. Ganezer, K. S. Hill, J. Keig, W. E. Jang, J. S. Kim, J. Y. Lim, I. T. Albert, J. Scholberg, K. Walter, C. W. Wendell, R. Ishizuka, T. Tasaka, S. Learned, J. G. Matsuno, S. Watanabe, Y. Hasegawa, T. Ishida, T. Ishii, T. Kobayashi, T. Nakadaira, T. Nakamura, K. Nishikawa, K. Oyama, Y. Sakashita, K. Sekiguchi, T. Tsukamoto, T. Suzuki, A. T. Minamino, A. Nakaya, T. Yokoyama, M. Fukuda, Y. Itow, Y. Tanaka, T. Jung, C. K. Lopez, G. McGrew, C. Yanagisawa, C. Tamura, N. Idehara, Y. Sakuda, M. Kuno, Y. Yoshida, M. Kim, S. B. Yang, B. S. Okazawa, H. Choi, Y. Seo, H. K. Furuse, Y. Nishijima, K. Yokosawa, Y. Koshiba, M. Totsuka, Y. Chen, S. Liu, J. Heng, Y. Yang, Z. Zhang, H. Kielczewska, D. Connolly, K. Thrane, E. Wilkes, R. J. CA Super-Kamiokande Collaboration TI Study of nonstandard neutrino interactions with atmospheric neutrino data in Super-Kamiokande I and II SO PHYSICAL REVIEW D LA English DT Article ID OSCILLATIONS; PHYSICS; DECAY; MODEL AB In this paper we study nonstandard neutrino interactions as an example of physics beyond the standard model using atmospheric neutrino data collected during the Super-Kamiokande I (1996-2001) and II (2003-2005) periods. We focus on flavor-changing-neutral-currents (FCNC), which allow neutrino flavor transitions via neutral current interactions, and effects which violate lepton nonuniversality and give rise to different neutral-current interaction-amplitudes for different neutrino flavors. We obtain a limit on the FCNC coupling parameter, epsilon(mu tau), vertical bar epsilon(mu tau)vertical bar < 1.1 x 10(-2) at 90% C. L. and various constraints on other FCNC parameters as a function of the nonuniversality coupling, epsilon(ee). We find no evidence of nonstandard neutrino interactions in the Super-Kamiokande atmospheric data. C1 [Abe, K.; Hayato, Y.; Iida, T.; Ikeda, M.; Kameda, J.; Koshio, Y.; Miura, M.; Moriyama, S.; Nakahata, M.; Nakayama, S.; Obayashi, Y.; Sekiya, H.; Shiozawa, M.; Suzuki, Y.; Takeda, A.; Takenaga, Y.; Takeuchi, Y.; Ueno, K.; Ueshima, K.; Watanabe, H.; Yamada, S.] Univ Tokyo, Inst Cosm Ray Res, Kamioka Observ, Gifu 5061205, Japan. [Mitsuka, G.; Hazama, S.; Higuchi, I.; Ishihara, C.; Kaji, H.; Kajita, T.; Kaneyuki, K.; Nishino, H.; Okumura, K.; Tanimoto, N.] Univ Tokyo, Inst Cosm Ray Res, Res Ctr Cosm Neutrinos, Kashiwa, Chiba 2778582, Japan. [Hayato, Y.; Moriyama, S.; Nakahata, M.; Shiozawa, M.; Suzuki, Y.; Takeuchi, Y.; Kajita, T.; Kaneyuki, K.; Kearns, E.; Stone, J. L.; Smy, M. B.; Sobel, H. W.; Vagins, M. R.; Scholberg, K.; Walter, C. W.; Nakamura, K.; Nakaya, T.] Univ Tokyo, Inst Phys & Math Universe, Kashiwa, Chiba 2778582, Japan. [Dufour, F.; Kearns, E.; Litos, M.; Raaf, J. L.; Stone, J. L.; Sulak, L. R.] Boston Univ, Dept Phys, Boston, MA 02215 USA. [Goldhaber, M.] Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA. [Bays, K.; Cravens, J. P.; Kropp, W. R.; Mine, S.; Regis, C.; Smy, M. B.; Sobel, H. W.; Vagins, M. R.] Univ Calif Irvine, Dept Phys, Irvine, CA 92697 USA. [Bays, K.; Cravens, J. P.; Kropp, W. R.; Mine, S.; Regis, C.; Smy, M. B.; Sobel, H. W.; Vagins, M. R.] Univ Calif Irvine, Dept Astron, Irvine, CA 92697 USA. [Ganezer, K. S.; Hill, J.; Keig, W. E.] Calif State Univ Dominguez Hills, Dept Phys, Carson, CA 90747 USA. [Jang, J. S.; Kim, J. Y.; Lim, I. T.] Chonnam Natl Univ, Dept Phys, Kwangju 500757, South Korea. [Albert, J.; Scholberg, K.; Walter, C. W.; Wendell, R.] Duke Univ, Dept Phys, Durham, NC 27708 USA. [Ishizuka, T.] Fukuoka Inst Technol, Jr Coll, Fukuoka 8110295, Japan. [Tasaka, S.] Gifu Univ, Dept Phys, Gifu 5011193, Japan. [Learned, J. G.; Matsuno, S.] Univ Hawaii, Dept Phys & Astron, Honolulu, HI 96822 USA. [Watanabe, Y.] Kanagawa Univ, Dept Engn, Div Phys, Yokohama, Kanagawa 2218686, Japan. [Hasegawa, T.; Ishida, T.; Ishii, T.; Kobayashi, T.; Nakadaira, T.; Nakamura, K.; Nishikawa, K.; Oyama, Y.; Sakashita, K.; Sekiguchi, T.; Tsukamoto, T.] High Energy Accelerator Res Org KEK, Tsukuba, Ibaraki 3050801, Japan. [Suzuki, A. T.] Kobe Univ, Dept Phys, Kobe, Hyogo 6578501, Japan. [Minamino, A.; Nakaya, T.; Yokoyama, M.] Kyoto Univ, Dept Phys, Kyoto 6068502, Japan. [Fukuda, Y.] Miyagi Univ Educ, Dept Phys, Sendai, Miyagi 9800845, Japan. [Itow, Y.] Nagoya Univ, Solar Terr Environm Lab, Nagoya, Aichi 4648602, Japan. [Tanaka, T.; Jung, C. K.; Lopez, G.; McGrew, C.; Yanagisawa, C.] SUNY Stony Brook, Dept Phys & Astron, Stony Brook, NY 11794 USA. [Tamura, N.] Niigata Univ, Dept Phys, Niigata 9502181, Japan. [Idehara, Y.; Sakuda, M.] Okayama Univ, Dept Phys, Okayama 7008530, Japan. [Kuno, Y.; Yoshida, M.] Osaka Univ, Dept Phys, Toyonaka, Osaka 5600043, Japan. [Kim, S. B.; Yang, B. S.] Seoul Natl Univ, Dept Phys, Seoul 151742, South Korea. [Okazawa, H.] Shizuoka Univ Welf, Dept Informat Social Welf, Yaizu, Shizuoka 4258611, Japan. [Choi, Y.; Seo, H. K.] Sungkyunkwan Univ, Dept Phys, Suwon 440746, South Korea. [Furuse, Y.; Nishijima, K.; Yokosawa, Y.] Tokai Univ, Dept Phys, Hiratsuka, Kanagawa 2591292, Japan. [Koshiba, M.; Totsuka, Y.] Univ Tokyo, Bunkyo Ku, Tokyo 1130033, Japan. [Chen, S.; Liu, J.; Heng, Y.; Yang, Z.; Zhang, H.] Tsinghua Univ, Dept Engn Phys, Beijing 100084, Peoples R China. [Kielczewska, D.] Warsaw Univ, Inst Expt Phys, PL-00681 Warsaw, Poland. [Connolly, K.; Thrane, E.; Wilkes, R. J.] Univ Washington, Dept Phys, Seattle, WA 98195 USA. RP Mitsuka, G (reprint author), Nagoya Univ, Solar Terr Environm Lab, Nagoya, Aichi 4648602, Japan. RI Sobel, Henry/A-4369-2011; Suzuki, Yoichiro/F-7542-2010; Yokoyama, Masashi/A-4458-2011; Obayashi, Yoshihisa/A-4472-2011; Wilkes, R.Jeffrey/E-6011-2013; Takeuchi, Yasuo/A-4310-2011; Kim, Soo-Bong/B-7061-2014; Koshio, Yusuke/C-2847-2015; OI Yokoyama, Masashi/0000-0003-2742-0251; Koshio, Yusuke/0000-0003-0437-8505; Raaf, Jennifer/0000-0002-4533-929X FU Japanese Ministry of Education, Culture, Sports, Science and Technology; United States Department of Energy; U.S. National Science Foundation; Korean Research Foundation; Korea Science and Engineering Foundation; State Committee for Scientific Research in Poland [1757/B/H03/2008/35] FX We gratefully acknowledge the cooperation of the Kamioka Mining and Smelting Company. The Super-Kamiokande experiment has been built and operated from funding by the Japanese Ministry of Education, Culture, Sports, Science and Technology, the United States Department of Energy, and the U.S. National Science Foundation. Some of us have been supported by funds from the Korean Research Foundation (BK21), and the Korea Science and Engineering Foundation. Some of us have been supported by the State Committee for Scientific Research in Poland (grant 1757/B/H03/2008/35). NR 43 TC 34 Z9 34 U1 0 U2 4 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1550-7998 EI 1550-2368 J9 PHYS REV D JI Phys. Rev. D PD DEC 14 PY 2011 VL 84 IS 11 AR 113008 DI 10.1103/PhysRevD.84.113008 PG 15 WC Astronomy & Astrophysics; Physics, Particles & Fields SC Astronomy & Astrophysics; Physics GA 862YX UT WOS:000298131100004 ER PT J AU Adare, A Afanasiev, S Aidala, C Ajitanand, NN Akiba, Y Al-Bataineh, H Alexander, J Aoki, K Aramaki, Y Atomssa, ET Averbeck, R Awes, TC Azmoun, B Babintsev, V Bai, M Baksay, G Baksay, L Barish, KN Bassalleck, B Basye, AT Bathe, S Baublis, V Baumann, C Bazilevsky, A Belikov, S Belmont, R Bennett, R Berdnikov, A Berdnikov, Y Bickley, AA Bok, JS Boyle, K Brooks, ML Buesching, H Bumazhnov, V Bunce, G Butsyk, S Camacho, CM Campbell, S Chen, CH Chi, CY Chiu, M Choi, IJ Choudhury, RK Christiansen, P Chujo, T Chung, P Chvala, O Cianciolo, V Citron, Z Cole, BA Connors, M Constantin, P Csanad, M Csorgo, T Dahms, T Dairaku, S Danchev, I Das, K Datta, A David, G Denisov, A Deshpande, A Desmond, EJ Dietzsch, O Dion, A Donadelli, M Drapier, O Drees, A Drees, KA Durham, JM Durum, A Dutta, D Edwards, S Efremenko, YV Ellinghaus, F Engelmore, T Enokizono, A En'yo, H Esumi, S Fadem, B Fields, DE Finger, M Finger, M Fleuret, F Fokin, SL Fraenkel, Z Frantz, JE Franz, A Frawley, AD Fujiwara, K Fukao, Y Fusayasu, T Garishvili, I Glenn, A Gong, H Gonin, M Goto, Y de Cassagnac, RG Grau, N Greene, SV Perdekamp, MG Gunji, T Gustafsson, HA Haggerty, JS Hahn, KI Hamagaki, H Hamblen, J Han, R Hanks, J Hartouni, EP Haslum, E Hayano, R He, X Heffner, M Hemmick, TK Hester, T Hill, JC Hohlmann, M Holzmann, W Homma, K Hong, B Horaguchi, T Hornback, D Huang, S Ichihara, T Ichimiya, R Ide, J Ikeda, Y Imai, K Inaba, M Isenhower, D Ishihara, M Isobe, T Issah, M Isupov, A Ivanischev, D Jacak, BV Jia, J Jin, J Johnson, BM Joo, KS Jouan, D Jumper, DS Kajihara, F Kametani, S Kamihara, N Kamin, J Kang, JH Kapustinsky, J Karatsu, K Kawall, D Kawashima, M Kazantsev, AV Kempel, T Khanzadeev, A Kijima, KM Kim, BI Kim, DH Kim, DJ Kim, E Kim, EJ Kim, SH Kim, YJ Kinney, E Kiriluk, K Kiss, A Kistenev, E Kochenda, L Komkov, B Konno, M Koster, J Kotchetkov, D Kozlov, A Kral, A Kravitz, A Kunde, GJ Kurita, K Kurosawa, M Kwon, Y Kyle, GS Lacey, R Lai, YS Lajoie, JG Lebedev, A Lee, DM Lee, J Lee, K Lee, KB Lee, KS Leitch, MJ Leite, MAL Leitner, E Lenzi, B Li, X Liebing, P Levy, LAL Liska, T Litvinenko, A Liu, H Liu, MX Love, B Luechtenborg, R Lynch, D Maguire, CF Makdisi, YI Malakhov, A Malik, MD Manko, VI Mannel, E Mao, Y Masui, H Matathias, F McCumber, M McGaughey, PL Means, N Meredith, B Miake, Y Mignerey, AC Mikes, P Miki, K Milov, A Mishra, M Mitchell, JT Mohanty, AK Morino, Y Morreale, A Morrison, DP Moukhanova, TV Murata, J Nagamiya, S Nagle, JL Naglis, M Nagy, MI Nakagawa, I Nakamiya, Y Nakamura, T Nakano, K Newby, J Nguyen, M Nouicer, R Nyanin, AS O'Brien, E Oda, SX Ogilvie, CA Oka, M Okada, K Onuki, Y Oskarsson, A Ouchida, M Ozawa, K Pak, R Pantuev, V Papavassiliou, V Park, IH Park, J Park, SK Park, WJ Pate, SF Pei, H Peng, JC Pereira, H Peresedov, V Peressounko, DY Pinkenburg, C Pisani, RP Proissl, M Purschke, ML Purwar, AK Qu, H Rak, J Rakotozafindrabe, A Ravinovich, I Read, KF Reygers, K Riabov, V Riabov, Y Richardson, E Roach, D Roche, G Rolnick, SD Rosati, M Rosen, CA Rosendahl, SSE Rosnet, P Rukoyatkin, P Ruzicka, P Sahlmueller, B Saito, N Sakaguchi, T Sakashita, K Samsonov, V Sano, S Sato, T Sawada, S Sedgwick, K Seele, J Seidl, R Semenov, AY Seto, R Sharma, D Shein, I Shibata, TA Shigaki, K Shimomura, M Shoji, K Shukla, P Sickles, A Silva, CL Silvermyr, D Silvestre, C Sim, KS Singh, BK Singh, CP Singh, V Slunecka, M Soltz, RA Sondheim, WE Sorensen, SP Sourikova, IV Sparks, NA Stankus, PW Stenlund, E Stoll, SP Sugitate, T Sukhanov, A Sziklai, J Takagui, EM Taketani, A Tanabe, R Tanaka, Y Tanida, K Tannenbaum, MJ Tarafdar, S Taranenko, A Tarjan, P Themann, H Thomas, TL Togawa, M Toia, A Tomasek, L Torii, H Towell, RS Tserruya, I Tsuchimoto, Y Vale, C Valle, H van Hecke, HW Vazquez-Zambrano, E Veicht, A Velkovska, J Vertesi, R Vinogradov, AA Virius, M Vrba, V Vznuzdaev, E Wang, XR Watanabe, D Watanabe, K Watanabe, Y Wei, F Wei, R Wessels, J White, SN Winter, D Wood, JP Woody, CL Wright, RM Wysocki, M Xie, W Yamaguchi, YL Yamaura, K Yang, R Yanovich, A Ying, J Yokkaichi, S You, Z Young, GR Younus, I Yushmanov, IE Zajc, WA Zhang, C Zhou, S Zolin, L AF Adare, A. Afanasiev, S. Aidala, C. Ajitanand, N. N. Akiba, Y. Al-Bataineh, H. Alexander, J. Aoki, K. Aramaki, Y. Atomssa, E. T. Averbeck, R. Awes, T. C. Azmoun, B. Babintsev, V. Bai, M. Baksay, G. Baksay, L. Barish, K. N. Bassalleck, B. Basye, A. T. Bathe, S. Baublis, V. Baumann, C. Bazilevsky, A. Belikov, S. Belmont, R. Bennett, R. Berdnikov, A. Berdnikov, Y. Bickley, A. A. Bok, J. S. Boyle, K. Brooks, M. L. Buesching, H. Bumazhnov, V. Bunce, G. Butsyk, S. Camacho, C. M. Campbell, S. Chen, C. -H. Chi, C. Y. Chiu, M. Choi, I. J. Choudhury, R. K. Christiansen, P. Chujo, T. Chung, P. Chvala, O. Cianciolo, V. Citron, Z. Cole, B. A. Connors, M. Constantin, P. Csanad, M. Csoergo, T. Dahms, T. Dairaku, S. Danchev, I. Das, K. Datta, A. David, G. Denisov, A. Deshpande, A. Desmond, E. J. Dietzsch, O. Dion, A. Donadelli, M. Drapier, O. Drees, A. Drees, K. A. Durham, J. M. Durum, A. Dutta, D. Edwards, S. Efremenko, Y. V. Ellinghaus, F. Engelmore, T. Enokizono, A. En'yo, H. Esumi, S. Fadem, B. Fields, D. E. Finger, M. Finger, M., Jr. Fleuret, F. Fokin, S. L. Fraenkel, Z. Frantz, J. E. Franz, A. Frawley, A. D. Fujiwara, K. Fukao, Y. Fusayasu, T. Garishvili, I. Glenn, A. Gong, H. Gonin, M. Goto, Y. de Cassagnac, R. Granier Grau, N. Greene, S. V. Perdekamp, M. Grosse Gunji, T. Gustafsson, H. -A. Haggerty, J. S. Hahn, K. I. Hamagaki, H. Hamblen, J. Han, R. Hanks, J. Hartouni, E. P. Haslum, E. Hayano, R. He, X. Heffner, M. Hemmick, T. K. Hester, T. Hill, J. C. Hohlmann, M. Holzmann, W. Homma, K. Hong, B. Horaguchi, T. Hornback, D. Huang, S. Ichihara, T. Ichimiya, R. Ide, J. Ikeda, Y. Imai, K. Inaba, M. Isenhower, D. Ishihara, M. Isobe, T. Issah, M. Isupov, A. Ivanischev, D. Jacak, B. V. Jia, J. Jin, J. Johnson, B. M. Joo, K. S. Jouan, D. Jumper, D. S. Kajihara, F. Kametani, S. Kamihara, N. Kamin, J. Kang, J. H. Kapustinsky, J. Karatsu, K. Kawall, D. Kawashima, M. Kazantsev, A. V. Kempel, T. Khanzadeev, A. Kijima, K. M. Kim, B. I. Kim, D. H. Kim, D. J. Kim, E. Kim, E. J. Kim, S. H. Kim, Y. J. Kinney, E. Kiriluk, K. Kiss, A. Kistenev, E. Kochenda, L. Komkov, B. Konno, M. Koster, J. Kotchetkov, D. Kozlov, A. Kral, A. Kravitz, A. Kunde, G. J. Kurita, K. Kurosawa, M. Kwon, Y. Kyle, G. S. Lacey, R. Lai, Y. S. Lajoie, J. G. Lebedev, A. Lee, D. M. Lee, J. Lee, K. Lee, K. B. Lee, K. S. Leitch, M. J. Leite, M. A. L. Leitner, E. Lenzi, B. Li, X. Liebing, P. Levy, L. A. Linden Liska, T. Litvinenko, A. Liu, H. Liu, M. X. Love, B. Luechtenborg, R. Lynch, D. Maguire, C. F. Makdisi, Y. I. Malakhov, A. Malik, M. D. Manko, V. I. Mannel, E. Mao, Y. Masui, H. Matathias, F. McCumber, M. McGaughey, P. L. Means, N. Meredith, B. Miake, Y. Mignerey, A. C. Mikes, P. Miki, K. Milov, A. Mishra, M. Mitchell, J. T. Mohanty, A. K. Morino, Y. Morreale, A. Morrison, D. P. Moukhanova, T. V. Murata, J. Nagamiya, S. Nagle, J. L. Naglis, M. Nagy, M. I. Nakagawa, I. Nakamiya, Y. Nakamura, T. Nakano, K. Newby, J. Nguyen, M. Nouicer, R. Nyanin, A. S. O'Brien, E. Oda, S. X. Ogilvie, C. A. Oka, M. Okada, K. Onuki, Y. Oskarsson, A. Ouchida, M. Ozawa, K. Pak, R. Pantuev, V. Papavassiliou, V. Park, I. H. Park, J. Park, S. K. Park, W. J. Pate, S. F. Pei, H. Peng, J. -C. Pereira, H. Peresedov, V. Peressounko, D. Yu. Pinkenburg, C. Pisani, R. P. Proissl, M. Purschke, M. L. Purwar, A. K. Qu, H. Rak, J. Rakotozafindrabe, A. Ravinovich, I. Read, K. F. Reygers, K. Riabov, V. Riabov, Y. Richardson, E. Roach, D. Roche, G. Rolnick, S. D. Rosati, M. Rosen, C. A. Rosendahl, S. S. E. Rosnet, P. Rukoyatkin, P. Ruzicka, P. Sahlmueller, B. Saito, N. Sakaguchi, T. Sakashita, K. Samsonov, V. Sano, S. Sato, T. Sawada, S. Sedgwick, K. Seele, J. Seidl, R. Semenov, A. Yu. Seto, R. Sharma, D. Shein, I. Shibata, T. -A. Shigaki, K. Shimomura, M. Shoji, K. Shukla, P. Sickles, A. Silva, C. L. Silvermyr, D. Silvestre, C. Sim, K. S. Singh, B. K. Singh, C. P. Singh, V. Slunecka, M. Soltz, R. A. Sondheim, W. E. Sorensen, S. P. Sourikova, I. V. Sparks, N. A. Stankus, P. W. Stenlund, E. Stoll, S. P. Sugitate, T. Sukhanov, A. Sziklai, J. Takagui, E. M. Taketani, A. Tanabe, R. Tanaka, Y. Tanida, K. Tannenbaum, M. J. Tarafdar, S. Taranenko, A. Tarjan, P. Themann, H. Thomas, T. L. Togawa, M. Toia, A. Tomasek, L. Torii, H. Towell, R. S. Tserruya, I. Tsuchimoto, Y. Vale, C. Valle, H. van Hecke, H. W. Vazquez-Zambrano, E. Veicht, A. Velkovska, J. Vertesi, R. Vinogradov, A. A. Virius, M. Vrba, V. Vznuzdaev, E. Wang, X. R. Watanabe, D. Watanabe, K. Watanabe, Y. Wei, F. Wei, R. Wessels, J. White, S. N. Winter, D. Wood, J. P. Woody, C. L. Wright, R. M. Wysocki, M. Xie, W. Yamaguchi, Y. L. Yamaura, K. Yang, R. Yanovich, A. Ying, J. Yokkaichi, S. You, Z. Young, G. R. Younus, I. Yushmanov, I. E. Zajc, W. A. Zhang, C. Zhou, S. Zolin, L. CA PHENIX Collaboration TI Measurements of Higher Order Flow Harmonics in Au plus Au Collisions at root s(NN)=200 GeV SO PHYSICAL REVIEW LETTERS LA English DT Article ID QUARK-GLUON PLASMA; NUCLEAR COLLISIONS; PHENIX; COLLABORATION; DETECTORS AB Flow coefficients nu(n) for n = 2, 3, 4, characterizing the anisotropic collective flow in Au + Au collisions at root s(NN) = 200 GeV, are measured relative to event planes Psi(n), determined at large rapidity. We report nu(n) as a function of transverse momentum and collision centrality, and study the correlations among the event planes of different order n. The nu(n) are well described by hydrodynamic models which employ a Glauber Monte Carlo initial state geometry with fluctuations, providing additional constraining power on the interplay between initial conditions and the effects of viscosity as the system evolves. This new constraint can serve to improve the precision of the extracted shear viscosity to entropy density ratio eta/s. C1 [Adare, A.; Bickley, A. A.; Ellinghaus, F.; Glenn, A.; Kinney, E.; Kiriluk, K.; Levy, L. A. Linden; Nagle, J. L.; Rosen, C. A.; Seele, J.; Wysocki, M.] Univ Colorado, Boulder, CO 80309 USA. [Basye, A. T.; Isenhower, D.; Jumper, D. S.; Sparks, N. A.; Towell, R. S.; Wood, J. P.; Wright, R. M.] Abilene Christian Univ, Abilene, TX 79699 USA. [Mishra, M.; Singh, B. K.; Singh, C. P.; Singh, V.; Tarafdar, S.] Banaras Hindu Univ, Dept Phys, Varanasi 221005, Uttar Pradesh, India. [Choudhury, R. K.; Dutta, D.; Mohanty, A. K.; Shukla, P.] Bhabha Atom Res Ctr, Bombay 400085, Maharashtra, India. [Bai, M.; Drees, K. A.; Makdisi, Y. I.] Brookhaven Natl Lab, Collider Accelerator Dept, Upton, NY 11973 USA. [Azmoun, B.; Bazilevsky, A.; Belikov, S.; Buesching, H.; Bunce, G.; Chiu, M.; David, G.; Desmond, E. J.; Franz, A.; Haggerty, J. S.; Jia, J.; Johnson, B. M.; Kistenev, E.; Lynch, D.; Milov, A.; Mitchell, J. T.; Morrison, D. P.; Nouicer, R.; O'Brien, E.; Pak, R.; Pinkenburg, C.; Pisani, R. P.; Purschke, M. L.; Sakaguchi, T.; Sickles, A.; Sourikova, I. V.; Stoll, S. P.; Sukhanov, A.; Tannenbaum, M. J.; Vale, C.; White, S. N.; Woody, C. L.] Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA. [Barish, K. N.; Bathe, S.; Chvala, O.; Hester, T.; Morreale, A.; Rolnick, S. D.; Sedgwick, K.; Seto, R.] Univ Calif Riverside, Riverside, CA 92521 USA. [Finger, M.; Finger, M., Jr.; Mikes, P.; Slunecka, M.] Charles Univ Prague, CR-11636 Prague 1, Czech Republic. [Kim, E. J.] Chonbuk Natl Univ, Jeonju 561756, South Korea. [Li, X.; Zhou, S.] China Inst Atom Energy, Sci & Technol Nucl Data Lab, Beijing 102413, Peoples R China. [Aramaki, Y.; Gunji, T.; Hamagaki, H.; Hayano, R.; Isobe, T.; Kajihara, F.; Morino, Y.; Oda, S. X.; Ozawa, K.; Sano, S.; Yamaguchi, Y. L.] Univ Tokyo, Grad Sch Sci, Ctr Nucl Study, Bunkyo Ku, Tokyo 1130033, Japan. [Chi, C. Y.; Cole, B. A.; Engelmore, T.; Grau, N.; Hanks, J.; Holzmann, W.; Jin, J.; Kravitz, A.; Lai, Y. S.; Mannel, E.; Matathias, F.; Vazquez-Zambrano, E.; Winter, D.; Zajc, W. A.] Columbia Univ, New York, NY 10027 USA. [Chi, C. Y.; Cole, B. A.; Engelmore, T.; Grau, N.; Hanks, J.; Holzmann, W.; Jin, J.; Kravitz, A.; Lai, Y. S.; Mannel, E.; Matathias, F.; Vazquez-Zambrano, E.; Winter, D.; Zajc, W. A.] Nevis Labs, Irvington, NY 10533 USA. [Kral, A.; Liska, T.; Virius, M.] Czech Tech Univ, Prague 16636 6, Czech Republic. [Pereira, H.; Silvestre, C.] CEA Saclay, F-91191 Gif Sur Yvette, France. [Tarjan, P.; Vertesi, R.] Debrecen Univ, H-4010 Debrecen, Hungary. [Csanad, M.; Kiss, A.; Nagy, M. I.] Eotvos Lorand Univ, ELTE, H-1117 Budapest, Hungary. [Hahn, K. I.; Lee, J.; Park, I. H.] Ewha Womans Univ, Seoul 120750, South Korea. [Baksay, G.; Baksay, L.; Hohlmann, M.] Florida Inst Technol, Melbourne, FL 32901 USA. [Das, K.; Edwards, S.; Frawley, A. D.] Florida State Univ, Tallahassee, FL 32306 USA. [He, X.; Qu, H.; Ying, J.] Georgia State Univ, Atlanta, GA 30303 USA. [Homma, K.; Horaguchi, T.; Kijima, K. M.; Nakamiya, Y.; Nakamura, T.; Ouchida, M.; Shigaki, K.; Sugitate, T.; Torii, H.; Tsuchimoto, Y.; Watanabe, D.; Yamaura, K.] Hiroshima Univ, Kagamiyama, Higashi Hiroshi 7398526, Japan. [Babintsev, V.; Bumazhnov, V.; Denisov, A.; Durum, A.; Shein, I.; Yanovich, A.] Inst High Energy Phys, State Res Ctr Russian Federat, IHEP Protvino, Protvino 142281, Russia. [Perdekamp, M. Grosse; Kim, Y. J.; Koster, J.; Meredith, B.; Peng, J. -C.; Seidl, R.; Veicht, A.; Yang, R.] Univ Illinois, Urbana, IL 61801 USA. [Pantuev, V.] Russian Acad Sci, Inst Nucl Res, Moscow 117312, Russia. [Mikes, P.; Ruzicka, P.; Tomasek, L.; Vrba, V.] Acad Sci Czech Republic, Inst Phys, Prague 18221 8, Czech Republic. [Hill, J. C.; Kempel, T.; Lajoie, J. G.; Lebedev, A.; Ogilvie, C. A.; Pei, H.; Rosati, M.; Semenov, A. Yu.; Vale, C.; Wei, F.] Iowa State Univ, Ames, IA 50011 USA. [Afanasiev, S.; Isupov, A.; Litvinenko, A.; Malakhov, A.; Peresedov, V.; Rukoyatkin, P.; Zolin, L.] Joint Inst Nucl Res, Dubna 141980, Moscow Region, Russia. [Kim, D. J.; Rak, J.] Helsinki Inst Phys, FI-40014 Jyvaskyla, Finland. [Kim, D. J.; Rak, J.] Univ Jyvaskyla, FI-40014 Jyvaskyla, Finland. [Nagamiya, S.; Nakamura, T.; Saito, N.; Sawada, S.] High Energy Accelerator Res Org, KEK, Tsukuba, Ibaraki 3050801, Japan. [Csoergo, T.; Sziklai, J.; Vertesi, R.] Hungarian Acad Sci, KFKI Res Inst Particle & Nucl Phys, MTA KFKI RMKI, H-1525 Budapest, Hungary. [Hong, B.; Kim, B. I.; Kiss, A.; Lee, K. B.; Lee, K. S.; Park, S. K.; Park, W. J.; Sim, K. S.] Korea Univ, Seoul 136701, South Korea. [Fokin, S. L.; Kazantsev, A. V.; Manko, V. I.; Moukhanova, T. V.; Nyanin, A. S.; Peressounko, D. Yu.; Vinogradov, A. A.; Yushmanov, I. E.] Russian Res Ctr, Kurchatov Inst, Moscow 123098, Russia. [Aoki, K.; Dairaku, S.; Imai, K.; Karatsu, K.; Shoji, K.; Tanida, K.; Togawa, M.] Kyoto Univ, Kyoto 6068502, Japan. [Atomssa, E. T.; Drapier, O.; Fleuret, F.; Gonin, M.; de Cassagnac, R. Granier; Rakotozafindrabe, A.] Ecole Polytech, CNRS IN2P3, Lab Leprince Ringuet, F-91128 Palaiseau, France. [Enokizono, A.; Hartouni, E. P.; Heffner, M.; Newby, J.; Soltz, R. A.] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA. [Brooks, M. L.; Butsyk, S.; Camacho, C. M.; Constantin, P.; Kapustinsky, J.; Kunde, G. J.; Lee, D. M.; Leitch, M. J.; Liu, H.; Liu, M. X.; McGaughey, P. L.; Purwar, A. K.; Sondheim, W. E.; van Hecke, H. W.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA. [Roche, G.; Rosnet, P.] Univ Clermont Ferrand, LPC, CNRS IN2P3, F-63177 Clermont Ferrand, France. [Christiansen, P.; Gustafsson, H. -A.; Haslum, E.; Oskarsson, A.; Rosendahl, S. S. E.; Stenlund, E.] Lund Univ, Dept Phys, SE-22100 Lund, Sweden. [Mignerey, A. C.; Richardson, E.] Univ Maryland, College Pk, MD 20742 USA. [Aidala, C.; Datta, A.; Kawall, D.] Univ Massachusetts, Dept Phys, Amherst, MA 01003 USA. [Baumann, C.; Luechtenborg, R.; Reygers, K.; Sahlmueller, B.; Wessels, J.] Univ Munster, Inst Kernphys, D-48419 Munster, Germany. [Fadem, B.; Ide, J.] Muhlenberg Coll, Allentown, PA 18104 USA. [Joo, K. S.; Kim, D. H.] Myongji Univ, Yongin 449728, Kyonggido, South Korea. [Fusayasu, T.; Tanaka, Y.] Nagasaki Inst Appl Sci, Nagasaki 8510193, Japan. [Bassalleck, B.; Fields, D. E.; Kotchetkov, D.; Malik, M. D.; Thomas, T. L.; Younus, I.] Univ New Mexico, Albuquerque, NM 87131 USA. [Al-Bataineh, H.; Kyle, G. S.; Liu, H.; Papavassiliou, V.; Pate, S. F.; Wang, X. R.] New Mexico State Univ, Las Cruces, NM 88003 USA. [Awes, T. C.; Cianciolo, V.; Efremenko, Y. V.; Read, K. F.; Silvermyr, D.; Stankus, P. W.; Young, G. R.; Zhang, C.] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA. [Jouan, D.] Univ Paris 11, CNRS IN2P3, IPN Orsay, F-91406 Orsay, France. [Han, R.; Mao, Y.; You, Z.] Peking Univ, Beijing 100871, Peoples R China. [Baublis, V.; Ivanischev, D.; Khanzadeev, A.; Kochenda, L.; Komkov, B.; Riabov, V.; Riabov, Y.; Samsonov, V.; Vznuzdaev, E.] Petersburg Nucl Phys Inst, PNPI, Gatchina 188300, Leningrad Regio, Russia. [Akiba, Y.; Aoki, K.; Dairaku, S.; En'yo, H.; Fujiwara, K.; Fukao, Y.; Goto, Y.; Ichihara, T.; Ichimiya, R.; Imai, K.; Ishihara, M.; Isobe, T.; Kametani, S.; Karatsu, K.; Kawashima, M.; Kiss, A.; Kurita, K.; Kurosawa, M.; Mao, Y.; Miki, K.; Murata, J.; Nakagawa, I.; Nakano, K.; Onuki, Y.; Ouchida, M.; Sakashita, K.; Shibata, T. -A.; Shoji, K.; Taketani, A.; Tanida, K.; Togawa, M.; Watanabe, Y.; Yokkaichi, S.] RIKEN Nishina Ctr Accelerator Based Sci, Wako, Saitama 3510198, Japan. [Akiba, Y.; Bunce, G.; Deshpande, A.; En'yo, H.; Goto, Y.; Perdekamp, M. Grosse; Ichihara, T.; Kamihara, N.; Kawall, D.; Liebing, P.; Nakagawa, I.; Okada, K.; Taketani, A.; Tanida, K.; Watanabe, Y.; Xie, W.; Yokkaichi, S.] Brookhaven Natl Lab, RIKEN BNL Res Ctr, Upton, NY 11973 USA. [Kawashima, M.; Kurita, K.; Murata, J.] Rikkyo Univ, Dept Phys, Toshima Ku, Tokyo 1718501, Japan. [Berdnikov, A.; Berdnikov, Y.] St Petersburg State Polytech Univ, St Petersburg 195251, Russia. [Dietzsch, O.; Donadelli, M.; Leite, M. A. L.; Lenzi, B.; Silva, C. L.; Takagui, E. M.] Univ Sao Paulo, Inst Fis, BR-05315970 Sao Paulo, Brazil. [Kim, E.; Lee, K.; Park, J.] Seoul Natl Univ, Seoul, South Korea. [Ajitanand, N. N.; Alexander, J.; Chung, P.; Jia, J.; Lacey, R.; Taranenko, A.; Wei, R.] SUNY Stony Brook, Dept Chem, Stony Brook, NY 11794 USA. [Averbeck, R.; Bennett, R.; Boyle, K.; Campbell, S.; Chen, C. -H.; Citron, Z.; Connors, M.; Dahms, T.; Deshpande, A.; Dion, A.; Drees, A.; Durham, J. M.; Frantz, J. E.; Gong, H.; Hemmick, T. K.; Jacak, B. V.; Kamin, J.; McCumber, M.; Means, N.; Nguyen, M.; Pantuev, V.; Proissl, M.; Themann, H.; Toia, A.] SUNY Stony Brook, Dept Phys & Astron, Stony Brook, NY 11794 USA. [Garishvili, I.; Hamblen, J.; Hornback, D.; Read, K. F.; Sorensen, S. P.] Univ Tennessee, Knoxville, TN 37996 USA. [Nakano, K.; Sakashita, K.; Shibata, T. -A.] Tokyo Inst Technol, Dept Phys, Meguro Ku, Tokyo 1528551, Japan. [Chujo, T.; Esumi, S.; Ikeda, Y.; Inaba, M.; Konno, M.; Masui, H.; Miake, Y.; Miki, K.; Oka, M.; Sato, T.; Shimomura, M.; Tanabe, R.; Watanabe, K.] Univ Tsukuba, Inst Phys, Tsukuba, Ibaraki 305, Japan. [Belmont, R.; Danchev, I.; Greene, S. V.; Huang, S.; Issah, M.; Leitner, E.; Love, B.; Maguire, C. F.; Roach, D.; Valle, H.; Velkovska, J.] Vanderbilt Univ, Nashville, TN 37235 USA. [Sano, S.] Waseda Univ, Adv Res Inst Sci & Engn, Shinjuku Ku, Tokyo 1620044, Japan. [Fraenkel, Z.; Kozlov, A.; Naglis, M.; Ravinovich, I.; Sharma, D.; Tserruya, I.] Weizmann Inst Sci, IL-76100 Rehovot, Israel. [Bok, J. S.; Choi, I. J.; Kang, J. H.; Kim, S. H.; Kwon, Y.] Yonsei Univ, IPAP, Seoul 120749, South Korea. RP Adare, A (reprint author), Univ Colorado, Boulder, CO 80309 USA. EM jacak@skipper.physics.sunysb.edu RI Ramaiah, Parameswaran/B-5246-2012; En'yo, Hideto/B-2440-2015; Hayano, Ryugo/F-7889-2012; HAMAGAKI, HIDEKI/G-4899-2014; Durum, Artur/C-3027-2014; Sorensen, Soren /K-1195-2016; Yokkaichi, Satoshi/C-6215-2017; Taketani, Atsushi/E-1803-2017; Csanad, Mate/D-5960-2012; Wei, Feng/F-6808-2012; Csorgo, Tamas/I-4183-2012; Dahms, Torsten/A-8453-2015 OI Hayano, Ryugo/0000-0002-1214-7806; Sorensen, Soren /0000-0002-5595-5643; Taketani, Atsushi/0000-0002-4776-2315; Dahms, Torsten/0000-0003-4274-5476 FU Office of Nuclear Physics in the Office of Science of the Department of Energy; National Science Foundation; Abilene Christian University Research Council; Research Foundation of SUNY; College of Arts and Sciences, Vanderbilt University (U.S.A); Ministry of Education, Culture, Sports, Science, and Technology; Japan Society for the Promotion of Science (Japan); Conselho Nacional de Desenvolvimento Cientifico e Tecnologico; Fundacao de Amparo a Pesquisa do Estado de Sao Paulo (Brazil); Natural Science Foundation of China (P. R. China); Ministry of Education, Youth and Sports (Czech Republic); Centre National de la Recherche Scientifique; Commissariat a l'Energie Atomique; Institut National de Physique Nucleaire et de Physique des Particules (France); Ministry of Industry, Science and Tekhnologies; Bundesministerium fur Bildung und Forschung; Deutscher Akademischer Austausch Dienst; Alexander von Humboldt Stiftung (Germany); Hungarian National Science Fund, OTKA (Hungary); Department of Atomic Energy and Department of Science and Technology (India); Israel Science Foundation (Israel); National Research Foundation; WCU program of the Ministry Education Science and Technology (Korea); Ministry of Education and Science, Russian Academy of Sciences, Federal Agency of Atomic Energy (Russia); VR; Wallenberg Foundation (Sweden); U.S. Civilian Research and Development Foundation for the Independent States of the Former Soviet Union; US-Hungarian Fulbright Foundation for Educational Exchange; US-Israel Binational Science Foundation FX We thank the staff of the Collider-Accelerator and Physics Departments at Brookhaven National Laboratory and the staff of the other PHENIX participating institutions for their vital contributions. We acknowledge support from the Office of Nuclear Physics in the Office of Science of the Department of Energy, the National Science Foundation, Abilene Christian University Research Council, Research Foundation of SUNY, and Dean of the College of Arts and Sciences, Vanderbilt University (U.S.A), Ministry of Education, Culture, Sports, Science, and Technology and the Japan Society for the Promotion of Science (Japan), Conselho Nacional de Desenvolvimento Cientifico e Tecnologico and Fundacao de Amparo a Pesquisa do Estado de Sao Paulo (Brazil), Natural Science Foundation of China (P. R. China), Ministry of Education, Youth and Sports (Czech Republic), Centre National de la Recherche Scientifique, Commissariat a l'Energie Atomique, and Institut National de Physique Nucleaire et de Physique des Particules (France), Ministry of Industry, Science and Tekhnologies, Bundesministerium fur Bildung und Forschung, Deutscher Akademischer Austausch Dienst, and Alexander von Humboldt Stiftung (Germany), Hungarian National Science Fund, OTKA (Hungary), Department of Atomic Energy and Department of Science and Technology (India), Israel Science Foundation (Israel), National Research Foundation and WCU program of the Ministry Education Science and Technology (Korea), Ministry of Education and Science, Russian Academy of Sciences, Federal Agency of Atomic Energy (Russia), VR and the Wallenberg Foundation (Sweden), the U.S. Civilian Research and Development Foundation for the Independent States of the Former Soviet Union, the US-Hungarian Fulbright Foundation for Educational Exchange, and the US-Israel Binational Science Foundation. NR 33 TC 158 Z9 159 U1 7 U2 30 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 0031-9007 EI 1079-7114 J9 PHYS REV LETT JI Phys. Rev. Lett. PD DEC 14 PY 2011 VL 107 IS 25 AR 252301 DI 10.1103/PhysRevLett.107.252301 PG 7 WC Physics, Multidisciplinary SC Physics GA 862ZO UT WOS:000298132800005 PM 22243067 ER PT J AU Zhang, GH Gledenov, YM Khuukhenkhuu, G Sedysheva, MV Szalanski, PJ Koehler, PE Voronov, YN Liu, JM Liu, X Han, JH Chen, JX AF Zhang, Guohui Gledenov, Yu. M. Khuukhenkhuu, G. Sedysheva, M. V. Szalanski, P. J. Koehler, P. E. Voronov, Yu. N. Liu, Jiaming Liu, Xiang Han, Jinhua Chen, Jinxiang TI Sm-149(n, alpha)Nd-146 Cross Sections in the MeV Region SO PHYSICAL REVIEW LETTERS LA English DT Article ID N,ALPHA REACTIONS; ND-143; NEUTRONS AB We have measured the Sm-149(n, alpha)Nd-146 cross section at 4.5, 5.0, 5.5, 6.0, and 6.5 MeV. Measurements were performed at the 4.5 MV Van de Graaff accelerator of Peking University with monoenergetic neutrons produced via the H-2(d, n)He-3 reaction using a deuterium gas target. Alpha particles were detected with a double-section gridded ionization chamber having two back-to-back (Sm2O3)-Sm-149 samples attached to the common cathode. Absolute neutron flux was measured using a small U-238 fission chamber and monitored by a BF3 long counter. These are the first reported cross sections for this reaction at these energies, except at 6.0 eV, where our new data are in good agreement with our earlier result. The present results help to much better constrain the Sm-149(n, alpha)Nd-146 cross section in a region where its energy dependence is changing fairly rapidly and there are large differences between evaluated nuclear data libraries. C1 [Zhang, Guohui; Liu, Jiaming; Liu, Xiang; Han, Jinhua; Chen, Jinxiang] Peking Univ, Inst Heavy Ion Phys, State Key Lab Nucl Phys & Technol, Beijing 100871, Peoples R China. [Gledenov, Yu. M.; Sedysheva, M. V.; Voronov, Yu. N.] JINR, Frank Lab Neutron Phys, Dubna 141980, Russia. [Khuukhenkhuu, G.] Natl Univ Mongolia, Nucl Res Ctr, Ulaanbaatar, Mongol Peo Rep. [Szalanski, P. J.] Univ Lodz, Inst Phys, Lodz, Poland. [Koehler, P. E.] Oak Ridge Natl Lab, Div Phys, Oak Ridge, TN 37831 USA. RP Zhang, GH (reprint author), Peking Univ, Inst Heavy Ion Phys, State Key Lab Nucl Phys & Technol, Beijing 100871, Peoples R China. EM guohuizhang@pku.edu.cn RI Szalanski, Pawel/F-9428-2011; Liu, Xiang/D-2005-2017 OI Szalanski, Pawel/0000-0002-2047-7792; Liu, Xiang/0000-0002-2634-1888 FU National Natural Science Foundation of China [10875006]; Science and Technology on Nuclear Data Laboratory, China Nuclear Data Center; Russian Foundation for Basic Research (RFBR) [NSFC 07-02-92104]; Office of Nuclear Physics of the U.S. Department of Energy [DEAC05-00OR22725]; UT-Battelle, LLC FX Two anonymous reviewers are acknowledged for their insightful comments that improved this Letter. The authors are indebted to the operation team of the 4.5 MV Van de Graaff accelerator of Peking University. This work was financially supported by the National Natural Science Foundation of China (10875006), the Science and Technology on Nuclear Data Laboratory, China Nuclear Data Center, the Russian Foundation for Basic Research (RFBR-NSFC 07-02-92104), and the Office of Nuclear Physics of the U.S. Department of Energy under Contract No. DEAC05-00OR22725 with UT-Battelle, LLC. NR 13 TC 6 Z9 6 U1 0 U2 13 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 0031-9007 J9 PHYS REV LETT JI Phys. Rev. Lett. PD DEC 14 PY 2011 VL 107 IS 25 AR 252502 DI 10.1103/PhysRevLett.107.252502 PG 5 WC Physics, Multidisciplinary SC Physics GA 862ZO UT WOS:000298132800006 PM 22243069 ER PT J AU Pan, CL AF Pan, Chongle TI Measuring Dissociation Rate Constants of Protein Complexes through Subunit Exchange: Experimental Design and Theoretical Modeling SO PLOS ONE LA English DT Article ID MASS-SPECTROMETRY; QUANTITATIVE PROTEOMICS AB Protein complexes are dynamic macromolecules that constantly dissociate into, and simultaneously are assembled from, free subunits. Dissociation rate constants, koff, provide structural and functional information on protein complexes. However, because all existing methods for measuring koff require high-quality purification and specific modifications of protein complexes, dissociation kinetics has only been studied for a small set of model complexes. Here, we propose a new method, called Metabolically-labeled Affinity-tagged Subunit Exchange (MASE), to measure koff using metabolic stable isotope labeling, affinity purification and mass spectrometry. MASE is based on a subunit exchange process between an unlabeled affinity-tagged variant and a metabolically-labeled untagged variant of a complex. The subunit exchange process was modeled theoretically for a heterodimeric complex. The results showed that koff determines, and hence can be estimated from, the observed rate of subunit exchange. This study provided the theoretical foundation for future experiments that can validate and apply the MASE method. C1 [Pan, Chongle] Oak Ridge Natl Lab, Comp Sci & Math Div, Oak Ridge, TN 37831 USA. [Pan, Chongle] Oak Ridge Natl Lab, BioSci Div, Oak Ridge, TN USA. RP Pan, CL (reprint author), Oak Ridge Natl Lab, Comp Sci & Math Div, Oak Ridge, TN 37831 USA. EM panc@ornl.gov FU United States Department of Energy, Office of Science, Biological and Environmental Research; U.S. Department of Energy [DE-AC05-00OR22725] FX This research was sponsored by the Genomic Science Program, United States Department of Energy, Office of Science, Biological and Environmental Research. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.; W. Hayes McDonald, Gregory B. Hurst and Dale A. Pelletier are thanked for very helpful discussions. Oak Ridge National Laboratory is managed by UT-Battelle, LLC, for the U.S. Department of Energy under contract DE-AC05-00OR22725. NR 17 TC 1 Z9 1 U1 0 U2 0 PU PUBLIC LIBRARY SCIENCE PI SAN FRANCISCO PA 185 BERRY ST, STE 1300, SAN FRANCISCO, CA 94107 USA SN 1932-6203 J9 PLOS ONE JI PLoS One PD DEC 14 PY 2011 VL 6 IS 12 AR e28827 DI 10.1371/journal.pone.0028827 PG 5 WC Multidisciplinary Sciences SC Science & Technology - Other Topics GA 866GS UT WOS:000298369100108 PM 22194924 ER PT J AU Riscassi, AL Scanlon, TM AF Riscassi, Ami L. Scanlon, Todd M. TI Controls on stream water dissolved mercury in three mid-Appalachian forested headwater catchments SO WATER RESOURCES RESEARCH LA English DT Article ID SHENANDOAH NATIONAL-PARK; SOIL ORGANIC-MATTER; WESTERN NEW-YORK; HUMIC SUBSTANCES; ATMOSPHERIC DEPOSITION; ADIRONDACK LAKES; REDUCED SULFUR; ULTRAVIOLET ABSORBENCY; CHEMICAL-COMPOSITION; NORTHEASTERN USA AB Determining the controls on dissolved mercury (Hg(D)) transport is necessary to improve estimations of export from unmonitored watersheds and to forecast responses to changes in deposition and other environmental forcings. Stream water Hg(D) and dissolved organic carbon (DOC) were evaluated over a range of discharge conditions in three streams within Shenandoah National Park, VA. Watersheds are distinguished by stream water pH (ranging from neutral to acidic) and soil size fractioning (ranging from clays to sands). At all sites, discharge was a significant but poor predictor of Hg(D) concentrations (r(2) from 0.13-0.52). Hg(D) was strongly coupled with DOC at all sites (r(2) from 0.74-0.89). UV absorbance at 254 nm (UV(254)), a proxy for DOC quantity and quality, slightly improved the predictions of Hg(D). Mean DOC quality differed between streams, with less aromatic DOC mobilized from the more acidic watershed. The site with less aromatic DOC and sandy soils mobilized more Hg to the stream for the same quantity and quality of DOC, likely due to the reduced capacity of the larger-grained soils to retain Hg, leaving a greater fraction associated with the organic matter. A similar amount of 0.54 ng Hg(D)/mg DOC is transported at all sites, suggesting the less aromatic DOC transports less Hg per unit DOC, offsetting the effects of soil type. This research demonstrates that soil composition and DOC quality influence Hg(D) export. We also provide evidence that soil organic carbon is a primary control on Hg-DOC ratios (0.12-1.4 ng mg(-1)) observed across the U. S. and Sweden. C1 [Riscassi, Ami L.; Scanlon, Todd M.] Univ Virginia, Dept Environm Sci, Charlottesville, VA 22904 USA. RP Riscassi, AL (reprint author), Oak Ridge Natl Lab, Div Environm Sci, POB 2008, Oak Ridge, TN 37831 USA. EM riscassial@ornl.gov FU Environmental Protection Agency (EPA) [EPA-STAR- FP916941]; National Science Foundation (NSF) [EAR-0645697]; National Park Service; U.S. Environmental Protection Agency; U.S.D.A. Forest Service; VA Department of Game and Inland Fisheries; Trout Unlimited FX Funding was provided by the Environmental Protection Agency (EPA) Science to Achieve Results (STAR) graduate fellowship (EPA-STAR-FP916941) to A. L. R. and a National Science Foundation (NSF) Hydrologic Science Program grant (EAR-0645697) to T. M. S. This research is a contribution to the Shenandoah Watershed Study and the VA Trout Stream Sensitivity Study. Funding and support for these programs has been provided by the National Park Service, the U.S. Environmental Protection Agency, the U.S.D.A. Forest Service, the VA Department of Game and Inland Fisheries, and Trout Unlimited. Susie Maben and Frank Deviney of the Shenandoah Watershed Study provided assistance in the field as well as discharge data for all sites. We thank Mark Brigham, Jason Demers, Jason Dittman, Karen Eklof, Sarah Nelson, Alisa Mast, Pranesh Selvendiran, and Jamie Shanley for providing or directing us to data used in the site comparisons; this publication has not been reviewed by those scientists. The authors also acknowledge three anonymous reviewers for their insightful comments, which improved the quality of the manuscript. The U. S. EPA has not officially endorsed this publication and the views expressed herein may not reflect the views of the EPA. NR 104 TC 16 Z9 16 U1 1 U2 33 PU AMER GEOPHYSICAL UNION PI WASHINGTON PA 2000 FLORIDA AVE NW, WASHINGTON, DC 20009 USA SN 0043-1397 J9 WATER RESOUR RES JI Water Resour. Res. PD DEC 14 PY 2011 VL 47 AR W12512 DI 10.1029/2011WR010977 PG 16 WC Environmental Sciences; Limnology; Water Resources SC Environmental Sciences & Ecology; Marine & Freshwater Biology; Water Resources GA 864QY UT WOS:000298256100003 ER PT J AU Subramanyan, K Diwekar, U Zitney, SE AF Subramanyan, Karthik Diwekar, Urmila Zitney, Stephen E. TI Stochastic modeling and multi-objective optimization for the APECS system SO COMPUTERS & CHEMICAL ENGINEERING LA English DT Article DE Stochastic modeling; Multi-objective optimization; Clean coal technologies; Energy systems ID EFFICIENT SAMPLING TECHNIQUE; RIDGE REGRESSION; UNCERTAINTY; DESIGN; SIMULATION; CRITERIA AB The Advanced Process Engineering Co-Simulator (APECS), developed at the U.S. Department of Energy's (DOE) National Energy Technology Laboratory, is an integrated software suite that enables the process and energy industries to optimize overall plant performance with respect to complex thermal and fluid flow phenomena. The APECS system uses the process-industry standard CAPE-OPEN (CO) interfaces to combine equipment models and commercial process simulation software with powerful analysis and virtual engineering tools. The focus of this paper is the CO-compliant stochastic modeling and multi-objective optimization capabilities provided in the APECS system for process optimization under uncertainty and multiple and sometimes conflicting objectives. The usefulness of these advanced analysis capabilities is illustrated using a simulation and multi-objective optimization of an advanced coal-fired, gasification-based, zero-emissions electricity and hydrogen generation facility with carbon capture. (C) 2011 Elsevier Ltd. All rights reserved. C1 [Subramanyan, Karthik; Diwekar, Urmila] Vishwamitra Res Inst, Ctr Uncertain Syst Tools Optimizat & Management, Clarendon Hills, IL 60514 USA. [Zitney, Stephen E.] Natl Energy Technol Lab, Morgantown, WV 26507 USA. RP Diwekar, U (reprint author), Vishwamitra Res Inst, Ctr Uncertain Syst Tools Optimizat & Management, Clarendon Hills, IL 60514 USA. EM urmila@vri-custom.org FU National Energy Technology Laboratory, NETL, Department of Energy FX This work was funded by the National Energy Technology Laboratory, NETL, Department of Energy. NR 45 TC 3 Z9 3 U1 0 U2 6 PU PERGAMON-ELSEVIER SCIENCE LTD PI OXFORD PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND SN 0098-1354 J9 COMPUT CHEM ENG JI Comput. Chem. Eng. PD DEC 14 PY 2011 VL 35 IS 12 BP 2667 EP 2679 DI 10.1016/j.compchemeng.2011.02.003 PG 13 WC Computer Science, Interdisciplinary Applications; Engineering, Chemical SC Computer Science; Engineering GA 846BI UT WOS:000296871800008 ER PT J AU Dolph, PAM Singh, J Averett, T Kelleher, A Mooney, KE Nelyubin, V Tobias, WA Wojtsekhowski, B Cates, GD AF Dolph, P. A. M. Singh, J. Averett, T. Kelleher, A. Mooney, K. E. Nelyubin, V. Tobias, W. A. Wojtsekhowski, B. Cates, G. D. TI Gas dynamics in high-luminosity polarized He-3 targets using diffusion and convection SO PHYSICAL REVIEW C LA English DT Article ID GASEOUS HE-3; NEUTRON POLARIZATION; SPIN RELAXATION; HIGH-DENSITY; EXCHANGE; XE-129; LASER; HE3 AB The dynamics of the movement of gas is discussed for two-chambered polarized He-3 target cells of the sort that have been used successfully for many electron-scattering experiments. A detailed analysis is presented showing that diffusion is a limiting factor in target performance, particularly as these targets are run at increasingly high luminosities. Measurements are presented on a new prototype polarized He-3 target cell in which the movement of gas is due largely to convection instead of diffusion. Nuclear magnetic resonance tagging techniques have been used to visualize the gas flow, showing velocities along a cylindrically shaped target of between 5 and 80 cm/min. The new target design addresses one of the principle obstacles to running polarized He-3 targets at substantially higher luminosities while simultaneously providing new flexibility in target geometry. C1 [Dolph, P. A. M.; Singh, J.; Mooney, K. E.; Nelyubin, V.; Tobias, W. A.; Cates, G. D.] Univ Virginia, Charlottesville, VA 22903 USA. [Singh, J.] Argonne Natl Lab, Argonne, IL 60439 USA. [Averett, T.; Kelleher, A.] Coll William & Mary, Williamsburg, VA 23187 USA. [Kelleher, A.] MIT, Cambridge, MA 02139 USA. [Wojtsekhowski, B.] Thomas Jefferson Natl Accelerator Facil, Newport News, VA 23606 USA. RP Dolph, PAM (reprint author), Univ Virginia, Charlottesville, VA 22903 USA. EM cates@virginia.edu RI Singh, Jaideep/H-2346-2013 OI Singh, Jaideep/0000-0002-4810-4824 FU US Department of Energy [DE-FG02-01ER41168, DE-AC05-060R23177] FX This work was supported by the US Department of Energy under Contract No. DE-FG02-01ER41168 and No. DE-AC05-060R23177. Jefferson Science Associates, LLC, operates Jefferson Lab for the US DOE under US DOE Contract No. DE-AC05-060R23177. We also thank Michael Souza of Princeton University for his patience and expert glass blowing. NR 40 TC 8 Z9 8 U1 0 U2 2 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 0556-2813 J9 PHYS REV C JI Phys. Rev. C PD DEC 13 PY 2011 VL 84 IS 6 AR 065201 DI 10.1103/PhysRevC.84.065201 PG 13 WC Physics, Nuclear SC Physics GA 862YQ UT WOS:000298130400004 ER PT J AU Nenoff, TM Jacobs, BW Robinson, DB Provencio, PP Huang, JY Ferreira, S Hanson, DJ AF Nenoff, Tina M. Jacobs, Benjamin W. Robinson, David B. Provencio, Paula P. Huang, Jianyu Ferreira, Summer Hanson, Donald J. TI Synthesis and Low Temperature In Situ Sintering of Uranium Oxide Nanoparticles SO CHEMISTRY OF MATERIALS LA English DT Article DE radiolysis; uranium oxide; UO(2); sintering; nanoparticle ID POWDERS; NANOALLOYS; OXIDATION; CLUSTERS; UO2 AB The recycling and reuse of uranyl salt solutions produced from the acid dissolution of spent nuclear fuels is of particular interest for the reprocessing of nuclear fuels. The ability to utilize these dissolved salts as precursors for bulk UO(2) defines a materials pathway for the reduction of nuclear waste destined for long-term repository storage. We present a room temperature (RT) synthesis of uranium dioxide nanoparticles (NPs) in acidic solutions, whose small size and uniform shape allow for dramatic decreases in sintering temperature. Gamma irradiation is a valuable method for the synthesis of a wide range of metal-based NPs. Here it has been successfully used to form (depleted) uranium oxide (d-UO(2)) NPs. In particular, this study focuses on the reaction dependency of solution pH and reaction dose on the shapes, sizes, yield, and properties of the products. The thermal stability and sintering behavior of the d-UO(2) NPs is studied utilizing transmission electron microscopy (TEM) with an in situ heating stage. These d-UO2 NPs exhibit sintering temperatures in the range of 500 degrees C-600 degrees C, which is between 700-1000 degrees C lower than reported bulk UO(2) sintering temperatures. Detailed characterization results from UV-vis spectroscopy, TEM, and in situ heating stage TEM are presented for the reaction solutions, the RT NP products, and the sintered NPs. C1 [Nenoff, Tina M.; Ferreira, Summer] Sandia Natl Labs, Dept Surface & Interface Sci, MS 1415, Albuquerque, NM 87185 USA. [Provencio, Paula P.; Huang, Jianyu] Sandia Natl Labs, Ctr Integrated Nanotechnol, MS 1314, Albuquerque, NM 87185 USA. [Hanson, Donald J.] Sandia Natl Labs, Dept Hot Cells & Gamma Facil, MS 1143, Albuquerque, NM 87185 USA. [Jacobs, Benjamin W.; Robinson, David B.] Sandia Natl Labs, Dept Energy Nanomat, MS 9291, Livermore, CA 94551 USA. RP Nenoff, TM (reprint author), Sandia Natl Labs, Dept Surface & Interface Sci, MS 1415, POB 5800, Albuquerque, NM 87185 USA. EM tmnenof@sandia.gov RI Huang, Jianyu/C-5183-2008 FU Sandia's Laboratory Directed Research and Development (LDRD) FX We acknowledge financial support from Sandia's Laboratory Directed Research and Development (LDRD) program. NR 21 TC 33 Z9 33 U1 6 U2 68 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0897-4756 J9 CHEM MATER JI Chem. Mat. PD DEC 13 PY 2011 VL 23 IS 23 BP 5185 EP 5190 DI 10.1021/cm2020669 PG 6 WC Chemistry, Physical; Materials Science, Multidisciplinary SC Chemistry; Materials Science GA 855XD UT WOS:000297598700010 ER PT J AU Lay, EH Shao, XM AF Lay, E. H. Shao, X. -M. TI Multi-station probing of thunderstorm-generated D-layer fluctuations by using time-domain lightning waveforms SO GEOPHYSICAL RESEARCH LETTERS LA English DT Article ID VLF; IONOSPHERE AB This study uses multi-station time-domain very-low and low-frequency (VLF/LF) lightning waveforms detected from a range of several hundred kilometers to probe fluctuations in D-layer ionospheric height and peak reflection ratio in three regions near a large thunderstorm on the night of 17 June 2005. These measurements show propagation of the fluctuations away from the thunderstorm in addition to a background eastward-propagating fluctuation over the entire region. Measured speeds of propagation range from similar to 45 m/s to similar to 85 m/s, consistent with horizontal propagation speeds of atmospheric gravity waves. The fluctuation propagation is seen in both the ionospheric height measurement and the peak reflection ratio measurement with similar periods and speeds. Ionospheric height perturbations in the measured regions can be as large as 6 km from average, and perturbations in peak reflection ratio can be as large at 100%. Citation: Lay, E. H., and X.-M. Shao (2011), Multi-station probing of thunderstorm-generated D-layer fluctuations by using time-domain lightning waveforms, Geophys. Res. Lett., 38, L23806, doi: 10.1029/2011GL049790. C1 [Lay, E. H.; Shao, X. -M.] Los Alamos Natl Lab, Space & Remote Sensing Grp, Los Alamos, NM 87545 USA. RP Lay, EH (reprint author), Los Alamos Natl Lab, Space & Remote Sensing Grp, MS D436, Los Alamos, NM 87545 USA. EM elay@lanl.gov; xshao@lanl.gov OI Lay, Erin/0000-0002-1310-9035 FU Los Alamos National Laboratory [20110184ER] FX This research was supported by the Los Alamos National Laboratory's Laboratory Directed Research and Development (LDRD) project 20110184ER. NR 18 TC 10 Z9 10 U1 1 U2 4 PU AMER GEOPHYSICAL UNION PI WASHINGTON PA 2000 FLORIDA AVE NW, WASHINGTON, DC 20009 USA SN 0094-8276 J9 GEOPHYS RES LETT JI Geophys. Res. Lett. PD DEC 13 PY 2011 VL 38 AR L23806 DI 10.1029/2011GL049790 PG 4 WC Geosciences, Multidisciplinary SC Geology GA 864SR UT WOS:000298260900005 ER PT J AU Spasojevic, M Blum, LW MacDonald, EA Fuselier, SA Golden, DI AF Spasojevic, M. Blum, L. W. MacDonald, E. A. Fuselier, S. A. Golden, D. I. TI Correspondence between a plasma-based EMIC wave proxy and subauroral proton precipitation SO GEOPHYSICAL RESEARCH LETTERS LA English DT Article ID ION-CYCLOTRON WAVES; GEOMAGNETIC STORMS; MAGNETIC-FIELD; MAGNETOSPHERE; SPACECRAFT; REGION; MODEL AB The loss of relativistic electrons from the Earth's radiation belts as a result of resonant interactions with electromagnetic ion cyclotron waves (EMIC) waves has yet to be fully quantified, in part, due to the lack of global measurements of the wave distribution during individual storm events. Recent work has focused on augmenting direct wave measurements with proxy wave indicators. Here we compare two different techniques for inferring the presence of EMIC waves: 1) a wave-growth proxy and amplitude estimate based on in situ plasma measurements of the cold and hot ion distributions, and 2) FUV observations of subauroral proton precipitation, which is thought to result from interactions with EMIC waves. For two event intervals, we show good correspondence between proxy predictions of wave growth, calculated using measurements from geostationary spacecraft, and precipitation observed at the northern hemisphere ionospheric footprint. Further, for times when the proxy is positive, we observe a moderate positive correlation (r = 0.56) between the predicted wave amplitude and the mean FUV brightness in a 300-km circle about the footprint. Further development and verification of these techniques will enhance our ability to infer the global distribution of EMIC waves when direct measurements are not available. Citation: Spasojevic, M., L. W. Blum, E. A. MacDonald, S. A. Fuselier, and D. I. Golden (2011), Correspondence between a plasma-based EMIC wave proxy and subauroral proton precipitation, Geophys. Res. Lett., 38, L23102, doi: 10.1029/2011GL049735. C1 [Spasojevic, M.; Golden, D. I.] Stanford Univ, Space Telecommun & Radiosci Lab, Stanford, CA 94305 USA. [Blum, L. W.] Univ Colorado, Atmospher & Space Phys Lab, Boulder, CO 80303 USA. [Spasojevic, M.; Fuselier, S. A.] Lockheed Martin Adv Technol Ctr, Palo Alto, CA 94304 USA. [MacDonald, E. A.] Los Alamos Natl Lab, Los Alamos, NM 87544 USA. RP Spasojevic, M (reprint author), Stanford Univ, Space Telecommun & Radiosci Lab, Stanford, CA 94305 USA. EM mariaspasojevic@stanford.edu OI Blum, Lauren/0000-0002-4797-5476 FU NASA [NNX07AG52G]; NSF [ATM-0842388]; Radiation Belt Storm Probes Energetic particle, Composition, and Thermal plasma science investigation under NASA [923497]; U.S. Department of Energy (DOE) FX The work at Lockheed Martin was support by NASA award NNX07AG52G. The work at University of Colorado, Boulder was supported by NSF ATM-0842388. The work at Los Alamos was supported by the Radiation Belt Storm Probes Energetic particle, Composition, and Thermal plasma science investigation under NASA contract award 923497 and was performed under the auspices of the U.S. Department of Energy (DOE). NR 32 TC 11 Z9 11 U1 0 U2 1 PU AMER GEOPHYSICAL UNION PI WASHINGTON PA 2000 FLORIDA AVE NW, WASHINGTON, DC 20009 USA SN 0094-8276 EI 1944-8007 J9 GEOPHYS RES LETT JI Geophys. Res. Lett. PD DEC 13 PY 2011 VL 38 AR L23102 DI 10.1029/2011GL049735 PG 5 WC Geosciences, Multidisciplinary SC Geology GA 864SR UT WOS:000298260900003 ER PT J AU Yin, BS Min, QL Duan, MZ Bartholomew, MJ Vogelmann, AM Turner, DD AF Yin, Bangsheng Min, Qilong Duan, Minzheng Bartholomew, M. J. Vogelmann, A. M. Turner, D. D. TI Retrievals of cloud optical depth and effective radius from Thin-Cloud Rotating Shadowband Radiometer measurements SO JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES LA English DT Article ID EMITTED RADIANCE INTERFEROMETER; AEROSOL; INSTRUMENT; AUREOLE; LIDAR AB A Thin-Cloud Rotating Shadowband Radiometer (TCRSR) was developed and deployed in a field test at the Atmospheric Radiation Measurement Climate Research Facility's Southern Great Plains site. The TCRSR measures the forward-scattering lobe of the direct solar beam (i.e., the solar aureole) through an optically thin cloud (optical depth < 8). We applied the retrieval algorithm of Min and Duan (2005) to the TCRSR measurements of the solar aureole to derive simultaneously the cloud optical depth (COD) and cloud drop effective radius (DER), subsequently inferring the cloud liquid-water path (LWP). After careful calibration and preprocessing, our results indicate that the TCRSR is able to retrieve simultaneously these three properties for optically thin water clouds. Colocated instruments, such as the MultiFilter Rotating Shadowband Radiometer (MFRSR), atmospheric emitted radiance interferometer (AERI), and Microwave Radiometer (MWR), are used to evaluate our retrieval results. The relative difference between retrieved CODs from the TCRSR and those from the MFRSR is less than 5%. The distribution of retrieved LWPs from the TCRSR is similar to those from the MWR and AERI. The differences between the TCRSR-based retrieved DERs and those from the AERI are apparent in some time periods, and the uncertainties of the DER retrievals are discussed in detail in this article. C1 [Yin, Bangsheng; Min, Qilong] SUNY Albany, Atmospher Sci Res Ctr, Albany, NY 12203 USA. [Duan, Minzheng] Chinese Acad Sci, Lab Middle Atmosphere & Global Environm Observat, Inst Atmospher Phys, Beijing 100029, Peoples R China. [Bartholomew, M. J.; Vogelmann, A. M.] Brookhaven Natl Lab, Upton, NY 11973 USA. [Turner, D. D.] NOAA, Natl Severe Storms Lab, Norman, OK 73072 USA. [Turner, D. D.] Univ Wisconsin Madison, Atmospher & Ocean Sci Dept, Madison, WI USA. RP Yin, BS (reprint author), SUNY Albany, Atmospher Sci Res Ctr, 251 Fuller Rd, Albany, NY 12203 USA. EM min@asrc.albany.edu RI Vogelmann, Andrew/M-8779-2014 OI Vogelmann, Andrew/0000-0003-1918-5423 FU U.S. Department of Energy (Office of Science, OBER) [DE-FG02-03ER63531]; NOAA; Minority Serving Institutions (EPP/MSI) [NA17AE1625, NA17AE1623]; [DE-AC02-98CH10886]; [DE-FG02-08ER64538] FX We thank R. M. Reynolds for his assistance in examining the sweep behavior. The data used in these analyses were from the U.S. Department of Energy's ACRF site at the SGP. This work was supported by the U.S. Department of Energy's Atmospheric System Research program (Office of Science, OBER) under contract DE-FG02-03ER63531 and by the NOAA Educational Partnership Program with Minority Serving Institutions (EPP/MSI) under cooperative agreements NA17AE1625 and NA17AE1623; contributions from M.J.B. and A. M. V. were supported by DE-AC02-98CH10886, and contributions from D. D. T. were supported by DE-FG02-08ER64538. NR 21 TC 3 Z9 3 U1 2 U2 5 PU AMER GEOPHYSICAL UNION PI WASHINGTON PA 2000 FLORIDA AVE NW, WASHINGTON, DC 20009 USA SN 2169-897X EI 2169-8996 J9 J GEOPHYS RES-ATMOS JI J. Geophys. Res.-Atmos. PD DEC 13 PY 2011 VL 116 AR D23208 DI 10.1029/2011JD016192 PG 9 WC Meteorology & Atmospheric Sciences SC Meteorology & Atmospheric Sciences GA 864QB UT WOS:000298253700003 ER PT J AU Rodolakis, F Rueff, JP Sikora, M Alliot, I Itie, JP Baudelet, F Ravy, S Wzietek, P Hansmann, P Toschi, A Haverkort, MW Sangiovanni, G Held, K Metcalf, P Marsi, M AF Rodolakis, F. Rueff, J. -P. Sikora, M. Alliot, I. Itie, J. -P. Baudelet, F. Ravy, S. Wzietek, P. Hansmann, P. Toschi, A. Haverkort, M. W. Sangiovanni, G. Held, K. Metcalf, P. Marsi, M. TI Evolution of the electronic structure of a Mott system across its phase diagram: X-ray absorption spectroscopy study of (V1-xCrx)(2)O-3 SO PHYSICAL REVIEW B LA English DT Article ID BODY DISTRIBUTION-FUNCTIONS; ORBITAL OCCUPATION; CONDENSED MATTER; DOPED V2O3; TRANSITION; SPECTROMICROSCOPY; SCATTERING; SPIN AB V2O3 is an archetypal system for the study of correlation-induced, Mott-Hubbard metal-insulator transitions. Despite decades of extensive investigations, the accurate description of its electronic properties remains an open problem in the physics of strongly correlated materials, also because of the lack of detailed experimental data on its electronic structure over the whole phase diagram. We present here a high-resolution x-ray absorption spectroscopy study at the V K edge of (V1-xCrx)(2)O-3 to probe its electronic structure as a function of temperature, doping, and pressure, providing an accurate picture of the electronic changes over the whole phase diagram. We also discuss the relevance of the parallel evolution of the lattice parameters, determined with x-ray diffraction. This allows us to draw two conclusions of general interest: First, the transition under pressure presents peculiar properties, related to a more continuous evolution of the lattice and electronic structure; second, the lattice mismatch is a good parameter describing the strength of the first-order transition, and is consequently related to the tendency of the system toward the coexistence of different phases. Our results show that the evolution of the electronic structure while approaching a phase transition, and not only while crossing it, is also a key element to unveil the underlying physical mechanisms of Mott materials. C1 [Rodolakis, F.; Wzietek, P.; Marsi, M.] Univ Paris 11, CNRS UMR 8502, Phys Solides Lab, FR-91405 Orsay, France. [Rodolakis, F.; Rueff, J. -P.; Itie, J. -P.; Baudelet, F.; Ravy, S.] Synchrotron SOLEIL, FR-91192 Gif Sur Yvette, France. [Rueff, J. -P.] Univ Paris 06, CNRS UMR 7614, Lab Chim Phys Mat & Rayonnement, FR-75005 Paris, France. [Sikora, M.; Alliot, I.] ESRF, FR-38043 Grenoble, France. [Sikora, M.] AGH Univ Sci & Technol, Krakow, Poland. [Alliot, I.] CEA DSM INAC NRS, FR-38000 Grenoble, France. [Hansmann, P.; Toschi, A.; Sangiovanni, G.; Held, K.] Vienna Univ Technol, Inst Solid State Phys, AT-1040 Vienna, Austria. [Haverkort, M. W.] Max Planck Inst Festkorperforsch, DE-70569 Stuttgart, Germany. [Metcalf, P.] Purdue Univ, Dept Chem, W Lafayette, IN 47907 USA. RP Rodolakis, F (reprint author), Argonne Natl Lab, Div Mat Sci, 9700 S Cass Ave, Argonne, IL 60439 USA. RI Haverkort, Maurits W./D-2319-2009; Sikora, Marcin/F-9998-2010; Sangiovanni, Giorgio/L-5893-2013; Hansmann, Philipp/L-5912-2013; Beamline, FAME/G-9313-2012; Held, Karsten/O-4178-2015; Rueff, Jean-Pascal/D-8938-2016; Toschi, Alessandro/C-6310-2017 OI Haverkort, Maurits W./0000-0002-7216-3146; Sikora, Marcin/0000-0003-4491-3496; Sangiovanni, Giorgio/0000-0003-2218-2901; Held, Karsten/0000-0001-5984-8549; Rueff, Jean-Pascal/0000-0003-3594-918X; Toschi, Alessandro/0000-0001-5669-3377 FU RTRA "Triangle de la Physique"; BQR of the Universite Paris-Sud FX We acknowledge partial financial support from the RTRA "Triangle de la Physique" and from a BQR of the Universite Paris-Sud. NR 33 TC 11 Z9 11 U1 0 U2 16 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1098-0121 J9 PHYS REV B JI Phys. Rev. B PD DEC 13 PY 2011 VL 84 IS 24 AR 245113 DI 10.1103/PhysRevB.84.245113 PG 10 WC Physics, Condensed Matter SC Physics GA 862TA UT WOS:000298115800006 ER PT J AU Yao, YX Schmalian, J Wang, CZ Ho, KM Kotliar, G AF Yao, Y. X. Schmalian, J. Wang, C. Z. Ho, K. M. Kotliar, G. TI Comparative study of the electronic and magnetic properties of BaFe2As2 and BaMn2As2 using the Gutzwiller approximation SO PHYSICAL REVIEW B LA English DT Article ID IRON PNICTIDES; SUPERCONDUCTIVITY; SYSTEMS; CHALCOGENIDES; TRANSITION; SPECTRA AB To elucidate the role played by the transition-metal ion in the pnictide materials, we compare the electronic and magnetic properties of BaFe2As2 with BaMn2As2. To this end we employ the LDA + Gutzwiller method to analyze the mass renormalizations and the size of the ordered magnetic moment of the two systems. We study a model that contains all five transition-metal 3d orbitals together with the Ba 5d and As 4p states (ddp-model) and compare these results with a downfolded model that consists of Fe/Mn d states only (d-model). Electronic correlations are treated using the multiband Gutzwiller approximation. The paramagnetic phase has also been investigated using the LDA + Gutzwiller method with electron density self-consistency. The renormalization factors for the correlated Mn 3d orbitals in the paramagnetic phase of BaMn2As2 are shown to be generally smaller than those of BaFe2As2, which indicates that BaMn2As2 has stronger electron correlation effect than BaFe2As2. The screening effect of the main As 4p electrons to the correlated Fe/Mn 3d electrons is evident by the systematic shift of the results to the larger Hund's rule coupling J side from the ddp-model compared with those from the d-model. A gradual transition from paramagnetic state to the antiferromagnetic ground state with increasing J is obtained for the models of BaFe2As2 which has a small experimental magnetic moment, while a rather sharp jump occurs for the models of BaMn2As2, which has a large experimental magnetic moment. The key difference between the two systems is shown to be the d-level occupation. BaMn2As2, with approximately five d electrons per Mn atom, is for the same values of the electron correlations closer to the transition to a Mott insulating state than BaFe2As2. Here an orbitally selective Mott transition, required for a system with close to six electrons, only occurs at significantly larger values for the Coulomb interactions. C1 [Yao, Y. X.; Schmalian, J.; Wang, C. Z.; Ho, K. M.] Iowa State Univ, Ames Lab, US DOE, Ames, IA 50011 USA. [Yao, Y. X.; Schmalian, J.; Wang, C. Z.; Ho, K. M.] Iowa State Univ, Dept Phys & Astron, Ames, IA 50011 USA. [Schmalian, J.] Karlsruhe Inst Technol, Inst Theory Condensed Matter, D-76131 Karlsruhe, Germany. [Kotliar, G.] Rutgers State Univ, Dept Phys & Astron, Piscataway, NJ 08854 USA. RP Yao, YX (reprint author), Iowa State Univ, Ames Lab, US DOE, Ames, IA 50011 USA. RI Schmalian, Joerg/H-2313-2011; Yao, Yongxin/B-7320-2008 FU US Department of Energy, Office of Basic Energy Science, Division of Materials Science and Engineering [DE-AC02-07CH11358] FX This work was supported by the US Department of Energy, Office of Basic Energy Science, Division of Materials Science and Engineering, including a grant of computer time at the National Energy Research Supercomputing Center (NERSC) at the Lawrence Berkeley National Laboratory under Contract No. DE-AC02-07CH11358. NR 52 TC 16 Z9 16 U1 0 U2 23 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1098-0121 J9 PHYS REV B JI Phys. Rev. B PD DEC 13 PY 2011 VL 84 IS 24 AR 245112 DI 10.1103/PhysRevB.84.245112 PG 9 WC Physics, Condensed Matter SC Physics GA 862TA UT WOS:000298115800005 ER PT J AU Lin, CH Berlijn, T Wang, LM Lee, CC Yin, WG Ku, W AF Lin, Chia-Hui Berlijn, Tom Wang, Limin Lee, Chi-Cheng Yin, Wei-Guo Ku, Wei TI One-Fe versus Two-Fe Brillouin Zone of Fe-Based Superconductors: Creation of the Electron Pockets by Translational Symmetry Breaking SO PHYSICAL REVIEW LETTERS LA English DT Article ID MAGNETISM AB We investigate the physical effects of translational symmetry breaking in Fe-based high-temperature superconductors due to alternating anion positions. In the representative parent compounds, including the newly discovered Fe-vacancy-ordered K0.8Fe1.6Se2, an unusual change of orbital character is found across the one-Fe Brillouin zone upon unfolding the first-principles band structure and Fermi surfaces, suggesting that covering a larger one-Fe Brillouin zone is necessary in experiments. Most significantly, the electron pockets (critical to the magnetism and superconductivity) are found only created with broken symmetry, advocating strongly its full inclusion in future studies, particularly on the debated nodal structures of the superconducting order parameter. C1 [Lin, Chia-Hui; Berlijn, Tom; Wang, Limin; Lee, Chi-Cheng; Yin, Wei-Guo; Ku, Wei] Brookhaven Natl Lab, Condensed Matter Phys & Mat Sci Dept, Upton, NY 11973 USA. [Lin, Chia-Hui; Berlijn, Tom; Ku, Wei] SUNY Stony Brook, Dept Phys & Astron, Stony Brook, NY 11794 USA. RP Lin, CH (reprint author), Brookhaven Natl Lab, Condensed Matter Phys & Mat Sci Dept, Upton, NY 11973 USA. EM weiku@bnl.gov RI LIN, CHIA-HUI/J-7921-2013; Berlijn, Tom/A-3859-2016; Yin, Weiguo/A-9671-2014 OI Berlijn, Tom/0000-0002-1001-2238; Yin, Weiguo/0000-0002-4965-5329 FU U S Department of Energy, Office of Basic Energy Sciences [DE-AC02-98CH10886]; DOE-CMCSN FX Work funded by the U S Department of Energy, Office of Basic Energy Sciences DE-AC02-98CH10886 and by DOE-CMCSN. NR 28 TC 37 Z9 37 U1 3 U2 19 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 0031-9007 J9 PHYS REV LETT JI Phys. Rev. Lett. PD DEC 13 PY 2011 VL 107 IS 25 AR 257001 DI 10.1103/PhysRevLett.107.257001 PG 5 WC Physics, Multidisciplinary SC Physics GA 862ZK UT WOS:000298132400007 PM 22243104 ER PT J AU Zhang, C Kohl, M Akdogan, T Alarcon, R Bertozzi, W Booth, E Botto, T Calarco, JR Clasie, B Crawford, C DeGrush, A Dow, K Farkhondeh, M Fatemi, R Filoti, O Franklin, W Gao, H Geis, E Gilad, S Hasell, D Karpius, P Kolster, H Lee, T Maschinot, A Matthews, J McIlhany, K Meitanis, N Milner, R Rapaport, J Redwine, R Seely, J Shinozaki, A Sindile, A Sirca, S Six, E Smith, T Tonguc, B Tschalar, C Tsentalovich, E Turchinetz, W Xiao, Y Xu, W Zhou, ZL Ziskin, V Zwart, T AF Zhang, C. Kohl, M. Akdogan, T. Alarcon, R. Bertozzi, W. Booth, E. Botto, T. Calarco, J. R. Clasie, B. Crawford, C. DeGrush, A. Dow, K. Farkhondeh, M. Fatemi, R. Filoti, O. Franklin, W. Gao, H. Geis, E. Gilad, S. Hasell, D. Karpius, P. Kolster, H. Lee, T. Maschinot, A. Matthews, J. McIlhany, K. Meitanis, N. Milner, R. Rapaport, J. Redwine, R. Seely, J. Shinozaki, A. Sindile, A. Sirca, S. Six, E. Smith, T. Tonguc, B. Tschalaer, C. Tsentalovich, E. Turchinetz, W. Xiao, Y. Xu, W. Zhou, Z. -L. Ziskin, V. Zwart, T. CA BLAST Collaboration TI Precise Measurement of Deuteron Tensor Analyzing Powers with BLAST SO PHYSICAL REVIEW LETTERS LA English DT Article ID ELASTIC ELECTRON-SCATTERING; MOMENTUM-TRANSFER; FORM-FACTORS; POLARIZATION; TARGET AB We report a precision measurement of the deuteron tensor analyzing powers T(20) and T(21) at the MIT-Bates Linear Accelerator Center. Data were collected simultaneously over a momentum transfer range Q = 2.15-4.50 fm(-1) with the Bates Large Acceptance Spectrometer Toroid using a highly polarized deuterium internal gas target. The data are in excellent agreement with calculations in a framework of effective field theory. The deuteron charge monopole and quadrupole form factors G(C) and G(Q) were separated with improved precision, and the location of the first node of G(C) was confirmed at Q = 4.19 +/- 0.05 fm(-1). The new data provide a strong constraint on theoretical models in a momentum transfer range covering the minimum of T(20) and the first node of G(C). C1 [Kohl, M.] Hampton Univ, Hampton, VA 23668 USA. [Kohl, M.] Thomas Jefferson Natl Accelerator Facil, Newport News, VA 23606 USA. [Zhang, C.; Akdogan, T.; Bertozzi, W.; Botto, T.; Clasie, B.; DeGrush, A.; Dow, K.; Farkhondeh, M.; Franklin, W.; Gilad, S.; Hasell, D.; Kolster, H.; Maschinot, A.; Matthews, J.; Meitanis, N.; Milner, R.; Redwine, R.; Seely, J.; Shinozaki, A.; Tschalaer, C.; Tsentalovich, E.; Turchinetz, W.; Xiao, Y.; Zhou, Z. -L.; Ziskin, V.; Zwart, T.] MIT, Nucl Sci Lab, Cambridge, MA 02139 USA. [Alarcon, R.; Geis, E.; Six, E.; Tonguc, B.] Arizona State Univ, Tempe, AZ 85287 USA. [Booth, E.] Boston Univ, Boston, MA 02215 USA. [Calarco, J. R.; Filoti, O.; Karpius, P.; Lee, T.; Sindile, A.] Univ New Hampshire, Durham, NH 03824 USA. [Crawford, C.; Fatemi, R.] Univ Kentucky, Lexington, KY 40504 USA. [Gao, H.; Xu, W.] Duke Univ, Durham, NC 27708 USA. [Gao, H.; Xu, W.] Triangle Univ Nucl Lab, Durham, NC 27708 USA. [McIlhany, K.] USN Acad, Annapolis, MD 21402 USA. [Rapaport, J.] Ohio Univ, Athens, OH 45701 USA. [Sirca, S.] Univ Ljubljana, Jozef Stefan Inst, SI-1000 Ljubljana, Slovenia. [Smith, T.] Dartmouth Coll, Hanover, NH 03755 USA. RP Kohl, M (reprint author), Hampton Univ, Hampton, VA 23668 USA. EM kohlm@jlab.org RI Gao, Haiyan/G-2589-2011 FU U.S. Department of Energy; National Science Foundation FX We thank the staff at the MIT-Bates Linear Accelerator Center for the delivery of a high-quality electron beam and their technical support. We also thank H. Arenhovel, R. Gilman, D. Nikolenko, D. R. Phillips, and J. W. Van Orden for many enlightening discussions. This work has been supported in part by the U.S. Department of Energy and the National Science Foundation. NR 26 TC 15 Z9 15 U1 0 U2 6 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 0031-9007 J9 PHYS REV LETT JI Phys. Rev. Lett. PD DEC 13 PY 2011 VL 107 IS 25 AR 252501 DI 10.1103/PhysRevLett.107.252501 PG 5 WC Physics, Multidisciplinary SC Physics GA 862ZK UT WOS:000298132400002 PM 22243068 ER PT J AU Ji, M Umemoto, K Wang, CZ Ho, KM Wentzcovitch, RM AF Ji, Min Umemoto, Koichiro Wang, Cai-Zhuang Ho, Kai-Ming Wentzcovitch, Renata M. TI Ultrahigh-pressure phases of H2O ice predicted using an adaptive genetic algorithm SO PHYSICAL REVIEW B LA English DT Article ID MOLECULAR-DYNAMICS; PLANETS; WATER AB We propose three phases of H2O under ultrahigh pressure. Our structural search was performed using an adaptive genetic algorithm which allows an extensive exploration of crystal structure at density functional theory accuracy. The sequence of pressure-induced transitions beyond ice X at 0 K should be ice X -> Pbcm -> Pbca -> Pmc2(1) -> P2(1) -> P2(1)/c phases. Across the Pmc2(1)-P2(1) transition, the coordination number of oxygen increases from 4 to 5 with a significant increase of density. All stable crystalline phases have nonmetallic band structures up to 7 TPa. C1 [Ji, Min; Wang, Cai-Zhuang; Ho, Kai-Ming] Iowa State Univ, Ames Lab, US Dept Energy, Ames, IA 50011 USA. [Ji, Min; Wang, Cai-Zhuang; Ho, Kai-Ming] Iowa State Univ, Dept Phys & Astron, Ames, IA 50011 USA. [Umemoto, Koichiro] Univ Minnesota, Dept Geol & Geophys, Minneapolis, MN 55455 USA. [Wentzcovitch, Renata M.] Univ Minnesota, Minnesota Supercomp Inst, Minneapolis, MN 55455 USA. [Wentzcovitch, Renata M.] Univ Minnesota, Dept Chem Engn & Mat Sci, Minneapolis, MN 55455 USA. RP Ji, M (reprint author), Iowa State Univ, Ames Lab, US Dept Energy, Ames, IA 50011 USA. RI Wentzcovitch, Renata/J-8768-2015 FU US Department of Energy, Basic Energy Sciences, Division of Materials Science and Engineering [DE-AC02-07CH11358]; NSF [EAR-0757903, EAR-0810272, EAR-1047629, ATM-0426757 (VLab)] FX Work at Ames Laboratory was supported by the US Department of Energy, Basic Energy Sciences, Division of Materials Science and Engineering, under Contract No. DE-AC02-07CH11358, including a grant of computer time at the National Energy Research Supercomputing Centre (NERSC) in Berkeley, CA. K.U. and R.M.W.'s work was supported by NSF Grants No. EAR-0757903, No. EAR-0810272, No. EAR-1047629, and No. ATM-0426757 (VLab). Computations at the University of Minnesota were performed at the Minnesota Supercomputing Institute and at the Laboratory for Computational Science and Engineering. NR 36 TC 32 Z9 32 U1 1 U2 24 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1098-0121 J9 PHYS REV B JI Phys. Rev. B PD DEC 13 PY 2011 VL 84 IS 22 AR 220105 DI 10.1103/PhysRevB.84.220105 PG 4 WC Physics, Condensed Matter SC Physics GA 862SK UT WOS:000298114200002 ER PT J AU Teran, AA Balsara, NP AF Teran, Alexander A. Balsara, Nitash P. TI Effect of Lithium Polysulfides on the Morphology of Block Copolymer Electrolytes SO MACROMOLECULES LA English DT Article ID ELECTROCHEMICAL REDUCTION; SULFUR BATTERY; APROTIC SOLVENTS; ELEMENTAL SULFUR; LIQUID-AMMONIA; DIMETHYLFORMAMIDE; PERFORMANCE; TRANSITION; OXIDATION; CATHODE AB Lithium polysulfides (Li2Sx, 1 <= x <= 8) are produced during the discharge of lithium-sulfur batteries. Lithium-sulfur batteries are of interest due to their high energy density. The morphology of mixtures of polystyrene-b-poly(ethylene oxide) (SEO) copolymers and lithium polysulfides were studied using a combination of X-ray diffraction, small-angle X-ray scattering, differential scanning calorimetry, and ultraviolet-visible spectroscopy. This study is motivated by the possibility of using block copolymers as electrolytes in lithium-sulfur cells. The phase behavior of SEO/Li2Sx mixtures were found to differ fundamentally from mixtures of SEO and other lithium salts. The morphology of certain SEO/Li2Sx mixtures obtained below the melting temperature of the poly(ethylene oxide) block has not been previously observed in block copolymer/salt mixtures. C1 [Teran, Alexander A.; Balsara, Nitash P.] Univ Calif Berkeley, Lawrence Berkeley Lab, Environm Energy Technol Div, Berkeley, CA 94720 USA. [Balsara, Nitash P.] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Mat Sci, Berkeley, CA 94720 USA. [Teran, Alexander A.; Balsara, Nitash P.] Univ Calif Berkeley, Dept Chem & Biomol Engn, Berkeley, CA 94720 USA. RP Balsara, NP (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, Environm Energy Technol Div, Berkeley, CA 94720 USA. EM nbalsara@berkeley.edu FU Office of Vehicle Technologies of the U.S. Department of Energy [DE-AC02-05CH11231]; National Science Foundation; Office of Science, Office of Basic Energy Sciences, of the U.S. Department of Energy [DE-AC02-05CH11231] FX This work was supported by the Assistant Secretary for Energy Efficiency and Renewable Energy, Office of Vehicle Technologies of the U.S. Department of Energy under Contract No. DE-AC02-05CH11231, under the Batteries for Advanced Transportation Technologies (BATT) Program. A.A.T. was supported by a National Science Foundation Graduate Research Fellowship. XRD experiments were performed at the Molecular Foundry and SAXS experiments were performed at the ALS. Both are Lawrence Berkeley National Laboratory user facilities supported by the Director, Office of Science, Office of Basic Energy Sciences, of the U.S. Department of Energy, under Contract DE-AC02-05CH11231. The authors gratefully acknowledge Professor Rachel Segalman for use of equipment and Sunnie Mao and Sergey Yakovlev for their experimental help. The authors gratefully acknowledge insightful discussions with Dr. Hany Eitouni. NR 43 TC 11 Z9 11 U1 2 U2 63 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0024-9297 J9 MACROMOLECULES JI Macromolecules PD DEC 13 PY 2011 VL 44 IS 23 BP 9267 EP 9275 DI 10.1021/ma202091z PG 9 WC Polymer Science SC Polymer Science GA 855ZG UT WOS:000297604200024 ER PT J AU Schlegel, R Duan, YX Weidisch, R Holzer, S Schneider, K Stamm, M Uhrig, D Mays, JW Heinrich, G Hadjichristidis, N AF Schlegel, R. Duan, Y. X. Weidisch, R. Hoelzer, S. Schneider, K. Stamm, M. Uhrig, D. Mays, J. W. Heinrich, G. Hadjichristidis, N. TI High-Strain-Induced Deformation Mechanisms in Block-Graft and Multigraft Copolymers SO MACROMOLECULES LA English DT Article ID BRANCH-POINTS; TRIBLOCK COPOLYMERS; MODEL; ARCHITECTURE; POLYSTYRENE; ELASTICITY; MORPHOLOGY; CENTIPEDES; ELASTOMERS; BARBWIRES AB The molecular orientation behavior and structural graft copolymers based on polystyrene (PS) and polyisoprene changes of morphology at high strains for multigraft and block (PI) were investigated during uniaxial monotonic loading via FT-IR and synchrotron SAXS. Results from FT-IR revealed specific orientations of PS and PI segments depending on molecular architecture and on the morphology, while structural investigations revealed a typical decrease in long-range order with increasing strain. This decrease was interpreted as strain-induced dissolution of the glass), blocks in the soft matrix, which is assumed to affect an additional enthalpic contribution (strain-induced mixing of polymer chains) and stronger retracting forces of the network chains during elongation. Our interpretation is supported by FT-IR measurements showing similar orientation of rubbery and glassy segments up to high strains. It also points to highly deformable PS domains. By synchrotron SAXS, we observed in the neo-Hookean region an approach of glassy domains, while at higher elongations the intensity of the primary reflection peak was significantly decreasing. The latter clearly verifies the assumption that the glassy chains are pulled out from the domains and are partly mixed in the PI matrix. Results obtained by applying models of rubber elasticity to stress strain and hysteresis data revealed similar correlations between the softening behavior and molecular and morphological parameters. Further, an influence of the network modality was observed (random grafted branches). For sphere forming multigraft copolymers the domain functionality was found to be less important to achieve improved mechanical properties but rather size and distribution of the domains. C1 [Schlegel, R.; Weidisch, R.; Hoelzer, S.] Fraunhofer Inst Mech Mat IWM, D-06120 Halle, Germany. [Duan, Y. X.] Qingdao Univ Sci & Technol, Key Lab Rubber Plast QUST, Minist Educ, Qingdao 266042, Peoples R China. [Weidisch, R.] Univ Halle, Inst Chem, D-06099 Halle, Germany. [Schneider, K.; Stamm, M.; Heinrich, G.] Leibniz Inst Polymerforsch Dresden eV, D-01069 Dresden, Germany. [Uhrig, D.; Mays, J. W.] Oak Ridge Natl Lab, Ctr Nanophase Mat Sci, Oak Ridge, TN 37831 USA. [Mays, J. W.] Univ Tennessee, Dept Chem, Knoxville, TN 37996 USA. [Hadjichristidis, N.] King Abdullah Univ Sci & Technol KAUST, Life Sci & Engn Div, Thuwal 239556900, Saudi Arabia. [Hadjichristidis, N.] Univ Athens, Dept Chem, Athens 15771, Greece. RP Weidisch, R (reprint author), Fraunhofer Inst Mech Mat IWM, D-06120 Halle, Germany. EM roland.weidisch@iwmh.fraunhofer.de RI Umlauf, Ursula/D-3356-2014; Uhrig, David/A-7458-2016 OI Uhrig, David/0000-0001-8447-6708 FU German Science Foundation (DFG); Scientific User Facilities Division, Office of Basic Energy Sciences, U.S. Department of Energy [2003-028]; Division of Materials Science and Engineering, Office of Basic Energy Sciences, U.S. Department of Energy [DE- ACO5-00OR22725]; Shang dong Province Science Fund [ZR2009AL011]; [II-20060086] FX The authors thank for financial support of this work within the framework of the German Science Foundation (DFG) and Fraunhofer IWM Halle. A portion of this research at Oak Ridge National Laboratory's Center for Nanophase Materials Sciences was sponsored by the Scientific User Facilities Division, Office of Basic Energy Sciences, U.S. Department of Energy (enabled through User Project # 2003-028), and supported in part by the Division of Materials Science and Engineering, Office of Basic Energy Sciences, U.S. Department of Energy (DE- ACO5-00OR22725). Y. X. Duan thanks the support from Shang dong Province Science Fund (ZR2009AL011). We thank DESY for beamtime within the project II-20060086. NR 33 TC 7 Z9 7 U1 1 U2 31 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0024-9297 J9 MACROMOLECULES JI Macromolecules PD DEC 13 PY 2011 VL 44 IS 23 BP 9374 EP 9383 DI 10.1021/ma201353w PG 10 WC Polymer Science SC Polymer Science GA 855ZG UT WOS:000297604200036 ER PT J AU Kawaguchi, D Nelson, A Masubuchi, Y Majewski, JP Torikai, N Yamada, NL Sarah, ARS Takano, A Matsushita, Y AF Kawaguchi, Daisuke Nelson, Andrew Masubuchi, Yuichi Majewski, Jaroslaw P. Torikai, Naoya Yamada, Norifumi L. Sarah, A. R. Siti Takano, Atsushi Matsushita, Yushu TI Precise Analyses of Short-Time Relaxation at Asymmetric Polystyrene Interface in Terms of Molecular Weight by Time-Resolved Neutron Reflectivity Measurements SO MACROMOLECULES LA English DT Article ID GLASS-TRANSITION TEMPERATURE; ION-SCATTERING TECHNIQUES; MUTUAL DIFFUSION; POLYMER DIFFUSION; MASS-SPECTROSCOPY; REAL-TIME; INTERDIFFUSION; BLENDS; FILMS; DYNAMICS AB The short-time mutual diffusion at an interface of linear polystyrene/linear deuterated polystyrene with different molecular weights was examined by time-resolved neutron reflecdvity (TR-NR) measurements. The model scattering length density (b/V) profiles obtained by solving a partial differential equation for the diffusion process, using the segmental diffusion coefficients as the only fitting parameter were used to analyze the TR-NR data. In short-time diffusion, the asymmetric (b/V) profiles derived from a segmental relaxation model were able to model the data much better than those obtained by center-of-mass diffusion based on reptation model and by a simple error function. These analyses clearly indicate that even if the molecular weights of both components are larger than the critical molecular weight for entanglement, the initial interfacial broadening of bilayer films with different molecular weight proceeds with asymmetric mobility being proportional to N-1. Time dependence of the interfacial positions, u(t), was extracted from the (b/V) profiles. The exponent of a in u(t) similar to t(alpha) reflects the asymmetric mobility of the components. This analysis also gave the time dependence of mutual diffusion coefficients, D. The D value gradually decreases with increasing time and reaches a constant value. C1 [Kawaguchi, Daisuke; Sarah, A. R. Siti; Takano, Atsushi; Matsushita, Yushu] Nagoya Univ, Dept Appl Chem, Chikusa Ku, Nagoya, Aichi 4648603, Japan. [Nelson, Andrew] Australian Nucl Sci & Technol Org, Kirrawee Dc, NSW 2232, Australia. [Masubuchi, Yuichi] Kyoto Univ, Inst Chem Res, Uji 6110011, Japan. [Majewski, Jaroslaw P.] Los Alamos Natl Lab, Los Alamos Neutron Sci Ctr, Los Alamos, NM 87545 USA. [Torikai, Naoya] Mie Univ, Dept Chem Mat, Tsu, Mie 5148507, Japan. [Yamada, Norifumi L.] High Energy Accelerat Res Org, Div Neutron Sci, Inst Mat Struct Sci, Naka, Ibaraki 3191106, Japan. RP Matsushita, Y (reprint author), Nagoya Univ, Dept Appl Chem, Chikusa Ku, Nagoya, Aichi 4648603, Japan. EM yushu@apchem.nagoya-u.ac.jp RI Nelson, Andrew/C-2545-2012; Lujan Center, LANL/G-4896-2012; Masubuchi, Yuichi/C-2231-2008; Masubuchi, Yuichi/B-6063-2008 OI Nelson, Andrew/0000-0002-4548-3558; Masubuchi, Yuichi/0000-0002-1306-3823; Masubuchi, Yuichi/0000-0002-1306-3823 FU Ministry of Education, Culture, Sports, Science and Technology (MEXT), Japan [22685013, 22245038]; DOE Office of Basic Energy Sciences; Los Alamos National Laboratory under DOE [DE-AC52-06NA25396]; Materials and Life Science Facility, J-PARC, Japan [2009S08] FX This research was in part supported by the grant-in-aids for young scientist (A)(No.22685013) and scientific research (A)(No.22245038), the Global COE program "Elucidation and Design of Materials Molecular Functions" from the Ministry of Education, Culture, Sports, Science and Technology (MEXT), Japan. This work benefited from the use of the SPEAR at the Lujan Neutron Scattering Center at Los Alamos Neutron Science Center funded by the DOE Office of Basic Energy Sciences and Los Alamos National Laboratory under DOE Contract DE-AC52-06NA25396. Neutron reflectivity measurements were also performed on BL-16 at the Materials and Life Science Facility, J-PARC, Japan, under the program number of 2009S08. D.K. thanks Mr. Hikage for assistant of X-ray reflectivity measurements. NR 54 TC 6 Z9 6 U1 0 U2 19 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0024-9297 J9 MACROMOLECULES JI Macromolecules PD DEC 13 PY 2011 VL 44 IS 23 BP 9424 EP 9433 DI 10.1021/ma201717e PG 10 WC Polymer Science SC Polymer Science GA 855ZG UT WOS:000297604200041 ER PT J AU Bokinsky, G Peralta-Yahya, PP George, A Holmes, BM Steen, EJ Dietrich, J Lee, TS Tullman-Ercek, D Voigt, CA Simmons, BA Keasling, JD AF Bokinsky, Gregory Peralta-Yahya, Pamela P. George, Anthe Holmes, Bradley M. Steen, Eric J. Dietrich, Jeffrey Lee, Taek Soon Tullman-Ercek, Danielle Voigt, Christopher A. Simmons, Blake A. Keasling, Jay D. TI Synthesis of three advanced biofuels from ionic liquid-pretreated switchgrass using engineered Escherichia coli SO PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA LA English DT Article DE consolidated bioprocessing; ionic liquid pretreatment ID TECHNOECONOMIC ANALYSIS; ENZYMATIC-HYDROLYSIS; MICROBIAL-PRODUCTION; AMORPHOUS CELLULOSE; BIOMASS; ETHANOL; BIOLOGY; GENE; SACCHARIFICATION; IDENTIFICATION AB One approach to reducing the costs of advanced biofuel production from cellulosic biomass is to engineer a single microorganism to both digest plant biomass and produce hydrocarbons that have the properties of petrochemical fuels. Such an organism would require pathways for hydrocarbon production and the capacity to secrete sufficient enzymes to efficiently hydrolyze cellulose and hemicellulose. To demonstrate how one might engineer and coordinate all of the necessary components for a biomass-degrading, hydrocarbon-producing microorganism, we engineered a microorganism naive to both processes, Escherichia coli, to grow using both the cellulose and hemicellulose fractions of several types of plant biomass pretreated with ionic liquids. Our engineered strains express cellulase, xylanase, beta-glucosidase, and xylobiosidase enzymes under control of native E. coli promoters selected to optimize growth on model cellulosic and hemicellulosic substrates. Furthermore, our strains grow using either the cellulose or hemicellulose components of ionic liquid-pretreated biomass or on both components when combined as a coculture. Both cellulolytic and hemicellulolytic strains were further engineered with three biofuel synthesis pathways to demonstrate the production of fuel substitutes or precursors suitable for gasoline, diesel, and jet engines directly from ionic liquid-treated switchgrass without externally supplied hydrolase enzymes. This demonstration represents a major advance toward realizing a consolidated bioprocess. With improvements in both biofuel synthesis pathways and biomass digestion capabilities, our approach could provide an economical route to production of advanced biofuels. C1 [Bokinsky, Gregory; Peralta-Yahya, Pamela P.; George, Anthe; Holmes, Bradley M.; Steen, Eric J.; Dietrich, Jeffrey; Lee, Taek Soon; Tullman-Ercek, Danielle; Simmons, Blake A.; Keasling, Jay D.] Joint BioEnergy Inst, Emeryville, CA 94608 USA. [Bokinsky, Gregory; Peralta-Yahya, Pamela P.; Keasling, Jay D.] Univ Calif San Francisco, Inst QB3, San Francisco, CA 94158 USA. [George, Anthe; Holmes, Bradley M.; Simmons, Blake A.] Sandia Natl Labs, Livermore, CA 94551 USA. [Steen, Eric J.; Dietrich, Jeffrey; Keasling, Jay D.] Lawrence Berkeley Natl Lab, Dept Bioengn, Berkeley, CA 94720 USA. [Lee, Taek Soon; Keasling, Jay D.] Lawrence Berkeley Natl Lab, Phy Biosci Div, Berkeley, CA 94720 USA. [Tullman-Ercek, Danielle; Keasling, Jay D.] Univ Calif Berkeley, Dept Chem & Biomol Engn, Berkeley, CA 94720 USA. [Voigt, Christopher A.] MIT, Dept Biol Engn, Cambridge, MA 02139 USA. RP Keasling, JD (reprint author), Joint BioEnergy Inst, 5885 Hollis Ave, Emeryville, CA 94608 USA. EM jdkeasling@lbl.gov RI Keasling, Jay/J-9162-2012; Tullman-Ercek, Danielle/L-2792-2016; OI Keasling, Jay/0000-0003-4170-6088; Simmons, Blake/0000-0002-1332-1810 FU University of California [LS9]; Joint BioEnergy Institute; U.S. Department of Energy, Office of Science, Office of Biological and Environmental Research [DE-AC02-05CH11231]; Lawrence Berkeley National Laboratory; U.S. Department of Energy; Synthetic Biology Engineering Research Center; National Science Foundation [BES-0547637]; SynBERC, National Institutes of Health [AI67699]; Amryis Biotechnologies [DNA 2.0]; UC [bio05-10556] FX We thank our colleagues at Joint BioEnergy Institute and S. del Cardayre and B. da Costa at LS9 for assistance with all aspects of this project. E. Luning and J. Gin helped with primer design, M. Ouellet assisted with GC-MS measurements, and H. Burd assisted with HPLC analysis. We thank Dr. Ken Vogel at the United States Department of Agriculture, Lincoln, NE, for supplying switchgrass and Arborgen for supplying Eucalyptus globulus. This work was supported by the University of California Discovery Grant program and LS9; the Joint BioEnergy Institute (www.jbei.org) supported by the U.S. Department of Energy, Office of Science, Office of Biological and Environmental Research, through contract DE-AC02-05CH11231 between Lawrence Berkeley National Laboratory and the U.S. Department of Energy; and the Synthetic Biology Engineering Research Center. C. V. and D. T. E. were supported by National Science Foundation Grants BES-0547637 and SynBERC, National Institutes of Health Grant AI67699, Amryis Biotechnologies, DNA 2.0, and UC-Discovery Grant bio05-10556. NR 41 TC 163 Z9 169 U1 13 U2 137 PU NATL ACAD SCIENCES PI WASHINGTON PA 2101 CONSTITUTION AVE NW, WASHINGTON, DC 20418 USA SN 0027-8424 J9 P NATL ACAD SCI USA JI Proc. Natl. Acad. Sci. U. S. A. PD DEC 13 PY 2011 VL 108 IS 50 BP 19949 EP 19954 DI 10.1073/pnas.1106958108 PG 6 WC Multidisciplinary Sciences SC Science & Technology - Other Topics GA 861QR UT WOS:000298034800029 PM 22123987 ER PT J AU Atmodjo, MA Sakuragi, Y Zhu, X Burrell, AJ Mohanty, SS Atwood, JA Orlando, R Scheller, HV Mohnen, D AF Atmodjo, Melani A. Sakuragi, Yumiko Zhu, Xiang Burrell, Amy J. Mohanty, Sushree S. Atwood, James A., III Orlando, Ron Scheller, Henrik V. Mohnen, Debra TI Galacturonosyltransferase (GAUT)1 and GAUT7 are the core of a plant cell wall pectin biosynthetic homogalacturonan: galacturonosyltransferase complex SO PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA LA English DT Article DE disulfide bond; biomass; primary cell wall; secondary cell wall ID GOLGI-APPARATUS; CELLULOSE BIOSYNTHESIS; ARABIDOPSIS; GLYCOSYLTRANSFERASES; LOCALIZATION; DOMAIN; METHYLTRANSFERASE; POLYSACCHARIDE; ESTERIFICATION; REVEALS AB Plant cell wall pectic polysaccharides are arguably the most complex carbohydrates in nature. Progress in understanding pectin synthesis has been slow due to its complex structure and difficulties in purifying and expressing the low-abundance, Golgi membranebound pectin biosynthetic enzymes. Arabidopsis galacturonosyltransferase (GAUT) 1 is an alpha-1,4-galacturonosyltransferase (GalAT) that synthesizes homogalacturonan (HG), the most abundant pectic polysaccharide. We now show that GAUT1 functions in a protein complex with the homologous GAUT7. Surprisingly, although both GAUT1 and GAUT7 are type II membrane proteins with single Nterminal transmembrane-spanning domains, the N-terminal region of GAUT1, including the transmembrane domain, is cleaved in vivo. This raises the question of how the processed GAUT1 is retained in the Golgi, the site of HG biosynthesis. We show that the anchoring of GAUT1 in the Golgi requires association with GAUT7 to form the GAUT1: GAUT7 complex. Proteomics analyses also identified 12 additional proteins that immunoprecipitate with the GAUT1: GAUT7 complex. This study provides conclusive evidence that the GAUT1: GAUT7 complex is the catalytic core of an HG: GalAT complex and that cell wall matrix polysaccharide biosynthesis occurs via protein complexes. The processing of GAUT1 to remove its N-terminal transmembrane domain and its anchoring in the Golgi by association with GAUT7 provides an example of how specific catalytic domains of plant cell wall biosynthetic glycosyltransferases could be assembled into protein complexes to enable the synthesis of the complex and developmentally and environmentally plastic plant cell wall. C1 [Atmodjo, Melani A.; Zhu, Xiang; Burrell, Amy J.; Mohanty, Sushree S.; Atwood, James A., III; Orlando, Ron; Mohnen, Debra] Univ Georgia, Complex Carbohydrate Res Ctr, Athens, GA 30602 USA. [Atmodjo, Melani A.; Mohnen, Debra] Univ Georgia, Dept Biochem & Mol Biol, Athens, GA 30602 USA. [Mohanty, Sushree S.; Mohnen, Debra] Univ Georgia, BioEnergy Sci Ctr, Athens, GA 30602 USA. [Sakuragi, Yumiko] Univ Copenhagen, Villum Kann Rasmussen Res Ctr Proact Plants, DK-1871 Copenhagen, Denmark. [Sakuragi, Yumiko; Scheller, Henrik V.] Univ Copenhagen, Dept Plant Biol & Biotechnol, DK-1871 Copenhagen, Denmark. [Scheller, Henrik V.] Lawrence Berkeley Natl Lab, Joint BioEnergy Inst, Emeryville, CA 94608 USA. RP Mohnen, D (reprint author), Univ Georgia, Complex Carbohydrate Res Ctr, 220 Riverbend Rd, Athens, GA 30602 USA. EM dmohnen@ccrc.uga.edu RI Sakuragi, Yumiko/E-9707-2012; Scheller, Henrik/A-8106-2008 OI Sakuragi, Yumiko/0000-0002-9405-5197; Scheller, Henrik/0000-0002-6702-3560 FU National Research Initiative, Cooperative State Research, Education, and Extension Service, US Department of Agriculture (USDA) [2003-35318-15377, 2006-35318-17301]; USDA Agriculture and Food Research Initiative [2010-65115-20396]; US Department of Energy (DOE) [DE-AC02-05CH11231]; Danish Agency for Science, Technology and Innovation; Villum Kann Rasmussen Foundation, DOE Center [DE-FG02-09ER20097]; BioEnergy Science Center [DE-PS02-06ER64304]; Office of Biological and Environmental Research in the DOE Office of Science FX We thank Drs. Jae-Min Lim and Lance Wells for LC-MS/MS verification of GAUT1 and GAUT7; Drs. Alan Darvill, Michael Hahn, and Geert-Jan Boons for critical reading of the manuscript; Sarah Inwood, Carl Bergmann, and Henk Schols for gifts of enzymes; Malcolm O'Neill for RG-II monomer; and Anne Stenbaek for help in confocal microscopy. This work was supported by National Research Initiative, Cooperative State Research, Education, and Extension Service, US Department of Agriculture (USDA) Awards 2003-35318-15377 and 2006-35318-17301; USDA Agriculture and Food Research Initiative 2010-65115-20396; and in part by US Department of Energy (DOE) Contract DE-AC02-05CH11231, the Danish Agency for Science, Technology and Innovation, The Villum Kann Rasmussen Foundation, DOE Center Grant DE-FG02-09ER20097, and BioEnergy Science Center Grant DE-PS02-06ER64304. The BioEnergy Science Center is a US DOE BioEnergy Research Center supported by the Office of Biological and Environmental Research in the DOE Office of Science. NR 43 TC 65 Z9 67 U1 4 U2 41 PU NATL ACAD SCIENCES PI WASHINGTON PA 2101 CONSTITUTION AVE NW, WASHINGTON, DC 20418 USA SN 0027-8424 J9 P NATL ACAD SCI USA JI Proc. Natl. Acad. Sci. U. S. A. PD DEC 13 PY 2011 VL 108 IS 50 BP 20225 EP 20230 DI 10.1073/pnas.1112816108 PG 6 WC Multidisciplinary Sciences SC Science & Technology - Other Topics GA 861QR UT WOS:000298034800076 PM 22135470 ER PT J AU Sanghavi, R Devanathan, R Nandasiri, MI Kuchibhatla, S Kovarik, L Thevuthasan, S Prasad, S AF Sanghavi, R. Devanathan, R. Nandasiri, M. I. Kuchibhatla, S. Kovarik, L. Thevuthasan, S. Prasad, S. TI Integrated experimental and modeling study of the ionic conductivity of samaria-doped ceria thin films SO SOLID STATE IONICS LA English DT Article DE Samaria-doped ceria; Conductivity; Molecular dynamics simulation; Single crystal thin films ID OXIDE FUEL-CELLS; MOLECULAR-DYNAMICS SIMULATION; YTTRIA-STABILIZED ZIRCONIA; DENSITY-FUNCTIONAL THEORY; ELECTRICAL-PROPERTIES; FLUORITE-STRUCTURE; OXYGEN-TRANSPORT; BEAM EPITAXY; AC-IMPEDANCE; IT-SOFCS AB Oxygen diffusion and ionic conductivity of samaria-doped ceria (SDC) thin films have been studied as a function of composition using experiment and atomistic simulation. SDC thin films were grown on Al2O3 (0001) substrates by oxygen plasma-assisted molecular beam epitaxy (OPA-MBE) technique. The experimental results show a peak in electrical conductivity of SDC at 15 mol% SmO1.5. The ionic conductivity obtained from molecular dynamics simulation of the same system shows a peak at about 13 mol% SmO1.5. The activation energy for oxygen diffusion was found to be in the range from 0.8 to 1 eV by simulations depending on the SmO1.5 content, which compares well with the range from 0.6 to 0.9 eV given by the experimental work. The simulations also show that oxygen vacancies prefer Sm3+ ions as first neighbors over Ce4+ ions. The present results reveal that the optimum samaria content for ionic conductivity in single crystals of SDC is less than that in polycrystals, which can be related to the preferential segregation of dopant cations to grain boundaries in polycrystals. (C) 2011 Elsevier B.V. All rights reserved. C1 [Sanghavi, R.; Prasad, S.] Arizona State Univ, Dept Elect Comp & Energy Engn, Tempe, AZ 85287 USA. [Sanghavi, R.; Nandasiri, M. I.; Kuchibhatla, S.; Kovarik, L.; Thevuthasan, S.] Pacific NW Natl Lab, EMSL, Richland, WA 99352 USA. [Sanghavi, R.] Battelle Sci & Technol India, Pune 411057, MH, India. [Devanathan, R.] Pacific NW Natl Lab, Div Chem & Mat Sci, Richland, WA 99352 USA. [Nandasiri, M. I.] Western Michigan Univ, Dept Phys, Kalamazoo, MI 49008 USA. [Prasad, S.] Univ Texas Dallas, Dept Bioengn, Richardson, TX 75080 USA. RP Devanathan, R (reprint author), PNNL, MS K2-01,POB 999, Richland, WA 99352 USA. EM ram.devanathan@pnl.gov RI Devanathan, Ram/C-7247-2008; Kovarik, Libor/L-7139-2016 OI Devanathan, Ram/0000-0001-8125-4237; FU Department of Energy's Office of Biological and Environmental Research; ONR [N00014-07-1-0457]; Materials Science and Engineering Division, Office of Basic Energy Sciences, US Department of Energy [DE-AC05-76RL01830] FX The research was performed using EMSL, a national scientific user facility sponsored by the Department of Energy's Office of Biological and Environmental Research and located at Pacific Northwest National Laboratory. This work was supported by the ONR Grant - N00014-07-1-0457. RD was supported by the Materials Science and Engineering Division, Office of Basic Energy Sciences, US Department of Energy under Contract DE-AC05-76RL01830. The authors thank A. Singh, S. Gupta, C. Wang, V. Shutthanandan, W. Jiang, P. Nachimuthu, T. Varga and M. Engelhard for providing help, guidance and material characterization results for this study. NR 56 TC 10 Z9 10 U1 1 U2 31 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 0167-2738 EI 1872-7689 J9 SOLID STATE IONICS JI Solid State Ion. PD DEC 12 PY 2011 VL 204 BP 13 EP 19 DI 10.1016/j.ssi.2011.10.007 PG 7 WC Chemistry, Physical; Physics, Condensed Matter SC Chemistry; Physics GA 878IE UT WOS:000299247900003 ER PT J AU Chen, Y Chen, S Hackett, G Finklea, H Song, XY Gerdes, K AF Chen, Yun Chen, Song Hackett, Gregory Finklea, Harry Song, Xueyan Gerdes, Kirk TI Microstructural and chemical evolution near anode triple phase boundary in Ni/YSZ solid oxide fuel cells SO SOLID STATE IONICS LA English DT Article DE Solid oxide fuel cell; Anode; Interface; Degradation; Microstructure; Transmission electron microscopy ID INTERFACE; DEGRADATION; DIFFUSION; NICKEL; ZRO2 AB In this study, we report the micro-structural and chemical evolution of anode grain boundaries and triple phase boundary (TPB) junctions of Ni/YSZ anode supported solid oxide fuel cells. A NiO phase was found to develop along the Ni/YSZ interfaces extending to TPBs in the operated cells. The thickness of the NiO ribbon phase remains constant at similar to 5 nm in hydrogen for operating durations up to 540 h. When operating on synthesis gas, an increase in interphase thickness was observed from similar to 11 nm for 24 h of operation to similar to 51 nm for 550 h of operation. YSZ phases are observed to be stable in H(2) over 540 h of operation. However, for the cell operated in syngas for 550 h, a 5-10 nm tetragonal YSZ (t-YSZ) interfacial layer was identified that originated from the Ni/YSZ interfaces. Yttrium species seem to segregate to the interfaces during operation, leading to the formation of t-YSZ in the Y-depleted regions. (C) 2011 Elsevier B.V. All rights reserved. C1 [Chen, Song; Song, Xueyan] W Virginia Univ, Dept Mech & Aerosp Engn, Morgantown, WV 26506 USA. [Chen, Yun; Finklea, Harry] W Virginia Univ, Dept Chem, Morgantown, WV 26506 USA. [Hackett, Gregory; Gerdes, Kirk] Natl Energy Technol Lab, Morgantown, WV 26507 USA. RP Song, XY (reprint author), W Virginia Univ, Dept Mech & Aerosp Engn, Room 537 Engn Sci Bldg,Evansdale Dr, Morgantown, WV 26506 USA. EM xueyan.song@mail.wvu.edu RI Chen, Song/H-3174-2011 FU U.S. Department of Energy [DE-FE0004000, DE-FG02-06ER46299] FX The authors gratefully acknowledge the support from the U.S. Department of Energy under contract DE-FE0004000 and DE-FG02-06ER46299. NR 13 TC 10 Z9 10 U1 0 U2 23 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 0167-2738 J9 SOLID STATE IONICS JI Solid State Ion. PD DEC 12 PY 2011 VL 204 BP 87 EP 90 DI 10.1016/j.ssi.2011.10.005 PG 4 WC Chemistry, Physical; Physics, Condensed Matter SC Chemistry; Physics GA 878IE UT WOS:000299247900014 ER PT J AU Li, YH Gerdes, K Diamond, H Liu, XB AF Li, Yihong Gerdes, Kirk Diamond, Harvey Liu, Xingbo TI An improved method to increase the predictive accuracy of the ECR technique SO SOLID STATE IONICS LA English DT Article DE Electrical conductivity relaxation (ECR); Mixed ionic electronic conductor (MIEC); Surface exchange coefficient; Bulk diffusion coefficient ID ELECTRICAL-CONDUCTIVITY RELAXATION; CHEMICAL DIFFUSION-COEFFICIENT; SURFACE EXCHANGE; KINETICS AB The technique of electrical conductivity relaxation (ECR) is a widely utilized method for obtaining oxygen chemical surface exchange (k) and bulk diffusion (D) coefficients for mixed ionic electronic conductors. Although the technique is conceptually simple, its practical application does not frequently produce reliably accurate values of k and D, and many examples of poor agreement can be found in the published literature. In this present paper, methods for enhancing the accuracy of the ECR technique relative to data processing are described in detail. Physically accurate determination of the actual starting time (t(0)) and improved methods for data fitting of ECR measurements are discussed. To test the methods described, generated relaxation data sets are analyzed by using non-linear-least-square (NLLS) methods. The results showed that fixing to based on an ideally stirred reactor model improves the fitted results compared to treating to as a fitted parameter. Additionally, evaluation of the global minimum in the fitted error is made by analyzing multiple samples of varying thickness, which improves parameter evaluation compared to analysis of a single relaxation data set. The improved accuracy of the computed values of k and D is described in comparison to conventional methods. (C) 2011 Elsevier B.V. All rights reserved. C1 [Li, Yihong; Liu, Xingbo] W Virginia Univ, Dept Mech & Aerosp Engn, Morgantown, WV 26506 USA. [Li, Yihong; Gerdes, Kirk; Liu, Xingbo] Natl Energy Technol Lab, Morgantown, WV 26507 USA. [Diamond, Harvey] W Virginia Univ, Dept Math, Morgantown, WV 26506 USA. RP Liu, XB (reprint author), W Virginia Univ, Dept Mech & Aerosp Engn, Morgantown, WV 26506 USA. EM xingbo.liu@mail.wvu.edu FU National Energy Technology Laboratory [DE-AC26-04NT41817] FX The authors would like to acknowledge Paul Salvador of Carnegie Mellon University for valuable discussions related to this topic. This technical effort was performed in support of the National Energy Technology Laboratory's on-going research in West Virginia University under contract #DE-AC26-04NT41817. NR 14 TC 11 Z9 11 U1 1 U2 13 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 0167-2738 J9 SOLID STATE IONICS JI Solid State Ion. PD DEC 12 PY 2011 VL 204 BP 104 EP 110 DI 10.1016/j.ssi.2011.09.017 PG 7 WC Chemistry, Physical; Physics, Condensed Matter SC Chemistry; Physics GA 878IE UT WOS:000299247900017 ER PT J AU Kim, M Hong, S Miller, DJ Dugundji, J Wardle, BL AF Kim, Miso Hong, Seungbum Miller, Dean J. Dugundji, John Wardle, Brian L. TI Size effect of flexible proof mass on the mechanical behavior of micron-scale cantilevers for energy harvesting applications SO APPLIED PHYSICS LETTERS LA English DT Article ID SYSTEMS AB Mechanical behavior of micron-scale cantilevers with a distributed, flexible proof mass is investigated to understand proof mass size effects on the performance of microelectromechanical system energy harvesters. Single-crystal silicon beams with proof masses of various lengths were fabricated using focused ion beam milling and tested using atomic force microscopy. Comparison of three different modeling results with measured data reveals that a "two-beam" method has the most accurate predictive capability in terms of both resonant frequency and strain. Accurate strain prediction is essential because energy harvested scales with strain squared and maximum strain will be a design limit in fatigue. (C) 2011 American Institute of Physics. [doi: 10.1063/1.3663858] C1 [Kim, Miso] MIT, Dept Mat Sci & Engn, Cambridge, MA 02139 USA. [Kim, Miso; Hong, Seungbum; Miller, Dean J.] Argonne Natl Lab, Div Mat Sci, Argonne, IL 60439 USA. [Dugundji, John; Wardle, Brian L.] MIT, Dept Aeronaut & Astronaut, Cambridge, MA 02139 USA. RP Kim, M (reprint author), MIT, Dept Mat Sci & Engn, Cambridge, MA 02139 USA. EM misokim@mit.edu RI Hong, Seungbum/B-7708-2009 OI Hong, Seungbum/0000-0002-2667-1983 FU Argonne National Laboratory, a U.S. DOE Office of Science Laboratory [DE-AC02-06CH11357] FX AFM and FIB experiments were carried out in Materials Science Division and Electron Microscopy Center at Argonne National Laboratory, a U.S. DOE Office of Science Laboratory, operated under Contract No. DE-AC02-06CH11357. NR 14 TC 12 Z9 12 U1 0 U2 9 PU AMER INST PHYSICS PI MELVILLE PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1, MELVILLE, NY 11747-4501 USA SN 0003-6951 J9 APPL PHYS LETT JI Appl. Phys. Lett. PD DEC 12 PY 2011 VL 99 IS 24 AR 243506 DI 10.1063/1.3663858 PG 4 WC Physics, Applied SC Physics GA 864QG UT WOS:000298254200066 ER PT J AU Garcia, G Bertin, A Li, Z Song, Y McMurray, MA Thorner, J Nogales, E AF Garcia, Galo, III Bertin, Aurelie Li, Zhu Song, Yi McMurray, Michael A. Thorner, Jeremy Nogales, Eva TI Subunit-dependent modulation of septin assembly: Budding yeast septin Shs1 promotes ring and gauze formation SO JOURNAL OF CELL BIOLOGY LA English DT Article ID CELL-DIVISION CYCLE; SACCHAROMYCES-CEREVISIAE; STRUCTURAL INSIGHTS; FILAMENT FORMATION; MAMMALIAN SEPTINS; DIFFUSION BARRIER; GENETIC-CONTROL; PROTEIN-KINASE; BUD NECK; ORGANIZATION AB Septins are conserved guanosine triphosphate-binding cytoskeletal proteins involved in membrane remodeling. In budding yeast, five mitotic septins (Cdc3, Cdc10, Cdc11, Cdc12, and Shs1), which are essential for cytokinesis, transition during bud growth from a patch to a collar, which splits into two rings in cytokinesis and is disassembled before the next cell cycle. Cdc3, Cdc10, Cdc11, and Cdc12 form an apolar octameric rod with Cdc11 at each tip, which polymerizes into straight paired filaments. We show that Shs1 substitutes for Cdc11, resulting in octameric rods that do not polymerize into filaments but associate laterally, forming curved bundles that close into rings. In vivo, half of shs1 Delta mutant cells exhibit incomplete collars and disrupted neck filaments. Importantly, different phosphomimetic mutations in Shs1 can either prevent ring formation or promote formation of a gauzelike meshwork. These results show that a single alternative terminal subunit is sufficient to confer a distinctive higher-order septin ultrastructure that can be further regulated by phosphorylation. C1 [Garcia, Galo, III; Bertin, Aurelie; Li, Zhu; Song, Yi; McMurray, Michael A.; Thorner, Jeremy; Nogales, Eva] Univ Calif Berkeley, Dept Mol & Cell Biol, Div Biochem & Mol Biol, Berkeley, CA 94720 USA. [Nogales, Eva] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Div Life Sci, Berkeley, CA 94720 USA. [Nogales, Eva] Howard Hughes Med Inst, Chevy Chase, MD 20815 USA. RP Nogales, E (reprint author), Univ Calif Berkeley, Dept Mol & Cell Biol, Div Biochem & Mol Biol, Berkeley, CA 94720 USA. EM enogales@lbl.gov FU Keck Foundation; National Science Foundation; Jane Coffin Childs Postdoctoral Research Fellowship [61-1357]; National Institutes of Health [GM86603, GM21841] FX We thank Erfei Bi for the gift of DNA encoding Shs1. We are thankful to Patricia Grob for EM training and support. Many of the constructs used for protein expression were prepared with the help of the Keck Foundation-supported QB3 MacroLab (University of California, Berkeley).; This work was supported by a National Science Foundation Predoctoral Fellowship (to G. Garcia III), Jane Coffin Childs Postdoctoral Research Fellowship 61-1357 (to A. Bertin), National Institutes of Health K99 grant GM86603 (to M.A. McMurray), and National Institutes of Health R01 grant GM21841 (to J. Thorner). E. Nogales is an investigator for the Howard Hughes Medical Institute. NR 71 TC 60 Z9 61 U1 1 U2 8 PU ROCKEFELLER UNIV PRESS PI NEW YORK PA 1114 FIRST AVE, 4TH FL, NEW YORK, NY 10021 USA SN 0021-9525 J9 J CELL BIOL JI J. Cell Biol. PD DEC 12 PY 2011 VL 195 IS 6 BP 993 EP 1004 DI 10.1083/jcb.201107123 PG 12 WC Cell Biology SC Cell Biology GA 864ZD UT WOS:000298278100009 PM 22144691 ER PT J AU Chen, KS Pathak, S Yang, SX Su, SQ Galanakis, D Mikelsons, K Jarrell, M Moreno, J AF Chen, K. -S. Pathak, S. Yang, S. -X. Su, S. -Q. Galanakis, D. Mikelsons, K. Jarrell, M. Moreno, J. TI Role of the van Hove singularity in the quantum criticality of the Hubbard model SO PHYSICAL REVIEW B LA English DT Article ID HIGH-TEMPERATURE SUPERCONDUCTORS; NON-FERMI LIQUIDS; ANGLE-RESOLVED PHOTOEMISSION; SADDLE-POINT SINGULARITY; D-WAVE SUPERCONDUCTIVITY; CUPRATE SUPERCONDUCTORS; THERMAL-CONDUCTIVITY; VANHOVE SINGULARITY; ELECTRON-SYSTEMS; NORMAL-STATE AB A quantum critical point is found in the phase diagram of the two-dimensional Hubbard model [Vidhyadhiraja et al., Phys. Rev. Lett. 102, 206407 (2009)]. It is due to the vanishing of the critical temperature associated with a phase-separation transition, and it separates the non-Fermi-liquid region from the Fermi liquid. Near the quantum critical point, the pairing is enhanced since the real part of the bare d-wave pairing susceptibility exhibits an algebraic divergence with decreasing temperature, replacing the logarithmic divergence found in a Fermi liquid [Yang et al., Phys. Rev. Lett. 106, 047004 (2011)]. In this paper, we explore the single-particle and transport properties near the quantum critical point using high-quality estimates of the self-energy obtained by direct analytic continuation of the self-energy from the continuous-time quantum Monte Carlo method. We focus mainly on a van Hove singularity coming from the relatively flat dispersion that crosses the Fermi level near the quantum critical filling. The flat part of the dispersion orthogonal to the antinodal direction remains pinned near the Fermi level for a range of doping that increases when we include a negative next-near-neighbor hopping t' in the model. For comparison, we calculate the bare d-wave pairing susceptibility for noninteracting models with the usual two-dimensional tight-binding dispersion and a hypothetical quartic dispersion. We find that neither model yields a van Hove singularity that completely describes the critical algebraic behavior of the bare d-wave pairing susceptibility found in the numerical data. The resistivity, thermal conductivity, thermopower, and the Wiedemann-Franz law are examined in the Fermi liquid, marginal Fermi liquid, and pseudogap doping regions. A negative next-near-neighbor hopping t' increases the doping region with marginal Fermi liquid character. Both T and negative t' are relevant variables for the quantum critical point, and both the transport and the displacement of the van Hove singularity with filling suggest that they are qualitatively similar in their effect. C1 [Chen, K. -S.; Pathak, S.; Yang, S. -X.; Jarrell, M.; Moreno, J.] Louisiana State Univ, Dept Phys & Astron, Baton Rouge, LA 70803 USA. [Su, S. -Q.] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA. [Galanakis, D.] Nanyang Technol Univ, Singapore 639798, Singapore. [Mikelsons, K.] Georgetown Univ, Dept Phys, Washington, DC 20057 USA. RP Chen, KS (reprint author), Louisiana State Univ, Dept Phys & Astron, Baton Rouge, LA 70803 USA. RI Moreno, Juana/D-5882-2012; Mikelsons, Karlis/C-9147-2015; OI Mikelsons, Karlis/0000-0003-2540-0687; Pathak, Sandeep/0000-0002-3231-9345 FU DOE [SciDAC DE-FC02-06ER25792]; NSF [OISE-0952300, DMR-0706379]; NSF TeraGrid [TG-DMR100007]; Office of Science of the US Department of Energy [DE-AC05-00OR22725] FX We would like to thank Piers Coleman, Jan Zaanen, Thomas Pruschke, H. R. Krishnamurthy, Sebastian Schmitt, George Kastrinakis, Ka-Ming Tam, Matthias Vojta, Masa Imada, Walter Metzner, and Jian-Huang She for useful conversations. We also thank Robert Markiewicz for a careful reading of the manuscript and for providing insightful suggestions. This work is supported by DOE SciDAC DE-FC02-06ER25792 (S.P., S.X.Y., K.M., M.J.), and NSF Grants No. OISE-0952300 (K.S.C., S.X.Y., S.Q.S., J.M.) and No. DMR-0706379 (D.G. and M.J.). Supercomputer support was provided by the NSF TeraGrid under Grant No. TG-DMR100007. This research also used resources of the National Center for Computational Sciences at Oak Ridge National Laboratory, which is supported by the Office of Science of the US Department of Energy under Contract No. DE-AC05-00OR22725. NR 89 TC 15 Z9 15 U1 6 U2 19 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1098-0121 J9 PHYS REV B JI Phys. Rev. B PD DEC 12 PY 2011 VL 84 IS 24 AR 245107 DI 10.1103/PhysRevB.84.245107 PG 13 WC Physics, Condensed Matter SC Physics GA 860FP UT WOS:000297934500002 ER PT J AU Shi, DS Li, YD Cabrera-Luque, J Jin, ZM Yu, XL Zhao, GX Haskins, N Allewell, NM Tuchman, M AF Shi, Dashuang Li, Yongdong Cabrera-Luque, Juan Jin, Zhongmin Yu, Xiaolin Zhao, Gengxiang Haskins, Nantaporn Allewell, Norma M. Tuchman, Mendel TI A Novel N-Acetylglutamate Synthase Architecture Revealed by the Crystal Structure of the Bifunctional Enzyme from Maricaulis maris SO PLOS ONE LA English DT Article ID L-GLUTAMATE KINASE; ARGININE-BIOSYNTHESIS; ESCHERICHIA-COLI; SWISS-MODEL; MYCOBACTERIUM-TUBERCULOSIS; XANTHOMONAS-CAMPESTRIS; SALMONELLA-TYPHIMURIUM; MOLECULAR REPLACEMENT; THERMOTOGA-MARITIMA; MAXIMUM-LIKELIHOOD AB Novel bifunctional N-acetylglutamate synthase/kinases (NAGS/K) that catalyze the first two steps of arginine biosynthesis and are homologous to vertebrate N-acetylglutamate synthase (NAGS), an essential cofactor-producing enzyme in the urea cycle, were identified in Maricaulis maris and several other bacteria. Arginine is an allosteric inhibitor of NAGS but not NAGK activity. The crystal structure of M. maris NAGS/K (mmNAGS/K) at 2.7 angstrom resolution indicates that it is a tetramer, in contrast to the hexameric structure of Neisseria gonorrhoeae NAGS. The quaternary structure of crystalline NAGS/K from Xanthomonas campestris (xcNAGS/K) is similar, and cross-linking experiments indicate that both mmNAGS/K and xcNAGS are tetramers in solution. Each subunit has an amino acid kinase (AAK) domain, which is likely responsible for N-acetylglutamate kinase (NAGK) activity and has a putative arginine binding site, and an N-acetyltransferase (NAT) domain that contains the putative NAGS active site. These structures and sequence comparisons suggest that the linker residue 291 may determine whether arginine acts as an allosteric inhibitor or activator in homologous enzymes in microorganisms and vertebrates. In addition, the angle of rotation between AAK and NAT domains varies among crystal forms and subunits within the tetramer. A rotation of 26 degrees is sufficient to close the predicted AcCoA binding site, thus reducing enzymatic activity. Since mmNAGS/K has the highest degree of sequence homology to vertebrate NAGS of NAGS and NAGK enzymes whose structures have been determined, the mmNAGS/K structure was used to develop a structural model of human NAGS that is fully consistent with the functional effects of the 14 missense mutations that were identified in NAGS-deficient patients. C1 [Shi, Dashuang; Li, Yongdong; Cabrera-Luque, Juan; Yu, Xiaolin; Zhao, Gengxiang; Haskins, Nantaporn; Tuchman, Mendel] George Washington Univ, Med Genet Res Ctr, Washington, DC USA. [Shi, Dashuang; Li, Yongdong; Cabrera-Luque, Juan; Yu, Xiaolin; Zhao, Gengxiang; Haskins, Nantaporn; Tuchman, Mendel] George Washington Univ, Childrens Natl Med Ctr, Dept Integrat Syst Biol, Washington, DC USA. [Li, Yongdong] Gannan Normal Univ, Key Lab Organopharmaceut Chem, Ganzhou, Jiangxi, Peoples R China. [Jin, Zhongmin] Argonne Natl Lab, Adv Photon Source, SE Reg Collaborat Access Team, Argonne, IL 60439 USA. [Allewell, Norma M.] Univ Maryland, Coll Comp Math & Nat Sci, Dept Mol Genet & Cell Biol, College Pk, MD 20742 USA. [Allewell, Norma M.] Univ Maryland, Dept Chem & Biochem, Coll Comp Math & Nat Sci, College Pk, MD 20742 USA. RP Shi, DS (reprint author), George Washington Univ, Med Genet Res Ctr, Washington, DC USA. EM dshi@cnmcresearch.org FU Public Health Service; National Institute of Diabetes, Digestive and Kidney Diseases [DK-DK064913, DK-067935]; National Institute of Child Health and Human Development [HD32652]; U. S. Department of Energy, Office of Science, Office of Basic Energy Sciences [W-31-109-Eng-38] FX This work was supported by Public Health Service grants DK-DK064913 (MT) and DK-067935 (DS) from the National Institute of Diabetes, Digestive and Kidney Diseases and HD32652 from the National Institute of Child Health and Human Development. Use of the Advanced Photon Source was supported by the U. S. Department of Energy, Office of Science, Office of Basic Energy Sciences, under Contract No. W-31-109-Eng-38. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript. NR 60 TC 8 Z9 8 U1 0 U2 3 PU PUBLIC LIBRARY SCIENCE PI SAN FRANCISCO PA 185 BERRY ST, STE 1300, SAN FRANCISCO, CA 94107 USA SN 1932-6203 J9 PLOS ONE JI PLoS One PD DEC 12 PY 2011 VL 6 IS 12 AR e28825 DI 10.1371/journal.pone.0028825 PG 15 WC Multidisciplinary Sciences SC Science & Technology - Other Topics GA 866FT UT WOS:000298366600042 PM 22174908 ER PT J AU Crocker, J Dioguardi, AP ApRoberts-Warren, N Shockley, AC Grafe, HJ Xu, Z Wen, J Gu, G Curro, NJ AF Crocker, J. Dioguardi, A. P. ApRoberts-Warren, N. Shockley, A. C. Grafe, H. -J. Xu, Z. Wen, J. Gu, G. Curro, N. J. TI NMR studies of pseudogap and electronic inhomogeneity in Bi2Sr2CaCu2O8+delta SO PHYSICAL REVIEW B LA English DT Article ID HIGH-TEMPERATURE SUPERCONDUCTORS; COPPER-OXIDE SUPERCONDUCTORS; FREQUENCY SPIN DYNAMICS; CUPRATE SUPERCONDUCTORS; MAGNETIC-RESONANCE; NEUTRON-SCATTERING; NUCLEAR-RELAXATION; NORMAL-STATE; MODEL; BEHAVIOR AB We report O-17 NMR measurements in single crystals of overdoped Bi2Sr2CaCu2O8+delta with T-c = 82 K. We measure the full anisotropy of the planar oxygen Knight shift, electric field gradient, and spin-lattice-relaxation rate tensors, and show that the entire temperature dependence is determined by the suppression of the density of states in the pseudogap below T* similar to 94 K. The linewidth can be explained by a combination of magnetic and quadrupolar broadening as a result of an inhomogeneous distribution of local hole concentrations that is consistent with scanning tunneling microscopy measurements. This distribution is temperature independent, does not break C-4 symmetry, and exhibits no change below T* or T-c. C1 [Crocker, J.; Dioguardi, A. P.; ApRoberts-Warren, N.; Shockley, A. C.; Curro, N. J.] Univ Calif Davis, Dept Phys, Davis, CA 95616 USA. [Grafe, H. -J.] Inst Solid State Res, IFW Dresden, D-01171 Dresden, Germany. [Xu, Z.; Wen, J.; Gu, G.] Brookhaven Natl Lab, Condensed Matter Phys & Mat Sci Dept, Upton, NY 11973 USA. RP Crocker, J (reprint author), Univ Calif Davis, Dept Phys, Davis, CA 95616 USA. EM curro@physics.ucdavis.edu RI Wen, Jinsheng/F-4209-2010; xu, zhijun/A-3264-2013; Curro, Nicholas/D-3413-2009 OI Wen, Jinsheng/0000-0001-5864-1466; xu, zhijun/0000-0001-7486-2015; Curro, Nicholas/0000-0001-7829-0237 FU National Science Foundation [DMR-1005393]; US Department of Energy (DOE) [DE-AC02-98CH10886] FX We thank P. Hirschfeld, S. Kivelson, D. Pines, and C. P. Slichter for stimulating discussions. Work at UC Davis was supported by National Science Foundation under Grant No. DMR-1005393, and work at BNL is supported by the US Department of Energy (DOE) under Contract No. DE-AC02-98CH10886. N.C. thanks the Aspen Center for Physics for hospitality during which part of this manuscript was prepared. NR 54 TC 9 Z9 9 U1 0 U2 20 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1098-0121 J9 PHYS REV B JI Phys. Rev. B PD DEC 12 PY 2011 VL 84 IS 22 AR 224502 DI 10.1103/PhysRevB.84.224502 PG 8 WC Physics, Condensed Matter SC Physics GA 860FB UT WOS:000297933100007 ER PT J AU Lazarevic, N Lei, HC Petrovic, C Popovic, ZV AF Lazarevic, N. Lei, Hechang Petrovic, C. Popovic, Z. V. TI Phonon and magnon excitations in block-antiferromagnetic K0.88Fe1.63S2 SO PHYSICAL REVIEW B LA English DT Article AB The vibrational properties of K0.88Fe1.63S2 were investigated using Raman spectroscopy and analyzed on the basis of peculiarities of its crystal structure. Fourteen Raman active modes, predicted by factor-group analysis, were observed and assigned, confirming Fe vacancy ordering. Phonon energy temperature dependence is fully driven by anharmonicity effects in the range of 80-300 K. High-energy Raman spectra revealed two-magnon excitations of three optical magnon branches. It is shown that the magnetic structure of this material is consistent with the high-temperature block-antiferromagnetism of K0.8Fe1.6Se2. C1 [Lazarevic, N.; Popovic, Z. V.] Univ Belgrade, Inst Phys Belgrade, Ctr Solid State Phys & New Mat, Belgrade 11080, Serbia. [Lei, Hechang; Petrovic, C.] Brookhaven Natl Lab, Condensed Matter Phys & Mat Sci Dept, Upton, NY 11973 USA. RP Lazarevic, N (reprint author), Univ Belgrade, Inst Phys Belgrade, Ctr Solid State Phys & New Mat, Pregrevica 118, Belgrade 11080, Serbia. RI Lazarevic, Nenad/C-3254-2012; Petrovic, Cedomir/A-8789-2009; LEI, Hechang/H-3278-2016 OI Petrovic, Cedomir/0000-0001-6063-1881; FU Serbian Ministry of Education and Science [ON171032, III45018]; US Department of Energy (DOE) [DE-AC02-98CH10886]; DOE Office for Basic Energy Science FX The authors express their thanks to Dr. Maja Scepanovic for help in measuring Raman spectra. This work was supported by the Serbian Ministry of Education and Science under Projects ON171032 and III45018. Work at Brookhaven is supported by the US Department of Energy (DOE) under Contract No. DE-AC02-98CH10886 and in part by the Center for Emergent Superconductivity, an Energy Frontier Research Center funded by the DOE Office for Basic Energy Science. NR 21 TC 13 Z9 13 U1 4 U2 17 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1098-0121 J9 PHYS REV B JI Phys. Rev. B PD DEC 12 PY 2011 VL 84 IS 21 AR 214305 DI 10.1103/PhysRevB.84.214305 PG 5 WC Physics, Condensed Matter SC Physics GA 860EV UT WOS:000297932500002 ER PT J AU Park, SR Hamann, A Pintschovius, L Lamago, D Khaliullin, G Fujita, M Yamada, K Gu, GD Tranquada, JM Reznik, D AF Park, S. R. Hamann, A. Pintschovius, L. Lamago, D. Khaliullin, G. Fujita, M. Yamada, K. Gu, G. D. Tranquada, J. M. Reznik, D. TI Effects of charge inhomogeneities on elementary excitations in La2-xSrxCuO4 SO PHYSICAL REVIEW B LA English DT Article ID COPPER-OXIDE SUPERCONDUCTORS; QUATERNARY ALLOYS; ATOMIC-SCALE; BI2SR2CACU2O8+DELTA; LOCALIZATION; TEMPERATURE; SPECTRA; MODEL; SCATTERING; MAGNETISM AB Purely local experimental probes of many copper oxide superconductors show that their electronic states are inhomogeneous in real space. For example, scanning tunneling spectroscopic imaging shows strong variations in real space, and according to nuclear quadrupole resonance (NQR) studies, the charge distribution in the bulk varies on the nanoscale. However, the analysis of the experimental results utilizing spatially averaged probes often ignores this fact. We have performed a detailed investigation of the doping dependence of the energy and linewidth of the zone-boundary Cu-O bond-stretching vibration in La2-xSrxCuO4 by inelastic neutron scattering. Both our results as well as previously reported angle-dependent momentum widths of the electronic spectral function detected by angle-resolved photoemission can be reproduced by including the same distribution of local environments extracted from the NQR analysis. C1 [Park, S. R.; Reznik, D.] Univ Colorado, Dept Phys, Boulder, CO 80309 USA. [Hamann, A.; Pintschovius, L.; Lamago, D.] Karlsruher Inst Technol, Inst Festkorperphys, D-76021 Karlsruhe, Germany. [Lamago, D.] CEA Saclay, Lab Leon Brillouin, F-91191 Gif Sur Yvette, France. [Khaliullin, G.] Max Planck Inst Festkorperforsch, D-70569 Stuttgart, Germany. [Fujita, M.] Tohoku Univ, Inst Mat Res, Senda, Miyagi 9808577, Japan. [Yamada, K.] Tohoku Univ, Adv Inst Mat Res, IWPI Res Ctr, Sendai, Miyagi 9808577, Japan. [Gu, G. D.; Tranquada, J. M.] Brookhaven Natl Lab, Condensed Matter Phys & Mat Sci Dept, Upton, NY 11973 USA. RP Park, SR (reprint author), Univ Colorado, Dept Phys, Boulder, CO 80309 USA. EM dmitry.reznik@colorado.edu RI Tranquada, John/A-9832-2009; Yamada, Kazuyoshi/C-2728-2009; Gu, Genda/D-5410-2013; Fujita, Masaki/D-8430-2013 OI Tranquada, John/0000-0003-4984-8857; Gu, Genda/0000-0002-9886-3255; FU US Department of Energy (DOE), Office of Basic Energy Sciences [DE-SC0006939]; Office of Basic Energy Sciences, Division of Materials Science and Engineering, DOE [DE-AC02-98CH10886]; MEXT of Japan [22244039] FX The work at the University of Colorado was supported by the US Department of Energy (DOE), Office of Basic Energy Sciences under Contract No. DE-SC0006939. G. D. G. and J.M.T. are supported at Brookhaven by the Office of Basic Energy Sciences, Division of Materials Science and Engineering, DOE, under Contract No. DE-AC02-98CH10886. The work at Tohoku University was supported by the Grant-In-Aid for Science Research A (Grant No. 22244039) from the MEXT of Japan. NR 49 TC 4 Z9 4 U1 0 U2 13 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 2469-9950 EI 2469-9969 J9 PHYS REV B JI Phys. Rev. B PD DEC 12 PY 2011 VL 84 IS 21 AR 214516 DI 10.1103/PhysRevB.84.214516 PG 6 WC Physics, Condensed Matter SC Physics GA 860EV UT WOS:000297932500005 ER PT J AU Abazov, VM Abbott, B Acharya, BS Adams, M Adams, T Alexeev, GD Alkhazov, G Alton, A Alverson, G Alves, GA Aoki, M Arov, M Askew, A Asman, B Atramentov, O Avila, C BackusMayes, J Badaud, F Bagby, L Baldin, B Bandurin, DV Banerjee, S Barberis, E Baringer, P Barreto, J Bartlett, JF Bassler, U Bazterra, V Beale, S Bean, A Begalli, M Begel, M Belanger-Champagne, C Bellantoni, L Beri, SB Bernardi, G Bernhard, R Bertram, I Besancon, M Beuselinck, R Bezzubov, VA Bhat, PC Bhatnagar, V Blazey, G Blessing, S Bloom, K Boehnlein, A Boline, D Boos, EE Borissov, G Bose, T Brandt, A Brandt, O Brock, R Brooijmans, G Bross, A Brown, D Brown, J Bu, XB Buehler, M Buescher, V Bunichev, V Burdin, S Burnett, TH Buszello, CP Calpas, B Camacho-Perez, E Carrasco-Lizarraga, MA Casey, BCK Castilla-Valdez, H Chakrabarti, S Chakraborty, D Chan, KM Chandra, A Chen, G Chevalier-Thery, S Cho, DK Cho, SW Choi, S Choudhary, B Cihangir, S Claes, D Clutter, J Cooke, M Cooper, WE Corcoran, M Couderc, F Cousinou, MC Croc, A Cutts, D Das, A Davies, G De, K de Jong, SJ De La Cruz-Burelo, E Deliot, F Demarteau, M Demina, R Denisov, D Denisov, SP Desai, S Deterre, C DeVaughan, K Diehl, HT Diesburg, M Ding, PF Dominguez, A Dorland, T Dubey, A Dudko, LV Duggan, D Duperrin, A Dutt, S Dyshkant, A Eads, M Edmunds, D Ellison, J Elvira, VD Enari, Y Evans, H Evdokimov, A Evdokimov, VN Facini, G Ferbel, T Fiedler, F Filthaut, F Fisher, W Fisk, HE Fortner, M Fox, H Fuess, S Garcia-Bellido, A Gavrilov, V Gay, P Geng, W Gerbaudo, D Gerber, CE Gershtein, Y Ginther, G Golovanov, G Goussiou, A Grannis, PD Greder, S Greenlee, H Greenwood, ZD Gregores, EM Grenier, G Gris, P Grivaz, JF Grohsjean, A Grunendahl, S Gruenewald, MW Guillemin, T Guo, F Gutierrez, G Gutierrez, P Haas, A Hagopian, S Haley, J Han, L Harder, K Harel, A Hauptman, JM Hays, J Head, T Hebbeker, T Hedin, D Hegab, H Heinson, AP Heintz, U Hensel, C Heredia-De La Cruz, I Herner, K Hesketh, G Hildreth, MD Hirosky, R Hoang, T Hobbs, JD Hoeneisen, B Hohlfeld, M Hubacek, Z Huske, N Hynek, V Iashvili, I Ilchenko, Y Illingworth, R Ito, AS Jabeen, S Jaffre, M Jamin, D Jayasinghe, A Jesik, R Johns, K Johnson, M Johnston, D Jonckheere, A Jonsson, P Joshi, J Jung, AW Juste, A Kaadze, K Kajfasz, E Karmanov, D Kasper, PA Katsanos, I Kehoe, R Kermiche, S Khalatyan, N Khanov, A Kharchilava, A Kharzheev, YN Kirby, MH Kohli, JM Kozelov, AV Kraus, J Kulikov, S Kumar, A Kupco, A Kurca, T Kuzmin, VA Kvita, J Lammers, S Landsberg, G Lebrun, P Lee, HS Lee, SW Lee, WM Lellouch, J Li, L Li, QZ Lietti, SM Lim, JK Lincoln, D Linnemann, J Lipaev, VV Lipton, R Liu, Y Liu, Z Lobodenko, A Lokajicek, M de Sa, RL Lubatti, HJ Luna-Garcia, R Lyon, AL Maciel, AKA Mackin, D Madar, R Magana-Villalba, R Malik, S Malyshev, VL Maravin, Y Martinez-Ortega, J McCarthy, R McGivern, CL Meijer, MM Melnitchouk, A Menezes, D Mercadante, PG Merkin, M Meyer, A Meyer, J Miconi, F Mondal, NK Muanza, GS Mulhearn, M Nagy, E Naimuddin, M Narain, M Nayyar, R Neal, HA Negret, JP Neustroev, P Novaes, SF Nunnemann, T Obrant, G Orbaker, D Orduna, J Osman, N Osta, J Garzon, GJOY Padilla, M Pal, A Parashar, N Parihar, V Park, SK Parsons, J Partridge, R Parua, N Patwa, A Penning, B Perfilov, M Peters, K Peters, Y Petridis, K Petrillo, G Petroff, P Piegaia, R Pleier, MA Podesta-Lerma, PLM Podstavkov, VM Polozov, P Popov, AV Prewitt, M Price, D Prokopenko, N Protopopescu, S Qian, J Quadt, A Quinn, B Rangel, MS Ranjan, K Ratoff, PN Razumov, I Renkel, P Rijssenbeek, M Ripp-Baudot, I Rizatdinova, F Rominsky, M Ross, A Royon, C Rubinov, P Ruchti, R Safronov, G Sajot, G Salcido, P Sanchez-Hernandez, A Sanders, MP Sanghi, B Santos, AS Savage, G Sawyer, L Scanlon, T Schamberger, RD Scheglov, Y Schellman, H Schliephake, T Schlobohm, S Schwanenberger, C Schwienhorst, R Sekaric, J Severini, H Shabalina, E Shary, V Shchukin, AA Shivpuri, RK Simak, V Sirotenko, V Skubic, P Slattery, P Smirnov, D Smith, KJ Snow, GR Snow, J Snyder, S Ldner-Rembold, SS Sonnenschein, L Soustruznik, K Stark, J Stolin, V Stoyanova, DA Strauss, M Strom, D Stutte, L Suter, L Svoisky, P Takahashi, M Tanasijczuk, A Taylor, W Titov, M Tokmenin, VV Tsai, YT Tsybychev, D Tuchming, B Tully, C Uvarov, L Uvarov, S Uzunyan, S Van Kooten, R Van Leeuwen, WM Varelas, N Varnes, EW Vasilyev, IA Verdier, P Vertogradov, LS Verzocchi, M Vesterinen, M Vilanova, D Vokac, P Wahl, HD Wang, MHLS Warchol, J Watts, G Wayne, M Weber, M Welty-Rieger, L White, A Wicke, D Williams, MRJ Wilson, GW Wobisch, M Wood, DR Wyatt, TR Xie, Y Xu, C Yacoob, S Yamada, R Yang, WC Yasuda, T Yatsunenko, YA Ye, Z Yin, H Yip, K Youn, SW Yu, J Zelitch, S Zhao, T Zhou, B Zhu, J Zielinski, M Zieminska, D Zivkovic, L AF Abazov, V. M. Abbott, B. Acharya, B. S. Adams, M. Adams, T. Alexeev, G. D. Alkhazov, G. Alton, A. Alverson, G. Alves, G. A. Aoki, M. Arov, M. Askew, A. Asman, B. Atramentov, O. Avila, C. BackusMayes, J. Badaud, F. Bagby, L. Baldin, B. Bandurin, D. V. Banerjee, S. Barberis, E. Baringer, P. Barreto, J. Bartlett, J. F. Bassler, U. Bazterra, V. Beale, S. Bean, A. Begalli, M. Begel, M. Belanger-Champagne, C. Bellantoni, L. Beri, S. B. Bernardi, G. Bernhard, R. Bertram, I. Besancon, M. Beuselinck, R. Bezzubov, V. A. Bhat, P. C. Bhatnagar, V. Blazey, G. Blessing, S. Bloom, K. Boehnlein, A. Boline, D. Boos, E. E. Borissov, G. Bose, T. Brandt, A. Brandt, O. Brock, R. Brooijmans, G. Bross, A. Brown, D. Brown, J. Bu, X. B. Buehler, M. Buescher, V. Bunichev, V. Burdin, S. Burnett, T. H. Buszello, C. P. Calpas, B. Camacho-Perez, E. Carrasco-Lizarraga, M. A. Casey, B. C. K. Castilla-Valdez, H. Chakrabarti, S. Chakraborty, D. Chan, K. M. Chandra, A. Chen, G. Chevalier-Thery, S. Cho, D. K. Cho, S. W. Choi, S. Choudhary, B. Cihangir, S. Claes, D. Clutter, J. Cooke, M. Cooper, W. E. Corcoran, M. Couderc, F. Cousinou, M. -C. Croc, A. Cutts, D. Das, A. Davies, G. De, K. de Jong, S. J. De La Cruz-Burelo, E. Deliot, F. Demarteau, M. Demina, R. Denisov, D. Denisov, S. P. Desai, S. Deterre, C. DeVaughan, K. Diehl, H. T. Diesburg, M. Ding, P. F. Dominguez, A. Dorland, T. Dubey, A. Dudko, L. V. Duggan, D. Duperrin, A. Dutt, S. Dyshkant, A. Eads, M. Edmunds, D. Ellison, J. Elvira, V. D. Enari, Y. Evans, H. Evdokimov, A. Evdokimov, V. N. Facini, G. Ferbel, T. Fiedler, F. Filthaut, F. Fisher, W. Fisk, H. E. Fortner, M. Fox, H. Fuess, S. Garcia-Bellido, A. Gavrilov, V. Gay, P. Geng, W. Gerbaudo, D. Gerber, C. E. Gershtein, Y. Ginther, G. Golovanov, G. Goussiou, A. Grannis, P. D. Greder, S. Greenlee, H. Greenwood, Z. D. Gregores, E. M. Grenier, G. Gris, Ph Grivaz, J. -F. Grohsjean, A. Gruenendahl, S. Gruenewald, M. W. Guillemin, T. Guo, F. Gutierrez, G. Gutierrez, P. Haas, A. Hagopian, S. Haley, J. Han, L. Harder, K. Harel, A. Hauptman, J. M. Hays, J. Head, T. Hebbeker, T. Hedin, D. Hegab, H. Heinson, A. P. Heintz, U. Hensel, C. Heredia-De La Cruz, I. Herner, K. Hesketh, G. Hildreth, M. D. Hirosky, R. Hoang, T. Hobbs, J. D. Hoeneisen, B. Hohlfeld, M. Hubacek, Z. Huske, N. Hynek, V. Iashvili, I. Ilchenko, Y. Illingworth, R. Ito, A. S. Jabeen, S. Jaffre, M. Jamin, D. Jayasinghe, A. Jesik, R. Johns, K. Johnson, M. Johnston, D. Jonckheere, A. Jonsson, P. Joshi, J. Jung, A. W. Juste, A. Kaadze, K. Kajfasz, E. Karmanov, D. Kasper, P. A. Katsanos, I. Kehoe, R. Kermiche, S. Khalatyan, N. Khanov, A. Kharchilava, A. Kharzheev, Y. N. Kirby, M. H. Kohli, J. M. Kozelov, A. V. Kraus, J. Kulikov, S. Kumar, A. Kupco, A. Kurca, T. Kuzmin, V. A. Kvita, J. Lammers, S. Landsberg, G. Lebrun, P. Lee, H. S. Lee, S. W. Lee, W. M. Lellouch, J. Li, L. Li, Q. Z. Lietti, S. M. Lim, J. K. Lincoln, D. Linnemann, J. Lipaev, V. V. Lipton, R. Liu, Y. Liu, Z. Lobodenko, A. Lokajicek, M. de Sa, R. Lopes Lubatti, H. J. Luna-Garcia, R. Lyon, A. L. Maciel, A. K. A. Mackin, D. Madar, R. Magana-Villalba, R. Malik, S. Malyshev, V. L. Maravin, Y. Martinez-Ortega, J. McCarthy, R. McGivern, C. L. Meijer, M. M. Melnitchouk, A. Menezes, D. Mercadante, P. G. Merkin, M. Meyer, A. Meyer, J. Miconi, F. Mondal, N. K. Muanza, G. S. Mulhearn, M. Nagy, E. Naimuddin, M. Narain, M. Nayyar, R. Neal, H. A. Negret, J. P. Neustroev, P. Novaes, S. F. Nunnemann, T. Obrant, G. Orbaker, D. Orduna, J. Osman, N. Osta, J. Otero y Garzon, G. J. Padilla, M. Pal, A. Parashar, N. Parihar, V. Park, S. K. Parsons, J. Partridge, R. Parua, N. Patwa, A. Penning, B. Perfilov, M. Peters, K. Peters, Y. Petridis, K. Petrillo, G. Petroff, P. Piegaia, R. Pleier, M. -A. Podesta-Lerma, P. L. M. Podstavkov, V. M. Polozov, P. Popov, A. V. Prewitt, M. Price, D. Prokopenko, N. Protopopescu, S. Qian, J. Quadt, A. Quinn, B. Rangel, M. S. Ranjan, K. Ratoff, P. N. Razumov, I. Renkel, P. Rijssenbeek, M. Ripp-Baudot, I. Rizatdinova, F. Rominsky, M. Ross, A. Royon, C. Rubinov, P. Ruchti, R. Safronov, G. Sajot, G. Salcido, P. Sanchez-Hernandez, A. Sanders, M. P. Sanghi, B. Santos, A. S. Savage, G. Sawyer, L. Scanlon, T. Schamberger, R. D. Scheglov, Y. Schellman, H. Schliephake, T. Schlobohm, S. Schwanenberger, C. Schwienhorst, R. Sekaric, J. Severini, H. Shabalina, E. Shary, V. Shchukin, A. A. Shivpuri, R. K. Simak, V. Sirotenko, V. Skubic, P. Slattery, P. Smirnov, D. Smith, K. J. Snow, G. R. Snow, J. Snyder, S. Ldner-Rembold, S. So Sonnenschein, L. Soustruznik, K. Stark, J. Stolin, V. Stoyanova, D. A. Strauss, M. Strom, D. Stutte, L. Suter, L. Svoisky, P. Takahashi, M. Tanasijczuk, A. Taylor, W. Titov, M. Tokmenin, V. V. Tsai, Y. -T. Tsybychev, D. Tuchming, B. Tully, C. Uvarov, L. Uvarov, S. Uzunyan, S. Van Kooten, R. van Leeuwen, W. M. Varelas, N. Varnes, E. W. Vasilyev, I. A. Verdier, P. Vertogradov, L. S. Verzocchi, M. Vesterinen, M. Vilanova, D. Vokac, P. Wahl, H. D. Wang, M. H. L. S. Warchol, J. Watts, G. Wayne, M. Weber, M. Welty-Rieger, L. White, A. Wicke, D. Williams, M. R. J. Wilson, G. W. Wobisch, M. Wood, D. R. Wyatt, T. R. Xie, Y. Xu, C. Yacoob, S. Yamada, R. Yang, W. -C. Yasuda, T. Yatsunenko, Y. A. Ye, Z. Yin, H. Yip, K. Youn, S. W. Yu, J. Zelitch, S. Zhao, T. Zhou, B. Zhu, J. Zielinski, M. Zieminska, D. Zivkovic, L. CA D0 Collaboration TI Forward-backward asymmetry in top quark-antiquark production SO PHYSICAL REVIEW D LA English DT Article ID PAIR PRODUCTION; DETECTOR; JET AB We present a measurement of forward-backward asymmetry in top quark-antiquark production in proton-antiproton collisions in the final state containing a lepton and at least four jets. Using a data set corresponding to an integrated luminosity of 5.4 fb(-1), collected by the D0 experiment at the Fermilab Tevatron Collider, we measure the t (t) over bar forward-backward asymmetry to be (9.2 +/- 3.7)% at the reconstruction level. When corrected for detector acceptance and resolution, the asymmetry is found to be (19.6 +/- 6.5)%. We also measure a corrected asymmetry based on the lepton from a top quark decay, found to be (15.2 +/- 4.0)%. The results are compared to predictions based on the next-to-leading-order QCD generator MC@NLO. The sensitivity of the measured and predicted asymmetries to the modeling of gluon radiation is discussed. C1 [Abazov, V. M.; Alexeev, G. D.; Golovanov, G.; Kharzheev, Y. N.; Malyshev, V. L.; Tokmenin, V. V.; Vertogradov, L. S.; Yatsunenko, Y. A.] Joint Inst Nucl Res, Dubna, Russia. [Otero y Garzon, G. J.; Piegaia, R.; Tanasijczuk, A.] Univ Buenos Aires, Buenos Aires, DF, Argentina. [Alves, G. A.; Maciel, A. K. A.; Rangel, M. S.] Ctr Brasileiro Pesquisas fis, LAFEX, Rio De Janeiro, Brazil. [Barreto, J.; Begalli, M.] Univ Estado Rio de Janeiro, Rio De Janeiro, Brazil. [Gregores, E. M.; Mercadante, P. G.] Univ Fed ABC, Santo Andre, Brazil. [Lietti, S. M.; Novaes, S. F.; Santos, A. S.] Univ Estadual Paulista, Inst Fis Teor, BR-01405 Sao Paulo, Brazil. [Beale, S.; Liu, Z.; Taylor, W.] Simon Fraser Univ, Vancouver, BC, Canada. [Beale, S.; Liu, Z.; Taylor, W.] York Univ, Toronto, ON M3J 2R7, Canada. [Han, L.; Liu, Y.] Univ Sci & Technol China, Hefei 230026, Peoples R China. [Avila, C.; Negret, J. P.] Univ Los Andes, Bogota, Colombia. [Kvita, J.; Soustruznik, K.] Charles Univ Prague, Fac Math & Phys, Ctr Particle Phys, Prague, Czech Republic. [Hubacek, Z.; Hynek, V.; Simak, V.; Vokac, P.] Czech Tech Univ, CR-16635 Prague, Czech Republic. [Kupco, A.; Lokajicek, M.] Acad Sci Czech Republic, Inst Phys, Ctr Particle Phys, Prague, Czech Republic. [Hoeneisen, B.] Univ San Francisco Quito, Quito, Ecuador. [Badaud, F.; Gay, P.; Gris, Ph] Univ Clermont Ferrand, LPC, CNRS, IN2P3, Clermont, France. [Sajot, G.; Stark, J.] Univ Grenoble 1, CNRS, IN2P3, LPSC,Inst Natl Polytech Grenoble, Grenoble, France. 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[Das, A.; Johns, K.; Varnes, E. W.] Univ Arizona, Tucson, AZ 85721 USA. [Ellison, J.; Heinson, A. P.; Li, L.; Padilla, M.] Univ Calif Riverside, Riverside, CA 92521 USA. [Adams, T.; Askew, A.; Bandurin, D. V.; Blessing, S.; Hagopian, S.; Hoang, T.; Wahl, H. D.] Florida State Univ, Tallahassee, FL 32306 USA. [Aoki, M.; Bagby, L.; Baldin, B.; Bartlett, J. F.; Bellantoni, L.; Bhat, P. C.; Boehnlein, A.; Bross, A.; Bu, X. B.; Casey, B. C. K.; Cihangir, S.; Cooke, M.; Cooper, W. E.; Demarteau, M.; Denisov, D.; Desai, S.; Diehl, H. T.; Diesburg, M.; Elvira, V. D.; Fisk, H. E.; Fuess, S.; Ginther, G.; Greenlee, H.; Gruenendahl, S.; Gutierrez, G.; Illingworth, R.; Ito, A. S.; Johnson, M.; Jonckheere, A.; Jung, A. W.; Kasper, P. A.; Khalatyan, N.; Lee, W. M.; Li, Q. Z.; Lincoln, D.; Lipton, R.; Lyon, A. L.; Penning, B.; Podstavkov, V. M.; Rominsky, M.; Rubinov, P.; Sanghi, B.; Savage, G.; Sirotenko, V.; Stutte, L.; Verzocchi, M.; Wang, M. H. L. 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K.; Cutts, D.; Heintz, U.; Jabeen, S.; Landsberg, G.; Narain, M.; Parihar, V.; Partridge, R.; Zivkovic, L.] Brown Univ, Providence, RI 02912 USA. [Brandt, A.; De, K.; Pal, A.; White, A.; Yu, J.] Univ Texas Arlington, Arlington, TX 76019 USA. [Ilchenko, Y.; Kehoe, R.; Renkel, P.] So Methodist Univ, Dallas, TX 75275 USA. [Chandra, A.; Corcoran, M.; Mackin, D.; Orduna, J.; Prewitt, M.] Rice Univ, Houston, TX 77005 USA. [Buehler, M.; Hirosky, R.; Mulhearn, M.; Zelitch, S.] Univ Virginia, Charlottesville, VA 22901 USA. [BackusMayes, J.; Burnett, T. H.; Dorland, T.; Goussiou, A.; Lubatti, H. J.; Schlobohm, S.; Watts, G.; Zhao, T.] Univ Washington, Seattle, WA 98195 USA. RP Abazov, VM (reprint author), Joint Inst Nucl Res, Dubna, Russia. RI De, Kaushik/N-1953-2013; Deliot, Frederic/F-3321-2014; Sharyy, Viatcheslav/F-9057-2014; Lokajicek, Milos/G-7800-2014; Kupco, Alexander/G-9713-2014; Kozelov, Alexander/J-3812-2014; Gerbaudo, Davide/J-4536-2012; Li, Liang/O-1107-2015; Juste, Aurelio/I-2531-2015; Gutierrez, Phillip/C-1161-2011; bu, xuebing/D-1121-2012; Merkin, Mikhail/D-6809-2012; Dudko, Lev/D-7127-2012; Mercadante, Pedro/K-1918-2012; Alves, Gilvan/C-4007-2013; Yip, Kin/D-6860-2013; Fisher, Wade/N-4491-2013; Perfilov, Maxim/E-1064-2012; Boos, Eduard/D-9748-2012; Novaes, Sergio/D-3532-2012; Santos, Angelo/K-5552-2012 OI Price, Darren/0000-0003-2750-9977; Filthaut, Frank/0000-0003-3338-2247; Bertram, Iain/0000-0003-4073-4941; Belanger-Champagne, Camille/0000-0003-2368-2617; Heredia De La Cruz, Ivan/0000-0002-8133-6467; Evans, Harold/0000-0003-2183-3127; Qian, Jianming/0000-0003-4813-8167; Haas, Andrew/0000-0002-4832-0455; Williams, Mark/0000-0001-5448-4213; Weber, Michele/0000-0002-2770-9031; Grohsjean, Alexander/0000-0003-0748-8494; Melnychuk, Oleksandr/0000-0002-2089-8685; Ding, Pengfei/0000-0002-4050-1753; Bassler, Ursula/0000-0002-9041-3057; Duperrin, Arnaud/0000-0002-5789-9825; Hoeneisen, Bruce/0000-0002-6059-4256; Beuselinck, Raymond/0000-0003-2613-7446; Heinson, Ann/0000-0003-4209-6146; grannis, paul/0000-0003-4692-2142; Malik, Sudhir/0000-0002-6356-2655; Blazey, Gerald/0000-0002-7435-5758; Wahl, Horst/0000-0002-1345-0401; Gershtein, Yuri/0000-0002-4871-5449; Bean, Alice/0000-0001-5967-8674; Sawyer, Lee/0000-0001-8295-0605; Begel, Michael/0000-0002-1634-4399; De, Kaushik/0000-0002-5647-4489; Sharyy, Viatcheslav/0000-0002-7161-2616; Gerbaudo, Davide/0000-0002-4463-0878; Li, Liang/0000-0001-6411-6107; Hedin, David/0000-0001-9984-215X; Juste, Aurelio/0000-0002-1558-3291; de Jong, Sijbrand/0000-0002-3120-3367; Landsberg, Greg/0000-0002-4184-9380; Blessing, Susan/0000-0002-4455-7279; Dudko, Lev/0000-0002-4462-3192; Yip, Kin/0000-0002-8576-4311; Novaes, Sergio/0000-0003-0471-8549; FU DOE; NSF (USA); CEA; CNRS/IN2P3 (France); FASI; Rosatom; RFBR (Russia); CNPq; FAPERJ; FAPESP; FUNDUNESP (Brazil); DAE; DST (India); Colciencias (Colombia); CONACyT (Mexico); KRF; KOSEF (Korea); CONICET; UBACyT (Argentina); FOM (The Netherlands); STFC; Royal Society (United Kingdom); MSMT; GACR (Czech Republic); CRC; NSERC (Canada); BMBF; DFG (Germany); SFI (Ireland); Swedish Research Council (Sweden); CAS; CNSF (China) FX We thank M. Mangano, P.Z. Skands, C.-P. Yuan, and L. Dixon for enlightening discussions. We thank the staffs at Fermilab and collaborating institutions, and acknowledge support from the DOE and NSF (USA); CEA and CNRS/IN2P3 (France); FASI, Rosatom, and RFBR (Russia); CNPq, FAPERJ, FAPESP, and FUNDUNESP (Brazil); DAE and DST (India); Colciencias (Colombia); CONACyT (Mexico); KRF and KOSEF (Korea); CONICET and UBACyT (Argentina); FOM (The Netherlands); STFC and the Royal Society (United Kingdom); MSMT and GACR (Czech Republic); CRC Program and NSERC (Canada); BMBF and DFG (Germany); SFI (Ireland); The Swedish Research Council (Sweden); and CAS and CNSF (China). NR 39 TC 191 Z9 191 U1 1 U2 25 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 2470-0010 EI 2470-0029 J9 PHYS REV D JI Phys. Rev. D PD DEC 12 PY 2011 VL 84 IS 11 AR 112005 DI 10.1103/PhysRevD.84.112005 PG 13 WC Astronomy & Astrophysics; Physics, Particles & Fields SC Astronomy & Astrophysics; Physics GA 860GT UT WOS:000297937500001 ER PT J AU Zhang, SY Trbojevic, D AF Zhang, S. Y. Trbojevic, D. TI Experimental background for rf upgrade in the relativistic heavy ion collider SO NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT LA English DT Article DE Electron cloud; Background; Pressure rise; Beam-gas; Bunch length AB The electron cloud induced experimental background has been a concern in heavy ion and polarized proton operations in the Relativistic Heavy Ion Collider. This background comes from the beam-gas collisions, and the electron cloud induced dynamic pressure rise at the interaction regions is a culprit. In recent proton runs, a dependence of the electron cloud on bunch length at the beam acceleration and store has been observed. For given beam intensity, shorter bunches produce stronger electron multipacting. The RHIC rf upgrade plan calls for shorter bunches at store, therefore, this background may become a luminosity limiting factor. The observation of the electron cloud induced background is reported, and the issues relevant to the RHIC rf upgrade are studied. (C) 2011 Elsevier B.V. All rights reserved. C1 [Zhang, S. Y.; Trbojevic, D.] Brookhaven Natl Lab, Upton, NY 11973 USA. RP Zhang, SY (reprint author), Brookhaven Natl Lab, Upton, NY 11973 USA. EM syzhang@BNL.GOV FU Brookhaven Science Associates, LLC [DE-AC02-98CH10886]; U.S. Department of Energy; Renaissance Technologies Corporation FX This work was supported by Brookhaven Science Associates, LLC under Contract No. DE-AC02-98CH10886 with the U.S. Department of Energy and by a sponsored research grant from Renaissance Technologies Corporation. NR 20 TC 0 Z9 0 U1 0 U2 1 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 0168-9002 J9 NUCL INSTRUM METH A JI Nucl. Instrum. Methods Phys. Res. Sect. A-Accel. Spectrom. Dect. Assoc. Equip. PD DEC 11 PY 2011 VL 659 IS 1 BP 78 EP 83 DI 10.1016/j.nima.2011.05.066 PG 6 WC Instruments & Instrumentation; Nuclear Science & Technology; Physics, Nuclear; Physics, Particles & Fields SC Instruments & Instrumentation; Nuclear Science & Technology; Physics GA 858TR UT WOS:000297826100012 ER PT J AU Abe, K Abgrall, N Aihara, H Ajima, Y Albert, JB Allan, D Amaudruz, PA Andreopoulos, C Andrieu, B Anerella, MD Angelsen, C Aoki, S Araoka, O Argyriades, J Ariga, A Ariga, T Assylbekov, S de Andre, JPAM Autiero, D Badertscher, A Ballester, O Barbi, M Barker, GJ Baron, P Barr, G Bartoszek, L Batkiewicz, M Bay, F Bentham, S Berardi, V Berger, BE Berns, H Bertram, I Besnier, M Beucher, J Beznosko, D Bhadra, S Birney, P Bishop, D Blackmore, E Blaszczyk, FDM Blocki, J Blondel, A Bodek, A Bojechko, C Bouchez, J Boussuge, T Boyd, SB Boyer, M Braam, HN Bradford, R Bravar, A Briggs, K Brinson, JD Bronner, C Brook-Roberge, DG Bryant, M Buchanan, N Budd, H Cadabeschi, M Calland, RG Calvet, D Rodriguez, JC Carroll, J Cartwright, SL Carver, A Castillo, R Catanesi, MG Cavata, C Cazes, A Cervera, A Charrier, JP Chavez, C Choi, S Chollet, S Christodoulou, G Colas, P Coleman, J Coleman, W Collazuol, G Connolly, K Cooke, P Curioni, A Dabrowska, A Danko, I Das, R Davies, GS Davis, S Day, M De la Broise, X de Perio, P De Rosa, G Dealtry, T Debraine, A Delagnes, E Delbart, A Densham, C Di Lodovico, F Di Luise, S Tran, PD Dobson, J Doornbos, J Dore, U Drapier, O Druillole, F Dufour, F Dumarchez, J Durkin, T Dytman, S Dziewiecki, M Dziomba, M Ellison, B Emery, S Ereditato, A Escallier, JE Escudero, L Esposito, LS Faszer, W Fechner, M Ferrero, A Finch, A Fisher, C Fitton, M Flight, R Forbush, D Frank, E Fransham, K Fujii, Y Fukuda, Y Gallop, M Galymov, V Ganetis, GL Gannaway, FC Gaudin, A Gaweda, J Gendotti, A George, M Giffin, S Giganti, C Gilje, K Giomataris, I Giraud, J Ghosh, AK Golan, T Goldhaber, M Gomez-Cadenas, JJ Gomi, S Gonin, M Goyette, M Grant, A Grant, N Granena, F Greenwood, S 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CA T2K Expt TI The T2K experiment SO NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT LA English DT Article DE Neutrinos; Neutrino oscillation; Long baseline; T2K; J-PARC; Super-Kamiokande ID ELASTIC ELECTRON-SCATTERING; WATER CHERENKOV DETECTOR; PARC NEUTRINO EXPERIMENT; SINGLE PION-PRODUCTION; PIXEL PHOTON COUNTERS; LEPTON SCATTERING; NUCLEAR-EMULSION; CHARGED CURRENT; MUON MONITOR; PROTON-DECAY AB The T2K experiment is a long baseline neutrino oscillation experiment. Its main goal is to measure the last unknown lepton sector mixing angle theta(13) by observing nu(e) appearance in a nu(mu) beam. It also aims to make a precision measurement of the known oscillation parameters, Delta m(23)(2) and sin(2)2 theta(23), via nu(mu) disappearance studies. Other goals of the experiment include various neutrino cross-section measurements and sterile neutrino searches. The experiment uses an intense proton beam generated by the J-PARC accelerator in Tokai, Japan, and is composed of a neutrino beamline, a near detector complex (ND280), and a far detector (Super-Kamiokande) located 295 km away from J-PARC. This paper provides a comprehensive review of the instrumentation aspect of the T2K experiment and a summary of the vital information for each subsystem. (C) 2011 Elsevier B.V. All rights reserved. C1 [Beznosko, D.; Gilje, K.; Hignight, J.; Imber, J.; Jung, C. K.; Le, P. T.; Lopez, G. D.; Malafis, C. J.; McGrew, C.; Nagashima, G.; Nelson, B.; Paul, P.; Ramos, K.; Schmidt, J.; Steffens, J.; Tadepalli, A. S.; Taylor, I. J.; Toki, W.; Yanagisawa, C.] SUNY Stony Brook, Dept Phys & Astron, Stony Brook, NY 11794 USA. [Kitching, P.] Univ Alberta, Dept Phys, Ctr Particle Phys, Edmonton, AB, Canada. [Kowalik, K.; Lagoda, J.; Mijakowski, P.; Przewlocki, P.; Rondio, E.; Sulej, R.; Szeptycka, M.] Andrzej Soltan Inst Nucl Studies, Warsaw, Poland. 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V.; Weber, A.; West, N.; Williamson, Z.] Univ Oxford, Dept Phys, Oxford, England. [Andrieu, B.; Dumarchez, J.; Popov, B.; Robert, A.] Univ Paris Diderot, UPMC, LPNHE, CNRS,IN2P3, Paris, France. [Danko, I.; Dytman, S.; Naples, D.; Paolone, V.] Univ Pittsburgh, Dept Phys & Astron, Pittsburgh, PA 15260 USA. [Di Lodovico, F.; Gannaway, F. C.; George, M.; Hyndman, A.; Owen, R. A.; Poplawska, E.; Sacco, R.; Still, B.; Terri, R.; Wilson, J. R.] Queen Mary Univ London, Sch Phys, London, England. [Barbi, M.; Giffin, S.; Hastings, N. C.; Licciardi, C.; Mathie, E. L.; Tacik, R.] Univ Regina, Dept Phys, Regina, SK S4S 0A2, Canada. [Bodek, A.; Bradford, R.; Budd, H.; Day, M.; Flight, R.; Manly, S.; McFarland, K. S.; Rodrigues, P. A.] Univ Rochester, Dept Phys & Astron, Rochester, NY 14627 USA. [Laihem, K.; Roth, S.; Stahl, A.; Steinmann, J.; Terhorst, D.] Rhein Westfal TH Aachen, Inst Phys 3, Aachen, Germany. [Choi, S.; Kim, S-B] Seoul Natl Univ, Dept Phys, Seoul 151742, South Korea. [Cartwright, S. L.; Haycock, T. D. J.; Lawson, T. B.; Perkin, J. D.; Sadler, S.; Thompson, L. F.; Veledar, O.; Ward, M. A.; Ward, G. P.] Univ Sheffield, Dept Phys & Astron, Sheffield, S Yorkshire, England. [Holeczek, J.; Kisiel, J.; Szeglowski, T.] Univ Silesia, Inst Phys, Katowice, Poland. [Grant, A.; Muir, A.] STFC, Daresbury Lab, Warrington, Cheshire, England. [Allan, D.; Andreopoulos, C.; Angelsen, C.; Dealtry, T.; Densham, C.; Durkin, T.; Fitton, M.; Grant, N.; Ilic, J.; Metelko, C.; Nicholls, T. C.; Pearce, G. F.; Preece, R.; Qian, W.; Raufer, T. M.; Rooney, M.; Siyad, M.; Thorpe, M.; Wark, D.; Weber, A.] STFC, Rutherford Appleton Lab, Harwell Oxford, England. [Aihara, H.; Iwasaki, M.; Kakuno, H.; Yokoyama, M.] Univ Tokyo, Dept Phys, Tokyo 113, Japan. [Abe, K.; Hayato, Y.; Iyogi, K.; Kameda, J.; Koshio, Y.; Kouzuma, Y.; Miura, M.; Moriyama, S.; Nakahata, M.; Nakayama, S.; Obayashi, Y.; Sekiya, H.; Shiozawa, M.; Suzuki, Y.; Takeda, A.; Takenaga, Y.; Ueno, K.; Yamada, S.] Univ Tokyo, Inst Cosm Ray Res, Kamioka Observ, Kamioka, Akita, Japan. [Ishihara, C.; Kaji, H.; Kajita, T.; Lee, K. P.; McLachlan, T.; Mituka, G.; Nishino, H.; Okumura, K.; Shimizu, Y.; Tanimoto, N.] Univ Tokyo, Inst Cosm Ray Res, Res Ctr Cosm Neutrinos, Kashiwa, Chiba, Japan. [Cadabeschi, M.; de Perio, P.; Hartz, M.; Marino, A. D.; Martin, J. F.] Univ Toronto, Dept Phys, Toronto, ON, Canada. [Amaudruz, P-A; Birney, P.; Bishop, D.; Blackmore, E.; Doornbos, J.; Faszer, W.; Fisher, C.; Gallop, M.; Goyette, M.; Gumplinger, P.; Hamano, K.; Helmer, R. L.; Henderson, R.; Karlen, D.; Kato, I.; Khan, N.; Konaka, A.; Kurchaninov, L.; Langstaff, R.; Le Ross, M.; Lenckowski, M.; Mahn, K.; Mark, C.; Miller, C. A.; Mizouchi, K.; Morris, D.; Ohlmann, C.; Olchanski, K.; Openshaw, R.; Pearson, C.; Poutissou, J-M; Poutissou, R.; Retiere, F.; Ross, D.; Sheffer, G.; Sooriyakumaran, S.; Star, O.; Vincent, P.; Wilking, M. J.; Wong, K.; Yen, S.] TRIUMF, Vancouver, BC V6T 2A3, Canada. [Birney, P.; Bojechko, C.; Braam, H. N.; Fransham, K.; Gaudin, A.; Hasanen, R.; Honkanen, N.; Karlen, D.; Langstaff, R.; Lenckowski, M.; Myslik, J.; Pfleger, M.; Poffenberger, P.; Roney, M.; Tvaskis, V.] Univ Victoria, Dept Phys & Astron, Victoria, BC, Canada. [Kielczewska, D.; Posiadala, M.] Univ Warsaw, Fac Phys, Warsaw, Poland. [Dziewiecki, M.; Kurjata, R.; Marzec, J.; Plonski, P.; Sulej, R.; Zaremba, K.; Ziembicki, M.] Warsaw Univ Technol, Inst Radioelect, Warsaw, Poland. [Barker, G. J.; Boyd, S. B.; Briggs, K.; Carver, A.; Harrison, P. F.; Litchfield, R. P.; Morgan, B.; Richards, D.; Scully, D. I.; Whitehead, L. H.] Univ Warwick, Dept Phys, Coventry CV4 7AL, W Midlands, England. [Berns, H.; Connolly, K.; Davis, S.; Dziomba, M.; Forbush, D.; Wilkes, R. J.] Univ Washington, Dept Phys, Seattle, WA 98195 USA. [Golan, T.; Sobczyk, J.; Zmuda, J.] Univ Wroclaw, Fac Phys & Astron, PL-50138 Wroclaw, Poland. [Bhadra, S.; Galymov, V.; Hartz, M.; Stawnyczy, L.] York Univ, Dept Phys & Astron, Toronto, ON M3J 2R7, Canada. [Popov, B.] Joint Inst Nucl Res Dubna, Dubna, Russia. [Yanagisawa, C.] CUNY, BMCC, New York, NY 10021 USA. RP Jung, CK (reprint author), SUNY Stony Brook, Dept Phys & Astron, Stony Brook, NY 11794 USA. EM chang.jung@stonybrook.edu RI Takeuchi, Yasuo/A-4310-2011; Sobel, Henry/A-4369-2011; Stahl, Achim/E-8846-2011; Collazuol, Gianmaria/C-5670-2012; Kormos, Laura/D-1032-2012; Colas, Paul/F-2876-2013; De Rosa, Gianfranca/E-8737-2012; Yokoyama, Masashi/A-4458-2011; Berardi, Vincenzo/H-4550-2011; Aihara, Hiroaki/F-3854-2010; Suzuki, Yoichiro/F-7542-2010; Obayashi, Yoshihisa/A-4472-2011; Wilkes, R.Jeffrey/E-6011-2013; Khabibullin, Marat/O-1076-2013; Kim, Soo-Bong/B-7061-2014; Lux, Thorsten/D-2156-2014; Nielsen, Bent/B-7353-2009; Gomez Cadenas, Juan Jose/L-2003-2014; Koshio, Yusuke/C-2847-2015; Ludovici, Lucio/F-5917-2011; Aoki, Shigeki/L-6044-2015; Hiraide, Katsuki/A-4479-2011; CAVATA, Christian/P-6496-2015; Sobczyk, Jan/C-9761-2016; Kisiel, Jan/G-9321-2012; delagnes, eric/G-8782-2011; Kurjata, Robert/I-5112-2016; Roth, Stefan/J-2757-2016; Sanchez, Federico/F-5809-2012; Di Lodovico, Francesca/L-9109-2016; Nowak, Jaroslaw/P-2502-2016; OI Stahl, Achim/0000-0002-8369-7506; Collazuol, Gianmaria/0000-0002-7876-6124; De Rosa, Gianfranca/0000-0002-2197-511X; Yokoyama, Masashi/0000-0003-2742-0251; Aihara, Hiroaki/0000-0002-1907-5964; Lux, Thorsten/0000-0002-7807-0856; Nielsen, Bent/0000-0001-7016-0040; Gomez Cadenas, Juan Jose/0000-0002-8224-7714; Koshio, Yusuke/0000-0003-0437-8505; Ludovici, Lucio/0000-0003-1970-9960; Kisiel, Jan/0000-0001-6092-3307; Beznosko, Dmitriy/0000-0003-4828-8659; Wilson, Robert/0000-0002-8184-4103; Finch, Alexander/0000-0002-5433-6031; Longhin, Andrea/0000-0001-9103-9936; Weber, Alfons/0000-0002-8222-6681; Sadler, Stephen/0000-0001-9195-7569; Bertram, Iain/0000-0003-4073-4941; Raaf, Jennifer/0000-0002-4533-929X; Spitz, Joshua/0000-0002-6288-7028; Korzenev, Alexander/0000-0003-2107-4415; Marchionni, Alberto/0000-0003-3039-9537; Jamieson, Blair/0000-0003-3589-9127; Sorel, Michel/0000-0003-2141-9508; Kurjata, Robert/0000-0001-8547-910X; Roth, Stefan/0000-0003-3616-2223; Sanchez, Federico/0000-0003-0320-3623; Di Lodovico, Francesca/0000-0003-3952-2175; Nowak, Jaroslaw/0000-0001-8637-5433; Wascko, Morgan/0000-0002-8348-4447; MARINO, ALYSIA/0000-0002-1709-538X; Escudero, Lorena/0000-0003-3464-9206; Mavrokoridis, Konstantinos/0000-0002-9244-4519; Rossi, Biagio/0000-0002-0807-8772 FU Japanese Ministry of Education, Culture, Sports, Science and Technology (MEXT); MEXT, Japan; Natural Sciences and Engineering Research Council of Canada; TRIUMF; Canada Foundation for Innovation; National Research Council, Canada; Commissariat a l'Energie Atomique; Centre National de la Recherche Scientifique-Institut National de Physique Nucleaire et de Physique des Particules, France; Deutsche Forschungsgemeinschaft, Germany; Istituto Nazionale di Fisica Nucleare, Italy; Polish Ministry of Science and Higher Education, Poland; Russian Academy of Sciences; Russian Foundation for Basic Research; Ministry of Education and Science of the Russian Federation, Russia; National Research Foundation; Ministry of Education, Science and Technology of Korea, Korea; Centro Nacional De Fisica De Particulas; Astroparticulas y Nuclear; Ministerio de Ciencia e Innovacion, Spain; Swiss National Science Foundation; Swiss State Secretariat for Education and Research, Switzerland; Science and Technology Facilities Council, U.K.; Department of Energy, U.S.A.; European Research Council; Japan Society for the Promotion of Science; U.S. Department of Energy; A. P. Sloan Foundation FX The authors thank the Japanese Ministry of Education, Culture, Sports, Science and Technology (MEXT) for their support for T2K. The T2K neutrino beamline, the ND280 detector and the Super-Kamiokande detector have been built and operated using funds provided by: the MEXT, Japan; the Natural Sciences and Engineering Research Council of Canada, TRIUMF, the Canada Foundation for Innovation, and the National Research Council, Canada; Commissariat a l'Energie Atomique, and Centre National de la Recherche Scientifique-Institut National de Physique Nucleaire et de Physique des Particules, France; Deutsche Forschungsgemeinschaft, Germany; Istituto Nazionale di Fisica Nucleare, Italy; the Polish Ministry of Science and Higher Education, Poland; the Russian Academy of Sciences, the Russian Foundation for Basic Research, and the Ministry of Education and Science of the Russian Federation, Russia; the National Research Foundation, and the Ministry of Education, Science and Technology of Korea, Korea; Centro Nacional De Fisica De Particulas, Astroparticulas y Nuclear, and Ministerio de Ciencia e Innovacion, Spain; the Swiss National Science Foundation and the Swiss State Secretariat for Education and Research, Switzerland; the Science and Technology Facilities Council, U.K.; and the Department of Energy, U.S.A. NR 110 TC 219 Z9 219 U1 6 U2 52 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 0168-9002 EI 1872-9576 J9 NUCL INSTRUM METH A JI Nucl. Instrum. Methods Phys. Res. Sect. A-Accel. Spectrom. Dect. Assoc. Equip. PD DEC 11 PY 2011 VL 659 IS 1 BP 106 EP 135 DI 10.1016/j.nima.2011.06.067 PG 30 WC Instruments & Instrumentation; Nuclear Science & Technology; Physics, Nuclear; Physics, Particles & Fields SC Instruments & Instrumentation; Nuclear Science & Technology; Physics GA 858TR UT WOS:000297826100016 ER PT J AU Ellis, M Hobson, PR Kyberd, P Nebrensky, JJ Bross, A Fagan, J Fitzpatrick, T Flores, R Kubinski, R Krider, J Rucinski, R Rubinov, P Tolian, C Hart, TL Kaplan, DM Luebke, W Freemire, B Wojcik, M Barber, G Clark, D Clark, I Dornan, PJ Fish, A Greenwood, S Hare, R Jamdagni, A Kasey, V Khaleeq, M Leaver, J Long, KR McKigney, E Matsushita, T Rogers, C Sashalmi, T Savage, P Takahashi, M Tapper, A Yoshimura, K Cooke, P Gamet, R Sakamoto, H Kuno, Y Sato, A Yano, T Yoshida, M MacWaters, C Coney, L Hanson, G Klier, A Cline, D Yang, X Adey, D AF Ellis, M. Hobson, P. R. Kyberd, P. Nebrensky, J. J. Bross, A. Fagan, J. Fitzpatrick, T. Flores, R. Kubinski, R. Krider, J. Rucinski, R. Rubinov, P. Tolian, C. Hart, T. L. Kaplan, D. M. Luebke, W. Freemire, B. Wojcik, M. Barber, G. Clark, D. Clark, I. Dornan, P. J. Fish, A. Greenwood, S. Hare, R. Jamdagni, A. Kasey, V. Khaleeq, M. Leaver, J. Long, K. R. McKigney, E. Matsushita, T. Rogers, C. Sashalmi, T. Savage, P. Takahashi, M. Tapper, A. Yoshimura, K. Cooke, P. Gamet, R. Sakamoto, H. Kuno, Y. Sato, A. Yano, T. Yoshida, M. MacWaters, C. Coney, L. Hanson, G. Klier, A. Cline, D. Yang, X. Adey, D. TI The design, construction and performance of the MICE scintillating fibre trackers SO NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT LA English DT Article DE Muon detector; Scintillating fibre; Tracker; Ionisation cooling ID PARTICLE TRACKING AB Charged-particle tracking in the international Muon Ionisation Cooling Experiment (MICE) will be performed using two solenoidal spectrometers, each instrumented with a tracking detector based on 350 mu m diameter scintillating fibres. The design and construction of the trackers is described along with the quality-assurance procedures, photon-detection system, readout electronics, reconstruction and simulation software and the data-acquisition system. Finally, the performance of the MICE tracker, determined using cosmic rays, is presented. (C) 2011 Elsevier B.V. All rights reserved. C1 [Adey, D.] Univ Warwick, Dept Phys, Coventry CV4 7AL, W Midlands, England. [Ellis, M.; Hobson, P. R.; Kyberd, P.; Nebrensky, J. J.] Brunel Univ, Uxbridge UB8 3PH, Middx, England. [Bross, A.; Fagan, J.; Fitzpatrick, T.; Flores, R.; Kubinski, R.; Krider, J.; Rucinski, R.; Rubinov, P.; Tolian, C.] Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA. [Hart, T. L.; Kaplan, D. M.; Luebke, W.; Freemire, B.; Wojcik, M.] IIT, Dept Phys, Chicago, IL 60616 USA. [Barber, G.; Clark, D.; Clark, I.; Dornan, P. J.; Fish, A.; Greenwood, S.; Hare, R.; Jamdagni, A.; Kasey, V.; Khaleeq, M.; Leaver, J.; Long, K. R.; McKigney, E.; Matsushita, T.; Rogers, C.; Sashalmi, T.; Savage, P.; Takahashi, M.; Tapper, A.] Univ London Imperial Coll Sci Technol & Med, Blackett Lab, Dept Phys, London SW7 2AZ, England. [Yoshimura, K.] High Energy Accelerator Org KEK, Inst Particle & Nucl Studies, Tsukuba, Ibaraki, Japan. [Cooke, P.; Gamet, R.] Univ Liverpool, Dept Phys, Oliver Lodge Lab, Liverpool L69 7ZE, Merseyside, England. [Sakamoto, H.; Kuno, Y.; Sato, A.; Yano, T.; Yoshida, M.] Osaka Univ, Dept Phys, Grad Sch Sci, Toyonaka, Osaka 560, Japan. [MacWaters, C.] STFC Rutherford Appleton Lab, Didcot OX11 0QX, Oxon, England. [Coney, L.; Hanson, G.; Klier, A.] Univ Calif Riverside, Riverside, CA 92521 USA. [Cline, D.; Yang, X.] Univ Calif Los Angeles, Dept Phys, Los Angeles, CA 90024 USA. RP Adey, D (reprint author), Univ Warwick, Dept Phys, Coventry CV4 7AL, W Midlands, England. EM d.adey.1@warwick.ac.uk OI Nebrensky, Jindrich/0000-0002-8412-4259 FU Science and Technology Facilities Council [PP/E003214/1, PP/E000479/1, PP/E000509/1, PP/E000444/1]; SLAs with STFC-supported laboratories; Fermi National Accelerator Laboratory; U.S. Department of Energy [DE-AC02-76CH03000]; U.S. National Science Foundation [PHY-0301737, PHY-0521313, PHY-0758173, PHY-0630052]; World Premier International Research Center Initiative (WPI Initiative), MEXT, Japan FX This work was supported by the Science and Technology Facilities Council under Grant nos. PP/E003214/1, PP/E000479/1, PP/E000509/1, PP/E000444/1, and through SLAs with STFC-supported laboratories. This work was also supported by the Fermi National Accelerator Laboratory, which is operated by the Fermi Research Alliance, under Contract no. DE-AC02-76CH03000 with the U.S. Department of Energy, and by the U.S. National Science Foundation under Grants PHY-0301737, PHY-0521313, PHY-0758173 and PHY-0630052. The authors also acknowledge the support of the World Premier International Research Center Initiative (WPI Initiative), MEXT, Japan. NR 25 TC 14 Z9 14 U1 0 U2 2 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 0168-9002 J9 NUCL INSTRUM METH A JI Nucl. Instrum. Methods Phys. Res. Sect. A-Accel. Spectrom. Dect. Assoc. Equip. PD DEC 11 PY 2011 VL 659 IS 1 BP 136 EP 153 DI 10.1016/j.nima.2011.04.041 PG 18 WC Instruments & Instrumentation; Nuclear Science & Technology; Physics, Nuclear; Physics, Particles & Fields SC Instruments & Instrumentation; Nuclear Science & Technology; Physics GA 858TR UT WOS:000297826100017 ER PT J AU Ma, LH Lebanowski, L Chen, J Guan, MY Hackenburg, R Lau, K Lin, SK Lu, CG McDonald, K Newsom, C Ning, Z Pec, V Qian, S Vorobel, V Wang, YF Xu, JL Yang, CG Zhang, JW Zhang, QM AF Ma, Liehua Lebanowski, Logan Chen, Jin Guan, Mengyun Hackenburg, Robert Lau, Kwong Lin, Shih-Kai Lu, Changguo McDonald, Kirk Newsom, Cullen Ning, Zhe Pec, Viktor Qian, Sen Vorobel, Vit Wang, Yifang Xu, Jilei Yang, Changgen Zhang, Jiawen Zhang, Qingmin TI The mass production and quality control of RPCs for the Daya Bay experiment SO NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT LA English DT Article DE RPC; Mass production; Quality control/assurance; Cosmic-ray test; Daya Bay ID DETECTOR; BESIII AB Resistive plate chambers will be used in the Daya Bay reactor neutrino experiment to help veto backgrounds created by cosmic-ray muons. The mass production of RPCs began in 2008 and by the end of 2009, 1600 RPCs (3500 m(2)) had been produced and tested. This paper describes the production and quality control procedures, and quality assurance using cosmic-ray testing. (C) 2011 Elsevier B.V. All rights reserved. C1 [Ma, Liehua; Chen, Jin; Guan, Mengyun; Ning, Zhe; Qian, Sen; Wang, Yifang; Xu, Jilei; Yang, Changgen; Zhang, Jiawen; Zhang, Qingmin] CAS, Inst High Energy Phys, Beijing 100049, Peoples R China. [Ma, Liehua; Ning, Zhe; Xu, Jilei] Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China. [Lebanowski, Logan; Lau, Kwong; Lin, Shih-Kai; Newsom, Cullen] Univ Houston, Dept Phys, Houston, TX 77204 USA. [Hackenburg, Robert] Brookhaven Natl Lab, Upton, NY 11973 USA. [Lu, Changguo] Princeton Univ, Joseph Henry Labs, Princeton, NJ 08544 USA. [McDonald, Kirk] Princeton Univ, Dept Phys, Princeton, NJ 08544 USA. [Pec, Viktor; Vorobel, Vit] Charles Univ Prague, Fac Math & Phys, Prague, Czech Republic. RP Zhang, JW (reprint author), CAS, Inst High Energy Phys, Beijing 100049, Peoples R China. EM zhangjw@ihep.ac.cn OI Lebanowski, Logan/0000-0002-8255-6613 FU China National Science Foundation; Ministry of Science and Technology of the People's Republic of China; United States Department of Energy; Ministry of Education, Youth and Sports of the Czech Republic [MSM0021620859, ME08076]; Czech Science Foundation [202/08/0760] FX IHEP at the Chinese Academy of Sciences is supported by the China National Science Foundation and the Ministry of Science and Technology of the People's Republic of China. The University of Houston, Brookhaven National Laboratory, and Princeton University are supported by the United States Department of Energy. Charles University is supported by projects MSM0021620859 and ME08076 of the Ministry of Education, Youth and Sports of the Czech Republic, and 202/08/0760 of the Czech Science Foundation. We thank the Gaonengkedi Science and Technology Company and Weiping Niu for their work on RPC construction. NR 16 TC 7 Z9 8 U1 0 U2 12 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 0168-9002 J9 NUCL INSTRUM METH A JI Nucl. Instrum. Methods Phys. Res. Sect. A-Accel. Spectrom. Dect. Assoc. Equip. PD DEC 11 PY 2011 VL 659 IS 1 BP 154 EP 160 DI 10.1016/j.nima.2011.03.060 PG 7 WC Instruments & Instrumentation; Nuclear Science & Technology; Physics, Nuclear; Physics, Particles & Fields SC Instruments & Instrumentation; Nuclear Science & Technology; Physics GA 858TR UT WOS:000297826100018 ER PT J AU Wissel, SA Byrum, K Cunningham, JD Drake, G Hays, E Horan, D Kieda, D Kovacs, E Magill, S Nodulman, L Swordy, SP Wagner, R Wakely, SP AF Wissel, S. A. Byrum, K. Cunningham, J. D. Drake, G. Hays, E. Horan, D. Kieda, D. Kovacs, E. Magill, S. Nodulman, L. Swordy, S. P. Wagner, R. Wakely, S. P. TI The track imaging Cherenkov experiment SO NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT LA English DT Article DE Cosmic-ray telescope; Multi-anode photomultiplier tube; Imaging atmospheric Cherenkov technique ID COSMIC-RAY NUCLEI; ENERGY-SPECTRA AB We describe a dedicated cosmic-ray telescope that explores a new method for detecting Cherenkov radiation from high-energy primary cosmic rays and the large particle air shower they induce upon entering the atmosphere. Using a camera comprising 16 multi-anode photomultiplier tubes for a total of 256 pixels, the Track Imaging Cherenkov Experiment (TrICE) resolves substructures in particle air showers with 0.086 degrees resolution. Cherenkov radiation is imaged using a novel two-part optical system in which a Fresnel lens provides a wide-field optical trigger and a mirror system collects delayed light with four times the magnification. TrICE records well-resolved cosmic-ray air showers at rates ranging between 0.01 Hz and 0.1 Hz. (C) 2011 Elsevier B.V. All rights reserved. C1 [Wissel, S. A.; Hays, E.; Wakely, S. P.] Univ Chicago, Enrico Fermi Inst, Chicago, IL 60637 USA. [Wissel, S. A.; Wakely, S. P.] Univ Chicago, Kavli Inst Cosmol Phys, Chicago, IL 60637 USA. [Byrum, K.; Drake, G.; Hays, E.; Horan, D.; Kovacs, E.; Magill, S.; Nodulman, L.; Wagner, R.] Argonne Natl Lab, Argonne, IL 60439 USA. [Cunningham, J. D.] Loyola Univ Chicago, Chicago, IL 60660 USA. [Kieda, D.] Univ Utah, Dept Phys, Salt Lake City, UT 84112 USA. RP Wissel, SA (reprint author), Princeton Plasma Phys Lab, POB 451, Princeton, NJ 08543 USA. EM swissel@pppl.gov RI Hays, Elizabeth/D-3257-2012 FU U.S. Department of Energy; U.S. National Science Foundation; Kavli Foundation FX This research is supported by the U.S. Department of Energy, the U.S. National Science Foundation, and the Kavli Foundation. We acknowledge the technical contributions of Richard Northrop, Gary Kelderhouse and Bob Metz. NR 16 TC 0 Z9 0 U1 0 U2 1 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 0168-9002 J9 NUCL INSTRUM METH A JI Nucl. Instrum. Methods Phys. Res. Sect. A-Accel. Spectrom. Dect. Assoc. Equip. PD DEC 11 PY 2011 VL 659 IS 1 BP 175 EP 181 DI 10.1016/j.nima.2011.07.016 PG 7 WC Instruments & Instrumentation; Nuclear Science & Technology; Physics, Nuclear; Physics, Particles & Fields SC Instruments & Instrumentation; Nuclear Science & Technology; Physics GA 858TR UT WOS:000297826100021 ER PT J AU O'Keeffe, HM Burritt, TH Cleveland, BT Doucas, G Gagnon, N Jelley, NA Kraus, C Lawson, IT Majerus, S McGee, SR Myers, AW Poon, AWP Rielage, K Robertson, RGH Rosten, RC Stonehill, LC VanDevender, BA Van Wechel, TD AF O'Keeffe, H. M. Burritt, T. H. Cleveland, B. T. Doucas, G. Gagnon, N. Jelley, N. A. Kraus, C. Lawson, I. T. Majerus, S. McGee, S. R. Myers, A. W. Poon, A. W. P. Rielage, K. Robertson, R. G. H. Rosten, R. C. Stonehill, L. C. VanDevender, B. A. Van Wechel, T. D. TI Four methods for determining the composition of trace radioactive surface contamination of low-radioactivity metal SO NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT LA English DT Article DE Surface radioactivity; Low-background counting AB Four methods for determining the composition of low-level uranium- and thorium-chain surface contamination are presented. One method is the observation of Cherenkov light production in water. In two additional methods a position-sensitive proportional counter surrounding the surface is used to make both a measurement of the energy spectrum of alpha particle emissions and also coincidence measurements to derive the thorium-chain content based on the presence of short-lived isotopes in that decay chain. The fourth method is a radiochemical technique in which the surface is eluted with a weak acid, the eluate is concentrated, added to liquid scintillator and assayed by recording beta-alpha coincidences. These methods were used to characterize two 'hotspots' on the outer surface of one of the (3)He proportional counters in the Neutral Current Detection array of the Sudbury Neutrino Observatory experiment. The methods have similar sensitivities, of order tens of ng, to both thorium- and uranium-chain contamination. (C) 2011 Elsevier B.V. All rights reserved. C1 [Burritt, T. H.; McGee, S. R.; Myers, A. W.; Rielage, K.; Robertson, R. G. H.; Rosten, R. C.; Stonehill, L. C.; VanDevender, B. A.; Van Wechel, T. D.] Univ Washington, Ctr Expt Nucl Phys & Astrophys, Seattle, WA 98195 USA. [Burritt, T. H.; McGee, S. R.; Myers, A. W.; Rielage, K.; Robertson, R. G. H.; Rosten, R. C.; Stonehill, L. C.; VanDevender, B. A.; Van Wechel, T. D.] Univ Washington, Dept Phys, Seattle, WA 98195 USA. [O'Keeffe, H. M.; Doucas, G.; Jelley, N. A.; Majerus, S.] Univ Oxford, Dept Phys, Oxford OX1 3RH, England. [Rielage, K.; Stonehill, L. C.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA. [Cleveland, B. T.; Gagnon, N.; Lawson, I. T.] SNOLAB, Lively, ON P3Y 1M3, Canada. [Poon, A. W. P.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Inst Nucl & Particle Astrophys, Berkeley, CA 94720 USA. [Poon, A. W. P.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Div Nucl Sci, Berkeley, CA 94720 USA. [Kraus, C.] Laurentian Univ, Dept Phys & Astron, Sudbury, ON P3E 2C6, Canada. RP Robertson, RGH (reprint author), Univ Washington, Ctr Expt Nucl Phys & Astrophys, Seattle, WA 98195 USA. EM rghr@u.washington.edu OI Rielage, Keith/0000-0002-7392-7152 FU United States Department of Energy Office of Science Division of Nuclear Physics; United Kingdom Science and Technology Facilities Council; Natural Sciences and Engineering Research Council of Canada FX This work was supported by the United States Department of Energy Office of Science Division of Nuclear Physics, the United Kingdom Science and Technology Facilities Council (formerly PPARC) and the Natural Sciences and Engineering Research Council of Canada. We thank the SNO technical staff for assistance with this work and also Vale-INCO for hosting our underground facilities. Critical mechanical components of the equipment for alpha counting and acid elution were fabricated at the CENPA Machine Shop at the University of Washington and the Physics Mechanical Workshop at the University of Oxford, respectively. The ICP-MS analysis of HCI samples was performed at Geolabs, Sudbury, ON. NR 13 TC 3 Z9 3 U1 0 U2 3 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 0168-9002 J9 NUCL INSTRUM METH A JI Nucl. Instrum. Methods Phys. Res. Sect. A-Accel. Spectrom. Dect. Assoc. Equip. PD DEC 11 PY 2011 VL 659 IS 1 BP 182 EP 192 DI 10.1016/j.nima.2011.08.060 PG 11 WC Instruments & Instrumentation; Nuclear Science & Technology; Physics, Nuclear; Physics, Particles & Fields SC Instruments & Instrumentation; Nuclear Science & Technology; Physics GA 858TR UT WOS:000297826100022 ER PT J AU Nelson, KE Gosnell, TB Knapp, DA AF Nelson, Karl E. Gosnell, Thomas B. Knapp, David A. TI The effect of energy resolution on the extraction of information content from gamma-ray spectra SO NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT LA English DT Article DE Gamma-ray spectrometry; Radionuclide identification; Nuclear security AB Rapid unambiguous identification of illicit radioactive materials is a matter of international concern that has yet to be fully attained. This is particularly true for shielded fissile materials in the presence of background radiation and routinely encountered benign radionuclides. We present a systematic treatment of the effect of detector resolution on the identification of nuclides in simple and complex shielded gamma-ray spectra. Case studies of some problematic spectra with 1000 counts suggest that, at moderate count rates, near-unambiguous identification (< 1% probability of misidentification) of potential fissile sources requires a detector with an energy resolution of at least 1-2% at 662 key. While somewhat limited in scope, the study establishes a quantitative basis for the comparative evaluation of detectors of comparable efficiency. (C) 2011 Elsevier B.V. All rights reserved. C1 [Nelson, Karl E.; Gosnell, Thomas B.; Knapp, David A.] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA. RP Nelson, KE (reprint author), Lawrence Livermore Natl Lab, Livermore, CA 94550 USA. EM kenelson@llnl.gov FU U.S. Department of Energy by Lawrence Livermore National Laboratory [DE-AC52-07NA27344] FX The authors wish to thank Prof. Stanley Prussin for contributions to the manuscript. This work performed under the auspices of the U.S. Department of Energy by Lawrence Livermore National Laboratory under Contract DE-AC52-07NA27344. NR 14 TC 9 Z9 9 U1 0 U2 2 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 0168-9002 J9 NUCL INSTRUM METH A JI Nucl. Instrum. Methods Phys. Res. Sect. A-Accel. Spectrom. Dect. Assoc. Equip. PD DEC 11 PY 2011 VL 659 IS 1 BP 207 EP 214 DI 10.1016/j.nima.2011.06.057 PG 8 WC Instruments & Instrumentation; Nuclear Science & Technology; Physics, Nuclear; Physics, Particles & Fields SC Instruments & Instrumentation; Nuclear Science & Technology; Physics GA 858TR UT WOS:000297826100025 ER PT J AU Janecek, M Borade, R Bourret-Courchesne, E Derenzo, SE AF Janecek, Martin Borade, Ramesh Bourret-Courchesne, Edith Derenzo, Stephen E. TI An investigation of X-ray luminosity versus crystalline powder granularity SO NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT LA English DT Article DE Bismuth germanate; Bi4Ge3O12 (BGO); Lutetium oxyorthosilicate; Lu2SiO3:Ce (LSO); Yttrium aluminum perovskite; YAlO3:Ce (YAP:Ce); Cesium diabarium iodide; CsBa2I5:Eu2+ (CBI) ID LIGHT YIELD; SCINTILLATORS; LUMINESCENCE; LUTETIUM AB At the High-Throughput Discovery of Scintillator Materials Facility at Lawrence Berkeley National Laboratory, scintillators are synthesized by solid-state reaction or melt mixing, forming crystalline powders. These powders are formed in various granularity and the crystal grain size affects the apparent luminosity of the scintillator. To accurately predict a "full-size" scintillator's crystal luminosity, the crystal luminosity as a function of crystal granularity size has to be known. In this study, we examine Bi4Ge3O12 (BGO), Lu2SiO5:Ce3+ (LSO), YAlO3:Ce3+ (YAP:Ce), and CsBa2I5:Eu2+ (CBI) luminosities as a function of crystalline grain size. The highest luminosities were measured for 600- to 1000-mu m crystal grain sizes for BGO and LSO, for 310- to 600-mu m crystal grain sizes for CBI, and for crystal grains larger than 165 gm for YAP:Ce. Crystal grains that were larger than 1 mm had a lower packing fraction, and smaller grains were affected by internal scattering. We measured a 34% decrease in luminosity for BGO when decreasing from the 600- to 1000-mu m crystal grain size range down to the 20- to 36-mu m range. The corresponding luminosity decrease for LSO was 44% for the same grain size decrease. YAP:Cc exhibited a luminosity decrease of 47% when the grain size decreased from the 165- to 310-mu m crystal grains to the 20- to 36-mu m range, and CBI exhibited a luminosity decrease of 98% when the grain size decreased from the 310- to 600-mu m crystal grain range to the 36- to 50-mu m range. We were able to very accurately estimate full-size crystal luminosities from crystalline grains that are larger than 90 mu m. (C) 2011 Elsevier B.V. All rights reserved. C1 [Janecek, Martin; Borade, Ramesh; Bourret-Courchesne, Edith; Derenzo, Stephen E.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Div Life Sci, Berkeley, CA 94720 USA. RP Janecek, M (reprint author), Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Div Life Sci, 1 Cyclotron Rd,MS 55-121, Berkeley, CA 94720 USA. EM MJanecek@lbl.gov; RBBorade@lbl.gov; EDBourret@lbl.gov; SEDerenzo@lbl.gov RI Melcher, Charles/E-9818-2012 OI Melcher, Charles/0000-0002-4586-4764 FU Office of Science, Office of Biological and Environmental Research, Biological Systems Science Division of the US Department of Energy [DE-AC02-05CH11231] FX The authors wish to acknowledge Dr. Gautam Gundiah for invaluable discussions and Dr. Zewu Yan for providing us with the CBI crystal. This work was supported by the Director, Office of Science, Office of Biological and Environmental Research, Biological Systems Science Division of the US Department of Energy under Contract No. DE-AC02-05CH11231. NR 19 TC 11 Z9 11 U1 0 U2 17 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 0168-9002 J9 NUCL INSTRUM METH A JI Nucl. Instrum. Methods Phys. Res. Sect. A-Accel. Spectrom. Dect. Assoc. Equip. PD DEC 11 PY 2011 VL 659 IS 1 BP 252 EP 257 DI 10.1016/j.nima.2011.08.059 PG 6 WC Instruments & Instrumentation; Nuclear Science & Technology; Physics, Nuclear; Physics, Particles & Fields SC Instruments & Instrumentation; Nuclear Science & Technology; Physics GA 858TR UT WOS:000297826100031 ER PT J AU Abu-Ajamieh, F Blazey, G Cole, S Dyshkant, A Hedin, D Johnson, E Viti, I Zutshi, V Ramberg, E Rivera, R Rubinov, P Turqueti, M Uplegger, L Demarteau, M Francis, K AF Abu-Ajamieh, F. Blazey, G. Cole, S. Dyshkant, A. Hedin, D. Johnson, E. Viti, I. Zutshi, V. Ramberg, E. Rivera, R. Rubinov, P. Turqueti, M. Uplegger, L. Demarteau, M. Francis, K. TI Beam tests of directly coupled scintillator tiles with MPPC readout SO NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT LA English DT Article DE Scintillator; Calorimeter; Direct coupling; MPPC; SiPM AB We report on the response to a proton beam of scintillator tiles directly coupled at the face of the tile to multi-pixel photon counters. Detailed measurements with protons show that flat tiles have high response near the photon counters while concave tiles have uniform response suggesting that tiles with this versatile configuration can be tailored to a desired uniformity. The beam response is in qualitative agreement with the response to a non-triggered radioactive source and reveals additional spatial features. (C) 2011 Elsevier B.V. All rights reserved. C1 [Abu-Ajamieh, F.; Blazey, G.; Cole, S.; Dyshkant, A.; Hedin, D.; Johnson, E.; Viti, I.; Zutshi, V.] No Illinois Univ, Dept Phys, De Kalb, IL 60115 USA. [Ramberg, E.; Rivera, R.; Rubinov, P.; Turqueti, M.; Uplegger, L.] Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA. [Demarteau, M.; Francis, K.] Argonne Natl Accelerator Lab, Lisle, IL USA. RP Cole, S (reprint author), No Illinois Univ, Dept Phys, De Kalb, IL 60115 USA. EM z025754@students.niu.edu OI Hedin, David/0000-0001-9984-215X; Blazey, Gerald/0000-0002-7435-5758 FU Department of Energy; National Science Foundation FX We would like to thank Phillip Stone for his assistance with preparation of the apparatus. This work was supported by the Department of Energy and the National Science Foundation. NR 10 TC 3 Z9 3 U1 0 U2 1 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 0168-9002 J9 NUCL INSTRUM METH A JI Nucl. Instrum. Methods Phys. Res. Sect. A-Accel. Spectrom. Dect. Assoc. Equip. PD DEC 11 PY 2011 VL 659 IS 1 BP 348 EP 354 DI 10.1016/j.nima.2011.06.090 PG 7 WC Instruments & Instrumentation; Nuclear Science & Technology; Physics, Nuclear; Physics, Particles & Fields SC Instruments & Instrumentation; Nuclear Science & Technology; Physics GA 858TR UT WOS:000297826100046 ER PT J AU Langer, C Algora, A Couture, A Csatlos, M Gulyas, J Heil, M Krasznahorkay, A O'Donnell, JM Plag, R Reifarth, R Stuhl, L Sonnabend, K Tornyi, T Tovesson, F AF Langer, C. Algora, A. Couture, A. Csatlos, M. Gulyas, J. Heil, M. Krasznahorkay, A. O'Donnell, J. M. Plag, R. Reifarth, R. Stuhl, L. Sonnabend, K. Tornyi, T. Tovesson, F. TI Simulations and developments of the Low Energy Neutron detector Array LENA SO NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT LA English DT Article DE Monte Carlo simulations; Charge-exchange reactions; Scintillation detectors; Neutron detector ID GIANT BRANCH STARS; S-PROCESS; CAPTURE; RATES AB Prototypes of the Low Energy Neutron detector Array (LENA) have been tested and compared with detailed GEANT simulations. LENA will consist of plastic scintillation bars with the dimensions 1000 x 45 x 10 mm(3). The tests have been performed with gamma-ray sources and neutrons originating from the neutron-induced fission of U-235. The simulations agreed very well with the measured response and were therefore used to simulate the response to mono-energetic neutrons with different detection thresholds. LENA will be used to detect low-energy neutrons from (p,n)-type reactions with low momentum transfer foreseen at the (RB)-B-3 and EXL setups at FAIR, Darmstadt. (C) 2011 Elsevier B.V. All rights reserved. C1 [Langer, C.; Heil, M.; Plag, R.; Reifarth, R.] GSI Helmholtzzentrum Schwerionenforsch GmbH, D-64291 Darmstadt, Germany. [Langer, C.; Plag, R.; Reifarth, R.; Sonnabend, K.] Goethe Univ Frankfurt, D-60438 Frankfurt, Germany. [Algora, A.; Csatlos, M.; Gulyas, J.; Krasznahorkay, A.; Stuhl, L.; Tornyi, T.] Hungarian Acad Sci ATOMKI, Inst Nucl Res, H-4001 Debrecen, Hungary. [Algora, A.] Univ Valencia, CSIC, Inst Fis Corpuscular, E-46071 Valencia, Spain. [Couture, A.; O'Donnell, J. M.; Tovesson, F.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA. RP Langer, C (reprint author), GSI Helmholtzzentrum Schwerionenforsch GmbH, D-64291 Darmstadt, Germany. EM c.langer@gsi.de RI Langer, Christoph/D-5490-2014; Algora, Alejandro/E-2960-2015; Langer, Christoph/L-3422-2016 OI Algora, Alejandro/0000-0002-5199-1794; FU HGF [VH-NG-327]; Hungarian OTKA Foundation [K72566]; NKTH [ES-26/018]; US Department of Energy [DE-AC52-06NA25396] FX This work was supported by the HGF Young Investigators Project VH-NG-327, by the Hungarian OTKA Foundation Grant no. K72566 and by the NKTH (Hungarian-Spanish Collaboration no. ES-26/018). This work has benefited from the use of the Los Alamos Neutron Science Center at the Los Alamos National Laboratory. This facility is funded by the US Department of Energy and operated by Los Alamos National Security, LLC under contract DE-AC52-06NA25396. Thanks to G. Ickert for providing us with the illustrations of the detector. NR 22 TC 9 Z9 9 U1 0 U2 5 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 0168-9002 EI 1872-9576 J9 NUCL INSTRUM METH A JI Nucl. Instrum. Methods Phys. Res. Sect. A-Accel. Spectrom. Dect. Assoc. Equip. PD DEC 11 PY 2011 VL 659 IS 1 BP 411 EP 418 DI 10.1016/j.nima.2011.06.079 PG 8 WC Instruments & Instrumentation; Nuclear Science & Technology; Physics, Nuclear; Physics, Particles & Fields SC Instruments & Instrumentation; Nuclear Science & Technology; Physics GA 858TR UT WOS:000297826100057 ER PT J AU Zhao, JK AF Zhao, Jinkui TI IB: A Monte Carlo simulation tool for neutron scattering instrument design under PVM and MPI SO NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT LA English DT Article DE Monte Carlo simulations; Neutron instrument design; Neutron optics; Parallel computing; PVM; MPI ID DIFFRACTOMETER; PACKAGE; SNS AB Design of modern neutron scattering instruments relies heavily on Monte Carlo simulation tools for optimization. LB is one such tool written in C++ and implemented under Parallel Virtual Machine and the Message Passing Interface. The program was initially written for the design and optimization of the EQ-SANS instrument at the Spallation Neutron Source. One of its features is the ability to group simple instrument components into more complex ones at the user input level, e.g. grouping neutron mirrors into neutron guides and curved benders. The simulation engine manages the grouped components such that neutrons entering a group are properly operated upon by all components, multiple times if needed, before exiting the group. Thus, only a few basic optical modules are needed at the programming level. For simulations that require higher computer speeds, the program can be compiled and run in parallel modes using either the PVM or the MPI architectures. (C) 2011 Elsevier B.V. All rights reserved. C1 Oak Ridge Natl Lab, Spallat Neutron Source, Oak Ridge, TN 37831 USA. RP Zhao, JK (reprint author), Oak Ridge Natl Lab, Spallat Neutron Source, Oak Ridge, TN 37831 USA. EM Zhaoj@ornl.gov RI Zhao, Jinkui/B-7872-2013 OI Zhao, Jinkui/0000-0002-7756-1952 FU UT-Battelle, LLC [DE-AC05-00OR22725]; US Department of Energy FX This manuscript has been authored by UT-Battelle, LLC, under Contract no. DE-AC05-00OR22725 with the US Department of Energy. The United States Government retains, and the publisher, by accepting the article for publication, acknowledges that the United States Government retains a non-exclusive, paid-up, irrevocable, world-wide license to publish or reproduce the published form of this manuscript, or allow others to do so, for United States Government purposes. NR 16 TC 4 Z9 4 U1 0 U2 6 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 0168-9002 J9 NUCL INSTRUM METH A JI Nucl. Instrum. Methods Phys. Res. Sect. A-Accel. Spectrom. Dect. Assoc. Equip. PD DEC 11 PY 2011 VL 659 IS 1 BP 434 EP 441 DI 10.1016/j.nima.2011.08.061 PG 8 WC Instruments & Instrumentation; Nuclear Science & Technology; Physics, Nuclear; Physics, Particles & Fields SC Instruments & Instrumentation; Nuclear Science & Technology; Physics GA 858TR UT WOS:000297826100061 ER PT J AU Robin, DS Arbelaez, D Caspi, S Sun, C Sessler, A Wan, W Yoon, M AF Robin, D. S. Arbelaez, D. Caspi, S. Sun, C. Sessler, A. Wan, W. Yoon, M. TI Superconducting toroidal combined-function magnet for a compact ion beam cancer therapy gantry SO NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT LA English DT Article DE Carbon gantry; Hadron therapy; Gantry beam optics; Superconducting magnets ID DIPOLE MAGNET; DESIGN; FIELD AB A superconducting, combined-function, 5 T, 90 degrees, toroidal magnet with a large bore is described in this paper. This magnet is designed to be the last and most difficult part of a compact superconducting magnet-based carbon gantry optics for ion beam cancer therapy. The relatively small size of this toroidal magnet allows for a gantry the size of which is smaller or at least comparable to that of a proton gantry. The gantry design places the toroidal magnet between the scanning magnets and the patient, that is the scanning magnets are placed midway through the gantry. By optimizing the coil winding configuration of this magnet, near point-to-parallel optics is achieved between the scanning magnets and the patient; while at the same time there is only a small distortion of the beam-shape when scanning. We show that the origin of the beam-shape distortion is the strong sextupole components, whose effects are greatly pronounced when the beam is widely steered in the magnet. A method to correct such an undesirable effect is suggested and demonstrated by a numerical particle tracking through the calculated three-dimensional magnetic field. (C) 2011 Elsevier B.V. All rights reserved. C1 [Robin, D. S.; Arbelaez, D.; Caspi, S.; Sun, C.; Sessler, A.; Wan, W.; Yoon, M.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA. [Yoon, M.] Postech, Dept Phys, Pohang 790784, Gyeongbuk, South Korea. RP Robin, DS (reprint author), Univ Calif Berkeley, Lawrence Berkeley Natl Lab, 1 Cyclotron Rd, Berkeley, CA 94720 USA. EM dsrobin@lbl.gov FU United States Department of Energy [DE-AC02-05CH11231]; POSTECH Basic Science Research Institute FX This work was supported under Contract No. DE-AC02-05CH11231 awarded by the United States Department of Energy to The Regents of the University of California for management and operation of the Lawrence Berkeley National Laboratory. In addition, one of the authors (M. Yoon) appreciates the partial support from the POSTECH Basic Science Research Institute Grant. NR 21 TC 15 Z9 15 U1 1 U2 11 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 0168-9002 J9 NUCL INSTRUM METH A JI Nucl. Instrum. Methods Phys. Res. Sect. A-Accel. Spectrom. Dect. Assoc. Equip. PD DEC 11 PY 2011 VL 659 IS 1 BP 484 EP 493 DI 10.1016/j.nima.2011.08.049 PG 10 WC Instruments & Instrumentation; Nuclear Science & Technology; Physics, Nuclear; Physics, Particles & Fields SC Instruments & Instrumentation; Nuclear Science & Technology; Physics GA 858TR UT WOS:000297826100067 ER PT J AU Jeff, A Boccardi, A Bravin, E Fisher, AS Lefevre, T Rabiller, A Roncarolo, F Welsch, CP AF Jeff, A. Boccardi, A. Bravin, E. Fisher, A. S. Lefevre, T. Rabiller, A. Roncarolo, F. Welsch, C. P. TI First results of the LHC longitudinal density monitor SO NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT LA English DT Article DE Longitudinal profile; Synchrotron radiation; Single photon counting; TCSPC; Beam instrumentation; LHC AB The Large Hadron Collider (LHC) at CERN is the world's largest particle accelerator. It is designed to accelerate and collide protons or heavy ions up to the center-of-mass energies of 14 TeV. Knowledge of the longitudinal distribution of particles is important for various aspects of accelerator operation, in particular to check the injection quality and to measure the proportion of charge outside the nominally filled bunches during the physics periods. In order to study this so-called ghost charge at levels very much smaller than the main bunches, a longitudinal profile measurement with a very high dynamic range is needed. A new detector, the LHC Longitudinal Density Monitor (LDM) is a single-photon counting system measuring synchrotron light by means of an avalanche photodiode detector. The unprecedented energies reached in the LHC allow synchrotron light diagnostics to be used with both protons and heavy ions. A prototype was installed during the 2010 LHC run and was able to longitudinally profile the whole ring with a resolution close to the target of 50 ps. On-line correction for the effects of the detector deadtime, pile-up and afterpulsing allow a dynamic range of 10(5) to be achieved. First measurements with the LDM are presented here along with an analysis of its performance and an outlook for future upgrades. (C) 2011 Elsevier B.V. All rights reserved. C1 [Jeff, A.; Boccardi, A.; Bravin, E.; Lefevre, T.; Rabiller, A.; Roncarolo, F.] CERN, CH-1211 Geneva 23, Switzerland. [Jeff, A.; Welsch, C. P.] Univ Liverpool, Liverpool L69 3BX, Merseyside, England. [Fisher, A. S.] SLAC, Menlo Pk, CA USA. [Welsch, C. P.] Cockcroft Inst, Daresbury, England. RP Jeff, A (reprint author), CERN, CH-1211 Geneva 23, Switzerland. EM adam.jeff@cern.ch OI Jeff, Adam/0000-0001-8862-2100 FU EU [PITN-GA-2008-215080] FX Adam Jeff is a DITANET Marie Curie fellow supported by the EU under contract PITN-GA-2008-215080. Thanks to Giulia Papotti for explanations on the wall current monitor, to David Belohrad and Jean-Jacques Gras on the fast BCT and to Rhodri Jones for detailed comments. NR 25 TC 4 Z9 4 U1 0 U2 1 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 0168-9002 J9 NUCL INSTRUM METH A JI Nucl. Instrum. Methods Phys. Res. Sect. A-Accel. Spectrom. Dect. Assoc. Equip. PD DEC 11 PY 2011 VL 659 IS 1 BP 549 EP 556 DI 10.1016/j.nima.2011.08.055 PG 8 WC Instruments & Instrumentation; Nuclear Science & Technology; Physics, Nuclear; Physics, Particles & Fields SC Instruments & Instrumentation; Nuclear Science & Technology; Physics GA 858TR UT WOS:000297826100079 ER PT J AU Barron-Palos, L Alarcon, R Balascuta, S Blessinger, C Bowman, JD Chupp, TE Covrig, S Crawford, CB Dabaghyan, M Dadras, J Dawkins, M Fox, W Gericke, MT Gillis, RC Lauss, B Leuschner, MB Lozowski, B Mahurin, R Mason, M Mei, J Nann, H Penttila, SI Ramsay, WD Salas-Bacci, A Santra, S Seo, PN Sharma, M Smith, T Snow, WM Wilburn, WS Yuan, V AF Barron-Palos, L. Alarcon, R. Balascuta, S. Blessinger, C. Bowman, J. D. Chupp, T. E. Covrig, S. Crawford, C. B. Dabaghyan, M. Dadras, J. Dawkins, M. Fox, W. Gericke, M. T. Gillis, R. C. Lauss, B. Leuschner, M. B. Lozowski, B. Mahurin, R. Mason, M. Mei, J. Nann, H. Penttilae, S. I. Ramsay, W. D. Salas-Bacci, A. Santra, S. Seo, P. -N. Sharma, M. Smith, T. Snow, W. M. Wilburn, W. S. Yuan, V. TI Determination of the parahydrogen fraction in a liquid hydrogen target using energy-dependent slow neutron transmission SO NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT LA English DT Article DE Hadronic weak interaction; Parity violation; Neutron polarization; Neutron capture; Neutron scattering; Liquid hydrogen; Orthohydrogen; Parahydrogen ID HADRONIC PARITY VIOLATION; ASYMMETRY MEASUREMENTS; GAMMA-ASYMMETRY; MODERATOR; LANSCE AB The NPDGamma collaboration is performing a measurement of the very small parity-violating asymmetry in the angular distribution of the 2.2 MeV gamma-rays from the capture of polarized cold neutrons on protons (A(gamma)) The estimated size of A(gamma) is 5 x 10(-8), and the measured asymmetry is proportional to the neutron polarization upon capture. Since the interaction of polarized neutrons with one of the two hydrogen molecular states (orthohydrogen) can lead to neutron spin-flip scattering, it is essential that the hydrogen in the target is mostly in the molecular state that will not depolarize the neutrons (>= 99.8% parahydrogen). For that purpose, in the first stage of the NPDGamma experiment at the Los Alamos Neutron Science Center (LANSCE), we operated a 16-1 liquid hydrogen target, which was filled in two different occasions. The parahydrogen fraction in the target was accurately determined in situ by relative neutron transmission measurements. The result of these measurements indicate that the fraction of parahydrogen in equilibrium was 0.9998 +/- 0.0002 in the first data taking run and 0.9956 +/- 0.0002 in the second. We describe the parahydrogen monitor system, relevant aspects of the hydrogen target and the procedure to determine the fraction of parahydrogen in the target Also assuming thermal equilibrium of the target, we extract the scattering cross-section for neutrons on parahydrogen. (C) 2011 Elsevier B.V. All rights reserved. C1 [Barron-Palos, L.; Alarcon, R.; Balascuta, S.] Arizona State Univ, Tempe, AZ 85287 USA. [Blessinger, C.; Dawkins, M.; Fox, W.; Leuschner, M. B.; Lozowski, B.; Mei, J.; Nann, H.; Santra, S.; Snow, W. M.] Indiana Univ, Bloomington, IN 47405 USA. [Bowman, J. D.; Penttilae, S. I.] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA. [Chupp, T. E.; Sharma, M.] Univ Michigan, Ann Arbor, MI 48104 USA. [Covrig, S.; Dabaghyan, M.; Mason, M.] Univ New Hampshire, Durham, NH 03824 USA. [Crawford, C. B.; Dadras, J.; Mahurin, R.] Univ Tennessee, Knoxville, TN 37996 USA. [Gericke, M. T.] Thomas Jefferson Natl Accelerator Facil, Newport News, VA 23606 USA. [Gillis, R. C.] Univ Manitoba, Winnipeg, MB R3T 2N2, Canada. [Lauss, B.] Univ Calif Berkeley, Berkeley, CA 94720 USA. [Ramsay, W. D.] TRIUMF, Vancouver, BC V6T 2A3, Canada. [Salas-Bacci, A.; Wilburn, W. S.; Yuan, V.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA. [Seo, P. -N.] Duke Univ, Durham, NC 27708 USA. [Smith, T.] Univ Dayton, Dayton, OH 45469 USA. RP Barron-Palos, L (reprint author), Univ Nacl Autonoma Mexico, Mexico City 04510, DF, Mexico. EM libertad@fisica.unam.mx RI Balascuta, Septimiu/J-7679-2015 OI Balascuta, Septimiu/0000-0003-2331-294X FU U.S. Department of Energy (Office of Energy Research) [W-7405-ENG-36]; National Science Foundation [PHY-0100348, PHY-0457219, PHY-0758018, NSF-0116146]; Natural Sciences and Engineering Research Council of Canada (NSERC); [A12304014] FX This work was supported in part by the U.S. Department of Energy (Office of Energy Research, under Contract W-7405-ENG-36), the National Science Foundation (Grants no. PHY-0100348, PHY-0457219, and PHY-0758018), the NSF Major Research Instrumentation program (NSF-0116146), the Natural Sciences and Engineering Research Council of Canada (NSERC), and the Japanese Grant-in-Aid for Scientific Research A12304014. NR 33 TC 4 Z9 4 U1 0 U2 3 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 0168-9002 J9 NUCL INSTRUM METH A JI Nucl. Instrum. Methods Phys. Res. Sect. A-Accel. Spectrom. Dect. Assoc. Equip. PD DEC 11 PY 2011 VL 659 IS 1 BP 579 EP 586 DI 10.1016/j.nima.2011.07.051 PG 8 WC Instruments & Instrumentation; Nuclear Science & Technology; Physics, Nuclear; Physics, Particles & Fields SC Instruments & Instrumentation; Nuclear Science & Technology; Physics GA 858TR UT WOS:000297826100082 ER PT J AU Chou, HL Dai, ZY Hsieh, CW Ku, MSB AF Chou, Hong Li Dai, Ziyu Hsieh, Chia Wen Ku, Maurice S. B. TI High level expression of Acidothermus cellulolyticus beta-1, 4-endoglucanase in transgenic rice enhances the hydrolysis of its straw by cultured cow gastric fluid SO BIOTECHNOLOGY FOR BIOFUELS LA English DT Article ID AGROBACTERIUM-MEDIATED TRANSFORMATION; FERULIC ACID ESTERASE; CELL-WALL; ENDOGLUCANASE E1; INDICA RICE; IN-PLANTA; ACCUMULATION; BIOFUELS; TOBACCO; MAIZE AB Background: Large-scale production of effective cellulose hydrolytic enzymes is the key to the bioconversion of agricultural residues to ethanol. The goal of this study was to develop a rice plant as a bioreactor for the large-scale production of cellulose hydrolytic enzymes via genetic transformation, and to simultaneously improve rice straw as an efficient biomass feedstock for conversion of cellulose to glucose. Results: In this study, the cellulose hydrolytic enzyme beta-1, 4-endoglucanase (E1) gene, from the thermophilic bacterium Acidothermus cellulolyticus, was overexpressed in rice through Agrobacterium-mediated transformation. The expression of the bacterial E1 gene in rice was driven by the constitutive Mac promoter, a hybrid promoter of Ti plasmid mannopine synthetase promoter and cauliflower mosaic virus 35S promoter enhancer, with the signal peptide of tobacco pathogenesis-related protein for targeting the E1 protein to the apoplastic compartment for storage. A total of 52 transgenic rice plants from six independent lines expressing the bacterial E1 enzyme were obtained that expressed the gene at high levels without severely impairing plant growth and development. However, some transgenic plants exhibited a shorter stature and flowered earlier than the wild type plants. The E1 specific activities in the leaves of the highest expressing transgenic rice lines were about 20-fold higher than those of various transgenic plants obtained in previous studies and the protein amounts accounted for up to 6.1% of the total leaf soluble protein. A zymogram and temperature-dependent activity analyses demonstrated the thermostability of the E1 enzyme and its substrate specificity against cellulose, and a simple heat treatment can be used to purify the protein. In addition, hydrolysis of transgenic rice straw with cultured cow gastric fluid for one hour at 39 degrees C and another hour at 81 degrees C yielded 43% more reducing sugars than wild type rice straw. Conclusion: Taken together, these data suggest that transgenic rice can effectively serve as a bioreactor for the large-scale production of active, thermostable cellulose hydrolytic enzymes. As a feedstock, direct expression of large amount of cellulases in transgenic rice may also facilitate saccharification of cellulose in rice straw and significantly reduce the costs for hydrolytic enzymes. C1 [Chou, Hong Li; Ku, Maurice S. B.] Natl Chiayi Univ, Inst Bioagr Sci, Chiayi 60004, Taiwan. [Dai, Ziyu] Pacific NW Natl Lab, Chem & Biol Proc Dev Grp, Fungal Biotechnol Team, Richland, WA 99352 USA. [Ku, Maurice S. B.] Washington State Univ, Sch Biol Sci, Pullman, WA 99164 USA. RP Ku, MSB (reprint author), Natl Chiayi Univ, Inst Bioagr Sci, Chiayi 60004, Taiwan. EM mku@mail.ncyu.edu.tw FU Council of Agriculture [97AS-1.2.1-ST-a2]; National Science Council of Taiwan [NSC 99-ET-415-001-ET]; DOE Office of Biomass; DOE [DE-AC05-76RLO 1830] FX This work was supported in part by funds from the Council of Agriculture (97AS-1.2.1-ST-a2) and National Science Council of Taiwan (NSC 99-ET-415-001-ET). We also thank Yi-Chin Wang and Jiun-Hau Lu for the analysis of reducing sugars. Ziyu Dai was supported by the DOE Office of Biomass. The authors also thank Ms. Kathryn S. Panther of Pacific Northwest National Laboratory (PNNL) for her support in construction of transgene expression vector. PNNL is multiprogram national laboratory operated by Battelle for the DOE under Contract No. DE-AC05-76RLO 1830. NR 59 TC 16 Z9 16 U1 0 U2 18 PU BIOMED CENTRAL LTD PI LONDON PA 236 GRAYS INN RD, FLOOR 6, LONDON WC1X 8HL, ENGLAND SN 1754-6834 J9 BIOTECHNOL BIOFUELS JI Biotechnol. Biofuels PD DEC 10 PY 2011 VL 4 AR 58 DI 10.1186/1754-6834-4-58 PG 13 WC Biotechnology & Applied Microbiology; Energy & Fuels SC Biotechnology & Applied Microbiology; Energy & Fuels GA 913FL UT WOS:000301861200001 PM 22152050 ER PT J AU Moro, EA Todd, MD Puckett, AD AF Moro, Erik A. Todd, Michael D. Puckett, Anthony D. TI Using a validated transmission model for the optimization of bundled fiber optic displacement sensors SO APPLIED OPTICS LA English DT Article AB A variety of intensity-modulated optical displacement sensor architectures have been proposed for use in noncontacting sensing applications, with one of the most widely implemented architectures being the bundled displacement sensor. To the best of the authors' knowledge, the arrangement of measurement fibers in previously reported bundled displacement sensors has not been configured with the use of a validated optical transmission model. Such a model has utility in accurately describing the sensor's performance a priori and thereby guides the arrangement of the fibers within the bundle to meet application-specific performance needs. In this paper, a recently validated transmission model is used for these purposes, and an optimization approach that employs a genetic algorithm efficiently explores the design space of the proposed bundle sensor architecture. From the converged output of the optimization routine, a bundled displacement sensor configuration is designed and experimentally tested, offering linear performance with a sensitivity of -0.066 mu m(-1) and displacement measurement error of 223 mu m over the axial displacement range of 6-8mm. It is shown that this optimization approach may be generalized to determine optimized bundle configurations that offer high-sensitivity performance, with an acceptable error level, over a variety of axial displacement ranges. This document has been approved by Los Alamos National Laboratory for unlimited public release (LA-UR 11-03413). (C) 2011 Optical Society of America C1 [Moro, Erik A.; Todd, Michael D.] Univ Calif San Diego, Dept Struct Engn, La Jolla, CA 92093 USA. [Moro, Erik A.; Puckett, Anthony D.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA. RP Moro, EA (reprint author), Univ Calif San Diego, Dept Struct Engn, La Jolla, CA 92093 USA. EM eamoro@lanl.gov NR 15 TC 9 Z9 10 U1 0 U2 9 PU OPTICAL SOC AMER PI WASHINGTON PA 2010 MASSACHUSETTS AVE NW, WASHINGTON, DC 20036 USA SN 1559-128X EI 2155-3165 J9 APPL OPTICS JI Appl. Optics PD DEC 10 PY 2011 VL 50 IS 35 BP 6526 EP 6535 DI 10.1364/AO.50.006526 PG 10 WC Optics SC Optics GA 876NL UT WOS:000299114200017 PM 22193132 ER PT J AU Acciari, VA Aliu, E Arlen, T Aune, T Beilicke, M Benbow, W Bradbury, SM Buckley, JH Bugaev, V Byrum, K Cannon, A Cesarini, A Christiansen, JL Ciupik, L Collins-Hughes, E Connolly, MP Cui, W Duke, C Errando, M Falcone, A Finley, JP Finnegan, G Fortson, L Furniss, A Galante, N Gall, D Godambe, S Griffin, S Grube, J Guenette, R Gyuk, G Hanna, D Holder, J Hughes, G Hui, CM Humensky, TB Jackson, DJ Kaaret, P Karlsson, N Kertzman, M Kieda, D Krawczynski, H Krennrich, F Lang, MJ Madhavan, AS Maier, G McArthur, S McCann, A Moriarty, P Newbold, MD Ong, RA Orr, M Otte, AN Park, N Perkins, JS Pohl, M Prokoph, H Quinn, J Ragan, K Reyes, LC Reynolds, PT Roache, E Rose, HJ Ruppel, J Saxon, DB Schroedter, M Sembroski, GH Senturk, GD Smith, AW Staszak, D Swordy, SP Tesic, G Theiling, M Thibadeau, S Tsurusaki, K Varlotta, A Vassiliev, VV Vincent, S Vivier, M Wakely, SP Ward, JE Weekes, TC Weinstein, A Weisgarber, T Williams, DA Wood, M AF Acciari, V. A. Aliu, E. Arlen, T. Aune, T. Beilicke, M. Benbow, W. Bradbury, S. M. Buckley, J. H. Bugaev, V. Byrum, K. Cannon, A. Cesarini, A. Christiansen, J. L. Ciupik, L. Collins-Hughes, E. Connolly, M. P. Cui, W. Duke, C. Errando, M. Falcone, A. Finley, J. P. Finnegan, G. Fortson, L. Furniss, A. Galante, N. Gall, D. Godambe, S. Griffin, S. Grube, J. Guenette, R. Gyuk, G. Hanna, D. Holder, J. Hughes, G. Hui, C. M. Humensky, T. B. Jackson, D. J. Kaaret, P. Karlsson, N. Kertzman, M. Kieda, D. Krawczynski, H. Krennrich, F. Lang, M. J. Madhavan, A. S. Maier, G. McArthur, S. McCann, A. Moriarty, P. Newbold, M. D. Ong, R. A. Orr, M. Otte, A. N. Park, N. Perkins, J. S. Pohl, M. Prokoph, H. Quinn, J. Ragan, K. Reyes, L. C. Reynolds, P. T. Roache, E. Rose, H. J. Ruppel, J. Saxon, D. B. Schroedter, M. Sembroski, G. H. Sentuerk, G. D. Smith, A. W. Staszak, D. Swordy, S. P. Tesic, G. Theiling, M. Thibadeau, S. Tsurusaki, K. Varlotta, A. Vassiliev, V. V. Vincent, S. Vivier, M. Wakely, S. P. Ward, J. E. Weekes, T. C. Weinstein, A. Weisgarber, T. Williams, D. A. Wood, M. TI VERITAS OBSERVATIONS OF GAMMA-RAY BURSTS DETECTED BY SWIFT SO ASTROPHYSICAL JOURNAL LA English DT Article DE astroparticle physics; gamma-ray burst: general ID HIGH-ENERGY EMISSION; LARGE-AREA TELESCOPE; AFTERGLOW EMISSION; FERMI OBSERVATIONS; LIGHT CURVES; 1ST SURVEY; GEV-TEV; GRB; FLARES; COMPONENT AB We present the results of 16 Swift-triggered Gamma-ray burst (GRB) follow-up observations taken with the Very Energetic Radiation Imaging Telescope Array System (VERITAS) telescope array from 2007 January to 2009 June. The median energy threshold and response time of these observations were 260 GeV and 320 s, respectively. Observations had an average duration of 90 minutes. Each burst is analyzed independently in two modes: over the whole duration of the observations and again over a shorter timescale determined by the maximum VERITAS sensitivity to a burst with a t(-1.5) time profile. This temporal model is characteristic of GRB afterglows with high-energy, long-lived emission that have been detected by the Large Area Telescope on board the Fermi satellite. No significant very high energy (VHE) gamma-ray emission was detected and upper limits above the VERITAS threshold energy are calculated. The VERITAS upper limits are corrected for gamma-ray extinction by the extragalactic background light and interpreted in the context of the keV emission detected by Swift. For some bursts the VHE emission must have less power than the keV emission, placing constraints on inverse Compton models of VHE emission. C1 [Aune, T.; Furniss, A.; Otte, A. N.; Williams, D. A.] Univ Calif Santa Cruz, Santa Cruz Inst Particle Phys, Santa Cruz, CA 95064 USA. [Aune, T.; Furniss, A.; Otte, A. N.; Williams, D. A.] Univ Calif Santa Cruz, Dept Phys, Santa Cruz, CA 95064 USA. [Acciari, V. A.; Benbow, W.; Galante, N.; Perkins, J. S.; Roache, E.; Theiling, M.; Weekes, T. C.] Harvard Smithsonian Ctr Astrophys, Fred Lawrence Whipple Observ, Amado, AZ 85645 USA. [Aliu, E.; Errando, M.] Columbia Univ Barnard Coll, Dept Phys & Astron, New York, NY 10027 USA. [Arlen, T.; Ong, R. A.; Vassiliev, V. V.; Weinstein, A.; Wood, M.] Univ Calif Los Angeles, Dept Phys & Astron, Los Angeles, CA 90095 USA. [Beilicke, M.; Buckley, J. H.; Bugaev, V.; Krawczynski, H.; McArthur, S.; Thibadeau, S.] Washington Univ, Dept Phys, St Louis, MO 63130 USA. [Bradbury, S. M.; Rose, H. J.] Univ Leeds, Sch Phys & Astron, Leeds LS2 9JT, W Yorkshire, England. [Byrum, K.; Smith, A. W.] Argonne Natl Lab, Argonne, IL 60439 USA. [Cannon, A.; Collins-Hughes, E.; Quinn, J.; Ward, J. E.] Univ Coll Dublin, Sch Phys, Dublin 4, Ireland. [Cesarini, A.; Connolly, M. P.; Lang, M. J.] Natl Univ Ireland Galway, Sch Phys, Galway, Ireland. [Christiansen, J. L.; Jackson, D. J.] Calif Polytech State Univ San Luis Obispo, Dept Phys, San Luis Obispo, CA 94307 USA. [Ciupik, L.; Grube, J.; Gyuk, G.] Adler Planetarium & Astron Museum, Dept Astron, Chicago, IL 60605 USA. [Cui, W.; Finley, J. P.; Gall, D.; Sembroski, G. H.; Varlotta, A.] Purdue Univ, Dept Phys, W Lafayette, IN 47907 USA. [Duke, C.] Grinnell Coll, Dept Phys, Grinnell, IA 50112 USA. [Falcone, A.] Penn State Univ, Dept Astron & Astrophys, Davey Lab 525, University Pk, PA 16802 USA. [Finnegan, G.; Godambe, S.; Hui, C. M.; Kieda, D.; Newbold, M. D.; Vincent, S.] Univ Utah, Dept Phys & Astron, Salt Lake City, UT 84112 USA. [Fortson, L.; Karlsson, N.] Univ Minnesota, Sch Phys & Astron, Minneapolis, MN 55455 USA. [Griffin, S.; Guenette, R.; Hanna, D.; McCann, A.; Ragan, K.; Staszak, D.; Tesic, G.] McGill Univ, Dept Phys, Montreal, PQ H3A 2T8, Canada. [Holder, J.; Saxon, D. B.; Vivier, M.] Univ Delaware, Dept Phys & Astron, Newark, DE 19716 USA. [Holder, J.; Saxon, D. B.; Vivier, M.] Univ Delaware, Bartol Res Inst, Newark, DE 19716 USA. [Hughes, G.; Maier, G.; Pohl, M.; Prokoph, H.] DESY, D-15738 Zeuthen, Germany. [Humensky, T. B.; Park, N.; Reyes, L. C.; Wakely, S. P.; Weisgarber, T.] Univ Chicago, Enrico Fermi Inst, Chicago, IL 60637 USA. [Kaaret, P.; Tsurusaki, K.] Univ Iowa, Dept Phys & Astron, Iowa City, IA 52242 USA. [Kertzman, M.] Depauw Univ, Dept Phys & Astron, Greencastle, IN 46135 USA. [Krennrich, F.; Madhavan, A. S.; Orr, M.; Schroedter, M.] Iowa State Univ, Dept Phys & Astron, Ames, IA 50011 USA. [Moriarty, P.] Galway Mayo Inst Technol, Dept Life & Phys Sci, Galway, Ireland. [Pohl, M.; Ruppel, J.] Univ Potsdam, Inst Phys & Astron, D-14476 Potsdam, Germany. [Reynolds, P. T.] Cork Inst Technol, Dept Appl Phys & Instrumentat, Cork, Ireland. [Sentuerk, G. D.] Columbia Univ, Columbia Astrophys Lab, New York, NY 10027 USA. RP Aune, T (reprint author), Univ Calif Santa Cruz, Santa Cruz Inst Particle Phys, Santa Cruz, CA 95064 USA. OI Cui, Wei/0000-0002-6324-5772; Cesarini, Andrea/0000-0002-8611-8610; Ward, John E/0000-0003-1973-0794; Lang, Mark/0000-0003-4641-4201 FU US Department of Energy; US National Science Foundation; Smithsonian Institution; NSERC in Canada; Science Foundation Ireland [SFI 10/RFP/AST2748]; STFC in the UK; NASA [NNX09AR06G] FX This research is supported by grants from the US Department of Energy, the US National Science Foundation, and the Smithsonian Institution, by NSERC in Canada, by Science Foundation Ireland (SFI 10/RFP/AST2748), and by STFC in the UK. We acknowledge the excellent work of the technical support staff at the FLWO and the collaborating institutions in the construction and operation of the instrument. We acknowledge the support provided by NASA Swift Guest Investigator (GI) grant NNX09AR06G. T. Aune gratefully acknowledges the support provided by a NASA Graduate Student Researchers Program fellowship. This work made use of data supplied by the UK Swift Science Data Centre at the University of Leicester. NR 63 TC 18 Z9 18 U1 0 U2 4 PU IOP PUBLISHING LTD PI BRISTOL PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND SN 0004-637X J9 ASTROPHYS J JI Astrophys. J. PD DEC 10 PY 2011 VL 743 IS 1 AR 62 DI 10.1088/0004-637X/743/1/62 PG 10 WC Astronomy & Astrophysics SC Astronomy & Astrophysics GA 853EF UT WOS:000297408300062 ER PT J AU Clayton, GC Sugerman, BEK Stanford, SA Whitney, BA Honor, J Babler, B Barlow, MJ Gordon, KD Andrews, JE Geballe, TR Bond, HE De Marco, O Lawson, WA Sibthorpe, B Olofsson, G Polehampton, E Gomez, HL Matsuura, M Hargrave, PC Ivison, RJ Wesson, R Leeks, SJ Swinyard, BM Lim, TL AF Clayton, Geoffrey C. Sugerman, Ben E. K. Stanford, S. Adam Whitney, B. A. Honor, J. Babler, B. Barlow, M. J. Gordon, K. D. Andrews, J. E. Geballe, T. R. Bond, Howard E. De Marco, O. Lawson, W. A. Sibthorpe, B. Olofsson, G. Polehampton, E. Gomez, H. L. Matsuura, M. Hargrave, P. C. Ivison, R. J. Wesson, R. Leeks, S. J. Swinyard, B. M. Lim, T. L. TI THE CIRCUMSTELLAR ENVIRONMENT OF R CORONAE BOREALIS: WHITE DWARF MERGER OR FINAL-HELIUM-SHELL FLASH? SO ASTROPHYSICAL JOURNAL LA English DT Article DE dust, extinction; stars: evolution; stars: mass-loss ID HYDROGEN-DEFICIENT CARBON; 2-DIMENSIONAL RADIATIVE-TRANSFER; HERSCHEL-SPIRE INSTRUMENT; PROTOSTELLAR ENVELOPES; INFRARED-EMISSION; IRAS OBSERVATIONS; MAGELLANIC-CLOUD; DUST FORMATION; RCB STARS; NEBULA AB In 2007, R Coronae Borealis (R CrB) went into a historically deep and long decline. In this state, the dust acts like a natural coronagraph at visible wavelengths, allowing faint nebulosity around the star to be seen. Imaging has been obtained from 0.5 to 500 mu m with Gemini/GMOS, Hubble Space Telescope/WFPC2, Spitzer/MIPS, and Herschel/SPIRE. Several of the structures around R CrB are cometary globules caused by wind from the star streaming past dense blobs. The estimated dust mass of the knots is consistent with their being responsible for the R CrB declines if they form along the line of sight to the star. In addition, there is a large diffuse shell extending up to 4 pc away from the star containing cool 25 K dust that is detected all the way out to 500 mu m. The spectral energy distribution of R CrB can be well fitted by a 150 AU disk surrounded by a very large diffuse envelope which corresponds to the size of the observed nebulosity. The total masses of the disk and envelope are 10(-4) and 2M(circle dot), respectively, assuming a gas-to-dust ratio of 100. The evidence pointing toward a white dwarf merger or a final-helium-shell flash origin for R CrB is contradictory. The shell and the cometary knots are consistent with a fossil planetary nebula. Along with the fact that R CrB shows significant lithium in its atmosphere, this supports the final-helium-shell flash. However, the relatively high inferred mass of R CrB and its high fluorine abundance support a white dwarf merger. C1 [Clayton, Geoffrey C.; Andrews, J. E.] Louisiana State Univ, Dept Phys & Astron, Baton Rouge, LA 70803 USA. [Sugerman, Ben E. K.] Goucher Coll, Dept Phys & Astron, Towson, MD 21204 USA. [Stanford, S. Adam] Lawrence Livermore Natl Lab, IGPP, Livermore, CA 94551 USA. [Whitney, B. A.] Space Sci Inst, Boulder, CO 80301 USA. [Whitney, B. A.; Honor, J.; Babler, B.] Univ Wisconsin, Dept Astron, Madison, WI 53706 USA. [Barlow, M. J.] UCL, Dept Phys & Astron, London WC1E 6BT, England. [Gordon, K. D.; Bond, Howard E.; Matsuura, M.; Wesson, R.] STScI, Baltimore, MD 21218 USA. [Geballe, T. R.] Gemini Observ, Hilo, HI 96720 USA. [De Marco, O.] Macquarie Univ, Dept Phys, Sydney, NSW 2109, Australia. [Lawson, W. A.] Univ New S Wales, ADFA, Sch PEMS, Canberra, ACT 2610, Australia. [Sibthorpe, B.] Max Planck Inst Astron, D-69117 Heidelberg, Germany. [Olofsson, G.] Stockholm Univ, AlbaNova Univ Ctr, Dept Astron, SE-10691 Stockholm, Sweden. [Polehampton, E.; Leeks, S. J.; Swinyard, B. M.; Lim, T. L.] Rutherford Appleton Lab, Space Sci & Technol Dept, Didcot OX11 0QX, Oxon, England. [Polehampton, E.] Univ Lethbridge, Inst Space Imaging Sci, Lethbridge, AB T1J IB1, Canada. [Gomez, H. L.; Hargrave, P. C.] Cardiff Univ, Sch Phys & Astron, Cardiff CF24 3YB, S Glam, Wales. [Matsuura, M.] UCL, MSSL, Dorking RH5 6NT, Surrey, England. [Ivison, R. J.] UK Astron Technol Ctr, ROE, Edinburgh EH9 3HJ, Midlothian, Scotland. RP Clayton, GC (reprint author), Louisiana State Univ, Dept Phys & Astron, Baton Rouge, LA 70803 USA. EM gclayton@phys.lsu.edu; ben.sugerman@goucher.edu; stanford@physics.ucdavis.edu; bwhitney@spacescience.org; jhonor@astro.wisc.edu; brian@astro.wisc.edu; mjb@star.ucl.ac.uk; gordon@stsci.edu; jandrews@phys.lsu.edu; tgeballe@gemini.edu; bond@stsci.edu; orsola@science.mq.edu.au; w.lawson@adfa.edu.au; bruce.sibthorpe@stfc.ac.uk; olofsson@astro.su.se; edward.polehampton@stfc.ac.uk; haley.gomez@astro.cf.ac.uk; mikako@star.ucl.ac.uk; p.hargrave@astro.cf.ac.uk; rji@roe.ac.uk; rwesson@star.ucl.ac.uk; sarah.leeks@stfc.ac.uk; bruce.swinyard@stfc.ac.uk; tanya.lim@stfc.ac.uk RI Barlow, Michael/A-5638-2009; Ivison, R./G-4450-2011; OI Barlow, Michael/0000-0002-3875-1171; Ivison, R./0000-0001-5118-1313; Andrews, Jennifer/0000-0003-0123-0062; Babler, Brian/0000-0002-6984-5752; Clayton, Geoffrey/0000-0002-0141-7436 FU NASA [1287678, HST-GO-12000.01-A, NAS5-26555]; Space Telescope Science Institute; Alfred P. Sloan Foundation; Participating Institutions; National Science Foundation; U.S. Department of Energy; National Aeronautics and Space Administration; Japanese Monbukagakusho; Max Planck Society; Higher Education Funding Council for England FX We appreciate the granting of Gemini and HST Director's Discretionary time for this project. This work is based in part on observations made with the Spitzer Space Telescope, which is operated by the Jet Propulsion Laboratory, California Institute of Technology under a contract with NASA. Support for this work was provided by NASA through an award (RSA No. 1287678) issued by JPL/Caltech. Support for Program number HST-GO-12000.01-A was provided by NASA through a grant from the Space Telescope Science Institute, which is operated by the Association of Universities for Research in Astronomy, Incorporated, under NASA contract NAS5-26555. A portion of these data was obtained at the Gemini Observatory, which is operated by the Association of Universities for Research in Astronomy (AURA) under a cooperative agreement with the NSF on behalf of the Gemini partnership. Herschel is an ESA space observatory with science instruments provided by European-led Principal Investigator consortia and with important participation from NASA. Funding for the SDSS and SDSS-II has been provided by the Alfred P. Sloan Foundation, the Participating Institutions, the National Science Foundation, the U.S. Department of Energy, the National Aeronautics and Space Administration, the Japanese Monbukagakusho, the Max Planck Society, and the Higher Education Funding Council for England. We acknowledge with thanks the variable star observations from the AAVSO International Database contributed by observers worldwide and used in this research. NR 82 TC 25 Z9 25 U1 0 U2 4 PU IOP PUBLISHING LTD PI BRISTOL PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND SN 0004-637X J9 ASTROPHYS J JI Astrophys. J. PD DEC 10 PY 2011 VL 743 IS 1 AR 44 DI 10.1088/0004-637X/743/1/44 PG 10 WC Astronomy & Astrophysics SC Astronomy & Astrophysics GA 853EF UT WOS:000297408300044 ER PT J AU Coil, AL Weiner, BJ Holz, DE Cooper, MC Yan, RB Aird, J AF Coil, Alison L. Weiner, Benjamin J. Holz, Daniel E. Cooper, Michael C. Yan, Renbin Aird, James TI OUTFLOWING GALACTIC WINDS IN POST-STARBURST AND ACTIVE GALACTIC NUCLEUS HOST GALAXIES AT 0.2 < z < 0.8 SO ASTROPHYSICAL JOURNAL LA English DT Article DE galaxies: active; galaxies: evolution; galaxies: high-redshift; galaxies: ISM; galaxies: starburst ultraviolet: ISM ID STAR-FORMING GALAXIES; FRAME ULTRAVIOLET-SPECTRA; ABSORPTION-LINE PROBES; EXTENDED GROTH STRIP; DIGITAL SKY SURVEY; SIMILAR-TO 1; INFRARED GALAXIES; REDSHIFT SURVEY; LUMINOSITY FUNCTION; FIELD GALAXIES AB We present Keck/LRIS-B spectra for a sample of 10 AEGIS X-ray active galactic nucleus (AGN) host galaxies and 13 post-starburst galaxies from SDSS and DEEP2 at 0.2 < z < 0.8 in order to investigate the presence, properties, and influence of outflowing galactic winds at intermediate redshifts. We focus on galaxies that either host a low-luminosity AGN or have recently had their star formation quenched to test whether these galaxies have winds of sufficient velocity to potentially clear gas from the galaxy. We find, using absorption features of Fe II, Mg II, and Mg I, that six of the ten (60%) X-ray AGN host galaxies and four of the thirteen (31%) post-starburst galaxies have outflowing galactic winds, with typical velocities of similar to 200 km s(-1). We additionally find that most of the galaxies in our sample show line emission, possibly from the wind, in either Fe II* or Mg II. A total of 100% of our X-ray AGN host sample (including four red sequence galaxies) and 77% of our post-starburst sample has either blueshifted absorption or line emission. Several K+A galaxies have small amounts of cool gas absorption at the systemic velocity, indicating that not all of the cool gas has been expelled. We conclude that while outflowing galactic winds are common in both X-ray low-luminosity AGN host galaxies and post-starburst galaxies at intermediate redshifts, the winds are likely driven by supernovae (as opposed to AGNs) and do not appear to have sufficiently high velocities to quench star formation in these galaxies. C1 [Coil, Alison L.; Aird, James] Univ Calif San Diego, Ctr Astrophys & Space Sci, Dept Phys, San Diego, CA 92093 USA. [Weiner, Benjamin J.] Univ Arizona, Steward Observ, Tucson, AZ 85721 USA. [Holz, Daniel E.] Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA. [Cooper, Michael C.] Univ Calif Irvine, Dept Phys & Cosmol, Irvine, CA 92697 USA. [Yan, Renbin] NYU, Dept Phys, Ctr Cosmol & Particle Phys, New York, NY 10003 USA. [Holz, Daniel E.] Univ Chicago, Enrico Fermi Inst, Kavli Inst Cosmol Phys, Chicago, IL 60637 USA. [Holz, Daniel E.] Univ Chicago, Dept Phys, Chicago, IL 60637 USA. RP Coil, AL (reprint author), Univ Calif San Diego, Ctr Astrophys & Space Sci, Dept Phys, 9500 Gilman Dr, San Diego, CA 92093 USA. OI Weiner, Benjamin/0000-0001-6065-7483 FU W. M. Keck Foundation; NSF; NASA; STFC; SDSS survey; Alfred P. Sloan Foundation; U.S. Department of Energy FX We thank the referee for a careful and thoughtful report, which strengthened the paper. The authors thank Aleks Diamond-Stanic, Katherine Kornei, Crystal Martin, John Moustakas, Jason X. Prochaska, Kate Rubin, Alice Shapley, and Christy Tremonti for useful discussions. We also thank Christy Tremonti for sharing her stellar continuum fitting code. The data presented herein were obtained at the W. M. Keck Observatory, which is operated as a scientific partnership among the California Institute of Technology, the University of California and NASA. The Observatory was made possible by the generous financial support of the W. M. Keck Foundation. The authors recognize and acknowledge the very significant cultural role and reverence that the summit ofMauna Kea has always had within the indigenous Hawaiian community. The Keck access used for these observations is from NOAO and the University of California. This study uses data from both the AEGIS survey, which is supported in part by the NSF, NASA, and the STFC, and the SDSS survey, which is supported in part by the Alfred P. Sloan Foundation, the participating institutions, the NSF, the U.S. Department of Energy, and NASA. NR 58 TC 43 Z9 43 U1 0 U2 4 PU IOP PUBLISHING LTD PI BRISTOL PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND SN 0004-637X J9 ASTROPHYS J JI Astrophys. J. PD DEC 10 PY 2011 VL 743 IS 1 AR 46 DI 10.1088/0004-637X/743/1/46 PG 23 WC Astronomy & Astrophysics SC Astronomy & Astrophysics GA 853EF UT WOS:000297408300046 ER PT J AU Cushing, MC Kirkpatrick, JD Gelino, CR Griffith, RL Skrutskie, MF Mainzer, A Marsh, KA Beichman, CA Burgasser, AJ Prato, LA Simcoe, RA Marley, MS Saumon, D Freedman, RS Eisenhardt, PR Wright, EL AF Cushing, Michael C. Kirkpatrick, J. Davy Gelino, Christopher R. Griffith, Roger L. Skrutskie, Michael F. Mainzer, A. Marsh, Kenneth A. Beichman, Charles A. Burgasser, Adam J. Prato, Lisa A. Simcoe, Robert A. Marley, Mark S. Saumon, D. Freedman, Richard S. Eisenhardt, Peter R. Wright, Edward L. TI THE DISCOVERY OF Y DWARFS USING DATA FROM THE WIDE-FIELD INFRARED SURVEY EXPLORER (WISE) SO ASTROPHYSICAL JOURNAL LA English DT Article DE brown dwarfs; infrared: stars; stars: individual (UGPS J072227.51-054031.2, WISEPC J014807.25, 720258.8, WISEP J041022.71+150248.5, WISEPC J140518.40+553421.5, WISEP J154151.65225025.2, WISEP J173835.52+273258.9, WISEP J182831.08+265037.8, WISEPC J205628.90+145953.3); stars: low-mass ID COOL BROWN DWARF; SUBSTELLAR MASS FUNCTION; SPITZER-SPACE-TELESCOPE; ADAPTIVE OPTICS SYSTEM; KECK-II-TELESCOPE; SKY SURVEY 2MASS; T-DWARFS; CHEMICAL-EQUILIBRIUM; SPECTRAL CLASSIFICATION; ECHELLE SPECTROGRAPH AB We present the discovery of seven ultracool brown dwarfs identified with the Wide-field Infrared Survey Explorer (WISE). Near-infrared spectroscopy reveals deep absorption bands of H2O and CH4 that indicate all seven of the brown dwarfs have spectral types later than UGPS J072227.51-054031.2, the latest-type T dwarf currently known. The spectrum of WISEP J182831.08+ 265037.8 is distinct in that the heights of the J- and H-band peaks are approximately equal in units of f lambda, so we identify it as the archetypal member of the Y spectral class. The spectra of at least two of the other brown dwarfs exhibit absorption on the blue wing of the H-band peak that we tentatively ascribe to NH3. These spectral morphological changes provide a clear transition between the T dwarfs and the Y dwarfs. In order to produce a smooth near-infrared spectral sequence across the T/Y dwarf transition, we have reclassified UGPS 0722-05 as the T9 spectral standard and tentatively assign WISEP J173835.52+ 273258.9 as the Y0 spectral standard. In total, six of the seven new brown dwarfs are classified as Y dwarfs: four are classified as Y0, one is classified as Y0 (pec?), and WISEP J1828+ 2650 is classified as > Y0. We have also compared the spectra to the model atmospheres of Marley and Saumon and infer that the brown dwarfs have effective temperatures ranging from 300 K to 500 K, making them the coldest spectroscopically confirmed brown dwarfs known to date. C1 [Kirkpatrick, J. Davy; Gelino, Christopher R.; Griffith, Roger L.; Marsh, Kenneth A.; Beichman, Charles A.] CALTECH, Ctr Infrared Proc & Anal, Pasadena, CA 91125 USA. [Skrutskie, Michael F.] Univ Virginia, Dept Astron, Charlottesville, VA 22904 USA. [Burgasser, Adam J.] Univ Calif San Diego, Ctr Astrophys & Space Sci, La Jolla, CA 92093 USA. [Burgasser, Adam J.; Simcoe, Robert A.] MIT, Cambridge, MA 02139 USA. [Prato, Lisa A.] Lowell Observ, Flagstaff, AZ 86001 USA. [Marley, Mark S.; Freedman, Richard S.] NASA, Ames Res Ctr, Moffett Field, CA 94035 USA. [Saumon, D.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA. [Wright, Edward L.] Univ Calif Los Angeles, Dept Phys & Astron, Los Angeles, CA 90095 USA. [Cushing, Michael C.; Mainzer, A.; Eisenhardt, Peter R.] CALTECH, Jet Prop Lab, Pasadena, CA 91109 USA. RP Cushing, MC (reprint author), Univ Toledo, Dept Phys & Astron, 2801 W Bancroft St, Toledo, OH 43606 USA. EM michael.cushing@gmail.com RI Marley, Mark/I-4704-2013; OI Marley, Mark/0000-0002-5251-2943 FU NASA; National Aeronautics and Space Administration; National Science Foundation; Alfred P. Sloan Foundation; U.S. Department of Energy; Japanese Monbukagakusho; Max Planck Society; Higher Education Funding Council for England; W. M. Keck Foundation; Harvard University Milton Fund; University of Virginia; SAO; University of California, Berkeley; NOAO through the Telescope System Instrumentation Program (TSIP) [2010B-0184]; National Aeronautics and Space Administration [NNG06GH50G]; Chris and Warren Hellman Fellowship FX We thank Tom Jarrett for guidance with the WIRC data reduction, Barry Rothberg, and Norbert Pirzkal for their guidance in reducing the HST/WFC3 data, and Ben Burningham, Sandy Leggett, and Mike Liu for providing digital copies of late-type T dwarf spectra. We also thank Mauricio Martinez, Jorge Araya, and Nidia Morrell for observing support at Magellan. M. S. M. and D. S. acknowledge the support of the NASA ATP program. This publication makes use of data products from the Wide-field Infrared Survey Explorer, the Two Micron All Sky Survey (2MASS), and the Sloan Digital Sky Survey (SDSS). The Wide-field Infrared Survey Explorer is a joint project of the University of California, Los Angeles, and the Jet Propulsion Laboratory/California Institute of Technology, funded by the National Aeronautics and Space Administration. 2MASS is a joint project of the University of Massachusetts and the Infrared Processing and Analysis Center/California Institute of Technology, funded by the National Aeronautics and Space Administration and the National Science Foundation. SDSS is funded by the Alfred P. Sloan Foundation, the Participating Institutions, the National Science Foundation, the U.S. Department of Energy, the National Aeronautics and Space Administration, the Japanese Monbukagakusho, the Max Planck Society, and the Higher Education Funding Council for England. This research has made use of the NASA/IPAC Infrared Science Archive (IRSA), which is operated by the Jet Propulsion Laboratory, California Institute of Technology, under contract with the National Aeronautics and Space Administration. Our research has also benefited from the M, L, and T dwarf compendium housed at DwarfArchives. org whose server was funded by a NASA Small Research Grant, administered by the American Astronomical Society and the SpeX Prism Spectral Libraries, maintained by Adam Burgasser at http://www.browndwarfs.org/spexprism. Data presented herein were obtained at the W. M. Keck Observatory from telescope time allocated to the National Aeronautics and Space Administration through the agency's scientific partnership with the California Institute of Technology and the University of California. The Observatory was made possible by the generous financial support of the W. M. Keck Foundation. This paper also includes data gathered with the 6.5 m Magellan Telescopes located at Las Campanas Observatory, Chile and the Peters Automated Infrared Imaging Telescope (PAIRITEL) which is operated by the Smithsonian Astrophysical Observatory (SAO) and was made possible by a grant from the Harvard University Milton Fund, the camera loan from the University of Virginia, and the continued support of the SAO and the University of California, Berkeley. Magellan telescope time was granted by NOAO (Proposal ID 2010B-0184, P. I. Mainzer), through the Telescope System Instrumentation Program (TSIP). TSIP is funded by NSF. National Optical Astronomy Observatory, which is operated by the Association of Universities for Research in Astronomy (AURA) under cooperative agreement with the National Science Foundation. Partial support for PAIRITEL operations and this work comes from National Aeronautics and Space Administration grant NNG06GH50G. A.J.B. acknowledges support from the Chris and Warren Hellman Fellowship Program. Finally, this research was supported (in part) by an appointment to the NASA Postdoctoral Program at the Jet Propulsion Laboratory, administered by Oak Ridge Associated Universities through a contract with NASA. NR 93 TC 143 Z9 144 U1 0 U2 10 PU IOP PUBLISHING LTD PI BRISTOL PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND SN 0004-637X J9 ASTROPHYS J JI Astrophys. J. PD DEC 10 PY 2011 VL 743 IS 1 AR 50 DI 10.1088/0004-637X/743/1/50 PG 17 WC Astronomy & Astrophysics SC Astronomy & Astrophysics GA 853EF UT WOS:000297408300050 ER PT J AU Keisler, R Reichardt, CL Aird, KA Benson, BA Bleem, LE Carlstrom, JE Chang, CL Cho, HM Crawford, TM Crites, AT de Haan, T Dobbs, MA Dudley, J George, EM Halverson, NW Holder, GP Holzapfel, WL Hoover, S Hou, Z Hrubes, JD Joy, M Knox, L Lee, AT Leitch, EM Lueker, M Luong-Van, D McMahon, JJ Mehl, J Meyer, SS Millea, M Mohr, JJ Montroy, TE Natoli, T Padin, S Plagge, T Pryke, C Ruhl, JE Schaffer, KK Shaw, L Shirokoff, E Spieler, HG Staniszewski, Z Stark, AA Story, K van Engelen, A Vanderlinde, K Vieira, JD Williamson, R Zahn, O AF Keisler, R. Reichardt, C. L. Aird, K. A. Benson, B. A. Bleem, L. E. Carlstrom, J. E. Chang, C. L. Cho, H. M. Crawford, T. M. Crites, A. T. de Haan, T. Dobbs, M. A. Dudley, J. George, E. M. Halverson, N. W. Holder, G. P. Holzapfel, W. L. Hoover, S. Hou, Z. Hrubes, J. D. Joy, M. Knox, L. Lee, A. T. Leitch, E. M. Lueker, M. Luong-Van, D. McMahon, J. J. Mehl, J. Meyer, S. S. Millea, M. Mohr, J. J. Montroy, T. E. Natoli, T. Padin, S. Plagge, T. Pryke, C. Ruhl, J. E. Schaffer, K. K. Shaw, L. Shirokoff, E. Spieler, H. G. Staniszewski, Z. Stark, A. A. Story, K. van Engelen, A. Vanderlinde, K. Vieira, J. D. Williamson, R. Zahn, O. TI A MEASUREMENT OF THE DAMPING TAIL OF THE COSMIC MICROWAVE BACKGROUND POWER SPECTRUM WITH THE SOUTH POLE TELESCOPE SO ASTROPHYSICAL JOURNAL LA English DT Article DE cosmic background radiation; cosmological parameters; cosmology: observations ID ATACAMA COSMOLOGY TELESCOPE; BIG-BANG NUCLEOSYNTHESIS; MASSIVE GALAXY CLUSTERS; PRIMORDIAL NUCLEOSYNTHESIS; OBSERVED GROWTH; CONSTRAINTS; ANISOTROPIES; POLARIZATION; TEMPERATURE; ABUNDANCE AB We present a measurement of the angular power spectrum of the cosmic microwave background (CMB) using data from the South Pole Telescope (SPT). The data consist of 790 deg(2) of sky observed at 150 GHz during 2008 and 2009. Here we present the power spectrum over the multipole range 650 < l < 3000, where it is dominated by primary CMB anisotropy. We combine this power spectrum with the power spectra from the seven-year Wilkinson Microwave Anisotropy Probe (WMAP) data release to constrain cosmological models. We find that the SPT and WMAP data are consistent with each other and, when combined, are well fit by a spatially flat, Lambda CDM cosmological model. The SPT+WMAP constraint on the spectral index of scalar fluctuations is n(s) = 0.9663 +/- 0.0112. We detect, at similar to 5 sigma significance, the effect of gravitational lensing on the CMB power spectrum, and find its amplitude to be consistent with the Lambda CDM cosmological model. We explore a number of extensions beyond the Lambda CDM model. Each extension is tested independently, although there are degeneracies between some of the extension parameters. We constrain the tensor-to-scalar ratio to be r < 0.21 (95% CL) and constrain the running of the scalar spectral index to be dn(s)/d ln k = -0.024 +/- 0.013. We strongly detect the effects of primordial helium and neutrinos on the CMB; a model without helium is rejected at 7.7 sigma, while a model without neutrinos is rejected at 7.5 sigma. The primordial helium abundance is measured to be Y-p = 0.296 +/- 0.030, and the effective number of relativistic species is measured to be N-eff = 3.85 +/- 0.62. The constraints on these models are strengthened when the CMB data are combined with measurements of the Hubble constant and the baryon acoustic oscillation feature. Notable improvements include n(s) = 0.9668 +/- 0.0093, r < 0.17 (95% CL), and N-eff = 3.86 +/- 0.42. The SPT+WMAP data show a mild preference for low power in the CMB damping tail, and while this preference may be accommodated by models that have a negative spectral running, a high primordial helium abundance, or a high effective number of relativistic species, such models are disfavored by the abundance of low-redshift galaxy clusters. C1 [Keisler, R.; Benson, B. A.; Bleem, L. E.; Carlstrom, J. E.; Chang, C. L.; Crawford, T. M.; Crites, A. T.; Hoover, S.; Leitch, E. M.; Mehl, J.; Meyer, S. S.; Natoli, T.; Padin, S.; Plagge, T.; Pryke, C.; Schaffer, K. K.; Story, K.; Williamson, R.] Univ Chicago, Kavli Inst Cosmol Phys, Chicago, IL 60637 USA. [Keisler, R.; Bleem, L. E.; Carlstrom, J. E.; Hoover, S.; Meyer, S. S.; Natoli, T.; Story, K.] Univ Chicago, Dept Phys, Chicago, IL 60637 USA. [Reichardt, C. L.; George, E. M.; Holzapfel, W. L.; Lee, A. T.; Shirokoff, E.] Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA. [Benson, B. A.; Carlstrom, J. E.; Chang, C. L.; Meyer, S. S.; Pryke, C.; Schaffer, K. K.] Univ Chicago, Enrico Fermi Inst, Chicago, IL 60637 USA. [Aird, K. A.; Carlstrom, J. E.; Crawford, T. M.; Crites, A. T.; Hrubes, J. D.; Leitch, E. M.; Luong-Van, D.; Meyer, S. S.; Padin, S.; Plagge, T.; Pryke, C.; Williamson, R.] Univ Chicago, Dept Astron & Astrophys, Chicago, IL 60637 USA. [Carlstrom, J. E.; Chang, C. L.] Argonne Natl Lab, Argonne, IL 60439 USA. [Cho, H. M.] NIST Quantum Devices Grp, Boulder, CO 80305 USA. [de Haan, T.; Dobbs, M. A.; Dudley, J.; Holder, G. P.; van Engelen, A.; Vanderlinde, K.] McGill Univ, Dept Phys, Montreal, PQ H3A 2T8, Canada. [Halverson, N. W.] Univ Colorado, Dept Astrophys & Planetary Sci, Boulder, CO 80309 USA. [Halverson, N. W.] Univ Colorado, Dept Phys, Boulder, CO 80309 USA. [Hou, Z.; Knox, L.; Millea, M.] Univ Calif Davis, Dept Phys, Davis, CA 95616 USA. [Joy, M.] NASA Marshall Space Flight Ctr, Dept Space Sci, Huntsville, AL 35812 USA. [Lee, A. T.; Spieler, H. G.] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Phys, Berkeley, CA 94720 USA. [Lueker, M.; Padin, S.; Vieira, J. D.] CALTECH, Dept Astron, Pasadena, CA 91125 USA. [McMahon, J. J.] Univ Michigan, Dept Phys, Ann Arbor, MI 48109 USA. [Mohr, J. J.] Univ Munich, Dept Phys, D-81679 Munich, Germany. [Mohr, J. J.] Excellence Cluster Universe, D-85748 Garching, Germany. [Mohr, J. J.] Max Planck Inst Extraterr Phys, D-85748 Garching, Germany. [Montroy, T. E.; Ruhl, J. E.; Staniszewski, Z.] Case Western Reserve Univ, Dept Phys, Ctr Educ & Res Cosmol & Astrophys, Cleveland, OH 44106 USA. [Pryke, C.] Univ Minnesota, Dept Phys, Minneapolis, MN 55455 USA. [Schaffer, K. K.] Sch Art Inst Chicago, Liberal Arts Dept, Chicago, IL 60603 USA. [Shaw, L.] Yale Univ, Dept Phys, New Haven, CT 06520 USA. [Stark, A. A.] Harvard Smithsonian Ctr Astrophys, Cambridge, MA 02138 USA. [Zahn, O.] Univ Calif Berkeley, Berkeley Ctr Cosmol Phys, Dept Phys, Berkeley, CA 94720 USA. [Zahn, O.] Lawrence Berkeley Natl Labs, Berkeley, CA 94720 USA. RP Keisler, R (reprint author), Univ Chicago, Kavli Inst Cosmol Phys, Chicago, IL 60637 USA. EM rkeisler@uchicago.edu RI Williamson, Ross/H-1734-2015; Holzapfel, William/I-4836-2015; OI Williamson, Ross/0000-0002-6945-2975; Aird, Kenneth/0000-0003-1441-9518; Reichardt, Christian/0000-0003-2226-9169; Stark, Antony/0000-0002-2718-9996 FU National Science Foundation [ANT-0638937, ANT-0130612, AST-1009811, 0709498]; NSF Physics Frontier Center [PHY-0114422]; National Sciences and Engineering Research Council of Canada; Canada Research Chairs program; Canadian Institute for Advanced Research; NASA [51275.01]; KICP; Alfred P. Sloan; Yale University; Office of Science of the U.S. Department of Energy [DE-AC02-05CH11231] FX The South Pole Telescope is supported by the National Science Foundation through grants ANT-0638937 and ANT-0130612. Partial support is also provided by the NSF Physics Frontier Center grant PHY-0114422 to the Kavli Institute of Cosmological Physics at the University of Chicago, the Kavli Foundation, and the Gordon and Betty Moore Foundation. The McGill group acknowledges funding from the National Sciences and Engineering Research Council of Canada, Canada Research Chairs program, and the Canadian Institute for Advanced Research. We acknowledge use of the FNAL-KICP Joint Cluster. R. Keisler acknowledges support from NASA Hubble Fellowship grant HF-51275.01. B. A. Benson is supported by a KICP Fellowship. M. Dobbs acknowledges support from an Alfred P. Sloan Research Fellowship. L. Shaw acknowledges the support of Yale University and NSF grant AST-1009811. M. Millea and L. Knox acknowledge the support of NSF grant 0709498. This research used resources of the National Energy Research Scientific Computing Center, which is supported by the Office of Science of the U.S. Department of Energy under Contract No. DE-AC02-05CH11231. We acknowledge the use of the Legacy Archive for Microwave Background Data Analysis (LAMBDA). Support for LAMBDA is provided by the NASA Office of Space Science. NR 72 TC 354 Z9 354 U1 6 U2 22 PU IOP PUBLISHING LTD PI BRISTOL PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND SN 0004-637X EI 1538-4357 J9 ASTROPHYS J JI Astrophys. J. PD DEC 10 PY 2011 VL 743 IS 1 AR 28 DI 10.1088/0004-637X/743/1/28 PG 17 WC Astronomy & Astrophysics SC Astronomy & Astrophysics GA 853EF UT WOS:000297408300028 ER PT J AU Mocak, M Meakin, CA Muller, E Siess, L AF Mocak, M. Meakin, Casey A. Mueller, E. Siess, L. TI A NEW STELLAR MIXING PROCESS OPERATING BELOW SHELL CONVECTION ZONES FOLLOWING OFF-CENTER IGNITION SO ASTROPHYSICAL JOURNAL LA English DT Article DE hydrodynamics; stars: evolution; stars: interiors; turbulence ID CORE HELIUM FLASH; HYDRODYNAMIC SIMULATIONS; TURBULENT CONVECTION; AGB STARS; EVOLUTION; INTERIORS; GIANTS; FLUID; CARBON; II. AB During most stages of stellar evolution the nuclear burning of lighter to heavier elements results in a radial composition profile which is stabilizing against buoyant acceleration, with light material residing above heavier material. However, under some circumstances, such as off-center ignition, the composition profile resulting from nuclear burning can be destabilizing and characterized by an outwardly increasing mean molecular weight. The potential for instabilities under these circumstances and the consequences that they may have on stellar structural evolution remain largely unexplored. In this paper we study the development and evolution of instabilities associated with unstable composition gradients in regions that are initially stable according to linear Schwarzschild and Ledoux criteria. In particular, we study the development of turbulent flow under a variety of stellar evolution conditions with multi-dimensional hydrodynamic simulation; the phases studied include the core helium flash in a 1.25 M(circle dot) star, the core carbon flash in a 9.3 M(circle dot) star, and oxygen shell burning in a 23 M(circle dot) star. The results of our simulations reveal a mixing process associated with regions having outwardly increasing mean molecular weight that reside below convection zones. The mixing is not due to overshooting from the convection zone, nor is it due directly to thermohaline mixing which operates on a timescale several orders of magnitude larger than the simulated flows. Instead, the mixing appears to be due to the presence of a wave field induced in the stable layers residing beneath the convection zone which enhances the mixing rate by many orders of magnitude and allows a thermohaline type mixing process to operate on a dynamical, rather than thermal, timescale. The mixing manifests itself in the form of overdense and cold blob-like structures originating from density fluctuations at the lower boundary of convective shell and "shooting" down into the core. They are enriched with nuclearly processed material, hence leaving behind traces of higher mean molecular weight. In these regions, we find that initially smooth composition gradients steepen into stair-step-like profiles in which homogeneous, mixed regions are separated by composition jumps. These step-like profiles are then seen to evolve by a process of interface migration driven by turbulent entrainment. We discuss our results in terms of related laboratory phenomena and associated theoretical developments. We also discuss the degree to which the simulated mixing rates depend on the numerical resolution, and what future steps can be taken to capture the mixing rates accurately. C1 [Mocak, M.; Siess, L.] Univ Libre Bruxelles, Inst Astron & Astrophys, B-1050 Brussels, Belgium. [Meakin, Casey A.] Univ Arizona, Steward Observ, Tucson, AZ 85721 USA. [Meakin, Casey A.] Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA. [Mueller, E.] Max Planck Inst Astrophys, D-85741 Garching, Germany. RP Mocak, M (reprint author), Univ Libre Bruxelles, Inst Astron & Astrophys, CP 226, B-1050 Brussels, Belgium. EM mmocak@ulb.ac.be FU Communaute francaise de Belgique - Actions de Recherche Concertees; Institut d'Astronomie et d'Astrophysique at the Universite Libre de Bruxelles (ULB) FX The simulations were performed at the computer center of the Max-Planck-Society in Garching (RZG). M. M. acknowledges financial support from the Communaute francaise de Belgique - Actions de Recherche Concertees, and from the Institut d'Astronomie et d'Astrophysique at the Universite Libre de Bruxelles (ULB). The authors thank Christophe Almarcha and Anne De Wit for enlightening discussions on chemo-hydrodynamics. We express our gratitude to Rob Izzard for valuable discussions and for helpful comments on the manuscript. NR 34 TC 11 Z9 11 U1 0 U2 3 PU IOP PUBLISHING LTD PI BRISTOL PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND SN 0004-637X J9 ASTROPHYS J JI Astrophys. J. PD DEC 10 PY 2011 VL 743 IS 1 AR 55 DI 10.1088/0004-637X/743/1/55 PG 9 WC Astronomy & Astrophysics SC Astronomy & Astrophysics GA 853EF UT WOS:000297408300055 ER PT J AU Schaffer, KK Crawford, TM Aird, KA Benson, BA Bleem, LE Carlstrom, JE Chang, CL Cho, HM Crites, AT de Haan, T Dobbs, MA George, EM Halverson, NW Holder, GP Holzapfel, WL Hoover, S Hrubes, JD Joy, M Keisler, R Knox, L Lee, AT Leitch, EM Lueker, M Luong-Van, D McMahon, JJ Mehl, J Meyer, SS Mohr, JJ Montroy, TE Padin, S Plagge, T Pryke, C Reichardt, CL Ruhl, JE Shirokoff, E Spieler, HG Stalder, B Staniszewski, Z Stark, AA Story, K Vanderlinde, K Vieira, JD Williamson, R AF Schaffer, K. K. Crawford, T. M. Aird, K. A. Benson, B. A. Bleem, L. E. Carlstrom, J. E. Chang, C. L. Cho, H. M. Crites, A. T. de Haan, T. Dobbs, M. A. George, E. M. Halverson, N. W. Holder, G. P. Holzapfel, W. L. Hoover, S. Hrubes, J. D. Joy, M. Keisler, R. Knox, L. Lee, A. T. Leitch, E. M. Lueker, M. Luong-Van, D. McMahon, J. J. Mehl, J. Meyer, S. S. Mohr, J. J. Montroy, T. E. Padin, S. Plagge, T. Pryke, C. Reichardt, C. L. Ruhl, J. E. Shirokoff, E. Spieler, H. G. Stalder, B. Staniszewski, Z. Stark, A. A. Story, K. Vanderlinde, K. Vieira, J. D. Williamson, R. TI THE FIRST PUBLIC RELEASE OF SOUTH POLE TELESCOPE DATA: MAPS OF A 95 deg(2) FIELD FROM 2008 OBSERVATIONS SO ASTROPHYSICAL JOURNAL LA English DT Article DE cosmic background radiation; cosmology: observations; methods: data analysis; surveys ID MICROWAVE BACKGROUND ANISOTROPIES; ZELDOVICH POWER SPECTRUM; GALAXY CLUSTERS; SOURCE CATALOG; SUBMILLIMETER; RADIO; SIMULATIONS; PARAMETERS; COSMOLOGY; SKY AB The South Pole Telescope (SPT) has nearly completed a 2500 deg(2) survey of the southern sky in three frequency bands. Here, we present the first public release of SPT maps and associated data products. We present arcminute-resolution maps at 150 GHz and 220 GHz of an approximately 95 deg(2) field centered at R. A. 82 degrees.7, decl. -55 degrees. The field was observed to a depth of approximately 17 mu K arcmin at 150 GHz and 41 mu K arcmin at 220 GHz during the 2008 austral winter season. Two variations on map filtering and map projection are presented, one tailored for producing catalogs of galaxy clusters detected through their Sunyaev-Zel'dovich effect signature and one tailored for producing catalogs of emissive sources. We describe the data processing pipeline, and we present instrument response functions, filter transfer functions, and map noise properties. All data products described in this paper are available for download at http://pole.uchicago.edu/public/data/maps/ra5h30dec-55 and from the NASA Legacy Archive for Microwave Background Data Analysis server. This is the first step in the eventual release of data from the full 2500 deg(2) SPT survey. C1 [Schaffer, K. K.; Crawford, T. M.; Benson, B. A.; Bleem, L. E.; Carlstrom, J. E.; Chang, C. L.; Crites, A. T.; Hoover, S.; Keisler, R.; Leitch, E. M.; Mehl, J.; Meyer, S. S.; Padin, S.; Plagge, T.; Pryke, C.; Story, K.; Williamson, R.] Univ Chicago, Kavli Inst Cosmol Phys, Chicago, IL 60637 USA. [Schaffer, K. K.; Benson, B. A.; Carlstrom, J. E.; Chang, C. L.; Meyer, S. S.; Pryke, C.] Univ Chicago, Enrico Fermi Inst, Chicago, IL 60637 USA. [Schaffer, K. K.] Sch Art Inst Chicago, Liberal Arts Dept, Chicago, IL 60603 USA. [Crawford, T. M.; Carlstrom, J. E.; Crites, A. T.; Leitch, E. M.; Meyer, S. S.; Padin, S.; Plagge, T.; Pryke, C.; Williamson, R.] Univ Chicago, Dept Astron & Astrophys, Chicago, IL 60637 USA. [Bleem, L. E.; Carlstrom, J. E.; Hoover, S.; Meyer, S. S.; Story, K.] Univ Chicago, Dept Phys, Chicago, IL 60637 USA. [Carlstrom, J. E.; Chang, C. L.] Argonne Natl Lab, Argonne, IL 60439 USA. [Cho, H. M.] NIST Quantum Devices Grp, Boulder, CO 80305 USA. [de Haan, T.; Dobbs, M. A.; Holder, G. P.; Vanderlinde, K.] McGill Univ, Dept Phys, Montreal, PQ H3A 2T8, Canada. [George, E. M.; Holzapfel, W. L.; Lee, A. T.; Reichardt, C. L.; Shirokoff, E.] Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA. [Halverson, N. W.] Univ Colorado, Dept Astrophys & Planetary Sci, Boulder, CO 80309 USA. [Halverson, N. W.] Univ Colorado, Dept Phys, Boulder, CO 80309 USA. [Joy, M.] NASA, Dept Space Sci, George C Marshall Space Flight Ctr, Huntsville, AL 35812 USA. [Knox, L.] Univ Calif Davis, Dept Phys, Davis, CA 95616 USA. [Lee, A. T.; Spieler, H. G.] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Phys, Berkeley, CA 94720 USA. [Lueker, M.; Padin, S.; Staniszewski, Z.; Vieira, J. D.] CALTECH, Pasadena, CA 91125 USA. [McMahon, J. J.] Univ Michigan, Dept Phys, Ann Arbor, MI 48109 USA. [Mohr, J. J.] Univ Munich, Dept Phys, D-81679 Munich, Germany. [Mohr, J. J.] Excellence Cluster Univ, D-85748 Garching, Germany. [Mohr, J. J.] Max Planck Inst Extraterr Phys, D-85748 Garching, Germany. [Montroy, T. E.; Ruhl, J. E.] Case Western Reserve Univ, Dept Phys, Ctr Educ & Res Cosmol & Astrophys, Cleveland, OH 44106 USA. [Pryke, C.] Univ Minnesota, Dept Phys, Minneapolis, MN 55455 USA. [Stalder, B.; Stark, A. A.] Harvard Smithsonian Ctr Astrophys, Cambridge, MA 02138 USA. RP Schaffer, KK (reprint author), Univ Chicago, Kavli Inst Cosmol Phys, 5640 S Ellis Ave, Chicago, IL 60637 USA. EM kschaf2@saic.edu RI Williamson, Ross/H-1734-2015; Holzapfel, William/I-4836-2015; OI Williamson, Ross/0000-0002-6945-2975; Aird, Kenneth/0000-0003-1441-9518; Reichardt, Christian/0000-0003-2226-9169; Stark, Antony/0000-0002-2718-9996 FU National Science Foundation [ANT-0638937, ANT-0130612, AST-1009012, AST-1009649, MRI-0723073]; NSF Physics Frontier Center [PHY-0114422]; Kavli Foundation; Gordon and Betty Moore Foundation; National Sciences and Engineering Research Council of Canada; Canada Research Chairs program; Canadian Institute for Advanced Research; KICP; Alfred P. Sloan Research Fellowships; NASA [HF-51275.01]; DFG [TR33]; NASA Office of Space Science FX The South Pole Telescope is supported by the National Science Foundation through grants ANT-0638937 and ANT-0130612. Partial support is also provided by the NSF Physics Frontier Center grant PHY-0114422 to the Kavli Institute of Cosmological Physics at the University of Chicago, the Kavli Foundation, and the Gordon and Betty Moore Foundation. The McGill group acknowledges funding from the National Sciences and Engineering Research Council of Canada, Canada Research Chairs program, and the Canadian Institute for Advanced Research. Partial support at Harvard is provided by NSF grants AST-1009012, AST-1009649, and MRI-0723073. B. A. B. is supported by a KICP Fellowship. M. D. and N.H. acknowledge support from Alfred P. Sloan Research Fellowships. R. K. acknowledges support from NASA Hubble Fellowship grant HF-51275.01. J.J.M. acknowledges support from the DFG supported Excellence Cluster Universe and the transregio program TR33: Dark Universe. B. S. acknowledges partial support from the Brinson Foundation. We acknowledge the use of the Legacy Archive for Microwave Background Data Analysis (LAMBDA). Support for LAMBDA is provided by the NASA Office of Space Science. NR 42 TC 38 Z9 39 U1 1 U2 5 PU IOP PUBLISHING LTD PI BRISTOL PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND SN 0004-637X J9 ASTROPHYS J JI Astrophys. J. PD DEC 10 PY 2011 VL 743 IS 1 AR 90 DI 10.1088/0004-637X/743/1/90 PG 18 WC Astronomy & Astrophysics SC Astronomy & Astrophysics GA 853EF UT WOS:000297408300090 ER PT J AU Serenelli, AM Haxton, WC Pena-Garay, C AF Serenelli, Aldo M. Haxton, W. C. Pena-Garay, Carlos TI SOLAR MODELS WITH ACCRETION. I. APPLICATION TO THE SOLAR ABUNDANCE PROBLEM SO ASTROPHYSICAL JOURNAL LA English DT Article DE accretion, accretion disks; neutrinos; Sun: abundances; Sun: helioseismology; Sun: interior ID LOW-ENERGY MEASUREMENT; PROTON-PROTON FUSION; LOW-MASS STARS; CROSS-SECTION; LITHIUM DEPLETION; S-FACTOR; CHEMICAL-COMPOSITION; EPISODIC ACCRETION; PLANET FORMATION; NEUTRINO FLUXES AB We generate new standard solar models using newly analyzed nuclear fusion cross sections and present results for helioseismic quantities and solar neutrino fluxes. The status of the solar abundance problem is discussed. We investigate whether nonstandard solar models with accretion from the protoplanetary disk might alleviate this problem. We examine a broad range of models, analyzing metal-enriched and metal-depleted accretion and three scenarios for the timing of accretion. Only partial solutions are found. Formetal-rich accreted material (Z(ac) greater than or similar to 0.018) there exist combinations of accreted mass and metallicity that bring the depth of the convective zone into agreement with the helioseismic value. For the surface helium abundance, the helioseismic value is reproduced if metal-poor or metal-free accretion is assumed (Z(ac) less than or similar to 0.09). In both cases a few percent of the solar mass must be accreted. Precise values depend on when accretion takes place. We do not find a simultaneous solution to both problems but speculate that changing the hydrogen-to-helium mass ratio in the accreted material may lead to more satisfactory solutions. We also show that, with current data, solar neutrinos are already a very competitive source of information about the solar core and can help constraining possible accretion histories. Even without helioseismic constraints, solar neutrinos rule out the possibility that more than 0.02 M-circle dot from the protoplanetary disk were accreted after the Sun settled on the main sequence. Finally, we discuss how measurements of neutrinos from the CN cycle could shed light on the interaction between the early Sun and its protoplanetary disk. C1 [Serenelli, Aldo M.] Fac Ciencias, CSIC IEEC, Inst Ciencias Espacio, Bellaterra 08193, Spain. [Serenelli, Aldo M.] Max Planck Inst Astrophys, D-85471 Garching, Germany. [Haxton, W. C.] Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA. [Haxton, W. C.] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Nucl Sci, Berkeley, CA 94720 USA. [Pena-Garay, Carlos] CSIC UVEG, Inst Fis Corpuscular, E-46071 Valencia, Spain. RP Serenelli, AM (reprint author), Fac Ciencias, CSIC IEEC, Inst Ciencias Espacio, Campus UAB, Bellaterra 08193, Spain. OI Serenelli, Aldo/0000-0001-6359-2769 FU European Union [PIRG-GA-2009-247732]; MICINN [AYA08-1839/ESP, EUI2009-04170]; Generalitat de Catalunya; EU; U.S. Department of Energy at Berkeley [DE-SC00046548]; [FPA-2007-60323]; [PROMETEO/2009/116] FX We thank the referee for useful comments and suggestions that have allowed us to improve the present work and Maria Bergemann for useful discussions and her careful reading of the manuscript. Aldo Serenelli is partially supported by the European Union International Reintegration Grant PIRG-GA-2009-247732, the MICINN grant AYA08-1839/ESP, by the ESF EUROCORES Program EuroGENESIS (MICINN grant EUI2009-04170), by SGR grants of the Generalitat de Catalunya, and by the EU-FEDER funds. W. C. Haxton is supported in part by the U.S. Department of Energy, including under DE-SC00046548 at Berkeley. C. P. G. is supported by the grants FPA-2007-60323 and PROMETEO/2009/116. NR 104 TC 102 Z9 102 U1 0 U2 10 PU IOP PUBLISHING LTD PI BRISTOL PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND SN 0004-637X J9 ASTROPHYS J JI Astrophys. J. PD DEC 10 PY 2011 VL 743 IS 1 AR 24 DI 10.1088/0004-637X/743/1/24 PG 20 WC Astronomy & Astrophysics SC Astronomy & Astrophysics GA 853EF UT WOS:000297408300024 ER PT J AU Thomas, RC Aldering, G Antilogus, P Aragon, C Bailey, S Baltay, C Bongard, S Buton, C Canto, A Childress, M Chotard, N Copin, Y Fakhouri, HK Gangler, E Hsiao, EY Kerschhaggl, M Kowalski, M Loken, S Nugent, P Paech, K Pain, R Pecontal, E Pereira, R Perlmutter, S Rabinowitz, D Rigault, M Rubin, D Runge, K Scalzo, R Smadja, G Tao, C Weaver, BA Wu, C Brown, PJ Milne, PA AF Thomas, R. C. Aldering, G. Antilogus, P. Aragon, C. Bailey, S. Baltay, C. Bongard, S. Buton, C. Canto, A. Childress, M. Chotard, N. Copin, Y. Fakhouri, H. K. Gangler, E. Hsiao, E. Y. Kerschhaggl, M. Kowalski, M. Loken, S. Nugent, P. Paech, K. Pain, R. Pecontal, E. Pereira, R. Perlmutter, S. Rabinowitz, D. Rigault, M. Rubin, D. Runge, K. Scalzo, R. Smadja, G. Tao, C. Weaver, B. A. Wu, C. Brown, P. J. Milne, P. A. CA Nearby Supernova Factory TI TYPE Ia SUPERNOVA CARBON FOOTPRINTS SO ASTROPHYSICAL JOURNAL LA English DT Article DE supernovae: general; supernovae: individual (SN 2005cf; SN 2005di; SN 2005el; SN 2005ki, SNF20080514-002) ID INTEGRAL-FIELD SPECTROGRAPH; LIGHT CURVES; DARK ENERGY; EXPLOSION MODELS; FACTORY OBSERVATIONS; INFRARED-SPECTRA; OPTICAL-SPECTRA; LOW-LUMINOSITY; LEGACY SURVEY; DATA RELEASE AB We present convincing evidence of unburned carbon at photospheric velocities in new observations of five Type Ia supernovae (SNe Ia) obtained by the Nearby Supernova Factory. These SNe are identified by examining 346 spectra from 124 SNe obtained before +2.5 days relative to maximum. Detections are based on the presence of relatively strong C II lambda 6580 absorption "notches" in multiple spectra of each SN, aided by automated fitting with the SYNAPPS code. Four of the five SNe in question are otherwise spectroscopically unremarkable, with ions and ejection velocities typical of SNe Ia, but spectra of the fifth exhibit high-velocity (v > 20,000 km s(-1)) Si II and Ca II features. On the other hand, the light curve properties are preferentially grouped, strongly suggesting a connection between carbon-positivity and broadband light curve/color behavior: three of the five have relatively narrow light curves but also blue colors and a fourth may be a dust-reddened member of this family. Accounting for signal to noise and phase, we estimate that22(-6)(+10)% of SNe Ia exhibit spectroscopic CII signatures as late as -5 days with respect to maximum. We place these new objects in the context of previously recognized carbon-positive SNe Ia and consider reasonable scenarios seeking to explain a physical connection between light curve properties and the presence of photospheric carbon. We also examine the detailed evolution of the detected carbon signatures and the surrounding wavelength regions to shed light on the distribution of carbon in the ejecta. Our ability to reconstruct the C II lambda 6580 feature in detail under the assumption of purely spherical symmetry casts doubt on a "carbon blobs" hypothesis, but does not rule out all asymmetric models. A low volume filling factor for carbon, combined with line-of-sight effects, seems unlikely to explain the scarcity of detected carbon in SNe Ia by itself. C1 [Thomas, R. C.; Nugent, P.] Lawrence Berkeley Natl Lab, Computat Cosmol Ctr, Computat Res Div, Berkeley, CA 94611 USA. [Aldering, G.; Aragon, C.; Bailey, S.; Childress, M.; Fakhouri, H. K.; Hsiao, E. Y.; Loken, S.; Perlmutter, S.; Rubin, D.; Runge, K.] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Phys, Berkeley, CA 94720 USA. [Antilogus, P.; Bongard, S.; Canto, A.; Pain, R.] Univ Paris 06, Univ Paris 07, Lab Phys Nucl & Hautes Energies, CNRS IN2P3, F-75252 Paris 05, France. [Baltay, C.; Rabinowitz, D.] Yale Univ, Dept Phys, New Haven, CT 06250 USA. [Buton, C.; Kerschhaggl, M.; Kowalski, M.; Paech, K.] Univ Bonn, Inst Phys, D-53115 Bonn, Germany. [Childress, M.; Fakhouri, H. K.; Perlmutter, S.; Rubin, D.] Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA. [Chotard, N.; Copin, Y.; Gangler, E.; Pereira, R.; Rigault, M.; Smadja, G.] Univ Lyon, F-69622 Lyon, France. [Pecontal, E.] Univ Lyon 1, F-69365 Lyon, France. [Scalzo, R.] CNRS, IN2P3, Inst Phys Nucl Lyon, Lyon, France. [Tao, C.] Univ Lyon 1, Ctr Rech Astron Lyon, F-69561 St Genis Laval, France. [Tao, C.] Australian Natl Univ, Res Sch Astron & Astrophys, Mt Stromlo Observ, Weston, ACT 2611, Australia. [Weaver, B. A.] Ctr Phys Particules Marseille, F-13288 Marseille 09, France. [Wu, C.] Tsinghua Univ, Tsinghua Ctr Astrophys, Beijing 100084, Peoples R China. [Brown, P. J.] NYU, Ctr Cosmol & Particle Phys, New York, NY 10003 USA. [Milne, P. A.] Chinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China. Univ Utah, Dept Phys & Astron, Salt Lake City, UT 84112 USA. Univ Arizona, Steward Observ, Tucson, AZ 85719 USA. RP Thomas, RC (reprint author), Lawrence Berkeley Natl Lab, Computat Cosmol Ctr, Computat Res Div, 1 Cyclotron Rd,MS 50B-4206, Berkeley, CA 94611 USA. RI Kowalski, Marek/G-5546-2012; Copin, Yannick/B-4928-2015; Perlmutter, Saul/I-3505-2015; OI Copin, Yannick/0000-0002-5317-7518; Perlmutter, Saul/0000-0002-4436-4661; Scalzo, Richard/0000-0003-3740-1214 FU Office of Science, Office of High Energy Physics, of the U.S. Department of Energy [DE-AC02-05CH11231]; U.S. Department of Energy Scientific Discovery [DE-FG02-06ER06-04]; Gordon & Betty Moore Foundation; CNRS/INSU; PNC; Germany by the DFG [TRR33]; France-Berkeley Fund; NERSC; Office of Science, Office of Advanced Scientific Computing Research, of the U.S. Department of Energy [DE-AC020-5CH11231]; National Science Foundation [ANI-0087344, AST 09-07903]; University of California, San Diego; NASA [NNX06AH85G]; [CNRS/IN2P3] FX We thank the anonymous referee for carefully reading our manuscript and for providing a thorough report that improved our paper's clarity. We are grateful for assistance from the technical/scientific staffs of the Palomar Observatory, the High Performance Wireless Radio Network (HPWREN), the National Energy Research Scientific Computing Center (NERSC), and the University of Hawaii 2.2 m telescope. We also recognize and acknowledge the significant cultural role and reverence that the summit of Mauna Kea has always had within the indigenous Hawaiian community. We are most fortunate to have the opportunity to conduct observations from this mountain. This work was supported by the Director, Office of Science, Office of High Energy Physics, of the U.S. Department of Energy under contract no. DE-AC02-05CH11231; the U.S. Department of Energy Scientific Discovery through Advanced Computing (SciDAC) program under contract no. DE-FG02-06ER06-04; by a grant from the Gordon & Betty Moore Foundation; in France by support from CNRS/IN2P3, CNRS/INSU, and PNC; and in Germany by the DFG through TRR33 "The Dark Universe." Funding was also provided by a Henri Chretien International Research Grant administrated by the American Astronomical Society; the France-Berkeley Fund; and by an Explora'Doc Grant by the Region Rhone Alpes. Much of this research was conducted with resources and support from NERSC, which is supported by the Director, Office of Science, Office of Advanced Scientific Computing Research, of the U.S. Department of Energy under contract no. DE-AC020-5CH11231. HPWREN is funded by National Science Foundation Grant Number ANI-0087344 and the University of California, San Diego. We appreciated constructive discussions with D. Kasen, J. Parrent, D. Poznanski, R. Foley, and S. Blondin. We thank V. Stanishev for sharing a new reduction of a spectrum of SN 2008Q with us in advance of publication. We thank G. H. Marion, R. P. Kirshner, and P. Challis (Harvard-Smithsonian Center for Astrophysics) for sharing unpublished spectra of SN 2008hv. The CfA Supernova Program is supported by NSF grant AST 09-07903. P. A. M. acknowledges support from NASA Astrophysics Data and Analysis Program grant NNX06AH85G. R. C. T. thanks fellow participants at the Aspen Center for Physics Summer 2010 workshop "Taking Supernova Cosmology into the Next Decade," for their input. NR 122 TC 45 Z9 45 U1 0 U2 7 PU IOP PUBLISHING LTD PI BRISTOL PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND SN 0004-637X J9 ASTROPHYS J JI Astrophys. J. PD DEC 10 PY 2011 VL 743 IS 1 AR 27 DI 10.1088/0004-637X/743/1/27 PG 16 WC Astronomy & Astrophysics SC Astronomy & Astrophysics GA 853EF UT WOS:000297408300027 ER PT J AU Wicks, C Thelen, W Weaver, C Gomberg, J Rohay, A Bodin, P AF Wicks, Charles Thelen, Weston Weaver, Craig Gomberg, Joan Rohay, Alan Bodin, Paul TI InSAR observations of aseismic slip associated with an earthquake swarm in the Columbia River flood basalts SO JOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH LA English DT Article ID 7.1 HECTOR MINE; SLOW EARTHQUAKES; FAULT; DEFORMATION; SEISMICITY; CALIFORNIA; WASHINGTON; MIGRATION; STRESS AB In 2009 a swarm of small shallow earthquakes occurred within the basalt flows of the Columbia River Basalt Group (CRBG). The swarm occurred within a dense seismic network in the U. S. Department of Energy's Hanford Site. Data from the seismic network along with interferometric synthetic aperture radar (InSAR) data from the European Space Agency's (ESA) ENVISAT satellite provide insight into the nature of the swarm. By modeling the InSAR deformation data we constructed a model that consists of a shallow thrust fault and a near horizontal fault. We suggest that the near horizontal lying fault is a bedding-plane fault located between basalt flows. The geodetic moment of the modeled fault system is about eight times the cumulative seismic moment of the swarm. Precise location estimates of the swarm earthquakes indicate that the area of highest slip on the thrust fault, similar to 70 mm of slip less than similar to 0.5 km depth, was not located within the swarm cluster. Most of the slip on the faults appears to have progressed aseismically and we suggest that interbed sediments play a central role in the slip process. C1 [Wicks, Charles] US Geol Survey, Menlo Pk, CA 94025 USA. [Thelen, Weston; Bodin, Paul] Univ Washington, Pacific NW Seism Network, Seattle, WA 98195 USA. [Weaver, Craig; Gomberg, Joan] Univ Washington, Dept Earth & Space Sci, US Geol Survey, Seattle, WA 98195 USA. [Rohay, Alan] Pacific NW Natl Lab, Environm Characterizat & Risk Assessment Grp, Richland, WA 99352 USA. RP Wicks, C (reprint author), US Geol Survey, 345 Middlefield Rd,MS 977, Menlo Pk, CA 94025 USA. EM cwicks@usgs.gov FU NASA; NSF; USGS FX This manuscript greatly benefited from reviews by Fred Pollitz, Jim Savage, Mitch Pitt, Steve Reidel, and an anonymous reviewer. We thank Steve Reidel for bringing the core disking and mapped MIB detachments to our attention. ENVISAT data were provided through ESA CAT-1 proposal 2765 and the WiNSAR Consortium (sponsored by NASA, NSF, and USGS). NR 38 TC 12 Z9 12 U1 0 U2 8 PU AMER GEOPHYSICAL UNION PI WASHINGTON PA 2000 FLORIDA AVE NW, WASHINGTON, DC 20009 USA SN 2169-9313 EI 2169-9356 J9 J GEOPHYS RES-SOL EA JI J. Geophys. Res.-Solid Earth PD DEC 10 PY 2011 VL 116 AR B12304 DI 10.1029/2011JB008433 PG 8 WC Geochemistry & Geophysics SC Geochemistry & Geophysics GA 860ZJ UT WOS:000297987500004 ER PT J AU Zhai, Y Cummer, SA Green, JL Reinisch, BW Kaiser, ML Reiner, MJ Goetz, K AF Zhai, Y. Cummer, S. A. Green, J. L. Reinisch, B. W. Kaiser, M. L. Reiner, M. J. Goetz, K. TI Magnetospheric radio tomographic imaging with IMAGE and Wind SO JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS LA English DT Article ID IONOSPHERIC TOMOGRAPHY; ELECTRON-DENSITY; MAGNETIC-FIELD; PLASMA IMAGER; SPACECRAFT AB Recent theoretical studies have shown the feasibility and potential scientific value of radio tomographic imaging of Earth's magnetosphere by measuring Faraday rotation and phase difference (or group delay) of coherent radio wave signals. On 15 August 2000, a 6 W linearly polarized 828 kHz signal transmitted by the Radio Plasma Imager (RPI) on the IMAGE spacecraft was clearly detected by WAVES X and Z antennas on Wind spacecraft. Following our previous analysis of the path-integrated product change of the magnetic field and plasma density based on the spin rate measurement, we report here Faraday rotation measured from absolute antenna orientation using the phase difference between the spin-phase modeled RPI signal and the WAVES X-and Z-antenna received RPI signals. The new approach gives Faraday rotation without the mod (pi) ambiguity. The average electron density extracted along a typical signal propagation path over a 1 hour measurement window agrees well with empirical models of the northern polar region derived from years of measurements. Finally, we demonstrate preliminary 2-D radio tomographic imaging of magnetospheric plasma density using the Faraday rotation measurement. C1 [Zhai, Y.] Princeton Univ, Princeton Plasma Phys Lab, Princeton, NJ 08543 USA. [Reinisch, B. W.] Univ Massachusetts, Ctr Atmospher Res, Lowell, MA 01854 USA. [Kaiser, M. L.] NASA, Goddard Space Flight Ctr, Space Weather Lab, Greenbelt, MD 20771 USA. [Cummer, S. A.] Duke Univ, Dept Elect & Comp Engn, Durham, NC 27708 USA. [Goetz, K.] Univ Minnesota, Sch Phys & Astron, Minneapolis, MN 55455 USA. [Green, J. L.] NASA Headquarters, Planetary Sci Div, Washington, DC 20546 USA. [Reiner, M. J.] Catholic Univ Amer, Inst Astrophys & Computat Sci, Washington, DC 20064 USA. RP Zhai, Y (reprint author), Princeton Univ, Princeton Plasma Phys Lab, POB 451, Princeton, NJ 08543 USA. EM yzhai@pppl.gov; cummer@ee.duke.edu RI Cummer, Steven/A-6118-2008 OI Cummer, Steven/0000-0002-0002-0613 FU NASA Geospace Sciences [NNX07AGU14G] FX This research was supported by NASA Geospace Sciences grant NNX07AGU14G. NR 23 TC 0 Z9 0 U1 0 U2 0 PU AMER GEOPHYSICAL UNION PI WASHINGTON PA 2000 FLORIDA AVE NW, WASHINGTON, DC 20009 USA SN 0148-0227 J9 J GEOPHYS RES-SPACE JI J. Geophys. Res-Space Phys. PD DEC 10 PY 2011 VL 116 AR A12208 DI 10.1029/2011JA016743 PG 8 WC Astronomy & Astrophysics SC Astronomy & Astrophysics GA 860WQ UT WOS:000297979400002 ER PT J AU Barth, AJ Pancoast, A Thorman, SJ Bennert, VN Sand, DJ Li, WD Canalizo, G Filippenko, AV Gates, EL Greene, JE Malkan, MA Stern, D Treu, T Woo, JH Assef, RJ Bae, HJ Brewer, BJ Buehler, T Cenko, SB Clubb, KI Cooper, MC Diamond-Stanic, AM Hiner, KD Honig, SF Joner, MD Kandrashoff, MT Laney, CD Lazarova, MS Nierenberg, AM Park, D Silverman, JM Son, D Sonnenfeld, A Tollerud, EJ Walsh, JL Walters, R da Silva, RL Fumagalli, M Gregg, MD Harris, CE Hsiao, EY Lee, J Lopez, L Rex, J Suzuki, N Trump, JR Tytler, D Worseck, G Yesuf, HM AF Barth, Aaron J. Pancoast, Anna Thorman, Shawn J. Bennert, Vardha N. Sand, David J. Li, Weidong Canalizo, Gabriela Filippenko, Alexei V. Gates, Elinor L. Greene, Jenny E. Malkan, Matthew A. Stern, Daniel Treu, Tommaso Woo, Jong-Hak Assef, Roberto J. Bae, Hyun-Jin Brewer, Brendon J. Buehler, Tabitha Cenko, S. Bradley Clubb, Kelsey I. Cooper, Michael C. Diamond-Stanic, Aleksandar M. Hiner, Kyle D. Hoenig, Sebastian F. Joner, Michael D. Kandrashoff, Michael T. Laney, C. David Lazarova, Mariana S. Nierenberg, A. M. Park, Dawoo Silverman, Jeffrey M. Son, Donghoon Sonnenfeld, Alessandro Tollerud, Erik J. Walsh, Jonelle L. Walters, Richard da Silva, Robert L. Fumagalli, Michele Gregg, Michael D. Harris, Chelsea E. Hsiao, Eric Y. Lee, Jeffrey Lopez, Liliana Rex, Jacob Suzuki, Nao Trump, Jonathan R. Tytler, David Worseck, Gabor Yesuf, Hassen M. TI THE LICK AGN MONITORING PROJECT 2011: REVERBERATION MAPPING OF MARKARIAN 50 SO ASTROPHYSICAL JOURNAL LETTERS LA English DT Article DE galaxies: active; galaxies: individual (Mrk 50); galaxies: nuclei ID ACTIVE GALACTIC NUCLEI; BLACK-HOLE MASSES; BROAD-LINE REGION; M-BH-SIGMA(ASTERISK) RELATION; VELOCITY DISPERSION; CONTINUUM EMISSION; SEYFERT-1 GALAXIES; RADIATION PRESSURE; ARP 151; VARIABILITY AB The Lick AGN Monitoring Project 2011 observing campaign was carried out over the course of 11 weeks in spring 2011. Here we present the first results from this program, a measurement of the broad-line reverberation lag in the Seyfert 1 galaxy Mrk 50. Combining our data with supplemental observations obtained prior to the start of the main observing campaign, our data set covers a total duration of 4.5 months. During this time, Mrk 50 was highly variable, exhibiting a maximum variability amplitude of a factor of similar to 4 in the U-band continuum and a factor of similar to 2 in the H beta line. Using standard cross-correlation techniques, we find that H beta and H gamma lag the V-band continuum by tau(cen) = 10.64(-0.93)(+0.82) and 8.43(-1.28)(+1.30) days, respectively, while the lag of He II lambda 4686 is unresolved. The H beta line exhibits a symmetric velocity-resolved reverberation signature with shorter lags in the high-velocity wings than in the line core, consistent with an origin in a broad-line region (BLR) dominated by orbital motion rather than infall or outflow. Assuming a virial normalization factor of f = 5.25, the virial estimate of the black hole mass is (3.2 +/- 0.5) x 10(7) M-circle dot. These observations demonstrate that Mrk 50 is among the most promising nearby active galaxies for detailed investigations of BLR structure and dynamics. C1 [Barth, Aaron J.; Thorman, Shawn J.; Cooper, Michael C.; Tollerud, Erik J.; Walsh, Jonelle L.] Univ Calif Irvine, Dept Phys & Astron, Irvine, CA 92697 USA. [Pancoast, Anna; Bennert, Vardha N.; Sand, David J.; Treu, Tommaso; Brewer, Brendon J.; Hoenig, Sebastian F.; Nierenberg, A. M.; Sonnenfeld, Alessandro; Harris, Chelsea E.] Univ Calif Santa Barbara, Dept Phys, Santa Barbara, CA 93106 USA. [Bennert, Vardha N.] Calif Polytech State Univ San Luis Obispo, Dept Phys, San Luis Obispo, CA 93407 USA. [Sand, David J.] Global Telescope Network, Las Cumbres Observ, Santa Barbara, CA 93117 USA. [Li, Weidong; Filippenko, Alexei V.; Cenko, S. Bradley; Clubb, Kelsey I.; Kandrashoff, Michael T.; Silverman, Jeffrey M.; Rex, Jacob] Univ Calif Berkeley, Dept Astron, Berkeley, CA 94720 USA. [Canalizo, Gabriela; Hiner, Kyle D.; Lazarova, Mariana S.] Univ Calif Riverside, Dept Phys & Astron, Riverside, CA 92521 USA. [Gates, Elinor L.] Lick Observ, Mt Hamilton, CA 95140 USA. [Greene, Jenny E.] Princeton Univ, Dept Astrophys Sci, Princeton, NJ 08544 USA. [Malkan, Matthew A.] Univ Calif Los Angeles, Dept Phys & Astron, Los Angeles, CA 90095 USA. [Stern, Daniel; Assef, Roberto J.] CALTECH, Jet Prop Lab, Pasadena, CA 91109 USA. [Woo, Jong-Hak; Park, Dawoo; Son, Donghoon] Seoul Natl Univ, Astron Program, Dept Phys & Astron, Seoul 151742, South Korea. [Bae, Hyun-Jin] Yonsei Univ, Dept Astron, Seoul 120749, South Korea. [Bae, Hyun-Jin] Yonsei Univ, Ctr Galaxy Evolut Res, Seoul 120749, South Korea. [Buehler, Tabitha; Joner, Michael D.; Laney, C. David] Brigham Young Univ, Dept Phys & Astron, Provo, UT 84602 USA. [Diamond-Stanic, Aleksandar M.; Lee, Jeffrey; Lopez, Liliana; Tytler, David] Univ Calif San Diego, Ctr Astrophys & Space Sci, San Diego, CA 92093 USA. [Silverman, Jeffrey M.; Hsiao, Eric Y.; Suzuki, Nao] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Phys, Berkeley, CA 94720 USA. [Walsh, Jonelle L.] Univ Texas Austin, Dept Astron, Austin, TX 78712 USA. [Walters, Richard] CALTECH, Caltech Opt Observ, Pasadena, CA 91125 USA. [da Silva, Robert L.; Fumagalli, Michele; Trump, Jonathan R.; Worseck, Gabor; Yesuf, Hassen M.] Univ Calif Santa Cruz, Dept Astron & Astrophys, UCO Lick Observ, Santa Cruz, CA 95064 USA. [Gregg, Michael D.] Univ Calif Davis, Dept Phys, Davis, CA 95616 USA. [Gregg, Michael D.] Lawrence Livermore Natl Lab, IGPP, Livermore, CA 94550 USA. RP Barth, AJ (reprint author), Univ Calif Irvine, Dept Phys & Astron, 4129 Frederick Reines Hall, Irvine, CA 92697 USA. EM barth@uci.edu RI Woo, Jong-Hak/A-2790-2014; Bae, Hyun-Jin/J-8037-2015; Fumagalli, Michele/K-9510-2015; OI Bae, Hyun-Jin/0000-0001-5134-5517; Barth, Aaron/0000-0002-3026-0562; Fumagalli, Michele/0000-0001-6676-3842; Tollerud, Erik/0000-0002-9599-310X; Hoenig, Sebastian/0000-0002-6353-1111; Worseck, Gabor/0000-0003-0960-3580 FU NSF [AST-1107812, 1107865, 1108665, 1108835, AST-0618209]; Packard Research Fellowship FX We are extremely grateful to the Lick Observatory staff for their outstanding support during our observing run. The Lick AGN Monitoring Project 2011 is supported by NSF grants AST-1107812, 1107865, 1108665, and 1108835. T.T. acknowledges a Packard Research Fellowship. The West Mountain Observatory receives support from NSF grant AST-0618209. We thank Brad Peterson for a helpful referee report. NR 44 TC 35 Z9 35 U1 1 U2 17 PU IOP PUBLISHING LTD PI BRISTOL PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND SN 2041-8205 J9 ASTROPHYS J LETT JI Astrophys. J. Lett. PD DEC 10 PY 2011 VL 743 IS 1 AR L4 DI 10.1088/2041-8205/743/1/L4 PG 7 WC Astronomy & Astrophysics SC Astronomy & Astrophysics GA 852QN UT WOS:000297372600004 ER PT J AU Hinton, JA Funk, S Parsons, RD Ohm, S AF Hinton, J. A. Funk, S. Parsons, R. D. Ohm, S. TI ESCAPE FROM VELA X SO ASTROPHYSICAL JOURNAL LETTERS LA English DT Article DE cosmic rays; gamma rays: general; gamma rays: ISM; pulsars: individual (PSR B0833-45) ID COSMIC-RAY ELECTRONS; PULSAR WIND NEBULA; SUPERNOVA REMNANT; HESS; POSITRONS; EVOLUTION; DISCOVERY; EMISSION; SPECTRUM; RADIO AB While the Vela pulsar and its associated nebula are often considered as the archetype of a system powered by a similar to 10(4) year old isolated neutron star, many features of the spectral energy distribution of this pulsar wind nebula (PWN) are both puzzling and unusual. Here we develop a model that for the first time relates the main structures in the system, the extended radio nebula (ERN) and the X-ray cocoon through continuous injection of particles with a fixed spectral shape. We argue that diffusive escape of particles from the ERN can explain the steep Fermi-LAT spectrum. In this scenario Vela X should produce a distinct feature in the locally measured cosmic ray (CR) electron spectrum at very high energies. This prediction can be tested in the future using the Cherenkov Telescope Array. If particles are indeed released early in the evolution of PWNe and can avoid severe adiabatic losses, PWN provides a natural explanation for the rising positron fraction in the local CR spectrum. C1 [Hinton, J. A.; Ohm, S.] Univ Leicester, Dept Phys & Astron, Leicester LE1 7RH, Leics, England. [Funk, S.] SLAC, Kavli Inst Particle Astrophys & Cosmol, Menlo Pk, CA 94025 USA. [Parsons, R. D.; Ohm, S.] Univ Leeds, Sch Phys & Astron, Leeds LS2 9JT, W Yorkshire, England. RP Hinton, JA (reprint author), Univ Leicester, Dept Phys & Astron, Leicester LE1 7RH, Leics, England. EM funk@slac.stanford.edu RI Funk, Stefan/B-7629-2015 OI Funk, Stefan/0000-0002-2012-0080 FU Humboldt foundation FX We thank A. Hales for providing the 8.4 GHz reprocessed image (originally provided by D. Bock). We thank Felix Aharonian and an anonymous referee for helpful comments. S.O. acknowledges support by a Humboldt foundation Feodor-Lynen fellowship. NR 41 TC 16 Z9 16 U1 0 U2 10 PU IOP PUBLISHING LTD PI BRISTOL PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND SN 2041-8205 J9 ASTROPHYS J LETT JI Astrophys. J. Lett. PD DEC 10 PY 2011 VL 743 IS 1 AR L7 DI 10.1088/2041-8205/743/1/L7 PG 5 WC Astronomy & Astrophysics SC Astronomy & Astrophysics GA 852QN UT WOS:000297372600007 ER PT J AU Rodriguez-Nieva, JF Bringa, EM Cassidy, TA Johnson, RE Caro, A Fama, M Loeffler, MJ Baragiola, RA Farkas, D AF Rodriguez-Nieva, J. F. Bringa, E. M. Cassidy, T. A. Johnson, R. E. Caro, A. Fama, M. Loeffler, M. J. Baragiola, R. A. Farkas, D. TI SPUTTERING FROM A POROUS MATERIAL BY PENETRATING IONS SO ASTROPHYSICAL JOURNAL LETTERS LA English DT Article DE atomic processes; methods: numerical; molecular processes; planets and satellites: surfaces; radiation mechanisms: general ID MOLECULAR-DYNAMICS; DUST GRAINS; COSMIC-RAYS; REGOLITH; MODEL; I. AB Porous materials are ubiquitous in the universe and weathering of porous surfaces plays an important role in the evolution of planetary and interstellar materials. Sputtering of porous solids in particular can influence atmosphere formation, surface reflectivity, and the production of the ambient gas around materials in space. Several previous studies and models have shown a large reduction in the sputtering of a porous solid compared to the sputtering of the non-porous solid. Using molecular dynamics simulations we study the sputtering of a nanoporous solid with 55% of the solid density. We calculate the electronic sputtering induced by a fast, penetrating ion, using a thermal spike representation of the deposited energy. We find that sputtering for this porous solid is, surprisingly, the same as that for a full-density solid, even though the sticking coefficient is high. C1 [Rodriguez-Nieva, J. F.] Univ Nacl Cuyo, Inst Balseiro, RA-8400 San Carlos De Bariloche, Rio Negro, Argentina. [Bringa, E. M.] Univ Nacl Cuyo, CONICET, RA-5500 Mendoza, Argentina. [Bringa, E. M.] Univ Nacl Cuyo, Inst Ciencias Basicas, RA-5500 Mendoza, Argentina. [Cassidy, T. A.] CalTech JPL, Pasadena, CA 91109 USA. [Johnson, R. E.; Fama, M.; Baragiola, R. A.] Univ Virginia, Lab Atom & Surface Phys, Charlottesville, VA 22903 USA. [Caro, A.] Los Alamos Natl Lab, Los Alamos, NM USA. [Loeffler, M. J.] NASA, Goddard Space Flight Ctr, Astrochem Branch, Greenbelt, MD 20771 USA. [Farkas, D.] Virginia Tech, Dept Mat Sci, Blacksburg, VA 24061 USA. RP Rodriguez-Nieva, JF (reprint author), Univ Nacl Cuyo, Inst Balseiro, RA-8400 San Carlos De Bariloche, Rio Negro, Argentina. RI Loeffler, Mark/C-9477-2012; OI Fama, Marcelo/0000-0003-3476-4669 FU CONICET; Comision Nacional de Energia Atomica (CNEA); NSF; [PICT2009-0092] FX M. B. thanks support from CONICET and grant PICT2009-0092. J.F.R.N. thanks support from the Comision Nacional de Energia Atomica (CNEA) for a scholarship. R.A.B. thanks NSF Astronomy for financial support. NR 26 TC 9 Z9 9 U1 3 U2 21 PU IOP PUBLISHING LTD PI BRISTOL PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND SN 2041-8205 J9 ASTROPHYS J LETT JI Astrophys. J. Lett. PD DEC 10 PY 2011 VL 743 IS 1 AR L5 DI 10.1088/2041-8205/743/1/L5 PG 5 WC Astronomy & Astrophysics SC Astronomy & Astrophysics GA 852QN UT WOS:000297372600005 ER PT J AU Wilke, A Wilkening, J Glass, EM Desai, NL Meyer, F AF Wilke, Andreas Wilkening, Jared Glass, Elizabeth M. Desai, Narayan L. Meyer, Folker TI An experience report: porting the MG-RAST rapid metagenomics analysis pipeline to the cloud SO CONCURRENCY AND COMPUTATION-PRACTICE & EXPERIENCE LA English DT Article; Proceedings Paper CT Workshop on Emerging Computational Methods for the Life Sciences/ACM HPDC Conference CY JUN 22, 2010 CL Chicago, IL SP Assoc Comp Machinery (ACM) DE cloud computing; bioinformatics; metagenomics; genomics ID ALIGNMENT; GENOME; ULTRAFAST; TOOL AB Existing applications in computational biology typically favor a local cluster based integrated computational platform. We present a lessons learned type report for scaling up an existing metagenomics application that outgrew the available local cluster hardware. In our example, removing a number of assumptions linked to tight integration allowed to expand beyond one administrative domain, increase the number and type of machines available for the application, and also improved scaling properties of the application. The assumptions made in designing the computational client make it well suitable for deployment as a virtual machine inside a cloud. This paper discusses the decision process and describes the suitability of deploying various bioinformatics computations to distributed heterogeneous machines. Copyright (C) 2011 John Wiley & Sons, Ltd. C1 [Wilke, Andreas; Wilkening, Jared; Glass, Elizabeth M.; Desai, Narayan L.; Meyer, Folker] Argonne Natl Lab, Div Math & Comp Sci, Argonne, IL 60439 USA. RP Meyer, F (reprint author), Argonne Natl Lab, Div Math & Comp Sci, 9700 S Cass Ave, Argonne, IL 60439 USA. EM folker@anl.gov RI zong, fico/H-4677-2011; OI Meyer, Folker/0000-0003-1112-2284 NR 8 TC 5 Z9 5 U1 1 U2 9 PU WILEY-BLACKWELL PI HOBOKEN PA 111 RIVER ST, HOBOKEN 07030-5774, NJ USA SN 1532-0626 EI 1532-0634 J9 CONCURR COMP-PRACT E JI Concurr. Comput.-Pract. Exp. PD DEC 10 PY 2011 VL 23 IS 17 BP 2250 EP 2257 DI 10.1002/cpe.1799 PG 8 WC Computer Science, Software Engineering; Computer Science, Theory & Methods SC Computer Science GA 849SJ UT WOS:000297145100018 ER PT J AU Chen, W Yamamoto, Y Peter, WH Gorti, SB Sabau, AS Clark, MB Nunn, SD Kiggans, JO Blue, CA Williams, JC Fuller, B Akhtar, K AF Chen, W. Yamamoto, Y. Peter, W. H. Gorti, S. B. Sabau, A. S. Clark, M. B. Nunn, S. D. Kiggans, J. O. Blue, C. A. Williams, J. C. Fuller, B. Akhtar, K. TI Cold compaction study of Armstrong Process (R) Ti-6Al-4V powders SO POWDER TECHNOLOGY LA English DT Article DE Titanium alloys; Die-pressing; Powder metallurgy; Armstrong process ID PREDICTION; TITANIUM; EQUATION; SHAPE AB The Armstrong Process (R) developed by Cristal US, Inc./International Titanium Powder, is an innovative, low-cost technology for producing Ti and Ti alloy powders in a one-step, continuous process. In this work, Armstrong Ti-6Al-4V powders were characterized and the cold compaction behavior of the powders were investigated in detail. As-received as well as milled powders were uniaxially die-pressed at designated pressures up to 690 MPa to form disk samples with different aspect ratios. Samples with high aspect ratio exhibited non-uniform density along the pressing axis and the density distribution was consistent with the result predicted by finite element analysis. The model developed from the linear regression analysis on the experimental density data can be used to predict density of compacts with different aspect ratios. In the studied pressure range, an empirical powder compaction equation was applied to linearize the green density - pressure relationship. Cold compaction parameters were obtained for the as-received and milled Armstrong Ti-6Al-4V powders. (C) 2011 Elsevier BM. All rights reserved. C1 [Chen, W.; Yamamoto, Y.; Peter, W. H.; Gorti, S. B.; Sabau, A. S.; Clark, M. B.; Nunn, S. D.; Kiggans, J. O.; Blue, C. A.] Oak Ridge Natl Lab, Div Mat Sci & Technol, Oak Ridge, TN 37831 USA. [Williams, J. C.] Ohio State Univ, Dept Mat Sci & Engn, Columbus, OH 43210 USA. [Fuller, B.; Akhtar, K.] Cristal US Inc Int Titanium Powder, Woodridge, IL 60157 USA. RP Yamamoto, Y (reprint author), Oak Ridge Natl Lab, Div Mat Sci & Technol, Oak Ridge, TN 37831 USA. EM yamamotoy@ornl.gov RI Sabau, Adrian/B-9571-2008; Chen, Wei/C-1110-2011; kiggans, james/E-1588-2017 OI Sabau, Adrian/0000-0003-3088-6474; kiggans, james/0000-0001-5056-665X FU U.S. Department of Energy [DE-AC05-00OR22725]; U.S. Department of Energy, Office of Energy Efficiency and Renewable Energy (EERE) with UT-Battelle, LLC [DE-AC05-00OR22725]; SHaRE User Facility (microscopy) at ORNL FX This manuscript has been authored by UT-Battelle, LLC, under Contract No. DE-AC05-00OR22725 with the U.S. Department of Energy. The United States Government retains and the publisher, by accepting the article for publication, acknowledges that the United States Government retains a non-exclusive, paid-up, irrevocable, world-wide license to publish or reproduce the published form of this manuscript, or allow others to do so, for United States Government purposes.; This research is sponsored by the U.S. Department of Energy, Office of Energy Efficiency and Renewable Energy (EERE) Industrial Technologies Program, under contract DE-AC05-00OR22725 with UT-Battelle, LLC. Additional funding and collaboration with the SHaRE User Facility (microscopy) at ORNL is also acknowledged. NR 26 TC 16 Z9 17 U1 1 U2 20 PU ELSEVIER SCIENCE SA PI LAUSANNE PA PO BOX 564, 1001 LAUSANNE, SWITZERLAND SN 0032-5910 J9 POWDER TECHNOL JI Powder Technol. PD DEC 10 PY 2011 VL 214 IS 2 BP 194 EP 199 DI 10.1016/j.powtec.2011.08.007 PG 6 WC Engineering, Chemical SC Engineering GA 841BF UT WOS:000296486300003 ER PT J AU Sharma, A Jenkins, KR Heroux, A Bowman, GD AF Sharma, Amit Jenkins, Katherine R. Heroux, Annie Bowman, Gregory D. TI Crystal Structure of the Chromodomain Helicase DNA-binding Protein 1 (Chd1) DNA-binding Domain in Complex with DNA SO JOURNAL OF BIOLOGICAL CHEMISTRY LA English DT Article ID CHROMATIN; MECHANISM; CONTAINS; CLEAVAGE; ENZYME; SANT; ISWI AB Chromatin remodelers are ATP-dependent machines that dynamically alter the chromatin packaging of eukaryotic genomes by assembling, sliding, and displacing nucleosomes. The Chd1 chromatin remodeler possesses a C-terminal DNA-binding domain that is required for efficient nucleosome sliding and believed to be essential for sensing the length of DNA flanking the nucleosome core. The structure of the Chd1 DNA-binding domain was recently shown to consist of a SANT and SLIDE domain, analogous to the DNA-binding domain of the ISWI family, yet the details of how Chd1 recognized DNA were not known. Here we present the crystal structure of the Saccharomyces cerevisiae Chd1 DNA-binding domain in complex with a DNA duplex. The bound DNA duplex is straight, consistent with the preference exhibited by the Chd1 DNA-binding domain for extranucleosomal DNA. Comparison of this structure with the recently solved ISW1a DNA-binding domain bound to DNA reveals that DNA lays across each protein at a distinct angle, yet contacts similar surfaces on the SANT and SLIDE domains. In contrast to the minor groove binding seen for Isw1 and predicted for Chd1, the SLIDE domain of the Chd1 DNA-binding domain contacts the DNA major groove. The majority of direct contacts with the phosphate backbone occur only on one DNA strand, suggesting that Chd1 may not strongly discriminate between major and minor grooves. C1 [Sharma, Amit; Jenkins, Katherine R.; Bowman, Gregory D.] Johns Hopkins Univ, Thomas C Jenkins Dept Biophys, Baltimore, MD 21218 USA. [Heroux, Annie] Brookhaven Natl Lab, Dept Biol, Upton, NY 11973 USA. RP Bowman, GD (reprint author), Johns Hopkins Univ, Thomas C Jenkins Dept Biophys, 3400 N Charles St, Baltimore, MD 21218 USA. EM gdbowman@jhu.edu FU National Institutes of Health [R01 GM084192]; National Center for Research Resources (NCRR), National Institutes of Health [P41RR012408]; Office of Biological and Environmental Research; Office of Basic Energy Sciences of the United States Department of Energy FX This work was supported, in whole or in part, by National Institutes of Health Grant R01 GM084192) (to G. D. B.).; We thank T. Owen-Hughes and D. Ryan for providing us with the coordinates for the uncomplexed Chd1 DNA-binding domain prior to publication (2XB0) and Chd1-DNA models. We greatly appreciate G. Hauk for help with data collection and I. Nodelman for critical comments on the manuscript. Support for beamlines X25 and X29 of the National Synchrotron Light Source comes principally from the Offices of Biological and Environmental Research and Basic Energy Sciences of the United States Department of Energy and from the National Center for Research Resources (NCRR), National Institutes of Health (Grant P41RR012408). NR 31 TC 19 Z9 19 U1 1 U2 5 PU AMER SOC BIOCHEMISTRY MOLECULAR BIOLOGY INC PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3996 USA SN 0021-9258 EI 1083-351X J9 J BIOL CHEM JI J. Biol. Chem. PD DEC 9 PY 2011 VL 286 IS 49 BP 42099 EP 42104 DI 10.1074/jbc.C111.294462 PG 6 WC Biochemistry & Molecular Biology SC Biochemistry & Molecular Biology GA 863QI UT WOS:000298180900020 PM 22033927 ER PT J AU Khare, B Fu, ZQ Huang, IH Ton-That, H Narayana, SVL AF Khare, Baldeep Fu, Zheng-Qing Huang, I-Hsiu Ton-That, Hung Narayana, Sthanam V. L. TI The Crystal Structure Analysis of Group B Streptococcus Sortase C1: A Model for the "Lid" Movement upon Substrate Binding SO JOURNAL OF MOLECULAR BIOLOGY LA English DT Article DE pilus-specific sortase; Gram-positive pili biogenesis; cysteine protease; blocked active site; sorting motif ID GRAM-POSITIVE BACTERIA; PILUS-LIKE STRUCTURES; CELL-WALL; CORYNEBACTERIUM-DIPHTHERIAE; STAPHYLOCOCCUS-AUREUS; CONFORMATIONAL CHANGE; VACCINE DEVELOPMENT; BIOFILM DEVELOPMENT; NONPREGNANT ADULTS; ACTINOMYCES-ORIS AB A unique feature of the class-C-type sortases, enzymes essential for Gram-positive pilus biogenesis, is the presence of a flexible "lid" anchored in the active site. However, the mechanistic details of the "lid" displacement, suggested to be a critical prelude for enzyme catalysis, are not yet known. This is partly due to the absence of enzyme-substrate and enzyme-inhibitor complex crystal structures. We have recently described the crystal structures of the Streptococcus agalactiae SAG2603 V/R sortase SrtC1 in two space groups (type II and type III) and that of its "lid" mutant and proposed a role of the "lid" as a protector of the active-site hydrophobic environment. Here, we report the crystal structures of SAG2603 V/R sortase Cl in a different space group (type I) and that of its complex with a small-molecule cysteine protease inhibitor. We observe that the catalytic Cys residue is covalently linked to the small-molecule inhibitor without lid displacement. However, the type I structure provides a view of the sortase SrtC1 lid displacement while having structural elements similar to a substrate sorting motif suitably positioned in the active site. We propose that these major conformational changes seen in the presence of a substrate mimic in the active site may represent universal features of class C sortase substrate recognition and enzyme activation. (C) 2011 Elsevier Ltd. All rights reserved. C1 [Khare, Baldeep; Narayana, Sthanam V. L.] Univ Alabama, Ctr Biophys Sci & Engn, Birmingham, AL 35294 USA. [Fu, Zheng-Qing] Argonne Natl Lab, Adv Photon Source, SE Reg Collaborat Access Team, Argonne, IL 60439 USA. [Huang, I-Hsiu; Ton-That, Hung] Univ Texas Hlth Sci Ctr, Dept Microbiol & Mol Genet, Houston, TX 77030 USA. RP Narayana, SVL (reprint author), Univ Alabama, Ctr Biophys Sci & Engn, Birmingham, AL 35294 USA. EM narayana@uab.edu OI Ton-That, Hung/0000-0003-1611-0469 FU U.S. Public Health Service, National Institute of Allergy and infectious Diseases [AI061381, AI037251] FX We thank the members of our laboratory for critical review of the manuscript and discussion. This work was supported by the U.S. Public Health Service grants AI061381 to H.T.-T. and AI037251 to S.V.L.N. from National Institute of Allergy and infectious Diseases. NR 65 TC 10 Z9 10 U1 0 U2 6 PU ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD PI LONDON PA 24-28 OVAL RD, LONDON NW1 7DX, ENGLAND SN 0022-2836 J9 J MOL BIOL JI J. Mol. Biol. PD DEC 9 PY 2011 VL 414 IS 4 BP 563 EP 577 DI 10.1016/j.jmb.2011.10.017 PG 15 WC Biochemistry & Molecular Biology SC Biochemistry & Molecular Biology GA 867OT UT WOS:000298464400007 PM 22033482 ER PT J AU Brown, G Schulthess, TC Nicholson, DM Eisenbach, M Stocks, GM AF Brown, G. Schulthess, T. C. Nicholson, D. M. Eisenbach, M. Stocks, G. M. TI Perturbation calculation of thermodynamic density of states SO PHYSICAL REVIEW E LA English DT Article AB The density of states g (epsilon) is frequently used to calculate the temperature-dependent properties of a thermodynamic system. Here a derivation is given for calculating the warped density of states g*(epsilon) resulting from the addition of a perturbation. The method is validated for a classical Heisenberg model of bcc Fe and the errors in the free energy are shown to be second order in the perturbation. Taking the perturbation to be the difference between a first-principles quantum-mechanical energy and a corresponding classical energy, this method can significantly reduce the computational effort required to calculate g(epsilon) for quantum systems using the Wang-Landau approach. C1 [Brown, G.; Schulthess, T. C.; Nicholson, D. M.] Oak Ridge Natl Lab, Computat Sci & Math Div, Oak Ridge, TN 37830 USA. [Eisenbach, M.] Oak Ridge Natl Lab, Natl Ctr Computat Sci, Oak Ridge, TN 37830 USA. [Stocks, G. M.] Oak Ridge Natl Lab, Div Mat Sci & Technol, Oak Ridge, TN 37830 USA. RP Brown, G (reprint author), Oak Ridge Natl Lab, Computat Sci & Math Div, Oak Ridge, TN 37830 USA. RI Brown, Gregory/F-7274-2016; Stocks, George Malcollm/Q-1251-2016; OI Brown, Gregory/0000-0002-7524-8962; Stocks, George Malcollm/0000-0002-9013-260X; Eisenbach, Markus/0000-0001-8805-8327 FU Laboratory Directed Research and Development Program (ORNL) [DE-AC05-00OR22725]; Mathematical, Information, and Computational Sciences Division, Office of Advanced Scientific Computing Research [US Department of Energy (DOE); Division of Materials Sciences and Engineering, Office of Basic Energy Sciences (US DOE) FX This work was performed at the Oak Ridge National Laboratory (ORNL), which is managed by UT-Battelle, LLC under Contract No. DE-AC05-00OR22725 and sponsored by the Laboratory Directed Research and Development Program (ORNL); by the Mathematical, Information, and Computational Sciences Division, Office of Advanced Scientific Computing Research [US Department of Energy (DOE); and by the Division of Materials Sciences and Engineering, Office of Basic Energy Sciences (US DOE). NR 5 TC 2 Z9 2 U1 0 U2 6 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1539-3755 J9 PHYS REV E JI Phys. Rev. E PD DEC 9 PY 2011 VL 84 IS 6 AR 061116 DI 10.1103/PhysRevE.84.061116 PN 1 PG 4 WC Physics, Fluids & Plasmas; Physics, Mathematical SC Physics GA 863AB UT WOS:000298134100001 PM 22304049 ER PT J AU Taher, L Collette, NM Murugesh, D Maxwell, E Ovcharenko, I Loots, GG AF Taher, Leila Collette, Nicole M. Murugesh, Deepa Maxwell, Evan Ovcharenko, Ivan Loots, Gabriela G. TI Global Gene Expression Analysis of Murine Limb Development SO PLOS ONE LA English DT Article ID NAIL-PATELLA SYNDROME; VERTEBRATE LIMB; T-BOX; HINDLIMB IDENTITY; TBX4; SPECIFICATION; BIOCONDUCTOR; OUTGROWTH; MODELS; LMX1B AB Detailed information about stage-specific changes in gene expression is crucial for understanding the gene regulatory networks underlying development and the various signal transduction pathways contributing to morphogenesis. Here we describe the global gene expression dynamics during early murine limb development, when cartilage, tendons, muscle, joints, vasculature and nerves are specified and the musculoskeletal system of limbs is established. We used whole-genome microarrays to identify genes with differential expression at 5 stages of limb development E9.5 to 13.5), during fore- and hind-limb patterning. We found that the onset of limb formation is characterized by an up-regulation of transcription factors, which is followed by a massive activation of genes during E10.5 and E11.5 which levels off at later time points. Among the 3520 genes identified as significantly up-regulated in the limb, we find similar to 30% to be novel, dramatically expanding the repertoire of candidate genes likely to function in the limb. Hierarchical and stage-specific clustering identified expression profiles that are likely to correlate with functional programs during limb development and further characterization of these transcripts will provide new insights into specific tissue patterning processes. Here, we provide for the first time a comprehensive analysis of developmentally regulated genes during murine limb development, and provide some novel insights into the expression dynamics governing limb morphogenesis. C1 [Taher, Leila; Ovcharenko, Ivan] Natl Lib Med, Natl Ctr Biotechnol Informat, Computat Biol Branch, Bethesda, MD 20894 USA. [Collette, Nicole M.; Murugesh, Deepa; Loots, Gabriela G.] Lawrence Livermore Natl Lab, Biol & Biotechnol Div, Livermore, CA USA. [Loots, Gabriela G.] Univ Calif Merced, Sch Nat Sci, Merced, CA USA. [Maxwell, Evan] Boston Univ, Bioinformat Program, Boston, MA 02215 USA. RP Taher, L (reprint author), Natl Lib Med, Natl Ctr Biotechnol Informat, Computat Biol Branch, Bethesda, MD 20894 USA. EM loots1@llnl.gov FU National Institutes of Health [DK075730, HG003963]; National Institutes of Health, National Library of Medicine; U.S. Department of Energy by Lawrence Livermore National Laboratory [DE-AC52-07NA27344] FX GGL, NMC and DM were supported by National Institutes of Health grants DK075730 and HG003963. This research was supported in part by the Intramural Research Program of the National Institutes of Health, National Library of Medicine. No additional external funding was received for this study. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.; We would like to thank Carsten Jacobi and Michaela Kneissel from the Bone and Cartilage Group at Novartis Pharma and Shalini Mabery at LLNL for assistance with generating the microarray data. Special thanks to Jim Kent for giving us permission to use in situ images from Visigene; Nick Fischer for graphic design of Figure 1 and all members of the Loots group who have helped with animal husbandry, embryo isolation and engaged in insightful manuscript discussions. This work performed under the auspices of the U.S. Department of Energy by Lawrence Livermore National Laboratory under Contract DE-AC52-07NA27344. NR 36 TC 30 Z9 30 U1 0 U2 7 PU PUBLIC LIBRARY SCIENCE PI SAN FRANCISCO PA 185 BERRY ST, STE 1300, SAN FRANCISCO, CA 94107 USA SN 1932-6203 J9 PLOS ONE JI PLoS One PD DEC 9 PY 2011 VL 6 IS 12 AR e28358 DI 10.1371/journal.pone.0028358 PG 17 WC Multidisciplinary Sciences SC Science & Technology - Other Topics GA 866FK UT WOS:000298365700028 PM 22174793 ER PT J AU Valset, K Tafto, J Wu, L Zhu, Y AF Valset, K. Tafto, J. Wu, L. Zhu, Y. TI Anharmonic thermal motion of atoms in thermoelectric Mg2Si studied via convergent-beam electron diffraction SO PHYSICAL REVIEW B LA English DT Article ID NEUTRON-DIFFRACTION; CHARGE-DENSITY; TEMPERATURE; HOLES AB We study the thermal motion of the atoms in the thermoelectric material Mg2Si by using electron diffraction. The nanodiffraction or convergent-beam electron diffraction technique we use allows us to observe simultaneously many Bragg reflections with large reciprocal lattice vectors. Previous observations of anharmonicity by single-crystal x-ray diffraction are confirmed, and we determine the anharmonicity parameter of the Mg atom in the tetrahedral environment with high accuracy, beta = (-4.27 +/- 0.14) x 10(-12) erg angstrom(-3) around room temperature. In an alternative picture the Mg atom tends to vibrate around positions displaced 4.50 +/- 0.14 pm from the center of the tetrahedron. C1 [Valset, K.; Tafto, J.] Univ Oslo, Dept Phys, N-0316 Oslo, Norway. [Wu, L.; Zhu, Y.] Brookhaven Natl Lab, Condensed Matter Phys & Mat Sci Dept, Upton, NY 11973 USA. RP Valset, K (reprint author), Univ Oslo, Dept Phys, Blindern POB 1048, N-0316 Oslo, Norway. EM kjetil.valset@fys.uio.no NR 14 TC 1 Z9 1 U1 0 U2 7 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1098-0121 J9 PHYS REV B JI Phys. Rev. B PD DEC 9 PY 2011 VL 84 IS 22 AR 220301 DI 10.1103/PhysRevB.84.220301 PG 4 WC Physics, Condensed Matter SC Physics GA 860EZ UT WOS:000297932900001 ER PT J AU Kharzeev, DE Yee, HU AF Kharzeev, Dmitri E. Yee, Ho-Ung TI Chiral helix in AdS/CFT correspondence with flavor SO PHYSICAL REVIEW D LA English DT Article ID EQUILIBRIUM; VIOLATION; FIELDS; MATTER; QCD AB The D3/D7 holographic model aims at a better approximation to QCD by adding to N = 4 SYM theory N-f of N = 2 supersymmetric hypermultiplets in the fundamental representation of SU(N-c)-the "flavor fields'' representing the quarks. Motivated by a recent observation of the importance of the Wess-Zumino-like (WZ) term for realizing the chiral magnetic effect within this model, we revisit the phase diagram of the finite temperature, massless D3/D7 model in the presence of external electric/magnetic fields and at finite chemical potential. We point out that the A-V-V triangle anomaly represented by the WZ term in the D7 brane probe action implies the existence of new phases that have been overlooked in the previous studies. In the case of an external magnetic field and at finite chemical potential, we find a "chiral helix'' phase in which the U(1)(A) angle of D7 brane embedding increases monotonically along the direction of the magnetic field-this is a geometric realization of the chiral spiral phase in QCD. We also show that in the case of parallel electric and magnetic fields (E, B) there exists a phase in which the D7 brane spontaneously begins to rotate, so that the U(1)(A) angle changes as a function of time-this may be called the "spontaneous rotation'' phase; it is a geometrical realization of a phase with nonzero chiral chemical potential. Our results call for a more thorough study of the (T, B, E, mu) phase diagram of the massless D3/D7 model taking a complete account of the WZ term. We also speculate about the possible phase diagram in the massive case. C1 [Kharzeev, Dmitri E.; Yee, Ho-Ung] SUNY Stony Brook, Dept Phys & Astron, Stony Brook, NY 11794 USA. [Kharzeev, Dmitri E.] Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA. RP Kharzeev, DE (reprint author), SUNY Stony Brook, Dept Phys & Astron, Stony Brook, NY 11794 USA. EM dmitri.kharzeev@stonybrook.edu; hyee@tonic.physics.sunysb.edu FU U.S. Department of Energy [DE-AC02-98CH10886, DE-FG-88ER41723, DE-FG02-88ER40388] FX The work of D. K. was supported in part by the U.S. Department of Energy under Contracts No. DE-AC02-98CH10886 and DE-FG-88ER41723. The work of H. U. Y. was supported by the U.S. Department of Energy under Contract No. DE-FG02-88ER40388. NR 45 TC 7 Z9 7 U1 0 U2 0 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1550-7998 J9 PHYS REV D JI Phys. Rev. D PD DEC 9 PY 2011 VL 84 IS 12 AR 125011 DI 10.1103/PhysRevD.84.125011 PG 11 WC Astronomy & Astrophysics; Physics, Particles & Fields SC Astronomy & Astrophysics; Physics GA 860GY UT WOS:000297938000007 ER PT J AU Abazov, VM Abbott, B Acharya, BS Adams, M Adams, T Alexeev, GD Alkhazov, G Alton, A Alverson, G Alves, GA Aoki, M Arov, M Askew, A Asman, B Atkins, S Atramentov, O Augsten, K Avila, C BackusMayes, J Badaud, F Bagby, L Baldin, B Bandurin, DV Banerjee, S Barberis, E Baringer, P Barreto, J Bartlett, JF Bassler, U Bazterra, V Bean, A Begalli, M Begel, M Belanger-Champagne, C Bellantoni, L Beri, SB Bernardi, G Bernhard, R Bertram, I Besancon, M Beuselinck, R Bezzubov, VA Bhat, PC Bhatnagar, V Blazey, G Blessing, S Bloom, K Boehnlein, A Boline, D Boos, EE Borissov, G Bose, T Brandt, A Brandt, O Brock, R Brooijmans, G Bross, A Brown, D Brown, J Bu, XB Buehler, M Buescher, V Bunichev, V Burdin, S Burnett, TH Buszello, CP Calpas, B Camacho-Perez, E Carrasco-Lizarraga, MA Casey, BCK Castilla-Valdez, H Chakrabarti, S Chakraborty, D Chan, KM Chandra, A Chapon, E Chen, G Chevalier-Thery, S Cho, DK Cho, SW Choi, S Choudhary, B Cihangir, S Claes, D Clutter, J Cooke, M Cooper, WE Corcoran, M Couderc, F Cousinou, MC Croc, A Cutts, D Das, A Davies, G De, K de Jong, SJ De La Cruz-Burelo, E Deliot, F Demarteau, M Demina, R Denisov, D Denisov, SP Desai, S Deterre, C DeVaughan, K Diehl, HT Diesburg, M Ding, PF Dominguez, A Dorland, T Dubey, A Dudko, LV Duggan, D Duperrin, A Dutt, S Dyshkant, A Eads, M Edmunds, D Ellison, J Elvira, VD Enari, Y Evans, H Evdokimov, A Evdokimov, VN Facini, G Ferbel, T Fiedler, F Filthaut, F Fisher, W Fisk, HE Fortner, M Fox, H Fuess, S Garcia-Bellido, A Garcia-Guerra, GA Gavrilov, V Gay, P Geng, W Gerbaudo, D Gerber, CE Gershtein, Y Ginther, G Golovanov, G Goussiou, A Grannis, PD Greder, S Greenlee, H Greenwood, ZD Gregores, EM Grenier, G Gris, P Grivaz, JF Grohsjean, A Grunendahl, S Grunewald, MW Guillemin, T Gutierrez, G Gutierrez, P Haas, A Hagopian, S Haley, J Han, L Harder, K Harel, A Hauptman, JM Hays, J Head, T Hebbeker, T Hedin, D Hegab, H Heinson, AP Heintz, U Hensel, C Heredia-De La Cruz, I Herner, K Hesketh, G Hildreth, MD Hirosky, R Hoang, T Hobbs, JD Hoeneisen, B Hohlfeld, M Hubacek, Z Huske, N Hynek, V Iashvili, I Ilchenko, Y Illingworth, R Ito, AS Jabeen, S Jaffre, M Jamin, D Jayasinghe, A Jesik, R Jiang, P Johns, K Johnson, M Jonckheere, A Jonsson, P Joshi, J Jung, AW Juste, A Kaadze, K Kajfasz, E Karmanov, D Kasper, PA Katsanos, I Kehoe, R Kermiche, S Khalatyan, N Khanov, A Kharchilava, A Kharzheev, YN Kohli, JM Kozelov, AV Kraus, J Kulikov, S Kumar, A Kupco, A Kurca, T Kuzmin, VA Kvita, J Lammers, S Landsberg, G Lebrun, P Lee, HS Lee, SW Lee, WM Lellouch, J Li, L Li, QZ Lietti, SM Lim, JK Lincoln, D Linnemann, J Lipaev, VV Lipton, R Liu, Y Lobodenko, A Lokajicek, M de Sa, RL Lubatti, HJ Luna-Garcia, R Lyon, AL Maciel, AKA Mackin, D Madar, R Magana-Villalba, R Malik, S Malyshev, VL Maravin, Y Martinez-Ortega, J McCarthy, R McGivern, CL Meijer, MM Melnitchouk, A Menezes, D Mercadante, PG Merkin, M Meyer, A Meyer, J Miconi, F Mondal, NK Muanza, GS Mulhearn, M Nagy, E Naimuddin, M Narain, M Nayyar, R Neal, HA Negret, JP Neustroev, P Novaes, SF Nunnemann, T Obrant, G Orduna, J Osman, N Osta, J Garzon, GJOY Padilla, M Pal, A Parashar, N Parihar, V Park, SK Parsons, J Partridge, R Parua, N Patwa, A Penning, B Perfilov, M Peters, K Peters, Y Petridis, K Petrillo, G Petroff, P Piegaia, R Pleier, MA Podesta-Lerma, PLM Podstavkov, VM Polozov, P Popov, AV Prewitt, M Price, D Prokopenko, N Protopopescu, S Qian, J Quadt, A Quinn, B Rangel, MS Ranjan, K Ratoff, PN Razumov, I Renkel, P Rijssenbeek, M Ripp-Baudot, I Rizatdinova, F Rominsky, M Ross, A Royon, C Rubinov, P Ruchti, R Safronov, G Sajot, G Salcido, P Sanchez-Hernandez, A Sanders, MP Sanghi, B Santos, AS Savage, G Sawyer, L Scanlon, T Schamberger, RD Scheglov, Y Schellman, H Schliephake, T Schlobohm, S Schwanenberger, C Schwienhorst, R Sekaric, J Severini, H Shabalina, E Shary, V Shchukin, AA Shivpuri, RK Simak, V Sirotenko, V Skubic, P Slattery, P Smirnov, D Smith, KJ Snow, GR Snow, J Snyder, S Soldner-Rembold, S Sonnenschein, L Soustruznik, K Stark, J Stolin, V Stoyanova, DA Strauss, M Strom, D Stutte, L Suter, L Svoisky, P Takahashi, M Tanasijczuk, A Titov, M Tokmenin, VV Tsai, YT Tschann-Grimm, K Tsybychev, D Tuchming, B Tully, C Uvarov, L Uvarov, S Uzunyan, S Van Kooten, R van Leeuwen, WM Varelas, N Varnes, EW Vasilyev, IA Verdier, P Vertogradov, LS Verzocchi, M Vesterinen, M Vilanova, D Vokac, P Wahl, HD Wang, MHLS Warchol, J Watts, G Wayne, M Weber, M Welty-Rieger, L White, A Wicke, D Williams, MRJ Wilson, GW Wobisch, M Wood, DR Wyatt, TR Xie, Y Xu, C Yacoob, S Yamada, R Yang, S Yang, WC Yasuda, T Yatsunenko, YA Ye, Z Yin, H Yip, K Youn, SW Yu, J Zelitch, S Zhao, T Zhou, B Zhu, J Zielinski, M Zieminska, D Zivkovic, L AF Abazov, V. M. Abbott, B. Acharya, B. S. Adams, M. Adams, T. Alexeev, G. D. Alkhazov, G. Alton, A. Alverson, G. Alves, G. A. Aoki, M. Arov, M. Askew, A. Asman, B. Atkins, S. Atramentov, O. Augsten, K. Avila, C. BackusMayes, J. Badaud, F. Bagby, L. Baldin, B. Bandurin, D. V. Banerjee, S. Barberis, E. Baringer, P. Barreto, J. Bartlett, J. F. Bassler, U. Bazterra, V. Bean, A. Begalli, M. Begel, M. Belanger-Champagne, C. Bellantoni, L. Beri, S. B. Bernardi, G. Bernhard, R. Bertram, I. Besancon, M. Beuselinck, R. Bezzubov, V. A. Bhat, P. C. Bhatnagar, V. Blazey, G. Blessing, S. Bloom, K. Boehnlein, A. Boline, D. Boos, E. E. Borissov, G. Bose, T. Brandt, A. Brandt, O. Brock, R. Brooijmans, G. Bross, A. Brown, D. Brown, J. Bu, X. B. Buehler, M. Buescher, V. Bunichev, V. Burdin, S. Burnett, T. H. Buszello, C. P. Calpas, B. Camacho-Perez, E. Carrasco-Lizarraga, M. A. Casey, B. C. K. Castilla-Valdez, H. Chakrabarti, S. Chakraborty, D. Chan, K. M. Chandra, A. Chapon, E. Chen, G. Chevalier-Thery, S. Cho, D. K. Cho, S. W. Choi, S. Choudhary, B. Cihangir, S. Claes, D. Clutter, J. Cooke, M. Cooper, W. E. Corcoran, M. Couderc, F. Cousinou, M. -C. Croc, A. Cutts, D. Das, A. Davies, G. De, K. de Jong, S. J. De La Cruz-Burelo, E. Deliot, F. Demarteau, M. Demina, R. Denisov, D. Denisov, S. P. Desai, S. Deterre, C. DeVaughan, K. Diehl, H. T. Diesburg, M. Ding, P. F. Dominguez, A. Dorland, T. Dubey, A. Dudko, L. V. Duggan, D. Duperrin, A. Dutt, S. Dyshkant, A. Eads, M. Edmunds, D. Ellison, J. Elvira, V. D. Enari, Y. Evans, H. Evdokimov, A. Evdokimov, V. N. Facini, G. Ferbel, T. Fiedler, F. Filthaut, F. Fisher, W. Fisk, H. E. Fortner, M. Fox, H. Fuess, S. Garcia-Bellido, A. Garcia-Guerra, G. A. Gavrilov, V. Gay, P. Geng, W. Gerbaudo, D. Gerber, C. E. Gershtein, Y. Ginther, G. Golovanov, G. Goussiou, A. Grannis, P. D. Greder, S. Greenlee, H. Greenwood, Z. D. Gregores, E. M. Grenier, G. Gris, Ph. Grivaz, J. -F. Grohsjean, A. Gruenendahl, S. Gruenewald, M. W. Guillemin, T. Gutierrez, G. Gutierrez, P. Haas, A. Hagopian, S. Haley, J. Han, L. Harder, K. Harel, A. Hauptman, J. M. Hays, J. Head, T. Hebbeker, T. Hedin, D. Hegab, H. Heinson, A. P. Heintz, U. Hensel, C. Heredia-De La Cruz, I. Herner, K. Hesketh, G. Hildreth, M. D. Hirosky, R. Hoang, T. Hobbs, J. D. Hoeneisen, B. Hohlfeld, M. Hubacek, Z. Huske, N. Hynek, V. Iashvili, I. Ilchenko, Y. Illingworth, R. Ito, A. S. Jabeen, S. Jaffre, M. Jamin, D. Jayasinghe, A. Jesik, R. Jiang, P. Johns, K. Johnson, M. Jonckheere, A. Jonsson, P. Joshi, J. Jung, A. W. Juste, A. Kaadze, K. Kajfasz, E. Karmanov, D. Kasper, P. A. Katsanos, I. Kehoe, R. Kermiche, S. Khalatyan, N. Khanov, A. Kharchilava, A. Kharzheev, Y. N. Kohli, J. M. Kozelov, A. V. Kraus, J. Kulikov, S. Kumar, A. Kupco, A. Kurca, T. Kuzmin, V. A. Kvita, J. Lammers, S. Landsberg, G. Lebrun, P. Lee, H. S. Lee, S. W. Lee, W. M. Lellouch, J. Li, L. Li, Q. Z. Lietti, S. M. Lim, J. K. Lincoln, D. Linnemann, J. Lipaev, V. V. Lipton, R. Liu, Y. Lobodenko, A. Lokajicek, M. de Sa, R. Lopes Lubatti, H. J. Luna-Garcia, R. Lyon, A. L. Maciel, A. K. A. Mackin, D. Madar, R. Magana-Villalba, R. Malik, S. Malyshev, V. L. Maravin, Y. Martinez-Ortega, J. McCarthy, R. McGivern, C. L. Meijer, M. M. Melnitchouk, A. Menezes, D. Mercadante, P. G. Merkin, M. Meyer, A. Meyer, J. Miconi, F. Mondal, N. K. Muanza, G. S. Mulhearn, M. Nagy, E. Naimuddin, M. Narain, M. Nayyar, R. Neal, H. A. Negret, J. P. Neustroev, P. Novaes, S. F. Nunnemann, T. Obrant, G. Orduna, J. Osman, N. Osta, J. Otero y Garzon, G. J. Padilla, M. Pal, A. Parashar, N. Parihar, V. Park, S. K. Parsons, J. Partridge, R. Parua, N. Patwa, A. Penning, B. Perfilov, M. Peters, K. Peters, Y. Petridis, K. Petrillo, G. Petroff, P. Piegaia, R. Pleier, M. -A. Podesta-Lerma, P. L. M. Podstavkov, V. M. Polozov, P. Popov, A. V. Prewitt, M. Price, D. Prokopenko, N. Protopopescu, S. Qian, J. Quadt, A. Quinn, B. Rangel, M. S. Ranjan, K. Ratoff, P. N. Razumov, I. Renkel, P. Rijssenbeek, M. Ripp-Baudot, I. Rizatdinova, F. Rominsky, M. Ross, A. Royon, C. Rubinov, P. Ruchti, R. Safronov, G. Sajot, G. Salcido, P. Sanchez-Hernandez, A. Sanders, M. P. Sanghi, B. Santos, A. S. Savage, G. Sawyer, L. Scanlon, T. Schamberger, R. D. Scheglov, Y. Schellman, H. Schliephake, T. Schlobohm, S. Schwanenberger, C. Schwienhorst, R. Sekaric, J. Severini, H. Shabalina, E. Shary, V. Shchukin, A. A. Shivpuri, R. K. Simak, V. Sirotenko, V. Skubic, P. Slattery, P. Smirnov, D. Smith, K. J. Snow, G. R. Snow, J. Snyder, S. Soeldner-Rembold, S. Sonnenschein, L. Soustruznik, K. Stark, J. Stolin, V. Stoyanova, D. A. Strauss, M. Strom, D. Stutte, L. Suter, L. Svoisky, P. Takahashi, M. Tanasijczuk, A. Titov, M. Tokmenin, V. V. Tsai, Y. -T. Tschann-Grimm, K. Tsybychev, D. Tuchming, B. Tully, C. Uvarov, L. Uvarov, S. Uzunyan, S. Van Kooten, R. van Leeuwen, W. M. Varelas, N. Varnes, E. W. Vasilyev, I. A. Verdier, P. Vertogradov, L. S. Verzocchi, M. Vesterinen, M. Vilanova, D. Vokac, P. Wahl, H. D. Wang, M. H. L. S. Warchol, J. Watts, G. Wayne, M. Weber, M. Welty-Rieger, L. White, A. Wicke, D. Williams, M. R. J. Wilson, G. W. Wobisch, M. Wood, D. R. Wyatt, T. R. Xie, Y. Xu, C. Yacoob, S. Yamada, R. Yang, S. Yang, W. -C. Yasuda, T. Yatsunenko, Y. A. Ye, Z. Yin, H. Yip, K. Youn, S. W. Yu, J. Zelitch, S. Zhao, T. Zhou, B. Zhu, J. Zielinski, M. Zieminska, D. Zivkovic, L. CA DO Collaboration TI W gamma Production and Limits on Anomalous WW gamma Couplings in p(p)over-bar Collisions at root s=1.96 TeV SO PHYSICAL REVIEW LETTERS LA English DT Article ID COLLIDER; BOSONS; PP AB We measure the cross section and the difference in rapidities between photons and charged leptons for inclusive W(-> l nu) + gamma production in e gamma and mu gamma final states. Using data corresponding to an integrated luminosity of 4.2 fb(-1) collected with the D0 detector at the Fermilab Tevatron Collider, the measured cross section times branching fraction for the process p (p) over bar -> W gamma + X -> l nu gamma + X and the distribution of the charge-signed photon-lepton rapidity difference are found to be in agreement with the standard model. These results provide the most stringent limits on anomalous WW gamma couplings for data from hadron colliders: -0.4 < Delta kappa(gamma) < 0.4 and -0.08 < lambda(gamma) < 0.07 at the 95% C.L. C1 [Abazov, V. M.; Alexeev, G. D.; Golovanov, G.; Kharzheev, Y. N.; Malyshev, V. L.; Tokmenin, V. V.; Vertogradov, L. S.; Yatsunenko, Y. A.] Joint Inst Nucl Res, Dubna, Russia. [Otero y Garzon, G. J.; Piegaia, R.; Tanasijczuk, A.] Univ Buenos Aires, Buenos Aires, DF, Argentina. [Alves, G. A.; Maciel, A. K. A.; Rangel, M. S.] Ctr Brasileiro Pesquisas Fis, LAFEX, Rio De Janeiro, Brazil. [Barreto, J.; Begalli, M.] Univ Estado Rio de Janeiro, BR-20550011 Rio De Janeiro, Brazil. [Gregores, E. M.; Mercadante, P. G.] Univ Fed ABC, Santo Andre, Brazil. [Lietti, S. M.; Novaes, S. F.; Santos, A. S.] Univ Estadual Paulista, Inst Fis Teor, BR-01405 Sao Paulo, Brazil. [Han, L.; Jiang, P.; Liu, Y.; Yang, S.] Univ Sci & Technol China, Hefei 230026, Peoples R China. [Avila, C.; Negret, J. P.] Univ Los Andes, Bogota, Colombia. [Kvita, J.; Soustruznik, K.] Charles Univ Prague, Fac Math & Phys, Ctr Particle Phys, Prague, Czech Republic. [Augsten, K.; Hubacek, Z.; Hynek, V.; Simak, V.; Vokac, P.] Czech Tech Univ, CR-16635 Prague, Czech Republic. [Kupco, A.; Lokajicek, M.] Acad Sci Czech Republic, Inst Phys, Ctr Particle Phys, Prague, Czech Republic. [Hoeneisen, B.] Univ San Francisco Quito, Quito, Ecuador. [Badaud, F.; Gay, P.; Gris, Ph.] Univ Clermont Ferrand, LPC, CNRS IN2P3, Clermont, France. [Stark, J.] Univ Grenoble 1, LPSC, CNRS IN2P3, Inst Natl Polytech Grenoble, Grenoble, France. [Calpas, B.; Cousinou, M. -C.; Duperrin, A.; Geng, W.; Jamin, D.; Kajfasz, E.; Kermiche, S.; Muanza, G. S.; Nagy, E.; Osman, N.] Aix Marseille Univ, CPPM, CNRS IN2P3, Marseille, France. [Grivaz, J. -F.; Guillemin, T.; Jaffre, M.; Petroff, P.] Univ Paris 11, LAL, CNRS IN2P3, Orsay, France. [Bernardi, G.; Brown, D.; Brown, J.; Enari, Y.; Huske, N.; Lellouch, J.] Univ Paris 06, LPNHE, CNRS IN2P3, Paris, France. [Bernardi, G.; Brown, D.; Brown, J.; Enari, Y.; Huske, N.; Lellouch, J.] Univ Paris 07, LPNHE, CNRS IN2P3, Paris, France. [Bassler, U.; Besancon, M.; Chapon, E.; Chevalier-Thery, S.; Couderc, F.; Croc, A.; Deliot, F.; Deterre, C.; Grohsjean, A.; Hubacek, Z.; Madar, R.; Royon, C.; Shary, V.; Titov, M.; Tuchming, B.; Vilanova, D.] SPP, Irfu, CEA, Saclay, France. [Greder, S.; Miconi, F.; Ripp-Baudot, I.; Sajot, G.] Univ Strasbourg, IPHC, CNRS IN2P3, Strasbourg, France. 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N.; Kozelov, A. V.; Kulikov, S.; Lipaev, V. V.; Popov, A. V.; Prokopenko, N.; Razumov, I.; Shchukin, A. A.; Stoyanova, D. A.; Vasilyev, I. A.] Inst High Energy Phys, Protvino, Russia. [Alkhazov, G.; Lobodenko, A.; Neustroev, P.; Obrant, G.; Scheglov, Y.; Uvarov, L.; Uvarov, S.] Petersburg Nucl Phys Inst, St Petersburg, Russia. [Juste, A.] ICREA, Barcelona, Spain. [Juste, A.] IFAE, Barcelona, Spain. [Asman, B.; Belanger-Champagne, C.; Buszello, C. P.] Stockholm Univ, S-10691 Stockholm, Sweden. [Asman, B.; Belanger-Champagne, C.; Buszello, C. P.] Uppsala Univ, Uppsala, Sweden. [Bertram, I.; Borissov, G.; Burdin, S.; Fox, H.; Ratoff, P. N.; Ross, A.; Williams, M. R. J.] Univ Lancaster, Lancaster LA1 4YB, England. [Beuselinck, R.; Davies, G.; Hays, J.; Jesik, R.; Jonsson, P.; Scanlon, T.] Univ London Imperial Coll Sci Technol & Med, London SW7 2AZ, England. [Ding, P. F.; Harder, K.; Head, T.; Hesketh, G.; Peters, K.; Peters, Y.; Petridis, K.; Schwanenberger, C.; Soeldner-Rembold, S.; Suter, L.; Takahashi, M.; Vesterinen, M.; Wyatt, T. R.; Yang, W. -C.] Univ Manchester, Manchester M13 9PL, Lancs, England. [Das, A.; Johns, K.; Varnes, E. W.] Univ Arizona, Tucson, AZ 85721 USA. [Ellison, J.; Heinson, A. P.; Li, L.; Padilla, M.] Univ Calif Riverside, Riverside, CA 92521 USA. [Adams, T.; Askew, A.; Bandurin, D. V.; Blessing, S.; Hagopian, S.; Hoang, T.; Wahl, H. D.] Florida State Univ, Tallahassee, FL 32306 USA. [Aoki, M.; Bagby, L.; Baldin, B.; Bartlett, J. F.; Bellantoni, L.; Bhat, P. C.; Boehnlein, A.; Bross, A.; Bu, X. B.; Buehler, M.; Casey, B. C. K.; Cihangir, S.; Cooke, M.; Cooper, W. E.; Demarteau, M.; Denisov, D.; Desai, S.; Diehl, H. T.; Diesburg, M.; Elvira, V. D.; Fisk, H. E.; Fuess, S.; Ginther, G.; Greenlee, H.; Gruenendahl, S.; Gutierrez, G.; Illingworth, R.; Ito, A. S.; Johnson, M.; Jonckheere, A.; Jung, A. W.; Kasper, P. A.; Khalatyan, N.; Lee, W. M.; Li, Q. Z.; Lincoln, D.; Lipton, R.; Lyon, A. L.; Penning, B.; Podstavkov, V. M.; Rominsky, M.; Rubinov, P.; Sanghi, B.; Savage, G.; Sirotenko, V.; Stutte, L.; Verzocchi, M.; Wang, M. H. L. S.; Weber, M.; Xie, Y.; Yamada, R.; Yasuda, T.; Ye, Z.; Yin, H.; Youn, S. W.] Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA. [Adams, M.; Bazterra, V.; Gerber, C. E.; Strom, D.; Varelas, N.] Univ Illinois, Chicago, IL 60607 USA. [Blazey, G.; Chakraborty, D.; Dyshkant, A.; Fortner, M.; Hedin, D.; Menezes, D.; Salcido, P.; Uzunyan, S.] No Illinois Univ, De Kalb, IL 60115 USA. [Schellman, H.; Welty-Rieger, L.; Yacoob, S.] Northwestern Univ, Evanston, IL 60208 USA. [Evans, H.; Lammers, S.; Parua, N.; Price, D.; Van Kooten, R.; Zieminska, D.] Indiana Univ, Bloomington, IN 47405 USA. [Parashar, N.] Purdue Univ Calumet, Hammond, IN 46323 USA. [Chan, K. M.; Hildreth, M. 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[Bloom, K.; Claes, D.; DeVaughan, K.; Dominguez, A.; Eads, M.; Katsanos, I.; Malik, S.; Snow, G. R.] Univ Nebraska, Lincoln, NE 68588 USA. [Atramentov, O.; Duggan, D.; Gershtein, Y.] Rutgers State Univ, Piscataway, NJ 08855 USA. [Gerbaudo, D.; Tully, C.] Princeton Univ, Princeton, NJ 08544 USA. [Iashvili, I.; Kharchilava, A.; Kumar, A.; Smith, K. J.] SUNY Buffalo, Buffalo, NY 14260 USA. [Brooijmans, G.; Haas, A.; Parsons, J.] Columbia Univ, New York, NY 10027 USA. [Demina, R.; Ferbel, T.; Garcia-Bellido, A.; Ginther, G.; Harel, A.; Petrillo, G.; Slattery, P.; Tsai, Y. -T.; Zielinski, M.] Univ Rochester, Rochester, NY 14627 USA. [Boline, D.; Chakrabarti, S.; Grannis, P. D.; Hobbs, J. D.; de Sa, R. Lopes; McCarthy, R.; Rijssenbeek, M.; Schamberger, R. D.; Tschann-Grimm, K.; Tsybychev, D.] SUNY Stony Brook, Stony Brook, NY 11794 USA. [Begel, M.; Evdokimov, A.; Patwa, A.; Pleier, M. -A.; Protopopescu, S.; Snyder, S.; Yip, K.] Brookhaven Natl Lab, Upton, NY 11973 USA. [Snow, J.] Langston Univ, Langston, OK 73050 USA. [Abbott, B.; Gutierrez, P.; Jayasinghe, A.; Severini, H.; Skubic, P.; Strauss, M.; Svoisky, P.] Univ Oklahoma, Norman, OK 73019 USA. [Hegab, H.; Khanov, A.; Rizatdinova, F.] Oklahoma State Univ, Stillwater, OK 74078 USA. [Cho, D. K.; Cutts, D.; Heintz, U.; Jabeen, S.; Landsberg, G.; Narain, M.; Parihar, V.; Partridge, R.; Zivkovic, L.] Brown Univ, Providence, RI 02912 USA. [Brandt, A.; De, K.; Pal, A.; White, A.; Yu, J.] Univ Texas Arlington, Arlington, TX 76019 USA. [Ilchenko, Y.; Kehoe, R.; Renkel, P.] So Methodist Univ, Dallas, TX 75275 USA. [Chandra, A.; Corcoran, M.; Mackin, D.; Orduna, J.; Prewitt, M.] Rice Univ, Houston, TX 77005 USA. [Hirosky, R.; Mulhearn, M.; Zelitch, S.] Univ Virginia, Charlottesville, VA 22901 USA. [BackusMayes, J.; Burnett, T. H.; Dorland, T.; Goussiou, A.; Lubatti, H. J.; Schlobohm, S.; Watts, G.; Zhao, T.] Univ Washington, Seattle, WA 98195 USA. RP Abazov, VM (reprint author), Joint Inst Nucl Res, Dubna, Russia. RI Merkin, Mikhail/D-6809-2012; Dudko, Lev/D-7127-2012; Perfilov, Maxim/E-1064-2012; Fisher, Wade/N-4491-2013; De, Kaushik/N-1953-2013; Deliot, Frederic/F-3321-2014; Sharyy, Viatcheslav/F-9057-2014; Lokajicek, Milos/G-7800-2014; Kupco, Alexander/G-9713-2014; Kozelov, Alexander/J-3812-2014; Gerbaudo, Davide/J-4536-2012; Li, Liang/O-1107-2015; Gutierrez, Phillip/C-1161-2011; bu, xuebing/D-1121-2012; Boos, Eduard/D-9748-2012; Novaes, Sergio/D-3532-2012; Santos, Angelo/K-5552-2012; Mercadante, Pedro/K-1918-2012; Alves, Gilvan/C-4007-2013; Yip, Kin/D-6860-2013 OI Dudko, Lev/0000-0002-4462-3192; De, Kaushik/0000-0002-5647-4489; Sharyy, Viatcheslav/0000-0002-7161-2616; Gerbaudo, Davide/0000-0002-4463-0878; Li, Liang/0000-0001-6411-6107; Novaes, Sergio/0000-0003-0471-8549; Yip, Kin/0000-0002-8576-4311 FU DOE (USA); NSF (USA); CEA (France); CNRS/IN2P3 (France); FASI (Russia); Rosatom (Russia); RFBR (Russia); CNPq (Brazil); FAPERJ (Brazil); FAPESP (Brazil); FUNDUNESP (Brazil); DAE (India); DST (India); Colciencias (Colombia); CONACyT (Mexico); KRF (Korea); KOSEF (Korea); CONICET (Argentina); UBACyT (Argentina); FOM (The Netherlands); STFC (United Kingdom); Royal Society (United Kingdom); MSMT (Czech Republic); GACR (Czech Republic); CRC (Canada); NSERC (Canada); BMBF (Germany); DFG (Germany); SFI (Ireland); Swedish Research Council (Sweden); CAS (China); CNSF (China) FX We thank the staffs at Fermilab and collaborating institutions, and acknowledge support from the DOE and NSF (USA); CEA and CNRS/IN2P3 (France); FASI, Rosatom, and RFBR (Russia); CNPq, FAPERJ, FAPESP, and FUNDUNESP (Brazil); DAE and DST (India); Colciencias (Colombia); CONACyT (Mexico); KRF and KOSEF (Korea); CONICET and UBACyT (Argentina); FOM (The Netherlands); STFC and the Royal Society (United Kingdom); MSMT and GACR (Czech Republic); CRC Program and NSERC (Canada); BMBF and DFG (Germany); SFI (Ireland); The Swedish Research Council (Sweden); and CAS and CNSF (China). NR 21 TC 13 Z9 14 U1 0 U2 12 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 0031-9007 J9 PHYS REV LETT JI Phys. Rev. Lett. PD DEC 9 PY 2011 VL 107 IS 24 AR 241803 DI 10.1103/PhysRevLett.107.241803 PG 7 WC Physics, Multidisciplinary SC Physics GA 860HL UT WOS:000297939300004 PM 22242992 ER PT J AU Chattopadhyay, S Uysal, A Stripe, B Ha, YG Marks, TJ Karapetrova, EA Dutta, P AF Chattopadhyay, Sudeshna Uysal, Ahmet Stripe, Benjamin Ha, Young-geun Marks, Tobin J. Karapetrova, Evguenia A. Dutta, Pulak TI Comment on "How Water Meets a Very Hydrophobic Surface" Reply SO PHYSICAL REVIEW LETTERS LA English DT Editorial Material ID NEUTRON REFLECTIVITY; INTERFACE; DEPLETION; DENSITY; LAYER C1 [Chattopadhyay, Sudeshna; Uysal, Ahmet; Stripe, Benjamin; Dutta, Pulak] Northwestern Univ, Dept Phys & Astron, Evanston, IL 60208 USA. [Ha, Young-geun; Marks, Tobin J.] Northwestern Univ, Dept Chem, Evanston, IL 60208 USA. [Karapetrova, Evguenia A.] Argonne Natl Lab, Adv Photon Source, Argonne, IL 60439 USA. RP Chattopadhyay, S (reprint author), Northwestern Univ, Dept Phys & Astron, Evanston, IL 60208 USA. EM pdutta@northwestern.edu RI Uysal, Ahmet/E-7638-2010; OI Uysal, Ahmet/0000-0003-3278-5570; Ha, Young-Geun/0000-0001-9632-3557 NR 14 TC 7 Z9 7 U1 1 U2 29 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 0031-9007 J9 PHYS REV LETT JI Phys. Rev. Lett. PD DEC 9 PY 2011 VL 107 IS 24 AR 249802 DI 10.1103/PhysRevLett.107.249802 PG 2 WC Physics, Multidisciplinary SC Physics GA 860HL UT WOS:000297939300012 ER PT J AU Mezger, M Reichert, H Ocko, BM Daillant, J Dosch, H AF Mezger, Markus Reichert, Harald Ocko, Benjamin M. Daillant, Jean Dosch, Helmut TI Comment on "How Water Meets a Very Hydrophobic Surface" SO PHYSICAL REVIEW LETTERS LA English DT Editorial Material ID DEPLETION C1 [Mezger, Markus] Max Planck Inst Polymer Res, D-55128 Mainz, Germany. [Reichert, Harald] European Synchrotron Radiat Facil, F-38043 Grenoble, France. [Ocko, Benjamin M.] Brookhaven Natl Lab, Upton, NY 11973 USA. [Daillant, Jean] CEA, IRAMIS, LIONS, F-91191 Gif Sur Yvette, France. [Dosch, Helmut] DESY, D-22607 Hamburg, Germany. RP Mezger, M (reprint author), Max Planck Inst Polymer Res, D-55128 Mainz, Germany. RI Mezger, Markus/D-6897-2014 OI Mezger, Markus/0000-0001-9049-6983 NR 7 TC 11 Z9 11 U1 2 U2 42 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 0031-9007 J9 PHYS REV LETT JI Phys. Rev. Lett. PD DEC 9 PY 2011 VL 107 IS 24 AR 249801 DI 10.1103/PhysRevLett.107.249801 PG 1 WC Physics, Multidisciplinary SC Physics GA 860HL UT WOS:000297939300011 PM 22243027 ER PT J AU Ebeida, MS Patney, A Owens, JD Mestreau, E AF Ebeida, Mohamed S. Patney, Anjul Owens, John D. Mestreau, Eric TI Isotropic conforming refinement of quadrilateral and hexahedral meshes using two-refinement templates SO INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN ENGINEERING LA English DT Article DE conforming refinement; adaptive refinement; two-refinement templates; fast dynamic remeshing; CFD; GPGPU ID GENERATION; TRIANGULATION AB This paper presents three automated algorithms for isotropic, conforming refinement of all-quadrilateral and all-hexahedral meshes. These algorithms are based on the two-refinement templates introduced by Schneiders. However, we introduce a novel technique to choose the appropriate refinement template locally. This enables efficient implementation of the proposed algorithms, even in parallel. The proposed algorithms can handle refined regions of complicated geometry and do not suffer from concavity restrictions associated with the three-refinement methods currently dominating the literature. Several application examples show the strength of these new algorithms in problems that require fast dynamic remeshing such as computational fluid dynamics and computer graphics. Copyright (C) 2011 John Wiley & Sons, Ltd. C1 [Ebeida, Mohamed S.] Sandia Natl Labs, Albuquerque, NM 87185 USA. [Patney, Anjul; Owens, John D.] Univ Calif Davis, Dept Elect & Comp Engn, Davis, CA 95616 USA. [Mestreau, Eric] USN, Res Lab, Phys Acoust Branch, Washington, DC USA. RP Ebeida, MS (reprint author), Sandia Natl Labs, POB 5800, Albuquerque, NM 87185 USA. EM msebeid@sandia.gov RI Owens, John/A-1256-2012 OI Owens, John/0000-0001-6582-8237 FU Global Strategies Group, North America, Washington, U.S.A; National Science Foundation [0541448]; SciDAC Institute for Ultrascale Visualization FX On contract from Global Strategies Group, North America, Washington, DC 20375, U. S. A.; We thank Bay Raitt of Valve Software for the 'Big Guy' and 'Monster Frog' models. The 'Killeroo' subdivision mesh is courtesy of Headus Inc. (http://www.headus.com.au). This work was funded in part by the National Science Foundation (Award 0541448) and the SciDAC Institute for Ultrascale Visualization. We also thank NVIDIA for equipment donations. NR 24 TC 10 Z9 11 U1 0 U2 4 PU WILEY-BLACKWELL PI MALDEN PA COMMERCE PLACE, 350 MAIN ST, MALDEN 02148, MA USA SN 0029-5981 J9 INT J NUMER METH ENG JI Int. J. Numer. Methods Eng. PD DEC 9 PY 2011 VL 88 IS 10 BP 974 EP 985 DI 10.1002/nme.3207 PG 12 WC Engineering, Multidisciplinary; Mathematics, Interdisciplinary Applications SC Engineering; Mathematics GA 854LR UT WOS:000297496700002 ER PT J AU Baker, RH Kuehl, JV Wilkinson, GS AF Baker, Richard H. Kuehl, Jennifer V. Wilkinson, Gerald S. TI The Enhancer of split complex arose prior to the diversification of schizophoran flies and is strongly conserved between Drosophila and stalk-eyed flies (Diopsidae) SO BMC EVOLUTIONARY BIOLOGY LA English DT Article DE Enhancer of split complex; stalk-eyed fly; gene duplication; SPS plus A domain ID MULTIPLE SEQUENCE ALIGNMENT; ACHAETE-SCUTE COMPLEXES; GENE FAMILY EVOLUTION; OF-SPLIT; POSTTRANSCRIPTIONAL REGULATION; PRONEURAL CLUSTERS; LATERAL INHIBITION; K-BOX; NOTCH; DIPTERA AB Background: In Drosophila, the Enhancer of split complex (E(spl)-C) comprises 11 bHLH and Bearded genes that function during Notch signaling to repress proneural identity in the developing peripheral nervous system. Comparison with other insects indicates that the basal state for Diptera is a single bHLH and Bearded homolog and that the expansion of the gene complex occurred in the lineage leading to Drosophila. However, comparative genomic data from other fly species that would elucidate the origin and sequence of gene duplication for the complex is lacking. Therefore, in order to examine the evolutionary history of the complex within Diptera, we reconstructed, using several fosmid clones, the entire E(spl)-complex in the stalk-eyed fly, Teleopsis dalmanni and collected additional homologs of E(spl)-C genes from searches of dipteran EST databases and the Glossina morsitans genome assembly. Results: Comparison of the Teleopsis E(spl)-C gene organization with Drosophila indicates complete conservation in gene number and orientation between the species except that T. dalmanni contains a duplicated copy of E(spl)m5 that is not present in Drosophila. Phylogenetic analysis of E(spl)-complex bHLH and Bearded genes for several dipteran species clearly demonstrates that all members of the complex were present prior to the diversification of schizophoran flies. Comparison of upstream regulatory elements and 3' UTR domains between the species also reveals strong conservation for many of the genes and identifies several novel characteristics of E(spl)-C regulatory evolution including the discovery of a previously unidentified, highly conserved SPS+A domain between E(spl)m gamma and E(spl)m beta. Conclusion: Identifying the phylogenetic origin of E(spl)-C genes and their associated regulatory DNA is essential to understanding the functional significance of this well-studied gene complex. Results from this study provide numerous insights into the evolutionary history of the complex and will help refine the focus of studies examining the adaptive consequences of this gene expansion. C1 [Baker, Richard H.] Amer Museum Nat Hist, Sackler Inst Comparat Genom, New York, NY 10024 USA. [Kuehl, Jennifer V.] Joint Genome Inst, Dept Energy, Walnut Creek, CA 94598 USA. [Kuehl, Jennifer V.] Lawrence Berkeley Natl Lab, Phys Biosci Div, Berkeley, CA 94729 USA. [Wilkinson, Gerald S.] Univ Maryland, Dept Biol, College Pk, MD 20742 USA. RP Baker, RH (reprint author), Amer Museum Nat Hist, Sackler Inst Comparat Genom, 79th Cent Pk W, New York, NY 10024 USA. EM rbaker@amnh.org RI Wilkinson, Gerald/E-4424-2011 OI Wilkinson, Gerald/0000-0001-7799-8444 FU Sackler Institute of Comparative Genomics; National Science Foundation [DEB-0951816, DEB-0952260] FX We thank Rob DeSalle and Jeff Boore for their generous support of the research and members of the Sackler Institute of Comparative Genomics for their support and valuable discussion. Funding for the research was provided by National Science Foundation grants DEB-0951816 (RB) and DEB-0952260 (GW). NR 68 TC 5 Z9 5 U1 0 U2 6 PU BIOMED CENTRAL LTD PI LONDON PA 236 GRAYS INN RD, FLOOR 6, LONDON WC1X 8HL, ENGLAND SN 1471-2148 J9 BMC EVOL BIOL JI BMC Evol. Biol. PD DEC 8 PY 2011 VL 11 DI 10.1186/1471-2148-11-354 PG 15 WC Evolutionary Biology; Genetics & Heredity SC Evolutionary Biology; Genetics & Heredity GA 877XY UT WOS:000299217200001 PM 22151427 ER PT J AU Lillo, AM Ayriss, JE Shou, YL Graves, SW Bradbury, ARM Pavlik, P AF Lillo, Antonietta M. Ayriss, Joanne E. Shou, Yulin Graves, Steven W. Bradbury, Andrew R. M. Pavlik, Peter TI Development of Phage-Based Single Chain Fv Antibody Reagents for Detection of Yersinia pestis SO PLOS ONE LA English DT Article ID IMMUNOCHEMICAL REAGENTS; DISPLAY LIBRARY; FLOW-CYTOMETRY; IN-VITRO; SELECTION; SEQUENCE; PROTEIN; PLAGUE; FRAGMENTS; BINDING AB Background: Most Yersinia pestis strains are known to express a capsule-like antigen, fraction 1 (F1). F1 is encoded by the caf1 gene located on the large 100-kb pFra plasmid, which is found in Y. pestis but not in closely related species such as Yersinia enterocolytica and Yersinia pseudotuberculosis. In order to find antibodies specifically binding to Y. pestis we screened a large single chain Fv antibody fragment (scFv) phage display library using purified F1 antigen as a selection target. Different forms of the selected antibodies were used to establish assays for recombinant F1 antigen and Y. pestis detection. Methods: Phage antibody panning was performed against F1 in an automated fashion using the Kingfisher magnetic bead system. Selected scFvs were screened for F1-binding specificity by one-step alkaline phosphatase enzyme linked immunosorbant assay (ELISA), and assayed for binding to recombinant antigen and/or Y. pestis by flow cytometry and whole-cell ELISA. Results: Seven of the eight selected scFvs were shown to specifically bind both recombinant F1 and a panel of F1-positive Yersinia cells. The majority of the soluble scFvs were found to be difficult to purify, unstable and prone to cross-reactivity with F1-negative Yersinia strains, whereas phage displayed scFvs were found to be easy to purify/label and remarkably stable. Furthermore direct fluorescent labeling of phage displaying scFv allowed for an easy one-step flow cytometry assay. Slight cross-reactivity was observed when fixed cells were used in ELISA. Conclusions: Our high throughput methods of selection and screening allowed for time and cost effective discovery of seven scFvs specifically binding Y. pestis F1 antigen. We describe implementation of different methods for phage-based immunoassay. Based on the success of these methods and the proven stability of phage, we indicate that the use of phage-displayed, rather than phage-free proteins, might generally overcome the shortcomings of scFv antibodies. C1 [Lillo, Antonietta M.; Ayriss, Joanne E.; Shou, Yulin; Graves, Steven W.; Bradbury, Andrew R. M.; Pavlik, Peter] Los Alamos Natl Lab, Div Biosci, Los Alamos, NM 87545 USA. RP Lillo, AM (reprint author), Los Alamos Natl Lab, Div Biosci, Los Alamos, NM 87545 USA. EM amb@lanl.gov OI Bradbury, Andrew/0000-0002-5567-8172 FU Department of Homeland Security, Los Alamos National Laboratory Directed Research and development [20070010DR] FX This work was supported by the Department of Homeland Security, Los Alamos National Laboratory Directed Research and development funds 20070010DR. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript. NR 26 TC 15 Z9 16 U1 1 U2 21 PU PUBLIC LIBRARY SCIENCE PI SAN FRANCISCO PA 185 BERRY ST, STE 1300, SAN FRANCISCO, CA 94107 USA SN 1932-6203 J9 PLOS ONE JI PLoS One PD DEC 8 PY 2011 VL 6 IS 12 AR e27756 DI 10.1371/journal.pone.0027756 PG 12 WC Multidisciplinary Sciences SC Science & Technology - Other Topics GA 863KY UT WOS:000298163600004 PM 22174746 ER PT J AU Chatrchyan, S Khachatryan, V Sirunyan, AM Tumasyan, A Adam, W Bergauer, T Dragicevic, M Ero, J Fabjan, C Friedl, M Fruhwirth, R Ghete, VM Hammer, J Hansel, S Hoch, M Hormann, N Hrubec, J Jeitler, M Kiesenhofer, W Krammer, M Liko, D Mikulec, I Pernicka, M Rahbaran, B Rohringer, H Schofbeck, R Strauss, J Taurok, A Teischinger, F Trauner, C Wagner, P Waltenberger, W Walzel, G Widl, E Wulz, CE Mossolov, V Shumeiko, N Gonzalez, JS Bansal, S Benucci, L De Wolf, EA Janssen, X Luyckx, S Maes, T Mucibello, L Ochesanu, S Roland, B Rougny, R Selvaggi, M Van Haevermaet, H Van Mechelen, P Van Remortel, N Blekman, F Blyweert, S D'Hondt, J 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Duggan, D. Gershtein, Y. Gray, R. Halkiadakis, E. Hidas, D. Hits, D. Lath, A. Panwalkar, S. Park, M. Patel, R. Richards, A. Rose, K. Schnetzer, S. Somalwar, S. Stone, R. Thomas, S. Cerizza, G. Hollingsworth, M. Spanier, S. Yang, Z. C. York, A. Eusebi, R. Flanagan, W. Gilmore, J. Gurrola, A. Kamon, T. Khotilovich, V. Montalvo, R. Osipenkov, I. Pakhotin, Y. Perloff, A. Roe, J. Safonov, A. Sengupta, S. Suarez, I. Tatarinov, A. Toback, D. Akchurin, N. Bardak, C. Damgov, J. Dudero, P. R. Jeong, C. Kovitanggoon, K. Lee, S. W. Libeiro, T. Mane, P. Roh, Y. Sill, A. Volobouev, I. Wigmans, R. Yazgan, E. Appelt, E. Brownson, E. Engh, D. Florez, C. Gabella, W. Issah, M. Johns, W. Johnston, C. Kurt, P. Maguire, C. Melo, A. Sheldon, P. Snook, B. Tuo, S. Velkovska, J. Arenton, M. W. Balazs, M. Boutle, S. Cox, B. Francis, B. Goadhouse, S. Goodell, J. Hirosky, R. Ledovskoy, A. Lin, C. Neu, C. Wood, J. Yohay, R. Gollapinni, S. Harr, R. Karchin, P. E. Don, C. Kottachchi Kankanamge Lamichhane, P. Mattson, M. Milstene, C. Sakharov, A. Anderson, M. Bachtis, M. Belknap, D. Bellinger, J. N. Carlsmith, D. Cepeda, M. Dasu, S. Efron, J. Friis, E. Gray, L. Grogg, K. S. Grothe, M. Hall-Wilton, R. Herndon, M. Herve, A. Klabbers, P. Klukas, J. Lanaro, A. Lazaridis, C. Leonard, J. Loveless, R. Mohapatra, A. Ojalvo, I. Parker, W. Ross, I. Savin, A. Smith, W. H. Swanson, J. Weinberg, M. CA CMS Collaboration TI Measurement of the weak mixing angle with the Drell-Yan process in proton-proton collisions at the LHC SO PHYSICAL REVIEW D LA English DT Article ID ELECTROWEAK PARAMETERS; HADRON COLLISIONS; PAIR PRODUCTION AB A multivariate likelihood method to measure electroweak couplings with the Drell-Yan process at the LHC is presented. The process is described by the dilepton rapidity, invariant mass, and decay angle distributions. The decay angle ambiguity due to the unknown assignment of the scattered constituent quark and antiquark to the two protons in a collision is resolved statistically using correlations between the observables. The method is applied to a sample of dimuon events from proton-proton collisions at root s = 7 TeV collected by the CMS experiment at the LHC, corresponding to an integrated luminosity of 1.1 fb(-1). From the dominant u (u) over bar, d (d) over bar -> gamma*/Z -> mu(-)mu(+) process, the effective weak mixing angle parameter is measured to be sin(2)theta(eff) = 0.2287 +/- 0.0020 (stat.) +/- 0.0025 (syst.) This result is consistent with measurements from other processes, as expected within the standard model. C1 [Chatrchyan, S.; Khachatryan, V.; Sirunyan, A. M.; Tumasyan, A.] Yerevan Phys Inst, Yerevan 375036, Armenia. [Adam, W.; Bergauer, T.; Dragicevic, M.; Eroe, J.; Fabjan, C.; Friedl, M.; Fruehwirth, R.; Ghete, V. 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M.; Troendle, D.; Wagner-Kuhr, J.; Weiler, T.; Zeise, M.; Ziebarth, E. B.] Univ Karlsruhe, Inst Expt Kernphys, D-7500 Karlsruhe, Germany. [Daskalakis, G.; Geralis, T.; Kesisoglou, S.; Kyriakis, A.; Loukas, D.; Manolakos, I.; Markou, A.; Markou, C.; Mavrommatis, C.; Ntomari, E.; Petrakou, E.; Cremaldi, L. M.; Godang, R.; Kroeger, R.; Perera, L.; Rahmat, R.; Sanders, D. A.; Summers, D.] Inst Nucl Phys Demokritos, Aghia Paraskevi, Greece. [Gouskos, L.; Mertzimekis, T. J.; Panagiotou, A.; Saoulidou, N.; Stiliaris, E.; Sphicas, P.] Univ Athens, Athens, Greece. [Evangelou, I.; Foudas, C.; Kokkas, P.; Manthos, N.; Papadopoulos, I.; Patras, V.; Triantis, F. A.] Univ Ioannina, GR-45110 Ioannina, Greece. [Aranyi, A.; Bencze, G.; Boldizsar, L.; Hajdu, C.; Hidas, P.; Horvath, D.; Kapusi, A.; Krajczar, K.; Sikler, F.; Veres, G. I.; Vesztergombi, G.] KFKI Res Inst Particle & Nucl Phys, Budapest, Hungary. [Horvath, D.; Beni, N.; Molnar, J.; Palinkas, J.; Szillasi, Z.; Veszpremi, V.] Inst Nucl Res ATOMKI, Debrecen, Hungary. [Karancsi, J.; Raics, P.; Trocsanyi, Z. L.; Ujvari, B.] Univ Debrecen, Debrecen, Hungary. [Beri, S. B.; Bhatnagar, V.; Dhingra, N.; Gupta, R.; Jindal, M.; Kaur, M.; Kohli, J. M.; Mehta, M. Z.; Nishu, N.; Saini, L. K.; Sharma, A.; Singh, A. P.; Singh, J.; Singh, S. P.] Panjab Univ, Chandigarh 160014, India. [Banerjee, S.; Bhattacharya, S.; Dutta, S.; Gomber, B.; Jain, S.; Jain, S.; Khurana, R.; Sarkar, S.] Saha Inst Nucl Phys, Kolkata, India. [Ahuja, S.; Choudhary, B. C.; Gupta, P.; Kumar, A.; Malhotra, S.; Naimuddin, M.; Ranjan, K.; Shivpuri, R. K.] Univ Delhi, Delhi 110007, India. [Choudhury, R. K.; Dutta, D.; Kailas, S.; Kumar, V.; Mehta, P.; Mohanty, A. K.; Pant, L. M.; Shukla, P.] Bhabha Atom Res Ctr, Bombay 400085, Maharashtra, India. [Aziz, T.; Guchait, M.; Gurtu, A.; Maity, M.; Majumder, D.; Majumder, G.; Mazumdar, K.; Mohanty, G. B.; Parida, B.; Saha, A.; Sudhakar, K.; Wickramage, N.] Tata Inst Fundamental Res EHEP, Bombay, Maharashtra, India. [Guchait, M.; Banerjee, S.; Dugad, S.; Mondal, N. K.] Tata Inst Fundamental Res HECR, Bombay, Maharashtra, India. [Arfaei, H.; Bakhshiansohi, H.; Etesami, S. M.; Fahim, A.; Hashemi, M.; Hesari, H.; Jafari, A.; Khakzad, M.; Mohammadi, A.; Najafabadi, M. Mohammadi; Mehdiabadi, S. Paktinat; Safarzadeh, B.; Zeinali, M.] Inst Res & Fundamental Sci IPM, Tehran, Iran. [Abbrescia, M.; Barbone, L.; Calabria, C.; Colaleo, A.; Creanza, D.; De Filippis, N.; De Palma, M.; Fiore, L.; Iaselli, G.; Lusito, L.; Maggi, G.; Maggi, M.; Manna, N.; Marangelli, B.; My, S.; Nuzzo, S.; Pacifico, N.; Pierro, G. A.; Pompili, A.; Pugliese, G.; Romano, F.; Roselli, G.; Selvaggi, G.; Silvestris, L.; Trentadue, R.; Tupputi, S.; Zito, G.] INFN Sez Bari, Bari, Italy. [Abbrescia, M.; Barbone, L.; Calabria, C.; De Palma, M.; Lusito, L.; Maggi, M.; Manna, N.; Marangelli, B.; Nuzzo, S.; Pacifico, N.; Pompili, A.; Roselli, G.; Selvaggi, G.; Tupputi, S.] Univ Bari, Bari, Italy. [Creanza, D.; De Filippis, N.; Iaselli, G.; Maggi, G.; My, S.; Pugliese, G.; Romano, F.] Politecn Bari, Bari, Italy. [Abbiendi, G.; Benvenuti, A. C.; Bonacorsi, D.; Braibant-Giacomelli, S.; Brigliadori, L.; Capiluppi, P.; Castro, A.; Cavallo, F. R.; Cuffiani, M.; Dallavalle, G. M.; Fabbri, F.; Fanfani, A.; Fasanella, D.; Giacomelli, P.; Giunta, M.; Grandi, C.; Marcellini, S.; Meneghelli, M.; Montanari, A.; Navarria, F. L.; Odorici, F.; Perrotta, A.; Primavera, F.; Rossi, A. M.; Rovelli, T.; Siroli, G.; Travaglini, R.] INFN Sez Bologna, Bologna, Italy. [Braibant-Giacomelli, S.; Capiluppi, P.; Castro, A.; Cuffiani, M.; Fanfani, A.; Fasanella, D.; Masetti, G.; Meneghelli, M.; Navarria, F. L.; Rossi, A. M.; Rovelli, T.; Siroli, G.; Travaglini, R.] Univ Bologna, Bologna, Italy. [Albergo, S.; Cappello, G.; Chiorboli, M.; Costa, S.; Potenza, R.; Tricomi, A.; Tuve, C.] INFN Sez Catania, Catania, Italy. [Albergo, S.; Cappello, G.; Chiorboli, M.; Costa, S.; Potenza, R.; Tricomi, A.; Tuve, C.] Univ Catania, Catania, Italy. [Barbagli, G.; Ciulli, V.; Civinini, C.; D'Alessandro, R.; Focardi, E.; Frosali, S.; Gallo, E.; Gonzi, S.; Meschini, M.; Paoletti, S.; Sguazzoni, G.; Tropiano, A.] INFN Sez Firenze, Florence, Italy. [Ciulli, V.; D'Alessandro, R.; Focardi, E.; Frosali, S.; Gonzi, S.] Univ Florence, Florence, Italy. [Benussi, L.; Bianco, S.; Colafranceschi, S.; Fabbri, F.; Piccolo, D.] INFN Lab Nazl Frascati, Frascati, Italy. [Fabbricatore, P.; Musenich, R.] INFN Sez Genova, Genoa, Italy. [Benaglia, A.; De Guio, F.; Di Matteo, L.; Gennai, S.; Ghezzi, A.; Malvezzi, S.; Martelli, A.; Massironi, A.; Menasce, D.; Moroni, L.; Paganoni, M.; Pedrini, D.; Ragazzi, S.; Redaelli, N.; Sala, S.; de Fatis, T. Tabarelli] INFN Sez Milano Bicocca, Milan, Italy. [Benaglia, A.; De Guio, F.; Di Matteo, L.; Ghezzi, A.; Martelli, A.; Massironi, A.; Paganoni, M.; Ragazzi, S.; de Fatis, T. Tabarelli] Univ Milano Bicocca, Milan, Italy. [Buontempo, S.; Montoya, C. A. Carrillo; Cavallo, N.; De Cosa, A.; Dogangun, O.; Fabozzi, F.; Iorio, A. O. M.; Lista, L.; Merola, M.; Paolucci, P.] INFN Sez Napoli, Naples, Italy. [De Cosa, A.; Dogangun, O.; Merola, M.] Univ Naples Federico II, Naples, Italy. [Azzi, P.; Bacchetta, N.; Bellan, P.; Bisello, D.; Branca, A.; Carlin, R.; Checchia, P.; Dorigo, T.; Dosselli, U.; Fanzago, F.; Gasparini, F.; Gasparini, U.; Gozzelino, A.; Lacaprara, S.; Lazzizzera, I.; Margoni, M.; Mazzucato, M.; Meneguzzo, A. T.; Nespolo, M.; Perrozzi, L.; Pozzobon, N.; Ronchese, P.; Simonetto, F.; Torassa, E.; Tosi, M.; Vanini, S.; Zotto, P.; Zumerle, G.] INFN Sez Padova, Padua, Italy. [Bellan, P.; Bisello, D.; Carlin, R.; Gasparini, F.; Gasparini, U.; Margoni, M.; Meneguzzo, A. T.; Pozzobon, N.; Ronchese, P.; Simonetto, F.; Tosi, M.; Vanini, S.; Zotto, P.; Zumerle, G.] Univ Padua, Padua, Italy. [Lazzizzera, I.] Univ Trento Trento, Padua, Italy. [Baesso, P.; Berzano, U.; Ratti, S. P.; Riccardi, C.; Torre, P.; Vitulo, P.; Viviani, C.] INFN Sez Pavia, Pavia, Italy. [Baesso, P.; Ratti, S. P.; Riccardi, C.; Torre, P.; Vitulo, P.; Viviani, C.] Univ Pavia, I-27100 Pavia, Italy. [Azzurri, P.; Bagliesi, G.; Bernardini, J.; Boccali, T.; Broccolo, G.; Castaldi, R.; D'Agnolo, R. T.; Dell'Orso, R.; Fiori, F.; Foa, L.; Giassi, A.; Kraan, A.; Ligabue, F.; Lomtadze, T.; Martini, L.; Messineo, A.; Palla, F.; Palmonari, F.; Segneri, G.; Serban, A. T.; Spagnolo, P.; Tenchini, R.; Tonelli, G.; Venturi, A.; Verdini, P. G.] INFN Sez Pisa, Pisa, Italy. [Bernardini, J.; Fiori, F.; Messineo, A.; Tonelli, G.] Univ Pisa, Pisa, Italy. [Azzurri, P.; Broccolo, G.; D'Agnolo, R. T.; Foa, L.; Ligabue, F.] Scuola Normale Super Pisa, Pisa, Italy. [Amapane, N.; Arcidiacono, R.; Argiro, S.; Arneodo, M.; Biino, C.; Botta, C.; Cartiglia, N.; Castello, R.; Costa, M.; Demaria, N.; Graziano, A.; Mariotti, C.; Maselli, S.; Migliore, E.; Monaco, V.; Musich, M.; Obertino, M. M.; Pastrone, N.; Pelliccioni, M.; Potenza, A.; Romero, A.; Ruspa, M.; Sacchi, R.; Sola, V.; Solano, A.; Staiano, A.; Pereira, A. Vilela] INFN Sez Torino, Turin, Italy. [Amapane, N.; Argiro, S.; Botta, C.; Castello, R.; Costa, M.; Graziano, A.; Migliore, E.; Monaco, V.; Pelliccioni, M.; Potenza, A.; Romero, A.; Sacchi, R.; Sola, V.; Solano, A.] Univ Turin, Turin, Italy. [Arcidiacono, R.; Arneodo, M.; Obertino, M. M.; Ruspa, M.] Univ Piemonte Orientale Novara, Turin, Italy. [Belforte, S.; Cossutti, F.; Della Ricca, G.; Gobbo, B.; Marone, M.; Montanino, D.; Penzo, A.] INFN Sez Trieste, Trieste, Italy. [Della Ricca, G.; Marone, M.; Montanino, D.] Univ Trieste, Trieste, Italy. [Heo, S. G.; Nam, S. K.] Kangwon Natl Univ, Chunchon, South Korea. [Chang, S.; Chung, J.; Kim, D. H.; Kim, G. N.; Kim, J. E.; Kong, D. J.; Park, H.; Ro, S. R.; Son, D. C.; Son, T.; Kamon, T.] Kyungpook Natl Univ, Taegu, South Korea. [Kim, J. Y.; Kim, Zero J.; Song, S.] Chonnam Natl Univ, Inst Universe & Elementary Particles, Kwangju, South Korea. [Jo, H. Y.] Konkuk Univ, Seoul, South Korea. [Choi, S.; Gyun, D.; Hong, B.; Jo, M.; Kim, H.; Kim, T. J.; Lee, K. S.; Moon, D. H.; Park, S. K.; Seo, E.; Sim, K. S.] Korea Univ, Seoul, South Korea. [Choi, M.; Kang, S.; Kim, H.; Kim, J. H.; Park, C.; Park, I. C.; Park, S.; Ryu, G.] Univ Seoul, Seoul, South Korea. [Cho, Y.; Choi, Y.; Choi, Y. K.; Goh, J.; Kim, M. S.; Lee, B.; Lee, J.; Lee, S.; Seo, H.; Yu, I.] Sungkyunkwan Univ, Suwon, South Korea. [Bilinskas, M. J.; Grigelionis, I.; Janulis, M.; Martisiute, D.; Petrov, P.; Polujanskas, M.; Sabonis, T.] Vilnius Univ, Vilnius, Lithuania. [Castilla-Valdez, H.; De La Cruz-Burelo, E.; Heredia-de La Cruz, I.; Lopez-Fernandez, R.; Magana Villalba, R.; Martinez-Ortega, J.; Sanchez-Hernandez, A.; Villasenor-Cendejas, L. M.] IPN, Ctr Invest & Estudios Avanzados, Mexico City 07738, DF, Mexico. [Carrillo Moreno, S.; Vazquez Valencia, F.] Univ Iberoamer, Mexico City, DF, Mexico. [Salazar Ibarguen, H. A.] Benemerita Univ Autonoma Puebla, Puebla, Mexico. [Casimiro Linares, E.; Morelos Pineda, A.; Reyes-Santos, M. A.] Univ Autonoma San Luis Potosi, San Luis Potosi, Mexico. [Krofcheck, D.; Tam, J.] Univ Auckland, Auckland 1, New Zealand. [Butler, P. H.; Doesburg, R.; Silverwood, H.] Univ Canterbury, Christchurch 1, New Zealand. [Ahmad, M.; Ahmed, I.; Asghar, M. I.; Hoorani, H. R.; Khalid, S.; Khan, W. A.; Khurshid, T.; Qazi, S.; Shah, M. A.; Shoaib, M.] Quaid I Azam Univ, Natl Ctr Phys, Islamabad, Pakistan. [Brona, G.; Cwiok, M.; Dominik, W.; Doroba, K.; Kalinowski, A.; Konecki, M.; Krolikowski, J.] Univ Warsaw, Inst Expt Phys, Fac Phys, Warsaw, Poland. [Bluj, M.; Frueboes, T.; Gokieli, R.; Gorski, M.; Kazana, M.; Nawrocki, K.; Romanowska-Rybinska, K.; Szleper, M.; Wrochna, G.; Zalewski, P.] Soltan Inst Nucl Studies, PL-00681 Warsaw, Poland. [Almeida, N.; Bargassa, P.; David, A.; Faccioli, P.; Ferreira Parracho, P. G.; Gallinaro, M.; Musella, P.; Nayak, A.; Pela, J.; Ribeiro, P. Q.; Seixas, J.; Varela, J.] Lab Instrumentacao & Fis Expt Particulas, Lisbon, Portugal. [Afanasiev, S.; Belotelov, I.; Bunin, P.; Gavrilenko, M.; Golutvin, I.; Kamenev, A.; Karjavin, V.; Kozlov, G.; Lanev, A.; Moisenz, P.; Palichik, V.; Perelygin, V.; Shmatov, S.; Smirnov, V.; Volodko, A.; Zarubin, A.] Joint Inst Nucl Res, Dubna, Russia. [Golovtsov, V.; Ivanov, Y.; Kim, V.; Levchenko, P.; Murzin, V.; Oreshkin, V.; Smirnov, I.; Sulimov, V.; Uvarov, L.; Vavilov, S.; Vorobyev, A.; Vorobyev, An.] Petersburg Nucl Phys Inst, St Petersburg, Russia. [Andreev, Yu.; Dermenev, A.; Gninenko, S.; Golubev, N.; Kirsanov, M.; Krasnikov, N.; Matveev, V.; Pashenkov, A.; Toropin, A.; Troitsky, S.; Musienko, Y.] Russian Acad Sci, Inst Nucl Res, Moscow, Russia. [Epshteyn, V.; Erofeeva, M.; Gavrilov, V.; Kaftanov, V.; Kossov, M.; Krokhotin, A.; Lychkovskaya, N.; Popov, V.; Safronov, G.; Semenov, S.; Stolin, V.; Vlasov, E.; Zhokin, A.; Starodumov, A.; Nikitenko, A.] Inst Theoret & Expt Phys, Moscow 117259, Russia. [Belyaev, A.; Boos, E.; Dubinin, M.; Dudko, L.; Ershov, A.; Gribushin, A.; Kodolova, O.; Lokhtin, I.; Markina, A.; Obraztsov, S.; Perfilov, M.; Petrushanko, S.; Sarycheva, L.; Savrin, V.; Snigirev, A.] Moscow MV Lomonosov State Univ, Moscow, Russia. [Andreev, V.; Azarkin, M.; Dremin, I.; Kirakosyan, M.; Leonidov, A.; Mesyats, G.; Rusakov, S. V.; Vinogradov, A.] PN Lebedev Phys Inst, Moscow 117924, Russia. [Azhgirey, I.; Bayshev, I.; Bitioukov, S.; Grishin, V.; Kachanov, V.; Konstantinov, D.; Korablev, A.; Krychkine, V.; Petrov, V.; Ryutin, R.; Sobol, A.; Tourtchanovitch, L.; Troshin, S.; Tyurin, N.; Uzunian, A.; Volkov, A.] State Res Ctr Russian Federat, Inst High Energy Phys, Protvino, Russia. [Adzic, P.; Djordjevic, M.; Ekmedzic, M.; Krpic, D.; Milosevic, J.; Milenovic, P.] Univ Belgrade, Fac Phys, Belgrade 11001, Serbia. [Adzic, P.; Djordjevic, M.; Ekmedzic, M.; Krpic, D.; Milosevic, J.; Milenovic, P.] Vinca Inst Nucl Sci, Belgrade, Serbia. [Aguilar-Benitez, M.; Alcaraz Maestre, J.; Arce, P.; Battilana, C.; Calvo, E.; Cerrada, M.; Chamizo Llatas, M.; Colino, N.; De La Cruz, B.; Delgado Peris, A.; Diez Pardos, C.; Dominguez Vazquez, D.; Fernandez Bedoya, C.; Fernandez Ramos, J. P.; Ferrando, A.; Flix, J.; Fouz, M. C.; Garcia-Abia, P.; Gonzalez Lopez, O.; Goy Lopez, S.; Hernandez, J. M.; Josa, M. I.; Merino, G.; Puerta Pelayo, J.; Redondo, I.; Romero, L.; Santaolalla, J.; Soares, M. S.; Willmott, C.] Ctr Invest Energet Medioambientales & Tecnol CIEM, Madrid, Spain. [Albajar, C.; Codispoti, G.; de Troconiz, J. F.] Univ Autonoma Madrid, Madrid, Spain. [Cuevas, J.; Fernandez Menendez, J.; Folgueras, S.; Gonzalez Caballero, I.; Lloret Iglesias, L.; Vizan Garcia, J. M.] Univ Oviedo, Oviedo, Spain. [Brochero Cifuentes, J. A.; Cabrillo, I. J.; Calderon, A.; Chuang, S. H.; Duarte Campderros, J.; Felcini, M.; Fernandez, M.; Gomez, G.; Gonzalez Sanchez, J.; Jorda, C.; Lobelle Pardo, P.; Lopez Virto, A.; Marco, J.; Marco, R.; Martinez Rivero, C.; Matorras, F.; Munoz Sanchez, F. J.; Piedra Gomez, J.; Rodrigo, T.; Rodriguez-Marrero, A. Y.; Ruiz-Jimeno, A.; Scodellaro, L.; Sanudo, M. Sobron; Vila, I.; Vilar Cortabitarte, R.] USACSIC Univ Cantabria, Inst Fis Cantabria IFCA, Santander, Spain. [Darmenov, N.; Genchev, V.; Iaydjiev, P.; Jung, H.; Guthoff, M.; Foudas, C.; Hajdu, C.; Sikler, F.; Mohanty, A. K.; De Filippis, N.; Tropiano, A.; Benaglia, A.; Gennai, S.; Massironi, A.; Montoya, C. A. Carrillo; Iorio, A. O. M.; Bacchetta, N.; Nespolo, M.; Tosi, M.; Lucaroni, A.; Taroni, S.; Tonelli, G.; Venturi, A.; Del Re, D.; Grassi, M.; Gallinaro, M.; Pela, J.; Kossov, M.; Grishin, V.; Abbaneo, D.; Auffray, E.; Auzinger, G.; Baillon, P.; Ball, A. H.; Barney, D.; Bell, A. J.; Benedetti, D.; Bernet, C.; Bialas, W.; Bloch, P.; Bocci, A.; Bolognesi, S.; Bona, M.; Breuker, H.; Bunkowski, K.; Camporesi, T.; Cerminara, G.; Christiansen, T.; Perez, J. A. Coarasa; Cure, B.; D'Enterria, D.; De Roeck, A.; Di Guida, S.; Dupont-Sagorin, N.; Elliott-Peisert, A.; Frisch, B.; Funk, W.; Gaddi, A.; Georgiou, G.; Gerwig, H.; Gigi, D.; Gill, K.; Giordano, D.; Glege, F.; Garrido, R. Gomez-Reino; Gouzevitch, M.; Govoni, P.; Gowdy, S.; Guida, R.; Guiducci, L.; Hansen, M.; Hartl, C.; Harvey, J.; Hegeman, J.; Hegner, B.; Hoffmann, H. F.; Innocente, V.; Janot, P.; Kaadze, K.; Karavakis, E.; Lecoq, P.; Lenzi, P.; Lourenco, C.; Maeki, T.; Malberti, M.; Malgeri, L.; Mannelli, M.; Masetti, L.; Maurisset, A.; Mavromanolakis, G.; Meijers, F.; Mersi, S.; Meschi, E.; Moser, R.; Mozer, M. U.; Mulders, M.; Nesvold, E.; Nguyen, M.; Orimoto, T.; Orsini, L.; Cortezon, E. Palencia; Perez, E.; Petrilli, A.; Pfeiffer, A.; Pierini, M.; Pimiae, M.; Piparo, D.; Polese, G.; Quertenmont, L.; Racz, A.; Reece, W.; Antunes, J. Rodrigues; Rolandi, G.; Rommerskirchen, T.; Rovelli, C.; Rovere, M.; Sakulin, H.; Schaefer, C.; Schwick, C.; Segoni, I.; Sharma, A.; Siegrist, P.; Silva, P.; Simon, M.; Sphicas, P.; Spiga, D.; Spiropulu, M.; Stoye, M.; Tsirou, A.; Vichoudis, P.; Woehri, H. K.; Worm, S. D.; Zeuner, W. D.; Kovalskyi, D.] CERN, European Org Nucl Res, CH-1211 Geneva, Switzerland. [Bertl, W.; Deiters, K.; Erdmann, W.; Gabathuler, K.; Horisberger, R.; Ingram, Q.; Kaestli, H. C.; Koenig, S.; Kotlinski, D.; Langenegger, U.; Meier, F.; Renker, D.; Rohe, T.; Sibille, J.; Caminada, L.; Marchica, C.; Naegeli, C.] Paul Scherrer Inst, Villigen, Switzerland. [Baeni, L.; Bortignon, P.; Caminada, L.; Casal, B.; Chanon, N.; Chen, Z.; Cittolin, S.; Dissertori, G.; Dittmar, M.; Eugster, J.; Freudenreich, K.; Grab, C.; Hintz, W.; Lecomte, P.; Lustermann, W.; Marchica, C.; del Arbol, P. Martinez Ruiz; Milenovic, P.; Moortgat, F.; Naegeli, C.; Nef, P.; Nessi-Tedaldi, F.; Pape, L.; Pauss, F.; Punz, T.; Rizzi, A.; Ronga, F. J.; Rossini, M.; Sala, L.; Sanchez, A. K.; Sawley, M. -C.; Starodumov, A.; Stieger, B.; Takahashi, M.; Tauscher, L.; Thea, A.; Theofilatos, K.; Treille, D.; Urscheler, C.; Wallny, R.; Weber, M.; Wehrli, L.; Weng, J.] ETH, Inst Particle Phys, Zurich, Switzerland. [Aguilo, E.; Amsler, C.; Chiochia, V.; De Visscher, S.; Favaro, C.; Rikova, M. Ivova; Jaeger, A.; Mejias, B. Millan; Otiougova, P.; Robmann, P.; Schmidt, A.; Snoek, H.] Univ Zurich, Zurich, Switzerland. [Chang, Y. H.; Chen, K. H.; Kuo, C. M.; Li, S. W.; Lin, W.; Liu, Z. K.; Lu, Y. J.; Mekterovic, D.; Volpe, R.; Yu, S. S.] Natl Cent Univ, Chungli 32054, Taiwan. [Bartalini, P.; Chang, P.; Chang, Y. H.; Chang, Y. W.; Chao, Y.; Chen, K. F.; Dietz, C.; Grundler, U.; Hou, W. -S.; Hsiung, Y.; Kao, K. Y.; Lei, Y. J.; Lu, R. -S.; Shiu, J. G.; Tzeng, Y. M.; Wan, X.; Wang, M.] Natl Taiwan Univ, Taipei 10764, Taiwan. [Adiguzel, A.; Bakirci, M. N.; Cerci, S.; Dozen, C.; Dumanoglu, I.; Eskut, E.; Girgis, S.; Gokbulut, G.; Hos, I.; Kangal, E. E.; Topaksu, A. Kayis; Onengut, G.; Ozdemir, K.; Ozturk, S.; Polatoz, A.; Sogut, K.; Cerci, D. Sunar; Tali, B.; Topakli, H.; Uzun, D.; Vergili, L. N.; Vergili, M.] Cukurova Univ, Adana, Turkey. [Akin, I. V.; Aliev, T.; Bilin, B.; Bilmis, S.; Deniz, M.; Gamsizkan, H.; Guler, A. M.; Ocalan, K.; Ozpineci, A.; Serin, M.; Sever, R.; Surat, U. E.; Yalvac, M.; Yildirim, E.; Zeyrek, M.] Middle E Tech Univ, Dept Phys, TR-06531 Ankara, Turkey. [Deliomeroglu, M.; Gulmez, E.; Isildak, B.; Kaya, M.; Kaya, O.; Ozbek, M.; Ozkorucuklu, S.; Sonmez, N.] Bogazici Univ, Istanbul, Turkey. [Levchuk, L.] Kharkov Phys & Technol Inst, Natl Sci Ctr, UA-310108 Kharkov, Ukraine. [Bostock, F.; Brooke, J. J.; Cheng, T. L.; Clement, E.; Cussans, D.; Frazier, R.; Goldstein, J.; Grimes, M.; Heath, G. P.; Heath, H. F.; Kreczko, L.; Metson, S.; Newbold, D. M.; Nirunpong, K.; Poll, A.; Senkin, S.; Smith, V. J.; Basso, L.] Univ Bristol, Bristol, Avon, England. [Newbold, D. M.; Bell, K. W.; Belyaev, A.; Brew, C.; Camanzi, B.; Cockerill, D. J. A.; Coughlan, J. A.; Harder, K.; Harper, S.; Jackson, J.; Kennedy, B. W.; Olaiya, E.; Petyt, D.; Radburn-Smith, B. C.; Shepherd-Themistocleous, C. H.; Tomalin, I. R.; Womersley, W. J.] Rutherford Appleton Lab, Didcot OX11 0QX, Oxon, England. [Bainbridge, R.; Ball, G.; Ballin, J.; Beuselinck, R.; Buchmuller, O.; Colling, D.; Cripps, N.; Cutajar, M.; Davies, G.; Della Negra, M.; Ferguson, W.; Fulcher, J.; Futyan, D.; Gilbert, A.; Bryer, A. Guneratne; Hall, G.; Hatherell, Z.; Hays, J.; Iles, G.; Jarvis, M.; Karapostoli, G.; Lyons, L.; Magnan, A. -M.; Marrouche, J.; Mathias, B.; Nandi, R.; Nash, J.; Nikitenko, A.; Papageorgiou, A.; Pesaresi, M.; Petridis, K.; Pioppi, M.; Raymond, D. M.; Rogerson, S.; Rompotis, N.; Rose, A.; Ryan, M. J.; Seez, C.; Sharp, P.; Sparrow, A.; Tapper, A.; Tourneur, S.; Acosta, M. Vazquez; Virdee, T.; Wakefield, S.; Wardle, N.; Wardrope, D.; Whyntie, T.] Univ London Imperial Coll Sci Technol & Med, London, England. [Barrett, M.; Chadwick, M.; Cole, J. E.; Hobson, P. R.; Khan, A.; Kyberd, P.; Leslie, D.; Martin, W.; Reid, I. D.; Teodorescu, L.] Brunel Univ, Uxbridge UB8 3PH, Middx, England. [Hatakeyama, K.; Liu, H.] Baylor Univ, Waco, TX 76798 USA. [Henderson, C.] Univ Alabama, Tuscaloosa, AL USA. [Bose, T.; Jarrin, E. Carrera; Fantasia, C.; Heister, A.; St John, J.; Lawson, P.; Lazic, D.; Rohlf, J.; Sperka, D.; Sulak, L.] Boston Univ, Boston, MA 02215 USA. [Avetisyan, A.; Bhattacharya, S.; Chou, J. P.; Cutts, D.; Ferapontov, A.; Heintz, U.; Jabeen, S.; Kukartsev, G.; Landsberg, G.; Luk, M.; Narain, M.; Nguyen, D.; Segala, M.; Sinthuprasith, T.; Speer, T.; Tsang, K. V.] Brown Univ, Providence, RI 02912 USA. [Breedon, R.; Breto, G.; Sanchez, M. Calderon De La Barca; Chauhan, S.; Chertok, M.; Conway, J.; Conway, R.; Cox, P. T.; Dolen, J.; Erbacher, R.; Houtz, R.; Ko, W.; Kopecky, A.; Lander, R.; Liu, H.; Mall, O.; Maruyama, S.; Miceli, T.; Nikolic, M.; Pellett, D.; Robles, J.; Rutherford, B.; Salur, S.; Searle, M.; Smith, J.; Squires, M.; Tripathi, M.; Sierra, R. Vasquez] Univ Calif Davis, Davis, CA 95616 USA. [Felcini, M.; Andreev, V.; Arisaka, K.; Cline, D.; Cousins, R.; Deisher, A.; Duris, J.; Erhan, S.; Farrell, C.; Hauser, J.; Ignatenko, M.; Jarvis, C.; Plager, C.; Rakness, G.; Schlein, P.; Tucker, J.; Valuev, V.] Univ Calif Los Angeles, Los Angeles, CA USA. [Babb, J.; Clare, R.; Ellison, J.; Gary, J. W.; Giordano, F.; Hanson, G.; Jeng, G. Y.; Kao, S. C.; Liu, H.; Long, O. R.; Luthra, A.; Nguyen, H.; Paramesvaran, S.; Sturdy, J.; Sumowidagdo, S.; Wilken, R.; Wimpenny, S.] Univ Calif Riverside, Riverside, CA 92521 USA. [Andrews, W.; Branson, J. G.; Cerati, G. B.; Evans, D.; Golf, F.; Holzner, A.; Kelley, R.; Lebourgeois, M.; Letts, J.; Mangano, B.; Padhi, S.; Palmer, C.; Petrucciani, G.; Pi, H.; Pieri, M.; Ranieri, R.; Sani, M.; Sharma, V.; Simon, S.; Sudano, E.; Tadel, M.; Tu, Y.; Vartak, A.; Wasserbaech, S.; Wuerthwein, F.; Yagil, A.; Yoo, J.] Univ Calif San Diego, La Jolla, CA 92093 USA. [Barge, D.; Bellan, R.; Campagnari, C.; D'Alfonso, M.; Danielson, T.; Flowers, K.; Geffert, P.; Incandela, J.; Justus, C.; Kalavase, P.; Koay, S. A.; Kovalskyi, D.; Krutelyov, V.; Lowette, S.; Mccoll, N.; Mullin, S. D.; Pavlunin, V.; Rebassoo, F.; Ribnik, J.; Richman, J.; Rossin, R.; Stuart, D.; To, W.; Vlimant, J. R.; West, C.] Univ Calif Santa Barbara, Santa Barbara, CA 93106 USA. [Dubinin, M.; Spiropulu, M.; Apresyan, A.; Bornheim, A.; Bunn, J.; Chen, Y.; Duarte, J.; Gataullin, M.; Ma, Y.; Mott, A.; Newman, H. B.; Rogan, C.; Shin, K.; Timciuc, V.; Traczyk, P.; Veverka, J.; Wilkinson, R.; Yang, Y.; Zhu, R. Y.] CALTECH, Pasadena, CA 91125 USA. [Akgun, B.; Carroll, R.; Ferguson, T.; Iiyama, Y.; Jang, D. W.; Jun, S. Y.; Liu, Y. F.; Paulini, M.; Russ, J.; Vogel, H.; Vorobiev, I.] Carnegie Mellon Univ, Pittsburgh, PA 15213 USA. [Cumalat, J. P.; Dinardo, M. E.; Drell, B. R.; Edelmaier, C. J.; Ford, W. T.; Gaz, A.; Heyburn, B.; Lopez, E. Luiggi; Nauenberg, U.; Smith, J. G.; Stenson, K.; Ulmer, K. A.; Wagner, S. R.; Zang, S. L.] Univ Colorado, Boulder, CO 80309 USA. [Agostino, L.; Alexander, J.; Chatterjee, A.; Eggert, N.; Gibbons, L. K.; Heltsley, B.; Hopkins, W.; Khukhunaishvili, A.; Kreis, B.; Kaufman, G. Nicolas; Patterson, J. R.; Puigh, D.; Ryd, A.; Salvati, E.; Shi, X.; Sun, W.; Teo, W. D.; Thom, J.; Thompson, J.; Vaughan, J.; Weng, Y.; Winstrom, L.; Wittich, P.] Cornell Univ, Ithaca, NY USA. [Biselli, A.; Cirino, G.; Winn, D.] Fairfield Univ, Fairfield, CT 06430 USA. [Abdullin, S.; Albrow, M.; Anderson, J.; Apollinari, G.; Atac, M.; Bakken, J. A.; Bauerdick, L. A. T.; Beretvas, A.; Berryhill, J.; Bhat, P. C.; Bloch, I.; Burkett, K.; Butler, J. N.; Chetluru, V.; Cheung, H. W. K.; Chlebana, F.; Cihangir, S.; Cooper, W.; Eartly, D. P.; Elvira, V. D.; Esen, S.; Fisk, I.; Freeman, J.; Gao, Y.; Gottschalk, E.; Green, D.; Gutsche, O.; Hanlon, J.; Harris, R. M.; Hirschauer, J.; Hooberman, B.; Jensen, H.; Jindariani, S.; Johnson, M.; Joshi, U.; Klima, B.; Kousouris, K.; Kunori, S.; Kwan, S.; Leonidopoulos, C.; Limon, P.; Lincoln, D.; Lipton, R.; Lykken, J.; Maeshima, K.; Marraffino, J. M.; Mason, D.; McBride, P.; Miao, T.; Mishra, K.; Mrenna, S.; Musienko, Y.; Newman-Holmes, C.; O'Dell, V.; Pivarski, J.; Pordes, R.; Prokofyev, O.; Schwarz, T.; Sexton-Kennedy, E.; Sharma, S.; Spalding, W. J.; Spiegel, L.; Tan, P.; Taylor, L.; Tkaczyk, S.; Uplegger, L.; Vaandering, E. W.; Vidal, R.; Whitmore, J.; Wu, W.; Yang, F.; Yumiceva, F.; Yun, J. C.] Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA. [Piedra Gomez, J.; Acosta, D.; Avery, P.; Bourilkov, D.; Chen, M.; Das, S.; De Gruttola, M.; Di Giovanni, G. P.; Dobur, D.; Drozdetskiy, A.; Field, R. D.; Fisher, M.; Fu, Y.; Furic, I. K.; Gartner, J.; Goldberg, S.; Hugon, J.; Kim, B.; Konigsberg, J.; Korytov, A.; Kropivnitskaya, A.; Kypreos, T.; Low, J. F.; Matchev, K.; Mitselmakher, G.; Muniz, L.; Myeonghun, P.; Remington, R.; Rinkevicius, A.; Schmitt, M.; Scurlock, B.; Sellers, P.; Skhirtladze, N.; Snowball, M.; Wang, D.; Yelton, J.; Zakaria, M.] Univ Florida, Gainesville, FL USA. [Gaultney, V.; Lebolo, L. M.; Linn, S.; Markowitz, P.; Martinez, G.; Rodriguez, J. L.] Florida Int Univ, Miami, FL 33199 USA. [Adams, T.; Askew, A.; Bochenek, J.; Chen, J.; Diamond, B.; Gleyzer, S. V.; Haas, J.; Hagopian, S.; Hagopian, V.; Jenkins, M.; Johnson, K. F.; Prosper, H.; Sekmen, S.; Veeraraghavan, V.] Florida State Univ, Tallahassee, FL 32306 USA. [Baarmand, M. M.; Dorney, B.; Hohlmann, M.; Kalakhety, H.; Vodopiyanov, I.] Florida Inst Technol, Melbourne, FL 32901 USA. [Adams, M. R.; Anghel, I. M.; Apanasevich, L.; Bai, Y.; Bazterra, V. E.; Betts, R. R.; Callner, J.; Cavanaugh, R.; Dragoiu, C.; Gauthier, L.; Gerber, C. E.; Hofman, D. J.; Khalatyan, S.; Kunde, G. J.; Lacroix, F.; Malek, M.; O'Brien, C.; Silkworth, C.; Silvestre, C.; Smoron, A.; Strom, D.; Varelas, N.] Univ Illinois, Chicago, IL USA. [Ozturk, S.; Akgun, U.; Albayrak, E. A.; Bilki, B.; Clarida, W.; Duru, F.; Lae, C. K.; McCliment, E.; Merlo, J. -P.; Mermerkaya, H.; Mestvirishvili, A.; Moeller, A.; Nachtman, J.; Newsom, C. R.; Norbeck, E.; Olson, J.; Onel, Y.; Ozok, F.; Sen, S.; Wetzel, J.; Yetkin, T.; Yi, K.] Univ Iowa, Iowa City, IA USA. [Barnett, B. A.; Blumenfeld, B.; Bonato, A.; Eskew, C.; Fehling, D.; Giurgiu, G.; Gritsan, A. V.; Grizzard, K.; Guo, Z. J.; Hu, G.; Maksimovic, P.; Rappoccio, S.; Swartz, M.; Tran, N. V.; Whitbeck, A.] Johns Hopkins Univ, Baltimore, MD USA. [Sibille, J.; Baringer, P.; Bean, A.; Benelli, G.; Grachov, O.; Iii, R. P. Kenny; Murray, M.; Noonan, D.; Sanders, S.; Stringer, R.; Wood, J. S.; Zhukova, V.] Univ Kansas, Lawrence, KS 66045 USA. [Barfuss, A. F.; Bolton, T.; Chakaberia, I.; Ivanov, A.; Khalil, S.; Makouski, M.; Maravin, Y.; Shrestha, S.; Svintradze, I.] Kansas State Univ, Manhattan, KS 66506 USA. [Gronberg, J.; Lange, D.; Wright, D.] Lawrence Livermore Natl Lab, Livermore, CA USA. [Baden, A.; Boutemeur, M.; Eno, S. C.; Ferencek, D.; Gomez, J. A.; Hadley, N. J.; Kellogg, R. G.; Kirn, M.; Lu, Y.; Mignerey, A. C.; Rossato, K.; Rumerio, P.; Santanastasio, F.; Skuja, A.; Temple, J.; Tonjes, M. B.; Tonwar, S. C.; Twedt, E.] Univ Maryland, College Pk, MD 20742 USA. [Alver, B.; Bauer, G.; Bendavid, J.; Busza, W.; Butz, E.; Cali, I. A.; Chan, M.; Dutta, V.; Everaerts, P.; Ceballos, G. Gomez; Goncharov, M.; Hahn, K. A.; Harris, P.; Kim, Y.; Klute, M.; Lee, Y. -J.; Li, W.; Loizides, C.; Luckey, P. D.; Ma, T.; Nahn, S.; Paus, C.; Ralph, D.; Roland, C.; Roland, G.; Rudolph, M.; Stephans, G. S. F.; Stoeckli, F.; Sumorok, K.; Sung, K.; Velicanu, D.; Wenger, E. A.; Wolf, R.; Wyslouch, B.; Xie, S.; Yang, M.; Yilmaz, Y.; Yoon, A. S.; Zanetti, M.] MIT, Cambridge, MA 02139 USA. [Cooper, S. I.; Cushman, P.; Dahmes, B.; Franzoni, G.; Gude, A.; Haupt, J.; Klapoetke, K.; Kubota, Y.; Mans, J.; Pastika, N.; Rekovic, V.; Rusack, R.; Sasseville, M.; Singovsky, A.; Tambe, N.; Turkewitz, J.] Univ Minnesota, Minneapolis, MN USA. [Cremaldi, L. M.; Godang, R.; Kroeger, R.; Perera, L.; Rahmat, R.; Sanders, D. A.; Summers, D.] Univ Mississippi, University, MS 38677 USA. [Bloom, K.; Bose, S.; Butt, J.; Claes, D. R.; Dominguez, A.; Eads, M.; Jindal, P.; Keller, J.; Kelly, T.; Kravchenko, I.; Lazo-Flores, J.; Malbouisson, H.; Malik, S.; Snow, G. R.] Univ Nebraska, Lincoln, NE USA. [Baur, U.; Godshalk, A.; Iashvili, I.; Jain, S.; Kharchilava, A.; Kumar, A.; Smith, K.; Wan, Z.] SUNY Buffalo, Buffalo, NY 14260 USA. [Alverson, G.; Barberis, E.; Baumgartel, D.; Boeriu, O.; Chasco, M.; Reucroft, S.; Swain, J.; Trocino, D.; Wood, D.; Zhang, J.] Northeastern Univ, Boston, MA 02115 USA. [Anastassov, A.; Kubik, A.; Mucia, N.; Odell, N.; Ofierzynski, R. A.; Pollack, B.; Pozdnyakov, A.; Schmitt, M.; Stoynev, S.; Velasco, M.; Won, S.] Northwestern Univ, Evanston, IL USA. [Antonelli, L.; Berry, D.; Brinkerhoff, A.; Hildreth, M.; Jessop, C.; Karmgard, D. J.; Kolb, J.; Kolberg, T.; Lannon, K.; Luo, W.; Lynch, S.; Marinelli, N.; Morse, D. M.; Pearson, T.; Ruchti, R.; Slaunwhite, J.; Valls, N.; Wayne, M.; Ziegler, J.] Univ Notre Dame, Notre Dame, IN 46556 USA. [Bylsma, B.; Durkin, L. S.; Hill, C.; Killewald, P.; Kotov, K.; Ling, T. Y.; Rodenburg, M.; Vuosalo, C.; Williams, G.] Ohio State Univ, Columbus, OH 43210 USA. [Adam, N.; Berry, E.; Elmer, P.; Gerbaudo, D.; Halyo, V.; Hebda, P.; Hunt, A.; Laird, E.; Pegna, D. Lopes; Marlow, D.; Medvedeva, T.; Mooney, M.; Olsen, J.; Piroue, P.; Quan, X.; Saka, H.; Stickland, D.; Tully, C.; Werner, J. S.; Zuranski, A.] Princeton Univ, Princeton, NJ 08544 USA. [Acosta, J. G.; Huang, X. T.; Lopez, A.; Mendez, H.; Oliveros, S.; Vargas, J. E. Ramirez; Zatserklyaniy, A.] Univ Puerto Rico, Mayaguez, PR USA. [Alagoz, E.; Barnes, V. E.; Bolla, G.; Borrello, L.; Bortoletto, D.; De Mattia, M.; Everett, A.; Gutay, L.; Hu, Z.; Jones, M.; Koybasi, O.; Kress, M.; Laasanen, A. T.; Leonardo, N.; Maroussov, V.; Merkel, P.; Miller, D. H.; Neumeister, N.; Shipsey, I.; Silvers, D.; Svyatkovskiy, A.; Marono, M. Vidal; Yoo, H. D.; Zablocki, J.; Zheng, Y.] Purdue Univ, W Lafayette, IN 47907 USA. [Guragain, S.; Parashar, N.] Purdue Univ Calumet, Hammond, LA USA. [Adair, A.; Boulahouache, C.; Ecklund, K. M.; Geurts, F. J. M.; Padley, B. P.; Redjimi, R.; Roberts, J.; Zabel, J.] Rice Univ, Houston, TX USA. [Betchart, B.; Bodek, A.; Chung, Y. S.; Covarelli, R.; de Barbaro, P.; Demina, R.; Eshaq, Y.; Flacher, H.; Garcia-Bellido, A.; Goldenzweig, P.; Gotra, Y.; Han, J.; Harel, A.; Miner, D. C.; Petrillo, G.; Sakumoto, W.; Vishnevskiy, D.; Zielinski, M.] Univ Rochester, Rochester, NY 14627 USA. [Bhatti, A.; Ciesielski, R.; Demortier, L.; Goulianos, K.; Lungu, G.; Malik, S.; Mesropian, C.] Rockefeller Univ, New York, NY 10021 USA. [Arora, S.; Atramentov, O.; Barker, A.; Contreras-Campana, C.; Contreras-Campana, E.; Duggan, D.; Gershtein, Y.; Gray, R.; Halkiadakis, E.; Hidas, D.; Hits, D.; Lath, A.; Panwalkar, S.; Park, M.; Patel, R.; Richards, A.; Rose, K.; Schnetzer, S.; Somalwar, S.; Stone, R.; Thomas, S.] Rutgers State Univ, Piscataway, NJ USA. [Cerizza, G.; Hollingsworth, M.; Spanier, S.; Yang, Z. C.; York, A.] Univ Tennessee, Knoxville, TN USA. [Eusebi, R.; Flanagan, W.; Gilmore, J.; Gurrola, A.; Kamon, T.; Khotilovich, V.; Montalvo, R.; Osipenkov, I.; Pakhotin, Y.; Perloff, A.; Roe, J.; Safonov, A.; Sengupta, S.; Suarez, I.; Tatarinov, A.; Toback, D.] Texas A&M Univ, College Stn, TX USA. [Akchurin, N.; Bardak, C.; Damgov, J.; Dudero, P. R.; Jeong, C.; Kovitanggoon, K.; Lee, S. W.; Libeiro, T.; Mane, P.; Roh, Y.; Sill, A.; Volobouev, I.; Wigmans, R.; Yazgan, E.] Texas Tech Univ, Lubbock, TX 79409 USA. [Appelt, E.; Brownson, E.; Engh, D.; Florez, C.; Gabella, W.; Issah, M.; Johns, W.; Johnston, C.; Kurt, P.; Maguire, C.; Melo, A.; Sheldon, P.; Snook, B.; Tuo, S.; Velkovska, J.] Vanderbilt Univ, Nashville, TN USA. [Arenton, M. W.; Balazs, M.; Boutle, S.; Cox, B.; Francis, B.; Goadhouse, S.; Goodell, J.; Hirosky, R.; Ledovskoy, A.; Lin, C.; Neu, C.; Wood, J.; Yohay, R.] Univ Virginia, Charlottesville, VA USA. [Gollapinni, S.; Harr, R.; Karchin, P. E.; Don, C. Kottachchi Kankanamge; Lamichhane, P.; Mattson, M.; Milstene, C.; Sakharov, A.] Wayne State Univ, Detroit, MI USA. [Anderson, M.; Bachtis, M.; Belknap, D.; Bellinger, J. N.; Carlsmith, D.; Cepeda, M.; Dasu, S.; Efron, J.; Friis, E.; Gray, L.; Grogg, K. 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RI Bolton, Tim/A-7951-2012; Perfilov, Maxim/E-1064-2012; Stahl, Achim/E-8846-2011; Belyaev, Andrey/E-1540-2012; Katkov, Igor/E-2627-2012; Boos, Eduard/D-9748-2012; buotempo, salvatore/B-5210-2012; Krammer, Manfred/A-6508-2010; Tinoco Mendes, Andre David/D-4314-2011; Savrin, Victor/D-6213-2012; Lokhtin, Igor/D-7004-2012; Kodolova, Olga/D-7158-2012; Dudko, Lev/D-7127-2012; Varela, Joao/K-4829-2016; Sguazzoni, Giacomo/J-4620-2015; Ligabue, Franco/F-3432-2014; Fassi, Farida/F-3571-2016; Menasce, Dario Livio/A-2168-2016; Bargassa, Pedrame/O-2417-2016; Xie, Si/O-6830-2016; Leonardo, Nuno/M-6940-2016; Goh, Junghwan/Q-3720-2016; Govoni, Pietro/K-9619-2016; Tuominen, Eija/A-5288-2017; Yazgan, Efe/C-4521-2014; Gerbaudo, Davide/J-4536-2012; Arce, Pedro/L-1268-2014; Flix, Josep/G-5414-2012; Ozdemir, Kadri/P-8058-2014; Della Ricca, Giuseppe/B-6826-2013; Azarkin, Maxim/N-2578-2015; Paganoni, Marco/A-4235-2016; Kirakosyan, Martin/N-2701-2015; Gulmez, Erhan/P-9518-2015; Seixas, Joao/F-5441-2013; Vilela Pereira, Antonio/L-4142-2016; Sznajder, Andre/L-1621-2016; Haj Ahmad, Wael/E-6738-2016; Hernandez Calama, Jose Maria/H-9127-2015; Bedoya, Cristina/K-8066-2014; My, Salvatore/I-5160-2015; Matorras, Francisco/I-4983-2015; Ragazzi, Stefano/D-2463-2009; Dremin, Igor/K-8053-2015; Hoorani, Hafeez/D-1791-2013; Leonidov, Andrey/M-4440-2013; Andreev, Vladimir/M-8665-2015; Cakir, Altan/P-1024-2015; TUVE', Cristina/P-3933-2015; KIM, Tae Jeong/P-7848-2015; Russ, James/P-3092-2014; Dahms, Torsten/A-8453-2015; Hektor, Andi/G-1804-2011; Grandi, Claudio/B-5654-2015; Leonidov, Andrey/P-3197-2014; Bernardes, Cesar Augusto/D-2408-2015; Ahmed, Ijaz/E-9144-2015; Lazzizzera, Ignazio/E-9678-2015; Sen, Sercan/C-6473-2014; D'Alessandro, Raffaello/F-5897-2015; Belyaev, Alexander/F-6637-2015; Trocsanyi, Zoltan/A-5598-2009; Konecki, Marcin/G-4164-2015; Gribushin, Andrei/J-4225-2012; Cerrada, Marcos/J-6934-2014; Calderon, Alicia/K-3658-2014; de la Cruz, Begona/K-7552-2014; Scodellaro, Luca/K-9091-2014; Josa, Isabel/K-5184-2014; Calvo Alamillo, Enrique/L-1203-2014; Paulini, Manfred/N-7794-2014; Vogel, Helmut/N-8882-2014; Marinho, Franciole/N-8101-2014; Ferguson, Thomas/O-3444-2014; Benussi, Luigi/O-9684-2014; Rolandi, Luigi (Gigi)/E-8563-2013; Zalewski, Piotr/H-7335-2013; Ivanov, Andrew/A-7982-2013; Hill, Christopher/B-5371-2012; Markina, Anastasia/E-3390-2012; Dogangun, Oktay/L-9252-2013; Troitsky, Sergey/C-1377-2014; Marlow, Daniel/C-9132-2014; Oguri, Vitor/B-5403-2013; Janssen, Xavier/E-1915-2013; Bartalini, Paolo/E-2512-2014; Codispoti, Giuseppe/F-6574-2014; Wulz, Claudia-Elisabeth/H-5657-2011; Venturi, Andrea/J-1877-2012; de Jesus Damiao, Dilson/G-6218-2012; Montanari, Alessandro/J-2420-2012; Amapane, Nicola/J-3683-2012; tosi, mia/J-5777-2012; Petrushanko, Sergey/D-6880-2012; Mercadante, Pedro/K-1918-2012; Kadastik, Mario/B-7559-2008; Mundim, Luiz/A-1291-2012; Santaolalla, Javier/C-3094-2013; Alves, Gilvan/C-4007-2013; Snigirev, Alexander/D-8912-2012; Tomei, Thiago/E-7091-2012; Focardi, Ettore/E-7376-2012; Raidal, Martti/F-4436-2012; Novaes, Sergio/D-3532-2012; Padula, Sandra /G-3560-2012; Lujan Center, LANL/G-4896-2012; Fruhwirth, Rudolf/H-2529-2012; Chen, Jie/H-6210-2011; Azzi, Patrizia/H-5404-2012; Torassa, Ezio/I-1788-2012; Giacomelli, Paolo/B-8076-2009; Jeitler, Manfred/H-3106-2012; OI Stahl, Achim/0000-0002-8369-7506; Katkov, Igor/0000-0003-3064-0466; Krammer, Manfred/0000-0003-2257-7751; Tinoco Mendes, Andre David/0000-0001-5854-7699; Dudko, Lev/0000-0002-4462-3192; Varela, Joao/0000-0003-2613-3146; Faccioli, Pietro/0000-0003-1849-6692; Goldstein, Joel/0000-0003-1591-6014; Heath, Helen/0000-0001-6576-9740; Grassi, Marco/0000-0003-2422-6736; Demaria, Natale/0000-0003-0743-9465; Benaglia, Andrea Davide/0000-0003-1124-8450; Covarelli, Roberto/0000-0003-1216-5235; Ciulli, Vitaliano/0000-0003-1947-3396; Martelli, Arabella/0000-0003-3530-2255; Gonzi, Sandro/0000-0003-4754-645X; Levchenko, Petr/0000-0003-4913-0538; Vidal Marono, Miguel/0000-0002-2590-5987; Carrera, Edgar/0000-0002-0857-8507; Sguazzoni, Giacomo/0000-0002-0791-3350; WANG, MIN-ZU/0000-0002-0979-8341; Ligabue, Franco/0000-0002-1549-7107; Diemoz, Marcella/0000-0002-3810-8530; Tricomi, Alessia Rita/0000-0002-5071-5501; Fassi, Farida/0000-0002-6423-7213; Martinez Ruiz del Arbol, Pablo/0000-0002-7737-5121; Heredia De La Cruz, Ivan/0000-0002-8133-6467; Ghezzi, Alessio/0000-0002-8184-7953; bianco, stefano/0000-0002-8300-4124; Longo, Egidio/0000-0001-6238-6787; Di Matteo, Leonardo/0000-0001-6698-1735; Baarmand, Marc/0000-0002-9792-8619; Boccali, Tommaso/0000-0002-9930-9299; Menasce, Dario Livio/0000-0002-9918-1686; Bargassa, Pedrame/0000-0001-8612-3332; Bilki, Burak/0000-0001-9515-3306; Lloret Iglesias, Lara/0000-0002-0157-4765; Tonelli, Guido Emilio/0000-0003-2606-9156; Abbiendi, Giovanni/0000-0003-4499-7562; Rizzi, Andrea/0000-0002-4543-2718; Gershtein, Yuri/0000-0002-4871-5449; HSIUNG, YEE/0000-0003-4801-1238; Bean, Alice/0000-0001-5967-8674; Landsberg, Greg/0000-0002-4184-9380; Leonidopoulos, Christos/0000-0002-7241-2114; Blekman, Freya/0000-0002-7366-7098; Beuselinck, Raymond/0000-0003-2613-7446; Toback, David/0000-0003-3457-4144; Jun, Soon Yung/0000-0003-3370-6109; Giacomelli, Paolo/0000-0002-6368-7220; Arneodo, Michele/0000-0002-7790-7132; Attia Mahmoud, Mohammed/0000-0001-8692-5458; Costa, Salvatore/0000-0001-9919-0569; Malik, Sudhir/0000-0002-6356-2655; Staiano, Amedeo/0000-0003-1803-624X; Xie, Si/0000-0003-2509-5731; Leonardo, Nuno/0000-0002-9746-4594; Goh, Junghwan/0000-0002-1129-2083; Govoni, Pietro/0000-0002-0227-1301; Tuominen, Eija/0000-0002-7073-7767; Yazgan, Efe/0000-0001-5732-7950; Gerbaudo, Davide/0000-0002-4463-0878; Vieira de Castro Ferreira da Silva, Pedro Manuel/0000-0002-5725-041X; Kasemann, Matthias/0000-0002-0429-2448; Stober, Fred/0000-0003-2620-3159; Arce, Pedro/0000-0003-3009-0484; Flix, Josep/0000-0003-2688-8047; Ozdemir, Kadri/0000-0002-0103-1488; Della Ricca, Giuseppe/0000-0003-2831-6982; Paganoni, Marco/0000-0003-2461-275X; Gulmez, Erhan/0000-0002-6353-518X; Seixas, Joao/0000-0002-7531-0842; Vilela Pereira, Antonio/0000-0003-3177-4626; Sznajder, Andre/0000-0001-6998-1108; Haj Ahmad, Wael/0000-0003-1491-0446; Hernandez Calama, Jose Maria/0000-0001-6436-7547; Bedoya, Cristina/0000-0001-8057-9152; My, Salvatore/0000-0002-9938-2680; Matorras, Francisco/0000-0003-4295-5668; Ragazzi, Stefano/0000-0001-8219-2074; TUVE', Cristina/0000-0003-0739-3153; KIM, Tae Jeong/0000-0001-8336-2434; Russ, James/0000-0001-9856-9155; Dahms, Torsten/0000-0003-4274-5476; Hektor, Andi/0000-0001-7873-8118; Grandi, Claudio/0000-0001-5998-3070; Lazzizzera, Ignazio/0000-0001-5092-7531; Sen, Sercan/0000-0001-7325-1087; D'Alessandro, Raffaello/0000-0001-7997-0306; Belyaev, Alexander/0000-0002-1733-4408; Trocsanyi, Zoltan/0000-0002-2129-1279; Konecki, Marcin/0000-0001-9482-4841; Cerrada, Marcos/0000-0003-0112-1691; Scodellaro, Luca/0000-0002-4974-8330; Calvo Alamillo, Enrique/0000-0002-1100-2963; Paulini, Manfred/0000-0002-6714-5787; Vogel, Helmut/0000-0002-6109-3023; Marinho, Franciole/0000-0002-7327-0349; Ferguson, Thomas/0000-0001-5822-3731; Benussi, Luigi/0000-0002-2363-8889; Rolandi, Luigi (Gigi)/0000-0002-0635-274X; Ivanov, Andrew/0000-0002-9270-5643; Hill, Christopher/0000-0003-0059-0779; Dogangun, Oktay/0000-0002-1255-2211; Troitsky, Sergey/0000-0001-6917-6600; Codispoti, Giuseppe/0000-0003-0217-7021; Wulz, Claudia-Elisabeth/0000-0001-9226-5812; de Jesus Damiao, Dilson/0000-0002-3769-1680; Montanari, Alessandro/0000-0003-2748-6373; Amapane, Nicola/0000-0001-9449-2509; Mundim, Luiz/0000-0001-9964-7805; Tomei, Thiago/0000-0002-1809-5226; Focardi, Ettore/0000-0002-3763-5267; Novaes, Sergio/0000-0003-0471-8549; Azzi, Patrizia/0000-0002-3129-828X; Mercier, Damien/0000-0001-5063-7067; Gallinaro, Michele/0000-0003-1261-2277; Tabarelli de Fatis, Tommaso/0000-0001-6262-4685; Lenzi, Piergiulio/0000-0002-6927-8807; Gutsche, Oliver/0000-0002-8015-9622; Raval, Amita/0000-0003-0164-4337; Torassa, Ezio/0000-0003-2321-0599; CHANG, PAO-TI/0000-0003-4064-388X; Luukka, Panja/0000-0003-2340-4641; Sogut, Kenan/0000-0002-9682-2855 FU Austrian Federal Ministry of Science and Research; Belgium Fonds de la Recherche Scientifique; Brazilian Funding Agency (CNPq); Brazilian Funding Agency (CAPES); Brazilian Funding Agency (FAPERJ); Brazilian Funding Agency (FAPESP); Bulgarian Ministry of Education and Science; Chinese Academy of Sciences; Colombian Funding Agency (COLCIENCIAS); Croatian Ministry of Science, Education and Sport; Research Promotion Foundation, Cyprus; Estonian Academy of Sciences and NICPB; Academy of Finland, Finnish Ministry of Education and Culture, and Helsinki Institute of Physics; Institut National de Physique Nucleaire et de Physique des Particules/CNRS; Commissariat a l'Energie Atomique et aux Energies Alternatives/CEA, France; Bundesministerium fur Bildung und Forschung; Deutsche Forschungsgemeinschaft; Helmholtz-Gemeinschaft Deutscher Forschungszentren, Germany; General Secretariat for Research and Technology, Greece; National Scientific Research Foundation; National Office for Research and Technology, Hungary; Department of Atomic Energy; Department of Science and Technology, India; Institute for Studies in Theoretical Physics and Mathematics, Iran; Science Foundation, Ireland; Istituto Nazionale di Fisica Nucleare, Italy; Korean Ministry of Education, Science and Technology; NRF, Korea; Lithuanian Academy of Sciences; Mexican Funding Agency (CINVESTAV); Mexican Funding Agency (CONACYT); Mexican Funding Agency (SEP); Mexican Funding Agency (UASLP-FAI); Ministry of Science and Innovation, New Zealand; Pakistan Atomic Energy Commission; State Commission for Scientific Research, Poland; Fundacao para a Ciencia e a Tecnologia, Portugal; JINR (Armenia, Belarus, Georgia, Ukraine, Uzbekistan); Ministry of Science and Technologies of the Russian Federation; Russian Ministry of Atomic Energy; Russian Foundation for Basic Research; Ministry of Science and Technological Development of Serbia; Ministerio de Ciencia e Innovacion; Programa Consolider-Ingenio 2010, Spain; Swiss Funding Agency (ETH Board); Swiss Funding Agency (ETH Zurich); Swiss Funding Agency (PSI); Swiss Funding Agency (SNF); Swiss Funding Agency (UniZH); Swiss Funding Agency (Canton Zurich); Swiss Funding Agency (SER); National Science Council, Taipei; Scientific and Technical Research Council of Turkey; Turkish Atomic Energy Authority; Science and Technology Facilities Council, UK; US Department of Energy; US National Science Foundation; Marie-Curie programme; European Research Council (European Union); Leventis Foundation; A. P. Sloan Foundation; Alexander von Humboldt Foundation; Belgian Federal Science Policy Office; Fonds pour la Formation a la Recherche dans l'Industrie et dans l'Agriculture (FRIA-Belgium); Agentschap voor Innovatie door Wetenschap en Technologie (IWT-Belgium); Council of Science and Industrial Research, India; Fonds voor Wetenschappelijk Onderzoek; Ministry of Science and Technology; National Natural Science Foundation of China; CERN FX We would like to thank Kirill Melnikov and Alessandro Vicini for useful discussions of NLO QCD and EWK effects. We wish to congratulate our colleagues in the CERN accelerator departments for the excellent performance of the LHC machine. We thank the technical and administrative staff at CERN and other CMS institutes. This work was supported by the Austrian Federal Ministry of Science and Research; the Belgium Fonds de la Recherche Scientifique, and Fonds voor Wetenschappelijk Onderzoek; the Brazilian Funding Agencies (CNPq, CAPES, FAPERJ, and FAPESP); the Bulgarian Ministry of Education and Science; CERN; the Chinese Academy of Sciences, Ministry of Science and Technology, and National Natural Science Foundation of China; the Colombian Funding Agency (COLCIENCIAS); the Croatian Ministry of Science, Education and Sport; the Research Promotion Foundation, Cyprus; the Estonian Academy of Sciences and NICPB; the Academy of Finland, Finnish Ministry of Education and Culture, and Helsinki Institute of Physics; the Institut National de Physique Nucleaire et de Physique des Particules/CNRS, and Commissariat a l'Energie Atomique et aux Energies Alternatives/CEA, France; the Bundesministerium fur Bildung und Forschung, Deutsche Forschungsgemeinschaft, and Helmholtz-Gemeinschaft Deutscher Forschungszentren, Germany; the General Secretariat for Research and Technology, Greece; the National Scientific Research Foundation, and National Office for Research and Technology, Hungary; the Department of Atomic Energy and the Department of Science and Technology, India; the Institute for Studies in Theoretical Physics and Mathematics, Iran; the Science Foundation, Ireland; the Istituto Nazionale di Fisica Nucleare, Italy; the Korean Ministry of Education, Science and Technology and the World Class University program of NRF, Korea; the Lithuanian Academy of Sciences; the Mexican Funding Agencies (CINVESTAV, CONACYT, SEP, and UASLP-FAI); the Ministry of Science and Innovation, New Zealand; the Pakistan Atomic Energy Commission; the State Commission for Scientific Research, Poland; the Fundacao para a Ciencia e a Tecnologia, Portugal; JINR (Armenia, Belarus, Georgia, Ukraine, Uzbekistan); the Ministry of Science and Technologies of the Russian Federation, the Russian Ministry of Atomic Energy and the Russian Foundation for Basic Research; the Ministry of Science and Technological Development of Serbia; the Ministerio de Ciencia e Innovacion, and Programa Consolider-Ingenio 2010, Spain; the Swiss Funding Agencies (ETH Board, ETH Zurich, PSI, SNF, UniZH, Canton Zurich, and SER); the National Science Council, Taipei; the Scientific and Technical Research Council of Turkey, and Turkish Atomic Energy Authority; the Science and Technology Facilities Council, UK; the US Department of Energy, and the US National Science Foundation. Individuals have received support from the Marie-Curie programme and the European Research Council (European Union); the Leventis Foundation; the A. P. Sloan Foundation; the Alexander von Humboldt Foundation; the Belgian Federal Science Policy Office; the Fonds pour la Formation a la Recherche dans l'Industrie et dans l'Agriculture (FRIA-Belgium); the Agentschap voor Innovatie door Wetenschap en Technologie (IWT-Belgium); and the Council of Science and Industrial Research, India. NR 39 TC 21 Z9 21 U1 0 U2 61 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 2470-0010 EI 2470-0029 J9 PHYS REV D JI Phys. Rev. D PD DEC 8 PY 2011 VL 84 IS 11 AR 112002 DI 10.1103/PhysRevD.84.112002 PG 23 WC Astronomy & Astrophysics; Physics, Particles & Fields SC Astronomy & Astrophysics; Physics GA 860GM UT WOS:000297936800001 ER PT J AU Sun, ZZ Xiao, K Keum, JK Yu, X Hong, KL Browning, J Ivanov, IN Chen, JH Alonzo, J Li, DW Sumpter, BG Payzant, EA Rouleau, CM Geohegan, DB AF Sun, Zhenzhong Xiao, Kai Keum, Jong Kahk Yu, Xiang Hong, Kunlun Browning, Jim Ivanov, Ilia N. Chen, Jihua Alonzo, Jose Li, Dawen Sumpter, Bobby G. Payzant, Edward A. Rouleau, Christopher M. Geohegan, David B. TI PS-b-P3HT Copolymers as P3HT/PCBM Interfacial Compatibilizers for High Efficiency Photovoltaics SO ADVANCED MATERIALS LA English DT Article DE diblock copolymer; P3HT; PCBM; compatibilizer; organic photovoltaics; neutron reflectivity ID POLYMER SOLAR-CELLS; BLOCK-COPOLYMERS; PERFORMANCE; MORPHOLOGY; DIBLOCK; POLYTHIOPHENE AB A conducting diblock copolymer of PS-b-P3HT was added to serve as a compatibilizer in a P3HT/PCBM blend, which improved the power-conversion efficiency from 3.3% to 4.1% due to the enhanced crystallinity, morphology, interface interaction, and depth profile of PCBM. C1 [Xiao, Kai; Yu, Xiang; Hong, Kunlun; Ivanov, Ilia N.; Chen, Jihua; Sumpter, Bobby G.; Payzant, Edward A.; Rouleau, Christopher M.; Geohegan, David B.] Oak Ridge Natl Lab, Ctr Nanophase Mat Sci, Oak Ridge, TN 37831 USA. [Sun, Zhenzhong; Li, Dawen] Univ Alabama, Dept Elect & Comp Engn, Ctr Mat Informat Technol, Tuscaloosa, AL 35487 USA. [Keum, Jong Kahk; Browning, Jim; Alonzo, Jose] Oak Ridge Natl Lab, Neutron Scattering Sci Div, Oak Ridge, TN 37831 USA. [Sumpter, Bobby G.] Oak Ridge Natl Lab, Comp Sci & Math Div, Oak Ridge, TN 37831 USA. RP Xiao, K (reprint author), Oak Ridge Natl Lab, Ctr Nanophase Mat Sci, Oak Ridge, TN 37831 USA. EM xiaok@ornl.gov; dawenl@eng.ua.edu RI Payzant, Edward/B-5449-2009; Xiao, Kai/A-7133-2012; Sumpter, Bobby/C-9459-2013; Chen, Jihua/F-1417-2011; ivanov, ilia/D-3402-2015; Rouleau, Christopher/Q-2737-2015; Keum, Jong/N-4412-2015; Geohegan, David/D-3599-2013; Hong, Kunlun/E-9787-2015 OI Payzant, Edward/0000-0002-3447-2060; Xiao, Kai/0000-0002-0402-8276; Sumpter, Bobby/0000-0001-6341-0355; Chen, Jihua/0000-0001-6879-5936; ivanov, ilia/0000-0002-6726-2502; Rouleau, Christopher/0000-0002-5488-3537; Keum, Jong/0000-0002-5529-1373; Geohegan, David/0000-0003-0273-3139; Hong, Kunlun/0000-0002-2852-5111 FU Oak Ridge National Laboratory by the Offi ce of Basic Energy Sciences, U.S. Department of Energy; University of Alabama; DOE [5388] FX This research was conducted at the Center for Nanophase Materials Sciences, which is sponsored at Oak Ridge National Laboratory by the Offi ce of Basic Energy Sciences, U.S. Department of Energy. DL and ZS acknowledge partial support provided from the University of Alabama. JA, JC, and BGS acknowledge partial support provided DOE Laboratory Directed Research and Development (LDRD) award (#5388). Neutron Refl ectometry measurements were performed on the Liquids Refl ectometer at the Spallation Neutron Source, Oak Ridge National Laboratory which is also sponsored by the Offi ce of Basic Energy Sciences, U. S. Department of Energy. NR 33 TC 59 Z9 59 U1 3 U2 72 PU WILEY-BLACKWELL PI MALDEN PA COMMERCE PLACE, 350 MAIN ST, MALDEN 02148, MA USA SN 0935-9648 J9 ADV MATER JI Adv. Mater. PD DEC 8 PY 2011 VL 23 IS 46 BP 5529 EP + DI 10.1002/adma.201103361 PG 8 WC Chemistry, Multidisciplinary; Chemistry, Physical; Nanoscience & Nanotechnology; Materials Science, Multidisciplinary; Physics, Applied; Physics, Condensed Matter SC Chemistry; Science & Technology - Other Topics; Materials Science; Physics GA 855OG UT WOS:000297573400010 PM 22095908 ER PT J AU Devarajan, A Windus, TL Gordon, MS AF Devarajan, Ajitha Windus, Theresa L. Gordon, Mark S. TI Implementation of Dynamical Nucleation Theory Effective Fragment Potentials Method for Modeling Aerosol Chemistry SO JOURNAL OF PHYSICAL CHEMISTRY A LA English DT Article ID DISTRIBUTED DATA INTERFACE; TRANSITION-STATE THEORY; 2ND VIRIAL-COEFFICIENT; BENZENE DIMER; WATER; PHOTODISSOCIATION; FLUORINATION; SENSITIVITY; MOLECULES; CLUSTERS AB In this work, the dynamical nucleation theory (DNT) model using the ab initio based effective fragment potential (EFP) is implemented for evaluating the evaporation rate constant and molecular properties of molecular dusters. Predicting the nucleation rates of aerosol particles in different chemical environments is a key step toward understanding the dynamics of complex aerosol chemistry. Therefore, molecular scale models of nanoclusters are required to understand the macroscopic nucleation process. On the basis of variational transition state theory, DNT provides an efficient approach to predict nucleation kinetics. While most DNT Monte Carlo simulations use analytic potentials to model critical sized clusters, or use ab initio potentials to model very small clusters, the DNTEFP Monte Carlo method presented here can treat up to critical sized clusters using the effective fragment potential (EFP), a rigorous nonempirical intermolecular model potential based on ab initio electronic structure theory calculations, improvable in a systematic manner. The DNTEFP method is applied to study the evaporation rates, energetics, and structure factors of multicomponent clusters containing water and isoprene. The most probable topology of the transition state characterizing the evaporation of one water molecule from a water hexamer at 243 K is predicted to be a conformer that contains six hydrogen bonds, with a topology that corresponds to two water molecules stacked on top of a quadrangular (H(2)O)(4) cluster. For the water hexamer in the presence of isoprene, an increase in the cluster size and a 3-fold increase in the evaporation rate are predicted relative to the reaction in which one water molecule evaporates from a water hemmer cluster. C1 [Gordon, Mark S.] Iowa State Univ, Dept Chem, Ames, IA 50011 USA. Iowa State Univ, Ames Lab, Ames, IA 50011 USA. RP Gordon, MS (reprint author), Iowa State Univ, Dept Chem, Ames, IA 50011 USA. EM mark@si.msg.chem.iastate.edu FU Ames Laboratory; Iowa State University; U.S. Department of energy (DOE) Office of Basic Energy Sciences; Chemical Sciences program; U.S. DOE Office of Advanced Scientific Computing Research FX The authors acknowledge Ames Laboratory and Iowa State University for providing funding and computational resources. This work was also supported by the U.S. Department of energy (DOE) Office of Basic Energy Sciences, Chemical Sciences program, and the U.S. DOE Office of Advanced Scientific Computing Research. This work was performed in part using the Molecular Science Computing Facility (MSCF) in the William R Wiley Environmental Molecular Sciences Laboratory, a DOE national scientific user facility located at the Pacific Northwest National Laboratory (PNNL). PNNL is operated by Battelle for the U.S. Department of Energy. NR 56 TC 2 Z9 2 U1 1 U2 12 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 1089-5639 J9 J PHYS CHEM A JI J. Phys. Chem. A PD DEC 8 PY 2011 VL 115 IS 48 BP 13987 EP 13996 DI 10.1021/jp207429r PG 10 WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical SC Chemistry; Physics GA 853SK UT WOS:000297445800001 PM 21999817 ER PT J AU Selinger, RLB Konya, A Travesset, A Selinger, JV AF Selinger, Robin L. Blumberg Konya, Andrew Travesset, Alex Selinger, Jonathan V. TI Monte Carlo Studies of the XY Model on Two-Dimensional Curved Surfaces SO JOURNAL OF PHYSICAL CHEMISTRY B LA English DT Article ID ORIENTATIONAL ORDER; MEMBRANES AB To explore the interaction between topological defects and curvature in materials with orientational order, we perform Monte Carlo studies of the two-dimensional XY model on the surface of curved substrates. Each curved surface is patterned with a random lattice constructed via random sequential absorption, and an XY spin is positioned at each lattice site. Spins lie in the plane locally tangent to the surface and interact with neighbors defined via a distance cutoff. We demonstrate that the relative phase associated with vortices is significant in curved geometries and plays a role in microstructural evolution. We also observe that any nonuniform curvature, e.g., on the surface of a torus, induces spontaneous segregation of positive and negative vortices and promotes the formation of deeply metastable defect microstructures. Though qualitative in nature, these observations provide novel insights into the patterning of topological defects in curved geometries and suggest that the Kosterlitz-Thouless transition maybe altered in geometries with nonuniform curvature. C1 [Selinger, Robin L. Blumberg; Konya, Andrew; Selinger, Jonathan V.] Kent State Univ, Inst Liquid Crystal, Kent, OH 44242 USA. [Travesset, Alex] Iowa State Univ, Dept Phys & Astron, Ames, IA 50011 USA. [Travesset, Alex] Iowa State Univ, Ames Lab, Ames, IA 50011 USA. RP Selinger, RLB (reprint author), Kent State Univ, Inst Liquid Crystal, Kent, OH 44242 USA. EM rselinge@kent.edu OI Selinger, Robin/0000-0002-6519-9685 FU Institute for Complex Adaptive Matter; [NSF-DMR-0605889]; [NSF-DMR-0748475] FX This work is supported by NSF-DMR-0605889 and NSF-DMR-0748475 and the Branches Cost Sharing Fund of the Institute for Complex Adaptive Matter. NR 17 TC 22 Z9 23 U1 0 U2 12 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 1520-6106 J9 J PHYS CHEM B JI J. Phys. Chem. B PD DEC 8 PY 2011 VL 115 IS 48 BP 13989 EP 13993 DI 10.1021/jp205128g PG 5 WC Chemistry, Physical SC Chemistry GA 853SO UT WOS:000297446200002 PM 21970652 ER PT J AU Pelton, M Wang, YL Gosztola, D Sader, JE AF Pelton, Matthew Wang, Yiliang Gosztola, David Sader, John E. TI Mechanical Damping of Longitudinal Acoustic Oscillations of Metal Nanoparticles in Solution SO JOURNAL OF PHYSICAL CHEMISTRY C LA English DT Article ID SINGLE GOLD NANORODS; TRANSIENT ABSORPTION; COHERENT EXCITATION; VIBRATIONAL-MODES; SILVER NANOCUBES; RESONATORS; ULTRAFAST; TIME; DISSIPATION; PARTICLES AB We present measurements and theoretical analysis of the damping of high-frequency acoustic vibrations of metal nanoparticles immersed in solution. Building on our previous work [Pelton, M.; Sader, J. E.; Burgin, J.; Liu, M.; Guyot-Sionnest, P.; Gosztola, D. Nat. Nanotechnol. 2009, 4, 492-495], we study several bipyramidal gold nanoparticle samples in a series of solvent environments in order to examine the origin of the measured damping. We use a fluid-structure interaction model to explain the damping due to the fluid surrounding the nanoparticles, extending the model to encompass the case of an arbitrary slender body. Good agreement with the theoretical model is found for a range of pure solvents and solvent mixtures, demonstrating that classical continuum theories for fluid mechanics are able to quantify high-frequency phenomena at the nanoscale. The remaining damping rate, which can be attributed to processes intrinsic to the nanoparticles, is consistent across all the measured samples. This demonstrates that the measured intrinsic damping is indeed a characteristic property of these bipyramidal metal nanoparticles, rather than being sample dependent. C1 [Pelton, Matthew; Wang, Yiliang; Gosztola, David] Argonne Natl Lab, Ctr Nanoscale Mat, Argonne, IL 60439 USA. [Sader, John E.] Univ Melbourne, Dept Math & Stat, Melbourne, Vic 3010, Australia. RP Pelton, M (reprint author), Argonne Natl Lab, Ctr Nanoscale Mat, 9700 S Cass Ave, Argonne, IL 60439 USA. EM pelton@anl.gov RI Pelton, Matthew/H-7482-2013; Gosztola, David/D-9320-2011 OI Pelton, Matthew/0000-0002-6370-8765; Gosztola, David/0000-0003-2674-1379 FU U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences [DE-AC02-06CH11357]; Australian Research Council FX We thank Mingzhao Liu, Philippe Guyot-Sionnest, and Julien Burgin for their essential contributions to earlier stages of this project. Work at the Center for Nanoscale Materials was supported by the U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences, under Contract No. DE-AC02-06CH11357. J.E.S. acknowledges support from the Australian Research Council Grants Scheme. NR 38 TC 16 Z9 16 U1 0 U2 26 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 1932-7447 J9 J PHYS CHEM C JI J. Phys. Chem. C PD DEC 8 PY 2011 VL 115 IS 48 BP 23732 EP 23740 DI 10.1021/jp207971t PG 9 WC Chemistry, Physical; Nanoscience & Nanotechnology; Materials Science, Multidisciplinary SC Chemistry; Science & Technology - Other Topics; Materials Science GA 853SP UT WOS:000297446300012 ER PT J AU Kusachi, Y Zhang, ZC Dong, J Amine, K AF Kusachi, Yuki Zhang, Zhengcheng Dong, Jian Amine, Khalil TI Electrode Surface Film Formation in Tris(ethylene glycol)-Substituted Trimethylsilane-Lithium Bis(oxalate)borate Electrolyte SO JOURNAL OF PHYSICAL CHEMISTRY C LA English DT Article ID LI-ION BATTERIES; RAY PHOTOELECTRON-SPECTROSCOPY; LIBOB-BASED ELECTROLYTES; FREE GRAPHITE-ELECTRODES; INTERCALATION PROCESSES; CARBONACEOUS MATERIALS; ELEVATED-TEMPERATURE; XPS ANALYSIS; CHEMISTRY; INTERPHASE AB One of the silicon-based electrolytes, tris(ethylene glycol)-substituted trimethylsilane (1NM3)-lithium bis(oxalate)borate (LiBOB), is studied as an electrolyte for the LiMn2O4 cathode and graphite anode cell. The solid electrolyte interface (SEI) characteristics and chemical components of both electrodes were investigated by X-ray photoelectron spectroscopy and X-ray diffraction. It was found that SET components on the anode are similar to those using carbonate-LiBOB electrolyte, which consists of lithium oxalate, lithium borooxalate, and LixBOy. Moreover, we demonstrated that 1NM3-LiPF6 electrolyte, which lacks an SEI formation function, could not maintain the graphite structure during the electrochemical process. Therefore, it is evident that the 1NM3 LiBOB combination and its suitable SET film formation capability are vital to the lithium ion battery with graphite as the anode. C1 [Zhang, Zhengcheng; Dong, Jian; Amine, Khalil] Argonne Natl Lab, Chem Sci & Engn Div, Argonne, IL 60439 USA. [Kusachi, Yuki] Nissan Motor Co Ltd, EV Energy Dev, Kanagawa 2378523, Japan. RP Zhang, ZC (reprint author), Argonne Natl Lab, Chem Sci & Engn Div, 9700 S Cass Ave, Argonne, IL 60439 USA. EM zzhang@anl.gov; amine@anl.gov RI Amine, Khalil/K-9344-2013 FU EnerDel Inc.; Nissan Motor Co. Inc.; [DE-AC02-06CH11357] FX This research is supported by EnerDel Inc. and Nissan Motor Co. Inc. SEM and XPS measurements were performed at the Electron Probe Instrumentation Center (EPIC) and Keck Interdisciplinary Surface Science Center at Northwestern University, respectively. We thank Professor Harold Kung of Northwestern University for his useful discussions on the XPS and SEM analysis. The submitted manuscript was created by UChicago Argonne, LLC, Operator of Argonne National Laboratory ("Argonne"). Argonne, a U.S. Department of Energy Office of Science laboratory, is operated under Contract DE-AC02-06CH11357. NR 54 TC 15 Z9 15 U1 0 U2 31 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 1932-7447 J9 J PHYS CHEM C JI J. Phys. Chem. C PD DEC 8 PY 2011 VL 115 IS 48 BP 24013 EP 24020 DI 10.1021/jp205910b PG 8 WC Chemistry, Physical; Nanoscience & Nanotechnology; Materials Science, Multidisciplinary SC Chemistry; Science & Technology - Other Topics; Materials Science GA 853SP UT WOS:000297446300046 ER PT J AU Chen, QL Huang, TW Baldini, M Hushur, A Pomjakushin, V Clark, S Mao, WL Manghnani, MH Braun, A Graule, T AF Chen, Qianli Huang, Tzu-Wen Baldini, Maria Hushur, Anwar Pomjakushin, Vladimir Clark, Simon Mao, Wendy L. Manghnani, Murli H. Braun, Artur Graule, Thomas TI Effect of Compressive Strain on the Raman Modes of the Dry and Hydrated BaCe0.8Y0.2O3 Proton Conductor SO JOURNAL OF PHYSICAL CHEMISTRY C LA English DT Article ID QUASI-ELASTIC NEUTRON; HIGH-PRESSURE; HIGH-TEMPERATURE; SCATTERING; BACEO3; SPECTROSCOPY; PEROVSKITES; CERAMICS; HYDROGEN; OXIDES AB The BaCe0.8Y0.2O3-delta proton conductor under hydration and under compressive strain has been analyzed with high-pressure Raman spectroscopy and high-pressure X-ray diffraction. The pressure-dependent variation of the A(g) and B-2g bending modes from the O-Ce-O unit is suppressed when the proton conductor is hydrated, affecting directly the proton transfer by locally changing the electron density of the oxygen ions. Compressive strain causes a hardening of the Ce-O stretching bond, with the pressure coefficient Delta v/Delta p = 4.32 +/- 0.05 cm(-1)/GPa being the same for the dry and hydrated sample. As a result of this hardening of the lattice vibrations, the activation barrier for proton conductivity is raised, in line with recent findings using high-pressure and high-temperature impedance spectroscopy. Hydration also offsets slightly the Ce-O B-1g and B-3g stretching modes by similar to 2cm(-1) toward higher wave numbers, revealing an increase in the bond strength of Ce-O. The (20-2) Bragg reflections do not change during pressurizing and thus reveal that the oxygen occupying the O2 site displaces only along the b axis. The increasing Raman frequency of the B-1g and B-3g modes thus implies that the phonons become hardened and increase the vibration energy in the a-c crystal plane upon compressive strain, whereas phonons are relaxed in the b axis and thus reveal softening of the A(g) and B-2g modes. Lattice toughening in the a-c crystal plane raises therefore a higher activation barrier for proton transfer and thus anisotropic conductivity. Particularly for the development of epitaxial strained proto-conducting thin film devices with lower activation energy, such anisotropy has to be taken quantitatively into account. The experimental findings of the interaction of protons with the ceramic host lattice under external strain may provide a general guideline for yet to develop epitaxial strained proton-conducting thin film systems with high proton mobility and low activation energy. C1 [Chen, Qianli; Huang, Tzu-Wen; Braun, Artur; Graule, Thomas] Empa Swiss Fed Labs Mat Sci & Technol, Lab High Performance Ceram, CH-8600 Dubendorf, Switzerland. [Chen, Qianli] Swiss Fed Inst Technol, Swiss Fed Inst Technol, Dept Phys, CH-8057 Zurich, Switzerland. [Baldini, Maria; Mao, Wendy L.] Stanford Univ, Stanford, CA 94305 USA. [Baldini, Maria; Mao, Wendy L.] SLAC Natl Accelerator Lab, Stanford Inst Mat & Energy Sci, Menlo Pk, CA 94025 USA. [Hushur, Anwar; Manghnani, Murli H.] Univ Hawaii Manoa, Hawaii Inst Geophys, Honolulu, HI 96822 USA. [Braun, Artur] Univ Hawaii Manoa, Hawaii Nat Energy Inst, Honolulu, HI 96822 USA. [Pomjakushin, Vladimir] Paul Scherrer Inst, Neutron Scattering Lab, CH-5232 Villigen, Switzerland. [Clark, Simon] LBNL, Adv Light Source, Berkeley, CA 94720 USA. [Graule, Thomas] TU Bergakad Freiberg, Inst Ceram Glass & Construct Mat, D-09596 Freiberg, Germany. RP Chen, QL (reprint author), Empa Swiss Fed Labs Mat Sci & Technol, Lab High Performance Ceram, CH-8600 Dubendorf, Switzerland. EM qianlichen1@gmail.com; artur.braun@alumni.ethz.ch RI Mao, Wendy/D-1885-2009; Chen, Qianli/D-9878-2013; Pomjakushin, Vladimir/J-6259-2014; BRAUN, Artur/A-1154-2009; Clark, Simon/B-2041-2013 OI Pomjakushin, Vladimir/0000-0003-2180-8730; BRAUN, Artur/0000-0002-6992-7774; Clark, Simon/0000-0002-7488-3438 FU Swiss National Science Foundation [SNF 200021-124812]; SNF [IZK0Z2-133944]; European Union [256885]; U.S. National Science Foundation [0538884]; Office of Science, Office of Basic Energy Sciences of the U.S. Department of Energy [DE-AC02-05CH11231] FX Financial support for Q.C. by Swiss National Science Foundation grant no. SNF 200021-124812, for A.B. by SNF no. IZK0Z2-133944, for T.-W. H. by European Union SOFC-Life project no. 256885, and for A.H. and M.M. by the U.S. National Science Foundation grant no. 0538884 is gratefully acknowledged. Technical assistance at high-pressure XRD by Edvinas Navickas (Kaunas University of Technology) is gratefully acknowledged. The ALS is supported by the Director, Office of Science, Office of Basic Energy Sciences of the U.S. Department of Energy under contract no. DE-AC02-05CH11231. This work is based on experiments performed at the Swiss Spallation Neutron Source SINQ, Paul Scherrer Institut, Villigen, Switzerland. NR 28 TC 7 Z9 7 U1 1 U2 26 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 1932-7447 J9 J PHYS CHEM C JI J. Phys. Chem. C PD DEC 8 PY 2011 VL 115 IS 48 BP 24021 EP 24027 DI 10.1021/jp208525j PG 7 WC Chemistry, Physical; Nanoscience & Nanotechnology; Materials Science, Multidisciplinary SC Chemistry; Science & Technology - Other Topics; Materials Science GA 853SP UT WOS:000297446300047 ER PT J AU Ganeshan, S Sinitsyn, NA AF Ganeshan, Sriram Sinitsyn, N. A. TI Fluctuation relations for current components in mesoscopic electric circuits SO PHYSICAL REVIEW B LA English DT Article ID STATISTICS; NETWORKS; THEOREM AB We present a newclass of fluctuation relations, which we refer to as fluctuation relations for current components (FRCCs). FRCCs can be used to estimate system parameters when complete information about nonequilibrium many-body electron interactions is unavailable. We show that FRCCs often are robust in the sense that they do not depend on some basic types of electron interactions and some quantum coherence effects. C1 [Ganeshan, Sriram] SUNY Stony Brook, Dept Phys & Astron, Stony Brook, NY 11794 USA. [Sinitsyn, N. A.] Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA. [Ganeshan, Sriram; Sinitsyn, N. A.] New Mexico Consortium, Los Alamos, NM 87544 USA. RP Ganeshan, S (reprint author), SUNY Stony Brook, Dept Phys & Astron, Stony Brook, NY 11794 USA. RI Ganeshan, Sriram/H-6547-2013 FU DOE [DE-AC52-06NA25396]; NSF [ECCS-0925618] FX The authors thank D. Andrieux for a useful discussion. The work at LANL was carried out under DOE Contract No. DE-AC52-06NA25396. Work at NMC was supported by the NSF under Grant No. ECCS-0925618. NR 37 TC 12 Z9 12 U1 0 U2 4 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 2469-9950 EI 2469-9969 J9 PHYS REV B JI Phys. Rev. B PD DEC 8 PY 2011 VL 84 IS 24 AR 245405 DI 10.1103/PhysRevB.84.245405 PG 10 WC Physics, Condensed Matter SC Physics GA 858MN UT WOS:000297802500004 ER PT J AU Mothe, B Llano, A Ibarrondo, J Daniels, M Miranda, C Zamarreno, J Bach, V Zuniga, R Perez-Alvarez, S Berger, CT Puertas, MC Martinez-Picado, J Rolland, M Farfan, M Szinger, JJ Hildebrand, WH Yang, OO Sanchez-Merino, V Brumme, CJ Brumme, ZL Heckerman, D Allen, TM Mullins, JI Gomez, G Goulder, PJ Walker, BD Gatell, JM Clotet, B Korber, BT Sanchez, J Brander, C AF Mothe, Beatriz Llano, Anuska Ibarrondo, Javier Daniels, Marcus Miranda, Cristina Zamarreno, Jennifer Bach, Vanessa Zuniga, Rosario Perez-Alvarez, Susana Berger, Christoph T. Puertas, Maria C. Martinez-Picado, Javier Rolland, Morgane Farfan, Marilu Szinger, James J. Hildebrand, William H. Yang, Otto O. Sanchez-Merino, Victor Brumme, Chanson J. Brumme, Zabrina L. Heckerman, David Allen, Todd M. Mullins, James I. Gomez, Guadalupe Goulder, Philip J. Walker, Bruce D. Gatell, Jose M. Clotet, Bonaventura Korber, Bette T. Sanchez, Jorge Brander, Christian TI Definition of the viral targets of protective HIV-1-specific T cell responses SO JOURNAL OF TRANSLATIONAL MEDICINE LA English DT Article DE HIV specific CTL; clade B; clade C; HLA; vaccine immunogen design; functional avidity; epitope; entropy; immune correlate ID HUMAN-IMMUNODEFICIENCY-VIRUS; CLASS-I; HLA-B; FUNCTIONAL-AVIDITY; SELECTION PRESSURE; HIV-1 INFECTION; LYMPHOCYTE RESPONSES; TYPE-1 REPLICATION; IMMUNE CONTROL; CTL RESPONSES AB Background: The efficacy of the CTL component of a future HIV-1 vaccine will depend on the induction of responses with the most potent antiviral activity and broad HLA class I restriction. However, current HIV vaccine designs are largely based on viral sequence alignments only, not incorporating experimental data on T cell function and specificity. Methods: Here, 950 untreated HIV-1 clade B or -C infected individuals were tested for responses to sets of 410 overlapping peptides (OLP) spanning the entire HIV-1 proteome. For each OLP, a "protective ratio" (PR) was calculated as the ratio of median viral loads (VL) between OLP non-responders and responders. Results: For both clades, there was a negative relationship between the PR and the entropy of the OLP sequence. There was also a significant additive effect of multiple responses to beneficial OLP. Responses to beneficial OLP were of significantly higher functional avidity than responses to non-beneficial OLP. They also had superior in-vitro antiviral activities and, importantly, were at least as predictive of individuals' viral loads than their HLA class I genotypes. Conclusions: The data thus identify immunogen sequence candidates for HIV and provide an approach for T cell immunogen design applicable to other viral infections. C1 [Mothe, Beatriz; Llano, Anuska; Ibarrondo, Javier; Zamarreno, Jennifer; Bach, Vanessa; Perez-Alvarez, Susana; Puertas, Maria C.; Martinez-Picado, Javier; Clotet, Bonaventura; Brander, Christian] Irsicaixa AIDS Res Inst HIVACAT, Badalona, Spain. [Mothe, Beatriz; Miranda, Cristina; Clotet, Bonaventura] Hosp Badalona Germans Trias & Pujol, Lluita SIDA Fdn, Badalona, Spain. [Mothe, Beatriz] Univ Autonoma Barcelona, E-08193 Barcelona, Spain. [Daniels, Marcus; Szinger, James J.; Korber, Bette T.] Los Alamos Natl Lab, Los Alamos, NM USA. [Zuniga, Rosario; Farfan, Marilu; Sanchez, Jorge] Asociac Civil IMPACTA Salud & Educ, Lima, Peru. [Perez-Alvarez, Susana] Univ Politecn Cataluna, Dept Estadist & Invest Operat, Barcelona, Spain. [Berger, Christoph T.; Allen, Todd M.; Walker, Bruce D.] Ragon Inst MGH Harvard & MIT, Boston, MA USA. [Martinez-Picado, Javier; Brander, Christian] ICREA, Barcelona, Spain. [Rolland, Morgane] MHRP, Frederick, MD USA. [Hildebrand, William H.] Univ Oklahoma, Med Ctr, Oklahoma City, OK USA. [Yang, Otto O.] Univ Calif Los Angeles, Los Angeles, CA USA. [Sanchez-Merino, Victor; Gatell, Jose M.] Hosp Clin Barcelona, Serv Immunol, Barcelona, Spain. [Sanchez-Merino, Victor; Gatell, Jose M.] Hosp Clin Barcelona, HIVACAT, AIDS Res Grp, Inst Invest Biomed August Pi & Sunyer IDIBAPS, Barcelona, Spain. [Brumme, Chanson J.; Brumme, Zabrina L.] British Columbia Ctr Excellence HIV AIDS, Vancouver, BC, Canada. [Brumme, Zabrina L.] Simon Fraser Univ, Burnaby, BC V5A 1S6, Canada. [Heckerman, David] Miscrosoft Res, Redmond, WA USA. [Mullins, James I.; Gomez, Guadalupe] Univ Washington, Dept Microbiol, Seattle, WA 98195 USA. [Goulder, Philip J.] Nuffield Dept Med, Dept Paediat, Oxford, England. [Goulder, Philip J.; Walker, Bruce D.] Univ KwaZulu Natal, HIV Pathogenesis Program, DDMRI, Durban, South Africa. [Walker, Bruce D.] Howard Hughes Med Inst, Chevy Chase, MD USA. [Korber, Bette T.] Santa Fe Inst, Santa Fe, NM 87501 USA. RP Brander, C (reprint author), Irsicaixa AIDS Res Inst HIVACAT, Badalona, Spain. EM cbrander@irsicaixa.es RI Martinez-Picado, Javier/G-5507-2012; Gomez, Guadalupe/K-5352-2014; Allen, Todd/F-5473-2011; Puertas, Maria /G-3251-2016; OI Martinez-Picado, Javier/0000-0002-4916-2129; Gomez, Guadalupe/0000-0003-4252-4884; Puertas, Maria /0000-0002-6750-2318; Brander, Christian/0000-0002-0548-5778; Korber, Bette/0000-0002-2026-5757; Brumme, Chanson/0000-0003-2722-5288 FU NIH [N01-AI-30024, N01-AI-15422]; NIH-NIDCR [R01 DE018925-04]; Ministerio de Ciencia y Tecnologia [MTM2008-06747-C02-00]; Instituto de Salud Carlos III [FIS PS09/00283]; Fundacio para la Investigacion y Prevencion del SIDA en Espana (FIPSE) [360737/09]; European Community; FIS (Rio Hortega, Madrid, Spain) [CM08/00020]; Canadian Institutes of Health Research (CIHR) FX This work was supported by NIH contracts N01-AI-30024 and N01-AI-15422 (CB, TA, BDW, BTK, JS), NIH-NIDCR R01 DE018925-04 (CB), grant MTM2008-06747-C02-00 (GG) from the Ministerio de Ciencia y Tecnologia, a grant from the Instituto de Salud Carlos III (FIS PS09/00283, AL) and a grant from the Fundacio para la Investigacion y Prevencion del SIDA en Espana (FIPSE) # 360737/09, CB), Spain as well as a grant from the European Community FP7 ("CUTHIVAC"). BM holds a research fellowship grant from the FIS (Rio Hortega, CM08/00020), Madrid, Spain. ZB is supported by a New Investigator Award from the Canadian Institutes of Health Research (CIHR). CB and JMP are ICREA (Institucio Catalana de Recerca i Estudis Avancats) Senior Research Professors. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript. NR 63 TC 69 Z9 69 U1 0 U2 4 PU BIOMED CENTRAL LTD PI LONDON PA 236 GRAYS INN RD, FLOOR 6, LONDON WC1X 8HL, ENGLAND SN 1479-5876 J9 J TRANSL MED JI J. Transl. Med. PD DEC 7 PY 2011 VL 9 AR 208 DI 10.1186/1479-5876-9-208 PG 20 WC Medicine, Research & Experimental SC Research & Experimental Medicine GA 917YM UT WOS:000302215200001 PM 22152067 ER PT J AU Burdett, JJ Gosztola, D Bardeen, CJ AF Burdett, Jonathan J. Gosztola, David Bardeen, Christopher J. TI The dependence of singlet exciton relaxation on excitation density and temperature in polycrystalline tetracene thin films: Kinetic evidence for a dark intermediate state and implications for singlet fission SO JOURNAL OF CHEMICAL PHYSICS LA English DT Article ID CRYSTALLINE TETRACENE; TRIPLET EXCITONS; FLUORESCENCE DECAY; MAGNETIC-FIELD; MUTUAL ANNIHILATION; ANTHRACENE-CRYSTALS; MOLECULAR-CRYSTALS; ULTRAFAST DYNAMICS; EMISSION-SPECTRA; QUANTUM BEATS AB The excited state dynamics of polycrystalline tetracene films are studied using femtosecond transient absorption in combination with picosecond fluorescence, continuing work reported in an earlier paper [J.J. Burdett, A.M. Muller, D. Gosztola, and C.J. Bardeen, J. Chem. Phys. 133, 144506 (2010)]. A study of the intensity dependence of the singlet state decay is conducted to understand the origins of the discrepancy between the broadband transient absorption and fluorescence experiments seen previously. High-sensitivity single channel transient absorption experiments allow us to compare the transient absorption dynamics to the fluorescence dynamics measured at identical laser fluences. At high excitation densities, an exciton-exciton annihilation rate constant of similar to 1 x 10(-8) cm(3) s(-1) leads to rapid singlet decays, but at excitation densities of 2 x 10(17) cm(-3) or less the kinetics of the transient absorption match those of the fluorescence. At these lower excitation densities, both measurements confirm that the initially excited singlet state relaxes with a decay time of 80 +/- 3 ps, not 9.2 ps as claimed in the earlier paper. In order to investigate the origin of the singlet decay, the wavelength-resolved fluorescence dynamics were measured at 298 K, 77 K, and 4 K. A high-energy J-type emitting species undergo a rapid (similar to 100 ps) decay at all temperatures, while at 77 K and 4 K additional species with H-type and J-type emission lineshapes have much longer lifetimes. A global analysis of the wavelength-dependent decays shows that the initial similar to 100 ps decay occurs to a dark state and not via energy transfer to lower energy bright states. Varying the excitation wavelength from 400 nm to 510 nm had no effect on the fast decay, suggesting that there is no energy threshold for the initial singlet relaxation. The presence of different emitting species at different temperatures means that earlier interpretations of the fluorescence behavior in terms of one singlet state that is short-lived due to singlet fission at high temperatures but long-lived at lower temperatures are probably too simplistic. The presence of a rapid singlet decay at all temperatures indicates that the initially created J-type singlet exciton decays to an intermediate that only produces free triplets (and delayed fluorescence) at high temperatures. (C) 2011 American Institute of Physics. [doi:10.1063/1.3664630] C1 [Burdett, Jonathan J.; Bardeen, Christopher J.] Univ Calif Riverside, Dept Chem, Riverside, CA 92521 USA. [Gosztola, David] Argonne Natl Lab, Ctr Nanoscale Mat, Argonne, IL 60439 USA. RP Burdett, JJ (reprint author), Univ Calif Riverside, Dept Chem, Riverside, CA 92521 USA. EM christopher.bardeen@ucr.edu RI Gosztola, David/D-9320-2011 OI Gosztola, David/0000-0003-2674-1379 FU National Science Foundation [DMR-0907310, CRIF-0840055]; Petroleum Research Foundation [46906-AC6]; U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences [DE-AC02-06CH11357] FX This research was supported by the National Science Foundation, Grant No. DMR-0907310 and the Petroleum Research Foundation Grant No. 46906-AC6. Femtosecond measurements were performed on an instrument purchased with support from the National Science Foundation, Grant No. CRIF-0840055. Use of the Center for Nanoscale Materials was supported by the U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences, under Contract No. DE-AC02-06CH11357. NR 70 TC 64 Z9 65 U1 2 U2 56 PU AMER INST PHYSICS PI MELVILLE PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1, MELVILLE, NY 11747-4501 USA SN 0021-9606 J9 J CHEM PHYS JI J. Chem. Phys. PD DEC 7 PY 2011 VL 135 IS 21 AR 214508 DI 10.1063/1.3664630 PG 10 WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical SC Chemistry; Physics GA 867YM UT WOS:000298490700031 PM 22149803 ER PT J AU Grant, J Jack, RL Whitelam, S AF Grant, James Jack, Robert L. Whitelam, Stephen TI Analyzing mechanisms and microscopic reversibility of self-assembly SO JOURNAL OF CHEMICAL PHYSICS LA English DT Article ID AGGREGATION; PARTICLES AB We use computer simulations to investigate self-assembly in a system of model chaperonin proteins, and in an Ising lattice gas. We discuss the mechanisms responsible for rapid and efficient assembly in these systems, and we use measurements of dynamical activity and assembly progress to compare their propensities for kinetic trapping. We use the analytic solution of a simple minimal model to illustrate the key features associated with such trapping, paying particular attention to the number of ways that particles can misbind. We discuss the relevance of our results for the design and control of self-assembly in general. (C) 2011 American Institute of Physics. [doi:10.1063/1.3662140] C1 [Grant, James; Jack, Robert L.] Univ Bath, Dept Phys, Bath BA2 7AY, Avon, England. [Whitelam, Stephen] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Mol Foundry, Berkeley, CA 94720 USA. RP Jack, RL (reprint author), Univ Bath, Dept Phys, Bath BA2 7AY, Avon, England. EM r.jack@bath.ac.uk; swhitelam@lbl.gov RI Jung, YounJoon/B-7353-2008; Jack, Robert/M-4096-2014; OI Grant, James/0000-0003-1362-2055 FU Engineering and Physical Sciences Research Council (EPSRC) [EP/G038074/1, EP/I003797/1]; Office of Science, Office of Basic Energy Sciences, of the U.S. Department of Energy (DOE) [DE-AC02-05CH11231] FX R.L.J. thanks Mike Hagan and Paddy Royall for many useful discussions. This work was done as part of a User project at the Molecular Foundry, Lawrence Berkeley National Laboratory. J.G. and R.L.J. acknowledge financial support by the Engineering and Physical Sciences Research Council (EPSRC) through a doctoral training grant (to J.G.) and through grants EP/G038074/1 and EP/I003797/1 (to R.L.J.). S. W. was supported by the Director, Office of Science, Office of Basic Energy Sciences, of the U.S. Department of Energy (DOE) under Contract No. DE-AC02-05CH11231. NR 32 TC 21 Z9 21 U1 0 U2 20 PU AMER INST PHYSICS PI MELVILLE PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1, MELVILLE, NY 11747-4501 USA SN 0021-9606 J9 J CHEM PHYS JI J. Chem. Phys. PD DEC 7 PY 2011 VL 135 IS 21 AR 214505 DI 10.1063/1.3662140 PG 10 WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical SC Chemistry; Physics GA 867YM UT WOS:000298490700028 PM 22149800 ER PT J AU Wang, QF Keffer, DJ Nicholson, DM AF Wang, Qifei Keffer, David J. Nicholson, Donald M. TI A coarse-grained model for polyethylene glycol polymer SO JOURNAL OF CHEMICAL PHYSICS LA English DT Article ID MOLECULAR-DYNAMICS SIMULATION; MONTE-CARLO SIMULATIONS; POLY(ETHYLENE OXIDE); FORCE-FIELD; AQUEOUS-SOLUTION; ATOMISTIC SIMULATIONS; ACTION MECHANISM; POLYSTYRENE; POLY(ETHYLENE-TEREPHTHALATE); 1,2-DIMETHOXYETHANE AB A coarse-grained (CG) model of polyethylene glycol (PEG) was developed and implemented in CG molecular dynamics (MD) simulations of PEG chains with degree of polymerization (DP) 20 and 40. In the model, two repeat units of PEG are grouped as one CG bead. Atomistic MD simulation of PEG chains with DP = 20 was first conducted to obtain the bonded structural probability distribution functions (PDFs) and nonbonded pair correlation function (PCF) of the CG beads. The bonded CG potentials are obtained by simple inversion of the corresponding PDFs. The CG nonbonded potential is parameterized to the PCF using both an inversion procedure based on the Ornstein-Zernike equation with the Percus-Yevick approximation (OZPY(-1)) and a combination of OZPY(-1) with the iterative Boltzmann inversion (IBI) method (OZPY(-1)+IBI). As a simple one step method, the OZPY(-1) method possesses an advantage in computational efficiency. Using the potential from OZPY(-1) as an initial guess, the IBI method shows fast convergence. The coarse-grained molecular dynamics (CGMD) simulations of PEG chains with DP = 20 using potentials from both methods satisfactorily reproduce the structural properties from atomistic MD simulation of the same systems. The OZPY(-1)+IBI method yields better agreement than the OZPY(-1) method alone. The new CG model and CG potentials from OZPY(-1)+IBI method was further tested through CGMD simulation of PEG with DP = 40 system. No significant changes are observed in the comparison of PCFs from CGMD simulations of PEG with DP = 20 and 40 systems indicating that the potential is independent of chain length. (C) 2011 American Institute of Physics. [doi:10.1063/1.3664623] C1 [Wang, Qifei; Keffer, David J.] Univ Tennessee, Dept Chem & Biomol Engn, Knoxville, TN 37996 USA. [Nicholson, Donald M.] Oak Ridge Natl Lab, Comp Sci & Math Div, Oak Ridge, TN 37830 USA. RP Keffer, DJ (reprint author), Univ Tennessee, Dept Chem & Biomol Engn, Knoxville, TN 37996 USA. EM dkeffer@utk.edu RI Keffer, David/C-5133-2014 OI Keffer, David/0000-0002-6246-0286 FU Eastman Chemical Company; National Science Foundation (NSF) [DGE-0801470, OCI 07-11134.5]; U.S. Department of Energy (DOE), Office of Basic Energy Sciences, Division of Materials Sciences and Engineering FX This research was supported by the Eastman Chemical Company and by a grant from the National Science Foundation (NSF) (DGE-0801470) and by the U.S. Department of Energy (DOE), Office of Basic Energy Sciences, Division of Materials Sciences and Engineering. This research project used resources of the National Institute for Computational Sciences (NICS) supported by NSF under Agreement No.: OCI 07-11134.5. NR 53 TC 19 Z9 19 U1 2 U2 46 PU AMER INST PHYSICS PI MELVILLE PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1, MELVILLE, NY 11747-4501 USA SN 0021-9606 J9 J CHEM PHYS JI J. Chem. Phys. PD DEC 7 PY 2011 VL 135 IS 21 AR 214903 DI 10.1063/1.3664623 PG 10 WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical SC Chemistry; Physics GA 867YM UT WOS:000298490700041 PM 22149813 ER PT J AU Kobchenko, M Panahi, H Renard, F Dysthe, DK Malthe-Sorenssen, A Mazzini, A Scheibert, J Jamtveit, B Meakin, P AF Kobchenko, Maya Panahi, Hamed Renard, Francois Dysthe, Dag K. Malthe-Sorenssen, Anders Mazzini, Adriano Scheibert, Julien Jamtveit, Bjorn Meakin, Paul TI 4D imaging of fracturing in organic-rich shales during heating SO JOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH LA English DT Article ID SOURCE ROCKS; PRIMARY MIGRATION; GENERATION; BASIN; MICROFRACTURES AB To better understand the mechanisms of fracture pattern development and fluid escape in low permeability rocks, we performed time-resolved in situ X-ray tomography imaging to investigate the processes that occur during the slow heating (from 60 degrees to 400 degrees C) of organic-rich Green River shale. At about 350 degrees C cracks nucleated in the sample, and as the temperature continued to increase, these cracks propagated parallel to shale bedding and coalesced, thus cutting across the sample. Thermogravimetry and gas chromatography revealed that the fracturing occurring at similar to 350 degrees C was associated with significant mass loss and release of light hydrocarbons generated by the decomposition of immature organic matter. Kerogen decomposition is thought to cause an internal pressure build up sufficient to form cracks in the shale, thus providing pathways for the outgoing hydrocarbons. We show that a 2D numerical model based on this idea qualitatively reproduces the experimentally observed dynamics of crack nucleation, growth and coalescence, as well as the irregular outlines of the cracks. Our results provide a new description of fracture pattern formation in low permeability shales. C1 [Kobchenko, Maya; Panahi, Hamed; Dysthe, Dag K.; Malthe-Sorenssen, Anders; Mazzini, Adriano; Scheibert, Julien; Jamtveit, Bjorn] Univ Oslo, N-0316 Oslo, Norway. [Meakin, Paul] Idaho Natl Lab, Ctr Adv Modeling & Simulat, Idaho Falls, ID 83415 USA. [Renard, Francois] Univ Grenoble 1, Inst Sci Terre, CNRS, F-38041 Grenoble, France. [Scheibert, Julien] Ecole Cent Lyon, CNRS, Lab Tribol & Dynam Syst, Ecully, France. [Meakin, Paul] Inst Energy Technol, N-2007 Kjeller, Norway. RP Kobchenko, M (reprint author), Univ Oslo, N-0316 Oslo, Norway. EM kobchenko.maya@gmail.com RI Dysthe, Dag Kristian/F-2247-2011; Malthe-Sorenssen, Anders/C-2015-2015; Scheibert, Julien/C-5892-2009; Renard, Francois/A-7862-2008 OI Dysthe, Dag Kristian/0000-0001-8336-5061; Malthe-Sorenssen, Anders/0000-0001-8138-3995; Scheibert, Julien/0000-0002-9600-3796; Jamtveit, Bjorn/0000-0001-5700-1803; Renard, Francois/0000-0002-5125-5930 FU Norwegian Research Council; Center of Excellence from the Norwegian Research Council FX We acknowledge support by the Petromaks program of the Norwegian Research Council. We thank Elodie Boller at ESRF for her help during the tomography scans and Rodica Chiriac for her help with the thermogravimetry analyses. This study was supported by a Center of Excellence grant from the Norwegian Research Council to the Physics of Geological Processes Center (PGP). NR 27 TC 25 Z9 26 U1 0 U2 35 PU AMER GEOPHYSICAL UNION PI WASHINGTON PA 2000 FLORIDA AVE NW, WASHINGTON, DC 20009 USA SN 2169-9313 EI 2169-9356 J9 J GEOPHYS RES-SOL EA JI J. Geophys. Res.-Solid Earth PD DEC 7 PY 2011 VL 116 AR B12201 DI 10.1029/2011JB008565 PG 9 WC Geochemistry & Geophysics SC Geochemistry & Geophysics GA 860ZF UT WOS:000297987100002 ER PT J AU Xu, Q Lin, WC Petit, RS Groves, JT AF Xu, Qian Lin, Wan-Chen Petit, Rebecca S. Groves, Jay T. TI EphA2 Receptor Activation by Monomeric Ephrin-A1 on Supported Membranes SO BIOPHYSICAL JOURNAL LA English DT Article ID PHOTON-COUNTING HISTOGRAM; TYROSINE KINASE; LIPID-BILAYERS; CORRELATION SPECTROSCOPY; IMMUNOLOGICAL SYNAPSE; SIGNAL-TRANSDUCTION; LIGAND; OVEREXPRESSION; RECOGNITION; MICROSCOPY AB The receptor tyrosine kinase EphA2 interacts with its glycosylphosphatidylinositol (GPI)-linked ephrin-A1 ligand in a juxtacrine configuration. The soluble ephrin-A1 protein, without its GPI membrane linker, fails to activate EphA2. However, preclustered ephrin-A1 protein is active in solution and has been frequently used to trigger the EphA2 receptor. Although this approach has yielded insights into EphA2 signaling, preclustered ligands bypass natural receptor clustering processes and thus mask any role of clustering as a signal regulatory mechanism. Here, we present EphA2-expressing cells with a fusion protein of monomeric ephrin-A1 (mEA1) and enhanced monomeric yellow fluorescent protein that is linked to a supported lipid bilayer via a nickel-decahistidine anchor. The mEA1 is homogeneously dispersed, laterally mobile, and monomeric as measured by fluorescence imaging, correlation spectroscopy, and photon counting histogram analysis, respectively. Ephrin-A1 presented in this manner activates EphA2 on the surface of MDA-MB-231 human breast cancer cells, as measured by EphA2 phosphorylation and degradation. Spatial mutation experiments in which nanopatterns on the underlying substrate restrict mEA1 movement in the supported lipid bilayer reveal spatio-mechanical regulation of this signaling pathway, consistent with recently reported observations using a synthetically cross-linked ephrin-A1 dimer. C1 [Xu, Qian; Lin, Wan-Chen; Petit, Rebecca S.; Groves, Jay T.] Univ Calif Berkeley, Howard Hughes Med Inst, Dept Chem, Berkeley, CA 94720 USA. [Xu, Qian; Groves, Jay T.] Univ Calif Berkeley, Biophys Grad Grp, Berkeley, CA 94720 USA. [Xu, Qian; Lin, Wan-Chen; Petit, Rebecca S.; Groves, Jay T.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Phys Biosci Div, Berkeley, CA 94720 USA. [Xu, Qian; Lin, Wan-Chen; Petit, Rebecca S.; Groves, Jay T.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Div Mat Sci, Berkeley, CA 94720 USA. RP Groves, JT (reprint author), Univ Calif Berkeley, Howard Hughes Med Inst, Dept Chem, Berkeley, CA 94720 USA. EM jtgroves@lbl.gov FU Office of Science, Office of Basic Energy Sciences, Chemical Sciences, Geosciences, and Biosciences Division; Materials Sciences and Engineering Division of the U.S. Department of Energy (DOE) [DE-AC02-05CH11231]; Office of Science, Office of Basic Energy Sciences, Scientific User Facilities Division, of the U.S. DOE [DE-AC02-05CH11231]; Laboratory Directed Research and Development Program of LBNL under U.S. DOE [DE-AC02-05CH11231]; U.S. Department of Defense DA under U.S. Army Medical Research Acquisition Activity [BC102681, W81XWH-11-1-0256]; National Cancer Institute (NCI) [U54 CA 143836] FX This work was supported by the Director, Office of Science, Office of Basic Energy Sciences, Chemical Sciences, Geosciences, and Biosciences Division (Q.X.; hybrid synthetic-live cell interfaces) and the Materials Sciences and Engineering Division (R.S.P.; supported membrane substrates) of the U.S. Department of Energy (DOE) under contract no. DE-AC02-05CH11231. Patterned substrate fabrication was performed, in part, at the Molecular Foundry (or National Center for Electron Microscopy), Lawrence Berkeley National Laboratory (LBNL), and was supported by the Office of Science, Office of Basic Energy Sciences, Scientific User Facilities Division, of the U.S. DOE under contract no. DE-AC02-05CH11231. This work was also supported by the Laboratory Directed Research and Development Program of LBNL under U.S. DOE contract no. DE-AC02-05CH11231. Seed support for biomedical aspects of this work was provided by the U.S. Department of Defense DA Congressionally Directed Medical Research Program Idea Award BC102681 under U.S. Army Medical Research Acquisition Activity no. W81XWH-11-1-0256, with follow-on support provided by Award U54 CA 143836 from the National Cancer Institute (NCI) beginning in 2009. The content is solely the responsibility of the authors and does not necessarily represent the official views of the NCI or the National Institutes of Health. NR 45 TC 19 Z9 19 U1 1 U2 13 PU CELL PRESS PI CAMBRIDGE PA 600 TECHNOLOGY SQUARE, 5TH FLOOR, CAMBRIDGE, MA 02139 USA SN 0006-3495 J9 BIOPHYS J JI Biophys. J. PD DEC 7 PY 2011 VL 101 IS 11 BP 2731 EP 2739 DI 10.1016/j.bpj.2011.10.039 PG 9 WC Biophysics SC Biophysics GA 859SY UT WOS:000297897300024 PM 22261062 ER PT J AU Holland, JT Lau, C Brozik, S Atanassov, P Banta, S AF Holland, J. Todd Lau, Carolin Brozik, Susan Atanassov, Plamen Banta, Scott TI Engineering of Glucose Oxidase for Direct Electron Transfer via Site-Specific Gold Nanoparticle Conjugation SO JOURNAL OF THE AMERICAN CHEMICAL SOCIETY LA English DT Article ID BIOFUEL CELL; DIRECT ELECTROCHEMISTRY; CARBON NANOTUBES; CONDUCTING-POLYMER; MODIFIED ENZYMES; REDOX PROTEINS; COMMUNICATION; DEHYDROGENASE; BIOSENSORS; LACCASE AB Optimizing the electrical communication between enzymes and electrodes is critical in the development of biosensors, enzymatic biofuel cells, and other bioelectrocatalytic applications. One approach to address this limitation is the attachment of redox mediators or relays to the enzymes. Here we report a simple genetic modification of a glucose oxidase enzyme to display a free thiol group near its active site. This facilitates the site-specific attachment of a maleimide-modified gold nanoparticle to the enzyme, which enables direct electrical communication between the conjugated enzyme and an electrode. Glucose oxidase is of particular interest in biofuel cell and biosensor applications, and the approach of "prewiring" enzyme conjugates in a site-specific manner will be valuable in the continued development of these systems. C1 [Lau, Carolin; Atanassov, Plamen] Univ New Mexico, Dept Chem & Nucl Engn, Ctr Emerging Energy Technol, Albuquerque, NM 87131 USA. [Holland, J. Todd; Banta, Scott] Columbia Univ, Dept Chem Engn, New York, NY 10027 USA. [Holland, J. Todd; Brozik, Susan] Sandia Natl Labs, Dept Biosensors & Nanomat, Albuquerque, NM 87185 USA. RP Atanassov, P (reprint author), Univ New Mexico, Dept Chem & Nucl Engn, Ctr Emerging Energy Technol, Albuquerque, NM 87131 USA. EM plamen@unm.edu; sbanta@columbia.edu RI Atanassov, Plamen/G-4616-2011 FU AFOSR MURI FX The authors thank Dr. David Wheeler, Dr. Ronen Polsky, and Dr. Jason Harper of Sandia National Laboratories (SNL) for informative discussions and preliminary experiments on methods of attachment of the mutant enzymes to electrode surfaces and NPs. We thank the AFOSR MURI Program for funding this research and SNL for providing lab space to host it We also thank Dr. Shan Gao and Mr. Jack Lu for assisting with some of the GOx mutant purification. NR 43 TC 100 Z9 102 U1 14 U2 154 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0002-7863 J9 J AM CHEM SOC JI J. Am. Chem. Soc. PD DEC 7 PY 2011 VL 133 IS 48 BP 19262 EP 19265 DI 10.1021/ja2071237 PG 4 WC Chemistry, Multidisciplinary SC Chemistry GA 855ZT UT WOS:000297606500002 PM 22050076 ER PT J AU Sun, JW Liu, C Yang, PD AF Sun, Jianwei Liu, Chong Yang, Peidong TI Surfactant-Free, Large-Scale, Solution-Liquid-Solid Growth of Gallium Phosphide Nanowires and Their Use for Visible-Light-Driven Hydrogen Production from Water Reduction SO JOURNAL OF THE AMERICAN CHEMICAL SOCIETY LA English DT Article ID SEMICONDUCTOR NANOWIRES; ARRAYS; CELLS; GAP; NANOCRYSTALS; IRRADIATION; PHOTOLYSIS; INP AB Colloidal GaP nanowires (NVVs) were synthesized on a large scale by a surfactant-free, self-seeded solution-liquid-solid (SLS) method using triethylgallium and tris(trimethylsilyl)phosphine as precursors and a non-coordinating squalane solvent. Ga nanoscale droplets were generated in situ by thermal decomposition of the Ga precursor and subsequently promoted the NW growth. The GaP NVVs were not intentionally doped and showed a positive open-circuit photovoltage based on photoelectrochemical measurements. Purified GaP NWs were used for visible-light-driven water splitting. Upon photodeposition of Pt nanoparticles on the wire surfaces, significantly enhanced hydrogen production was observed. The results indicate that colloidal surfactant-free GaP NWs combined with potent surface electrocatalysts could serve as promising photocathodes for artificial photosynthesis. C1 [Sun, Jianwei; Yang, Peidong] Univ Calif Berkeley, Lawrence Berkeley Lab, JCAP, Berkeley, CA 94720 USA. [Sun, Jianwei; Liu, Chong; Yang, Peidong] Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA. RP Yang, PD (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, JCAP, Berkeley, CA 94720 USA. EM p_yang@uclink.berkeley.edu RI Dom, Rekha/B-7113-2012; OI Liu, Chong/0000-0001-5546-3852 FU Office of Science of the U.S. Department of Energy [DE-SC0004993] FX This material is based upon work performed by the Joint Center for Artificial Photosynthesis, a DOE Energy Innovation Hub, supported through the Office of Science of the U.S. Department of Energy under Award DE-SC0004993. J.S. is grateful to Christopher Hahn and Dr. Ziyang Huo for help with collecting HRTEM images and Zhongwei Zhu for help with collecting XPS data. NR 38 TC 84 Z9 84 U1 17 U2 187 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0002-7863 J9 J AM CHEM SOC JI J. Am. Chem. Soc. PD DEC 7 PY 2011 VL 133 IS 48 BP 19306 EP 19309 DI 10.1021/ja2083398 PG 4 WC Chemistry, Multidisciplinary SC Chemistry GA 855ZT UT WOS:000297606500013 PM 22050218 ER PT J AU Jirkovsky, JS Panas, I Ahlberg, E Halasa, M Romani, S Schiffrin, DJ AF Jirkovsky, Jakub S. Panas, Itai Ahlberg, Elisabet Halasa, Matej Romani, Simon Schiffrin, David J. TI Single Atom Hot-Spots at Au-Pd Nanoalloys for Electrocatalytic H2O2 Production SO JOURNAL OF THE AMERICAN CHEMICAL SOCIETY LA English DT Article ID HYDROGEN-PEROXIDE; OXYGEN REDUCTION; SELECTIVE OXIDATION; ETHENE EPOXIDATION; ALLOY SURFACES; GOLD; MECHANISM; CATALYSIS; ELECTROREDUCTION; CHEMISORPTION AB A novel strategy to direct the oxygen reduction reaction to preferentially produce H2O2 is formulated and evaluated. The approach combines the inertness of Au nanopartides toward oxidation, with the improved 02 sticking probability of isolated transition metal "guest" atoms embedded in the Au "host". DFT modeling was employed to screen for the best alloy candidates. Modeling indicates that isolated alloying atoms of Pd, Pt, or Rh placed within the Au surface should enhance the H2O2 production relative to pure Au. Consequently, Au1-xPdx nanoalloys with variable Pd content supported on Vulcan XC-72 were prepared to investigate the predicted selectivity toward H2O2 production for Au alloyed with Pd. It is demonstrated that increasing the Pd concentration to 8% leads to an increase of the electrocatalytic H2O2 production selectivity up to nearly 95%, when the nanoparticles are placed in an environment compatible with that of a proton exchange membrane. Further increase of Pd content leads to a drop in H2O2 selectivity, to below 10% for x = 0.5. It is proposed that the enhancement in H2O2 selectivity is caused by the presence of individual surface Pd atoms surrounded by gold, whereas surface ensembles of contiguous Pd atoms support H2O formation. The results are discussed in the context of exergonic electrocatalytic H2O2 synthesis in Polymer Electrolyte Fuel Cells for the simultaneous cogeneration of chemicals and electricity, the latter a credit to production costs. C1 [Jirkovsky, Jakub S.; Schiffrin, David J.] Univ Liverpool, Dept Chem, Liverpool L69 7ZD, Merseyside, England. [Panas, Itai] Chalmers, Dept Chem & Biochem, SE-41296 Gothenburg, Sweden. [Ahlberg, Elisabet] Univ Gothenburg, Dept Chem, SE-41296 Gothenburg, Sweden. [Halasa, Matej] Solvay R&D, B-1120 Brussels, Belgium. [Romani, Simon] Univ Liverpool, Ctr Mat & Struct, Liverpool L69 3GH, Merseyside, England. RP Jirkovsky, JS (reprint author), Argonne Natl Lab, Div Mat Sci, 9700 S Cass Ave, Argonne, IL 60439 USA. EM jjirkovsky@anl.gov; itai.panas@chalmers.se RI Jirkovsky, Jakub/B-2764-2011; OI Jirkovsky, Jakub/0000-0003-2144-5204; Panas, Itai/0000-0002-6679-075X FU Solvay RD, Belgium; European Union through the ELCAT Marie-Curie Initial Training Network ELCAT [214936-2, 2008-2012] FX This work has been supported by Solvay R&D, Belgium. In addition, support from the European Union through the ELCAT Marie-Curie Initial Training Network ELCAT, Proposal No. 214936-2, 2008-2012 is gratefully acknowledged. NR 52 TC 76 Z9 76 U1 27 U2 276 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0002-7863 J9 J AM CHEM SOC JI J. Am. Chem. Soc. PD DEC 7 PY 2011 VL 133 IS 48 BP 19432 EP 19441 DI 10.1021/ja206477z PG 10 WC Chemistry, Multidisciplinary SC Chemistry GA 855ZT UT WOS:000297606500036 PM 22023652 ER PT J AU Carlson, J Gandolfi, S Schmidt, KE Zhang, SW AF Carlson, J. Gandolfi, Stefano Schmidt, Kevin E. Zhang, Shiwei TI Auxiliary-field quantum Monte Carlo method for strongly paired fermions SO PHYSICAL REVIEW A LA English DT Article ID GROUND-STATES; GAS AB We solve the zero-temperature unitary Fermi gas problem by incorporating a BCS importance function into the auxiliary-field quantum Monte Carlo method. We demonstrate that this method does not suffer from a sign problem and that it increases the efficiency of standard techniques by many orders of magnitude for strongly paired fermions. We calculate the ground-state energies exactly for unpolarized systems with up to 66 particles on lattices of up to 27(3) sites, obtaining an accurate result for the universal parameter xi. We also obtain results for interactions with different effective ranges and find that the energy is consistent with a universal linear dependence on the product of the Fermi momentum and the effective range. This method will have many applications in superfluid cold atom systems and in both electronic and nuclear structures where pairing is important. C1 [Carlson, J.; Gandolfi, Stefano] Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA. [Schmidt, Kevin E.] Arizona State Univ, Dept Phys, Tempe, AZ 85287 USA. [Zhang, Shiwei] Coll William & Mary, Dept Phys, Williamsburg, VA 23187 USA. RP Carlson, J (reprint author), Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA. OI Gandolfi, Stefano/0000-0002-0430-9035 FU US Department of Energy, Office of Nuclear Physics [DE-FC02-07ER41457, DE-AC52-06NA25396]; National Science Foundation [PHY-0757703, PHY-1067777, DMR-1006217]; ARO [56693-PH] FX We thank Alexandros Gezerlis, Joaquin Drut, and David B. Kaplan for useful discussions. J. C. and S. Z. thank the Institute for Nuclear Theory (INT) at the University of Washington for its hospitality. This work is supported by the US Department of Energy, Office of Nuclear Physics, under Contracts No. DE-FC02-07ER41457 (UNEDF SciDAC) and No. DE-AC52-06NA25396 and by the National Science Foundation Grants No. PHY-0757703 and No. PHY-1067777. K. E. S. thanks the Los Alamos National Laboratory and the New Mexico Consortium for their hospitality. Computer time was also made available by Los Alamos Open Supercomputing, NERSC, and CPD at William & Mary. We thank Chia-Chen Chang for help with computing and coding issues. S. Z. is supported by ARO (56693-PH) and NSF (DMR-1006217). NR 31 TC 53 Z9 53 U1 0 U2 8 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1050-2947 J9 PHYS REV A JI Phys. Rev. A PD DEC 7 PY 2011 VL 84 IS 6 AR 061602 DI 10.1103/PhysRevA.84.061602 PG 5 WC Optics; Physics, Atomic, Molecular & Chemical SC Optics; Physics GA 857YA UT WOS:000297760000001 ER PT J AU An, Q Zybin, SV Goddard, WA Jaramillo-Botero, A Blanco, M Luo, SN AF An, Qi Zybin, Sergey V. Goddard, William A., III Jaramillo-Botero, Andres Blanco, Mario Luo, Sheng-Nian TI Elucidation of the dynamics for hot-spot initiation at nonuniform interfaces of highly shocked materials SO PHYSICAL REVIEW B LA English DT Article ID REACTIVE MOLECULAR-DYNAMICS; THERMAL-DECOMPOSITION; IGNITION MECHANISMS; SIMULATIONS; EXPLOSIVES; REAXFF AB The fundamental processes in shock-induced instabilities of materials remain obscure, particularly for detonation of energetic materials. We simulated these processes at the atomic scale on a realistic model of a polymer-bonded explosive (3,695,375 atoms/cell) and observed that a hot spot forms at the nonuniform interface, arising from shear relaxation that results in shear along the interface that leads to a large temperature increase that persists long after the shock front has passed the interface. For energetic materials this temperature increase is coupled to chemical reactions that lead to detonation. We show that decreasing the density of the binder eliminates the hot spot. C1 [An, Qi; Zybin, Sergey V.; Goddard, William A., III; Jaramillo-Botero, Andres; Blanco, Mario] CALTECH, Mat & Proc Simulat Ctr, Pasadena, CA 91125 USA. [Luo, Sheng-Nian] Los Alamos Natl Lab, Los Alamos, NM 87545 USA. RP An, Q (reprint author), CALTECH, Mat & Proc Simulat Ctr, Pasadena, CA 91125 USA. EM wag@wag.caltech.edu RI An, Qi/G-4517-2011; Luo, Sheng-Nian /D-2257-2010; An, Qi/I-6985-2012 OI Luo, Sheng-Nian /0000-0002-7538-0541; FU ARO [W911NF-05-1-0345, W911NF-08-1-0124]; ONR [N00014-09-1-0634] FX All computations were carried out on the Army HPC systems; we thank Betsy Rice and Larry Davis for assistance. Personnel were supported by ARO (W911NF-05-1-0345 and W911NF-08-1-0124) and by ONR (N00014-09-1-0634). NR 26 TC 38 Z9 41 U1 5 U2 47 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 2469-9950 EI 2469-9969 J9 PHYS REV B JI Phys. Rev. B PD DEC 7 PY 2011 VL 84 IS 22 AR 220101 DI 10.1103/PhysRevB.84.220101 PG 5 WC Physics, Condensed Matter SC Physics GA 857ZB UT WOS:000297763700001 ER PT J AU Dhaka, RS Shukla, AK Horn, K Barman, SR AF Dhaka, R. S. Shukla, A. K. Horn, K. Barman, S. R. TI Photoemission study of Al adlayers on Mn SO PHYSICAL REVIEW B LA English DT Article ID ELECTRONIC-STRUCTURE; ALUMINUM FILMS; GROWTH; INTERFACE; SURFACES; SPECTRA; PT(111); AL(111); ALLOYS; LEED AB Al overlayers on Mn, studied by photoemission spectroscopy, show a large lowering of the Al 2p core-level binding energy by 0.5 eV at submonolayer (0.1 ML) coverage. The binding energy increases with coverage and reaches the bulk Al value at approximate to 1.3 ML. The Al 2p core-level spectrum exhibits extra components related to the different chemical environment at the interface, which decrease in intensity with increasing Al coverage. The Al related plasmon loss features appear above 1 ML. The present results are explained by a strong Al s, p-Mn 3d hybridization at the submonolayer coverage due to interface alloying, whose influence on the spectra is dominated by metallic bonding in the Al layer as coverage increases. The valence-band spectra demonstrate systematic suppression of Mn 3d-like states and emergence of a parabolic free-electron-like Al density of states. C1 [Dhaka, R. S.; Shukla, A. K.; Barman, S. R.] UGC DAE Consortium Sci Res, Surface Phys Lab, Indore 452001, Madhya Pradesh, India. [Horn, K.] Max Planck Gesell, Fritz Haber Inst, DE-14195 Berlin, Germany. RP Dhaka, RS (reprint author), US DOE, Ames Lab, Div Engn & Mat Sci, Ames, IA 50011 USA. EM rsdhaka@ameslab.gov RI Dhaka, Rajendra/F-9018-2011; Dhaka, Rajendra/C-2486-2013; Roy Barman, Sudipta/B-2026-2010 FU Berliner Elektronenspeicherring-Gesellschaft fur Synchrotronstrahlung; Max Planck Partner Group FX We thank W. Mahler and B. Zada for providing technical help in operating the beamline and the Berliner Elektronenspeicherring-Gesellschaft fur Synchrotronstrahlung staff for support. D. P. Woodruff and D. I. Sayago are thanked for useful discussions. Funding from the Max Planck Partner Group Project is gratefully acknowledged. NR 42 TC 0 Z9 0 U1 0 U2 5 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 2469-9950 EI 2469-9969 J9 PHYS REV B JI Phys. Rev. B PD DEC 7 PY 2011 VL 84 IS 24 AR 245404 DI 10.1103/PhysRevB.84.245404 PG 6 WC Physics, Condensed Matter SC Physics GA 858AJ UT WOS:000297767800009 ER PT J AU Lei, HC Ryu, HJ Frenkel, AI Petrovic, C AF Lei, Hechang Ryu, Hyejin Frenkel, Anatoly I. Petrovic, C. TI Anisotropy in BaFe2Se3 single crystals with double chains of FeSe tetrahedra SO PHYSICAL REVIEW B LA English DT Article ID TRANSPORT-PROPERTIES; SUPERCONDUCTIVITY; IRON; BA6FE8S15; PHASES; SYSTEM AB We studied the anisotropy in physical properties of Ba1.00(4)Fe1.9(1)Se3.1(1) single crystals. BaFe2Se3 is a semiconductor below 300 K. Magnetization measurements show that there is a crossover from short-range antiferromagnetic (AFM) correlations at room temperature to a long-range AFM order with T-N = 255 K. The anisotropy of magnetization is consistent with the previous neutron results. This crossover is supported by the heat-capacity measurement, where the phase-transition peak is absent at 255 K. The superconducting transition at about 10 K is likely due to the small amount of beta-FeSe impurities. C1 [Lei, Hechang; Ryu, Hyejin; Petrovic, C.] Brookhaven Natl Lab, Condensed Matter Phys & Mat Sci Dept, Upton, NY 11973 USA. [Ryu, Hyejin; Petrovic, C.] SUNY Stony Brook, Dept Phys & Astron, Stony Brook, NY 11794 USA. [Frenkel, Anatoly I.] Yeshiva Univ, Dept Phys, New York, NY 10016 USA. RP Lei, HC (reprint author), Brookhaven Natl Lab, Condensed Matter Phys & Mat Sci Dept, Upton, NY 11973 USA. RI Frenkel, Anatoly/D-3311-2011; Petrovic, Cedomir/A-8789-2009; LEI, Hechang/H-3278-2016 OI Frenkel, Anatoly/0000-0002-5451-1207; Petrovic, Cedomir/0000-0001-6063-1881; FU US Department of Energy [DE-AC02-98CH10886, DE-FG02-03ER15476, DE-FG02-05ER15688]; Center for Emergent Superconductivity, an Energy Frontier Research Center; US DOE, Office for Basic Energy Science FX We are grateful to Kefeng Wang for helpful discussions. We thank John Warren for help with scanning electron microscopy measurements and Qi Wang for help with XAFS measurements. Work at Brookhaven is supported by the US DOE under Contract No. DE-AC02-98CH10886 and in part by the Center for Emergent Superconductivity, an Energy Frontier Research Center funded by the US DOE, Office for Basic Energy Science. A.I.F. acknowledges support by US Department of Energy Grant No. DE-FG02-03ER15476. Beamline X18A at the NSLS is supported in part by the US Department of Energy Grant No. DE-FG02-05ER15688. NR 19 TC 30 Z9 30 U1 4 U2 56 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1098-0121 J9 PHYS REV B JI Phys. Rev. B PD DEC 7 PY 2011 VL 84 IS 21 AR 214511 DI 10.1103/PhysRevB.84.214511 PG 5 WC Physics, Condensed Matter SC Physics GA 857YU UT WOS:000297762800009 ER PT J AU de Vries, J Higa, R Liu, CP Mereghetti, E Stetcu, I Timmermans, RGE van Kolck, U AF de Vries, J. Higa, R. Liu, C. -P. Mereghetti, E. Stetcu, I. Timmermans, R. G. E. van Kolck, U. TI Electric dipole moments of light nuclei from chiral effective field theory SO PHYSICAL REVIEW C LA English DT Article ID TIME-REVERSAL VIOLATION; STRONG CP-VIOLATION; PERTURBATION-THEORY; FORM-FACTOR; QUANTUM CHROMODYNAMICS; ISOSPIN VIOLATION; NEUTRON; SCATTERING; MODEL; QUARK AB We set up the framework for the calculation of electric dipole moments (EDMs) of light nuclei using the systematic expansion provided by chiral effective field theory (EFT). We take into account parity (P) and timer-reversal (T) violation which, at the quark-gluon level, originates from the QCD vacuum angle and dimension-six operators capturing physics beyond the standard model. We argue that EDMs of light nuclei can be expressed in terms of six low-energy constants that appear in the P- and T-violating nuclear potential and electric current. As examples, we calculate the EDMs of the deuteron, the triton, and He-3 in leading order in the EFT expansion. C1 [de Vries, J.; Higa, R.; Timmermans, R. G. E.] Univ Groningen, KVI, Theory Grp, NL-9747 AA Groningen, Netherlands. [Higa, R.] Univ Sao Paulo, Inst Fis, BR-05389970 Sao Paulo, Brazil. [Liu, C. -P.] Natl Dong Hwa Univ, Dept Phys, Shoufeng 97401, Hualien, Taiwan. [Mereghetti, E.; van Kolck, U.] Univ Arizona, Dept Phys, Tucson, AZ 85721 USA. [Mereghetti, E.] Univ Calif Berkeley, Ernest Orlando Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA. [Stetcu, I.] Univ Washington, Dept Phys, Seattle, WA 98195 USA. RP de Vries, J (reprint author), Univ Groningen, KVI, Theory Grp, NL-9747 AA Groningen, Netherlands. RI Higa, Renato/M-2300-2016 OI Higa, Renato/0000-0002-6298-8128 FU Dutch Stichting FOM [104, 114]; ROC NSC [NSC98-2112-M-259-004-MY3]; US DOE [DE-FG02-06ER41449, DE-FG02-04ER41338, DE-FC02-07ER41457]; NSF MRI [PHY-0922770] FX We thank the organizers of the Workshop on Search for Electric Dipole Moments at Storage Rings (Physikzentrum Bad Honnef, July 2011), H. Stroher and F. Rathmann, for providing a stimulating atmosphere for discussions with many colleagues, in particular J. Bsaisou, B. Gibson, C. Hanhart, A. Nogga, G. Onderwater, and A. Wirzba. We are particularly grateful to P. Navratil for the NCSM code of the PT wave functions and to C. Hanhart for comments on the manuscript. C.-P. Liu and U. van Kolck acknowledge the hospitality of KVI, where this research was carried out. This research was supported by the Dutch Stichting FOM under programs 104 and 114 (J. dV., R. H., R. G. E. T.); by the ROC NSC under Grant No. NSC98-2112-M-259-004-MY3 (C.-P. L.); and by the US DOE under Grant Nos. DE-FG02-06ER41449 (E. M.), DE-FG02-04ER41338 (E. M., U.vK.), and DE-FC02-07ER41457 (I. S.). The three-body calculations were performed on the University of Washington Hyak cluster (NSF MRI Grant No. PHY-0922770). NR 99 TC 45 Z9 45 U1 0 U2 5 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 2469-9985 EI 2469-9993 J9 PHYS REV C JI Phys. Rev. C PD DEC 7 PY 2011 VL 84 IS 6 AR 065501 DI 10.1103/PhysRevC.84.065501 PG 17 WC Physics, Nuclear SC Physics GA 858AS UT WOS:000297768800003 ER PT J AU Bell, NF Petraki, K Shoemaker, IM Volkas, RR AF Bell, Nicole F. Petraki, Kalliopi Shoemaker, Ian M. Volkas, Raymond R. TI Dark and visible matter in a baryon-symmetric universe via the Affleck-Dine mechanism SO PHYSICAL REVIEW D LA English DT Article ID FLAT-DIRECTION BARYOGENESIS; HIDDEN SECTOR BARYOGENESIS; NUMBER VIOLATION; ORIGIN; PUZZLE; MODEL AB The similarity of the visible and dark matter abundances indicates that they may originate via the same mechanism. If both the dark and visible matter are charged under a generalized baryon number, then the asymmetry of the visible sector may be compensated by an asymmetry in the dark sector. We show how the separation of the baryonic and the -antibaryonic charge can originate in the vacuum, via the Affleck-Dine mechanism, due to the breaking of a symmetry orthogonal to the baryon number. Symmetry restoration in the current epoch guarantees the individual stability of the two sectors. C1 [Bell, Nicole F.; Petraki, Kalliopi; Volkas, Raymond R.] Univ Melbourne, Sch Phys, ARC Ctr Excellence Particle Phys Terascale, Melbourne, Vic 3010, Australia. [Shoemaker, Ian M.] Los Alamos Natl Lab, Theoret Div T2, Los Alamos, NM 87545 USA. RP Petraki, K (reprint author), Univ Melbourne, Sch Phys, ARC Ctr Excellence Particle Phys Terascale, Melbourne, Vic 3010, Australia. EM kpetraki@unimelb.edu.au FU Australian Research Council FX We thank Alex Kusenko for reading the manuscript and for useful comments. We also thank Robert Foot, Michael Graesser, Archil Kobakhidze, Nick Setzer, and Luca Vecchi for helpful discussions. This work was supported, in part, by the Australian Research Council. NR 86 TC 44 Z9 44 U1 0 U2 0 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 2470-0010 EI 2470-0029 J9 PHYS REV D JI Phys. Rev. D PD DEC 7 PY 2011 VL 84 IS 12 AR 123505 DI 10.1103/PhysRevD.84.123505 PG 6 WC Astronomy & Astrophysics; Physics, Particles & Fields SC Astronomy & Astrophysics; Physics GA 858JA UT WOS:000297791500003 ER PT J AU Martin, A AF Martin, Adam TI Same bump, different channel: Higgs boson fakes from technicolor SO PHYSICAL REVIEW D LA English DT Article AB Resonant production of a light, narrow techni-rho, followed by the decay rho(T) -> W-+/- pi(T)(jj) has been proposed as an explanation of the W + jj excess observed by CDF. If the pi(T) decays to tau + nu(tau)/tau(+)tau(-) rather than to jets, subsequent leptonic tau decay leads to l(+)l(-) nu nu(nu) over bar(nu) over bar, a final state that will be picked up by the standard model WW(*) -> l(+)l(-) + (E) over bar (T) Higgs searches. We point out that, for the same range of technicolor parameters required to fit the CDF W + jj excess, the correlated l(+)l(-) (E) over bar (T) technicolor signal can have strength comparable to that of an intermediate-mass standard model Higgs boson, and therefore could be visible at the Tevatron or LHC. C1 Fermilab Natl Accelerator Lab, Dept Theoret Phys, Batavia, IL 60510 USA. RP Martin, A (reprint author), Fermilab Natl Accelerator Lab, Dept Theoret Phys, POB 500, Batavia, IL 60510 USA. FU U.S. Department of Energy [DE-AC02-07CH11359]; KITP; National Science Foundation [NSF PHY05-51164] FX We thank Bogdan Dobrescu, Estia Eichten, Paddy Fox, Roni Harnik, Ken Lane, and Graham Kribs for useful conversations. AM is supported by Fermilab operated by Fermi Research Alliance, LLC under Contract No. DE-AC02-07CH11359 with the U.S. Department of Energy. A.M. acknowledges KITP for support while this work was in progress. This research was supported in part by the National Science Foundation under Grant No. NSF PHY05-51164. NR 32 TC 0 Z9 0 U1 0 U2 0 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1550-7998 J9 PHYS REV D JI Phys. Rev. D PD DEC 7 PY 2011 VL 84 IS 11 AR 115007 DI 10.1103/PhysRevD.84.115007 PG 6 WC Astronomy & Astrophysics; Physics, Particles & Fields SC Astronomy & Astrophysics; Physics GA 858BB UT WOS:000297769800001 ER PT J AU Abe, K Hayato, Y Iida, T Ikeda, M Iyogi, K Kameda, J Koshio, Y Kozuma, Y Miura, M Moriyama, S Nakahata, M Nakayama, S Obayashi, Y Sekiya, H Shiozawa, M Suzuki, Y Takeda, A Takenaga, Y Takeuchi, Y Ueno, K Ueshima, K Watanabe, H Yamada, S Yokozawa, T Ishihara, C Kaji, H Lee, KP Kajita, T Kaneyuki, K McLachlan, T Okumura, K Shimizu, Y Tanimoto, N Martens, K Vagins, MR Labarga, L Magro, LM Dufour, F Kearns, E Litos, M Raaf, JL Stone, JL Sulak, LR Goldhaber, M Bays, K Kropp, WR Mine, S Regis, C Smy, MB Sobel, HW Ganezer, KS Hill, J Keig, WE Jang, JS Kim, JY Lim, IT Albert, JB Scholberg, K Walter, CW Wendell, R Wongjirad, TM Tasaka, S Learned, JG Matsuno, S Hasegawa, T Ishida, T Ishii, T Kobayashi, T Nakadaira, T Nakamura, K Nishikawa, K Nishino, H Oyama, Y Sakashita, K Sekiguchi, T Tsukamoto, T Suzuki, AT Minamino, A Nakaya, T Fukuda, Y Itow, Y Mitsuka, G Tanaka, T Jung, CK Taylor, I Yanagisawa, C Ishino, H Kibayashi, A Mino, S Mori, T Sakuda, M Toyota, H Kuno, Y Kim, SB Yang, BS Ishizuka, T Okazawa, H Choi, Y Nishijima, K Koshiba, M Yokoyama, M Totsuka, Y Chen, S Heng, Y Yang, Z Zhang, H Kielczewska, D Mijakowski, P Connolly, K Dziomba, M Wilkes, RJ AF Abe, K. Hayato, Y. Iida, T. Ikeda, M. Iyogi, K. Kameda, J. Koshio, Y. Kozuma, Y. Miura, M. Moriyama, S. Nakahata, M. Nakayama, S. Obayashi, Y. Sekiya, H. Shiozawa, M. Suzuki, Y. Takeda, A. Takenaga, Y. Takeuchi, Y. Ueno, K. Ueshima, K. Watanabe, H. Yamada, S. Yokozawa, T. Ishihara, C. Kaji, H. Lee, K. P. Kajita, T. Kaneyuki, K. McLachlan, T. Okumura, K. Shimizu, Y. Tanimoto, N. Martens, K. Vagins, M. R. Labarga, L. Magro, L. M. Dufour, F. Kearns, E. Litos, M. Raaf, J. L. Stone, J. L. Sulak, L. R. Goldhaber, M. Bays, K. Kropp, W. R. Mine, S. Regis, C. Smy, M. B. Sobel, H. W. Ganezer, K. S. Hill, J. Keig, W. E. Jang, J. S. Kim, J. Y. Lim, I. T. Albert, J. B. Scholberg, K. Walter, C. W. Wendell, R. Wongjirad, T. M. Tasaka, S. Learned, J. G. Matsuno, S. Hasegawa, T. Ishida, T. Ishii, T. Kobayashi, T. Nakadaira, T. Nakamura, K. Nishikawa, K. Nishino, H. Oyama, Y. Sakashita, K. Sekiguchi, T. Tsukamoto, T. Suzuki, A. T. Minamino, A. Nakaya, T. Fukuda, Y. Itow, Y. Mitsuka, G. Tanaka, T. Jung, C. K. Taylor, I. Yanagisawa, C. Ishino, H. Kibayashi, A. Mino, S. Mori, T. Sakuda, M. Toyota, H. Kuno, Y. Kim, S. B. Yang, B. S. Ishizuka, T. Okazawa, H. Choi, Y. Nishijima, K. Koshiba, M. Yokoyama, M. Totsuka, Y. Chen, S. Heng, Y. Yang, Z. Zhang, H. Kielczewska, D. Mijakowski, P. Connolly, K. Dziomba, M. Wilkes, R. J. CA Super-Kamiokande Collaboration TI Search for Differences in Oscillation Parameters for Atmospheric Neutrinos and Antineutrinos at Super-Kamiokande SO PHYSICAL REVIEW LETTERS LA English DT Article ID MATTER AB We present a search for differences in the oscillations of antineutrinos and neutrinos in the Super-Kamiokande-I, -II, and -III atmospheric neutrino sample. Under a two-flavor disappearance model with separate mixing parameters between neutrinos and antineutrinos, we find no evidence for a difference in oscillation parameters. Best-fit antineutrino mixing is found to be at (Delta(m) over bar (2), sin(2)2 (theta) over bar) = (2.0 x 10(-3) eV(2), 1.0) and is consistent with the overall Super- K measurement. C1 [Abe, K.; Hayato, Y.; Iida, T.; Ikeda, M.; Iyogi, K.; Kameda, J.; Koshio, Y.; Kozuma, Y.; Miura, M.; Moriyama, S.; Nakahata, M.; Nakayama, S.; Obayashi, Y.; Sekiya, H.; Shiozawa, M.; Suzuki, Y.; Takeda, A.; Takenaga, Y.; Takeuchi, Y.; Ueno, K.; Ueshima, K.; Watanabe, H.; Yamada, S.; Yokozawa, T.] Univ Tokyo, Inst Cosm Ray Res, Kamioka Observ, Gifu 5061205, Japan. [Ishihara, C.; Kaji, H.; Lee, K. P.; Kajita, T.; Kaneyuki, K.; McLachlan, T.; Okumura, K.; Shimizu, Y.; Tanimoto, N.] Univ Tokyo, Inst Cosm Ray Res, Res Ctr Cosm Neutrinos, Kashiwa, Chiba 2778582, Japan. [Abe, K.; Hayato, Y.; Kameda, J.; Koshio, Y.; Miura, M.; Moriyama, S.; Nakahata, M.; Nakayama, S.; Obayashi, Y.; Sekiya, H.; Shiozawa, M.; Suzuki, Y.; Takeda, A.; Takeuchi, Y.; Kajita, T.; Kaneyuki, K.; Martens, K.; Vagins, M. R.; Kearns, E.; Stone, J. L.; Smy, M. B.; Sobel, H. W.; Scholberg, K.; Walter, C. W.; Nakamura, K.; Nakaya, T.] Univ Tokyo, Inst Phys & Math Universe, Kashiwa, Chiba 2778582, Japan. [Dufour, F.; Kearns, E.; Litos, M.; Raaf, J. L.; Stone, J. L.; Sulak, L. R.] Boston Univ, Dept Phys, Boston, MA 02215 USA. [Goldhaber, M.] Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA. [Vagins, M. R.; Bays, K.; Kropp, W. R.; Mine, S.; Regis, C.; Smy, M. B.; Sobel, H. W.] Univ Calif Irvine, Dept Phys & Astron, Irvine, CA 92697 USA. [Ganezer, K. S.; Hill, J.; Keig, W. E.] Calif State Univ Dominguez Hills, Dept Phys, Carson, CA 90747 USA. [Jang, J. S.; Kim, J. Y.; Lim, I. T.] Chonnam Natl Univ, Dept Phys, Kwangju 500757, South Korea. [Albert, J. B.; Scholberg, K.; Walter, C. W.; Wendell, R.; Wongjirad, T. M.] Duke Univ, Dept Phys, Durham, NC 27708 USA. [Tasaka, S.] Gifu Univ, Dept Phys, Gifu 5011193, Japan. [Learned, J. G.; Matsuno, S.] Univ Hawaii, Dept Phys & Astron, Honolulu, HI 96822 USA. [Hasegawa, T.; Ishida, T.; Ishii, T.; Kobayashi, T.; Nakadaira, T.; Nakamura, K.; Nishikawa, K.; Nishino, H.; Oyama, Y.; Sakashita, K.; Sekiguchi, T.; Tsukamoto, T.] High Energy Accelerator Res Org KEK, Tsukuba, Ibaraki 3050801, Japan. [Suzuki, A. T.] Kobe Univ, Dept Phys, Kobe, Hyogo 6578501, Japan. [Fukuda, Y.] Miyagi Univ Educ, Dept Phys, Sendai, Miyagi 9800845, Japan. [Itow, Y.; Mitsuka, G.; Tanaka, T.] Nagoya Univ, Solar Terr Environm Lab, Nagoya, Aichi 4648602, Japan. [Jung, C. K.; Taylor, I.; Yanagisawa, C.] SUNY Stony Brook, Dept Phys & Astron, Stony Brook, NY 11794 USA. [Ishino, H.; Kibayashi, A.; Mino, S.; Mori, T.; Sakuda, M.; Toyota, H.] Okayama Univ, Dept Phys, Okayama 7008530, Japan. [Kuno, Y.] Osaka Univ, Dept Phys, Toyonaka, Osaka 5600043, Japan. [Kim, S. B.; Yang, B. S.] Seoul Natl Univ, Dept Phys, Seoul 151742, South Korea. [Ishizuka, T.] Shizuoka Univ, Dept Syst Engn, Hamamatsu, Shizuoka 4328561, Japan. [Okazawa, H.] Shizuoka Univ Welf, Dept Informat Social Welf, Yaizu, Shizuoka 4258611, Japan. [Choi, Y.] Sungkyunkwan Univ, Dept Phys, Suwon 440746, South Korea. [Nishijima, K.] Tokai Univ, Dept Phys, Hiratsuka, Kanagawa 2591292, Japan. [Koshiba, M.; Yokoyama, M.; Totsuka, Y.] Univ Tokyo, Bunkyo Ku, Tokyo 1130033, Japan. [Chen, S.; Heng, Y.; Yang, Z.; Zhang, H.] Tsinghua Univ, Dept Engn Phys, Beijing 100084, Peoples R China. [Kielczewska, D.; Mijakowski, P.] Warsaw Univ, Inst Expt Phys, PL-00681 Warsaw, Poland. [Connolly, K.; Dziomba, M.; Wilkes, R. J.] Univ Washington, Dept Phys, Seattle, WA 98195 USA. [Labarga, L.; Magro, L. M.] Univ Autonoma Madrid, Dept Theoret Phys, E-28049 Madrid, Spain. [Itow, Y.] Nagoya Univ, Kobayashi Maskawa Inst Origin Particle & Universe, Nagoya, Aichi 4648602, Japan. [Minamino, A.; Nakaya, T.] Kyoto Univ, Dept Phys, Kyoto 6068502, Japan. RP Abe, K (reprint author), Univ Tokyo, Inst Cosm Ray Res, Kamioka Observ, Gifu 5061205, Japan. RI Sobel, Henry/A-4369-2011; Suzuki, Yoichiro/F-7542-2010; Yokoyama, Masashi/A-4458-2011; Martens, Kai/A-4323-2011; Obayashi, Yoshihisa/A-4472-2011; Wilkes, R.Jeffrey/E-6011-2013; Takeuchi, Yasuo/A-4310-2011; Kim, Soo-Bong/B-7061-2014; Ishino, Hirokazu/C-1994-2015; Koshio, Yusuke/C-2847-2015; Kibayashi, Atsuko/K-7327-2015 OI Raaf, Jennifer/0000-0002-4533-929X; Yokoyama, Masashi/0000-0003-2742-0251; Ishino, Hirokazu/0000-0002-8623-4080; Koshio, Yusuke/0000-0003-0437-8505; FU Japanese Ministry of Education, Culture, Sports, Science and Technology; United States Department of Energy; U.S. National Science Foundation; Korean Research Foundation; Korea Research Foundation (MOEHRD) [KRF-2008-521-c00072]; State Committee for Scientific Research in Poland [1757/B/H03/2008/35]; National Natural Science Foundation of China [10875062, 10911140109] FX We gratefully acknowledge the cooperation of the Kamioka Mining and Smelting Company. The Super-Kamiokande experiment has been built and operated from funding by the Japanese Ministry of Education, Culture, Sports, Science and Technology, the United States Department of Energy, and the U.S. National Science Foundation. Some of us have been supported by funds from the Korean Research Foundation (BK21), and the Korea Research Foundation Grants (MOEHRD, Basic Research Promotion Fund), (KRF-2008-521-c00072). Some of us have been supported by the State Committee for Scientific Research in Poland (Grant No. 1757/B/H03/2008/35). Some collaborators have been supported by the National Natural Science Foundation of China under Grants No. 10875062 and No. 10911140109. NR 16 TC 46 Z9 46 U1 0 U2 10 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 0031-9007 J9 PHYS REV LETT JI Phys. Rev. Lett. PD DEC 7 PY 2011 VL 107 IS 24 AR 241801 DI 10.1103/PhysRevLett.107.241801 PG 6 WC Physics, Multidisciplinary SC Physics GA 858KV UT WOS:000297796800004 ER PT J AU Stafford, RL Hinde, E Knight, MJ Pennella, MA Ear, J Digman, MA Gratton, E Bowie, JU AF Stafford, Ryan L. Hinde, Elizabeth Knight, Mary Jane Pennella, Mario A. Ear, Jason Digman, Michelle A. Gratton, Enrico Bowie, James U. TI Tandem SAM Domain Structure of Human Caskin1: A Presynaptic, Self-Assembling Scaffold for CASK SO STRUCTURE LA English DT Article ID POSTSYNAPTIC DENSITY; NEURAL DEVELOPMENT; SYNAPTIC FUNCTION; ACTIVE ZONE; PROTEIN; ORGANIZATION; FAMILY; ARCHITECTURE; COMPLEX; NEUROTRANSMISSION AB The synaptic scaffolding proteins CASK and Caskin1 are part of the fibrous mesh of proteins that organize the active zones of neural synapses. CASK binds to a region of caskin1 called the CASK interaction domain (CID). Adjacent to the CID, caskin1 contains two tandem sterile alpha motif (SAM) domains. Many SAM domains form polymers so they are good candidates for forming the fibrous structures seen in the active zone. We show here that the SAM domains of caskin1 form a new type of SAM helical polymer. The caskin1 polymer interface exhibits a remarkable segregation of charged residues, resulting in a high sensitivity to ionic strength in vitro. The caskin1 polymers can be decorated with CASK proteins, illustrating how these proteins may work together to organize the cytomatrix in active zones. C1 [Stafford, Ryan L.; Knight, Mary Jane; Pennella, Mario A.; Ear, Jason; Bowie, James U.] Univ Calif Los Angeles, Inst Mol Biol, UCLA DOE Inst Genom & Prote, Dept Chem & Biochem, Los Angeles, CA 90095 USA. [Hinde, Elizabeth; Digman, Michelle A.; Gratton, Enrico] Univ Calif Irvine, Fluorescence Dynam Lab, Dept Biomed Engn, Irvine, CA 92697 USA. RP Bowie, JU (reprint author), Univ Calif Los Angeles, Inst Mol Biol, UCLA DOE Inst Genom & Prote, Dept Chem & Biochem, Los Angeles, CA 90095 USA. EM bowie@mbi.ucla.edu FU National Institutes of Health [R01GM093393, NIH-P41-RRO3155, P50-GM076516, NIH-U54-GM064346]; National Institute of General Medical Sciences [F32GM084615] FX This work was supported by the National Institutes of Health grant R01GM093393 to J.U.B and NIH-P41-RRO3155, P50-GM076516, and NIH-U54-GM064346 Cell Migration Consortium to M.D. and E.G. R.L.S. was supported by a Ruth L. Kirschstein Postdoctoral Fellowship grant number F32GM084615 from the National Institute of General Medical Sciences. We also thank Zenta Walther (Yale) for donation of a plasmid containing CASK cDNA, Mike Sawaya (UCLA) for assistance with x-ray crystallography experiments, Sergey Ryazantsev (UCLA/CNSI/EICN) for discussions about electron microscopy data, and Milka Stakic for transfection of the CHO-K1 cells. The authors declare no conflicts of interest. NR 53 TC 14 Z9 16 U1 0 U2 5 PU CELL PRESS PI CAMBRIDGE PA 600 TECHNOLOGY SQUARE, 5TH FLOOR, CAMBRIDGE, MA 02139 USA SN 0969-2126 EI 1878-4186 J9 STRUCTURE JI Structure PD DEC 7 PY 2011 VL 19 IS 12 BP 1826 EP 1836 DI 10.1016/j.str.2011.09.018 PG 11 WC Biochemistry & Molecular Biology; Biophysics; Cell Biology SC Biochemistry & Molecular Biology; Biophysics; Cell Biology GA 859XA UT WOS:000297907900016 PM 22153505 ER PT J AU McAndrew, RP Peralta-Yahya, PP DeGiovanni, A Pereira, JH Hadi, MZ Keesling, JD Adams, PD AF McAndrew, Ryan P. Peralta-Yahya, Pamela P. DeGiovanni, Andy Pereira, Jose H. Hadi, Masood Z. Keesling, Jay D. Adams, Paul D. TI Structure of a Three-Domain Sesquiterpene Synthase: A Prospective Target for Advanced Biofuels Production SO STRUCTURE LA English DT Article ID FIR ABIES-GRANDIS; NITROGEN-CONTAINING BISPHOSPHONATES; FARNESYL DIPHOSPHATE SYNTHASE; GAMMA-HUMULENE SYNTHASE; DELTA-SELINENE SYNTHASE; CRYSTAL-STRUCTURE; TRICHODIENE SYNTHASE; TERPENE BIOSYNTHESIS; BACTERIAL EXPRESSION; CDNA ISOLATION AB The sesquiterpene bisabolene was recently identified as a biosynthetic precursor to bisabolane, an advanced biofuel with physicochemical properties similar to those of D2 diesel. High-titer microbial bisabolene production was achieved using Abies grandis a-bisabolene synthase (AgBIS). Here, we report the structure of AgBIS, a three-domain plant sesquiterpene synthase, crystallized in its apo form and bound to five different inhibitors. Structural and biochemical characterization of the AgBIS terpene synthase Class I active site leads us to propose a catalytic mechanism for the cyclization of farnesyl diphosphate into bisabolene via a bisabolyl cation intermediate. Further, we describe the nonfunctional AgBIS Class II active site whose high similarity to bifunctional diterpene synthases makes it an important link in understanding terpene synthase evolution. Practically, the AgBIS crystal structure is important in future protein engineering efforts to increase the microbial production of bisabolene. C1 [McAndrew, Ryan P.; Peralta-Yahya, Pamela P.; DeGiovanni, Andy; Pereira, Jose H.; Hadi, Masood Z.; Keesling, Jay D.; Adams, Paul D.] Joint BioEnergy Inst, Oakland, CA 94608 USA. [McAndrew, Ryan P.; Peralta-Yahya, Pamela P.; DeGiovanni, Andy; Pereira, Jose H.; Hadi, Masood Z.; Keesling, Jay D.; Adams, Paul D.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Phys Biosci Div, Berkeley, CA 94720 USA. [Peralta-Yahya, Pamela P.; Keesling, Jay D.] Univ Calif Berkeley, Inst QB3, Berkeley, CA 94720 USA. [Keesling, Jay D.] Univ Calif Berkeley, Dept Chem & Biomol Engn, Berkeley, CA 94720 USA. [Keesling, Jay D.; Adams, Paul D.] Univ Calif Berkeley, Dept Bioengn, Berkeley, CA 94720 USA. [Hadi, Masood Z.] Sandia Natl Labs, Livermore, CA 94551 USA. RP Adams, PD (reprint author), Joint BioEnergy Inst, 5885 Hollis Ave, Oakland, CA 94608 USA. EM pdadams@lbl.gov RI Keasling, Jay/J-9162-2012; Adams, Paul/A-1977-2013 OI Keasling, Jay/0000-0003-4170-6088; Adams, Paul/0000-0001-9333-8219 FU U.S. Department of Energy, Office of Science, Office of Biological and Environmental Research [DE-AC02-05CH11231]; National Institutes of Health; National Institute of General Medical Sciences; Howard Hughes Medical Institute; Office of Science, Office of Basic Energy Sciences, of the U.S. Department of Energy [DE-AC02-05CH11231] FX This work was part of the DOE Joint BioEnergy Institute (http://www.jbei.org) supported by the U.S. Department of Energy, Office of Science, Office of Biological and Environmental Research, through contract DE-AC02-05CH11231 between Lawrence Berkeley National Laboratory and the U.S. Department of Energy. The Berkeley Center for Structural Biology is supported in part by the National Institutes of Health, National Institute of General Medical Sciences, and the Howard Hughes Medical Institute. The Advanced Light Source is supported by the Director, Office of Science, Office of Basic Energy Sciences, of the U.S. Department of Energy under Contract No. DE-AC02-05CH11231. All authors designed the experiments. R.M. P.P-Y., and A.D. performed the experiments. P.P-Y., R.M., M.Z.H., J.D.K., and P.D.A. wrote the manuscript. J.D.K. has financial interests in Amyris Biotechnologies and LS9 INC. NR 44 TC 33 Z9 33 U1 2 U2 39 PU CELL PRESS PI CAMBRIDGE PA 600 TECHNOLOGY SQUARE, 5TH FLOOR, CAMBRIDGE, MA 02139 USA SN 0969-2126 EI 1878-4186 J9 STRUCTURE JI Structure PD DEC 7 PY 2011 VL 19 IS 12 BP 1876 EP 1884 DI 10.1016/j.str.2011.09.013 PG 9 WC Biochemistry & Molecular Biology; Biophysics; Cell Biology SC Biochemistry & Molecular Biology; Biophysics; Cell Biology GA 859XA UT WOS:000297907900021 PM 22153510 ER PT J AU Jungthawan, S Limpijumnong, S Kuo, JL AF Jungthawan, Sirichok Limpijumnong, Sukit Kuo, Jer-Lai TI Electronic structures of graphene/boron nitride sheet superlattices SO PHYSICAL REVIEW B LA English DT Article ID COMPOSITE B(X)C(Y)N(Z) NANOTUBES; TOTAL-ENERGY CALCULATIONS; AUGMENTED-WAVE METHOD; BORON-NITRIDE; ULTRASOFT PSEUDOPOTENTIALS; CARBON NANOTUBES; FACILE SYNTHESIS; DIRAC FERMIONS; BASIS-SET; BAND-GAP AB Single-sheet graphene/boron nitride superlattices (SLs) are studied by a first-principles density functional theory approach to form a basic understanding for engineering a graphene band gap. The formation energy and electronic properties of SLs with different orientations (armchair or zigzag boundary) and stripe widths (2.16-14.80 angstrom) are studied. The trends of the formation energy with respect to the stripe widths and orientations are explained by the differences in bond energies and simple coulombic forces between ions. Regarding the electronic properties, it is found that not all SLs have a nonzero band gap. The band gap size and band edge locations can be explained by the Brillouin zone folding, the symmetry of SLs, and the effects from the graphene/boron nitride edges. The factors that cause the band gap opening and those that lift it are analyzed and discussed. The detailed electronic states near the band edges of each SL group are analyzed by directly plotting the charge densities, as well as utilizing a simple tight-binding model to resolve their characteristics. C1 [Jungthawan, Sirichok; Limpijumnong, Sukit] Suranaree Univ Technol, Sch Phys, Inst Sci, Nakhon Ratchasima 30000, Thailand. [Jungthawan, Sirichok; Limpijumnong, Sukit] Synchrotron Light Res Inst, Nakhon Ratchasima 30000, Thailand. [Jungthawan, Sirichok] Minist Educ, Thailand Ctr Excellence Phys ThEP, Commiss Higher Educ, Bangkok 10400, Thailand. [Jungthawan, Sirichok; Kuo, Jer-Lai] Acad Sinica, Inst Atom & Mol Sci, Taipei 10617, Taiwan. [Limpijumnong, Sukit] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA. RP Jungthawan, S (reprint author), Suranaree Univ Technol, Sch Phys, Inst Sci, Nakhon Ratchasima 30000, Thailand. EM sirichok@sut.ac.th RI Kuo, Jer-Lai/F-5689-2010 FU Thailand Research Fund [MRG5280235]; Academia Sinica; National Science Council of Taiwan [NSC98-2113-M-001-029-MY3]; National Center for Theoretical Sciences (South), Taiwan FX We acknowledge fruitful discussions with M.-Y. Chou. This work is financially supported by Thailand Research Fund (Grant No. MRG5280235), Academia Sinica, National Science Council of Taiwan (Grant No. NSC98-2113-M-001-029-MY3), and National Center for Theoretical Sciences (South), Taiwan. NR 60 TC 19 Z9 19 U1 1 U2 35 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1098-0121 EI 1550-235X J9 PHYS REV B JI Phys. Rev. B PD DEC 6 PY 2011 VL 84 IS 23 AR 235424 DI 10.1103/PhysRevB.84.235424 PG 9 WC Physics, Condensed Matter SC Physics GA 935HF UT WOS:000303509000010 ER PT J AU Yang, J Qiu, P Liu, R Xi, L Zheng, S Zhang, W Chen, L Singh, DJ Yang, JH AF Yang, Jiong Qiu, P. Liu, R. Xi, L. Zheng, S. Zhang, W. Chen, L. Singh, D. J. Yang, Jihui TI Trends in electrical transport of p-type skutterudites RFe4Sb12 (R = Na, K, Ca, Sr, Ba, La, Ce, Pr, Yb) from first-principles calculations and Boltzmann transport theory SO PHYSICAL REVIEW B LA English DT Article ID AUGMENTED-WAVE METHOD; FILLED SKUTTERUDITES; THERMOELECTRIC PROPERTIES; ELECTRONIC-STRUCTURE; FILLING FRACTION; PERFORMANCE; ANTIMONIDES; BEHAVIOR; COSB3; CEFE4SB12 AB We report a consistent set of ab initio calculations of the electronic structures and electrical transport properties of p-type thermoelectric compounds RFe4Sb12, where R is a rattling filler selected from alkali metals (Na, K), alkaline earths (Ca, Sr, Ba), and rare earth metals (La, Ce, Pr, Yb). Different from the single Sb-dominated light band in the valence band edge of CoSb3, the heavy bands from Fe d electronic states also fall in the energy range close to the valence band edges in the RFe4Sb12. These heavy bands dominate the band-edge density of states, pin the Fermi levels, and mostly determine the electrical transport properties of those p-type RFe4Sb12. The Seebeck coefficients can be roughly categorized into three groups based on the charge states of fillers, and the maxima are lower than those of n-type CoSb3 skutterudites. Effective carrier relaxation time in p-type RFe4Sb12, obtained from the combinations of calculations and experiments, is remarkably similar among different compounds with values around 7.5 x 10 (15) s and weak temperature dependence. The optimal doping levels of those RFe4Sb12 are estimated to be around 0.6-0.8 holes per unit cell at 850 K, which is difficult to achieve in RFe4Sb12 compounds. Prospects for further improving the performance of p-type skutterudites are also discussed. C1 [Yang, Jiong; Qiu, P.; Liu, R.; Xi, L.; Zheng, S.; Zhang, W.; Chen, L.] Chinese Acad Sci, Shanghai Inst Ceram, State Key Lab High Performance Ceram & Superfine, Shanghai 200050, Peoples R China. [Singh, D. J.] Oak Ridge Natl Lab, Mat Sci & Technol Div, Oak Ridge, TN 37831 USA. [Yang, Jihui] Univ Washington, Dept Mat Sci & Engn, Seattle, WA 98195 USA. RP Yang, J (reprint author), Chinese Acad Sci, Shanghai Inst Ceram, State Key Lab High Performance Ceram & Superfine, Shanghai 200050, Peoples R China. EM wqzhang@mail.sic.ac.cn RI Chen, Lidong/F-2705-2010; Singh, David/I-2416-2012; Zhang, Wenqing/K-1236-2012; Yang, Jihui/A-3109-2009; Yang, Jiong/K-6330-2014 OI Yang, Jiong/0000-0002-5862-5981 FU National Basic Research Program of China [2007CB607500]; National Natural Science Foundation of China [11004210, 50825205, 51028201, 50821004]; Science Foundation for Youth Scholar of State Key Laboratory of High Performance Ceramics and Superfine Microstructures [SKL201004]; Department of Energy, Office of Basic Energy Sciences, S3TEC Energy Frontier Research Center FX This work is in part supported by National Basic Research Program of China (No. 2007CB607500), National Natural Science Foundation of China (Grant Nos. 11004210, 50825205, 51028201, and 50821004), Science Foundation for Youth Scholar of State Key Laboratory of High Performance Ceramics and Superfine Microstructures (No. SKL201004). Work at Oak Ridge National Laboratory is supported by the Department of Energy, Office of Basic Energy Sciences as part of the S3TEC Energy Frontier Research Center. NR 63 TC 38 Z9 38 U1 2 U2 43 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1098-0121 J9 PHYS REV B JI Phys. Rev. B PD DEC 6 PY 2011 VL 84 IS 23 AR 235205 DI 10.1103/PhysRevB.84.235205 PG 10 WC Physics, Condensed Matter SC Physics GA 935HF UT WOS:000303509000007 ER PT J AU Aad, G Abbott, B Abdallah, J Abdelalim, AA Abdesselam, A Abdinov, O Abi, B Abolins, M Abramowicz, H Abreu, H Acerbi, E Acharya, BS Adams, DL Addy, TN Adelman, J Aderholz, M Adomeit, S Adragna, P Adye, T Aefsky, S Aguilar-Saavedra, JA Aharrouche, M Ahlen, SP Ahles, F Ahmad, A Ahsan, M Aielli, G Akdogan, T Akesson, TPA Akimoto, G Akimov, AV Akiyama, A Alam, MS Alam, MA Albert, J Albrand, S Aleksa, M Aleksandrov, IN Alessandria, F Alexa, C Alexander, G Alexandre, G Alexopoulos, T Alhroob, M Aliev, M Alimonti, G Alison, J Aliyev, M Allport, PP Allwood-Spiers, SE Almond, J Aloisio, A Alon, R Alonso, A Alviggi, MG Amako, K Amaral, P Amelung, C Ammosov, VV Amorim, A Amoros, G Amram, N Anastopoulos, C Ancu, LS Andari, N Andeen, T Anders, CF Anders, G Anderson, KJ Andreazza, A Andrei, V Andrieux, ML Anduaga, XS Angerami, A Anghinolfi, F Anjos, N Annovi, A Antonaki, A Antonelli, M Antonov, A Antos, J Anulli, F Aoun, S Bella, LA Apolle, R Arabidze, G Aracena, I Arai, Y Arce, ATH Archambault, JP Arfaoui, S Arguin, JF Arik, E Arik, M Armbruster, AJ Arnaez, O Arnault, C Artamonov, A Artoni, G Arutinov, D Asai, S Asfandiyarov, R Ask, S Asman, B Asquith, L Assamagan, K Astbury, A Astvatsatourov, A Atoian, G Aubert, B Auerbach, B Auge, E Augsten, K Aurousseau, M Austin, N Avolio, G Avramidou, R Axen, D Ay, C Azuelos, G Azuma, Y Baak, MA Baccaglioni, G Bacci, C Bach, AM Bachacou, H Bachas, K Bachy, G Backes, M Backhaus, M Badescu, E Bagnaia, P Bahinipati, S Bai, Y Bailey, DC Bain, T Baines, JT Baker, OK Baker, MD Baker, S Banas, E Banerjee, P Banerjee, S Banfi, D Bangert, A Bansal, V Bansil, HS Barak, L Baranov, SP Barashkou, A Galtieri, AB Barber, T Barberio, EL Barberis, D Barbero, M Bardin, DY Barillari, T Barisonzi, M Barklow, T Barlow, N Barnett, BM Barnett, RM Baroncelli, A Barone, G Barr, AJ Barreiro, F da Costa, JBG Barrillon, P Bartoldus, R Barton, AE Bartsch, D Bartsch, V Bates, RL Batkova, L Batley, JR Battaglia, A Battistin, M Battistoni, G Bauer, F Bawa, HS Beare, B Beau, T Beauchemin, PH Beccherle, R Bechtle, P Beck, HP Beckingham, M Becks, KH Beddall, AJ Beddall, A Bedikian, S Bednyakov, VA Bee, CP Begel, M Harpaz, SB Behera, PK Beimforde, M Belanger-Champagne, C Bell, PJ Bell, WH Bella, G Bellagamba, L Bellina, F Bellomo, M Belloni, A Beloborodova, O Belotskiy, K Beltramello, O Ben Ami, S Benary, O Benchekroun, D Benchouk, C Bendel, M Benekos, N Benhammou, Y Benjamin, DP Benoit, M Bensinger, JR Benslama, K Bentvelsen, S Berge, D Kuutmann, EB Berger, N Berghaus, F Berglund, E Beringer, J Bernardet, K Bernat, P Bernhard, R Bernius, C Berry, T Bertin, A Bertinelli, F Bertolucci, F Besana, MI Besson, N Bethke, S Bhimji, W Bianchi, RM Bianco, M Biebel, O Bieniek, SR Bierwagen, K Biesiada, J Biglietti, M Bilokon, H Bindi, M Binet, S Bingul, A Bini, C Biscarat, C Bitenc, U Black, KM Blair, RE Blanchard, JB Blanchot, G Blazek, T Blocker, C Blocki, J Blondel, A Blum, W Blumenschein, U Bobbink, GJ Bobrovnikov, VB Bocchetta, SS Bocci, A Boddy, CR Boehler, M Boek, J Boelaert, N Boser, S Bogaerts, JA Bogdanchikov, A Bogouch, A Bohm, C Boisvert, V Bold, T Boldea, V Bolnet, NM Bona, M Bondarenko, VG Boonekamp, M Boorman, G Booth, CN Bordoni, S Borer, C Borisov, A Borissov, G Borjanovic, I Borroni, S Bos, K Boscherini, D Bosman, M Boterenbrood, H Botterill, D Bouchami, J Boudreau, J Bouhova-Thacker, EV Bourdarios, C Bousson, N Boveia, A Boyd, J Boyko, IR Bozhko, NI Bozovic-Jelisavcic, I Bracinik, J Braem, A Branchini, P Brandenburg, GW Brandt, A Brandt, G Brandt, O Bratzler, U Brau, B Brau, JE Braun, HM Brelier, B Bremer, J Brenner, R Bressler, S Breton, D Britton, D Brochu, FM Brock, I Brock, R Brodbeck, TJ Brodet, E Broggi, F Bromberg, C Brooijmans, G Brooks, WK Brown, G Brown, H de Renstrom, PAB Bruncko, D Bruneliere, R Brunet, S Bruni, A Bruni, G Bruschi, M Buanes, T Bucci, F Buchanan, J Buchanan, NJ Buchholz, P Buckingham, RM Buckley, AG Buda, SI Budagov, IA Budick, B Buscher, V Bugge, L Buira-Clark, D Bulekov, O Bunse, M Buran, T Burckhart, H Burdin, S Burgess, T Burke, S Busato, E Bussey, P Buszello, CP Butin, F Butler, B Butler, JM Buttar, CM Butterworth, JM Buttinger, W Byatt, T Urban, SC Caforio, D Cakir, O Calafiura, P Calderini, G Calfayan, P Calkins, R Caloba, LP Caloi, R Calvet, D Calvet, S Toro, RC Camarri, P Cambiaghi, M Cameron, D Campana, S Campanelli, M Canale, V Canelli, F Canepa, A Cantero, J Capasso, L Garrido, MDMC Caprini, I Caprini, M Capriotti, D Capua, M Caputo, R Caramarcu, C Cardarelli, R Carli, T Carlino, G Carminati, L Caron, B Caron, S Montoya, GDC Carter, AA Carter, JR Carvalho, J Casadei, D Casado, MP Cascella, M Caso, C Hernandez, AMC Castaneda-Miranda, E Gimenez, VC Castro, NF Cataldi, G Cataneo, F Catinaccio, A Catmore, JR Cattai, A Cattani, G Caughron, S Cauz, D Cavalleri, P Cavalli, D Cavalli-Sforza, M Cavasinni, V Ceradini, F Cerqueira, AS Cerri, A Cerrito, L Cerutti, F Cetin, SA Cevenini, F Chafaq, A Chakraborty, D Chan, K Chapleau, B Chapman, JD Chapman, JW Chareyre, E Charlton, DG Chavda, V Barajas, CAC Cheatham, S Chekanov, S Chekulaev, SV Chelkov, GA Chelstowska, MA Chen, C Chen, H Chen, S Chen, T Chen, X Cheng, S Cheplakov, A Chepurnov, VF El Moursli, RC Chernyatin, V Cheu, E Cheung, SL Chevalier, L Chiefari, G Chikovani, L Childers, JT Chilingarov, A Chiodini, G Chizhov, MV Choudalakis, G Chouridou, S Christidi, IA Christov, A Chromek-Burckhart, D Chu, ML Chudoba, J Ciapetti, G Ciba, K Ciftci, AK Ciftci, R Cinca, D Cindro, V Ciobotaru, MD Ciocca, C Ciocio, A Cirilli, M Ciubancan, M Clark, A Clark, PJ Cleland, W Clemens, JC Clement, B Clement, C Clifft, RW Coadou, Y Cobal, M Coccaro, A Cochran, J Coe, P Cogan, JG Coggeshall, J Cogneras, E Cojocaru, CD Colas, J Colijn, AP Collard, C Collins, NJ Collins-Tooth, C Collot, J Colon, G Muino, PC Coniavitis, E Conidi, MC Consonni, M Consorti, V Constantinescu, S Conta, C Conventi, F Cook, J Cooke, M Cooper, BD Cooper-Sarkar, AM Cooper-Smith, NJ Copic, K Cornelissen, T Corradi, M Corriveau, F Cortes-Gonzalez, A Cortiana, G Costa, G Costa, MJ Costanzo, D Costin, T Cote, D Torres, RC Courneyea, L Cowan, G Cowden, C Cox, BE Cranmer, K Crescioli, F Cristinziani, M Crosetti, G Crupi, R Crepe-Renaudin, S Cuciuc, CM Almenar, CC Donszelmann, TC Curatolo, M Curtis, CJ Cwetanski, P Czirr, H Czyczula, Z D'Auria, S D'Onofrio, M D'Orazio, A Da Silva, PVM Da Via, C Dabrowski, W Dai, T Dallapiccola, C Dam, M Dameri, M Damiani, DS Danielsson, HO Dannheim, D Dao, V Darbo, G Darlea, GL Daum, C Dauvergne, JP Davey, W Davidek, T Davidson, N Davidson, R Davies, E Davies, M Davison, AR Davygora, Y Dawe, E Dawson, I Dawson, J Daya, RK De, K de Asmundis, R De Castro, S Salgado, PEDF De Cecco, S de Graat, J Groot, N de Jong, P De La Taille, C De la Torre, H De Lotto, B Mora, L De Nooij, L Branco, MD De Pedis, D De Salvo, A Sanctis, U De Santo, A De Regie, JBD Dean, S Dedovich, DV Degenhardt, J Dehchar, M Del Papa, C Del Peso, J Del Prete, T Deliyergiyev, M Dell'Acqua, A Dell'Asta, L Della Pietra, M della Volpe, D Delmastro, M Delpierre, P Delruelle, N Delsart, PA Deluca, C Demers, S Demichev, M Demirkoz, B Deng, J Denisov, SP Derendarz, D Derkaoui, JE Derue, F Dervan, P Desch, K Devetak, E Deviveiros, PO Dewhurst, A DeWilde, B Dhaliwal, S Dhullipudi, R Di Ciaccio, A Di Ciaccio, L Di Girolamo, A Di Girolamo, B Di Luise, S Di Mattia, A Di Micco, B Di Nardo, R Di Simone, A Di Sipio, R Diaz, MA Diblen, F Diehl, EB Dietrich, J Dietzsch, TA Diglio, S Yagci, KD Dingfelder, J Dionisi, C Dita, P Dita, S Dittus, F Djama, F Djobava, T do Vale, MAB Wemans, AD Doan, TKO Dobbs, M Dobinson, R Dobos, D Dobson, E Dobson, M Dodd, J Doglioni, C Doherty, T Doi, Y Dolejsi, J Dolenc, I Dolezal, Z Dolgoshein, BA Dohmae, T Donadelli, M Donega, M Donini, J Dopke, J Doria, A Dos Anjos, A Dosil, M Dotti, A Dova, MT Dowell, JD Doxiadis, AD Doyle, AT Drasal, Z Drees, J Dressnandt, N Drevermann, H Driouichi, C Dris, M Dubbert, J Dubbs, T Dube, S Duchovni, E Duckeck, G Dudarev, A Dudziak, F Duhrssen, M Duerdoth, IP Duflot, L Dufour, MA Dunford, M Yildiz, HD Duxfield, R Dwuznik, M Dydak, F Dzahini, D Duren, M Ebenstein, WL Ebke, J Eckert, S Eckweiler, S Edmonds, K Edwards, CA Edwards, NC Ehrenfeld, W Ehrich, T Eifert, T Eigen, G Einsweiler, K Eisenhandler, E Ekelof, T El Kacimi, M Ellert, M Elles, S Ellinghaus, F Ellis, K Ellis, N Elmsheuser, J Elsing, M Emeliyanov, D Engelmann, R Engl, A Epp, B Eppig, A Erdmann, J Ereditato, A Eriksson, D Ernst, J Ernst, M Ernwein, J Errede, D Errede, S Ertel, E Escalier, M Escobar, C Curull, XE Esposito, B Etienne, F Etienvre, AI Etzion, E Evangelakou, D Evans, H Fabbri, L Fabre, C Fakhrutdinov, RM Falciano, S Fang, Y Fanti, M Farbin, A Farilla, A Farley, J Farooque, T Farrington, SM Farthouat, P Fassnacht, P Fassouliotis, D Fatholahzadeh, B Favareto, A Fayard, L Fazio, S Febbraro, R Federic, P Fedin, OL 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Zhou, N. Zhou, Y. Zhu, C. G. Zhu, H. Zhu, J. Zhu, Y. Zhuang, X. Zhuravlov, V. Zieminska, D. Zimmermann, R. Zimmermann, S. Zimmermann, S. Ziolkowski, M. Zitoun, R. Zivkovic, L. Zmouchko, V. V. Zobernig, G. Zoccoli, A. Zolnierowski, Y. Zsenei, A. zur Nedden, M. Zutshi, V. Zwalinski, L. CA ATLAS Collaboration TI Measurement of the inclusive isolated prompt photon cross-section in pp collisions at root s=7 TeV using 35 pb(-1) of ATLAS data SO PHYSICS LETTERS B LA English DT Article DE Photon; ATLAS; LHC; Standard Model ID SCATTERING AB A measurement of the differential cross-section for the inclusive production of isolated prompt photons in pp collisions at a center-of-mass energy root s = 7 TeV is presented. The measurement covers the pseudorapidity ranges vertical bar eta vertical bar < 1.37 and 1.52 <= vertical bar eta vertical bar < 2.37 in the transverse energy range 45 <= E-T < 400 GeV. The results are based on an integrated luminosity of 35 pb(-1), collected with the ATLAS detector at the LHC. The yields of the signal photons are measured using a data-driven technique, based on the observed distribution of the hadronic energy in a narrow cone around the photon candidate and the photon selection criteria. The results are compared with next-to-leading order perturbative QCD calculations and found to be in good agreement over four orders of magnitude in cross-section. (C) 2011 CERN. Published by Elsevier B.V. All rights reserved. C1 [Akdogan, T.; Arik, E.; Arik, M.; Istin, S.; Ozcan, V. E.; Rador, T.] Bogazici Univ, Dept Phys, Istanbul, Turkey. [Alam, M. S.; Ernst, J.; Rojo, V.] SUNY Albany, Albany, NY 12222 USA. [Buchanan, N. J.; Chan, K.; Gingrich, D. M.; Kim, M. S.; Liu, S.; Pinfold, J. L.; Soni, N.; Subramania, H. S.] Univ Alberta, Dept Phys, Edmonton, AB, Canada. [Cakir, O.; Ciftci, A. K.; Ciftci, R.; Persembe, S.] Ankara Univ, Dept Phys, TR-06100 Ankara, Turkey. 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H.; Husemann, U.; Belenguer, M. Jimenez; Johnert, S.; Karnevskiy, M.; Katzy, J.; Kono, T.; Kuhl, T.; Lange, C.; Lobodzinska, E.; Ludwig, D.; Maettig, S.; Medinnis, M.; Mijovic, L.; Moenig, K.; Naumann, T.; Nozicka, M.; Cavalcanti, T. Perez; Petschull, D.; Piec, S. M.; Placakyte, R.; Qin, Z.; Rubinskiy, I.; Tackmann, K.; Terwort, M.; Vankov, P.; Viti, M.; Wildt, M. A.; Zhu, H.] DESY, D-2000 Hamburg, Germany. [Bechtle, P.; Kuutmann, E. Bergeaas; Boehler, M.; Dietrich, J.; Ehrenfeld, W.; Ferrara, V.; Fischer, G.; Glazov, A.; Goebel, M.; Fajardo, L. S. Gomez; Da Costa, J. Goncalves Pinto Firmino; Gosdzik, B.; Grahn, K. -J.; Gregor, I. M.; Hiller, K. H.; Husemann, U.; Belenguer, M. Jimenez; Johnert, S.; Karnevskiy, M.; Katzy, J.; Kono, T.; Kuhl, T.; Lange, C.; Lobodzinska, E.; Ludwig, D.; Maettig, S.; Medinnis, M.; Mijovic, L.; Moenig, K.; Naumann, T.; Nozicka, M.; Cavalcanti, T. Perez; Petschull, D.; Piec, S. M.; Placakyte, R.; Qin, Z.; Rubinskiy, I.; Tackmann, K.; Terwort, M.; Vankov, P.; Viti, M.; Wildt, M. A.; Zhu, H.] DESY, Zeuthen, Germany. [Bunse, M.; Dobos, D.; Goessling, C.; Hirsch, F.; Klaiber-Lodewigs, J.; Klingenberg, R.; Reisinger, I.; Walbersloh, J.; Weber, J.; Wunstorf, R.] Tech Univ Dortmund, Inst Expt Phys 4, Dortmund, Germany. [Friedrich, F.; Goepfert, T.; Kar, D.; Kobel, M.; Leonhardt, K.; Ludwig, A.; Mader, W. F.; Prudent, X.; Rudolph, C.; Schwierz, R.; Seifert, F.; Steinbach, P.; Straessner, A.; Vest, A.] Tech Univ Dresden, Inst Kern & Teilchenphys, D-01062 Dresden, Germany. [Arce, A. T. H.; Benjamin, D. P.; Bocci, A.; Ebenstein, W. L.; Fowler, A. J.; Ko, B. R.; Kotwal, A.; Oh, S. H.; Wang, C.; Yamaoka, J.] Duke Univ, Dept Phys, Durham, NC 27706 USA. [Bhimji, W.; Buckley, A. G.; Clark, P. J.; O'Brien, B. J.; Wynne, B. M.] Univ Edinburgh, SUPA Sch Phys & Astron, Edinburgh, Midlothian, Scotland. Fachhochschule Wiener Neustadt, A-2700 Wiener Neustadt, Austria. [Annovi, A.; Antonelli, M.; Bilokon, H.; Cerutti, F.; Curatolo, M.; Esposito, B.; Ferrer, M. L.; Gatti, C.; Laurelli, P.; Maccarrone, G.; Sansoni, A.; Testa, M.; Vilucchi, E.; Volpi, G.; Wen, M.] Ist Nazl Fis Nucl, Lab Nazl Frascati, I-00044 Frascati, Italy. [Aad, G.; Ahles, F.; Beckingham, M.; Bernhard, R.; Bitenc, U.; Bruneliere, R.; Caron, S.; Christov, A.; Consorti, V.; Eckert, S.; Fehling-Kaschek, M.; Flechl, M.; Glatzer, J.; Hartert, J.; Herten, G.; Horner, S.; Jakobs, K.; Ketterer, C.; Kollefrath, M.; Kononov, A. I.; Kuehn, S.; Lai, S.; Landgraf, U.; Lohwasser, K.; Ludwig, I.; Ludwig, J.; Lumb, D.; Mahboubi, K.; Meinhardt, J.; Mohr, W.; Nilsen, H.; Parzefall, U.; Rammensee, M.; Runge, K.; Rurikova, Z.; Schmidt, E.; Schumacher, M.; Siegert, F.; Stoerig, K.; Sundermann, J. E.; Temming, K. K.; Thoma, S.; Tobias, J.; Tsiskaridze, V.; Venturi, M.; Vivarelli, I.; von Radziewski, H.; Warsinsky, M.; Weiser, C.; Werner, M.; Wiik, L. A. M.; Winkelmann, S.; Xie, S.; Zimmermann, S.] Univ Freiburg, Fak Math & Phys, D-79106 Freiburg, Germany. [Abdelalim, A. A.; Alexandre, G.; Backes, M.; Barone, G.; Bell, P. J.; Bell, W. H.; Berglund, E.; Blondel, A.; Bucci, F.; Clark, A.; Dao, V.; Ferrere, D.; Gadomski, S.; Navarro, J. E. Garcia; Gaumer, O.; Gonzalez-Sevilla, S.; Goulette, M. P.; Hamilton, A.; Iacobucci, G.; Leger, A.; Lister, A.; Latour, B. Martin Dit; Herrera, C. Mora; Nektarijevic, S.; Nessi, M.; Nikolics, K.; Pasztor, G.; Pohl, M.; Robichaud-Veronneau, A.; Rosbach, K.; Rosselet, L.; Wu, X.] Univ Geneva, Sect Phys, Geneva, Switzerland. [Barberis, D.; Beccherle, R.; Caso, C.; Coccaro, A.; Cornelissen, T.; Dameri, M.; Darbo, G.; Parodi, A. Ferretto; Gagliardi, G.; Gemme, C.; Morettini, P.; Olcese, M.; Osculati, B.; Parodi, F.; Rossi, L. P.; Schiavi, C.] Ist Nazl Fis Nucl, Sez Genova, I-16146 Genoa, Italy. [Barberis, D.; Caso, C.; Coccaro, A.; Cornelissen, T.; Dameri, M.; Parodi, A. Ferretto; Gagliardi, G.; Osculati, B.; Parodi, F.; Schiavi, C.] Univ Genoa, Dipartimento Fis, Genoa, Italy. [Chikovani, L.; Djobava, T.; Khubua, J.; Mchedlidze, G.; Mosidze, M.; Tskhadadze, E. G.] Georgian Acad Sci, Inst Phys, GE-380077 Tbilisi, Rep of Georgia. [Chikovani, L.; Djobava, T.; Khubua, J.; Mchedlidze, G.; Mosidze, M.; Tskhadadze, E. G.] Georgian Acad Sci, HEP Inst, GE-380077 Tbilisi, Rep of Georgia. [Chikovani, L.; Djobava, T.; Khubua, J.; Mchedlidze, G.; Mosidze, M.; Tskhadadze, E. G.] Tbilisi State Univ, GE-380086 Tbilisi, Rep of Georgia. [Astvatsatourov, A.; Dueren, M.; Stenzel, H.] Univ Giessen, Inst Phys 2, D-6300 Giessen, Germany. [Allwood-Spiers, S. E.; Bates, R. L.; Britton, D.; Bussey, P.; Buttar, C. M.; Collins-Tooth, C.; D'Auria, S.; Doherty, T.; Doyle, A. T.; Edwards, N. C.; Ferrag, S.; Ferrando, J.; Gemmell, A.; Kenyon, M.; McGlone, H.; Moraes, A.; O'Shea, V.; Barrera, C. Oropeza; Pickford, A.; Robson, A.; Saxon, D. H.; Smith, K. M.; St Denis, R. D.; Steele, G.; Thompson, A. S.; Wraight, K.; Wright, C.] Univ Glasgow, SUPA Sch Phys & Astron, Glasgow, Lanark, Scotland. [Ay, C.; Bierwagen, K.; Blumenschein, U.; Brandt, O.; Erdmann, J.; Evangelakou, D.; George, M.; Grosse-Knetter, J.; Guindon, S.; Haller, J.; Henrichs, A.; Hensel, C.; Keil, M.; Knue, A.; Kohn, F.; Krieger, N.; Kroeninger, K.; Lemmer, B.; Magradze, E.; Mann, A.; Meyer, J.; Morel, J.; Quadt, A.; Roe, A.; Shabalina, E.; Uhrmacher, M.; Weber, P.; Weingarten, J.] Univ Gottingen, Inst Phys 2, Gottingen, Germany. [Albrand, S.; Andrieux, M. -L.; Clement, B.; Collot, J.; Crepe-Renaudin, S.; Delsart, P. A.; Donini, J.; Dzahini, D.; Hostachy, J. -Y.; Laisne, E.; Ledroit-Guillon, F.; Lleres, A.; Lucotte, A.; Malek, F.; Martin, Ph.; Polci, F.; Stark, J.; Sun, X.; Trocme, B.; Weydert, C.] Univ Grenoble 1, Lab Phys Subatom & Cosmol, Grenoble, France. [Albrand, S.; Andrieux, M. -L.; Clement, B.; Collot, J.; Crepe-Renaudin, S.; Delsart, P. A.; Donini, J.; Dzahini, D.; Hostachy, J. -Y.; Laisne, E.; Ledroit-Guillon, F.; Lleres, A.; Lucotte, A.; Malek, F.; Martin, Ph.; Polci, F.; Stark, J.; Sun, X.; Trocme, B.; Weydert, C.] CNRS IN2P3, Grenoble, France. [Albrand, S.; Andrieux, M. -L.; Clement, B.; Collot, J.; Crepe-Renaudin, S.; Delsart, P. A.; Donini, J.; Dzahini, D.; Hostachy, J. -Y.; Laisne, E.; Ledroit-Guillon, F.; Lleres, A.; Lucotte, A.; Malek, F.; Martin, Ph.; Polci, F.; Stark, J.; Sun, X.; Trocme, B.; Weydert, C.] Inst Natl Polytech Grenoble, F-38031 Grenoble, France. [Addy, T. N.; Harvey, A.; McFarlane, K. W.; Shin, T.; Vassilakopoulos, V. I.] Hampton Univ, Dept Phys, Hampton, VA 23668 USA. [da Costa, J. Barreiro Guimaraes; Belloni, A.; Brandenburg, G. W.; Franklin, M.; Hurst, P.; Huth, J.; Jeanty, L.; Kagan, M.; Mateos, D. Lopez; Outschoorn, V. Martinez; Mercurio, K. M.; Mills, C.; Moed, S.; Morii, M.; Prasad, S.; Smith, B. C.; della Porta, G. Zevi] Harvard Univ, Lab Particle Phys & Cosmol, Cambridge, MA 02138 USA. [Anders, G.; Andrei, V.; Childers, J. T.; Davygora, Y.; Dietzsch, T. A.; Geweniger, C.; Hanke, P.; Henke, M.; Khomich, A.; Kluge, E. -E.; Lendermann, V.; Meier, K.; Mueller, F.; Poddar, S.; Scharf, V.; Schultz-Coulon, H. -C.; Stamen, R.; Wessels, M.] Heidelberg Univ, Kirchhoff Inst Phys, Heidelberg, Germany. [Radescu, V.; Schaetzel, S.; Schmitt, S.; Schoening, A.] Heidelberg Univ, Inst Phys, D-6900 Heidelberg, Germany. [Kugel, A.; Maenner, R.; Schroer, N.] Heidelberg Univ, ZITI Inst Tech Informat, D-6800 Mannheim, Germany. [Ohsugi, T.] Hiroshima Univ, Fac Sci, Hiroshima 730, Japan. [Nagasaka, Y.] Hiroshima Inst Technol, Fac Appl Informat Sci, Hiroshima, Japan. [Brunet, S.; Cwetanski, P.; Evans, H.; Gagnon, P.; Jain, V.; Luehring, F.; Marino, C. P.; Ogren, H.; Penwell, J.; Price, D.; Rust, D. R.; Whittington, D.; Yang, Y.; Zieminska, D.] Indiana Univ, Dept Phys, Bloomington, IN 47405 USA. [Epp, B.; Jussel, P.; Kneringer, E.; Kuhn, D.; Rudolph, G.] Leopold Franzens Univ, Inst Astro & Teilchenphys, Innsbruck, Austria. [Behera, P. K.; Limper, M.; Mallik, U.; Zaidan, R.] Univ Iowa, Iowa City, IA USA. [Chen, C.; Cochran, J.; Dudziak, F.; Mete, A. S.; Meyer, W. T.; Prell, S.; Rosenberg, E. I.; Ruiz-Martinez, A.; Yamamoto, K.] Iowa State Univ, Dept Phys & Astron, Ames, IA USA. [Aleksandrov, I. N.; Barashkou, A.; Bardin, D. Y.; Bednyakov, V. A.; Boyko, I. R.; Budagov, I. A.; Chelkov, G. A.; Cheplakov, A.; Chepurnov, V. F.; Chizhov, M. V.; Dedovich, D. V.; Demichev, M.; Glonti, G. L.; Gostkin, M. I.; Grigalashvili, N.; Gusakov, Y.; Huseynov, N.; Kalinovskaya, L. V.; Kazarinov, M. Y.; Kekelidze, G. D.; Kharchenko, D.; Khovanskiy, N.; Khramov, E.; Kolesnikov, V.; Kotov, V. M.; Kruchonak, U.; Krumshteyn, Z. V.; Kukhtin, V.; Ladygin, E.; Lazarev, A. B.; Manjavidze, I. D.; Minashvili, I. A.; Mineev, M.; Nikolaev, K.; Olchevski, A. G.; Peshekhonov, V. D.; Romanov, V. M.; Rumyantsev, L.; Rusakovich, N. A.; Sadykov, R.; Sisakyan, A. N.; Topilin, N. D.; Vinogradov, V. B.; Zhemchugov, A.] JINR Dubna, Joint Inst Nucl Res, Dubna, Russia. [Amako, K.; Arai, Y.; Doi, Y.; Haruyama, T.; Ikegami, Y.; Ikeno, M.; Ishii, K.; Ishino, M.; Iwasaki, H.; Kanzaki, J.; Kohriki, T.; Kondo, T.; Makida, Y.; Manabe, A.; Mitsui, S.; Morita, Y.; Nagano, K.; Nozaki, M.; Odaka, S.; Ohska, T. K.; Sasaki, O.; Sasaki, T.; Suzuki, Y.; Tanaka, S.; Terada, S.; Tojo, J.; Tokushuku, K.; Tsuno, S.; Unno, Y.; Yamada, M.; Yamamoto, A.; Yasu, Y.] High Energy Accelerator Res Org, KEK, Tsukuba, Ibaraki, Japan. [Akiyama, A.; Hayakawa, T.; Homma, Y.; Ichimiya, R.; Ishikawa, A.; Kawagoe, K.; King, M.; Kishimoto, T.; Kiyamura, H.; Kurashige, H.; Matsushita, T.; Miyazaki, K.; Nishiyama, T.; Ochi, A.; Okada, S.; Omachi, C.; Suita, K.; Suzuki, Y.; Takeda, H.; Tani, K.; Tokunaga, K.; Yamazaki, Y.] Kobe Univ, Grad Sch Sci, Kobe, Hyogo 657, Japan. [Sasao, N.] Kyoto Univ, Fac Sci, Kyoto, Japan. [Takashima, R.] Kyoto Univ, Kyoto 612, Japan. [Anduaga, X. S.; Dova, M. T.; Monticelli, F.; Tripiana, M. F.] Univ Nacl La Plata, Inst Fis La Plata, La Plata, Buenos Aires, Argentina. [Anduaga, X. S.; Dova, M. T.; Monticelli, F.; Tripiana, M. F.] Consejo Nacl Invest Cient & Tecn, La Plata, Buenos Aires, Argentina. [Barton, A. E.; Borissov, G.; Bouhova-Thacker, E. V.; Brodbeck, T. J.; Catmore, J. R.; Chilingarov, A.; Davidson, R.; De Mora, L.; Fox, H.; Henderson, R. C. W.; Hughes, G.; Jones, R. W. L.; Kartvelishvili, V.; Long, R. E.; Love, P. A.; Ratoff, P. N.; Sloan, T. J.; Smizanska, M.; Walder, J.] Univ Lancaster, Dept Phys, Lancaster, England. [Bianco, M.; Cataldi, G.; Chiodini, G.; Crupi, R.; Gorini, E.; Grancagnolo, F.; Guida, A.; Perrino, R.; Primavera, M.; Spagnolo, S.; Ventura, A.] Ist Nazl Fis Nucl, Sez Lecce, I-73100 Lecce, Italy. [Bianco, M.; Crupi, R.; Gorini, E.; Spagnolo, S.; Ventura, A.] Univ Salento, Dipartimento Fis, Lecce, Italy. [Allport, P. P.; Austin, N.; Burdin, S.; D'Onofrio, M.; Dervan, P.; Greenshaw, T.; Gwilliam, C. B.; Hayward, H. S.; Houlden, M. A.; Jackson, J. N.; Jones, T. J.; King, B. T.; Klein, M.; Klein, U.; Kluge, T.; Kretzschmar, J.; Laycock, P.; Maxfield, S. J.; Mehta, A.; Migas, S.; Prichard, P. M.; Sellers, G.; Vossebeld, J. H.; Waller, R.; Wrona, B.] Univ Liverpool, Oliver Lodge Lab, Liverpool L69 3BX, Merseyside, England. [Cindro, V.; Deliyergiyev, M.; Dolenc, I.; Filipcic, A.; Gorisek, A.; Kersevan, B. P.; Kramberger, G.; Macek, B.; Mandic, I.; Mikuz, M.; Tykhonov, A.] Jozef Stefan Inst, Dept Phys, Ljubljana, Slovenia. [Cindro, V.; Deliyergiyev, M.; Dolenc, I.; Filipcic, A.; Gorisek, A.; Kersevan, B. P.; Kramberger, G.; Macek, B.; Mandic, I.; Mikuz, M.; Tykhonov, A.] Univ Ljubljana, Ljubljana, Slovenia. [Adragna, P.; Bona, M.; Carter, A. A.; Cerrito, L.; Eisenhandler, E.; Ellis, K.; Landon, M. P. J.; Lloyd, S. L.; Morin, J.; Morris, J. D.; Piccaro, E.; Poll, J.; Rizvi, E.; Salamanna, G.; Stevenson, K.; Castanheira, M. Teixeira Dias; Traynor, D.; Wiglesworth, C.] Queen Mary Univ London, Dept Phys, London, England. [Baker, S.; Bernat, P.; Bieniek, S. R.; Boeser, S.; Butterworth, J. M.; Byatt, T.; Campanelli, M.; Christidi, I. A.; Cooper, B. D.; Davison, A. R.; Dean, S.; Jansen, E.; Jones, T. W.; Konstantinidis, N.; Monk, J.; Nash, M.; Nurse, E.; Prabhu, R.; Richards, A.; Robinson, J. E. M.; Sherwood, P.; Simmons, B.; Taylor, C.; Waugh, B. M.; Wijeratne, P. A.] UCL, Dept Phys & Astron, London, England. [Beau, T.; Bordoni, S.; Calderini, G.; Cavalleri, P.; Chareyre, E.; De Cecco, S.; Derue, F.; Imbault, D.; Krasny, M. W.; Kuna, M.; Lacour, D.; Laforge, B.; Laplace, S.; Le Dortz, O.; Marchiori, G.; Nikolic-Audit, I.; Ocariz, J.; Ridel, M.; Roos, L.; Schwemling, Ph.; Theveneaux-Pelzer, T.; Torres, H.; Trincaz-Duvoid, S.; Trinh, T. N.; Vannucci, F.; Yuan, L.] UPMC, Lab Phys Nucl & Hautes Energies, Paris, France. [Beau, T.; Bordoni, S.; Calderini, G.; Cavalleri, P.; Chareyre, E.; De Cecco, S.; Derue, F.; Imbault, D.; Krasny, M. W.; Kuna, M.; Lacour, D.; Laforge, B.; Laplace, S.; Le Dortz, O.; Marchiori, G.; Nikolic-Audit, I.; Ocariz, J.; Ridel, M.; Roos, L.; Schwemling, Ph.; Theveneaux-Pelzer, T.; Torres, H.; Trincaz-Duvoid, S.; Trinh, T. N.; Vannucci, F.; Yuan, L.] Univ Paris Diderot, Paris, France. [Beau, T.; Bordoni, S.; Calderini, G.; Cavalleri, P.; Chareyre, E.; De Cecco, S.; Derue, F.; Imbault, D.; Krasny, M. W.; Kuna, M.; Lacour, D.; Laforge, B.; Laplace, S.; Le Dortz, O.; Marchiori, G.; Nikolic-Audit, I.; Ocariz, J.; Ridel, M.; Roos, L.; Schwemling, Ph.; Theveneaux-Pelzer, T.; Torres, H.; Trincaz-Duvoid, S.; Trinh, T. N.; Vannucci, F.; Yuan, L.] CNRS IN2P3, Paris, France. [Akesson, T. P. A.; Alonso, A.; Bocchetta, S. S.; Hedberg, V.; Jarlskog, G.; Lundberg, B.; Lytken, E.; Meirose, B.; Mjornmark, J. U.; Smirnova, O.] Lund Univ, Inst Fys, Lund, Sweden. [Barreiro, F.; Cantero, J.; De la Torre, H.; Del Peso, J.; Glasman, C.; Labarga, L.; Lagouri, T.; Llorente Merino, J.; March, L.; Nebot, E.; Rodier, S.; Terron, J.] Univ Autonoma Madrid, Dept Fis Teor, Madrid, Spain. [Aharrouche, M.; Arnaez, O.; Bendel, M.; Blum, W.; Buescher, V.; Eckweiler, S.; Edmonds, K.; Ellinghaus, F.; Ertel, E.; Fiedler, F.; Fleckner, J.; Goeringer, C.; Handel, C.; Hohlfeld, M.; Ji, W.; Kawamura, G.; Kleinknecht, K.; Koenig, S.; Koepke, L.; Lungwitz, M.; Masetti, L.; Meyer, C.; Moreno, D.; Neusiedl, A.; Rieke, S.; Sander, H. G.; Schaefer, U.; Schmitt, C.; Schroeder, C.; Tapprogge, S.; Anh, T. Vu] Johannes Gutenberg Univ Mainz, Inst Phys, D-6500 Mainz, Germany. [Almond, J.; Brown, G.; Chavda, V.; Cox, B. E.; Da Via, C.; Duerdoth, I. P.; Forti, A.; Foster, J. M.; Howarth, J.; Hughes-Jones, R. E.; Ibbotson, M.; Jones, G.; Keates, J. R.; Kelly, M.; Kolya, S. D.; Lane, J. L.; Loebinger, F. K.; Marshall, R.; Martyniuk, A. C.; Marx, M.; Masik, J.; Oh, A.; Owen, M.; Pater, J. R.; Pilkington, A. D.; Plano, W. G.; Schwanenberger, C.; Snow, S. W.; Watts, S.; Yang, U. K.] Univ Manchester, Sch Phys & Astron, Manchester, Lancs, England. [Aoun, S.; Arfaoui, S.; Bee, C. P.; Benchouk, C.; Bernardet, K.; Bousson, N.; Clemens, J. C.; Coadou, Y.; Delpierre, P.; Djama, F.; Etienne, F.; Feligioni, L.; Henry-Couannier, F.; Hoffmann, D.; Hubaut, F.; Knoops, E. B. F. G.; Le Guirriec, E.; Li, B.; Li, S.; Monnier, E.; Odier, J.; Petit, E.; Pralavorio, P.; Qian, Z.; Rozanov, A.; Talby, M.; Tannoury, N.; Tisserant, S.; Toth, J.; Touchard, F.; Vacavant, L.] Aix Marseille Univ, CPPM, Marseille, France. [Aoun, S.; Arfaoui, S.; Bee, C. P.; Benchouk, C.; Bernardet, K.; Bousson, N.; Clemens, J. C.; Coadou, Y.; Delpierre, P.; Djama, F.; Etienne, F.; Feligioni, L.; Henry-Couannier, F.; Hoffmann, D.; Hubaut, F.; Knoops, E. B. F. G.; Le Guirriec, E.; Li, B.; Li, S.; Monnier, E.; Odier, J.; Petit, E.; Pralavorio, P.; Qian, Z.; Rozanov, A.; Talby, M.; Tannoury, N.; Tisserant, S.; Toth, J.; Touchard, F.; Vacavant, L.] CNRS IN2P3, Marseille, France. [Brau, B.; Colon, G.; Dallapiccola, C.; Meade, A.; Moyse, E. J. W.; Pueschel, E.; Thompson, E. N.; van Eldik, N.; Willocq, S.; Woudstra, M. J.] Univ Massachusetts, Dept Phys, Amherst, MA 01003 USA. [Belanger-Champagne, C.; Chapleau, B.; Cheatham, S.; Corriveau, F.; Dobbs, M.; Dufour, M. -A.; Guler, H.; Klemetti, M.; Robertson, S. H.; Rios, C. Santamarina; Schram, M.; Vachon, B.; Warburton, A.] McGill Univ, Dept Phys, Montreal, PQ, Canada. [Barberio, E. L.; Davey, W.; Davidson, N.; Felzmann, C. U.; Kubota, T.; Limosani, A.; Moorhead, G. F.; Hanninger, G. Nunes; Phan, A.; Sevior, M. E.; Shao, Q. T.; Taylor, G. N.; Volpi, M.; White, M. J.] Univ Melbourne, Sch Phys, Melbourne, Vic 3010, Australia. [Armbruster, A. J.; Chapman, J. W.; Cirilli, M.; Dai, T.; Diehl, E. B.; Eppig, A.; Ferretti, C.; Goldfarb, S.; Harper, D.; Levin, D.; Li, X.; Liu, H.; Liu, J. B.; Mc Kee, S. P.; Neal, H. A.; Panikashvili, N.; Purdham, J.; Qian, J.; Scheirich, D.; Thun, R. P.; Walch, S.; Wilson, A.; Wu, Y.; Yang, H.; Zhou, B.; Zhu, J.] Univ Michigan, Dept Phys, Ann Arbor, MI 48109 USA. [Abolins, M.; Arabidze, G.; Brock, R.; Bromberg, C.; Caughron, S.; Di Mattia, A.; Fedorko, W.; Hauser, R.; Heim, S.; Holzbauer, J. L.; Huston, J.; Koll, J.; Kraus, J.; Linnemann, J. T.; Mangeard, P. S.; Martin, B.; Miller, R. J.; Pope, B. G.; Ryan, P.; Schwienhorst, R.; Stelzer, H. J.; Tollefson, K.; Zhang, H.] Michigan State Univ, Dept Phys & Astron, E Lansing, MI 48824 USA. [Acerbi, E.; Alessandria, F.; Alimonti, G.; Andreazza, A.; Baccaglioni, G.; Battistoni, G.; Besana, M. I.; Broggi, F.; Carminati, L.; Cavalli, D.; Costa, G.; Dell'Asta, L.; Fanti, M.; Favareto, A.; Giugni, D.; Koletsou, I.; Lari, T.; Mandelli, L.; Mazzanti, M.; Meroni, C.; Montesano, S.; Perini, L.; Pizio, C.; Ragusa, F.; Resconi, S.; Rivoltella, G.; Rossi, L.; Sorbi, M.; Tartarelli, C. F.; Troncon, C.; Turra, R.; Vegni, G.; Volpini, G.] Ist Nazl Fis Nucl, Sez Milano, I-20133 Milan, Italy. [Acerbi, E.; Andreazza, A.; Besana, M. I.; Carminati, L.; Dell'Asta, L.; Fanti, M.; Favareto, A.; Montesano, S.; Perini, L.; Pizio, C.; Ragusa, F.; Rivoltella, G.; Rossi, L.; Sorbi, M.; Turra, R.; Vegni, G.] Univ Milan, Dipartimento Fis, Milan, Italy. [Bogouch, A.; Harkusha, S.; Kulchitsky, Y.; Kurochkin, Y. A.; Satsounkevitch, I.; Tsiareshka, P. V.] Natl Acad Sci Belarus, BI Stepanov Phys Inst, Minsk, Byelarus. [Gilewsky, V.; Kuzhir, P.; Rumiantsev, V.; Starovoitov, P.; Yanush, S.] Natl Sci & Educ Ctr Particle & High Energy Phys, Minsk, Byelarus. [Taylor, F. E.] MIT, Dept Phys, Cambridge, MA 02139 USA. [Azuelos, G.; Banerjee, P.; Bouchami, J.; Davies, M.; Ferland, J.; Gutierrez, A.; Lebel, C.; Leroy, C.; Goia, J. A. Macana; Martin, J. P.; Mehdiyev, R.; Scallon, O.] Univ Montreal, Grp Particle Phys, Montreal, PQ, Canada. [Akimov, A. V.; Baranov, S. P.; Gavrilenko, I. L.; Komar, A. A.; Mashinistov, R.; Mouraviev, S. V.; Nechaeva, P. Yu.; Shmeleva, A.; Snesarev, A. A.; Sulin, V. V.; Tikhomirov, V. O.] Acad Sci, PN Lebedev Phys Inst, Moscow, Russia. [Artamonov, A.; Gorbounov, P. A.; Khovanskiy, V.; Shatalov, P. B.; Tsukerman, I. I.] Inst Theoret & Expt Phys, Moscow 117259, Russia. [Antonov, A.; Belotskiy, K.; Bondarenko, V. G.; Bulekov, O.; Dolgoshein, B. A.; Kantserov, V. A.; Khodinov, A.; Morozov, S. V.; Romaniouk, A.; Smirnov, S. Yu.; Soldatov, E.] Moscow Engn & Phys Inst MEPhI, Moscow, Russia. [Gladilin, L. K.; Grishkevich, Y. V.; Kramarenko, V. A.; Rud, V. I.; Sivoklokov, S. Yu.; Smirnova, L. N.] Moscow MV Lomonosov State Univ, Skobeltsyn Inst Nucl Phys, Moscow, Russia. [Adomeit, S.; Biebel, O.; Calfayan, P.; de Graat, J.; Duckeck, G.; Ebke, J.; Elmsheuser, J.; Engl, A.; Galea, C.; Genest, M. H.; Hertenberger, R.; Kennedy, J.; Kummer, C.; Legger, F.; Lichtnecker, M.; Mameghani, R.; Mueller, T. A.; Nunnemann, T.; Rauscher, F.; Reznicek, P.; Ruckert, B.; Sanders, M. P.; Schaile, D.; Schieck, J.; Serfon, C.; Staude, A.; Walker, R.; Will, J. Z.; Zhuang, X.] Univ Munich, Fak Phys, Munich, Germany. [Aderholz, M.; Barillari, T.; Beimforde, M.; Bethke, S.; Capriotti, D.; Cortiana, G.; Dannheim, D.; Dubbert, J.; Ehrich, T.; Flowerdew, M. J.; Giovannini, P.; Goettfert, T.; Groh, M.; Haefner, P.; Hauff, D.; Jantsch, A.; Kaiser, S.; Kiryunin, A. E.; Kluth, S.; Kortner, O.; Kortner, S.; Kotov, S.; Kroha, H.; Lutz, G.; Macchiolo, A.; Manz, A.; Menke, S.; Mohrdieck-Moeck, S.; Moser, H. G.; Nisius, R.; Oberlack, H.; Pospelov, G. E.; Potrap, I. N.; Rauter, E.; Richter, R.; Salihagic, D.; Sandstroem, R.; Schacht, P.; Seuster, R.; Stonjek, S.; von der Schmitt, H.; von Loeben, J.; Weigell, P.; Zhuravlov, V.] Werner Heisenberg Inst, Max Planck Inst Phys, Munich, Germany. [Shimojima, M.; Tanaka, Y.] Nagasaki Inst Appl Sci, Nagasaki, Japan. [Hasegawa, S.; Morvaj, L.; Ohshima, T.; Okumura, Y.; Shichi, H.; Sugimoto, T.; Takahashi, Y.; Tomoto, M.; Wakabayashi, J.] Nagoya Univ, Grad Sch Sci, Nagoya, Aichi 4648601, Japan. [Aloisio, A.; Alviggi, M. G.; Canale, V.; Capasso, L.; Carlino, G.; Cevenini, F.; Chiefari, G.; Conventi, F.; de Asmundis, R.; Della Pietra, M.; della Volpe, D.; Doria, A.; Giordano, R.; Iengo, P.; Izzo, V.; Merola, L.; Musto, E.; Patricelli, S.; Rossi, E.; Sanchez, A.; Sekhniaidze, G.] Ist Nazl Fis Nucl, Sez Napoli, I-80125 Naples, Italy. [Aloisio, A.; Alviggi, M. G.; Canale, V.; Capasso, L.; Cevenini, F.; Chiefari, G.; della Volpe, D.; Giordano, R.; Iengo, P.; Merola, L.; Musto, E.; Patricelli, S.; Rossi, E.; Sanchez, A.] Univ Naples Federico II, Dipartimento Sci Fis, Naples, Italy. [Gorelov, I.; Hoeferkamp, M. R.; Metcalfe, J.; Seidel, S. C.; Toms, K.; Wang, R.] Univ New Mexico, Dept Phys & Astron, Albuquerque, NM 87131 USA. [Chelstowska, M. A.; Consonni, M.; De Groot, N.; Filthaut, F.; Klok, P. F.; Konig, A. C.; Koetsveld, F.; Raas, M.; Salvucci, A.; Timmermans, C. J. W. P.] Radboud Univ Nijmegen, Inst Math Astrophys & Particle Phys, NL-6525 ED Nijmegen, Netherlands. [Bentvelsen, S.; Bobbink, G. J.; Bos, K.; Boterenbrood, H.; Colijn, A. P.; Daum, C.; de Jong, P.; De Nooij, L.; Doxiadis, A. D.; Ferrari, P.; Garitaonandia, H.; Geerts, D. A. A.; Gosselink, M.; Hartjes, F.; Hessey, N. P.; Igonkina, O.; Kayl, M. S.; Klous, S.; Kluit, P.; Koffeman, E.; Koutsman, A.; Lee, H.; Lenz, T.; Linde, F.; Luijckx, G.; Massaro, G.; Mechnich, J.; Mussche, I.; Ottersbach, J. P.; Reichold, A.; Rijpstra, M.; Ruckstuhl, N.; Snuverink, J.; Ta, D.; Tsiakiris, M.; Turlay, E.; van der Graaf, H.; van der Kraaij, E.; Van der Leeuw, R.; van der Poel, E.; Van Eijk, B.; van Kesteren, Z.; van Vulpen, I.; Verkerke, W.; Vermeulen, J. C.; Milosavljevic, M. Vranjes; Vreeswijk, M.] Nikhef Natl Inst Subat Phys, Amsterdam, Netherlands. [Bentvelsen, S.; Bobbink, G. J.; Bos, K.; Boterenbrood, H.; Colijn, A. P.; Daum, C.; de Jong, P.; De Nooij, L.; Doxiadis, A. D.; Ferrari, P.; Garitaonandia, H.; Geerts, D. A. A.; Gosselink, M.; Hartjes, F.; Hessey, N. P.; Igonkina, O.; Kayl, M. S.; Klous, S.; Kluit, P.; Koffeman, E.; Koutsman, A.; Lee, H.; Lenz, T.; Linde, F.; Luijckx, G.; Massaro, G.; Mechnich, J.; Mussche, I.; Ottersbach, J. P.; Reichold, A.; Rijpstra, M.; Ruckstuhl, N.; Snuverink, J.; Ta, D.; Tsiakiris, M.; Turlay, E.; van der Graaf, H.; van der Kraaij, E.; Van der Leeuw, R.; van der Poel, E.; Van Eijk, B.; van Kesteren, Z.; van Vulpen, I.; Verkerke, W.; Vermeulen, J. C.; Milosavljevic, M. Vranjes; Vreeswijk, M.] Univ Amsterdam, Amsterdam, Netherlands. [Calkins, R.; Chakraborty, D.; de Lima, J. G. Rocha; Suhr, C.; Zutshi, V.] No Illinois Univ, Dept Phys, De Kalb, IL 60115 USA. [Beloborodova, O.; Bobrovnikov, V. B.; Bogdanchikov, A.; Kazanin, V. A.; Kolachev, G. M.; Korol, A.; Malyshev, V.; Maslennikov, A. L.; Maximov, D. A.; Orlov, I.; Peleganchuk, S. V.; Schamov, A. G.; Skovpen, K.; Soukharev, A.; Talyshev, A.; Tikhonov, Y. A.; Zaytsev, A.] Bucker Inst Nucl Phys BINP, Novosibirsk, Russia. [Budick, B.; Casadei, D.; Cranmer, K.; van Huysduynen, L. Hooft; Konoplich, R.; Krasznahorkay, A.; Lewis, G. H.; Mincer, A. I.; Nemethy, P.; Neves, R. M.; Prokofiev, K.; Shibata, A.; Zhao, L.] NYU, Dept Phys, New York, NY 10003 USA. [Fernando, W.; Fisher, M. J.; Gan, K. K.; Kagan, H.; Kass, R. D.; Moss, J.; Rahimi, A. M.; Strang, M.] Ohio State Univ, Columbus, OH 43210 USA. [Nakano, I.] Okayama Univ, Fac Sci, Okayama 700, Japan. [Abbott, B.; Gutierrez, P.; Huang, G. S.; Jana, D. K.; Marzin, A.; Meera-Lebbai, R.; Saleem, M.; Severini, H.; Skubic, P.; Snow, J.; Strauss, M.] Univ Oklahoma, Homer L Dodge Dept Phys & Astron, Norman, OK 73019 USA. [Abi, B.; Khanov, A.; Rizatdinova, F.] Oklahoma State Univ, Dept Phys, Stillwater, OK 74078 USA. [Hamal, P.; Kocnar, A.; Nozka, L.] Palacky Univ, RCPTM, CR-77147 Olomouc, Czech Republic. [Brau, J. E.; Potter, C. T.; Ptacek, E.; Reinsch, A.; Robinson, M.; Searcy, J.; Shamim, M.; Sinev, N. B.; Strom, D. M.; Torrence, E.] Univ Oregon, Ctr High Energy Phys, Eugene, OR 97403 USA. [Abreu, H.; Andari, N.; Arnault, C.; Auge, E.; Barrillon, P.; Benoit, M.; Binet, S.; Blanchard, J. -B.; Bourdarios, C.; Breton, D.; Collard, C.; De La Taille, C.; De Regie, J. B. De Vivie; Diglio, S.; Duflot, L.; Escalier, M.; Fayard, L.; Fournier, D.; Grivaz, J. -F.; Heller, M.; Henrot-Versille, S.; Hrivnac, J.; Iconomidou-Fayard, L.; Idarraga, J.; Kado, M.; Lounis, A.; Makovec, N.; Matricon, P.; Niedercorn, F.; Poggioli, L.; Puzo, P.; Renaud, A.; Rousseau, D.; Ruan, X.; Rybkin, G.; Sauvan, J. B.; Schaarschmidt, J.; Schaffer, A. C.; Serin, L.; Simion, S.; Tanaka, R.; Teinturier, M.; Veillet, J. J.; Vukotic, I.; Wicek, F.; Zerwas, D.; Zhang, Z.] Univ Paris 11, LAL, Orsay, France. [Abreu, H.; Andari, N.; Arnault, C.; Auge, E.; Barrillon, P.; Benoit, M.; Binet, S.; Blanchard, J. -B.; Bourdarios, C.; Breton, D.; Collard, C.; De La Taille, C.; De Regie, J. B. De Vivie; Diglio, S.; Duflot, L.; Escalier, M.; Fayard, L.; Fournier, D.; Grivaz, J. -F.; Heller, M.; Henrot-Versille, S.; Hrivnac, J.; Iconomidou-Fayard, L.; Idarraga, J.; Kado, M.; Lounis, A.; Makovec, N.; Matricon, P.; Niedercorn, F.; Poggioli, L.; Puzo, P.; Renaud, A.; Rousseau, D.; Ruan, X.; Rybkin, G.; Sauvan, J. B.; Schaarschmidt, J.; Schaffer, A. C.; Serin, L.; Simion, S.; Tanaka, R.; Teinturier, M.; Veillet, J. J.; Vukotic, I.; Wicek, F.; Zerwas, D.; Zhang, Z.] CNRS IN2P3, Orsay, France. [Hanagaki, K.; Hirose, M.; Meguro, T.; Nomachi, M.; Sugaya, Y.] Osaka Univ, Grad Sch Sci, Osaka, Japan. [Bugge, L.; Buran, T.; Cameron, D.; Czyczula, Z.; Gjelsten, B. K.; Lund, E.; Ould-Saada, F.; Pajchel, K.; Pylypchenko, Y.; Read, A. L.; Rohne, O.; Samset, B. H.; Stapnes, S.; Strandlie, A.; Taga, A.] Univ Oslo, Dept Phys, Oslo, Norway. [Abdesselam, A.; Apolle, R.; Barr, A. J.; Beauchemin, P. H.; Boddy, C. R.; Buchanan, J.; Buckingham, R. M.; Buira-Clark, D.; Coe, P.; Coniavitis, E.; Cooper-Sarkar, A. M.; Davies, E.; Dehchar, M.; Doglioni, C.; Farrington, S. M.; Gallas, E. J.; Gilbert, L. M.; Gwenlan, C.; Hawes, B. M.; Horton, K.; Howell, D. F.; Huffman, T. B.; Issever, C.; Karagoz, M.; King, R. S. B.; Kirsch, G. P.; Kundu, N.; Larner, A.; Lavorato, A.; Lewis, A.; Liang, Z.; Livermore, S. S. A.; Loken, J.; Mattravers, C.; Mermod, P.; Nickerson, R. B.; Pinder, A.; Ryder, N. C.; Short, D.; Tseng, J. C. -L.; Vickey, T.; Viehhauser, G. H. A.; Weidberg, A. R.; Whitehead, S. R.; Wooden, G.] Univ Oxford, Dept Phys, Oxford, England. [Bellomo, M.; Cambiaghi, M.; Conta, C.; Ferrari, R.; Franchino, S.; Fraternali, M.; Gaudio, G.; Livan, M.; Negri, A.; Polesello, G.; Rebuzzi, D. M.; Rimoldi, A.; Uslenghi, M.; Vercesi, V.] Ist Nazl Fis Nucl, Sez Pavia, I-27100 Pavia, Italy. [Cambiaghi, M.; Conta, C.; Franchino, S.; Fraternali, M.; Livan, M.; Negri, A.; Rebuzzi, D. M.; Rimoldi, A.; Uslenghi, M.] Univ Pavia, Dipartimento Fis Nucl & Teor, I-27100 Pavia, Italy. [Alison, J.; Degenhardt, J.; Donega, M.; Dressnandt, N.; Fratina, S.; Hance, M.; Hines, E.; Hong, T. M.; Jackson, B.; Kroll, J.; Kunkle, J.; LeGeyt, B. C.; Lipeles, E.; Martin, F. F.; Olivito, D.; Ospanov, R.; Reece, R.; Stahlman, J.; Thomson, E.; Wagner, P.; Williams, H. H.] Univ Penn, Dept Phys, Philadelphia, PA 19104 USA. [Fedin, O. L.; Gratchev, V.; Grebenyuk, O. G.; Maleev, V. P.; Nesterov, S. Y.; Ryabov, Y. F.; Schegelsky, V. A.; Sedykh, E.; Seliverstov, D. M.; Zalite, Yo. K.] Petersburg Nucl Phys Inst, Gatchina, Russia. [Bertolucci, F.; Cascella, M.; Cavasinni, V.; Crescioli, F.; Del Prete, T.; Dotti, A.; Francavilla, P.; Giangiobbe, V.; Lupi, A.; Mazzoni, E.; Roda, C.; Sarri, F.; Zenonos, Z.] Ist Nazl Fis Nucl, Sez Pisa, Pisa, Italy. [Bertolucci, F.; Cascella, M.; Cavasinni, V.; Crescioli, F.; Del Prete, T.; Dotti, A.; Francavilla, P.; Giangiobbe, V.; Lupi, A.; Mazzoni, E.; Roda, C.; Sarri, F.; Zenonos, Z.] Univ Pisa, Dipartimento Fis E Fermi, Pisa, Italy. [Boudreau, J.; Cleland, W.; Kittelmann, T.; Mueller, J.; Paolone, V.; Prieur, D.; Savinov, V.; Wendler, S.; Yoosoofmiya, R.] Univ Pittsburgh, Dept Phys & Astron, Pittsburgh, PA 15260 USA. [Aguilar-Saavedra, J. A.; Amorim, A.; Anjos, N.; Carvalho, J.; Castro, N. F.; Conde Muino, P.; Do Valle Wemans, A.; Fiolhais, M. C. N.; Gomes, A.; Jorge, P. M.; Lopes, L.; Machado Miguens, J.; Magalhaes Martins, P. J.; Maio, A.; Maneira, J.; Oliveira, M.; Onofre, A.; Palma, A.; Pina, J.; Pinto, B.; Santos, H.; Saraiva, J. G.; Silva, J.; Soares, M.; Veloso, F.; Wolters, H.] Lab Instrumentacao & Fis Expt Particulas LIP, Lisbon, Portugal. [Aguilar-Saavedra, J. A.] Univ Granada, Dept Fis Teor & Cosmos, Granada, Spain. [Aguilar-Saavedra, J. A.] Univ Granada, CAFPE, Granada, Spain. [Chudoba, J.; Gallus, P.; Gunther, J.; Hruska, I.; Juranek, V.; Kepka, O.; Kupco, A.; Kus, V.; Lipinsky, L.; Lokajicek, M.; Marcisovsky, M.; Mikestikova, M.; Myska, M.; Nemecek, S.; Panuskova, M.; Ruzicka, P.; Schovancova, J.; Sicho, P.; Staroba, P.; Svatos, M.; Tasevsky, M.; Tic, T.; Valenta, J.; Vrba, V.; Zeman, M.] Acad Sci Czech Republic, Inst Phys, Prague, Czech Republic. [Davidek, T.; Dolejsi, J.; Dolezal, Z.; Drasal, Z.; Kodys, P.; Leitner, R.; Novakova, J.; Rybar, M.; Spousta, M.; Strachota, P.; Suk, M.; Sykora, T.; Tas, P.; Valkar, S.; Vorobel, V.; Wilhelm, I.] Charles Univ Prague, Fac Math & Phys, Prague, Czech Republic. [Augsten, K.; Holy, T.; Horazdovsky, T.; Hubacek, Z.; Jakubek, J.; Kohout, Z.; Kral, V.; Krejci, F.; Pospisil, S.; Simak, V.; Slavicek, T.; Smolek, K.; Sodomka, J.; Solar, M.; Solc, J.; Sopko, V.; Sopko, B.; Stekl, I.; Turecek, D.; Vacek, V.; Vlasak, M.; Vokac, R.] Czech Tech Univ, CR-16635 Prague, Czech Republic. [Ammosov, V. V.; Borisov, A.; Bozhko, N. I.; Denisov, S. P.; Fakhrutdinov, R. M.; Fenyuk, A. B.; Gapienko, V. A.; Golovnia, S. N.; Gorokhov, S. A.; Goryachev, V. N.; Gushchin, V. N.; Ivashin, A. V.; Kabachenko, V. V.; Karyukhin, A. N.; Kholodenko, A. G.; Kiver, A. M.; Kopikov, S. V.; Koreshev, V.; Korotkov, V. A.; Kozhin, A. S.; Larionov, A. V.; Levitski, M. S.; Minaenko, A. A.; Mitrofanov, G. Y.; Moisseev, A. M.; Myagkov, A. G.; Nikolaenko, V.; Pleskach, A. V.; Ryadovikov, V.; Solodkov, A. A.; Solovyanov, O. V.; Starchenko, E. A.; Sviridov, Yu. M.; Vorobiev, A. R.; Zaets, V. G.; Zaitsev, A. M.; Zenin, O.; Zmouchko, V. V.] Inst High Energy Phys, State Res Ctr, Protvino, Russia. [Adye, T.; Apolle, R.; Baines, J. T.; Barnett, B. M.; Botterill, D.; Burke, S.; Clifft, R. W.; Davies, E.; Dewhurst, A.; Emeliyanov, D.; Fisher, S. M.; Gallop, B. J.; Gee, C. N. P.; Gillman, A. R.; Greenfield, D.; Haywood, S. J.; Kirk, J.; Mattravers, C.; McCubbin, N. A.; McMahon, S. J.; Middleton, R. P.; Murray, W. J.; Nash, M.; Norton, P. R.; Phillips, P. W.; Sankey, D. P. C.; Scott, W. G.; Strube, J.; Tyndel, M.; Weber, M.; Wickens, F. J.; Wielers, M.] Rutherford Appleton Lab, Particle Phys Dept, Didcot OX11 0QX, Oxon, England. [Benslama, K.; Ju, X.; Ming, Y.; Smit, C. V. Ybeles] Univ Regina, Dept Phys, Regina, SK S4S 0A2, Canada. [Tanaka, S.] Ritsumeikan Univ, Kusatsu, Shiga, Japan. [Anulli, F.; Artoni, G.; Bagnaia, P.; Bini, C.; Borroni, S.; Caloi, R.; Ciapetti, G.; D'Orazio, A.; De Pedis, D.; De Salvo, A.; Dionisi, C.; Falciano, S.; Gentile, S.; Giagu, S.; Giunta, M.; Lacava, F.; Lo Sterzo, F.; Luci, C.; Luminari, L.; Maiani, C.; Marzano, F.; Mastrandrea, P.; Mirabelli, G.; Nisati, A.; Pasqualucci, E.; Petrolo, E.; Pontecorvo, L.; Rescigno, M.; Rosati, S.; Tehrani, F. Safai; Sidoti, A.; Camillocci, E. Solfaroli; Spila, F.; Valente, R.; Vari, R.; Veneziano, S.; Zanello, L.] Ist Nazl Fis Nucl, Sez Roma 1, Rome, Italy. [Artoni, G.; Bagnaia, P.; Bini, C.; Borroni, S.; Caloi, R.; Ciapetti, G.; D'Orazio, A.; Dionisi, C.; Gentile, S.; Giagu, S.; Giunta, M.; Lacava, F.; Lo Sterzo, F.; Luci, C.; Maiani, C.; Mastrandrea, P.; Rosati, S.; Tehrani, F. Safai; Sidoti, A.; Camillocci, E. Solfaroli; Spila, F.; Zanello, L.] Univ Roma La Sapienza, Dipartimento Fis, I-00185 Rome, Italy. [Aielli, G.; Camarri, P.; Cardarelli, R.; Cattani, G.; Di Ciaccio, A.; Di Nardo, R.; Di Simone, A.; Liberti, B.; Marchese, F.; Salamon, A.; Santonico, R.] Ist Nazl Fis Nucl, Sez Roma Tor Vergata, Rome, Italy. [Aielli, G.; Camarri, P.; Cattani, G.; Di Ciaccio, A.; Di Nardo, R.; Di Simone, A.; Marchese, F.; Santonico, R.] Univ Roma Tor Vergata, Dipartimento Fis, I-00173 Rome, Italy. [Bacci, C.; Baroncelli, A.; Biglietti, M.; Branchini, P.; Ceradini, F.; Di Luise, S.; Farilla, A.; Graziani, E.; Iodice, M.; Orestano, D.; Passeri, A.; Pastore, F.; Petrucci, F.; Ruggieri, F.; Spiriti, E.; Stanescu, C.] Ist Nazl Fis Nucl, Sez Roma Tre, Rome, Italy. [Bacci, C.; Biglietti, M.; Ceradini, F.; Di Luise, S.; Orestano, D.; Pastore, F.; Petrucci, F.; Ruggieri, F.] Univ Roma Tre, Dipartimento Fis, Rome, Italy. [Benchekroun, D.; Chafaq, A.; Gouighri, M.; Hoummada, A.; Lablak, S.] Reseau Univ Phys Hautes Energies Univ Hassan II, Fac Sci Ain Chock, Casablanca, Morocco. [Ghazlane, H.] Ctr Natl Energie Sci Tech Nucl, Rabat, Morocco. [El Kacimi, M.; Goujdami, D.] Univ Cadi Ayyad, Fac Sci Semlalia, Dept Phys, Marrakech 40000, Morocco. [Derkaoui, J. E.; Ouchrif, M.] Univ Mohamed Premier, Fac Sci, Oujda, Morocco. [Derkaoui, J. E.; Ouchrif, M.] LPTPM, Oujda, Morocco. [Cherkaoui El Moursli, R.] Univ Mohammed 5, Fac Sci, Rabat, Morocco. [Bachacou, H.; Bauer, F.; Besson, N.; Bolnet, N. M.; Boonekamp, M.; Chevalier, L.; Ernwein, J.; Etienvre, A. I.; Formica, A.; Gauthier, L.; Giraud, P. F.; Guyot, C.; Hassani, S.; Kozanecki, W.; Lancon, E.; Laporte, J. F.; Le Menedeu, E.; Legendre, M.; Mansoulie, B.; Meyer, J. -P.; Morange, N.; Mountricha, E.; Hong, V. Nguyen Thi; Nicolaidou, R.; Ouraou, A.; Pomarede, D. M.; Resende, B.; Royon, C. R.; Schune, Ph.; Schwindling, J.; Simard, O.; Virchaux, M.; Xu, C.; Yu, J.] CEA Saclay Commissariat Energie Atom, DSM IRFU, Inst Rech Lois Fondamentales Univers, Gif Sur Yvette, France. [Bangert, A.; Chouridou, S.; Damiani, D. S.; Dubbs, T.; Fowler, K.; Grillo, A. A.; Hare, G. A.; Litke, A. M.; Lockman, W. S.; Manning, P. M.; Mitrevski, J.; Nielsen, J.; Sadrozinski, H. F. -W.; Schumm, B. A.; Seiden, A.] Univ Calif Santa Cruz, Santa Cruz Inst Particle Phys, Santa Cruz, CA 95064 USA. [Forbush, D. A.; Goussiou, A. G.; Griffiths, J.; Harris, O. M.; Kuykendall, W.; Lubatti, H. 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[Asman, B.; Bohm, C.; Clement, C.; Eriksson, D.; Gellerstedt, K.; Hellman, S.; Hidvegi, A.; Holmgren, S. O.; Johansen, M.; Johansson, K. E.; Jon-And, K.; Lesser, J.; Lundberg, J.; Milstead, D. A.; Moa, T.; Nordkvist, B.; Ohm, C. C.; Papadelis, A.; Ramstedt, M.; Sellden, B.; Silverstein, S. B.; Sjolin, J.; Strandberg, S.; Tylmad, M.; Yang, Z.] Stockholm Univ, Dept Phys, S-10691 Stockholm, Sweden. [Asman, B.; Clement, C.; Gellerstedt, K.; Hellman, S.; Johansen, M.; Jon-And, K.; Lundberg, J.; Milstead, D. A.; Moa, T.; Nordkvist, B.; Ohm, C. C.; Ramstedt, M.; Sjolin, J.; Strandberg, S.; Tylmad, M.; Yang, Z.] Oskar Klein Ctr, Stockholm, Sweden. [Lund-Jensen, B.; Strandberg, J.] Royal Inst Technol, Dept Phys, S-10044 Stockholm, Sweden. [Ahmad, A.; Caputo, R.; Deluca, C.; Devetak, E.; DeWilde, B.; Engelmann, R.; Farley, J.; Goodson, J. J.; Grassi, V.; Gray, J. A.; Hobbs, J.; Jia, J.; McCarthy, R. L.; Mohapatra, S.; Rijssenbeek, M.; Schamberger, R. 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[Akimoto, G.; Asai, S.; Azuma, Y.; Dohmae, T.; Imori, M.; Kanaya, N.; Kataoka, Y.; Kawamoto, T.; Kessoku, K.; Kobayashi, T.; Komori, Y.; Mashimo, T.; Masubuchi, T.; Matsumoto, H.; Matsunaga, H.; Nakamura, K.; Ninomiya, Y.; Oda, S.; Okuyama, T.; Sakamoto, H.; Tanaka, J.; Terashi, K.; Ueda, I.; Yamaguchi, H.; Yamamoto, S.; Yamamura, T.; Yamanaka, T.; Yamazaki, T.] Univ Tokyo, Dept Phys, Tokyo 113, Japan. [Bratzler, U.; Fukunaga, C.] Tokyo Metropolitan Univ, Grad Sch Sci & Technol, Tokyo 158, Japan. [Jinnouchi, O.; Kanno, T.; Kuze, M.] Tokyo Inst Technol, Dept Phys, Tokyo 152, Japan. [Bailey, D. C.; Bain, T.; Beare, B.; Brelier, B.; Cheung, S. L.; Deviveiros, P. O.; Dhaliwal, S.; Farooque, T.; Fatholahzadeh, B.; Gibson, A.; Guo, B.; Jankowski, E.; Keung, J.; Knecht, N. S.; Krieger, P.; Le Maner, C.; Martens, F. K.; Orr, R. S.; Rezvani, R.; Rosenbaum, G. A.; Savard, P.; Sinervo, P.; Spreitzer, T.; Tardif, D.; Teuscher, R. J.; Thompson, P. D.; Trischuk, W.] Univ Toronto, Dept Phys, Toronto, ON, Canada. [Azuelos, G.; Canepa, A.; Caron, B.; Chekulaev, S. V.; Fortin, D.; Gingrich, D. M.; Losty, M. J.; Nugent, I. M.; Oakham, F. G.; Oram, C. J.; Savard, P.; Stelzer-Chilton, O.; Tafirout, R.; Trigger, I. M.; Vetterli, M. C.] TRIUMF, Vancouver, BC V6T 2A3, Canada. [Taylor, W.] York Univ, Dept Phys & Astron, Toronto, ON M3J 2R7, Canada. [Hara, K.; Kim, S. H.; Kurata, M.; Nagai, K.; Ukegawa, F.] Univ Tsukuba, Inst Pure & Appl Sci, Ibaraki, Japan. [Hamilton, S.; Napier, A.; Rolli, S.; Sliwa, K.; Todorova-Nova, S.] Tufts Univ, Ctr Sci & Technol, Medford, MA 02155 USA. [Losada, M.; Loureiro, K. F.; Mendoza Navas, L.; Navarro, G.; Rodriguez, D.; Sandoval, C.] Univ Antonio Narino, Ctr Invest, Bogota, Colombia. [Avolio, G.; Bold, T.; Ciobotaru, M. D.; Deng, J.; Dobson, M.; Eschrich, I. Gough; Grabowska-Bold, I.; Hawkins, D.; Lankford, A. J.; Okawa, H.; Porter, R.; Scannicchio, D. A.; Schernau, M.; Taffard, A.; Toggerson, B.; Unel, G.; Werth, M.; Wheeler-Ellis, S. J.; Whiteson, D.; Zhou, N.] Univ Calif Irvine, Dept Phys & Astron, Irvine, CA USA. [Acharya, B. S.; Cauz, D.; Cobal, M.; De Lotto, B.; De Sanctis, U.; Del Papa, C.; Pinamonti, M.; Shaw, K.] Ist Nazl Fis Nucl, Grp Collegato Udine, Milan, Italy. [Acharya, B. S.] Abdus Salaam Int Ctr Theoret Phys, Trieste, Italy. [Cauz, D.; Cobal, M.; De Lotto, B.; De Sanctis, U.; Del Papa, C.; Pinamonti, M.; Shaw, K.] Univ Udine, Dipartimento Fis, I-33100 Udine, Italy. [Benekos, N.; Coggeshall, J.; Cortes-Gonzalez, A.; Errede, D.; Errede, S.; Khandanyan, H.; Lie, K.; Liss, T. M.; McCarn, A.; Neubauer, M. S.; Vichou, I.] Univ Illinois, Dept Phys, Urbana, IL 61801 USA. [Brenner, R.; Buszello, C. P.; Ekelof, T.; Ellert, M.; Ferrari, A.] Uppsala Univ, Dept Phys & Astron, Uppsala, Sweden. [Amoros, G.; Cabrera Urban, S.; Castillo Gimenez, V.; Costa, M. J.; Escobar, C.; Ferrer, A.; Fiorini, L.; Fuster, J.; Garcia, C.; Gonzalez de la Hoz, S.; Hernandez Jimenez, Y.; Higon-Rodriguez, E.; Irles Quiles, A.; Kaci, M.; Lacasta, C.; Lacuesta, V. R.; Marti-Garcia, S.; Minano, M.; Mitsou, V. A.; Moles-Valls, R.; Moreno Llacer, M.; Oliver Garcia, E.; Perez Garcia-Estan, M. T.; Ros, E.; Salt, J.; Solans, C. A.; Soldevila, U.; Sanchez, J.; Torro Pastor, E.; Valladolid Gallego, E.; Valls Ferrer, J. A.; Villaplana Perez, M.; Vos, M.; Wildauer, A.] Univ Valencia, Inst Fis Corpuscular IFIC, Valencia, Spain. [Amoros, G.; Cabrera Urban, S.; Castillo Gimenez, V.; Costa, M. J.; Escobar, C.; Ferrer, A.; Fiorini, L.; Fuster, J.; Garcia, C.; Gonzalez de la Hoz, S.; Hernandez Jimenez, Y.; Higon-Rodriguez, E.; Irles Quiles, A.; Kaci, M.; Lacasta, C.; Lacuesta, V. R.; Marti-Garcia, S.; Minano, M.; Mitsou, V. A.; Moles-Valls, R.; Moreno Llacer, M.; Oliver Garcia, E.; Perez Garcia-Estan, M. T.; Ros, E.; Salt, J.; Solans, C. A.; Soldevila, U.; Sanchez, J.; Torro Pastor, E.; Valladolid Gallego, E.; Valls Ferrer, J. A.; Villaplana Perez, M.; Vos, M.; Wildauer, A.] Univ Valencia, Dept Fis Atom & Mol Nucl, Valencia, Spain. [Amoros, G.; Cabrera Urban, S.; Castillo Gimenez, V.; Costa, M. J.; Escobar, C.; Ferrer, A.; Fiorini, L.; Fuster, J.; Garcia, C.; Gonzalez de la Hoz, S.; Hernandez Jimenez, Y.; Higon-Rodriguez, E.; Irles Quiles, A.; Kaci, M.; Lacasta, C.; Lacuesta, V. R.; Marti-Garcia, S.; Minano, M.; Mitsou, V. A.; Moles-Valls, R.; Moreno Llacer, M.; Oliver Garcia, E.; Perez Garcia-Estan, M. T.; Ros, E.; Salt, J.; Solans, C. A.; Soldevila, U.; Sanchez, J.; Torro Pastor, E.; Valladolid Gallego, E.; Valls Ferrer, J. A.; Villaplana Perez, M.; Vos, M.; Wildauer, A.] Univ Valencia, Dept Ingn Elect, Valencia, Spain. [Amoros, G.; Cabrera Urban, S.; Castillo Gimenez, V.; Costa, M. J.; Escobar, C.; Ferrer, A.; Fiorini, L.; Fuster, J.; Garcia, C.; Gonzalez de la Hoz, S.; Hernandez Jimenez, Y.; Higon-Rodriguez, E.; Irles Quiles, A.; Kaci, M.; Lacasta, C.; Lacuesta, V. R.; Marti-Garcia, S.; Minano, M.; Mitsou, V. A.; Moles-Valls, R.; Moreno Llacer, M.; Oliver Garcia, E.; Perez Garcia-Estan, M. T.; Ros, E.; Salt, J.; Solans, C. A.; Soldevila, U.; Sanchez, J.; Torro Pastor, E.; Valladolid Gallego, E.; Valls Ferrer, J. A.; Villaplana Perez, M.; Vos, M.; Wildauer, A.] Univ Valencia, Inst Microelect Barcelona IMB CNM, Valencia, Spain. [Amoros, G.; Cabrera Urban, S.; Castillo Gimenez, V.; Costa, M. J.; Escobar, C.; Ferrer, A.; Fiorini, L.; Fuster, J.; Garcia, C.; Gonzalez de la Hoz, S.; Hernandez Jimenez, Y.; Higon-Rodriguez, E.; Irles Quiles, A.; Kaci, M.; Lacasta, C.; Lacuesta, V. R.; Marti-Garcia, S.; Minano, M.; Mitsou, V. A.; Moles-Valls, R.; Moreno Llacer, M.; Oliver Garcia, E.; Perez Garcia-Estan, M. T.; Ros, E.; Salt, J.; Solans, C. 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T.; Wagner, W.; Wahlen, H.; Wicke, D.; Zeitnitz, C.] Berg Univ Wuppertal, Fachbereich Phys C, Wuppertal, Germany. [Adelman, J.; Atoian, G.; Auerbach, B.; Baker, O. K.; Bedikian, S.; Almenar, C. Cuenca; Demers, S.; Garberson, F.; Golling, T.; Guest, D.; Hsu, P. J.; Kaplan, B.; Lee, L.; Lockwitz, S.; Loginov, A.; Martin, A. J.; Sherman, D.; Thioye, M.; Tipton, R.; Wall, R.; Zeller, M.] Yale Univ, Dept Phys, New Haven, CT USA. [Grabski, V.; Hakobyan, H.] Yerevan Phys Inst, Yerevan 375036, Armenia. [Biscarat, C.; Cogneras, E.; Rahal, G.] Ctr Calcul CNRS IN2P3, Villeurbanne, France. [Amorim, A.; Gomes, A.; Jorge, P. M.; Lopes, L.; Maio, A.; Palma, A.; Pina, J.; Pinto, B.; Saraiva, J. G.; Silva, J.] Univ Lisbon, Fac Ciencias, P-1200 Lisbon, Portugal. [Amorim, A.; Gomes, A.; Jorge, P. M.; Lopes, L.; Maio, A.; Palma, A.; Pina, J.; Pinto, B.; Saraiva, J. G.; Silva, J.] Univ Lisbon, CFNUL, P-1200 Lisbon, Portugal. [Bawa, H. S.; Gao, Y. S.; Lowe, A. 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Barreiro, Fernando/D-9808-2012; Kramarenko, Victor/E-1781-2012; Alexa, Calin/F-6345-2010; Moorhead, Gareth/B-6634-2009; Petrucci, Fabrizio/G-8348-2012; Gutierrez, Phillip/C-1161-2011; Ferrando, James/A-9192-2012; collins-tooth, christopher/A-9201-2012; Perrino, Roberto/B-4633-2010; Stoicea, Gabriel/B-6717-2011; branchini, paolo/A-4857-2011; Wolter, Marcin/A-7412-2012; Rotaru, Marina/A-3097-2011; Doyle, Anthony/C-5889-2009; Buttar, Craig/D-3706-2011; Laurelli, Paolo/B-1432-2012; De Cecco, Sandro/B-1016-2012; Takai, Helio/C-3301-2012; Grancagnolo, Francesco/K-2857-2015; Korol, Aleksandr/A-6244-2014; Karyukhin, Andrey/J-3904-2014; Capua, Marcella/A-8549-2015; Tartarelli, Giuseppe Francesco/A-5629-2016; Ventura, Andrea/A-9544-2015; BESSON, NATHALIE/L-6250-2015; Mora Herrera, Maria Clemencia/L-3893-2016; Maneira, Jose/D-8486-2011; Prokoshin, Fedor/E-2795-2012; KHODINOV, ALEKSANDR/D-6269-2015; Goncalo, Ricardo/M-3153-2016; Idzik, Marek/A-2487-2017; Solodkov, Alexander/B-8623-2017; Zaitsev, Alexandre/B-8989-2017; Yang, Haijun/O-1055-2015; Monzani, Simone/D-6328-2017; Carvalho, Joao/M-4060-2013; Booth, Christopher/B-5263-2016; Tikhomirov, Vladimir/M-6194-2015; Gonzalez de la Hoz, Santiago/E-2494-2016; Guo, Jun/O-5202-2015; Smirnova, Oxana/A-4401-2013; Aguilar Saavedra, Juan Antonio/F-1256-2016; Pacheco Pages, Andres/C-5353-2011; Leyton, Michael/G-2214-2016; Vranjes Milosavljevic, Marija/F-9847-2016; SULIN, VLADIMIR/N-2793-2015; Olshevskiy, Alexander/I-1580-2016; Cabrera Urban, Susana/H-1376-2015; Mir, Lluisa-Maria/G-7212-2015; Cavalli-Sforza, Matteo/H-7102-2015; Ferrer, Antonio/H-2942-2015; Hansen, John/B-9058-2015; Grancagnolo, Sergio/J-3957-2015; spagnolo, stefania/A-6359-2012; Shmeleva, Alevtina/M-6199-2015; Camarri, Paolo/M-7979-2015; Gavrilenko, Igor/M-8260-2015; Jones, Roger/H-5578-2011; Chekulaev, Sergey/O-1145-2015; Gorelov, Igor/J-9010-2015; Chudoba, Jiri/G-7737-2014; Peleganchuk, Sergey/J-6722-2014; Santamarina Rios, Cibran/K-4686-2014; Bosman, Martine/J-9917-2014; Lei, Xiaowen/O-4348-2014; Demirkoz, Bilge/C-8179-2014; Villaplana Perez, Miguel/B-2717-2015; Livan, Michele/D-7531-2012; Mitsou, Vasiliki/D-1967-2009; Joergensen, Morten/E-6847-2015; Martins, Paulo/M-1844-2014; Riu, Imma/L-7385-2014; O'Shea, Val/G-1279-2010; Lee, Jason/B-9701-2014; Morozov, Sergey/C-1396-2014; Ancu, Lucian Stefan/F-1812-2010; Villa, Mauro/C-9883-2009; Nozka, Libor/G-5550-2014; Nemecek, Stanislav/G-5931-2014; Lokajicek, Milos/G-7800-2014; Staroba, Pavel/G-8850-2014; Kupco, Alexander/G-9713-2014; Mikestikova, Marcela/H-1996-2014; Snesarev, Andrey/H-5090-2013; Svatos, Michal/G-8437-2014; Boyko, Igor/J-3659-2013; Kuleshov, Sergey/D-9940-2013; Anjos, Nuno/I-3918-2013; Kartvelishvili, Vakhtang/K-2312-2013; Dawson, Ian/K-6090-2013; Solfaroli Camillocci, Elena/J-1596-2012; Marti-Garcia, Salvador/F-3085-2011; Castro, Nuno/D-5260-2011; Wolters, Helmut/M-4154-2013; Warburton, Andreas/N-8028-2013; De, Kaushik/N-1953-2013; Sukharev, Andrey/A-6470-2014 OI Orlov, Ilya/0000-0003-4073-0326; Annovi, Alberto/0000-0002-4649-4398; Brooks, William/0000-0001-6161-3570; Pina, Joao /0000-0001-8959-5044; Vanyashin, Aleksandr/0000-0002-0367-5666; La Rosa, Alessandro/0000-0001-6291-2142; Moraes, Arthur/0000-0002-5157-5686; Conde Muino, Patricia/0000-0002-9187-7478; Doria, Alessandra/0000-0002-5381-2649; Veloso, Filipe/0000-0002-5956-4244; Gomes, Agostinho/0000-0002-5940-9893; la rotonda, laura/0000-0002-6780-5829; Osculati, Bianca Maria/0000-0002-7246-060X; Amorim, Antonio/0000-0003-0638-2321; Santos, Helena/0000-0003-1710-9291; Coccaro, Andrea/0000-0003-2368-4559; De Lotto, Barbara/0000-0003-3624-4480; Wemans, Andre/0000-0002-9669-9500; Fabbri, Laura/0000-0002-4002-8353; Kuzhir, Polina/0000-0003-3689-0837; Delmastro, Marco/0000-0003-2992-3805; Veneziano, Stefano/0000-0002-2598-2659; Della Pietra, Massimo/0000-0003-4446-3368; Andreazza, Attilio/0000-0001-5161-5759; Cascella, Michele/0000-0003-2091-2501; Britton, David/0000-0001-9998-4342; Smirnov, Sergei/0000-0002-6778-073X; Gladilin, Leonid/0000-0001-9422-8636; Barreiro, Fernando/0000-0002-3021-0258; Moorhead, Gareth/0000-0002-9299-9549; Petrucci, Fabrizio/0000-0002-5278-2206; Ferrando, James/0000-0002-1007-7816; Perrino, Roberto/0000-0002-5764-7337; Stoicea, Gabriel/0000-0002-7511-4614; Rotaru, Marina/0000-0003-3303-5683; Doyle, Anthony/0000-0001-6322-6195; Takai, Helio/0000-0001-9253-8307; Grancagnolo, Francesco/0000-0002-9367-3380; Korol, Aleksandr/0000-0001-8448-218X; Maio, Amelia/0000-0001-9099-0009; Fiolhais, Miguel/0000-0001-9035-0335; Karyukhin, Andrey/0000-0001-9087-4315; Anjos, Nuno/0000-0002-0018-0633; Abdelalim, Ahmed Ali/0000-0002-2056-7894; Capua, Marcella/0000-0002-2443-6525; Di Micco, Biagio/0000-0002-4067-1592; Tartarelli, Giuseppe Francesco/0000-0002-4244-502X; Ventura, Andrea/0000-0002-3368-3413; Mora Herrera, Maria Clemencia/0000-0003-3915-3170; Maneira, Jose/0000-0002-3222-2738; Prokoshin, Fedor/0000-0001-6389-5399; KHODINOV, ALEKSANDR/0000-0003-3551-5808; Goncalo, Ricardo/0000-0002-3826-3442; Solodkov, Alexander/0000-0002-2737-8674; Zaitsev, Alexandre/0000-0002-4961-8368; Monzani, Simone/0000-0002-0479-2207; Carvalho, Joao/0000-0002-3015-7821; Booth, Christopher/0000-0002-6051-2847; Tikhomirov, Vladimir/0000-0002-9634-0581; Gonzalez de la Hoz, Santiago/0000-0001-5304-5390; Guo, Jun/0000-0001-8125-9433; Smirnova, Oxana/0000-0003-2517-531X; Aguilar Saavedra, Juan Antonio/0000-0002-5475-8920; Pacheco Pages, Andres/0000-0001-8210-1734; Leyton, Michael/0000-0002-0727-8107; Vranjes Milosavljevic, Marija/0000-0003-4477-9733; SULIN, VLADIMIR/0000-0003-3943-2495; Olshevskiy, Alexander/0000-0002-8902-1793; Mir, Lluisa-Maria/0000-0002-4276-715X; Ferrer, Antonio/0000-0003-0532-711X; Hansen, John/0000-0002-8422-5543; Grancagnolo, Sergio/0000-0001-8490-8304; spagnolo, stefania/0000-0001-7482-6348; Camarri, Paolo/0000-0002-5732-5645; Jones, Roger/0000-0002-6427-3513; Gorelov, Igor/0000-0001-5570-0133; Peleganchuk, Sergey/0000-0003-0907-7592; Santamarina Rios, Cibran/0000-0002-9810-1816; Bosman, Martine/0000-0002-7290-643X; Lei, Xiaowen/0000-0002-2564-8351; Villaplana Perez, Miguel/0000-0002-0048-4602; Livan, Michele/0000-0002-5877-0062; Mitsou, Vasiliki/0000-0002-1533-8886; Joergensen, Morten/0000-0002-6790-9361; Martins, Paulo/0000-0003-3753-3751; Riu, Imma/0000-0002-3742-4582; O'Shea, Val/0000-0001-7183-1205; Lee, Jason/0000-0002-2153-1519; Morozov, Sergey/0000-0002-6748-7277; Ancu, Lucian Stefan/0000-0001-5068-6723; Villa, Mauro/0000-0002-9181-8048; Mikestikova, Marcela/0000-0003-1277-2596; Svatos, Michal/0000-0002-7199-3383; Boyko, Igor/0000-0002-3355-4662; Kuleshov, Sergey/0000-0002-3065-326X; Solfaroli Camillocci, Elena/0000-0002-5347-7764; Castro, Nuno/0000-0001-8491-4376; Wolters, Helmut/0000-0002-9588-1773; Warburton, Andreas/0000-0002-2298-7315; De, Kaushik/0000-0002-5647-4489; FU ANPCyT, Argentina; YerPhI, Armenia; ARC, Australia; BMWF, Austria; ANAS, Azerbaijan; SSTC, Belarus; CNPq, Brazil; FAPESP, Brazil; NSERC, Canada; NRC, Canada; CFI, Canada; CERN; CONICYT, Chile; CAS, China; MOST, China; NSFC, China; COLCIENCIAS, Colombia; MSMT CR, Czech Republic; MPO CR, Czech Republic; VSC CR, Czech Republic; DNRF, Denmark; DNSRC, Denmark; Lundbeck Foundation, Denmark; ARTEMIS; European Union; IN2P3-CNRS, France; CEA-DSM/IRFU, France; GNAS, Georgia; BMBF, Germany; DFG, Germany; HGF, Germany; MPG, Germany; AvH Foundation, Germany; GSRT, Greece; ISF, Israel; MINERVA, Israel; GIF, Israel; DIP and Benoziyo Center, Israel; INFN, Italy; MEXT, Japan; JSPS, Japan; CNRST, Morocco; FOM, Netherlands; NWO, Netherlands; RCN, Norway; MNiSW, Poland; GRICES, Portugal; FCT, Portugal; MERYS (MECTS), Romania; MES of Russia; ROSATOM, Russian Federation; JINR; MSTD, Serbia; MSSR, Slovakia; ARRS and MVZT, Slovenia; DST/NRF, South Africa; MICINN, Spain; SRC and Wallenberg Foundation, Sweden; SER; SNSF; Cantons of Bern and Geneva, Switzerland; NSC, Taiwan; TAEK, Turkey; STFC; Royal Society and Leverhulme Trust, United Kingdom; DOE; NSF, United States FX We acknowledge the support of ANPCyT, Argentina; YerPhI, Armenia; ARC, Australia; BMWF, Austria; ANAS, Azerbaijan; SSTC, Belarus; CNPq and FAPESP, Brazil; NSERC, NRC and CFI, Canada; CERN; CONICYT, Chile; CAS, MOST and NSFC, China; COLCIENCIAS, Colombia; MSMT CR, MPO CR and VSC CR, Czech Republic; DNRF, DNSRC and Lundbeck Foundation, Denmark; ARTEMIS, European Union; IN2P3-CNRS, CEA-DSM/IRFU, France; GNAS, Georgia; BMBF, DFG, HGF, MPG and AvH Foundation, Germany; GSRT, Greece; ISF, MINERVA, GIF, DIP and Benoziyo Center, Israel; INFN, Italy; MEXT and JSPS, Japan; CNRST, Morocco; FOM and NWO, Netherlands; RCN, Norway; MNiSW, Poland; GRICES and FCT, Portugal; MERYS (MECTS), Romania; MES of Russia and ROSATOM, Russian Federation; JINR; MSTD, Serbia; MSSR, Slovakia; ARRS and MVZT, Slovenia; DST/NRF, South Africa; MICINN, Spain; SRC and Wallenberg Foundation, Sweden; SER, SNSF and Cantons of Bern and Geneva, Switzerland; NSC, Taiwan; TAEK, Turkey; STFC, the Royal Society and Leverhulme Trust, United Kingdom; DOE and NSF, United States. NR 23 TC 33 Z9 33 U1 4 U2 63 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 0370-2693 EI 1873-2445 J9 PHYS LETT B JI Phys. Lett. B PD DEC 6 PY 2011 VL 706 IS 2-3 BP 150 EP 167 DI 10.1016/j.physletb.2011.11.010 PG 18 WC Astronomy & Astrophysics; Physics, Nuclear; Physics, Particles & Fields SC Astronomy & Astrophysics; Physics GA 865VC UT WOS:000298338000006 ER PT J AU Dumitru, A Jalilian-Marian, J Lappi, T Schenke, B Venugopalan, R AF Dumitru, A. Jalilian-Marian, J. Lappi, T. Schenke, B. Venugopalan, R. TI Renormalization group evolution of multi-gluon correlators in high energy QCD SO PHYSICS LETTERS B LA English DT Article ID COLOR GLASS CONDENSATE; QUARK PAIR PRODUCTION; LARGE NUCLEI; SMALL-X; SCATTERING; SATURATION; COLLISIONS; MOMENTUM; JIMWLK; FEATURES AB Many-body QCD in leading high energy Regge asymptotics is described by the Balitsky-JIMWLK hierarchy of renormalization group equations for the x evolution of multi-point Wilson line correlators. These correlators are universal and ubiquitous in final states in deeply inelastic scattering and hadronic collisions. For instance, recently measured di-hadron correlations at forward rapidity in deuteron-gold collisions at the Relativistic Heavy Ion Collider (RHIC) are sensitive to four and six point correlators of Wilson lines in the small x color fields of the dense nuclear target. We evaluate these correlators numerically by solving the functional Langevin equation that describes the Balitsky-JIMWLK hierarchy. We compare the results to mean-field Gaussian and large N(c) approximations used in previous phenomenological studies. We comment on the implications of our results for quantitative studies of multi-gluon final states in high energy QCD. (C) 2011 Elsevier B.V. All rights reserved. C1 [Schenke, B.; Venugopalan, R.] Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA. [Dumitru, A.] Brookhaven Natl Lab, RIKEN BNL Res Ctr, Upton, NY 11973 USA. [Dumitru, A.; Jalilian-Marian, J.] CUNY, Dept Nat Sci, Baruch Coll, New York, NY 10010 USA. [Dumitru, A.; Jalilian-Marian, J.] CUNY, Grad Sch, New York, NY 10016 USA. [Dumitru, A.; Jalilian-Marian, J.] CUNY, Univ Ctr, New York, NY 10016 USA. [Lappi, T.] Univ Jyvaskyla, Dept Phys, Jyvaskyla 40014, Finland. [Lappi, T.] Univ Helsinki, Helsinki Inst Phys, FIN-00014 Helsinki, Finland. RP Schenke, B (reprint author), Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA. EM bschenke@quark.phy.bnl.gov FU Academy of Finland [126604, 141555]; US Department of Energy [DE-AC02-98CH10886]; DOE Office of Nuclear Physics [DE-FG02-09ER41620]; City University of New York [63382-0041, 63404-0041]; Brookhaven National Laboratory [LDRD 10-043] FX Discussions with G. Beuf, F. Dominguez, F. Gelis, E. Iancu, A.H. Mueller, K. Rummukainen, H. Weigert, D. Triantofyllopoulos, B.-W. Xiao and F. Yuan are gratefully acknowledged. T.L. has been supported by the Academy of Finland, projects 126604 and 141555 and by computing resources from CSC - IT Center for Science in Espoo, Finland. He thanks the Nuclear Theory Group at BNL for its hospitality during the early stages of this work. B.P.S. and R.V. are supported by US Department of Energy under DOE Contract No. DE-AC02-98CH10886. A.D. and J.J.-M. acknowledge support by the DOE Office of Nuclear Physics through Grant No. DE-FG02-09ER41620 and from The City University of New York through the PSC-CUNY Research Award Program, grants 63382-0041 (A.D.) and 63404-0041 (J.J-M.). We acknowledge support from the "Lab Directed Research and Development" grant LDRD 10-043 (Brookhaven National Laboratory), NR 44 TC 67 Z9 69 U1 0 U2 1 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 0370-2693 J9 PHYS LETT B JI Phys. Lett. B PD DEC 6 PY 2011 VL 706 IS 2-3 BP 219 EP 224 DI 10.1016/j.physletb.2011.11.002 PG 6 WC Astronomy & Astrophysics; Physics, Nuclear; Physics, Particles & Fields SC Astronomy & Astrophysics; Physics GA 865VC UT WOS:000298338000015 ER PT J AU Close, S Fletcher, A Dunham, M Linscott, I AF Close, S. Fletcher, A. Dunham, M. Linscott, I. TI Coherent matched filter signal-processing algorithms for probing the ionosphere using broadband RF data SO JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS LA English DT Article AB We have developed a new method for extracting ionospheric parameters from broadband RF data collected in low-Earth orbit using coherent matched filters. The coherent matched filter uses the full time series of the electric field and matches the Fourier transform of these data with an ionospheric transfer function. This approach was applied to both lightning and human-made data transmitted on or near the ground and collected on-board the FORTE satellite, which is a low-Earth orbiting satellite with a broadband RF VHF receiver. We show that this approach allows us to discriminate natural (i.e., lightning) from human-made signals and provides a more accurate estimate of the total electron content (TEC) compared to the quasi-longitudinal approach applied to low VHF data. A comparison of TEC retrieval methods and sensitivity is described herein. C1 [Close, S.; Fletcher, A.; Linscott, I.] Stanford Univ, Dept Aeronaut & Astronaut, Stanford, CA 94305 USA. [Dunham, M.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA. [Linscott, I.] Stanford Univ, Dept Elect Engn, Stanford, CA 94305 USA. RP Close, S (reprint author), Stanford Univ, Dept Aeronaut & Astronaut, 161 Packard Bldg,350 Serra Mall, Stanford, CA 94305 USA. EM sigridc@stanford.edu NR 14 TC 1 Z9 1 U1 0 U2 5 PU AMER GEOPHYSICAL UNION PI WASHINGTON PA 2000 FLORIDA AVE NW, WASHINGTON, DC 20009 USA SN 0148-0227 J9 J GEOPHYS RES-SPACE JI J. Geophys. Res-Space Phys. PD DEC 6 PY 2011 VL 116 AR A12307 DI 10.1029/2011JA016992 PG 8 WC Astronomy & Astrophysics SC Astronomy & Astrophysics GA 860WE UT WOS:000297978200002 ER PT J AU Paudel, TR Zakutayev, A Lany, S d'Avezac, M Zunger, A AF Paudel, Tula R. Zakutayev, Andriy Lany, Stephan d'Avezac, Mayeul Zunger, Alex TI Doping Rules and Doping Prototypes in A2BO4 Spinel Oxides SO ADVANCED FUNCTIONAL MATERIALS LA English DT Article DE Spinels; A2BO4; TCO; B2AO4; doping rules ID SOLID-STATE REACTION; WIDE BAND-GAP; THERMOELECTRIC PROPERTIES; HIGH ELECTROCONDUCTIVITY; ELECTRICAL-CONDUCTIVITY; CADMIUM STANNATE; DEFECTS; LITHIUM; ENERGY; PHASE AB A2BO4 spinels constitute one of the largest groups of oxides, with potential applications in many areas of technology, including (transparent) conducting layers in solar cells. However, the electrical properties of most spinel oxides remain unknown and poorly controlled. Indeed, a significant bottleneck hindering widespread use of spinels as advanced electronic materials is the lack of understanding of the key defects rendering them as p-type or n-type conductors. By applying first-principles defect calculations to a large number of spinel oxides the major trends controlling their dopability are uncovered. Anti-site defects are the main source of electrical conductivity in these compounds. The trends in anti-sites transition levels are systemized, revealing fundamental doping rules, so as to guide practical doping of these oxides. Four distinct doping types (DTs) emerge from a high-throughput screening of a large number of spinel oxides: i) donor above acceptor, both are in the gap, i.e., both are electrically active and compensated (DT-1), ii) acceptor above donor, and only acceptor is in the gap, i.e., only acceptor is electrically active (DT-2), iii) acceptor above donor, and only donor is in the gap, i.e., only donor is electrically active (DT3), and iv) acceptor above donor in the gap, i.e., both donor and acceptor are electrically active, but not compensated (DT-4). Donors and acceptors in DT-1 materials compensate each other to a varying degree, and external doping is limited due to Fermi level pinning. Acceptors in DT-2 and donors in DT-3 are uncompensated and may ionize and create holes or electrons, and external doping can further enhance their concentration. Donor and acceptor in DT-4 materials do not compensate each other, and when the net concentration of carriers is small due to deep levels, it can be enhanced by external doping. C1 [Paudel, Tula R.; Zakutayev, Andriy; Lany, Stephan; d'Avezac, Mayeul] Natl Renewable Energy Lab, Golden, CO 80401 USA. [Zunger, Alex] Univ Colorado, Boulder, CO 80309 USA. RP Paudel, TR (reprint author), Natl Renewable Energy Lab, Golden, CO 80401 USA. EM alex.zunger@gmail.com RI Zakutayev, Andriy/C-6243-2008; Zunger, Alex/A-6733-2013; OI Zakutayev, Andriy/0000-0002-3054-5525; d'Avezac, Mayeul/0000-0002-2615-8397; Lany, Stephan/0000-0002-8127-8885 FU Center for Inverse Design; Energy Frontier Research Center; U.S. Department of Energy, Office of Science, Basic Energy Sciences FX This work was supported through the Center for Inverse Design, an Energy Frontier Research Center funded by the U.S. Department of Energy, Office of Science, Basic Energy Sciences. We thank Xiuwen Zhang for sharing an unpublished elemental chemical potential table and Vladan Stevanovic for important input and useful discussions. Please note: This article was amended on December 6, 2011 to replace Figures with color versions. NR 62 TC 70 Z9 70 U1 9 U2 145 PU WILEY-BLACKWELL PI MALDEN PA COMMERCE PLACE, 350 MAIN ST, MALDEN 02148, MA USA SN 1616-301X J9 ADV FUNCT MATER JI Adv. Funct. Mater. PD DEC 6 PY 2011 VL 21 IS 23 BP 4493 EP 4501 DI 10.1002/adfm.201101469 PG 9 WC Chemistry, Multidisciplinary; Chemistry, Physical; Nanoscience & Nanotechnology; Materials Science, Multidisciplinary; Physics, Applied; Physics, Condensed Matter SC Chemistry; Science & Technology - Other Topics; Materials Science; Physics GA 854NH UT WOS:000297501000013 ER PT J AU Sun, L Noh, KW Wen, JG Dillon, SJ AF Sun, Li Noh, Kyong Wook Wen, Jian-Guo Dillon, Shen J. TI In Situ Transmission Electron Microscopy Observation of Silver Oxidation in Ionized/Atomic Gas SO LANGMUIR LA English DT Article ID ATOMIC OXYGEN; FILMS; INTERFACE; SURFACES AB The interaction between silver and ionized and atomic gas was observed directly by in situ transmission electron microscopy with an environmental cell for the first time. The electron beam provides dual functions as the source of both gas ionization and imaging. The concentration of ionized gas was tuned via adjusting the current density of the electron beam. Oxidation of the silver is observed in situ, indicating the presence of ionized and/or atomic oxygen. The evolution of microstructure and phase constituents was characterized. Then the oxidation rate was measured, and the relationships among grain size, mass transport rate, and electron flux were characterized. The role of the electron beam is discussed, and the results are rationalized with respect to ex situ results from the literature. C1 [Sun, Li; Dillon, Shen J.] Univ Illinois, Dept Mat Sci & Engn, Urbana, IL 61801 USA. [Sun, Li] MIT, Dept Mat Sci & Engn, Cambridge, MA 02139 USA. [Noh, Kyong Wook] Univ Illinois, Dept Chem & Biomol Engn, Urbana, IL 61801 USA. [Wen, Jian-Guo] Argonne Natl Lab, Ctr Electron Microscopy, Div Mat Sci, Argonne, IL 60439 USA. RP Dillon, SJ (reprint author), Univ Illinois, Dept Mat Sci & Engn, Urbana, IL 61801 USA. EM sdillon@illinois.edu RI dillon, shen/N-1850-2013 OI dillon, shen/0000-0002-6192-4026 FU National Science Foundation Division of Materials Research [DMR 0906874]; U.S. Department of Energy [DE-FG02-07ER46453, DE-FG02-07ER46471] FX We acknowledge support from the National Science Foundation Division of Materials Research's Ceramics Program under Contract DMR 0906874. TEM work was performed in the Frederick Seitz Materials Research Laboratory Central Facilities, University of Illinois, which are partially supported by the U.S. Department of Energy under Grants DE-FG02-07ER46453 and DE-FG02-07ER46471. NR 14 TC 10 Z9 10 U1 1 U2 24 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0743-7463 J9 LANGMUIR JI Langmuir PD DEC 6 PY 2011 VL 27 IS 23 BP 14201 EP 14206 DI 10.1021/la202949c PG 6 WC Chemistry, Multidisciplinary; Chemistry, Physical; Materials Science, Multidisciplinary SC Chemistry; Materials Science GA 853LJ UT WOS:000297427500031 PM 21999897 ER PT J AU Rojas, G Chen, XM Kunkel, D Bode, M Enders, A AF Rojas, Geoffrey Chen, Xumin Kunkel, Donna Bode, Matthias Enders, Axel TI Temperature Dependence of Metal-Organic Heteroepitaxy SO LANGMUIR LA English DT Article ID TETRAPYRIDYL-PORPHYRIN MOLECULES; SCANNING-TUNNELING-MICROSCOPY; SURFACE-DIFFUSION; GROWTH; AG(111); NUCLEATION; ATOMS; TETRAPHENYLPORPHYRIN; LAYER AB The nucleation and growth of 2D layers of tetraphenyl porphyrin molecules on Ag(111) are studied with variable-temperature scanning tunneling microscopy. The organic/metal heteroepitaxy occurs by strict analogy to established principles for metal heteroepitaxy. A hierarchy of energy barriers for diffusion on terraces and along edges and around corners of adislands is established. The temperature is key to activating these barriers selectively, thus determining the shape of the organic aggregates, from a fractal shape at lower temperatures to a compact shape at higher temperatures. The energy barriers for the terrace diffusion of porpyrins and the molecule-molecule binding energy were determined to be 30 meV < E(terrace) < 60 and 130 meV < E(diss) < 160 meV, respectively, from measurements of island sizes as a function of temperature. This study provides an experimental verification of the validity of current models of epitaxy for the heteroepitaxy of organics and is thus expected to help establish design principles for complex metal-organic hybrid structures. C1 [Rojas, Geoffrey; Chen, Xumin; Kunkel, Donna; Enders, Axel] Univ Nebraska, Dept Phys & Astron, Lincoln, NE 68510 USA. [Enders, Axel] Univ Nebraska, Nebraska Ctr Nanomat, Lincoln, NE 68510 USA. [Bode, Matthias] Argonne Natl Lab, Ctr Nano Mat, Argonne, IL 60439 USA. [Bode, Matthias] Univ Wurzburg, Dept Phys, D-97074 Wurzburg, Germany. RP Enders, A (reprint author), Univ Nebraska, Dept Phys & Astron, Lincoln, NE 68510 USA. EM aenders2@unl.edu RI Bode, Matthias/S-3249-2016 OI Bode, Matthias/0000-0001-7514-5560 FU NSF [DMR-0747704]; MRSEC [DMR-0213808]; U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences [DE-AC02-06CH11357] FX This work was supported by the NSF through CAREER (DMR-0747704) and MRSEC (DMR-0213808). The use of the facilities at the Center for Nanoscale Materials was supported by the U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences, under contract no. DE-AC02-06CH11357. NR 29 TC 7 Z9 7 U1 1 U2 15 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0743-7463 J9 LANGMUIR JI Langmuir PD DEC 6 PY 2011 VL 27 IS 23 BP 14267 EP 14271 DI 10.1021/la203389d PG 5 WC Chemistry, Multidisciplinary; Chemistry, Physical; Materials Science, Multidisciplinary SC Chemistry; Materials Science GA 853LJ UT WOS:000297427500039 PM 21970378 ER PT J AU Nieh, MP Dolinar, P Kucerka, N Kline, SR Debeer-Schmitt, LM Littrell, KC Katsaras, J AF Nieh, Mu-Ping Dolinar, Paul Kucerka, Norbert Kline, Steven R. Debeer-Schmitt, Lisa M. Littrell, Kenneth C. Katsaras, John TI Formation of Kinetically Trapped Nanoscopic Unilamellar Vesicles from Metastable Nanodiscs SO LANGMUIR LA English DT Article ID SOLID-STATE NMR; TRANSMISSION ELECTRON-MICROSCOPY; ANGLE NEUTRON-SCATTERING; HIGH-RESOLUTION NMR; PHOSPHOLIPID-BILAYERS; X-RAY; SPONTANEOUS VESICULATION; UNBINDING TRANSITION; MEMBRANE-PROTEINS; MODEL MEMBRANE AB Zwitterionic long-chain lipids (e.g., dimyristoyl phosphatidylcholine, DMPC) spontaneously form onion-like, thermodynamically stable structures in aqueous solutions (commonly known as multilamellar vesicles, or MLVs). It has also been reported that the addition of zwitterionic short-chain (i.e., dihexanoyl phosphatidylcholine, DHPC) and charged long-chain (i.e., dimyristoyl phosphatidylglycerol, DMPG) lipids to zwitterionic long-chain lipid solutions results in the formation of unilamellar vesicles (ULVs). Here, we report a kinetic study on lipid mixtures composed of DMPC, DHPC, and DMPG. Two membrane charge densities (i.e., [DMPG]/[DMPC] = 0.01 and 0.001) and two solution salinities (i.e., [NaCl] = 0 and 0.2 M) are investigated. Upon dilution of the high-concentration samples at 50 degrees C, thermodynamically stable MLVs are formed, in the case of both weakly charged and high salinity solution mixtures, implying that the electrostatic interactions between bilayers are insufficient to cause MLVs to unbind. Importantly, in the case of these samples small angle neutron scattering (SANS) data show that, initially, nanodiscs (also known as bicelles) or bilayered ribbons form at low temperatures (i.e., 10 degrees C), but transform into uniform size, nanoscopic ULVs after incubation at 10 degrees C for 20 h, indicating that the nanodisc is a metastable structure. The instability of nanodiscs may be attributed to low membrane rigidity due to a reduced charge density and high salinity. Moreover, the uniform-sized ULVs persist even after being heated to 50 degrees C, where thermodynamically stable MLVs are observed. This result clearly demonstrates that these ULVs are kinetically trapped, and that the mechanical properties (e.g., bending rigidity) of 10 degrees C nanodiscs favor the formation of nanoscopic ULVs over that of MLVs. From a practical point of view, this method of forming uniform-sized ULVs may lend itself to their mass production, thus making them economically feasible for medical applications that depend on monodisperse lipid-based systems for therapeutic and diagnostic purposes. C1 [Nieh, Mu-Ping] Univ Connecticut, Inst Mat Sci, Dept Chem Mat & Biomol Engn, Storrs, CT 06269 USA. [Dolinar, Paul] Univ Ottawa, Ottawa, ON K1N 6N5, Canada. [Kucerka, Norbert; Katsaras, John] Canadian Neutron Beam Ctr, Chalk River Labs, Natl Res Council, Chalk River, ON KOJ 1JO, Canada. [Kucerka, Norbert] Comenius Univ, Dept Phys Chem Drugs, Bratislava 83535, Slovakia. [Kline, Steven R.] NIST, Gaithersburg, MD 20899 USA. [Debeer-Schmitt, Lisa M.; Littrell, Kenneth C.; Katsaras, John] Oak Ridge Natl Lab, Neutron Scattering Sci Div, Oak Ridge, TN 37831 USA. [Katsaras, John] Brock Univ, Dept Phys, St Catharines, ON L2S 3A1, Canada. [Katsaras, John] Univ Guelph, Guelph Waterloo Phys Inst, Guelph, ON N1G 2W1, Canada. [Katsaras, John] Univ Guelph, Guelph Waterloo Phys Inst, Biophys Interdept Grp, Guelph, ON N1G 2W1, Canada. RP Nieh, MP (reprint author), Univ Connecticut, Inst Mat Sci, Dept Chem Mat & Biomol Engn, Storrs, CT 06269 USA. EM mu-ping.nieh@ims.uconn.edu RI DeBeer-Schmitt, Lisa/I-3313-2015; Littrell, Kenneth/D-2106-2013 OI DeBeer-Schmitt, Lisa/0000-0001-9679-3444; Nieh, Mu-Ping/0000-0003-4462-8716; Katsaras, John/0000-0002-8937-4177; Littrell, Kenneth/0000-0003-2308-8618 FU National Science Foundation [DMR-0944772]; Scientific User Facilities Division, Office of Basic Energy Sciences, United States Department of Energy (U.S. DOE); U.S. DOE [DE-AC05-00OR22725]; University of Connecticut (UConn) faculty; Institute of Materials Science (IMS) at UConn; ORNL's Laboratory Directed Research and Development (LDRD); Program Development programs FX This work made use of facilities supported in part by the National Science Foundation under Agreement No. DMR-0944772. The mention of commercial products does not imply endorsement by NIST, nor does it imply that the materials or equipment identified are necessarily the best available for the purpose. The work at ORNL's High Flux Isotope Reactor was sponsored by the Scientific User Facilities Division, Office of Basic Energy Sciences, United States Department of Energy (U.S. DOE). ORNL is operated by UT-Battelle, LLC for the U.S. DOE under Contract No. DE-AC05-00OR22725. M.-P.N. is grateful for the funding support from University of Connecticut (UConn) faculty large grant and the startup fund provided by Institute of Materials Science (IMS) at UConn. J.K. is supported through ORNL's Laboratory Directed Research and Development (LDRD) and Program Development programs. NR 78 TC 17 Z9 17 U1 4 U2 42 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0743-7463 J9 LANGMUIR JI Langmuir PD DEC 6 PY 2011 VL 27 IS 23 BP 14308 EP 14316 DI 10.1021/la2023314 PG 9 WC Chemistry, Multidisciplinary; Chemistry, Physical; Materials Science, Multidisciplinary SC Chemistry; Materials Science GA 853LJ UT WOS:000297427500044 PM 21951150 ER PT J AU Song, Y Klivansky, LM Liu, Y Chen, SW AF Song, Yang Klivansky, Liana M. Liu, Yi Chen, Shaowei TI Enhanced Stability of Janus Nanoparticles by Covalent Cross-Linking of Surface Ligands SO LANGMUIR LA English DT Article ID SELF-ASSEMBLED MONOLAYERS; GOLD NANOPARTICLES; OPTICAL-ABSORPTION; MOLECULES; DYNAMICS; POLYMERIZATION; REALIZATION; SPECTRA; BEADS AB A mercapto derivative of diacetylene was used as the hydrophilic ligand to prepare Janus nanoparticles by using hydrophobic hexanethiolate protected gold (AuC6, diameter 5 nm) nanoparticles as the starting materials. The amphiphilic surface characters of the Janus nanoparticles were verified by contact angle measurements, as compared to those of the bulk-exchange counterparts where the two types of ligands were distributed rather homogeneously on the nonoparticle surface. Dynamic light scattering studies showed that the Janus nanoparticles formed stable superstructure in various solvent media that were significantly larger than those by the bulk-exchange counterparts. This was ascribed to the amphiphilic characters of the Janus nanoparticles that rendered the particles to behave analogously to conventional surfactant molecules. Notably, because of the close Proximity of the diacetylene moieties on the Janus nanoparticle surface, exposure to UV irradiation led to effective covalent cross-linking between the diacetylene moieties of neighboring ligands, as manifested UV-vis and flourescence measurements where the emission characteristics of dimers and trimers of diacetylene were rather well-defined, in addition to the monomeric emission. In contrast, for bulk exchange nanoparticles, no trimer emission could be identified, and the intensity of dimer emission was markedly lower (though the intensity increased with increasing diacetylene coverage on the particle surface) under the otherwise identical experimental conditions. This is largely because the diacetylene ligands were distributed on the entire particle surface, and it was difficult to find a large number of ligands situated closely so that the strigent topochemical principles for the polymerization of diacetylene derivatives could be met. Importantly, the cross-linked Janus nanoparticles were found to exhibit marked enhancement of the structural integrity, which was attributable to the impeded surface diffusion of the thiol ligands on the nanoparticle surface, as manifested in fluorescence measurements of aged nanoparticles. C1 [Song, Yang; Chen, Shaowei] Univ Calif Santa Cruz, Dept Chem & Biochem, Santa Cruz, CA 95064 USA. [Klivansky, Liana M.; Liu, Yi] Univ Calif Berkeley, Lawrence Berkeley Lab, Mol Foundry, Berkeley, CA 94720 USA. RP Chen, SW (reprint author), Univ Calif Santa Cruz, Dept Chem & Biochem, 1156 High St, Santa Cruz, CA 95064 USA. EM shaowei@ucsc.edu RI Liu, yi/A-3384-2008; Song, Yang/E-3811-2013; Chen, Shaowei/B-5171-2013 OI Liu, yi/0000-0002-3954-6102; Song, Yang/0000-0002-0760-8591; Chen, Shaowei/0000-0002-3668-8551 FU National Science Foundation [DMR-0804049]; ACS-Petroleum Research Fund [49137-ND10]; Office of Science, Office of Basic Energy Sciences, U.S. Department of Energy [DE-AC02-05 CH11231] FX This work was supported by the National Science Foundation (DMR-0804049) and the ACS-Petroleum Research Fund (49137-ND10). The synthesis of the DAT ligand was performed as a User Project at the Molecular Foundry, Lawrence Berkeley National Laboratory, which was supported by the Office of Science, Office of Basic Energy Sciences, U.S. Department of Energy, under contract DE-AC02-05 CH11231. NR 31 TC 16 Z9 16 U1 2 U2 44 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0743-7463 J9 LANGMUIR JI Langmuir PD DEC 6 PY 2011 VL 27 IS 23 BP 14581 EP 14588 DI 10.1021/la2032626 PG 8 WC Chemistry, Multidisciplinary; Chemistry, Physical; Materials Science, Multidisciplinary SC Chemistry; Materials Science GA 853LJ UT WOS:000297427500076 PM 22004354 ER PT J AU Fox, PJ Liu, J Tucker-Smith, D Weiner, N AF Fox, Patrick J. Liu, Jia Tucker-Smith, David Weiner, Neal TI An effective Z ' SO PHYSICAL REVIEW D LA English DT Article ID DARK-MATTER; CONSTRAINTS; TEVATRON; MODELS; FERMIONS; PHYSICS; BOSONS; MASS AB We describe a method to couple Z' gauge bosons to the standard model (SM), without charging the SM fields under the U(1)', but instead through effective higher-dimension operators. This method allows complete control over the tree-level couplings of the Z' and does not require altering the structure of any of the SM couplings, nor does it contain anomalies or require introduction of fields in nonstandard SM representations. Moreover, such interactions arise from simple renormalizable extensions of the SM-the addition of vectorlike matter that mixes with SM fermions when the U(1)' is broken. We apply effective Z' models as explanations of various recent anomalies: the D0 same-sign dimuon asymmetry, the CDF W + di-jet excess and the CDF top forward-backward asymmetry. In the case of the W + di-jet excess we also discuss several complementary analyses that may shed light on the nature of the discrepancy. We consider the possibility of non-Abelian groups, and discuss implications for the phenomenology of dark matter as well. C1 [Fox, Patrick J.] Fermilab Natl Accelerator Lab, Dept Theoret Phys, Batavia, IL 60510 USA. [Liu, Jia; Tucker-Smith, David; Weiner, Neal] NYU, Dept Phys, Ctr Cosmol & Particle Phys, New York, NY 10003 USA. [Tucker-Smith, David] Williams Coll, Dept Phys, Williamstown, MA 01267 USA. [Tucker-Smith, David; Weiner, Neal] Inst Adv Study, Sch Nat Sci, Princeton, NJ 08540 USA. RP Fox, PJ (reprint author), Fermilab Natl Accelerator Lab, Dept Theoret Phys, POB 500, Batavia, IL 60510 USA. RI LIU, JIA/O-7813-2016 OI LIU, JIA/0000-0001-7386-0253 FU NSF [PHY-0449818, PHY-0856522]; Ambrose Monell Foundation; United States Department of Energy [DE-AC02-07CH11359] FX The authors thank Wolfgang Altmannshofer, Kyle Cranmer, Bogdan Dobrescu, Roni Harnik, Graham Kribs, and Adam Martin for many helpful discussions. N. W. is supported by NSF Grant No. PHY-0449818, as well as by the Ambrose Monell Foundation. D. T. S. is is supported by NSF Grant No. PHY-0856522. The authors thank Nima Arkani-Hamed for extensive discussions, and for reminding them that if you have not understood it in the effective theory, you have not understood it. The authors thank the IAS for kind hospitality while parts of this work were undertaken. Fermilab is operated by Fermi Research Alliance, LLC, under Contract No. DE-AC02-07CH11359 with the United States Department of Energy. NR 74 TC 45 Z9 45 U1 0 U2 1 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1550-7998 J9 PHYS REV D JI Phys. Rev. D PD DEC 6 PY 2011 VL 84 IS 11 AR 115006 DI 10.1103/PhysRevD.84.115006 PG 19 WC Astronomy & Astrophysics; Physics, Particles & Fields SC Astronomy & Astrophysics; Physics GA 858BA UT WOS:000297769700004 ER PT J AU Hu, XH Norris, AL Baudry, J Serpersu, EH AF Hu, Xiaohu Norris, Adrianne L. Baudry, Jerome Serpersu, Engin H. TI Coenzyme A Binding to the Aminoglycoside Acetyltransferase (3)-IIIb Increases Conformational Sampling of Antibiotic Binding Site SO BIOCHEMISTRY LA English DT Article ID MOLECULAR-DYNAMICS; SENSITIVITY; PROTEIN AB NMR spectroscopy experiments and molecular dynamics simulations were performed to describe the dynamic properties of the aminoglycoside acetyltransferase (3)-IIIb (AAC) in its apo and coenzyme A (CoASH) bound forms. The (15)N-(1)H HSQC spectra indicate a partial structural change and coupling of the CoASH binding site with another region in the protein upon the CoASH titration into the apo enzyme. Molecular dynamics simulations indicate a significant structural and dynamic variation of the long loop in the antibiotic binding domain in the form of a relatively slow (250 ns), concerted opening motion in the CoASH-enzyme complex and that binding of the CoASH increases the structural flexibility of the loop, leading to an interchange between several similar equally populated conformations. C1 [Hu, Xiaohu; Baudry, Jerome] Oak Ridge Natl Lab, UT ORNL Ctr Mol Biophys, Oak Ridge, TN 37830 USA. [Hu, Xiaohu] Univ Tennessee, Grad Sch Genome Sci & Technol, Oak Ridge, TN 37830 USA. [Norris, Adrianne L.; Baudry, Jerome; Serpersu, Engin H.] Univ Tennessee, Dept Biochem & Cellular & Mol Biol, Knoxville, TN 37996 USA. RP Baudry, J (reprint author), Oak Ridge Natl Lab, UT ORNL Ctr Mol Biophys, Oak Ridge, TN 37830 USA. EM jbaudry@utk.edu; serpersu@utk.edu OI Hu, Xiaohu/0000-0002-4720-7848 FU National Science Foundation [MCB-0842743]; University of Tennessee, Knoxville, TN; U.S. Department of Energy EPSCoR [DE-FG02-08ER46528] FX This work is supported by a grant from the National Science Foundation (MCB-0842743 to EHS). X.H. is supported by the Genome Science and Technology graduate program of the University of Tennessee, Knoxville, TN. A.L.N. is partly supported by the U.S. Department of Energy EPSCoR Implementation award (DE-FG02-08ER46528). J.B. is supported by the University of Tennessee, Knoxville, TN. NR 26 TC 7 Z9 7 U1 3 U2 13 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0006-2960 J9 BIOCHEMISTRY-US JI Biochemistry PD DEC 6 PY 2011 VL 50 IS 48 BP 10559 EP 10565 DI 10.1021/bi201008f PG 7 WC Biochemistry & Molecular Biology SC Biochemistry & Molecular Biology GA 852TS UT WOS:000297381000016 PM 22026726 ER PT J AU Saye, RI Sethian, JA AF Saye, Robert I. Sethian, James A. TI The Voronoi Implicit Interface Method for computing multiphase physics SO PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA LA English DT Article DE multiple interface dynamics; level set methods; foams; minimal surfaces ID LEVEL SET METHOD; ALGORITHMS; FRONTS; MOTION; CURVATURE; JUNCTIONS AB We introduce a numerical framework, the Voronoi Implicit Interface Method for tracking multiple interacting and evolving regions (phases) whose motion is determined by complex physics (fluids, mechanics, elasticity, etc.), intricate jump conditions, internal constraints, and boundary conditions. The method works in two and three dimensions, handles tens of thousands of interfaces and separate phases, and easily and automatically handles multiple junctions, triple points, and quadruple points in two dimensions, as well as triple lines, etc., in higher dimensions. Topological changes occur naturally, with no surgery required. The method is first-order accurate at junction points/lines, and of arbitrarily high-order accuracy away from such degeneracies. The method uses a single function to describe all phases simultaneously, represented on a fixed Eulerian mesh. We test the method's accuracy through convergence tests, and demonstrate its applications to geometric flows, accurate prediction of von Neumann's law for multiphase curvature flow, and robustness under complex fluid flow with surface tension and large shearing forces. C1 [Saye, Robert I.; Sethian, James A.] Univ Calif Berkeley, Dept Math, Berkeley, CA 94720 USA. [Saye, Robert I.; Sethian, James A.] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA. RP Sethian, JA (reprint author), Univ Calif Berkeley, Dept Math, Berkeley, CA 94720 USA. EM sethian@math.berkeley.edu FU Office of Energy Research, US Department of Energy [DE-AC02-05CH11231]; Division of Mathematical Sciences of the National Science Foundation; National Cancer Institute [U54CA143833]; Miller Foundation at University of California, Berkeley; Einstein Foundation, Berlin; American Australian Association FX This research was supported in part by the Applied Mathematical Sciences subprogram of the Office of Energy Research, US Department of Energy, under contract number DE-AC02-05CH11231, by the Division of Mathematical Sciences of the National Science Foundation, and by National Cancer Institute U54CA143833. J.A.S. was also supported by the Miller Foundation at University of California, Berkeley, and as an Einstein Visiting Fellow of the Einstein Foundation, Berlin. R.I.S. was also supported by an American Australian Association Sir Keith Murdoch Fellowship. NR 20 TC 28 Z9 28 U1 3 U2 17 PU NATL ACAD SCIENCES PI WASHINGTON PA 2101 CONSTITUTION AVE NW, WASHINGTON, DC 20418 USA SN 0027-8424 J9 P NATL ACAD SCI USA JI Proc. Natl. Acad. Sci. U. S. A. PD DEC 6 PY 2011 VL 108 IS 49 BP 19498 EP 19503 DI 10.1073/pnas.1111557108 PG 6 WC Multidisciplinary Sciences SC Science & Technology - Other Topics GA 856ZQ UT WOS:000297683800021 PM 22106269 ER PT J AU Bettencourt, LMA Kaur, J AF Bettencourt, Luis M. A. Kaur, Jasleen TI Evolution and structure of sustainability science SO PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA LA English DT Article DE science of science; population dynamics; geography; topological transition; networks ID MATHEMATICAL APPROACH; IDEAS; SPREAD; MAPS AB The concepts of sustainable development have experienced extraordinary success since their advent in the 1980s. They are now an integral part of the agenda of governments and corporations, and their goals have become central to the mission of research laboratories and universities worldwide. However, it remains unclear how far the field has progressed as a scientific discipline, especially given its ambitious agenda of integrating theory, applied science, and policy, making it relevant for development globally and generating a new interdisciplinary synthesis across fields. To address these questions, we assembled a corpus of scholarly publications in the field and analyzed its temporal evolution, geographic distribution, disciplinary composition, and collaboration structure. We show that sustainability science has been growing explosively since the late 1980s when foundational publications in the field increased its pull on new authors and intensified their interactions. The field has an unusual geographic footprint combining contributions and connecting through collaboration cities and nations at very different levels of development. Its decomposition into traditional disciplines reveals its emphasis on the management of human, social, and ecological systems seen primarily from an engineering and policy perspective. Finally, we show that the integration of these perspectives has created a new field only in recent years as judged by the emergence of a giant component of scientific collaboration. These developments demonstrate the existence of a growing scientific field of sustainability science as an unusual, inclusive and ubiquitous scientific practice and bode well for its continued impact and longevity. C1 [Bettencourt, Luis M. A.] Santa Fe Inst, Santa Fe, NM 87501 USA. [Bettencourt, Luis M. A.] Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA. [Kaur, Jasleen] Indiana Univ, Sch Informat & Comp, Ctr Complex Networks & Syst Res, Bloomington, IN 47406 USA. RP Bettencourt, LMA (reprint author), Santa Fe Inst, 1399 Hyde Pk Rd, Santa Fe, NM 87501 USA. EM bettencourt@santafe.edu OI Kaur, Jasleen/0000-0002-1243-1452 FU National Science Foundation [SGER0742161, SBE-0965259] FX We thank Katy Borner and David I. Kaiser for discussions and the Research Library at Los Alamos National Laboratory for help with retrieving collections. This work was supported by the National Science Foundation under Grants SGER0742161 and SBE-0965259 (to L.B.). NR 31 TC 69 Z9 79 U1 10 U2 98 PU NATL ACAD SCIENCES PI WASHINGTON PA 2101 CONSTITUTION AVE NW, WASHINGTON, DC 20418 USA SN 0027-8424 J9 P NATL ACAD SCI USA JI Proc. Natl. Acad. Sci. U. S. A. PD DEC 6 PY 2011 VL 108 IS 49 BP 19540 EP 19545 DI 10.1073/pnas.1102712108 PG 6 WC Multidisciplinary Sciences SC Science & Technology - Other Topics GA 856ZQ UT WOS:000297683800029 PM 22114186 ER PT J AU Chowdhury, DR Singh, R O'Hara, JF Chen, HT Taylor, AJ Azad, AK AF Chowdhury, Dibakar Roy Singh, Ranjan O'Hara, John F. Chen, Hou-Tong Taylor, Antoinette J. Azad, Abul K. TI Dynamically reconfigurable terahertz metamaterial through photo-doped semiconductor SO APPLIED PHYSICS LETTERS LA English DT Article AB We demonstrate reconfigurable terahertz metamaterial (MM) in which constituent resonators can be switched from split-ring resonators (SRRs) to closed-ring resonators via optical excitation of silicon islands strategically placed in the split gap. Both the fundamental and the third-order resonance modes experience monotonic damping due to increasing conductive losses in the photo-doped silicon region. More importantly, increasing the optical fluence (>200 mu J/cm(2)) results in the excitation of the second-order resonance mode, which is otherwise forbidden in a split-ring resonator for the incidence polarization in our experiments. Such dynamical control of metamaterial resonances could be implemented in active terahertz devices to achieve additional functionalities. (C) 2011 American Institute of Physics. [doi:10.1063/1.3667197] C1 [Chowdhury, Dibakar Roy; Singh, Ranjan; O'Hara, John F.; Chen, Hou-Tong; Taylor, Antoinette J.; Azad, Abul K.] Los Alamos Natl Lab, Ctr Integrated Nanotechnol, Mat Phys & Applicat Div, Los Alamos, NM 87545 USA. [O'Hara, John F.] Oklahoma State Univ, Sch Elect & Comp Engn, Stillwater, OK 74078 USA. RP Chowdhury, DR (reprint author), Los Alamos Natl Lab, Ctr Integrated Nanotechnol, Mat Phys & Applicat Div, POB 1663, Los Alamos, NM 87545 USA. EM dibakar@lanl.gov RI Singh, Ranjan/B-4091-2010; Chen, Hou-Tong/C-6860-2009; OI Singh, Ranjan/0000-0001-8068-7428; Chen, Hou-Tong/0000-0003-2014-7571; Azad, Abul/0000-0002-7784-7432 FU Los Alamos National Laboratory; National Nuclear Security Administration of the US Department of Energy [DE-AC52-06NA25396] FX We acknowledge support from the Los Alamos National Laboratory LDRD Program. This work was performed, in part, at the Center for Integrated Nanotechnologies, a US Department of Energy, Office of Basic Energy Sciences Nanoscale Science Research Centre operated jointly by Los Alamos and Sandia National Laboratories. Los Alamos National Laboratory, an affirmative action/equal opportunity employer, is operated by Los Alamos National Security, LLC, for the National Nuclear Security Administration of the US Department of Energy under Contract No. DE-AC52-06NA25396. NR 20 TC 36 Z9 38 U1 3 U2 33 PU AMER INST PHYSICS PI MELVILLE PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1, MELVILLE, NY 11747-4501 USA SN 0003-6951 J9 APPL PHYS LETT JI Appl. Phys. Lett. PD DEC 5 PY 2011 VL 99 IS 23 AR 231101 DI 10.1063/1.3667197 PG 3 WC Physics, Applied SC Physics GA 861FZ UT WOS:000298006100001 ER PT J AU Grillot, F Naderi, NA Wright, JB Raghunathan, R Crowley, MT Lester, LF AF Grillot, F. Naderi, N. A. Wright, J. B. Raghunathan, R. Crowley, M. T. Lester, L. F. TI A dual-mode quantum dot laser operating in the excited state SO APPLIED PHYSICS LETTERS LA English DT Article ID TERAHERTZ TECHNOLOGY; GENERATION; SPECTROSCOPY; RADIATION AB A dual-mode laser operating in the excited states (ESs) of a quantum dot is realized by combining asymmetric pumping and external optical feedback stabilization. In generating two single-mode emission peaks, a mode separation ranging from 1.3-THz to 3.6-THz is demonstrated over temperature. This effect is attributed to the unique carrier dynamics of the quantum-dot gain medium via the excited state inhomogeneous linewidth coupled with a proper external control. These results are particularly important towards the development of future THz optoelectronic sources with compact size, low fabrication cost, and high performance. (C) 2011 American Institute of Physics. [doi:10.1063/1.3667193] C1 [Grillot, F.] Univ Europeenne Bretagne, INSA, CNRS, Lab FOTON, F-35708 Rennes 7, France. [Grillot, F.] Telecom Paristech, Inst TELECOM, CNRS LTCI, F-75634 Paris, France. [Naderi, N. A.; Raghunathan, R.; Crowley, M. T.; Lester, L. F.] Univ New Mexico, Ctr High Technol Mat, Albuquerque, NM 87106 USA. [Wright, J. B.] Sandia Natl Labs, Albuquerque, NM 87185 USA. RP Grillot, F (reprint author), Univ Europeenne Bretagne, INSA, CNRS, Lab FOTON, 20 Ave Buttes Coesmes, F-35708 Rennes 7, France. EM frederic.grillot@insa-rennes.fr RI Wright, Jeremy/G-7149-2011; Grillot, Frederic/N-5613-2014 OI Wright, Jeremy/0000-0001-6861-930X; FU U.S. Department of Energy, Office of Basic Energy Sciences user facility at Los Alamos National Laboratory [DE-AC52-06NA25396]; Sandia National Laboratories [DE-AC04-94AL85000]; Air Force Office of Scientific Research [FA9550-10-1-0276] FX This work was performed, in part, at the Center for Integrated Nanotechnologies, a U.S. Department of Energy, Office of Basic Energy Sciences user facility at Los Alamos National Laboratory (Contract No. DE-AC52-06NA25396) and Sandia National Laboratories (Contract No. DE-AC04-94AL85000). This work was supported by the Air Force Office of Scientific Research under Grant No. FA9550-10-1-0276. NR 16 TC 15 Z9 15 U1 0 U2 18 PU AMER INST PHYSICS PI MELVILLE PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1, MELVILLE, NY 11747-4501 USA SN 0003-6951 J9 APPL PHYS LETT JI Appl. Phys. Lett. PD DEC 5 PY 2011 VL 99 IS 23 AR 231110 DI 10.1063/1.3667193 PG 3 WC Physics, Applied SC Physics GA 861FZ UT WOS:000298006100010 ER PT J AU Hruszkewycz, SO Folkman, CM Highland, MJ Holt, MV Baek, SH Streiffer, SK Baldo, P Eom, CB Fuoss, PH AF Hruszkewycz, S. O. Folkman, C. M. Highland, M. J. Holt, M. V. Baek, S. H. Streiffer, S. K. Baldo, P. Eom, C. B. Fuoss, P. H. TI X-ray nanodiffraction of tilted domains in a poled epitaxial BiFeO3 thin film SO APPLIED PHYSICS LETTERS LA English DT Article ID RHOMBOHEDRAL FERROELECTRIC-FILMS; DEVICES AB We present measurements of crystallographic domain tilts in a (001) BiFeO3 thin film using focused beam x-ray nanodiffraction. Films were ferroelectrically pre-poled with an electric field orthogonal and parallel to as-grown tilt domain stripes. The tilt domains, associated with higher energy (010) vertical twin walls, displayed different nanostructural responses based on the poling orientation. Specifically, an electric field applied perpendicular to the as-grown domain stripe allowed the domain tilts and associated vertical twin walls to persist. The result demonstrates that thin film ferroelectric devices can be designed to maintain unexpected domain morphologies in working poled environments. (C) 2011 American Institute of Physics. [doi:10.1063/1.3665627] C1 [Hruszkewycz, S. O.; Folkman, C. M.; Highland, M. J.; Baldo, P.; Fuoss, P. H.] Argonne Natl Lab, Div Mat Sci, Argonne, IL 60439 USA. [Folkman, C. M.; Baek, S. H.; Eom, C. B.] Univ Wisconsin, Dept Mat Sci & Engn, Madison, WI 53706 USA. [Holt, M. V.; Streiffer, S. K.] Argonne Natl Lab, Ctr Nanoscale Mat, Argonne, IL 60439 USA. RP Hruszkewycz, SO (reprint author), Argonne Natl Lab, Div Mat Sci, 9700 S Cass Ave, Argonne, IL 60439 USA. EM shrus@anl.gov RI Baek, Seung-Hyub/B-9189-2013; Eom, Chang-Beom/I-5567-2014 FU U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences [DE-AC02-06CH11357]; Army Research Office [W911NF-10-1-0362]; National Science Foundation [ECCS-0708759] FX This work, including the use of the Center for Nanoscale Materials and the Advanced Photon Source, was supported by the U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences, under Contract No. DE-AC02-06CH11357. The work at UW-Madison was supported by Army Research Office under Grant No. W911NF-10-1-0362 and the National Science Foundation under Grant No. ECCS-0708759. NR 16 TC 11 Z9 11 U1 5 U2 36 PU AMER INST PHYSICS PI MELVILLE PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1, MELVILLE, NY 11747-4501 USA SN 0003-6951 J9 APPL PHYS LETT JI Appl. Phys. Lett. PD DEC 5 PY 2011 VL 99 IS 23 AR 232903 DI 10.1063/1.3665627 PG 3 WC Physics, Applied SC Physics GA 861FZ UT WOS:000298006100055 ER PT J AU Matthews, MJ Petitpas, G Aceves, SM AF Matthews, Manyalibo J. Petitpas, Guillaume Aceves, Salvador M. TI A study of spin isomer conversion kinetics in supercritical fluid hydrogen for cryogenic fuel storage technologies (vol 99, 081906, 2011) SO APPLIED PHYSICS LETTERS LA English DT Correction C1 [Matthews, Manyalibo J.; Petitpas, Guillaume; Aceves, Salvador M.] Lawrence Livermore Natl Lab, Livermore, CA 94551 USA. RP Matthews, MJ (reprint author), Lawrence Livermore Natl Lab, Livermore, CA 94551 USA. EM matthews11@llnl.gov NR 1 TC 0 Z9 0 U1 0 U2 4 PU AMER INST PHYSICS PI MELVILLE PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1, MELVILLE, NY 11747-4501 USA SN 0003-6951 J9 APPL PHYS LETT JI Appl. Phys. Lett. PD DEC 5 PY 2011 VL 99 IS 23 AR 239902 DI 10.1063/1.3665909 PG 1 WC Physics, Applied SC Physics GA 861FZ UT WOS:000298006100108 ER PT J AU Ouyang, T Chen, YP Xie, YE Stocks, GM Zhong, JX AF Ouyang, Tao Chen, Yuanping Xie, Yuee Stocks, G. M. Zhong, Jianxin TI Thermal conductance modulator based on folded graphene nanoribbons SO APPLIED PHYSICS LETTERS LA English DT Article ID LAYER GRAPHENE; TRANSPORT; CONDUCTIVITY AB Based on folded graphene nanoribbons, we report a thermal conductance modulator which performs analogous operations as the rheostat in electronic circuits. This fundamental device can controllably and reversibly modulate the thermal conductance by varying the geometric structures and its tuning range can be up to 40% of the conductance of unfolded nanoribbons (similar to 1 nm wide and 7-15 nm long). Under this modulation, the conductance shows a linearly dependence on the folded angle, while undergoes a transition with the variation of the inter-layer distance. This primary thermal device may have great potential applications for phononic circuits and nanoscale thermal management. (C) 2011 American Institute of Physics. [doi:10.1063/1.3665184] C1 [Ouyang, Tao; Chen, Yuanping; Xie, Yuee; Zhong, Jianxin] Xiangtan Univ, Lab Quantum Engn & Micronano Energy Technol, Xiangtan 411105, Hunan, Peoples R China. [Stocks, G. M.; Zhong, Jianxin] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA. RP Ouyang, T (reprint author), Xiangtan Univ, Lab Quantum Engn & Micronano Energy Technol, Xiangtan 411105, Hunan, Peoples R China. EM chenyp@xtu.edu.cn; jxzhong@xtu.edu.cn RI Stocks, George Malcollm/Q-1251-2016 OI Stocks, George Malcollm/0000-0002-9013-260X FU Ministry of Education of China [708068]; National Natural Science Foundation of China [11074211, 51172191, 51006086, 11074213, 51176161]; Center for Defect Physics in Structural Materials, an Energy Frontier Research Center; U.S. Department of Energy (DOE), Office of Science, Office of Basic Energy Sciences FX This work is supported by the Cultivation Fund of the Key Scientific and Technical Innovation Project, Ministry of Education of China (Grant No. 708068), the National Natural Science Foundation of China (Grant Nos. 11074211, 51172191, 51006086, 11074213, 51176161), and partly supported by Center for Defect Physics in Structural Materials, an Energy Frontier Research Center funded by the U.S. Department of Energy (DOE), Office of Science, Office of Basic Energy Sciences. NR 35 TC 26 Z9 26 U1 1 U2 27 PU AMER INST PHYSICS PI MELVILLE PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1, MELVILLE, NY 11747-4501 USA SN 0003-6951 J9 APPL PHYS LETT JI Appl. Phys. Lett. PD DEC 5 PY 2011 VL 99 IS 23 AR 233101 DI 10.1063/1.3665184 PG 4 WC Physics, Applied SC Physics GA 861FZ UT WOS:000298006100063 ER PT J AU Saldana, C King, AH Stach, EA Compton, WD Chandrasekar, S AF Saldana, C. King, A. H. Stach, E. A. Compton, W. D. Chandrasekar, S. TI Vacancies, twins, and the thermal stability of ultrafine-grained copper SO APPLIED PHYSICS LETTERS LA English DT Article ID STORED ENERGY; RECRYSTALLIZATION TEMPERATURE; PLASTIC-DEFORMATION; NANOSCALE; BOUNDARIES; METAL; CU AB Ultrafine-grained metals have impressive strength but lack the thermal stability necessary for most applications. Nano-scale, deformation twinned copper microstructures exhibit a rare combination of strength and stability. While storing less energy in their interfaces than other nanostructured metals, they also exhibit lower vacancy supersaturations, reducing the driving force and mobility for microstructure evolution. From a thermal stability perspective, the nano-twinned microstructure may thus be preferred over the more commonly produced nano-scale equiaxed microstructures. (C) 2011 American Institute of Physics. [doi: 10.1063/1.3669404] C1 [King, A. H.] Ames Lab, Ames, IA 50011 USA. [Saldana, C.] Penn State Univ, Harold & Inge Marcus Dept Ind & Mfg Engn, University Pk, PA 16802 USA. [Stach, E. A.] Brookhaven Natl Lab, Ctr Funct Nanomat, Upton, NY 11973 USA. [Compton, W. D.; Chandrasekar, S.] Purdue Univ, Sch Ind Engn, Ctr Mat Proc & Tribol, W Lafayette, IN 47907 USA. RP King, AH (reprint author), Ames Lab, Ames, IA 50011 USA. EM alexking@ameslab.gov RI King, Alexander/B-3148-2012; Stach, Eric/D-8545-2011; King, Alexander/P-6497-2015 OI King, Alexander/0000-0001-9677-3769; Stach, Eric/0000-0002-3366-2153; King, Alexander/0000-0001-7101-6585 FU NSF CMMI [1130852, 0928337/0800481]; US-DOE [DE-AC02-98CH10886, DE-AC02-07CH11358] FX This work was supported by NSF CMMI grants 1130852 (Penn State) and 0928337/0800481 (Purdue), US-DOE contracts DE-AC02-98CH10886 (Brookhaven National Laboratory), and DE-AC02-07CH11358 (Ames Laboratory). NR 20 TC 10 Z9 10 U1 1 U2 33 PU AMER INST PHYSICS PI MELVILLE PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1, MELVILLE, NY 11747-4501 USA SN 0003-6951 J9 APPL PHYS LETT JI Appl. Phys. Lett. PD DEC 5 PY 2011 VL 99 IS 23 AR 231911 DI 10.1063/1.3669404 PG 3 WC Physics, Applied SC Physics GA 861FZ UT WOS:000298006100028 ER PT J AU Yim, JWL Grigoropoulos, CP Wu, JQ AF Yim, Joanne W. L. Grigoropoulos, Costas P. Wu, Junqiao TI Mismatched alloy nanowires for electronic structure tuning SO APPLIED PHYSICS LETTERS LA English DT Article ID RAMAN-SCATTERING; GROWTH; BAND; PHOTOLUMINESCENCE; ZNSETE; ARRAYS AB Electronic structure engineering is essential for producing materials suited for efficient solid-state devices. Mismatched semiconductors offer wide tunability of electronic structure with only a small change in composition. Here, we report a combined compound-elemental source vapor transport method for synthesis of mismatched alloy nanowires (NWs) of ZnSe1-xTex across the composition range. The alloy composition can be continuously tuned by varying the growth temperature from ZnSe (x = 0) at higher temperature to ZnTe (x = 1) at lower temperature. The nanowires have structure and bandgaps consistent with their compositions, with lattice parameters varying with Vegard's law and emissions following predicted extreme bandgap bowing. (C) 2011 American Institute of Physics. [doi:10.1063/1.3666223] C1 [Yim, Joanne W. L.; Wu, Junqiao] Univ Calif Berkeley, Dept Mat Sci & Engn, Berkeley, CA 94720 USA. [Yim, Joanne W. L.; Wu, Junqiao] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Div Mat Sci, Berkeley, CA 94720 USA. [Grigoropoulos, Costas P.] Univ Calif Berkeley, Dept Mech Engn, Berkeley, CA 94720 USA. [Grigoropoulos, Costas P.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Environm Energy Technol Div, Berkeley, CA 94720 USA. RP Wu, JQ (reprint author), Univ Calif Berkeley, Dept Mat Sci & Engn, Berkeley, CA 94720 USA. EM wuj@berkeley.edu RI Wu, Junqiao/G-7840-2011 OI Wu, Junqiao/0000-0002-1498-0148 FU National Science Foundation [CMMI-1000176] FX This work was supported by the National Science Foundation under Grant No. CMMI-1000176. J.Y. acknowledges support from the National Science Foundation Graduate Research Fellowship Program. The authors thank J.W. Ager III for use of optical spectroscopy equipment and Professor A. Stacy for use of the diffractometer. NR 29 TC 1 Z9 1 U1 0 U2 14 PU AMER INST PHYSICS PI MELVILLE PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1, MELVILLE, NY 11747-4501 USA SN 0003-6951 J9 APPL PHYS LETT JI Appl. Phys. Lett. PD DEC 5 PY 2011 VL 99 IS 23 AR 233111 DI 10.1063/1.3666223 PG 3 WC Physics, Applied SC Physics GA 861FZ UT WOS:000298006100073 ER PT J AU Zhai, QT Landesman, MB Robinson, H Sundquist, WI Hill, CP AF Zhai, Qianting Landesman, Michael B. Robinson, Howard Sundquist, Wesley I. Hill, Christopher P. TI Structure of the Bro1 Domain Protein BROX and Functional Analyses of the ALIX Bro1 Domain in HIV-1 Budding SO PLOS ONE LA English DT Article ID ESCRT MACHINERY; BINDING-PROTEIN; ACTIVATED RHOB; HD-PTP; ALIX/AIP1; CHMP4; IDENTIFICATION; MORPHOGENESIS; CYTOKINESIS; RHOPHILIN-2 AB Background: Bro1 domains are elongated, banana-shaped domains that were first identified in the yeast ESCRT pathway protein, Bro1p. Humans express three Bro1 domain-containing proteins: ALIX, BROX, and HD-PTP, which function in association with the ESCRT pathway to help mediate intraluminal vesicle formation at multivesicular bodies, the abscission stage of cytokinesis, and/or enveloped virus budding. Human Bro1 domains share the ability to bind the CHMP4 subset of ESCRT-III proteins, associate with the HIV-1 NCGag protein, and stimulate the budding of viral Gag proteins. The curved Bro1 domain structure has also been proposed to mediate membrane bending. To date, crystal structures have only been available for the related Bro1 domains from the Bro1p and ALIX proteins, and structures of additional family members should therefore aid in the identification of key structural and functional elements. Methodology/Principal Findings: We report the crystal structure of the human BROX protein, which comprises a single Bro1 domain. The Bro1 domains from BROX, Bro1p and ALIX adopt similar overall structures and share two common exposed hydrophobic surfaces. Surface 1 is located on the concave face and forms the CHMP4 binding site, whereas Surface 2 is located at the narrow end of the domain. The structures differ in that only ALIX has an extended loop that projects away from the convex face to expose the hydrophobic Phe105 side chain at its tip. Functional studies demonstrated that mutations in Surface 1, Surface 2, or Phe105 all impair the ability of ALIX to stimulate HIV-1 budding. Conclusions/Significance: Our studies reveal similarities in the overall folds and hydrophobic protein interaction sites of different Bro1 domains, and show that a unique extended loop contributes to the ability of ALIX to function in HIV-1 budding. C1 [Zhai, Qianting; Landesman, Michael B.; Sundquist, Wesley I.; Hill, Christopher P.] Univ Utah, Sch Med, Dept Biochem, Salt Lake City, UT 84112 USA. [Robinson, Howard] Brookhaven Natl Lab, Dept Biol, Upton, NY 11973 USA. RP Zhai, QT (reprint author), Univ Utah, Sch Med, Dept Biochem, Salt Lake City, UT 84112 USA. EM wes@biochem.utah.edu; chris@biochem.utah.edu RI zhai, qianting/G-1301-2013 FU National Institutes of Health (NIH) [AI051174, P50 082545]; Office of Basic Energy Sciences at the United States Department of Energy; National Center for Research Resources FX This work was supported by National Institutes of Health (NIH) Grants AI051174 (to WIS) and P50 082545 (CPH). Operations of the National Synchrotron Light Source (NSLS) are supported by the Office of Basic Energy Sciences at the United States Department of Energy and by the NIH. Data collection at the NSLS was funded by the National Center for Research Resources. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript. NR 50 TC 8 Z9 8 U1 0 U2 5 PU PUBLIC LIBRARY SCIENCE PI SAN FRANCISCO PA 1160 BATTERY STREET, STE 100, SAN FRANCISCO, CA 94111 USA SN 1932-6203 J9 PLOS ONE JI PLoS One PD DEC 5 PY 2011 VL 6 IS 12 AR e27466 DI 10.1371/journal.pone.0027466 PG 8 WC Multidisciplinary Sciences SC Science & Technology - Other Topics GA 863NX UT WOS:000298172800005 PM 22162750 ER PT J AU Johnson, BE Santschi, PH Addleman, RS Douglas, M Davidson, J Fryxell, GE Schwantes, JM AF Johnson, Bryce E. Santschi, Peter H. Addleman, Raymond Shane Douglas, Matt Davidson, Joe Fryxell, Glen E. Schwantes, Jon M. TI Optimization and evaluation of mixed-bed chemisorbents for extracting fission and activation products from marine and fresh waters SO ANALYTICA CHIMICA ACTA LA English DT Article DE Chemisorbent; Radionuclides; Manganese dioxide; Cyanoferrate; Nanoporous; Self assembled monolayers ID PRECONCENTRATING MINICOLUMN SENSORS; BINARY OXIDE SUSPENSIONS; ORGANIC-MATTER; RADIONUCLIDES; CESIUM; POLYSACCHARIDES; COMPLEXATION; ADSORPTION; CHERNOBYL; SORBENTS AB Chemically selective chemisorbents are needed to monitor natural and engineered waters for anthropogenic releases of stable and radioactive contaminants. Here, a number of individual and mixtures of chemisorbents were investigated for their ability to extract select fission and activation product elements from marine and coastal waters, including Co, Zr, Ru, Ag, Te, Sb, Ba, Cs, Ce, Eu, Pa, Np, and Th. Conventional manganese oxide and cyanoferrate sorbents, including commercially available Anfezh and potassium hexacyanocobalt(II) ferrate(II) (KCFC), were tested along with novel nano-structured surfaces (known as Self Assembled Monolayers on Mesoporous Supports or SAMMS) functionalized with a variety of moieties including thiol, diphosphonic acid (DiPhos-), methyl-3,4 hydroxypyridinone (HOPO-), and cyanoferrate. Extraction efficiencies were measured as a function of salinity, organic content, temperature, flow rate and sample size for both synthetic and natural fresh and saline waters under a range of environmentally relevant conditions. The effect of flow rate on extraction efficiency, from 1 to 70 mL min(-1), provided some insight on rate limitations of mechanisms affecting sorption processes. Optimized mixtures of sorbent-ligand chemistries afforded excellent retention of all target elements, except, Ba and Sb. Mixtures of tested chemisorbents, including MnO(2)/Anfezh and MnO(2)/KCFC/Thiol (1-3 mm)-SAMMS, extracted 8 of the 11 target elements studied to better than 80% efficiency, while a mixture of MnO(2)/Anfezh/Thiol (75-150 mu m)-SAMMS mixture was able to extract 7 of the 11 target elements to better than 90%. Results generated here indicate that flow rate should be less of a consideration for experimental design if sampling from fresh water containing variable amounts of DOM, rather than collecting samples from salt water environments. Relative to the capability of any single type of chemisorbent tested, optimized mixtures of several sorbents are able to increase the number of elements that can be efficiently and simultaneously extracted from natural waters. (C) 2011 Published by Elsevier B.V. C1 [Schwantes, Jon M.] Pacific NW Natl Lab, Radiochem Anal Grp, Natl Secur Directorate, Richland, WA 99352 USA. [Johnson, Bryce E.; Santschi, Peter H.] Texas A&M Univ, Dept Marine Sci, Galveston, TX 77551 USA. RP Schwantes, JM (reprint author), Pacific NW Natl Lab, Radiochem Anal Grp, Natl Secur Directorate, 902 Battelle Blvd,POB 999,MSIN J4-65, Richland, WA 99352 USA. EM jon.schwantes@pnl.gov RI Santschi, Peter/D-5712-2012; OI Douglas, Matthew/0000-0001-9708-1780 FU National Consortium for MASINT Research; National MASINT Management Office; Texas A&M University, under DOE [DE-AC06-76RLO-1830]; IC [HM1582-08-1-0022]; NIH National Institute of Allergy and Infectious Diseases [R01-AI080502] FX This work was sponsored by the National Consortium for MASINT Research and the National MASINT Management Office, conducted by Pacific Northwest National Laboratory, with support from Texas A&M University, under DOE contract number DE-AC06-76RLO-1830. Additional support was received from an IC Postdoctoral Research Fellowship (contract # HM1582-08-1-0022) and the NIH National Institute of Allergy and Infectious Diseases (R01-AI080502). NR 32 TC 3 Z9 3 U1 1 U2 32 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 0003-2670 J9 ANAL CHIM ACTA JI Anal. Chim. Acta PD DEC 5 PY 2011 VL 708 IS 1-2 BP 52 EP 60 DI 10.1016/j.aca.2011.08.017 PG 9 WC Chemistry, Analytical SC Chemistry GA 861OP UT WOS:000298029400007 PM 22093344 ER PT J AU Mock, MT Potter, RG O'Hagan, MJ Camaioni, DM Dougherty, WG Kassel, WS DuBois, DL AF Mock, Michael T. Potter, Robert G. O'Hagan, Molly J. Camaioni, Donald M. Dougherty, William G. Kassel, W. Scott DuBois, Daniel L. TI Synthesis and Hydride Transfer Reactions of Cobalt and Nickel Hydride Complexes to BX3 Compounds SO INORGANIC CHEMISTRY LA English DT Article ID GAUSSIAN-BASIS SETS; CORRELATED MOLECULAR CALCULATIONS; AMMONIA-BORANE; DONOR ABILITIES; HYDROGEN; REGENERATION; PROTON; NI; FEH(DMPE)2(BH4); ACETONITRILE AB Hydrides of numerous transition metal complexes can be generated by the heterolytic cleavage of H-2 gas such that they offer alternatives to using main group hydrides in the regeneration of ammonia borane, a compound that has been intensely studied for hydrogen storage applications. Previously, we reported that HRh(dmpe)(2) (dmpe = 1,2-bis(dimethylphosphinoethane)) was capable of reducing a variety of BX3 compounds having a hydride affinity (HA) greater than or equal to the HA of BEt3. This study examines the reactivity of less expensive cobalt and nickel hydride complexes, HCo(dmpe)(2) and [HNi(dmpe)(2)](+), to form B-H bonds. The hydride donor abilities (Delta G(H-)degrees) of HCo(dmpe)(2) and [HNi(dmpe)(2)](+) were positioned on a previously established scale in acetonitrile that is cross-referenced with calculated HAs of BX3 compounds. The collective data guided our selection of BX3 compounds to investigate and aided our analysis of factors that determine favorability of hydride transfer. HCo(dmpe)(2) was observed to transfer H- to BX3 compounds with X = H, OC6F5, and SPh. The reaction with B(SPh)(3) is accompanied by the formation of dmpe-(BH3)(2) and dmpe-(BH2(SPh))(2) products that follow from a reduction of multiple B-SPh bonds and a loss of dmpe ligands from cobalt. Reactions between HCo(dmpe)(2) and B(SPh)(3) in the presence of triethylamine result in the formation of Et3N-BH2SPh and Et3N-BH3 with no loss of a dmpe ligand. Reactions of the cationic complex [HNi(dmpe)(2)](+) with B(SPh)(3) under analogous conditions give Et3N-BH2SPh as the final product along with the nickel-thiolate complex [Ni(dmpe)(2)(SPh)](+). The synthesis and characterization of HCo(dedpe)(2) (dedpe = Et2PCH2CH2PPh2) from H, and a base is also discussed, including the formation of an uncommon trans dihydride species, trans[(H)(2)Co(dedpe)(2)][BF4]. C1 [Mock, Michael T.; Potter, Robert G.; O'Hagan, Molly J.; Camaioni, Donald M.; DuBois, Daniel L.] Pacific NW Natl Lab, Richland, WA 99352 USA. [Dougherty, William G.; Kassel, W. Scott] Villanova Univ, Dept Chem, Villanova, PA 19085 USA. RP Mock, MT (reprint author), Pacific NW Natl Lab, POB 999, Richland, WA 99352 USA. EM michael.mock@pnnl.gov FU U.S. Department of Energy's (DOE) Office of Energy Efficiency and Renewable Energy, Center of Excellence for Chemical Hydrogen Storage; Center for Molecular Electrocatalysis, an Energy Frontier Research Center; U.S. Department of Energy, Office of Basic Energy Sciences [FWP 56073] FX This work was supported by the U.S. Department of Energy's (DOE) Office of Energy Efficiency and Renewable Energy, Center of Excellence for Chemical Hydrogen Storage. M.J.O. was supported as part of the Center for Molecular Electrocatalysis, an Energy Frontier Research Center funded by the U.S. Department of Energy, Office of Basic Energy Sciences, under FWP 56073. This research was performed in part using the Molecular Science Computing Facility in the William R. Wiley Environmental Molecular Sciences Laboratory, a U.S. Department of Energy (DOE) national scientific user facility located at the Pacific Northwest National Laboratory. The Pacific Northwest National Laboratory is operated by Battelle for DOE. The authors wish to thank Charles Campana for his assistance with the structural solution for HCo(dmpe)2. NR 58 TC 33 Z9 33 U1 1 U2 43 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0020-1669 EI 1520-510X J9 INORG CHEM JI Inorg. Chem. PD DEC 5 PY 2011 VL 50 IS 23 BP 11914 EP 11928 DI 10.1021/ic200857x PG 15 WC Chemistry, Inorganic & Nuclear SC Chemistry GA 851MI UT WOS:000297274600013 PM 22040085 ER PT J AU DeRose, CT Trotter, DC Zortman, WA Starbuck, AL Fisher, M Watts, MR Davids, PS AF DeRose, Christopher T. Trotter, Douglas C. Zortman, William A. Starbuck, Andrew L. Fisher, Moz Watts, Michael R. Davids, Paul S. TI Ultra compact 45 GHz CMOS compatible Germanium waveguide photodiode with low dark current SO OPTICS EXPRESS LA English DT Article ID I-N PHOTODETECTORS; HIGH-PERFORMANCE; SI PHOTODETECTORS; GE; SILICON; BANDWIDTH; RECEIVER; MODEL AB We present a compact 1.3 x 4 mu m(2) Germanium waveguide photodiode, integrated in a CMOS compatible silicon photonics process flow. This photodiode has a best-in-class 3 dB cutoff frequency of 45 GHz, responsivity of 0.8 A/W and dark current of 3 nA. The low intrinsic capacitance of this device may enable the elimination of transimpedance amplifiers in future optical data communication receivers, creating ultra low power consumption optical communications. (C) 2011 Optical Society of America C1 [DeRose, Christopher T.; Trotter, Douglas C.; Zortman, William A.; Starbuck, Andrew L.; Davids, Paul S.] Sandia Natl Lab Appl Microphoton Syst, Albuquerque, NM 87185 USA. [Fisher, Moz] IQE Silicon Cpds St Mellons, Cardiff CF3 0LW, S Glam, Wales. [Watts, Michael R.] MIT, Elect Res Lab, Cambridge, MA 02139 USA. RP DeRose, CT (reprint author), Sandia Natl Lab Appl Microphoton Syst, POB 5800, Albuquerque, NM 87185 USA. EM cderose@sandia.gov FU Sandias Laboratory; Department of Defense; United States Department of Energy's National Nuclear Security Administration [DE-AC04-94AL85000] FX Funding for this work was provided by Sandias Laboratory Directed Research and Development (LDRD) program and the Department of Defense. Sandia is a multiprogram laboratory operated by Sandia Corporation, a Lockheed Martin Company, for the United States Department of Energy's National Nuclear Security Administration under contract DE-AC04-94AL85000. NR 29 TC 128 Z9 129 U1 7 U2 52 PU OPTICAL SOC AMER PI WASHINGTON PA 2010 MASSACHUSETTS AVE NW, WASHINGTON, DC 20036 USA SN 1094-4087 J9 OPT EXPRESS JI Opt. Express PD DEC 5 PY 2011 VL 19 IS 25 BP 24897 EP 24904 DI 10.1364/OE.19.024897 PG 8 WC Optics SC Optics GA 857FN UT WOS:000297702400007 PM 22273883 ER PT J AU Li, QM Westlake, KR Crawford, MH Lee, SR Koleske, DD Figiel, JJ Cross, KC Fathololoumi, S Mi, ZT Wang, GT AF Li, Qiming Westlake, Karl R. Crawford, Mary H. Lee, Stephen R. Koleske, Daniel D. Figiel, Jeffery J. Cross, Karen C. Fathololoumi, Saeed Mi, Zetian Wang, George T. TI Optical performance of top-down fabricated InGaN/GaN nanorod light emitting diode arrays SO OPTICS EXPRESS LA English DT Article ID GAN NANOWIRES; GROWTH AB Vertically aligned InGaN/GaN nanorod light emitting diode (LED) arrays were created from planar LED structures using a new top-down fabrication technique consisting of a plasma etch followed by an anisotropic wet etch. The wet etch results in straight, smooth, well-faceted nanorods with controllable diameters and removes the plasma etch damage. 94% of the nanorod LEDs are dislocation-free and a reduced quantum confined Stark effect is observed due to reduced piezoelectric fields. Despite these advantages, the IQE of the nanorod LEDs measured by photoluminescence is comparable to the planar LED, perhaps due to inefficient thermal transport and enhanced nonradiative surface recombination. (C) 2011 Optical Society of America C1 [Li, Qiming; Westlake, Karl R.; Crawford, Mary H.; Lee, Stephen R.; Koleske, Daniel D.; Figiel, Jeffery J.; Cross, Karen C.; Wang, George T.] Sandia Natl Labs, Phys Chem & Nano Sci Ctr, Albuquerque, NM 87185 USA. [Fathololoumi, Saeed; Mi, Zetian] McGill Univ, Dept Elect & Comp Engn, Montreal, PQ H3A 2A7, Canada. RP Li, QM (reprint author), Sandia Natl Labs, Phys Chem & Nano Sci Ctr, POB 5800, Albuquerque, NM 87185 USA. EM gtwang@sandia.gov RI Wang, George/C-9401-2009 OI Wang, George/0000-0001-9007-0173 FU Sandia's Laboratory Directed Research and Development program; Natural Sciences and Engineering Research Council of Canada; Sandia's Solid-State-Lighting Science Energy Frontier Research Center; U.S. DOE Office of Basic Energy Sciences; U.S. Department of Energy's National Nuclear Security Administration [DE-AC04-94AL85000] FX D. Koleske and S. Lee acknowledge support from Sandia's Laboratory Directed Research and Development program. S. Fathololoumi and Z. Mi were funded by the Natural Sciences and Engineering Research Council of Canada. All other authors were supported by Sandia's Solid-State-Lighting Science Energy Frontier Research Center, funded by the U.S. DOE Office of Basic Energy Sciences. Sandia National Laboratories is a multi-program laboratory managed and operated by Sandia Corporation, a wholly owned subsidiary of Lockheed Martin Corporation, for the U.S. Department of Energy's National Nuclear Security Administration under contract DE-AC04-94AL85000. NR 29 TC 64 Z9 65 U1 4 U2 74 PU OPTICAL SOC AMER PI WASHINGTON PA 2010 MASSACHUSETTS AVE NW, WASHINGTON, DC 20036 USA SN 1094-4087 J9 OPT EXPRESS JI Opt. Express PD DEC 5 PY 2011 VL 19 IS 25 BP 25528 EP 25534 DI 10.1364/OE.19.025528 PG 7 WC Optics SC Optics GA 857FN UT WOS:000297702400070 PM 22273946 ER PT J AU Boutu, W Auguste, T Boyko, O Sola, I Balcou, P Binazon, L Gobert, O Merdji, H Valentin, C Constant, E Mevel, E Carre, B AF Boutu, W. Auguste, T. Boyko, O. Sola, I. Balcou, Ph. Binazon, L. Gobert, O. Merdji, H. Valentin, C. Constant, E. Mevel, E. Carre, B. TI High-order-harmonic generation in gas with a flat-top laser beam SO PHYSICAL REVIEW A LA English DT Article ID EXTREME-ULTRAVIOLET LIGHT; PHASE-MATCHED GENERATION; SOFT X-RAYS; WAVE-FRONT; PLASMA; FIELD; OPTIMIZATION; ATOMS AB We present experimental and numerical results on high-order-harmonic generation with a flat-top laser beam. We show that a simple binary tunable phase plate, made of two concentric glass plates, can produce a flat-top profile at the focus of a Gaussian infrared beam. Both experiments and numerical calculations show that there is a scaling law between the harmonic generation efficiency and the increase of the generation volume. C1 [Boutu, W.; Auguste, T.; Binazon, L.; Gobert, O.; Merdji, H.; Carre, B.] CEA Saclay, Serv Photons Atomes & Mol, FR-91191 Gif Sur Yvette, France. [Boyko, O.; Balcou, Ph.; Valentin, C.] Ecole Polytech, CNRS, UMR ENSTA 7639, Lab Opt Appl, FR-91761 Palaiseau, France. [Sola, I.; Balcou, Ph.; Constant, E.; Mevel, E.] Univ Bordeaux, CEA, CNRS UMR 5107, CELIA Ctr Lasers Intenses & Applicat, FR-33400 Talence, France. [Merdji, H.] Stanford Univ, Stanford Linear Accelerator Ctr, PULSE Inst Ultrafast Energy Sci, Menlo Pk, CA 94025 USA. RP Boutu, W (reprint author), CEA Saclay, Serv Photons Atomes & Mol, FR-91191 Gif Sur Yvette, France. EM willem.boutu@cea.fr OI Sola, Inigo/0000-0002-5456-8350 FU European Union; French ministry of research [ANR-09-BLAN-0031-01]; Triangle de la Physique through the COX FX We acknowledge financial support from the European Union (EU-FP6 XTRA and EU-FP7-ATTOFEL), from the French ministry of research through the 2009 ANR Grants I-NanoX, Femto-X-Mag, and the Attowave project ANR-09-BLAN-0031-01, and from the Triangle de la Physique through the COX grant. NR 46 TC 10 Z9 10 U1 1 U2 15 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1050-2947 J9 PHYS REV A JI Phys. Rev. A PD DEC 5 PY 2011 VL 84 IS 6 AR 063406 DI 10.1103/PhysRevA.84.063406 PG 6 WC Optics; Physics, Atomic, Molecular & Chemical SC Optics; Physics GA 857XK UT WOS:000297757900009 ER PT J AU Chi, SX Rodriguez-Rivera, JA Lynn, JW Zhang, CL Phelan, D Singh, DK Paul, R Dai, PC AF Chi, Songxue Rodriguez-Rivera, J. A. Lynn, J. W. Zhang, Chenglin Phelan, D. Singh, D. K. Paul, R. Dai, Pengcheng TI Common origin of the two types of magnetic fluctuations in iron chalcogenides SO PHYSICAL REVIEW B LA English DT Article ID RAY ACTIVATION-ANALYSIS; SUPERCONDUCTIVITY; FETE1-XSEX; NEUTRON AB We use inelastic neutron scattering to study the low-energy spin excitations in moderately doped nonsuperconducting Fe1.01Te0.72Se0.28. The spin excitations in this system contain components near (0.5,0,0) and (0.5,0.5,0) in a-b plane reciprocal lattice units using tetragonal unit cell notation (a = b = 3.772 angstrom and c = 6.061 angstrom). At low energies the scattering is centered around (0.5,0,0). With increasing energy, the spectral weight of low-energy spin excitations centered around (0.5,0,0) abruptly shifts around 3 meV to the incommensurate spin excitations centered around (0.5,0.5,0). However both types of spin fluctuations exhibit the identical temperature dependence. These results indicate that the (0.5,0,0)-type spin excitations and the incommensurate excitations around the (0.5,0.5,0) position have a common origin and both must be taken into account to understand the nature of magnetism and superconducting pairing in the iron chalcogenides. C1 [Chi, Songxue; Rodriguez-Rivera, J. A.; Lynn, J. W.; Phelan, D.; Singh, D. K.] NIST, NIST Ctr Neutron Res, Gaithersburg, MD 20899 USA. [Chi, Songxue; Rodriguez-Rivera, J. A.; Singh, D. K.] Univ Maryland, Dept Mat Sci & Engn, College Pk, MD 20742 USA. [Zhang, Chenglin; Dai, Pengcheng] Univ Tennessee, Dept Phys & Astron, Knoxville, TN 37996 USA. [Paul, R.] NIST, Mat Measurement Lab, Gaithersburg, MD 20899 USA. [Dai, Pengcheng] Chinese Acad Sci, Beijing Natl Lab Condensed Matter Phys, Inst Phys, Beijing 100190, Peoples R China. RP Chi, SX (reprint author), Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA. EM chis@ornl.gov RI Dai, Pengcheng /C-9171-2012; Rodriguez-Rivera, Jose/A-4872-2013; Chi, Songxue/A-6713-2013 OI Dai, Pengcheng /0000-0002-6088-3170; Rodriguez-Rivera, Jose/0000-0002-8633-8314; Chi, Songxue/0000-0002-3851-9153 FU US Department of Commerce; NSF [DMR-0944772]; US DOE, Basic Energy Sciences (BES) through DOE [DE-FG02-05ER46202]; Chinese Academy of Science; Ministry of Science and Technology of China [2012CB821400] FX The work at NIST is supported by the US Department of Commerce. SPINS and MACS utilized facilities supported in part by the NSF under Agreement No. DMR-0944772. The work at the University of Tennessee is supported by the US DOE, Basic Energy Sciences (BES), through DOE Grant No. DE-FG02-05ER46202. The work at the Institute of Physics is supported by the Chinese Academy of Science and by the Ministry of Science and Technology of China 973 program (2012CB821400). NR 53 TC 13 Z9 13 U1 2 U2 19 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1098-0121 J9 PHYS REV B JI Phys. Rev. B PD DEC 5 PY 2011 VL 84 IS 21 AR 214407 DI 10.1103/PhysRevB.84.214407 PG 7 WC Physics, Condensed Matter SC Physics GA 857YM UT WOS:000297761700004 ER PT J AU Haraldsen, JT Dubi, Y Curro, NJ Balatsky, AV AF Haraldsen, J. T. Dubi, Y. Curro, N. J. Balatsky, A. V. TI Hidden-order pseudogap in URu2Si2 SO PHYSICAL REVIEW B LA English DT Article ID POINT-CONTACT SPECTROSCOPY; HIGH-TEMPERATURE SUPERCONDUCTORS; FERMION SYSTEM URU2SI2; STATE; TRANSITION; MAGNETISM; LATTICE; WAVE; GAP AB Through an analysis and modeling of data from various experimental techniques, we present clear evidence for the presence of a hidden-order pseudogap in URu2Si2 in the temperature range 25-17.5 K. Considering fluctuations of the hidden-order energy gap at the transition, we evaluate the effects that gap fluctuations would produce on observables like tunneling conductance, neutron scattering, and nuclear resonance, and relate them to the experimental findings. We show that the transition into the hidden-order phase is likely second order and is preceded by the onset of noncoherent hidden-order fluctuations. C1 [Haraldsen, J. T.; Balatsky, A. V.] Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA. [Haraldsen, J. T.; Balatsky, A. V.] Los Alamos Natl Lab, Ctr Integrated Nanotechnol, Los Alamos, NM 87545 USA. [Dubi, Y.] Tel Aviv Univ, Sch Phys & Astron, IL-69978 Tel Aviv, Israel. [Curro, N. J.] Univ Calif Davis, Dept Phys, Davis, CA 95616 USA. RP Haraldsen, JT (reprint author), Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA. RI Haraldsen, Jason/B-9809-2012; Dubi, Yonatan/G-5304-2013; Curro, Nicholas/D-3413-2009 OI Haraldsen, Jason/0000-0002-8641-5412; Curro, Nicholas/0000-0001-7829-0237 FU UCOP [TR01]; Center for Integrated Nanotechnologies, a US Department of Energy, Office of Basic Energy Sciences user facility; US Department of Energy, Office of Basic Energy Sciences user facility, and in part by the LDRD; US Department of Energy [DE-AC52-06NA25396] FX We would like to acknowledge useful discussions with M. Graf, J. J. Su, D. Parker, T. Durakewicz, T. Timusk, E. Abrahams, and T. Das. This work was supported, in part, by UCOP-TR01, by the Center for Integrated Nanotechnologies, a US Department of Energy, Office of Basic Energy Sciences user facility, and in part by the LDRD. Los Alamos National Laboratory is operated by Los Alamos National Security, LLC, for the National Nuclear Security Administration of the US Department of Energy under Contract No. DE-AC52-06NA25396. NR 48 TC 16 Z9 16 U1 1 U2 7 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 2469-9950 EI 2469-9969 J9 PHYS REV B JI Phys. Rev. B PD DEC 5 PY 2011 VL 84 IS 21 AR 214410 DI 10.1103/PhysRevB.84.214410 PG 5 WC Physics, Condensed Matter SC Physics GA 857YM UT WOS:000297761700007 ER PT J AU Ren, Y Yan, JQ Zhou, JS Goodenough, JB Jorgensen, JD Short, S Kim, H Proffen, T Chang, S McQueeney, RJ AF Ren, Y. Yan, J. -Q. Zhou, J. -S. Goodenough, J. B. Jorgensen, J. D. Short, S. Kim, H. Proffen, Th. Chang, S. McQueeney, R. J. TI Spin-state transitions in PrCoO3 studied with neutron powder diffraction SO PHYSICAL REVIEW B LA English DT Article ID LACOO3; DISTORTIONS; SCATTERING AB The crystal structure of PrCoO3 has been studied with high-resolution neutron powder diffraction and pair-distribution-function analysis in the temperature range from 12-600 K. The compound has the orthorhombic (Pbnm) perovskite structure over the entire temperature range. The temperature dependence of the average Co-O bond length shows clear anomalies near 60 K and 200 K where anomalous temperature dependencies of thermal conductivity and magnetic susceptibility have been reported. The data show a constant intermediate-spin-state fraction within 60 < T < 200 K and excitation of high-spin-state Co(III) above 200 K. C1 [Ren, Y.] Argonne Natl Lab, Xray Sci Div, Argonne, IL 60439 USA. [Yan, J. -Q.] US DOE, Ames Lab, Ames, IA 50011 USA. [Yan, J. -Q.] Univ Tennessee, Dept Mat Sci & Engn, Knoxville, TN 37996 USA. [Yan, J. -Q.] Oak Ridge Natl Lab, Mat Sci & Technol Div, Oak Ridge, TN 37831 USA. [Zhou, J. -S.; Goodenough, J. B.] Univ Texas Austin, Mat Sci & Engn Program, Austin, TX 78712 USA. [Jorgensen, J. D.; Short, S.] Argonne Natl Lab, Mat Sci Div, Argonne, IL 60439 USA. [Kim, H.; Proffen, Th.] Los Alamos Natl Lab, Lujan Neutron Scattering Ctr, Los Alamos, NM 87545 USA. [Kim, H.] Natl Inst Adv Ind Sci & Technol, Energy Technol Res Inst, Tsukuba, Ibaraki 3058565, Japan. [Proffen, Th.] Oak Ridge Natl Lab, Neutron Scattering Sci Div, Oak Ridge, TN 37831 USA. [Chang, S.; McQueeney, R. J.] Iowa State Univ, Ames Lab, Ames, IA 50011 USA. [Chang, S.; McQueeney, R. J.] Iowa State Univ, Dept Phys & Astron, Ames, IA 50011 USA. RP Ren, Y (reprint author), Argonne Natl Lab, Xray Sci Div, 9700 S Cass Ave, Argonne, IL 60439 USA. RI Lujan Center, LANL/G-4896-2012; McQueeney, Robert/A-2864-2016; Proffen, Thomas/B-3585-2009; OI McQueeney, Robert/0000-0003-0718-5602; Proffen, Thomas/0000-0002-1408-6031; Goodenough, John Bannister/0000-0001-9350-3034 FU US Department of Energy, Division of Basic Energy Science [DE-AC02-06CH11357]; US Department of Energy, Basic Energy Sciences, Materials Science and Engineering Division; US Department of Energy by Iowa State University [DE-AC02-07CH11358]; NSF [DMR 0904282, DMR 1122603]; Robert A Welch foundation [F-1066]; US DOE, Office of Basic Energy Sciences. Los Alamos National Laboratory under DOE [DE-AC52-06NA25396] FX Work at Argonne National Laboratory is supported by the US Department of Energy, Division of Basic Energy Science, under Contract No. DE-AC02-06CH11357. Work at ORNL is supported by the US Department of Energy, Basic Energy Sciences, Materials Science and Engineering Division. Ames Laboratory is operated for the US Department of Energy by Iowa State University under Contract No. DE-AC02-07CH11358. J.S.Z. and J.B.G. thank the NSF (DMR 0904282, DMR 1122603) and the Robert A Welch foundation (Grant F-1066) for support. This work has benefitted from the use of the NPDF beamline at the Lujan Center at Los Alamos Neutron Science Center, funded by the US DOE, Office of Basic Energy Sciences. Los Alamos National Laboratory is operated by Los Alamos National Security LLC under DOE Contract No. DE-AC52-06NA25396. NR 32 TC 6 Z9 6 U1 2 U2 32 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1098-0121 J9 PHYS REV B JI Phys. Rev. B PD DEC 5 PY 2011 VL 84 IS 21 AR 214409 DI 10.1103/PhysRevB.84.214409 PG 5 WC Physics, Condensed Matter SC Physics GA 857YM UT WOS:000297761700006 ER PT J AU Schmidt, DA Ohta, T Beechem, TE AF Schmidt, Diedrich A. Ohta, Taisuke Beechem, Thomas E. TI Strain and charge carrier coupling in epitaxial graphene SO PHYSICAL REVIEW B LA English DT Article ID LIGHT-EMITTING-DIODES; RAMAN-SPECTROSCOPY; SILICON-CARBIDE; LAYER GRAPHENE; SINGLE-LAYER; BOND-LENGTH; GRAPHITE; SCATTERING; EXPANSION AB We report a striking coupling between strain and carrier concentration variations at micrometer scale in single-layer graphene grown on silicon carbide (SiC) (0001). The in-plane compressive strain (up to 0.4%) and carrier concentration are probed using Raman spectroscopy. We show that the large strain inhomogeneities in graphene initiate at the growth stage and develop further by strain relaxation along the mismatched symmetry axes of the graphene and the underlying substrate. The strain relaxation is accompanied by a locally larger electron concentration, suggesting that charge transfer reduces the strain energy in the overall system. Our work establishes the strain and doping variations as coupled, intrinsic properties of epitaxial graphene growth on SiC(0001). C1 [Schmidt, Diedrich A.] Ruhr Univ Bochum, Dept Phys Chem 2, D-44780 Bochum D Nrw, Germany. [Ohta, Taisuke; Beechem, Thomas E.] Sandia Natl Labs, Albuquerque, NM 87185 USA. RP Schmidt, DA (reprint author), N Carolina Agr & Tech State Univ, Dept Phys, Greensboro, NC 27411 USA. EM Schmidt@rub.de; tohta@sandia.gov FU BMBF [05KS7PC2]; Sandia National Laboratories (SNL); US DOE Office of Basic Energy Sciences, Division of Materials Science and Engineering [DE-AC04-94AL85000]; CINT [DE-AC04-94AL85000]; US DOE National Nuclear Security Administration [DE-AC04-94AL85000] FX D.A.S. thanks M. Havenith for use of experimental equipment. The Raman microscope was supported by BMBF Grant No. 05KS7PC2. D. A. S. acknowledges support within the BMBF-funded project. This work was partly supported by the LDRD program at Sandia National Laboratories (SNL), and the US DOE Office of Basic Energy Sciences, Division of Materials Science and Engineering (DE-AC04-94AL85000). A portion of this work was performed at CINT (Contract No. DE-AC04-94AL85000). We are grateful to E. Brundermann, N. Bartelt, P. Feibelman, L. Biedermann, S. Howell, G. Kellogg, T. Friedmann, and B. Swartzentruber for stimulating discussions; G. Copeland for sample preparation and characterization; and F. Ballout for assistance in image processing. SNL is a multiprogram laboratory managed and operated by Sandia Corporation, a wholly owned subsidiary of Lockheed Martin Corporation, for the US DOE National Nuclear Security Administration under Contract No. DE-AC04-94AL85000. NR 69 TC 25 Z9 25 U1 2 U2 39 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1098-0121 J9 PHYS REV B JI Phys. Rev. B PD DEC 5 PY 2011 VL 84 IS 23 AR 235422 DI 10.1103/PhysRevB.84.235422 PG 8 WC Physics, Condensed Matter SC Physics GA 857ZN UT WOS:000297765200013 ER PT J AU Abazov, VM Abbott, B Acharya, BS Adams, M Adams, T Alexeev, GD Alkhazov, G Alton, A Alverson, G Alves, GA Aoki, M Arov, M Askew, A Asman, B Atkins, S Atramentov, O Augsten, K Avila, C BackusMayes, J Badaud, F Bagby, L Baldin, B Bandurin, DV Banerjee, S Barberis, E Baringer, P Barreto, J Bartlett, JF Bassler, U Bazterra, V Bean, A Begalli, M Begel, M Belanger-Champagne, C Bellantoni, L Beri, SB Bernardi, G Bernhard, R Bertram, I Besancon, M Beuselinck, R Bezzubov, VA Bhat, PC Bhatnagar, V Blazey, G Blessing, S Bloom, K Boehnlein, A Boline, D Boos, EE Borissov, G Bose, T Brandt, A Brandt, O Brock, R Brooijmans, G Bross, A Brown, D Brown, J Bu, XB Buehler, M Buescher, V Bunichev, V Burdin, S Burnett, TH Buszello, CP Calpas, B Camacho-Perez, E Carrasco-Lizarraga, MA Casey, BCK Castilla-Valdez, H Chakrabarti, S Chakraborty, D Chan, KM Chandra, A Chapon, E Chen, G Chevalier-Thery, S Cho, DK Cho, SW Choi, S Choudhary, B Cihangir, S Claes, D Clutter, J Cooke, M Cooper, WE Corcoran, M Couderc, F Cousinou, MC Croc, A Cutts, D Das, A Davies, G De, K de Jong, SJ De La Cruz-Burelo, E Deliot, F Demarteau, M Demina, R Denisov, D Denisov, SP Desai, S Deterre, C DeVaughan, K Diehl, HT Diesburg, M Ding, PF Dominguez, A Dorland, T Dubey, A Dudko, LV Duggan, D Duperrin, A Dutt, S Dyshkant, A Eads, M Edmunds, D Eller, P Ellison, J Elvira, VD Enari, Y Evans, H Evdokimov, A Evdokimov, VN Facini, G Ferbel, T Fiedler, F Filthaut, F Fisher, W Fisk, HE Focke, C Fortner, M Fox, H Fuess, S Garcia-Bellido, A Garcia-Guerra, GA Gavrilov, V Gay, P Geng, W Gerbaudo, D Gerber, CE Gershtein, Y Ginther, G Golovanov, G Goussiou, A Grannis, PD Greder, S Greenlee, H Greenwood, ZD Gregores, EM Grenier, G Gris, P Grivaz, JF Grohsjean, A Grunendahl, S Grunewald, MW Guillemin, T Gutierrez, G Gutierrez, P Haas, A Hagopian, S Haley, J Han, L Harder, K Harel, A Hauptman, JM Hays, J Head, T Hebbeker, T Hedin, D Hegab, H Heinson, AP Heintz, U Hensel, C Heredia-De La Cruz, I Herner, K Hesketh, G Hildreth, MD Hirosky, R Hoang, T Hobbs, JD Hoeneisen, B Hohlfeld, M Hubacek, Z Huske, N Hynek, V Iashvili, I Ilchenko, Y Illingworth, R Ito, AS Jabeen, S Jaffre, M Jamin, D Jayasinghe, A Jesik, R Johns, K Johnson, M Jonckheere, A Jonsson, P Joshi, J Jung, AW Juste, A Kaadze, K Kajfasz, E Karmanov, D Kasper, PA Katsanos, I Kehoe, R Kermiche, S Khalatyan, N Khanov, A Kharchilava, A Kharzheev, YN Kohli, JM Kozelov, AV Kraus, J Kulikov, S Kumar, A Kupco, A Kurca, T Kuzmin, VA Kvita, J Lammers, S Landsberg, G Lebrun, P Lee, HS Lee, SW Lee, WM Lellouch, J Li, L Li, QZ Lietti, SM Lim, JK Lincoln, D Linnemann, J Lipaev, VV Lipton, R Liu, Y Lobodenko, A Lokajicek, M de Sa, RL Lubatti, HJ Luna-Garcia, R Lyon, AL Maciel, AKA Mackin, D Madar, R Magana-Villalba, R Malik, S Malyshev, VL Maravin, Y Martinez-Ortega, J McCarthy, R McGivern, CL Meijer, MM Melnitchouk, A Menezes, D Mercadante, PG Merkin, M Meyer, A Meyer, J Miconi, F Mondal, NK Muanza, GS Mulhearn, M Nagy, E Naimuddin, M Narain, M Nayyar, R Neal, HA Negret, JP Neustroev, P Novaes, SF Nunnemann, T Obrant, G Orduna, J Osman, N Osta, J Garzon, GJOY Padilla, M Pal, A Parashar, N Parihar, V Park, SK Parsons, J Partridge, R Parua, N Patwa, A Penning, B Perfilov, M Peters, K Peters, Y Petridis, K Petrillo, G Petroff, P Piegaia, R Pleier, MA Podesta-Lerma, PLM Podstavkov, VM Polozov, P Popov, AV Prewitt, M Price, D Prokopenko, N Prosper, HB Protopopescu, S Qian, J Quadt, A Quinn, B Rangel, MS Ranjan, K Ratoff, PN Razumov, I Renkel, P Rijssenbeek, M Ripp-Baudot, I Rizatdinova, F Rominsky, M Ross, A Royon, C Rubinov, P Ruchti, R Safronov, G Sajot, G Salcido, P Sanchez-Hernandez, A Sanders, MP Sanghi, B Santos, AS Savage, G Sawyer, L Scanlon, T Schamberger, RD Scheglov, Y Schellman, H Schliephake, T Schlobohm, S Schwanenberger, C Schwienhorst, R Sekaric, J Severini, H Shabalina, E Shary, V Shchukin, AA Shivpuri, RK Simak, V Sirotenko, V Skubic, P Slattery, P Smirnov, D Smith, KJ Snow, GR Snow, J Snyder, S Soldner-Rembold, S Sonnenschein, L Soustruznik, K Stark, J Stolin, V Stoyanova, DA Strauss, M Strom, D Stutte, L Suter, L Svoisky, P Takahashi, M Tanasijczuk, A Titov, M Tokmenin, VV Triplett, N Tsai, YT Tschann-Grimm, K Tsybychev, D Tuchming, B Tully, C Uvarov, L Uvarov, S Uzunyan, S Van Kooten, R van Leeuwen, WM Varelas, N Varnes, EW Vasilyev, IA Verdier, P Vertogradov, LS Verzocchi, M Vesterinen, M Vilanova, D Vokac, P Wahl, HD Wang, MHLS Warchol, J Watts, G Wayne, M Weber, M Welty-Rieger, L White, A Wicke, D Williams, MRJ Wilson, GW Wobisch, M Wood, DR Wyatt, TR Xie, Y Xu, C Yacoob, S Yamada, R Yang, WC Yasuda, T Yatsunenko, YA Ye, Z Yin, H Yip, K Youn, SW Yu, J Zelitch, S Zhao, T Zhou, B Zhu, J Zielinski, M Zieminska, D Zivkovic, L AF Abazov, V. M. Abbott, B. Acharya, B. S. Adams, M. Adams, T. Alexeev, G. D. Alkhazov, G. Alton, A. Alverson, G. Alves, G. A. Aoki, M. Arov, M. Askew, A. Asman, B. Atkins, S. Atramentov, O. Augsten, K. Avila, C. BackusMayes, J. Badaud, F. Bagby, L. Baldin, B. Bandurin, D. V. Banerjee, S. Barberis, E. Baringer, P. Barreto, J. Bartlett, J. F. Bassler, U. Bazterra, V. Bean, A. Begalli, M. Begel, M. Belanger-Champagne, C. Bellantoni, L. Beri, S. B. Bernardi, G. Bernhard, R. Bertram, I. Besancon, M. Beuselinck, R. Bezzubov, V. A. Bhat, P. C. Bhatnagar, V. Blazey, G. Blessing, S. Bloom, K. Boehnlein, A. Boline, D. Boos, E. E. Borissov, G. Bose, T. Brandt, A. Brandt, O. Brock, R. Brooijmans, G. Bross, A. Brown, D. Brown, J. Bu, X. B. Buehler, M. Buescher, V. Bunichev, V. Burdin, S. Burnett, T. H. Buszello, C. P. Calpas, B. Camacho-Perez, E. Carrasco-Lizarraga, M. A. Casey, B. C. K. Castilla-Valdez, H. Chakrabarti, S. Chakraborty, D. Chan, K. M. Chandra, A. Chapon, E. Chen, G. Chevalier-Thery, S. Cho, D. K. Cho, S. W. Choi, S. Choudhary, B. Cihangir, S. Claes, D. Clutter, J. Cooke, M. Cooper, W. E. Corcoran, M. Couderc, F. Cousinou, M. -C. Croc, A. Cutts, D. Das, A. Davies, G. De, K. de Jong, S. J. De La Cruz-Burelo, E. Deliot, F. Demarteau, M. Demina, R. Denisov, D. Denisov, S. P. Desai, S. Deterre, C. DeVaughan, K. Diehl, H. T. Diesburg, M. Ding, P. F. Dominguez, A. Dorland, T. Dubey, A. Dudko, L. V. Duggan, D. Duperrin, A. Dutt, S. Dyshkant, A. Eads, M. Edmunds, D. Eller, P. Ellison, J. Elvira, V. D. Enari, Y. Evans, H. Evdokimov, A. Evdokimov, V. N. Facini, G. Ferbel, T. Fiedler, F. Filthaut, F. Fisher, W. Fisk, H. E. Focke, C. Fortner, M. Fox, H. Fuess, S. Garcia-Bellido, A. Garcia-Guerra, G. A. Gavrilov, V. Gay, P. Geng, W. Gerbaudo, D. Gerber, C. E. Gershtein, Y. Ginther, G. Golovanov, G. Goussiou, A. Grannis, P. D. Greder, S. Greenlee, H. Greenwood, Z. D. Gregores, E. M. Grenier, G. Gris, Ph. Grivaz, J. -F. Grohsjean, A. Gruenendahl, S. Gruenewald, M. W. Guillemin, T. Gutierrez, G. Gutierrez, P. Haas, A. Hagopian, S. Haley, J. Han, L. Harder, K. Harel, A. Hauptman, J. M. Hays, J. Head, T. Hebbeker, T. Hedin, D. Hegab, H. Heinson, A. P. Heintz, U. Hensel, C. Heredia-De La Cruz, I. Herner, K. Hesketh, G. Hildreth, M. D. Hirosky, R. Hoang, T. Hobbs, J. D. Hoeneisen, B. Hohlfeld, M. Hubacek, Z. Huske, N. Hynek, V. Iashvili, I. Ilchenko, Y. Illingworth, R. Ito, A. S. Jabeen, S. Jaffre, M. Jamin, D. Jayasinghe, A. Jesik, R. Johns, K. Johnson, M. Jonckheere, A. Jonsson, P. Joshi, J. Jung, A. W. Juste, A. Kaadze, K. Kajfasz, E. Karmanov, D. Kasper, P. A. Katsanos, I. Kehoe, R. Kermiche, S. Khalatyan, N. Khanov, A. Kharchilava, A. Kharzheev, Y. N. Kohli, J. M. Kozelov, A. V. Kraus, J. Kulikov, S. Kumar, A. Kupco, A. Kurca, T. Kuzmin, V. A. Kvita, J. Lammers, S. Landsberg, G. Lebrun, P. Lee, H. S. Lee, S. W. Lee, W. M. Lellouch, J. Li, L. Li, Q. Z. Lietti, S. M. Lim, J. K. Lincoln, D. Linnemann, J. Lipaev, V. V. Lipton, R. Liu, Y. Lobodenko, A. Lokajicek, M. de Sa, R. Lopes Lubatti, H. J. Luna-Garcia, R. Lyon, A. L. Maciel, A. K. A. Mackin, D. Madar, R. Magana-Villalba, R. Malik, S. Malyshev, V. L. Maravin, Y. Martinez-Ortega, J. McCarthy, R. McGivern, C. L. Meijer, M. M. Melnitchouk, A. Menezes, D. Mercadante, P. G. Merkin, M. Meyer, A. Meyer, J. Miconi, F. Mondal, N. K. Muanza, G. S. Mulhearn, M. Nagy, E. Naimuddin, M. Narain, M. Nayyar, R. Neal, H. A. Negret, J. P. Neustroev, P. Novaes, S. F. Nunnemann, T. Obrant, G. Orduna, J. Osman, N. Osta, J. Otero y Garzon, G. J. Padilla, M. Pal, A. Parashar, N. Parihar, V. Park, S. K. Parsons, J. Partridge, R. Parua, N. Patwa, A. Penning, B. Perfilov, M. Peters, K. Peters, Y. Petridis, K. Petrillo, G. Petroff, P. Piegaia, R. Pleier, M. -A. Podesta-Lerma, P. L. M. Podstavkov, V. M. Polozov, P. Popov, A. V. Prewitt, M. Price, D. Prokopenko, N. Prosper, H. B. Protopopescu, S. Qian, J. Quadt, A. Quinn, B. Rangel, M. S. Ranjan, K. Ratoff, P. N. Razumov, I. Renkel, P. Rijssenbeek, M. Ripp-Baudot, I. Rizatdinova, F. Rominsky, M. Ross, A. Royon, C. Rubinov, P. Ruchti, R. Safronov, G. Sajot, G. Salcido, P. Sanchez-Hernandez, A. Sanders, M. P. Sanghi, B. Santos, A. S. Savage, G. Sawyer, L. Scanlon, T. Schamberger, R. D. Scheglov, Y. Schellman, H. Schliephake, T. Schlobohm, S. Schwanenberger, C. Schwienhorst, R. Sekaric, J. Severini, H. Shabalina, E. Shary, V. Shchukin, A. A. Shivpuri, R. K. Simak, V. Sirotenko, V. Skubic, P. Slattery, P. Smirnov, D. Smith, K. J. Snow, G. R. Snow, J. Snyder, S. Soeldner-Rembold, S. Sonnenschein, L. Soustruznik, K. Stark, J. Stolin, V. Stoyanova, D. A. Strauss, M. Strom, D. Stutte, L. Suter, L. Svoisky, P. Takahashi, M. Tanasijczuk, A. Titov, M. Tokmenin, V. V. Triplett, N. Tsai, Y. -T. Tschann-Grimm, K. Tsybychev, D. Tuchming, B. Tully, C. Uvarov, L. Uvarov, S. Uzunyan, S. Van Kooten, R. van Leeuwen, W. M. Varelas, N. Varnes, E. W. Vasilyev, I. A. Verdier, P. Vertogradov, L. S. Verzocchi, M. Vesterinen, M. Vilanova, D. Vokac, P. Wahl, H. D. Wang, M. H. L. S. Warchol, J. Watts, G. Wayne, M. Weber, M. Welty-Rieger, L. White, A. Wicke, D. Williams, M. R. J. Wilson, G. W. Wobisch, M. Wood, D. R. Wyatt, T. R. Xie, Y. Xu, C. Yacoob, S. Yamada, R. Yang, W. -C. Yasuda, T. Yatsunenko, Y. A. Ye, Z. Yin, H. Yip, K. Youn, S. W. Yu, J. Zelitch, S. Zhao, T. Zhou, B. Zhu, J. Zielinski, M. Zieminska, D. Zivkovic, L. CA D0 Collaboration TI Measurements of single top quark production cross sections and vertical bar V-tb vertical bar in p(p)over-bar collisions at root s=1.96 TeV SO PHYSICAL REVIEW D LA English DT Article ID FERMILAB TEVATRON; CHANNEL; SEARCH; COUPLINGS; COLLIDER AB We present measurements of production cross sections of single top quarks in p (p) over bar collisions at root s = 1.96 TeV in a data sample corresponding to an integrated luminosity of 5.4 fb(-1) collected by the D0 detector at the Fermilab Tevatron Collider. We select events with an isolated electron or muon, an imbalance in transverse energy, and two, three, or four jets, with one or two of them containing a bottom hadron. We obtain an inclusive cross section of sigma(p (p) over bar -> tb + X, tqb + X) = 3.43(-0.74)(+0.73) pb and use it to extract the CKM matrix element 0.79 < vertical bar V-tb vertical bar <= 1 at the 95% C.L. We also measure sigma(p<(p)over bar> -> tb + X) = 0.68(-0.35)(+0.38) pb and sigma(p (p) over bar -> tqb + X) = 2.86(-0.63)(+0.69) pb when assuming, respectively, tqb and tb production rates as predicted by the standard model. C1 [Abazov, V. M.; Alexeev, G. D.; Golovanov, G.; Kharzheev, Y. N.; Malyshev, V. L.; Tokmenin, V. V.; Vertogradov, L. S.; Yatsunenko, Y. A.] Joint Inst Nucl Res, Dubna, Russia. [Otero y Garzon, G. J.; Piegaia, R.; Tanasijczuk, A.] Univ Buenos Aires, Buenos Aires, DF, Argentina. [Alves, G. A.; Maciel, A. K. A.; Rangel, M. S.] LAFEX, Ctr Brasileiro Pesquisas Fis, Rio De Janeiro, Brazil. 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[Das, A.; Johns, K.; Varnes, E. W.] Univ Arizona, Tucson, AZ 85721 USA. [Ellison, J.; Heinson, A. P.; Li, L.; Padilla, M.] Univ Calif Riverside, Riverside, CA 92521 USA. [Adams, T.; Askew, A.; Bandurin, D. V.; Blessing, S.; Hagopian, S.; Hoang, T.; Prosper, H. B.; Wahl, H. D.] Florida State Univ, Tallahassee, FL 32306 USA. [Aoki, M.; Bagby, L.; Baldin, B.; Bartlett, J. F.; Bellantoni, L.; Bhat, P. C.; Boehnlein, A.; Bross, A.; Bu, X. B.; Buehler, M.; Casey, B. C. K.; Cihangir, S.; Cooke, M.; Cooper, W. E.; Demarteau, M.; Denisov, D.; Desai, S.; Diehl, H. T.; Diesburg, M.; Elvira, V. D.; Fisk, H. E.; Fuess, S.; Ginther, G.; Greenlee, H.; Gruenendahl, S.; Gutierrez, G.; Illingworth, R.; Ito, A. S.; Johnson, M.; Jonckheere, A.; Jung, A. W.; Kasper, P. A.; Khalatyan, N.; Lee, W. M.; Li, Q. Z.; Lincoln, D.; Lipton, R.; Lyon, A. L.; Penning, B.; Podstavkov, V. M.; Rominsky, M.; Rubinov, P.; Sanghi, B.; Savage, G.; Sirotenko, V.; Stutte, L.; Verzocchi, M.; Wang, M. H. L. S.; Weber, M.; Xie, Y.; Yamada, R.; Yasuda, T.; Ye, Z.; Yin, H.; Youn, S. W.] Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA. [Adams, M.; Bazterra, V.; Eller, P.; Focke, C.; Gerber, C. E.; Strom, D.; Varelas, N.] Univ Illinois, Chicago, IL 60607 USA. [Blazey, G.; Chakraborty, D.; Dyshkant, A.; Fortner, M.; Hedin, D.; Menezes, D.; Salcido, P.; Uzunyan, S.] No Illinois Univ, De Kalb, IL 60115 USA. [Schellman, H.; Welty-Rieger, L.; Yacoob, S.] Northwestern Univ, Evanston, IL 60208 USA. [Evans, H.; Lammers, S.; Parua, N.; Price, D.; Van Kooten, R.; Zieminska, D.] Indiana Univ, Bloomington, IN 47405 USA. [Parashar, N.] Purdue Univ Calumet, Hammond, IN 46323 USA. [Chan, K. M.; Hildreth, M. D.; Osta, J.; Ruchti, R.; Smirnov, D.; Warchol, J.; Wayne, M.] Univ Notre Dame, Notre Dame, IN 46556 USA. [Hauptman, J. M.; Lee, S. W.; Triplett, N.] Iowa State Univ, Ames, IA 50011 USA. [Baringer, P.; Bean, A.; Carrasco-Lizarraga, M. A.; Chen, G.; Clutter, J.; McGivern, C. L.; Sekaric, J.; Wilson, G. W.] Univ Kansas, Lawrence, KS 66045 USA. [Kaadze, K.; Maravin, Y.] Kansas State Univ, Manhattan, KS 66506 USA. [Arov, M.; Atkins, S.; Greenwood, Z. D.; Sawyer, L.; Wobisch, M.] Louisiana Tech Univ, Ruston, LA 71272 USA. [Bose, T.] Boston Univ, Boston, MA 02215 USA. [Alverson, G.; Barberis, E.; Facini, G.; Haley, J.; Wood, D. R.] Northeastern Univ, Boston, MA 02115 USA. [Alton, A.; Herner, K.; Neal, H. A.; Qian, J.; Xu, C.; Zhou, B.; Zhu, J.] Univ Michigan, Ann Arbor, MI 48109 USA. [Brock, R.; Edmunds, D.; Fisher, W.; Geng, W.; Kraus, J.; Linnemann, J.; Schwienhorst, R.] Michigan State Univ, E Lansing, MI 48824 USA. [Melnitchouk, A.; Quinn, B.] Univ Mississippi, University, MS 38677 USA. [Bloom, K.; Claes, D.; DeVaughan, K.; Dominguez, A.; Eads, M.; Katsanos, I.; Malik, S.; Snow, G. R.] Univ Nebraska, Lincoln, NE 68588 USA. [Atramentov, O.; Duggan, D.; Gershtein, Y.] Rutgers State Univ, Piscataway, NJ 08855 USA. [Gerbaudo, D.; Tully, C.] Princeton Univ, Princeton, NJ 08544 USA. [Iashvili, I.; Kharchilava, A.; Kumar, A.; Smith, K. J.] SUNY Buffalo, Buffalo, NY 14260 USA. [Brooijmans, G.; Haas, A.; Parsons, J.] Columbia Univ, New York, NY 10027 USA. [Demina, R.; Ferbel, T.; Garcia-Bellido, A.; Ginther, G.; Harel, A.; Petrillo, G.; Slattery, P.; Tsai, Y. -T.; Zielinski, M.] Univ Rochester, Rochester, NY 14627 USA. [Boline, D.; Chakrabarti, S.; Grannis, P. D.; Hobbs, J. D.; de Sa, R. Lopes; McCarthy, R.; Rijssenbeek, M.; Schamberger, R. D.; Tschann-Grimm, K.; Tsybychev, D.] SUNY Stony Brook, Stony Brook, NY 11794 USA. [Begel, M.; Evdokimov, A.; Patwa, A.; Pleier, M. -A.; Protopopescu, S.; Snyder, S.; Yip, K.] Brookhaven Natl Lab, Upton, NY 11973 USA. [Snow, J.] Langston Univ, Langston, OK 73050 USA. [Abbott, B.; Gutierrez, P.; Jayasinghe, A.; Severini, H.; Skubic, P.; Strauss, M.; Svoisky, P.] Univ Oklahoma, Norman, OK 73019 USA. [Hegab, H.; Khanov, A.; Rizatdinova, F.] Oklahoma State Univ, Stillwater, OK 74078 USA. [Cho, D. K.; Cutts, D.; Heintz, U.; Jabeen, S.; Landsberg, G.; Narain, M.; Parihar, V.; Partridge, R.; Zivkovic, L.] Brown Univ, Providence, RI 02912 USA. [Brandt, A.; De, K.; Pal, A.; White, A.; Yu, J.] Univ Texas Arlington, Arlington, TX 76019 USA. [Ilchenko, Y.; Kehoe, R.; Renkel, P.] So Methodist Univ, Dallas, TX 75275 USA. [Chandra, A.; Corcoran, M.; Mackin, D.; Orduna, J.; Prewitt, M.] Rice Univ, Houston, TX 77005 USA. [Hirosky, R.; Mulhearn, M.; Zelitch, S.] Univ Virginia, Charlottesville, VA 22901 USA. [BackusMayes, J.; Burnett, T. H.; Dorland, T.; Goussiou, A.; Lubatti, H. J.; Schlobohm, S.; Watts, G.; Zhao, T.] Univ Washington, Seattle, WA 98195 USA. RP Abazov, VM (reprint author), Joint Inst Nucl Res, Dubna, Russia. RI Gutierrez, Phillip/C-1161-2011; bu, xuebing/D-1121-2012; Alves, Gilvan/C-4007-2013; Merkin, Mikhail/D-6809-2012; Yip, Kin/D-6860-2013; Fisher, Wade/N-4491-2013; Dudko, Lev/D-7127-2012; Perfilov, Maxim/E-1064-2012; Boos, Eduard/D-9748-2012; Novaes, Sergio/D-3532-2012; Santos, Angelo/K-5552-2012; Mercadante, Pedro/K-1918-2012; De, Kaushik/N-1953-2013; Deliot, Frederic/F-3321-2014; Sharyy, Viatcheslav/F-9057-2014; Lokajicek, Milos/G-7800-2014; Kupco, Alexander/G-9713-2014; Kozelov, Alexander/J-3812-2014; Gerbaudo, Davide/J-4536-2012; Li, Liang/O-1107-2015 OI Yip, Kin/0000-0002-8576-4311; Dudko, Lev/0000-0002-4462-3192; Novaes, Sergio/0000-0003-0471-8549; De, Kaushik/0000-0002-5647-4489; Sharyy, Viatcheslav/0000-0002-7161-2616; Gerbaudo, Davide/0000-0002-4463-0878; Li, Liang/0000-0001-6411-6107 FU DOE (USA); NSF (USA); CEA (France); CNRS/IN2P3 (France); FASI (Russia); Rosatom (Russia); RFBR (Russia); CNPq (Brazil); FAPERJ (Brazil); FAPESP (Brazil); FUNDUNESP (Brazil); DAE (India); DST (India); Colciencias (Colombia); CONACyT (Mexico); KRF (Korea); KOSEF (Korea); CONICET (Argentina); UBACyT (Argentina); FOM (The Netherlands); STFC (United Kingdom); Royal Society (United Kingdom); MSMT (Czech Republic); GACR (Czech Republic); CRC (Canada); NSERC (Canada); BMBF (Germany); DFG (Germany); SFI (Ireland); Swedish Research Council (Sweden); CAS (China); CNSF (China) FX We thank the staffs at Fermilab and collaborating institutions, and acknowledge support from the DOE and NSF (USA); CEA and CNRS/IN2P3 (France); FASI, Rosatom and RFBR (Russia); CNPq, FAPERJ, FAPESP and FUNDUNESP (Brazil); DAE and DST (India); Colciencias (Colombia); CONACyT (Mexico); KRF and KOSEF (Korea); CONICET and UBACyT (Argentina); FOM (The Netherlands); STFC and the Royal Society (United Kingdom); MSMT and GACR (Czech Republic); CRC Program and NSERC (Canada); BMBF and DFG (Germany); SFI (Ireland); The Swedish Research Council (Sweden); and CAS and CNSF (China). NR 53 TC 30 Z9 30 U1 0 U2 7 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 2470-0010 EI 2470-0029 J9 PHYS REV D JI Phys. Rev. D PD DEC 5 PY 2011 VL 84 IS 11 AR 112001 DI 10.1103/PhysRevD.84.112001 PG 11 WC Astronomy & Astrophysics; Physics, Particles & Fields SC Astronomy & Astrophysics; Physics GA 858AZ UT WOS:000297769600001 ER PT J AU Alves, A Barreto, ER Dias, AG Pires, CAD Queiroz, FS da Silva, PSR AF Alves, A. Ramirez Barreto, E. Dias, A. G. Pires, C. A. de S. Queiroz, F. S. Rodrigues da Silva, P. S. TI Probing 3-3-1 models in diphoton Higgs boson decay SO PHYSICAL REVIEW D LA English DT Article ID ELECTROMAGNETIC-INTERACTIONS; PAIR PRODUCTION; GAUGE THEORY; ANTIMUONIUM CONVERSION; FUTURE-PROSPECTS; STANDARD MODEL; WEAK; MUONIUM; LHC; SEARCH AB We investigate the Higgs boson production through gluon fusion and its decay into two photons at the LHC in the context of the minimal 3-3-1 model and its alternative version with exotic leptons. The diphoton Higgs decay channel presents an enhanced signal in this model compared to the standard model due to the presence of an extra singly charged vector boson and a doubly charged one. Prospects for the Higgs boson detection at 7 TeV center-of-mass energy with up to 10 fb(-1) are presented. Our results suggest that a Higgs boson from these 3-3-1 models can potentially explain the small excess for m(H) <= 145 GeV observed at the LHC. Otherwise, if this excess reveals to be only a statistical fluctuation of the standard model backgrounds, severe constraints can be put on these models. C1 [Alves, A.] Univ Fed Sao Paulo, Dept Ciencias Exatas & Terra, BR-09972270 Diadema, SP, Brazil. [Ramirez Barreto, E.; Dias, A. G.] Univ Fed ABC, Ctr Ciencias Nat & Humanas, BR-09210170 Santo Andre, SP, Brazil. [Pires, C. A. de S.; Queiroz, F. S.] Univ Fed Paraiba, Dept Fis, BR-58051970 Joao Pessoa, PB, Brazil. [Queiroz, F. S.; Rodrigues da Silva, P. S.] Fermilab Natl Accelerator Lab, Ctr Particle Astrophys, Batavia, IL 60510 USA. RP Alves, A (reprint author), Univ Fed Sao Paulo, Dept Ciencias Exatas & Terra, BR-09972270 Diadema, SP, Brazil. RI Dias, Alex/C-4515-2012; Queiroz, Farinaldo/H-1886-2012; Rodrigues da Silva, Paulo Sergio/B-9722-2013; Alves, Alexandre/K-1469-2013; OI Alves, Alexandre/0000-0002-2454-7874; Da Silva Queiroz, Farinaldo/0000-0002-7141-5532 FU Conselho Nacional de Pesquisa e Desenvolvimento Cientifico-CNPq; Coordenacao de Aperfeicoamento Pessoal de Nivel Superior-CAPES; Fundacao de Amparo a Pesquisa do Estado de Sao Paulo-FAPESP FX This work was supported by Conselho Nacional de Pesquisa e Desenvolvimento Cientifico-CNPq, Coordenacao de Aperfeicoamento Pessoal de Nivel Superior-CAPES, and Fundacao de Amparo a Pesquisa do Estado de Sao Paulo-FAPESP. NR 78 TC 50 Z9 50 U1 0 U2 5 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1550-7998 J9 PHYS REV D JI Phys. Rev. D PD DEC 5 PY 2011 VL 84 IS 11 AR 115004 DI 10.1103/PhysRevD.84.115004 PG 11 WC Astronomy & Astrophysics; Physics, Particles & Fields SC Astronomy & Astrophysics; Physics GA 858AZ UT WOS:000297769600005 ER PT J AU Ekdahl, C Abeyta, EO Archuleta, R Bender, H Broste, W Carlson, C Cook, G Frayer, D Harrison, J Hughes, T Johnson, J Jacquez, E McCuistian, BT Montoya, N Nath, S Nielsen, K Rose, C Schulze, M Smith, HV Thoma, C Tom, CY AF Ekdahl, Carl Abeyta, E. O. Archuleta, R. Bender, H. Broste, W. Carlson, C. Cook, G. Frayer, D. Harrison, J. Hughes, T. Johnson, J. Jacquez, E. McCuistian, B. Trent Montoya, N. Nath, S. Nielsen, K. Rose, C. Schulze, M. Smith, H. V. Thoma, C. Tom, C. Y. TI Suppressing beam-centroid motion in a long-pulse linear induction accelerator SO PHYSICAL REVIEW SPECIAL TOPICS-ACCELERATORS AND BEAMS LA English DT Article AB The second axis of the dual-axis radiography of hydrodynamic testing (DARHT) facility produces up to four radiographs within an interval of 1.6 mu s. It does this by slicing four micropulses out of a 2-mu s long electron beam pulse and focusing them onto a bremsstrahlung converter target. The 1.8-kA beam pulse is created by a dispenser cathode diode and accelerated to more than 16 MeV by the unique DARHTAxis-II linear induction accelerator (LIA). Beam motion in the accelerator would be a problem for multipulse flash radiography. High-frequency motion, such as from beam-breakup (BBU) instability, would blur the individual spots. Low-frequency motion, such as produced by pulsed-power variation, would produce spot-to-spot differences. In this article, we describe these sources of beam motion, and the measures we have taken to minimize it. Using the methods discussed, we have reduced beam motion at the accelerator exit to less than 2% of the beam envelope radius for the high-frequency BBU, and less than 1/3 of the envelope radius for the low-frequency sweep. C1 [Ekdahl, Carl; Abeyta, E. O.; Archuleta, R.; Cook, G.; Harrison, J.; Johnson, J.; Jacquez, E.; McCuistian, B. Trent; Montoya, N.; Nath, S.; Nielsen, K.; Rose, C.; Schulze, M.; Smith, H. V.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA. [Bender, H.; Broste, W.; Carlson, C.; Frayer, D.; Tom, C. Y.] Natl Secur Technol, Los Alamos, NM 87544 USA. [Hughes, T.] Sandia Natl Labs, Albuquerque, NM 87185 USA. [Thoma, C.] Voss Sci, Albuquerque, NM 87108 USA. RP Ekdahl, C (reprint author), Los Alamos Natl Lab, POB 1663, Los Alamos, NM 87545 USA. FU U.S. National Nuclear Security Agency; U.S. Department of Energy [W-7405-ENG-36] FX This work was supported by the U.S. National Nuclear Security Agency and the U.S. Department of Energy under Contract No. W-7405-ENG-36. NR 21 TC 8 Z9 8 U1 0 U2 3 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1098-4402 J9 PHYS REV SPEC TOP-AC JI Phys. Rev. Spec. Top.-Accel. Beams PD DEC 5 PY 2011 VL 14 IS 12 AR 120401 DI 10.1103/PhysRevSTAB.14.120401 PG 8 WC Physics, Nuclear; Physics, Particles & Fields SC Physics GA 858LN UT WOS:000297799100001 ER PT J AU Pickens, LB Sawaya, MR Rasool, H Pashkov, I Yeates, TO Tang, Y AF Pickens, Lauren B. Sawaya, Michael R. Rasool, Huma Pashkov, Inna Yeates, Todd O. Tang, Yi TI Structural and Biochemical Characterization of the Salicylyl-acyltranferase SsfX3 from a Tetracycline Biosynthetic Pathway SO JOURNAL OF BIOLOGICAL CHEMISTRY LA English DT Article ID CARBOHYDRATE-BINDING MODULES; COLI THIOESTERASE-I; ESCHERICHIA-COLI; GENE-CLUSTER; PROTEASE-I; CATALYTIC TRIAD; ACTIVE-SITE; ANTITUMOR-ACTIVITY; SGNH-HYDROLASES; ACYLTRANSFERASE AB SsfX3 is a GDSL, family acyltransferase that transfers salicylate to the C-4 hydroxyl of a tetracycline intermediate in the penultimate step during biosynthesis of the anticancer natural product ST2575. The C-4 salicylate takes the place of the more common C-4 dimethylamine functionality, making SsfX3 the first acyltransferase identified to act on a tetracycline substrate. The crystal structure of SsfX3 was determined at 2.5 angstrom, revealing two distinct domains as follows: an N-terminal beta-sandwich domain that resembles a carbohydrate-binding module, and a C-terminal catalytic domain that contains the atypical alpha/beta-hydrolase fold found in the GDSL, hydrolase family of enzymes. The active site lies at one end of a large open binding pocket, which is spatially defined by structural elements from both the N- and C-terminal domains. Mutational analysis in the putative substrate binding pocket identified residues from both domains that are important for binding the acyl donor and acceptor. Furthermore, removal of the N-terminal carbohydrate-binding module-like domain rendered the stand-alone alp-hydrolase domain inactive. The additional noncatalytic module is therefore proposed to be required to define the binding pocket and provide sufficient interactions with the spatially extended tetracyclic substrate. SsfX3 was also demonstrated to accept a variety of non-native acyl groups. This relaxed substrate specificity toward the acyl donor allowed the chemoenzymatic biosynthesis of C-4-modified analogs of the immediate precursor to the bioactive SF2575; these were used to assay the structure activity relationships at the C-4 position. C1 [Pickens, Lauren B.; Rasool, Huma; Tang, Yi] Univ Calif Los Angeles, Dept Chem & Biomol Engn, Los Angeles, CA 90095 USA. [Sawaya, Michael R.; Pashkov, Inna; Yeates, Todd O.; Tang, Yi] Univ Calif Los Angeles, Dept Chem & Biochem, Los Angeles, CA 90095 USA. [Yeates, Todd O.; Tang, Yi] Univ Calif Los Angeles, Inst Mol Biol, Los Angeles, CA 90095 USA. [Sawaya, Michael R.] Univ Calif Los Angeles, Howard Hughes Med Inst, Los Angeles, CA 90095 USA. Univ Calif Los Angeles, UCLA DOE Inst Genom & Prote, Los Angeles, CA 90095 USA. RP Tang, Y (reprint author), Univ Calif Los Angeles, Dept Chem & Biomol Engn, Los Angeles, CA 90095 USA. EM yitang@ucla.edu OI Yeates, Todd/0000-0001-5709-9839 FU National Institutes of Health from NCRR [RR-15301]; United States Department of Energy [W-31-109-ENG-38]; National Science Foundation [0545860, 1033070] FX We thank Dr. Duilio Cascio, the staff of the Advanced Light Source beamline 8.2.1, and the staff of the Advanced Photon Source, Northeastern Collaborative Access Team (NECAT) beamline 24-ID-C for assistance with data collection, The NECAT beamline is supported by National Institutes of Health Award RR-15301 from NCRR. Use of the Advanced Photon Source is supported by the United States Department of Energy, (Vice of Basic Energy Sciences under Contract W-31-109-ENG-38.; This work was supported by National Science Foundation Chemical, Bioengineering, Environmental, and Transport Systems (CBET) Grants 0545860 and 1033070 (to V. T.). NR 61 TC 5 Z9 5 U1 1 U2 10 PU AMER SOC BIOCHEMISTRY MOLECULAR BIOLOGY INC PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3996 USA SN 0021-9258 J9 J BIOL CHEM JI J. Biol. Chem. PD DEC 2 PY 2011 VL 286 IS 48 BP 41539 EP 41551 DI 10.1074/jbc.M111.299859 PG 13 WC Biochemistry & Molecular Biology SC Biochemistry & Molecular Biology GA 861YR UT WOS:000298057500040 PM 21965680 ER PT J AU Zheng, D Yang, XQ Qu, DY AF Zheng, Dong Yang, Xiao-Qing Qu, Deyang TI High-Rate Oxygen Reduction in Mixed Nonaqueous Electrolyte Containing Acetonitrile SO CHEMISTRY-AN ASIAN JOURNAL LA English DT Article DE electrolytes; energy storage; lithium; oxygen; reduction ID LITHIUM/AIR BATTERIES; ELECTROCHEMISTRY AB A mixed nonaqueous electrolyte that contains acetonitrile and propylene carbonate (PC) was found to be suitable for a LiO2 battery with a metallic Li anode. Both the concentration and diffusion coefficient for the dissolved O2 are significantly higher in the mixed electrolyte than those in the pure PC electrolyte. A powder microelectrode was used to investigate the O2 solubility and diffusion coefficient. A 10 mAcm-2 discharge rate on a gas-diffusion electrode is demonstrated by using the mixed electrolyte in a LiO2 cell. C1 [Zheng, Dong; Qu, Deyang] Univ Massachusetts, Dept Chem, Boston, MA 02125 USA. [Yang, Xiao-Qing] Brookhaven Natl Lab, Dept Chem, Upton, NY 11973 USA. RP Qu, DY (reprint author), Univ Massachusetts, Dept Chem, 100 Morrissey Blvd, Boston, MA 02125 USA. EM Deyang.qu@umb.edu RI Zheng, Dong/J-9975-2015 OI Zheng, Dong/0000-0002-5824-3270 FU U.S. Department of Energy [DEAC02-98CH10886] FX The work was supported by the Assistant Secretary for Energy Efficiency and Renewable Energy, Office of Vehicle Technologies under the program "Hybrid and Electric Systems" of the U.S. Department of Energy under contract number DEAC02-98CH10886. The financial support is gratefully acknowledged. NR 16 TC 8 Z9 9 U1 3 U2 30 PU WILEY-BLACKWELL PI MALDEN PA COMMERCE PLACE, 350 MAIN ST, MALDEN 02148, MA USA SN 1861-4728 J9 CHEM-ASIAN J JI Chem.-Asian J. PD DEC 2 PY 2011 VL 6 IS 12 BP 3306 EP 3311 DI 10.1002/asia.201100422 PG 6 WC Chemistry, Multidisciplinary SC Chemistry GA 853XL UT WOS:000297458900018 PM 21936059 ER PT J AU Zelinka, MD Hartmann, DL AF Zelinka, Mark D. Hartmann, Dennis L. TI The observed sensitivity of high clouds to mean surface temperature anomalies in the tropics SO JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES LA English DT Article ID ADAPTIVE INFRARED IRIS; DEEP CONVECTIVE SYSTEMS; 1998 EL-NINO; ENVIRONMENTAL-CONDITIONS; STATISTICAL-ANALYSES; CLIMATE FEEDBACKS; OBJECT DATA; NO EVIDENCE; HYPOTHESIS; SATELLITE AB Cloud feedback represents the source of largest diversity in projections of future warming. Observational constraints on both the sign and magnitude of the feedback are limited, since it is unclear how the natural variability that can be observed is related to secular climate change, and analyses have rarely been focused on testable physical theories for how clouds should respond to climate change. In this study we use observations from a suite of satellite instruments to assess the sensitivity of tropical high clouds to interannual tropical mean surface temperature anomalies. We relate cloud changes to a physical governing mechanism that is sensitive to the vertical structure of warming. Specifically, we demonstrate that the mean and interannual variability in both the altitude and fractional coverage of tropical high clouds as measured by CloudSat, the Moderate Resolution Imaging Spectroradiometer, the Atmospheric Infrared Sounder, and the International Satellite Cloud Climatology Project are well diagnosed by upper tropospheric convergence computed from the mass and energy budget of the clear-sky atmosphere. Observed high clouds rise approximately isothermally in accordance with theory and exhibit an overall reduction in coverage when the tropics warms, similar to their behavior in global warming simulations. Such cloud changes cause absorbed solar radiation to increase more than does outgoing longwave radiation, resulting in a positive but statistically insignificant net high cloud feedback in response to El Nino-Southern Oscillation. The results suggest that the convergence metric based on simple mass and energy budget constraints may be a powerful tool for understanding observed and modeled high cloud behavior and for evaluating the realism of modeled high cloud changes in response to a variety of forcings. C1 [Zelinka, Mark D.; Hartmann, Dennis L.] Univ Washington, Dept Atmospher Sci, Seattle, WA 98195 USA. [Zelinka, Mark D.] Lawrence Livermore Natl Lab, Program Climate Model Diag & Intercomparison, Livermore, CA 94551 USA. RP Zelinka, MD (reprint author), Univ Washington, Dept Atmospher Sci, POB 351640, Seattle, WA 98195 USA. EM zelinka1@llnl.gov; dennis@atmos.washington.edu RI Zelinka, Mark/C-4627-2011 OI Zelinka, Mark/0000-0002-6570-5445 FU NASA [NNX09AH73G, NNX06AF69H]; Lawrence Livermore National Laboratory (LLNL); Lawrence Livermore National Laboratory, U.S. Department of Energy [DE-AC52-07NA27344] FX This research was supported by NASA grant NNX09AH73G, by NASA Earth and Space Science Fellowship NNX06AF69H, and by the Lawrence Livermore National Laboratory (LLNL) Institutional Postdoctoral Program. We thank Rob Wood for useful discussions and suggestions for improvement, Hui Su and two anonymous reviewers for detailed criticisms and comments on the paper, and Marc Michelsen for computer support. AIRS and MLS data used in this effort are archived and distributed by the Goddard Earth Sciences Data and Information Services Center. MODIS data are distributed by the Level 1 and Atmosphere Archive and Distribution System. CloudSat data are provided courtesy of the NASA CloudSat project. The GCM simulator-oriented ISCCP cloud product is provided courtesy of Y. Zhang at LLNL. CERES data were obtained from the NASA Langley Research Center EOSDIS Distributed Active Archive Center. ERA Interim data are provided by the European Centre for Medium-Range Weather Forecasts. HadCRUT3v data are provided by the Climatic Research Unit at the University of East Anglia, United Kingdom. This work was performed under the auspices of the U.S. Department of Energy by Lawrence Livermore National Laboratory under contract DE-AC52-07NA27344. NR 50 TC 30 Z9 30 U1 1 U2 27 PU AMER GEOPHYSICAL UNION PI WASHINGTON PA 2000 FLORIDA AVE NW, WASHINGTON, DC 20009 USA SN 2169-897X J9 J GEOPHYS RES-ATMOS JI J. Geophys. Res.-Atmos. PD DEC 2 PY 2011 VL 116 AR D23103 DI 10.1029/2011JD016459 PG 16 WC Meteorology & Atmospheric Sciences SC Meteorology & Atmospheric Sciences GA 856PJ UT WOS:000297654900003 ER PT J AU Forst, M Tobey, RI Wall, S Bromberger, H Khanna, V Cavalieri, AL Chuang, YD Lee, WS Moore, R Schlotter, WF Turner, JJ Krupin, O Trigo, M Zheng, H Mitchell, JF Dhesi, SS Hill, JP Cavalleri, A AF Foerst, M. Tobey, R. I. Wall, S. Bromberger, H. Khanna, V. Cavalieri, A. L. Chuang, Y. -D. Lee, W. S. Moore, R. Schlotter, W. F. Turner, J. J. Krupin, O. Trigo, M. Zheng, H. Mitchell, J. F. Dhesi, S. S. Hill, J. P. Cavalleri, A. TI Driving magnetic order in a manganite by ultrafast lattice excitation SO PHYSICAL REVIEW B LA English DT Article ID CHARGE; MAGNETORESISTANCE; LA0.5SR1.5MNO4; DISTORTION AB Femtosecond midinfrared pulses are used to directly excite the lattice of the single-layer manganite La(0.5)Sr(1.5)MnO(4). Magnetic and orbital orders, as measured by femtosecond resonant soft x-ray diffraction with an x-ray free-electron laser, are reduced within a few picoseconds. This effect is interpreted as a displacive exchange quench, a prompt shift in the equilibrium value of the magnetic-and orbital-order parameters after the lattice has been distorted. Control of magnetism through ultrafast lattice excitation may be of use for high-speed optomagnetism. C1 [Foerst, M.; Bromberger, H.; Khanna, V.; Cavalieri, A. L.; Cavalleri, A.] Univ Hamburg, Max Planck Dept Struct Dynam, Ctr Free Electron Laser Sci, Hamburg, Germany. [Tobey, R. I.; Hill, J. P.] Brookhaven Natl Lab, Condensed Matter Phys & Mat Sci Dept, Upton, NY 11973 USA. [Wall, S.] Max Planck Soc, Fritz Haber Inst, Berlin, Germany. [Khanna, V.; Cavalleri, A.] Univ Oxford, Dept Phys, Clarendon Lab, Oxford OX1 3PU, England. [Chuang, Y. -D.] Univ Calif Berkeley, Lawrence Berkeley Lab, Adv Light Source, Berkeley, CA 94720 USA. [Lee, W. S.; Moore, R.] Stanford Linear Accelerator Ctr Natl Accelerator, SIMES, Menlo Pk, CA 94025 USA. [Lee, W. S.; Moore, R.] Stanford Univ, Menlo Pk, CA 94025 USA. [Schlotter, W. F.; Turner, J. J.] Stanford Linear Accelerator Ctr SLAC Natl Acceler, Linac Coherent Light Source, Menlo Pk, CA 94025 USA. [Krupin, O.] European XFEL GmbH, Hamburg, Germany. [Trigo, M.] Stanford Linear Accelerator Ctr SLAC Natl Acceler, PULSE Inst, Menlo Pk, CA 94025 USA. [Zheng, H.; Mitchell, J. F.] Argonne Natl Lab, Div Mat Sci, Argonne, IL 60439 USA. [Dhesi, S. S.] Diamond Light Source, Didcot, Oxon, England. RP Forst, M (reprint author), Univ Hamburg, Max Planck Dept Struct Dynam, Ctr Free Electron Laser Sci, Hamburg, Germany. EM michael.foerst@mpsd.cfel.de; andrea.cavalleri@mpsd.cfel.de RI Forst, Michael/D-8924-2012; Wall, Simon/E-3771-2012 OI Wall, Simon/0000-0002-6136-0224 FU Max Planck Society; LCLS; Stanford University through Stanford Institute for Materials Energy Sciences (SIMES); Berkeley National Laboratory (LBNL), University of Hamburg through the BMBF [FSP 301]; Center for Free Electron Laser Science (CFEL); US Department of Energy, Division of Materials Science [DE-AC02-98CH10886]; UChicago Argonne, LLC [DE-AC02-06CH11357]; Alexander von Humboldt Foundation FX The authors acknowledge stimulating conversations with S. B. Wilkins and R. Merlin. This work was funded by the Max Planck Society through institutional support for the Max Planck Research Group for Structural Dynamics at the University of Hamburg. Portions of this research were carried out on the SXR Instrument at the Linac Coherent Light Source (LCLS), a division of SLAC National Accelerator Laboratory and an Office of Science user facility operated by Stanford University for the US Department of Energy. The SXR Instrument is funded by a consortium whose membership includes the LCLS, Stanford University through the Stanford Institute for Materials Energy Sciences (SIMES), Lawrence Berkeley National Laboratory (LBNL), University of Hamburg through the BMBF priority program FSP 301, and the Center for Free Electron Laser Science (CFEL). Work performed at Brookhaven was supported by US Department of Energy, Division of Materials Science under Contract No. DE-AC02-98CH10886. Work at Argonne is supported under Contract No. DE-AC02-06CH11357 by UChicago Argonne, LLC, Operator of Argonne National Laboratory, a US Department of Energy Office of Science Laboratory. S. Wall acknowledges support from the Alexander von Humboldt Foundation. NR 34 TC 59 Z9 59 U1 1 U2 54 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1098-0121 J9 PHYS REV B JI Phys. Rev. B PD DEC 2 PY 2011 VL 84 IS 24 AR 241104 DI 10.1103/PhysRevB.84.241104 PG 5 WC Physics, Condensed Matter SC Physics GA 857ZS UT WOS:000297765900001 ER PT J AU Hase, M Matsuda, M Kaneko, K Metoki, N Kakurai, K Yang, T Cong, RH Lin, JH Ozawa, K Kitazawa, H AF Hase, Masashi Matsuda, Masaaki Kaneko, Koji Metoki, Naoto Kakurai, Kazuhisa Yang, Tao Cong, Rihong Lin, Jianhua Ozawa, Kiyoshi Kitazawa, Hideaki TI Magnetic excitations in the spin-5/2 antiferromagnetic trimer substance SrMn3P4O14 SO PHYSICAL REVIEW B LA English DT Article ID SINGLE-CRYSTAL CU1-XZNXGEO3; NEUTRON-SCATTERING; GROUND-STATE; PEIERLS TRANSITION; CUGEO3; FIELD; GAP; SR(CU1-XZNX)(2)O-3; CSCUCL3; CUPRATE AB A quantum-mechanical 1/3 magnetization plateau and magnetic long-range order appear in the large-spin (5/2) substance SrMn3P4O14. Previous magnetization results suggest that the spin system consists of antiferromagnetic trimers that are weakly coupled with one another. We inferred that the magnetization plateau originated from discrete energy levels of the trimer. In order to confirm the discrete energy levels, we performed inelastic neutron-scattering experiments on SrMn3P4O14 powders. Observed magnetic excitations are consistent with excitations expected in the trimer model. C1 [Hase, Masashi; Ozawa, Kiyoshi; Kitazawa, Hideaki] Natl Inst Mat Sci, Tsukuba, Ibaraki 3050047, Japan. [Matsuda, Masaaki; Kaneko, Koji; Metoki, Naoto; Kakurai, Kazuhisa] Japan Atom Energy Agcy, Naka, Ibaraki 3191195, Japan. [Matsuda, Masaaki] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA. [Yang, Tao; Cong, Rihong; Lin, Jianhua] Peking Univ, Coll Chem & Mol Engn, Beijing 100871, Peoples R China. RP Hase, M (reprint author), Natl Inst Mat Sci, 1-2-1 Sengen, Tsukuba, Ibaraki 3050047, Japan. EM HASE.Masashi@nims.go.jp RI Hase, Masashi/B-8900-2008; Matsuda, Masaaki/A-6902-2016 OI Hase, Masashi/0000-0003-2717-461X; Matsuda, Masaaki/0000-0003-2209-9526 FU NIMS FX We are grateful to T. Masuda for invaluable discussions. The neutron-scattering experiments were carried out in the framework of JAEA Users' Program and within the NIMS-RIKEN-JAEA Cooperative Research Program on Quantum Beam Science and Technology. This work was partially supported by grants from NIMS. NR 30 TC 7 Z9 7 U1 4 U2 16 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1098-0121 J9 PHYS REV B JI Phys. Rev. B PD DEC 2 PY 2011 VL 84 IS 21 AR 214402 DI 10.1103/PhysRevB.84.214402 PG 6 WC Physics, Condensed Matter SC Physics GA 857YJ UT WOS:000297761200002 ER PT J AU Yan, JQ Zhou, JS Cheng, JG Goodenough, JB Ren, Y Llobet, A McQueeney, RJ AF Yan, J-Q. Zhou, J-S. Cheng, J. G. Goodenough, J. B. Ren, Y. Llobet, A. McQueeney, R. J. TI Spin and orbital ordering in Y1-xLaxVO3 SO PHYSICAL REVIEW B LA English DT Article ID HEAT AB The spin and orbital ordering in Y1-xLaxVO3 (0.30 <= x <= 1.0) has been studied to map out the phase diagram over the whole doping range 0 <= x <= 1. The phase diagram is compared with that for RVO3 (R = rare earth or Y) perovskites without A-site variance. For x > 0.20, no long-range orbital ordering was observed above the magnetic ordering temperature T-N; the magnetic order is accompanied by a lattice anomaly at a T-t <= T-N as in LaVO3. The magnetic ordering below T-t <= T-N is G type in the compositional range 0.20 <= x <= 0.40 and C type in the range 0.738 <= x <= 1.0. Magnetization and neutron powder diffraction measurements point to the coexistence below T-N of the two magnetic phases in the compositional range 0.4 < x < 0.738. Samples in the compositional range 0.20 < x <= 1.0 are characterized by an additional suppression of a glasslike thermal conductivity in the temperature interval T-N < T < T* and a change in the slope of 1/chi(T). We argue that T* represents a temperature below which spin and orbital fluctuations couple together via lambda L center dot S. C1 [Yan, J-Q.; McQueeney, R. J.] US DOE, Ames Lab, Ames, IA 50011 USA. [Zhou, J-S.; Cheng, J. G.; Goodenough, J. B.] Univ Texas Austin, Mat Sci Program Mech Engn, Austin, TX 78712 USA. [Ren, Y.] Argonne Natl Lab, Xray Sci Div, Argonne, IL 60439 USA. [Llobet, A.] Los Alamos Natl Lab, Lujan Neutron Scattering Ctr, Los Alamos Neutron Sci Ctr, Los Alamos, NM 87545 USA. [McQueeney, R. J.] Iowa State Univ, Dept Phys & Astron, Ames, IA 50011 USA. RP Yan, JQ (reprint author), Univ Tennessee, Dept Mat Sci & Engn, Knoxville, TN 37996 USA. EM jqyan@utk.edu RI Llobet, Anna/B-1672-2010; Cheng, Jinguang/A-8342-2012; Lujan Center, LANL/G-4896-2012; McQueeney, Robert/A-2864-2016 OI McQueeney, Robert/0000-0003-0718-5602 FU NSF [DMR 0904282, DMR 1122603]; Robert A. Welch Foundation of Houston, TX [F-1066]; Division of Materials Sciences and Engineering, Office of Basic Energy Sciences, US Department of Energy (US DOE); US DOE by Iowa State University [DE-AC02-07CH11358]; DOE Office of Basic Energy Sciences; DOE [DE-AC52-06NA25396]; US Department of Energy, Division of Basic Energy Science [DE-AC02-CH11357] FX J.Q.Y. thanks D. Khomskii for helpful discussion. J.Q.Y and R.J.M thank P. C. Canfield for enabling part of the magnetization measurements. J.S.Z., J.G.C., and J.B.G. thank the NSF (DMR 0904282, DMR 1122603) and the Robert A. Welch Foundation of Houston, TX (Grant F-1066), for financial support. This work was supported by the Division of Materials Sciences and Engineering, Office of Basic Energy Sciences, US Department of Energy (US DOE). Ames Laboratory is operated for the US DOE by Iowa State University under Contract No. DE-AC02-07CH11358. This work has benefited from the use of HIPD at the Lujan Center at Los Alamos Neutron Science Center, funded by DOE Office of Basic Energy Sciences. Los Alamos National Laboratory is operated by Los Alamos National Security LLC under DOE Contract No. DE-AC52-06NA25396. Work at Argonne National Laboratory is supported by the US Department of Energy, Division of Basic Energy Science, under Contract No. DE-AC02-CH11357. NR 18 TC 13 Z9 13 U1 3 U2 31 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1098-0121 J9 PHYS REV B JI Phys. Rev. B PD DEC 2 PY 2011 VL 84 IS 21 AR 214405 DI 10.1103/PhysRevB.84.214405 PG 8 WC Physics, Condensed Matter SC Physics GA 857YJ UT WOS:000297761200005 ER PT J AU Dion, M Paquet, JF Schenke, B Young, C Jeon, S Gale, C AF Dion, Maxime Paquet, Jean-Francois Schenke, Bjoern Young, Clint Jeon, Sangyong Gale, Charles TI Viscous photons in relativistic heavy ion collisions SO PHYSICAL REVIEW C LA English DT Article ID QUARK-GLUON PLASMA; KINETIC-THEORY; THERMODYNAMICS; COLLABORATION; PERSPECTIVE; DYNAMICS AB Theoretical studies of the production of real thermal photons in relativistic heavy ion collisions at the Relativistic Heavy Ion Collider (RHIC) are performed. The space-time evolution of the colliding system is modelled using MUSIC, a 3+1D relativistic hydrodynamic simulation, using both its ideal and viscous versions. The inclusive spectrum and its azimuthal angular anisotropy are studied separately, and the relative contributions of the different photon sources are highlighted. It is shown that the photon v(2) coefficient is especially sensitive to the details of the microscopic dynamics like the equation of state, the ratio of shear viscosity over entropy density,eta/s, and to the morphology of the initial state. C1 [Dion, Maxime; Paquet, Jean-Francois; Young, Clint; Jeon, Sangyong; Gale, Charles] McGill Univ, Dept Phys, Montreal, PQ H3A 2T8, Canada. [Schenke, Bjoern] Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA. RP Dion, M (reprint author), McGill Univ, Dept Phys, 3600 Univ St, Montreal, PQ H3A 2T8, Canada. FU Natural Sciences and Engineering Research Council of Canada; Fonds de recherche du Quebec - Nature et technologies; US Department of Energy DOE [DE-AC02-98CH10886]; Laboratory Directed Research and Development Grant from Brookhaven Science Associates; Hydro-Quebec FX This work was funded in part by the Natural Sciences and Engineering Research Council of Canada, in part by the Fonds de recherche du Quebec - Nature et technologies, in part by the US Department of Energy under DOE Contract No. DE-AC02-98CH10886, and in part by a Laboratory Directed Research and Development Grant from Brookhaven Science Associates. J.-F.P. acknowledges support via a graduate grant from Hydro-Quebec. NR 50 TC 64 Z9 64 U1 0 U2 1 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 2469-9985 EI 2469-9993 J9 PHYS REV C JI Phys. Rev. C PD DEC 2 PY 2011 VL 84 IS 6 AR 064901 DI 10.1103/PhysRevC.84.064901 PG 13 WC Physics, Nuclear SC Physics GA 858AM UT WOS:000297768100006 ER PT J AU Jensen, K Kachru, S Karch, A Polchinski, J Silverstein, E AF Jensen, Kristan Kachru, Shamit Karch, Andreas Polchinski, Joseph Silverstein, Eva TI Towards a holographic marginal Fermi liquid SO PHYSICAL REVIEW D LA English DT Article ID 3-DIMENSIONAL O(N) THEORIES; FIELD-THEORIES; SUPERGRAVITY; GEOMETRY; STRINGS AB We present an infinite class of 2 + 1-dimensional field theories which, after coupling to semiholographic fermions, exhibit strange metallic behavior in a suitable large N limit. These theories describe lattices of hypermultiplet defects interacting with parity-preserving supersymmetric Chern-Simons theories with U(N) x U(N) gauge groups at levels +/- k. They have dual anti-de Sitter (AdS) gravity descriptions in terms of lattices of probe M2-branes in AdS(4) x S-7/Z(k) (for N >> 1, N >> k(5)) or probe D2-branes in AdS(4) x CP3 (for N >> k >> 1, N << k(5)). We discuss several challenges one faces in maintaining the success of these models at finite N, including backreaction of the probes in the gravity solutions and radiative corrections in the weakly coupled field theory limit. C1 [Jensen, Kristan] Univ Victoria, Dept Phys, Victoria, BC V8W 3P6, Canada. [Kachru, Shamit; Silverstein, Eva] Stanford Univ, Dept Phys, Stanford, CA 94305 USA. [Kachru, Shamit; Silverstein, Eva] SLAC, Stanford, CA 94305 USA. [Karch, Andreas] Univ Washington, Dept Phys, Seattle, WA 98195 USA. [Polchinski, Joseph] Univ Calif Santa Barbara, KITP, Santa Barbara, CA 93106 USA. [Polchinski, Joseph] Univ Calif Santa Barbara, Dept Phys, Santa Barbara, CA 93106 USA. RP Jensen, K (reprint author), Univ Victoria, Dept Phys, Victoria, BC V8W 3P6, Canada. FU National Science Foundation [PHY-02-44728, PHY05-51164, PHY07-57035]; DOE [DE-AC03-76SF00515, DE-FG02-96ER40956]; NSERC, Canada FX We would like to thank S. Kivelson, M. Mulligan, S. Sachdev, and C. Varma for interesting discussions. We thank S. Hartnoll and J. McGreevy for a correction to the volume dependence of (20). K. J., S. K., A. K. and E. S. acknowledge the hospitality of the Aspen Center for Physics while this work was in progress. S. K. also acknowledges the hospitality of the organizers of the 5th Asian Winter School at Jeju Island, and thanks the participants for asking many interesting questions about related subjects. This research was supported in part by the National Science Foundation under Grants No. PHY-02-44728, No. PHY05-51164, and No. PHY07-57035, and by the DOE under Contracts No. DE-AC03-76SF00515 and No. DE-FG02-96ER40956. K. J. was supported by NSERC, Canada. NR 38 TC 36 Z9 36 U1 0 U2 2 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1550-7998 J9 PHYS REV D JI Phys. Rev. D PD DEC 2 PY 2011 VL 84 IS 12 AR 126002 DI 10.1103/PhysRevD.84.126002 PG 9 WC Astronomy & Astrophysics; Physics, Particles & Fields SC Astronomy & Astrophysics; Physics GA 858IQ UT WOS:000297790300016 ER PT J AU Edson, JB Spencer, LP Boncella, JM AF Edson, Joseph B. Spencer, Liam P. Boncella, James M. TI Photorelease of Primary Aliphatic and Aromatic Amines by Visible-Light-Induced Electron Transfer SO ORGANIC LETTERS LA English DT Article ID PHOTOLABILE PROTECTING GROUPS; CARBOXYLIC-ACIDS; N-METHYL-4-PICOLINIUM ESTERS; PHOTOLYTIC RELEASE; PHOSPHATE-ESTERS; STATE; PHOTOGENERATION; PHOTOCHEMISTRY; PHOTOTRIGGERS; SULFONAMIDES AB Visible-light-absorbing tris(bipyridyl)ruthenium(II) has been used to mediate electron transfer to N-methylpicolinium carbamates that undergo C-O bond fragmentation followed by spontaneous carbon dioxide release to give free amines. Release of several aliphatic and aromatic primary amines has been demonstrated under mild conditions using visible light. C1 [Edson, Joseph B.; Spencer, Liam P.; Boncella, James M.] Los Alamos Natl Lab, Mat Phys & Applicat Div, Los Alamos, NM 87545 USA. RP Boncella, JM (reprint author), Los Alamos Natl Lab, Mat Phys & Applicat Div, POB 1663, Los Alamos, NM 87545 USA. EM boncella@lanl.gov OI Boncella, James/0000-0001-8393-392X FU NASA [NNH08AI88I]; LANL LDRD FX We thank the NASA exobiology program, Grant Number NNH08AI88I, for funding. We also wish to thank the LANL LDRD program for partial support of this work. NR 46 TC 25 Z9 25 U1 2 U2 24 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 1523-7060 J9 ORG LETT JI Org. Lett. PD DEC 2 PY 2011 VL 13 IS 23 BP 6156 EP 6159 DI 10.1021/ol202456d PG 4 WC Chemistry, Organic SC Chemistry GA 851MJ UT WOS:000297274700006 PM 22046963 ER PT J AU Santer, BD Wigley, TML Taylor, KE AF Santer, B. D. Wigley, T. M. L. Taylor, K. E. TI The Reproducibility of Observational Estimates of Surface and Atmospheric Temperature Change SO SCIENCE LA English DT Editorial Material ID LOWER-TROPOSPHERIC TEMPERATURE; DATA SET; TRENDS AB Although concerns have been expressed about the reliability of surface temperature data sets, findings of pronounced surface warming over the past 60 years have been independently reproduced by multiple groups. In contrast, an initial finding that the lower troposphere cooled since 1979 could not be reproduced. Attempts to confirm this apparent cooling trend led to the discovery of errors in the initial analyses of satellite-based tropospheric temperature measurements. C1 [Santer, B. D.; Taylor, K. E.] Lawrence Livermore Natl Lab, Program Climate Model Diag & Intercomparison, Livermore, CA 94550 USA. [Wigley, T. M. L.] Natl Ctr Atmospher Res, Boulder, CO 80307 USA. RP Santer, BD (reprint author), Lawrence Livermore Natl Lab, Program Climate Model Diag & Intercomparison, Livermore, CA 94550 USA. EM santer1@llnl.gov RI Santer, Benjamin/F-9781-2011; Taylor, Karl/F-7290-2011 OI Taylor, Karl/0000-0002-6491-2135 NR 19 TC 16 Z9 16 U1 1 U2 9 PU AMER ASSOC ADVANCEMENT SCIENCE PI WASHINGTON PA 1200 NEW YORK AVE, NW, WASHINGTON, DC 20005 USA SN 0036-8075 J9 SCIENCE JI Science PD DEC 2 PY 2011 VL 334 IS 6060 BP 1232 EP 1233 DI 10.1126/science.1216273 PG 2 WC Multidisciplinary Sciences SC Science & Technology - Other Topics GA 855HD UT WOS:000297553600038 PM 22144617 ER PT J AU Ice, GE Budai, JD Pang, JWL AF Ice, Gene E. Budai, John D. Pang, Judy W. L. TI The Race to X-ray Microbeam and Nanobeam Science SO SCIENCE LA English DT Review ID SYNCHROTRON-RADIATION; DEFORMED METALS; GRAINS; RESOLUTION; BEAM; MICRODIFFRACTION; DIFFRACTION; MICROSCOPY; RECEPTOR; ELEMENTS AB X-ray microbeams are an emerging characterization tool with broad implications for science, ranging from materials structure and dynamics, to geophysics and environmental science, to biophysics and protein crystallography. We describe how submicrometer hard x-ray beams with the ability to penetrate tens to hundreds of micrometers into most materials and with the ability to determine local composition, chemistry, and (crystal) structure can characterize buried sample volumes and small samples in their natural or extreme environments. Beams less than 10 nanometers have already been demonstrated, and the practical limit for hard x-ray beam size, the limit to trace-element sensitivity, and the ultimate limitations associated with near-atomic structure determinations are the subject of ongoing research. C1 [Ice, Gene E.; Budai, John D.; Pang, Judy W. L.] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA. RP Ice, GE (reprint author), Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA. EM icege@ornl.gov RI Budai, John/R-9276-2016 OI Budai, John/0000-0002-7444-1306 FU U.S. Department of Energy (DOE), Office of Basic Energy Sciences, Materials Sciences and Engineering Division [DE-AC05-00OR22725]; UT-Battelle, LLC FX Research sponsored by the U.S. Department of Energy (DOE), Office of Basic Energy Sciences, Materials Sciences and Engineering Division under contract DE-AC05-00OR22725 with UT-Battelle, LLC. Research included use of beamline 34-ID at the Advanced Photon Source, a U. S. DOE Office of Science User Facility. NR 52 TC 112 Z9 112 U1 10 U2 95 PU AMER ASSOC ADVANCEMENT SCIENCE PI WASHINGTON PA 1200 NEW YORK AVE, NW, WASHINGTON, DC 20005 USA SN 0036-8075 EI 1095-9203 J9 SCIENCE JI Science PD DEC 2 PY 2011 VL 334 IS 6060 BP 1234 EP 1239 DI 10.1126/science.1202366 PG 6 WC Multidisciplinary Sciences SC Science & Technology - Other Topics GA 855HD UT WOS:000297553600039 PM 22144618 ER PT J AU Subbaraman, R Tripkovic, D Strmcnik, D Chang, KC Uchimura, M Paulikas, AP Stamenkovic, V Markovic, NM AF Subbaraman, Ram Tripkovic, Dusan Strmcnik, Dusan Chang, Kee-Chul Uchimura, Masanobu Paulikas, Arvydas P. Stamenkovic, Vojislav Markovic, Nenad M. TI Enhancing Hydrogen Evolution Activity in Water Splitting by Tailoring Li+-Ni(OH)(2)-Pt Interfaces SO SCIENCE LA English DT Article ID RAY-ABSORPTION SPECTROSCOPY; SINGLE-CRYSTAL SURFACES; CO ELECTROOXIDATION; PLATINUM MONOLAYER; ALKALINE-SOLUTIONS; ACID-SOLUTIONS; ELECTRODES; ADSORPTION; OXIDATION; CATALYSTS AB Improving the sluggish kinetics for the electrochemical reduction of water to molecular hydrogen in alkaline environments is one key to reducing the high overpotentials and associated energy losses in water-alkali and chlor-alkali electrolyzers. We found that a controlled arrangement of nanometer-scale Ni (OH)(2) clusters on platinum electrode surfaces manifests a factor of 8 activity increase in catalyzing the hydrogen evolution reaction relative to state-of-the-art metal and metal-oxide catalysts. In a bifunctional effect, the edges of the Ni(OH)(2) clusters promoted the dissociation of water and the production of hydrogen intermediates that then adsorbed on the nearby Pt surfaces and recombined into molecular hydrogen. The generation of these hydrogen intermediates could be further enhanced via Li+-induced destabilization of the HO-H bond, resulting in a factor of 10 total increase in activity. C1 [Subbaraman, Ram; Tripkovic, Dusan; Strmcnik, Dusan; Chang, Kee-Chul; Uchimura, Masanobu; Paulikas, Arvydas P.; Stamenkovic, Vojislav; Markovic, Nenad M.] Argonne Natl Lab, Div Mat Sci, Lemont, IL 60559 USA. [Subbaraman, Ram] Argonne Natl Lab, Nucl Engn Div, Lemont, IL 60559 USA. [Uchimura, Masanobu] Nissan Res Ctr, Adv Mat Lab, Kanagawa 2378523, Japan. RP Markovic, NM (reprint author), Argonne Natl Lab, Div Mat Sci, Lemont, IL 60559 USA. EM nmmarkovic@anl.gov RI Chang, Kee-Chul/O-9938-2014 OI Chang, Kee-Chul/0000-0003-1775-2148 FU Office of Science, Office of Basic Energy Sciences, Division of Materials Sciences, U.S. Department of Energy [DE-AC02-06CH11357] FX Supported by the Office of Science, Office of Basic Energy Sciences, Division of Materials Sciences, U.S. Department of Energy, under contract DE-AC02-06CH11357. A patent application related to the materials and design presented here has been submitted. NR 48 TC 294 Z9 295 U1 57 U2 455 PU AMER ASSOC ADVANCEMENT SCIENCE PI WASHINGTON PA 1200 NEW YORK AVE, NW, WASHINGTON, DC 20005 USA SN 0036-8075 J9 SCIENCE JI Science PD DEC 2 PY 2011 VL 334 IS 6060 BP 1256 EP 1260 DI 10.1126/science.1211934 PG 5 WC Multidisciplinary Sciences SC Science & Technology - Other Topics GA 855HD UT WOS:000297553600045 PM 22144621 ER PT J AU Gaines, KF Summers, JW Cumbee, JC Stephens, WL Mills, GL AF Gaines, Karen F. Summers, Jay W. Cumbee, James C., Jr. Stephens, Warren L., Jr. Mills, Gary L. TI Is the LCP Superfund Site an Ecological Trap for Clapper Rails? SO SOUTHEASTERN NATURALIST LA English DT Article ID CONTAMINATED SALT-MARSH; COASTAL GEORGIA; EXPOSURE; POLLUTANTS; SELECTION; FEATHERS; MERCURY; SYSTEM; PCBS AB Rallus longirostris (Clapper Rail) is considered a good indicator species for toxicants because of its strong site fidelity and predictable diet of benthic organisms. High levels of the rare PCB Aroclor 1268 have been found in Clapper Rail adults, chicks, and eggs from the marshes associated with the Linden Chemical Plant (LCP) in Brunswick, GA. Recently, sampling and testing feathers has successfully been used as a non-lethal tool to trace exposure and assimilation of Aroclor 1268 in rails from the LCP site. This approach allows us to infer how and when these birds are exposed to contaminants in the marsh due to predictable molting patterns coupled with the fact that a feather will accumulate the toxicant only at the time it is grown. This study is the start of a process to investigate the possibility that this ecosystem contamination is the foundation of an ecological trap for Clapper Rails at the LCP site. Aroclor 1268 was isolated in Clapper Rail feathers from all birds collected from the contaminated marsh. This finding suggests that these birds either hatched or resided in this system the previous year and thus were not new recruits, which would be expected if fitness was being compromised from the contamination. Based on samples taken during the same fall and winter from the LCP site and control areas, the ratios of hatch-year (HY) birds to adults were similar. However, based on samples taken during the spring and summer, the ratios of HY birds to adults from LCP were lower than reported previously in studies in the southeast. This result suggests that the population age structure may have been affected by the contamination. Future studies specifically focused on reproductive success and fitness are needed at LCP and throughout the Brunswick estuary. C1 [Gaines, Karen F.; Summers, Jay W.] Eastern Illinois Univ, Dept Biol Sci, Charleston, IL 61920 USA. [Cumbee, James C., Jr.] USDA APHIS Wildlife Serv, Mississippi State, MS 39762 USA. [Stephens, Warren L., Jr.; Mills, Gary L.] Univ Georgia, Savannah River Ecol Lab, Aiken, SC 29802 USA. RP Gaines, KF (reprint author), Eastern Illinois Univ, Dept Biol Sci, 600 Lincoln Ave, Charleston, IL 61920 USA. EM kfgaines@eiu.edu FU US Fish and Wildlife Service, Brunswick, GA; Environmental Remediation Sciences Division of the Office of Biological and Environmental Research, US Department of Energy [DE-FC09-96-SR18546] FX We followed an animal welfare protocol approved by the University of Georgia Institutional Animal Care and Use Committee (A960205). We thank Eric Bollinger, Susan McRae, and 2 anonymous reviewers for critical review. We thank Greg Masson and Keith Hastie with the US Fish and Wildlife Service, Brunswick, GA for their support with this project. We thank Noelle Garvin for laboratory and field support. This research was also supported by the Environmental Remediation Sciences Division of the Office of Biological and Environmental Research, US Department of Energy, through Financial Assistance Award No. DE-FC09-96-SR18546 to the University of Georgia Research Foundation. NR 30 TC 2 Z9 2 U1 1 U2 18 PU HUMBOLDT FIELD RESEARCH INST PI STEUBEN PA PO BOX 9, STEUBEN, ME 04680-0009 USA SN 1528-7092 EI 1938-5412 J9 SOUTHEAST NAT JI Southeast. Nat. PD DEC PY 2011 VL 10 IS 4 BP 703 EP 712 DI 10.1656/058.010.0409 PG 10 WC Biodiversity Conservation; Ecology SC Biodiversity & Conservation; Environmental Sciences & Ecology GA 976TI UT WOS:000306607500009 ER PT J AU Bathe, S AF Bathe, S. CA PHENIX Collaboration TI PHENIX highlights SO JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS LA English DT Article ID QUARK-GLUON PLASMA; NUCLEUS-NUCLEUS COLLISIONS; COLOR GLASS CONDENSATE; AZIMUTHAL CORRELATIONS; PARTON SATURATION; ENERGY-LOSS; QCD; COLLABORATION; PERSPECTIVE; MATTER AB Results from RHIC led to the discovery of the strongly coupled quarkgluon plasma (sQGP), a state of the QCD vacuum. In order to arrive at a coherent picture of this state, both the properties of the sQGP and the conditions under which the sQGP is measured have to be established. In this paper, we present recent experimental results of the PHENIX Collaboration, further constraining the conditions and the properties of the sQGP at RHIC: measurement of direct photon elliptic flow provides strong constraints for hydrodynamic models employed to derive the initial temperature; measurement of nu(2) and v(3) disentangles effects from the initial state and eta/s; flow and R-AA measurements at lower root s extend the results to a regime at lower temperature and higher baryon density. C1 [Bathe, S.] CUNY Bernard M Baruch Coll, New York, NY 10010 USA. Brookhaven Natl Lab, RIKEN BNL Res Ctr, Upton, NY 11973 USA. RP Bathe, S (reprint author), CUNY Bernard M Baruch Coll, 17 Lexington Ave, New York, NY 10010 USA. EM stefan.bathe@baruch.cuny.edu NR 49 TC 3 Z9 3 U1 0 U2 0 PU IOP PUBLISHING LTD PI BRISTOL PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND SN 0954-3899 J9 J PHYS G NUCL PARTIC JI J. Phys. G-Nucl. Part. Phys. PD DEC PY 2011 VL 38 IS 12 AR 124001 DI 10.1088/0954-3899/38/12/124001 PG 7 WC Physics, Nuclear; Physics, Particles & Fields SC Physics GA 946SP UT WOS:000304375300002 ER PT J AU Bazavov, A Petreczky, P AF Bazavov, A. Petreczky, P. CA HotQCD Collaboration TI Study of chiral and deconfinement transition in lattice QCD with improved staggered actions SO JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS LA English DT Article ID RENORMALIZED POLYAKOV LOOP; FREE-ENERGY; TEMPERATURE AB We present results on the chiral and deconfinement properties of the QCD transition at finite temperature. We performed calculations using asqtad and HISQ/tree actions using lattices with temporal extent N-tau = 6, 8 and 12 allowing us to control the approach to the continuum limit. We analyze the chiral transition in terms of universal O(N) scaling functions. From peaks in the scaling functions we perform a simultaneous continuum extrapolation for HISQ/tree and asqtad to derive the critical temperature, T-c = 157 +/- 6 MeV. C1 [Bazavov, A.; Petreczky, P.; HotQCD Collaboration] Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA. RP Bazavov, A (reprint author), Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA. EM petreczk@bnl.gov FU US Department of Energy [DE-AC02-98CH10886] FX This work has been supported in part by contracts DE-AC02-98CH10886 with the US Department of Energy. The numerical calculations have been performed using the USQCD resources at Fermilab and JLab as well as the BlueGene/L at the New York Center for Computational Sciences (NYCCS). NR 14 TC 6 Z9 7 U1 0 U2 0 PU IOP PUBLISHING LTD PI BRISTOL PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND SN 0954-3899 J9 J PHYS G NUCL PARTIC JI J. Phys. G-Nucl. Part. Phys. PD DEC PY 2011 VL 38 IS 12 AR 124099 DI 10.1088/0954-3899/38/12/124099 PG 4 WC Physics, Nuclear; Physics, Particles & Fields SC Physics GA 946SP UT WOS:000304375300100 ER PT J AU Chirilli, GA AF Chirilli, Giovanni Antonio TI Next to leading order structure functions for DIS off a large nucleus SO JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS LA English DT Article AB We calculate the structure functions for DIS off a large nucleus at the NLO accuracy in alpha(s) using the operator product expansion (OPE) at high energy: we calculate the leading order and next-to-leading order (NLO) coefficient function of the OPE (the photon impact factor) and the evolution equation to the NLO of the relative Wilson lines operators. We obtain for the first time an analytic expression in coordinate space of the NLO photon impact factor. C1 Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Div Nucl Sci, Berkeley, CA 94720 USA. RP Chirilli, GA (reprint author), Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Div Nucl Sci, 1 Cyclotron Rd, Berkeley, CA 94720 USA. EM gchirilli@lbl.gov NR 24 TC 0 Z9 0 U1 0 U2 0 PU IOP PUBLISHING LTD PI BRISTOL PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND SN 0954-3899 J9 J PHYS G NUCL PARTIC JI J. Phys. G-Nucl. Part. Phys. PD DEC PY 2011 VL 38 IS 12 AR 124065 DI 10.1088/0954-3899/38/12/124065 PG 4 WC Physics, Nuclear; Physics, Particles & Fields SC Physics GA 946SP UT WOS:000304375300066 ER PT J AU Chiu, M AF Chiu, M. CA PHENIX Collaboration TI Cold nuclear matter physics at forward rapidities from d plus Au collisions in PHENIX SO JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS LA English DT Article ID SCATTERING AB We present measurements by the PHENIX experiment at the RHIC of di-hadron pair production in d+Au collisions where the particles in the pair are varied across a wide range of pseudorapidity, out to eta = 3.8. With di-hadrons, varying the p(T) and rapidity of the particles in the di-hadron pair allows studying any effects as a function of partonic x in the nucleus. These di-hadron measurements might probe down to parton momentum fractions x similar to 10(-3) in the gold nucleus, where the interesting possibility of observing gluon saturation effects at the RHIC is the greatest. Our measurements show that the correlated yield of back-to-back pairs in d+Au collisions is suppressed by up to an order of magnitude relative to p+p collisions, and increases with greater nuclear path thickness and with a selection for lower x in the Au nucleus. C1 [Chiu, M.; PHENIX Collaboration] Brookhaven Natl Lab, Upton, NY 11973 USA. RP Chiu, M (reprint author), Brookhaven Natl Lab, Upton, NY 11973 USA. EM chiu@bnl.gov NR 16 TC 1 Z9 1 U1 0 U2 1 PU IOP PUBLISHING LTD PI BRISTOL PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND SN 0954-3899 J9 J PHYS G NUCL PARTIC JI J. Phys. G-Nucl. Part. Phys. PD DEC PY 2011 VL 38 IS 12 AR 124121 DI 10.1088/0954-3899/38/12/124121 PG 4 WC Physics, Nuclear; Physics, Particles & Fields SC Physics GA 946SP UT WOS:000304375300121 ER PT J AU da Silva, CL AF da Silva, Cesar Luiz CA PHENIX Collaboration TI Recent heavy flavour and quarkonia measurements by the PHENIX experiment SO JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS LA English DT Article AB The discovery at the RHIC of large high-p(T) suppression and flow of electrons from heavy quarks has altered our view of the hot and dense matter formed in central Au+Au collisions at root s(NN) = 200 GeV. Meanwhile, the nuclear modification of the J/psi yield has shown weak energy density dependence when comparing measurements at CERN-SPS and at RHIC energies and measurements in different rapidities. PHENIX has carried out a comprehensive study of heavy quarks including a baseline measurement of heavy flavour, J/psi and gamma in p+p collisions, and the fractional contribution to J/psi from psi' and chi(c) decays. The initial state and other cold nuclear matter effectswere studied using a large data set collected in d+Au collisions. A modest nuclear modification factor of electrons from heavy flavour decays at mid-rapidity was observed in d+Au and in Cu+Cu collisions. We found a significant suppression of J/psi in d+Au for all rapidity ranges covered by PHENIX. This suppression is stronger at forward rapidity than at mid-rapidity and the dependence with the nuclear thickness is not linear. A similar suppression trend was also observed for gamma (1S+2S+3S) but with large statistical uncertainties. A more precise measurement of the J/psi yield in Au+Au collisions in the forward rapidity is consistent with our previous observation. The centrality dependence of the J/psi suppression also shows similar behaviour when looking at the data collected in Au+Au collisions at root s(NN) = 62 GeV and root s(NN) = 39 GeV, supporting previous comparisons with CERN-SPS data. C1 [da Silva, Cesar Luiz; PHENIX Collaboration] Los Alamos Natl Lab, Los Alamos, NM 87544 USA. RP da Silva, CL (reprint author), Los Alamos Natl Lab, POB 1663,H846, Los Alamos, NM 87544 USA. EM slash@bnl.gov NR 27 TC 2 Z9 2 U1 0 U2 0 PU IOP PUBLISHING LTD PI BRISTOL PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND SN 0954-3899 J9 J PHYS G NUCL PARTIC JI J. Phys. G-Nucl. Part. Phys. PD DEC PY 2011 VL 38 IS 12 AR 124031 DI 10.1088/0954-3899/38/12/124031 PG 8 WC Physics, Nuclear; Physics, Particles & Fields SC Physics GA 946SP UT WOS:000304375300032 ER PT J AU Ding, HT Francis, A Kaczmarek, O Karsch, F Satz, H Soldner, W AF Ding, H-T Francis, A. Kaczmarek, O. Karsch, F. Satz, H. Soeldner, W. TI Heavy quark diffusion from lattice QCD spectral functions SO JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS LA English DT Article AB We analyze the low-frequency part of charmonium spectral functions on large lattices close to the continuum limit in the temperature region 1.5 less than or similar to T/T-c less than or similar to 3 as well as for T similar or equal to 0.75T(c). We present evidence for the existence of a transport peak above T-c and its absence below T-c. The heavy quark diffusion constant is then estimated using the Kubo formula. As part of the calculation we also determine the temperature dependence of the signature for the charmonium bound state in the spectral function and discuss the fate of charmonium states in the hot medium. C1 [Ding, H-T; Karsch, F.] Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA. [Francis, A.; Kaczmarek, O.; Karsch, F.; Satz, H.] Univ Bielefeld, Fak Phys, D-33615 Bielefeld, Germany. [Soeldner, W.] Univ Regensburg, Inst Theoret Phys, D-93040 Regensburg, Germany. RP Ding, HT (reprint author), Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA. EM htding@bnl.gov OI Ding, Heng-Tong/0000-0003-0590-081X FU Deutsche Forschungsgemeinschaft [GRK 881]; US Department of Energy [DE-AC02-98CH10886] FX This work has been supported in part by the Deutsche Forschungsgemeinschaft under grant GRK 881 and by contract DE-AC02-98CH10886 with the US Department of Energy. HTD thanks G Moore for correspondences on NLO pQCD results of heavy quark diffusion. NR 16 TC 15 Z9 15 U1 0 U2 0 PU IOP PUBLISHING LTD PI BRISTOL PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND SN 0954-3899 J9 J PHYS G NUCL PARTIC JI J. Phys. G-Nucl. Part. Phys. PD DEC PY 2011 VL 38 IS 12 AR 124070 DI 10.1088/0954-3899/38/12/124070 PG 4 WC Physics, Nuclear; Physics, Particles & Fields SC Physics GA 946SP UT WOS:000304375300071 ER PT J AU Dion, M Gale, C Jeon, S Paquet, JF Schenke, B Young, C AF Dion, Maxime Gale, Charles Jeon, Sangyong Paquet, Jean-Francois Schenke, Bjoern Young, Clint TI Photons at the RHIC: the role of viscosity and of initial state fluctuations SO JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS LA English DT Article AB We study real photons produced in heavy-ion collisions at the RHIC, and we calculate their spectrum and its azimuthal momentum anisotropy. The photons from a variety of sources are included, and the interplay and the time evolution of those sources are modelled in a full 3D hydrodynamic simulation. We quantify the v(2) of thermal photons produced in ideal and viscous fluids, and the consequences of using different initial conditions are explored. C1 [Dion, Maxime; Gale, Charles; Jeon, Sangyong; Paquet, Jean-Francois; Young, Clint] McGill Univ, Dept Phys, Montreal, PQ H3A 2T8, Canada. [Schenke, Bjoern] Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA. RP Dion, M (reprint author), McGill Univ, Dept Phys, 3600 Univ St, Montreal, PQ H3A 2T8, Canada. EM gale@physics.mcgill.ca FU Natural Sciences and Engineering Research Council of Canada; Fonds Nature et Technologies of the Government of Quebec; Brookhaven Science Associates FX This work was supported in part by the Natural Sciences and Engineering Research Council of Canada, in part by the Fonds Nature et Technologies of the Government of Quebec and in part by a Laboratory Directed Research and Development (LDRD) grant from Brookhaven Science Associates. NR 16 TC 13 Z9 13 U1 0 U2 2 PU IOP PUBLISHING LTD PI BRISTOL PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND SN 0954-3899 EI 1361-6471 J9 J PHYS G NUCL PARTIC JI J. Phys. G-Nucl. Part. Phys. PD DEC PY 2011 VL 38 IS 12 AR 124138 DI 10.1088/0954-3899/38/12/124138 PG 4 WC Physics, Nuclear; Physics, Particles & Fields SC Physics GA 946SP UT WOS:000304375300138 ER PT J AU Dusling, K Gelis, F Venugopalan, R AF Dusling, Kevin Gelis, Francois Venugopalan, Raju TI Ekpyrosis and inflationary dynamics in heavy ion collisions: the role of quantum fluctuations SO JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS LA English DT Article ID GLUON DISTRIBUTION-FUNCTIONS; STRONG EXTERNAL SOURCES; COLOR GLASS CONDENSATE; TRANSVERSE-MOMENTUM; NUCLEAR COLLISIONS AB We summarize recent significant progress in the development of a first-principle formalism to describe the formation and evolution of matter in very high energy heavy ion collisions. The key role of quantum fluctuations both before and after a collision is emphasized. Systematic computations are now feasible to address early time dynamics essential for quantifying properties of strongly interacting quark-gluon matter. C1 [Dusling, Kevin] N Carolina State Univ, Dept Phys, Raleigh, NC 27695 USA. [Gelis, Francois] CEA DSM Saclay, Inst Phys Theor, CNRS, URA 2306, F-91191 Gif Sur Yvette, France. [Venugopalan, Raju] Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA. RP Dusling, K (reprint author), N Carolina State Univ, Dept Phys, Raleigh, NC 27695 USA. EM raju@bnl.gov OI Dusling, Kevin/0000-0001-9598-0416 FU US Department of Energy under DOE [DE-AC02-98CH10886, DE-FG02-03ER41260] FX RV and KD are supported by the US Department of Energy under DOE Contract DE-AC02-98CH10886 and DE-FG02-03ER41260. NR 30 TC 2 Z9 2 U1 0 U2 0 PU IOP PUBLISHING LTD PI BRISTOL PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND SN 0954-3899 J9 J PHYS G NUCL PARTIC JI J. Phys. G-Nucl. Part. Phys. PD DEC PY 2011 VL 38 IS 12 AR 124120 DI 10.1088/0954-3899/38/12/124120 PG 4 WC Physics, Nuclear; Physics, Particles & Fields SC Physics GA 946SP UT WOS:000304375300120 ER PT J AU Fries, RJ He, M Rapp, R AF Fries, R. J. He, M. Rapp, R. TI Quark recombination and heavy quark diffusion in hot nuclear matter SO JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS LA English DT Article AB We discuss resonance recombination for quarks and show that it is compatible with quark and hadron distributions in local thermal equilibrium. We then calculate realistic heavy quark phase space distributions in heavy ion collisions using Langevin simulations with non-perturbative T-matrix interactions in hydrodynamic backgrounds. We hadronize the heavy quarks on the critical hypersurface given by hydrodynamics after constructing a criterion for the relative recombination and fragmentation contributions. We discuss the influence of recombination and flow on the resulting heavy meson and single electron R-AA and elliptic flow. We will also comment on the effect of diffusion of open heavy flavor mesons in the hadronic phase. C1 [Fries, R. J.; He, M.; Rapp, R.] Texas A&M Univ, Inst Cyclotron, College Stn, TX 77843 USA. [Fries, R. J.; He, M.; Rapp, R.] Texas A&M Univ, Dept Phys & Astron, College Stn, TX USA. [Fries, R. J.] Brookhaven Natl Lab, RIKEN BNL Res Ctr, Upton, NY 11973 USA. RP Fries, RJ (reprint author), Texas A&M Univ, Inst Cyclotron, College Stn, TX 77843 USA. EM rjfries@comp.tamu.edu FU US National Science Foundation (NSF) [PHY-0847538, PHY-0969394]; A-v-Humboldt Foundation; RIKEN/BNL Research Center and DOE [DE-AC02-98CH10886]; JET Collaboration and DOE [DE-FG02-10ER41682] FX This work was supported by the US National Science Foundation (NSF) through CAREER grant PHY-0847538 and grant PHY-0969394, by the A-v-Humboldt Foundation, by the RIKEN/BNL Research Center and DOE grant DE-AC02-98CH10886, and by the JET Collaboration and DOE grant DE-FG02-10ER41682. NR 19 TC 2 Z9 2 U1 0 U2 0 PU IOP PUBLISHING LTD PI BRISTOL PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND SN 0954-3899 J9 J PHYS G NUCL PARTIC JI J. Phys. G-Nucl. Part. Phys. PD DEC PY 2011 VL 38 IS 12 AR 124068 DI 10.1088/0954-3899/38/12/124068 PG 4 WC Physics, Nuclear; Physics, Particles & Fields SC Physics GA 946SP UT WOS:000304375300069 ER PT J AU Huovinen, P Petreczky, P AF Huovinen, Pasi Petreczky, Peter TI Equation of state at finite baryon density based on lattice QCD SO JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS LA English DT Article ID FLOW AB We employ the lattice QCD data on Taylor expansion coefficients to extend our previous parametrization of the equation of state to finite baryon density. When we take into account lattice spacing and quark mass dependence of the hadron masses, the Taylor coefficients at low temperature are equal to those of hadron resonance gas. Thus, the equation of state is smoothly connected to the hadron resonance gas equation of state at low temperatures. We also show how the elliptic flow is affected by this equation of state at the maximum SPS energy. C1 [Huovinen, Pasi] Goethe Univ Frankfurt, Inst Theoret Phys, D-60438 Frankfurt, Germany. [Petreczky, Peter] Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA. RP Huovinen, P (reprint author), Goethe Univ Frankfurt, Inst Theoret Phys, D-60438 Frankfurt, Germany. EM huovinen@th.physik.uni-frankfurt.de FU BMBF [06FY9092]; US Department of Energy [DE-AC02-98CH1086] FX This work was supported by BMBF under contract no 06FY9092 and by the US Department of Energy under contract DE-AC02-98CH1086. NR 8 TC 12 Z9 12 U1 0 U2 0 PU IOP PUBLISHING LTD PI BRISTOL PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND SN 0954-3899 J9 J PHYS G NUCL PARTIC JI J. Phys. G-Nucl. Part. Phys. PD DEC PY 2011 VL 38 IS 12 AR 124103 DI 10.1088/0954-3899/38/12/124103 PG 4 WC Physics, Nuclear; Physics, Particles & Fields SC Physics GA 946SP UT WOS:000304375300103 ER PT J AU Jia, JY AF Jia, Jiangyong CA ATLAS Collaboration TI Measurement of elliptic and higher order flow from ATLAS experiment at the LHC SO JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS LA English DT Article AB We present a differential measurement of the azimuthal anisotropy of charged hadron production in Pb+Pb collisions at root s(NN) = 2.76 TeV. This azimuthal anisotropy is expanded into a Fourier series in azimuthal angle, where the coefficient for each term, nu(n), characterizes the magnitude of the anisotropy at a particular angular scale. We extract nu(2)-nu(6) via a discrete Fourier analysis of the two-particle Delta phi-Delta eta correlation with a large Delta(eta) gap (vertical bar Delta eta vertical bar > 2), and via an event-plane method based on the forward calorimeter. Significant nu(2)-nu(6) values are observed over a broad range in p(T), eta and centrality, and they are found to be consistent between the two methods in the transverse momentum region p(T) < 3-4 GeV. This suggests that the measured nu(2)-nu(6) obtained from two-particle correlations at low p(T) with a large Delta(eta) gap are consistent with the collective response of the system to the initial-state geometry fluctuations, and is not the result of jet fragmentation or resonance decay. C1 [Jia, Jiangyong] SUNY Stony Brook, Dept Chem, Stony Brook, NY 11794 USA. Brookhaven Natl Lab, Dept Phys, Upton, NY 11796 USA. RP Jia, JY (reprint author), SUNY Stony Brook, Dept Chem, Stony Brook, NY 11794 USA. EM jjia@bnl.gov NR 17 TC 35 Z9 35 U1 0 U2 0 PU IOP PUBLISHING LTD PI BRISTOL PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND SN 0954-3899 EI 1361-6471 J9 J PHYS G NUCL PARTIC JI J. Phys. G-Nucl. Part. Phys. PD DEC PY 2011 VL 38 IS 12 AR 124012 DI 10.1088/0954-3899/38/12/124012 PG 8 WC Physics, Nuclear; Physics, Particles & Fields SC Physics GA 946SP UT WOS:000304375300013 ER PT J AU Karsch, F AF Karsch, Frithjof TI Moments of charge fluctuations, pseudo-critical temperatures and freeze-out in heavy-ion collisions SO JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS LA English DT Article AB We discuss universal properties of higher order cumulants of net baryon number fluctuations and point out their relevance for the analysis of freeze-out and critical conditions in heavy-ion collisions at the LHC and RHIC. C1 [Karsch, Frithjof] Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA. [Karsch, Frithjof] Univ Bielefeld, Fak Phys, D-33615 Bielefeld, Germany. RP Karsch, F (reprint author), Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA. EM karsch@bnl.gov FU US Department of Energy [DE-AC02-98CH10886] FX This manuscript has been authored under contract number DE-AC02-98CH10886 with the US Department of Energy. NR 13 TC 9 Z9 9 U1 0 U2 0 PU IOP PUBLISHING LTD PI BRISTOL PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND SN 0954-3899 J9 J PHYS G NUCL PARTIC JI J. Phys. G-Nucl. Part. Phys. PD DEC PY 2011 VL 38 IS 12 AR 124098 DI 10.1088/0954-3899/38/12/124098 PG 4 WC Physics, Nuclear; Physics, Particles & Fields SC Physics GA 946SP UT WOS:000304375300099 ER PT J AU Kharzeev, DE AF Kharzeev, Dmitri E. TI The chiral magnetohydrodynamics of QCD fluid at the RHIC and LHC SO JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS LA English DT Article ID EQUILIBRIUM; VIOLATION; FIELDS; MATTER AB The experimental results on heavy ion collisions at the RHIC and LHC indicate that QCD plasma behaves as a nearly perfect fluid described by relativistic hydrodynamics. Hydrodynamics is an effective low-energy theory of everything stating that the response of a system to external perturbations is dictated by conservation laws that are a consequence of the symmetries of the underlying theory. In the case of QCD fluid produced in heavy ion collisions, this theory possesses anomalies, so some of the apparent classical symmetries are broken by quantum effects. Even though the anomalies appear as a result of UV regularization and so look like a short-distance phenomenon, it has been realized recently that they also affect the large-distance macroscopic behavior in hydrodynamics. One of the manifestations of anomalies in relativistic hydrodynamics is the chiral magnetic effect (CME). At this conference, a number of pieces of evidence for the CME have been presented, including (i) the disappearance of charge asymmetry fluctuations in the low-energy RHIC data where the energy density is thought to be below the critical one for deconfinement and (ii) the observation of charge asymmetry fluctuations in Pb-Pb collisions at the LHC. Here is given a summary of some of the recent theoretical and experimental developments and of the future tests that may allow us to establish (or to refute) the CME as the origin of the observed charge asymmetry fluctuations. C1 [Kharzeev, Dmitri E.] SUNY Stony Brook, Dept Phys & Astron, Stony Brook, NY 11794 USA. [Kharzeev, Dmitri E.] Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA. RP Kharzeev, DE (reprint author), SUNY Stony Brook, Dept Phys & Astron, Stony Brook, NY 11794 USA. EM Dmitri.Kharzeev@stonybrook.edu FU US Department of Energy [DE-AC02-98CH10886, DE-FG-88ER41723] FX I am indebted to my collaborators for sharing their insights with me. Space limitations do not allow me to describe all important developments in this rapidly evolving field. This work was supported by the US Department of Energy under contract nos DE-AC02-98CH10886 and DE-FG-88ER41723. NR 46 TC 4 Z9 4 U1 0 U2 0 PU IOP PUBLISHING LTD PI BRISTOL PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND SN 0954-3899 J9 J PHYS G NUCL PARTIC JI J. Phys. G-Nucl. Part. Phys. PD DEC PY 2011 VL 38 IS 12 AR 124061 DI 10.1088/0954-3899/38/12/124061 PG 4 WC Physics, Nuclear; Physics, Particles & Fields SC Physics GA 946SP UT WOS:000304375300062 ER PT J AU Kistenev, E AF Kistenev, E. CA PHENIX Collaboration TI Direct photons in PHENIX at the RHIC SO JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS LA English DT Article AB PHENIX results on direct photon production in p+p, d+Au, Cu+Cu and Au+Au collisions are presented. Direct photon yield at high p(T) is consistent with NLO pQCD calculations in all systems. In heavy ion collisions at low p(T) direct photons exhibit an order of magnitude exponential shape enhancement consistent with thermal emission from quark gluon plasma (QGP). The thermal nature of this enhancement is further confirmed by the large elliptic flow of direct photons below p(T) similar to 5GeV/c. C1 [Kistenev, E.; PHENIX Collaboration] Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA. RP Kistenev, E (reprint author), Brookhaven Natl Lab, Dept Phys, 510C, Upton, NY 11973 USA. EM kistenev@bnl.gov NR 10 TC 1 Z9 1 U1 0 U2 1 PU IOP PUBLISHING LTD PI BRISTOL PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND SN 0954-3899 J9 J PHYS G NUCL PARTIC JI J. Phys. G-Nucl. Part. Phys. PD DEC PY 2011 VL 38 IS 12 AR 124137 DI 10.1088/0954-3899/38/12/124137 PG 4 WC Physics, Nuclear; Physics, Particles & Fields SC Physics GA 946SP UT WOS:000304375300137 ER PT J AU Loizides, C AF Loizides, Constantin CA ALICE Collaboration TI Charged-particle multiplicity and transverse energy in Pb-Pb collisions at root s(NN)=2.76 TeV with ALICE SO JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS LA English DT Article AB The measurements of charged-particle multiplicity and transverse energy at mid-rapidity in Pb-Pb collisions at root s(NN) = 2.76 TeV are reported as a function of centrality. The fraction of the inelastic cross section recorded by the ALICE detector is estimated using a Glauber model. The results scaled by the number of participating nucleons are compared with pp collisions at the same collision energy, with similar results obtained at significantly lower energies, and with models based on different mechanisms for particle production in nuclear collisions. C1 [Loizides, Constantin; ALICE Collaboration] Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA. RP Loizides, C (reprint author), Lawrence Berkeley Natl Lab, 1 Cyclotron Rd, Berkeley, CA 94720 USA. EM cloizides@lbl.gov RI Barbera, Roberto/G-5805-2012 OI Barbera, Roberto/0000-0001-5971-6415 NR 7 TC 10 Z9 10 U1 0 U2 2 PU IOP PUBLISHING LTD PI BRISTOL PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND SN 0954-3899 EI 1361-6471 J9 J PHYS G NUCL PARTIC JI J. Phys. G-Nucl. Part. Phys. PD DEC PY 2011 VL 38 IS 12 AR 124040 DI 10.1088/0954-3899/38/12/124040 PG 5 WC Physics, Nuclear; Physics, Particles & Fields SC Physics GA 946SP UT WOS:000304375300041 ER PT J AU Ma, GL Wang, XN AF Ma, Guo-Liang Wang, Xin-Nian TI Initial fluctuations and dihadron and gamma-hadron correlations in high-energy heavy-ion collisions SO JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS LA English DT Article AB Jets, jet-medium interaction and hydrodynamic evolution of fluctuations in initial parton density all lead to the final anisotropic dihadron azimuthal correlations in high-energy heavy-ion collisions. We remove the harmonic flow background and study the net correlations from different sources with different initial conditions within a multi-phase transport model. We also study gamma-hadron correlations which are only influenced by jet-medium interactions. C1 [Ma, Guo-Liang] Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China. [Wang, Xin-Nian] Cent China Normal Univ, Inst Particle Phys, Wuhan 430079, Peoples R China. [Wang, Xin-Nian] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Nucl Sci Div MS 70R0319, Berkeley, CA 94720 USA. RP Ma, GL (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China. EM glma@sinap.ac.cn; xnwang@lbl.gov OI Wang, Xin-Nian/0000-0002-9734-9967 FU NSFC of China [10705044, 10875159, 10905085, 10975059, 11035009]; Chinese Academy of Sciences [KJCX2-EW-N01]; US DOE [DE-AC02-05CH11231]; JET FX This work is supported by the NSFC of China under Project nos 10705044, 10875159, 10905085, 10975059, 11035009, the Knowledge Innovation Project of Chinese Academy of Sciences under grant no KJCX2-EW-N01 and by the US DOE under contract no DE-AC02-05CH11231 and within the framework of the JET Collaboration. NR 10 TC 0 Z9 0 U1 0 U2 0 PU IOP PUBLISHING LTD PI BRISTOL PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND SN 0954-3899 J9 J PHYS G NUCL PARTIC JI J. Phys. G-Nucl. Part. Phys. PD DEC PY 2011 VL 38 IS 12 AR 124156 DI 10.1088/0954-3899/38/12/124156 PG 4 WC Physics, Nuclear; Physics, Particles & Fields SC Physics GA 946SP UT WOS:000304375300156 ER PT J AU Masui, H AF Masui, Hiroshi CA STAR Collaboration TI STAR highlights SO JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS LA English DT Article AB We report selected results from STAR collaboration at the RHIC, focusing on jet-hadron and jet-like correlations, quarkonium suppression and collectivity, di-electron spectrum in both p+p and Au+Au, and higher moments (standard deviation, skewness and kurtosis) of net-protons as well as azimuthal anisotropy from the RHIC Beam Energy Scan program. C1 [Masui, Hiroshi; STAR Collaboration] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Div Nucl Sci, Berkeley, CA 94720 USA. RP Masui, H (reprint author), Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Div Nucl Sci, 1 Cyclotron Rd, Berkeley, CA 94720 USA. EM HMasui@lbl.gov NR 27 TC 8 Z9 8 U1 0 U2 1 PU IOP PUBLISHING LTD PI BRISTOL PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND SN 0954-3899 EI 1361-6471 J9 J PHYS G NUCL PARTIC JI J. Phys. G-Nucl. Part. Phys. PD DEC PY 2011 VL 38 IS 12 AR 124002 DI 10.1088/0954-3899/38/12/124002 PG 7 WC Physics, Nuclear; Physics, Particles & Fields SC Physics GA 946SP UT WOS:000304375300003 ER PT J AU Mukherjee, S AF Mukherjee, Swagato TI Fluctuations, correlations and some other recent results from lattice QCD SO JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS LA English DT Article AB I summarize recent results from lattice QCD on a few selected topics which are of interest to the heavy-ion physics community. Special emphasis is placed upon observables related to fluctuations of conserved charges and their connection to event-by-event fluctuations in heavy-ion collision experiments. C1 Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA. RP Mukherjee, S (reprint author), Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA. EM swagato@bnl.gov OI Mukherjee, Swagato/0000-0002-3824-1008 FU US Department of Energy [DE-AC02-98CH10886] FX The author is supported by the US Department of Energy under contract no DE-AC02-98CH10886. NR 22 TC 13 Z9 13 U1 0 U2 0 PU IOP PUBLISHING LTD PI BRISTOL PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND SN 0954-3899 J9 J PHYS G NUCL PARTIC JI J. Phys. G-Nucl. Part. Phys. PD DEC PY 2011 VL 38 IS 12 AR 124022 DI 10.1088/0954-3899/38/12/124022 PG 7 WC Physics, Nuclear; Physics, Particles & Fields SC Physics GA 946SP UT WOS:000304375300023 ER PT J AU Nahrgang, M Schuster, T Mitrovski, M Stock, R Bleicher, M AF Nahrgang, M. Schuster, T. Mitrovski, M. Stock, R. Bleicher, M. TI Fluctuation signals and the critical point SO JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS LA English DT Article ID COLLISIONS AB We explore the potential of fluctuation measurements to investigate the properties of hot and dense matter created in relativistic heavy-ion collisions to investigate signals expected from the critical point and the first-order phase transition. Contrary to calculations in a grand canonical ensemble we combine the dynamics of the systems with the nonequilibrium propagation of the order parameter of chiral symmetry. We find an enhancement of the fluctuations of the order parameter at the phase transition. Furthermore, we study the effect of exact baryon charge conservation on the net-baryon and the net-proton kurtosis for central (b <= 2.75 fm) Pb+Pb/Au+Au collisions from E-lab = 2A GeV to root s(NN) = 200 GeV from the UrQMD model. The results are compared to experimentally applied cuts and corrections. C1 [Nahrgang, M.; Bleicher, M.] Goethe Univ Frankfurt, Inst Theoret Phys, D-60438 Frankfurt, Germany. [Nahrgang, M.; Schuster, T.; Stock, R.; Bleicher, M.] FIAS, D-60438 Frankfurt, Germany. [Schuster, T.; Stock, R.] Goethe Univ Frankfurt, Inst Kernphys, D-60438 Frankfurt, Germany. [Mitrovski, M.] Brookhaven Natl Lab, Upton, NY 11973 USA. RP Nahrgang, M (reprint author), Goethe Univ Frankfurt, Inst Theoret Phys, Max von Laue Str 1, D-60438 Frankfurt, Germany. EM nahrgang@fias.uni-frankfurt.de FU Hessian LOEWE initiative through HIC for FAIR; Stiftung Polytechnische Gesellschaft Frankfurt; Helmholtz Research School on Quark Matter Studies FX This work was supported by the Hessian LOEWE initiative through HIC for FAIR. We are also grateful to the Center for Scientific Computing (CSC) at Frankfurt for providing the computing resources. MN gratefully acknowledges financial support from the Stiftung Polytechnische Gesellschaft Frankfurt and TS is grateful for support from the Helmholtz Research School on Quark Matter Studies. NR 17 TC 5 Z9 5 U1 0 U2 2 PU IOP PUBLISHING LTD PI BRISTOL PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND SN 0954-3899 J9 J PHYS G NUCL PARTIC JI J. Phys. G-Nucl. Part. Phys. PD DEC PY 2011 VL 38 IS 12 AR 124150 DI 10.1088/0954-3899/38/12/124150 PG 4 WC Physics, Nuclear; Physics, Particles & Fields SC Physics GA 946SP UT WOS:000304375300150 ER PT J AU Purschke, ML AF Purschke, Martin L. CA PHENIX Collaboration TI Recent R-AA results from the PHENIX experiment SO JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS LA English DT Article ID ENERGY AB The nuclear modification factor R-AA has, for more than one decade, been one of the workhorse variables in the field of ultra-relativistic heavy-ion collisions. It describes the deviations of the yield of a given probe, such as pi(0) yields, as compared to the yield that would have been obtained from a simple-minded superposition of independent proton-proton collisions. In addition to new pi(0) suppression results in Au+Au collisions at root s(NN) = 200 GeV, we present recent results from pi(0) yields from the currently ongoing RHIC low energy scan, measurements of the jet fragmentation function in Cu+Cu and the R-AA from fully reconstructed jets in Cu+Cu collisions. C1 [Purschke, Martin L.; PHENIX Collaboration] Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA. RP Purschke, ML (reprint author), Brookhaven Natl Lab, Dept Phys, Blgd 510C, Upton, NY 11973 USA. EM purschke@bnl.gov NR 11 TC 8 Z9 8 U1 0 U2 0 PU IOP PUBLISHING LTD PI BRISTOL PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND SN 0954-3899 J9 J PHYS G NUCL PARTIC JI J. Phys. G-Nucl. Part. Phys. PD DEC PY 2011 VL 38 IS 12 AR 124016 DI 10.1088/0954-3899/38/12/124016 PG 8 WC Physics, Nuclear; Physics, Particles & Fields SC Physics GA 946SP UT WOS:000304375300017 ER PT J AU Schenke, B AF Schenke, Bjoern TI Flow in heavy-ion collisions-theory perspective SO JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS LA English DT Article ID QUARK-GLUON PLASMA; TRANSIENT RELATIVISTIC THERMODYNAMICS; KINETIC-THEORY; ELLIPTIC FLOW; HYDRODYNAMICS; DYNAMICS AB I review recent developments in the field of relativistic hydrodynamics and its application to the bulk dynamics in heavy-ion collisions at the Relativistic Heavy-Ion Collider (RHIC) and the Large Hadron Collider (LHC). In particular, I report on progress in going beyond second order relativistic viscous hydrodynamics for conformal fluids, including temperature-dependent shear viscosity to entropy density ratios, as well as coupling hydrodynamic calculations to microscopic hadronic rescattering models. I describe event-by-event hydrodynamic simulations and their ability to compute higher harmonic flow coefficients. Combined comparisons of all harmonics to recent experimental data from both the RHIC and the LHC will potentially allow us to determine the desired details of the initial state and the medium properties of the quark-gluon plasma produced in heavy-ion collisions. C1 Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA. RP Schenke, B (reprint author), Brookhaven Natl Lab, Dept Phys, Bldg 510A, Upton, NY 11973 USA. EM bschenke@quark.phy.bnl.gov FU US Department of Energy [DE-AC02-98CH10886]; Brookhaven Science Associates FX I thank Charles Gale, Sangyong Jeon, Derek Teaney and Raju Venugopalan for helpful comments on the manuscript and discussions. This work was supported in part by the US Department of Energy under DOE contract no DE-AC02-98CH10886, and by a Lab Directed Research and Development Grant from Brookhaven Science Associates. NR 92 TC 12 Z9 12 U1 0 U2 0 PU IOP PUBLISHING LTD PI BRISTOL PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND SN 0954-3899 J9 J PHYS G NUCL PARTIC JI J. Phys. G-Nucl. Part. Phys. PD DEC PY 2011 VL 38 IS 12 AR 124009 DI 10.1088/0954-3899/38/12/124009 PG 7 WC Physics, Nuclear; Physics, Particles & Fields SC Physics GA 946SP UT WOS:000304375300010 ER PT J AU Schenke, B Jeon, S Gale, C AF Schenke, Bjoern Jeon, Sangyong Gale, Charles TI Elliptic and triangular flows in 3+1D viscous hydrodynamics with fluctuating initial conditions SO JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS LA English DT Article ID COLLISIONS AB Using a 3+1D viscous hydrodynamic model of relativistic heavy ion collisions, we show that event-by-event fluctuation is essential in understanding the quark-gluon plasma produced in collisions at the RHIC and the LHC. C1 [Schenke, Bjoern; Jeon, Sangyong; Gale, Charles] McGill Univ, Dept Phys, Montreal, PQ H3A 2T8, Canada. [Schenke, Bjoern] Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA. RP Schenke, B (reprint author), McGill Univ, Dept Phys, 3600 Rue Univ, Montreal, PQ H3A 2T8, Canada. EM bschenke@quark.phy.bnl.gov; jeon@physics.mcgill.ca; gale@physics.mcgill.ca FU Natural Sciences and Engineering Research Council of Canada; US Department of Energy under DOE [DE-AC02-98CH10886]; Lab Directed Research and Development from Brookhaven Science Associates FX The authors are supported in part by the Natural Sciences and Engineering Research Council of Canada. BPS was also supported in part by the US Department of Energy under DOE Contract no DE-AC02-98CH10886, and by a Lab Directed Research and Development Grant from Brookhaven Science Associates. NR 24 TC 11 Z9 11 U1 0 U2 2 PU IOP PUBLISHING LTD PI BRISTOL PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND SN 0954-3899 EI 1361-6471 J9 J PHYS G NUCL PARTIC JI J. Phys. G-Nucl. Part. Phys. PD DEC PY 2011 VL 38 IS 12 AR 124169 DI 10.1088/0954-3899/38/12/124169 PG 4 WC Physics, Nuclear; Physics, Particles & Fields SC Physics GA 946SP UT WOS:000304375300169 ER PT J AU Schmah, A AF Schmah, Alexander CA STAR Collaboration TI Event anisotropy upsilon(2) of identified hadrons and light nuclei in Au plus Au collisions at root s(NN)=7.7, 11.5 and 39 GeV with STAR SO JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS LA English DT Article AB We present upsilon(2) measurements from Au+Au collisions at root s(NN) = 7.7, 11.5 and 39 GeV for identified hadrons (pi, K, K-s(0), p, phi, Lambda, Xi) and light nuclei ((d) over bar and He-3). For the first time, a significant difference in upsilon(2) between baryons and anti-baryons is observed. The difference increases with decreasing center-of-mass energy. A systematically lower phi-meson upsilon(2), compared to the other particles, is observed in the frame of the number-of-constituent quark scaling. C1 [Schmah, Alexander; STAR Collaboration] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA. RP Schmah, A (reprint author), Univ Calif Berkeley, Lawrence Berkeley Natl Lab, 1 Cyclotron Rd, Berkeley, CA 94720 USA. EM aschmah@lbl.gov NR 7 TC 8 Z9 8 U1 0 U2 4 PU IOP PUBLISHING LTD PI BRISTOL PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND SN 0954-3899 J9 J PHYS G NUCL PARTIC JI J. Phys. G-Nucl. Part. Phys. PD DEC PY 2011 VL 38 IS 12 AR 124049 DI 10.1088/0954-3899/38/12/124049 PG 4 WC Physics, Nuclear; Physics, Particles & Fields SC Physics GA 946SP UT WOS:000304375300050 ER PT J AU Shen, C Bass, SA Hirano, T Huovinen, P Qiu, Z Song, HC Heinz, U AF Shen, Chun Bass, Steffen A. Hirano, Tetsufumi Huovinen, Pasi Qiu, Zhi Song, Huichao Heinz, Ulrich TI The QGP shear viscosity - elusive goal or just around the corner? SO JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS LA English DT Article ID HEAVY-ION COLLISIONS AB With the new viscous hydrodynamic + hadron cascade hybrid code VISHNU, a rather precise (O(25%)) extraction of the quark gluon plasma (QGP) shear viscosity (eta/s)(QGP) from heavy-ion elliptic flow data is possible if the initial eccentricity of the collision fireball is known with <5% accuracy. At this point, eccentricities from initial state models differ by up to 20%, leading to an O(100%) uncertainty for (eta/s)(QGP). It is shown that a simultaneous comparison of elliptic and triangular flow, upsilon(2) and upsilon(3), puts strong constraints on initial state models and can largely eliminate the present uncertainty in (eta/s)(QGP). The variation of the differential elliptic flow upsilon(2)(p(T)) for identified hadrons between RHIC and LHC energies provides additional tests of the evolution model. C1 [Shen, Chun; Qiu, Zhi; Heinz, Ulrich] Ohio State Univ, Dept Phys, Columbus, OH 43026 USA. [Bass, Steffen A.] Duke Univ, Dept Phys, Durham, NC 27708 USA. [Hirano, Tetsufumi] Sophia Univ, Dept Phys, Tokyo 1028554, Japan. [Hirano, Tetsufumi] Univ Tokyo, Dept Phys, Tokyo 1130033, Japan. [Huovinen, Pasi] Goethe Univ Frankfurt, ITP, D-60438 Frankfurt, Germany. [Song, Huichao] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA. RP Shen, C (reprint author), Ohio State Univ, Dept Phys, Columbus, OH 43026 USA. EM heinz@mps.ohio-state.edu OI Bass, Steffen/0000-0002-9451-0954 FU US Department of Energy [DE-AC02-05CH11231, DE-FG02-05ER41367, DE-SC0004286, DE-SC0004104]; Japan Society for the Promotion of Science [22740151]; ExtreMe Matter Institute (EMMI); BMBF [06FY9092] FX This work was supported by the US Department of Energy under grant nos DE-AC02-05CH11231, DE-FG02-05ER41367, DE-SC0004286 and (within the framework of the JET Collaboration) DE-SC0004104; by the Japan Society for the Promotion of Science through Grant-in-Aid for Scientific Research no 22740151; by the ExtreMe Matter Institute (EMMI); and by BMBF under project no 06FY9092. We gratefully acknowledge extensive computing resources provided to us by the Ohio Supercomputer Center. CS thanks the Quark Matter 2011 organizers for support. NR 14 TC 27 Z9 27 U1 0 U2 2 PU IOP PUBLISHING LTD PI BRISTOL PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND SN 0954-3899 J9 J PHYS G NUCL PARTIC JI J. Phys. G-Nucl. Part. Phys. PD DEC PY 2011 VL 38 IS 12 AR 124045 DI 10.1088/0954-3899/38/12/124045 PG 5 WC Physics, Nuclear; Physics, Particles & Fields SC Physics GA 946SP UT WOS:000304375300046 ER PT J AU Sickles, AM AF Sickles, Anne M. CA PHENIX Collaboration TI The next decade of physics with PHENIX SO JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS LA English DT Article AB The first decade of Relativistic Heavy Ion Collider (RHIC) physics and the first heavy ion running at the Large Hadron Collider (LHC) have produced a wealth of data and discoveries. It is timely to now evaluate what has been learned and ask what compelling new questions have been raised. In this talk, several key unanswered questions about the properties of the strongly coupled quark gluon plasma and the distribution of partons inside nucleons and nuclei will be discussed along with how they can be addressed experimentally. The PHENIX Collaboration has developed a plan for upgrading the experiment in order to address these new questions. The current status of these plans will be presented. C1 [Sickles, Anne M.; PHENIX Collaboration] Brookhaven Natl Lab, Upton, NY 11973 USA. RP Sickles, AM (reprint author), Brookhaven Natl Lab, Upton, NY 11973 USA. EM anne@bnl.gov NR 3 TC 2 Z9 2 U1 0 U2 0 PU IOP PUBLISHING LTD PI BRISTOL PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND SN 0954-3899 J9 J PHYS G NUCL PARTIC JI J. Phys. G-Nucl. Part. Phys. PD DEC PY 2011 VL 38 IS 12 AR 124129 DI 10.1088/0954-3899/38/12/124129 PG 4 WC Physics, Nuclear; Physics, Particles & Fields SC Physics GA 946SP UT WOS:000304375300129 ER PT J AU Skokov, V Friman, B Karsch, F Redlich, K AF Skokov, Vladimir Friman, Bengt Karsch, Frithjof Redlich, Krzysztof TI Charge fluctuations in chiral models and the QCD phase transition SO JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS LA English DT Article AB We consider the Polyakov loop-extended two-flavor chiral quark-meson model and discuss critical phenomena related to the spontaneous breaking of the chiral symmetry. The model is explored beyond the mean-field approximation in the framework of the functional renormalization group. We discuss properties of the net-quark number density fluctuations as well as their higher cumulants. We show that with the increasing net-quark number density, the higher order cumulants exhibit a strong sensitivity to the chiral crossover transition. We discuss their role as probes of the chiral phase transition in heavy-ion collisions at RHIC and LHC. C1 [Skokov, Vladimir; Friman, Bengt] GSI Darmstadt, Helmholtzzentrum Schwerionenforsch, D-64291 Darmstadt, Germany. [Karsch, Frithjof] Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA. [Karsch, Frithjof] Univ Bielefeld, Fak Phys, D-33501 Bielefeld, Germany. [Redlich, Krzysztof] Univ Wroclaw, Inst Theoret Phys, PL-50204 Wroclaw, Poland. [Redlich, Krzysztof] GSI Darmstadt, ExtreMe Matter Inst EMMI, D-64291 Darmstadt, Germany. RP Skokov, V (reprint author), GSI Darmstadt, Helmholtzzentrum Schwerionenforsch, D-64291 Darmstadt, Germany. EM V.Skokov@gsi.de OI Skokov, Vladimir/0000-0001-7619-1796; Friman, Bengt/0000-0002-3211-7073 NR 14 TC 5 Z9 5 U1 0 U2 0 PU IOP PUBLISHING LTD PI BRISTOL PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND SN 0954-3899 J9 J PHYS G NUCL PARTIC JI J. Phys. G-Nucl. Part. Phys. PD DEC PY 2011 VL 38 IS 12 AR 124102 DI 10.1088/0954-3899/38/12/124102 PG 4 WC Physics, Nuclear; Physics, Particles & Fields SC Physics GA 946SP UT WOS:000304375300102 ER PT J AU Sorensen, P AF Sorensen, Paul CA STAR Collaboration TI Higher flow harmonics in heavy ion collisions from STAR SO JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS LA English DT Article ID AU COLLISIONS; ELLIPTIC FLOW; MODEL AB We report STAR measurements relating to higher flow harmonics including the centrality dependence of two-and four-particle cumulants for harmonics 1-6. Two-particle correlation functions versus Delta eta and Delta phi are presented for p(T) and number correlations. We find the power spectra (Fourier transforms of the correlation functions) for central collisions drop quickly for higher harmonics. The Delta eta dependence of upsilon(3){2}(2) and p(T) and the centrality dependence of upsilon(2) and upsilon(3) are studied. Trends are consistent with expectations from models including hot-spots in the initial energy density and an expansion phase. We also present upsilon(3) and upsilon(2){2}(2) - upsilon(2){4}(2) versus root s(NN). C1 [Sorensen, Paul; STAR Collaboration] Brookhaven Natl Lab, Upton, NY 11973 USA. RP Sorensen, P (reprint author), Brookhaven Natl Lab, Upton, NY 11973 USA. EM prsorensen@bnl.gov OI Sorensen, Paul/0000-0001-5056-9391 NR 52 TC 34 Z9 34 U1 0 U2 2 PU IOP PUBLISHING LTD PI BRISTOL PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND SN 0954-3899 EI 1361-6471 J9 J PHYS G NUCL PARTIC JI J. Phys. G-Nucl. Part. Phys. PD DEC PY 2011 VL 38 IS 12 AR 124029 DI 10.1088/0954-3899/38/12/124029 PG 8 WC Physics, Nuclear; Physics, Particles & Fields SC Physics GA 946SP UT WOS:000304375300030 ER PT J AU Stasto, AM AF Stasto, Anna M. TI Physics opportunities at an electron-ion collider SO JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS LA English DT Article ID NUCLEI AB We discuss open physics problems which pertain to the nuclear structure that could be addressed with the measurements at a dedicated electron-ion machine at high energies. Physics possibilities at the Electron Ion Collider and the Large Hadron electron Collider proposals are briefly presented. C1 [Stasto, Anna M.] Penn State Univ, Dept Phys, University Pk, PA 16802 USA. [Stasto, Anna M.] Brookhaven Natl Lab, RIKEN Ctr, Upton, NY 11973 USA. [Stasto, Anna M.] Polish Acad Sci, Inst Nucl Phys, Krakow, Poland. RP Stasto, AM (reprint author), Penn State Univ, Dept Phys, 104 Davey Lab, University Pk, PA 16802 USA. EM astasto_@_phys.psu.edu FU MNiSW [N202 249235]; DOE OJI [DE - SC0002145]; Sloan Foundation FX The author is supported by the grant of MNiSW no N202 249235, DOE OJI grant no DE - SC0002145 and by the Sloan Foundation. NR 15 TC 0 Z9 0 U1 0 U2 2 PU IOP PUBLISHING LTD PI BRISTOL PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND SN 0954-3899 J9 J PHYS G NUCL PARTIC JI J. Phys. G-Nucl. Part. Phys. PD DEC PY 2011 VL 38 IS 12 AR 124037 DI 10.1088/0954-3899/38/12/124037 PG 7 WC Physics, Nuclear; Physics, Particles & Fields SC Physics GA 946SP UT WOS:000304375300038 ER PT J AU Steinberg, P AF Steinberg, Peter CA ATLAS Collaboration TI Recent heavy-ion results with the ATLAS detector at the LHC SO JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS LA English DT Article AB Results are presented from the ATLAS collaboration from the 2010 LHC heavy-ion run, during which nearly ten inverse microbarns of luminosity were delivered. Soft physics results include charged particle multiplicities and collective flow. The charged particle multiplicity, which tracks initial state entropy production, increases by a factor of 2 relative to the top RHIC energy, with a centrality dependence very similar to that already measured at the RHIC. Measurements of elliptic flow out to large transverse momentum also show similar results to what was measured at the RHIC, but no significant pseudorapidity dependence. Extensions of these measurements to higher harmonics have also been made and can be used to explain structures in the two-particle correlation functions that had long been attributed to jet-medium interactions. New hard probe measurements include single muons, jets and high p(T) hadrons. Single muons at high momentum are used to extract the yield of W-+/- bosons and are found to be consistent within statistical uncertainties with binary collision scaling. Conversely, jets are found to be suppressed in central events by a factor of 2 relative to peripheral events, with no significant dependence on the jet energy. Fragmentation functions are also found to be the same in central and peripheral events. Finally, charged hadrons have been measured out to 30 GeV, and their centrality dependence relative to peripheral events is similar to that found for jets. C1 [Steinberg, Peter; ATLAS Collaboration] Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA. RP Steinberg, P (reprint author), Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA. EM peter.steinberg@bnl.gov NR 26 TC 24 Z9 24 U1 0 U2 1 PU IOP PUBLISHING LTD PI BRISTOL PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND SN 0954-3899 EI 1361-6471 J9 J PHYS G NUCL PARTIC JI J. Phys. G-Nucl. Part. Phys. PD DEC PY 2011 VL 38 IS 12 AR 124004 DI 10.1088/0954-3899/38/12/124004 PG 8 WC Physics, Nuclear; Physics, Particles & Fields SC Physics GA 946SP UT WOS:000304375300005 ER PT J AU Ullrich, T AF Ullrich, Thomas TI Probing the gluonic structure of matter at a future electron-ion collider SO JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS LA English DT Article ID COLOR GLASS CONDENSATE; EVOLUTION; SCATTERING AB The probing of nuclei and nucleons via deep-inelastic and diffractive processes in the high-energy (low-x) regime will open a new window for the investigation of the gluonic structure of matter. Studies of ep collisions at HERA and especially dAu collisions at the RHIC have found tantalizing hints of saturated gluon densities. Unveiling the collective behavior of densely packed gluons under conditions where their self-interactions dominate will require an electron-ion collider, a new facility with capabilities well beyond those of any existing accelerator. C1 Brookhaven Natl Lab, Upton, NY 11973 USA. RP Ullrich, T (reprint author), Brookhaven Natl Lab, Upton, NY 11973 USA. EM thomas.ullrich@bnl.gov FU US Department of Energy [DE-AC02-98CH10886] FX This work was supported by the US Department of Energy under grant no DE-AC02-98CH10886. NR 19 TC 0 Z9 0 U1 0 U2 1 PU IOP PUBLISHING LTD PI BRISTOL PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND SN 0954-3899 J9 J PHYS G NUCL PARTIC JI J. Phys. G-Nucl. Part. Phys. PD DEC PY 2011 VL 38 IS 12 AR 124126 DI 10.1088/0954-3899/38/12/124126 PG 4 WC Physics, Nuclear; Physics, Particles & Fields SC Physics GA 946SP UT WOS:000304375300126 ER PT J AU Vitev, I AF Vitev, I. TI NLO analysis of inclusive jet, tagged jet and di-jet production in Pb plus Pb collisions at the LHC SO JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS LA English DT Article AB We present results and predictions at next-to-leading (NLO) order for the recent LHC lead-lead run at a center-of-mass energy of 2.76 TeV per nucleon-nucleon pair. Specifically, we focus on the suppression of the single and double inclusive jet cross sections and demonstrate how the di-jet asymmetry, recently measured by ATLAS and CMS, can be extracted from this general result. The case of jets tagged by an electroweak boson is exemplified by the Z(0)+jet channel. We predict a signature transition from enhancement to suppression of the tagged jet related to the medium-induced modification of the parton shower. Finally, we clarify the relation between the suppression of inclusive jets, tagged jets and di-jets and the quenching of inclusive particles on the example of the recent ALICE charged hadron attenuation data. C1 Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA. RP Vitev, I (reprint author), Los Alamos Natl Lab, Div Theoret, Mail Stop B283, Los Alamos, NM 87545 USA. EM ivitev@lanl.gov NR 18 TC 3 Z9 3 U1 0 U2 1 PU IOP PUBLISHING LTD PI BRISTOL PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND SN 0954-3899 J9 J PHYS G NUCL PARTIC JI J. Phys. G-Nucl. Part. Phys. PD DEC PY 2011 VL 38 IS 12 AR 124087 DI 10.1088/0954-3899/38/12/124087 PG 5 WC Physics, Nuclear; Physics, Particles & Fields SC Physics GA 946SP UT WOS:000304375300088 ER PT J AU Xue, L AF Xue, L. CA STAR Collaboration TI Observation of the antimatter helium-4 nucleus at the RHIC SO JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS LA English DT Article AB We present the observation of the (4)(He) over bar nucleus, the heaviest antinucleus observed to date. In total, 18 (4)(He) over bar counts were detected at the STAR experiment at the RHIC in 10(9) recorded Au+Au collisions at beam energies of root s(NN) = 200 and 62 GeV. The background has been estimated, and the misidentification probability is found to be lower than 10(-11). C1 [Xue, L.] Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China. Brookhaven Natl Lab, Upton, NY 11973 USA. RP Xue, L (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, POB 800-204, Shanghai 201800, Peoples R China. EM xueliang@sinap.ac.cn RI Xue, Liang/F-8077-2013 OI Xue, Liang/0000-0002-2321-9019 FU NSFC of China [11035009]; Shanghai Development Foundation for Science and Technology [09JC1416800]; Chinese Academy of Sciences [KJCX2-EW-N01] FX This work was supported in part by the NSFC of China under grant no 11035009, the Shanghai Development Foundation for Science and Technology under Contract no 09JC1416800 and the Knowledge Innovation Project of the Chinese Academy of Sciences under grant no KJCX2-EW-N01. NR 5 TC 7 Z9 7 U1 1 U2 1 PU IOP PUBLISHING LTD PI BRISTOL PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND SN 0954-3899 J9 J PHYS G NUCL PARTIC JI J. Phys. G-Nucl. Part. Phys. PD DEC PY 2011 VL 38 IS 12 AR 124072 DI 10.1088/0954-3899/38/12/124072 PG 4 WC Physics, Nuclear; Physics, Particles & Fields SC Physics GA 946SP UT WOS:000304375300073 ER PT J AU Zhang, HZ Chen, XF Hirano, T Wang, EK Wang, XN AF Zhang, Hanzhong Chen, Xiao-Fang Hirano, Tetsufumi Wang, Enke Wang, Xin-Nian TI Suppression of high p(T) hadrons in Pb plus Pb collisions at root s=2.76 TeV SO JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS LA English DT Article ID MULTIPLE PARTON SCATTERING; ENERGY-LOSS; NUCLEI AB The nuclear modification factor R-AA(p(T)) for large p(T) hadrons in central Pb + Pb collisions at root s = 2.76 TeV/eta is calculated within the next-to-leading order perturbative QCD parton model with medium-modified fragmentation functions and agree well with the new data. The jet transport parameter that controls medium modification is assumed to be proportional to the initial parton density and the coefficient is fixed by the RHIC data. The charged hadron multiplicity dN(ch)/d eta = 1584 +/- 80 in central Pb + Pb collisions from the ALICE experiment at the LHC is used to determine both the jet transport parameter and the initial condition for (3+1)D ideal hydrodynamic evolution of the bulk matter that is employed for the calculation of R-AA (p(T)). C1 [Zhang, Hanzhong; Chen, Xiao-Fang; Wang, Enke; Wang, Xin-Nian] Cent China Hua Zhong Normal Univ, Inst Particle Phys, Wuhan 430079, Peoples R China. [Hirano, Tetsufumi] Univ Tokyo, Dept Phys, Tokyo 1130033, Japan. [Hirano, Tetsufumi; Wang, Xin-Nian] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Div Nucl Sci, Berkeley, CA 94720 USA. RP Zhang, HZ (reprint author), Cent China Hua Zhong Normal Univ, Inst Particle Phys, Wuhan 430079, Peoples R China. EM zhanghz@iopp.ccnu.edu.cn FU NSFC of China [10825523, 10875052]; MOE; SAFEA of China [PITDU-B08033]; Office of Energy Research, Office of High Energy and Nuclear Physics, Divisions of Nuclear Physics, of the US Department of Energy [DE-AC02-05CH11231]; JET Collaboration; Japan Society for the Promotion of Science [213383]; [11020101060]; [22740151] FX This work was supported by NSFC of China under project nos 10825523, 10875052 and Key grant no 11020101060, and by MOE and SAFEA of China under project no PITDU-B08033, and by the Director, Office of Energy Research, Office of High Energy and Nuclear Physics, Divisions of Nuclear Physics, of the US Department of Energy under contract no DE-AC02-05CH11231 and with the framework of the JET Collaboration, and grant through Grant-in-Aid for Scientific Research no 22740151 and through the Excellent Young Researchers Oversea Visit Program (no 213383) of the Japan Society for the Promotion of Science. NR 31 TC 0 Z9 0 U1 0 U2 1 PU IOP PUBLISHING LTD PI BRISTOL PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND SN 0954-3899 J9 J PHYS G NUCL PARTIC JI J. Phys. G-Nucl. Part. Phys. PD DEC PY 2011 VL 38 IS 12 AR 124115 DI 10.1088/0954-3899/38/12/124115 PG 4 WC Physics, Nuclear; Physics, Particles & Fields SC Physics GA 946SP UT WOS:000304375300115 ER PT J AU Zhang, YF AF Zhang, Yifei CA STAR Collaboration TI Open charm hadron measurement in p plus p and Au plus Au collisions at root s(NN)=200 GeV in STAR SO JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS LA English DT Article AB We present the measurements of D-0 and D* in p+p and D-0 in Au+Au collisions via hadronic decays D-0 -> K-pi(+), D*(+) -> D-0 pi(+) -> K-pi(+)pi(+) in mid-rapidity vertical bar y vertical bar < 1 at root s(NN) = 200 GeV, covering p(T) from 0.2 to 6 GeV/c in p+p and 0.4 to 5 GeV/c in Au+Au, respectively. The charm pair production cross section per nucleon-nucleon collision at mid-rapidity is measured to be 202 +/- 56 (stat.) +/- 40 (sys.) +/- 20 (norm.) mu b in p+p and 186 +/- 22 (stat.) +/- 30 (sys.) +/- 18 (norm.) mu b in Au+Au minimum bias collisions. The number of binary collisions scaling of charm cross section indicates that charm is produced via initial hard scatterings. No suppression of D-0 R-AA in Au+Au 0-80% minbias collisions is observed at p(T) below 3 GeV/c. Blast-wave predictions with light-quark hadron parameters are different from data, which may indicate that D-0 decouples earlier from the medium than the light-quark hadrons. C1 [Zhang, Yifei; STAR Collaboration] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA. RP Zhang, YF (reprint author), Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA. EM yzhang6@lbl.gov NR 12 TC 10 Z9 11 U1 0 U2 1 PU IOP PUBLISHING LTD PI BRISTOL PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND SN 0954-3899 J9 J PHYS G NUCL PARTIC JI J. Phys. G-Nucl. Part. Phys. PD DEC PY 2011 VL 38 IS 12 AR 124142 DI 10.1088/0954-3899/38/12/124142 PG 4 WC Physics, Nuclear; Physics, Particles & Fields SC Physics GA 946SP UT WOS:000304375300142 ER PT J AU Zhao, J AF Zhao, Jie CA STAR Collaboration TI Dielectron continuum production from root s(NN)=200 GeV p+p and Au+Au collisions at STAR SO JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS LA English DT Article AB We present the first STAR dielectron measurement in 200 GeV p+p and Au+Au collisions. Results are compared to hadron decay cocktails to search for vector meson in-medium modification in the lowmass region and quark-gluon plasma thermal radiation in the intermediate mass region. The omega -> e(+)e(-) spectra and the transverse mass distribution in the intermediate mass region are also discussed. C1 [Zhao, Jie] Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China. Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA. RP Zhao, J (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China. EM zhaojie@sinap.ac.cn FU NSFC of China [11035009, 10875159]; Shanghai Development Foundation for Science and Technology [09JC1416800]; Chinese Academy of Sciences [KJCX2-EW-N01] FX This work was supported in part by the NSFC of China under grant nos 11035009 and 10875159, the Shanghai Development Foundation for Science and Technology under contract no 09JC1416800 and the Knowledge Innovation Project of the Chinese Academy of Sciences under grant no KJCX2-EW-N01. NR 11 TC 26 Z9 26 U1 0 U2 1 PU IOP PUBLISHING LTD PI BRISTOL PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND SN 0954-3899 J9 J PHYS G NUCL PARTIC JI J. Phys. G-Nucl. Part. Phys. PD DEC PY 2011 VL 38 IS 12 AR 124134 DI 10.1088/0954-3899/38/12/124134 PG 4 WC Physics, Nuclear; Physics, Particles & Fields SC Physics GA 946SP UT WOS:000304375300134 ER PT J AU Goettler, DF Su, MF Reinke, CM Alaie, S Hopkins, PE Olsson, RH El-Kady, I Leseman, ZC AF Goettler, Drew F. Su, Mehmet F. Reinke, Charles M. Alaie, Seyedhamidreza Hopkins, Patrick E. Olsson, Roy H., III El-Kady, Ihab Leseman, Zayd C. TI Realization of a 33 GHz phononic crystal fabricated in a freestanding membrane SO AIP ADVANCES LA English DT Article; Proceedings Paper CT 1st International Conference on Phononic Crystals, Metamaterials and Optomechanics CY MAY 29-JUN 02, 2011 CL Santa Fe, NM ID FOCUSED ION-BEAM; INDUCED DEPOSITION AB Phononic crystals (PnCs) are man-made structures with periodically varying material properties such as density, rho, and elastic modulus, E. Periodic variations of the material properties with nanoscale characteristic dimensions yield PnCs that operate at frequencies above 10 GHz, allowing for the manipulation of thermal properties. In this article, a 2D simple cubic lattice PnC operating at 33 GHz is reported. The PnC is created by nanofabrication with a focused ion beam. A freestanding membrane of silicon is ion milled to create a simple cubic array of 32 nm diameter holes that are subsequently backfilled with tungsten to create inclusions at a spacing of 100 nm. Simulations are used to predict the operating frequency of the PnC. Additional modeling shows that milling a freestanding membrane has a unique characteristic; the exit via has a conical shape, or trumpet-like appearance. Copyright 2011 Author(s). This article is distributed under a Creative Commons Attribution 3.0 Unported License. [doi: 10.1063/1.3676170] C1 [Goettler, Drew F.; Su, Mehmet F.; Alaie, Seyedhamidreza; El-Kady, Ihab; Leseman, Zayd C.] Univ New Mexico, Dept Mech Engn, Albuquerque, NM 87131 USA. [Su, Mehmet F.; El-Kady, Ihab] Univ New Mexico, Dept Elect Engn, Albuquerque, NM 87131 USA. [Reinke, Charles M.; El-Kady, Ihab] Sandia Natl Labs, Dept Photon Microsyst Technol, Albuquerque, NM 87185 USA. [Hopkins, Patrick E.] Sandia Natl Labs, Dept Microscale Sci & Technol, Albuquerque, NM 87185 USA. [Olsson, Roy H., III] Sandia Natl Labs, Dept MEMS Technol, Albuquerque, NM 87185 USA. RP Goettler, DF (reprint author), Univ New Mexico, Dept Mech Engn, Albuquerque, NM 87131 USA. RI El-Kady, Ihab/D-2886-2013; OI El-Kady, Ihab/0000-0001-7417-9814; Reinke, Charles/0000-0002-5869-9817; alaie, seyedhamidreza/0000-0001-6359-297X FU Office of Basic Energy Sciences, Division of Materials Sciences and Engineering [DE - FG02 - 10ER46720]; National Science Foundation [CMMI 1056077]; Laboratory Directed Research and Development at Sandia National Laboratories; United States Department of Energy's National Nuclear Security Administration [DE-AC04-94AL85000] FX DFG, MFS, SA, and ZCL would like to thank the Office of Basic Energy Sciences, Division of Materials Sciences and Engineering under Contract No. DE - FG02 - 10ER46720 (Drs. Kortan and Fitzsimmons), and the National Science Foundation under Grant No. CMMI 1056077 (Dr. Eduardo Misawa). This work was also supported by the Laboratory Directed Research and Development program at Sandia National Laboratories. Sandia National Laboratories is a multiprogram laboratory operated by the Sandia Corporation, Lockheed Martin Company, for the United States Department of Energy's National Nuclear Security Administration under Contract No. DE-AC04-94AL85000. Portions of the work were carried out in UNM's Manufacturing Training and Technology Center and UNM's Nano Synthesis Facility. NR 29 TC 7 Z9 7 U1 1 U2 12 PU AMER INST PHYSICS PI MELVILLE PA 1305 WALT WHITMAN RD, STE 300, MELVILLE, NY 11747-4501 USA SN 2158-3226 J9 AIP ADV JI AIP Adv. PD DEC PY 2011 VL 1 IS 4 AR 042001 DI 10.1063/1.3676170 PG 8 WC Nanoscience & Nanotechnology; Materials Science, Multidisciplinary; Physics, Applied SC Science & Technology - Other Topics; Materials Science; Physics GA 916ZG UT WOS:000302141100025 ER PT J AU Hussein, MI El-Kady, I AF Hussein, Mahmoud I. El-Kady, Ihab TI Special Topic: Selected Articles from Phononics 2011: The First International Conference on Phononic Crystals, Metamaterials and Optomechanics, 29 May-2 June 2011, Santa Fe, New Mexico, USA Preface SO AIP ADVANCES LA English DT Editorial Material C1 [Hussein, Mahmoud I.] Univ Colorado, Dept Aerosp Engn Sci, Boulder, CO 80309 USA. [El-Kady, Ihab] Sandia Natl Labs, Albuquerque, NM 87185 USA. [El-Kady, Ihab] Univ New Mexico, Dept Mech Engn, Albuquerque, NM 87131 USA. RP Hussein, MI (reprint author), Univ Colorado, Dept Aerosp Engn Sci, Boulder, CO 80309 USA. RI El-Kady, Ihab/D-2886-2013; Hussein, Mahmoud/D-5567-2009 OI El-Kady, Ihab/0000-0001-7417-9814; NR 21 TC 4 Z9 4 U1 0 U2 8 PU AMER INST PHYSICS PI MELVILLE PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1, MELVILLE, NY 11747-4501 USA SN 2158-3226 J9 AIP ADV JI AIP Adv. PD DEC PY 2011 VL 1 IS 4 AR 041301 DI 10.1063/1.3676188 PG 2 WC Nanoscience & Nanotechnology; Materials Science, Multidisciplinary; Physics, Applied SC Science & Technology - Other Topics; Materials Science; Physics GA 916ZG UT WOS:000302141100004 ER PT J AU Reinke, CM Su, MF Davis, BL Kim, B Hussein, MI Leseman, ZC Olsson, RH El-Kady, I AF Reinke, Charles M. Su, Mehmet F. Davis, Bruce L. Kim, Bongsang Hussein, Mahmoud I. Leseman, Zayd C. Olsson, Roy H., III El-Kady, Ihab TI Thermal conductivity prediction of nanoscale phononic crystal slabs using a hybrid lattice dynamics-continuum mechanics technique SO AIP ADVANCES LA English DT Article; Proceedings Paper CT 1st International Conference on Phononic Crystals, Metamaterials and Optomechanics CY MAY 29-JUN 02, 2011 CL Santa Fe, NM ID EFFICIENT THERMOELECTRIC-MATERIAL; BAND-STRUCTURE; SUPERLATTICES; CONFINEMENT; SILICON; SI AB Recent work has demonstrated that nanostructuring of a semiconductor material to form a phononic crystal (PnC) can significantly reduce its thermal conductivity. In this paper, we present a classical method that combines atomic-level information with the application of Bloch theory at the continuum level for the prediction of the thermal conductivity of finite-thickness PnCs with unit cells sized in the micron scale. Lattice dynamics calculations are done at the bulk material level, and the plane-wave expansion method is implemented at the macrosale PnC unit cell level. The combination of the lattice dynamics-based and continuum mechanics-based dispersion information is then used in the Callaway-Holland model to calculate the thermal transport properties of the PnC. We demonstrate that this hybrid approach provides both accurate and efficient predictions of the thermal conductivity. Copyright 2011 Author(s). This article is distributed under a Creative Commons Attribution 3.0 Unported License. [doi: 10.1063/1.3675918] C1 [Reinke, Charles M.; Kim, Bongsang; Olsson, Roy H., III; El-Kady, Ihab] Sandia Natl Labs, Albuquerque, NM 87185 USA. [Davis, Bruce L.; Hussein, Mahmoud I.] Univ Colorado, Boulder, CO 80309 USA. [Su, Mehmet F.; Leseman, Zayd C.; El-Kady, Ihab] Univ New Mexico, Albuquerque, NM 87131 USA. RP El-Kady, I (reprint author), Sandia Natl Labs, POB 5800,MS 1082, Albuquerque, NM 87185 USA. EM ielkady@sandia.gov RI El-Kady, Ihab/D-2886-2013; Hussein, Mahmoud/D-5567-2009; OI El-Kady, Ihab/0000-0001-7417-9814; Reinke, Charles/0000-0002-5869-9817 FU U.S. Department of Energy's National Nuclear Security Administration [DE-AC04-94AL85000]; National Science Foundation [CMMI 0927322, CMMI 1056077]; Office of Basic Energy Sciences, Division of Materials Sciences and Engineering [DE - FG02 - 10ER46720] FX Sandia National Laboratories is a multi-program laboratory managed and operated by Sandia Corporation, a wholly owned subsidiary of Lockheed Martin Corporation, for the U.S. Department of Energy's National Nuclear Security Administration under contract DE-AC04-94AL85000. BLD and MIH would like to thank Dr. Eduardo A. Misawa and the National Science Foundation for their support under Grant No. CMMI 0927322. ZCL would like to thank the Office of Basic Energy Sciences, Division of Materials Sciences and Engineering under Contract No. DE - FG02 - 10ER46720 (Drs. Kortan and Fitzsimmons), and the National Science Foundation under Grant No. CMMI 1056077 (Dr. Eduardo Misawa). NR 44 TC 13 Z9 13 U1 0 U2 19 PU AMER INST PHYSICS PI MELVILLE PA 1305 WALT WHITMAN RD, STE 300, MELVILLE, NY 11747-4501 USA SN 2158-3226 J9 AIP ADV JI AIP Adv. PD DEC PY 2011 VL 1 IS 4 AR 041403 DI 10.1063/1.3675918 PG 14 WC Nanoscience & Nanotechnology; Materials Science, Multidisciplinary; Physics, Applied SC Science & Technology - Other Topics; Materials Science; Physics GA 916ZG UT WOS:000302141100007 ER PT J AU El-Mamouni, F Zhang, EX Pate, ND Hooten, N Schrimpf, RD Reed, RA Galloway, KF McMorrow, D Warner, J Simoen, E Claeys, C Griffoni, A Linten, D Vizkelethy, G AF El-Mamouni, F. Zhang, E. X. Pate, N. D. Hooten, N. Schrimpf, R. D. Reed, R. A. Galloway, K. F. McMorrow, D. Warner, J. Simoen, E. Claeys, C. Griffoni, A. Linten, D. Vizkelethy, G. TI Laser- and Heavy Ion-Induced Charge Collection in Bulk FinFETs SO IEEE TRANSACTIONS ON NUCLEAR SCIENCE LA English DT Article; Proceedings Paper CT IEEE Radiation Effects Data Workshop (REDW)/48th IEEE International Nuclear and Space Radiation Effects Conference (NSREC) CY JUL 25-29, 2011 CL Las Vegas, NV SP Inst Elect & Elect Engineers (IEEE), IEEE Nucl & Plasma Sci Soc, Radiat Effects Comm DE Bulk FinFET; charge collection; ion-beam-induced-charge-collection (IBICC); single event transient (SET); through-wafer two-photon absorption (TPA) ID SEU AB Through-wafer two-photon absorption laser experiments were performed on bulk FinFETs. Transients show distinct signatures for charge collection from drift and diffusion, demonstrating the contribution of charge generated in the substrate to the charge collection process. This result was validated through heavy ion testing on more advanced bulk FinFETs with fin widths as narrow as 5 nm. The drain region dominates the charge collection, with as much as 45 fC of charge collected in the drain region. C1 [El-Mamouni, F.; Zhang, E. X.; Pate, N. D.; Hooten, N.; Schrimpf, R. D.; Reed, R. A.; Galloway, K. F.] Vanderbilt Univ, Dept Elect Engn & Comp Sci, Nashville, TN 37235 USA. [McMorrow, D.; Warner, J.] USN, Res Lab, Washington, DC USA. [Simoen, E.; Claeys, C.; Griffoni, A.; Linten, D.] Interuniv MicroElect Ctr Imec, B-3001 Louvain, Belgium. [Vizkelethy, G.] Sandia Natl Labs, Albuquerque, NM USA. RP El-Mamouni, F (reprint author), Vanderbilt Univ, Dept Elect Engn & Comp Sci, VU BOX 351825,Stn B, Nashville, TN 37235 USA. EM farah.el.mamouni@van-derbilt.edu; enxia.zhang@vanderbilt.edu; Nick.D.Pate@vanderbilt.edu; nick.hooten@gmail.com; ron.schrimpf@vanderbilt.edu; robert.reed@vander-bilt.edu; kenneth.f.galloway@vanderbilt.edu; mcmorrow@ccs.nrl.navy.mil; warnerj@ccs.nrl.navy.mil; eddy.simoen@imec.be; cor.claeys@imec.be; alessio.griffoni@imec.be; dim-itri.linten@imec.be; gvizkel@sandia.gov RI Schrimpf, Ronald/L-5549-2013 OI Schrimpf, Ronald/0000-0001-7419-2701 NR 10 TC 24 Z9 24 U1 0 U2 13 PU IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC PI PISCATAWAY PA 445 HOES LANE, PISCATAWAY, NJ 08855-4141 USA SN 0018-9499 J9 IEEE T NUCL SCI JI IEEE Trans. Nucl. Sci. PD DEC PY 2011 VL 58 IS 6 BP 2563 EP 2569 DI 10.1109/TNS.2011.2171994 PN 1 PG 7 WC Engineering, Electrical & Electronic; Nuclear Science & Technology SC Engineering; Nuclear Science & Technology GA 905QN UT WOS:000301287400003 ER PT J AU Andrew, M Sierawski, BD Warren, KM Mendenhall, MH Dodds, NA Weller, RA Reed, RA Dodd, PE Shaneyfelt, MR Schwank, JR Wender, SA Baumann, RC AF Andrew, Michael Sierawski, Brian D. Warren, Kevin M. Mendenhall, Marcus H. Dodds, Nathaniel A. Weller, Robert A. Reed, Robert A. Dodd, Paul E. Shaneyfelt, Marty R. Schwank, James R. Wender, Stephen A. Baumann, Robert C. TI The Effects of Neutron Energy and High-Z Materials on Single Event Upsets and Multiple Cell Upsets SO IEEE TRANSACTIONS ON NUCLEAR SCIENCE LA English DT Article; Proceedings Paper CT IEEE Radiation Effects Data Workshop (REDW)/48th IEEE International Nuclear and Space Radiation Effects Conference (NSREC) CY JUL 25-29, 2011 CL Las Vegas, NV SP Inst Elect & Elect Engineers (IEEE), IEEE Nucl & Plasma Sci Soc, Radiat Effects Comm DE Charge collection; computer simulation; energy deposition; GEANT4; Monte Carlo simulation; multiple bit upsets; neutron radiation effects; nuclear reactions; single event mechanism ID GENERATION; SRAMS AB Neutron-induced charge collection data and computer simulations presented here show that the presence of high-Z materials, like tungsten, can increase the single event upset (SEU) and multiple cell upset (MCU) cross sections of high critical charge (Q(crit)) devices exposed to the terrestrial neutron environment because of interactions with high energy (> 100 MeV) neutrons. Time-of-flight data and computer simulations presented here demonstrate that 14 MeV neutrons do not produce highly ionizing secondary particles. Thus, 14 MeV neutrons can only simulate the SEU response of 65 nm SRAM devices in the terrestrial neutron environment for devices with a Q(crit) < 27 fC, and can simulate the 2-bit MCU response to within a factor of two only for very low Q(crit) devices, < 1.2 fC. Additionally, it is shown that 14 MeV neutrons cannot adequately simulate the 3 or more bit MCU response for typical 65 nm SRAM devices. C1 [Andrew, Michael] Vanderbilt Univ, Dept Phys & Astron, Nashville, TN 37235 USA. [Sierawski, Brian D.; Warren, Kevin M.; Mendenhall, Marcus H.; Dodds, Nathaniel A.; Weller, Robert A.; Reed, Robert A.] Vanderbilt Univ, Dept Elect Engn & Comp Sci, Nashville, TN 37235 USA. [Dodd, Paul E.; Shaneyfelt, Marty R.; Schwank, James R.] Sandia Natl Labs, Albuquerque, NM 87123 USA. [Wender, Stephen A.] Los Alamos Natl Labs, Los Alamos, NM 87544 USA. [Baumann, Robert C.] Texas Instruments Inc, Dallas, TX 75243 USA. RP Andrew, M (reprint author), Vanderbilt Univ, Dept Phys & Astron, Nashville, TN 37235 USA. EM michael.a.clemens@vanderbilt.edu; brian.sierawski@vanderbilt.edu; kevin.m.warren@vander-bilt.edu; marcus.h.mendenhall@vanderbilt.edu; nathaniel.dodds@vanderbilt.edu; robert.a.weller@vanderbilt.edu; robert.reed@vanderbilt.edu; pedodd@sandia.gov; shaneymr@sandia.gov; schwanjr@sandia.gov; wender@lanl.gov; rbaum@ti.com OI Wender, Stephen/0000-0002-2446-5115 NR 21 TC 15 Z9 17 U1 0 U2 11 PU IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC PI PISCATAWAY PA 445 HOES LANE, PISCATAWAY, NJ 08855-4141 USA SN 0018-9499 J9 IEEE T NUCL SCI JI IEEE Trans. Nucl. Sci. PD DEC PY 2011 VL 58 IS 6 BP 2591 EP 2598 DI 10.1109/TNS.2011.2171716 PN 1 PG 8 WC Engineering, Electrical & Electronic; Nuclear Science & Technology SC Engineering; Nuclear Science & Technology GA 905QN UT WOS:000301287400007 ER PT J AU Dodd, PE Shaneyfelt, MR Flores, RS Schwank, JR Hill, TA McMorrow, D Vizkelethy, G Swanson, SE Dalton, SM AF Dodd, Paul E. Shaneyfelt, Marty R. Flores, Richard S. Schwank, James R. Hill, Thomas A. McMorrow, Dale Vizkelethy, Gyorgy Swanson, Scot E. Dalton, Scott M. TI Single-Event Upsets and Distributions in Radiation-Hardened CMOS Flip-Flop Logic Chains SO IEEE TRANSACTIONS ON NUCLEAR SCIENCE LA English DT Article; Proceedings Paper CT IEEE Radiation Effects Data Workshop (REDW)/48th IEEE International Nuclear and Space Radiation Effects Conference (NSREC) CY JUL 25-29, 2011 CL Las Vegas, NV SP Inst Elect & Elect Engineers (IEEE), IEEE Nucl & Plasma Sci Soc, Radiat Effects Comm DE Application specific integrated circuits (ASICs); flip-flops; ion radiation effects; radiation effects; radiation hardening; silicon-on-insulator (SOI) technology; single-event effects; single-event transients (SET); single-event upset (SEU); soft error rate AB Single-event upsets are studied in digital logic cells in a radiation-hardened CMOS SOI technology. The sensitivity of SEU to different strike locations and hardening approaches is explored using broadbeam and focused beam experiments. Error distributions in chains of logic flip-flops are studied to determine the impact of various cell designs and hardening techniques on upset uniformity. C1 [Dodd, Paul E.; Shaneyfelt, Marty R.; Flores, Richard S.; Schwank, James R.; Hill, Thomas A.; Vizkelethy, Gyorgy; Swanson, Scot E.; Dalton, Scott M.] Sandia Natl Labs, Albuquerque, NM 87185 USA. [McMorrow, Dale] USN, Res Lab, Washington, DC 20375 USA. RP Dodd, PE (reprint author), Sandia Natl Labs, POB 5800, Albuquerque, NM 87185 USA. EM pedodd@sandia.gov; shaneymr@sandia.gov; floresr@sandia.gov; schwanjr@sandia.gov; hillta@sandia.gov; dale.mcmorrow@nrl.navy.mil; gvizkel@sandia.gov; swansose@sandia.gov; smdalto@sandia.gov NR 15 TC 3 Z9 3 U1 0 U2 9 PU IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC PI PISCATAWAY PA 445 HOES LANE, PISCATAWAY, NJ 08855-4141 USA SN 0018-9499 J9 IEEE T NUCL SCI JI IEEE Trans. Nucl. Sci. PD DEC PY 2011 VL 58 IS 6 BP 2695 EP 2701 DI 10.1109/TNS.2011.2169683 PN 1 PG 7 WC Engineering, Electrical & Electronic; Nuclear Science & Technology SC Engineering; Nuclear Science & Technology GA 905QN UT WOS:000301287400021 ER PT J AU Rodbell, KP Heidel, DF Pellish, JA Marshall, PW Tang, HHK Murray, CE LaBel, KA Gordon, MS Stawiasz, KG Schwank, JR Berg, MD Kim, HS Friendlich, MR Phan, AM Seidleck, CM AF Rodbell, Kenneth P. Heidel, David F. Pellish, Jonathan A. Marshall, Paul W. Tang, Henry H. K. Murray, Conal E. LaBel, Kenneth A. Gordon, Michael S. Stawiasz, Kevin G. Schwank, James R. Berg, Melanie D. Kim, Hak S. Friendlich, Mark. R. Phan, Anthony M. Seidleck, Christina M. TI 32 and 45 nm Radiation-Hardened-by-Design (RHBD) SOI Latches SO IEEE TRANSACTIONS ON NUCLEAR SCIENCE LA English DT Article; Proceedings Paper CT IEEE Radiation Effects Data Workshop (REDW)/48th IEEE International Nuclear and Space Radiation Effects Conference (NSREC) CY JUL 25-29, 2011 CL Las Vegas, NV SP Inst Elect & Elect Engineers (IEEE), IEEE Nucl & Plasma Sci Soc, Radiat Effects Comm DE 32 nm and 45 nm SOI hardened latches; angle dependent cross-section distributions; heavy ion modeling; sensitive node separation; silicon-on-insulator technology (SOI); single event upset (SEU); single event effects (SEE); track structures ID SINGLE-EVENT-UPSETS; ION TRACKS; HEAVY-ION; SILICON; ENERGY; ELECTRON AB Single event upset (SEU) experimental heavy ion data and modeling results for CMOS, silicon-on-insulator (SOI), 32 nm and 45 nm stacked and DICE latches are presented. Novel data analysis is shown to be important for hardness assurance where Monte Carlo modeling with a realistic heavy ion track structure, along with a new visualization aid (the Angular Dependent Cross-section Distribution, ADCD), allows one to quickly assess the improvements, or limitations, of a particular latch design. It was found to be an effective technique for making SEU predictions for alternative 32 nm SOI latch layouts. C1 [Rodbell, Kenneth P.; Heidel, David F.; Tang, Henry H. K.; Murray, Conal E.; Gordon, Michael S.; Stawiasz, Kevin G.] IBM TJ Watson Res Ctr, Yorktown Hts, NY 10598 USA. [Pellish, Jonathan A.; LaBel, Kenneth A.] NASA, Goddard Space Flight Ctr, Greenbelt, MD 20771 USA. [Marshall, Paul W.] NASA, Brookneal, VA 24528 USA. [Schwank, James R.] Sandia Natl Labs, Albuquerque, NM 87175 USA. [Berg, Melanie D.; Kim, Hak S.; Friendlich, Mark. R.; Phan, Anthony M.; Seidleck, Christina M.] MEI Technol, Seabrook, MD 20706 USA. RP Rodbell, KP (reprint author), IBM TJ Watson Res Ctr, Yorktown Hts, NY 10598 USA. EM rodbell@us.ibm.com NR 28 TC 22 Z9 22 U1 1 U2 7 PU IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC PI PISCATAWAY PA 445 HOES LANE, PISCATAWAY, NJ 08855-4141 USA SN 0018-9499 J9 IEEE T NUCL SCI JI IEEE Trans. Nucl. Sci. PD DEC PY 2011 VL 58 IS 6 BP 2702 EP 2710 DI 10.1109/TNS.2011.2171715 PN 1 PG 9 WC Engineering, Electrical & Electronic; Nuclear Science & Technology SC Engineering; Nuclear Science & Technology GA 905QN UT WOS:000301287400022 ER PT J AU Gouker, PM Tyrrell, B D'Onofrio, R Wyatt, P Soares, T Hu, WL Chen, CS Schwank, JR Shaneyfelt, MR Blackmore, EW Delikat, K Nelson, M McMarr, P Hughes, H Ahlbin, JR Weeden-Wright, S Schrimpf, R AF Gouker, Pascale M. Tyrrell, Brian D'Onofrio, Richard Wyatt, Peter Soares, Tony Hu, Weilin Chen, Chenson Schwank, James R. Shaneyfelt, Marty R. Blackmore, Ewart W. Delikat, Kelly Nelson, Marty McMarr, Patrick Hughes, Harold Ahlbin, Jonathan R. Weeden-Wright, Stephanie Schrimpf, Ron TI Radiation Effects in 3D Integrated SOI SRAM Circuits SO IEEE TRANSACTIONS ON NUCLEAR SCIENCE LA English DT Article; Proceedings Paper CT IEEE Radiation Effects Data Workshop (REDW)/48th IEEE International Nuclear and Space Radiation Effects Conference (NSREC) CY JUL 25-29, 2011 CL Las Vegas, NV SP Inst Elect & Elect Engineers (IEEE), IEEE Nucl & Plasma Sci Soc, Radiat Effects Comm DE 3D integration; fully depleted; neutron; protons; single event effects (SEEs); SOI; upset cross section ID SINGLE-EVENT UPSETS AB Radiation effects are presented for the first time for vertically integrated 3 x 64 - kb SOI SRAM circuits fabricated using the 3D process developed at MIT Lincoln Laboratory. Three fully-fabricated 2D circuit wafers are stacked using standard CMOS fabrication techniques including thin-film planarization, layer alignment and oxide bonding. Micron-scale dense 3D vias are fabricated to interconnect circuits between tiers. Ionizing dose and single event effects are discussed for proton irradiation with energies between 4.8 and 500 MeV. Results are compared with 14-MeV neutron irradiation. Single event upset cross section, tier-to-tier and angular effects are discussed. The interaction of 500-MeV protons with tungsten interconnects is investigated using Monte-Carlo simulations. Results show no tier-to-tier effects and comparable radiation effects on 2D and 3D SRAMs. 3DIC technology should be a good candidate for fabricating circuits for space applications. C1 [Gouker, Pascale M.; Tyrrell, Brian; D'Onofrio, Richard; Wyatt, Peter; Soares, Tony; Hu, Weilin; Chen, Chenson] MIT, Lincoln Lab, Lexington, MA 02420 USA. [Schwank, James R.; Shaneyfelt, Marty R.] Sandia Natl Labs, Albuquerque, NM 87123 USA. [Blackmore, Ewart W.] TRIUMF, Vancouver, BC V6T 2A3, Canada. [Delikat, Kelly; Nelson, Marty] USN Acad, Annapolis, MD 21401 USA. [McMarr, Patrick; Hughes, Harold] USN, Res Lab, Washington, DC 20375 USA. [Ahlbin, Jonathan R.; Weeden-Wright, Stephanie; Schrimpf, Ron] Vanderbilt Univ, Dept Elect Engn & Comp Sci, Nashville, TN 37235 USA. RP Gouker, PM (reprint author), MIT, Lincoln Lab, L304, Lexington, MA 02420 USA. EM pgouker@ll.mit.edu; tyrrell@ll.mit.edu; donofrio@ll.mit.edu; wyatt@ll.mit.edu; soares@ll.mit.edu; who@ll.mit.edu; chen@ll.mit.edu; schwanjr@ll.MIT.edu; shaneymr@ll.MIT.edu; ewb@triumf.ca; delikat@usna.edu; nelson@usna.edu; riskater@aol.com; hughes@nrl.navy.mil; jon.ahlbin@vanderbilt.edu; stephanie.l.wright@vanderbilt.edu; ron.schrimpf@vanderbilt.edu RI Schrimpf, Ronald/L-5549-2013 OI Schrimpf, Ronald/0000-0001-7419-2701 NR 25 TC 4 Z9 5 U1 3 U2 9 PU IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC PI PISCATAWAY PA 445 HOES LANE, PISCATAWAY, NJ 08855-4141 USA SN 0018-9499 J9 IEEE T NUCL SCI JI IEEE Trans. Nucl. Sci. PD DEC PY 2011 VL 58 IS 6 BP 2845 EP 2854 DI 10.1109/TNS.2011.2172463 PN 1 PG 10 WC Engineering, Electrical & Electronic; Nuclear Science & Technology SC Engineering; Nuclear Science & Technology GA 905QN UT WOS:000301287400042 ER PT J AU Esqueda, IS Barnaby, HJ Adell, PC Rax, BG Hjalmarson, HP McLain, ML Pease, RL AF Esqueda, Ivan S. Barnaby, Hugh J. Adell, Philippe C. Rax, Bernard G. Hjalmarson, Harold P. McLain, Michael L. Pease, Ronald L. TI Modeling Low Dose Rate Effects in Shallow Trench Isolation Oxides SO IEEE TRANSACTIONS ON NUCLEAR SCIENCE LA English DT Article; Proceedings Paper CT IEEE Radiation Effects Data Workshop (REDW)/48th IEEE International Nuclear and Space Radiation Effects Conference (NSREC) CY JUL 25-29, 2011 CL Las Vegas, NV SP Inst Elect & Elect Engineers (IEEE), IEEE Nucl & Plasma Sci Soc, Radiat Effects Comm DE Bipolar; CMOS; dose rate; enhanced low dose rate sensitivity (ELDRS); interface traps; shallow trench isolation (STI); silicon dioxide; total ionizing dose (TID) ID RATE SENSITIVITY ELDRS; BIPOLAR-TRANSISTORS; INTERFACE STATES; PHYSICAL MODEL; MOS DEVICES; RADIATION; HYDROGEN; IRRADIATION; MECHANISMS AB Low dose rate experiments on field-oxide-field-effect-transistors (FOXFETs) fabricated in a 90 nm CMOS technology indicate that there is a dose rate enhancement factor (EF) associated with radiation-induced degradation. One dimensional (1-D) numerical calculations are used to investigate the key mechanisms responsible for the dose rate dependent buildup of radiation-induced defects in shallow trench isolation (STI) oxides. Calculations of damage EF indicate that oxide thickness, distribution of hole traps and hole capture cross-section affect dose rate sensitivity. The dose rate sensitivity of STI oxides is compared with the sensitivity of bipolar base oxides using model calculations. C1 [Esqueda, Ivan S.; Barnaby, Hugh J.] Arizona State Univ, Sch Elect Comp & Energy Engn, Tempe, AZ 85287 USA. [Adell, Philippe C.; Rax, Bernard G.] CALTECH, Jet Prop Lab, Pasadena, CA 91109 USA. [Hjalmarson, Harold P.; McLain, Michael L.] Sandia Natl Labs, Albuquerque, NM 87185 USA. [Pease, Ronald L.] RLP Res, Los Lunas, NM 87031 USA. RP Esqueda, IS (reprint author), Arizona State Univ, Sch Elect Comp & Energy Engn, Tempe, AZ 85287 USA. EM ivans@asu.edu; hbarnaby@asu.edu; philippe.c.adell@jpl.nasa.gov; hphjalm@sandia.gov; lsrlpease@wildblue.net NR 29 TC 7 Z9 8 U1 0 U2 9 PU IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC PI PISCATAWAY PA 445 HOES LANE, PISCATAWAY, NJ 08855-4141 USA SN 0018-9499 J9 IEEE T NUCL SCI JI IEEE Trans. Nucl. Sci. PD DEC PY 2011 VL 58 IS 6 BP 2945 EP 2952 DI 10.1109/TNS.2011.2168569 PN 1 PG 8 WC Engineering, Electrical & Electronic; Nuclear Science & Technology SC Engineering; Nuclear Science & Technology GA 905QN UT WOS:000301287400056 ER PT J AU Schwank, JR Shaneyfelt, MR Dodd, PE McMorrow, D Warner, JH Ferlet-Cavrois, V Gouker, PM Melinger, JS Pellish, JA Rodbell, KP Heidel, DF Marshall, PW LaBel, K Swanson, SE AF Schwank, James R. Shaneyfelt, Marty R. Dodd, Paul E. McMorrow, Dale Warner, Jeffrey H. Ferlet-Cavrois, Veronique Gouker, Pascale M. Melinger, Joseph S. Pellish, Jonathan A. Rodbell, Kenneth P. Heidel, David F. Marshall, Paul W. LaBel, KennethA. Swanson, Scot E. TI Comparison of Single and Two-Photon Absorption for Laser Characterization of Single-Event Upsets in SOI SRAMs SO IEEE TRANSACTIONS ON NUCLEAR SCIENCE LA English DT Article; Proceedings Paper CT IEEE Radiation Effects Data Workshop (REDW)/48th IEEE International Nuclear and Space Radiation Effects Conference (NSREC) CY JUL 25-29, 2011 CL Las Vegas, NV SP Inst Elect & Elect Engineers (IEEE), IEEE Nucl & Plasma Sci Soc, Radiat Effects Comm DE Hardness assurance; heavy-ion testing; laser testing; single-event upset; threshold LET; two-photon absorption ID CHARGE COLLECTION; ION ENERGY; HEAVY-ION; CIRCUITS; IMPACT AB The laser pulse energy thresholds for single-event upset measured by single photon and two photon absorption are measured and compared for Sandia SRAMs and DPSRAMs, and IBM 45-nm SRAMs for devices with and without the back substrate removed. These results are also compared to heavy-ion results taken on the same devices. Sandia SRAM data taken on different test dates resulted in considerably different TPA laser pulse energy thresholds even though the TPA system was calibrated using standard techniques each test date. These differences are believed to be due to changes in laser spot size. This shows that it is imperative to develop a calibration procedure that monitors all relevant laser parameters if TPA is to be used as a routine quantitative tool. Removing the back substrate makes a very large difference in TPA laser pulse energy threshold. This large difference is likely due to either displacement currents generated in the back substrate by TPA and/or nonlinear optical effects which can reduce the laser pulse irradiance in the active region. Nevertheless, the mechanism does not appear to affect the qualitative nature of TPA measurements. Both SPA and TPA laser measurements were used to estimate the heavy-ion threshold LETs of the Sandia DPSRAMs and 45-nm IBM SRAMs. Both SPA and TPA overestimated the heavy-ion threshold LET of the IBM 45-nm SRAMs (likely due to the large laser spot size compared to the size of the SRAM cell), but reasonably estimated the threshold LETs of the Sandia DPSRAMs. For the first time, TPA laser pulse energy (squared) is directly compared to SPA laser pulse energy at threshold. There is reasonable quantitative agreement between the charge required to induce upsets by TPA and SPA with the back substrate removed. C1 [Schwank, James R.; Shaneyfelt, Marty R.; Dodd, Paul E.; Swanson, Scot E.] Sandia Natl Labs, Albuquerque, NM 87185 USA. [McMorrow, Dale; Warner, Jeffrey H.; Melinger, Joseph S.] USN, Res Lab, Washington, DC 20375 USA. [Ferlet-Cavrois, Veronique] ESA ESTEC, NL-2200 AG Noordwijk, Netherlands. [Gouker, Pascale M.] MIT, Lincoln Lab, Lexington, MA 02420 USA. [Pellish, Jonathan A.; LaBel, KennethA.] NASA, Goddard Space Flight Ctr, Greenbelt, MD 20771 USA. [Rodbell, Kenneth P.; Heidel, David F.] IBM Corp, Thomas J Watson Res Ctr, Yorktown Hts, NY 10598 USA. [Marshall, Paul W.] NASA, Brookneal, VA 24528 USA. RP Schwank, JR (reprint author), Sandia Natl Labs, POB 5800, Albuquerque, NM 87185 USA. EM schwanjr@sandia.gov NR 14 TC 3 Z9 3 U1 2 U2 5 PU IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC PI PISCATAWAY PA 445 HOES LANE, PISCATAWAY, NJ 08855-4141 USA SN 0018-9499 J9 IEEE T NUCL SCI JI IEEE Trans. Nucl. Sci. PD DEC PY 2011 VL 58 IS 6 BP 2968 EP 2975 DI 10.1109/TNS.2011.2171006 PN 1 PG 8 WC Engineering, Electrical & Electronic; Nuclear Science & Technology SC Engineering; Nuclear Science & Technology GA 905QN UT WOS:000301287400059 ER PT J AU Messenger, SR Jackson, EM Warner, JH Walters, RJ Cayton, TE Chen, Y Friedel, RW Kippen, RM Reed, B AF Messenger, Scott R. Jackson, Eric M. Warner, Jeffrey H. Walters, Robert J. Cayton, Thomas E. Chen, Yue Friedel, Reiner W. Kippen, R. Marc Reed, Brad TI Correlation of Telemetered Solar Array Data With Particle Detector Data On GPS Spacecraft SO IEEE TRANSACTIONS ON NUCLEAR SCIENCE LA English DT Article; Proceedings Paper CT IEEE Radiation Effects Data Workshop (REDW)/48th IEEE International Nuclear and Space Radiation Effects Conference (NSREC) CY JUL 25-29, 2011 CL Las Vegas, NV SP Inst Elect & Elect Engineers (IEEE), IEEE Nucl & Plasma Sci Soc, Radiat Effects Comm DE Dosimetry; irradiation damage; nonionizing energy loss; solar cells ID NONIONIZING ENERGY-LOSS; DISPLACEMENT DAMAGE; DEVICE APPLICATIONS; NIEL AB BDD-IIR radiation environment detector data are used to calculate the expected solar array degradation for over 9 years of GPS orbit and compared with telemetered solar array data. The large discrepancy between the predicted and measured solar array output remains, thereby eliminating displacement damage as the sole damage mechanism to the solar arrays. C1 [Messenger, Scott R.; Jackson, Eric M.; Warner, Jeffrey H.; Walters, Robert J.] USN, Res Lab, Washington, DC 20375 USA. [Cayton, Thomas E.; Chen, Yue; Friedel, Reiner W.; Kippen, R. Marc] Los Alamos Natl Lab, Los Alamos, NM 87545 USA. [Reed, Brad] Los Angeles AFB, Space & Missiles Syst Ctr, El Segundo, CA 90245 USA. RP Messenger, SR (reprint author), USN, Res Lab, Washington, DC 20375 USA. EM scream@nrl.navy.mil RI Friedel, Reiner/D-1410-2012 OI Friedel, Reiner/0000-0002-5228-0281 NR 31 TC 6 Z9 6 U1 0 U2 5 PU IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC PI PISCATAWAY PA 445 HOES LANE, PISCATAWAY, NJ 08855-4141 USA SN 0018-9499 J9 IEEE T NUCL SCI JI IEEE Trans. Nucl. Sci. PD DEC PY 2011 VL 58 IS 6 BP 3118 EP 3125 DI 10.1109/TNS.2011.2172957 PN 1 PG 8 WC Engineering, Electrical & Electronic; Nuclear Science & Technology SC Engineering; Nuclear Science & Technology GA 905QN UT WOS:000301287400079 ER PT J AU Bolotnikov, AE Babalola, S Camarda, GS Cui, Y Egarievwe, SU Gul, R Hossain, A Kim, KH Mayo, DR Smith, MK Yang, G James, RB AF Bolotnikov, A. E. Babalola, S. Camarda, G. S. Cui, Y. Egarievwe, S. U. Gul, R. Hossain, A. Kim, K. Hyun Mayo, D. R. Smith, M. K. Yang, G. James, R. B. TI Performance of a Large Volume 20x20x15 mm(3) CPG Detector SO IEEE TRANSACTIONS ON NUCLEAR SCIENCE LA English DT Article DE CdZnTe; crystal defects; radiation detectors ID X-RAY; RADIATION AB Large-volume CdZnTe (CZT) single crystals with electron lifetimes exceeding 10 mu s recently became available commercially for making large effective area gamma-ray arrays. However, significant variations were observed in the performance of detectors made from such arrays. We evaluated the spectroscopic performance of such a large-volume, 20 20 15 mm, coplanar-grid (CPG) CdZnTe detector, intended for use in a handheld radioisotope-identifier, which unexpectedly showed a poor spectral performance with an energy resolution of 3.5-4% FWHM measured with 662-keV gamma-rays. To understand the factors affecting its performance, we applied several characterization techniques, viz., white X-ray diffraction topography measurements, IR microscopy, and micron-spatial resolution X-ray mapping. They allowed us to identify major crystal defects in the device that limit its energy resolution and detection efficiency. C1 [Bolotnikov, A. E.; Camarda, G. S.; Cui, Y.; Gul, R.; Hossain, A.; Kim, K. Hyun; Yang, G.; James, R. B.] Brookhaven Natl Lab, Upton, NY 11793 USA. [Babalola, S.; Egarievwe, S. U.] Alabama A&M Univ, Huntsville, AL 35762 USA. [Mayo, D. R.; Smith, M. K.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA. RP Bolotnikov, AE (reprint author), Brookhaven Natl Lab, Upton, NY 11793 USA. EM bolotnik@bnl.gov FU U.S. Department of Energy, Office of Nonproliferation Research and Development; Defense Threat Reduction Agency; U.S. Department of Energy [DE-AC02-98CH1-886]; [NA-22] FX This work was supported by the U.S. Department of Energy, Office of Nonproliferation Research and Development, NA-22 and Defense Threat Reduction Agency. The manuscript has been authored by Brookhaven Science Associates, LLC under Contract No. DE-AC02-98CH1-886 with the U.S. Department of Energy. NR 9 TC 2 Z9 2 U1 0 U2 15 PU IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC PI PISCATAWAY PA 445 HOES LANE, PISCATAWAY, NJ 08855-4141 USA SN 0018-9499 J9 IEEE T NUCL SCI JI IEEE Trans. Nucl. Sci. PD DEC PY 2011 VL 58 IS 6 BP 3167 EP 3171 DI 10.1109/TNS.2011.2167984 PN 2 PG 5 WC Engineering, Electrical & Electronic; Nuclear Science & Technology SC Engineering; Nuclear Science & Technology GA 905PW UT WOS:000301285700003 ER PT J AU Payne, SA Moses, WW Sheets, S Ahle, L Cherepy, NJ Sturm, B Dazeley, S Bizarri, G Choong, WS AF Payne, Stephen A. Moses, William W. Sheets, Steven Ahle, Larry Cherepy, Nerine J. Sturm, Benjamin Dazeley, Steven Bizarri, Gregory Choong, Woon-Seng TI Nonproportionality of Scintillator Detectors: Theory and Experiment. II SO IEEE TRANSACTIONS ON NUCLEAR SCIENCE LA English DT Article DE Nonproportionality; radiation detector; scintillators ID LIGHT YIELD NONPROPORTIONALITY; ENERGY-RESOLUTION; NON-PROPORTIONALITY; AVALANCHE PHOTODIODES; INORGANIC-SCINTILLATOR; CRYSTALS; NONLINEARITY; PERFORMANCE; FACILITY; NAI(T1) AB We report measurements of electron response of scintillators, including data on 29 halides, oxides, organics, and fluorides. We model the data based on combining the theories of: On-sager, to account for formation of excitons and excited activators; Birks, to allow for exciton-exciton annihilation; Bethe-Bloch, to relate electron stopping to its energy; and Landau, to describe how fluctuations in the linear energy deposited (dE/dx) lead to nonproportionality's contribution to resolution. In general there is satisfactory agreement with experiment, in terms of fitting the electron response data and reproducing the literature values of resolution. We find that the electron response curve shapes are more affected by the host lattice than by the activator or its concentration. C1 [Payne, Stephen A.; Sheets, Steven; Ahle, Larry; Cherepy, Nerine J.; Sturm, Benjamin; Dazeley, Steven] Lawrence Livermore Natl Lab, Livermore, CA 94551 USA. [Moses, William W.; Bizarri, Gregory; Choong, Woon-Seng] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA. RP Payne, SA (reprint author), Lawrence Livermore Natl Lab, Livermore, CA 94551 USA. EM payne3@llnl.gov; wwmoses@lbl.gov; sheets4@llnl.gov; ahle1@llnl.gov; cherepy1@llnl.gov; sturm1@llnl.gov; dazeley2@llnl.gov; GABizarri@lbl.gov; wschoong@lbl.gov RI Cherepy, Nerine/F-6176-2013 OI Cherepy, Nerine/0000-0001-8561-923X FU Department of Energy; NA-22; Lawrence Livermore National Laboratory [DE-AC52-07NA27344]; Lawrence Berkeley National Laboratory [DE-AC02-05CH11231] FX This work was supported by the Department of Energy, NA-22 and was performed by Lawrence Livermore National Laboratory under Contract DE-AC52-07NA27344 and by Lawrence Berkeley National Laboratory under Contract DE-AC02-05CH11231 (approved: LLNL-JRNL-465342). NR 58 TC 46 Z9 46 U1 3 U2 23 PU IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC PI PISCATAWAY PA 445 HOES LANE, PISCATAWAY, NJ 08855-4141 USA SN 0018-9499 J9 IEEE T NUCL SCI JI IEEE Trans. Nucl. Sci. PD DEC PY 2011 VL 58 IS 6 BP 3392 EP 3402 DI 10.1109/TNS.2011.2167687 PN 2 PG 11 WC Engineering, Electrical & Electronic; Nuclear Science & Technology SC Engineering; Nuclear Science & Technology GA 905PW UT WOS:000301285700025 ER PT J AU Bizarri, G Bourret-Courchesne, ED Yan, ZW Derenzo, SE AF Bizarri, Gregory Bourret-Courchesne, Edith D. Yan, Zewu Derenzo, Steve E. TI Scintillation and Optical Properties of BaBrI: Eu2+ and CsBa2I5: Eu2+ SO IEEE TRANSACTIONS ON NUCLEAR SCIENCE LA English DT Article DE Energy resolution; europium; halides; proportionality; scintillator ID COMMON INORGANIC SCINTILLATORS; LIGHT YIELD; LUMINESCENCE; CE3+; PHOSPHORS AB This paper reports on the scintillation and optical properties of the recently discovered europium doped BaBrI and CsBa2I5 scintillators. Single crystals of BaBrI and CsBa2I5 were grown from the melt by the vertical Bridgman technique. Crystals were doped with 8% and 4% Eu2+ for BaBrI and CsBa2I5, respectively. These crystals have higher optical quality and present improved scintillation performance compared to the previously reported values. An estimated light yield of 97,000 +/- 5,000 and 102,000 +/- 6,000 photons per MeV (ph/MeV) of absorbed gamma-ray energy is now measured for BaBrI : 8%Eu2+ and CsBa2I5 : 4%Eu2+, respectively. A better energy resolution has also been observed. BaBrI energy resolution for the 662 keV full absorption peak (FWHM over peak position) decreased to 3.4 +/- 0.2% and CsBa2I5 : 4%Eu2+ energy resolution decreased to 2.55 +/- 0.2%. Additional measurements show both scintillators with an excellent light yield proportionality. Finally, based on optical and x-ray excited emission spectra and decay curves, energy transfer mechanisms in BaBrI and CsBa2I5 scintillators are briefly discussed. C1 [Bizarri, Gregory; Derenzo, Steve E.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Div Life Sci, Berkeley, CA 94720 USA. [Bourret-Courchesne, Edith D.; Yan, Zewu] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Div Mat Sci, Berkeley, CA 94720 USA. RP Bizarri, G (reprint author), Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Div Life Sci, Berkeley, CA 94720 USA. EM gabizarri@lbl.gov; edbourret@lbl.gov; zyan@lbl.gov; sederenzo@lbl.gov FU U.S. Department of Homeland Security/DNDO; U.S. Department of Energy/NNSA/NA22; [AC02-05CH11231] FX This work was supported by the U.S. Department of Homeland Security/DNDO and the U.S. Department of Energy/NNSA/NA22 and carried out at Lawrence Berkeley National Laboratory under Contract AC02-05CH11231. NR 20 TC 28 Z9 30 U1 0 U2 20 PU IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC PI PISCATAWAY PA 445 HOES LANE, PISCATAWAY, NJ 08855-4141 USA SN 0018-9499 J9 IEEE T NUCL SCI JI IEEE Trans. Nucl. Sci. PD DEC PY 2011 VL 58 IS 6 BP 3403 EP 3410 DI 10.1109/TNS.2011.2166999 PN 2 PG 8 WC Engineering, Electrical & Electronic; Nuclear Science & Technology SC Engineering; Nuclear Science & Technology GA 905PW UT WOS:000301285700026 ER PT J AU Zaitseva, N Glenn, A Carman, L Hatarik, R Hamel, S Faust, M Schabes, B Cherepy, N Payne, S AF Zaitseva, Natalia Glenn, Andrew Carman, Leslie Hatarik, Robert Hamel, Sebastien Faust, Michelle Schabes, Brandon Cherepy, Nerine Payne, Stephen TI Pulse Shape Discrimination in Impure and Mixed Single-Crystal Organic Scintillators SO IEEE TRANSACTIONS ON NUCLEAR SCIENCE LA English DT Article ID RAPID GROWTH; NEUTRON; REFINEMENT; DETECTORS; DENSITY AB Neutron/gamma pulse shape discrimination (PSD) utilized for detection of high-energy neutrons with organic scintillators was investigated using a model system of mixed diphenylacetylene-stilbene single crystals of different compositions. The results of the studies, which include experimental tools of crystal growth and characterization combined with computer simulation, showed that the presence of impurities with lower bandgap energies can be a major factor influencing PSD properties of organic materials. Depending on the concentration, an impurity may suppress or increase the rate of excited triplet state interaction leading, respectively, to a complete disappearance or enhancement of PSD, consistent with a percolation threshold. The results are applied to produce novel materials with controlled decay characteristics. Single crystals with a large fraction of delayed light and enhanced PSD have been grown for high energy neutron detection, while crystals with suppressed delayed light were produced for use as low-afterglow scintillators for energetic neutron detection in time-of-flight experiments. C1 [Zaitseva, Natalia; Glenn, Andrew; Carman, Leslie; Hatarik, Robert; Hamel, Sebastien; Faust, Michelle; Schabes, Brandon; Cherepy, Nerine; Payne, Stephen] Lawrence Livermore Natl Lab, Livermore, CA 94551 USA. RP Zaitseva, N (reprint author), Lawrence Livermore Natl Lab, Livermore, CA 94551 USA. EM zaitseva1@llnl.gov; glenn22@llnl.gov; carman1@llnl.gov; hatarik1@llnl.gov; hamel2@llnl.gov; mafaust@ucdavis.edu; brandonschabes@gmail.com; cherepy1@llnl.gov; payne3@llnl.gov RI Cherepy, Nerine/F-6176-2013 OI Cherepy, Nerine/0000-0001-8561-923X FU U.S. DOE by Lawrence Livermore National Laboratory [DE-AC52-07NA27344]; U.S. Department of Energy Office of Nonproliferation Research and Development [NA-22]; Department of Homeland Security (DNDO) FX The work was performed under the auspices of the U.S. DOE by Lawrence Livermore National Laboratory under Contract DE-AC52-07NA27344. Financial support provided by the U.S. Department of Energy Office of Nonproliferation Research and Development (NA-22) and Department of Homeland Security (DNDO). NR 32 TC 18 Z9 18 U1 0 U2 21 PU IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC PI PISCATAWAY PA 445 HOES LANE, PISCATAWAY, NJ 08855-4141 USA SN 0018-9499 EI 1558-1578 J9 IEEE T NUCL SCI JI IEEE Trans. Nucl. Sci. PD DEC PY 2011 VL 58 IS 6 BP 3411 EP 3420 DI 10.1109/TNS.2011.2171363 PN 2 PG 10 WC Engineering, Electrical & Electronic; Nuclear Science & Technology SC Engineering; Nuclear Science & Technology GA 905PW UT WOS:000301285700027 ER PT J AU Dahlberg, J Wolfrum, E Bean, B Rooney, WL AF Dahlberg, Jeff Wolfrum, Ed Bean, Brent Rooney, William L. TI Compositional and Agronomic Evaluation of Sorghum Biomass as a Potential Feedstock for Renewable Fuels SO JOURNAL OF BIOBASED MATERIALS AND BIOENERGY LA English DT Article DE Sorghum; Biomass Compositional Analysis; Cellulosic Ethanol; Renewable Fuels; Biofuel Feedstocks; Energy Crops ID SWEET SORGHUM; ETHANOL-PRODUCTION; GRAIN-SORGHUM; GENETIC-IMPROVEMENT; YIELD; SUDANGRASS; PROTEINS; MUTANTS; LOSSES; SUGAR AB One goal of the Biomass Research and Development Technical Advisory Committee was to replace 30% of current U.S. petroleum consumption with biofuels by 2030. This will take mixtures of various feedstocks; an annual biomass feedstock such as sorghum will play an important role in meeting this goal. Commercial forage sorghum samples collected from field trials grown in Bush land, TX in 2007 were evaluated for both agronomic and compositional traits. Biomass compositional analysis of the samples was performed at the National Renewable Energy Lab in Golden, CO following NREL Laboratory Analytical Procedures. Depending on the specific cultivar, several additional years of yield data for this location were considered in establishing agronomic potential. Results confirm that sorghum forages can produce high biomass yields over multiple years and varied growing conditions. In addition, the composition of sorghum shows significant variation, as would be expected for most crops. Using theoretical estimates for ethanol production, the sorghum commercial forages examined in this study could produce an average of 6147 L ha(-1) of renewable fuels. Given its genetic variability, a known genomic sequence, a robust seed industry, and biomass composition, sorghum will be an important annual feedstock to meet the alternative fuel production goals legislated by the US Energy Security Act of 2007. C1 [Dahlberg, Jeff] Univ Calif, Kearney Agr Res & Extens Ctr, Parlier, CA 93648 USA. [Wolfrum, Ed] Natl Renewable Energy Lab, Golden, CO 80401 USA. [Bean, Brent] Ctr Agr Res & Extens, Amarillo, TX 79106 USA. [Rooney, William L.] Texas A&M Univ, Dept Soil & Crops Sci, College Stn, TX 77843 USA. RP Dahlberg, J (reprint author), Univ Calif, Kearney Agr Res & Extens Ctr, 9240 S Riverbend Ave, Parlier, CA 93648 USA. EM jadahlberg@ucdavis.edu NR 36 TC 4 Z9 4 U1 1 U2 26 PU AMER SCIENTIFIC PUBLISHERS PI VALENCIA PA 26650 THE OLD RD, STE 208, VALENCIA, CA 91381-0751 USA SN 1556-6560 J9 J BIOBASED MATER BIO JI J. Biobased Mater. Bioenergy PD DEC PY 2011 VL 5 IS 4 BP 507 EP 513 DI 10.1166/jbmb.2011.1171 PG 7 WC Chemistry, Applied; Energy & Fuels; Materials Science, Biomaterials SC Chemistry; Energy & Fuels; Materials Science GA 902YW UT WOS:000301081100010 ER PT J AU Gao, XF Jiang, DE Zhao, YL Nagase, S Zhang, SB Chen, ZF AF Gao, Xingfa Jiang, De-en Zhao, Yuliang Nagase, Shigeru Zhang, Shengbai Chen, Zhongfang TI Theoretical Insights into the Structures of Graphene Oxide and Its Chemical Conversions Between Graphene SO JOURNAL OF COMPUTATIONAL AND THEORETICAL NANOSCIENCE LA English DT Review DE Graphene; Electronic Structure; Molecular Structure ID EXFOLIATED GRAPHITE OXIDE; THIN-FILM PARTICLES; SOLID-STATE NMR; ARMCHAIR SURFACE; REDUCTION; OXIDATION; CARBON; NANOPLATELETS; SHEETS; O-2 AB In this paper we review recent computational insights into the oxidation of graphene, the reduction of graphene oxide, and the molecular models and electronic structures of graphene oxide. First, we will set the stage by giving a brief overview of recent exciting experimental progresses in chemistry of graphite oxide and graphene oxide. Then, we will discuss computational efforts to understand oxidation mechanisms of graphene. Next, we will examine computational efforts to elucidate the molecular and electronic structures of graphene oxide. Further, we will interrogate the reduction mechanisms of graphene oxide. In the end, we provide a perspective how the computational and experimental efforts will converge on the chemistry of graphene oxide. C1 [Chen, Zhongfang] Univ Puerto Rico, Dept Chem, Inst Funct Nanomat, San Juan, PR 00931 USA. [Gao, Xingfa; Zhang, Shengbai] Rensselaer Polytech Inst, Dept Phys Appl Phys & Astron, Troy, NY 12180 USA. [Jiang, De-en] Oak Ridge Natl Lab, Div Chem Sci, Oak Ridge, TN 37931 USA. [Zhao, Yuliang] Chinese Acad Sci, Inst High Energy Phys, Key Lab Biomed Effects Nanomat & Nanosafety, Beijing 100049, Peoples R China. [Zhao, Yuliang] Natl Ctr Nanosci & Technol China, Beijing 100080, Peoples R China. [Nagase, Shigeru] Inst Mol Sci, Dept Theoret & Computat Mol Sci, Okazaki, Aichi 4448585, Japan. RP Chen, ZF (reprint author), Univ Puerto Rico, Dept Chem, Inst Funct Nanomat, San Juan, PR 00931 USA. RI Gao, Xingfa/E-5691-2010; Jiang, De-en/D-9529-2011; Chen, Zhongfang/A-3397-2008; Zhang, Shengbai/D-4885-2013 OI Gao, Xingfa/0000-0002-1636-6336; Jiang, De-en/0000-0001-5167-0731; Zhang, Shengbai/0000-0003-0833-5860 FU Department of Energy [DE-SC0002623]; NSF [CHE-0716718]; Institute for Functional Nanomaterials (NSF) [0701525]; EPA [RD-83385601]; Division of Chemical Sciences, Geosciences, and Biosciences, Office of Basic Energy Sciences, U.S. Department of Energy FX This work is supported by the Department of Energy under grant No. DE-SC0002623, and by NSF Grant CHE-0716718, the Institute for Functional Nanomaterials (NSF Grant 0701525) and EPA (RD-83385601). DEJ was supported by Division of Chemical Sciences, Geosciences, and Biosciences, Office of Basic Energy Sciences, U.S. Department of Energy. NR 62 TC 24 Z9 24 U1 3 U2 72 PU AMER SCIENTIFIC PUBLISHERS PI VALENCIA PA 26650 THE OLD RD, STE 208, VALENCIA, CA 91381-0751 USA SN 1546-1955 EI 1546-1963 J9 J COMPUT THEOR NANOS JI J. Comput. Theor. Nanosci. PD DEC PY 2011 VL 8 IS 12 SI SI BP 2406 EP 2422 DI 10.1166/jctn.2011.1972 PG 17 WC Chemistry, Multidisciplinary; Nanoscience & Nanotechnology; Materials Science, Multidisciplinary; Physics, Applied; Physics, Condensed Matter SC Chemistry; Science & Technology - Other Topics; Materials Science; Physics GA 902YY UT WOS:000301081300003 ER PT J AU Kaufman, CG Bingham, D Habib, S Heitmann, K Frieman, JA AF Kaufman, Cari G. Bingham, Derek Habib, Salman Heitmann, Katrin Frieman, Joshua A. TI EFFICIENT EMULATORS OF COMPUTER EXPERIMENTS USING COMPACTLY SUPPORTED CORRELATION FUNCTIONS, WITH AN APPLICATION TO COSMOLOGY SO ANNALS OF APPLIED STATISTICS LA English DT Article DE Emulators; Gaussian processes; computer experiments; photometric redshift ID LARGE SPATIAL DATASETS; DATA SETS; ACCELERATING UNIVERSE; MODELS; SUPERNOVAE; MCMC AB Statistical emulators of computer simulators have proven to be useful in a variety of applications. The widely adopted model for emulator building, using a Gaussian process model with strictly positive correlation function, is computationally intractable when the number of simulator evaluations is large. We propose a new model that uses a combination of low-order regression terms and compactly supported correlation functions to recreate the desired predictive behavior of the emulator at a fraction of the computational cost. Following the usual approach of taking the correlation to be a product of correlations in each input dimension, we show how to impose restrictions on the ranges of the correlations, giving sparsity, while also allowing the ranges to trade off against one another, thereby giving good predictive performance. We illustrate the method using data from a computer simulator of photometric redshift with 20,000 simulator evaluations and 80,000 predictions. C1 [Kaufman, Cari G.] Univ Calif Berkeley, Dept Stat, Berkeley, CA 94720 USA. [Bingham, Derek] Simon Fraser Univ, Dept Stat & Actuarial Sci, Burnaby, BC V5A 1S6, Canada. [Habib, Salman] Argonne Natl Lab, Div High Energy Phys, Math & Comp Sci Div, Argonne, IL 60439 USA. [Heitmann, Katrin] Los Alamos Natl Lab, ISR Div, Los Alamos, NM 87544 USA. [Frieman, Joshua A.] Fermilab Natl Accelerator Lab, Ctr Particle Astrophys, Batavia, IL 60510 USA. RP Kaufman, CG (reprint author), Univ Calif Berkeley, Dept Stat, Berkeley, CA 94720 USA. EM cgk@stat.berkeley.edu; dbingham@stat.sfu.ca; habib@lanl.gov; heitmann@lanl.gov; frieman@fnal.gov FU NSF [DMS-06-35449]; Natural Sciences and Engineering Research Council of Canada; Department of Energy [W-7405-ENG-36]; Los Alamos National Laboratory FX Supported in part by NSF Grant DMS-06-35449 to the Statistical and Applied Mathematical Sciences Institute.; Supported in part by a grant from the Natural Sciences and Engineering Research Council of Canada.; Supported in part by the Department of Energy under contract W-7405-ENG-36.; Habib and Heitmann acknowledge support from the LDRD program at Los Alamos National Laboratory. Habib and Heitmann also acknowledge the Aspen Center for Physics, where part of this work was initialized. We thank the Associate Editor and an anonymous reviewer for their helpful comments on the manuscript. NR 34 TC 20 Z9 20 U1 3 U2 9 PU INST MATHEMATICAL STATISTICS PI CLEVELAND PA 3163 SOMERSET DR, CLEVELAND, OH 44122 USA SN 1932-6157 J9 ANN APPL STAT JI Ann. Appl. Stat. PD DEC PY 2011 VL 5 IS 4 BP 2470 EP 2492 DI 10.1214/11-AOAS489 PG 23 WC Statistics & Probability SC Mathematics GA 893UT UT WOS:000300382800011 ER PT J AU Actis, M Agnetta, G Aharonian, F Akhperjanian, A Aleksic, J Aliu, E Allan, D Allekotte, I Antico, F Antonelli, LA Antoranz, P Aravantinos, A Arlen, T Arnaldi, H Artmann, S Asano, K Asorey, H Bahr, J Bais, A Baixeras, C Bajtlik, S Balis, D Bamba, A Barbier, C Barcelo, M Barnacka, A Barnstedt, J de Almeida, UB Barrio, JA Basso, S Bastieri, D Bauer, C Becerra, J Becherini, Y Bechtol, K Becker, J Beckmann, V Bednarek, W Behera, B Beilicke, M Belluso, M Benallou, M Benbow, W Berdugo, J Berger, K Bernardino, T Bernlor, K Biland, A Billotta, S Bird, T Birsin, E Bissaldi, E Blake, S Blanch, O Bobkov, AA Bogacz, L Bogdan, M Boisson, C Boix, J Bolmont, J Bonanno, G Bonardi, A Bonev, T Borkowski, J Botner, O Bottani, A Bourgeat, M Boutonnet, C Bouvier, A Brau-Nogue, S Braun, I Bretz, T Briggs, MS Brun, P Brunetti, L Buckley, H Bugaev, V Buhler, R Bulik, T Busetto, G Buson, S Byrum, K Cailles, M Cameron, R Canestrari, R Cantu, S Carmona, E Carosi, A Carr, J Carton, PH Casiraghi, M Castarede, H Catalano, O Cavazzani, S Cazaux, S Cerruti, B Cerruti, M Chadwick, M Chiang, J Chikawa, M Cieslar, M Ciesielska, M Cillis, A Clerc, C Colin, P Colome, J Compin, M Conconi, P Connaughton, V Conrad, J Contreras, JL Coppi, P Corlier, M Corona, P Corpace, O Corti, D Cortina, J Costantini, H Cotter, G Courty, B Couturier, S Covino, S Croston, J Cusumano, G Daniel, MK Dazzi, F Deangelis, A del Pozo, ED Dal Pino, EMD de Jager, O Perez, ID De La Vega, G De Lotto, B de Naurois, M Wilhelmi, ED de Souza, V Decerprit, B Deil, C Delagnes, E Deleglise, G Delgado, C Dettlaff, T Di Paolo, A Di Pierro, F Diaz, C Dick, J Dickinson, H Digel, SW Dimitrov, D Disset, G Djannati-Ata, A Doert, M Domainko, W Dorner, D Doro, M Dournaux, JL Dravins, D Drury, L Dubois, F Dubois, R Dubus, G Dufour, C Durand, D Dyks, J Dyrda, M Edy, E Egberts, K Eleftheriadis, C Elles, S Emmanoulopoulos, D Enomoto, R Ernenwein, JP Errando, M Etchegoyen, A Falcone, AD Farakos, K Farnier, C Federici, S Feinstein, F Ferenc, D Fillin-Martino, E Fink, D Finley, C Finley, JP Firpo, R Florin, D Fohr, C Fokitis, E Font, L Fontaine, G Fontana, A Forster, A Fortson, L Fouque, N Fransson, C Fraser, GW Fresnillo, L Fruck, C Fujita, Y Fukazawa, Y Funk, S Gabele, W Gabici, S Gadola, A Galante, N Gallant, Y Garcia, B Lopez, RJG Garrido, D Garrido, L Gascon, D Gasq, C Gaug, M Gaweda, J Geffroy, N Ghag, C Ghedina, A Ghigo, M Gianakaki, E Giarrusso, S Giavitto, G Giebels, B Giro, E Giubilato, P Glanzman, T Glicenstein, JF Gochna, M Golev, V Berisso, MG Gonzalez, A Gonzalez, F Granena, F Graciani, R Granot, J Gredig, R Green, A Greenshaw, T Grimm, O Grube, J Grudzinska, M Grygorczuk, J Guarino, V Guglielmi, L Guilloux, F Gunji, S Gyuk, G Hadasch, D Haefner, D Hagiwara, R Hahn, J Hallgren, A Hara, S Hardcastle, MJ Hassan, T Haubold, T Hauser, M Hayashida, M Heller, R Henri, G Hermann, G Herrero, A Hinton, JA Hoffmann, D Hofmann, W Hofverberg, P Horns, D Hrupec, D Huan, H Huber, B Huet, JM Hughes, G Hultquist, K Humensky, TB Huppert, JF Ibarra, A Illa, JM Ingjald, J Inoue, S Inoue, Y Ioka, K Jablonski, C Jacholkowska, A Janiak, M Jean, P Jensen, H Jogler, T Jung, I Kaaret, P Kabuki, S Kakuwa, J Kalkuhl, C Kankanyan, R Kapala, M Karastergiou, A Karczewski, M Karkar, S Karlsson, N Kasperek, J Katagiri, H Katarzynski, K Kawanaka, N Kedziora, B Kendziorra, E Khelifi, B Kieda, D Kifune, T Kihm, T Klepser, S Kluzniak, W Knapp, J Knappy, AR Kneiske, T Knodlseder, J Kock, F Kodani, K Kohri, K Kokkotas, K Komin, N Konopelko, A Kosack, K Kossakowski, R Kostka, P Kotula, J Kowal, G Koziol, J Krahenbuhl, T Krause, J Krawczynski, H Krennrich, F Kretzschmann, A Kubo, H Kudryavtsev, VA Kushida, J La Barbera, N La Parola, V La Rosa, G Lopez, A Lamanna, G Laporte, P Lavalley, C Le Flour, T Le Padellec, A Lenain, JP Lessio, L Lieunard, B Lindfors, E Liolios, A Lohse, T Lombardi, S Lopatin, A Lorenz, E Lubinski, P Luz, O Lyard, E Maccarone, MC Maccarone, T Maier, G Majumdar, P Maltezos, S Malkiewicz, P Mana, C Manalaysay, A Maneva, G Mangano, A Manigot, P Marin, J Mariotti, M Markoff, S Martinez, G Martinez, M Mastichiadis, A Matsumoto, H Mattiazzo, S Mazin, D McComb, TJL McCubbin, N McHardy, I Medina, C Melkumyan, D Mendes, A Mertsch, P Meucci, M Michalowski, J Micolon, P Mineo, T Mirabal, N Mirabel, F Miranda, JM Mirzoyan, R Mizuno, T Moal, B Moderski, R Molinari, E Monteiro, I Moralejo, A Morello, C Mori, K Motta, G Mottez, F Moulin, E Mukherjee, R Munar, P Muraishi, H Murase, K Murphy, AS Nagataki, S Naito, T Nakamori, T Nakayama, K Naumann, C Naumann, D Nayman, P Nedbal, D Niedzwiecki, A Niemiec, J Nikolaidis, A Nishijima, K Nolan, SJ Nowak, N O'Brien, PT Ochoa, I Ohira, Y Ohishi, M Ohka, H Okumura, A Olivetto, C Ong, RA Orito, R Orr, M Osborne, JP Ostrowski, M Otero, L Otte, AN Ovcharov, E Oya, I Ozieblo, A Paiano, S Pallota, J Panazol, JL Paneque, D Panter, M Paoletti, R Papyan, G Paredes, JM Pareschi, G Parsons, RD Arribas, MP Pedaletti, G Pepato, A Persic, M Petrucci, PO Peyaud, B Piechocki, W Pita, S Pivato, G Platos, L Platzer, R Pogosyan, L Pohl, M Pojmanski, G Ponz, JD Potter, W Prandini, E Preece, R Prokoph, H Puhlhofer, G Punch, M Quel, E Quirrenbach, A Rajda, P Rando, R Rataj, M Raue, M Reimann, C Reimann, O Reimer, A Reimer, O Renaud, M Renner, S Reymond, JM Rhode, W Ribo, M Ribordy, M Rico, J Rieger, F Ringegni, P Ripken, J Ristori, P Rivoire, S Rob, L Rodriguez, S Roeser, U Romano, P Romero, GE Rosier-Lees, S Rovero, AC Roy, F Royer, S Rudak, B Rulten, CB Ruppel, J Russo, F Ryde, F Sacco, B Saggion, A Sahakian, V Saito, K Saito, T Sakaki, N Salazar, E Salini, A Sanchez, F Conde, MAS Santangelo, A Santos, EM Sanuy, A Sapozhnikov, L Sarkar, S Scalzotto, V Scapin, V Scarcioffolo, M Schanz, T Schlenstedt, S Schlickeiser, R Schmidt, T Schmoll, J Schroedter, M Schultz, C Schultze, J Schulz, A Schwanke, U Schwarzburg, S Schweizer, T Seiradakis, J Selmane, S Seweryn, K Shayduk, M Shellard, RC Shibata, T Sikora, M Silk, J Sillanpaa, A Sitarek, J Skole, C Smith, N Sobczynska, D Haro, MS Sol, H Spanier, F Spiga, D Spyrou, S Stamatescu, V Stamerra, A Starling, RLC Stawarz, L Steenkamp, R Stegmann, C Steiner, S Stergioulas, N Sternberger, R Stinzing, F Stodulski, M Straumann, U Suarez, A Suchenek, M Sugawara, R Sulanke, KH Sun, S Supanitsky, AD Sutcliffe, P Szanecki, M Szepieniec, T Szostek, A Szymkowiak, A Tagliaferri, G Tajima, H Takahashi, H Takahashi, K Takalo, L Takami, H Talbot, RG Tam, PH Tanaka, M Tanimori, T Tavani, M Tavernet, JP Tchernin, C Tejedor, LA Telezhinsky, I Temnikov, P Tenzer, C Terada, Y Terrier, R Teshima, M Testa, V Tibaldo, L Tibolla, O Tluczykont, M Peixoto, CJT Tokanai, F Tokarz, M Toma, K Torres, DF Tosti, G Totani, T Toussenel, F Vallania, P Vallejo, G van der Walt, J van Eldik, C Vandenbroucke, J Vankov, H Vasileiadis, G Vassiliev, VV Vegas, I Venter, L Vercellone, S Veyssiere, C Vialle, JP Videla, M Vincent, P Vink, J Vlahakis, N Vlahos, L Vogler, P Vollhardt, A Volpe, F Von Gunten, HP Vorobiov, S Wagner, S Wagner, RM Wagner, B Wakely, SP Walter, P Walter, R Warwick, R Wawer, P Wawrzaszek, R Webb, N Wegner, P Weinstein, A Weitzel, Q Welsing, R Wetteskind, H White, R Wierzcholska, A Wilkinson, MI Williams, DA Winde, M Wischnewski, R Wisniewski, L Wolczko, A Wood, M Xiong, Q Yamamoto, T Yamaoka, K Yamazaki, R Yanagita, S Yoffo, B Yonetani, M Yoshida, A Yoshida, T Yoshikoshi, T Zabalza, V Zagdanski, A Zajczyk, A Zdziarski, A Zech, A Zietara, K Ziolkowski, P Zitelli, V Zychowski, P AF Actis, M. 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Wetteskind, H. White, R. Wierzcholska, A. Wilkinson, M. I. Williams, D. A. Winde, M. Wischnewski, R. Wisniewski, L. Wolczko, A. Wood, M. Xiong, Q. Yamamoto, T. Yamaoka, K. Yamazaki, R. Yanagita, S. Yoffo, B. Yonetani, M. Yoshida, A. Yoshida, T. Yoshikoshi, T. Zabalza, V. Zagdanski, A. Zajczyk, A. Zdziarski, A. Zech, A. Zietara, K. Ziolkowski, P. Zitelli, V. Zychowski, P. CA CTA Consortium TI Design concepts for the Cherenkov Telescope Array CTA: an advanced facility for ground-based high-energy gamma-ray astronomy SO EXPERIMENTAL ASTRONOMY LA English DT Article DE Ground based gamma ray astronomy; Next generation Cherenkov telescopes; Design concepts ID INDUCED AIR-SHOWERS; MAGIC TELESCOPE; COSMIC-RAYS; OPTICAL-SYSTEM; 1ST DETECTION; RADIATION; TEV; BURSTS; SIMULATION; PARTICLES AB Ground-based gamma-ray astronomy has had a major breakthrough with the impressive results obtained using systems of imaging atmospheric Cherenkov telescopes. Ground-based gamma-ray astronomy has a huge potential in astrophysics, particle physics and cosmology. CTA is an international initiative to build the next generation instrument, with a factor of 5-10 improvement in sensitivity in the 100 GeV-10 TeV range and the extension to energies well below 100 GeV and above 100 TeV. CTA will consist of two arrays (one in the north, one in the south) for full sky coverage and will be operated as open observatory. The design of CTA is based on currently available technology. This document reports on the status and presents the major design concepts of CTA. C1 [Hofmann, W.] Heidelberg Univ, CTA Project Off, D-69117 Heidelberg, Germany. [Allekotte, I.; Arnaldi, H.; Asorey, H.; Gomez Berisso, M.; Sofo Haro, M.] Ctr Atom Bariloche CNEA CONICET IB UNCuyo, RA-8400 San Carlos De Bariloche, Rio Negro, Argentina. [Cillis, A.; Rovero, A. C.; Supanitsky, A. D.] Inst Astron & Fis Espacio CONICET UBA, Buenos Aires, DF, Argentina. 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[Bastieri, D.; Busetto, G.; Buson, S.; Corti, D.; Doro, M.; Giubilato, P.; Lombardi, S.; Mariotti, M.; Mattiazzo, S.; Paiano, S.; Pepato, A.; Pivato, G.; Prandini, E.; Rando, R.; Saggion, A.; Scalzotto, V.; Scarcioffolo, M.; Schultz, C.; Tibaldo, L.] Ist Nazl Fis Nucl, I-35131 Padua, Italy. [Meucci, M.; Paoletti, R.; Stamerra, A.] Univ Siena, I-53100 Siena, Italy. [Meucci, M.; Paoletti, R.; Stamerra, A.] INFN Pisa, I-53100 Siena, Italy. [Dazzi, F.; Deangelis, A.; De Lotto, B.; Scapin, V.] Univ Udine, I-33100 Udine, Italy. [Deangelis, A.; De Lotto, B.; Persic, M.; Scapin, V.] INFN Sez Trieste, I-33100 Udine, Italy. [Dazzi, F.] INFN Sez Padova, I-33100 Udine, Italy. [Persic, M.] Osserv Astron Trieste, I-33100 Udine, Italy. [Bamba, A.; Sakaki, N.; Shibata, T.; Yamaoka, K.; Yamazaki, R.; Yoshida, A.] Aoyama Gakuin Univ, Dept Phys & Math, Sagamihara, Kanagawa 2525258, Japan. 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Stj.] Univ Edinburgh, Sch Phys & Astron, Edinburgh EH8 9YL, Midlothian, Scotland. [Kudryavtsev, V. A.] Univ Sheffield, Dept Phys & Astron, Sheffield S3 7RH, S Yorkshire, England. [Granot, J.; Hardcastle, M. J.] Univ Hertfordshire, Ctr Astrophys Res, Sci & Technol Res Inst, Hatfield AL10 9AB, Herts, England. [McCubbin, N.; Preece, R.] STFC Rutherford Appleton Lab, Didcot OX11 0QX, Oxon, England. [Bird, T.; Croston, J.; Emmanoulopoulos, D.; Maccarone, T.; McHardy, I.] Univ Southampton, Sch Phys & Astron, Southampton SO17 1BJ, Hants, England. [Cotter, G.; Karastergiou, A.; Mertsch, P.; Potter, W.; Sarkar, S.; Silk, J.] Univ Oxford, Dept Phys, Oxford OX1 3RH, England. [Byrum, K.; Guarino, V.; Wagner, B.] Argonne Natl Lab, Argonne, IL 60439 USA. [Krennrich, F.; Orr, M.; Weinstein, A.] Iowa State Univ, Dept Phys & Astron, Ames, IA 50011 USA. [Konopelko, A.; Smith, N.; Xiong, Q.] Pittsburg State Unvers, Dept Phys, Pittsburg, KS 66762 USA. 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EM Werner.Hofmann@mpi-hd.mpg.de; martinez@ifae.es RI Tejedor, Luis/N-5494-2014; Berdugo, Javier/A-2858-2015; Ribo, Marc/B-3579-2015; Funk, Stefan/B-7629-2015; Katarzynski, Krzysztof/G-4528-2014; Antoranz, Pedro/H-5095-2015; Delgado, Carlos/K-7587-2014; Miranda, Jose Miguel/F-2913-2013; Stamatescu, Victor/C-9945-2016; Gascon, David/L-8464-2014; Font, Lluis/L-4197-2014; delagnes, eric/G-8782-2011; Barrio, Juan/L-3227-2014; Murase, Kohta/B-2710-2016; Moulin, Emmanuel/B-5959-2017; Cortina, Juan/C-2783-2017; Graciani Diaz, Ricardo/I-5152-2016; Daniel, Michael/A-2903-2010; Komin, Nukri/J-6781-2015; Sarkar, Subir/G-5978-2011; Takahashi, Keitaro/L-5930-2015; Contreras Gonzalez, Jose Luis/K-7255-2014; de Gouveia Dal Pino, Elisabete/H-9560-2013; Moura Santos, Edivaldo/K-5313-2016; Bissaldi, Elisabetta/K-7911-2016; Temnikov, Petar/L-6999-2016; Maneva, Galina/L-7120-2016; Torres, Diego/O-9422-2016; Sao Carlos Institute of Physics, IFSC/USP/M-2664-2016; Dimitrov, Dinko/J-7682-2013; Drury, Luke/B-1916-2017; Tosti, Gino/E-9976-2013; 7, INCT/H-6207-2013; Astrofisica, Inct/H-9455-2013; Tjus, Julia/G-8145-2012; Rando, Riccardo/M-7179-2013; Fontaine, Gerard/D-6420-2014; Todero Peixoto, Carlos Jose/G-3873-2012; Rico, Javier/K-8004-2014; Martinez Botella, Gustavo/K-8834-2014; Fernandez, Ester/K-9734-2014; GAug, Markus/L-2340-2014; Marin, Jesus/K-6991-2014; Moralejo Olaizola, Abelardo/M-2916-2014; Doro, Michele/F-9458-2012; Braun, Isabel/C-9373-2012; Hardcastle, Martin/E-2264-2012; Kokkotas, Kostas/B-7878-2010; Kowal, Grzegorz/K-5667-2012; de souza, Vitor/D-1381-2012; Shellard, Ronald/G-4825-2012; Ghag, Chamkaur/H-2869-2012; Reimer, Olaf/A-3117-2013; Terada, Yukikatsu/A-5879-2013; Botner, Olga/A-9110-2013; Hallgren, Allan/A-8963-2013; van Eldik, Christopher/C-3901-2013 OI Inoue, Yoshiyuki/0000-0002-7272-1136; Arnaldi, Luis Horacio/0000-0002-2370-4014; Bonanno, Giovanni/0000-0002-4792-3983; Billotta, Sergio/0000-0001-6557-8768; Catalano, Osvaldo/0000-0002-9554-4128; Maccarone, Maria Concetta/0000-0001-8722-0361; Kothandan, Divay/0000-0001-9048-7518; Stamerra, Antonio/0000-0002-9430-5264; Prandini, Elisa/0000-0003-4502-9053; Becerra Gonzalez, Josefa/0000-0002-6729-9022; Kudryavtsev, Vitaly/0000-0002-7018-5827; Persic, Massimo/0000-0003-1853-4900; Ghigo, Mauro/0000-0003-2284-9251; Green, Anne/0000-0002-7135-1671; Knapp, Johannes/0000-0003-1519-1383; Vercellone, Stefano/0000-0003-1163-1396; Spanier, Felix/0000-0001-6802-4744; Otte, Adam Nepomuk/0000-0002-5955-6383; Bastieri, Denis/0000-0002-6954-8862; silk, joe/0000-0002-1566-8148; Ribo, Marc/0000-0002-9931-4557; Mertsch, Philipp/0000-0002-2197-3421; Punch, Michael/0000-0002-4710-2165; Tavani, Marco/0000-0003-2893-1459; Garrido Beltran, Lluis/0000-0001-8883-6539; Murphy, Alexander/0000-0001-8337-4427; Giubilato, Piero/0000-0003-4358-5355; Covino, Stefano/0000-0001-9078-5507; Paredes, Josep M./0000-0002-1566-9044; Oya, Igor/0000-0002-3881-9324; de Ona Wilhelmi, Emma/0000-0002-5401-0744; Tagliaferri, Gianpiero/0000-0003-0121-0723; Garcia, Beatriz/0000-0003-0919-2734; Testa, Vincenzo/0000-0003-1033-1340; Canestrari, Rodolfo/0000-0003-4591-7763; Lenain, Jean-Philippe/0000-0001-7284-9220; Tejedor, Luis/0000-0003-1525-9085; Berdugo, Javier/0000-0002-7911-8532; Funk, Stefan/0000-0002-2012-0080; Antoranz, Pedro/0000-0002-3015-3601; Delgado, Carlos/0000-0002-7014-4101; Miranda, Jose Miguel/0000-0002-1472-9690; Stamatescu, Victor/0000-0001-9030-7513; Gascon, David/0000-0001-9607-6154; Font, Lluis/0000-0003-2109-5961; Barrio, Juan/0000-0002-0965-0259; Murase, Kohta/0000-0002-5358-5642; Moulin, Emmanuel/0000-0003-4007-0145; Cortina, Juan/0000-0003-4576-0452; Graciani Diaz, Ricardo/0000-0001-7166-5198; Golev, Valeri/0000-0002-4482-4090; Spiga, Daniele/0000-0003-1163-7843; Molinari, Emilio/0000-0002-1742-7735; Pareschi, Giovanni/0000-0003-3967-403X; GIARRUSSO, SALVATORE/0000-0002-0738-2940; Chadwick, Paula/0000-0002-1468-2685; Kneiske, Tanja M./0000-0002-3210-6200; La Rosa, Giovanni/0000-0002-3931-2269; Asorey, Hernan/0000-0002-4559-8785; Mineo, Teresa/0000-0002-4931-8445; LA BARBERA, ANTONINO/0000-0002-5880-8913; La Parola, Valentina/0000-0002-8087-6488; Daniel, Michael/0000-0002-8053-7910; Cusumano, Giancarlo/0000-0002-8151-1990; Komin, Nukri/0000-0003-3280-0582; De Lotto, Barbara/0000-0003-3624-4480; Bais, Alkiviadis/0000-0003-3899-2001; Di Pierro, Federico/0000-0003-4861-432X; Rando, Riccardo/0000-0001-6992-818X; Vallania, Piero/0000-0001-9089-7875; Balis, Dimitris/0000-0003-1161-7746; Sarkar, Subir/0000-0002-3542-858X; Contreras Gonzalez, Jose Luis/0000-0001-7282-2394; de Gouveia Dal Pino, Elisabete/0000-0001-8058-4752; Moura Santos, Edivaldo/0000-0002-2818-8813; Bissaldi, Elisabetta/0000-0001-9935-8106; Temnikov, Petar/0000-0002-9559-3384; Torres, Diego/0000-0002-1522-9065; Drury, Luke/0000-0002-9257-2270; Todero Peixoto, Carlos Jose/0000-0003-3669-8212; Rico, Javier/0000-0003-4137-1134; Martinez Botella, Gustavo/0000-0002-1061-8520; GAug, Markus/0000-0001-8442-7877; Marin, Jesus/0000-0002-9049-3667; Moralejo Olaizola, Abelardo/0000-0002-1344-9080; Doro, Michele/0000-0001-9104-3214; Braun, Isabel/0000-0002-9389-0502; Hardcastle, Martin/0000-0003-4223-1117; Kokkotas, Kostas/0000-0001-6048-2919; Kowal, Grzegorz/0000-0002-0176-9909; Shellard, Ronald/0000-0002-2983-1815; Reimer, Olaf/0000-0001-6953-1385; Terada, Yukikatsu/0000-0002-2359-1857; van Eldik, Christopher/0000-0001-9669-645X FU Ministerio de Ciencia, Tecnologia e Innovacion Productiva (MinCyT); Comision Nacional de Energia Atomica (CNEA); Consejo Nacional de Investigaciones Cientificas y Tecnicas (CONICET) Argentina; State Committee of Science of Armenia; Ministry for Research, France; CNRS-INSU, France; CNRS-IN2P3, France; CEA, France; Max Planck Society, Germany; BMBF, Germany; DESY, Germany; Helmholtz Association, Germany; MIUR, Italy; Netherlands Research School for Astronomy (NOVA); Netherlands Organization for Scientific Research (NWO); Ministry of Science and Higher Education, Poland; National Centre for Research and Development, Poland; MICINN; CPAN, Spain; MultiDark Consolider-Ingenio programme, Spain; Swedish Research Council, Sweden; Royal Swedish Academy of Sciences, Sweden; Swiss National Science Foundation (SNSF), Switzerland; Leverhulme Trust, UK; Royal Society, UK; Science and Technologies Facilities Council, UK; Durham University, UK; National Science Foundation; Department of Energy; Argonne National Laboratory; University of California; University of Chicago; Iowa State University; Institute for Nuclear and Particle Astrophysics (INPAC-MRPI); Washington University McDonnell Center for the Space Sciences, USA FX We gratefully acknowledge financial support from the following agencies and organisations: Ministerio de Ciencia, Tecnologia e Innovacion Productiva (MinCyT), Comision Nacional de Energia Atomica (CNEA) and Consejo Nacional de Investigaciones Cientificas y Tecnicas (CONICET) Argentina; State Committee of Science of Armenia; Ministry for Research, CNRS-INSU, CNRS-IN2P3 and CEA, France; Max Planck Society, BMBF, DESY, Helmholtz Association, Germany; MIUR, Italy; Netherlands Research School for Astronomy (NOVA), Netherlands Organization for Scientific Research (NWO); Ministry of Science and Higher Education and the National Centre for Research and Development, Poland; MICINN support through the National R+D+I, CDTI funding plans and the CPAN and MultiDark Consolider-Ingenio 2010 programme, Spain. Swedish Research Council, Royal Swedish Academy of Sciences financed, Sweden; Swiss National Science Foundation (SNSF), Switzerland; Leverhulme Trust, Royal Society, Science and Technologies Facilities Council, Durham University, UK; National Science Foundation, Department of Energy, Argonne National Laboratory, University of California, University of Chicago, Iowa State University, Institute for Nuclear and Particle Astrophysics (INPAC-MRPI program), Washington University McDonnell Center for the Space Sciences, USA. NR 118 TC 338 Z9 340 U1 12 U2 101 PU SPRINGER PI DORDRECHT PA VAN GODEWIJCKSTRAAT 30, 3311 GZ DORDRECHT, NETHERLANDS SN 0922-6435 EI 1572-9508 J9 EXP ASTRON JI Exp. Astron. PD DEC PY 2011 VL 32 IS 3 BP 193 EP 316 DI 10.1007/s10686-011-9247-0 PG 124 WC Astronomy & Astrophysics SC Astronomy & Astrophysics GA 898VF UT WOS:000300769700001 ER PT J AU Dicello, JF Pisacane, VL Dolecek, QE Rosenfeld, AB Rusek, A Sivertz, M Malak, H AF Dicello, J. F. Pisacane, V. L. Dolecek, Q. E. Rosenfeld, A. B. Rusek, A. Sivertz, M. Malak, H. TI Feasibility study of solid-state microdosimetry for energetic protons and heavy ions with coincident particle identification SO RADIATION MEASUREMENTS LA English DT Article DE Silicon detector telescopes; Charge resolution; Particle identification; Delta E - E telescopes; Delta E - E method ID E-E TELESCOPES; CHARGE; SPACE; MIDN AB We have developed an experimental system for identifying particles types, energies, and mass-to-charge ratios of beams of energetic particles responsible for events of energy deposition resulting from primary particles in accelerator beams of produced by interaction of such beams. Conventional techniques for such measurements normally depend upon identifying the stopping power (dE/dx) and the total energy of the particle; however, the range of particles of hundreds or thousands of MeV have ranges of tens of centimeters and the usual approaches are impractical. We have utilized an alternative approach that does not require knowing the total energy of each particle. We have carried out studies that show the feasibility of such an approach, and present measurements obtained with this method for a beam nominally of 1000-MeV protons at the NASA Space Radiation Laboratory (NSRL) facility of the Brookhaven National Laboratory (BNL). Data from these measurements are presented. (C) 2011 Elsevier Ltd. All rights reserved. C1 [Malak, H.] Amer Environm Syst Inc, Ellicott City, MD 21043 USA. [Dicello, J. F.; Pisacane, V. L.] USN Acad, Annapolis, MD 21402 USA. [Dicello, J. F.] Loma Linda Univ, Med Ctr, Loma Linda, CA USA. [Dicello, J. F.] Johns Hopkins Sch Med, Baltimore, MD USA. [Dolecek, Q. E.] QED Associates, Georgetown, DE 19947 USA. [Rosenfeld, A. B.] Univ Wollongong, Ctr Med Radiat Phys, Wollongong, NSW, Australia. [Rusek, A.; Sivertz, M.] Brookhaven Natl Lab, Brookhaven, NY 11973 USA. RP Malak, H (reprint author), Amer Environm Syst Inc, 8444 High Ridge Rd, Ellicott City, MD 21043 USA. EM hkmalak@gmail.com RI Rosenfeld, Anatoly/D-1989-2014 FU National Space Biomedical Research Institute through NASA [NCC 9-58]; United States Department of Energy [DE-AC02-98CH10886]; NASA FX Research supported in part by the National Space Biomedical Research Institute through NASA NCC 9-58, and the United States Department of Energy Contract Number DE-AC02-98CH10886 and with support of NASA. NR 16 TC 1 Z9 1 U1 1 U2 5 PU PERGAMON-ELSEVIER SCIENCE LTD PI OXFORD PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND SN 1350-4487 J9 RADIAT MEAS JI Radiat. Meas. PD DEC PY 2011 VL 46 IS 12 SI SI BP 1539 EP 1542 DI 10.1016/j.radmeas.2011.05.036 PG 4 WC Nuclear Science & Technology SC Nuclear Science & Technology GA 894WY UT WOS:000300459400048 ER PT J AU Belk, MC Tuckfield, RC AF Belk, Mark C. Tuckfield, R. Cary TI EFFECT OF DENSITY ON GROWTH AND SURVIVAL OF YOUNG JUNE SUCKER SO WESTERN NORTH AMERICAN NATURALIST LA English DT Article ID CHASMISTES-LIORUS; POPULATION; BEHAVIOR; FISHES; SIZE; PREY AB One of the fundamental determinants of survival and growth of individuals is population density. Typically, individuals exhibit negative density dependence, but positive density dependence (Allee effect) may occur. Understanding patterns of density dependence is important for conservation and management of species that have low densities as a result of recent population declines. June sucker (Chasmistes liorus) is an endangered species that was formerly abundant but now is found at low densities in Utah Lake. We tested the hypothesis that young June sucker exhibit positive density dependence (i.e., Allee effects) in growth and survival at low densities. In addition, we tested the hypothesis that patterns of density dependence in growth and survival of young June sucker are consistent across years. We conducted a series of 5 experiments in 5 separate years. All 5 experiments included similar levels of density manipulations of young June sucker June sucker exhibited Allee effects in both growth and survival in some years, but patterns of density dependence varied widely among years. Growth exhibited consistent patterns of negative density dependence, especially at higher densities. Survival was less affected by density, exhibiting no response to density in about half of the experimental comparisons. Overall, intermediate densities around 50 individuals.m(-2) seemed to provide the best tradeoff between growth and number produced. C1 [Belk, Mark C.] Brigham Young Univ, Dept Biol, Provo, UT 84602 USA. [Tuckfield, R. Cary] Savannah River Ecol Lab, Aiken, SC USA. RP Belk, MC (reprint author), Brigham Young Univ, Dept Biol, Provo, UT 84602 USA. EM mark_belk@byu.edu FU Brigham Young University (BYU); Utah Division of Wildlife Resources FX This research was supported by Brigham Young University (BYU) and grants from the Utah Division of Wildlife Resources and was approved by the June Sticker Recovery Implementation Program and the BYU institutional Animal Care and Use Committee. Preliminary analysis of data from 2002 was included previously in a master's thesis by David Gonzalez (BYU). Numerous undergraduate volunteers from BYU contributed to both field and laboratory work. NR 22 TC 2 Z9 2 U1 3 U2 6 PU BRIGHAM YOUNG UNIV PI PROVO PA 290 LIFE SCIENCE MUSEUM, PROVO, UT 84602 USA SN 1527-0904 J9 WEST N AM NATURALIST JI West. North Am. Naturalist PD DEC PY 2011 VL 71 IS 4 BP 490 EP 498 PG 9 WC Biodiversity Conservation; Ecology SC Biodiversity & Conservation; Environmental Sciences & Ecology GA 895TZ UT WOS:000300520600006 ER PT J AU Aryal, UK Stockel, J Krovvidi, RK Gritsenko, MA Monroe, ME Moore, RJ Koppenaal, DW Smith, RD Pakrasi, HB Jacobs, JM AF Aryal, Uma K. Stoeckel, Jana Krovvidi, Ravi K. Gritsenko, Marina A. Monroe, Matthew E. Moore, Ronald J. Koppenaal, David W. Smith, Richard D. Pakrasi, Himadri B. Jacobs, Jon M. TI Dynamic proteomic profiling of a unicellular cyanobacterium Cyanothece ATCC51142 across light-dark diurnal cycles SO BMC SYSTEMS BIOLOGY LA English DT Article ID SP STRAIN ATCC-51142; MASS-SPECTROMETRY; PROTEIN-TURNOVER; DIAZOTROPHIC CYANOBACTERIUM; ATCC 51142; EXPRESSION; METABOLISM; SYNECHOCYSTIS; FIXATION; PATHWAY AB Background: Unicellular cyanobacteria of the genus Cyanothece are recognized for their ability to execute nitrogen (N-2)-fixation in the dark and photosynthesis in the light. An understanding of these mechanistic processes in an integrated systems context should provide insights into how Cyanothece might be optimized for specialized environments and/or industrial purposes. Systems-wide dynamic proteomic profiling with mass spectrometry (MS) analysis should reveal fundamental insights into the control and regulation of these functions. Results: To expand upon the current knowledge of protein expression patterns in Cyanothece ATCC51142, we performed quantitative proteomic analysis using partial ("unsaturated") metabolic labeling and high mass accuracy LC-MS analysis. This dynamic proteomic profiling identified 721 actively synthesized proteins with significant temporal changes in expression throughout the light-dark cycles, of which 425 proteins matched with previously characterized cycling transcripts. The remaining 296 proteins contained a cluster of proteins uniquely involved in DNA replication and repair, protein degradation, tRNA synthesis and modification, transport and binding, and regulatory functions. Functional classification of labeled proteins suggested that proteins involved in respiration and glycogen metabolism showed increased expression in the dark cycle together with nitrogenase, suggesting that N-2-fixation is mediated by higher respiration and glycogen metabolism. Results indicated that Cyanothece ATCC51142 might utilize alternative pathways for carbon (C) and nitrogen (N) acquisition, particularly, aspartic acid and glutamate as substrates of C and N, respectively. Utilization of phosphoketolase (PHK) pathway for the conversion of xylulose-5P to pyruvate and acetyl-P likely constitutes an alternative strategy to compensate higher ATP and NADPH demand. Conclusion: This study provides a deeper systems level insight into how Cyanothece ATCC51142 modulates cellular functions to accommodate photosynthesis and N2-fixation within the single cell. C1 [Aryal, Uma K.; Krovvidi, Ravi K.; Gritsenko, Marina A.; Monroe, Matthew E.; Moore, Ronald J.; Koppenaal, David W.; Smith, Richard D.; Jacobs, Jon M.] Pacific NW Natl Lab, Richland, WA 99352 USA. [Stoeckel, Jana; Pakrasi, Himadri B.] Washington Univ, Dept Biol, St Louis, MO 63130 USA. RP Jacobs, JM (reprint author), Pacific NW Natl Lab, Richland, WA 99352 USA. EM jon.jacobs@pnnl.gov RI Smith, Richard/J-3664-2012 OI Smith, Richard/0000-0002-2381-2349 FU U.S. Department of Energy's Office of Biological and Environmental Research at Pacific Northwest national Laboratory (PNNL), Richland, WA; DOE [DE-ACO5-76RLO 1830] FX We thank Dr. Joan Krochko of NRC-Plant Biotechnology Institute, Saskatoon, Canada for useful comments and inputs to improve the manuscript. We also thank Dr. Thomas Angel for help and useful discussion during the preparation of the manuscript. This work was part of a Membrane Biology Scientific Grand Challenge (MBGC) project at the W. R. Wiley Environmental Molecular Science Laboratory, a national scientific user facility sponsored by the U.S. Department of Energy's Office of Biological and Environmental Research Program and located at Pacific Northwest national Laboratory (PNNL), Richland, WA. Battelle operates PNNL for the DOE under Contract DE-ACO5-76RLO 1830. NR 63 TC 22 Z9 23 U1 0 U2 24 PU BIOMED CENTRAL LTD PI LONDON PA 236 GRAYS INN RD, FLOOR 6, LONDON WC1X 8HL, ENGLAND SN 1752-0509 J9 BMC SYST BIOL JI BMC Syst. Biol. PD DEC 1 PY 2011 VL 5 AR 194 DI 10.1186/1752-0509-5-194 PG 16 WC Mathematical & Computational Biology SC Mathematical & Computational Biology GA 892OK UT WOS:000300295300001 PM 22133144 ER PT J AU Belloni, F Calviani, M Colonna, N Mastinu, P Milazzo, PM Abbondanno, U Aerts, G Alvarez, H Alvarez-Velarde, F Andriamonje, S Andrzejewski, J Audouin, L Badurek, G Barbagallo, M Baumann, P Becvar, F Berthoumieux, E Calvino, F Cano-Ott, D Capote, R Carrapico, C Cennini, P Chepel, V Chiaveri, E Cortes, G Couture, A Cox, J Dahlfors, M David, S Dillmann, I Domingo-Pardo, C Dridi, W Duran, I Eleftheriadis, C Embid-Segura, M Ferrari, A Ferreira-Marques, R Fujii, K Furman, W Goncalves, I Gonzalez-Romero, E Goverdovski, A Gramegna, F Guerrero, C Gunsing, F Haas, B Haight, R Heil, M Herrera-Martinez, A Igashira, M Jericha, E Kappeler, F Kadi, Y Karadimos, D Karamanis, D Kerveno, M Koehler, P Kossionides, E Krticka, M Lamboudis, C Leeb, H Lindote, A Lopes, I Lozano, M Lukic, S Marganiec, J Marrone, S Martinez, T Massimi, C Meaze, MH Mengoni, A Moreau, C Mosconi, M Neves, F Oberhummer, H O'Brien, S Pancin, J Papachristodoulou, C Papadopoulos, C Paradela, C Patronis, N Pavlik, A Pavlopoulos, P Perrot, L Pigni, MT Plag, R Plompen, A Plukis, A Poch, A Praena, J Pretel, C Quesada, J Rauscher, T Reifarth, R Rosetti, M Rubbia, C Rudolf, G Rullhusen, P Salgado, J Santos, C Sarchiapone, L Savvidis, I Stephan, C Tagliente, G Tain, JL Tarrio, D Tassan-Got, L Tavora, L Terlizzi, R Vannini, G Vaz, P Ventura, A Villamarin, D Vincente, MC Vlachoudis, V Vlastou, R Voss, F Walter, S Wiescher, M Wisshak, K AF Belloni, F. Calviani, M. Colonna, N. Mastinu, P. Milazzo, P. M. Abbondanno, U. Aerts, G. Alvarez, H. Alvarez-Velarde, F. Andriamonje, S. Andrzejewski, J. Audouin, L. Badurek, G. Barbagallo, M. Baumann, P. Becvar, F. Berthoumieux, E. Calvino, F. Cano-Ott, D. Capote, R. Carrapico, C. Cennini, P. Chepel, V. Chiaveri, E. Cortes, G. Couture, A. Cox, J. Dahlfors, M. David, S. Dillmann, I. Domingo-Pardo, C. Dridi, W. Duran, I. Eleftheriadis, C. Embid-Segura, M. Ferrari, A. Ferreira-Marques, R. Fujii, K. Furman, W. Goncalves, I. Gonzalez-Romero, E. Goverdovski, A. Gramegna, F. Guerrero, C. Gunsing, F. Haas, B. Haight, R. Heil, M. Herrera-Martinez, A. Igashira, M. Jericha, E. Kaeppeler, F. Kadi, Y. Karadimos, D. Karamanis, D. Kerveno, M. Koehler, P. Kossionides, E. Krticka, M. Lamboudis, C. Leeb, H. Lindote, A. Lopes, I. Lozano, M. Lukic, S. Marganiec, J. Marrone, S. Martinez, T. Massimi, C. Meaze, M. H. Mengoni, A. Moreau, C. Mosconi, M. Neves, F. Oberhummer, H. O'Brien, S. Pancin, J. Papachristodoulou, C. Papadopoulos, C. Paradela, C. Patronis, N. Pavlik, A. Pavlopoulos, P. Perrot, L. Pigni, M. T. Plag, R. Plompen, A. Plukis, A. Poch, A. Praena, J. Pretel, C. Quesada, J. Rauscher, T. Reifarth, R. Rosetti, M. Rubbia, C. Rudolf, G. Rullhusen, P. Salgado, J. Santos, C. Sarchiapone, L. Savvidis, I. Stephan, C. Tagliente, G. Tain, J. L. Tarrio, D. Tassan-Got, L. Tavora, L. Terlizzi, R. Vannini, G. Vaz, P. Ventura, A. Villamarin, D. Vincente, M. C. Vlachoudis, V. Vlastou, R. Voss, F. Walter, S. Wiescher, M. Wisshak, K. TI Measurement of the neutron-induced fission cross-section of Am-243 relative to U-235 from 0.5 to 20 MeV SO EUROPEAN PHYSICAL JOURNAL A LA English DT Article ID N-TOF; NUCLEAR-SCIENCE; ENERGY-RANGE; STANDARDS; LIBRARY; SYSTEM; CERN AB The ratio of the neutron-induced fission cross-sections of Am-243 and U-235 was measured in the energy range from 0.5 to 20 MeV with uncertainties of approximate to 4%. The experiment was performed at the CERN n_TOF facility using a fast ionization chamber. With the good counting statistics that could be achieved thanks to the high instantaneous flux and the low backgrounds, the present results are useful for resolving discrepancies in previous data sets and are important for future reactors with improved fuel burn-up. C1 [Belloni, F.; Calviani, M.; Mastinu, P.; Milazzo, P. M.; Abbondanno, U.; Fujii, K.; Gramegna, F.; Moreau, C.] Ist Nazl Fis Nucl INFN, Lab Nazl Legnaro, Trieste, Italy. [Calviani, M.; Cennini, P.; Chiaveri, E.; Dahlfors, M.; Ferrari, A.; Herrera-Martinez, A.; Kadi, Y.; Mengoni, A.; Sarchiapone, L.; Vlachoudis, V.] CERN, Geneva, Switzerland. [Calviani, M.; Cennini, P.; Chiaveri, E.; Dahlfors, M.; Ferrari, A.; Herrera-Martinez, A.; Kadi, Y.; Mengoni, A.; Sarchiapone, L.; Vlachoudis, V.] Ist Nazl Fis Nucl INFN, Bari, Italy. [Aerts, G.; Andriamonje, S.; Berthoumieux, E.; Dridi, W.; Embid-Segura, M.; Gunsing, F.; Pancin, J.; Perrot, L.; Plukis, A.] CEA, Gif Sur Yvette, France. [Alvarez, H.; Cano-Ott, D.; Duran, I.; Gonzalez-Romero, E.; Paradela, C.; Tarrio, D.] Univ Santiago de Compostela, Santiago De Compostela, Spain. [Alvarez-Velarde, F.; Guerrero, C.; Martinez, T.; Villamarin, D.; Vincente, M. C.] Ctr Invest Energet Medioambient & Technol, Madrid, Spain. [Andrzejewski, J.; Marganiec, J.] Univ Lodz, PL-90131 Lodz, Poland. [Audouin, L.; Dillmann, I.; Heil, M.; Kaeppeler, F.; Mosconi, M.; Plag, R.; Voss, F.; Walter, S.; Wisshak, K.] Karlsruhe Inst Technol, Inst Kernphys, Karlsruhe, Germany. [Badurek, G.; Jericha, E.; Oberhummer, H.] Vienna Univ Technol, Atominstit Osterreich Univ, Vienna, Austria. [Baumann, P.; David, S.; Kerveno, M.; Lukic, S.; Rudolf, G.] Ctr Natl Rech Sci IN2P3 IReS, Strasbourg, France. [Becvar, F.; Krticka, M.] Charles Univ Prague, Fac Math & Phys, Prague, Czech Republic. [Calvino, F.; Cortes, G.; Poch, A.; Pretel, C.] Univ Politecn Cataluna, Barcelona, Spain. [Capote, R.; Mengoni, A.] NAPC Nucl Data Sect, Int Atom Energy Agcy IAEA, Vienna, Austria. [Capote, R.; Lozano, M.; Praena, J.; Quesada, J.] Univ Seville, Seville, Spain. [Carrapico, C.; Goncalves, I.; Salgado, J.; Santos, C.; Tavora, L.; Vaz, P.] Inst Tecnol & Nucl ITN, Lisbon, Portugal. [Chepel, V.; Ferreira-Marques, R.; Lindote, A.; Lopes, I.; Neves, F.] Univ Coimbra, LIP Coimbra, P-3000 Coimbra, Portugal. [Chepel, V.; Ferreira-Marques, R.; Lindote, A.; Lopes, I.; Neves, F.] Univ Coimbra, Dept Fis, P-3000 Coimbra, Portugal. [Couture, A.; Cox, J.; O'Brien, S.; Wiescher, M.] Univ Notre Dame, Notre Dame, IN 46556 USA. [Domingo-Pardo, C.; Tain, J. L.] Univ Valencia, CSIC, Inst Fis Corpuscular, E-46003 Valencia, Spain. [Eleftheriadis, C.; Lamboudis, C.; Savvidis, I.] Aristotle Univ Thessaloniki, Thessaloniki, Greece. [Furman, W.] Joint Inst Nucl Res, Frank Lab Neutron Phys, Dubna, Russia. [Goverdovski, A.] Inst Phys & Power Engn, Obninsk, Russia. [Haas, B.] Ctr Natl Rech Sci IN2P3 CENBG, Bordeaux, France. [Haight, R.; Reifarth, R.] Los Alamos Natl Lab, Los Alamos, NM USA. [Igashira, M.] Tokyo Inst Technol, Tokyo 152, Japan. [Karadimos, D.; Karamanis, D.; Papachristodoulou, C.; Patronis, N.] Univ Ioannina, GR-45110 Ioannina, Greece. [Koehler, P.; Pigni, M. T.] Oak Ridge Natl Lab, Oak Ridge, TN USA. [Kossionides, E.] NCSR, Athens, Greece. [Massimi, C.; Vannini, G.] Univ Bologna, Dipartimento Fis, I-40126 Bologna, Italy. [Massimi, C.; Vannini, G.] Sez INFN Bologna, Bologna, Italy. [Papadopoulos, C.; Vlastou, R.] Natl Tech Univ Athens, GR-10682 Athens, Greece. [Pavlik, A.] Univ Vienna, Inst Fak Phys, A-1010 Vienna, Austria. [Pavlopoulos, P.] Pole Univ Leonard de Vinci, Paris Def, Paris, France. [Plompen, A.; Rullhusen, P.] CEC JRC IRMM, Geel, Belgium. [Rauscher, T.] Univ Basel, Dept Phys & Astron, CH-4003 Basel, Switzerland. [Rosetti, M.; Ventura, A.] ENEA, Bologna, Italy. [Rubbia, C.] Univ Pavia, I-27100 Pavia, Italy. [Stephan, C.; Tassan-Got, L.] IPN, Ctr Natl Rech Sci, IN2P3, Orsay, France. RP Belloni, F (reprint author), Ist Nazl Fis Nucl INFN, Lab Nazl Legnaro, Trieste, Italy. EM paolo.milazzo@ts.infn.it RI Becvar, Frantisek/D-3824-2012; Jericha, Erwin/A-4094-2011; Chepel, Vitaly/H-4538-2012; Tain, Jose L./K-2492-2014; Cano Ott, Daniel/K-4945-2014; Rauscher, Thomas/D-2086-2009; Lindote, Alexandre/H-4437-2013; Neves, Francisco/H-4744-2013; Goncalves, Isabel/J-6954-2013; Vaz, Pedro/K-2464-2013; Lopes, Isabel/A-1806-2014; Cortes, Guillem/B-6869-2014; Mengoni, Alberto/I-1497-2012; Guerrero, Carlos/L-3251-2014; Gonzalez Romero, Enrique/L-7561-2014; Pretel Sanchez, Carme/L-8287-2014; Martinez, Trinitario/K-6785-2014; Capote Noy, Roberto/M-1245-2014; Massimi, Cristian/B-2401-2015; Duran, Ignacio/H-7254-2015; Alvarez Pol, Hector/F-1930-2011; Massimi, Cristian/K-2008-2015; Paradela, Carlos/J-1492-2012; Gramegna, Fabiana/B-1377-2012; Calvino, Francisco/K-5743-2014 OI Jericha, Erwin/0000-0002-8663-0526; Cano Ott, Daniel/0000-0002-9568-7508; Rauscher, Thomas/0000-0002-1266-0642; Lindote, Alexandre/0000-0002-7965-807X; Neves, Francisco/0000-0003-3635-1083; Vaz, Pedro/0000-0002-7186-2359; Lopes, Isabel/0000-0003-0419-903X; Mengoni, Alberto/0000-0002-2537-0038; Tarrio, Diego/0000-0002-9858-3341; Guerrero, Carlos/0000-0002-2111-546X; Gonzalez Romero, Enrique/0000-0003-2376-8920; Martinez, Trinitario/0000-0002-0683-5506; Capote Noy, Roberto/0000-0002-1799-3438; Massimi, Cristian/0000-0001-9792-3722; Alvarez Pol, Hector/0000-0001-9643-6252; Massimi, Cristian/0000-0003-2499-5586; Gramegna, Fabiana/0000-0001-6112-0602; Calvino, Francisco/0000-0002-7198-4639 FU EC [FIKW-CT-2000-00107]; European Union [249671] FX This work was supported by the EC under contract FIKW-CT-2000-00107 and by the funding agencies of the participating institutes. The research leading to these results has received funding from the European Union's Seventh Framework Programme under the ANDES project, Grant Agreement n. 249671. NR 25 TC 7 Z9 7 U1 4 U2 30 PU SPRINGER PI NEW YORK PA 233 SPRING ST, NEW YORK, NY 10013 USA SN 1434-6001 EI 1434-601X J9 EUR PHYS J A JI Eur. Phys. J. A PD DEC PY 2011 VL 47 IS 12 AR 160 DI 10.1140/epja/i2011-11160-x PG 8 WC Physics, Nuclear; Physics, Particles & Fields SC Physics GA 892KM UT WOS:000300285100005 ER PT J AU Dodelson, S AF Dodelson, Scott TI THE REAL PROBLEM WITH MOND SO INTERNATIONAL JOURNAL OF MODERN PHYSICS D LA English DT Article DE Cosmology; dark matter ID NEWTONIAN DYNAMICS; DARK-MATTER; COSMOLOGY AB Gravitational potentials in the cosmos are deeper than expected from observed visible objects, a phenomenon usually attributed to dark matter, presumably in the form of a new fundamental particle. Until such a particle is observed, the jury remains out on dark matter, and modified gravity models must be considered. The class of models reducing to modified Newtonian dynamics (MOND) in the weak field limit does an excellent job fitting the rotation curves of galaxies, predicting the relation between baryonic mass and velocity in gas-dominated galaxies, and explaining the properties of the local group. Several of the initial challenges facing MOND have been overcome, while others remain. Here we point out the most severe challenge facing MOND. C1 [Dodelson, Scott] Fermilab Natl Accelerator Lab, Ctr Particle Astrophys, Batavia, IL 60510 USA. [Dodelson, Scott] Univ Chicago, Dept Astron & Astrophys, Chicago, IL 60637 USA. [Dodelson, Scott] Kavli Inst Cosmol Phys, Chicago, IL 60637 USA. RP Dodelson, S (reprint author), Fermilab Natl Accelerator Lab, Ctr Particle Astrophys, POB 500, Batavia, IL 60510 USA. EM dodelson@fnal.gov NR 10 TC 15 Z9 15 U1 0 U2 4 PU WORLD SCIENTIFIC PUBL CO PTE LTD PI SINGAPORE PA 5 TOH TUCK LINK, SINGAPORE 596224, SINGAPORE SN 0218-2718 J9 INT J MOD PHYS D JI Int. J. Mod. Phys. D PD DEC PY 2011 VL 20 IS 14 SI SI BP 2749 EP 2753 DI 10.1142/S0218271811020561 PG 5 WC Astronomy & Astrophysics SC Astronomy & Astrophysics GA 894NE UT WOS:000300432600006 ER PT J AU Buijsse, B van Laarhoven, FMHM Schmid, AK Cambie, R Cabrini, S Jin, J Glaeser, RM AF Buijsse, Bart van Laarhoven, Frank M. H. M. Schmid, Andreas K. Cambie, Rossana Cabrini, Stefano Jin, Jian Glaeser, Robert M. TI Design of a hybrid double-sideband/single-sideband (schlieren) objective aperture suitable for electron microscopy SO ULTRAMICROSCOPY LA English DT Article DE Phase contrast; Single-sideband aperture; Charging ID PHASE-CONTRAST; CRYOELECTRON MICROSCOPY; RECONSTRUCTION; DISCRIMINATION; PROTEIN; HEAVY AB A novel design is described for an aperture that blocks a half-plane of the electron diffraction pattern out to a desired scattering angle, and then - except for a narrow support beam - transmits all of the scattered electrons beyond that angle. Our proposed tulip-shaped design is thus a hybrid between the single-sideband (ssb) aperture, which blocks a full half-plane of the diffraction pattern, and the conventional (i.e. fully open) double-sideband (dsb) aperture. The benefits of this hybrid design include the fact that such an aperture allows one to obtain high-contrast images of weak-phase objects with the objective lens set to Scherzer defocus. We further demonstrate that such apertures can be fabricated from thin-foil materials by milling with a focused ion beam (FIB), and that such apertures are fully compatible with the requirements of imaging out to a resolution of at least 0.34 nm. As is known from earlier work with single-sideband apertures, however, the edge of such an aperture can introduce unwanted, electrostatic phase shifts due to charging. The principal requirement for using such an aperture in a routine data-collection mode is thus to discover appropriate materials, protocols for fabrication and processing and conditions of use such that the hybrid aperture remains free of charging over long periods of time. (C) 2011 Elsevier B.V. All rights reserved. C1 [Schmid, Andreas K.; Cambie, Rossana; Cabrini, Stefano; Jin, Jian; Glaeser, Robert M.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA. [Buijsse, Bart; van Laarhoven, Frank M. H. M.] FEI Co, NL-5600 KA Eindhoven, Netherlands. RP Glaeser, RM (reprint author), Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA. EM rmglaeser@lbl.gov FU FEI Company; NIH [GM083039]; US Department of Energy, Office of Science, Office of Biological and Environmental Research [DE-AC02-05CH11231]; Lawrence Berkeley National Laboratory; U.S. Department of Energy FX FEI Company obtained partial funding for this work through the innovation program Point One, which is carried out by AgentschapNL by order of the Dutch Ministry of Economic Affairs. This work was also supported in part by NIH grant GM083039 and in part through ENIGMA, a Scientific Focus Area Program supported by the US Department of Energy, Office of Science, Office of Biological and Environmental Research, Genomics: GTL Foundational Science through contract DE-AC02-05CH11231 between Lawrence Berkeley National Laboratory and the U.S. Department of Energy. The fabrication of gold apertures and related work was performed as a User project at the Molecular Foundry, Lawrence Berkeley National Laboratory. NR 23 TC 14 Z9 14 U1 3 U2 11 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 0304-3991 J9 ULTRAMICROSCOPY JI Ultramicroscopy PD DEC PY 2011 VL 111 IS 12 BP 1688 EP 1695 DI 10.1016/j.ultramic.2011.09.015 PG 8 WC Microscopy SC Microscopy GA 894XT UT WOS:000300461500006 PM 22088443 ER EF