FN Thomson Reuters Web of Science™
VR 1.0
PT J
AU Nunoura, T
Inagaki, F
Delwiche, ME
Colwell, FS
Takai, K
AF Nunoura, Takuro
Inagaki, Fumio
Delwiche, Mark E.
Colwell, Frederick S.
Takai, Ken
TI Subseafloor Microbial Communities in Methane Hydrate-Bearing Sediment at
Two Distinct Locations (ODP Leg204) in the Cascadia Margin
SO MICROBES AND ENVIRONMENTS
LA English
DT Article
DE subseafloor biosphere; Ocean Drilling Program; the Cascadia Margin;
methanogen; methane hydrate
ID DEEP MARINE-SEDIMENTS; SP-NOV.; BIOGEOCHEMICAL PROCESSES;
BACTERIAL-POPULATIONS; SUBSURFACE SEDIMENTS; MOLECULAR ANALYSIS; NANKAI
TROUGH; SEA SEDIMENTS; GAS HYDRATE; PERU MARGIN
AB The prokaryotic communities in deep subseafloor sediment collected during Ocean Drilling Program (ODP) Leg 204 from the South Hydrate Ridge (SHR) on the Cascadia Margin were analyzed by 16S rRNA gene clone sequencing and a fluorescent quantitative PCR technique. The microbial communities came from sites with contrasting geological characteristics on the SHR: sites 1244 and 1245 (located on the flank of the ridge, hydrate-rich sediment) and site 1251 (located on the slope basin of SHR, hydrate-poor sediment). The overall copy numbers of the 16S rRNA gene, and the proportion of archaeal 16S rRNA gene in all 16S rRNA gene community in sediment were larger on the slope basin than on the flank of the SHR. Archaeal community structure around the sulfate-methane transition zone at site 125 1 (4.5 mbsf) was intensively investigated using two different PCR primer sets. A relatively abundant distribution of the 16S rRNA gene sequences related to mesophilic methanogen of the genus Methanoculleus was identified at a depth of 43.2 mbsf, and suggested that the methanogens occur in relatively shallow zones of sediment. This study demonstrated that the subseafloor microbial communities shown by 16S rRNA gene clone analyses were not directly associated with subseafloor methane hydrate deposits.
C1 [Nunoura, Takuro; Inagaki, Fumio; Takai, Ken] Japan Agcy Marine Earth Sci & Technol, Extremobiosphere Res Ctr, Subground Animalcule Retrieval SUGAR Program, Yokosuka, Kanagawa 2370061, Japan.
[Delwiche, Mark E.; Colwell, Frederick S.] Idaho Natl Lab, Dept Biol Sci, Idaho Falls, ID 83415 USA.
[Colwell, Frederick S.] Oregon State Univ, Coll Ocean & Atmospher Sci, Corvallis, OR 97331 USA.
RP Nunoura, T (reprint author), Japan Agcy Marine Earth Sci & Technol, Extremobiosphere Res Ctr, Subground Animalcule Retrieval SUGAR Program, 2 15 Natsushima Cho, Yokosuka, Kanagawa 2370061, Japan.
EM takuron@jamstec.go.jp
FU U.S. National Science Foundation; Joint Oceanographic Institutions, Inc.
FX We thank the personnel of Leg 204 shipboard scientific parties for
sampling sediments. ODP is sponsored by the U.S. National Science
Foundation and participating countries under the management of Joint
Oceanographic Institutions, Inc.
NR 46
TC 22
Z9 23
U1 1
U2 15
PU JAPANESE SOC MICROBIAL ECOLOGY, DEPT BIORESOURCE SCIENCE
PI IBARAKI
PA C/O DR. HIROYUKI OHTA, SEC, IBARAKI UNIV COLLEGE OF AGRICULT, AMI-MACHI,
IBARAKI, JAPAN
SN 1342-6311
J9 MICROBES ENVIRON
JI Microbes Environ.
PY 2008
VL 23
IS 4
BP 317
EP 325
DI 10.1264/jsme2.ME08514
PG 9
WC Biotechnology & Applied Microbiology; Microbiology
SC Biotechnology & Applied Microbiology; Microbiology
GA 376MN
UT WOS:000261187800009
PM 21558725
ER
PT S
AU Auciello, O
Sumant, A
Hiller, J
KabiuS, B
Srinivasan, S
AF Auciello, Orlando
Sumant, Anirudha
Hiller, Jon
KabiuS, Bernd
Srinivasan, Sudarsan
BE LaVan, DA
DaSilva, MG
Spearing, SM
Vengallatore, S
TI Science and technology of piezoelectric/diamond hybrid heterostructures
for high performance MEMS/NEMS devices
SO MICROELECTROMECHANICAL SYSTEMS - MATERIALS AND DEVICES
SE MATERIALS RESEARCH SOCIETY SYMPOSIUM PROCEEDINGS
LA English
DT Proceedings Paper
CT Symposium on Microelectromechanical Systems - Materials and Devices held
at the 2007 MRS Fall Meeting
CY NOV 26-28, 2007
CL Boston, MA
SP Mat Res Soc
ID DIAMOND THIN-FILMS; ULTRANANOCRYSTALLINE DIAMOND; FABRICATION;
DEPOSITION; MEMS
AB Most current micro/nanoelectromechanical systems (MEMS/NEMS) are based on silicon. However, silicon exhibits relatively poor mechanical/tribological properties, compromising applications to some devices. Diamond films with superior mechanical/tribological properties provide an excellent alternative platform material. Ultrananocrystalline diamond (UNCD (R)) in film form with 2-5 nm grains exhibits excellent mechanical and tribological properties for high-performance MEMS/NEMS devices. Concurrently, piezoelectric Pb(ZrxTi1-x)O-3 (PZT) films provide high sensitivity/low electrical noise for sensing/high-force actuation at relatively low voltages. Therefore, integration of PZT and UNCD films provides a high-performance platform for advanced MEMS/NEMS devices. This paper describes the bases of such integration and demonstration of low voltage piezoactuated hybrid PZT/UNCD cantilevers.
C1 [Auciello, Orlando] Argonne Natl Lab, Div Mat Sci, Argonne, IL 60439 USA.
RP Auciello, O (reprint author), Argonne Natl Lab, Div Mat Sci, 9700 S Cass Ave, Argonne, IL 60439 USA.
RI Hiller, Jon/A-2513-2009
OI Hiller, Jon/0000-0001-7207-8008
NR 16
TC 1
Z9 1
U1 0
U2 3
PU MATERIALS RESEARCH SOCIETY
PI WARRENDALE
PA 506 KEYSTONE DRIVE, WARRENDALE, PA 15088-7563 USA
SN 0272-9172
BN 978-1-55899-990-9
J9 MATER RES SOC SYMP P
PY 2008
VL 1052
BP 259
EP 263
PG 5
WC Engineering, Electrical & Electronic; Engineering, Mechanical; Materials
Science, Characterization & Testing
SC Engineering; Materials Science
GA BHP16
UT WOS:000255102800039
ER
PT J
AU Knorovsky, GA
Semak, VV
AF Knorovsky, G. A.
Semak, V. V.
BE Zhou, Y
TI Fundamentals of fusion microwelding
SO MICROJOINING AND NANOJOINING
SE Woodhead Publishing in Materials
LA English
DT Article; Book Chapter
ID SURFACE-TENSION; WELDING ARC; LASER-PULSE; FLUID-FLOW; METAL;
VAPORIZATION; POOL; EVOLUTION
C1 [Knorovsky, G. A.] Sandia Natl Labs, Joining & Coating Dept, Albuquerque, NM 87185 USA.
[Semak, V. V.] Penn State Univ, Electroopt Ctr, Freeport, PA USA.
RP Knorovsky, GA (reprint author), Sandia Natl Labs, Joining & Coating Dept, POB 5800, Albuquerque, NM 87185 USA.
EM gaknoro@sandia.gov; vxs21@psu.edu
NR 51
TC 1
Z9 1
U1 0
U2 0
PU WOODHEAD PUBL LTD
PI CAMBRIDGE
PA ABINGTON HALL ABINGTON, CAMBRIDGE CB1 6AH, CAMBS, ENGLAND
BN 978 1 84569 179 0
J9 WOODHEAD PUBL MATER
PY 2008
BP 51
EP 90
DI 10.1533/9781845694043.1.51
D2 10.1533/9781845694043
PG 40
WC Nanoscience & Nanotechnology; Materials Science, Multidisciplinary
SC Science & Technology - Other Topics; Materials Science
GA BQZ11
UT WOS:000282179800004
ER
PT J
AU Miyamoto, I
Knorovsky, GA
AF Miyamoto, I.
Knorovsky, G. A.
BE Zhou, Y
TI Laser microwelding
SO MICROJOINING AND NANOJOINING
SE Woodhead Publishing in Materials
LA English
DT Article; Book Chapter
ID TRANSPARENT MATERIALS; HEAT-TRANSFER; WELDING TECHNIQUE; PULSES; BEAM;
PENETRATION; EFFICIENCY; RADIATION; KEYHOLE
C1 [Miyamoto, I.] Osaka Univ, Suita, Osaka 5650871, Japan.
[Knorovsky, G. A.] Sandia Natl Labs, Joining & Coating Dept, Albuquerque, NM 87185 USA.
RP Miyamoto, I (reprint author), Osaka Univ, 2-1 Yamada Oka, Suita, Osaka 5650871, Japan.
EM isamu.miyamoto@ares.eonet.ne.jp; gaknoro@sandia.gov
NR 97
TC 5
Z9 5
U1 0
U2 1
PU WOODHEAD PUBL LTD
PI CAMBRIDGE
PA ABINGTON HALL ABINGTON, CAMBRIDGE CB1 6AH, CAMBS, ENGLAND
BN 978 1 84569 179 0
J9 WOODHEAD PUBL MATER
PY 2008
BP 345
EP 417
DI 10.1533/9781845694043.2.345
D2 10.1533/9781845694043
PG 73
WC Nanoscience & Nanotechnology; Materials Science, Multidisciplinary
SC Science & Technology - Other Topics; Materials Science
GA BQZ11
UT WOS:000282179800015
ER
PT B
AU Knorovsky, GA
Dorfmuller, T
Dilthey, U
Woeste, K
AF Knorovsky, G. A.
Dorfmueller, T.
Dilthey, U.
Woeste, K.
BE Zhou, Y
TI Electron beam microwelding
SO MICROJOINING AND NANOJOINING
SE Woodhead Publishing in Materials
LA English
DT Article; Book Chapter
C1 [Knorovsky, G. A.] Sandia Natl Labs, Livermore, CA 94550 USA.
[Dorfmueller, T.; Dilthey, U.; Woeste, K.] Rhein Westfal TH Aachen, Welding & Joining Inst ISF, Aachen, Germany.
[Knorovsky, G. A.] Sandia Natl Labs, Joining & Coating Dept, Albuquerque, NM 87185 USA.
RP Knorovsky, GA (reprint author), Sandia Natl Labs, Livermore, CA 94550 USA.
EM gaknoro@sandia.gov; do@isf.rwth-aachen.de
NR 12
TC 0
Z9 0
U1 1
U2 1
PU WOODHEAD PUBL LTD
PI CAMBRIDGE
PA ABINGTON HALL ABINGTON, CAMBRIDGE CB1 6AH, CAMBS, ENGLAND
BN 978 1 84569 179 0
J9 WOODHEAD PUBL MATER
PY 2008
BP 418
EP 472
DI 10.1533/9781845694043.2.418
D2 10.1533/9781845694043
PG 55
WC Nanoscience & Nanotechnology; Materials Science, Multidisciplinary
SC Science & Technology - Other Topics; Materials Science
GA BQZ11
UT WOS:000282179800016
ER
PT B
AU Brochu, M
Loehman, RE
AF Brochu, M.
Loehman, R. E.
BE Zhou, Y
TI Hermetic sealing of solid oxide fuel cells
SO MICROJOINING AND NANOJOINING
SE Woodhead Publishing in Materials
LA English
DT Article; Book Chapter
ID CRYSTALLIZATION KINETICS; COMPRESSIVE SEALS; GLASS COMPOSITES; SOFC
STACKS; MG; INTERCONNECTS; ELECTROLYTE; BARIUM; ZN
C1 [Brochu, M.] McGill Univ, Min & Mat Engn Dept, Montreal, PQ H3A 2B2, Canada.
[Loehman, R. E.] Sandia Natl Labs, Adv Mat Labs, Albuquerque, NM 87106 USA.
RP Brochu, M (reprint author), McGill Univ, Min & Mat Engn Dept, 3610 Univ St, Montreal, PQ H3A 2B2, Canada.
EM mathieu.brochu@mcgill.ca
NR 50
TC 0
Z9 0
U1 0
U2 0
PU WOODHEAD PUBL LTD
PI CAMBRIDGE
PA ABINGTON HALL ABINGTON, CAMBRIDGE CB1 6AH, CAMBS, ENGLAND
BN 978 1 84569 179 0
J9 WOODHEAD PUBL MATER
PY 2008
BP 718
EP 740
DI 10.1533/9781845694043.3.718
D2 10.1533/9781845694043
PG 23
WC Nanoscience & Nanotechnology; Materials Science, Multidisciplinary
SC Science & Technology - Other Topics; Materials Science
GA BQZ11
UT WOS:000282179800025
ER
PT S
AU Liliental-Weber, Z
Kryliouk, O
Park, HJ
Mangum, J
Anderson, T
Schaff, W
AF Liliental-Weber, Z.
Kryliouk, O.
Park, H. J.
Mangum, J.
Anderson, T.
Schaff, W.
BE Cullis, AG
Midgley, PA
TI InN Nanorods and Epilayers: Similarities and Differences
SO MICROSCOPY OF SEMICONDUCTING MATERIALS 2007
SE Springer Proceedings in Physics
LA English
DT Proceedings Paper
CT 15th Conference on Microscopy of Semiconducting Materials
CY APR 02-05, 2007
CL Univ Cambridge, Cambridge, ENGLAND
HO Univ Cambridge
AB Transmission electron microscopy was applied to study InN nanorods grown on the a-, c- and r-plane of Al2O3, and (111) Si Substrates by non-catalytic, template-free hydride metal-organic vapor phase epitaxy (H-MOVPE). Single crystal nanorod growth was obtained on all substrates. However, the shape of the nanorods varied depending on the Substrate used. For example, nanorods grown on r-plane sapphire and (111) Si have sharp tips. In contrast, growth on a- and c- planes of Al2O3 results in flat tips with clear facets on their sides. The structural quality of these nanorods and their growth polarity are compared to crystalline quality, surface roughness, defects and growth polarity of InN layers grown by MBE on the same planes of Al2O3.
C1 [Liliental-Weber, Z.] Univ Calif Berkeley, Lawrence Berkeley Lab, M-S 62-203, Berkeley, CA 94720 USA.
[Kryliouk, O.; Park, H. J.; Mangum, J.; Anderson, T.] Univ Florida, Dept Chem Engn, Gainesville, FL 32611 USA.
[Schaff, W.] Cornell Univ, Dept Elect & Comp Engn, Ithaca, NY 14853 USA.
RP Liliental-Weber, Z (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, M-S 62-203, Berkeley, CA 94720 USA.
FU U.S. Department of Energy [DE-AC02-05CH11231]; NSF [CTS-031178, DMR
0400416]; NASA Kennedy Space Center [10-316, N00014-98-1-04]
FX This work is supported by the U.S. Department of Energy under Contract
No. DE-AC02-05CH11231. The work at UF is partially supported by NSF
(CTS-031178) and NASA Kennedy Space Center Grant NAG 10-316, ONR
(N00014-98-1-04) and NSF DMR 0400416.
NR 2
TC 0
Z9 0
U1 0
U2 4
PU SPRINGER-VERLAG BERLIN
PI BERLIN
PA HEIDELBERGER PLATZ 3, D-14197 BERLIN, GERMANY
SN 0930-8989
BN 978-1-4020-8614-4
J9 SPRINGER PROC PHYS
PY 2008
VL 120
BP 37
EP +
PG 2
WC Nanoscience & Nanotechnology; Microscopy; Physics, Condensed Matter
SC Science & Technology - Other Topics; Microscopy; Physics
GA BIW87
UT WOS:000263468800008
ER
PT S
AU Ubaldi, F
Pozzi, G
Fazzini, PF
Beleggia, M
AF Ubaldi, F.
Pozzi, G.
Fazzini, P. F.
Beleggia, M.
BE Cullis, AG
Midgley, PA
TI Three-Dimensional Field Models for Reverse Biased P-N Junctions
SO MICROSCOPY OF SEMICONDUCTING MATERIALS 2007
SE Springer Proceedings in Physics
LA English
DT Proceedings Paper
CT 15th Conference on Microscopy of Semiconducting Materials
CY APR 02-05, 2007
CL Univ Cambridge, Cambridge, ENGLAND
HO Univ Cambridge
ID OPTICAL PHASE-SHIFTS
AB In order to obtain reliable quantitative information on the electrostatic field associated with reverse-biased p-n junctions and on the distribution of dopants, the physics of the so-called "dead layer" and the influence of charged oxide layers are of paramount importance. For this purpose, experimental observations near the edge of a TEM sample can be useful. Under these conditions, however, phase computations required to interpret the experimental results are very challenging as the problem is intrinsically three-dimensional. In order to cope with this problem, a mixed analytical-numerical approach is presented and discussed.
C1 [Ubaldi, F.] Univ Bologna, Phys Dept CNISM, V le Berti Pichat 6-2, I-40127 Bologna, Italy.
[Fazzini, P. F.] CEMES CNRS, F-31055 Toulouse, France.
[Beleggia, M.] Brookhaven Natl Lab, Upton, NY 11973 USA.
RP Ubaldi, F (reprint author), Univ Bologna, Phys Dept CNISM, V le Berti Pichat 6-2, I-40127 Bologna, Italy.
RI FAZZINI, Pier Francesco/B-2645-2012
OI FAZZINI, Pier Francesco/0000-0002-4307-6481
FU MIUR, FIRB [RBAU01M97L]; U.S. Department of Energy, Basic Energy
Sciences [DE-AC02-98CH10886]
FX Financial support was provided by MIUR, FIRB funding RBAU01M97L, and by
the U.S. Department of Energy, Basic Energy Sciences, under contract
number DE-AC02-98CH10886.
NR 8
TC 0
Z9 0
U1 0
U2 1
PU SPRINGER-VERLAG BERLIN
PI BERLIN
PA HEIDELBERGER PLATZ 3, D-14197 BERLIN, GERMANY
SN 0930-8989
BN 978-1-4020-8614-4
J9 SPRINGER PROC PHYS
PY 2008
VL 120
BP 383
EP +
PG 2
WC Nanoscience & Nanotechnology; Microscopy; Physics, Condensed Matter
SC Science & Technology - Other Topics; Microscopy; Physics
GA BIW87
UT WOS:000263468800082
ER
PT J
AU Anderson-Cook, CM
Graves, T
Hengartner, N
Klamann, R
Wiedlea, ACK
Wilson, AG
Anderson, G
Lopez, G
AF Anderson-Cook, Christine M.
Graves, Todd
Hengartner, Nicolas
Klamann, Richard
Wiedlea, Andrew C. K.
Wilson, Alyson G.
Anderson, Greg
Lopez, George
TI Reliability Modeling using Both System Test and Quality Assurance Data
SO MILITARY OPERATIONS RESEARCH
LA English
DT Article
ID COMPONENT TEST DATA; BAYESIAN-ESTIMATION; COMPLEX-SYSTEMS; SERIES
SYSTEMS; BINOMIAL SUBSYSTEMS; CONFIDENCE LIMITS; INTERVALS
AB A system with several components may undergo full system pass/fail testing as well as quality assurance testing at the single component level. The component tests are informative about system reliability, although they measure different things than the full system tests. We present a Bayesian framework for integrating the two types of test data for better reliability estimates. Our formulation allows the reliability to depend on covariates such as age. One result of the inference is a better understanding of the relationship between component tests and system performance. We illustrate the ideas using a small subsystem of a larger (proprietary) system.
C1 [Anderson-Cook, Christine M.; Hengartner, Nicolas; Klamann, Richard; Wiedlea, Andrew C. K.; Wilson, Alyson G.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
RP Anderson-Cook, CM (reprint author), Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
EM c-and-cook@lanl.org
OI Wilson, Alyson/0000-0003-1461-6212
NR 31
TC 11
Z9 12
U1 0
U2 1
PU MILITARY OPERATIONS RESEARCH SOC
PI ALEXANDRIA
PA 1703 N BEAUREGARD ST, STE 450, ALEXANDRIA, VA 22311-1717 USA
SN 0275-5823
J9 MIL OPER RES
JI Mil. Oper. Res.
PY 2008
VL 13
IS 3
BP 5
EP 18
PG 14
WC Operations Research & Management Science
SC Operations Research & Management Science
GA 383AX
UT WOS:000261647600001
ER
PT S
AU Datesman, A
Pearson, J
Wang, G
Yefremenko, V
Divan, R
Downes, T
Chang, C
McMahon, J
Meyer, S
Carlstrom, J
Logan, D
Perera, T
Wilson, G
Novosad, V
AF Datesman, Aaron
Pearson, John
Wang, Gensheng
Yefremenko, Volodymyr
Divan, Ralu
Downes, Thomas
Chang, Clarence
McMahon, Jeff
Meyer, Stephan
Carlstrom, John
Logan, Daniel
Perera, Thushara
Wilson, Grant
Novosad, Valentyn
BE Duncan, WD
Holland, WS
Withington, S
Zmuidzinas, J
TI Frequency selective bolometer development at Argonne National Laboratory
SO MILLIMETER AND SUBMILLIMETER DETECTORS AND INSTRUMENTATION FOR ASTONOMY
IV
SE PROCEEDINGS OF THE SOCIETY OF PHOTO-OPTICAL INSTRUMENTATION ENGINEERS
(SPIE)
LA English
DT Proceedings Paper
CT Conference on Millimeter and Submillimeter Detectors and Instrumentation
for Astonomy IV
CY JUN 26-28, 2008
CL Marseille, FRANCE
SP SPIE, SPIE Europe
DE bolometer; low temperature detector; membrane; millimeter-wave;
multispectral; spectral energy distribution; stability; submillimeter
galaxy; superconducting thin film; transition edge sensor
ID ELECTROTHERMAL FEEDBACK; HIGH-REDSHIFT; GALAXIES; READOUT
AB We discuss the development, at Argonne National Laboratory, of a four-pixel camera suitable for photometry of distant dusty galaxies located by Spitzer and SCUBA, and for study of other millimeter-wave sources such as ultra-luminous infrared galaxies, the Sunyaev-Zeldovich (SZ) effect in clusters, and galactic dust. Utilizing Frequency Selective Bolometers (FSBs) with superconducting Transition-Edge Sensors (TESs), each of the camera's four pixels is sensitive to four colors, with frequency bands centered approximately at 150, 220, 270, and 360 GHz.
The current generation of these devices utilizes proximity effect superconducting bilayers of Mo/Au or Ti/Au for TESs, along with frequency selective circuitry on membranes of silicon nitride I cm across and I micron thick. The operational properties of these devices are determined by this circuitry, along with thermal control structures etched into the membranes. These etched structures do not perforate the membrane, so that the device is both comparatively robust mechanically and carefully tailored in terms of its thermal transport properties.
In this paper, we report on development of the superconducting bilayer TES technology and characterization of the FSB stacks. This includes the use of new materials, the design and testing of thermal control structures, the introduction of desirable thermal properties using buried layers of crystalline silicon underneath the membrane, detector stability control, and optical and thermal test results. The scientific motivation, FSB design, FSB fabrication, and measurement results are discussed.
C1 [Datesman, Aaron; Pearson, John; Wang, Gensheng; Yefremenko, Volodymyr; Novosad, Valentyn] Argonne Natl Lab, Div Mat Sci, Argonne, IL 60439 USA.
RP Datesman, A (reprint author), 9700 S Cass Ave, Argonne, IL 60439 USA.
EM datesman@anl.gov
RI Novosad, Valentyn/C-2018-2014; Novosad, V /J-4843-2015
NR 22
TC 0
Z9 0
U1 0
U2 0
PU SPIE-INT SOC OPTICAL ENGINEERING
PI BELLINGHAM
PA 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA
SN 0277-786X
BN 978-0-8194-7230-4
J9 P SOC PHOTO-OPT INS
PY 2008
VL 7020
AR 702029
DI 10.1117/12.790034
PG 13
WC Astronomy & Astrophysics; Instruments & Instrumentation; Optics
SC Astronomy & Astrophysics; Instruments & Instrumentation; Optics
GA BIR58
UT WOS:000262259800059
ER
PT B
AU Peterson, KA
Knudson, RT
Garcia, EJ
Patel, KD
Okandan, M
Ho, CK
James, CD
Rohde, SB
Rohrer, BR
Smith, F
Zawicki, LR
Wroblewski, BD
AF Peterson, K. A.
Knudson, R. T.
Garcia, E. J.
Patel, K. D.
Okandan, M.
Ho, C. K.
James, C. D.
Rohde, S. B.
Rohrer, B. R.
Smith, F.
Zawicki, L. R.
Wroblewski, B. D.
BE Napieralski, A
TI LTCC in microelectronics, microsystems, and sensors
SO MIXDES 2008: PROCEEDINGS OF THE 15TH INTERNATIONAL CONFERENCE ON MIXED
DESIGN OF INTEGRATED CIRCUITS AND SYSTEMS
LA English
DT Proceedings Paper
CT 15th International Conference on Mixed Design of Integrated Circuits and
Systems
CY JUN 19-21, 2008
CL Poznan, POLAND
SP Technol Univ Lodz, Dept Microelect & Comp Sci, Poznan Univ Technol, Chair Comp Engn, Warsaw Univ Technol, Inst Microelect & Optoelect, IEEE Poland Sect, CAS & ED Chapter, Polish Acad Sci, Sect Microelect, Polish Acad Sci, Comm Elect & Telecommun, Sect Signals, Elect Circuits & Syst
DE LTCC; microfluidic; microsystem; packaging; FTTF
ID TEMPERATURE COFIRED CERAMICS; BURIED RESISTORS; MICROSTRUCTURE; SYSTEM
AB Low Temperature Cofired Ceramic (LTCC) is one of the most significant developments in microelectronics, microsystems, and sensors integration. The formerly-flat board technology involves a materials and process suite that lends itself to shaped and stacked 3D packaging and, within the board, enclosed unfilled volumes and unconventional components. The documentation of LTCC microsystem and sensor applications is growing rapidly in the literature. This paper will discuss accomplishments at Sandia in RF, microfluidics, gas handling, microsystems, and sensor applications. Highlighted areas include Radar MCMs, biological microsystems, smart channels, and new sensor geometries including rolled ceramic tubular substrates. Unconventional processing techniques for creating unfilled open volumes such as SVMs, screeding, and use of inserts with and without prior cavity definition will be discussed. New applications, such as the use of magnetic bead capture, incorporated smart channels, microthrusters, micro-NMR devices, radiation detectors, IMS drift tubes, optical microphones and optical switch packaging and improved performance from Full Tape Thickness Features (FTTF) will also be discussed.
C1 [Peterson, K. A.; Knudson, R. T.; Garcia, E. J.; Patel, K. D.; Okandan, M.; Ho, C. K.; James, C. D.; Rohde, S. B.; Rohrer, B. R.; Wroblewski, B. D.] Sandia Labs, Albuquerque, NM USA.
RP Peterson, KA (reprint author), Sandia Labs, Albuquerque, NM USA.
RI Patel, Kamlesh/A-9728-2009; Napieralski, Andrzej/M-1621-2016
OI Napieralski, Andrzej/0000-0002-3844-3435
NR 46
TC 6
Z9 7
U1 0
U2 4
PU TECHNICAL UNIV LODZ
PI LODZ
PA DEPT MICROELECTRONICS & COMPUTER SCIENCE, AL POLITECHNIKI 11, LODZ,
90-924, POLAND
BN 978-83-922632-7-2
PY 2008
BP 23
EP 37
PG 15
WC Engineering, Electrical & Electronic; Optics
SC Engineering; Optics
GA BIF55
UT WOS:000259117200002
ER
PT B
AU Wang, LS
To, DL
Cai, JF
AF Wang, Lihshing
To, Duc-Le
Cai, Jinfa
BE Li, G
Wang, L
TI Interdisciplinary Research in the Era of Globalization PREFACE
SO MODEL MINORITY MYTH REVISITED: AN INTERDISCIPLINARY APPROACH TO
DEMYSTIFYING ASIAN AMERICAN EDUCATIONAL EXPERIENCES
SE Chinese American Educational Research and Development Association Book
Series
LA English
DT Editorial Material; Book Chapter
C1 [Wang, Lihshing] Univ Cincinnati, Div Educ Studies & Leadership, Cincinnati, OH 45221 USA.
[Cai, Jinfa] Univ Delaware, Newark, DE 19716 USA.
[To, Duc-Le] US DOE, Inst Sci Educ, Washington, DC 20585 USA.
US DOE, OERI, Washington, DC 20585 USA.
RP Wang, LS (reprint author), Univ Calif Los Angeles, Los Angeles, CA 90095 USA.
NR 2
TC 0
Z9 0
U1 0
U2 0
PU INFORMATION AGE PUBLISHING-IAP
PI CHARLOTTE
PA PO BOX 79049, CHARLOTTE, NC 28271-7047 USA
BN 978-1-59311-950-8
J9 CHIN AM EDUC RES DEV
PY 2008
BP XIII
EP XV
PG 3
WC Education & Educational Research; Ethnic Studies
SC Education & Educational Research; Ethnic Studies
GA BKF71
UT WOS:000267987800001
ER
PT B
AU Wang, LS
To, DL
AF Wang, Lihshing
To, Duc-Le
BE Li, G
Wang, L
TI METHODOLOGICAL CONFOUNDING IN CROSS-CULTURAL RESEARCH Issues of
Instrumentation and Analysis in Demystifying the Asian Success Formula
SO MODEL MINORITY MYTH REVISITED: AN INTERDISCIPLINARY APPROACH TO
DEMYSTIFYING ASIAN AMERICAN EDUCATIONAL EXPERIENCES
SE Chinese American Educational Research and Development Association Book
Series
LA English
DT Article; Book Chapter
ID DEMAND CHARACTERISTICS; LIKERT SCALES; ACHIEVEMENT
C1 [Wang, Lihshing] Univ Cincinnati, Div Educ Studies & Leadership, Cincinnati, OH 45221 USA.
[Wang, Lihshing] Ctr Appl Linguist, Washington, DC USA.
[Wang, Lihshing] Amer Inst Res, Palo Alto, CA USA.
[Wang, Lihshing] Natl Chung Cheng Univ, Taipei, Taiwan.
[Wang, Lihshing] Amer Educ Res Assoc, Washington, DC USA.
[To, Duc-Le] US DOE, Inst Sci Educ, Washington, DC 20585 USA.
[To, Duc-Le] US DOE, OERI, Washington, DC 20585 USA.
[To, Duc-Le] Univ Penn, CPRE, Philadelphia, PA 19104 USA.
[To, Duc-Le] Univ Washington, Teacher Compensat Project, Ctr Study Teaching & Policy CTP, Seattle, WA 98195 USA.
[To, Duc-Le] Natl Acad Sci, Natl Study Educ Finance Equ & Prod, Washington, DC USA.
[To, Duc-Le] RAND Corp, Study Costs Class Size Reduct, Santa Monica, CA 90406 USA.
RP Wang, LS (reprint author), Univ Calif Los Angeles, Los Angeles, CA 90095 USA.
NR 26
TC 1
Z9 1
U1 0
U2 0
PU INFORMATION AGE PUBLISHING-IAP
PI CHARLOTTE
PA PO BOX 79049, CHARLOTTE, NC 28271-7047 USA
BN 978-1-59311-950-8
J9 CHIN AM EDUC RES DEV
PY 2008
BP 289
EP 296
PG 8
WC Education & Educational Research; Ethnic Studies
SC Education & Educational Research; Ethnic Studies
GA BKF71
UT WOS:000267987800016
ER
PT B
AU To, DL
AF To, Duc-Le
BE Li, G
Wang, L
TI METHODOLOGICAL ISSUES IN MODEL MINORITY RESEARCH Where Do We Go from
Here?
SO MODEL MINORITY MYTH REVISITED: AN INTERDISCIPLINARY APPROACH TO
DEMYSTIFYING ASIAN AMERICAN EDUCATIONAL EXPERIENCES
SE Chinese American Educational Research and Development Association Book
Series
LA English
DT Article; Book Chapter
ID AMERICAN-COLLEGE STUDENTS; ASIAN-AMERICAN; ACADEMIC-ACHIEVEMENT;
ETHNIC-DIFFERENCES; WHITE AMERICANS; HIGH-SCHOOL; STEREOTYPES;
ADOLESCENTS; DEPRESSION; PREDICTORS
C1 [To, Duc-Le] US DOE, Inst Sci Educ, Washington, DC 20585 USA.
[To, Duc-Le] US DOE, OERI, Washington, DC 20585 USA.
[To, Duc-Le] Univ Penn, CPRE, Philadelphia, PA 19104 USA.
[To, Duc-Le] Univ Washington, Teacher Compensat Project, Ctr Study Teaching & Policy CTP, Seattle, WA 98195 USA.
[To, Duc-Le] Natl Acad Sci, Natl Study Finance Equ & Prod, Washington, DC USA.
[To, Duc-Le] RAND Corp, Study Costs Class Size Reduct, Santa Monica, CA 90406 USA.
RP To, DL (reprint author), US DOE, Inst Sci Educ, Washington, DC 20585 USA.
NR 35
TC 0
Z9 0
U1 0
U2 0
PU INFORMATION AGE PUBLISHING-IAP
PI CHARLOTTE
PA PO BOX 79049, CHARLOTTE, NC 28271-7047 USA
BN 978-1-59311-950-8
J9 CHIN AM EDUC RES DEV
PY 2008
BP 299
EP 313
PG 15
WC Education & Educational Research; Ethnic Studies
SC Education & Educational Research; Ethnic Studies
GA BKF71
UT WOS:000267987800017
ER
PT S
AU Liese, EA
Ferrari, ML
VanOsdol, J
Tucker, D
Gemmen, RS
AF Liese, Eric A.
Ferrari, Mario Luigi
VanOsdol, John
Tucker, David
Gemmen, Randall S.
BE Bove, R
Ubertini, S
TI Modeling of Combined SOFC and Turbine Power Systems
SO MODELING SOLID OXIDE FUEL CELLS: METHODS, PROCEDURES AND TECHNIQUES
SE Fuel Cells and Hydrogen Energy
LA English
DT Article; Book Chapter
C1 [Liese, Eric A.; VanOsdol, John; Tucker, David; Gemmen, Randall S.] US DOE, Natl Energy Technol Lab, Morgantown, WV 26507 USA.
[Ferrari, Mario Luigi] Univ Genoa, DiMSET Thermochem Power Grp, I-16145 Genoa, Italy.
RP Liese, EA (reprint author), US DOE, Natl Energy Technol Lab, POB 880, Morgantown, WV 26507 USA.
NR 21
TC 3
Z9 3
U1 0
U2 1
PU SPRINGER
PI DORDRECHT
PA PO BOX 17, 3300 AA DORDRECHT, NETHERLANDS
SN 1931-5058
BN 978-1-4020-6994-9
J9 FUEL CELL HYDRO ENER
PY 2008
VL 1
BP 239
EP 268
DI 10.1007/978-1-4020-6995-6_8
D2 10.1007/978-1-4020-6995-6
PG 30
WC Electrochemistry; Energy & Fuels; Materials Science, Ceramics; Materials
Science, Multidisciplinary
SC Electrochemistry; Energy & Fuels; Materials Science
GA BKL01
UT WOS:000268399000008
ER
PT S
AU Gemmen, RS
AF Gemmen, Randall S.
BE Bove, R
Ubertini, S
TI Dynamic Modeling of Fuel Cells
SO MODELING SOLID OXIDE FUEL CELLS: METHODS, PROCEDURES AND TECHNIQUES
SE Fuel Cells and Hydrogen Energy
LA English
DT Article; Book Chapter
ID RADIATION HEAT-TRANSFER; PLANAR SOFC; LOAD; PERFORMANCE; SIMULATION;
IMPEDANCE; TRANSPORT; CATHODES; BEHAVIOR; ANODE
C1 US DOE, Natl Energy Technol Lab, Morgantown, WV 26507 USA.
RP Gemmen, RS (reprint author), US DOE, Natl Energy Technol Lab, POB 880, Morgantown, WV 26507 USA.
NR 34
TC 2
Z9 2
U1 0
U2 0
PU SPRINGER
PI DORDRECHT
PA PO BOX 17, 3300 AA DORDRECHT, NETHERLANDS
SN 1931-5058
BN 978-1-4020-6994-9
J9 FUEL CELL HYDRO ENER
PY 2008
VL 1
BP 269
EP 322
DI 10.1007/978-1-4020-6995-6_9
D2 10.1007/978-1-4020-6995-6
PG 54
WC Electrochemistry; Energy & Fuels; Materials Science, Ceramics; Materials
Science, Multidisciplinary
SC Electrochemistry; Energy & Fuels; Materials Science
GA BKL01
UT WOS:000268399000009
ER
PT J
AU Gullett, PM
Horstemeyer, MF
Baskes, MI
Fang, H
AF Gullett, P. M.
Horstemeyer, M. F.
Baskes, M. I.
Fang, H.
TI A deformation gradient tensor and strain tensors for atomistic
simulations
SO MODELLING AND SIMULATION IN MATERIALS SCIENCE AND ENGINEERING
LA English
DT Article
ID EMBEDDED-ATOM METHOD; MOLECULAR-DYNAMICS; DEFECTS; SOLIDS; METALS
AB A kinematical algorithm is proposed for the construction of strain tensors from atomistic simulation data. Local strain tensors such as the Almansi and Green strain tensors suitable for use in large deformation molecular dynamics/statics simulations are computed directly from a discrete form of the deformation gradient. The discrete, incremental form of the deformation gradient emerges from a weighted least squares minimization that includes a length scale relating the distance from the atom in question with a particular radius. This region defines the nonlocal domain of the strain at that atom. The local atomic strain tensors are then computed using continuum definitions in terms of the deformation gradient. The results of molecular dynamics simulations are presented that compare the Almansi and Green strain tensors under inhomogeneous deformation and indicate that the small-strain approximation should not be used to determine large atomic strains.
C1 [Gullett, P. M.; Horstemeyer, M. F.] Mississippi State Univ, Ctr Adv Vehicular Syst, Mississippi State, MS 39762 USA.
[Baskes, M. I.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
[Fang, H.] Univ N Carolina, Charlotte, NC 28223 USA.
RP Gullett, PM (reprint author), Mississippi State Univ, Ctr Adv Vehicular Syst, Mississippi State, MS 39762 USA.
EM pmgullett@cee.msstate.edu
OI Horstemeyer, Mark/0000-0003-4230-0063
NR 17
TC 27
Z9 28
U1 1
U2 18
PU IOP PUBLISHING LTD
PI BRISTOL
PA DIRAC HOUSE, TEMPLE BACK, BRISTOL BS1 6BE, ENGLAND
SN 0965-0393
J9 MODEL SIMUL MATER SC
JI Model. Simul. Mater. Sci. Eng.
PD JAN
PY 2008
VL 16
IS 1
AR 015001
DI 10.1088/0965-0393/16/1/015001
PG 17
WC Materials Science, Multidisciplinary; Physics, Applied
SC Materials Science; Physics
GA 263DI
UT WOS:000253197400001
ER
PT J
AU Tonks, M
Harstad, E
Maudlin, P
Trujillo, C
AF Tonks, Michael
Harstad, Eric
Maudlin, Paul
Trujillo, Carl
TI A design of inverse Taylor projectiles using material simulation
SO MODELLING AND SIMULATION IN MATERIALS SCIENCE AND ENGINEERING
LA English
DT Article
ID CYLINDER-IMPACT TEST; MODEL PARAMETERS; DEFORMATION; VALIDATION;
CONSTANTS; METALS
AB The classic Taylor cylinder test, in which a right circular cylinder is projected at a rigid anvil, exploits the inertia of the projectile to access strain rates that are difficult to achieve with more traditional uniaxial testing methods. In this work we present our efforts to design inverse Taylor projectiles, in which a tapered projectile becomes a right circular cylinder after impact, from annealed copper and show that the self-correcting geometry leads to a uniform compressive strain in the radial direction. We design projectiles using finite element simulation and optimization that deform as desired in tests with minor deviations in the deformed geometry due to manufacturing error and uncertainty in the initial velocity. The inverse Taylor projectiles designed in this manner provide a simple means of validating constitutive models. This work is a step towards developing a general method of designing Taylor projectiles that provide stress strain behavior relevant to particular engineering problems.
C1 [Tonks, Michael; Harstad, Eric; Maudlin, Paul; Trujillo, Carl] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
RP Tonks, M (reprint author), Los Alamos Natl Lab, POB 1663, Los Alamos, NM 87545 USA.
EM tonksmr@lanl.gov
NR 18
TC 0
Z9 0
U1 1
U2 4
PU IOP PUBLISHING LTD
PI BRISTOL
PA DIRAC HOUSE, TEMPLE BACK, BRISTOL BS1 6BE, ENGLAND
SN 0965-0393
J9 MODEL SIMUL MATER SC
JI Model. Simul. Mater. Sci. Eng.
PD JAN
PY 2008
VL 16
IS 1
AR 015005
DI 10.1088/0965-0393/16/1/015005
PG 10
WC Materials Science, Multidisciplinary; Physics, Applied
SC Materials Science; Physics
GA 263DI
UT WOS:000253197400005
ER
PT S
AU Marinkovic, NS
Vukmirovic, MB
Adzic, RR
AF Marinkovic, N. S.
Vukmirovic, M. B.
Adzic, R. R.
BE Vayenas, CG
White, RE
GamboaAldeco, ME
TI Some Recent Studies in Ruthenium Electrochemistry and Electrocatalysis
SO MODERN ASPECTS OF ELECTROCHEMISTRY, NO 42
SE Modern Aspects of Electrochemistry
LA English
DT Article; Book Chapter
ID SCANNING-TUNNELING-MICROSCOPY; SINGLE-CRYSTAL SURFACES; IN-SITU FTIR;
VIBRATIONAL FREQUENCY-SHIFTS; RU(0001) ELECTRODE SURFACE; CO OXIDATION
REACTION; GAS-PHASE OXIDATION; X-RAY-ABSORPTION; PT(111) ELECTRODE;
CARBON-MONOXIDE
C1 [Marinkovic, N. S.; Vukmirovic, M. B.; Adzic, R. R.] Brookhaven Natl Lab, Dept Chem, Upton, NY 11973 USA.
RP Marinkovic, NS (reprint author), Univ Delaware, Dept Chem Engn, Newark, DE 19716 USA.
NR 123
TC 4
Z9 4
U1 2
U2 5
PU SPRINGER
PI NEW YORK
PA 233 SPRING STREET, NEW YORK, NY 10013, UNITED STATES
SN 0076-9924
BN 978-0-387-49488-3
J9 MOD ASP ELECTROCHEM
PY 2008
IS 42
BP 1
EP 52
D2 10.1007/978-0-387-49489-0
PG 52
WC Electrochemistry
SC Electrochemistry
GA BKA63
UT WOS:000267605600001
ER
PT J
AU Williamson, RA
Panagiotidou, P
Mott, JD
Howard, MJ
AF Williamson, Richard A.
Panagiotidou, Parthena
Mott, Joni D.
Howard, Mark J.
TI Dynamic characterisation of the netrin-like domain of human type 1
procollagen C-proteinase enhancer and comparison to the N-terminal
domain of tissue inhibitor of metalloproteinases (TIMP)
SO MOLECULAR BIOSYSTEMS
LA English
DT Article
ID N-15 NMR RELAXATION; BIOLOGICAL MACROMOLECULES; RESOLUTION STRUCTURE;
BINDING DOMAIN; ACTIVE DOMAIN; INDUCED FIT; GLYCOPROTEIN; SPECTROSCOPY;
MECHANISM; SEQUENCE
AB The backbone mobility of the C-terminal domain of procollagen C-proteinase enhancer (NTRPCOLCE1), part of a connective tissue glycoprotein, was determined using N-15 NMR spectroscopy. NTRPCOLCE1 has been shown to be a netrin-like domain and adopts an OB-fold such as that found in the N-terminal domain of tissue inhibitors of metalloproteinases-1 (N-TIMP-1), N-TIMP-2, the laminin-binding domain of agrin and the C-terminal domain of complement protein C5. NMR relaxation dynamics of NTRPCOLCE1 highlight conformational flexibility in the N-terminus, strand A and the proximal CD loop. This region in N-TIMP is known to be essential for inhibitory activity against the matrix metalloproteinases and suggests that this region is of equal importance for NTRPCOLCE1, although the specific functional activity of the NTRPCOLCE1 domain is still unknown. Dynamics observed within the structural core of NTRPCOLCE1 that are not observed in N-TIMP molecules suggest that although the two domains have a similar architecture, the NTRPCOLCE1 domain will show different thermodynamic properties on binding and hence the target molecule could be somewhat different from that observed for the TIMPs. ModelFree order parameters show that NTRPCOLCE1 has more flexibility than both N-TIMP-1 and N-TIMP-2.
C1 [Williamson, Richard A.; Panagiotidou, Parthena; Howard, Mark J.] Univ Kent, Dept Biosci, Canterbury CT2 7NJ, Kent, England.
[Mott, Joni D.] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
RP Williamson, RA (reprint author), Univ Kent, Dept Biosci, Canterbury CT2 7NJ, Kent, England.
EM r.a.williamson@kent.ac.uk; m.j.howard@kent.ac.uk
FU NCI NIH HHS [CA88858A]; Wellcome Trust
NR 39
TC 8
Z9 8
U1 0
U2 1
PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 1742-206X
J9 MOL BIOSYST
JI Mol. Biosyst.
PY 2008
VL 4
IS 5
BP 417
EP 425
DI 10.1039/b717901d
PG 9
WC Biochemistry & Molecular Biology
SC Biochemistry & Molecular Biology
GA 288PR
UT WOS:000254998800007
PM 18414739
ER
PT J
AU Betanzos-Cabrera, G
Harker, BW
Doktycz, MJ
Weber, JL
Beattie, KL
AF Betanzos-Cabrera, Gabriel
Harker, Brent W.
Doktycz, Mitchel J.
Weber, James L.
Beattie, Kenneth L.
TI A comparison of hybridization efficiency between flat glass and channel
glass solid supports
SO MOLECULAR BIOTECHNOLOGY
LA English
DT Article
DE channel glass; flat glass; oligonucleotide arrays; capture probes;
hybridization; sensitivity
ID THERMODYNAMIC PARAMETERS; MICROARRAY HYBRIDIZATION; MICROFLUIDIC DEVICE;
DNA; OLIGONUCLEOTIDES; POLYMORPHISMS; ATTACHMENT; MISMATCHES; ARRAYS;
ASSAYS
AB Two different solid supports, channel glass and flat glass, were compared for their affect on the sensitivity and efficiency of DNA hybridization reactions. Both solid supports were tested using a set of arrayed, synthetic oligonucleotides that are designed to detect short insertion/deletion polymorphisms (SIDPs). A total of 13 different human SIDPs were chosen for analysis. Capture probes, designed for this test set, were covalently immobilized on substrates. Hybridization efficiency was assessed using fluorescently labeled stacking probes which were preannealed to the target and then hybridized to the support-bound oligonucleotide array; the hybridization pattern was detected by fluorescence imaging. It was found that structural features of nucleic acid capture probes tethered to a solid support and the molecular basis of their interaction with targets in solution have direct implications on the hybridization process. Our results demonstrate that channel glass has a number of practical advantages over flat glass including higher sensitivity and a faster hybridization rate.
C1 [Betanzos-Cabrera, Gabriel] Univ Autonoma Estado Hidalgo, Inst Ciencias Salud, Area Acad Nutr, Hidalgo 42000, Mexico.
[Harker, Brent W.] Univ Notre Dame, Ctr Global Hlth & Infect Dis, Dept Biol Sci, Notre Dame, IN 46556 USA.
[Doktycz, Mitchel J.; Beattie, Kenneth L.] Oak Ridge Natl Lab, Biosci Div, Oak Ridge, TN 37831 USA.
[Weber, James L.] Marshfield Med Res, Ctr Genet Med, Marsfield, WI USA.
RP Betanzos-Cabrera, G (reprint author), Univ Autonoma Estado Hidalgo, Inst Ciencias Salud, Area Acad Nutr, Abasolo 600 Pachuca Soto, Hidalgo 42000, Mexico.
EM gbetanzo@uaeh.reduaeh.mx
RI Doktycz, Mitchel/A-7499-2011
OI Doktycz, Mitchel/0000-0003-4856-8343
FU NHLBI NIH HHS [R01 HL62681-01]
NR 38
TC 1
Z9 1
U1 0
U2 2
PU HUMANA PRESS INC
PI TOTOWA
PA 999 RIVERVIEW DRIVE SUITE 208, TOTOWA, NJ 07512 USA
SN 1073-6085
J9 MOL BIOTECHNOL
JI Mol. Biotechnol.
PD JAN
PY 2008
VL 38
IS 1
BP 71
EP 80
DI 10.1007/s12033-007-9001-z
PG 10
WC Biochemistry & Molecular Biology; Biotechnology & Applied Microbiology
SC Biochemistry & Molecular Biology; Biotechnology & Applied Microbiology
GA 243KV
UT WOS:000251796300007
PM 18095192
ER
PT J
AU Greulich-Bode, KM
Wang, M
Rhein, AP
Weier, JF
Weier, HUG
AF Greulich-Bode, Karin M.
Wang, Mei
Rhein, Andreas P.
Weier, Jingly F.
Weier, Heinz-Ulli G.
TI Validation of DNA probes for molecular cytogenetics by mapping onto
immobilized circular DNA
SO MOLECULAR CYTOGENETICS
LA English
DT Article
AB Background: Fluorescence in situ hybridization (FISH) is a sensitive and rapid procedure to detect gene rearrangements in tumor cells using non-isotopically labeled DNA probes. Large insert recombinant DNA clones such as bacterial artificial chromosome (BAC) or P1/PAC clones have established themselves in recent years as preferred starting material for probe preparations due to their low rates of chimerism and ease of use. However, when developing probes for the quantitative analysis of rearrangements involving genomic intervals of less than 100 kb, careful probe selection and characterization are of paramount importance.
Results: We describe a sensitive approach to quality control probe clones suspected of carrying deletions or for measuring clone overlap with near kilobase resolution. The method takes advantage of the fact that P1/PAC/BAC's can be isolated as circular DNA molecules, stretched out on glass slides and fine-mapped by multicolor hybridization with smaller probe molecules. Two examples demonstrate the application of this technique: mapping of a gene-specific similar to 6 kb plasmid onto an unusually small, similar to 55 kb circular P1 molecule and the determination of the extent of overlap between P1 molecules homologous to the human NF-kappa B2 locus.
Conclusion: The relatively simple method presented here does not require specialized equipment and may thus find widespread applications in DNA probe preparation and characterization, the assembly of physical maps for model organisms or in studies on gene rearrangements.
C1 [Greulich-Bode, Karin M.] German Canc Res Ctr, Div Genet Skin Carcinogenesis, Heidelberg, Germany.
[Greulich-Bode, Karin M.; Wang, Mei; Rhein, Andreas P.; Weier, Jingly F.; Weier, Heinz-Ulli G.] Univ Calif Berkeley, EO Lawrence Berkeley Natl Lab, Life Sci Div, Berkeley, CA 94720 USA.
[Weier, Jingly F.] Reprogenet LLC, San Francisco, CA USA.
[Rhein, Andreas P.] Klinikum Kaufbeuren, D-87600 Kaufbeuren, Germany.
RP Greulich-Bode, KM (reprint author), German Canc Res Ctr, Div Genet Skin Carcinogenesis, Heidelberg, Germany.
EM k.greulich@dkfz-heidelberg.de; mwang@lbl.gov;
Andreas.Rhein@klinikum-kf-oal.de; jinglyw@gmail.com; ugweier@lbl.gov
FU United States Government; NIH [CA88258, HD44313, CA123370]; Office of
Energy Research, Office of Health and Environmental Research, U.S.
Department of Energy [DE-AC-02-05CH11231]; Tumorzentrum
Heidelberg-Mannheim; BMBF UV-Strahlenschaden
FX This document was prepared as an account of work sponsored by the United
States Government. While this document is believed to contain correct
information, neither the United States Government nor any agency
thereof, nor The Regents of the University of California, nor any of
their employees, makes any warranty, express or implied, or assumes any
legal responsibility for the accuracy, completeness, or usefulness of
any information, apparatus, product, or process disclosed, or represents
that its use would not infringe privately owned rights. Reference herein
to any specific commercial product, process, or service by its trade
name, trademark, manufacturer, or otherwise, does not necessarily
constitute or imply its endorsement, recommendation, or favoring by the
United States Government or any agency thereof, or The Regents of the
University of California. The views and opinions of authors expressed
herein do not necessarily state or reflect those of the United States
Government or any agency thereof or The Regents of the University of
California.; This work was supported in part by NIH grants CA88258,
HD44313 and CA123370 ( to HUGW), and a grant from the Director, Office
of Energy Research, Office of Health and Environmental Research, U.S.
Department of Energy, under contract DE-AC-02-05CH11231 as well as the
Tumorzentrum Heidelberg-Mannheim and the BMBF UV-Strahlenschaden. The
authors greatfully acknowledge the help of Drs. J.-F. Cheng and D.
Krunic with screening the P1 library and digital image processing,
respectively.
NR 41
TC 4
Z9 4
U1 1
U2 1
PU BIOMED CENTRAL LTD
PI LONDON
PA 236 GRAYS INN RD, FLOOR 6, LONDON WC1X 8HL, ENGLAND
SN 1755-8166
J9 MOL CYTOGENET
JI Mol. Cytogenet.
PY 2008
VL 1
AR 28
DI 10.1186/1755-8166-1-28
PG 11
WC Genetics & Heredity
SC Genetics & Heredity
GA V25EH
UT WOS:000208460800028
PM 19108707
ER
PT J
AU Hill, CE
Tomko, S
Hagen, C
Schable, NA
Glenn, TC
AF Hill, Christopher E.
Tomko, Scott
Hagen, Cris
Schable, Nancy A.
Glenn, Travis C.
TI Novel microsatellite markers for the saltmarsh sharp-tailed sparrow,
Ammodramus caudacutus (Aves : Passeriformes)
SO MOLECULAR ECOLOGY RESOURCES
LA English
DT Article
DE Ammodramus; birds; Emberizidae; microsatellites; PCR primers; SSR
ID PATERNITY
AB We have developed eight high-quality microsatellite DNA loci for the saltmarsh sharp-tailed sparrow and one additional locus with evidence of null alleles. In a sample of 250-350 individuals, the average number of alleles per locus was 14.7 and average observed heterozygosity was 0.80. These loci were tested in three additional species of emberizid sparrows, indicating that more than half of the loci could be useful in other sparrows.
C1 [Hill, Christopher E.; Tomko, Scott] Coastal Carolina Univ, Dept Biol, Conway, SC 29528 USA.
[Hagen, Cris; Schable, Nancy A.; Glenn, Travis C.] Univ Georgia, Savannah River Ecol Lab, Aiken, SC 29802 USA.
RP Hill, CE (reprint author), Coastal Carolina Univ, Dept Biol, POB 261958, Conway, SC 29528 USA.
EM chill@coastal.edu
RI Glenn, Travis/A-2390-2008
NR 10
TC 7
Z9 7
U1 0
U2 12
PU BLACKWELL PUBLISHING
PI OXFORD
PA 9600 GARSINGTON RD, OXFORD OX4 2DQ, OXON, ENGLAND
SN 1471-8278
J9 MOL ECOL RESOUR
JI Mol. Ecol. Resour.
PD JAN
PY 2008
VL 8
IS 1
BP 113
EP 115
DI 10.1111/j.1471-8286.2007.01885.x
PG 3
WC Biochemistry & Molecular Biology; Ecology; Evolutionary Biology
SC Biochemistry & Molecular Biology; Environmental Sciences & Ecology;
Evolutionary Biology
GA 271ZL
UT WOS:000253827100019
PM 21585730
ER
PT J
AU Peters, MB
Hagen, C
Trapnell, DW
Hamrick, JL
Rocha, O
Smouse, PE
Glenn, TC
AF Peters, Maureen B.
Hagen, Cris
Trapnell, Dorset W.
Hamrick, J. L.
Rocha, Oscar
Smouse, Peter E.
Glenn, Travis C.
TI Isolation and characterization of microsatellite loci in the Guanacaste
tree, Enterolobium cyclocarpum
SO MOLECULAR ECOLOGY RESOURCES
LA English
DT Article
DE Enterolobium cyclocarpum; Guanacaste tree; microsatellites; parentage
analysis; PCR; pollen dispersal; population structure
AB We isolated nine microsatellite loci from the Guanacaste tree (Enterolobium cyclocarpum) and optimized them for future research on breeding populations of this species. Loci were screened across 53 individuals from one population and were shown to be variable with the number of alleles per locus ranging from five to 15. Polymorphic information content ranged from 0.420 to 0.900 and observed heterozygosity ranged from 0.547 to 0.906.
C1 [Peters, Maureen B.; Hagen, Cris; Glenn, Travis C.] Univ Georgia, Savannah River Ecol Lab, Aiken, SC 29802 USA.
[Trapnell, Dorset W.] Univ Georgia, Inst Ecol, Athens, GA 30602 USA.
[Hamrick, J. L.] Univ Georgia, Dept Plant Biol, Athens, GA 30602 USA.
[Smouse, Peter E.] Kent State Univ, Dept Biol Sci, Kent, OH 44242 USA.
[Smouse, Peter E.] Rutgers State Univ, New Brunswick, NJ 08901 USA.
RP Peters, MB (reprint author), Univ Georgia, Savannah River Ecol Lab, PO Drawer E, Aiken, SC 29802 USA.
EM peters@srel.edu
RI Glenn, Travis/A-2390-2008;
OI Trapnell, Dorset/0000-0001-7184-4700
NR 7
TC 5
Z9 5
U1 0
U2 3
PU BLACKWELL PUBLISHING
PI OXFORD
PA 9600 GARSINGTON RD, OXFORD OX4 2DQ, OXON, ENGLAND
SN 1471-8278
J9 MOL ECOL RESOUR
JI Mol. Ecol. Resour.
PD JAN
PY 2008
VL 8
IS 1
BP 129
EP 131
DI 10.1111/j.1471-8286.2007.01896.x
PG 3
WC Biochemistry & Molecular Biology; Ecology; Evolutionary Biology
SC Biochemistry & Molecular Biology; Environmental Sciences & Ecology;
Evolutionary Biology
GA 271ZL
UT WOS:000253827100024
PM 21585735
ER
PT J
AU Peters, MB
Beard, KH
Hagen, C
O'Neill, EM
Mock, KE
Pitt, WC
Glenn, TC
AF Peters, Maureen B.
Beard, Karen H.
Hagen, Cris
O'Neill, Eric M.
Mock, Karen E.
Pitt, William C.
Glenn, Travis C.
TI Isolation of microsatellite loci from the coqui frog, Eleutherodactylus
coqui
SO MOLECULAR ECOLOGY RESOURCES
LA English
DT Article
DE amphibian; conservation genetics; invasive species; population
structure; primer; Puerto Rico
ID DNA LOCI; HAWAII
AB Thirteen microsatellite loci were isolated from the coqui frog (Eleutherodactylus coqui) and optimized for future research. The loci were screened across 37 individuals from two Puerto Rican populations. Loci were variable with the number of alleles per locus ranging from three to 38. Polymorphic information content ranged from 0.453 to 0.963 and observed heterozygosity for each population ranged from 0.320 to 0.920.
C1 [Peters, Maureen B.; Hagen, Cris; Glenn, Travis C.] Univ Georgia, Savannah River Ecol Lab, Aiken, SC 29802 USA.
[Beard, Karen H.; Mock, Karen E.] Utah State Univ, Dept Wildland Resources & Ecol Ctr, Logan, UT 84322 USA.
[O'Neill, Eric M.] Utah State Univ, Dept Biol, Logan, UT 84322 USA.
[Pitt, William C.] USDA, APHIS, WS, Natl Wildlife Res Ctr, Hilo Field Stn, HI 96721 USA.
RP Peters, MB (reprint author), Univ Georgia, Savannah River Ecol Lab, PO Drawer E, Aiken, SC 29802 USA.
EM peters@srel.edu
RI Mock , Karen/C-1418-2011; Glenn, Travis/A-2390-2008; Beard,
Karen/B-7177-2011
NR 13
TC 3
Z9 3
U1 1
U2 6
PU BLACKWELL PUBLISHING
PI OXFORD
PA 9600 GARSINGTON RD, OXFORD OX4 2DQ, OXON, ENGLAND
SN 1471-8278
J9 MOL ECOL RESOUR
JI Mol. Ecol. Resour.
PD JAN
PY 2008
VL 8
IS 1
BP 139
EP 141
DI 10.1111/j.1471-8286.2007.01899.x
PG 3
WC Biochemistry & Molecular Biology; Ecology; Evolutionary Biology
SC Biochemistry & Molecular Biology; Environmental Sciences & Ecology;
Evolutionary Biology
GA 271ZL
UT WOS:000253827100027
PM 21585738
ER
PT J
AU Lutz-Carrillo, DJ
Hagen, C
Dueck, LA
Glenn, TC
AF Lutz-Carrillo, Dijar J.
Hagen, Cris
Dueck, Lucy A.
Glenn, Travis C.
TI Isolation and characterization of microsatellite loci for Florida
largemouth bass, Micropterus salmoides floridanus, and other
micropterids
SO MOLECULAR ECOLOGY RESOURCES
LA English
DT Article
DE centrarchidae; Florida largemouth bass; micropterids; Micropterus;
microsatellites; simple sequence repeats
ID SOFTWARE; DNA
AB We isolated and characterized 52 novel microsatellite markers from Florida largemouth bass, Micropterus salmoides floridanus, for use in conservation, management and population genetic studies. Markers were assessed in M. s. floridanus from peninsular Florida (n = 30) and averaged eight alleles per locus with observed heterozygosity of 0.57 (range 0-0.97). Cross-taxa amplification was successful among 88% of tested congeners. These polymorphic and potentially taxon-diagnostic markers contribute to the limited number of microsatellites currently available for micropterids and specifically M. s. floridanus.
C1 [Lutz-Carrillo, Dijar J.] Texas Parks & Wildlife Dept, AE Wood Lab, San Marcos, TX 78666 USA.
[Hagen, Cris; Dueck, Lucy A.; Glenn, Travis C.] Univ Georgia, Savannah River Ecol Lab, Aiken, SC 29802 USA.
RP Lutz-Carrillo, DJ (reprint author), Texas Parks & Wildlife Dept, AE Wood Lab, 507 Staples Rd, San Marcos, TX 78666 USA.
EM dijar.lutz-carrillo@tpwd.state.tx.us
RI Glenn, Travis/A-2390-2008
NR 9
TC 11
Z9 12
U1 1
U2 8
PU WILEY-BLACKWELL
PI MALDEN
PA COMMERCE PLACE, 350 MAIN ST, MALDEN 02148, MA USA
SN 1755-098X
J9 MOL ECOL RESOUR
JI Mol. Ecol. Resour.
PD JAN
PY 2008
VL 8
IS 1
BP 178
EP 184
DI 10.1111/j.1471-8286.2007.01917.x
PG 7
WC Biochemistry & Molecular Biology; Ecology; Evolutionary Biology
SC Biochemistry & Molecular Biology; Environmental Sciences & Ecology;
Evolutionary Biology
GA 271ZL
UT WOS:000253827100039
PM 21585750
ER
PT J
AU Crawford, NG
Zaldivar-Rae, J
Hagen, C
Schable, A
Rosenblum, EB
Graves, JA
Reeder, TW
Ritchie, MG
Glenn, TC
AF Crawford, Nicholas G.
Zaldivar-Rae, Jaime
Hagen, Cris
Schable, Amanda
Rosenblum, Erica Bree
Graves, Jeff A.
Reeder, Tod W.
Ritchie, Michael G.
Glenn, Travis C.
TI Thirteen polymorphic microsatellite DNA loci from whiptails of the genus
Aspidoscelis (Teiidae : Squamata) and related cnemidophorine lizards
SO MOLECULAR ECOLOGY RESOURCES
LA English
DT Article
DE Ameiva; Aspidoscelis; Cnemidophorus; lizard; microsatellite; PCR
primers; SSR; STR; teiid; whiptail
ID TESSELATA; SELECTION; EVOLUTION; PRIMERS; MEXICO
AB We describe polymerase chain reaction primers and amplification conditions for 13 microsatellite DNA loci isolated from two bisexual species of whiptail lizards Aspidoscelis costata huico and Aspidoscelis inornata. Primers were tested on either 16 or 48 individuals of A. c. huico and/or 26 individuals of A. inornata. Ten of the 13 primers were also tested against a panel of 31 additional whiptail taxa. We detected three to nine alleles per locus in A. c. huico and four to 19 alleles per locus in A. inornata, with observed heterozygosity ranging from 0.60 to 0.87 and from 0.15 to 1.00, respectively. These primers will be an important resource for surveys of genetic variation in these lizards.
C1 [Crawford, Nicholas G.; Reeder, Tod W.] San Diego State Univ, Dept Biol, San Diego, CA 92182 USA.
[Zaldivar-Rae, Jaime] Univ Nacl Autonoma Mexico, Inst Ecol, Lab Conducta Anim, Mexico City 04510, DF, Mexico.
[Crawford, Nicholas G.; Hagen, Cris; Schable, Amanda; Glenn, Travis C.] Univ Georgia, Savannah River Ecol Lab, Aiken, SC 29802 USA.
[Rosenblum, Erica Bree] Univ Calif Berkeley, Dept Mol & Cell Biol, Berkeley, CA 94720 USA.
[Rosenblum, Erica Bree] Lawrence Berkely Natl Lab, Dept Genome Sci, Berkeley, CA 94720 USA.
[Graves, Jeff A.; Ritchie, Michael G.] Univ St Andrews, St Andrews KY16 9TS, Fife, Scotland.
RP Crawford, NG (reprint author), San Diego State Univ, Dept Biol, San Diego, CA 92182 USA.
EM ngcrawford@gmail.como
RI Ritchie, Michael/B-7714-2008; Glenn, Travis/A-2390-2008; Ritchie,
Michael/F-7055-2013
OI Ritchie, Michael/0000-0001-7913-8675
NR 18
TC 4
Z9 4
U1 2
U2 11
PU WILEY-BLACKWELL
PI MALDEN
PA COMMERCE PLACE, 350 MAIN ST, MALDEN 02148, MA USA
SN 1755-098X
J9 MOL ECOL RESOUR
JI Mol. Ecol. Resour.
PD JAN
PY 2008
VL 8
IS 1
BP 219
EP 223
DI 10.1111/j.1471-8286.2007.01930.x
PG 5
WC Biochemistry & Molecular Biology; Ecology; Evolutionary Biology
SC Biochemistry & Molecular Biology; Environmental Sciences & Ecology;
Evolutionary Biology
GA 271ZL
UT WOS:000253827100050
PM 21585761
ER
PT J
AU Wang, H
Ye, M
Robinson, H
Francis, SH
Ke, H
AF Wang, Huanchen
Ye, Mengchun
Robinson, Howard
Francis, Sharron H.
Ke, Hengming
TI Conformational variations of both phosphodiesterase-5 and inhibitors
provide the structural basis for the physiological effects of vardenafil
and sildenafil
SO MOLECULAR PHARMACOLOGY
LA English
DT Article
ID CYCLIC-NUCLEOTIDE PHOSPHODIESTERASES; CGMP-SPECIFIC PHOSPHODIESTERASE-5;
ERECTILE DYSFUNCTION; CRYSTAL-STRUCTURES; TYPE-5 INHIBITORS; DRUG
DEVELOPMENT; PDE5 INHIBITOR; SELECTIVITY; DOMAIN; POTENCY
AB Vardenafil has higher affinity to phosphodiesterase-5 (PDE5) than sildenafil and lower administered dosage for the treatment of erectile dysfunction. However, the molecular basis for these differences is puzzling because two drugs have similar chemical structures. Reported here is a crystal structure of the fully active and nonmutated PDE5A1 catalytic domain in complex with vardenafil. The structure shows that the conformation of the H-loop in the PDE5A1-vardenafil complex is different from those of any known structures of the unliganded PDE5 and its complexes with the inhibitors. In addition, the molecular configuration of vardenafil differs from that of sildenafil when bound to PDE5. It is noteworthy that the binding of vardenafil causes loss of the divalent metal ions that have been observed in all the previously published PDE structures. The conformational variation of both PDE5 and the inhibitors provides structural insight into the different potencies of the drugs.
C1 [Wang, Huanchen; Ye, Mengchun; Ke, Hengming] Univ N Carolina, Dept Biochem & Biophys, Chapel Hill, NC 27599 USA.
[Robinson, Howard] Brookhaven Natl Lab, Dept Biol, Upton, NY 11973 USA.
[Francis, Sharron H.] Vanderbilt Univ, Sch Med, Dept Physiol & Mol Biophys, Nashville, TN 37212 USA.
RP Ke, H (reprint author), Univ N Carolina, Dept Biochem & Biophys, Chapel Hill, NC 27599 USA.
EM hke@med.unc.edu
RI ye, mengchun/D-5629-2014
OI ye, mengchun/0000-0002-2019-5365
FU NIDDK NIH HHS [DK58277, R01 DK058277]; NIGMS NIH HHS [GM59791, R01
GM059791, R01 GM059791-07]
NR 46
TC 27
Z9 28
U1 1
U2 4
PU AMER SOC PHARMACOLOGY EXPERIMENTAL THERAPEUTICS
PI BETHESDA
PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3995 USA
SN 0026-895X
J9 MOL PHARMACOL
JI Mol. Pharmacol.
PD JAN
PY 2008
VL 73
IS 1
BP 104
EP 110
DI 10.1124/mol.107.040212
PG 7
WC Pharmacology & Pharmacy
SC Pharmacology & Pharmacy
GA 243JP
UT WOS:000251792900011
PM 17959709
ER
PT J
AU Strasser, D
Haber, LH
Doughty, B
Leone, SR
AF Strasser, Daniel
Haber, Louis H.
Doughty, Benjamin
Leone, Stephen R.
TI Ultrafast predissociation of superexcited nitrogen molecules
SO MOLECULAR PHYSICS
LA English
DT Article
DE high order harmonic generation; femtosecond; superexcited states;
autoionization; predissociation
ID DOUBLY-EXCITED RESONANCES; PHOTOELECTRON-SPECTROSCOPY; NEUTRAL
DISSOCIATION; DIATOMIC-MOLECULES; STATES; DYNAMICS; PHOTOIONIZATION;
CHEMISTRY; PHYSICS; REGION
AB Superexcited states of neutral nitrogen molecules, with excited N(2)(+) (C(2)Sigma(+)(u)) ion cores, are prepared above the N(2) ionization limit with femtosecond pulses of 23.1 eV photons, produced by high-order harmonic generation. Time-resolved predissociation of the superexcited nitrogen molecules is observed by detection of electronically excited atomic N*(4p) and/or N*(3d) product formation, by photoionization of the excited atoms with a delayed 805 nm pulse. An upper limit lifetime of 25 fs is determined for the superexcited states, attributed to the sum of autoionization and predissociation pathways, based on the risetime of predissociation products. The observation of dissociation products from the short-lived states shows that the predissociation decay pathways compete with autoionization pathways on an ultrafast timescale.
C1 [Leone, Stephen R.] Univ Calif Berkeley, Dept Chem & Phys, Berkeley, CA 94720 USA.
Lawrence Berkeley Natl Lab, Div Chem Sci, Berkeley, CA 94720 USA.
RP Leone, SR (reprint author), Univ Calif Berkeley, Dept Chem & Phys, Berkeley, CA 94720 USA.
EM srl@berkeley.edu
RI Haber, Louis/A-6762-2013; Doughty, Benjamin /M-5704-2016
OI Doughty, Benjamin /0000-0001-6429-9329
NR 25
TC 12
Z9 13
U1 4
U2 17
PU TAYLOR & FRANCIS LTD
PI ABINGDON
PA 4 PARK SQUARE, MILTON PARK, ABINGDON OX14 4RN, OXON, ENGLAND
SN 0026-8976
J9 MOL PHYS
JI Mol. Phys.
PY 2008
VL 106
IS 2-4
BP 275
EP 280
DI 10.1080/00268970701790967
PG 6
WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical
SC Chemistry; Physics
GA 303RO
UT WOS:000256058400010
ER
PT J
AU Neumark, DM
AF Neumark, Daniel M.
TI Spectroscopy and dynamics of excess electrons in clusters
SO MOLECULAR PHYSICS
LA English
DT Review
DE clusters; hydrated electrons; photodetachment
ID PUMP-PROBE SPECTROSCOPY; ION PHOTOELECTRON-SPECTROSCOPY; NEGATIVELY
CHARGED WATER; DIPOLE-BOUND ANIONS; TO-SOLVENT STATES;
HYDRATED-ELECTRON; AB-INITIO; SOLVATED-ELECTRON; INFRARED-SPECTROSCOPY;
RELAXATION DYNAMICS
AB Anionic clusters comprising solvent molecules and excess electrons can provide new insights into electron solvation in liquids, an intrinsically bulk phenomenon. This paper reviews experimental and theoretical studies of this class of clusters, focusing primarily on water cluster anions, [image omitted], but also on iodide-water clusters, I-(H2O)n, and methanol cluster anions [image omitted]. Issues of particular interest include the relationship of time-resolved dynamics in these clusters to those of bulk solvated electrons, and the nature of the electron binding motifs supported by these clusters.
C1 [Neumark, Daniel M.] Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA.
[Neumark, Daniel M.] Lawrence Berkeley Natl Lab, Div Chem Sci, Berkeley, CA 94720 USA.
RP Neumark, DM (reprint author), Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA.
EM dneumark@berkeley.edu
RI Neumark, Daniel/B-9551-2009
OI Neumark, Daniel/0000-0002-3762-9473
FU National Science Foundation [CHE-0649647]; US-Israel Binational Science
Foundation [2000-333, 2004-401]
FX This research is supported by the National Science Foundation under
Grant No. CHE-0649647. The collaboration with Ori Cheshnovsky was
supported by the US-Israel Binational Science Foundation under Grants
2000-333 and 2004-401.
NR 149
TC 53
Z9 53
U1 4
U2 32
PU TAYLOR & FRANCIS LTD
PI ABINGDON
PA 4 PARK SQUARE, MILTON PARK, ABINGDON OX14 4RN, OXON, ENGLAND
SN 0026-8976
EI 1362-3028
J9 MOL PHYS
JI Mol. Phys.
PY 2008
VL 106
IS 16-18
BP 2183
EP 2197
AR PII 905334995
DI 10.1080/00268970802279555
PG 15
WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical
SC Chemistry; Physics
GA 371LB
UT WOS:000260831700013
ER
PT J
AU Lawler, KV
Parkhill, JA
Head-Gordon, M
AF Lawler, Keith V.
Parkhill, John A.
Head-Gordon, Martin
TI Penalty functions for combining coupled-cluster and perturbation
amplitudes in local correlation methods with optimized orbitals
SO MOLECULAR PHYSICS
LA English
DT Article
DE ab initio; electronic structure; quantum chemistry; computational
chemistry
ID ENERGY CALCULATIONS; LINEAR-COMBINATION; WAVE-FUNCTIONS; DOUBLES MODEL;
VALENCE; AROMATICITY; RESOLUTION; ALGORITHM; CHEMISTRY; ETHYLENE
AB Local active space correlation models based on the coupled-cluster doubles (CCD) model like Generalized Valence Bond Perfect Pairing (GVB-PP) and Imperfect Pairing (IP) are attractive methods for treating electron correlation, because they are computationally inexpensive and can describe strong correlations. However, they suffer from symmetry-breaking (SB) in systems with multiple resonance structures, which arises due to neglected correlations. We investigate the extent to which these problems can be removed by using second-order perturbation theory (PT) for weak correlations coupling three different electron pairs, and (infinite-order) coupled-cluster (CC) theory for stronger correlations involving electrons in only one or two pairs. The resulting Three-Pair Corrected Imperfect Pairing (TIP) method is explored here, and it is shown that to robustly combine CC and PT it is necessary to modify several aspects of the basic method. Most importantly, a penalty function term is introduced to ensure the PT amplitudes remain small. Comparison against CC treatment of the three-pair correlations suggests penalty terms will be beneficial for any hybrid CC/PT method that includes orbital optimization. The TIP method greatly reduces SB in aromatic hydrocarbons and recovers a significantly higher fraction of the valence electron correlation energy than IP.
C1 [Lawler, Keith V.; Parkhill, John A.; Head-Gordon, Martin] Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA.
[Lawler, Keith V.; Parkhill, John A.; Head-Gordon, Martin] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Chem Sci, Berkeley, CA 94720 USA.
RP Head-Gordon, M (reprint author), Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA.
EM mhg@bastille.cchem.berkeley.edu
FU Department of Energy
FX This work was supported by the Department of Energy through a grant
under the program for Scientific Discovery through Advanced Computing
(SciDAC).
NR 40
TC 14
Z9 14
U1 1
U2 1
PU TAYLOR & FRANCIS LTD
PI ABINGDON
PA 4 PARK SQUARE, MILTON PARK, ABINGDON OX14 4RN, OXON, ENGLAND
SN 0026-8976
J9 MOL PHYS
JI Mol. Phys.
PY 2008
VL 106
IS 19
BP 2309
EP 2324
AR PII 904496695
DI 10.1080/00268970802443482
PG 16
WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical
SC Chemistry; Physics
GA 375CL
UT WOS:000261090600007
ER
PT J
AU Rudd, RE
Lee, B
AF Rudd, R. E.
Lee, B.
TI Mechanics of silicon nanowires: size-dependent elasticity from first
principles
SO MOLECULAR SIMULATION
LA English
DT Article
DE nanowire; Young's modulus; density functional theory; size effect;
surface stress
ID TOTAL-ENERGY CALCULATIONS; AUGMENTED-WAVE METHOD; TRANSITION-METALS;
SURFACE STRESS; BASIS-SET; SIMULATION; CRYSTALS
AB We discuss size-dependent elastic properties in the context of our recent work on the mechanics of silicon nanowires. The results are based on first-principles density functional theory calculations. We focus especially on the size dependence of the Young's modulus, but also comment on the size dependence of the residual stress and the equilibrium length of the hydrogen-passivated Si nanowires. We compare these results to prior results from classical molecular dynamics based on empirical potentials.
C1 [Rudd, R. E.; Lee, B.] Lawrence Livermore Natl Lab, Livermore, CA 94551 USA.
RP Rudd, RE (reprint author), Lawrence Livermore Natl Lab, L-045, Livermore, CA 94551 USA.
EM robert.rudd@llnl.gov
NR 38
TC 19
Z9 19
U1 0
U2 13
PU TAYLOR & FRANCIS LTD
PI ABINGDON
PA 2-4 PARK SQUARE, MILTON PARK, ABINGDON OR14 4RN, OXON, ENGLAND
SN 0892-7022
EI 1029-0435
J9 MOL SIMULAT
JI Mol. Simul.
PY 2008
VL 34
IS 1
BP 1
EP 8
DI 10.1080/08927020701730435
PG 8
WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical
SC Chemistry; Physics
GA 287WR
UT WOS:000254947800001
ER
PT J
AU Soares, TA
Straatsma, TP
AF Soares, T. A.
Straatsma, T. P.
TI Assessment of the convergence of molecular dynamics simulations of
lipopolysaccharide membranes
SO MOLECULAR SIMULATION
LA English
DT Article
DE lipopolysaccharide structure; outer membrane; S(2) order parameters;
area per lipid molecule; transmembrane potential; asymmetric bilayer
ID PSEUDOMONAS-AERUGINOSA LIPOPOLYSACCHARIDE; TRANSFORM
INFRARED-SPECTROSCOPY; H-2 NMR-SPECTROSCOPY; FREE LIPID-A;
OUTER-MEMBRANE; ESCHERICHIA-COLI; SALMONELLA-TYPHIMURIUM;
PHOSPHOLIPID-BILAYERS; MAGNETIC-RESONANCE; ORDER PARAMETERS
AB The outer membrane of Gram-negative bacteria is composed of a phospholipid inner leaflet and a lipopolysaccharide (LPS) outer leaflet. The chemical structure of LPS results in an asymmetric character of outer membranes that has been shown to play an important role in the electrical properties of porins, low permeability and intrinsic antibiotic resistance of Gram-negative bacteria. Atomistic molecular dynamics simulations of two different configurations of the outer membrane of Pseudomonas aeruginosa under periodic boundary conditions were carried out in order to (1) validate model-derived properties against the available experimental data, (2) identify the properties whose dynamics can be sampled on nanosecond timescales, and (3) evaluate the dependence of the convergence of structural and dynamical properties on the initial configuration of the system, within the chosen force field and simulation conditions. Because the relaxation times associated with the motions of individual LPS monomers in outer membranes are very long, the two initial configurations do not converge to a common ensemble of configuration on the nanosecond time scale. However, a number of properties of the outer membrane that will significantly impact the structural and internal dynamics of transmembrane proteins, most notably the electrostatic potential and molecular density, do converge within the simulated time scale. For these properties, a good agreement with the available experimental data was found. Such a molecular model, capable of accounting for the high asymmetry and low fluidity characteristics of outer membranes provides a more appropriate environment for atomistic simulations of outer membrane proteins.
C1 [Soares, T. A.; Straatsma, T. P.] Pacific NW Natl Lab, Richland, WA 99352 USA.
RP Straatsma, TP (reprint author), Pacific NW Natl Lab, Richland, WA 99352 USA.
EM tps@pnl.gov
RI Soares, Thereza/G-1065-2010
OI Soares, Thereza/0000-0002-5891-6906
NR 55
TC 17
Z9 17
U1 5
U2 14
PU TAYLOR & FRANCIS LTD
PI ABINGDON
PA 4 PARK SQUARE, MILTON PARK, ABINGDON OX14 4RN, OXON, ENGLAND
SN 0892-7022
J9 MOL SIMULAT
JI Mol. Simul.
PY 2008
VL 34
IS 3
BP 295
EP 307
DI 10.1080/08927020701829880
PG 13
WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical
SC Chemistry; Physics
GA 302TH
UT WOS:000255991700007
ER
PT J
AU Andersen, A
Govind, N
Subramanian, L
AF Andersen, Amity
Govind, Niranjan
Subramanian, Lalitha
TI Theoretical study of the mechanism behind the para-selective nitration
of toluene in zeolite H-Beta
SO MOLECULAR SIMULATION
LA English
DT Article
DE toluene; nitration; beta; zeolite; density functional theory
ID MQ MAS NMR; DENSITY-FUNCTIONAL CALCULATIONS; AMORPHOUS SILICA-ALUMINA;
ALK EDGE XANES; AROMATIC-COMPOUNDS; AL-27 MAS; REGIOSELECTIVE NITRATION;
BENZOYL NITRATE; ACID; BEA
AB Periodic density functional theory calculations were performed to investigate the origin of the favourable para-selective nitration of toluene exhibited by zeolite H-beta with acetyl nitrate nitration agent. Energy calculations were performed for each of the 32 crystallographically unique Brnsted acid sites of a beta polymorph B zeolite unit cell with multiple Brnsted acid sites of comparable stability. However, one particular aluminum T-site with three favourable Brnsted site oxygens embedded in a straight 12-T channel wall provides multiple favourable proton transfer sites. Transition state searches around this aluminum site were performed to determine the barrier to reaction for both para and ortho nitration of toluene. A three-step process was assumed for the nitration of toluene with two organic intermediates: the - and -complexes. The rate limiting step is the proton transfer from the -complex to a zeolite Brnsted site. The barrier for this step in ortho nitration is shown to be nearly 2.5 times that in para nitration. This discrepancy appears to be due to steric constraints imposed by the curvature of the large 12-T pore channels of beta and the toluene methyl group in the ortho approach that are not present in the para approach.
C1 [Andersen, Amity; Subramanian, Lalitha] Accelrys Inc, San Diego, CA USA.
[Govind, Niranjan] Pacific NW Natl Lab, William R Wiley Environm Mol Sci Lab, Richland, WA 99352 USA.
RP Andersen, A (reprint author), Accelrys Inc, San Diego, CA USA.
EM aandersen@accelrys.com; nirigovind@pnl.gov
RI Govind, Niranjan/D-1368-2011
NR 46
TC 3
Z9 3
U1 0
U2 6
PU TAYLOR & FRANCIS LTD
PI ABINGDON
PA 4 PARK SQUARE, MILTON PARK, ABINGDON OX14 4RN, OXON, ENGLAND
SN 0892-7022
J9 MOL SIMULAT
JI Mol. Simul.
PY 2008
VL 34
IS 10-15
BP 1025
EP 1039
AR PII 904804424
DI 10.1080/08927020802191958
PG 15
WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical
SC Chemistry; Physics
GA 375BR
UT WOS:000261088400018
ER
PT J
AU Cygan, RT
Brinker, CJ
Nyman, MD
Leung, K
Rempe, SB
AF Cygan, Randall T.
Brinker, C. Jeffrey
Nyman, May D.
Leung, Kevin
Rempe, Susan B.
TI A molecular basis for advanced materials in water treatment
SO MRS BULLETIN
LA English
DT Article
ID REVERSE-OSMOSIS MEMBRANES; NANOFILTRATION MEMBRANES; MICELLAR
FLOCCULATION; CHLORIDE COAGULANT; MESOPOROUS SILICA; VIRUS REMOVAL;
ALGINIC ACID; MICROFILTRATION; CRYPTOSPORIDIUM; NANODEVICES
AB A molecular-scale interpretation of interfacial processes is often downplayed in the analysis of traditional water treatment methods; however, such a fundamental approach is perhaps critical for the realization of enhanced performance in traditional desalination and related treatments, and in the development of novel water treatment technologies. Specifically, we examine in this article the molecular-scale processes that affect water and ion selectivity at the nanopore scale as inspired by nature, the behavior of a model polysaccharide as a biofilm, and the use of cluster-surfactant flocculants in viral sequestration.
C1 [Cygan, Randall T.; Nyman, May D.] Sandia Natl Labs, Dept Geochem, Albuquerque, NM 87185 USA.
[Rempe, Susan B.] Sandia Natl Labs, Comp Syst Biol Dept, Albuquerque, NM 87185 USA.
[Leung, Kevin] Sandia Natl Labs, Surface & Interface Sci Dept, Albuquerque, NM 87185 USA.
[Brinker, C. Jeffrey] Sandia Natl Labs, Self Assembled Mat Dept, Albuquerque, NM 87185 USA.
RP Cygan, RT (reprint author), Sandia Natl Labs, Dept Geochem, POB 5800, Albuquerque, NM 87185 USA.
EM rtcygan@sandia.gov; cjbrink@sandia.gov; man@sandia.gov;
kleung@sandia.gov; slrempe@sandia.gov
RI Rempe, Susan/H-1979-2011
NR 50
TC 8
Z9 8
U1 2
U2 12
PU MATERIALS RESEARCH SOC
PI WARRENDALE
PA 506 KEYSTONE DR, WARRENDALE, PA 15086 USA
SN 0883-7694
J9 MRS BULL
JI MRS Bull.
PD JAN
PY 2008
VL 33
IS 1
BP 42
EP 47
DI 10.1557/mrs2008.13
PG 6
WC Materials Science, Multidisciplinary; Physics, Applied
SC Materials Science; Physics
GA 257ZW
UT WOS:000252839200015
ER
PT J
AU Goldstein, B
Coombs, D
Faeder, JR
Hlavacek, WS
AF Goldstein, Byron
Coombs, Daniel
Faeder, James R.
Hlavacek, William S.
TI Kinetic Proofreading Model
SO MULTICHAIN IMMUNE RECOGNITION RECEPTOR SIGNALING: FROM SPATIOTEMPORAL
ORGANIZATION TO HUMAN DISEASE
SE ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY
LA English
DT Article
ID T-CELL-ACTIVATION; PROTEIN-TYROSINE KINASE; HIGH-AFFINITY RECEPTOR;
SIGNAL-TRANSDUCTION; IGE RECEPTOR; SERIAL ENGAGEMENT; BINDING-KINETICS;
TCR ENGAGEMENT; PHOSPHORYLATION; SYK
AB Kinetic proofreading is an intrinsic property of the cell signaling process. It arises as a consequence of the multiple interactions that occur after a ligand triggers a receptor to initiate a signaling cascade and it ensures that false signals do not propagate to completion. In order for an active signaling complex to form after a ligand binds to a cell surface receptor, a sequence of binding and phosphorylation events must occur that are rapidly reversed if the ligand dissociates from the receptor. This gives rise to a mechanism by which cells can discriminate among ligands that bind to the same receptor but form ligand-receptor complexes with different lifetimes. We review experiments designed to test for kinetic proofreading and models that exhibit kinetic proofreading.
C1 [Goldstein, Byron] Los Alamos Natl Lab, Div Theoret, Theoret Biol & Biophys Grp, Los Alamos, NM 87545 USA.
RP Goldstein, B (reprint author), Los Alamos Natl Lab, Div Theoret, Theoret Biol & Biophys Grp, T-10 MS K710, Los Alamos, NM 87545 USA.
EM bxg@lanl.gov
OI Coombs, Daniel/0000-0002-8038-6278
FU National Institutes of Health [R37GM35556, RR18754]; Department of
Energy [DE-AC52-06NA25396]
FX The work was supported by grants R37GM35556 and RR18754 from the
National Institutes of Health and by the Department of Energy through
contract DE-AC52-06NA25396.
NR 52
TC 9
Z9 9
U1 0
U2 6
PU SPRINGER-VERLAG BERLIN
PI BERLIN
PA HEIDELBERGER PLATZ 3, D-14197 BERLIN, GERMANY
SN 0065-2598
J9 ADV EXP MED BIOL
JI Adv.Exp.Med.Biol.
PY 2008
VL 640
BP 82
EP 94
PG 13
WC Medicine, Research & Experimental
SC Research & Experimental Medicine
GA BIM95
UT WOS:000260962800008
PM 19065786
ER
PT S
AU Rosanvallon, S
Grisolia, C
Sharpe, P
Andrew, P
Ciattaglia, S
Furlan, J
Pitcher, CS
Taylor, N
AF Rosanvallon, S.
Grisolia, C.
Sharpe, P.
Andrew, P.
Ciattaglia, S.
Furlan, J.
Pitcher, C. S.
Taylor, N.
BE Mendonca, JT
Resendes, DP
Shukla, PK
TI Control of dust inventory in tokamaks
SO MULTIFACETS OF DUSTY PLASMA
SE AIP Conference Proceedings
LA English
DT Proceedings Paper
CT 5th International Conference on Physics of Dusty Plasmas
CY MAY 18-23, 2008
CL Ponta Delgada, PORTUGAL
SP Int Union Pure & Appl Phys, Fund Cienc Tecnol, Inst Plasmas Fusao Nucl, Inst Super Tecn, Univ Azores, Tourism Off Reg Govt Azores, Municipal Ponta Delgada
DE ITER; safety; dust; diagnostic; erosion; removal
ID WALL
AB Particles with sizes ranging front 100 nut to 100 mu m are produced in tokamaks by the interaction of the plasma with the first wall materials and divertor. Dust has not yet been of a major concerti in existing tokamaks mainly because their quantities are small and these devices are not nuclear facilities. However, in ITER and in future reactors, they Could represent operational and potential safety issues.
The aim of this paper is thus to describe the dust creation processes in the tokamak environment. The diagnostics and removal techniques that are needed to be implemented to measure and minimise the dust inventory are also presented. The integration of these techniques into it tokamak environment is also discussed.
C1 [Rosanvallon, S.; Grisolia, C.] IRFM, DSM, CEA, Assoc Euratom CEA, F-13108 St Paul Les Durance, France.
[Sharpe, P.] Idaho Natl Lab, Fus Safety Program, Idaho Falls, ID 83415 USA.
[Andrew, P.; Ciattaglia, S.; Pitcher, C. S.; Taylor, N.] ITER Org, F-13108 St Paul Les Durance, France.
[Furlan, J.] Fus Energy, Barcelona 08019, Spain.
RP Rosanvallon, S (reprint author), IRFM, DSM, CEA, Assoc Euratom CEA, F-13108 St Paul Les Durance, France.
NR 14
TC 0
Z9 0
U1 0
U2 0
PU AMER INST PHYSICS
PI MELVILLE
PA 2 HUNTINGTON QUADRANGLE, STE 1NO1, MELVILLE, NY 11747-4501 USA
SN 0094-243X
BN 978-0-7354-0569-1
J9 AIP CONF PROC
PY 2008
VL 1041
BP 51
EP +
PG 2
WC Physics, Fluids & Plasmas
SC Physics
GA BIH02
UT WOS:000259440600011
ER
PT S
AU Rudakov, DL
West, WP
Groth, M
Yu, JH
Boedo, JA
Bray, BD
Brooks, NH
Fenstermacher, ME
Hollmann, EM
Hyatt, AW
Krasheninnikov, SI
Lasnier, CJ
Moyer, RA
Pigarov, AY
Smirnov, R
Solomon, WM
Wong, CPC
AF Rudakov, D. L.
West, W. P.
Groth, M.
Yu, J. H.
Boedo, J. A.
Bray, B. D.
Brooks, N. H.
Fenstermacher, M. E.
Hollmann, E. M.
Hyatt, A. W.
Krasheninnikov, S. I.
Lasnier, C. J.
Moyer, R. A.
Pigarov, A. Yu.
Smirnov, R.
Solomon, W. M.
Wong, C. P. C.
BE Mendonca, JT
Resendes, DP
Shukla, PK
TI Dust studies in DIII-D tokamak
SO MULTIFACETS OF DUSTY PLASMA
SE AIP Conference Proceedings
LA English
DT Proceedings Paper
CT 5th International Conference on Physics of Dusty Plasmas
CY MAY 18-23, 2008
CL Ponta Delgada, PORTUGAL
SP Int Union Pure & Appl Phys, Fund Cienc Tecnol, Inst Plasmas Fusao Nucl, Inst Super Tecn, Univ Azores, Tourism Off Reg Govt Azores, Municipal Ponta Delgada
DE dust; DIII-D; DiMES; visible imaging; mie scattering
ID CARBON DUST
AB Studies of submicron dust using Mie scattering from Nd:YAG lasers and video data of micron to SUb-millimeter sized dust on DIII-D tokamak have provided the first data of dust sources and transport during tokamak discharges. During normal operation on DIII-D dust observation rates are low, a few events per discharge or less. The net carbon content of the dust corresponds to a carbon atom density a few orders of magnitude below the core impurity density. Statistical analysis of Mie data collected over months of operation reveal correlation of increased dust rate with increased heating power and impulsive wall loading due to edge localized modes, (ELMs) and disruptions. Generation of significant amount,, of dust by disruptions is confirmed by the camera data. However, dust production by disruptions alone is insufficient to account for estimated in-vessel dust inventory in DIII-D. After an extended entry vent, thousand of dust particles are observed by cameras in the first 2-3 plasma discharges. Individual particles moving at velocities tip to similar to 300 m/s, breakup of larger particles into pieces, and collisions of particles with walls are observed. After similar to 70 discharges, dust levels are reduced to a few events per discharge. In order to calibrate diagnostics and benchmark modeling, milligram amounts of micronsized carbon dust have been injected into DIII-D discharges, leading to the core carbon density increase by a factor of 2-3. Following injection, dust trajectories in the divertor are mostly in the toroidal direction, consistent with the ion drag force. Dust from the injection is observed in the outboard midplane by a fast framing camera. The observed trajectories and velocities of the dust particles are in qualitative agreement with modeling by the 3D DustT code.
C1 [Rudakov, D. L.; Yu, J. H.; Boedo, J. A.; Hollmann, E. M.; Krasheninnikov, S. I.; Moyer, R. A.; Pigarov, A. Yu.; Smirnov, R.] Univ Calif San Diego, La Jolla, CA 92093 USA.
[West, W. P.; Bray, B. D.; Brooks, N. H.; Hyatt, A. W.; Wong, C. P. C.] Gen Atom, San Diego, CA 92186 USA.
[Groth, M.; Fenstermacher, M. E.; Lasnier, C. J.] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
[Solomon, W. M.] Princeton Plasma Phys Lab, Princeton, NJ 08543 USA.
RP Rudakov, DL (reprint author), Univ Calif San Diego, La Jolla, CA 92093 USA.
RI Groth, Mathias/G-2227-2013; Smirnov, Roman/B-9916-2011;
OI Smirnov, Roman/0000-0002-9114-5330; Solomon, Wayne/0000-0002-0902-9876
FU US Department of Energy [DE-FG02-07ER549I7, DE-FC02-04ER54698,
DE-AC52-07NA27344, DE-AC02-76CH03073]
FX This work was supported by the US Department of Energy under DE-FG02-
07ER549I7, DE-FC02-04ER54698, DE-AC52-07NA27344, and DE-AC02- 76CH03073.
NR 9
TC 0
Z9 0
U1 0
U2 3
PU AMER INST PHYSICS
PI MELVILLE
PA 2 HUNTINGTON QUADRANGLE, STE 1NO1, MELVILLE, NY 11747-4501 USA
SN 0094-243X
BN 978-0-7354-0569-1
J9 AIP CONF PROC
PY 2008
VL 1041
BP 55
EP +
PG 2
WC Physics, Fluids & Plasmas
SC Physics
GA BIH02
UT WOS:000259440600012
ER
PT S
AU Smirnov, RD
Pigarov, AY
Tanaka, Y
Krasheninnikov, SI
Mendis, DA
Rognlien, TD
Rosenberg, M
Soboleva, TK
Shukla, PK
Brayf, BD
Rudakov, D
West, WP
Roquemore, AL
Skinner, CH
AF Smirnov, R. D.
Pigarov, A. Yu.
Tanaka, Y.
Krasheninnikov, S. I.
Mendis, D. A.
Rognlien, T. D.
Rosenberg, M.
Soboleva, T. K.
Shukla, P. K.
Brayf, B. D.
Rudakov, D.
West, W. P.
Roquemore, A. L.
Skinner, C. H.
BE Mendonca, JT
Resendes, DP
Shukla, PK
TI Dust in fusion plasmas: theory and modeling
SO MULTIFACETS OF DUSTY PLASMA
SE AIP Conference Proceedings
LA English
DT Proceedings Paper
CT 5th International Conference on Physics of Dusty Plasmas
CY MAY 18-23, 2008
CL Ponta Delgada, PORTUGAL
SP Int Union Pure & Appl Phys, Fund Cienc Tecnol, Inst Plasmas Fusao Nucl, Inst Super Tecn, Univ Azores, Tourism Off Reg Govt Azores, Municipal Ponta Delgada
DE dust; DUSTT code; dust dynamics; dust transport
ID FLOWING PLASMA; ION COLLECTION; DIII-D; DEVICES; OPERATION; DYNAMICS;
TOKAMAKS; PARTICLE; SAFETY; SPHERE
AB Dust may have a large impact on ITER-scale plasma experiments including both safety and performance issues. However, the physics of dust in fusion plasmas is very complex and multifaceted. Here, we discuss different aspects of dust dynamics including dust-plasma, and dust-surface interactions. We consider the models of dust charging, heating, evaporation/sublimation, dust collision with material walls, etc., which are suitable for the conditions of fusion plasmas. The physical models of all these processes have been incorporated into the DUST Transport (DUSTT) code. Numerical simulations demonstrate that dust particles are very mobile and accelerate to large velocities due to the ion drag force (cruise speed >100 m/s). Deep penetration of dust particles toward the plasma core is predicted. It is shown that DUSTT is capable of reproducing many features of recent dust-related experiments, but much more work is still needed.
C1 [Smirnov, R. D.; Pigarov, A. Yu.; Krasheninnikov, S. I.; Mendis, D. A.; Rosenberg, M.; Rudakov, D.] Univ Calif San Diego, La Jolla, CA 92093 USA.
[Tanaka, Y.] Kanazawa Univ, Kanazawa, Ishikawa, Japan.
[Rognlien, T. D.] Lawrence Livermore Natl Lab, Livermore, CA USA.
[Soboleva, T. K.] Univ Nacl Autonoma Mexico, ICN, Mexico City, DF, Mexico.
[Shukla, P. K.] Ruhr Univ Bochum, Bochum, Germany.
[Brayf, B. D.; West, W. P.] Gen Atom, San Diego, CA USA.
[Roquemore, A. L.; Skinner, C. H.] Princeton Plasma Phys Lab, Princeton, NJ USA.
RP Smirnov, RD (reprint author), Univ Calif San Diego, La Jolla, CA 92093 USA.
RI Smirnov, Roman/B-9916-2011; Tanaka, Yasunori/E-6609-2015
OI Smirnov, Roman/0000-0002-9114-5330; Tanaka, Yasunori/0000-0002-0796-2507
FU USDOE [DEFG02-04ER54852, DGAPA INI 19408-3]
FX This work was supported in part by the US DoE under the USDOE grant
DEFG02-04ER54852 and under the grant DGAPA INI 19408-3, Mexico.
NR 17
TC 2
Z9 2
U1 0
U2 3
PU AMER INST PHYSICS
PI MELVILLE
PA 2 HUNTINGTON QUADRANGLE, STE 1NO1, MELVILLE, NY 11747-4501 USA
SN 0094-243X
BN 978-0-7354-0569-1
J9 AIP CONF PROC
PY 2008
VL 1041
BP 59
EP +
PG 2
WC Physics, Fluids & Plasmas
SC Physics
GA BIH02
UT WOS:000259440600013
ER
PT S
AU Ticos, CM
Wang, ZH
Wurden, GA
AF Ticos, Catalin M.
Wang, Zhehui
Wurden, Glen. A.
BE Mendonca, JT
Resendes, DP
Shukla, PK
TI A new parameter regime for dust in plasma: the case of dense and
supersonic plasma flows
SO MULTIFACETS OF DUSTY PLASMA
SE AIP Conference Proceedings
LA English
DT Proceedings Paper
CT 5th International Conference on Physics of Dusty Plasmas
CY MAY 18-23, 2008
CL Ponta Delgada, PORTUGAL
SP Int Union Pure & Appl Phys, Fund Cienc Tecnol, Inst Plasmas Fusao Nucl, Inst Super Tecn, Univ Azores, Tourism Off Reg Govt Azores, Municipal Ponta Delgada
DE dusty plasmas; plasma flow; hypervelocity dust
AB The co-existence between charged micron-size particulates of matter and plasma electrons and ions can lead to interesting physics phenomena. Some of the most spectacular observations in laboratory low ionized gases include the formation of aligned dust structures, the propagation of dust waves or self-organization leading to dust voids. Here, the dust dynamics is established by the forces of gravity, of electrostatic interaction With electric fields within the plasma, of friction with the neutral gas, and by the Coulomb repulsion between grains. Measurements of dust trajectories have been carried out in situ when the plasma density is about 6-7 orders of magnitude higher than in typical laboratory dusty plasmas, i.e. similar to 10(22) m(-3), and the ion temperature is a few eV. The plasma flows at speeds of the order of 20-60 km/s. Two observed features characterize dust in this new plasma regime: the plasma drag force dominates over all other forces acting on the grains and the microparticles tire heated to temperatures sufficientlly high, to become self-illuminated. Simultaneous observation at different moments in time of up to a few hundred flying dust grains has been possible due to the timing capabilities of a high-speed camera equipped with a telephoto lens. Dust speed of a few km/s and accelerations of similar to 10(5). 10(6) m/s(2) have been inferred using the time-of-flight technique. Among the applications of hypervelocity dust are local diagnostics performed on hot plasmas, interstellar propulsion or simulation of meteorite impacts.
C1 [Ticos, Catalin M.] Natl Inst Laser Plasma & Radiat Phys, Bucharest, Romania.
[Ticos, Catalin M.; Wang, Zhehui; Wurden, Glen. A.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
RP Ticos, CM (reprint author), Natl Inst Laser Plasma & Radiat Phys, Bucharest, Romania.
RI Ticos, Catalin/F-1677-2011; Wurden, Glen/A-1921-2017
OI Wurden, Glen/0000-0003-2991-1484
FU U.S. Department of Energy through Office of Science [DE-AC52-06NA25396];
Romanian National University Research Council (CNCSIS) [RP-10, PNCDI2]
FX This work was supported in part by the U.S. Department of Energy, under
Contract No. DE-AC52-06NA25396, through the Office of Science, and by
the Romanian National University Research Council (CNCSIS) under
contract RP-10, within the PNCDI2 program.
NR 13
TC 0
Z9 0
U1 0
U2 0
PU AMER INST PHYSICS
PI MELVILLE
PA 2 HUNTINGTON QUADRANGLE, STE 1NO1, MELVILLE, NY 11747-4501 USA
SN 0094-243X
BN 978-0-7354-0569-1
J9 AIP CONF PROC
PY 2008
VL 1041
BP 63
EP +
PG 2
WC Physics, Fluids & Plasmas
SC Physics
GA BIH02
UT WOS:000259440600014
ER
PT S
AU Wang, ZH
Mansfield, DK
Roquemore, LA
Ticos, CM
Wurden, GA
AF Wang, Zhehui
Mansfield, Dennis K.
Roquemore, Lane A.
Ticos, Catalin M.
Wurden, Glen A.
BE Mendonca, JT
Resendes, DP
Shukla, PK
TI Applications and progress of dust injection to fusion energy
SO MULTIFACETS OF DUSTY PLASMA
SE AIP Conference Proceedings
LA English
DT Proceedings Paper
CT 5th International Conference on Physics of Dusty Plasmas
CY MAY 18-23, 2008
CL Ponta Delgada, PORTUGAL
SP Int Union Pure & Appl Phys, Fund Cienc Tecnol, Inst Plasmas Fusao Nucl, Inst Super Tecn, Univ Azores, Tourism Off Reg Govt Azores, Municipal Ponta Delgada
DE dust injection; diagnostics; fusion energy applications
AB Three regimes of dust injection are proposed for different applications to fusion energy. In the 'low-speed' regime (< 5 km/s), basic dust transport study, edge plasma diagnostics, edge-localized-mode (ELM) pacing in magnetic fusion devices call be realized by injecting dust of known properties into today's fusion experiments. ELM pacing, as all alternative to mini-pellet injection, is a promising scheme to prevent disruptions and type I ELM's that can cause catastrophic damage to fusion devices. Different schemes are available to inject dust. In the 'intermediate-speed regime (10 - 200 km/s), possible applications of dust injection include fueling of the next-step fusion devices, core-diagnostics of the next-step fusion devices, and compression of plasma and solid targets to aid fusion energy production. Promising laboratory results of dust moving at 10-50 km/s do exist. Significant advance in this regime may be expected in the near term to achieve higher dust speeds. In the 'high-speed regime (> 500 km/s). dust injection call potentially be used to directly produce fusion energy through impact. Ideas on how to achieve these extremely high speeds are mostly on paper. No plan exists today to realize them in laboratory. Some experimental results, including electrostatic, electromagnetic, gas-dragged, plasma-dragged, and laser-ablation-based acceleration, are summarized and compared. Some features and limitations of the different acceleration methods will be discussed. A necessary component of all dust injectors, is the dust dropper (also known as dust dispenser). A computer-controlled piezoelectric crystals has been developed to dropped dust in a systematic and reproducible manner. Particle fluxes ranges front a few tens of particles per second tip to thousands of particles per second by this simple device.
C1 [Wang, Zhehui; Wurden, Glen A.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
[Mansfield, Dennis K.; Roquemore, Lane A.] Princeton Plasma Phys Lab, Princeton, NJ USA.
[Ticos, Catalin M.] Natl Inst Laser Plasma & Radiat Phys, Bucharest, Romania.
RP Wang, ZH (reprint author), Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
RI Ticos, Catalin/F-1677-2011; Wurden, Glen/A-1921-2017
OI Wurden, Glen/0000-0003-2991-1484
FU U.S. DoE through the Office of Science [DE-AC52-06NA25396]; Romanian
National University Research Council (CNCSIS) within the PNCDI2 program
[RP-IO]
FX This work was supported in part by the U.S. DoE, under Contract No.
DE-AC52-06NA25396, through the Office of Science, and by the Romanian
National University Research Council (CNCSIS) under contract RP-IO,
within the PNCDI2 program.
NR 10
TC 1
Z9 1
U1 0
U2 2
PU AMER INST PHYSICS
PI MELVILLE
PA 2 HUNTINGTON QUADRANGLE, STE 1NO1, MELVILLE, NY 11747-4501 USA
SN 0094-243X
BN 978-0-7354-0569-1
J9 AIP CONF PROC
PY 2008
VL 1041
BP 135
EP +
PG 2
WC Physics, Fluids & Plasmas
SC Physics
GA BIH02
UT WOS:000259440600030
ER
PT B
AU Eggleton, PP
Kisseleva-Eggleton, L
AF Eggleton, P. P.
Kisseleva-Eggleton, L.
BE Hubrig, S
PetrGotzens, M
Tokovinin, A
TI Evolutionary processes in multiple systems
SO MULTIPLE STARS ACROSS THE H-R DIAGRAM
SE ESO ASTROPHYSICS SYMPOSIA
LA English
DT Proceedings Paper
CT ESO Workshop on Multiple Stars Across the H-R Diagram
CY JUL 12-15, 2005
CL Garching, GERMANY
SP ESO
ID TRIPLE STARS; BINARY; TAURI; SPECTROSCOPY; ORIENTATION; COMPANION;
ALGOL; DWARF
AB There are several ways in which triple stars can evolve in somewhat unusual ways. We discuss two: situations where Case A Roche-lobe overflow, followed by a merger, can produce anomalous wide binaries such as gamma Per; and Kozai cycles in triples with non-parallel orbits, which can produce merged rapidly-rotating stars like (we suggest) AB Dor, and which can also lead to the delayed ejection of one component of a multiple, as may have been observed in T Tau in 1998.
C1 [Eggleton, P. P.] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
[Kisseleva-Eggleton, L.] California State Univ, Maritime Acad, Vallejo, CA USA.
RP Eggleton, PP (reprint author), Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
EM ppe@igpp.ucllnl.org; lkisseleva@csum.edu
FU U.S. Department of Energy, National Nuclear Security Administration by
the University of California, Lawrence Livermore National Laboratory
[W-7405-Eng-48]
FX This work was performed under the auspices of the U.S. Department of
Energy, National Nuclear Security Administration by the University of
California, Lawrence Livermore National Laboratory under contract No.
W-7405-Eng-48. L.K.-E. is grateful to the AAS and the California
Maritime Academy for assistance with travel.
NR 19
TC 1
Z9 1
U1 0
U2 0
PU SPRINGER-VERLAG BERLIN
PI BERLIN
PA HEIDELBERGER PLATZ 3, D-14197 BERLIN, GERMANY
BN 978-3-540-74744-4
J9 ESO ASTROPHY SYMP
PY 2008
BP 1
EP +
DI 10.1007/978-3-540-74745-1_1
PG 3
WC Astronomy & Astrophysics
SC Astronomy & Astrophysics
GA BHA31
UT WOS:000251799300001
ER
PT S
AU Challa, SR
Truesdell, R
Vorobieff, P
Marnmoll, A
van Swol, F
AF Challa, Sivakurnar R.
Truesdell, Richard
Vorobieff, Peter
Marnmoll, Andrea
van Swol, Frank
BE Paulino, GH
Pindera, MJ
Dodds, RH
Rochinha, FA
Dave, EV
Chen, L
TI Shear flow on super-hydrophobic surfaces
SO MULTISCALE AND FUNCTIONALLY GRADED MATERIALS
SE AIP Conference Proceedings
LA English
DT Proceedings Paper
CT 9th International Conference on Multiscale and Functionally Graded
Materials
CY OCT 15-18, 2006
CL Oahu, HI
SP Univ Illinois, Urbana Champaign, Univ Virginia, Fed Univ Rio de Janeiro
DE super-hydrophobicity; shear flow; molecular dynamics
AB Super-hydrophobic surfaces, which exhibit large contact angles, can give rise to slip flow of aqueous fluids. We present our work on shear flow of atomistic fluids over simple super-hydrophobic surfaces. Molecular dynamic simulations are employed to investigate the flow field of fluid between two parallel surfaces, one of which is moving. Exploring a range of fluid thermodynamic state points, we demonstrate the influence of fluid phase and structure near the surfaces on prevalence, and degree, of slip at the super-hydrophobic surface.
C1 [Challa, Sivakurnar R.; van Swol, Frank] Univ New Mexico, Dept Chem & Nucl Engn, Albuquerque, NM 87131 USA.
[Truesdell, Richard; Vorobieff, Peter; Marnmoll, Andrea] Univ New Mexico, Albuquerque, NM 87131 USA.
[van Swol, Frank] Sandia Natl Labs, POB 5800, Albuquerque, NM 87185 USA.
RP Challa, SR (reprint author), Univ New Mexico, Dept Chem & Nucl Engn, Albuquerque, NM 87131 USA.
OI Vorobieff, Peter/0000-0003-0631-7263
FU UNM Center for High Performance Computing [2005006]; DOE office of Basic
Energy Sciences, Division of Material Sciences and Engineering; DOE
Office of Science; Sandia Corporation; LockheedMartin Company; U.S. DOE
[DE-AC04-94AL85000]
FX We acknowledge the computational support from the UNM Center for High
Performance Computing under Grant No. 2005006. This work is supported in
part by the DOE office of Basic Energy Sciences, Division of Material
Sciences and Engineering, the DOE Office of Science s Advanced
Scientific Computing Research (ASCR) program in Applied Mathematical
Sciences, and by Sandia s LDRD program.Sandia is a multiprogram
laboratory operated by Sandia Corporation, a LockheedMartin Company, for
the U.S. DOE under Contract No. DE-AC04-94AL85000.
NR 12
TC 0
Z9 0
U1 0
U2 0
PU AMER INST PHYSICS
PI MELVILLE
PA 2 HUNTINGTON QUADRANGLE, STE 1NO1, MELVILLE, NY 11747-4501 USA
SN 0094-243X
BN 978-0-7354-0492-2
J9 AIP CONF PROC
PY 2008
VL 973
BP 912
EP +
PG 2
WC Engineering, Manufacturing; Materials Science, Multidisciplinary;
Mathematics, Applied; Materials Science, Characterization & Testing
SC Engineering; Materials Science; Mathematics
GA BHN30
UT WOS:000254471400146
ER
PT S
AU Ingber, MS
Zabaleta, MU
Graham, AL
Challa, SR
van Swol, F
AF Ingber, Marc S.
Zabaleta, Milena Usablaga
Graham, Alan L.
Challa, Sivakurnar R.
van Swol, Frank
BE Paulino, GH
Pindera, MJ
Dodds, RH
Rochinha, FA
Dave, EV
Chen, L
TI On the interplay between hydrodynamic and solvation interactions
SO MULTISCALE AND FUNCTIONALLY GRADED MATERIALS
SE AIP Conference Proceedings
LA English
DT Proceedings Paper
CT 9th International Conference on Multiscale and Functionally Graded
Materials
CY OCT 15-18, 2006
CL Oahu, HI
SP Univ Illinois, Urbana Champaign, Univ Virginia, Fed Univ Rio de Janeiro
DE force-microscopy; hydrodynamics; simulations
ID SURFACE
AB We report on classical molecular dynamics simulations of large spheres moving toward a flat substrate and large spheres moving toward each other. The simulations are designed to investigate hydrodynamics at the molecular scale. They also address a familiar question underlying force microscope measurements: how does one properly separate hydrodynamic forces from hydration forces? We illustrate a new decomposition approach to extract the static and dynamic components from approaching- and receding-force curves that are obtained from simulations or experiments. We compare the dynamic force contribution to hydrodynamic predictions, and discuss the effects of surface roughness.
C1 [Ingber, Marc S.; Zabaleta, Milena Usablaga] Univ New Mexico, Dept Mech Engn, Albuquerque, NM 87131 USA.
[Graham, Alan L.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
[Challa, Sivakurnar R.; van Swol, Frank] Univ New Mexico, Dept Chem & Nucl Engn, Albuquerque, NM 87131 USA.
[van Swol, Frank] Sandia Natl Labs, POB 5800, Albuquerque, NM 87185 USA.
RP Ingber, MS (reprint author), Univ New Mexico, Dept Mech Engn, Albuquerque, NM 87131 USA.
FU UNM Center for High Performance Computing (HPC@UNM); DOE Office of
Science; Sandia Corporation; Lockheed-Martin Company; U.S. DOE
[DE-AC04-94AL85000]
FX We would like to thank acknowledge the computational support by the UNM
Center for High Performance Computing (HPC@UNM). This work is supported
in part by the DOE Office of Science's Advanced Scientific Computing
research (ASCR) program in Applied mathematical Sciences. Sandia is a
multi-program laboratory operated by Sandia Corporation, a
Lockheed-Martin Company, for the U.S. DOE under Contract
No.DE-AC04-94AL85000.
NR 6
TC 0
Z9 0
U1 0
U2 1
PU AMER INST PHYSICS
PI MELVILLE
PA 2 HUNTINGTON QUADRANGLE, STE 1NO1, MELVILLE, NY 11747-4501 USA
SN 0094-243X
BN 978-0-7354-0492-2
J9 AIP CONF PROC
PY 2008
VL 973
BP 919
EP +
PG 2
WC Engineering, Manufacturing; Materials Science, Multidisciplinary;
Mathematics, Applied; Materials Science, Characterization & Testing
SC Engineering; Materials Science; Mathematics
GA BHN30
UT WOS:000254471400147
ER
PT J
AU Parks, ML
Bochev, PB
Lehoucq, RB
AF Parks, Michael L.
Bochev, Pavel B.
Lehoucq, Richard B.
TI Connecting atomistic-to-continuum coupling and domain decomposition
SO MULTISCALE MODELING & SIMULATION
LA English
DT Article
DE atomistic-to-continuum; alternating Schwarz; lattice statics
ID FINITE-ELEMENT; SIMULATION; MECHANICS; SOLIDS; FLUID; APPROXIMATION;
DEFECTS; SCIENCE; MODELS; FLOW
AB Many atomistic/continuum coupling algorithms utilize an overlapping subdomain method, where boundary data for local solves in atomistic and discretized continuum subdomains is provided from local solves in neighboring subdomains. Such coupling algorithms are closely related to the classical alternating Schwarz domain decomposition method, although little to no convergence or error analysis exists for such methods in an atomistic/continuum framework. We consider a specific alternating Schwarz algorithm for coupling a nonlocal atomistic model with a local finite element model and carry out a convergence and error analysis along with supporting numerical experiments.
C1 [Parks, Michael L.; Bochev, Pavel B.; Lehoucq, Richard B.] Sandia Natl Labs, Albuquerque, NM 87185 USA.
RP Parks, ML (reprint author), Sandia Natl Labs, POB 5800,MS 1320, Albuquerque, NM 87185 USA.
EM mlparks@sandia.gov; pbboche@sandia.gov; rblehou@sandia.gov
RI Parks, Michael/A-2878-2008
NR 40
TC 30
Z9 30
U1 0
U2 1
PU SIAM PUBLICATIONS
PI PHILADELPHIA
PA 3600 UNIV CITY SCIENCE CENTER, PHILADELPHIA, PA 19104-2688 USA
SN 1540-3459
J9 MULTISCALE MODEL SIM
JI Multiscale Model. Simul.
PY 2008
VL 7
IS 1
BP 362
EP 380
DI 10.1137/070682848
PG 19
WC Mathematics, Interdisciplinary Applications; Physics, Mathematical
SC Mathematics; Physics
GA 309HV
UT WOS:000256452200016
ER
PT J
AU Badia, S
Parks, M
Bochev, P
Gunzburger, M
Lehoucq, R
AF Badia, Santiago
Parks, Michael
Bochev, Pavel
Gunzburger, Max
Lehoucq, Richard
TI On atomistic-to-continuum coupling by blending
SO MULTISCALE MODELING & SIMULATION
LA English
DT Article
DE atomistic-to-continuum coupling; blending methods; multiscale
simulation; coupling methods
ID APPROXIMATION; DEFECTS; SOLIDS; FORCE; MODEL
AB A mathematical framework for the coupling of atomistic and continuum models by blending them over a subdomain subject to a constraint is developed. Using the framework, four classes of atomistic-to-continuum (AtC) blending methods are established, their consistency is studied, and their relative merits are discussed. In addition, the framework helps clarify the origin of ghost forces and formalizes the notion of a patch test. Numerical experiments with the AtC methods are used to illustrate the theoretical results.
C1 [Badia, Santiago] Univ Politecn Cataluna, CIMNE, ES-08034 Barcelona, Spain.
[Badia, Santiago; Parks, Michael; Bochev, Pavel; Lehoucq, Richard] Sandia Natl Labs, Albuquerque, NM 87185 USA.
[Gunzburger, Max] Florida State Univ, Sch Computat Sci, Tallahassee, FL 32306 USA.
RP Badia, S (reprint author), Sandia Natl Labs, POB 5800,MS 1320, Albuquerque, NM 87185 USA.
EM sbadia@cimne.upc.edu; mlparks@sandia.gov; pbboche@sandia.gov;
gunzburg@csit.fsu.edu; rblehou@sandia.gov
RI Badia, Santiago/L-8565-2014
OI Badia, Santiago/0000-0003-2391-4086
NR 18
TC 52
Z9 52
U1 0
U2 7
PU SIAM PUBLICATIONS
PI PHILADELPHIA
PA 3600 UNIV CITY SCIENCE CENTER, PHILADELPHIA, PA 19104-2688 USA
SN 1540-3459
J9 MULTISCALE MODEL SIM
JI Multiscale Model. Simul.
PY 2008
VL 7
IS 1
BP 381
EP 406
DI 10.1137/07069969X
PG 26
WC Mathematics, Interdisciplinary Applications; Physics, Mathematical
SC Mathematics; Physics
GA 309HV
UT WOS:000256452200017
ER
PT J
AU Givon, D
Kevrekidis, IG
AF Givon, Dror
Kevrekidis, Ioannis G.
TI MULTISCALE INTEGRATION SCHEMES FOR JUMP-DIFFUSION SYSTEMS
SO MULTISCALE MODELING & SIMULATION
LA English
DT Article
DE jump-diffusion processes; multiscale integration schemes; averaging
ID STOCHASTIC DIFFERENTIAL-SYSTEMS; PROJECTIVE INTEGRATION;
STRONG-CONVERGENCE; CHEMICAL-KINETICS; SIMULATION; EQUATIONS; DYNAMICS
AB We study a two-time-scale system of jump-diffusion stochastic differential equations. We analyze a class of multiscale integration methods for these systems, which, in the spirit of [E. Vanden-Eijnden, Commun. Math. Sci., 1 (2003), pp. 385-391], consist of a hybridization between a standard solver for the slow components and short runs for the fast dynamics, which are used to estimate the effect that the fast components have on the slow ones. We obtain explicit bounds for the discrepancy between the results of the multiscale integration method and the slow components of the original system.
C1 [Givon, Dror] Univ Calif Berkeley, Dept Math, Berkeley, CA 94720 USA.
[Givon, Dror] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
[Kevrekidis, Ioannis G.] Princeton Univ, Dept Chem Engn PACM & Math, Princeton, NJ 08544 USA.
RP Givon, D (reprint author), Univ Calif Berkeley, Dept Math, Berkeley, CA 94720 USA.
EM givon@math.berkeley.edu; yannis@princeton.edu
NR 33
TC 3
Z9 3
U1 0
U2 2
PU SIAM PUBLICATIONS
PI PHILADELPHIA
PA 3600 UNIV CITY SCIENCE CENTER, PHILADELPHIA, PA 19104-2688 USA
SN 1540-3459
J9 MULTISCALE MODEL SIM
JI Multiscale Model. Simul.
PY 2008
VL 7
IS 2
BP 495
EP 516
DI 10.1137/070693473
PG 22
WC Mathematics, Interdisciplinary Applications; Physics, Mathematical
SC Mathematics; Physics
GA 371QW
UT WOS:000260847400001
ER
PT J
AU Caflisch, R
Wang, CM
Dimarco, G
Cohen, B
Dimits, A
AF Caflisch, Russel
Wang, Chiaming
Dimarco, Giacomo
Cohen, Bruce
Dimits, Andris
TI A HYBRID METHOD FOR ACCELERATED SIMULATION OF COULOMB COLLISIONS IN A
PLASMA
SO MULTISCALE MODELING & SIMULATION
LA English
DT Article
DE Coulomb collisions; plasma; simulation; hybrid method; bump on tail;
thermalization
ID FOKKER-PLANCK EQUATION; PARTICLE-SIMULATION; ALGORITHMS
AB If the collisional time scale for Coulomb collisions is comparable to the characteristic time scales for a plasma, then simulation of Coulomb collisions may be important for computation of kinetic plasma dynamics. This can be a computational bottleneck because of the large number of simulated particles and collisions (or phase-space resolution requirements in continuum algorithms), as well as the wide range of collision rates over the velocity distribution function. This paper considers Monte Carlo simulation of Coulomb collisions using the binary collision models of Takizuka and Abe and of Nanbu. It presents a hybrid method for accelerating the computation of Coulomb collisions. The hybrid method represents the velocity distribution function as a combination of a thermal component (a Maxwellian distribution) and a kinetic component (a set of discrete particles). Collisions between particles from the thermal component preserve the Maxwellian; collisions between particles from the kinetic component are performed using the method of Takizuka and Abe or of Nanbu. Collisions between the kinetic and thermal components are performed by sampling a particle from the thermal component and selecting a particle from the kinetic component. Particles are also transferred between the two components according to thermalization and dethermalization probabilities, which are functions of phase space.
C1 [Caflisch, Russel; Wang, Chiaming] Univ Calif Los Angeles, Dept Math, Los Angeles, CA 90095 USA.
[Dimarco, Giacomo] Univ Ferrara, Dept Math, I-44100 Ferrara, Italy.
[Cohen, Bruce; Dimits, Andris] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
RP Caflisch, R (reprint author), Univ Calif Los Angeles, Dept Math, Los Angeles, CA 90095 USA.
EM caflisch@math.ucla.edu; cmwang@math.ucla.edu; dmrgcm@unife.it;
bcohen@llnl.gov; dimits1@llnl.gov
OI Dimarco, Giacomo/0000-0001-6186-3633
FU U.S. DOE by the University of California, Los Angeles
[DE-FG02-05ER25710]; Lawrence Livermore National Laboratory
[DE-AC52-07NA27344]; Office of Advanced Scientific Computing Research,
DOE Office of Science
FX Received by the editors October 9, 2007; accepted for publication (in
revised form) May 5, 2008; published electronically August 20, 2008.
This work was performed under the auspices of the U.S. DOE by the
University of California, Los Angeles, under grant DE-FG02-05ER25710,
and by Lawrence Livermore National Laboratory under contract
DE-AC52-07NA27344. This work was supported by the Office of Advanced
Scientific Computing Research, DOE Office of Science, under the
Multiscale Initiative Program. The U.S. Government retains a
nonexclusive, royalty-free license to publish or reproduce the published
form in this contribution, or allow others to do so, for U.S. Government
purposes. Copyright is owned by SIAM to the extent not limited by these
rights.
NR 16
TC 16
Z9 16
U1 0
U2 2
PU SIAM PUBLICATIONS
PI PHILADELPHIA
PA 3600 UNIV CITY SCIENCE CENTER, PHILADELPHIA, PA 19104-2688 USA
SN 1540-3459
EI 1540-3467
J9 MULTISCALE MODEL SIM
JI Multiscale Model. Simul.
PY 2008
VL 7
IS 2
BP 865
EP 887
DI 10.1137/070704939
PG 23
WC Mathematics, Interdisciplinary Applications; Physics, Mathematical
SC Mathematics; Physics
GA 371QW
UT WOS:000260847400016
ER
PT J
AU Williams, SA
Bell, JB
Garcia, AL
AF Williams, Sarah A.
Bell, John B.
Garcia, Alejandro L.
TI ALGORITHM REFINEMENT FOR FLUCTUATING HYDRODYNAMICS
SO MULTISCALE MODELING & SIMULATION
LA English
DT Article
DE stochastic Navier-Stokes equations; multiscale hybrid algorithm;
computational fluid dynamics; direct simulation Monte Carlo; adaptive
mesh refinement
AB This paper introduces an adaptive mesh and algorithm refinement method for fluctuating hydrodynamics. This particle-continuum hybrid simulates the dynamics of a compressible fluid with thermal fluctuations. The particle algorithm is direct simulation Monte Carlo (DSMC), a molecular-level scheme based on the Boltzmann equation. The continuum algorithm is based on the Landau-Lifshitz Navier-Stokes (LLNS) equations, which incorporate thermal fluctuations into macroscopic hydrodynamics by using stochastic fluxes. It uses a recently developed solver for the LLNS equations based on third-order Runge-Kutta. We present numerical tests of systems in and out of equilibrium, including time-dependent systems, and demonstrate dynamic adaptive refinement by the computation of a moving shock wave. Mean system behavior and second moment statistics of our simulations match theoretical values and benchmarks well. We find that particular attention should be paid to the spectrum of the flux at the interface between the particle and continuum methods, specifically for the nonhydrodynamic (kinetic) time scales.
C1 [Williams, Sarah A.] Univ N Carolina, Dept Math, Chapel Hill, NC 27599 USA.
[Bell, John B.] Univ Calif Berkeley, Lawrence Berkeley Lab, Ctr Computat Sci & Engn, Berkeley, CA 94720 USA.
[Garcia, Alejandro L.] San Jose State Univ, Dept Phys, San Jose, CA 95192 USA.
RP Williams, SA (reprint author), Univ N Carolina, Dept Math, Phillips Hall CB 3250, Chapel Hill, NC 27599 USA.
EM saw@email.unc.edu; jbbell@lbl.gov; algarcia@algarcia.org
FU DOE Office of Mathematics, Information, and Computational Sciences under
the U.S. Department of Energy [DE-AC02-05CH11231]
FX This work was supported in part by the Applied Mathematics Program of
the DOE Office of Mathematics, Information, and Computational Sciences
under the U.S. Department of Energy under contract DE-AC02-05CH11231.
NR 56
TC 18
Z9 18
U1 1
U2 19
PU SIAM PUBLICATIONS
PI PHILADELPHIA
PA 3600 UNIV CITY SCIENCE CENTER, PHILADELPHIA, PA 19104-2688 USA
SN 1540-3459
J9 MULTISCALE MODEL SIM
JI Multiscale Model. Simul.
PY 2008
VL 6
IS 4
BP 1256
EP 1280
DI 10.1137/070696180
PG 25
WC Mathematics, Interdisciplinary Applications; Physics, Mathematical
SC Mathematics; Physics
GA V18ZM
UT WOS:000208042700007
ER
PT J
AU Sankaranarayanan, K
Wassom, JS
AF Sankaranarayanan, K.
Wassom, J. S.
TI Reflections on the impact of advances in the assessment of genetic risks
of exposure to ionizing radiation on international radiation protection
recommendations between the mid-1950s and the present
SO MUTATION RESEARCH-REVIEWS IN MUTATION RESEARCH
LA English
DT Review
DE ionizing radiation; genetic risk assessment; radiation protection; ICRP;
UNSCEAR; history of science
ID SPONTANEOUS MUTATION-RATES; ATOMIC-BOMB SURVIVORS; LINEAR-NO-THRESHOLD;
MULTIFACTORIAL DISEASES; RADIOLOGICAL PROTECTION; MENDELIAN DISEASES;
HUMAN-POPULATIONS; IMPAIRED LIFE; DOSE RATE; COMPONENT
AB Efforts at protecting people against the harmful effects of radiation had their beginnings in the early 1900s with the intent of protecting individuals in medicine and associated professions. Such efforts remain vital for all of us more than 100 years later as part of our 'learning to live with ionizing radiation.' The field of radiation protection has evolved slowly over time with advances in knowledge on hereditary (i.e., genetic) and carcinogenic effects of radiation continually improving our ability to make informed judgments about how best to balance risks against benefits of radiation exposure. This paper examines just one aspect of these efforts, namely, how advances in knowledge of genetic effects of radiation have impacted on the recommendations of the International Commission on Radiological Protection (ICRP). The focus is on the period from the mid-1950s (when genetic risk estimates were first made) to 2007. This article offers a detailed historical analysis and personal perspective, and concludes with a synopsis of key developments in radiation protection. (c) 2007 Elsevier B.V. All rights reserved.
C1 [Sankaranarayanan, K.] Leiden Univ, Med Ctr, Dept Toxicogenet, NL-2300 RC Leiden, Netherlands.
[Wassom, J. S.] Oak Ridge Natl Lab, Oak Ridge, TN 37830 USA.
RP Sankaranarayanan, K (reprint author), Lange Voort 235, NL-2343 CE Oegstgeest, Netherlands.
EM sankaranarayan@kpnplanet.ni
NR 100
TC 7
Z9 7
U1 0
U2 3
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 1383-5742
J9 MUTAT RES-REV MUTAT
JI Mutat. Res.-Rev. Mutat. Res.
PD JAN-FEB
PY 2008
VL 658
IS 1-2
BP 1
EP 27
DI 10.1016/j.mrrev.2007.10.004
PG 27
WC Biotechnology & Applied Microbiology; Genetics & Heredity; Toxicology
SC Biotechnology & Applied Microbiology; Genetics & Heredity; Toxicology
GA 269QV
UT WOS:000253664900001
PM 18096428
ER
PT J
AU Fan, ZY
Ho, JC
Jacobson, ZA
Yerushalmi, R
Alley, RL
Razavi, H
Javey, A
AF Fan, Zhiyong
Ho, Johnny C.
Jacobson, Zachery A.
Yerushalmi, Role
Alley, Robert L.
Razavi, Haleh
Javey, Ali
TI Wafer-scale assembly of highly ordered semiconductor nanowire arrays by
contact printing
SO NANO LETTERS
LA English
DT Article
ID FIELD-EFFECT TRANSISTORS; CARBON NANOTUBES; GERMANIUM NANOWIRES;
BUILDING-BLOCKS; ALIGNED ARRAYS; LOGIC GATES; ELECTRONICS; INTEGRATION;
HETEROSTRUCTURES; DEVICES
AB Controlled and uniform assembly of "bottom-up" nanowire (NW) materials with high scalability presents one of the significant bottleneck challenges facing the integration of nanowires for electronic applications. Here, we demonstrate wafer-scale assembly of highly ordered, dense, and regular arrays of NWs with high uniformity and reproducibility through a simple contact printing process. The assembled NW pitch is shown to be readily modulated through the surface chemical treatment of the receiver substrate, with the highest density approaching similar to 8 Wpm, similar to 95% directional alignment, and wafer-scale uniformity. Such fine control in the assembly is attained by applying a lubricant during the contact printing process which significantly minimizes the NW-NW mechanical interactions, therefore enabling well-controlled transfer of nanowires through surface chemical binding interactions. Furthermore, we demonstrate that our printing approach enables large-scale integration of NW arrays for various device structures on both rigid silicon and flexible plastic substrates, with a controlled semiconductor channel width ranging from a single NW (similar to 10 nm) up to similar to 250 mu m, consisting of a parallel array of over 1250 NWs and delivering over 1 mA of ON current.
C1 [Fan, Zhiyong; Ho, Johnny C.; Jacobson, Zachery A.; Yerushalmi, Role; Alley, Robert L.; Razavi, Haleh; Javey, Ali] Univ Calif Berkeley, Dept Elect Engn & Comp Sci, Berkeley, CA 94720 USA.
[Fan, Zhiyong; Ho, Johnny C.; Jacobson, Zachery A.; Yerushalmi, Role; Javey, Ali] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Mat Sci, Berkeley, CA 94720 USA.
RP Javey, A (reprint author), Univ Calif Berkeley, Dept Elect Engn & Comp Sci, Berkeley, CA 94720 USA.
EM ajavey@eecs.berkeley.edu
RI Fan, Zhiyong/C-4970-2012; 李, 府中/H-4357-2011; Ho, Johnny/K-5275-2012;
Javey, Ali/B-4818-2013;
OI Ho, Johnny/0000-0003-3000-8794; Fan, Zhiyong/0000-0002-5397-0129
NR 32
TC 310
Z9 311
U1 13
U2 138
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 1530-6984
J9 NANO LETT
JI Nano Lett.
PD JAN
PY 2008
VL 8
IS 1
BP 20
EP 25
DI 10.1021/nl071626r
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 249VI
UT WOS:000252257700004
PM 17696563
ER
PT J
AU Prasher, R
Tong, T
Majumdar, A
AF Prasher, Ravi
Tong, Tao
Majumdar, Arun
TI Approximate analytical models for phonon specific heat and ballistic
thermal conductance of nanowires
SO NANO LETTERS
LA English
DT Article
ID CARBON NANOTUBES; QUANTUM WIRES; CONDUCTIVITY
AB We introduce simple approximate analytical models for phonon specific heat and ballistic thermal conductance of nanowires. The analytical model is in excellent agreement with the detailed numerical calculations based on the solution of the elastic wave equation and is also in good agreement with the ballistic thermal conductance data by Schwab et al. (Nature 2000, 404, 974). Finally, we propose a demarcating criterion in terms of temperature, dimension, and material properties to capture the dimensional crossover from a three-dimensional (3D) bulk system to a one-dimensional (1D) system.
C1 [Prasher, Ravi] Intel Corp, Chandler, AZ 85226 USA.
[Prasher, Ravi] Arizona State Univ, Dept Mech & Aerosp Engn, Tempe, AZ 85281 USA.
[Tong, Tao; Majumdar, Arun] Univ Calif Berkeley, Dept Mech Engn, Berkeley, CA 94720 USA.
[Majumdar, Arun] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Mat Sci, Berkeley, CA 94720 USA.
RP Prasher, R (reprint author), Intel Corp, CH5-157,5000 W Chandler Blvd, Chandler, AZ 85226 USA.
EM ravi.s.prasher@intel.com
NR 16
TC 39
Z9 39
U1 1
U2 12
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 1530-6984
J9 NANO LETT
JI Nano Lett.
PD JAN
PY 2008
VL 8
IS 1
BP 99
EP 103
DI 10.1021/nl0721665
PG 5
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 249VI
UT WOS:000252257700017
PM 18085809
ER
PT J
AU Wegner, D
Yamachika, R
Wang, Y
Brar, VW
Bartlett, BM
Long, JR
Crommie, MF
AF Wegner, Daniel
Yamachika, Ryan
Wang, Yayu
Brar, Victor W.
Bartlett, Bart M.
Long, Jeffrey R.
Crommie, Michael F.
TI Single-molecule charge transfer and bonding at an organic/inorganic
interface: Tetracyanoethylene on noble metals
SO NANO LETTERS
LA English
DT Article
ID SCANNING TUNNELING MICROSCOPE; CUBIC TETRACYANOETHYLENE; MAGNETS;
SURFACE; CU(111); SPECTROSCOPY; REFINEMENT; CHEMISTRY; ATOMS; TCNE
AB We have studied the structural and electronic properties of tetracyanoethylene (TCNE) molecules on different noble-metal surfaces using scanning tunneling spectroscopy and density functional theory. Striking differences are observed in the TCNE behavior on Au, Ag, and Cu substrates in the submonolayer limit. We explain our findings by a combination of charge-transfer and lattice-matching properties for TCNE across substrates that results in a strong variation of molecule-molecule and molecule-substrate interactions. These results have significant implications for future organic/inorganic nanoscopic devices incorporating molecule-based magnetism.
C1 [Wegner, Daniel; Yamachika, Ryan; Wang, Yayu; Brar, Victor W.; Crommie, Michael F.] Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA.
[Wegner, Daniel; Yamachika, Ryan; Wang, Yayu; Brar, Victor W.; Crommie, Michael F.] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Mat Sci, Berkeley, CA 94720 USA.
[Bartlett, Bart M.; Long, Jeffrey R.] Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA.
RP Wegner, D (reprint author), Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA.
EM wegner@berkeley.edu; crommie@berkeley.edu
RI Wegner, Daniel/G-3545-2011; Bartlett, Bart/F-1233-2013; Wegner,
Daniel/F-9700-2015
OI Bartlett, Bart/0000-0001-8298-5963;
NR 29
TC 66
Z9 66
U1 1
U2 35
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 1530-6984
J9 NANO LETT
JI Nano Lett.
PD JAN
PY 2008
VL 8
IS 1
BP 131
EP 135
DI 10.1021/nl072217y
PG 5
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 249VI
UT WOS:000252257700023
PM 18069869
ER
PT J
AU Zhao, YF
Lusk, MT
Dillon, AC
Heben, MJ
Zhang, SB
AF Zhao, Yufeng
Lusk, Mark T.
Dillon, Anne C.
Heben, Michael J.
Zhang, Shengbai B.
TI Boron-based organometallic nanostructures: Hydrogen storage properties
and structure stability
SO NANO LETTERS
LA English
DT Article
ID TI; REACTIVITY; ADSORPTION; NANOTUBES; SURFACE; ENERGY; OXIDES
AB Transition-metal (TM) boride and carboride nanostructures are studied as model organometallic materials for hydrogen storage. The dispersed TM atoms function as H-2 sorption centers on the surface of the boron or carbon-boron substrate. The flexibility offered in the variety of possible structures permits the study of the effect of the TM-TM distance on the storage capacity. When the TMs are too close to one another, TM-TM bonding reduces the capacity. Even when separated by distances larger than the normal TM-TM bond length, delocalization of TM valence electrons can still lower the hydrogen capacity. An optimal TM-TM distance for the structural motifs studied here is similar to 6 angstrom. Our study also permitted the evaluation of new TM boride nanostructures. We predict a low-energy single-walled scandium triboride (ScB3) nanotube that can bind similar to 6.1 wt % hydrogen with a binding energy of 22 similar to 26 kJ/mol.
C1 [Zhao, Yufeng; Dillon, Anne C.; Heben, Michael J.; Zhang, Shengbai B.] Natl Renewable Energy Lab, Golden, CO 80401 USA.
[Lusk, Mark T.] Colorado Sch Mines, Dept Phys, Golden, CO 80401 USA.
RP Zhao, YF (reprint author), Natl Renewable Energy Lab, Golden, CO 80401 USA.
EM yufeng_zhao@nrel.gov
RI Krausnick, Jennifer/D-6291-2013; Zhang, Shengbai/D-4885-2013
OI Zhang, Shengbai/0000-0003-0833-5860
NR 31
TC 68
Z9 68
U1 1
U2 13
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 1530-6984
EI 1530-6992
J9 NANO LETT
JI Nano Lett.
PD JAN
PY 2008
VL 8
IS 1
BP 157
EP 161
DI 10.1021/nl072321f
PG 5
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 249VI
UT WOS:000252257700028
PM 18069871
ER
PT J
AU Nikitin, A
Li, XL
Zhang, ZY
Ogasawara, H
Dai, HJ
Nilsson, A
AF Nikitin, Anton
Li, Xiaolin
Zhang, Zhiyong
Ogasawara, Hirohito
Dai, Hongjie
Nilsson, Anders
TI Hydrogen storage in carbon nanotubes through the formation of stable C-H
bonds
SO NANO LETTERS
LA English
DT Article
ID ATOMIC-HYDROGEN; SOLIDS; RANGE; GAS
AB To determine if carbon-based materials can be used for hydrogen storage, we have studied hydrogen chemisorption in single-walled carbon nanotubes. Using atomic hydrogen as the hydrogenation agent, we demonstrated that maximal degree of nanotube hydrogenation depends on the nanotube diameter, and for the diameter values around 2.0 nm nanotube-hydrogen complexes with close to 100% hydrogenation exist and are stable at room temperature. This means that specific carbon nanotubes can have a hydrogen storage capacity of more than 7 wt % through the formation of reversible C-H bonds.
C1 [Nikitin, Anton; Ogasawara, Hirohito; Nilsson, Anders] Stanford Synchrotron Radiat Lab, Menlo Pk, CA 94025 USA.
[Li, Xiaolin; Zhang, Zhiyong; Dai, Hongjie] Stanford Univ, Dept Chem, Stanford, CA 94305 USA.
[Nilsson, Anders] Stockholm Univ, Albanova Univ Ctr, FYSIKUM, S-10691 Stockholm, Sweden.
RP Nilsson, A (reprint author), Stanford Synchrotron Radiat Lab, 2575 Sand Hill Rd, Menlo Pk, CA 94025 USA.
EM nilsson@slac.stanford.edu
RI Nilsson, Anders/E-1943-2011; Ogasawara, Hirohito/D-2105-2009
OI Nilsson, Anders/0000-0003-1968-8696; Ogasawara,
Hirohito/0000-0001-5338-1079
NR 30
TC 121
Z9 123
U1 1
U2 35
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 1530-6984
J9 NANO LETT
JI Nano Lett.
PD JAN
PY 2008
VL 8
IS 1
BP 162
EP 167
DI 10.1021/nl072325k
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 249VI
UT WOS:000252257700029
PM 18088150
ER
PT J
AU Bogan, MJ
Benner, WH
Boutet, S
Rohner, U
Frank, M
Barty, A
Seibert, MM
Maia, F
Marchesini, S
Bajt, S
Woods, B
Riot, V
Hau-Riege, SP
Svenda, M
Marklund, E
Spiller, E
Hajdu, J
Chapman, HN
AF Bogan, Michael J.
Benner, W. Henry
Boutet, Sebastien
Rohner, Urs
Frank, Matthias
Barty, Anton
Seibert, M. Marvin
Maia, Filipe
Marchesini, Stefano
Bajt, Sasa
Woods, Bruce
Riot, Vincent
Hau-Riege, Stefan P.
Svenda, Martin
Marklund, Erik
Spiller, Eberhard
Hajdu, Janos
Chapman, Henry N.
TI Single particle X-ray diffractive imaging
SO NANO LETTERS
LA English
DT Article
ID FREE-ELECTRON LASER; AEROSOL MASS-SPECTROMETRY; CONTROLLED DIMENSIONS;
AERODYNAMIC LENSES; NOZZLE EXPANSIONS; IONIZATION; NANOPARTICLES; VIRUS;
BEAMS; SIZE
AB In nanotechnology, strategies for the creation and manipulation of nanoparticles in the gas phase are critically important for surface modification and substrate-free characterization. Recent coherent diffractive imaging with intense femtosecond X-ray pulses has verified the capability of single-shot imaging of nanoscale objects at suboptical resolutions beyond the radiation-induced damage threshold. By intercepting electrospray-generated particles with a single 15 femtosecond soft-X-ray pulse, we demonstrate diffractive imaging of a nanoscale specimen in free flight for the first time, an important step toward imaging uncrystallized biomolecules.
C1 [Bogan, Michael J.; Benner, W. Henry; Boutet, Sebastien; Rohner, Urs; Frank, Matthias; Barty, Anton; Marchesini, Stefano; Bajt, Sasa; Woods, Bruce; Riot, Vincent; Hau-Riege, Stefan P.; Chapman, Henry N.] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
[Boutet, Sebastien] Stanford Linear Accelerator Ctr, Stanford Synchrotron Radiat Lab, Stanford, CA 94305 USA.
[Boutet, Sebastien; Seibert, M. Marvin; Maia, Filipe; Marklund, Erik; Hajdu, Janos] Uppsala Univ, Inst Cell & Mol Biol, Mol Biophys Lab, S-75124 Uppsala, Sweden.
[Spiller, Eberhard] Spiller Xray Opt, Livermore, CA 94550 USA.
[Chapman, Henry N.] Univ Hamburg, Ctr Free Elect Laser Sci, D-22607 Hamburg, Germany.
RP Bogan, MJ (reprint author), Lawrence Livermore Natl Lab, 7000 E Ave, Livermore, CA 94550 USA.
EM bogan2@llnl.gov
RI Marchesini, Stefano/A-6795-2009; Chapman, Henry/G-2153-2010; Bajt,
Sasa/G-2228-2010; Marklund, Erik/G-7480-2012; Bogan, Mike/I-6962-2012;
Rocha Neves Couto Maia, Filipe/C-3146-2014; Barty, Anton/K-5137-2014;
Frank, Matthias/O-9055-2014;
OI Chapman, Henry/0000-0002-4655-1743; Marklund, Erik/0000-0002-9804-5009;
Bogan, Mike/0000-0001-9318-3333; Rocha Neves Couto Maia,
Filipe/0000-0002-2141-438X; Barty, Anton/0000-0003-4751-2727; Seibert,
Mark Marvin/0000-0003-0251-0744
NR 38
TC 144
Z9 145
U1 0
U2 40
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 1530-6984
J9 NANO LETT
JI Nano Lett.
PD JAN
PY 2008
VL 8
IS 1
BP 310
EP 316
DI 10.1021/nl072728k
PG 7
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 249VI
UT WOS:000252257700055
PM 18095739
ER
PT S
AU Lu, M
Ocola, LE
Divan, R
Mancini, DC
AF Lu, Ming
Ocola, Leonidas E.
Divan, Ralu
Mancini, Derrick C.
BE Dobisz, EA
Eldada, LA
TI Fabrication of High-aspect-ratio Hard X-ray Zone Plates with HSQ Plating
Molds
SO NANOENGINEERING: FABRICATION, PROPERTIES, OPTICS, AND DEVICES V
SE Proceedings of SPIE
LA English
DT Proceedings Paper
CT Conference on Nanoengineering - Fabrication, Properties, Optics and
Devices V
CY AUG 13-14, 2008
CL San Diego, CA
SP SPIE
DE Fresnel zone plate; high-aspect-ratio; hard x-ray; electron beam
lithography; HSQ
ID HYDROGEN SILSESQUIOXANE; LITHOGRAPHY; CONTRAST; RESIST; OPTIMIZATION;
PERFORMANCE
AB Fresnel zone plates are important x-ray diffractive optics which offer a focusing resolution approaching the theoretical limit. In hard x-ray region, the refractive indices of all the materials are close to unity, which requests thick zone plate to achieve a reasonable efficiency. It makes high-resolution zone plate extremely difficult to fabricate due to its high aspect ratio. We report a LIGA-like fabrication process employing e-beam resist HSQ as the plating mold material, which is relative simply compared with traditional processes. 1-mu m-thick gold zone plates with 80-nm-wide outermost zone have been fabricated with this process.
C1 [Lu, Ming; Ocola, Leonidas E.; Divan, Ralu; Mancini, Derrick C.] Argonne Natl Lab, Ctr Nanoscale Mat, Argonne, IL 60439 USA.
RP Lu, M (reprint author), Argonne Natl Lab, Ctr Nanoscale Mat, 9700 S Cass Ave, Argonne, IL 60439 USA.
EM mlu@anl.gov
OI Ocola, Leonidas/0000-0003-4990-1064
NR 25
TC 1
Z9 1
U1 0
U2 1
PU SPIE-INT SOC OPTICAL ENGINEERING
PI BELLINGHAM
PA 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA
SN 0277-786X
BN 978-0-8194-7259-5
J9 PROC SPIE
PY 2008
VL 7039
AR 70390V
DI 10.1117/12.796839
PG 10
WC Engineering, Electrical & Electronic; Nanoscience & Nanotechnology;
Instruments & Instrumentation; Optics
SC Engineering; Science & Technology - Other Topics; Instruments &
Instrumentation; Optics
GA BIU61
UT WOS:000262945300021
ER
PT S
AU Martin, LA
Mancini, DC
Rich, LE
Divan, R
AF Martin, Lane A.
Mancini, Derrick C.
Rich, Lauren E.
Divan, Ralu
BE Dobisz, EA
Eldada, LA
TI Synthesis and Patterning of Hydrogel-Nanoparticle Composites
SO NANOENGINEERING: FABRICATION, PROPERTIES, OPTICS, AND DEVICES V
SE PROCEEDINGS OF THE SOCIETY OF PHOTO-OPTICAL INSTRUMENTATION ENGINEERS
(SPIE)
LA English
DT Proceedings Paper
CT Conference on Nanoengineering - Fabrication, Properties, Optics and
Devices V
CY AUG 13-14, 2008
CL San Diego, CA
SP SPIE
ID CROSS-LINKING; GELS
AB We have developed a novel method for patterning nanoscale composite hydrogel materials on silicon through electron beam lithography. Gold particles were introduced into poly N-isopropylacrylamide (PNIPAam) patterned by e-beam lithography. By including BAC, the polymer can covalently bond to the colloidal gold nanoparticles. Such composites can be stable for long periods of time. We describe the structure, quality, and properties of the resulting patterned hydrogel-nanoparticle composite films.
C1 [Martin, Lane A.; Mancini, Derrick C.; Rich, Lauren E.; Divan, Ralu] Argonne Natl Lab, Ctr Nanoscale Mat, Argonne, IL 60439 USA.
RP Martin, LA (reprint author), Argonne Natl Lab, Ctr Nanoscale Mat, 9700 S Cass Ave, Argonne, IL 60439 USA.
NR 10
TC 0
Z9 0
U1 0
U2 1
PU SPIE-INT SOC OPTICAL ENGINEERING
PI BELLINGHAM
PA 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA
SN 0277-786X
BN 978-0-8194-7259-5
J9 P SOC PHOTO-OPT INS
PY 2008
VL 7039
AR 703917
DI 10.1117/12.796803
PG 10
WC Engineering, Electrical & Electronic; Nanoscience & Nanotechnology;
Instruments & Instrumentation; Optics
SC Engineering; Science & Technology - Other Topics; Instruments &
Instrumentation; Optics
GA BIU61
UT WOS:000262945300027
ER
PT S
AU Orendorff, CJ
Barker, JM
Rowen, AM
Yelton, WG
Arrington, CL
Gillen, JR
AF Orendorff, Chirstopher J.
Barker, Joy M.
Rowen, Adam M.
Yelton, W. Graham
Arrington, Christian L.
Gillen, J. Rusty
BE Dobisz, EA
Eldada, LA
TI A wet chemistry approach to sub-micron, removable flip chip
interconnects
SO NANOENGINEERING: FABRICATION, PROPERTIES, OPTICS, AND DEVICES V
SE PROCEEDINGS OF THE SOCIETY OF PHOTO-OPTICAL INSTRUMENTATION ENGINEERS
(SPIE)
LA English
DT Proceedings Paper
CT Conference on Nanoengineering - Fabrication, Properties, Optics and
Devices V
CY AUG 13-14, 2008
CL San Diego, CA
SP SPIE
DE Nanosphere lithography; flip chip; 3D stacking; bump bond;
electroplating; electrodeposition
ID NANOSPHERE LITHOGRAPHY; NANOPARTICLE; FABRICATION; TECHNOLOGY;
THICKNESS; ARRAYS
AB Higher performance is the main driver in the integrated circuit (IQ market, but along with added function comes the cost of increased input/output connections and larger die sizes. Space saving approaches aimed at solving these challenges includes two technologies; 3D stacking (3D-ICs) and flip chip assemblies. Emerging ICs require sub-micron scale interconnects which include vias for 3D-ICs and bump bonds for flip chips. Photolithographic techniques are commonly used to prepare templates followed by metal vapor deposition to create flip chip bump bonds. Both the lithography step and the metal properties required for bump bonding contribute to limiting this approach to a minimum bump size of similar to 10 pm. Here, we present a wet chemistry approach to fabricating uniform bump bonds of tunable size and height down to the nanoscale. Nanosphere lithography (NSL), a "soft" lithographic technique, is used to create a bump bond template or mask for nanoscale bumps. Electrochemical deposition is also used through photoresist templates to create uniform bump bonds across large area wafers or dies. This template approach affords bumps with tunable diameters from 100s of nanometers to microns (allowing for tunable interconnect pitch and via diameters) while the use of constant current electoplating gives uniform bump height over large areas (>1 cm(2)).
C1 [Orendorff, Chirstopher J.] Sandia Natl Labs, Adv Power Sources Res & Dev Dept, Albuquerque, NM 87185 USA.
RP Orendorff, CJ (reprint author), Sandia Natl Labs, Adv Power Sources Res & Dev Dept, POB 5800, Albuquerque, NM 87185 USA.
NR 16
TC 0
Z9 0
U1 0
U2 2
PU SPIE-INT SOC OPTICAL ENGINEERING
PI BELLINGHAM
PA 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA
SN 0277-786X
BN 978-0-8194-7259-5
J9 P SOC PHOTO-OPT INS
PY 2008
VL 7039
AR 70390R
DI 10.1117/12.795287
PG 11
WC Engineering, Electrical & Electronic; Nanoscience & Nanotechnology;
Instruments & Instrumentation; Optics
SC Engineering; Science & Technology - Other Topics; Instruments &
Instrumentation; Optics
GA BIU61
UT WOS:000262945300017
ER
PT J
AU Das, SK
Choi, SUS
Yu, WH
Pradeep, T
AF Das, Sarit K.
Choi, Stephen U. S.
Yu, Wenhua
Pradeep, T.
BA Das, SK
Choi, SUS
Yu, WH
Pradeep, T
BF Das, SK
Choi, SUS
Yu, WH
Pradeep, T
TI NANOFLUIDS Science and Technology Introduction
SO NANOFLUIDS: SCIENCE AND TECHNOLOGY
LA English
DT Editorial Material; Book Chapter
ID EFFECTIVE THERMAL-CONDUCTIVITY; BOILING HEAT-TRANSFER; CARBON NANOTUBE
COMPOSITES; TRANSFER ENHANCEMENT; SPHERICAL-PARTICLES; AQUEOUS
SUSPENSIONS; INTERFACIAL LAYERS; MODEL; FLUIDS; POOL
C1 [Das, Sarit K.; Pradeep, T.] Indian Inst Technol, Madras 600036, Tamil Nadu, India.
[Choi, Stephen U. S.] Univ Illinois, Chicago, IL USA.
[Choi, Stephen U. S.] Korea Atom Energy Res Inst, Taejon, South Korea.
[Yu, Wenhua] Argonne Natl Lab, Argonne, IL 60439 USA.
RP Das, SK (reprint author), Indian Inst Technol, Madras 600036, Tamil Nadu, India.
NR 96
TC 6
Z9 6
U1 0
U2 0
PU BLACKWELL SCIENCE PUBL
PI OXFORD
PA OSNEY MEAD, OXFORD OX2 0EL, ENGLAND
BN 978-0-470-18069-3
PY 2008
BP 1
EP 37
PG 37
WC Nanoscience & Nanotechnology; Physics, Fluids & Plasmas
SC Science & Technology - Other Topics; Physics
GA BCJ55
UT WOS:000310290000002
ER
PT J
AU Das, SK
Choi, SUS
Yu, WH
Pradeep, T
AF Das, Sarit K.
Choi, Stephen U. S.
Yu, Wenhua
Pradeep, T.
BA Das, SK
Choi, SUS
Yu, WH
Pradeep, T
BF Das, SK
Choi, SUS
Yu, WH
Pradeep, T
TI NANOFLUIDS Science and Technology PREFACE
SO NANOFLUIDS: SCIENCE AND TECHNOLOGY
LA English
DT Editorial Material; Book Chapter
ID IN-OIL MICROEMULSIONS; SIZE-CONTROLLED SYNTHESIS; MONODISPERSE PALLADIUM
NANOPARTICLES; COLLOIDAL PLATINUM NANOPARTICLES; SHAPE-CONTROLLED
SYNTHESIS; TRANSITION-METAL OXIDES; GERMANIUM QUANTUM DOTS; WET CHEMICAL
SYNTHESIS; AOT REVERSE MICELLES; MAGNETIC-PROPERTIES
C1 [Das, Sarit K.; Pradeep, T.] Indian Inst Technol, Madras 600036, Tamil Nadu, India.
[Choi, Stephen U. S.] Univ Illinois, Chicago, IL USA.
[Choi, Stephen U. S.] Korea Atom Energy Res Inst, Taejon, South Korea.
[Yu, Wenhua] Argonne Natl Lab, Argonne, IL 60439 USA.
RP Das, SK (reprint author), Indian Inst Technol, Madras 600036, Tamil Nadu, India.
NR 204
TC 0
Z9 0
U1 0
U2 0
PU BLACKWELL SCIENCE PUBL
PI OXFORD
PA OSNEY MEAD, OXFORD OX2 0EL, ENGLAND
BN 978-0-470-18069-3
PY 2008
BP IX
EP +
PG 16
WC Nanoscience & Nanotechnology; Physics, Fluids & Plasmas
SC Science & Technology - Other Topics; Physics
GA BCJ55
UT WOS:000310290000001
ER
PT J
AU Das, SK
Choi, SUS
Yu, WH
Pradeep, T
AF Das, Sarit K.
Choi, Stephen U. S.
Yu, Wenhua
Pradeep, T.
BA Das, SK
Choi, SUS
Yu, WH
Pradeep, T
BF Das, SK
Choi, SUS
Yu, WH
Pradeep, T
TI Synthesis of Nanofluids
SO NANOFLUIDS: SCIENCE AND TECHNOLOGY
LA English
DT Article; Book Chapter
ID CORE-SHELL NANOPARTICLES; MICROWAVE-HYDROTHERMAL SYNTHESIS; WALLED
CARBON NANOTUBES; PROTECTED CLUSTER SUPERLATTICES; SELF-ASSEMBLED
MONOLAYERS; IRON-OXIDE NANOPARTICLES; GOLD NANOPARTICLES;
MAGNETIC-PROPERTIES; METAL NANOPARTICLES; OPTICAL-PROPERTIES
C1 [Das, Sarit K.; Pradeep, T.] Indian Inst Technol, Madras 600036, Tamil Nadu, India.
[Choi, Stephen U. S.] Univ Illinois, Chicago, IL USA.
[Choi, Stephen U. S.] Korea Atom Energy Res Inst, Taejon, South Korea.
[Yu, Wenhua] Argonne Natl Lab, Argonne, IL 60439 USA.
RP Das, SK (reprint author), Indian Inst Technol, Madras 600036, Tamil Nadu, India.
NR 236
TC 0
Z9 0
U1 0
U2 0
PU BLACKWELL SCIENCE PUBL
PI OXFORD
PA OSNEY MEAD, OXFORD OX2 0EL, ENGLAND
BN 978-0-470-18069-3
PY 2008
BP 39
EP 100
PG 62
WC Nanoscience & Nanotechnology; Physics, Fluids & Plasmas
SC Science & Technology - Other Topics; Physics
GA BCJ55
UT WOS:000310290000003
ER
PT J
AU Das, SK
Choi, SUS
Yu, WH
Pradeep, T
AF Das, Sarit K.
Choi, Stephen U. S.
Yu, Wenhua
Pradeep, T.
BA Das, SK
Choi, SUS
Yu, WH
Pradeep, T
BF Das, SK
Choi, SUS
Yu, WH
Pradeep, T
TI Conduction Heat Transfer in Nanofluids
SO NANOFLUIDS: SCIENCE AND TECHNOLOGY
LA English
DT Article; Book Chapter
ID THERMAL-CONDUCTIVITY; AQUEOUS SUSPENSIONS; CARBON NANOTUBES;
ENHANCEMENT; PARTICLES; NANOPARTICLES; DISPERSIONS
C1 [Das, Sarit K.; Pradeep, T.] Indian Inst Technol, Madras 600036, Tamil Nadu, India.
[Choi, Stephen U. S.] Univ Illinois, Chicago, IL USA.
[Choi, Stephen U. S.] Korea Atom Energy Res Inst, Taejon, South Korea.
[Yu, Wenhua] Argonne Natl Lab, Argonne, IL 60439 USA.
RP Das, SK (reprint author), Indian Inst Technol, Madras 600036, Tamil Nadu, India.
NR 36
TC 1
Z9 1
U1 0
U2 0
PU BLACKWELL SCIENCE PUBL
PI OXFORD
PA OSNEY MEAD, OXFORD OX2 0EL, ENGLAND
BN 978-0-470-18069-3
PY 2008
BP 101
EP 165
PG 65
WC Nanoscience & Nanotechnology; Physics, Fluids & Plasmas
SC Science & Technology - Other Topics; Physics
GA BCJ55
UT WOS:000310290000004
ER
PT J
AU Das, SK
Choi, SUS
Yu, WH
Pradeep, T
AF Das, Sarit K.
Choi, Stephen U. S.
Yu, Wenhua
Pradeep, T.
BA Das, SK
Choi, SUS
Yu, WH
Pradeep, T
BF Das, SK
Choi, SUS
Yu, WH
Pradeep, T
TI Theoretical Modeling of Thermal Conductivity in Nanofluids
SO NANOFLUIDS: SCIENCE AND TECHNOLOGY
LA English
DT Article; Book Chapter
ID CARBON NANOTUBE COMPOSITES; NANOPARTICLE-FLUID MIXTURE; DC
ELECTRICAL-CONDUCTIVITY; DIELECTRIC-CONSTANT; HEAT-TRANSFER;
POROUS-MEDIA; INHOMOGENEOUS MATERIALS; HETEROGENEOUS MIXTURES; SPHERICAL
INCLUSIONS; TRANSPORT-PROPERTIES
C1 [Das, Sarit K.; Pradeep, T.] Indian Inst Technol, Madras 600036, Tamil Nadu, India.
[Choi, Stephen U. S.] Univ Illinois, Chicago, IL USA.
[Choi, Stephen U. S.] Korea Atom Energy Res Inst, Taejon, South Korea.
[Yu, Wenhua] Argonne Natl Lab, Argonne, IL 60439 USA.
RP Das, SK (reprint author), Indian Inst Technol, Madras 600036, Tamil Nadu, India.
NR 117
TC 1
Z9 1
U1 0
U2 0
PU BLACKWELL SCIENCE PUBL
PI OXFORD
PA OSNEY MEAD, OXFORD OX2 0EL, ENGLAND
BN 978-0-470-18069-3
PY 2008
BP 167
EP 208
PG 42
WC Nanoscience & Nanotechnology; Physics, Fluids & Plasmas
SC Science & Technology - Other Topics; Physics
GA BCJ55
UT WOS:000310290000005
ER
PT J
AU Das, SK
Choi, SUS
Yu, WH
Pradeep, T
AF Das, Sarit K.
Choi, Stephen U. S.
Yu, Wenhua
Pradeep, T.
BA Das, SK
Choi, SUS
Yu, WH
Pradeep, T
BF Das, SK
Choi, SUS
Yu, WH
Pradeep, T
TI Convection in Nanofluids
SO NANOFLUIDS: SCIENCE AND TECHNOLOGY
LA English
DT Article; Book Chapter
ID HEAT-TRANSFER ENHANCEMENT; FORCED-CONVECTION; THERMAL-CONDUCTIVITY;
LAMINAR-FLOW; SPHERICAL-PARTICLES; NATURAL-CONVECTION; AXIAL-DISPERSION;
CHANNEL FLOW; NANO-FLUIDS; TUBE
C1 [Das, Sarit K.; Pradeep, T.] Indian Inst Technol, Madras 600036, Tamil Nadu, India.
[Choi, Stephen U. S.] Univ Illinois, Chicago, IL USA.
[Choi, Stephen U. S.] Korea Atom Energy Res Inst, Taejon, South Korea.
[Yu, Wenhua] Argonne Natl Lab, Argonne, IL 60439 USA.
RP Das, SK (reprint author), Indian Inst Technol, Madras 600036, Tamil Nadu, India.
NR 63
TC 0
Z9 0
U1 0
U2 0
PU BLACKWELL SCIENCE PUBL
PI OXFORD
PA OSNEY MEAD, OXFORD OX2 0EL, ENGLAND
BN 978-0-470-18069-3
PY 2008
BP 209
EP 296
PG 88
WC Nanoscience & Nanotechnology; Physics, Fluids & Plasmas
SC Science & Technology - Other Topics; Physics
GA BCJ55
UT WOS:000310290000006
ER
PT J
AU Das, SK
Choi, SUS
Yu, WH
Pradeep, T
AF Das, Sarit K.
Choi, Stephen U. S.
Yu, Wenhua
Pradeep, T.
BA Das, SK
Choi, SUS
Yu, WH
Pradeep, T
BF Das, SK
Choi, SUS
Yu, WH
Pradeep, T
TI Boiling of Nanofluids
SO NANOFLUIDS: SCIENCE AND TECHNOLOGY
LA English
DT Article; Book Chapter
ID HEAT-TRANSFER; NANO-FLUIDS; POOL; SURFACE; WATER; LIQUIDS; TUBES; FLUX
C1 [Das, Sarit K.; Pradeep, T.] Indian Inst Technol, Madras 600036, Tamil Nadu, India.
[Choi, Stephen U. S.] Univ Illinois, Chicago, IL USA.
[Choi, Stephen U. S.] Korea Atom Energy Res Inst, Taejon, South Korea.
[Yu, Wenhua] Argonne Natl Lab, Argonne, IL 60439 USA.
RP Das, SK (reprint author), Indian Inst Technol, Madras 600036, Tamil Nadu, India.
NR 31
TC 0
Z9 0
U1 0
U2 1
PU BLACKWELL SCIENCE PUBL
PI OXFORD
PA OSNEY MEAD, OXFORD OX2 0EL, ENGLAND
BN 978-0-470-18069-3
PY 2008
BP 297
EP 335
PG 39
WC Nanoscience & Nanotechnology; Physics, Fluids & Plasmas
SC Science & Technology - Other Topics; Physics
GA BCJ55
UT WOS:000310290000007
ER
PT J
AU Das, SK
Choi, SUS
Yu, WH
Pradeep, T
AF Das, Sarit K.
Choi, Stephen U. S.
Yu, Wenhua
Pradeep, T.
BA Das, SK
Choi, SUS
Yu, WH
Pradeep, T
BF Das, SK
Choi, SUS
Yu, WH
Pradeep, T
TI Applications and Future Directions
SO NANOFLUIDS: SCIENCE AND TECHNOLOGY
LA English
DT Article; Book Chapter
ID HEAT-TRANSFER ENHANCEMENT; THERMAL-CONDUCTIVITY ENHANCEMENT; SINK
PERFORMANCE; NANO-FLUIDS; NANOFLUIDS; NANOPARTICLES; FLOW; WATER; PIPE;
SUSPENSIONS
C1 [Das, Sarit K.; Pradeep, T.] Indian Inst Technol, Madras 600036, Tamil Nadu, India.
[Choi, Stephen U. S.] Univ Illinois, Chicago, IL USA.
[Choi, Stephen U. S.] Korea Atom Energy Res Inst, Taejon, South Korea.
[Yu, Wenhua] Argonne Natl Lab, Argonne, IL 60439 USA.
RP Das, SK (reprint author), Indian Inst Technol, Madras 600036, Tamil Nadu, India.
NR 41
TC 1
Z9 1
U1 0
U2 1
PU BLACKWELL SCIENCE PUBL
PI OXFORD
PA OSNEY MEAD, OXFORD OX2 0EL, ENGLAND
BN 978-0-470-18069-3
PY 2008
BP 337
EP 352
PG 16
WC Nanoscience & Nanotechnology; Physics, Fluids & Plasmas
SC Science & Technology - Other Topics; Physics
GA BCJ55
UT WOS:000310290000008
ER
PT S
AU Valiev, RZ
Semenova, IP
Jakushina, E
Latysh, VV
Rack, H
Lowe, TC
Petruzelka, J
Dulhos, L
Hrusak, D
Sochova, J
AF Valiev, R. Z.
Semenova, I. P.
Jakushina, E.
Latysh, V. V.
Rack, H.
Lowe, T. C.
Petruzelka, J.
Dulhos, L.
Hrusak, D.
Sochova, J.
BE Estrin, Y
Maier, HJ
TI Nanostructured SPD processed titanium for medical implants
SO NANOMATERIALS BY SEVERE PLASTIC DEFORMATION IV, PTS 1 AND 2
SE Materials Science Forum
LA English
DT Proceedings Paper
CT 4th International Conference on Nanomaterials by Severe Plastic
Deformation
CY AUG 18-22, 2008
CL Goslar, GERMANY
DE nanotitanium; fatigue properties; severe plastic deformation; biological
tests; implants
ID SEVERE PLASTIC-DEFORMATION; HIGH-PRESSURE TORSION
AB Nanostructured titanium (nTi) with essential enhanced strength and fatigue characteristics is an advanced material for dental implant applications. Nano Ti is commercially pure titanium, that was nanostructured by a special technique of severe plastic deformation. It is bio inert, does not contain even potentially toxic or allergenetic additives and has significantly higher specific strength properties than any other titanium applied in dental implants. Cylindrical threaded screw implants Nanoimplant (R) sized 2.4 mm in diameter and 12 mm in length were made from nTi. It is the first application of nTi dental implant in the world reported. Recently more than 250 successful clinical applications dealing with surgery on the font teeth were carried out. No complications were noticed during the early postoperative period and early loading. Laboratory cytocompatibility tests undertaken so far on mice fibroblast cells have indicated that nanocrystalline Ti surface has a significantly better property for cell colonisation and healing of tissue consequently.
C1 [Valiev, R. Z.; Semenova, I. P.; Jakushina, E.] Ufa State Aviat Tech Univ, Inst Phys Adv Mat, 12 K Marx Str, Ufa 450000, Russia.
[Latysh, V. V.] Innovat Sci & Tech Ctr Iskra, Ufa 450077, Russia.
[Rack, H.] Clemson Univ, Sch Mat Sci & Engn, Clemson, SC 29634 USA.
[Lowe, T. C.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
[Petruzelka, J.] Tech Univ Ostrava, VSB, FS, CZ-70833 Ostrava, Czech Republic.
RP Valiev, RZ (reprint author), Ufa State Aviat Tech Univ, Inst Phys Adv Mat, 12 K Marx Str, Ufa 450000, Russia.
EM RZValiev@mail.rb.ru; Semenova-ip@mail.ru; enja2@yandex.ru;
Latysh-vv@mail.ru; RACKH@exchange.clemson.edu; tlowe@lanl.gov;
jiri.petruzelka@vsb.cz; timplant@timplant.cz; HRUSAK@fnplzen.cz;
sochova@timplant.cz
NR 12
TC 35
Z9 36
U1 8
U2 14
PU TRANS TECH PUBLICATIONS LTD
PI DURNTEN-ZURICH
PA KREUZSTRASSE 10, 8635 DURNTEN-ZURICH, SWITZERLAND
SN 0255-5476
J9 MATER SCI FORUM
PY 2008
VL 584-586
BP 49
EP 54
PN 1-2
PG 6
WC Nanoscience & Nanotechnology; Materials Science, Multidisciplinary;
Materials Science, Characterization & Testing
SC Science & Technology - Other Topics; Materials Science
GA BIH03
UT WOS:000259440800008
ER
PT S
AU Raaba, GI
Valiev, RZ
Gunderov, DV
Lowe, TC
Misra, A
Zhu, YT
AF Raaba, G. I.
Valiev, R. Z.
Gunderov, D. V.
Lowe, T. C.
Misra, A.
Zhu, Y. T.
BE Estrin, Y
Maier, HJ
TI Long-length ultrafine-grained titanium rods produced by ECAP-Conform
SO NANOMATERIALS BY SEVERE PLASTIC DEFORMATION IV, PTS 1 AND 2
SE Materials Science Forum
LA English
DT Proceedings Paper
CT 4th International Conference on Nanomaterials by Severe Plastic
Deformation
CY AUG 18-22, 2008
CL Goslar, GERMANY
DE severe plastic deformation; ECAP-Conform; grain refinement; titanium
ID PURE TI; MICROSTRUCTURE; EXTRUSION
AB A new technique of continuous severe plastic deformation (SPD)-processing, i.e. ECAP (equal channel angular pressing)-Conform is applied for the first time to produce long-length rods of commercial purity Ti with ultrafine-grained structure. The paper reports on the results of investigation of the microstructure and mechanical properties of Ti rods processed by ECAP-Conform and the following wire drawing.
C1 [Raaba, G. I.; Valiev, R. Z.; Gunderov, D. V.] Ufa State Aviat Tech Univ, Inst Phys Adv Mat, 12 K Marx St, Ufa 450000, Russia.
[Lowe, T. C.; Misra, A.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
[Zhu, Y. T.] North Carolina State Univ, Dept Mat Sci & Engn, Raleigh, NC 27695 USA.
RP Raaba, GI (reprint author), Ufa State Aviat Tech Univ, Inst Phys Adv Mat, 12 K Marx St, Ufa 450000, Russia.
EM giraab@mail.ru; rzvaliev@mail.rb.ru; dimagun@mail.ru; tlowe@lanl.gov;
amisra@lanl.gov; ytzhu@ncsu.edu
RI Zhu, Yuntian/B-3021-2008
OI Zhu, Yuntian/0000-0002-5961-7422
FU Federal Target Program of Russian Federation Government [3208]
FX The present work was partly supported by the Federal Target Program of
Russian Federation Government and the ISTC project No.3208, through
DOE-GIPP program. Acknowledgements are made to A.V. Polyakov and E.P.
Soshnikova for help provided during studies.
NR 12
TC 22
Z9 22
U1 0
U2 7
PU TRANS TECH PUBLICATIONS LTD
PI DURNTEN-ZURICH
PA KREUZSTRASSE 10, 8635 DURNTEN-ZURICH, SWITZERLAND
SN 0255-5476
J9 MATER SCI FORUM
PY 2008
VL 584-586
BP 80
EP 85
PN 1-2
PG 6
WC Nanoscience & Nanotechnology; Materials Science, Multidisciplinary;
Materials Science, Characterization & Testing
SC Science & Technology - Other Topics; Materials Science
GA BIH03
UT WOS:000259440800013
ER
PT S
AU Habas, SE
Mokari, T
AF Habas, Susan E.
Mokari, Taleb
BE Gaburro, Z
Cabrini, S
Talapin, D
TI Novel Hybrid Nanostructures for Photonic and Energy Applications - art.
no. 703002
SO NANOPHOTONIC MATERIALS V
SE PROCEEDINGS OF THE SOCIETY OF PHOTO-OPTICAL INSTRUMENTATION ENGINEERS
(SPIE)
LA English
DT Proceedings Paper
CT Conference on Nanophotonic Materials V
CY AUG 10-12, 2008
CL San Diego, CA
SP SPIE
ID COLLOIDAL SYNTHESIS; METAL; NANOPARTICLES; NANOCRYSTALS; NANORODS;
GROWTH; RODS
AB There has been significant interest in the development of multicomponent nanocrystals formed by the assembly of two or more different materials with control over size, shape, composition, and spatial orientation. In particular, the selective growth of metals on the tips of semiconductor nanorods and wires can act to couple the electrical and optical properties of semiconductors with the unique properties of various metals. Here, we outline our progress on the solution-phase synthesis of metal-semiconductor heterojunctions formed by the growth of Au, Pt, or other binary catalytic metal systems on Cd- and Pb-calcogenide nanocrystals.
C1 [Habas, Susan E.; Mokari, Taleb] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
RP Habas, SE (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, 1 Cyclotron Rd, Berkeley, CA 94720 USA.
RI MOKARI, TALEB/F-1685-2012
NR 15
TC 0
Z9 0
U1 0
U2 1
PU SPIE-INT SOC OPTICAL ENGINEERING
PI BELLINGHAM
PA 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA
SN 0277-786X
BN 978-0-8194-7250-2
J9 P SOC PHOTO-OPT INS
PY 2008
VL 7030
BP 3002
EP 3002
DI 10.1117/12.801201
PG 9
WC Nanoscience & Nanotechnology; Materials Science, Characterization &
Testing; Optics
SC Science & Technology - Other Topics; Materials Science; Optics
GA BIL90
UT WOS:000260634300002
ER
PT J
AU Carey, VP
Chen, G
Grigoropoulos, C
Kaviany, M
Majumdar, A
AF Carey, V. P.
Chen, G.
Grigoropoulos, C.
Kaviany, M.
Majumdar, A.
TI A review of heat transfer physics
SO NANOSCALE AND MICROSCALE THERMOPHYSICAL ENGINEERING
LA English
DT Review
DE phonon; electron; fluid particle; photon; heat transfer physics;
nano-and micro heat transfer; laser-base nano-processing; laser cooling
of solids; nanoscale thermal radiation; molecular dynamics;
thermophysical engineering; thermal transport
ID LIQUID-VAPOR INTERFACE; THERMAL-BOUNDARY RESISTANCE; TRANSIENT
THERMOREFLECTANCE TECHNIQUE; MOLECULAR-DYNAMICS EXPLORATION;
SUPERSATURATED GAS-MIXTURES; BOSE-EINSTEIN CONDENSATION; POST-NUCLEATION
GROWTH; WALL CARBON NANOTUBE; LENNARD-JONES FLUID; ROOM-TEMPERATURE
AB With rising science contents of the engineering research and education, we give examples of the quest for fundamental understanding of heat transfer at the atomic level. These include transport as well as interactions (energy conversion) involving phonon, electron, fluid particle, and photon (or electromagnetic wave). Examples are
1. development of MD and DSMC fluid simulations as tools in nanoscale and microscale thermophysical engineering.
2. nanoscale thermal radiation, where the characteristic structural size becomes comparable to or smaller than the radiation (electromagnetic) wavelength.
3. laser-based nanoprocessing, where the surface topography, texture, etc., are modified with nanometer lateral feature definition using pulsed laser beams and confining optical energy by coupling to near-field scanning optical microscopes.
4. photon-electron-phonon couplings in laser cooling of solids, where the thermal vibrational energy (phonon) is removed by the anti-Stokes fluorescence; i.e., the photons emitted by an optical material have a mean energy higher than that of the absorbed photons.
5. exploring the limits of thermal transport in nanostructured materials using spectrally dependent phonon scattering and vibrational spectra mismatching, to impede a particular phonon bands.
These examples suggest that the atomic-level heat transfer builds on and expands electromagnetism (EM), atomic-molecular-optical physics, and condensed-matter physics. The theoretical treatments include ab initio calculations, molecular dynamics simulations, Boltzmann transport theory, and near-field EM thermal emission prediction. Experimental methods include near-field microscopy.
Heat transfer physics describes the kinetics of storage, transport, and transformation of microscale energy carriers (phonon, electron,fluid particle, and photon). Sensible heat is stored in the thermal motion of atoms in various phases of matter. The atomic energy states and their populations are described by the classical and the quantum statistical mechanics (partition function and combinatoric energy distribution probabilities). Transport of thermal energy by the microscale carriers is based on their particle, quasi-particle, and wave descriptions; their diffusion, flow, and propagation, and their scattering and transformation encountered as they travel. The mechanisms of energy transitions among these energy carriers, and their rates (kinetics), are governed by the match of their energies, their interaction probabilities, and the various hindering-mechanism rate (kinetics) limits. Conservation of energy describes the interplay among energy storage, transport, and conversion,from the atomic to the continuum scales.
With advances in micro- and nanotechnology, heat transfer engineering of micro- and nanostructured systems has offered new opportunities for research and education. New journals, including Nanoscale and Microscale Thermophysical Engineering, have allowed communication of new specific/general as well directly useful/educational ideas on heat transfer physics. In an effort to give a more collective perspective of such contribution, here we put together a collection on small-scale heat transfer involving phonon, electron, fluid particle, and photon. These are
1. Development of MD and DSMC fluid simulations as tools in nanoscale and microscale thermophysical engineering (Carey)
2. Nanoscale thermal radiation (Chen)
3. Laser-based nanoprocessing (Grigoropoulos)
4. Photon-electron-phonon couplings in laser cooling of solids (Kaviany)
5. Exploring the limits of thermal transport in nanostructured materials (Majumdar).
C1 [Kaviany, M.] Univ Michigan, Dept Mech Engn, Ann Arbor, MI 48109 USA.
[Carey, V. P.; Grigoropoulos, C.; Majumdar, A.] Univ Calif Berkeley, Dept Mech Engn, Berkeley, CA 94720 USA.
[Chen, G.] MIT, Dept Mech Engn, Cambridge, MA 02139 USA.
[Grigoropoulos, C.; Majumdar, A.] Lawrence Berkeley Natl Lab, USA, Div Mat Sci, Berkeley, CA USA.
RP Kaviany, M (reprint author), Univ Michigan, Dept Mech Engn, Ann Arbor, MI 48109 USA.
EM kaviany@umich.edu
RI Han, Kyuhee/B-6201-2009; Chen, Gang/J-1325-2014
OI Chen, Gang/0000-0002-3968-8530
NR 183
TC 53
Z9 53
U1 10
U2 163
PU TAYLOR & FRANCIS INC
PI PHILADELPHIA
PA 530 WALNUT STREET, STE 850, PHILADELPHIA, PA 19106 USA
SN 1556-7265
EI 1556-7273
J9 NANOSC MICROSC THERM
JI Nanoscale Microscale Thermophys. Eng.
PD JAN-MAR
PY 2008
VL 12
IS 1
BP 1
EP 60
DI 10.1080/15567260801917520
PG 60
WC Thermodynamics; Engineering, Mechanical; Nanoscience & Nanotechnology;
Materials Science, Characterization & Testing; Physics, Applied
SC Thermodynamics; Engineering; Science & Technology - Other Topics;
Materials Science; Physics
GA 290KN
UT WOS:000255121800001
ER
PT J
AU Hopkins, PE
Duda, JC
Salaway, RN
Smoyer, JL
Norris, PM
AF Hopkins, Patrick E.
Duda, John C.
Salaway, Richard N.
Smoyer, Justin L.
Norris, Pamela M.
TI Effects of Intra- and Interband Transitions on Electron-Phonon Coupling
and Electron Heat Capacity After Short-Pulsed Laser Heating
SO NANOSCALE AND MICROSCALE THERMOPHYSICAL ENGINEERING
LA English
DT Article; Proceedings Paper
CT 6th Japan-United States Joint Seminar on Nanoscale Transport Phenomena
Science and Engineering
CY JUL 13-16, 2008
CL Boston, MA
DE intraband transitions; interband transitions; electron heat capacity;
electron-phonon coupling factor; Fermi smearing; two-temperature model;
short pulsed laser heating
ID TEMPERATURE MEASUREMENT; LATTICE; METALS; FILMS; SUPERCONDUCTORS;
RELAXATION; DYNAMICS; COPPER; NICKEL; NI
AB This work considers the effects of intra- and direct interband transitions on electron heat capacity and the electron-phonon coupling factor in metals. In the event of an interband transition, the population of the electron bands around the Fermi level will change, affecting the electron density of states and subsequently the thermophysical properties. In the event of photon-induced interband transitions, this repopulation can occur even at relatively low temperatures. This introduces a photon energy-dependent population term into density of states calculations when examining the effects of direct interband transitions on electron heat capacity and the electron-phonon coupling factor in temperature regimes where traditionally only intraband transitions are considered. Example calculations are shown for copper and the two-temperature model is solved using the interband-dependent values of electron heat capacity and electron-phonon coupling factor to examine the effect of these transitions on the transient electron temperature after short-pulsed laser heating.
C1 [Hopkins, Patrick E.] Sandia Natl Labs, Engn Sci Ctr, Albuquerque, NM 87185 USA.
[Duda, John C.; Salaway, Richard N.; Smoyer, Justin L.; Norris, Pamela M.] Univ Virginia, Dept Mech & Aerosp Engn, Charlottesville, VA USA.
RP Hopkins, PE (reprint author), Sandia Natl Labs, Engn Sci Ctr, POB 5800, Albuquerque, NM 87185 USA.
EM pehopki@sandia.gov
RI Duda, John/A-7214-2011
NR 29
TC 12
Z9 12
U1 0
U2 8
PU TAYLOR & FRANCIS INC
PI PHILADELPHIA
PA 325 CHESTNUT ST, SUITE 800, PHILADELPHIA, PA 19106 USA
SN 1556-7265
J9 NANOSC MICROSC THERM
JI Nanoscale Microscale Thermophys. Eng.
PY 2008
VL 12
IS 4
BP 320
EP 333
AR PII 906656674
DI 10.1080/15567260802591985
PG 14
WC Thermodynamics; Engineering, Mechanical; Nanoscience & Nanotechnology;
Materials Science, Characterization & Testing; Physics, Applied
SC Thermodynamics; Engineering; Science & Technology - Other Topics;
Materials Science; Physics
GA 383LG
UT WOS:000261674500004
ER
PT S
AU Nazaretski, E
Pelekhov, DV
Martin, I
Cha, KC
Akhadov, EA
Hammel, PC
Movshovich, R
AF Nazaretski, Evgueni
Pelekhov, Denis V.
Martin, Ivar
Cha, Kitty C.
Akhadov, Elshan A.
Hammel, P. Chris
Movshovich, Roman
BE Degertekin, L
TI Localized Ferromagnetic Resonance Force Microscopy of a Continuous
Permalloy-Cobalt Film
SO NANOSCALE PHENOMENA IN FUNCTIONAL MATERIALS BY SCANNING PROBE MICROSCOPY
SE Materials Research Society Symposium Proceedings
LA English
DT Proceedings Paper
CT Meeting of the Materials-Research-Society / Symposium B - Nanoscale
Phenomena in Functional Materials by Scanning Probe Microscopy
CY NOV 26-30, 2007
CL Boston, MA
SP Mat Res Soc
ID NUCLEAR-MAGNETIC-RESONANCE
AB We report on the Magnetic Resonance Force Microscopy (MRFM) experiments performed on a 50 nm thick permalloy and a combined 20 nm thick permalloy - cobalt film. We studied the evolution of the MRFM spectra as a function of the vertical probe-sample distance and the lateral position as probe was scanned across the permalloy/cobalt interface. Our numerical simulations of the ferromagnetic resonance (FMR) modes excited in the presence of a non-uniform tip field of the cantilever compare well with experimental findings. This work demonstrates the capability of MRFM to perform local FMR spectroscopy of different materials in continuous ferromagnetic films.
C1 [Nazaretski, Evgueni; Martin, Ivar; Cha, Kitty C.; Akhadov, Elshan A.; Movshovich, Roman] Los Alamos Natl Lab, POB 1663, Los Alamos, NM 87545 USA.
[Pelekhov, Denis V.; Hammel, P. Chris] Ohio State Univ, Columbus, OH 43210 USA.
RP Nazaretski, E (reprint author), Los Alamos Natl Lab, POB 1663, Los Alamos, NM 87545 USA.
RI Hammel, P Chris/O-4845-2014
OI Hammel, P Chris/0000-0002-4138-4798
FU US Department of Energy; U.S. Department of Energy [DE-AC5206NA25396];
US Department of Energy [DE-FG02-03ER46054]
FX This work was supported by the US Department of Energy and was
performed, in part, at the Center for Integrated Nanotechnologies, a
U.S. Department of Energy, Office of Basic Energy Sciences user
facility. 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 U.S. Department
of Energy under contract DE-AC5206NA25396. Personnel at the Ohio State
University was supported by the US Department of Energy through grant
DE-FG02-03ER46054.
NR 13
TC 0
Z9 0
U1 0
U2 1
PU MATERIALS RESEARCH SOC
PI WARRENDALE
PA 506 KEYSTONE DRIVE, WARRENDALE, PA 15088-7563 USA
SN 0272-9172
BN 978-1-60560-814-3
J9 MATER RES SOC SYMP P
PY 2008
VL 1025
DI 10.1557/PROC-1025-B11-18
PG 6
WC Nanoscience & Nanotechnology; Materials Science, Multidisciplinary
SC Science & Technology - Other Topics; Materials Science
GA BDJ86
UT WOS:000313567200009
ER
PT S
AU Yongsunthon, R
Vellano, FP
Lower, BH
Fowler, VG
Alexander, E
Lower, SK
AF Yongsunthon, Ruchirej
Vellano, Francis Paul
Lower, Brian H.
Fowler, Vance G.
Alexander, Emily
Lower, Steven K.
BE Degertekin, L
TI Nanoscale Forces at the Heart of Staphylococcus Infections
SO NANOSCALE PHENOMENA IN FUNCTIONAL MATERIALS BY SCANNING PROBE MICROSCOPY
SE Materials Research Society Symposium Proceedings
LA English
DT Proceedings Paper
CT Meeting of the Materials-Research-Society / Symposium B - Nanoscale
Phenomena in Functional Materials by Scanning Probe Microscopy
CY NOV 26-30, 2007
CL Boston, MA
SP Mat Res Soc
ID FIBRONECTIN-BINDING; AUREUS BACTEREMIA; IN-SITU; PROTEIN; BACTERIUM;
SURFACE; SPECTROSCOPY; ENDOCARDITIS; CANTILEVERS; ADHESION
AB Staphylococcus aureus is one of the most frequently isolated bacteria from infected medical implants. S. aureus has the capacity to adhere to the surface of an implant where it forms a biofilm. We used atomic force microscopy to probe binding forces between a fibronectin-coated tip and isolates of S. aureus, which were obtained from either patients with infected prostheses or healthy humans. A unique force-signature was observed for binding events between the tip and the cells. There is a strong distinction (p=0.01) in the binding force-signature observed for S. aureus isolated from the infected vs. healthy populations. This observation suggests a fundamental correlation between nanometer scale binding forces and the clinical outcome of patients with implanted medical devices.
C1 [Yongsunthon, Ruchirej] Corning Inc, Corning, NY 14831 USA.
[Yongsunthon, Ruchirej; Vellano, Francis Paul; Lower, Steven K.] Ohio State Univ, Columbus, OH 43210 USA.
[Lower, Brian H.] Pacific NW Natl Lab, Richland, WA 99352 USA.
[Fowler, Vance G.; Alexander, Emily] Duke Univ, Durham, NC 27710 USA.
RP Yongsunthon, R (reprint author), Corning Inc, Corning, NY 14831 USA.
RI Lower, Steven/A-2440-2008
OI Lower, Steven/0000-0001-9796-0830
FU National Science Foundation
FX Pat McPhail, Mike Newell, John Tedesco, Peter Kilner, and Mike Maybrun
at Veeco Metrology provided valuable technical support. This research
was supported by the National Science Foundation. B.H.L. acknowledges
the Department of Energy BES Program and the Environmental Molecular
Sciences Laboratory at PNNL. S. K. L acknowledges the support of J.
Tak.R.Y. acknowledges the support of CSY.
NR 22
TC 0
Z9 0
U1 0
U2 0
PU MATERIALS RESEARCH SOC
PI WARRENDALE
PA 506 KEYSTONE DRIVE, WARRENDALE, PA 15088-7563 USA
SN 0272-9172
BN 978-1-60560-814-3
J9 MATER RES SOC SYMP P
PY 2008
VL 1025
DI 10.1557/PROC-1025-B04-10
PG 6
WC Nanoscience & Nanotechnology; Materials Science, Multidisciplinary
SC Science & Technology - Other Topics; Materials Science
GA BDJ86
UT WOS:000313567200002
ER
PT S
AU Zurbuchen, TH
Patel, P
Fisk, LA
Zank, G
Malhotra, R
Funsten, HO
Mewaldt, RA
AF Zurbuchen, T. H.
Patel, P.
Fisk, L. A.
Zank, G.
Malhotra, R.
Funsten, H. O.
Mewaldt, R. A.
BE Allen, MS
TI Leaving the Heliosphere: A Nuclear-Powered Interstellar Probe
SO NASA SPACE SCIENCE VISION MISSIONS
SE Progress in Astronautics and Aeronautics
LA English
DT Article; Book Chapter
ID WIND TERMINATION SHOCK; SOLAR-WIND; COSMIC-RAYS; OUTER HELIOSPHERE;
HYDROGEN-ATOMS; RADIO-EMISSION; KUIPER-BELT; SYSTEM; CLOUD; DUST
C1 [Zurbuchen, T. H.; Patel, P.; Fisk, L. A.] Univ Michigan, Ann Arbor, MI 48109 USA.
[Zank, G.] Univ Calif Riverside, Riverside, CA 92521 USA.
[Malhotra, R.] Univ Arizona, Tucson, AZ USA.
[Funsten, H. O.] Los Alamos Natl Lab, Los Alamos, NM USA.
[Mewaldt, R. A.] CALTECH, Pasadena, CA 91125 USA.
RP Zurbuchen, TH (reprint author), Univ Michigan, Ann Arbor, MI 48109 USA.
NR 69
TC 1
Z9 1
U1 0
U2 0
PU AMER INST AERONAUTICS & ASTRONAUTICS
PI RESTON
PA 1801 ALEXANDER BELL DR, STE 500, RESTON, VA 20191-4344 USA
SN 0079-6050
BN 978-1-56347-934-2
J9 PROG ASTRONAUT AERON
PY 2008
VL 224
BP 155
EP 189
PG 35
WC Engineering, Aerospace; Astronomy & Astrophysics
SC Engineering; Astronomy & Astrophysics
GA BJU77
UT WOS:000267213900006
ER
PT S
AU Boggs, S
Wunderer, C
Zoglauer, A
Dermer, C
Kurfess, J
Novikova, EI
Phlips, B
Wulf, E
Bloser, P
McConnell, M
Ryan, J
Aprile, E
Gehrels, N
Sturner, S
Hoover, A
Kippen, M
Klimenk, A
Tournear, D
Hartmann, D
Leising, M
Baring, M
Kocevski, D
Oberlack, U
Polsen, M
Zych, A
Harris, M
Weidenspointner, G
Milne, P
Beacom, J
Bildsten, L
Hernanz, M
Smith, D
Starrfield, S
AF Boggs, Steven
Wunderer, Cornelia
Zoglauer, Andreas
Dermer, Charles
Kurfess, James
Novikova, Elena I.
Phlips, Bernard
Wulf, Eric
Bloser, Peter
McConnell, Mark
Ryan, James
Aprile, Elena
Gehrels, Neil
Sturner, Steven
Hoover, Andrew
Kippen, Marc
Klimenk, Alexei
Tournear, Derek
Hartmann, Dieter
Leising, Mark
Baring, Matthew
Kocevski, Dan
Oberlack, Uwe
Polsen, Mark
Zych, Allen
Harris, Michael
Weidenspointner, Georg
Milne, Peter
Beacom, John
Bildsten, Lars
Hernanz, Margarita
Smith, David
Starrfield, Sumner
CA ACT Consortium
BE Allen, MS
TI The Advanced Compton Telescope Mission
SO NASA SPACE SCIENCE VISION MISSIONS
SE Progress in Astronautics and Aeronautics
LA English
DT Article; Book Chapter
ID MICRO-WELL DETECTORS; GAMMA-RAY TELESCOPE; X-RAY; SPECTROSCOPY;
ASTROPHYSICS; PERFORMANCE; LXEGRIT; ABOARD
C1 [Boggs, Steven; Wunderer, Cornelia; Zoglauer, Andreas] Univ Calif Berkeley, Berkeley, CA 94720 USA.
[Dermer, Charles; Kurfess, James; Novikova, Elena I.; Phlips, Bernard; Wulf, Eric] USN, Res Lab, Washington, DC 20375 USA.
[Bloser, Peter; McConnell, Mark; Ryan, James] Univ New Hampshire, Durham, NH 03824 USA.
[Aprile, Elena] Columbia Univ, New York, NY USA.
[Gehrels, Neil; Sturner, Steven] NASA, Goddard Space Flight Ctr, Greenbelt, MD 20771 USA.
[Hoover, Andrew; Kippen, Marc; Klimenk, Alexei; Tournear, Derek] Los Alamos Natl Lab, Los Alamos, CA USA.
[Hartmann, Dieter; Leising, Mark] Clemson Univ, Clemson, SC USA.
[Baring, Matthew; Kocevski, Dan; Oberlack, Uwe] Rice Univ, Houston, TX USA.
[Polsen, Mark; Zych, Allen] Univ Calif Riverside, Riverside, CA 92521 USA.
[Harris, Michael; Weidenspointner, Georg] Ctr Etud Spatiale Rayonnements, Toulouse, France.
[Milne, Peter] Arizona State Univ, Tempe, AZ USA.
[Beacom, John] Ohio State Univ, Columbus, OH 43210 USA.
[Bildsten, Lars] Univ Calif Santa Barbara, Santa Barbara, CA 93106 USA.
[Hernanz, Margarita] IEEC CSIC, Bellaterra, Spain.
[Smith, David] Univ Calif Santa Cruz, Santa Cruz, CA 95064 USA.
[Starrfield, Sumner] Univ Arizona, Tucson, AZ USA.
RP Boggs, S (reprint author), Univ Calif Berkeley, Berkeley, CA 94720 USA.
RI Wulf, Eric/B-1240-2012; Boggs, Steven/E-4170-2015
OI Boggs, Steven/0000-0001-9567-4224
NR 30
TC 1
Z9 1
U1 0
U2 0
PU AMER INST AERONAUTICS & ASTRONAUTICS
PI RESTON
PA 1801 ALEXANDER BELL DR, STE 500, RESTON, VA 20191-4344 USA
SN 0079-6050
BN 978-1-56347-934-2
J9 PROG ASTRONAUT AERON
PY 2008
VL 224
BP 369
EP 404
PG 36
WC Engineering, Aerospace; Astronomy & Astrophysics
SC Engineering; Astronomy & Astrophysics
GA BJU77
UT WOS:000267213900012
ER
PT S
AU Charles, JS
Potok, TE
Patton, R
Cui, XH
AF Charles, Jesse St.
Potok, Thomas E.
Patton, Robert
Cui, Xiaohui
BE Krasnogor, N
Nicosia, G
Pavone, M
Pelta, D
TI Flocking-based Document Clustering on the Graphics Processing Unit
SO NATURE INSPIRED COOPERATIVE STRATEGIES FOR OPTIMIZATION (NICSO 2007)
SE Studies in Computational Intelligence
LA English
DT Proceedings Paper
CT International Workshop on Nature Inspired Cooperative Strategies for
Optimization
CY NOV 08-10, 2007
CL Acireale, ITALY
SP Univ Catania, Fac Sci & Dept Math & Comp Sci, Consorzio Catania Ricerche
AB Analyzing and grouping documents by content is a complex problem. One explored method of solving this problem borrows from nature, imitating the flocking behavior of birds. Each bird represents a single document and flies toward other documents that are similar to it. One limitation of this method of document clustering is its complexity O(n(2)). As the number of documents grows, it becomes increasingly difficult to receive results in a reasonable amount of time. However, flocking behavior, along with many naturally inspired algorithms such as ant colony optimization and particle swarm optimization, are highly parallel and have found increased performance on expensive cluster computers. In the last flew years, the graphics processing unit (GPU) has received attention for its ability to solve highly-parallel and semi-parallel problems much faster than the traditional sequential processor. Some applications see a huge increase in performance on this new platform. The cost of these high-performance devices is also marginal when compared with the price of cluster machines. In this paper, we have conducted research to exploit this architecture and apply its strengths to the document flocking problem. Our results highlight the potential benefit the GPU brings to many naturally inspired algorithms. Using the CUDA platform from NIVIDA (R), we developed a document flocking implementation to be run on the NIVIDA (R) GEFORCE 8800. Additionally, we developed a similar but sequential implementation of the same algorithm to be run on a desktop CPU. We tested the performance of each on groups of news articles ranging in size from 200 to 3000 documents. The results of these tests were very significant. Performance gains ranged from three to nearly five times improvement of the GPU over the CPU implementation. Our results also confirm that each implementation is of similar complexity, confirming that gains are from the hardware and not from algorithmic benefits. This improvement in runtime makes the GPU a potentially powerful new platform for document analysis.
C1 [Charles, Jesse St.] Univ Tennessee, Chattanooga, TN 37403 USA.
[Potok, Thomas E.; Patton, Robert; Cui, Xiaohui] Oak Ridge Natl Lab, Oak Ridge, TN USA.
RP Charles, JS (reprint author), Univ Tennessee, Chattanooga, TN 37403 USA.
EM jesse-stcharles@utc.edu; potokte@ornl.gov; pattonrm@ornl.gov;
cuix@ornl.gov
OI Patton, Robert/0000-0002-8101-0571; Potok, Thomas/0000-0001-6687-3435
NR 15
TC 1
Z9 1
U1 0
U2 3
PU SPRINGER
PI NEW YORK
PA 233 SPRING STREET, NEW YORK, NY 10013, UNITED STATES
SN 1860-949X
BN 978-3-540-78986-4
J9 STUD COMPUT INTELL
PY 2008
VL 129
BP 27
EP +
PG 4
WC Computer Science, Artificial Intelligence; Computer Science, Theory &
Methods; Mathematics, Applied
SC Computer Science; Mathematics
GA BIQ45
UT WOS:000262048100003
ER
PT S
AU Cui, XH
Patton, RM
Treadwell, J
Potok, TE
AF Cui, Xiaohui
Patton, Robert M.
Treadwell, Jim
Potok, Thomas E.
BE Krasnogor, N
Nicosia, G
Pavone, M
Pelta, D
TI Particle Swarm Based Collective Searching Model for Adaptive Environment
SO NATURE INSPIRED COOPERATIVE STRATEGIES FOR OPTIMIZATION (NICSO 2007)
SE Studies in Computational Intelligence
LA English
DT Proceedings Paper
CT International Workshop on Nature Inspired Cooperative Strategies for
Optimization
CY NOV 08-10, 2007
CL Acireale, ITALY
SP Univ Catania, Fac Sci & Dept Math & Comp Sci, Consorzio Catania Ricerche
AB This report presents a pilot study of an integration of particle swarm algorithm, social knowledge adaptation and multi-agent approaches for modeling the collective search behavior of self-organized groups in an adaptive environment. The objective of this research is to apply the particle swarm metaphor as a model of social group adaptation for the dynamic environment and to provide insight and understanding of social group knowledge discovering and strategic searching. A new adaptive environment model, which dynamically reacts to the group collective searching behaviors, is proposed in this research. The simulations in the research indicate that effective communication between groups is not the necessary requirement for whole self-organized groups to achieve the efficient collective searching behavior in the adaptive environment. One possible application of this research is building scientific understanding of the insurgency in the count-Insurgent warfare.
C1 [Cui, Xiaohui; Patton, Robert M.; Treadwell, Jim; Potok, Thomas E.] Oak Ridge Natl Lab, Computat Sci & Engn Div, Oak Ridge, TN 37831 USA.
RP Cui, XH (reprint author), Oak Ridge Natl Lab, Computat Sci & Engn Div, Oak Ridge, TN 37831 USA.
EM cuix@ornl.gov
OI Patton, Robert/0000-0002-8101-0571; Potok, Thomas/0000-0001-6687-3435
NR 16
TC 1
Z9 1
U1 0
U2 2
PU SPRINGER
PI NEW YORK
PA 233 SPRING STREET, NEW YORK, NY 10013, UNITED STATES
SN 1860-949X
BN 978-3-540-78986-4
J9 STUD COMPUT INTELL
PY 2008
VL 129
BP 211
EP 220
PG 10
WC Computer Science, Artificial Intelligence; Computer Science, Theory &
Methods; Mathematics, Applied
SC Computer Science; Mathematics
GA BIQ45
UT WOS:000262048100020
ER
PT J
AU Cox, S
Singleton, J
Mcdonald, RD
Migliori, A
Littlewood, PB
AF Cox, Susan
Singleton, J.
Mcdonald, R. D.
Migliori, A.
Littlewood, P. B.
TI Sliding charge-density wave in manganites
SO NATURE MATERIALS
LA English
DT Article
ID BROAD-BAND NOISE; ORDERED STRIPES; THIN-FILMS; NBSE3; LA0.5CA0.5MNO3;
LA1-XCAXMNO3; STATE; TAS3; COMMENSURATE; TEMPERATURE
AB Stripe and chequerboard phases appear in many metal oxide compounds, and are thought to be linked to exotic behaviour such as high-temperature superconductivity(1) and colossal magnetoresistance(2). It is therefore extremely important to understand the fundamental nature of such phases. The so-called stripe phase of the manganites has long been interpreted as the localization of charge at atomic sites(3-6). Here, we present resistance measurements on La0.50Ca0.50MnO3 that strongly suggest that this state is in fact a prototypical charge-density wave (CDW) that undergoes collective transport. Dramatic resistance hysteresis effects and broadband noise properties are observed, both of which are typical of sliding CDWsystems. Moreover, the high levels of disorder typical of manganites result in behaviour similar to that of well-known disordered CDW materials. The CDW-type behaviour of the manganite superstructure suggests that unusual transport and structural properties do not require exotic physics, but could emerge when a well-understood phase (the CDW) coexists with disorder.
C1 [Cox, Susan; Singleton, J.; Mcdonald, R. D.; Migliori, A.] Los Alamos Natl Lab, Natl High Magnet Field Lab, Los Alamos, NM 87545 USA.
[Littlewood, P. B.] Univ Cambridge, Cavendish Lab, Cambridge CB3 0HE, England.
RP Cox, S (reprint author), Los Alamos Natl Lab, Natl High Magnet Field Lab, MS-E536, Los Alamos, NM 87545 USA.
EM scox@lanl.gov
RI Cavendish, TCM/C-9489-2009; Littlewood, Peter/B-7746-2008; McDonald,
Ross/H-3783-2013;
OI McDonald, Ross/0000-0002-0188-1087; Mcdonald, Ross/0000-0002-5819-4739
NR 34
TC 89
Z9 89
U1 4
U2 37
PU NATURE PUBLISHING GROUP
PI LONDON
PA MACMILLAN BUILDING, 4 CRINAN ST, LONDON N1 9XW, ENGLAND
SN 1476-1122
J9 NAT MATER
JI Nat. Mater.
PD JAN
PY 2008
VL 7
IS 1
BP 25
EP 30
DI 10.1038/nmat2071
PG 6
WC Chemistry, Physical; Materials Science, Multidisciplinary; Physics,
Applied; Physics, Condensed Matter
SC Chemistry; Materials Science; Physics
GA 247YE
UT WOS:000252117700015
PM 18059276
ER
PT J
AU Wang, YY
Kioupakis, E
Lu, XH
Wegner, D
Yamachika, R
Dahl, JE
Carlson, RMK
Louie, SG
Crommie, MF
AF Wang, Yayu
Kioupakis, Emmanouil
Lu, Xinghua
Wegner, Daniel
Yamachika, Ryan
Dahl, Jeremy E.
Carlson, Robert M. K.
Louie, Steven G.
Crommie, Michael F.
TI Spatially resolved electronic and vibronic properties of single
diamondoid molecules
SO NATURE MATERIALS
LA English
DT Article
ID VIBRATIONAL SPECTROSCOPY; CYCLOHEXAMANTANE C26H30; MICROSCOPY; NANOSCALE
AB Diamondoids are a unique form of carbon nanostructure best described as hydrogen-terminated diamond molecules(1). Their diamond-cage structures and tetrahedral sp(3) hybrid bonding create new possibilities for tuning electronic bandgaps, optical properties, thermal transport and mechanical strength at the nanoscale(1,2). The recently discovered higher diamondoids(3,4) have thus generated much excitement in regards to their potential versatility as nanoscale devices(5-15). Despite this excitement, however, very little is known about the properties of isolated diamondoids on metal surfaces, a very relevant system for molecular electronics. For example, it is unclear how the microscopic characteristics of molecular orbitals and local electron-vibrational coupling affect electron conduction, emission and energy transfer in the diamondoids. Here, we report the first single-molecule study of tetramantane diamondoids on Au(111) using scanning tunnelling microscopy and spectroscopy. We find that the diamondoid electronic structure and electron-vibrational coupling exhibit unique and unexpected spatial correlations characterized by pronounced nodal structure across the molecular surfaces. Ab initio pseudopotential density functional calculations reveal that much of the observed electronic and vibronic properties of diamondoids are determined by surface hydrogen terminations, a feature having important implications for designing future diamondoid-based molecular devices.
C1 [Wang, Yayu] Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA.
[Dahl, Jeremy E.; Carlson, Robert M. K.] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Mat Sci, Berkeley, CA 94720 USA.
RP Wang, YY (reprint author), Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA.
EM yywang@berkeley.edu; crommie@berkeley.edu
RI Lu, Xinghua/F-2655-2010; Wegner, Daniel/G-3545-2011; Kioupakis,
Emmanouil/L-4504-2013; Wegner, Daniel/F-9700-2015
NR 29
TC 62
Z9 62
U1 4
U2 44
PU NATURE PUBLISHING GROUP
PI LONDON
PA MACMILLAN BUILDING, 4 CRINAN ST, LONDON N1 9XW, ENGLAND
SN 1476-1122
J9 NAT MATER
JI Nat. Mater.
PD JAN
PY 2008
VL 7
IS 1
BP 38
EP 42
DI 10.1038/nmat2066
PG 5
WC Chemistry, Physical; Materials Science, Multidisciplinary; Physics,
Applied; Physics, Condensed Matter
SC Chemistry; Materials Science; Physics
GA 247YE
UT WOS:000252117700017
PM 18037893
ER
PT J
AU Ho, JC
Yerushalmi, R
Jacobson, ZA
Fan, Z
Alley, RL
Javey, A
AF Ho, Johnny C.
Yerushalmi, Roie
Jacobson, Zachery A.
Fan, Zhiyong
Alley, Robert L.
Javey, Ali
TI Controlled nanoscale doping of semiconductors via molecular monolayers
SO NATURE MATERIALS
LA English
DT Article
ID SILICON SURFACES; NANOWIRE ARRAYS; DEVICES; PHOSPHORUS; DIFFUSION;
FABRICATION; VAPOR
AB One of the major challenges towards scaling electronic devices to the nanometre-size regime is attaining controlled doping of semiconductor materials with atomic accuracy, as at such small scales, the various existing technologies suffer from a number of setbacks. Here, we present a novel strategy for controlled, nanoscale doping of semiconductor materials by taking advantage of the crystalline nature of silicon and its rich, self-limiting surface reaction properties. Our method relies on the formation of a highly uniform and covalently bonded monolayer of dopant-containing molecules, which enables deterministic positioning of dopant atoms on the Si surfaces. In a subsequent annealing step, the dopant atoms are diffused into the Si lattice to attain the desired doping profile. We show the versatility of our approach through controlled p- and n-doping of a wide range of semiconductor materials, including ultrathin silicon-on-insulator substrates and nanowires, which are then configured into novel transistor structures.
C1 [Ho, Johnny C.; Yerushalmi, Roie; Jacobson, Zachery A.; Fan, Zhiyong; Alley, Robert L.; Javey, Ali] Univ Calif Berkeley, Dept Elect Engn & Comp Sci, Berkeley, CA 94720 USA.
[Ho, Johnny C.; Yerushalmi, Roie; Jacobson, Zachery A.; Fan, Zhiyong; Javey, Ali] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Mat Sci, Berkeley, CA 94720 USA.
RP Ho, JC (reprint author), Univ Calif Berkeley, Dept Elect Engn & Comp Sci, Berkeley, CA 94720 USA.
EM ajavey@eecs.berkeley.edu
RI Fan, Zhiyong/C-4970-2012; Ho, Johnny/K-5275-2012; Javey,
Ali/B-4818-2013;
OI Ho, Johnny/0000-0003-3000-8794; Fan, Zhiyong/0000-0002-5397-0129
NR 30
TC 153
Z9 153
U1 5
U2 59
PU NATURE PUBLISHING GROUP
PI LONDON
PA MACMILLAN BUILDING, 4 CRINAN ST, LONDON N1 9XW, ENGLAND
SN 1476-1122
J9 NAT MATER
JI Nat. Mater.
PD JAN
PY 2008
VL 7
IS 1
BP 62
EP 67
DI 10.1038/nmat2058
PG 6
WC Chemistry, Physical; Materials Science, Multidisciplinary; Physics,
Applied; Physics, Condensed Matter
SC Chemistry; Materials Science; Physics
GA 247YE
UT WOS:000252117700022
PM 17994026
ER
PT J
AU Schmidt-Rohr, K
Chen, Q
AF Schmidt-Rohr, Klaus
Chen, Qiang
TI Parallel cylindrical water nanochannels in Nafion fuel-cell membranes
SO NATURE MATERIALS
LA English
DT Article
ID PERFLUORINATED IONOMER MEMBRANES; ANGLE X-RAY; POLYMER ELECTROLYTE
MEMBRANES; NEUTRON-SCATTERING DATA; ION-EXCHANGE MEMBRANES; PROTON
TRANSPORT; TEMPERATURE; DIFFUSION; SAXS; CONDUCTIVITY
AB The structure of the Nafion ionomer used in proton-exchange membranes of H-2/O-2 fuel cells has long been contentious. Using a recently introduced algorithm, we have quantitatively simulated previously published small-angle scattering data of hydrated Nafion. The characteristic 'ionomer peak' arises from long parallel but otherwise randomly packed water channels surrounded by partially hydrophilic side branches, forming inverted-micelle cylinders. At 20 vol% water, the water channels have diameters of between 1.8 and 3.5 nm, with an average of 2.4 nm. Nafion crystallites (similar to 10 vol%), which form physical crosslinks that are crucial for the mechanical properties of Nafion films, are elongated and parallel to the water channels, with cross-sections of similar to(5nm)(2). Simulations for various other models of Nafion, including Gierke's cluster and the polymer-bundle model, do not match the scattering data. The new model can explain important features of Nafion, including fast diffusion of water and protons through Nafion and its persistence at low temperatures.
C1 [Schmidt-Rohr, Klaus; Chen, Qiang] Iowa State Univ, Ames Lab, Ames, IA 50011 USA.
[Schmidt-Rohr, Klaus; Chen, Qiang] Iowa State Univ, Dept Chem, Ames, IA 50011 USA.
RP Schmidt-Rohr, K (reprint author), Iowa State Univ, Ames Lab, Ames, IA 50011 USA.
EM srohr@iastate.edu
NR 50
TC 649
Z9 656
U1 42
U2 357
PU NATURE PUBLISHING GROUP
PI LONDON
PA MACMILLAN BUILDING, 4 CRINAN ST, LONDON N1 9XW, ENGLAND
SN 1476-1122
J9 NAT MATER
JI Nat. Mater.
PD JAN
PY 2008
VL 7
IS 1
BP 75
EP 83
DI 10.1038/nmat2074
PG 9
WC Chemistry, Physical; Materials Science, Multidisciplinary; Physics,
Applied; Physics, Condensed Matter
SC Chemistry; Materials Science; Physics
GA 247YE
UT WOS:000252117700024
PM 18066069
ER
PT J
AU Chan, CK
Peng, HL
Liu, G
McIlwrath, K
Zhang, XF
Huggins, RA
Cui, Y
AF Chan, Candace K.
Peng, Hailin
Liu, Gao
McIlwrath, Kevin
Zhang, Xiao Feng
Huggins, Robert A.
Cui, Yi
TI High-performance lithium battery anodes using silicon nanowires
SO NATURE NANOTECHNOLOGY
LA English
DT Article
ID ION-BATTERIES; NEGATIVE-ELECTRODE; SEMICONDUCTOR NANOWIRES;
NANOSTRUCTURED SILICON; AMORPHOUS-SILICON; GROWTH; STORAGE; POWDER;
CELLS; LI
AB There is great interest in developing rechargeable lithium batteries with higher energy capacity and longer cycle life for applications in portable electronic devices, electric vehicles and implantable medical devices(1). Silicon is an attractive anode material for lithium batteries because it has a low discharge potential and the highest known theoretical charge capacity (4,200 mAh g(-1); ref. 2). Although this is more than ten times higher than existing graphite anodes and much larger than various nitride and oxide materials(3,4), silicon anodes have limited applications(5) because silicon's volume changes by 400% upon insertion and extraction of lithium, which results in pulverization and capacity fading(2). Here, we show that silicon nanowire battery electrodes circumvent these issues as they can accommodate large strain without pulverization, provide good electronic contact and conduction, and display short lithium insertion distances. We achieved the theoretical charge capacity for silicon anodes and maintained a discharge capacity close to 75% of this maximum, with little fading during cycling.
C1 [Chan, Candace K.] Stanford Univ, Dept Chem, Stanford, CA 94305 USA.
[Peng, Hailin; Huggins, Robert A.; Cui, Yi] Stanford Univ, Dept Mat Sci & Engn, Stanford, CA 94305 USA.
[Liu, Gao] Lawrence Berkeley Natl Lab, Environm Energy Technol Div, Berkeley, CA 94720 USA.
[Zhang, Xiao Feng] Hitachi High Technol Amer Inc, Electron Microscope Div, Pleasanton, CA 94558 USA.
RP Chan, CK (reprint author), Stanford Univ, Dept Chem, Stanford, CA 94305 USA.
EM yicui@stanford.edu
RI Peng, Hailin/F-1497-2010; Cui, Yi/L-5804-2013; Chan, Candace/L-8175-2013
OI Cui, Yi/0000-0002-6103-6352;
NR 29
TC 3043
Z9 3103
U1 350
U2 2729
PU NATURE PUBLISHING GROUP
PI LONDON
PA MACMILLAN BUILDING, 4 CRINAN ST, LONDON N1 9XW, ENGLAND
SN 1748-3387
J9 NAT NANOTECHNOL
JI Nat. Nanotechnol.
PD JAN
PY 2008
VL 3
IS 1
BP 31
EP 35
DI 10.1038/nnano.2007.411
PG 5
WC Nanoscience & Nanotechnology; Materials Science, Multidisciplinary
SC Science & Technology - Other Topics; Materials Science
GA 247XX
UT WOS:000252117000012
PM 18654447
ER
PT J
AU Zhou, C
Berciu, M
AF Zhou, Chenggang
Berciu, Mona
TI Spectral weight transfer in the integer quantum Hall effect and its
consequences
SO NATURE PHYSICS
LA English
DT Article
ID RESISTANCE FLUCTUATIONS; HOFSTADTER SPECTRUM; BERRY PHASE; STATES;
LOCALIZATION; HYPERORBITS; SYSTEMS; CHARGES; SAMPLES; FLUID
AB The energy spectrum of a two-dimensional electron gas placed in a transversal magnetic field B consists of quantized Landau levels. In the absence of disorder, the degeneracy of each Landau level is N = BA/phi(0), where A is the area of the sample and phi(0) = h/e is the magnetic flux quantum. With disorder, localized states appear at the top and bottom of the broadened Landau level, whereas states in the centre of the Landau level (the critical region) remain delocalized. This single-electron theory adequately explains most aspects of the integer quantum Hall effect(1). One unnoticed issue is the location of the new states that appear in the Landau level with increasing B. Here, we show that they appear predominantly inside the critical region. This situation leads to a 'spectral ordering' of the localized states, which explains the stripes observed in measurements of the local inverse compressibility(2,3), of two-terminal conductance(4) and of Hall and longitudinal resistances(5) without the need to invoke interactions as done in previous work(6-8).
C1 [Zhou, Chenggang] Oak Ridge Natl Lab, Ctr Nanophase Mat Sci, Oak Ridge, TN 37831 USA.
[Berciu, Mona] Univ British Columbia, Dept Phys & Astron, Vancouver, BC V6T 1Z1, Canada.
RP Zhou, C (reprint author), Oak Ridge Natl Lab, Ctr Nanophase Mat Sci, POB 2008,MS 6493, Oak Ridge, TN 37831 USA.
EM zhouc@ornl.gov
RI Berciu, Mona/O-4889-2014
NR 27
TC 3
Z9 3
U1 0
U2 6
PU NATURE PUBLISHING GROUP
PI LONDON
PA MACMILLAN BUILDING, 4 CRINAN ST, LONDON N1 9XW, ENGLAND
SN 1745-2473
J9 NAT PHYS
JI Nat. Phys.
PD JAN
PY 2008
VL 4
IS 1
BP 24
EP 27
DI 10.1038/nphys786
PG 4
WC Physics, Multidisciplinary
SC Physics
GA 247YW
UT WOS:000252119500018
ER
PT J
AU Reed, EJ
Manaa, MR
Fried, LE
Glaesemann, KR
Joannopoulos, JD
AF Reed, Evan J.
Manaa, M. Riad
Fried, Laurence E.
Glaesemann, Kurt R.
Joannopoulos, J. D.
TI A transient semimetallic layer in detonating nitromethane
SO NATURE PHYSICS
LA English
DT Article
ID CHEMICAL-REACTION-ZONE; MOLECULAR-DYNAMICS; LIQUID NITROMETHANE; SOLID
NITROMETHANE; AMORPHOUS-SILICON; TRANSITION; SIMULATIONS; STATES
AB Despite decades of research, the microscopic details and extreme states of matter found within a detonating high explosive have yet to be elucidated. Here we present the first quantum molecular-dynamics simulation of a shocked explosive near detonation conditions. We discover that the wide-bandgap insulator nitromethane (CH3NO2) undergoes chemical decomposition and a transformation into a semimetallic state for a limited distance behind the detonation front. We find that this transformation is associated with the production of charged decomposition species and provides a mechanism to explain recent experimental observations.
C1 [Reed, Evan J.; Manaa, M. Riad; Fried, Laurence E.; Glaesemann, Kurt R.] Lawrence Livermore Natl Lab, Chem Mat Earth & Life Sci Directorate, Livermore, CA 94550 USA.
[Reed, Evan J.; Joannopoulos, J. D.] MIT, Dept Phys, Cambridge, MA 02139 USA.
RP Reed, EJ (reprint author), Lawrence Livermore Natl Lab, Chem Mat Earth & Life Sci Directorate, Livermore, CA 94550 USA.
EM reed23@llnl.gov
RI Glaesemann, Kurt/B-4841-2010; Fried, Laurence/L-8714-2014;
OI Fried, Laurence/0000-0002-9437-7700; Glaesemann,
Kurt/0000-0002-9512-1395
NR 36
TC 82
Z9 84
U1 5
U2 24
PU NATURE PUBLISHING GROUP
PI LONDON
PA MACMILLAN BUILDING, 4 CRINAN ST, LONDON N1 9XW, ENGLAND
SN 1745-2473
J9 NAT PHYS
JI Nat. Phys.
PD JAN
PY 2008
VL 4
IS 1
BP 72
EP 76
DI 10.1038/nphys806
PG 5
WC Physics, Multidisciplinary
SC Physics
GA 247YW
UT WOS:000252119500028
ER
PT J
AU Nelson, CM
Inman, JL
Bissell, MJ
AF Nelson, Celeste M.
Inman, Jamie L.
Bissell, Mina J.
TI Three-dimensional lithographically defined organotypic tissue arrays for
quantitative analysis of morphogenesis and neoplastic progression
SO NATURE PROTOCOLS
LA English
DT Article
ID COLLAGEN MEMBRANES; CELLS; ORGANIZATION; FABRICATION; HYDROGELS;
MATRICES; CULTURES; GROWTH
AB Here, we describe a simple micromolding method to construct three-dimensional arrays of organotypic epithelial tissue structures that approximate in vivo histology. An elastomeric stamp containing an array of posts of defined geometry and spacing is used to mold microscale cavities into the surface of type I collagen gels. Epithelial cells are seeded into the cavities and covered with a second layer of collagen. The cells reorganize into hollow tissues corresponding to the geometry of the cavities. Patterned tissue arrays can be produced in 3-4 h and will undergo morphogenesis over the following 1-3 d. The protocol can easily be adapted to study a variety of tissues and aspects of normal and neoplastic development.
C1 [Nelson, Celeste M.] Princeton Univ, Dept Chem Engn, Princeton, NJ 08544 USA.
[Inman, Jamie L.; Bissell, Mina J.] Dept Cell Biol & Imaging, Div Life Sci, Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA.
RP Nelson, CM (reprint author), Princeton Univ, Dept Chem Engn, Princeton, NJ 08544 USA.
EM celesten@princeton.edu
FU NCI NIH HHS [CA57621, R01 CA057621, R01 CA057621-08, R01 CA064786, R01
CA064786-08, R37 CA064786, CA64786]
NR 21
TC 63
Z9 64
U1 1
U2 12
PU NATURE PUBLISHING GROUP
PI LONDON
PA MACMILLAN BUILDING, 4 CRINAN ST, LONDON N1 9XW, ENGLAND
SN 1754-2189
J9 NAT PROTOC
JI Nat. Protoc.
PY 2008
VL 3
IS 4
BP 674
EP 678
DI 10.1038/nprot.2008.35
PG 5
WC Biochemical Research Methods
SC Biochemistry & Molecular Biology
GA 287JX
UT WOS:000254914500014
PM 18388950
ER
PT J
AU Woo, HK
Northen, TR
Yanes, O
Siuzdak, G
AF Woo, Hin-Koon
Northen, Trent R.
Yanes, Oscar
Siuzdak, Gary
TI Nanostructure-initiator mass spectrometry: a protocol for preparing and
applying NIMS surfaces for high-sensitivity mass analysis
SO NATURE PROTOCOLS
LA English
DT Article
ID ASSISTED LASER DESORPTION/IONIZATION; DESORPTION-IONIZATION; CARBON
NANOTUBES; POROUS ALUMINA; MATRIX; SILICON
AB Nanostructure-initiator mass spectrometry (NIMS) is a new surface-based MS technique that uses a nanostructured surface to trap liquid ('initiator') compounds. Analyte materials adsorbed onto this 'clathrate' surface are subsequently released by laser irradiation for mass analysis. In this protocol, we describe the preparation of NIMS surfaces capable of producing low background and high-sensitivity mass spectrometric measurement using the initiator compound BisF17. Examples of analytes that adsorb to this surface are small molecules, drugs, lipids, carbohydrates and peptides. Typically, NIMS is used to analyze samples ranging from simple analytical standards and proteolytic digests to more complex samples such as tissues, cells and biofluids. Critical experimental considerations of NIMS are described. Specifically, NIMS sensitivity is examined as a function of pre-etch cleaning treatment, etching current density, etching time, initiator composition, sample concentration, sample deposition method and laser fluence. Typically, NIMS surface preparation can be completed in less than 2 h. Subsequent sample preparation requires 1-5 min, depending on sample deposition method. Mass spectrometric data acquisition typically takes 1-30 s per sample.
C1 [Woo, Hin-Koon; Northen, Trent R.; Yanes, Oscar; Siuzdak, Gary] Scripps Res Inst, Scripps Ctr Mass Spectrometry, Dept Mol Biol, La Jolla, CA 92037 USA.
[Northen, Trent R.] Lawrence Berkeley Natl Lab, Div Life Sci, Dept Genome Stabil, Berkeley, CA 94720 USA.
RP Siuzdak, G (reprint author), Scripps Res Inst, Scripps Ctr Mass Spectrometry, Dept Mol Biol, 10550 N Torrey Pines Rd, La Jolla, CA 92037 USA.
EM siuzdak@scripps.edu
RI Northen, Trent/K-3139-2012; Yanes, Oscar/N-3630-2016;
OI Yanes, Oscar/0000-0003-3695-7157; Northen, Trent/0000-0001-8404-3259
FU DOE GTL [MAGGIE, GeneMAP]; US Department of Energy Office of Science
[DE-AC02-05CH11231]
FX This project was funded by DOE GTL Grants (MAGGIE and GeneMAP). This
work was supported by the US Department of Energy Office of Science
under contract no. DE-AC02-05CH11231 through the Genomics: GTL Research
Program.
NR 11
TC 61
Z9 61
U1 4
U2 48
PU NATURE PUBLISHING GROUP
PI LONDON
PA MACMILLAN BUILDING, 4 CRINAN ST, LONDON N1 9XW, ENGLAND
SN 1754-2189
J9 NAT PROTOC
JI Nat. Protoc.
PY 2008
VL 3
IS 8
BP 1341
EP 1349
DI 10.1038/nprot.2008.110
PG 9
WC Biochemical Research Methods
SC Biochemistry & Molecular Biology
GA 337GR
UT WOS:000258424000011
PM 18714302
ER
PT J
AU Costantino, DA
Pfingsten, JS
Rambo, RP
Kieft, JS
AF Costantino, David A.
Pfingsten, Jennifer S.
Rambo, Robert P.
Kieft, Jeffrey S.
TI tRNA-mRNA mimicry drives translation initiation from a viral IRES
SO NATURE STRUCTURAL & MOLECULAR BIOLOGY
LA English
DT Article
ID RIBOSOME ENTRY SITE; CRICKET PARALYSIS VIRUS; HEPATITIS-C VIRUS;
CRYSTALLOGRAPHIC STRUCTURE DETERMINATION; METHIONINE-INDEPENDENT
INITIATION; SELECTIVE 2'-HYDROXYL ACYLATION; SINGLE NUCLEOTIDE
RESOLUTION; PRIMER EXTENSION SHAPE; AMINOACYL-TRANSFER-RNA; STRUCTURAL
BASIS
AB Internal ribosome entry site (IRES) RNAs initiate protein synthesis in eukaryotic cells by a noncanonical cap-independent mechanism. IRESes are critical for many pathogenic viruses, but efforts to understand their function are complicated by the diversity of IRES sequences as well as by limited high-resolution structural information. The intergenic region (IGR) IRESes of the Dicistroviridae viruses are powerful model systems to begin to understand IRES function. Here we present the crystal structure of a Dicistroviridae IGR IRES domain that interacts with the ribosome's decoding groove. We find that this RNA domain precisely mimics the transfer RNA anticodon-messenger RNA codon interaction, and its modeled orientation on the ribosome helps explain translocation without peptide bond formation. When combined with a previous structure, this work completes the first high-resolution description of an IRES RNA and provides insight into how RNAs can manipulate complex biological machines.
C1 [Costantino, David A.; Pfingsten, Jennifer S.; Kieft, Jeffrey S.] Univ Colorado Denver, Dept Biochem & Mol Genet, Aurora, CO 80045 USA.
[Rambo, Robert P.] Lawrence Berkeley Natl Lab, Div Life Sci, Berkeley, CA 94720 USA.
[Costantino, David A.; Pfingsten, Jennifer S.; Kieft, Jeffrey S.] Hlth Sci Ctr, Aurora, CO 80045 USA.
RP Kieft, JS (reprint author), Univ Colorado Denver, Dept Biochem & Mol Genet, Mail Stop 8101,POB 6511, Aurora, CO 80045 USA.
EM jeffrey.kieft@uchsc.edu
FU NIAID NIH HHS [AI072187, R03 AI072187, R03 AI072187-01A1, R03
AI072187-02]; NIGMS NIH HHS [GM072560, R01 GM072560, R01 GM072560-01,
R01 GM072560-02, R01 GM072560-03, R01 GM072560-04, R01 GM072560-05]
NR 59
TC 86
Z9 87
U1 3
U2 8
PU NATURE PUBLISHING GROUP
PI NEW YORK
PA 75 VARICK STREET, 9TH FLOOR, NEW YORK, NY 10013-1917 USA
SN 1545-9985
J9 NAT STRUCT MOL BIOL
JI Nat. Struct. Mol. Biol.
PD JAN
PY 2008
VL 15
IS 1
BP 57
EP 64
DI 10.1038/nsmb1351
PG 8
WC Biochemistry & Molecular Biology; Biophysics; Cell Biology
SC Biochemistry & Molecular Biology; Biophysics; Cell Biology
GA 247YP
UT WOS:000252118800010
PM 18157151
ER
PT J
AU Kohout, SC
Ulbrich, MH
Bell, SC
Isacoff, EY
AF Kohout, Susy C.
Ulbrich, Maximilian H.
Bell, Sarah C.
Isacoff, Ehud Y.
TI Subunit organization and functional transitions in Ci-VSP
SO NATURE STRUCTURAL & MOLECULAR BIOLOGY
LA English
DT Article
ID PHOSPHOINOSITIDE PHOSPHATASE-ACTIVITY; SHAKER K+ CHANNEL; POTASSIUM
CHANNEL; VOLTAGE SENSOR; CRYSTAL-STRUCTURE; DOMAIN; FLUORESCENCE;
ACTIVATION; PORE
AB Voltage-sensing domains (VSDs) confer voltage dependence on effector domains of membrane proteins. Ion channels use four VSDs to control a gate in the pore domain, but in the recently discovered phosphatase Ci-VSP, the number of subunits has been unknown. Using single-molecule microscopy to count subunits and voltage clamp fluorometry to detect structural dynamics, we found Ci-VSP to be a monomer, which operates independently, but nevertheless undergoes multiple voltage-dependent conformational transitions.
C1 [Kohout, Susy C.; Ulbrich, Maximilian H.; Isacoff, Ehud Y.] Univ Calif Berkeley, Dept Mol & Cell Biol, Berkeley, CA 94720 USA.
[Bell, Sarah C.] Univ Calif Berkeley, Chem Biol Grad Program, Berkeley, CA 94720 USA.
[Isacoff, Ehud Y.] Lawrence Berkeley Natl Lab, Div Mat Sci, Berkeley, CA 94720 USA.
[Isacoff, Ehud Y.] Lawrence Berkeley Natl Lab, Phys Biosci Div, Berkeley, CA 94720 USA.
RP Isacoff, EY (reprint author), Univ Calif Berkeley, Dept Mol & Cell Biol, Berkeley, CA 94720 USA.
EM ehud@berkeley.edu
FU NINDS NIH HHS [R01NS035549]
NR 18
TC 86
Z9 86
U1 1
U2 6
PU NATURE PUBLISHING GROUP
PI NEW YORK
PA 75 VARICK STREET, 9TH FLOOR, NEW YORK, NY 10013-1917 USA
SN 1545-9985
J9 NAT STRUCT MOL BIOL
JI Nat. Struct. Mol. Biol.
PD JAN
PY 2008
VL 15
IS 1
BP 106
EP 108
DI 10.1038/nsmb1320
PG 3
WC Biochemistry & Molecular Biology; Biophysics; Cell Biology
SC Biochemistry & Molecular Biology; Biophysics; Cell Biology
GA 247YP
UT WOS:000252118800018
PM 18084307
ER
PT J
AU Sydow, KR
AF Sydow, Kenneth R.
TI Shipboard maintenance: What do Surface Warfare Officers need to know-and
when do they need to know it?
SO NAVAL ENGINEERS JOURNAL
LA English
DT Article
AB As the Navy has moved into the 21st century and the War on Terror has unfolded, the challenges to ship maintenance management have never been greater. These challenges include: a continuing high operating tempo compounded by less predictable schedules and coupled with fewer, shorter scheduled opportunities to conduct maintenance; a fleet of fewer albeit more capable-and therefore more complex-ships; a trend toward smaller, perhaps less stable crews to operate and maintain the ships; and continuing competition for the available budget dollars between operations and maintenance, as well as between current and future readiness concerns. In an era of "operations focused maintenance," what is the role of the Surface Warfare Officer (SWO) in managing their shipboard maintenance? What do they need to know, and when do they need to know it? This paper addresses these questions and related issues and offers, where applicable, some near-term and long-term recommendations for improvement.
C1 US DOE, Div Naval Reactors, Washington, DC 20585 USA.
RP Sydow, KR (reprint author), US DOE, Div Naval Reactors, Washington, DC 20585 USA.
NR 16
TC 0
Z9 0
U1 0
U2 1
PU AMER SOC NAVAL ENG INC
PI ALEXANDRIA
PA 1452 DUKE STREET, ALEXANDRIA, VA 22314-3458 USA
SN 0028-1425
J9 NAV ENG J
JI Nav. Eng. J.
PY 2008
VL 120
IS 2
BP 89
EP 98
DI 10.1111/j.1559-3584.2008.00127.x
PG 10
WC Engineering, Marine; Engineering, Civil; Oceanography
SC Engineering; Oceanography
GA 352VT
UT WOS:000259526200009
ER
PT S
AU Yan, GH
Eidenbenz, S
AF Yan, Guanhua
Eidenbenz, Stephan
BE Das, A
Pung, HK
Lee, FBS
Wong, LWC
TI DDoS mitigation in non-cooperative environments
SO NETWORKING 2008: AD HOC AND SENSOR NETWORKS, WIRELESS NETWORKS, NEXT
GENERATION INTERNET, PROCEEDINGS
SE LECTURE NOTES IN COMPUTER SCIENCE
LA English
DT Proceedings Paper
CT 7th International IFIP-TC6 Networking Conference
CY MAY 05-09, 2008
CL Singapore, SINGAPORE
AB Distributed denial of service (DDoS) attacks have plagued the Internet for many years. We propose a system to defend against DDoS attacks in a non-cooperative environment, where upstream intermediate networks need to be given an economic incentive in order for them to cooperate in the attack mitigation. Lack of such incentives is a root cause for the rare deployment of distributed DDoS mitigation schemes. Our system is based on game-theoretic principles that provably provide incentives to each participating AS (Autonomous Systems) to report its true defense costs to the victim, which computes and compensates the most cost-efficient (yet still effective) set of defenders ASs. We also present simulation results with real AS-level topologies to demonstrate the economic feasibility of our approach.
C1 [Yan, Guanhua; Eidenbenz, Stephan] Los Alamos Natl Lab, Informat Sci CCS 3, Los Alamos, NM 87544 USA.
RP Yan, GH (reprint author), Los Alamos Natl Lab, Informat Sci CCS 3, POB 1663, Los Alamos, NM 87544 USA.
NR 16
TC 1
Z9 1
U1 0
U2 0
PU SPRINGER-VERLAG BERLIN
PI BERLIN
PA HEIDELBERGER PLATZ 3, D-14197 BERLIN, GERMANY
SN 0302-9743
BN 978-3-540-79548-3
J9 LECT NOTES COMPUT SC
PY 2008
VL 4982
BP 599
EP 611
PG 13
WC Computer Science, Hardware & Architecture; Computer Science, Theory &
Methods
SC Computer Science
GA BHS17
UT WOS:000255924000052
ER
PT J
AU Louis, ED
Keating, GA
Bogen, KT
Rios, E
Pellegrino, KM
Factor-Litvak, P
AF Louis, Elan D.
Keating, Garrett A.
Bogen, Kenneth T.
Rios, Eileen
Pellegrino, Kathryn M.
Factor-Litvak, Pam
TI Dietary epidemiology of essential tremor: Meat consumption and meat
cooking practices
SO NEUROEPIDEMIOLOGY
LA English
DT Article
DE dietary epidemiology, essential tremor; essential tremor; toxin;
harmane; diet, tremor; metabolism, meat
ID HARMALINE-INDUCED TREMOR; 3 ELDERLY POPULATIONS; FREQUENCY
QUESTIONNAIRE; BETA-CARBOLINE; CENTRAL SPAIN; PREVALENCE;
REPRODUCIBILITY; CHILDHOOD; RISK; GENE
AB Background/Aim: Harmane [1-methyl-9H-pyrido(3,4-b) indole] is a tremor-producing neurotoxin. Blood harmane concentrations are elevated in essential tremor (ET) patients for unclear reasons. Potential mechanisms include increased dietary harmane intake (especially through well-cooked meat) or genetic-metabolic factors. We tested the hypothesis that meat consumption and level of meat doneness are higher in ET cases than in controls. Methods: Detailed data were collected using the Lawrence Livermore National Laboratory Meat Questionnaire. Results: Total current meat consumption was greater in men with than without ET (135.3 +/- 71.1 vs. 110.6 +/- 8 80.4 g/day, p = 0.03) but not in women with versus without ET (80.6 +/- 8 50.0 vs. 79.3 +/- 51.0 g/day, p = 0.76). In an adjusted logistic regression analysis in males, higher total current meat consumption was associated with ET (OR = 1.006, p = 0.04, i.e., with 10 additional g/ day of meat, odds of ET increased by 6%). Male cases had higher odds of being in the highest than lowest quartile of total current meat consumption ( adjusted OR = 21.36, p = 0.001). Meat doneness level was similar in cases and controls. Conclusion: This study provides evidence of a dietary difference between male ET cases and male controls. The etiological ramifications of these results warrant additional investigation. Copyright (c) 2008 S. Karger AG, Basel.
C1 [Louis, Elan D.; Rios, Eileen; Pellegrino, Kathryn M.] Columbia Univ, Gertrude H Sergievsky Ctr, Columbia Univ Coll Phys & Surg, New York, NY 10027 USA.
[Louis, Elan D.] Columbia Univ, Dept Neurol, Columbia Univ Coll Phys & Surg, New York, NY 10027 USA.
[Louis, Elan D.] Columbia Univ, Taub Inst Res Alzheimer Dis & Aging Brain, Columbia Univ Coll Phys & Surg, New York, NY 10027 USA.
[Louis, Elan D.; Factor-Litvak, Pam] Columbia Univ, Dept Epidemiol, Mailman Sch Publ Hlth, New York, NY USA.
[Keating, Garrett A.; Bogen, Kenneth T.] Lawrence Livermore Natl Lab, Livermore, CA USA.
RP Louis, ED (reprint author), Neurol Inst, 710 W 168Th St,Unit 198, New York, NY 10032 USA.
EM ed12@columbia.edu
FU NCRR NIH HHS [RR00645, M01 RR000645]; NIEHS NIH HHS [P30 ES009089];
NINDS NIH HHS [R01 NS042859, R01 NS039422]
NR 26
TC 3
Z9 3
U1 0
U2 1
PU KARGER
PI BASEL
PA ALLSCHWILERSTRASSE 10, CH-4009 BASEL, SWITZERLAND
SN 0251-5350
J9 NEUROEPIDEMIOLOGY
JI Neuroepidemiology
PY 2008
VL 30
IS 3
BP 161
EP 166
DI 10.1159/000122333
PG 6
WC Public, Environmental & Occupational Health; Clinical Neurology
SC Public, Environmental & Occupational Health; Neurosciences & Neurology
GA 289XL
UT WOS:000255087100006
PM 18382115
ER
PT J
AU Liebling, CNB
Schiffer, WK
AF Liebling, Courtney N. B.
Schiffer, W. K.
TI Imaging cue-induced brain activations with (18)FDG PET in behaving
animals
SO NEUROIMAGE
LA English
DT Meeting Abstract
CT 7th International Symposium on Functional Neuroreceptor Mapping of the
Living Brain
CY JUL 17-19, 2008
CL Pittsburgh, PA
SP Natl Inst Ment Hlth, Amgen, GE Healthcare, GlaxoSmithKline, Johnson & Johnson, MathworksMatlab, Merek & Co Inc, Pfizer, PMOD Technol, Raytest, GmBH, Siemens Med Syst
C1 [Liebling, Courtney N. B.; Schiffer, W. K.] Brookhaven Natl Lab, Dept Med, Upton, NY 11973 USA.
NR 0
TC 0
Z9 0
U1 0
U2 0
PU ACADEMIC PRESS INC ELSEVIER SCIENCE
PI SAN DIEGO
PA 525 B ST, STE 1900, SAN DIEGO, CA 92101-4495 USA
SN 1053-8119
J9 NEUROIMAGE
JI Neuroimage
PY 2008
VL 41
SU 2
BP T190
EP T190
DI 10.1016/j.neuroimage.2008.04.157
PG 1
WC Neurosciences; Neuroimaging; Radiology, Nuclear Medicine & Medical
Imaging
SC Neurosciences & Neurology; Radiology, Nuclear Medicine & Medical Imaging
GA 326QK
UT WOS:000257673800172
ER
PT J
AU Liebling, CNB
Schiffer, WK
AF Liebling, Courtney N. B.
Schiffer, W. K.
TI Imaging cue-induced striatal dopamine release with [C-11]-raclopride PET
in behaving animals
SO NEUROIMAGE
LA English
DT Meeting Abstract
CT 7th International Symposium on Functional Neuroreceptor Mapping of the
Living Brain
CY JUL 17-19, 2008
CL Pittsburgh, PA
SP Natl Inst Ment Hlth, Amgen, GE Healthcare, GlaxoSmithKline, Johnson & Johnson, MathworksMatlab, Merek & Co Inc, Pfizer, PMOD Technol, Raytest, GmBH, Siemens Med Syst
C1 [Liebling, Courtney N. B.; Schiffer, W. K.] Brookhaven Natl Lab, Dept Med, Upton, NY 11973 USA.
NR 0
TC 0
Z9 0
U1 0
U2 0
PU ACADEMIC PRESS INC ELSEVIER SCIENCE
PI SAN DIEGO
PA 525 B ST, STE 1900, SAN DIEGO, CA 92101-4495 USA
SN 1053-8119
J9 NEUROIMAGE
JI Neuroimage
PY 2008
VL 41
SU 2
BP T130
EP T130
DI 10.1016/j.neuroimage.2008.04.098
PG 1
WC Neurosciences; Neuroimaging; Radiology, Nuclear Medicine & Medical
Imaging
SC Neurosciences & Neurology; Radiology, Nuclear Medicine & Medical Imaging
GA 326QK
UT WOS:000257673800114
ER
PT J
AU Kraus, RH
Volegov, P
Matlachov, A
Espy, M
AF Kraus, R. H., Jr.
Volegov, P.
Matlachov, A.
Espy, M.
TI Toward direct neural current imaging by resonant mechanisms at ultra-low
field
SO NEUROIMAGE
LA English
DT Article
ID MICROTESLA MAGNETIC-FIELDS; NEURONAL-ACTIVITY; MRI DETECTION;
SIMULTANEOUS MAGNETOENCEPHALOGRAPHY; DIPOLE LOCALIZATION; HUMAN BRAIN;
CONTRAST; CORTEX; SIGNAL; NMR
AB A variety of techniques have been developed to noninvasively image human brain function that are central to research and clinical applications endeavoring to understand how the brain works and to detect pathology (e.g. epilepsy, schizophrenia, etc.). Current methods can be broadly divided into those that rely on hemodynamic responses as indicators of neural activity (e.g. fMRI, optical, and PET) and methods that measure neural activity directly (e.g. MEG and EEG). The approaches all suffer from poor temporal resolution, poor spatial localization, or indirectly measuring neural activity. It has been suggested that the proton spin population will be altered by neural activity resulting in a measurable effect on the NMR signal that can be imaged by MRI methods. We present here the physical basis and experimental evidence for the resonant interaction between magnetic fields such as those arising from neural activity, with the spin population in ultra-low field (mu T) NMR experiments. We demonstrate through the use of current phantoms that, in the case of correlated zero-mean current distributions such as those one might expect to result from neural activity, resonant interactions will produce larger changes in the observed NMR signal than dephasing. The observed resonant interactions reported here might one day form the foundation of a new functional neuroimaging modality ultimately capable of simultaneous direct neural activity and brain anatomy tomography. (C) 2007 Elsevier Inc. All rights reserved.
C1 Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
RP Kraus, RH (reprint author), Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
EM rkraus@lanl.gov
NR 28
TC 52
Z9 53
U1 2
U2 11
PU ACADEMIC PRESS INC ELSEVIER SCIENCE
PI SAN DIEGO
PA 525 B ST, STE 1900, SAN DIEGO, CA 92101-4495 USA
SN 1053-8119
J9 NEUROIMAGE
JI Neuroimage
PD JAN 1
PY 2008
VL 39
IS 1
BP 310
EP 317
DI 10.1016/j.neuroimage.2007.07.058
PG 8
WC Neurosciences; Neuroimaging; Radiology, Nuclear Medicine & Medical
Imaging
SC Neurosciences & Neurology; Radiology, Nuclear Medicine & Medical Imaging
GA 237WB
UT WOS:000251406000028
PM 17920296
ER
PT S
AU Morfin, JG
AF Morfin, Jorge G.
BE Yasuda, O
Ohmori, C
Mondal, N
TI Present and future neutrino and anti-neutrino cross section and nuclear
effects studies
SO NEUTRINO FACTORIES, SUPERBEAMS AND BETABEAMS
SE AIP CONFERENCE PROCEEDINGS
LA English
DT Proceedings Paper
CT 9th International Workshop on Neutrino Factories, Superbeams and
Betabeams
CY AUG 06-11, 2007
CL Okayama Univ, Okayama, JAPAN
SP Japan Soc Promot Sci, Indian Dept Sci & Technol
HO Okayama Univ
DE neutrino; cross section; nuclear effects
ID K2K EXPERIMENT; DETECTOR; CONSTRUCTION; PERFORMANCE
AB A careful study of neutrino scattering physics is an essential part of the program to answer many open questions being addressed by several diferent physics communities. A deeper understanding of nuclear effects induced by neutrinos and considerably more accurate measurements of neutrino exclusive cross sections are crucial for minimizing systematics of neutrino oscillation experiments.
C1 Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA.
RP Morfin, JG (reprint author), Fermilab Natl Accelerator Lab, POB 500, Batavia, IL 60510 USA.
NR 22
TC 0
Z9 0
U1 0
U2 0
PU AMER INST PHYSICS
PI MELVILLE
PA 2 HUNTINGTON QUADRANGLE, STE 1NO1, MELVILLE, NY 11747-4501 USA
SN 0094-243X
BN 978-0-7354-0500-4
J9 AIP CONF PROC
PY 2008
VL 981
BP 60
EP 64
PG 5
WC Physics, Particles & Fields
SC Physics
GA BHJ54
UT WOS:000253569400014
ER
PT S
AU Bishai, M
AF Bishai, Mary
CA US Long Baseline Study Grp
BE Yasuda, O
Ohmori, C
Mondal, N
TI The US long baseline neutrino experiment study
SO NEUTRINO FACTORIES, SUPERBEAMS AND BETABEAMS
SE AIP CONFERENCE PROCEEDINGS
LA English
DT Proceedings Paper
CT 9th International Workshop on Neutrino Factories, Superbeams and
Betabeams
CY AUG 06-11, 2007
CL Okayama Univ, Okayama, JAPAN
SP Japan Soc Promot Sci, Indian Dept Sci & Technol
HO Okayama Univ
DE neutrino oscillation; neutrino mixing; long baseline
ID DETECTOR
AB The US Long Baseline Neutrino Experiment Study was commissioned jointly by Brookhaven National Laboratory (BNL)and Fermi National Accelerator Laboratory (FNAL) to investigate the potential for future U.S. based long baseline neutrino oscillation experiments using MW class conventional neutrino beams that can be produced at FNAL. The experimental baselines are based on two possible detector locations: 1) off-axis to the existing FNAL NuMI beamline at baselines of 700 to 810 km and 2) NSF's proposed future Deep Underground Science and Engineering Laboratory (DUSEL) at baselines greater than 1000km. Two detector technologies are considered: a megaton class Water Cherenkov detector deployed deep underground at a DUSEL site, or a 100kT Liquid Argon Time-Projection Chamber (TPC) deployed on the surface at any of the proposed sites. The physics sensitivities of the proposed experiments are summarized. We find that conventional horn focused wide-band neutrino beam options from FNAL aimed at a massive detector with a baseline of > 1000km have the best sensitivity to CP violation and the neutrino mass hierarchy for values of the mixing angle theta(13) down to 2 degrees.
C1 [Bishai, Mary] Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA.
RP Bishai, M (reprint author), Brookhaven Natl Lab, Dept Phys, Bldg 510E,POB 5000, Upton, NY 11973 USA.
NR 14
TC 1
Z9 1
U1 1
U2 1
PU AMER INST PHYSICS
PI MELVILLE
PA 2 HUNTINGTON QUADRANGLE, STE 1NO1, MELVILLE, NY 11747-4501 USA
SN 0094-243X
BN 978-0-7354-0500-4
J9 AIP CONF PROC
PY 2008
VL 981
BP 102
EP 106
PG 5
WC Physics, Particles & Fields
SC Physics
GA BHJ54
UT WOS:000253569400023
ER
PT S
AU Li, DR
AF Li, Derun
BE Yasuda, O
Ohmori, C
Mondal, N
TI Muon cooling R&D progress in the US
SO NEUTRINO FACTORIES, SUPERBEAMS AND BETABEAMS
SE AIP CONFERENCE PROCEEDINGS
LA English
DT Proceedings Paper
CT 9th International Workshop on Neutrino Factories, Superbeams and
Betabeams
CY AUG 06-11, 2007
CL Okayama Univ, Okayama, JAPAN
SP Japan Soc Promot Sci, Indian Dept Sci & Technol
HO Okayama Univ
DE muon ionization cooling; RF cavity; superconducting solenoids; liquid
hydrogen absorber; beryllium windows; neutrino factory; muon collider
AB Muon ionization cooling R&D is important for a neutrino factory and future muon collider. In addition to theoretical studies, much progress has been made in muon cooling channel hardware R&D since NuFact-2006. This paper reports the progress on hardware R&D that includes experimental RF test programs using 805-MHz RF cavity, superconducting (SC) solenoids (coupling coils), 201-MHz RF cavity, liquid hydrogen absorber and MUCOOL Test Area (MTA) experiment preparation for beam tests.
C1 Lawrence Berkeley Natl Lab, Div Accelerator & Fus Res, Berkeley, CA 94720 USA.
RP Li, DR (reprint author), Lawrence Berkeley Natl Lab, Div Accelerator & Fus Res, 1 Cyclotron Rd, Berkeley, CA 94720 USA.
NR 6
TC 0
Z9 0
U1 0
U2 0
PU AMER INST PHYSICS
PI MELVILLE
PA 2 HUNTINGTON QUADRANGLE, STE 1NO1, MELVILLE, NY 11747-4501 USA
SN 0094-243X
BN 978-0-7354-0500-4
J9 AIP CONF PROC
PY 2008
VL 981
BP 112
EP 116
PG 5
WC Physics, Particles & Fields
SC Physics
GA BHJ54
UT WOS:000253569400025
ER
PT S
AU Berg, JS
AF Berg, J. Scott
BE Yasuda, O
Ohmori, C
Mondal, N
TI Using FFAGs in the creation of neutrino beams
SO NEUTRINO FACTORIES, SUPERBEAMS AND BETABEAMS
SE AIP CONFERENCE PROCEEDINGS
LA English
DT Proceedings Paper
CT 9th International Workshop on Neutrino Factories, Superbeams and
Betabeams
CY AUG 06-11, 2007
CL Okayama Univ, Okayama, JAPAN
SP Japan Soc Promot Sci, Indian Dept Sci & Technol
HO Okayama Univ
DE FFAG; fixed field alternating gradient accelerator; neutrino factory;
superbeam; beta beam
ID FIELD ALTERNATING-GRADIENT; ACCELERATORS
AB A number of accelerator-based facilities have been proposed for the creation of neutrino beams: superbeams, neutrino factories, and beta beams. Fixed field alternating gradient accelerators (FFAGs) have potential uses in an of these facilities. Superbeams and neutrino factories require high power proton drivers for the production of pions; FFAGs can beneficial for accelerating protons for those machines. FFAGs can reduce the cost of accelerating muons in a neutrino factory because they enable the muons to make many passes through the RF cavities and still accelerate rapidly. FFAGs have potential uses in production of radioactive ions for a beta beam facility, since radioactive ions that decay into high energy neutrinos in their rest frame may potentially be produced in a ring, and the large energy acceptance of an FFAG may be useful for maximizing beam lifetime in such a ring. Finally, FFAGs have been contemplated for use in ionization cooling rings for neutrino factories, since the equilibrium distribution in ionization cooling has a large energy spread for which an FFAG's large energy acceptance is needed, and FFAGs may make it feasible to inject and extract from such a ring.
C1 Brookhaven Natl Lab, Upton, NY 11973 USA.
RP Berg, JS (reprint author), Brookhaven Natl Lab, POB 5000, Upton, NY 11973 USA.
RI Berg, Joseph/E-8371-2014
OI Berg, Joseph/0000-0002-5955-6973
NR 44
TC 0
Z9 0
U1 0
U2 1
PU AMER INST PHYSICS
PI MELVILLE
PA 2 HUNTINGTON QUADRANGLE, STE 1NO1, MELVILLE, NY 11747-4501 USA
SN 0094-243X
BN 978-0-7354-0500-4
J9 AIP CONF PROC
PY 2008
VL 981
BP 117
EP 121
PG 5
WC Physics, Particles & Fields
SC Physics
GA BHJ54
UT WOS:000253569400026
ER
PT S
AU Bross, A
Ellis, M
Geer, S
Mena, O
Pascoli, S
AF Bross, Alan
Ellis, Malcolm
Geer, Steve
Mena, Olga
Pascoli, Silvia
BE Yasuda, O
Ohmori, C
Mondal, N
TI The low-energy Neutrino Factory
SO NEUTRINO FACTORIES, SUPERBEAMS AND BETABEAMS
SE AIP Conference Proceedings
LA English
DT Proceedings Paper
CT 9th International Workshop on Neutrino Factories, Superbeams and
Betabeams
CY AUG 06-11, 2007
CL Okayama Univ, Okayama, JAPAN
SP Japan Soc Promot Sci, Indian Dept Sci & Technol
HO Okayama Univ
DE Neutrino Factory
AB An analysis of the neutrino oscillation physics capability of a low energy Neutrino Factory is presented, including a first simulation of detector efficiency and event energy threshold.
C1 [Bross, Alan; Ellis, Malcolm; Geer, Steve] Fermilab Natl Accelerator Lab, POB 500, Batavia, IL 60510 USA.
[Mena, Olga] Univ Roma La Sapienza, Ist Nazl Fis Nucl, Sez Rome, Dipartimento Fis, I-00185 Rome, Italy.
[Pascoli, Silvia] Univ Durham, Dept Phys, IPPP, Durham DH1 3LE, England.
[Ellis, Malcolm] Brunel Univ, Uxbridge UB8 3 PH, Middx, England.
RP Bross, A (reprint author), Fermilab Natl Accelerator Lab, POB 500, Batavia, IL 60510 USA.
EM 1-Malcolm.Ellis@brunel.ac.uk
FU European Programme "The Quest for Unification" [MRTN-CT-2004-5033669];
Fermi National Accelerator Laboratory; U.S. Department of Energy
[DEAC02-76CH03000]; CARE [RII3-CT-2003-506395]
FX This work was supported in part by the European Programme "The Quest for
Unification" contract MRTN-CT-2004-5033669, and by the Fermi National
Accelerator Laboratory, which is operated by the Fermi Research
Association, under contract No. DEAC02-76CH03000 with the U.S.
Department of Energy. SP acknowledges the support of CARE, contract
number RII3-CT-2003-506395. OM and SP would like to thank the
Theoretical Physics Department at Fermilab for their hospitality and
support.
NR 7
TC 2
Z9 2
U1 0
U2 0
PU AMER INST PHYSICS
PI MELVILLE
PA 2 HUNTINGTON QUADRANGLE, STE 1NO1, MELVILLE, NY 11747-4501 USA
SN 0094-243X
BN 978-0-7354-0500-4
J9 AIP CONF PROC
PY 2008
VL 981
BP 187
EP +
PG 2
WC Physics, Particles & Fields
SC Physics
GA BHJ54
UT WOS:000253569400046
ER
PT S
AU Li, D
Ohmori, C
AF Li, D.
Ohmori, C.
BE Yasuda, O
Ohmori, C
Mondal, N
TI Summary of working group on accelerator physics and machine design and
R&Dd
SO NEUTRINO FACTORIES, SUPERBEAMS AND BETABEAMS
SE AIP Conference Proceedings
LA English
DT Proceedings Paper
CT 9th International Workshop on Neutrino Factories, Superbeams and
Betabeams
CY AUG 06-11, 2007
CL Okayama Univ, Okayama, JAPAN
SP Japan Soc Promot Sci, Indian Dept Sci & Technol
HO Okayama Univ
DE neutrino factory; accelerator; proton driver; target; collection scheme;
muon acceleration; muon collider
AB Working Group on Accelerator Physics and Machine Design R&D at Nufact-2007 focuses on topics on accelerator physics and technical issues of hardware components associated with a Neutrino Factory or its subsystems. There were 32 presentations given at the working group. A special session was held to discuss collaboration opportunities with the Muon Collider Task Force (MCTF) at Fermilab in consideration of many overlaps in the machine R&D between a Neutrino Factory and a Muon Collider. Two more sessions were held jointly with Working Group 2 on muon collection schemes and other related subjects.
C1 [Li, D.] Lawrence Berkeley Lab, Div Accelerator & Fus Res, 1 Cyclotron Rd, Berkeley, CA 94720 USA.
[Ohmori, C.] KEK, Tsukuba, Ibaraki 3058501, Japan.
RP Li, D (reprint author), Lawrence Berkeley Lab, Div Accelerator & Fus Res, 1 Cyclotron Rd, Berkeley, CA 94720 USA.
NR 1
TC 0
Z9 0
U1 0
U2 0
PU AMER INST PHYSICS
PI MELVILLE
PA 2 HUNTINGTON QUADRANGLE, STE 1NO1, MELVILLE, NY 11747-4501 USA
SN 0094-243X
BN 978-0-7354-0500-4
J9 AIP CONF PROC
PY 2008
VL 981
BP 270
EP +
PG 2
WC Physics, Particles & Fields
SC Physics
GA BHJ54
UT WOS:000253569400074
ER
PT S
AU Geer, S
AF Geer, Steve
BE Yasuda, O
Ohmori, C
Mondal, N
TI Femilab Muon Collider Task Force
SO NEUTRINO FACTORIES, SUPERBEAMS AND BETABEAMS
SE AIP CONFERENCE PROCEEDINGS
LA English
DT Proceedings Paper
CT 9th International Workshop on Neutrino Factories, Superbeams and
Betabeams
CY AUG 06-11, 2007
CL Okayama Univ, Okayama, JAPAN
SP Japan Soc Promot Sci, Indian Dept Sci & Technol
HO Okayama Univ
DE ionization cooling; Muon Colliders
AB A summary is given of results from the first year of Muon Collider Task Force activities.
C1 Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA.
RP Geer, S (reprint author), Fermilab Natl Accelerator Lab, POB 500, Batavia, IL 60510 USA.
NR 2
TC 0
Z9 0
U1 0
U2 0
PU AMER INST PHYSICS
PI MELVILLE
PA 2 HUNTINGTON QUADRANGLE, STE 1NO1, MELVILLE, NY 11747-4501 USA
SN 0094-243X
BN 978-0-7354-0500-4
J9 AIP CONF PROC
PY 2008
VL 981
BP 287
EP 289
PG 3
WC Physics, Particles & Fields
SC Physics
GA BHJ54
UT WOS:000253569400079
ER
PT S
AU Zisman, MS
AF Zisman, Michael S.
CA Mice Collaboration
BE Yasuda, O
Ohmori, C
Mondal, N
TI MICE construction status
SO NEUTRINO FACTORIES, SUPERBEAMS AND BETABEAMS
SE AIP CONFERENCE PROCEEDINGS
LA English
DT Proceedings Paper
CT 9th International Workshop on Neutrino Factories, Superbeams and
Betabeams
CY AUG 06-11, 2007
CL Okayama Univ, Okayama, JAPAN
SP Japan Soc Promot Sci, Indian Dept Sci & Technol
HO Okayama Univ
DE neutrino factory; muon ionization cooling
AB MICE, the Muon Ionization Cooling Experiment, is an approved experiment at the Rutherford Appleton-Laboratory. In this paper, we briefly review the aims of the experiment give an overview of the system, and indicate the design and/or construction status of the various major subsystems that comprise the experiment. First beam is expected in January 2008.
C1 Lawrence Berkeley Natl Lab, Ctr Beam Phys, Berkeley, CA 94720 USA.
RP Zisman, MS (reprint author), Lawrence Berkeley Natl Lab, Ctr Beam Phys, Berkeley, CA 94720 USA.
NR 2
TC 0
Z9 0
U1 0
U2 0
PU AMER INST PHYSICS
PI MELVILLE
PA 2 HUNTINGTON QUADRANGLE, STE 1NO1, MELVILLE, NY 11747-4501 USA
SN 0094-243X
BN 978-0-7354-0500-4
J9 AIP CONF PROC
PY 2008
VL 981
BP 293
EP 295
PG 3
WC Physics, Particles & Fields
SC Physics
GA BHJ54
UT WOS:000253569400081
ER
PT S
AU Li, D
Dickson, M
Virostek, S
Zisman, M
Bross, A
Moretti, A
Qlan, Z
Norem, J
Rininiei, R
Huang, D
Torun, Y
SuninierS, D
Lau, W
Yang, S
AF Li, D.
Dickson, M.
Virostek, S.
Zisman, M.
Bross, A.
Moretti, A.
Qlan, Z.
Norem, J.
Rininiei, R.
Huang, D.
Torun, Y.
SuninierS, D.
Lau, W.
Yang, S.
BE Yasuda, O
Ohmori, C
Mondal, N
TI MUCOOL/MICE RF cavity R&D programs
SO NEUTRINO FACTORIES, SUPERBEAMS AND BETABEAMS
SE AIP Conference Proceedings
LA English
DT Proceedings Paper
CT 9th International Workshop on Neutrino Factories, Superbeams and
Betabeams
CY AUG 06-11, 2007
CL Okayama Univ, Okayama, JAPAN
SP Japan Soc Promot Sci, Indian Dept Sci & Technol
HO Okayama Univ
DE RF cavity; muon ionization cooling; neutrino factory; muon collider;
superconducting magnet
AB We report recent progress on normal conducting RF cavity R&D for the US MUCOOL program and international Muon Ionization Cooling Experiment (MICE).
C1 [Li, D.; Dickson, M.; Virostek, S.; Zisman, M.; Bross, A.; Moretti, A.] Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA.
[Qlan, Z.] Fermilab Natl Accelerator Lab, Batavia, IL USA.
[Norem, J.] Argonne Natl Lab, Argonne, IL USA.
[Rininiei, R.] Thomas Jefferson Natl Accelerator Facil, Newport News, VA USA.
[Torun, Y.] IIT, Chicago, IL USA.
[SuninierS, D.] Univ Mississippi, University, MS 38677 USA.
[Yang, S.] Univ Oxford, Dept Phys, Oxford OX1 2JD, England.
RP Li, D (reprint author), Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA.
OI Torun, Yagmur/0000-0003-2336-6585
FU US Department of Energy [DE-AC02-05CH11231]
FX Work supported by the Director, Office of Science, High Energy Physics,
US Department of Energy under Contract No. DE-AC02-05CH11231.
NR 8
TC 2
Z9 2
U1 0
U2 2
PU AMER INST PHYSICS
PI MELVILLE
PA 2 HUNTINGTON QUADRANGLE, STE 1NO1, MELVILLE, NY 11747-4501 USA
SN 0094-243X
BN 978-0-7354-0500-4
J9 AIP CONF PROC
PY 2008
VL 981
BP 299
EP +
PG 2
WC Physics, Particles & Fields
SC Physics
GA BHJ54
UT WOS:000253569400083
ER
PT S
AU Palmer, RB
Berg, JS
Femow, RC
Gallardo, JC
Kirk, HG
AF Palmer, Robert B.
Berg, J. Scott
Femow, Richard C.
Gallardo, Juan C.
Kirk, Harold G.
BE Yasuda, O
Ohmori, C
Mondal, N
TI Open cavity solutions to the rf in magnetic field problem
SO NEUTRINO FACTORIES, SUPERBEAMS AND BETABEAMS
SE AIP CONFERENCE PROCEEDINGS
LA English
DT Proceedings Paper
CT 9th International Workshop on Neutrino Factories, Superbeams and
Betabeams
CY AUG 06-11, 2007
CL Okayama Univ, Okayama, JAPAN
SP Japan Soc Promot Sci, Indian Dept Sci & Technol
HO Okayama Univ
DE Muon Collider; rf; breakdown
AB It has been observed [1] that breakdown in an 805 MHz pill-box cavity occurs at much lower gradients as an external axial magnetic field is increased. This effect was not observed with on open iris cavity. It is proposed that this effect depends on the relative angles of the magnetic and maximum electric fields: parallel in the pill-box case; at an angle in the open iris case. If so, using an open iris structure with solenoid coils in the irises should perform even better. A lattice, using this principle, is presented, for use in 6D cooling for a Muon Collider. Experimental layouts to test this principle are proposed.
C1 [Palmer, Robert B.; Berg, J. Scott; Femow, Richard C.; Gallardo, Juan C.; Kirk, Harold G.] Brookhaven Natl Lab, Upton, NY 11973 USA.
RP Palmer, RB (reprint author), Brookhaven Natl Lab, Upton, NY 11973 USA.
RI Berg, Joseph/E-8371-2014;
OI Berg, Joseph/0000-0002-5955-6973; Gallardo, Juan C/0000-0002-5191-3067
NR 8
TC 0
Z9 0
U1 0
U2 0
PU AMER INST PHYSICS
PI MELVILLE
PA 2 HUNTINGTON QUADRANGLE, STE 1NO1, MELVILLE, NY 11747-4501 USA
SN 0094-243X
BN 978-0-7354-0500-4
J9 AIP CONF PROC
PY 2008
VL 981
BP 306
EP 308
PG 3
WC Physics, Particles & Fields
SC Physics
GA BHJ54
UT WOS:000253569400085
ER
PT S
AU Bishai, M
Diwan, M
Gallardo, J
Garate, E
Hershcovitch, A
Johnson, B
Kahn, S
Kirk, H
Rostoker, N
Van Drie, A
Weng, W
AF Bishai, M.
Diwan, M.
Gallardo, J.
Garate, E.
Hershcovitch, A.
Johnson, B.
Kahn, S.
Kirk, H.
Rostoker, N.
Van Drie, A.
Weng, W.
BE Yasuda, O
Ohmori, C
Mondal, N
TI Plasma lens for a US based super neutrino beam
SO NEUTRINO FACTORIES, SUPERBEAMS AND BETABEAMS
SE AIP Conference Proceedings
LA English
DT Proceedings Paper
CT 9th International Workshop on Neutrino Factories, Superbeams and
Betabeams
CY AUG 06-11, 2007
CL Okayama Univ, Okayama, JAPAN
SP Japan Soc Promot Sci, Indian Dept Sci & Technol
HO Okayama Univ
DE plasma lens; neutrino hom
ID TRANSPORT
AB The plasma lens concept is examined as an alternative to focusing horns and solenoids for a neutrino beam facility. The concept is based on a combined high-current lens/target configuration. Current is fed at an electrode located downstream from the beginning of the target where pion capturing is needed. The current is carried by plasma outside the target. A second plasma lens section, with an additional current feed, follows the target. The plasma is immersed in a solenoidal magnetic field to facilitate its current profile shaping to optimize pion capture. Simulations of the not yet fully optimized configuration yielded a 25% higher neutrino flux at a detector situated at 3 kin from the target than the horn system for the entire enegry spectrum and a factor of 2.47 higher flux for neutrinos with energy larger than 3 GeV A major advantage of plasma lenses is in background reduction. In anti-neutrino operation, neutrino background is reduced by a factor of close to 3 for the whole spectrum, and for and for energy larger than 3 GeV, neutrino background is reduced by a factor of 3.6. Plasma lens advantages are due to: larger axial currents, high signal purity: minimal neutrino background in anti-neutrino ram. Additionally the lens medium consists of plasma, consequently, particle absorption and scattering is negligible. Withstanding high mechanical and thermal stresses in a plasma is not an issue.
C1 [Bishai, M.; Diwan, M.; Gallardo, J.; Hershcovitch, A.; Johnson, B.; Kirk, H.; Weng, W.] Brookhaven Natl Lab, Upton, NY 11973 USA.
[Kahn, S.] Muons Inc, Batavia, IL 60510 USA.
[Garate, E.; Van Drie, A.] Univ Calif Irvine, Irvine, CA 62697 USA.
RP Bishai, M (reprint author), Brookhaven Natl Lab, Upton, NY 11973 USA.
FU Brookhaven Science Associates, LLC [DEAC02-98CH1-886]
FX This manuscript has been authored by Brookhaven Science Associates, LLC
under Contract No. DEAC02-98CH1-886 with the US Department of Energy.
The U.S. Government retains, and the publisher, by accepting the article
for publication, acknowledges, a world-wide license to publish or
reproduce the published form of this manuscript, or others to do so, for
the U. S. Government purposes.
NR 15
TC 0
Z9 0
U1 0
U2 1
PU AMER INST PHYSICS
PI MELVILLE
PA 2 HUNTINGTON QUADRANGLE, STE 1NO1, MELVILLE, NY 11747-4501 USA
SN 0094-243X
BN 978-0-7354-0500-4
J9 AIP CONF PROC
PY 2008
VL 981
BP 315
EP +
PG 2
WC Physics, Particles & Fields
SC Physics
GA BHJ54
UT WOS:000253569400088
ER
PT S
AU Berg, JS
AF Berg, J. Scott
BE Yasuda, O
Ohmori, C
Mondal, N
TI R&D topics for neutrino factory acceleration
SO NEUTRINO FACTORIES, SUPERBEAMS AND BETABEAMS
SE AIP CONFERENCE PROCEEDINGS
LA English
DT Proceedings Paper
CT 9th International Workshop on Neutrino Factories, Superbeams and
Betabeams
CY AUG 06-11, 2007
CL Okayama Univ, Okayama, JAPAN
SP Japan Soc Promot Sci, Indian Dept Sci & Technol
HO Okayama Univ
DE muon; acceleration; linac; recirculating linear accelerator; fixed field
alternating gradient accelerator; neutrino factory
AB The muons in a neutrino factory must be accelerated from the energy of the capture, phase rotation, and cooling systems (around 120 MeV kinetic energy) to the energy of the storage ring (around 25 GeV). This is done with a sequence of accelerators of different types: a linac, one or more recirculating linear accelerators, and finally one or more fixed field alternating gradient accelerators (FFAGs). I discuss the R&D that is needed to arrive at a complete system which we can have confidence will accelerate the beam and for which we can obtain a cost estimate.
C1 Brookhaven Natl Lab, Upton, NY 11973 USA.
RP Berg, JS (reprint author), Brookhaven Natl Lab, POB 5000, Upton, NY 11973 USA.
RI Berg, Joseph/E-8371-2014
OI Berg, Joseph/0000-0002-5955-6973
NR 19
TC 1
Z9 1
U1 0
U2 0
PU AMER INST PHYSICS
PI MELVILLE
PA 2 HUNTINGTON QUADRANGLE, STE 1NO1, MELVILLE, NY 11747-4501 USA
SN 0094-243X
BN 978-0-7354-0500-4
J9 AIP CONF PROC
PY 2008
VL 981
BP 327
EP 329
PG 3
WC Physics, Particles & Fields
SC Physics
GA BHJ54
UT WOS:000253569400092
ER
PT S
AU Berg, JS
AF Berg, J. Scott
BE Yasuda, O
Ohmori, C
Mondal, N
TI The EMMA lattice
SO NEUTRINO FACTORIES, SUPERBEAMS AND BETABEAMS
SE AIP CONFERENCE PROCEEDINGS
LA English
DT Proceedings Paper
CT 9th International Workshop on Neutrino Factories, Superbeams and
Betabeams
CY AUG 06-11, 2007
CL Okayama Univ, Okayama, JAPAN
SP Japan Soc Promot Sci, Indian Dept Sci & Technol
HO Okayama Univ
DE non-scaling fixed field alternating gradient accelerator
AB EMMA is a 10 to 20 MeV electron ring designed to test our understanding of beam dynamics in a relativistic linear non-scaling fixed field alternating gradient accelerator (FFAG). I will give a basic review of the EMMA lattice parameters. Then I will review the different lattice configurations that we would like to have for EMMA. Finally, I will briefly discuss the process of commissioning each lattice configuration.
C1 Brookhaven Natl Lab, Upton, NY 11973 USA.
RP Berg, JS (reprint author), Brookhaven Natl Lab, POB 5000, Upton, NY 11973 USA.
RI Berg, Joseph/E-8371-2014
OI Berg, Joseph/0000-0002-5955-6973
NR 7
TC 1
Z9 1
U1 0
U2 0
PU AMER INST PHYSICS
PI MELVILLE
PA 2 HUNTINGTON QUADRANGLE, STE 1NO1, MELVILLE, NY 11747-4501 USA
SN 0094-243X
BN 978-0-7354-0500-4
J9 AIP CONF PROC
PY 2008
VL 981
BP 330
EP 332
PG 3
WC Physics, Particles & Fields
SC Physics
GA BHJ54
UT WOS:000253569400093
ER
PT S
AU Green, MA
AF Green, Mchael A.
BE Yasuda, O
Ohmori, C
Mondal, N
TI The effect of extending the length of the coupling coils in a muon
ionization cooling channel
SO NEUTRINO FACTORIES, SUPERBEAMS AND BETABEAMS
SE AIP CONFERENCE PROCEEDINGS
LA English
DT Proceedings Paper
CT 9th International Workshop on Neutrino Factories, Superbeams and
Betabeams
CY AUG 06-11, 2007
CL Okayama Univ, Okayama, JAPAN
SP Japan Soc Promot Sci, Indian Dept Sci & Technol
HO Okayama Univ
DE muon ionization cooling; superconducting magnet.
AB RF cavities are used to re-accelerate muons that have been cooled by absorbers that are in low beta regions of a muon ionization cooling channel. A superconducting coupling magnet (or magnets) are around or among the RF cavities of a muon ionization-cooling channel. The field from the magnet guides the muons so that they are kept within the iris of the RF cavities that are used to accelerate the muons. This report compares the use of a single short coupling magnet with an extended coupling magnet that has one or more superconducting coils as part of a muon-cooling channel of the same design as the muon ionization cooling experiment (MICE). Whether the superconducting magnet is short and thick or long and this affects the magnet stored energy and the peak field in the winding. The magnetic field distribution also affects is the muon beam optics in the cooling cell of a muon cooling channel.
C1 Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA.
RP Green, MA (reprint author), Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA.
NR 8
TC 0
Z9 0
U1 0
U2 1
PU AMER INST PHYSICS
PI MELVILLE
PA 2 HUNTINGTON QUADRANGLE, STE 1NO1, MELVILLE, NY 11747-4501 USA
SN 0094-243X
BN 978-0-7354-0500-4
J9 AIP CONF PROC
PY 2008
VL 981
BP 339
EP 344
PG 6
WC Physics, Particles & Fields
SC Physics
GA BHJ54
UT WOS:000253569400096
ER
PT S
AU Miyadera, H
Jason, AJ
Nagamine, K
AF Miyadera, H.
Jason, A. J.
Nagamine, K.
BE Yasuda, O
Ohmori, C
Mondal, N
TI Muon project at Los Alamos
SO NEUTRINO FACTORIES, SUPERBEAMS AND BETABEAMS
SE AIP Conference Proceedings
LA English
DT Proceedings Paper
CT 9th International Workshop on Neutrino Factories, Superbeams and
Betabeams
CY AUG 06-11, 2007
CL Okayama Univ, Okayama, JAPAN
SP Japan Soc Promot Sci, Indian Dept Sci & Technol
HO Okayama Univ
DE muon beam; mu SR; RFQ
ID BEAM; GENERATION; FUTURE; PSI
AB We are working on designing a next-generation muon facility for LANSCE at Los Alamos National Laboratory. The use of muon accelerators is the key feature to generate a muon micro beam of tunable energy. The muon micro beam will realize a beam luminocity of 10(9) mu(+)/cm(2)s which is 4 orders or more higher than present muon facilities. Some designs and results of simulations, especially a high-collection muon radio-frequency quadrupole, are described in this paper.
C1 [Miyadera, H.; Jason, A. J.] Los Alamos Natl Lab, Accelerator & Beam Sci Grp, POB 1663, Los Alamos, NM 87545 USA.
[Nagamine, K.] Univ Calif Riverside, Dept Phys & Astron, Riverside, CA 92521 USA.
RP Miyadera, H (reprint author), Los Alamos Natl Lab, Accelerator & Beam Sci Grp, POB 1663, Los Alamos, NM 87545 USA.
FU Accelerator & Beam Science Group at LANL; Muon Group at UC Riverside
FX We acknowledge M. Okamura (BNL) for his remarkable suggestions to design
a muon RFQ with large-energy acceptance. We appreciate T. Wangler, J.
Billen and S. Kurennoy (LANL) for their helps on beam simulations. We
would like to thank the Accelerator & Beam Science Group at LANL and
Muon Group at UC Riverside for their strong supports on the current
project.
NR 13
TC 0
Z9 0
U1 0
U2 1
PU AMER INST PHYSICS
PI MELVILLE
PA 2 HUNTINGTON QUADRANGLE, STE 1NO1, MELVILLE, NY 11747-4501 USA
SN 0094-243X
BN 978-0-7354-0500-4
J9 AIP CONF PROC
PY 2008
VL 981
BP 360
EP +
PG 2
WC Physics, Particles & Fields
SC Physics
GA BHJ54
UT WOS:000253569400102
ER
PT B
AU Hickner, MA
Siegel, NP
Chen, KS
Hussey, DS
Jacobson, DL
Arif, M
AF Hickner, M. A.
Siegel, N. P.
Chen, K. S.
Hussey, D. S.
Jacobson, D. L.
Arif, M.
BE Arif, M
Downing, RG
TI Exploring Liquid Water Distribution and Local Heating Effects in an
Operating Proton Exchange Membrane Fuel Cell
SO NEUTRON RADIOGRAPHY
LA English
DT Proceedings Paper
CT 8th World Conference on Neutron Radiography
CY OCT 16-19, 2006
CL Natl Inst Standards & Technol, Gaithersburg, MD
HO Natl Inst Standards & Technol
AB Neutron radiography experiments were performed on an operating proton exchange membrane fuel cell at the NIST Center for Neutron Research. The NIST Neutron Imaging Facility at BT-2 enables liquid water in standard fuel cell test hardware to be imaged with resolution of approximately 130 microns using an amorphous silicon flat panel detector. The majority of the experiments in this work were performed with the cell plane oriented normal to the beam to measure the "face-on" area distribution of liquid water across the 50 cm(2) surface of the cell. Effects of current density and temperature on the distribution and quantity of water were quantified for a range of conditions. A select number of experiments were performed with the cell face oriented parallel with the beam to image the water content profile of the operating fuel cell. These few experiments were performed to confirm that most of the effects observed were dominated by changes in the cathode water content.
C1 [Hickner, M. A.; Siegel, N. P.; Chen, K. S.] Sandia Natl Labs, Albuquerque, NM 87185 USA.
RP Hickner, MA (reprint author), Sandia Natl Labs, POB 5800, Albuquerque, NM 87185 USA.
NR 4
TC 2
Z9 2
U1 0
U2 0
PU DESTECH PUBLICATIONS, INC
PI LANCASTER
PA 439 DUKE STREET, LANCASTER, PA 17602-4967 USA
BN 978-1-932078-74-9
PY 2008
BP 480
EP 486
PG 7
WC Imaging Science & Photographic Technology
SC Imaging Science & Photographic Technology
GA BIL10
UT WOS:000260456500056
ER
PT B
AU Shingledecker, JP
Santella, ML
Wilson, KA
AF Shingledecker, J. P.
Santella, M. L.
Wilson, K. A.
GP TMS
TI EVALUATION OF SPECIFICATION RANGES FOR CREEP STRENGTH ENHANCED FERRITIC
STEELS
SO NEW DEVELOPMENTS ON METALLURGY AND APPLICATIONS OF HIGH STRENGTH STEELS:
BUENOS AIRES 2008, VOLS 1 AND 2, PROCEEDINGS,
LA English
DT Proceedings Paper
CT Conference on New Developments on Metallurgy and Applications of High
Strength Steels
CY MAY 26-28, 2008
CL Buenos Aires, ARGENTINA
SP Ternium, Tenaris, SAM, AIM, TMS, ABM
AB Creep Strength Enhanced Ferritic Steels (CSEF) such as Gr. 91, 911, 92, and 122 require a fully martensitic structure for optimum properties, mainly good creep strength. However, broad chemical compositional ranges are specified for these steel grades which can strongly influence the microstructures obtained. In this study, we have produced chemical compositions within the specification ranges for these alloys, which intentionally cause the formation of ferrite or substantially alter the lower intercritical temperatures (A,) so as to affect the phase transformation behavior during tempering. Thermodynamic modeling, thermo-mechanical simulation, tensile testing, creep testing, and microstructural analysis were used to evaluate these materials. The results show the usefulness of thermodynamic calculations for setting rational chemical composition ranges for CSEF steels to control the critical temperatures, set heat-treatment temperature limits, and eliminate the formation of ferrite.
C1 [Shingledecker, J. P.; Santella, M. L.] Oak Ridge Natl Lab, Oak Ridge, TN 37931 USA.
RP Shingledecker, JP (reprint author), Oak Ridge Natl Lab, 1 Bethel Valley Rd, Oak Ridge, TN 37931 USA.
EM shingledecjp@ornl.gov; santellaml@ornl.gov; kewilson@mtu.edu
NR 11
TC 0
Z9 0
U1 0
U2 2
PU MINERALS, METALS & MATERIALS SOC
PI WARRENDALE
PA 184 THORN HILL RD, WARRENDALE, PA 15086-7514 USA
BN 978-0-87339-729-2
PY 2008
BP 309
EP 317
PG 9
WC Metallurgy & Metallurgical Engineering
SC Metallurgy & Metallurgical Engineering
GA BIY11
UT WOS:000263677000026
ER
PT J
AU Yuan, L
Sumpter, BG
Abboud, KA
Castellano, RK
AF Yuan, Ling
Sumpter, Bobby G.
Abboud, Khalil A.
Castellano, Ronald K.
TI Links between through-bond interactions and assembly structure in simple
piperidones
SO NEW JOURNAL OF CHEMISTRY
LA English
DT Article
ID CORRELATED MOLECULAR CALCULATIONS; SIGMA-ACCEPTOR MOLECULES;
MANY-ELECTRON SYSTEMS; GAUSSIAN-BASIS SETS; X-RAY-ANALYSIS; 6-MEMBERED
RINGS; SOLID-STATE; CONFORMATIONAL-ANALYSIS; NITROGEN INVERSION;
PHOTOELECTRON-SPECTROSCOPY
AB 3,5-Disubstituted piperidones provide an opportunity to explore donor-acceptor through-bond interactions in the context of molecular and supramolecular structure. The crystal structure of cis-3,5-dibenzyl-1-pheylpiperidin-4-one 3 is disordered and the lattice accommodates a similar to 3 : 1 ratio of the N-Ph equatorial (3-eq) and N-Ph axial (3-ax) epimers, based on refined values of occupancy factors. The fortuitous result allows a side-by-side comparison of the two configurations with respect to their donor-acceptor through-bond interactions. The energy difference between 3-ax and 3-eq (Delta E(ax)-eq) has been evaluated in the gas phase using extensive first principles calculations, and for many levels of theory this difference parallels the experimentally-observed configurational ratio in the solid state (where the epimers share nearly identical packing environments). The calculations further show a difference in the through-bond stabilization for 3-ax and 3-eq, with larger contributions for 3-ax. Natural bond order (NBO) analysis quantifies the delocalization of the donor nitrogen lone pair into the adjacent carbon-carbon bonds and carbonyl acceptor for the 3-ax epimer. The work concludes that molecular-level structural perturbations that arise from or otherwise influence through-bond donor-acceptor interactions have consequences on solid-state and supramolecular assembly structure.
C1 [Yuan, Ling; Abboud, Khalil A.; Castellano, Ronald K.] Univ Florida, Dept Chem, Gainesville, FL 32611 USA.
[Sumpter, Bobby G.] Oak Ridge Natl Lab, Div Math & Comp Sci, Oak Ridge, TN 37831 USA.
[Sumpter, Bobby G.] Oak Ridge Natl Lab, Ctr Nanophase Mat Sci, Oak Ridge, TN 37831 USA.
RP Castellano, RK (reprint author), Univ Florida, Dept Chem, POB 117200, Gainesville, FL 32611 USA.
EM castellano@chem.ufl.edu
RI Castellano, Ronald/C-5082-2012; Sumpter, Bobby/C-9459-2013;
OI Sumpter, Bobby/0000-0001-6341-0355; Castellano,
Ronald/0000-0003-4322-9932
FU National Science Foundation [CHE-0548003]; University of Florida; Center
for Nanophase Materials Sciences (CNMS) [CNMS2004-016, CNMS2007-029];
Division of Scientific User Facilities; US Department of Energy
FX This work was financially supported by the National Science Foundation
CAREER program (CHE-0548003) and the University of Florida. B. G. S.
thanks the Center for Nanophase Materials Sciences (CNMS), sponsored by
the Division of Scientific User Facilities, US Department of Energy. The
extensive computations were performed using the resources of the
National Center for Computational Sciences at Oak Ridge National
Laboratories (ORNL). R. K. C. is grateful to the CNMS User Program
(CNMS2004-016 and CNMS2007-029) for resources. K. A. A. thanks the
National Science Foundation and University of Florida for funding the
X-ray crystallography equipment. We are additionally grateful to Juergen
Koeller for his assistance with processing the X-ray data, Dr Ion
Ghiviriga for help obtaining the 1H NMR spectra of 2 and 3,
and Dr Edo Apra for useful discussions and help with the CCSD(T)
calculations.
NR 80
TC 6
Z9 6
U1 1
U2 10
PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 1144-0546
J9 NEW J CHEM
JI New J. Chem.
PY 2008
VL 32
IS 11
BP 1924
EP 1934
DI 10.1039/b808818g
PG 11
WC Chemistry, Multidisciplinary
SC Chemistry
GA 384LJ
UT WOS:000261746000014
ER
PT J
AU Hardacre, C
Holbrey, JD
Mullan, CL
Nieuwenhuyzen, M
Reichert, WM
Seddon, KR
Teat, SJ
AF Hardacre, Christopher
Holbrey, John D.
Mullan, Claire L.
Nieuwenhuyzen, Mark
Reichert, W. Matthew
Seddon, Kenneth R.
Teat, Simon J.
TI Ionic liquid characteristics of 1-alkyl-n-cyanopyridinium and
1-alkyl-n-(trifluoromethyl) pyridinium salts
SO NEW JOURNAL OF CHEMISTRY
LA English
DT Article
ID AROMATIC-HYDROCARBONS; COUPLING REACTIONS; ALUMINUM-CHLORIDE;
MELTING-POINTS; PHASE-BEHAVIOR; MIXTURES; VISCOSITY; IODIDE;
CRYSTALLINE; ANIONS
AB 1-Alkyl-n-cyanopyridinium and 1-alkyl-n-(trifluoromethyl) pyridinium salts have been synthesised and characterised in order to compare the effects of different electron-withdrawing functional groups on their ability to form ionic liquids. The presence of the electron-withdrawing nitrile or trifluoromethyl substituent on the pyridinium ring leads to salts with higher melting points than with the corresponding 1-alkylpyridinium or 1-alkylpicolinium cations. Solid-state structures were determined by single crystal X-ray crystallography for seven salts; 1-methyl-4-cyanopyridinium methylsulfate, and 1-methyl-3-cyanopyridinium, 1-methyl-4-cyanopyridinium, 1-ethyl-2-cyanopyridinium, 1-ethyl-3-cyanopyridinium, 1-ethyl-4-cyanopyridinium and 1-ethyl-4-(trifluormethyl) pyridinium bis{(trifluoromethyl) sulfonyl} imide, and show the effects of ring-substitution position on hydrogen-bonding in the solid-state and on melting points.
C1 [Hardacre, Christopher; Holbrey, John D.; Mullan, Claire L.; Seddon, Kenneth R.] Queens Univ Belfast, QUILL Res Ctr, Belfast BT9 5AG, Antrim, North Ireland.
[Nieuwenhuyzen, Mark] Queens Univ Belfast, Dept Chem & Chem Engn, Belfast BT9 5AG, Antrim, North Ireland.
[Reichert, W. Matthew] USN, Res Acad, Dept Chem, Annapolis, MD 21402 USA.
[Teat, Simon J.] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
RP Holbrey, JD (reprint author), Queens Univ Belfast, QUILL Res Ctr, Belfast BT9 5AG, Antrim, North Ireland.
EM j.holbrey@qub.ac.uk
OI Holbrey, John/0000-0002-3084-8438; Hardacre,
Christopher/0000-0001-7256-6765
FU BP; QUILL; EPSRC [EP/D029538/1]; U. S. Department of Energy
[DE-AC0205CH11231]; U. S. Air Force Office of Scientific Research; U. S.
Naval Academy
FX The authors gratefully acknowledge BP, QUILL and the EPSRC (Portfolio
Partnership Scheme, Grant EP/D029538/1) for funding. 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-AC0205CH11231. W. M. R would like to acknowledge the support of Paul
Trulove and Hugh De Long. Portions of this work were funded by the U. S.
Air Force Office of Scientific Research and the U. S. Naval Academy. Any
opinions,findings, and conclusions or recommendations expressed in this
material are those of the author(s) and do not necessarily reflect the
views of the U. S. Air Force or Navy.
NR 52
TC 15
Z9 15
U1 1
U2 12
PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 1144-0546
J9 NEW J CHEM
JI New J. Chem.
PY 2008
VL 32
IS 11
BP 1953
EP 1967
DI 10.1039/b805063e
PG 15
WC Chemistry, Multidisciplinary
SC Chemistry
GA 384LJ
UT WOS:000261746000017
ER
PT J
AU Okumoto, S
Takanaga, H
Frommer, WB
AF Okumoto, Sakiko
Takanaga, Hitomi
Frommer, Wolf B.
TI Quantitative imaging for discovery and assembly of the metabo-regulome
SO NEW PHYTOLOGIST
LA English
DT Review
DE fluorescence resonance energy transfer (FRET); fluxomics; metabolomics;
metabolic signaling; metabolic pathways; sugar signaling
ID RESONANCE ENERGY-TRANSFER; GENETICALLY ENCODED INDICATORS; GREEN
FLUORESCENT PROTEIN; LIVING CELLS; PLASMA-MEMBRANE; INOSITOL
1,4,5-TRISPHOSPHATE; SPATIOTEMPORAL DYNAMICS; ENDOPLASMIC-RETICULUM;
FRET-SENSOR; GUARD-CELLS
AB Little is known about regulatory networks that control metabolic flux in plant cells. Detailed understanding of regulation is crucial for synthetic biology. The difficulty of measuring metabolites with cellular and subcellular precision is a major roadblock. New tools have been developed for monitoring extracellular, cytosolic, organellar and vacuolar ion and metabolite concentrations with a time resolution of milliseconds to hours. Genetically encoded sensors allow quantitative measurement of steady-state concentrations of ions, signaling molecules and metabolites and their respective changes over time. Fluorescence resonance energy transfer (FRET) sensors exploit conformational changes in polypeptides as a proxy for analyte concentrations. Subtle effects of analyte binding on the conformation of the recognition element are translated into a FRET change between two fused green fluorescent protein (GFP) variants, enabling simple monitoring of analyte concentrations using fluorimetry or fluorescence microscopy. Fluorimetry provides information averaged over cell populations, while microscopy detects differences between cells or populations of cells. The genetically encoded sensors can be targeted to subcellular compartments or the cell surface. Confocal microscopy ultimately permits observation of gradients or local differences within a compartment. The FRET assays can be adapted to high-throughput analysis to screen mutant populations in order to systematically identify signaling networks that control individual steps in metabolic flux.
C1 [Takanaga, Hitomi; Frommer, Wolf B.] Carnegie Inst Sci, Dept Plant Biol, Stanford, CA 94305 USA.
[Okumoto, Sakiko] Virginia Polytech Inst & State Univ, Dept Plant Pathol Physiol & Weed Sci, Blacksburg, VA 24061 USA.
[Frommer, Wolf B.] Joint Bioenergy Inst, Feedstocks Div, Oakland, CA 94608 USA.
RP Frommer, WB (reprint author), Carnegie Inst Sci, Dept Plant Biol, 290 Panama St, Stanford, CA 94305 USA.
EM wfrommer@stanford.edu
RI Frommer, Wolf B/A-8256-2008
FU Department of Energy [DE-FG02-04ER15542]; National Institute for Health
[1RO1DK079109-01]
FX We would like to dedicate this review to Ulf-Ingo Flugge, University of
Koln, Widmar Tanner, University of Regensburg and Winslow Briggs, former
Director of the Department of Plant Biology, Carnegie Institution for
Science, Stanford, on the occasion of their 60th, 70th, and 80th
birthdays this year, respectively. This work was made possible by grants
from the Department of Energy (DE-FG02-04ER15542) and the National
Institute for Health (NIDDK; 1RO1DK079109-01).
NR 150
TC 35
Z9 35
U1 2
U2 13
PU WILEY-BLACKWELL
PI MALDEN
PA COMMERCE PLACE, 350 MAIN ST, MALDEN 02148, MA USA
SN 0028-646X
J9 NEW PHYTOL
JI New Phytol.
PY 2008
VL 180
IS 2
BP 271
EP 295
DI 10.1111/j.1469-8137.2008.02611.x
PG 25
WC Plant Sciences
SC Plant Sciences
GA 352VU
UT WOS:000259526300006
PM 19138219
ER
PT J
AU Labbe, J
Zhang, X
Yin, T
Schmutz, J
Grimwood, J
Martin, F
Tuskan, GA
Le Tacon, F
AF Labbe, J.
Zhang, X.
Yin, T.
Schmutz, J.
Grimwood, J.
Martin, F.
Tuskan, G. A.
Le Tacon, F.
TI A genetic linkage map for the ectomycorrhizal fungus Laccaria bicolor
and its alignment to the whole-genome sequence assemblies
SO NEW PHYTOLOGIST
LA English
DT Article
DE genetic map; gene positioning; Laccaria bicolor; sequence assemblies
ID BASIDIOMYCETE PLEUROTUS-OSTREATUS; FRAGMENT-LENGTH-POLYMORPHISMS;
MATING-TYPE; CRYPTOCOCCUS-NEOFORMANS; AGARICUS-BISPORUS; INTERGENIC
SPACER; RAPD MARKERS; DNA; IDENTIFICATION; SEGREGATION
AB A genetic linkage map for the ectomycorrhizal basidiomycete Laccaria bicolor was constructed from 45 sib-homokaryotic haploid mycelial lines derived from the parental S238N strain progeny. For map construction, 294 simple sequence repeats (SSRs), single-nucleotide polymorphisms (SNPs), amplified fragment length polymorphisms (AFLPs) and random amplified polymorphic DNA (RAPD) markers were employed to identify and assay loci that segregated in backcross configuration.
Using SNP, RAPD and SSR sequences, the L. bicolor whole-genome sequence (WGS) assemblies were aligned onto the linkage groups. A total of 37.36 Mbp of the assembled sequences was aligned to 13 linkage groups. Most mapped genetic markers used in alignment were colinear with the sequence assemblies, indicating that both the genetic map and sequence assemblies achieved high fidelity.
The resulting matrix of recombination rates between all pairs of loci was used to construct an integrated linkage map using JoinMap. The final map consisted of 13 linkage groups spanning 812 centiMorgans (cM) at an average distance of 2.76 cM between markers (range 1.9-17 cM).
The WGS and the present linkage map represent an initial step towards the identification and cloning of quantitative trait loci associated with development and functioning of the ectomycorrhizal symbiosis.
C1 [Labbe, J.; Martin, F.; Le Tacon, F.] Nancy Univ, INRA, UMR 1136, F-54280 Champenoux, France.
[Zhang, X.; Yin, T.; Tuskan, G. A.] Oak Ridge Natl Lab, Div Environm Sci, Oak Ridge, TN 37831 USA.
[Zhang, X.; Yin, T.; Tuskan, G. A.] Joint Genome Inst, Walnut Creek, CA 94250 USA.
[Schmutz, J.; Grimwood, J.] Stanford Univ, Sch Med, Stanford Human Genome Ctr, Dept Genet, Palo Alto, CA 94304 USA.
RP Labbe, J (reprint author), Nancy Univ, INRA, UMR 1136, F-54280 Champenoux, France.
EM labbe@nancy.inra.fr
RI Tuskan, Gerald/A-6225-2011; Labbe, Jessy/G-9532-2011
OI Tuskan, Gerald/0000-0003-0106-1289; Labbe, Jessy/0000-0003-0368-2054
FU Lorraine Region; INRA; European Commission Network of Excellence
EVOLTREE; Bioenergy Center Program; US Department of Energy; US
Department of Energy [DE-AC05-00OR22725]
FX This project was supported by the Lorraine Region and INRA through a
PhD. scholarship to JL. Funds were also provided by INRA, the European
Commission Network of Excellence EVOLTREE, the Bioenergy Center Program
at ORNL and the US Department of Energy. Oak Ridge National Laboratory
(ORNL) is managed by UT-Battelle, LLC for the US Department of Energy
under contract no. DE-AC05-00OR22725. We would like to thank Christine
Delaruelle, Veronique Jorge, Brett Mommer, Lee Gunter, Helene
Niculita-Hirzel and Joseph Armento for their assistance and helpful
discussions. We also thank Pierre-Emmanuel Courty and Julien Gibon for
the permission to use LbH2 and lcc6 sequences. We thank the Joint Genome
Institute and the Stanford Human Genome Sequencing Center for making the
L. bicolor genome assemblies available before publication.
NR 44
TC 20
Z9 26
U1 4
U2 18
PU WILEY-BLACKWELL
PI MALDEN
PA COMMERCE PLACE, 350 MAIN ST, MALDEN 02148, MA USA
SN 0028-646X
J9 NEW PHYTOL
JI New Phytol.
PY 2008
VL 180
IS 2
BP 316
EP 328
DI 10.1111/j.1469-8137.2008.02614.x
PG 13
WC Plant Sciences
SC Plant Sciences
GA 352VU
UT WOS:000259526300009
PM 18783356
ER
PT J
AU Quesada, T
Li, Z
Dervinis, C
Li, Y
Bocock, PN
Tuskan, GA
Casella, G
Davis, JM
Kirst, M
AF Quesada, Tania
Li, Zhen
Dervinis, Christopher
Li, Yao
Bocock, Philip N.
Tuskan, Gerald A.
Casella, George
Davis, John. M.
Kirst, Matias
TI Comparative analysis of the transcriptomes of Populus trichocarpa and
Arabidopsis thaliana suggests extensive evolution of gene expression
regulation in angiosperms
SO NEW PHYTOLOGIST
LA English
DT Article
DE Arabidopsis thaliana; comparative genomics; evolution; Populus
trichocarpa; transcriptome; woody
ID WOOD FORMATION; PINUS-RADIATA; HYBRID ASPEN; GENOME; POPLAR; TREES;
ORTHOLOGS; MERISTEM; DOMAINS; XYLEM
AB Sequencing of the Populus trichocarpa genome creates an opportunity to describe the transcriptome of a woody perennial species and establish an atlas of gene expression. A comparison with the transcriptomes of other species can also define genes that are conserved or diverging in plant species.
Here, the transcriptome in vegetative organs of the P. trichocarpa reference genotype Nisqually-1 was characterized. A comparison with Arabidopsis thaliana orthologs was used to distinguish gene functional categories that may be evolving differently in a woody perennial and an annual herbaceous species.
A core set of genes expressed in common among vegetative organs was detected, as well as organ-specific genes. Statistical tests identified chromatin domains, where adjacent genes were expressed more frequently than expected by chance. Extensive divergence was detected in the expression patterns of A. thaliana and P. trichocarpa orthologs, but transcription of a small number of genes appeared to have remained conserved in the two species.
Despite separation of lineages for over 100 million yr, these results suggest that selection has limited transcriptional divergence of genes associated with some essential functions in A. thaliana and P. trichocarpa. However, extensive remodeling of transcriptional networks indicates that expression regulation may be a key determinant of plant diversity.
C1 [Quesada, Tania; Bocock, Philip N.; Davis, John. M.; Kirst, Matias] Univ Florida, Plant Mol & Cellular Biol Grad Program, Gainesville, FL 32611 USA.
[Quesada, Tania; Dervinis, Christopher; Bocock, Philip N.; Davis, John. M.; Kirst, Matias] Univ Florida, Sch Forest Resources & Conservat, Gainesville, FL 32611 USA.
[Li, Zhen; Li, Yao; Casella, George] Univ Florida, Dept Stat, Gainesville, FL 32611 USA.
[Tuskan, Gerald A.] Oak Ridge Natl Lab, Div Environm Sci, Oak Ridge, TN 37831 USA.
[Tuskan, Gerald A.] Univ Tennessee, Dept Plant Sci, Knoxville, TN 37996 USA.
[Casella, George; Davis, John. M.; Kirst, Matias] Univ Florida, Genet Inst, Gainesville, FL 32610 USA.
RP Kirst, M (reprint author), Univ Florida, Plant Mol & Cellular Biol Grad Program, POB 110690, Gainesville, FL 32611 USA.
EM mkirst@ufl.edu
RI Tuskan, Gerald/A-6225-2011
OI Tuskan, Gerald/0000-0003-0106-1289
FU Department of Energy; Office of Science; Office of Biological and
Environmental Research [DE-AC05-00OR22725]; [DE-FG02-05ER64114]
FX This work was supported by a grant from the Department of Energy, Office
of Science, Office of Biological and Environmental Research, Grant Award
No. DE-AC05-00OR22725 (to JD) and Grant Award No. DE-FG02-05ER64114 (to
MK). We thank Ron Sederoff for useful discussions and for reviewing the
manuscript.
NR 44
TC 28
Z9 28
U1 1
U2 9
PU WILEY-BLACKWELL
PI MALDEN
PA COMMERCE PLACE, 350 MAIN ST, MALDEN 02148, MA USA
SN 0028-646X
J9 NEW PHYTOL
JI New Phytol.
PY 2008
VL 180
IS 2
BP 408
EP 420
DI 10.1111/j.1469-8137.2008.02586.x
PG 13
WC Plant Sciences
SC Plant Sciences
GA 352VU
UT WOS:000259526300015
PM 18694447
ER
PT J
AU Martin, F
Gianinazzi-Pearson, V
Hijri, M
Lammers, P
Requena, N
Sanders, IR
Shachar-Hill, Y
Shapiro, H
Tuskan, GA
Young, JPW
AF Martin, F.
Gianinazzi-Pearson, V.
Hijri, M.
Lammers, P.
Requena, N.
Sanders, I. R.
Shachar-Hill, Y.
Shapiro, H.
Tuskan, G. A.
Young, J. P. W.
TI The long hard road to a completed Glomus intraradices genome
SO NEW PHYTOLOGIST
LA English
DT Editorial Material
DE arbuscular mycorrhizal fungi; clustering; expressed sequence tag (EST);
genome; Glomus intraradices; Joint Genome Institute (JGI); sequencing;
symbiosis
ID ARBUSCULAR MYCORRHIZAL FUNGI; SYMBIOSIS
C1 [Martin, F.] Nancy Univ Interact Arbres Microorganismes, INRA, UMR1136, IFR10,Ctr Nancy, F-54280 Champenoux, France.
[Gianinazzi-Pearson, V.] Burgundy Univ Plante Microbe Environm, UMR INRA 1088, CNRS 5184, INRA CMSE, F-21065 Dijon, France.
[Hijri, M.] Univ Montreal, Dept Sci Biol, Inst Rech Biol Vegetale, Montreal, PQ H1X 2B2, Canada.
[Lammers, P.] New Mexico State Univ, Dept Chem & Biochem, Las Cruces, NM 88003 USA.
[Requena, N.] Univ Karlsruhe, Inst Appl Biociences, Heisenberg Grp Plant Fungal Interact, D-76187 Karlsruhe, Germany.
[Sanders, I. R.] Univ Lausanne, Inst Ecol, CH-1015 Lausanne, Switzerland.
[Shachar-Hill, Y.] Michigan State Univ, Dept Plant Biol, E Lansing, MI 48824 USA.
[Shapiro, H.] Joint Genome Inst, Walnut Creek, CA 94598 USA.
[Tuskan, G. A.] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
[Young, J. P. W.] Univ York, Dept Biol, York YO10 5YW, N Yorkshire, England.
RP Martin, F (reprint author), Nancy Univ Interact Arbres Microorganismes, INRA, UMR1136, IFR10,Ctr Nancy, F-54280 Champenoux, France.
EM fmartin@nancy.inra.fr
RI Tuskan, Gerald/A-6225-2011; Shachar-Hill, Yair/B-6165-2013; Young,
Peter/C-1446-2012; Requena Sanchez, Natalia/I-4738-2016;
OI Tuskan, Gerald/0000-0003-0106-1289; Shachar-Hill,
Yair/0000-0001-8793-5084; Young, Peter/0000-0001-5259-4830; Requena
Sanchez, Natalia/0000-0001-5406-0015; Hijri, Mohamed/0000-0001-6112-8372
NR 12
TC 61
Z9 63
U1 1
U2 25
PU WILEY-BLACKWELL
PI HOBOKEN
PA 111 RIVER ST, HOBOKEN 07030-5774, NJ USA
SN 0028-646X
EI 1469-8137
J9 NEW PHYTOL
JI New Phytol.
PY 2008
VL 180
IS 4
BP 747
EP 750
DI 10.1111/j.1469-8137.2008.02671.x
PG 4
WC Plant Sciences
SC Plant Sciences
GA 369XP
UT WOS:000260727500005
PM 19138232
ER
PT J
AU Iversen, CM
Ledford, J
Norby, RJ
AF Iversen, Colleen M.
Ledford, Joanne
Norby, Richard J.
TI CO(2) enrichment increases carbon and nitrogen input from fine roots in
a deciduous forest
SO NEW PHYTOLOGIST
LA English
DT Article
DE fine roots; root biomass; root diameter; root mortality; root N content;
root turnover; soil C storage
ID ELEVATED ATMOSPHERIC CO2; SOIL CARBON; HARDWOOD FOREST; GLOBAL PATTERNS;
ORGANIC-MATTER; PINE FOREST; LIFE-SPAN; TURNOVER; MINIRHIZOTRON;
ECOSYSTEM
AB Greater fine-root production under elevated [CO(2)] may increase the input of carbon (C) and nitrogen (N) to the soil profile because fine root populations turn over quickly in forested ecosystems.
Here, the effect of elevated [CO(2)] was assessed on root biomass and N inputs at several soil depths by combining a long-term minirhizotron dataset with continuous, root-specific measurements of root mass and [N]. The experiment was conducted in a CO(2)-enriched sweetgum (Liquidambar styraciflua) plantation.
CO(2) enrichment had no effect on root tissue density or [N] within a given diameter class. Root biomass production and standing crop were doubled under elevated [CO(2)]. Though fine-root turnover declined under elevated [CO(2)], fine-root mortality was also nearly doubled under CO(2) enrichment. Over 9 yr, root mortality resulted in 681 g m(-2) of extra C and 9 g m(-2) of extra N input to the soil system under elevated [CO(2)]. At least half of these inputs were below 30 cm soil depth.
Increased C and N input to the soil under CO(2) enrichment, especially below 30 cm depth, might alter soil C storage and N mineralization. Future research should focus on quantifying root decomposition dynamics and C and N mineralization deeper in the soil.
C1 [Iversen, Colleen M.] Univ Tennessee, Dept Ecol & Evolutionary Biol, Knoxville, TN 37996 USA.
[Ledford, Joanne; Norby, Richard J.] Oak Ridge Natl Lab, Div Environm Sci, Oak Ridge, TN 37831 USA.
RP Iversen, CM (reprint author), Univ Tennessee, Dept Ecol & Evolutionary Biol, Knoxville, TN 37996 USA.
RI Norby, Richard/C-1773-2012; Iversen, Colleen/B-8983-2012
OI Norby, Richard/0000-0002-0238-9828;
NR 74
TC 83
Z9 84
U1 4
U2 74
PU WILEY-BLACKWELL
PI MALDEN
PA COMMERCE PLACE, 350 MAIN ST, MALDEN 02148, MA USA
SN 0028-646X
J9 NEW PHYTOL
JI New Phytol.
PY 2008
VL 179
IS 3
BP 837
EP 847
DI 10.1111/j.1469-8137.2008.02516.x
PG 11
WC Plant Sciences
SC Plant Sciences
GA 327CA
UT WOS:000257706000029
PM 18537885
ER
PT J
AU Warren, JM
Brooks, JR
Meinzer, FC
Eberhart, JL
AF Warren, Jeffrey M.
Brooks, J. Renee
Meinzer, Frederick C.
Eberhart, Joyce L.
TI Hydraulic redistribution of water from Pinus ponderosa trees to
seedlings: evidence for an ectomycorrhizal pathway
SO NEW PHYTOLOGIST
LA English
DT Article
DE common mycorrhizal network (CMN); ectomycorrhizal fungi; hydraulic lift;
ponderosa pine (Pinus ponderosa); water transport
ID ARBUSCULAR MYCORRHIZAL SYMBIOSIS; NORTHWEST CONIFEROUS FORESTS;
SOIL-WATER; DOUGLAS-FIR; TRANSPORT; PLANTS; LIFT; ROOTS; TRANSLOCATION;
PATTERNS
AB While there is strong evidence for hydraulic redistribution (HR) of soil water by trees, it is not known if common mycorrhizal networks (CMN) can facilitate HR from mature trees to seedlings under field conditions.
Ponderosa pine (Pinus ponderosa) seedlings were planted into root-excluding 61-mu m mesh barrier chambers buried in an old-growth pine forest. After 2 yr, several mature trees were cut and water enriched in D2O and acid fuchsin dye was applied to the stumps.
Fine roots and mycorrhizal root tips of source trees became heavily dyed, indicating reverse sap flow in root xylem transported water from stems throughout root systems to the root hyphal mantle that interfaces with CMN. Within 3 d, D2O was found in mesh-chamber seedling foliage > 1 m from source trees; after 3 wk, eight of 10 mesh-chamber seedling stem samples were significantly enriched above background levels. Average mesh-chamber enrichment was 1.8x greater than that for two seedlings for which the connections to CMN were broken by trenching before D2O application.
Even small amounts of water provided to mycorrhizas by HR may maintain hyphal viability and facilitate nutrient uptake under drying conditions, which may provide an advantage to seedlings hydraulically linked by CMN to large trees.
C1 [Warren, Jeffrey M.; Meinzer, Frederick C.] US Forest Serv, Pacific NW Res Stn, Corvallis, OR 97331 USA.
[Warren, Jeffrey M.] Oak Ridge Natl Lab, Div Environm Sci, Oak Ridge, TN 37831 USA.
[Brooks, J. Renee] US EPA, Natl Hlth & Environm Effects Res Lab, Western Ecol Div, Corvallis, OR 97333 USA.
[Eberhart, Joyce L.] Oregon State Univ, Dept Forest Sci, Corvallis, OR 97331 USA.
RP Warren, JM (reprint author), US Forest Serv, Pacific NW Res Stn, Corvallis, OR 97331 USA.
EM warrenjm@ornl.gov
RI Warren, Jeffrey/B-9375-2012; Meinzer, Frederick/C-3496-2012;
OI Warren, Jeffrey/0000-0002-0680-4697; Brooks, Renee/0000-0002-5008-9774
NR 47
TC 55
Z9 60
U1 6
U2 57
PU BLACKWELL PUBLISHING
PI OXFORD
PA 9600 GARSINGTON RD, OXFORD OX4 2DQ, OXON, ENGLAND
SN 0028-646X
J9 NEW PHYTOL
JI New Phytol.
PY 2008
VL 178
IS 2
BP 382
EP 394
DI 10.1111/j.1469-8137.2008.02377.x
PG 13
WC Plant Sciences
SC Plant Sciences
GA 279WE
UT WOS:000254385100017
PM 18298435
ER
PT J
AU McDowell, N
Pockman, WT
Allen, CD
Breshears, DD
Cobb, N
Kolb, T
Plaut, J
Sperry, J
West, A
Williams, DG
Yepez, EA
AF McDowell, Nate
Pockman, William T.
Allen, Craig D.
Breshears, David D.
Cobb, Neil
Kolb, Thomas
Plaut, Jennifer
Sperry, John
West, Adam
Williams, David G.
Yepez, Enrico A.
TI Mechanisms of plant survival and mortality during drought: why do some
plants survive while others succumb to drought?
SO NEW PHYTOLOGIST
LA English
DT Review
DE climate; die-off; hydraulics; vegetation mortality; water relations
ID MOUNTAIN PINE-BEETLE; TEMPERATE DECIDUOUS ANGIOSPERMS; UNITED-STATES
FORESTS; GLOBAL CLIMATE-CHANGE; NORTHERN NEW-MEXICO; SAP ABSCISIC-ACID;
DOUGLAS-FIR TREES; PONDEROSA PINE; STOMATAL CONDUCTANCE; WATER RELATIONS
AB Severe droughts have been associated with regional-scale forest mortality worldwide. Climate change is expected to exacerbate regional mortality events; however, prediction remains difficult because the physiological mechanisms underlying drought survival and mortality are poorly understood. We developed a hydraulically based theory considering carbon balance and insect resistance that allowed development and examination of hypotheses regarding survival and mortality. Multiple mechanisms may cause mortality during drought. A common mechanism for plants with isohydric regulation of water status results from avoidance of drought-induced hydraulic failure via stomatal closure, resulting in carbon starvation and a cascade of downstream effects such as reduced resistance to biotic agents. Mortality by hydraulic failure per se may occur for isohydric seedlings or trees near their maximum height. Although anisohydric plants are relatively drought-tolerant, they are predisposed to hydraulic failure because they operate with narrower hydraulic safety margins during drought. Elevated temperatures should exacerbate carbon starvation and hydraulic failure. Biotic agents may amplify and be amplified by drought-induced plant stress. Wet multidecadal climate oscillations may increase plant susceptibility to drought-induced mortality by stimulating shifts in hydraulic architecture, effectively predisposing plants to water stress. Climate warming and increased frequency of extreme events will probably cause increased regional mortality episodes. Isohydric and anisohydric water potential regulation may partition species between survival and mortality, and, as such, incorporating this hydraulic framework may be effective for modeling plant survival and mortality under future climate conditions.
C1 [McDowell, Nate] Los Alamos Natl Lab, Div Earth & Environm Sci, Los Alamos, NM 87545 USA.
[Pockman, William T.; Plaut, Jennifer] 1 Univ New Mexico, Dept Biol, Albuquerque, NM 87131 USA.
[Allen, Craig D.] US Geol Survey, Jemez Mt Field Stn, Los Alamos, NM 87544 USA.
[Breshears, David D.] Univ Arizona, Sch Nat Resources, Inst Study Planet Earth, Tucson, AZ 85721 USA.
[Breshears, David D.] Univ Arizona, Dept Ecol & Evolutionary Biol, Tucson, AZ 85721 USA.
[Breshears, David D.] Univ Arizona, Dept Ecol & Evolutionary Biol, Tucson, AZ 85721 USA.
[Cobb, Neil] No Arizona Univ, Merriam Powell Ctr Environm Res, Flagstaff, AZ 86011 USA.
[Kolb, Thomas] No Arizona Univ, Sch Forestry, Flagstaff, AZ 86011 USA.
[Plaut, Jennifer] Univ Utah, Dept Biol, Salt Lake City, UT 84112 USA.
[West, Adam] Univ Calif Berkeley, Dept Integrat Biol, Berkeley, CA 94720 USA.
[West, Adam] Univ Cape Town, Dept Bot, ZA-7700 Rondebosch, South Africa.
[Williams, David G.] Univ Wyoming, Dept Renewable Resources, Laramie, WY 82071 USA.
[Yepez, Enrico A.] Univ New Mexico, Dept Biol, Albuquerque, NM 87131 USA.
RP McDowell, N (reprint author), Los Alamos Natl Lab, Div Earth & Environm Sci, Los Alamos, NM 87545 USA.
EM mcdowell@lanl.gov
RI West, Adam/E-8740-2010; Williams, David/A-6407-2014; Yepez,
Enrico/C-2802-2014; Pockman, William/D-4086-2014; Breshears,
David/B-9318-2009; Yepez, Enrico/C-6901-2008
OI West, Adam/0000-0002-9352-9282; Williams, David/0000-0003-3627-5260;
Pockman, William/0000-0002-3286-0457; Breshears,
David/0000-0001-6601-0058; Yepez, Enrico/0000-0003-4746-573X
NR 252
TC 1013
Z9 1052
U1 102
U2 827
PU WILEY-BLACKWELL
PI MALDEN
PA COMMERCE PLACE, 350 MAIN ST, MALDEN 02148, MA USA
SN 0028-646X
J9 NEW PHYTOL
JI New Phytol.
PY 2008
VL 178
IS 4
BP 719
EP 739
DI 10.1111/j.1469-8137.2008.02436.x
PG 21
WC Plant Sciences
SC Plant Sciences
GA 298YF
UT WOS:000255722300005
PM 18422905
ER
PT B
AU Lattanzio, JC
Dearborn, DSP
Eggleton, PP
AF Lattanzio, John C.
Dearborn, Davis S. P.
Eggleton, Peter P.
BE Guandalini, R
Palmerini, S
Busso, M
TI News on deep mixing
SO NINTH TORINO WORKSHOP ON EVOLUTION AND NUCLEOSYNTHESIS IN AGB STARS AND
THE SECOND PERUGIA WORKSHOP ON NUCLEAR ASTROPHYSICS
LA English
DT Proceedings Paper
CT 9th Torino Workshop on Evolution and Nucleosynthesis in AGB Stars/2nd
Perugia Workshop on Nuclear Astrophysics
CY OCT 21-27, 2007
CL Perugia, ITALY
SP Univ Perugia, INFN, INAF, Univ Granada
DE mixing; giant stars, abundances
ID GIANT BRANCH; RGB-STARS
AB We briefly summarize the abundant observational evidence for the need of a "deep mixing" mechanism in first-ascent red-giant stars, and probably in AGB stars as well. By the term "deep mixing" we mean some mixing mechanism which operates in the radiative zone below the convective envelope, and which transports material from the convective region to hotter regions, near the top of the hydrogen shell, where nuclear burning may take place. We then discuss a recent discovery of deep-mixing caused by the burning of 3 He following first dredge-up in low-mass stars. Ibis is expected to be a thermohaline process and preliminary calculations show that it has many of the properties required to explain the observations.
C1 [Lattanzio, John C.] Monash Univ, Ctr Stellar & Planetary Astrophys, Clayton, Vic 3168, Australia.
[Dearborn, Davis S. P.; Eggleton, Peter P.] Lawrence Livermore Natl Lab, Livermore, CA USA.
RP Lattanzio, JC (reprint author), Monash Univ, Ctr Stellar & Planetary Astrophys, Clayton, Vic 3168, Australia.
FU U.S. Department of Energy; National Nuclear Security Administration;
University of California; Lawrence Livermore National Laboratory
[W-7405-Eng-48]; Australian Research Council
FX This study has been carried out under the auspices of the U.S.
Department of Energy, National Nuclear Security Administration, by the
University of California, Lawrence Livermore National Laboratory, under
contract No. W-7405-Eng-48. JCL was partially supported by the
Australian Research Council. We are indebted to R. Palasek for
assistance with the code. JCL also thanks the organizers of the Torino
workshop for helping with practical details enabling his attendance. A
special thanks to Sarah for all her help, and to Alessandro for
transport to and from Roma.
NR 9
TC 1
Z9 1
U1 0
U2 0
PU AMER INST PHYSICS
PI MELVILLE
PA 2 HUNTINGTON QUADRANGLE, STE 1NO1, MELVILLE, NY 11747-4501 USA
BN 978-0-7354-0520-2
PY 2008
BP 279
EP +
PG 2
WC Astronomy & Astrophysics
SC Astronomy & Astrophysics
GA BHP48
UT WOS:000255181400036
ER
PT B
AU van Hest, MFAM
Miedaner, A
Curtis, CJ
Leisch, J
Hersh, P
Steirer, K
Pasquarelli, R
Nekuda, JA
OHayre, RP
Ginley, DS
AF van Hest, Maikel F. A. M.
Miedaner, Alex
Curtis, Calvin J.
Leisch, Jennifer
Hersh, Peter
Steirer, Ken
Pasquarelli, Robert
Nekuda, Jennifer A.
OHayre, Ryan P.
Ginley, David S.
BE SchulzeHagenest, D
TI Use of Direct Write Methods for Reduced Cost Photovoltaics
SO NIP24/DIGITAL FABRICATION 2008: 24TH INTERNATIONAL CONFERENCE ON DIGITAL
PRINTING TECHNOLOGIES, TECHNICAL PROGRAM AND PROCEEDINGS
LA English
DT Proceedings Paper
CT 24th Internationational Conference on Digital Printing
Technologies/Digital Fabrication 2008
CY SEP 06-11, 2008
CL Pittsburgh, PA
SP Soc Imaging Sci & Technol, Imaging Soc Japan
AB Photovoltaics are becoming an increasing part of the energy supply mix, however to have a really significant impact they must become cost competitive with more conventional energy sources. Direct write methods could help toward this significant cost reduction. We are investigating solution precursors and ink based atmospheric deposition approaches to a variety of solar cell materials. The first application we are studying is inkjet printing of contacts for Si, CIGS and organic photovoltaics. We have developed metal organic decomposition inks for silver, nickel, copper and aluminum for example. Conductivities close to that Of bulk metals were obtained. In this field the use of laser processing has been explored. The second application is the formation of the absorber layer in CuInSe(2) (CIS) and CdTe based photovoltaics. CIS/CIGS is the most efficient thin film photovoltaic technology, but typically employ capital intensive PVD materials deposition and subsequent selenization steps. Our approach uses liquid based precursors that can be inkjet printed and processed under atmospheric conditions. For CIGS various precursors were identified to produce In(2)Se(3), Cu(2)Se, Ga(2)Se(3), InGaSe(3) CuInSe(2) and CuIn(x)Ga(1-x)Se(2) films without a selenization step on various substrates. For CdTe various solution precursors have been developed that produce solar cell grade thin film CdTe. Details of film deposition, processing and devices will be discussed. The third application is in the field of organic photovoltaics. Here inkjet printing is used to deposit the photoactive layer such as a polythiophene, for example P3HT, and the conducting contact layer such as PEDOT/PSS. Details will be shown on how solvents can influence the quality of the printed material. Direct write processing of these materials may be enabling for this technology leading to all printed thin film photovoltaics.
C1 [van Hest, Maikel F. A. M.; Miedaner, Alex; Curtis, Calvin J.; Leisch, Jennifer; Hersh, Peter; Ginley, David S.] Natl Renewable Energy Lab, Golden, CO 80401 USA.
RP van Hest, MFAM (reprint author), Natl Renewable Energy Lab, Golden, CO 80401 USA.
NR 0
TC 0
Z9 0
U1 2
U2 7
PU SOC IMAGING SCIENCE & TECHNOLOGY
PI SPRINGFIELD
PA 7003 KILWORTH LANE, SPRINGFIELD, VA 22151 USA
BN 978-0-89208-279-7
PY 2008
BP 902
EP 902
PG 1
WC Computer Science, Hardware & Architecture; Imaging Science &
Photographic Technology
SC Computer Science; Imaging Science & Photographic Technology
GA BIK55
UT WOS:000260411500232
ER
PT S
AU Bigelow, DJ
Qian, WJ
AF Bigelow, Diana J.
Qian, Wei-Jun
BE Cadenas, E
Packer, L
TI Quantitative proteome mapping of nitrotyrosines
SO NITRIC OXIDE, PART F: OXIDATIVE AND NITROSATIVE STRESS IN REDOX
REGULATION OF CELL SIGNALING
SE Methods in Enzymology
LA English
DT Review; Book Chapter
ID TANDEM MASS-SPECTROMETRY; CYSTEINYL-PEPTIDE ENRICHMENT; INTEGRAL
MEMBRANE-PROTEINS; HIGH-THROUGHPUT PROTEOMICS; IN-VIVO; TYROSINE
NITRATION; NITRIC-OXIDE; MOUSE-BRAIN; IDENTIFICATION; SPECTRA
AB An essential first step in the understanding disease and environmental perturbations is the early and quantitative detection of the increased levels of the inflammatory marker nitrotyrosine, as compared with its endogenous levels within the tissue or cellular proteome. Thus, methods that successfully address a proteome-wide quantitation of nitrotyrosine and related oxidative modifications can provide early biomarkers of risk and progression of disease, as well as effective strategies for therapy. Multidimensional separations LC coupled with tandem mass spectrometry (LC-MS/MS) has, in recent years, significantly expanded our knowledge of human (and mammalian model system) proteomes, including some nascent work in identification of posttranslational modifications. This chapter discusses the application of LC-MS/MS for quantitation and identification of nitrotyrosine-modified proteins within the context of complex protein mixtures presented in mammalian proteomes.
C1 [Bigelow, Diana J.] Pacific NW Natl Lab, Cell Biol & Biochem Grp, Div Biol Sci, Richland, WA 99352 USA.
[Qian, Wei-Jun] Pacific NW Natl Lab, Environm Mol Sci Lab, Div Biol Sci, Richland, WA 99352 USA.
RP Bigelow, DJ (reprint author), Pacific NW Natl Lab, Cell Biol & Biochem Grp, Div Biol Sci, Richland, WA 99352 USA.
RI Qian, Weijun/C-6167-2011
NR 36
TC 18
Z9 18
U1 0
U2 1
PU ELSEVIER ACADEMIC PRESS INC
PI SAN DIEGO
PA 525 B STREET, SUITE 1900, SAN DIEGO, CA 92101-4495 USA
SN 0076-6879
BN 978-0-12-373967-4
J9 METHOD ENZYMOL
JI Methods Enzymol.
PY 2008
VL 440
BP 191
EP 205
DI 10.1016/S0076-6879(07)00811-7
PG 15
WC Biochemical Research Methods; Biochemistry & Molecular Biology
SC Biochemistry & Molecular Biology
GA BHR79
UT WOS:000255834700011
PM 18423218
ER
PT S
AU Diaz, AA
Samuel, TJ
Tucker, BJ
Cinson, AD
Valencia, JD
Gervais, KL
Thompson, JS
AF Diaz, Aaron A.
Samuel, Todd J.
Tucker, Brian J.
Cinson, Anthony D.
Valencia, Juan D.
Gervais, Kevin L.
Thompson, Jason S.
BE Shull, PJ
Wu, HF
Diaz, AA
Vogel, DW
TI Through-container measurement of acoustic signatures for
classification/discrimination of liquid explosives (LEs) and precursor
threat liquids
SO NONDESTRUCTIVE CHARACTERIZATION FOR COMPOSITE MATERIALS, AEROSPACE
ENGINEERING, CIVIL INFRASTRUCTURE, AND HOMELAND SECURITY 2008
SE Proceedings of SPIE
LA English
DT Proceedings Paper
CT Conference on Nondestructive Characterization for Composite Materials,
Aerospace Engineering, Civil Infrastructure, and Homeland Security 2008
CY MAR 11-13, 2008
CL San Diego, CA
SP Amer Soc Mech Engn, Intelligent Mat Forum, Jet Propuls Lab, Natl Sci Fdn
DE acoustic; ultrasonic; acoustic velocity; attenuation; noninvasive;
database
ID PULSE-COMPRESSION
AB Work at the Pacific Northwest National Laboratory has demonstrated that ultrasonic property measurements can be effectively employed for the rapid and accurate classification/discrimination of liquids in small, carry-on, standard "stream-of-commerce" containers. This paper focuses on a set of laboratory measurements acquired with the PNNL prototype device as applied to several types of liquids (including threat liquids and precursor chemicals) to the manufacture of LEs in small commercially available plastic containers.
C1 [Diaz, Aaron A.; Samuel, Todd J.; Tucker, Brian J.; Cinson, Anthony D.; Valencia, Juan D.; Gervais, Kevin L.; Thompson, Jason S.] Pacific NW Natl Lab, Richland, WA 99352 USA.
RP Diaz, AA (reprint author), Pacific NW Natl Lab, 902 Battelle Blvd, Richland, WA 99352 USA.
NR 11
TC 1
Z9 1
U1 0
U2 0
PU SPIE-INT SOC OPTICAL ENGINEERING
PI BELLINGHAM
PA 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA
SN 0277-786X
BN 978-0-8194-7120-8
J9 PROC SPIE
PY 2008
VL 6934
AR 693413
DI 10.1117/12.776420
PG 12
WC Acoustics; Engineering, Environmental; Engineering, Civil; Materials
Science, Multidisciplinary; Materials Science, Characterization &
Testing
SC Acoustics; Engineering; Materials Science
GA BHW62
UT WOS:000257064400032
ER
PT S
AU Mauss, F
Hatchell, B
Skorpik, J
Silvers, K
AF Mauss, Fred
Hatchell, Brian
Skorpik, Jim
Silvers, Kurt
BE Shull, PJ
Wu, HF
Diaz, AA
Vogel, DW
TI Health monitoring: Asset damage detection
SO NONDESTRUCTIVE CHARACTERIZATION FOR COMPOSITE MATERIALS, AEROSPACE
ENGINEERING, CIVIL INFRASTRUCTURE, AND HOMELAND SECURITY 2008
SE Proceedings of SPIE
LA English
DT Proceedings Paper
CT Conference on Nondestructive Characterization for Composite Materials,
Aerospace Engineering, Civil Infrastructure, and Homeland Security 2008
CY MAR 11-13, 2008
CL San Diego, CA
SP Amer Soc Mech Engn, Intelligent Mat Forum, Jet Propuls Lab, Natl Sci Fdn
DE health monitoring; asset; detection; shock; drop; damage; low power;
3-axis; tri-axial; accelerometer
AB The Health Monitor System (HMS) is a low-cost, low-power, battery-powered device capable of measuring temperature, humidity, and shock. Many mission-critical items are susceptible to shock damage. To help prevent shock damage, assets often are placed in robust custom containers with shock damping and absorption devices. Assets are still at risk of damage while in their protective containers. Having a Health Monitor attached to an asset or container allows the status of the asset to be determined. The Health Monitor can measure, record, store, analyze, and display to the user if a shock event has occurred that puts the asset at risk of failure. Extensive shock testing and algorithm implementation were required to develop a Health Monitor that uses a single-point 3-axis accelerometer to determine the type, height, and severity of a shock event.
C1 [Mauss, Fred; Hatchell, Brian; Skorpik, Jim; Silvers, Kurt] Pacific NW Natl Lab, Richland, WA 99352 USA.
RP Mauss, F (reprint author), Pacific NW Natl Lab, POB 999,MS K5-17, Richland, WA 99352 USA.
NR 2
TC 0
Z9 0
U1 0
U2 0
PU SPIE-INT SOC OPTICAL ENGINEERING
PI BELLINGHAM
PA 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA
SN 0277-786X
BN 978-0-8194-7120-8
J9 PROC SPIE
PY 2008
VL 6934
AR 693417
DI 10.1117/12.776299
PG 9
WC Acoustics; Engineering, Environmental; Engineering, Civil; Materials
Science, Multidisciplinary; Materials Science, Characterization &
Testing
SC Acoustics; Engineering; Materials Science
GA BHW62
UT WOS:000257064400036
ER
PT S
AU Valencia, JD
Diaz, AA
Tucker, BJ
AF Valencia, Juan D.
Diaz, Aaron A.
Tucker, Brian J.
BE Shull, PJ
Wu, HF
Diaz, AA
Vogel, DW
TI Enhancing acoustic signal quality by rapidly switching between
pulse-echo and through-transmission using diplexers
SO NONDESTRUCTIVE CHARACTERIZATION FOR COMPOSITE MATERIALS, AEROSPACE
ENGINEERING, CIVIL INFRASTRUCTURE, AND HOMELAND SECURITY 2008
SE Proceedings of SPIE
LA English
DT Proceedings Paper
CT Conference on Nondestructive Characterization for Composite Materials,
Aerospace Engineering, Civil Infrastructure, and Homeland Security 2008
CY MAR 11-13, 2008
CL San Diego, CA
SP Amer Soc Mech Engn, Intelligent Mat Forum, Jet Propuls Lab, Natl Sci Fdn
DE ultrasonic; diplexer; signal isolation; noise reduction; pulse-echo;
through-transmission; noninvasive; nondestructive; classification
AB The increase of terrorism and its global impact has made the screening of the contents of liquid-filled containers a necessity. The ability to evaluate the contents of a container rapidly and accurately is a critical tool in maintaining global safety and security. Due to the immense quantities and large variety of containers shipped worldwide, there is a need for a technology that enables rapid and effective ways of conducting non-intrusive container inspections. Such inspections can be performed utilizing "through-transmission" or "pulse-echo" acoustic techniques, in combination with multiple frequency excitation pulses or waveforms. The challenge is combining and switching between the different acoustic techniques without distorting the excitation pulse or waveform, degrading or adding noise to the receive signal; while maintaining a portable, low-power, low-cost, and easy to use system.
The Pacific Northwest National Laboratory (PNNL) has developed a methodology and prototype device focused on this challenge. The prototype relies on an advanced diplexer circuit capable of rapidly switching between both "through-transmission" and "pulse-echo" detection modes. This type of detection requires the prototype to isolate the pulsing circuitry from the receiving circuitry to prevent damage and reduce noise.
The results of this work demonstrate that an advanced diplexer circuit can be effective; however, some bandwidth issues exist. This paper focuses on laboratory measurements and test results acquired with the PNNL prototype device as applied to several types of liquid-filled containers. Results of work conducted in the laboratory will be presented and future measurement platform enhancements will be discussed.
C1 [Valencia, Juan D.; Diaz, Aaron A.; Tucker, Brian J.] Pacific NW Natl Lab, Richland, WA 99352 USA.
RP Valencia, JD (reprint author), Pacific NW Natl Lab, 902 Battelle Blvd, Richland, WA 99352 USA.
EM juan.valencia@pnl.gov
NR 4
TC 0
Z9 0
U1 0
U2 0
PU SPIE-INT SOC OPTICAL ENGINEERING
PI BELLINGHAM
PA 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA
SN 0277-786X
BN 978-0-8194-7120-8
J9 PROC SPIE
PY 2008
VL 6934
AR 693414
DI 10.1117/12.776427
PG 8
WC Acoustics; Engineering, Environmental; Engineering, Civil; Materials
Science, Multidisciplinary; Materials Science, Characterization &
Testing
SC Acoustics; Engineering; Materials Science
GA BHW62
UT WOS:000257064400033
ER
PT S
AU Hoops, AA
Farrow, RL
Schulz, P
Reichardt, TA
Bambha, RP
Schmitt, RL
Kliner, DAV
AF Hoops, Alexandra A.
Farrow, Roger L.
Schulz, Paul
Reichardt, Thomas A.
Bambha, Ray P.
Schmitt, Randal L.
Kliner, Dahv A. V.
BE Powers, PE
TI Compact, narrow-linewidth, tunable ultraviolet laser source for
detecting Hg emissions - art. no. 68750K
SO NONLINEAR FREQUENCY GENERATION AND CONVERSION: MATERIALS, DEVICES, AND
APPLICATIONS VII
SE PROCEEDINGS OF THE SOCIETY OF PHOTO-OPTICAL INSTRUMENTATION ENGINEERS
(SPIE)
LA English
DT Proceedings Paper
CT Conference on Nonlinear Frequency Generation and Conversion - Materials,
Devices, and Applications VII
CY JAN 22-24, 2008
CL San Jose, CA
SP SPIE
DE harmonic generation and mixing; optical parametric amplifier; mercury
monitoring
ID FIBER AMPLIFIER
AB Recent EPA regulations targeting mercury (Hg) emissions from utility coal boilers have prompted increased activity in the development of reliable chemical sensors for monitoring Hg emissions with high sensitivity, high specificity, and fast time response. We are developing a portable, laser-based instrument for real-time, stand-off detection of Hg emissions that involves exciting the Hg (6 (3)p(1) <-- 6 S-1(0)) transition at 253.7 nm and detecting the resulting resonant emission from Hg (6 (3)p(1)). The laser for this approach must be tunable over the Hg absorption line at 253.7 nm, while system performance modeling has indicated a desired output pulse energy >= 0.1 mu J and linewidth <= 5 GHz (full width at half-maximum, FWHM). In addition, the laser must have the requisite physical characteristics for use in coal-fired power plants. To meet these criteria, we are pursing a multistage frequency-conversion scheme involving an optical parametric amplifier (OPA). The OPA is pumped by the frequency-doubled output of a passively Q-switched, monolithic Nd:YAG micro-laser operating at 10-Hz repetition rate and is seeded by a 761-nm, cw distributed-feedback diode laser. The resultant pulse-amplified seed beam is frequency tripled in two nonlinear frequency-conversion steps to generate 253.7-nm light. The laser system is mounted on a 45.7 cm x 30.5 cm breadboard and can be further condensed using custom optical mounts. Based on simulations of the nonlinear frequency-conversion processes and current results, we expect this laser architecture to exceed the desired pulse energy. Moreover, this approach provides a compact, all-solid-state source of tunable, narrow-linewidth visible and ultraviolet radiation, which is required for many chemical sensing applications.
C1 [Hoops, Alexandra A.; Farrow, Roger L.; Schulz, Paul; Reichardt, Thomas A.; Bambha, Ray P.; Kliner, Dahv A. V.] Sandia Natl Labs, Livermore, CA 94551 USA.
RP Hoops, AA (reprint author), Sandia Natl Labs, POB 969,MS 9056, Livermore, CA 94551 USA.
NR 8
TC 0
Z9 0
U1 0
U2 1
PU SPIE-INT SOC OPTICAL ENGINEERING
PI BELLINGHAM
PA 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA
SN 0277-786X
BN 978-0-8194-7050-8
J9 P SOC PHOTO-OPT INS
PY 2008
VL 6875
BP K8750
EP K8750
DI 10.1117/12.761907
PG 10
WC Materials Science, Multidisciplinary; Optics
SC Materials Science; Optics
GA BHQ62
UT WOS:000255510700017
ER
PT J
AU Fryxell, GE
AF Fryxell, Glen E.
TI Water purification using functional nanomaterials: sequestering toxic
heavy metals
SO NOVA HEDWIGIA
LA English
DT Article
DE water purification; heavy metal; sorbent; separations; nanomaterials;
self-assembly; monolayer
ID SELF-ASSEMBLED MONOLAYERS; ANTHROPOGENIC MERCURY EMISSIONS; MESOPOROUS
SUPPORTS SAMMS; ACTINIDE SEQUESTRATION; ADSORPTION BEHAVIOR; INITIAL
EVALUATION; MOLECULAR-SIEVES; CO-CONDENSATION; DRINKING-WATER;
PUBLIC-HEALTH
AB Water and water quality are issues of critical importance to the future of humankind. Our water supply has been contaminated by a wide variety of industrial, military and natural Sources. There is a serious need for technologies to remove toxic heavy metals and radionuclides from the world's water supplies. Surfactant templated synthesis of mesoporous ceramics provides a versatile foundation upon which to create high efficiency environmental sorbents. These nanoporous ceramics condense a huge amount of surface area into a very small volume. These mesoporous architectures can be subsequently functionalised through molecular self-assembly. These functional mesoporous materials offer significant capabilities in terms of removal of heavy metals and radionuclides from groundwater and other liquid media. They are highly efficient sorbents, whose interfacial chemistry can be fine-tuned to sequester selectively a specific target species, such as heavy metals, tetrahedral oxometallate anions and radionuclides. Their rigid, open pore structure allows for rapid, efficient sorption kinetics. This manuscript provides an overview of the design, synthesis and performance of the sorbent materials.
C1 Pacific NW Natl Lab, Richland, WA 99352 USA.
RP Fryxell, GE (reprint author), Pacific NW Natl Lab, Mailstop K2-44,POB 999, Richland, WA 99352 USA.
EM glen.fryxell@pnl.gov
NR 64
TC 3
Z9 3
U1 0
U2 10
PU GEBRUDER BORNTRAEGER
PI STUTTGART
PA JOHANNESSTR 3A, D-70176 STUTTGART, GERMANY
SN 0029-5035
J9 NOVA HEDWIGIA
JI Nova Hedwigia
PY 2008
SU 133
BP 317
EP 329
PG 13
WC Plant Sciences
SC Plant Sciences
GA 276TO
UT WOS:000254166200025
ER
PT S
AU Brady, MP
Tortorelli, PF
More, KL
Payzant, EA
Armstrong, BL
Lin, HT
Lance, MJ
Huang, F
Weaver, ML
AF Brady, Michael P.
Tortorelli, Peter F.
More, Karren L.
Payzant, E. Andrew
Armstrong, Beth L.
Lin, Hua-Tay
Lance, Michael J.
Huang, Feng
Weaver, Mark L.
BA Quadakkers, WJ
BF Quadakkers, WJ
BE Schutze, M
TI Design strategies for oxidation-resistant intermetallic and advanced
metallic alloys
SO NOVEL APPROACHES TO IMPROVING HIGH TEMPERATURE CORROSION RESISTANCE:
(EFC 47)
SE European Federation of Corrosion Publications
LA English
DT Article; Book Chapter
ID BIPOLAR PLATE MATERIALS; MEMBRANE FUEL-CELLS; WATER-VAPOR; INTERNAL
NITRIDATION; THERMAL NITRIDATION; TIAL INTERMETALLICS; CARBIDE
CATALYSTS; SCALE FORMATION; COATING DESIGN; BEHAVIOR
C1 [Brady, Michael P.; Tortorelli, Peter F.; More, Karren L.; Payzant, E. Andrew; Armstrong, Beth L.; Lin, Hua-Tay; Lance, Michael J.] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
[Huang, Feng; Weaver, Mark L.] Univ Alabama, Tuscaloosa, AL 35487 USA.
RP Brady, MP (reprint author), Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
EM bradymp@ornl.gov; tortorellipf@ornl.gov
RI Quadakkers, Willem J/B-5117-2015;
OI Quadakkers, Willem J/0000-0002-0644-0192; Payzant,
Edward/0000-0002-3447-2060
NR 53
TC 0
Z9 0
U1 0
U2 2
PU WOODHEAD PUBL LTD
PI CAMBRIDGE
PA ABINGTON HALL ABINGTON, CAMBRIDGE CB1 6AH, CAMBS, ENGLAND
SN 1354-5116
BN 978 1 84569 238 4
J9 EUR FED CORROS PUBL
PY 2008
IS 47
BP 3
EP 18
DI 10.1533/9781845694470.1.3
PG 16
WC Materials Science, Multidisciplinary
SC Materials Science
GA BOI60
UT WOS:000276746100002
ER
PT S
AU Ackennann, MR
McGraw, JT
Zimmer, PC
AF Ackennann, Mark R.
McGraw, John T.
Zimmer, Peter C.
BE Koshel, RJ
Gregory, GG
Moore, JD
Krevor, DH
TI Improved Spherical Aberration Corrector for fast spherical primary
mirrors
SO NOVEL OPTICAL SYSTEMS DESIGN AND OPTIMIZATION XI
SE PROCEEDINGS OF THE SOCIETY OF PHOTO-OPTICAL INSTRUMENTATION ENGINEERS
(SPIE)
LA English
DT Proceedings Paper
CT 11th Conference on Novel Optical Systems Design and Optimization
CY AUG 10-14, 2008
CL San Diego, CA
SP SPIE
DE Telescope; Corrector; Aberration; Spherical
ID LARGE TELESCOPE
AB In the quest to design large and extremely large telescopes, one of the first questions encountered is that of basic optical configuration and shape of the primary mirror. Spherical mirrors have a number of advantages in production, testing and alignment but suffer from substantial spherical aberration, thereby requiring some form of corrective optics. Many designs for spherical aberration correctors are present in the literature, but each has its strengths and weaknesses. We present the design for a new spherical aberration corrector which is believed to offer higher performance with less complexity than previous approaches. The new design is substantially more compact and uses slower optical surfaces than most axially symmetric designs. It can scale to accommodate apertures as large as 100m, and adapts equally well to post prime focus and Cassegrain-like focus applications.
C1 [Ackennann, Mark R.] Sandia Natl Labs, Livermore, CA 94550 USA.
RP Ackennann, MR (reprint author), Sandia Natl Labs, Livermore, CA 94550 USA.
NR 13
TC 0
Z9 0
U1 0
U2 0
PU SPIE-INT SOC OPTICAL ENGINEERING
PI BELLINGHAM
PA 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA
SN 0277-786X
BN 978-0-8194-7281-6
J9 P SOC PHOTO-OPT INS
PY 2008
VL 7061
AR 70610I
DI 10.1117/12.791666
PG 24
WC Optics
SC Optics
GA BIQ85
UT WOS:000262082000014
ER
PT B
AU George, JS
Koga, R
McMahan, MA
AF George, Jeffrey S.
Koga, Rocky
McMahan, Margaret A.
GP IEEE
TI Neutron Soft Errors in Xilinx FPGAs at Lawrence Berkeley National
Laboratory
SO NSRE: 2008 IEEE RADIATION EFFECTS DATA WORKSHOP, WORKSHOP RECORD
LA English
DT Proceedings Paper
CT IEEE Radiation Effects Data Workshop 2008
CY JUL 14-18, 2008
CL Tucson, AZ
SP IEEE
AB The Lawrence Berkeley National Laboratory cyclotron offers broad-spectrum neutrons for single event effects testing. We discuss results from this beamline for neutron soft upsets in Xilinx Virtex-4 and -5 field-programmable-gate-array (FPGA) devices.
C1 [George, Jeffrey S.; Koga, Rocky] Aerosp Corp, El Segundo, CA 90245 USA.
[McMahan, Margaret A.] Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA.
RP George, JS (reprint author), Aerosp Corp, El Segundo, CA 90245 USA.
EM Jeffrey.S.George@aero.org
NR 8
TC 0
Z9 0
U1 0
U2 0
PU IEEE
PI NEW YORK
PA 345 E 47TH ST, NEW YORK, NY 10017 USA
BN 978-1-4244-2545-7
PY 2008
BP 118
EP +
DI 10.1109/REDW.2008.28
PG 2
WC Engineering, Electrical & Electronic; Physics, Fluids & Plasmas;
Physics, Nuclear
SC Engineering; Physics
GA BIM83
UT WOS:000260931600021
ER
PT B
AU McMahan, MA
Blacktnore, E
Cascio, EW
Castaneda, C
von Przewoski, B
Eisen, H
AF McMahan, Margaret A.
Blacktnore, Ewart
Cascio, Ethan W.
Castaneda, Carlos
von Przewoski, Barbara
Eisen, Harvey
GP IEEE
TI Standard Practice for Dosimetry of Proton Beams for use in Radiation
Effects Testing of Electronics
SO NSRE: 2008 IEEE RADIATION EFFECTS DATA WORKSHOP, WORKSHOP RECORD
LA English
DT Proceedings Paper
CT IEEE Radiation Effects Data Workshop 2008
CY JUL 14-18, 2008
CL Tucson, AZ
SP IEEE
ID SLIT SCATTERING; PARTICLES
AB Representatives of facilities that routinely deliver protons for radiation effect testing are collaborating to establish a set of standard best practices for proton dosimetry. These best practices will be submitted to the ASTM International for adoption.
C1 [McMahan, Margaret A.] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
[Blacktnore, Ewart] TRIUMF, Vancouver, BC V6T2A3, Canada.
[Cascio, Ethan W.] Massachusetts Gen Hosp, Cambridge, MA USA.
[Castaneda, Carlos] Univ Calif Davis, Davis, CA 95616 USA.
[von Przewoski, Barbara] Indiana Univ, Cyclotron Facil, Bloomington, IN USA.
[Eisen, Harvey] Chair Space Parts Working Grp Hardness Assurance, Bloomington, IN USA.
RP McMahan, MA (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
EM p_mcmahan@lbl.gov; blackmore@triumf.ca; ecascio@partners.org;
Castaneda@crocker.ucdavis.edu; bvonprze@indiana.edu; harveyeisen@aol.com
NR 21
TC 2
Z9 2
U1 0
U2 1
PU IEEE
PI NEW YORK
PA 345 E 47TH ST, NEW YORK, NY 10017 USA
BN 978-1-4244-2545-7
PY 2008
BP 135
EP +
DI 10.1109/REDW.2008.31
PG 4
WC Engineering, Electrical & Electronic; Physics, Fluids & Plasmas;
Physics, Nuclear
SC Engineering; Physics
GA BIM83
UT WOS:000260931600024
ER
PT B
AU Chahine, NO
Collette, NM
Thompson, H
Loots, GG
AF Chahine, Nadeen O.
Collette, Nicole M.
Thompson, Heather
Loots, Gabriela G.
BE Laudon, M
Romanowicz, B
TI Biocompatibility of Carbon Nanotubes for Cartilage Tissue Engineering
SO NSTI NANOTECH 2008, VOL 1, TECHNICAL PROCEEDINGS: MATERIALS,
FABRICATION, PARTICLES, AND CHARACTERIZATION
LA English
DT Proceedings Paper
CT Nanotechnology Conference and Trade Show (Nanotech 2008)
CY JUN 01-05, 2008
CL Boston, MA
SP Accelrys Software, Ace Glass, Advance Reprod Corp, Adv Mat Technolog Pte Ltd, Agilent Technol, AIXTRON AG, AJA Int, ALM, Amuneal Mfg Corp, ANSYS, Anton Paar, Appl MicroStruct, Appl Surface Technol, Arkalon Chem Technolog, LLC, Arkema Grp, Artech House Publishers, Asemblon, ASML, Asylum Res, AZoNano, Banner & Witcoff, Beckman Coulter, Bio Nano Counsulting, BioForce Nanosci, Boneer Corp, Birck Nanotechnol Ctr, Purdue Univ, Discovery Pk, Brookhaven Instruments Corp, Buchanan Ingersoll & Rooney PC, Buhler AG, Business Week, Calif NanoSyst Inst, Capovani Brothers, Los Alamos, Ctr Integrated Nanotechnologies, Sandia Natl Labs, Ctr Integrated Nanotechnologies, Oak Ridge Natl Lab, Ctr Nanophase Mat Sci, Argonne Natl Lab, Ctr Nanoscale Mat, Cheap tubes, Clean Technol & Sustainable Ind Org, COMSOL, Cooley Godward Kronish LLP, Core Technol Grp, CRESTEC Corp, CSEM, CVI Melles Griot, Dept Innovat, Ind, Sci & Res, Digital Matrix, Draiswerke, ETH Zurich, Eulitha AG, Marks & Clerk, Marubent Techno Syst Corp, Massachusetts Technol Transfer Ctr, Mat Res Soc, Merck & Co, Microfluidics, Micromerit Instrument Corp, Microtrac, MINAT 2008, Messe Stuttgart, Minus K Technol, Misonix, Lawrence Berkeley Natl Lab, Mol Foundry, Motorola, Nano Korea 2008, Nano Sci & Technol Inst, nano tech 2009 Japan, Nano Technol Res Assoc Korea, NanoAndMore USA, NanoDynamics, NanoEurope 2008, NanoInk, Nanomotion, Nanon Imaging Ltd, NANOSENSORS, Nanosyst Initiat Munich, Nanotech No Europe 2008, nano Tox, Nano World AG, NCI, Natl Inst Stand & Technol, NIH, Natl Nanomfg Network, Natl Nanotechnol Infrastruct, GATech, Microelect Res Ctr, Nat Nano, Nat Publishing Grp, NETZSCH Fine Particle Technol LLC, NIL Technol ApS, Novomer, NTT Adv Technol Corp, Olympus Ind Amer, OSEC, Business Network Switzerland, Oxford Instruments, Particle Technol Labs, Penn State Univ, Photon Spectra, Physik Instrumente LP, picoDrill SA, Piezo Inst, PVD Prod, Q Sense, Quantum Analyt, Raith USA, European Patent Off, Evans Analyt Grp, EXAKT Technologies, First Nano, Flow Sci, FDA, Goodwin Procter LLP, Greater Houston Partnership, Greenberg Traurig LLP, Halcyonics, Headwaters Technol Innovat LLC, Heidelberg Instruments, Hielscher USA, HighNano Analyti, Hiscock & Barclay LLP, Hitachi High Technologies Amer, Hochschule Offenburg Univ Appl Sci, HOCKMEYER Equipment Corp, HORIBA Jobin Yvon, IBU-tec adv mat GmbH, IDA Ireland, ImageXpert, Inspec, Inc, IEEE, Inst Nanoscale & Quantum Sci & Technol Adv Res, IntelliSense Software Corp, Invest Germany, IOP Publishing, Italian Trade Commiss, JENOPTIK, Justus Liebig Univ, KAUST, Keithley Instruments, Kelvin Nanotechnol Ltd, Kodak, Kotobuki Ind Co, Ltd, Lake Shore Cryotron, MACRO M, NanoClay, Res Germany Land Ideas, RKS Legal Solut LLC, Dandia Natl Labs, Scottish Enterprise, SEMTech Solut, Serendip, Silvix Corp, SNS Nano Fiber Technol LLC, SoftMEMS LLC, Son & Mat, SW Nano Technologies, Specialty Coating Syst, Spectrum Labs, SPEX SamplePrep LLC, Springer, Sterne, Kessler, Goldstein & Fox PLLC, Strem Chem, Sukgyung A T Co, Lts, Surrey NanoSyst, SUSS MicroTec, Swissnanotech Pavilion, Taylor & Francis Grp LLC, CRC Press, TechConnect, Technovel Corp, Tekna Plasma Syst, Thinky Corp, Thomas Swan & Co Ltd, UGL Unicco, UK Trade & Investment, UniJet, Univ Munster, Univ Appl Sci, Univ Duisburg, Ctr Nanointegrat Duisburg, Vecco Instruments, Wasatch Mol Inc, Weidmann Plast Technol, Whiteman Osterman & Hanna LLP, Willy A Bachofen AG, WITec GmbH, World Gold Council
DE Carbon Nanotubes; Cytotoxicity; Tissue Engineering; Biocompatibility;
Cartilage
AB Carbon nanotubes (CNT) have the potential to become an important component of scaffolding in tissue engineering, due to their unique physical properties. However, one major limitation of CNTs that must be overcome is their inherent cytotoxicity. In this study, we assessed the long-term biocompatibility of CNTs for chondrocyte growth. The effect of CNTs on chondrocyte viability and biochemical deposition has been examined in two dimensional (2D) cultures, and in three dimensional (3D) composite materials consisting of hydrogels and CNTs. The exposure of chondrocytes to CNTs was carried out up to 14 days in 2D culture and 21 days in 3D agarose composites. Our results suggest that functionalized CNTs alter the viability and metabolic response of cells over the 2 to 3 week duration. Interestingly, the results of this study also suggest the dose dependent effect of CNTs on cellular responses vary between 2D and 3D cultures, suggesting that chondrocytes tolerate the presence of CNTs at greater concentrations in 3D more than in 2D cultures. In addition, CNTs appear to have a stimulatory metabolic effect on chondrocytes in 3D cultures, reflected by enhanced production of glycosaminoglycans (GAGS) and collagen deposition. These findings support the notion that optimization of the use of nanotubes in cell-based therapies should be performed in 3D systems directly, and that CNTs appear to promote cellular growth and metabolic activity of chondrocytes.
C1 [Chahine, Nadeen O.; Thompson, Heather; Loots, Gabriela G.] Lawrence Livermore Natl Lab, Livermore, CA USA.
[Collette, Nicole M.; Loots, Gabriela G.] Univ Calif Berkeley, Berkeley, CA 94720 USA.
RP Chahine, NO (reprint author), Lawrence Livermore Natl Lab, Livermore, CA USA.
EM chahine2@llnl.gov; loots1@llnl.gov
OI Chahine, Nadeen/0000-0002-0478-6042
FU U.S. Department of Energy by Lawrence Livermore National Laboratory
[DE-AC52-07NA27344, LLNL-ABS-400929]
FX This work performed under the auspices of the U.S. Department of Energy
by Lawrence Livermore National Laboratory under Contract
DE-AC52-07NA27344. LLNL-ABS-400929.
NR 9
TC 0
Z9 0
U1 2
U2 3
PU CRC PRESS-TAYLOR & FRANCIS GROUP
PI BOCA RATON
PA 6000 BROKEN SOUND PARKWAY NW, STE 300, BOCA RATON, FL 33487-2742 USA
BN 978-1-4200-8503-7
PY 2008
BP 125
EP +
PG 2
WC Chemistry, Physical; Nanoscience & Nanotechnology; Materials Science,
Multidisciplinary; Materials Science, Coatings & Films; Physics,
Condensed Matter
SC Chemistry; Science & Technology - Other Topics; Materials Science;
Physics
GA BMF46
UT WOS:000272169500034
ER
PT B
AU Elhadj, S
Friddle, R
Gilmer, G
Noy, A
De Yoreo, JJ
AF Elhadj, S.
Friddle, R.
Gilmer, G.
Noy, A.
De Yoreo, J. J.
BE Laudon, M
Romanowicz, B
TI Templated virus deposition: from molecular-scale force measurements to
kinetic Monte Carlo simulations
SO NSTI NANOTECH 2008, VOL 1, TECHNICAL PROCEEDINGS
LA English
DT Proceedings Paper
CT Nanotechnology Conference and Trade Show (Nanotech 2008)
CY JUN 01-05, 2008
CL Boston, MA
SP Accelrys Software, Ace Glass, Advance Reprod Corp, Adv Mat Technologies Pte Ltd, Agilent Technologies, AIXTRON AG, AJA Int, ALM, Amuneal Mfg Corp, ANSYS, Anton Paar USA, Appl MicroStruct, Appl Surface Technologies, Arkalon Chem Technologies, LLC, Arkema Grp, Artech House Publishers, Asemblon, ASML, Asylum Res, AZoNano, Banner & Witcoff, Beckman Coulter, Bio Nano Counsulting, BioForce Nanosci, Boneer Corp, Birck Nanotechnol Ctr, Purdue Univ, Discovery Pk, Brookhaven Instruments Corp, Buchanan Ingersoll & Rooney PC, Buhler AG, Business Week, Calif NanoSyst Inst, Capovani Brothers, Los Alamos, Ctr Integrated Nanotechnologies, Sandia Natl Labs, Ctr Integrated Nanotechnologies, Oak Ridge Natl Lab, Ctr Nanophase Mat Sci, Argonne Natl Lab, Ctr Nanoscale Mat, Cheap tubes, Clean Technol & Sustainable Ind Org, COMSOL, Cooley Godward Kronish LLP, Core Technol Grp, CRESTEC Corp, CSEM, CVI Melles Griot, Dept Innovat, Ind, Sci & Res, Digital Matirx, Draiswerke, ETH Zurich, Eulitha AG, Marks & Clerk, Marubent Techno Syst Corp, Massachusetts Technol Transfer Ctr, Mat Res Soc, Merck & Co, Microfluidics, Micromerit Instrument Corp, Microtrac, MINAT 2008, Messe Stuttgart, Minus K Technol, Misonix, Lawrence Berkeley Natl Lab, Mol Foundry, Motorola, Nano Korea 2008, Nano Sci & Technol Inst`, nano tech 2009 Japan, Nano Technol Res Assoc Korea, NanoAndMore USA, NanoDynamics, NanoEurope 2008, NanoInk, Nanomotion, Nanon Imaging Ltd, NANOSENSORS, Nanosyst Initiat Munich, Nanotech No Europe 2008, nano Tox, Nano World AG`, NCI, Natl Inst Stand & Technol, NIH, Natl Nanomfg Network, Natl Nanotechnol Infrastruct, GATech, Microelect Res Ctr, Nat Nano, Nat Publishing Grp, NETZSCH Fine Particle Technol LLC, NIL Technol ApS, Novomer, NTT Adv Technol Corp, Olympus Ind Amer, OSEC, Business Network Switzerland, Oxford Instruments, Particle Technol Labs, Penn State Univ, Photon Spectra, Physik Instrumente LP, picoDrill SA, Piezo Inst, PVD Prod, Q Sense, Quantum Analyt, Raith USA, European Patent Off, Evans Analyt Grp, EXAKT Technologies, First Nano, Flow Sci, FDA, Goodwin Procter LLP, Greater Houston Partnership, Greenberg Traurig LLP, Halcyonics, Headwaters Technol Innovat LLC, Heidelberg Instruments, Hielscher USA, HighNano Analyti, Hiscock & Barclay LLP, Hitachi High Technologies Amr, Hochschule Offenburg Univ Appl Sci, HOCKMEYER Equipment Corp, HORIBA Jobin Yvon, IBU tec adv mat GmbH, IDA Ireland, ImageXpert, Inspec, Inc, IEEE, Inst Nanoscale & Quantum Sci & Technol Adv Res, IntelliSense Software Corp, Invest Germany, IOP Publishing, Italian Trade Commiss, JENOPTIK, Justus Liebig Univ, KAUST, Keithley Instruments, Kelvin Nanotechnol Ltd, Kodak, Kotobuki Ind Co, Ltd, Lake Shore Cryotron, MACRO M, NanoClay, Res Germany Land Ideas, RKS Legal Solut LLC, Dandia Natl Labs, Scottish Enterprise, SEMTech Solut, Serendip, Silvix Corp, SNS Nano Fiber Technol LLC, SoftMEMS LLC, Son & Mat, SW Nano Technologies, Specialty Coating Syst, Spectrum Labs, SPEX SamplePrep LLC, Springer, Sterne, Kessler, Goldstein & Fox PLLC, Strem Chem, Sukgyung A T Co, Lts, Surrey NanoSyst, SUSS MicroTec, Swissnanotech Pavilion, Taylor & Francis Grp LLC, CRC Press, TechConnect, Technovel Corp, Tekna Plasma Syst, Thinky Corp, Thomas Swan & Co Ltd, UGL Unicco, UK Trade & Investment, UniJet, Univ Muenster, Univ Appl Sci, Univ Duisburg, Ctr Nanointegrat Duisburg, Vecco Instruments, Wasatch Mol Inc, Weidmann Plast Technol, Whiteman Osterman & Hanna LLP, Willy A Bachofen AG, WITec GmbH, World Gold Council
DE virus; force; monte carlo; energy; assembly
AB The use of macromolecular scaffolds for hierarchical organization of molecules and materials is a common strategy in living systems that leads to emergent behavior. Here we describe an effort to relate interaction force measurements between viruses and modified substrates to the energy landscape during virus assembly on surfaces. Potentials and binding energies are then used in kinetic Monte Carlo simulations to predict assembly morphology under controlled conditions replicated experimentally. We use atomic force microscope (AFM) tips functionalized with specific chemical species to measure interactions in the assembly system, which includes Cow Pea Mosaic Virus (CPMV). CPMV virus particles were engineered to express specific functional groups to modulate the strength and kinetics of interactions and assembly morphology. We show that the CPMV morphological evolution predicted by the simulations correlates with AFM observations.
C1 [Elhadj, S.; Friddle, R.; Gilmer, G.; Noy, A.; De Yoreo, J. J.] Lawrence Livermore Natl Lab, Livermore, CA USA.
RP Elhadj, S (reprint author), Lawrence Livermore Natl Lab, Livermore, CA USA.
EM elhadj2@llnl.gov
NR 1
TC 0
Z9 0
U1 0
U2 1
PU CRC PRESS-TAYLOR & FRANCIS GROUP
PI BOCA RATON
PA 6000 BROKEN SOUND PARKWAY NW, STE 300, BOCA RATON, FL 33487-2742 USA
BN 978-1-4200-8503-7
PY 2008
BP 499
EP 500
PG 2
WC Chemistry, Physical; Nanoscience & Nanotechnology; Materials Science,
Multidisciplinary; Materials Science, Coatings & Films; Physics,
Condensed Matter
SC Chemistry; Science & Technology - Other Topics; Materials Science;
Physics
GA BMF46
UT WOS:000272169500130
ER
PT B
AU Chung, SW
Presley, AD
Elhadj, S
Hok, S
Hah, SS
Chernov, AA
Francis, MB
Eaton, BE
Feldheim, DL
DeYoreo, JJ
AF Chung, Sung-Wook
Presley, Andrew D.
Elhadj, Selim
Hok, Saphon
Hah, Sang Soo
Chernov, Alex A.
Francis, Matthew B.
Eaton, Bruce E.
Feldheim, Daniel L.
DeYoreo, James J.
BE Laudon, M
Romanowicz, B
TI Scanning Probe-Based fabrication of 3D Nanostructures via Affinity
Templates, Functional RNA and Meniscus-Mediated Surface Remodeling
SO NSTI NANOTECH 2008, VOL 1, TECHNICAL PROCEEDINGS: MATERIALS,
FABRICATION, PARTICLES, AND CHARACTERIZATION
LA English
DT Proceedings Paper
CT Nanotechnology Conference and Trade Show (Nanotech 2008)
CY JUN 01-05, 2008
CL Boston, MA
SP Accelrys Software, Ace Glass, Advance Reprod Corp, Adv Mat Technolog Pte Ltd, Agilent Technol, AIXTRON AG, AJA Int, ALM, Amuneal Mfg Corp, ANSYS, Anton Paar, Appl MicroStruct, Appl Surface Technol, Arkalon Chem Technolog, LLC, Arkema Grp, Artech House Publishers, Asemblon, ASML, Asylum Res, AZoNano, Banner & Witcoff, Beckman Coulter, Bio Nano Counsulting, BioForce Nanosci, Boneer Corp, Birck Nanotechnol Ctr, Purdue Univ, Discovery Pk, Brookhaven Instruments Corp, Buchanan Ingersoll & Rooney PC, Buhler AG, Business Week, Calif NanoSyst Inst, Capovani Brothers, Los Alamos, Ctr Integrated Nanotechnologies, Sandia Natl Labs, Ctr Integrated Nanotechnologies, Oak Ridge Natl Lab, Ctr Nanophase Mat Sci, Argonne Natl Lab, Ctr Nanoscale Mat, Cheap tubes, Clean Technol & Sustainable Ind Org, COMSOL, Cooley Godward Kronish LLP, Core Technol Grp, CRESTEC Corp, CSEM, CVI Melles Griot, Dept Innovat, Ind, Sci & Res, Digital Matrix, Draiswerke, ETH Zurich, Eulitha AG, Marks & Clerk, Marubent Techno Syst Corp, Massachusetts Technol Transfer Ctr, Mat Res Soc, Merck & Co, Microfluidics, Micromerit Instrument Corp, Microtrac, MINAT 2008, Messe Stuttgart, Minus K Technol, Misonix, Lawrence Berkeley Natl Lab, Mol Foundry, Motorola, Nano Korea 2008, Nano Sci & Technol Inst, nano tech 2009 Japan, Nano Technol Res Assoc Korea, NanoAndMore USA, NanoDynamics, NanoEurope 2008, NanoInk, Nanomotion, Nanon Imaging Ltd, NANOSENSORS, Nanosyst Initiat Munich, Nanotech No Europe 2008, nano Tox, Nano World AG, NCI, Natl Inst Stand & Technol, NIH, Natl Nanomfg Network, Natl Nanotechnol Infrastruct, GATech, Microelect Res Ctr, Nat Nano, Nat Publishing Grp, NETZSCH Fine Particle Technol LLC, NIL Technol ApS, Novomer, NTT Adv Technol Corp, Olympus Ind Amer, OSEC, Business Network Switzerland, Oxford Instruments, Particle Technol Labs, Penn State Univ, Photon Spectra, Physik Instrumente LP, picoDrill SA, Piezo Inst, PVD Prod, Q Sense, Quantum Analyt, Raith USA, European Patent Off, Evans Analyt Grp, EXAKT Technologies, First Nano, Flow Sci, FDA, Goodwin Procter LLP, Greater Houston Partnership, Greenberg Traurig LLP, Halcyonics, Headwaters Technol Innovat LLC, Heidelberg Instruments, Hielscher USA, HighNano Analyti, Hiscock & Barclay LLP, Hitachi High Technologies Amer, Hochschule Offenburg Univ Appl Sci, HOCKMEYER Equipment Corp, HORIBA Jobin Yvon, IBU-tec adv mat GmbH, IDA Ireland, ImageXpert, Inspec, Inc, IEEE, Inst Nanoscale & Quantum Sci & Technol Adv Res, IntelliSense Software Corp, Invest Germany, IOP Publishing, Italian Trade Commiss, JENOPTIK, Justus Liebig Univ, KAUST, Keithley Instruments, Kelvin Nanotechnol Ltd, Kodak, Kotobuki Ind Co, Ltd, Lake Shore Cryotron, MACRO M, NanoClay, Res Germany Land Ideas, RKS Legal Solut LLC, Dandia Natl Labs, Scottish Enterprise, SEMTech Solut, Serendip, Silvix Corp, SNS Nano Fiber Technol LLC, SoftMEMS LLC, Son & Mat, SW Nano Technologies, Specialty Coating Syst, Spectrum Labs, SPEX SamplePrep LLC, Springer, Sterne, Kessler, Goldstein & Fox PLLC, Strem Chem, Sukgyung A T Co, Lts, Surrey NanoSyst, SUSS MicroTec, Swissnanotech Pavilion, Taylor & Francis Grp LLC, CRC Press, TechConnect, Technovel Corp, Tekna Plasma Syst, Thinky Corp, Thomas Swan & Co Ltd, UGL Unicco, UK Trade & Investment, UniJet, Univ Munster, Univ Appl Sci, Univ Duisburg, Ctr Nanointegrat Duisburg, Vecco Instruments, Wasatch Mol Inc, Weidmann Plast Technol, Whiteman Osterman & Hanna LLP, Willy A Bachofen AG, WITec GmbH, World Gold Council
DE scanning probe microscopy; scanning probe nanolithography;
nanostructures; affinity templates; virus; RNA
ID DIP-PEN NANOLITHOGRAPHY; TOBACCO-MOSAIC-VIRUS; SELF-ASSEMBLED
MONOLAYERS; SIZED PROTEIN-PATTERNS; IN-VITRO SELECTION; SOLAR-CELLS;
QUANTUM DOTS; NANOIMPRINT LITHOGRAPHY; SOFT LITHOGRAPHY; BUILDING-BLOCKS
AB Developing generic platforms to organize discrete molecular elements and nanostructures into deterministic patterns at surfaces is one of the central challenges in the field of nanotechnology. Here we review three applications of the atomic force microscope (AFM) that address this challenge. In the first, we use two-step nanografting to create patterns of self-assembled monolayers (SAMs) to drive the organization of virus particles that have been either genetically or chemically modified to bind to the SAMs. Virus-SAM chemistries are described that provide irreversible and reversible binding, respectively. In the second, we use similar SAM patterns as affinity templates that have been designed to covalently bind oligonucleotides engineered to bind to the SAMs and selected for their ability to mediate the subsequent growth of metallic nanocrystals. In the final application, the liquid meniscus that condenses at the AFM tip-substrate contact is used as a physical tool to both modulate the surface topography of a water-soluble substrate and guide the hierarchical assembly of Au nanoparticles into nanowires. All three approaches can be generalized to meet the requirements of a wide variety of materials systems and thus provide a potential route towards development of a generic platform for molecular and materials organization.
C1 [Chung, Sung-Wook; Presley, Andrew D.; Elhadj, Selim; Hok, Saphon; Hah, Sang Soo; Chernov, Alex A.; DeYoreo, James J.] Lawrence Livermore Natl Lab, Chem Mat Earth & Life Sci Directorate, 7000 East Ave, Livermore, CA 94551 USA.
[Presley, Andrew D.; Francis, Matthew B.] Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA.
[Eaton, Bruce E.; Feldheim, Daniel L.] Univ Colorado, Dept Chem & Biochem, Boulder, CO 80309 USA.
[DeYoreo, James J.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Mol Foundry, Berkeley, CA 94720 USA.
RP Chung, SW (reprint author), Lawrence Livermore Natl Lab, Chem Mat Earth & Life Sci Directorate, 7000 East Ave, Livermore, CA 94551 USA.
EM chung20@llnl.gov; jjdeyoreo@lbl.gov
FU U.S. Department of Energy (DOE); Office of Basic Energy Science (BES);
Division of Materials Science and Engineering; Lawrence Livermore
National Laboratory (LLNL) [06-LW-051]; Laboratory Directed Research and
Development Program of Lawrence Berkeley National Laboratory (LBNL)
under the Department of Energy (DOE) [DE-ACO2- 05CH11231]; NSF; LLNL
Student Employee Graduate Research Fellowship Program (SEGRF); US.
Department of Energy by Lawrence Livermore National Laboratory [DE AC52
07NA27344]
FX We acknowledge professors John E. Johnson, Tianwei Lin, and Dr. Anju
Chatterji from the Scripps Research Institute for preparing and
supplying genetically engineered Cys- and His-CPMV particles. We
acknowledge the conmbutions of Drs. Ted Tarasow, Lisa Gugliotti and
Julie Perkins to their initial helps on development of synthetic methods
and optimization of RNA mediated reactions. S.W.C. and JD.Y. acknowledge
U.S. Department of Energy (DOE), Office of Basic Energy Science (BES).
Division of Materials Science and Engineering for support of this
research. S.W.C. acknowledges Lawrence Livermore National Laboratory
(LLNL) Laboratory Directed Research and Development Program (LDRD
Laboratory-Wide Funding, 06-LW-051) for support of this research. AD.P.
and M.B.F. acknowledge Laboratory Directed Research and Development
Program of Lawrence Berkeley National Laboratory (LBNL) under the
Department of Energy (DOE) Contract DE-ACO2- 05CH11231. AD.P.
acknowledges LLNL Student Employee Graduate Research Fellowship Program
(SEGRF). B.E.E. and D.L.F. acknowledge NSF, the W. M. Keck Foundation.
and U.S. Department of Energy (DOE). This work performed under the
auspices of the US. Department of Energy by Lawrence Livermore National
Laboratory under Contract DE AC52 07NA27344.
NR 79
TC 0
Z9 0
U1 0
U2 1
PU CRC PRESS-TAYLOR & FRANCIS GROUP
PI BOCA RATON
PA 6000 BROKEN SOUND PARKWAY NW, STE 300, BOCA RATON, FL 33487-2742 USA
BN 978-1-4200-8503-7
PY 2008
BP 501
EP +
PG 4
WC Chemistry, Physical; Nanoscience & Nanotechnology; Materials Science,
Multidisciplinary; Materials Science, Coatings & Films; Physics,
Condensed Matter
SC Chemistry; Science & Technology - Other Topics; Materials Science;
Physics
GA BMF46
UT WOS:000272169500131
ER
PT B
AU Gang, O
Maye, MM
Nykypanchuk, D
Xiong, HM
van der Lelie, D
AF Gang, Oleg
Maye, Mathew M.
Nykypanchuk, Dmytro
Xiong, Huiming
van der Lelie, Daniel
BE Laudon, M
Romanowicz, B
TI DNA-guided Assembly of Organized Nano-Architectures
SO NSTI NANOTECH 2008, VOL 1, TECHNICAL PROCEEDINGS
LA English
DT Proceedings Paper
CT Nanotechnology Conference and Trade Show (Nanotech 2008)
CY JUN 01-05, 2008
CL Boston, MA
SP Accelrys Software, Ace Glass, Advance Reprod Corp, Adv Mat Technologies Pte Ltd, Agilent Technologies, AIXTRON AG, AJA Int, ALM, Amuneal Mfg Corp, ANSYS, Anton Paar USA, Appl MicroStruct, Appl Surface Technologies, Arkalon Chem Technologies, LLC, Arkema Grp, Artech House Publishers, Asemblon, ASML, Asylum Res, AZoNano, Banner & Witcoff, Beckman Coulter, Bio Nano Counsulting, BioForce Nanosci, Boneer Corp, Birck Nanotechnol Ctr, Purdue Univ, Discovery Pk, Brookhaven Instruments Corp, Buchanan Ingersoll & Rooney PC, Buhler AG, Business Week, Calif NanoSyst Inst, Capovani Brothers, Los Alamos, Ctr Integrated Nanotechnologies, Sandia Natl Labs, Ctr Integrated Nanotechnologies, Oak Ridge Natl Lab, Ctr Nanophase Mat Sci, Argonne Natl Lab, Ctr Nanoscale Mat, Cheap tubes, Clean Technol & Sustainable Ind Org, COMSOL, Cooley Godward Kronish LLP, Core Technol Grp, CRESTEC Corp, CSEM, CVI Melles Griot, Dept Innovat, Ind, Sci & Res, Digital Matirx, Draiswerke, ETH Zurich, Eulitha AG, Marks & Clerk, Marubent Techno Syst Corp, Massachusetts Technol Transfer Ctr, Mat Res Soc, Merck & Co, Microfluidics, Micromerit Instrument Corp, Microtrac, MINAT 2008, Messe Stuttgart, Minus K Technol, Misonix, Lawrence Berkeley Natl Lab, Mol Foundry, Motorola, Nano Korea 2008, Nano Sci & Technol Inst`, nano tech 2009 Japan, Nano Technol Res Assoc Korea, NanoAndMore USA, NanoDynamics, NanoEurope 2008, NanoInk, Nanomotion, Nanon Imaging Ltd, NANOSENSORS, Nanosyst Initiat Munich, Nanotech No Europe 2008, nano Tox, Nano World AG`, NCI, Natl Inst Stand & Technol, NIH, Natl Nanomfg Network, Natl Nanotechnol Infrastruct, GATech, Microelect Res Ctr, Nat Nano, Nat Publishing Grp, NETZSCH Fine Particle Technol LLC, NIL Technol ApS, Novomer, NTT Adv Technol Corp, Olympus Ind Amer, OSEC, Business Network Switzerland, Oxford Instruments, Particle Technol Labs, Penn State Univ, Photon Spectra, Physik Instrumente LP, picoDrill SA, Piezo Inst, PVD Prod, Q Sense, Quantum Analyt, Raith USA, European Patent Off, Evans Analyt Grp, EXAKT Technologies, First Nano, Flow Sci, FDA, Goodwin Procter LLP, Greater Houston Partnership, Greenberg Traurig LLP, Halcyonics, Headwaters Technol Innovat LLC, Heidelberg Instruments, Hielscher USA, HighNano Analyti, Hiscock & Barclay LLP, Hitachi High Technologies Amr, Hochschule Offenburg Univ Appl Sci, HOCKMEYER Equipment Corp, HORIBA Jobin Yvon, IBU tec adv mat GmbH, IDA Ireland, ImageXpert, Inspec, Inc, IEEE, Inst Nanoscale & Quantum Sci & Technol Adv Res, IntelliSense Software Corp, Invest Germany, IOP Publishing, Italian Trade Commiss, JENOPTIK, Justus Liebig Univ, KAUST, Keithley Instruments, Kelvin Nanotechnol Ltd, Kodak, Kotobuki Ind Co, Ltd, Lake Shore Cryotron, MACRO M, NanoClay, Res Germany Land Ideas, RKS Legal Solut LLC, Dandia Natl Labs, Scottish Enterprise, SEMTech Solut, Serendip, Silvix Corp, SNS Nano Fiber Technol LLC, SoftMEMS LLC, Son & Mat, SW Nano Technologies, Specialty Coating Syst, Spectrum Labs, SPEX SamplePrep LLC, Springer, Sterne, Kessler, Goldstein & Fox PLLC, Strem Chem, Sukgyung A T Co, Lts, Surrey NanoSyst, SUSS MicroTec, Swissnanotech Pavilion, Taylor & Francis Grp LLC, CRC Press, TechConnect, Technovel Corp, Tekna Plasma Syst, Thinky Corp, Thomas Swan & Co Ltd, UGL Unicco, UK Trade & Investment, UniJet, Univ Muenster, Univ Appl Sci, Univ Duisburg, Ctr Nanointegrat Duisburg, Vecco Instruments, Wasatch Mol Inc, Weidmann Plast Technol, Whiteman Osterman & Hanna LLP, Willy A Bachofen AG, WITec GmbH, World Gold Council
DE DNA; self-assembly; hybrid systems; nanoparticles; superlattices
ID CRYSTALLIZATION; ARRAYS
AB Incorporation of DNA into nano-object design provides a unique opportunity to establish highly selective and reversible interactions between the components of nanosystems. Assembly approaches based on the nano-object's addressability promise powerful routes for creation of rationally designed nano-systems for the development of novel magnetic, photonic and plasmonic metamaterials. DNA provides a powerful platform due its unique recognition capabilities, mechanical and physicochemical stability, and synthetic accessibility of practically any desired nucleotide sequences. Recently, strategies based on DNA programmability for a pre-designed placement of nanoparticles in one- and two-dimensions using scaffolds have been demonstrated [1, 2]. However, in three dimensions, where theory predicted a rich phase behavior[3, 4], experimental realization has remained elusive[5], with nanoscale systems forming amorphous aggregates.
C1 [Gang, Oleg; Maye, Mathew M.; Nykypanchuk, Dmytro; Xiong, Huiming] Brookhaven Natl Lab, Ctr Funct Nanomat, Upton, NY 11973 USA.
RP Gang, O (reprint author), Brookhaven Natl Lab, Ctr Funct Nanomat, Upton, NY 11973 USA.
EM ogang@bnl.gov
NR 12
TC 0
Z9 0
U1 0
U2 2
PU CRC PRESS-TAYLOR & FRANCIS GROUP
PI BOCA RATON
PA 6000 BROKEN SOUND PARKWAY NW, STE 300, BOCA RATON, FL 33487-2742 USA
BN 978-1-4200-8503-7
PY 2008
BP 571
EP 573
PG 3
WC Chemistry, Physical; Nanoscience & Nanotechnology; Materials Science,
Multidisciplinary; Materials Science, Coatings & Films; Physics,
Condensed Matter
SC Chemistry; Science & Technology - Other Topics; Materials Science;
Physics
GA BMF46
UT WOS:000272169500149
ER
PT B
AU Ocola, LE
Lin, XM
AF Ocola, L. E.
Lin, X. -M.
BE Laudon, M
Romanowicz, B
TI Templated Self-Assembly of 5 nm Gold Nanoparticles
SO NSTI NANOTECH 2008, VOL 1, TECHNICAL PROCEEDINGS
LA English
DT Proceedings Paper
CT Nanotechnology Conference and Trade Show (Nanotech 2008)
CY JUN 01-05, 2008
CL Boston, MA
SP Accelrys Software, Ace Glass, Advance Reprod Corp, Adv Mat Technologies Pte Ltd, Agilent Technologies, AIXTRON AG, AJA Int, ALM, Amuneal Mfg Corp, ANSYS, Anton Paar USA, Appl MicroStruct, Appl Surface Technologies, Arkalon Chem Technologies, LLC, Arkema Grp, Artech House Publishers, Asemblon, ASML, Asylum Res, AZoNano, Banner & Witcoff, Beckman Coulter, Bio Nano Counsulting, BioForce Nanosci, Boneer Corp, Birck Nanotechnol Ctr, Purdue Univ, Discovery Pk, Brookhaven Instruments Corp, Buchanan Ingersoll & Rooney PC, Buhler AG, Business Week, Calif NanoSyst Inst, Capovani Brothers, Los Alamos, Ctr Integrated Nanotechnologies, Sandia Natl Labs, Ctr Integrated Nanotechnologies, Oak Ridge Natl Lab, Ctr Nanophase Mat Sci, Argonne Natl Lab, Ctr Nanoscale Mat, Cheap tubes, Clean Technol & Sustainable Ind Org, COMSOL, Cooley Godward Kronish LLP, Core Technol Grp, CRESTEC Corp, CSEM, CVI Melles Griot, Dept Innovat, Ind, Sci & Res, Digital Matirx, Draiswerke, ETH Zurich, Eulitha AG, Marks & Clerk, Marubent Techno Syst Corp, Massachusetts Technol Transfer Ctr, Mat Res Soc, Merck & Co, Microfluidics, Micromerit Instrument Corp, Microtrac, MINAT 2008, Messe Stuttgart, Minus K Technol, Misonix, Lawrence Berkeley Natl Lab, Mol Foundry, Motorola, Nano Korea 2008, Nano Sci & Technol Inst`, nano tech 2009 Japan, Nano Technol Res Assoc Korea, NanoAndMore USA, NanoDynamics, NanoEurope 2008, NanoInk, Nanomotion, Nanon Imaging Ltd, NANOSENSORS, Nanosyst Initiat Munich, Nanotech No Europe 2008, nano Tox, Nano World AG`, NCI, Natl Inst Stand & Technol, NIH, Natl Nanomfg Network, Natl Nanotechnol Infrastruct, GATech, Microelect Res Ctr, Nat Nano, Nat Publishing Grp, NETZSCH Fine Particle Technol LLC, NIL Technol ApS, Novomer, NTT Adv Technol Corp, Olympus Ind Amer, OSEC, Business Network Switzerland, Oxford Instruments, Particle Technol Labs, Penn State Univ, Photon Spectra, Physik Instrumente LP, picoDrill SA, Piezo Inst, PVD Prod, Q Sense, Quantum Analyt, Raith USA, European Patent Off, Evans Analyt Grp, EXAKT Technologies, First Nano, Flow Sci, FDA, Goodwin Procter LLP, Greater Houston Partnership, Greenberg Traurig LLP, Halcyonics, Headwaters Technol Innovat LLC, Heidelberg Instruments, Hielscher USA, HighNano Analyti, Hiscock & Barclay LLP, Hitachi High Technologies Amr, Hochschule Offenburg Univ Appl Sci, HOCKMEYER Equipment Corp, HORIBA Jobin Yvon, IBU tec adv mat GmbH, IDA Ireland, ImageXpert, Inspec, Inc, IEEE, Inst Nanoscale & Quantum Sci & Technol Adv Res, IntelliSense Software Corp, Invest Germany, IOP Publishing, Italian Trade Commiss, JENOPTIK, Justus Liebig Univ, KAUST, Keithley Instruments, Kelvin Nanotechnol Ltd, Kodak, Kotobuki Ind Co, Ltd, Lake Shore Cryotron, MACRO M, NanoClay, Res Germany Land Ideas, RKS Legal Solut LLC, Dandia Natl Labs, Scottish Enterprise, SEMTech Solut, Serendip, Silvix Corp, SNS Nano Fiber Technol LLC, SoftMEMS LLC, Son & Mat, SW Nano Technologies, Specialty Coating Syst, Spectrum Labs, SPEX SamplePrep LLC, Springer, Sterne, Kessler, Goldstein & Fox PLLC, Strem Chem, Sukgyung A T Co, Lts, Surrey NanoSyst, SUSS MicroTec, Swissnanotech Pavilion, Taylor & Francis Grp LLC, CRC Press, TechConnect, Technovel Corp, Tekna Plasma Syst, Thinky Corp, Thomas Swan & Co Ltd, UGL Unicco, UK Trade & Investment, UniJet, Univ Muenster, Univ Appl Sci, Univ Duisburg, Ctr Nanointegrat Duisburg, Vecco Instruments, Wasatch Mol Inc, Weidmann Plast Technol, Whiteman Osterman & Hanna LLP, Willy A Bachofen AG, WITec GmbH, World Gold Council
ID NANOSTRUCTURES
AB Combining top-down electron beam lithography and bottom-up colloidal chemical assembly can potentially lead to large scale patterning of nanocrystals on arbitrary substrates. We report on the templated self-assembly of 5 nm gold nanoparticles in both trenches and in geometries that lend themselves to large area self-assembly. Preliminary results show that templates that retain the self-assembly symmetry can be used to induce self-assembly at distances significantly larger than trench geometry constraints.
Further progress in templated self-assembly will lead to novel nanophotonic and chemical sensing devices, along with the means to extend top-down nanofabrication below the 10 nm barrier.
C1 [Ocola, L. E.; Lin, X. -M.] Argonne Natl Lab, Ctr Nanoscale Mat, Argonne, IL 60439 USA.
RP Ocola, LE (reprint author), Argonne Natl Lab, Ctr Nanoscale Mat, 9700 S Cass Ave, Argonne, IL 60439 USA.
NR 9
TC 0
Z9 0
U1 0
U2 2
PU CRC PRESS-TAYLOR & FRANCIS GROUP
PI BOCA RATON
PA 6000 BROKEN SOUND PARKWAY NW, STE 300, BOCA RATON, FL 33487-2742 USA
BN 978-1-4200-8503-7
PY 2008
BP 578
EP 580
PG 3
WC Chemistry, Physical; Nanoscience & Nanotechnology; Materials Science,
Multidisciplinary; Materials Science, Coatings & Films; Physics,
Condensed Matter
SC Chemistry; Science & Technology - Other Topics; Materials Science;
Physics
GA BMF46
UT WOS:000272169500151
ER
PT B
AU Gao, J
Wang, HL
Shreve, AP
Iyer, R
AF Gao, Jun
Wang, Hsing Lin
Shreve, Andrew P.
Iyer, Rashi
BE Laudon, M
Romanowicz, B
TI Modulation of gamma-Irradiation Induced ROS Responses by Engineered
Fullerenes in Human Epidermal Keratinocytes
SO NSTI NANOTECH 2008, VOL 2, TECHNICAL PROCEEDINGS
LA English
DT Proceedings Paper
CT Nanotechnology Conference and Trade Show (Nanotech 2008)
CY JUN 01-05, 2008
CL Boston, MA
SP Accelrys Software, Ace Glass, Advance Reprod Corp, Adv Mat Technologies Pte Ltd, Agilent Technologies, AIXTRON AG, AJA Int, ALM, Amuneal Mfg Corp, ANSYS, Anton Paar USA, Appl MicroStruct, Appl Surface Technologies, Arkalon Chem Technologies, LLC, Arkema Grp, Artech House Publishers, Asemblon, ASML, Asylum Res, AZoNano, Banner & Witcoff, Beckman Coulter, Bio Nano Counsulting, BioForce Nanosci, Boneer Corp, Birck Nanotechnol Ctr, Purdue Univ, Discovery Pk, Brookhaven Instruments Corp, Buchanan Ingersoll & Rooney PC, Buhler AG, Business Week, Calif NanoSyst Inst, Capovani Brothers, Los Alamos, Ctr Integrated Nanotechnologies, Sandia Natl Labs, Ctr Integrated Nanotechnologies, Oak Ridge Natl Lab, Ctr Nanophase Mat Sci, Argonne Natl Lab, Ctr Nanoscale Mat, Cheap tubes, Clean Technol & Sustainable Ind Org, COMSOL, Cooley Godward Kronish LLP, Core Technol Grp, CRESTEC Corp, CSEM, CVI Melles Griot, Dept Innovat, Ind, Sci & Res, Digital Matirx, Draiswerke, ETH Zurich, Eulitha AG, Marks & Clerk, Marubent Techno Syst Corp, Massachusetts Technol Transfer Ctr, Mat Res Soc, Merck & Co, Microfluidics, Micromerit Instrument Corp, Microtrac, MINAT 2008, Messe Stuttgart, Minus K Technol, Misonix, Lawrence Berkeley Natl Lab, Mol Foundry, Motorola, Nano Korea 2008, Nano Sci & Technol Inst`, nano tech 2009 Japan, Nano Technol Res Assoc Korea, NanoAndMore USA, NanoDynamics, NanoEurope 2008, NanoInk, Nanomotion, Nanon Imaging Ltd, NANOSENSORS, Nanosyst Initiat Munich, Nanotech No Europe 2008, nano Tox, Nano World AG`, NCI, Natl Inst Stand & Technol, NIH, Natl Nanomfg Network, Natl Nanotechnol Infrastruct, GATech, Microelect Res Ctr, Nat Nano, Nat Publishing Grp, NETZSCH Fine Particle Technol LLC, NIL Technol ApS, Novomer, NTT Adv Technol Corp, Olympus Ind Amer, OSEC, Business Network Switzerland, Oxford Instruments, Particle Technol Labs, Penn State Univ, Photon Spectra, Physik Instrumente LP, picoDrill SA, Piezo Inst, PVD Prod, Q Sense, Quantum Analyt, Raith USA, European Patent Off, Evans Analyt Grp, EXAKT Technologies, First Nano, Flow Sci, FDA, Goodwin Procter LLP, Greater Houston Partnership, Greenberg Traurig LLP, Halcyonics, Headwaters Technol Innovat LLC, Heidelberg Instruments, Hielscher USA, HighNano Analyti, Hiscock & Barclay LLP, Hitachi High Technologies Amr, Hochschule Offenburg Univ Appl Sci, HOCKMEYER Equipment Corp, HORIBA Jobin Yvon, IBU tec adv mat GmbH, IDA Ireland, ImageXpert, Inspec, Inc, IEEE, Inst Nanoscale & Quantum Sci & Technol Adv Res, IntelliSense Software Corp, Invest Germany, IOP Publishing, Italian Trade Commiss, JENOPTIK, Justus Liebig Univ, KAUST, Keithley Instruments, Kelvin Nanotechnol Ltd, Kodak, Kotobuki Ind Co, Ltd, Lake Shore Cryotron, MACRO M, NanoClay, Res Germany Land Ideas, RKS Legal Solut LLC, Dandia Natl Labs, Scottish Enterprise, SEMTech Solut, Serendip, Silvix Corp, SNS Nano Fiber Technol LLC, SoftMEMS LLC, Son & Mat, SW Nano Technologies, Specialty Coating Syst, Spectrum Labs, SPEX SamplePrep LLC, Springer, Sterne, Kessler, Goldstein & Fox PLLC, Strem Chem, Sukgyung A T Co, Lts, Surrey NanoSyst, SUSS MicroTec, Swissnanotech Pavilion, Taylor & Francis Grp LLC, CRC Press, TechConnect, Technovel Corp, Tekna Plasma Syst, Thinky Corp, Thomas Swan & Co Ltd, UGL Unicco, UK Trade & Investment, UniJet, Univ Muenster, Univ Appl Sci, Univ Duisburg, Ctr Nanointegrat Duisburg, Vecco Instruments, Wasatch Mol Inc, Weidmann Plast Technol, Whiteman Osterman & Hanna LLP, Willy A Bachofen AG, WITec GmbH, World Gold Council
DE fullerene; reactive oxygen species; keratinocyte; irradiation exposure
and nanotechology
ID DERIVATIVES; RADIATION
AB High-dose ionizing irradiations can cause acute tissue and organ damage, especially severe cutaneous lesions. These cutaneous injuries often result in further complications and incur high mortality. Therefore, it is critical to develop effective therapeutic approaches for acute high-dose ionizing irradiation injury. Intracellular reactive oxygen species (ROS) have been implicated in mediating irradiation-induced cell damage. In the present study, we investigated the protective effect of engineered fullerene nanoparticles on gamma irradiation-induced intracellular ROS levels in human epidermal keratinocytes (HEK). Cells were exposed to water-soluble fullerene derivatives at concentrations of 25, 50, and 100 mu g/ml. Exposure of HEK cells to high-dose gamma (gamma) irradiation (10 and 17 Gy) resulted in a significant increase in cellular ROS levels. The observed gamma-irradiation induced ROS response was notably attenuated by modified-fullerenes, CD-C(60), tris-C(60) and hexa-C(60). Our results point to the potential use of fullerene derivatives as novel therapeutic agents for protection against high-dose irradiation generated ROS-induced cellular damage.
C1 [Gao, Jun; Wang, Hsing Lin; Shreve, Andrew P.; Iyer, Rashi] Los Alamos Natl Lab, Biosci Div, Los Alamos, NM 87544 USA.
RP Iyer, R (reprint author), Los Alamos Natl Lab, Biosci Div, TA 43,MS888, Los Alamos, NM 87544 USA.
EM rashi@lanl.gov
NR 14
TC 0
Z9 0
U1 0
U2 0
PU CRC PRESS-TAYLOR & FRANCIS GROUP
PI BOCA RATON
PA 6000 BROKEN SOUND PARKWAY NW, STE 300, BOCA RATON, FL 33487-2742 USA
BN 978-1-4200-8504-4
PY 2008
BP 77
EP 80
PG 4
WC Nanoscience & Nanotechnology; Medicine, General & Internal; Medicine,
Research & Experimental; Materials Science, Biomaterials
SC Science & Technology - Other Topics; General & Internal Medicine;
Research & Experimental Medicine; Materials Science
GA BMF49
UT WOS:000272169900021
ER
PT B
AU Fornasiero, F
Park, HG
Holt, JK
Stadermann, M
Kim, S
In, JB
Grigoropoulos, CP
Noy, A
Bakajin, O
AF Fornasiero, Francesco
Park, Hyung Gyu
Holt, Jason K.
Stadermann, Michael
Kim, Sangil
In, Jung Bin
Grigoropoulos, Costas P.
Noy, Aleksandr
Bakajin, Olgica
BE Laudon, M
Romanowicz, B
TI Nanofiltration of Electrolyte Solutions by Sub-2nm Carbon Nanotube
Membranes
SO NSTI NANOTECH 2008, VOL 2, TECHNICAL PROCEEDINGS
LA English
DT Proceedings Paper
CT Nanotechnology Conference and Trade Show (Nanotech 2008)
CY JUN 01-05, 2008
CL Boston, MA
SP Accelrys Software, Ace Glass, Advance Reprod Corp, Adv Mat Technologies Pte Ltd, Agilent Technologies, AIXTRON AG, AJA Int, ALM, Amuneal Mfg Corp, ANSYS, Anton Paar USA, Appl MicroStruct, Appl Surface Technologies, Arkalon Chem Technologies, LLC, Arkema Grp, Artech House Publishers, Asemblon, ASML, Asylum Res, AZoNano, Banner & Witcoff, Beckman Coulter, Bio Nano Counsulting, BioForce Nanosci, Boneer Corp, Birck Nanotechnol Ctr, Purdue Univ, Discovery Pk, Brookhaven Instruments Corp, Buchanan Ingersoll & Rooney PC, Buhler AG, Business Week, Calif NanoSyst Inst, Capovani Brothers, Los Alamos, Ctr Integrated Nanotechnologies, Sandia Natl Labs, Ctr Integrated Nanotechnologies, Oak Ridge Natl Lab, Ctr Nanophase Mat Sci, Argonne Natl Lab, Ctr Nanoscale Mat, Cheap tubes, Clean Technol & Sustainable Ind Org, COMSOL, Cooley Godward Kronish LLP, Core Technol Grp, CRESTEC Corp, CSEM, CVI Melles Griot, Dept Innovat, Ind, Sci & Res, Digital Matirx, Draiswerke, ETH Zurich, Eulitha AG, Marks & Clerk, Marubent Techno Syst Corp, Massachusetts Technol Transfer Ctr, Mat Res Soc, Merck & Co, Microfluidics, Micromerit Instrument Corp, Microtrac, MINAT 2008, Messe Stuttgart, Minus K Technol, Misonix, Lawrence Berkeley Natl Lab, Mol Foundry, Motorola, Nano Korea 2008, Nano Sci & Technol Inst`, nano tech 2009 Japan, Nano Technol Res Assoc Korea, NanoAndMore USA, NanoDynamics, NanoEurope 2008, NanoInk, Nanomotion, Nanon Imaging Ltd, NANOSENSORS, Nanosyst Initiat Munich, Nanotech No Europe 2008, nano Tox, Nano World AG`, NCI, Natl Inst Stand & Technol, NIH, Natl Nanomfg Network, Natl Nanotechnol Infrastruct, GATech, Microelect Res Ctr, Nat Nano, Nat Publishing Grp, NETZSCH Fine Particle Technol LLC, NIL Technol ApS, Novomer, NTT Adv Technol Corp, Olympus Ind Amer, OSEC, Business Network Switzerland, Oxford Instruments, Particle Technol Labs, Penn State Univ, Photon Spectra, Physik Instrumente LP, picoDrill SA, Piezo Inst, PVD Prod, Q Sense, Quantum Analyt, Raith USA, European Patent Off, Evans Analyt Grp, EXAKT Technologies, First Nano, Flow Sci, FDA, Goodwin Procter LLP, Greater Houston Partnership, Greenberg Traurig LLP, Halcyonics, Headwaters Technol Innovat LLC, Heidelberg Instruments, Hielscher USA, HighNano Analyti, Hiscock & Barclay LLP, Hitachi High Technologies Amr, Hochschule Offenburg Univ Appl Sci, HOCKMEYER Equipment Corp, HORIBA Jobin Yvon, IBU tec adv mat GmbH, IDA Ireland, ImageXpert, Inspec, Inc, IEEE, Inst Nanoscale & Quantum Sci & Technol Adv Res, IntelliSense Software Corp, Invest Germany, IOP Publishing, Italian Trade Commiss, JENOPTIK, Justus Liebig Univ, KAUST, Keithley Instruments, Kelvin Nanotechnol Ltd, Kodak, Kotobuki Ind Co, Ltd, Lake Shore Cryotron, MACRO M, NanoClay, Res Germany Land Ideas, RKS Legal Solut LLC, Dandia Natl Labs, Scottish Enterprise, SEMTech Solut, Serendip, Silvix Corp, SNS Nano Fiber Technol LLC, SoftMEMS LLC, Son & Mat, SW Nano Technologies, Specialty Coating Syst, Spectrum Labs, SPEX SamplePrep LLC, Springer, Sterne, Kessler, Goldstein & Fox PLLC, Strem Chem, Sukgyung A T Co, Lts, Surrey NanoSyst, SUSS MicroTec, Swissnanotech Pavilion, Taylor & Francis Grp LLC, CRC Press, TechConnect, Technovel Corp, Tekna Plasma Syst, Thinky Corp, Thomas Swan & Co Ltd, UGL Unicco, UK Trade & Investment, UniJet, Univ Muenster, Univ Appl Sci, Univ Duisburg, Ctr Nanointegrat Duisburg, Vecco Instruments, Wasatch Mol Inc, Weidmann Plast Technol, Whiteman Osterman & Hanna LLP, Willy A Bachofen AG, WITec GmbH, World Gold Council
DE carbon nanotube; membrane; ion exclusion; fast flow
ID WATER; TRANSPORT; GROWTH
AB Both MD simulations and experimental studies have shown that liquid and gas flow through carbon nanotubes with nanometer size diameter is exceptionally fast. For applications in separation technology, selectivity is required together with fast flow. In this work, we use pressure-driven filtration experiments to study ion exclusion in silicon nitride/sub-2-nm CNT composite membranes as a function of solution ionic strength, pH, and ion valence. We show that carbon nanotube membranes exhibit significant ion exclusion at low salt concentration. Our results support a rejection mechanism dominated by electrostatic interactions between fixed membrane charges and mobile ions, while steric and hydrodynamic effects appear to be less important. Comparison with commercial nanofiltration membranes for water softening reveals that our carbon nanotube membranes provides far superior water fluxes for similar ion rejection capabilities.
C1 [Fornasiero, Francesco; Park, Hyung Gyu; Holt, Jason K.; Stadermann, Michael; Noy, Aleksandr; Bakajin, Olgica] Lawrence Livermore Natl Lab, CMELS, Biosci & Biotechnol Div, Livermore, CA 94550 USA.
RP Fornasiero, F (reprint author), Lawrence Livermore Natl Lab, CMELS, Biosci & Biotechnol Div, Livermore, CA 94550 USA.
RI Stadermann, Michael /A-5936-2012; Fornasiero, Francesco/I-3802-2012;
Park, Hyung Gyu/F-3056-2013
OI Stadermann, Michael /0000-0001-8920-3581; Park, Hyung
Gyu/0000-0001-8121-2344
NR 17
TC 0
Z9 0
U1 1
U2 6
PU CRC PRESS-TAYLOR & FRANCIS GROUP
PI BOCA RATON
PA 6000 BROKEN SOUND PARKWAY NW, STE 300, BOCA RATON, FL 33487-2742 USA
BN 978-1-4200-8504-4
PY 2008
BP 106
EP 109
PG 4
WC Nanoscience & Nanotechnology; Medicine, General & Internal; Medicine,
Research & Experimental; Materials Science, Biomaterials
SC Science & Technology - Other Topics; General & Internal Medicine;
Research & Experimental Medicine; Materials Science
GA BMF49
UT WOS:000272169900030
ER
PT B
AU Svedruzic-Chang, D
Blackburn, JL
McDonald, TJ
Heben, MJ
King, PW
AF Svedruzic-Chang, D.
Blackburn, J. L.
McDonald, T. J.
Heben, M. J.
King, P. W.
BE Laudon, M
Romanowicz, B
TI Studies of Hybrid Nano-Bio-System: Single-Walled Carbon Nanotubes and
Hydrogenase
SO NSTI NANOTECH 2008, VOL 2, TECHNICAL PROCEEDINGS
LA English
DT Proceedings Paper
CT Nanotechnology Conference and Trade Show (Nanotech 2008)
CY JUN 01-05, 2008
CL Boston, MA
SP Accelrys Software, Ace Glass, Advance Reprod Corp, Adv Mat Technologies Pte Ltd, Agilent Technologies, AIXTRON AG, AJA Int, ALM, Amuneal Mfg Corp, ANSYS, Anton Paar USA, Appl MicroStruct, Appl Surface Technologies, Arkalon Chem Technologies, LLC, Arkema Grp, Artech House Publishers, Asemblon, ASML, Asylum Res, AZoNano, Banner & Witcoff, Beckman Coulter, Bio Nano Counsulting, BioForce Nanosci, Boneer Corp, Birck Nanotechnol Ctr, Purdue Univ, Discovery Pk, Brookhaven Instruments Corp, Buchanan Ingersoll & Rooney PC, Buhler AG, Business Week, Calif NanoSyst Inst, Capovani Brothers, Los Alamos, Ctr Integrated Nanotechnologies, Sandia Natl Labs, Ctr Integrated Nanotechnologies, Oak Ridge Natl Lab, Ctr Nanophase Mat Sci, Argonne Natl Lab, Ctr Nanoscale Mat, Cheap tubes, Clean Technol & Sustainable Ind Org, COMSOL, Cooley Godward Kronish LLP, Core Technol Grp, CRESTEC Corp, CSEM, CVI Melles Griot, Dept Innovat, Ind, Sci & Res, Digital Matirx, Draiswerke, ETH Zurich, Eulitha AG, Marks & Clerk, Marubent Techno Syst Corp, Massachusetts Technol Transfer Ctr, Mat Res Soc, Merck & Co, Microfluidics, Micromerit Instrument Corp, Microtrac, MINAT 2008, Messe Stuttgart, Minus K Technol, Misonix, Lawrence Berkeley Natl Lab, Mol Foundry, Motorola, Nano Korea 2008, Nano Sci & Technol Inst`, nano tech 2009 Japan, Nano Technol Res Assoc Korea, NanoAndMore USA, NanoDynamics, NanoEurope 2008, NanoInk, Nanomotion, Nanon Imaging Ltd, NANOSENSORS, Nanosyst Initiat Munich, Nanotech No Europe 2008, nano Tox, Nano World AG`, NCI, Natl Inst Stand & Technol, NIH, Natl Nanomfg Network, Natl Nanotechnol Infrastruct, GATech, Microelect Res Ctr, Nat Nano, Nat Publishing Grp, NETZSCH Fine Particle Technol LLC, NIL Technol ApS, Novomer, NTT Adv Technol Corp, Olympus Ind Amer, OSEC, Business Network Switzerland, Oxford Instruments, Particle Technol Labs, Penn State Univ, Photon Spectra, Physik Instrumente LP, picoDrill SA, Piezo Inst, PVD Prod, Q Sense, Quantum Analyt, Raith USA, European Patent Off, Evans Analyt Grp, EXAKT Technologies, First Nano, Flow Sci, FDA, Goodwin Procter LLP, Greater Houston Partnership, Greenberg Traurig LLP, Halcyonics, Headwaters Technol Innovat LLC, Heidelberg Instruments, Hielscher USA, HighNano Analyti, Hiscock & Barclay LLP, Hitachi High Technologies Amr, Hochschule Offenburg Univ Appl Sci, HOCKMEYER Equipment Corp, HORIBA Jobin Yvon, IBU tec adv mat GmbH, IDA Ireland, ImageXpert, Inspec, Inc, IEEE, Inst Nanoscale & Quantum Sci & Technol Adv Res, IntelliSense Software Corp, Invest Germany, IOP Publishing, Italian Trade Commiss, JENOPTIK, Justus Liebig Univ, KAUST, Keithley Instruments, Kelvin Nanotechnol Ltd, Kodak, Kotobuki Ind Co, Ltd, Lake Shore Cryotron, MACRO M, NanoClay, Res Germany Land Ideas, RKS Legal Solut LLC, Dandia Natl Labs, Scottish Enterprise, SEMTech Solut, Serendip, Silvix Corp, SNS Nano Fiber Technol LLC, SoftMEMS LLC, Son & Mat, SW Nano Technologies, Specialty Coating Syst, Spectrum Labs, SPEX SamplePrep LLC, Springer, Sterne, Kessler, Goldstein & Fox PLLC, Strem Chem, Sukgyung A T Co, Lts, Surrey NanoSyst, SUSS MicroTec, Swissnanotech Pavilion, Taylor & Francis Grp LLC, CRC Press, TechConnect, Technovel Corp, Tekna Plasma Syst, Thinky Corp, Thomas Swan & Co Ltd, UGL Unicco, UK Trade & Investment, UniJet, Univ Muenster, Univ Appl Sci, Univ Duisburg, Ctr Nanointegrat Duisburg, Vecco Instruments, Wasatch Mol Inc, Weidmann Plast Technol, Whiteman Osterman & Hanna LLP, Willy A Bachofen AG, WITec GmbH, World Gold Council
DE nano-bio-systems; single-walled carbon nanotubes; hydrogenase;
charge-transfer; Raman
AB We have examined changes in single-walled carbon nanotube's (SWNTs) optical signals upon addition of [FeFe] hydrogenases (H(2)ase). Evidence was found that stable SWNT/H(2)ase charge-transfer complexes self-assemble in solution under conditions of H(2)ase catalytic turnover. Raman studies suggest that metallic SWNT can undergo either forward or reverse electron transfer depending on the H(2)ase redox state. This amphoteric behavior is due to the electronic band structure of the metallic SWNTs, which leads to both occupied and empty mid-gap electron states at the Fermi level. In contrast, semiconducting SWNT, which had no mid-gap states, can only accept electrons from the reduced H(2)ase. In context of hybrid SWNT-H(2)ase based devices, metallic SWNTs are more suited for applications as a conductive molecular wire, while semiconducting SWNTs are more suited for use in nanoscale sensors or photovoltaic devices.
C1 [Svedruzic-Chang, D.; Blackburn, J. L.; McDonald, T. J.; Heben, M. J.; King, P. W.] Natl Renewable Energy Lab, Golden, CO 80201 USA.
RP Svedruzic-Chang, D (reprint author), Natl Renewable Energy Lab, 1617 Cole Blvd, Golden, CO 80201 USA.
EM drazenka_svedruzic@nrel.gov; Jeffrey_blackburn@nrel.gov;
timmy.mac@gmail.com; michael_heben@nrel.gov
NR 4
TC 0
Z9 0
U1 0
U2 4
PU CRC PRESS-TAYLOR & FRANCIS GROUP
PI BOCA RATON
PA 6000 BROKEN SOUND PARKWAY NW, STE 300, BOCA RATON, FL 33487-2742 USA
BN 978-1-4200-8504-4
PY 2008
BP 289
EP 292
PG 4
WC Nanoscience & Nanotechnology; Medicine, General & Internal; Medicine,
Research & Experimental; Materials Science, Biomaterials
SC Science & Technology - Other Topics; General & Internal Medicine;
Research & Experimental Medicine; Materials Science
GA BMF49
UT WOS:000272169900079
ER
PT B
AU Frank, E
Lin, Y
Makowski, L
AF Frank, Ed
Lin, Yao
Makowski, Lee
BE Laudon, M
Romanowicz, B
TI Combinatorial Approaches to Constructing Protein Nanostructures
SO NSTI NANOTECH 2008, VOL 2, TECHNICAL PROCEEDINGS
LA English
DT Proceedings Paper
CT Nanotechnology Conference and Trade Show (Nanotech 2008)
CY JUN 01-05, 2008
CL Boston, MA
SP Accelrys Software, Ace Glass, Advance Reprod Corp, Adv Mat Technologies Pte Ltd, Agilent Technologies, AIXTRON AG, AJA Int, ALM, Amuneal Mfg Corp, ANSYS, Anton Paar USA, Appl MicroStruct, Appl Surface Technologies, Arkalon Chem Technologies, LLC, Arkema Grp, Artech House Publishers, Asemblon, ASML, Asylum Res, AZoNano, Banner & Witcoff, Beckman Coulter, Bio Nano Counsulting, BioForce Nanosci, Boneer Corp, Birck Nanotechnol Ctr, Purdue Univ, Discovery Pk, Brookhaven Instruments Corp, Buchanan Ingersoll & Rooney PC, Buhler AG, Business Week, Calif NanoSyst Inst, Capovani Brothers, Los Alamos, Ctr Integrated Nanotechnologies, Sandia Natl Labs, Ctr Integrated Nanotechnologies, Oak Ridge Natl Lab, Ctr Nanophase Mat Sci, Argonne Natl Lab, Ctr Nanoscale Mat, Cheap tubes, Clean Technol & Sustainable Ind Org, COMSOL, Cooley Godward Kronish LLP, Core Technol Grp, CRESTEC Corp, CSEM, CVI Melles Griot, Dept Innovat, Ind, Sci & Res, Digital Matirx, Draiswerke, ETH Zurich, Eulitha AG, Marks & Clerk, Marubent Techno Syst Corp, Massachusetts Technol Transfer Ctr, Mat Res Soc, Merck & Co, Microfluidics, Micromerit Instrument Corp, Microtrac, MINAT 2008, Messe Stuttgart, Minus K Technol, Misonix, Lawrence Berkeley Natl Lab, Mol Foundry, Motorola, Nano Korea 2008, Nano Sci & Technol Inst`, nano tech 2009 Japan, Nano Technol Res Assoc Korea, NanoAndMore USA, NanoDynamics, NanoEurope 2008, NanoInk, Nanomotion, Nanon Imaging Ltd, NANOSENSORS, Nanosyst Initiat Munich, Nanotech No Europe 2008, nano Tox, Nano World AG`, NCI, Natl Inst Stand & Technol, NIH, Natl Nanomfg Network, Natl Nanotechnol Infrastruct, GATech, Microelect Res Ctr, Nat Nano, Nat Publishing Grp, NETZSCH Fine Particle Technol LLC, NIL Technol ApS, Novomer, NTT Adv Technol Corp, Olympus Ind Amer, OSEC, Business Network Switzerland, Oxford Instruments, Particle Technol Labs, Penn State Univ, Photon Spectra, Physik Instrumente LP, picoDrill SA, Piezo Inst, PVD Prod, Q Sense, Quantum Analyt, Raith USA, European Patent Off, Evans Analyt Grp, EXAKT Technologies, First Nano, Flow Sci, FDA, Goodwin Procter LLP, Greater Houston Partnership, Greenberg Traurig LLP, Halcyonics, Headwaters Technol Innovat LLC, Heidelberg Instruments, Hielscher USA, HighNano Analyti, Hiscock & Barclay LLP, Hitachi High Technologies Amr, Hochschule Offenburg Univ Appl Sci, HOCKMEYER Equipment Corp, HORIBA Jobin Yvon, IBU tec adv mat GmbH, IDA Ireland, ImageXpert, Inspec, Inc, IEEE, Inst Nanoscale & Quantum Sci & Technol Adv Res, IntelliSense Software Corp, Invest Germany, IOP Publishing, Italian Trade Commiss, JENOPTIK, Justus Liebig Univ, KAUST, Keithley Instruments, Kelvin Nanotechnol Ltd, Kodak, Kotobuki Ind Co, Ltd, Lake Shore Cryotron, MACRO M, NanoClay, Res Germany Land Ideas, RKS Legal Solut LLC, Dandia Natl Labs, Scottish Enterprise, SEMTech Solut, Serendip, Silvix Corp, SNS Nano Fiber Technol LLC, SoftMEMS LLC, Son & Mat, SW Nano Technologies, Specialty Coating Syst, Spectrum Labs, SPEX SamplePrep LLC, Springer, Sterne, Kessler, Goldstein & Fox PLLC, Strem Chem, Sukgyung A T Co, Lts, Surrey NanoSyst, SUSS MicroTec, Swissnanotech Pavilion, Taylor & Francis Grp LLC, CRC Press, TechConnect, Technovel Corp, Tekna Plasma Syst, Thinky Corp, Thomas Swan & Co Ltd, UGL Unicco, UK Trade & Investment, UniJet, Univ Muenster, Univ Appl Sci, Univ Duisburg, Ctr Nanointegrat Duisburg, Vecco Instruments, Wasatch Mol Inc, Weidmann Plast Technol, Whiteman Osterman & Hanna LLP, Willy A Bachofen AG, WITec GmbH, World Gold Council
DE phage display; nanostructures; proteins; hybrid structures
ID PHAGE; SELECTION; BIOLOGY; DOMAIN
AB A major bottleneck in the use of proteins for the construction of complex nanostructures is the design of protein interfaces that will bind to one another with high-affinity and high specificity. The interaction of subunits with one another may be mediated by non-covalent, high-affinity protein-protein contacts, as is the case in many naturally occurring multi-subunit complexes. However, there are currently no well developed strategies for the design of complementary binding surfaces such as those required for the engineering of multi-subunit nanostructures. In the absence of a design paradigm, a promising alternative is the selection of tight binders from large, combinatorial libraries. The design specifications for these libraries include stability and physical robustness of the scaffold molecule; diversity of the displayed peptides; and case of synthesis/expression.
C1 [Frank, Ed] Argonne Natl Lab, Div Math & Comp Sci, Argonne, IL 60439 USA.
RP Frank, E (reprint author), Argonne Natl Lab, Div Math & Comp Sci, 9700 S Cass Ave, Argonne, IL 60439 USA.
EM efrank@northwestern.edu; lin@anl.gov; lmakowski@anl.gov
NR 12
TC 0
Z9 0
U1 0
U2 0
PU CRC PRESS-TAYLOR & FRANCIS GROUP
PI BOCA RATON
PA 6000 BROKEN SOUND PARKWAY NW, STE 300, BOCA RATON, FL 33487-2742 USA
BN 978-1-4200-8504-4
PY 2008
BP 453
EP 456
PG 4
WC Nanoscience & Nanotechnology; Medicine, General & Internal; Medicine,
Research & Experimental; Materials Science, Biomaterials
SC Science & Technology - Other Topics; General & Internal Medicine;
Research & Experimental Medicine; Materials Science
GA BMF49
UT WOS:000272169900123
ER
PT B
AU Dattelbaum, AM
Montano, GA
Roco, A
Shreve, AP
Iyer, S
AF Dattelbaum, Andrew M.
Montano, Gabriel A.
Roco, Armanda
Shreve, Andrew P.
Iyer, Srinivas
BE Laudon, M
Romanowicz, B
TI Myelin-mimetic Lipid Multilayers
SO NSTI NANOTECH 2008, VOL 2, TECHNICAL PROCEEDINGS
LA English
DT Proceedings Paper
CT Nanotechnology Conference and Trade Show (Nanotech 2008)
CY JUN 01-05, 2008
CL Boston, MA
SP Accelrys Software, Ace Glass, Advance Reprod Corp, Adv Mat Technologies Pte Ltd, Agilent Technologies, AIXTRON AG, AJA Int, ALM, Amuneal Mfg Corp, ANSYS, Anton Paar USA, Appl MicroStruct, Appl Surface Technologies, Arkalon Chem Technologies, LLC, Arkema Grp, Artech House Publishers, Asemblon, ASML, Asylum Res, AZoNano, Banner & Witcoff, Beckman Coulter, Bio Nano Counsulting, BioForce Nanosci, Boneer Corp, Birck Nanotechnol Ctr, Purdue Univ, Discovery Pk, Brookhaven Instruments Corp, Buchanan Ingersoll & Rooney PC, Buhler AG, Business Week, Calif NanoSyst Inst, Capovani Brothers, Los Alamos, Ctr Integrated Nanotechnologies, Sandia Natl Labs, Ctr Integrated Nanotechnologies, Oak Ridge Natl Lab, Ctr Nanophase Mat Sci, Argonne Natl Lab, Ctr Nanoscale Mat, Cheap tubes, Clean Technol & Sustainable Ind Org, COMSOL, Cooley Godward Kronish LLP, Core Technol Grp, CRESTEC Corp, CSEM, CVI Melles Griot, Dept Innovat, Ind, Sci & Res, Digital Matirx, Draiswerke, ETH Zurich, Eulitha AG, Marks & Clerk, Marubent Techno Syst Corp, Massachusetts Technol Transfer Ctr, Mat Res Soc, Merck & Co, Microfluidics, Micromerit Instrument Corp, Microtrac, MINAT 2008, Messe Stuttgart, Minus K Technol, Misonix, Lawrence Berkeley Natl Lab, Mol Foundry, Motorola, Nano Korea 2008, Nano Sci & Technol Inst`, nano tech 2009 Japan, Nano Technol Res Assoc Korea, NanoAndMore USA, NanoDynamics, NanoEurope 2008, NanoInk, Nanomotion, Nanon Imaging Ltd, NANOSENSORS, Nanosyst Initiat Munich, Nanotech No Europe 2008, nano Tox, Nano World AG`, NCI, Natl Inst Stand & Technol, NIH, Natl Nanomfg Network, Natl Nanotechnol Infrastruct, GATech, Microelect Res Ctr, Nat Nano, Nat Publishing Grp, NETZSCH Fine Particle Technol LLC, NIL Technol ApS, Novomer, NTT Adv Technol Corp, Olympus Ind Amer, OSEC, Business Network Switzerland, Oxford Instruments, Particle Technol Labs, Penn State Univ, Photon Spectra, Physik Instrumente LP, picoDrill SA, Piezo Inst, PVD Prod, Q Sense, Quantum Analyt, Raith USA, European Patent Off, Evans Analyt Grp, EXAKT Technologies, First Nano, Flow Sci, FDA, Goodwin Procter LLP, Greater Houston Partnership, Greenberg Traurig LLP, Halcyonics, Headwaters Technol Innovat LLC, Heidelberg Instruments, Hielscher USA, HighNano Analyti, Hiscock & Barclay LLP, Hitachi High Technologies Amr, Hochschule Offenburg Univ Appl Sci, HOCKMEYER Equipment Corp, HORIBA Jobin Yvon, IBU tec adv mat GmbH, IDA Ireland, ImageXpert, Inspec, Inc, IEEE, Inst Nanoscale & Quantum Sci & Technol Adv Res, IntelliSense Software Corp, Invest Germany, IOP Publishing, Italian Trade Commiss, JENOPTIK, Justus Liebig Univ, KAUST, Keithley Instruments, Kelvin Nanotechnol Ltd, Kodak, Kotobuki Ind Co, Ltd, Lake Shore Cryotron, MACRO M, NanoClay, Res Germany Land Ideas, RKS Legal Solut LLC, Dandia Natl Labs, Scottish Enterprise, SEMTech Solut, Serendip, Silvix Corp, SNS Nano Fiber Technol LLC, SoftMEMS LLC, Son & Mat, SW Nano Technologies, Specialty Coating Syst, Spectrum Labs, SPEX SamplePrep LLC, Springer, Sterne, Kessler, Goldstein & Fox PLLC, Strem Chem, Sukgyung A T Co, Lts, Surrey NanoSyst, SUSS MicroTec, Swissnanotech Pavilion, Taylor & Francis Grp LLC, CRC Press, TechConnect, Technovel Corp, Tekna Plasma Syst, Thinky Corp, Thomas Swan & Co Ltd, UGL Unicco, UK Trade & Investment, UniJet, Univ Muenster, Univ Appl Sci, Univ Duisburg, Ctr Nanointegrat Duisburg, Vecco Instruments, Wasatch Mol Inc, Weidmann Plast Technol, Whiteman Osterman & Hanna LLP, Willy A Bachofen AG, WITec GmbH, World Gold Council
DE myelin; biomimetic; lipid; multi-bilayer; protein
ID BASIC-PROTEIN; MEMBRANE; MODELS
AB The myelin sheath is among nature's most fascinating nanoscale assemblies. In spite of its critical role in physiology, several questions on the structure-function relationship of myelin and its components remain unanswered. This is chiefly due to the fact that interactions between the constituents of myelin are particularly difficult to study in intact tissue. The compact, multi- lamellar structure of myelin inhibits or limits access to the interacting membrane surfaces. In addition, characterizing the interaction of purified myelin components has provided only limited information on such things as compositional and environmental effects on myelin structure. Thus, there is a tremendous need to develop novel biomimetic systems that can act as experimental models to help understand this critical component of complex neural systems. Our long-term goal is to create an assembly that closely mimics structural and functional aspects of natural myelin. Here we present data demonstrating the controlled assembly of protein linked multi-bilayers. We also present data supporting the applicability of approaches such as spectroscopic ellipsometry, AFM and fluorescence microscopy to analyze the structural integrity of the assemblies.
C1 [Dattelbaum, Andrew M.; Montano, Gabriel A.; Roco, Armanda; Shreve, Andrew P.] Los Alamos Natl Lab, MPA Ctr Integrated Nanotechnol, Los Alamos, NM USA.
RP Dattelbaum, AM (reprint author), Los Alamos Natl Lab, MPA Ctr Integrated Nanotechnol, Los Alamos, NM USA.
EM siyer@lanl.gov
NR 18
TC 0
Z9 0
U1 2
U2 4
PU CRC PRESS-TAYLOR & FRANCIS GROUP
PI BOCA RATON
PA 6000 BROKEN SOUND PARKWAY NW, STE 300, BOCA RATON, FL 33487-2742 USA
BN 978-1-4200-8504-4
PY 2008
BP 480
EP 483
PG 4
WC Nanoscience & Nanotechnology; Medicine, General & Internal; Medicine,
Research & Experimental; Materials Science, Biomaterials
SC Science & Technology - Other Topics; General & Internal Medicine;
Research & Experimental Medicine; Materials Science
GA BMF49
UT WOS:000272169900131
ER
PT B
AU Bogart, KHA
El-Kady, I
Grubbs, RK
Rahimian, K
Sanchez, AM
Ellis, AR
Wiwi, M
McCormick, FB
Shir, DJL
Rogers, JA
AF Bogart, K. H. A.
El-Kady, I.
Grubbs, R. K.
Rahimian, K.
Sanchez, A. M.
Ellis, A. R.
Wiwi, M.
McCormick, F. B.
Shir, D. J. -L.
Rogers, J. A.
BE Laudon, M
Romanowicz, B
TI Simulation and Fabrication of Large-Area 3D Nanostructures
SO NSTI NANOTECH 2008, VOL 3, TECHNICAL PROCEEDINGS
LA English
DT Proceedings Paper
CT Nanotechnology Conference and Trade Show (Nanotech 2008)
CY JUN 01-05, 2008
CL Boston, MA
SP Accelrys Software, Ace Glass, Advance Reprod Corp, Adv Mat Technologies Pte Ltd, Agilent Technologies, AIXTRON AG, AJA Int, ALM, Amuneal Mfg Corp, ANSYS, Anton Paar USA, Appl MicroStruct, Appl Surface Technologies, Arkalon Chem Technologies, LLC, Arkema Grp, Artech House Publishers, Asemblon, ASML, Asylum Res, AZoNano, Banner & Witcoff, Beckman Coulter, Bio Nano Counsulting, BioForce Nanosci, Boneer Corp, Birck Nanotechnol Ctr, Purdue Univ, Discovery Pk, Brookhaven Instruments Corp, Buchanan Ingersoll & Rooney PC, Buhler AG, Business Week, Calif NanoSyst Inst, Capovani Brothers, Los Alamos, Ctr Integrated Nanotechnologies, Sandia Natl Labs, Ctr Integrated Nanotechnologies, Oak Ridge Natl Lab, Ctr Nanophase Mat Sci, Argonne Natl Lab, Ctr Nanoscale Mat, Cheap tubes, Clean Technol & Sustainable Ind Org, COMSOL, Cooley Godward Kronish LLP, Core Technol Grp, CRESTEC Corp, CSEM, CVI Melles Griot, Dept Innovat, Ind, Sci & Res, Digital Matirx, Draiswerke, ETH Zurich, Eulitha AG, Marks & Clerk, Marubent Techno Syst Corp, Massachusetts Technol Transfer Ctr, Mat Res Soc, Merck & Co, Microfluidics, Micromerit Instrument Corp, Microtrac, MINAT 2008, Messe Stuttgart, Minus K Technol, Misonix, Lawrence Berkeley Natl Lab, Mol Foundry, Motorola, Nano Korea 2008, Nano Sci & Technol Inst`, nano tech 2009 Japan, Nano Technol Res Assoc Korea, NanoAndMore USA, NanoDynamics, NanoEurope 2008, NanoInk, Nanomotion, Nanon Imaging Ltd, NANOSENSORS, Nanosyst Initiat Munich, Nanotech No Europe 2008, nano Tox, Nano World AG`, NCI, Natl Inst Stand & Technol, NIH, Natl Nanomfg Network, Natl Nanotechnol Infrastruct, GATech, Microelect Res Ctr, Nat Nano, Nat Publishing Grp, NETZSCH Fine Particle Technol LLC, NIL Technol ApS, Novomer, NTT Adv Technol Corp, Olympus Ind Amer, OSEC, Business Network Switzerland, Oxford Instruments, Particle Technol Labs, Penn State Univ, Photon Spectra, Physik Instrumente LP, picoDrill SA, Piezo Inst, PVD Prod, Q Sense, Quantum Analyt, Raith USA, European Patent Off, Evans Analyt Grp, EXAKT Technologies, First Nano, Flow Sci, FDA, Goodwin Procter LLP, Greater Houston Partnership, Greenberg Traurig LLP, Halcyonics, Headwaters Technol Innovat LLC, Heidelberg Instruments, Hielscher USA, HighNano Analyti, Hiscock & Barclay LLP, Hitachi High Technologies Amr, Hochschule Offenburg Univ Appl Sci, HOCKMEYER Equipment Corp, HORIBA Jobin Yvon, IBU tec adv mat GmbH, IDA Ireland, ImageXpert, Inspec, Inc, IEEE, Inst Nanoscale & Quantum Sci & Technol Adv Res, IntelliSense Software Corp, Invest Germany, IOP Publishing, Italian Trade Commiss, JENOPTIK, Justus Liebig Univ, KAUST, Keithley Instruments, Kelvin Nanotechnol Ltd, Kodak, Kotobuki Ind Co, Ltd, Lake Shore Cryotron, MACRO M, NanoClay, Res Germany Land Ideas, RKS Legal Solut LLC, Dandia Natl Labs, Scottish Enterprise, SEMTech Solut, Serendip, Silvix Corp, SNS Nano Fiber Technol LLC, SoftMEMS LLC, Son & Mat, SW Nano Technologies, Specialty Coating Syst, Spectrum Labs, SPEX SamplePrep LLC, Springer, Sterne, Kessler, Goldstein & Fox PLLC, Strem Chem, Sukgyung A T Co, Lts, Surrey NanoSyst, SUSS MicroTec, Swissnanotech Pavilion, Taylor & Francis Grp LLC, CRC Press, TechConnect, Technovel Corp, Tekna Plasma Syst, Thinky Corp, Thomas Swan & Co Ltd, UGL Unicco, UK Trade & Investment, UniJet, Univ Muenster, Univ Appl Sci, Univ Duisburg, Ctr Nanointegrat Duisburg, Vecco Instruments, Wasatch Mol Inc, Weidmann Plast Technol, Whiteman Osterman & Hanna LLP, Willy A Bachofen AG, WITec GmbH, World Gold Council
DE nanostructure; lithography; quasicrystal; photonic; model
ID PHASE MASKS
AB Three-dimensional (3D) nano-structures are vital for emerging technologies such as photonics, sensors, fuel cells, catalyst supports, and data storage. The Proximity-field nanoPatteming(1) method generates complex 3D nanostructures using a single exposure through an elastomeric "phase mask" patterned in x, y, and z, and a single development cycle. We developed a model that predicts the phase mask required to generate a specific desired nanostructure. We have compared this inverse model with experimental 3D structures to test the validity of the simulation. We have transferred the PnP fabrication process to a class-10 commercial cleamoom and scaled-up the processed area to >2000mm(2), tested photopolymer additives designed to reduce resist shrinkage, incorporated atomic layer deposition (ALD) to coat the 3D patterned resist with metals/metal-oxides improve structure robustness, and generated quasi-crystal patterned 3D nanostructures.
C1 [Bogart, K. H. A.; El-Kady, I.; Grubbs, R. K.; Rahimian, K.; Sanchez, A. M.; Ellis, A. R.; Wiwi, M.; McCormick, F. B.] Sandia Natl Labs, Livermore, CA 94550 USA.
RP Bogart, KHA (reprint author), Sandia Natl Labs, Livermore, CA 94550 USA.
EM khbogar@sandia.gov
NR 9
TC 0
Z9 0
U1 0
U2 0
PU CRC PRESS-TAYLOR & FRANCIS GROUP
PI BOCA RATON
PA 6000 BROKEN SOUND PARKWAY NW, STE 300, BOCA RATON, FL 33487-2742 USA
BN 978-1-4200-8505-1
PY 2008
BP 9
EP 12
PG 4
WC Chemistry, Multidisciplinary; Engineering, Biomedical; Engineering,
Electrical & Electronic; Nanoscience & Nanotechnology; Physics, Applied
SC Chemistry; Engineering; Science & Technology - Other Topics; Physics
GA BMF51
UT WOS:000272170200003
ER
PT B
AU Nilson, RH
Griffiths, SK
AF Nilson, Robert H.
Griffiths, Stewart K.
BE Laudon, M
Romanowicz, B
TI Optimizing Multiscale Networks for Transient Transport in Nanoporous
Materials
SO NSTI NANOTECH 2008, VOL 3, TECHNICAL PROCEEDINGS
LA English
DT Proceedings Paper
CT Nanotechnology Conference and Trade Show (Nanotech 2008)
CY JUN 01-05, 2008
CL Boston, MA
SP Accelrys Software, Ace Glass, Advance Reprod Corp, Adv Mat Technologies Pte Ltd, Agilent Technologies, AIXTRON AG, AJA Int, ALM, Amuneal Mfg Corp, ANSYS, Anton Paar USA, Appl MicroStruct, Appl Surface Technologies, Arkalon Chem Technologies, LLC, Arkema Grp, Artech House Publishers, Asemblon, ASML, Asylum Res, AZoNano, Banner & Witcoff, Beckman Coulter, Bio Nano Counsulting, BioForce Nanosci, Boneer Corp, Birck Nanotechnol Ctr, Purdue Univ, Discovery Pk, Brookhaven Instruments Corp, Buchanan Ingersoll & Rooney PC, Buhler AG, Business Week, Calif NanoSyst Inst, Capovani Brothers, Los Alamos, Ctr Integrated Nanotechnologies, Sandia Natl Labs, Ctr Integrated Nanotechnologies, Oak Ridge Natl Lab, Ctr Nanophase Mat Sci, Argonne Natl Lab, Ctr Nanoscale Mat, Cheap tubes, Clean Technol & Sustainable Ind Org, COMSOL, Cooley Godward Kronish LLP, Core Technol Grp, CRESTEC Corp, CSEM, CVI Melles Griot, Dept Innovat, Ind, Sci & Res, Digital Matirx, Draiswerke, ETH Zurich, Eulitha AG, Marks & Clerk, Marubent Techno Syst Corp, Massachusetts Technol Transfer Ctr, Mat Res Soc, Merck & Co, Microfluidics, Micromerit Instrument Corp, Microtrac, MINAT 2008, Messe Stuttgart, Minus K Technol, Misonix, Lawrence Berkeley Natl Lab, Mol Foundry, Motorola, Nano Korea 2008, Nano Sci & Technol Inst`, nano tech 2009 Japan, Nano Technol Res Assoc Korea, NanoAndMore USA, NanoDynamics, NanoEurope 2008, NanoInk, Nanomotion, Nanon Imaging Ltd, NANOSENSORS, Nanosyst Initiat Munich, Nanotech No Europe 2008, nano Tox, Nano World AG`, NCI, Natl Inst Stand & Technol, NIH, Natl Nanomfg Network, Natl Nanotechnol Infrastruct, GATech, Microelect Res Ctr, Nat Nano, Nat Publishing Grp, NETZSCH Fine Particle Technol LLC, NIL Technol ApS, Novomer, NTT Adv Technol Corp, Olympus Ind Amer, OSEC, Business Network Switzerland, Oxford Instruments, Particle Technol Labs, Penn State Univ, Photon Spectra, Physik Instrumente LP, picoDrill SA, Piezo Inst, PVD Prod, Q Sense, Quantum Analyt, Raith USA, European Patent Off, Evans Analyt Grp, EXAKT Technologies, First Nano, Flow Sci, FDA, Goodwin Procter LLP, Greater Houston Partnership, Greenberg Traurig LLP, Halcyonics, Headwaters Technol Innovat LLC, Heidelberg Instruments, Hielscher USA, HighNano Analyti, Hiscock & Barclay LLP, Hitachi High Technologies Amr, Hochschule Offenburg Univ Appl Sci, HOCKMEYER Equipment Corp, HORIBA Jobin Yvon, IBU tec adv mat GmbH, IDA Ireland, ImageXpert, Inspec, Inc, IEEE, Inst Nanoscale & Quantum Sci & Technol Adv Res, IntelliSense Software Corp, Invest Germany, IOP Publishing, Italian Trade Commiss, JENOPTIK, Justus Liebig Univ, KAUST, Keithley Instruments, Kelvin Nanotechnol Ltd, Kodak, Kotobuki Ind Co, Ltd, Lake Shore Cryotron, MACRO M, NanoClay, Res Germany Land Ideas, RKS Legal Solut LLC, Dandia Natl Labs, Scottish Enterprise, SEMTech Solut, Serendip, Silvix Corp, SNS Nano Fiber Technol LLC, SoftMEMS LLC, Son & Mat, SW Nano Technologies, Specialty Coating Syst, Spectrum Labs, SPEX SamplePrep LLC, Springer, Sterne, Kessler, Goldstein & Fox PLLC, Strem Chem, Sukgyung A T Co, Lts, Surrey NanoSyst, SUSS MicroTec, Swissnanotech Pavilion, Taylor & Francis Grp LLC, CRC Press, TechConnect, Technovel Corp, Tekna Plasma Syst, Thinky Corp, Thomas Swan & Co Ltd, UGL Unicco, UK Trade & Investment, UniJet, Univ Muenster, Univ Appl Sci, Univ Duisburg, Ctr Nanointegrat Duisburg, Vecco Instruments, Wasatch Mol Inc, Weidmann Plast Technol, Whiteman Osterman & Hanna LLP, Willy A Bachofen AG, WITec GmbH, World Gold Council
DE nanoporous materials; hierarchical; network optimization; nanofluidics;
nanoscale transport
AB Hierarchical nanoporous materials afford the opportunity to combine the high surface area and functionality of nanopores with the superior charge/discharge characteristics of wider transport channels. In the present paper we optimize the apertures and spacing of a family of transport channels providing access to a surrounding nanoporous matrix during recharge/discharge cycles of materials intended for storage of gas or electric charge. A diffusive transport model is used to describe alternative processes of viscous gas flow, Knudsen gas flow, and ion diffusion. The coupled transport equations for the nanoporous matrix and transport channels are linearized and solved analytically for a periodic variation in external gas pressure or ion density using a separation-of-variables approach in the complex domain. Channel apertures and spacing are optimized to achieve maximum inflow/outflow from the functional matrix material for a fixed system volume.
C1 [Nilson, Robert H.; Griffiths, Stewart K.] Sandia Natl Labs, Phys & Engn Sci Ctr, Livermore, CA 92007 USA.
RP Nilson, RH (reprint author), Sandia Natl Labs, Phys & Engn Sci Ctr, POB 969, Livermore, CA 92007 USA.
EM rhnilso@sandia.gov; skgriff@sandia.gov
NR 3
TC 0
Z9 0
U1 1
U2 1
PU CRC PRESS-TAYLOR & FRANCIS GROUP
PI BOCA RATON
PA 6000 BROKEN SOUND PARKWAY NW, STE 300, BOCA RATON, FL 33487-2742 USA
BN 978-1-4200-8505-1
PY 2008
BP 257
EP 260
PG 4
WC Chemistry, Multidisciplinary; Engineering, Biomedical; Engineering,
Electrical & Electronic; Nanoscience & Nanotechnology; Physics, Applied
SC Chemistry; Engineering; Science & Technology - Other Topics; Physics
GA BMF51
UT WOS:000272170200068
ER
PT J
AU Burrows, TW
AF Burrows, T. W.
TI Nuclear Data Sheets for A=45
SO NUCLEAR DATA SHEETS
LA English
DT Review
ID HIGH-SPIN STATES; LOW-LYING LEVELS; EVEN CALCIUM ISOTOPES; N=28 SHELL
CLOSURE; INELASTIC PROTON-SCATTERING; POSITIVE-PARITY STATES; RECOIL
FILTER DETECTOR; GIANT-DIPOLE-RESONANCE; HIGH ANGULAR-MOMENTUM; LIGHT
F(7/2) NUCLEI
AB The Interim Evaluations for A=45 based on the 1992 Nuclear Data Sheets Update for A=45 (1992Bu01, literature cutoff date of November 27, 1991) have been revised using experimental decay and reaction data received by October 30, 2007.
C1 Brookhaven Natl Lab, Natl Nucl Data Ctr, Upton, NY 11973 USA.
RP Burrows, TW (reprint author), Brookhaven Natl Lab, Natl Nucl Data Ctr, Upton, NY 11973 USA.
EM burrows@bnl.gov
NR 255
TC 11
Z9 11
U1 1
U2 4
PU ACADEMIC PRESS INC ELSEVIER SCIENCE
PI SAN DIEGO
PA 525 B ST, STE 1900, SAN DIEGO, CA 92101-4495 USA
SN 0090-3752
J9 NUCL DATA SHEETS
JI Nucl. Data Sheets
PD JAN
PY 2008
VL 109
IS 1
BP 171
EP +
DI 10.1016/j.nds.2007.12.002
PG 124
WC Physics, Nuclear
SC Physics
GA 260OY
UT WOS:000253020800003
ER
PT J
AU Popov, E
Yoder, G
AF Popov, Emilian
Yoder, Graydon
TI IRIS pressurizer fluid dynamics and heat transfer analyses
SO NUCLEAR ENGINEERING AND DESIGN
LA English
DT Article
AB A CFD study of the IRIS Internal Pressurizer has been carried out in frame of a NERI project on Internal Pressurizer Characteristics to determine the heat transfer conditions between the pressurizer and primary circuit. FLUENT computer code has been used and a simplified two-phase model has been employed. Results are applicable for designing the pressurizer internal structures and components. (C) 2007 Elsevier B.V. All rights reserved.
C1 [Popov, Emilian; Yoder, Graydon] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
RP Popov, E (reprint author), Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
EM popove@ornl.gov
NR 7
TC 3
Z9 3
U1 1
U2 5
PU ELSEVIER SCIENCE SA
PI LAUSANNE
PA PO BOX 564, 1001 LAUSANNE, SWITZERLAND
SN 0029-5493
J9 NUCL ENG DES
JI Nucl. Eng. Des.
PD JAN
PY 2008
VL 238
IS 1
BP 81
EP 89
DI 10.1016/j.nucengdes.2007.05.006
PG 9
WC Nuclear Science & Technology
SC Nuclear Science & Technology
GA 269QD
UT WOS:000253663100011
ER
PT J
AU Skubal, LR
Chojnowski, DB
Ziegler, R
AF Skubal, Laura R.
Chojnowski, David B.
Ziegler, Raymond
TI Analysis and prevention of corrosion in T-o chopper systems
SO NUCLEAR ENGINEERING AND DESIGN
LA English
DT Article
AB T-o neutron choppers at Oak Ridge National Laboratory's Spallation Neutron Source will stop prompt pulses of high-energy neutrons outside the target moderator. Choppers are cooled internally by recirculated distilled water maintained at 15 degrees C. Numerous metallic components are used to fabricate the choppers and cooling system; water contacts many of these components, establishing a corrosion cell. T. chopper system corrosion products were investigated analytically. Results showed elevated concentrations of soluble and precipitated iron and copper in cooling water. A chemical-based corrosion strategy was implemented in a T. chopper system during mechanical tests not involving system irradiation. Chemical analyses showed that a chemical corrosion inhibitor stopped system corrosion for 6 months after its introduction. Corrosion cessation was beneficial, as mechanical tests were performed without interruption from precipitate wear on mechanical parts, flowmeter blockage, or a decrease in heat transfer capabilities. Aqueous chemical changes occurring in the cooling system upon inhibitor addition are discussed. Published by Elsevier B.V.
C1 [Skubal, Laura R.; Ziegler, Raymond] Argonne Natl Lab, Argonne, IL 60439 USA.
[Chojnowski, David B.] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
RP Skubal, LR (reprint author), Argonne Natl Lab, 9700 S Cass Ave, Argonne, IL 60439 USA.
EM l@anl.gov
NR 10
TC 0
Z9 0
U1 0
U2 2
PU ELSEVIER SCIENCE SA
PI LAUSANNE
PA PO BOX 564, 1001 LAUSANNE, SWITZERLAND
SN 0029-5493
J9 NUCL ENG DES
JI Nucl. Eng. Des.
PD JAN
PY 2008
VL 238
IS 1
BP 130
EP 134
DI 10.1016/j.nucengdes.2007.05.007
PG 5
WC Nuclear Science & Technology
SC Nuclear Science & Technology
GA 269QD
UT WOS:000253663100016
ER
PT J
AU Anderson, N
Hassan, Y
Schultz, R
AF Anderson, Nolan
Hassan, Yassin
Schultz, Richard
TI Analysis of the hot gas flow in the outlet plenum of the very high
temperature reactor using coupled RELAP5-3D system code and a CFD code
SO NUCLEAR ENGINEERING AND DESIGN
LA English
DT Article
AB The very high temperature reactor (VHTR) system behavior should be predicted during normal operating conditions and postulated accident conditions. The plant accident scenario and the passive safety behavior should be accurately predicted. Uncertainties in passive safety behavior could have large effects on the resulting system characteristics. Due to these performance issues in the VHTR, there is a need for development, testing and validation of design tools to demonstrate the feasibility of the design concepts and guide the improvement of the plant components. One of the identified design issues for the gas-cooled reactor is the thermal mixing of the coolant exiting the core into the outlet plenum. Incomplete thermal mixing may give rise to thermal stresses in the downstream components. To provide flow details, the analysis presented in this paper was performed by coupling a VHTR model generated in a thermal hydraulic systems code to a computational fluid dynamics (CFD) outlet plenum model. The outlet conditions obtained from the systems code VHTR model provide the inlet boundary conditions to the CFD outlet plenum model. By coupling the two codes in this manner, the important three-dimensional flow effects in the outlet plenum are well modeled while avoiding modeling the entire reactor with a computationally expensive CFD code. The values of pressure, mass flow rate and temperature across the coupled boundary showed differences of less than 5% in every location except for one channel. The coupling auxiliary program used in this analysis can be applied to many different cases requiring detailed three-dimensional modeling in a small portion of the domain. Published by Elsevier B.V.
C1 [Schultz, Richard] Idaho Natl Lab, Idaho Falls, ID 83415 USA.
[Anderson, Nolan; Hassan, Yassin] Texas A&M Univ, Dept Nucl Engn, College Stn, TX 77843 USA.
RP Anderson, N (reprint author), Idaho Natl Lab, Idaho Falls, ID 83415 USA.
EM Nolan.Anderson@inl.gov
RI HASSAN, Yassin/J-7941-2012
NR 11
TC 10
Z9 12
U1 0
U2 3
PU ELSEVIER SCIENCE SA
PI LAUSANNE
PA PO BOX 564, 1001 LAUSANNE, SWITZERLAND
SN 0029-5493
J9 NUCL ENG DES
JI Nucl. Eng. Des.
PD JAN
PY 2008
VL 238
IS 1
BP 274
EP 279
DI 10.1016/j.nucengdes.2007.06.008
PG 6
WC Nuclear Science & Technology
SC Nuclear Science & Technology
GA 269QD
UT WOS:000253663100029
ER
PT J
AU Girard, JP
Gulden, W
Kolbasov, B
Louzeiro-Malaquias, AJ
Petti, D
Rodriguez-Rodrigo, L
AF Girard, J. Ph.
Gulden, W.
Kolbasov, B.
Louzeiro-Malaquias, A. -J.
Petti, D.
Rodriguez-Rodrigo, L.
TI Summary of the 8th IAEA technical meeting on fusion power plant safety
SO NUCLEAR FUSION
LA English
DT Article; Proceedings Paper
CT 8th IAEA Technical Meeting on Fusion Power Plant Safety
CY JUL 10-13, 2006
CL Vienna, AUSTRIA
SP IAEA
ID TEST BLANKET MODULE; ITER; SYSTEM
AB Reports were presented covering a selection of topics on the safety of fusion power plants. These included a review on licensing studies developed for ITER site preparation surveying common and non-common issues (i.e. site dependent) as lessons to a broader approach for fusion power plant safety. Several fusion power plant models, spanning from accessible technology to more advanced-materials based concepts, were discussed. On the topic related to fusion-specific technology, safety studies were reported on different concepts of breeding blanket modules, tritium handling and auxiliary systems under normal and accident scenarios' operation. The testing of power plant relevant technology in ITER was also assessed in terms of normal operation and accident scenarios, and occupational doses and radioactive releases under these testings have been determined. Other specific safety issues for fusion have also been discussed such as availability and reliability of fusion power plants, dust and tritium inventories and component failure databases. This study reveals that the environmental impact of fusion power plants can be minimized through a proper selection of low activation materials and using recycling technology helping to reduce waste volume and potentially open the route for its reutilization for the nuclear sector or even its clearance into the commercial circuit. Computational codes for fusion safety have been :presented in support of the many studies reported. The on-going work on establishing validation approaches aiming at improving the prediction capability of fusion codes has been supported by experimental results and new directions for development have been identified. Fusion standards are not available and fission experience is mostly used as the framework basis for licensing and target design for safe operation and occupational and environmental constraints. It has been argued that fusion can benefit if a specific fusion approach is implemented, in particular for materials selection which will have a large impact on waste disposal and recycling and in the real limits of radiation releases if indexed to the real impact on individuals and the environment given the differences in the types of radiation emitted by tritium when compared with the fission products. Round table sessions resulted in some common recommendations. The discussions also created the awareness of the need for a larger involvement of the IAEA in support of fusion safety standards development.
C1 [Girard, J. Ph.] Int Thermonucl Expt Reactor ITER Safety Environm, St Paul Les Durance, France.
[Gulden, W.] EFDA, CSU, Garching, Germany.
[Kolbasov, B.] Kurchatov Inst, Nucl Fus Inst, Moscow, Russia.
[Louzeiro-Malaquias, A. -J.] IAEA, A-1400 Vienna, Austria.
[Petti, D.] Idaho Natl Lab, Idaho Falls, ID 83415 USA.
[Rodriguez-Rodrigo, L.] CIEMAT, EURATOM Assoc, EFDA CSU Barcelona, Barcelona, Spain.
RP Girard, JP (reprint author), Int Thermonucl Expt Reactor ITER Safety Environm, ITER Cadarache Joint Work Site, St Paul Les Durance, France.
RI Malaquias, Artur/L-7956-2013
OI Malaquias, Artur/0000-0003-2688-1160
NR 23
TC 5
Z9 5
U1 0
U2 7
PU INT ATOMIC ENERGY AGENCY
PI VIENNA
PA WAGRAMERSTRASSE 5, PO BOX 100, A-1400 VIENNA, AUSTRIA
SN 0029-5515
J9 NUCL FUSION
JI Nucl. Fusion
PD JAN
PY 2008
VL 48
IS 1
AR 015008
DI 10.1088/0029-55t5/48/1/015008
PG 7
WC Physics, Fluids & Plasmas
SC Physics
GA 267BC
UT WOS:000253482200009
ER
PT J
AU Jayakumar, RJ
Austin, MA
Greenfield, CM
Hawkes, NC
Kinsey, JE
Lao, LL
Parks, PB
Solano, ER
Taylor, TS
AF Jayakumar, R. J.
Austin, M. A.
Greenfield, C. M.
Hawkes, N. C.
Kinsey, J. E.
Lao, L. L.
Parks, P. B.
Solano, E. R.
Taylor, T. S.
TI Formation, sustainment and characteristics of current hole plasmas in
DIII-D discharges
SO NUCLEAR FUSION
LA English
DT Article
ID TOKAMAK PLASMAS; CURRENT DRIVE; BOOTSTRAP CURRENT; TRANSPORT; JET;
EQUILIBRIA; PERFORMANCE; STABILITY; PROFILES; PARTICLE
AB Plasmas with zero or near-zero current density in a wide region of the core have been produced in DIII-D discharges. The discharges were obtained with early neutral beam and electron cyclotron heating (ECH) during the plasma current ramp. Wide current holes (CHs) with a near-zero field over about 23% of the plasma width and narrow CHs with a duration of up to 1.1 s (comparable to the current relaxation time) have been obtained. Equilibria and pressure profiles were obtained by including kinetic and motional Stark effect (MSE) data using the code TRANSP. Agreement between calculated and measured neutron fluxes is obtained only when the fast-ion diffusion coefficient is set to very high values which results in considerable fast-ion redistribution and a broadened pressure profile. The MSE-only equilibrium fits are in good agreement with such kinetic fits. While CHs collapse due to tearing modes, bursty MHD activity coherent with electron temperature relaxation events is observed when the CHs are sustained. Some collapse events also appear to be coincident with edge localized modes. The CH phase seems to have been limited by the no-wall beta limit. In the present set of discharges, wider CHs (steeper temperature gradients) appear to collapse at somewhat lower beta. Tearing modes are seen to cause shrinking of the CH. While early electron heating is strongly dependent on the timing and power of the neutral beam and by the ECH power, it is seen that larger neutral beam powers are correlated with wider CHs which do not decay significantly. An extensive and perhaps difficult analysis of current transport is required to check whether a neoclassical poloidal flux evolution (diffusive EMF) is either consistent with a stationary current profile or that an additional or anomalous EMF is present.
C1 [Jayakumar, R. J.] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
[Austin, M. A.] Univ Texas Austin, Austin, TX 78712 USA.
[Greenfield, C. M.; Lao, L. L.; Parks, P. B.; Taylor, T. S.] Gen Atom Co, San Diego, CA 92186 USA.
[Hawkes, N. C.] Jet Joint Undertaking, Abingdon OX14 3EA, Oxon, England.
[Kinsey, J. E.] Lehigh Univ, Bethlehem, PA 18015 USA.
[Solano, E. R.] CIEMAT Para Fus, EURATOM Assoc, Madrid 28008, Spain.
RP Jayakumar, RJ (reprint author), Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
RI Solano, Emilia/A-1212-2009
OI Solano, Emilia/0000-0002-4815-3407
NR 40
TC 4
Z9 4
U1 0
U2 2
PU IOP PUBLISHING LTD
PI BRISTOL
PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND
SN 0029-5515
EI 1741-4326
J9 NUCL FUSION
JI Nucl. Fusion
PD JAN
PY 2008
VL 48
IS 1
AR 015004
DI 10.1088/0029-5515/48/1/015004
PG 15
WC Physics, Fluids & Plasmas
SC Physics
GA 267BC
UT WOS:000253482200005
ER
PT J
AU Abolins, M
Adams, M
Adams, T
Aguilo, E
Anderson, J
Bagby, L
Ban, J
Barberis, E
Beale, S
Benitez, J
Biehl, J
Bowden, M
Brock, R
Bystricky, J
Cwiok, M
Calvet, D
Cihangir, S
Edmunds, D
Evans, H
Fantasia, C
Foglesong, J
Green, J
Johnson, C
Kehoe, R
Lammers, S
Laurens, P
Le Du, P
Mangeard, PS
Mitrevski, J
Mulhearn, M
Mur, M
Naimuddin, M
Parsons, J
Pawloski, G
Perez, E
Renkel, P
Roe, A
Sippach, W
Stone, A
Taylor, W
Unalan, R
Varelas, N
Verzocchi, M
Weerts, H
Wood, DR
Zhang, L
Zmuda, T
AF Abolins, M.
Adams, M.
Adams, T.
Aguilo, E.
Anderson, J.
Bagby, L.
Ban, J.
Barberis, E.
Beale, S.
Benitez, J.
Biehl, J.
Bowden, M.
Brock, R.
Bystricky, J.
Cwiok, M.
Calvet, D.
Cihangir, S.
Edmunds, D.
Evans, H.
Fantasia, C.
Foglesong, J.
Green, J.
Johnson, C.
Kehoe, R.
Lammers, S.
Laurens, P.
Le Du, P.
Mangeard, P. S.
Mitrevski, J.
Mulhearn, M.
Mur, M.
Naimuddin, Md.
Parsons, J.
Pawloski, G.
Perez, E.
Renkel, P.
Roe, A.
Sippach, W.
Stone, A.
Taylor, W.
Unalan, R.
Varelas, N.
Verzocchi, M.
Weerts, H.
Wood, D. R.
Zhang, L.
Zmuda, T.
TI Design and implementation of the new D0 level-1 calorimeter trigger
SO NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS
SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
LA English
DT Article
DE fermilab; DZero; D0; trigger; calorimeter
ID DETECTOR
AB Increasing luminosity at the Fermilab Tevatron collider has led the D0 collaboration to make improvements to its detector beyond those already in place for Run IIa, which began in March 2001. One of the cornerstones of this Run IIb upgrade is a completely redesigned level-1 calorimeter trigger system. The new system employs novel architecture and algorithms to retain high efficiency for interesting events while substantially increasing rejection of background. We describe the design and implementation of the new level-1 calorimeter trigger hardware and discuss its performance during Run IIb data taking. In addition to strengthening the physics capabilities of D0, this trigger system will provide valuable insight into the operation of analogous devices to be used at LHC experiments. (c) 2007 Elsevier B.V. All rights reserved.
C1 [Evans, H.; Mangeard, P. S.] Indiana Univ, Bloomington, IN 47405 USA.
[Johnson, C.; Lammers, S.; Mitrevski, J.; Mulhearn, M.; Parsons, J.; Sippach, W.; Zhang, L.] Columbia Univ, New York, NY 10027 USA.
[Bystricky, J.; Calvet, D.; Le Du, P.; Mur, M.; Perez, E.] CEA, DAPNIA Serv Phys Particules, Saclay, France.
[Naimuddin, Md.] Univ Delhi, Delhi 110007, India.
[Anderson, J.; Bagby, L.; Bowden, M.; Cihangir, S.; Foglesong, J.; Green, J.; Verzocchi, M.; Zmuda, T.] Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA.
[Adams, T.] Florida State Univ, Tallahassee, FL 32306 USA.
[Abolins, M.; Benitez, J.; Biehl, J.; Brock, R.; Edmunds, D.; Laurens, P.; Unalan, R.; Weerts, H.] Michigan State Univ, E Lansing, MI 48824 USA.
[Barberis, E.; Fantasia, C.; Roe, A.; Wood, D. R.] Northeastern Univ, Boston, MA 02215 USA.
[Pawloski, G.] Rice Univ, Houston, TX 77005 USA.
[Kehoe, R.; Renkel, P.] So Methodist Univ, Dallas, TX 75275 USA.
[Cwiok, M.] Univ Coll Dublin, Dublin 2, Ireland.
[Aguilo, E.] Univ Alberta, Edmonton, AB, Canada.
[Adams, M.; Stone, A.; Varelas, N.] Univ Illinois, Chicago, IL 60607 USA.
[Aguilo, E.; Beale, S.; Taylor, W.] York Univ, Toronto, ON M3J 2R7, Canada.
RP Evans, H (reprint author), Indiana Univ, Bloomington, IN 47405 USA.
EM hgevans@indiana.edu
OI Evans, Harold/0000-0003-2183-3127
NR 24
TC 87
Z9 87
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 JAN 1
PY 2008
VL 584
IS 1
BP 75
EP 97
DI 10.1016/j.nima.2007.10.014
PG 23
WC Instruments & Instrumentation; Nuclear Science & Technology; Physics,
Nuclear; Physics, Particles & Fields
SC Instruments & Instrumentation; Nuclear Science & Technology; Physics
GA 254AQ
UT WOS:000252559100006
ER
PT J
AU Obreshkov, E
Albrand, S
Collot, J
Fulachier, J
Lambert, F
Adam-Bourdarios, C
Arnault, C
Garonne, V
Rousseau, D
Schaffer, A
von der Schmitt, H
De Salvo, A
Kabachenko, V
Ren, Z
Qing, D
Nzuobontane, E
Sherwood, P
Simmons, B
George, S
Rybkine, G
Lloyd, S
Undrus, A
Youssef, S
Quarrie, D
Hansl-Kozanecka, T
Luehring, F
Moyse, E
Goldfarb, S
AF Obreshkov, E.
Albrand, S.
Collot, J.
Fulachier, J.
Lambert, F.
Adam-Bourdarios, C.
Arnault, C.
Garonne, V.
Rousseau, D.
Schaffer, A.
von der Schmitt, H.
De Salvo, A.
Kabachenko, V.
Ren, Z.
Qing, Di
Nzuobontane, E.
Sherwood, P.
Simmons, B.
George, S.
Rybkine, G.
Lloyd, S.
Undrus, A.
Youssef, S.
Quarrie, D.
Hansl-Kozanecka, T.
Luehring, F.
Moyse, E.
Goldfarb, S.
TI Organization and management of ATLAS offline software releases
SO NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS
SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
LA English
DT Article
DE software management; release management; software verification;
distribution; documentation
AB ATLAS is one of the largest collaborations ever undertaken in the physical sciences. This paper explains how the software infrastructure is organized to manage collaborative code development by around 300 developers with varying degrees of expertise and situated in 30 different countries. ATLAS offline software currently consists of about 2 million source lines of code contained in 6800 C ++ classes, organized in more than 1000 packages. We will describe how releases of the offline ATLAS software are built, validated and subsequently deployed to remote sites. Several software management tools have been used, the majority of which are not ATLAS specific; we will show how they have been integrated. (c) 2007 Elsevier B.V. All rights reserved.
C1 [Hansl-Kozanecka, T.] CEA, DAPNIA, Gif Sur Yvette, France.
[Obreshkov, E.] Bulgarian Acad Sci, INRNE, BG-1040 Sofia, Bulgaria.
[Albrand, S.; Collot, J.; Fulachier, J.; Lambert, F.] CNRS, IN2P3, LPSC, Grenoble, France.
[Adam-Bourdarios, C.; Arnault, C.; Garonne, V.; Rousseau, D.; Schaffer, A.] Univ Paris 11, CNRS, IN2P3, LAL, F-91405 Orsay, France.
[von der Schmitt, H.] Max Planck Inst Phys & Astrophys, D-80805 Munich, Germany.
[De Salvo, A.] Ist Nazl Fis Nucl, Rome 1, Italy.
[Kabachenko, V.] Inst High Energy Phys, Protvino, Russia.
[Ren, Z.; Qing, Di] Acad Sinica, Inst Phys, Taipei, Taiwan.
[Nzuobontane, E.; Sherwood, P.; Simmons, B.] UCL, London, England.
[George, S.; Rybkine, G.] Royal Holloway Univ London, London, England.
[Lloyd, S.] Queen Mary Univ London, London, England.
[Undrus, A.] BNL, Upton, NY USA.
[Youssef, S.] Boston Univ, Boston, MA 02215 USA.
[Quarrie, D.] Univ Calif Berkeley, Canc Res Lab, Berkeley, CA 94720 USA.
[Hansl-Kozanecka, T.] Univ Calif Santa Cruz, Santa Cruz, CA 95064 USA.
[Luehring, F.] Indiana Univ, Bloomington, IN 47405 USA.
[Moyse, E.] Univ Massachusetts, Amherst, MA 01003 USA.
[Goldfarb, S.] Univ Michigan, Ann Arbor, MI 48109 USA.
RP Hansl-Kozanecka, T (reprint author), CEA, DAPNIA, Gif Sur Yvette, France.
EM Traudl.Hansl-Kozanecki@cern.ch
NR 1
TC 18
Z9 18
U1 2
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 JAN 1
PY 2008
VL 584
IS 1
BP 244
EP 251
DI 10.1016/j.nima.2007.10.002
PG 8
WC Instruments & Instrumentation; Nuclear Science & Technology; Physics,
Nuclear; Physics, Particles & Fields
SC Instruments & Instrumentation; Nuclear Science & Technology; Physics
GA 254AQ
UT WOS:000252559100022
ER
PT J
AU Andersen, HH
Breese, M
Rehn, L
Trautmann, C
Vickridge, I
AF Andersen, Hans Henrik
Breese, Mark
Rehn, Lynn
Trautmann, Christina
Vickridge, Ian
TI NIMB Editorial for 2008
SO NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM
INTERACTIONS WITH MATERIALS AND ATOMS
LA English
DT Editorial Material
C1 [Andersen, Hans Henrik] Niels Bohr Inst, DK-2100 Copenhagen O, Denmark.
[Breese, Mark] Natl Univ Singapore, Dept Phys, Singapore 117542, Singapore.
[Rehn, Lynn] Argonne Natl Lab, Div Mat Sci, Argonne, IL 60439 USA.
[Trautmann, Christina] Mat Forsch, Gesell Schwerionenforsch, D-64291 Darmstadt, Germany.
[Vickridge, Ian] Univ Paris 06, CNRS, UMR 7588, Inst NanoSci Paris, Paris, France.
RP Andersen, HH (reprint author), Niels Bohr Inst, Blegdamsvej 17, DK-2100 Copenhagen O, Denmark.
EM nimb@fys.ku.dk; phymbhb@nus.edu.sg; rchn@anl.gov; nimb@gsi.de;
nimb@insp.jussieu.fr
RI Vickridge, Ian/E-4266-2010
NR 0
TC 0
Z9 0
U1 0
U2 5
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 JAN
PY 2008
VL 266
IS 1
BP 1
EP 1
DI 10.1016/j.nimb.2007.11.032
PG 1
WC Instruments & Instrumentation; Nuclear Science & Technology; Physics,
Atomic, Molecular & Chemical; Physics, Nuclear
SC Instruments & Instrumentation; Nuclear Science & Technology; Physics
GA 261LN
UT WOS:000253080300001
ER
PT J
AU Nakao, N
Taniguchi, S
Roesler, S
Brugger, M
Hagiwara, M
Vincke, H
Khater, H
Prinz, AA
Rokni, SH
Kosako, K
AF Nakao, N.
Taniguchi, S.
Roesler, S.
Brugger, M.
Hagiwara, M.
Vincke, H.
Khater, H.
Prinz, A. A.
Rokni, S. H.
Kosako, K.
TI Measurement and calculation of high-energy neutron spectra behind
shielding at the CERF 120 GeV/c hadron beam facility
SO NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM
INTERACTIONS WITH MATERIALS AND ATOMS
LA English
DT Article
DE neutron energy spectra; concrete shield; iron shield; accelerator; CERF;
hadron beam; NE213; scintillator; unfolding; response function;
benchmark; Monte Carlo; FLUKA; MARS; PHITS
ID ORGANIC LIQUID SCINTILLATOR; 68-MEV PROTONS; TRANSMISSION; 43-MEV; RANGE
AB Neutron energy spectra were measured behind the lateral shield of the CERF (CERN-EU High Energy Reference Field) facility at CERN with a 120 GeV/c positive hadron beam (a mixture of mainly protons and pions) on a cylindrical copper target (7-cm diameter by 50-cm long). An NE213 organic liquid scintillator (12.7-cm diameter by 12.7-cm long) was located at various longitudinal positions behind shields of 80- and 160-cm thick concrete and 40-cm thick iron. The measurement locations cover an angular range with respect to the beam axis between 13 and 133 degrees. Neutron energy spectra in the energy range between 32 MeV and 380 MeV were obtained by unfolding the measured pulse height spectra with the detector response functions which have been verified in the neutron energy range up to 380 MeV in separate experiments. Since the source term and experimental geometry in this experiment are well characterized and simple and results are given in the form of energy spectra, these experimental results are very useful as benchmark data to check the accuracies of simulation codes and nuclear data.
Monte Carlo simulations of the experimental set up were performed with the FLUKA, MARS and PHITS codes. Simulated spectra for the 80-cm thick concrete often agree within the experimental uncertainties. On the other hand, for the 160-cm thick concrete and iron shield differences are generally larger than the experimental uncertainties, yet within a factor of 2. Based on source term simulations, observed discrepancies among simulations of spectra outside the shield can be partially explained by differences in the high-energy hadron production in the copper target. (C) 2007 Elsevier B.V. All rights reserved.
C1 [Nakao, N.; Vincke, H.; Khater, H.; Prinz, A. A.; Rokni, S. H.] Stanford Linear Accelerator Ctr, Stanford, CA 94309 USA.
[Roesler, S.; Brugger, M.] CERN, CH-1211 Geneva 23, Switzerland.
[Hagiwara, M.] Tohoku Univ, CYRIC, Sendai, Miyagi 9808579, Japan.
[Kosako, K.] Shimizu Corp, Tokyo 135, Japan.
RP Nakao, N (reprint author), Stanford Linear Accelerator Ctr, Stanford, CA 94309 USA.
EM nakao@fnal.gov
NR 21
TC 3
Z9 3
U1 1
U2 2
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 JAN
PY 2008
VL 266
IS 1
BP 93
EP 106
DI 10.1016/j.nimb.2007.09.043
PG 14
WC Instruments & Instrumentation; Nuclear Science & Technology; Physics,
Atomic, Molecular & Chemical; Physics, Nuclear
SC Instruments & Instrumentation; Nuclear Science & Technology; Physics
GA 261LN
UT WOS:000253080300016
ER
PT J
AU Tuchin, K
AF Tuchin, Kirill
TI Forward hadron production in high energy pA collisions: From RHIC to LHC
SO NUCLEAR PHYSICS A
LA English
DT Article
ID COLOR GLASS CONDENSATE; HEAVY-QUARK PRODUCTION; SMALL-X; BFKL POMERON;
NONLINEAR EVOLUTION; PARTON SATURATION; NUCLEI; REGION; QCD; SCATTERING
AB We present a calculation of inclusive pi, D and B mesons production at RHIC and LHC energies based upon the KKT model of gluon saturation. We discuss dependence of the nuclear modification factor on rapidity, centrality and transverse momentum. (c) 2007 Elsevier B.V. All rights reserved.
C1 [Tuchin, Kirill] Iowa State Univ, Dept Phys & Astron, Ames, IA 50011 USA.
[Tuchin, Kirill] RIKEN, Brookhaven Natl Lab, Res Ctr, Upton, NY 11973 USA.
RP Tuchin, K (reprint author), Iowa State Univ, Dept Phys & Astron, Ames, IA 50011 USA.
EM tuchin@iastate.edu
NR 49
TC 25
Z9 25
U1 0
U2 0
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0375-9474
J9 NUCL PHYS A
JI Nucl. Phys. A
PD JAN 1
PY 2008
VL 798
IS 1-2
BP 61
EP 73
DI 10.1016/j.nuclphysa.2007.10.008
PG 13
WC Physics, Nuclear
SC Physics
GA 257ZA
UT WOS:000252837000004
ER
PT S
AU Bonatsos, D
McCutchan, EA
Casten, RF
AF Bonatsos, Dennis
McCutchan, E. A.
Casten, R. F.
BE Boztosun, I
Balantekin, AB
TI 0(+) states in the large boson number limit of the Interacting Boson
Approximation model
SO NUCLEAR PHYSICS AND ASTROPHYSICS
SE AIP Conference Proceedings
LA English
DT Proceedings Paper
CT Conference on Nuclear Physic and Astrophysics - From Stable Beams to
Exotic Nucle
CY JUN 25-30, 2008
CL Cappadocia, TURKEY
SP Erciyes Univ, Bozok Univ, Nigde Univ, Istanbul Univ, Turish Atom Energy Author, Turish Acad Sci, Sci & Technol Res Council Turkey, Univ Wisconsin
DE Interacting Boson Approximation model; geometric collective model;
shape/phase transitions; order parameter
ID CRITICAL-POINT SYMMETRY; PHASE-TRANSITIONS; NUCLEI; REGION; X(5)
AB Studies of the Interacting Boson Approximation (IBA) model for large boson numbers have been triggered by the discovery of shape/phase transitions between different limiting symmetries of the model. These transitions become sharper in the large boson number limit, revealing previously unnoticed regularities; which also survive to a large extent for finite boson numbers, corresponding to valence nucleon pairs in collective nuclei. It is shown that energies of 0(n)(+) states grow linearly with their ordinal number n in all three limiting symmetries of IBA [U(5), SU(3), and O(6)]. Furthermore, it is proved that the narrow transition region separating the symmetry triangle of the IBA into a spherical and a deformed region is described quite well by the degeneracies E(0(2)(+)) = E(6(1)(+)), E(0(3)(+)) = E(10(1)(+)), E(0(4)(+)) = E(14(1)(+)), while the energy ratio E(6(1)(+))/E(0(2)(+)) turns out to be a simple, empirical, easy-to-measure effective order parameter, distinguishing between first- and second-order transitions. The energies of 0(n)(+) states near the point of the first order shape/phase transition between U(5) and SU(3) are shown to grow as n(n+3), in agreement with the rule dictated by the relevant critical point symmetries resulting in the framework of special solutions of the Bohr Hamiltonian. The underlying partial dynamical symmetries and quasi-dynamical symmetries are also discussed.
C1 [Bonatsos, Dennis] Natl Ctr Sci Res Demokritos, Inst Nucl Phys, GR-15310 Athens, Greece.
[McCutchan, E. A.] Div Phys, Argonne Natl Lab, Argonne, IL 60439 USA.
[Casten, R. F.] Yale Univ, Wright Nucl Struct Lab, New Haven, CT 06520 USA.
RP Bonatsos, D (reprint author), Natl Ctr Sci Res Demokritos, Inst Nucl Phys, GR-15310 Athens, Greece.
FU U.S. DOE [DE-FG02-9lER-40609, DE-AC02-06CH11357]
FX Work supported in part U.S. DOE Grant No. DE-FG02-9lER-40609 and under
Contract DE-AC02-06CH11357.
NR 31
TC 0
Z9 0
U1 0
U2 1
PU AMER INST PHYSICS
PI MELVILLE
PA 2 HUNTINGTON QUADRANGLE, STE 1NO1, MELVILLE, NY 11747-4501 USA
SN 0094-243X
BN 978-0-7354-0603-2
J9 AIP CONF PROC
PY 2008
VL 1072
BP 40
EP +
PG 2
WC Astronomy & Astrophysics; Physics, Nuclear
SC Astronomy & Astrophysics; Physics
GA BIQ20
UT WOS:000261875700007
ER
PT S
AU Ozen, C
Langanke, K
Martinez-Pinedo, G
Dean, DJ
AF Oezen, C.
Langanke, K.
Martinez-Pinedo, G.
Dean, D. J.
BE Boztosun, I
Balantekin, AB
TI Parity-projected shell model Monte Carlo level densities for medium-mass
nuclei
SO NUCLEAR PHYSICS AND ASTROPHYSICS
SE AIP Conference Proceedings
LA English
DT Proceedings Paper
CT Conference on Nuclear Physic and Astrophysics - From Stable Beams to
Exotic Nucle
CY JUN 25-30, 2008
CL Cappadocia, TURKEY
SP Erciyes Univ, Bozok Univ, Nigde Univ, Istanbul Univ, Turish Atom Energy Author, Turish Acad Sci, Sci & Technol Res Council Turkey, Univ Wisconsin
DE shell model; Monte Carlo methods; level density; parity
AB We investigate the effects of single-particle structure and pairing on the equilibration of positive and negative-parity level densities for the even-even nuclei Fe-58,Fe-62,Fe-66 and Ni-58 and the odd-A nuclei Ni-59 and Fe-65. Calculations are performed using the shell model Monte Carlo method in the complete fp-gds shell-model space using a pairing(+) quadrupole type residual interaction. We find for the even-even nuclei that the positive-parity states dominate at low excitation energies due to strong pairing correlations. At excitation energies at which pairs are broken, single-particle structure of these nuclei is seen to play the decisive role for the energy dependence of the ratio of negative-to-positive parity level densities. We also find that equilibration energies are noticeably lower for the odd-A nuclei Ni-59 and Fe-65 than for the neighboring even-even nuclei Ni-58 and Fe-66.
C1 [Oezen, C.] Yale Univ, Sloane Phys Lab, Ctr Theoret Phys, New Haven, CT 06520 USA.
[Oezen, C.; Langanke, K.; Martinez-Pinedo, G.] Gesellsch Schwerionenforsch GSI, Darmstadt, Germany.
[Langanke, K.] Tech Univ Darmstadt, Inst Kernphys, Darmstadt, Germany.
[Dean, D. J.] Oak Ridge Natl Lab, Phys Div, Oak Ridge, TN USA.
RP Ozen, C (reprint author), Yale Univ, Sloane Phys Lab, Ctr Theoret Phys, New Haven, CT 06520 USA.
RI Martinez-Pinedo, Gabriel/A-1915-2013; Ozen, Cem/C-6868-2016
OI Martinez-Pinedo, Gabriel/0000-0002-3825-0131; Ozen,
Cem/0000-0001-6388-9175
FU U.S. Department of Energy [DE-AC05-00OR22725, DE-FG-0291-ER-40608];
[National Center for Computational Sciences at ORNL]
FX Oak Ridge National Laboratory is managed by UT-Battelle, LLC, for the
U.S. Department of Energy under contract DE-AC05-00OR22725.
Computational resources were provided by the National Center for
Computational Sciences at ORNL. This work is supported in part by the
U.S. DOE grant No. DE-FG-0291-ER-40608.
NR 13
TC 0
Z9 0
U1 0
U2 2
PU AMER INST PHYSICS
PI MELVILLE
PA 2 HUNTINGTON QUADRANGLE, STE 1NO1, MELVILLE, NY 11747-4501 USA
SN 0094-243X
BN 978-0-7354-0603-2
J9 AIP CONF PROC
PY 2008
VL 1072
BP 215
EP +
PG 2
WC Astronomy & Astrophysics; Physics, Nuclear
SC Astronomy & Astrophysics; Physics
GA BIQ20
UT WOS:000261875700036
ER
PT S
AU Dikmen, E
Lisetskiy, AF
Barrett, BR
Navratil, P
Vary, JP
AF Dikmen, E.
Lisetskiy, A. F.
Barrett, B. R.
Navratil, P.
Vary, J. P.
BE Boztosun, I
Balantekin, AB
TI Effective Interactions from No Core Shell Model
SO NUCLEAR PHYSICS AND ASTROPHYSICS
SE AIP Conference Proceedings
LA English
DT Proceedings Paper
CT Conference on Nuclear Physic and Astrophysics - From Stable Beams to
Exotic Nucle
CY JUN 25-30, 2008
CL Cappadocia, TURKEY
SP Erciyes Univ, Bozok Univ, Nigde Univ, Istanbul Univ, Turish Atom Energy Author, Turish Acad Sci, Sci & Technol Res Council Turkey, Univ Wisconsin
DE NCSM; ab-initio; effective interactions
AB We construct the many-body effective Hamiltonian for pf-shell by carrying out 2h Omega NCSM calculations at the 2-body cluster level. We demonstrate how the effective Hamiltonian derived from realistic nucleon-nucleon (NN) potentials for the 2h Omega NCSM space should be modified to properly account for the many-body correlations produced by truncating to the major pf-shell. We obtain two-body effective interactions for the pf-shell by using direct projection and use them to reproduce the results of large scale NCSM for other light Ca isotopes.
C1 [Dikmen, E.] Suleyman Demirel Univ, Dept Phys, TR-32200 Isparta, Turkey.
[Lisetskiy, A. F.; Barrett, B. R.] Univ Arizona, Dept Phys, Tucson, AZ 85721 USA.
[Navratil, P.] Lawrence Livermore Natl Lab, POB 5508, Livermore, CA 94551 USA.
[Vary, J. P.] Iowa State Univ Sci & Technol, Dept Phys & Astron, Ames, IA 50011 USA.
RP Dikmen, E (reprint author), Suleyman Demirel Univ, Dept Phys, TR-32200 Isparta, Turkey.
FU NSF [PHY-0555396]; Scientific and Technological Council of Turkey;
TUBITAK-BIDEB; TUBITAK [105T092]; LLNL [DE-AC52-07NA27344]
FX This work was supported in part by NSF grant PHY-0555396, the Scientific
and Technological Council of Turkey, TUBITAK-BIDEB and TUBITAK 105T092,
and prepared by LLNL under Contract DE-AC52-07NA27344.
NR 11
TC 0
Z9 0
U1 0
U2 0
PU AMER INST PHYSICS
PI MELVILLE
PA 2 HUNTINGTON QUADRANGLE, STE 1NO1, MELVILLE, NY 11747-4501 USA
SN 0094-243X
BN 978-0-7354-0603-2
J9 AIP CONF PROC
PY 2008
VL 1072
BP 233
EP +
PG 2
WC Astronomy & Astrophysics; Physics, Nuclear
SC Astronomy & Astrophysics; Physics
GA BIQ20
UT WOS:000261875700040
ER
PT J
AU Klein, SR
AF Klein, Spencer R.
TI Recent results from RHIC & some lessons for cosmic-ray physicists
SO NUCLEAR PHYSICS B-PROCEEDINGS SUPPLEMENTS
LA English
DT Proceedings Paper
CT 14th International Symposium on Very High Energy Cosmic Ray Interactions
CY AUG 15-22, 2006
CL Weihai, PEOPLES R CHINA
SP Shandong Univ, Chinese Acad Sci, Inst High Energy Phys, IUPAP, Cosm Ray Commiss, IUPAP, Emuls Chamber Comm
ID DETECTOR; COLLISIONS; LHC
AB The Relativistic Heavy Ion Collider (RHIC) studies nuclear matter under a variety of conditions. Cold nuclear matter is probed with deuteron-gold collisions, while hot nuclear matter (possibly a quark-gluon plasma (QGP)) is created in heavy-ion collisions. The distribution of spin in polarized nucleons is measured with polarized proton collisions, and photoproduction is studied using the photons that accompany heavy nuclei.
The deuteron-gold data shows less forward particle production than would be expected from a superposition of pp collisions, as expected due to saturation /shadowing. Particle production in AA collisions is well described by a model of an expanding fireball in thermal equilibrium. Strong hydrodynamic flow and jet quenching shows that the the produced matter interacts very strongly. These phenomena are consistent with new non-perturbative interactions near the transition temperature to the QGP.
This writeup will discuss these results, and their implications for cosmic-ray physicists.
C1 Lawrence Berkeley Natl Lab, Div Nucl Sci, Berkeley, CA 94720 USA.
RP Klein, SR (reprint author), Lawrence Berkeley Natl Lab, Div Nucl Sci, Berkeley, CA 94720 USA.
EM srklein@lbl.gov
NR 32
TC 1
Z9 1
U1 0
U2 0
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0920-5632
EI 1873-3832
J9 NUCL PHYS B-PROC SUP
JI Nucl. Phys. B-Proc. Suppl.
PD JAN
PY 2008
VL 175
BP 9
EP 16
DI 10.1016/j.nuclphysbps.2007.10.002
PG 8
WC Physics, Particles & Fields
SC Physics
GA 259YC
UT WOS:000252975800004
ER
PT J
AU Raja, R
AF Raja, Rajendran
TI The Main Injector Particle Physics Experiment (MIPP FNAL E-907) at
Fermilab - status and plans
SO NUCLEAR PHYSICS B-PROCEEDINGS SUPPLEMENTS
LA English
DT Proceedings Paper
CT 14th International Symposium on Very High Energy Cosmic Ray Interactions
CY AUG 15-22, 2006
CL Weihai, PEOPLES R CHINA
SP Shandong Univ, Chinese Acad Sci, Inst High Energy Phys, IUPAP, Cosm Ray Commiss, IUPAP, Emuls Chamber Comm
ID DETECTOR; CHAMBERS
AB We describe the status of the Main Injector particle production Experiment (MIPP) at Fermilab which has to date acquired 18 million events of particle interactions using (5 GeV/c-120 GeV/c) pi(+/-), K-+/- and p(+/-) beams on various targets. We describe plans to upgrade the data acquisition speed of MIPP to make it run 100 times faster which will enable us to obtain particle production data of unprecdented quality and statistics on a wide variety of nuclear targets including nitrogen which is of importance to cosmic ray physics.
C1 Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA.
RP Raja, R (reprint author), Fermilab Natl Accelerator Lab, POB 500, Batavia, IL 60510 USA.
NR 7
TC 2
Z9 2
U1 0
U2 0
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0920-5632
J9 NUCL PHYS B-PROC SUP
JI Nucl. Phys. B-Proc. Suppl.
PD JAN
PY 2008
VL 175
BP 17
EP 24
DI 10.1016/j.nuclphysbps.2007.10.003
PG 8
WC Physics, Particles & Fields
SC Physics
GA 259YC
UT WOS:000252975800005
ER
PT J
AU Battistoni, G
Cerutti, F
Empl, A
Fasso, A
Ferrari, A
Gadioli, E
Garzelli, MV
Muraro, S
Pelliccioni, M
Pinsky, LS
Ranft, J
Roesler, S
Sala, PR
Villari, R
AF Battistoni, G.
Cerutti, F.
Empl, A.
Fasso, A.
Ferrari, A.
Gadioli, E.
Garzelli, M. V.
Muraro, S.
Pelliccioni, M.
Pinsky, L. S.
Ranft, J.
Roesler, S.
Sala, P. R.
Villari, R.
TI Hadronic models for cosmic ray physics: the FLUKA code
SO NUCLEAR PHYSICS B-PROCEEDINGS SUPPLEMENTS
LA English
DT Proceedings Paper
CT 14th International Symposium on Very High Energy Cosmic Ray Interactions
CY AUG 15-22, 2006
CL Weihai, PEOPLES R CHINA
SP Shandong Univ, Chinese Acad Sci, Inst High Energy Phys, IUPAP, Cosm Ray Commiss, IUPAP, Emuls Chamber Comm
ID MONTE-CARLO CALCULATION; DUAL PARTON MODEL; HIGH-ENERGY; NUCLEUS
INTERACTIONS; RESIDUAL NUCLEI; FRAGMENTATION; SIMULATION; ALTITUDES;
QUARK
AB FLUKA is a general purpose Monte Carlo transport and interaction code used for fundamental physics and for a wide range of applications. These include cosmic ray physics (muons, neutrinos, extensive air showers, underground physics), both for basic research and applied studies in space and atmospheric flight dosimetry and radiation damage. A review of the hadronic models available in FLUKA and relevant for the description of cosmic ray air showers is presented in this paper. Recent improvements concerning these models are discussed. The FLUKA capabilities in the simulation of the formation and propagation of EM and hadronic showers in the terrestrial atmosphere are shown.
C1 [Battistoni, G.; Gadioli, E.; Garzelli, M. V.; Muraro, S.; Sala, P. R.] Ist Nazl Fis Nucl, Sez Milano, I-20133 Milan, Italy.
[Battistoni, G.; Gadioli, E.; Garzelli, M. V.; Muraro, S.; Sala, P. R.] Univ Milan, Dip Fis, I-20133 Milan, Italy.
[Cerutti, F.; Ferrari, A.; Roesler, S.] CERN, CH-1211 Geneva, Switzerland.
[Empl, A.; Pinsky, L. S.] Univ Houston, Dept Phys, Houston, TX 77204 USA.
[Fasso, A.] SLAC, Stanford, CA 94025 USA.
[Pelliccioni, M.] Ist Nazl Fis Nucl, I-00044 Frascati, Rome, Italy.
[Ranft, J.] Univ Siegen, D-57068 Siegen, Germany.
[Villari, R.] ENEA, I-00044 Frascati, Rome, Italy.
RP Garzelli, MV (reprint author), Ist Nazl Fis Nucl, Sez Milano, Via Celoria 16, I-20133 Milan, Italy.
RI Battistoni, Giuseppe/B-5264-2012
OI Battistoni, Giuseppe/0000-0003-3484-1724
NR 25
TC 6
Z9 6
U1 1
U2 1
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0920-5632
J9 NUCL PHYS B-PROC SUP
JI Nucl. Phys. B-Proc. Suppl.
PD JAN
PY 2008
VL 175
BP 88
EP 95
DI 10.1016/j.nuclphysbps.2007.10.013
PG 8
WC Physics, Particles & Fields
SC Physics
GA 259YC
UT WOS:000252975800015
ER
PT J
AU Ebisuzaki, T
Uehara, Y
Ohmori, H
Kawai, K
Kawasaki, Y
Sato, M
Takizawa, Y
Bertaina, ME
Kajino, F
Sawabe, T
Inoue, K
Sasaki, A
Sakata, M
Yamamoto, Y
Nagano, M
Inoue, N
Shibata, T
Sakaki, N
Uchihori, Y
Takahashi, Y
Shimizu, H
Arai, Y
Kurihara, Y
Fujimoto, H
Yoshida, S
Mizumoto, Y
Inoue, S
Asano, K
Sugiyama, T
Watanabe, J
Ikeda, H
Suzuki, M
Imamura, T
Yano, H
Murakami, T
Yonetoku, D
Itow, Y
Taguchi, M
Nagata, M
Nagataki, S
Abe, S
Tajima, T
Adams, JH
Mitchell, S
Christl, MJ
Watts, J
English, A
Takahashi, Y
Pitalo, K
Hadaway, J
Geary, J
Readon, P
Crawford, H
Pennypacker, C
Arisaka, K
Cline, D
Gorodetsky, P
Salin, P
Patzark, T
Maurissen, A
Valentin, M
AF Ebisuzaki, T.
Uehara, Y.
Ohmori, H.
Kawai, K.
Kawasaki, Y.
Sato, M.
Takizawa, Y.
Bertaina, M. E.
Kajino, F.
Sawabe, T.
Inoue, K.
Sasaki, A.
Sakata, M.
Yamamoto, Y.
Nagano, M.
Inoue, N.
Shibata, T.
Sakaki, N.
Uchihori, Y.
Takahashi, Y.
Shimizu, H.
Arai, Y.
Kurihara, Y.
Fujimoto, H.
Yoshida, S.
Mizumoto, Y.
Inoue, S.
Asano, K.
Sugiyama, T.
Watanabe, J.
Ikeda, H.
Suzuki, M.
Imamura, T.
Yano, H.
Murakami, T.
Yonetoku, D.
Itow, Y.
Taguchi, M.
Nagata, M.
Nagataki, S.
Abe, S.
Tajima, T.
Adams, J. H.
Mitchell, S.
Christl, M. J.
Watts, J., Jr.
English, A.
Takahashi, Y.
Pitalo, K.
Hadaway, J.
Geary, J.
Readon, P.
Crawford, H.
Pennypacker, C.
Arisaka, K.
Cline, D.
Gorodetsky, P.
Salin, P.
Patzark, T.
Maurissen, A.
Valentin, M.
TI The JEM-EUSO project: Observing extremely high energy cosmic rays and
neutrinos from the international space station
SO NUCLEAR PHYSICS B-PROCEEDINGS SUPPLEMENTS
LA English
DT Proceedings Paper
CT 14th International Symposium on Very High Energy Cosmic Ray Interactions
CY AUG 15-22, 2006
CL Weihai, PEOPLES R CHINA
SP Shandong Univ, Chinese Acad Sci, Inst High Energy Phys, IUPAP, Cosm Ray Commiss, IUPAP, Emuls Chamber Comm
AB The motivations, characteristics and potential performance of the JEM-EUSO project are briefly discussed.
C1 [Sawabe, T.; Inoue, K.; Sasaki, A.; Sakata, M.; Yamamoto, Y.; Nagano, M.] Konan Univ, Dept Phys, Kobe, Hyogo 6588501, Japan.
[Nagano, M.] Fukui Univ Technol, Dept Appl Phys & Chem, Fukui 9108505, Japan.
[Inoue, N.] Saitama Univ, Dept Phys, Saitama, Saitama 3388570, Japan.
[Shibata, T.; Sakaki, N.] Aoyama Gakuin Univ, Dept Math & Phys, Sagamihara, Kanagawa 2298558, Japan.
[Uchihori, Y.] Natl Inst Radiol Sci, Chiba 2638555, Japan.
[Takahashi, Y.] Tohoku Univ, Dept Geophys, Sendai, Miyagi 9808578, Japan.
[Shimizu, H.; Arai, Y.; Kurihara, Y.] High Energy Accelerator Res Org, KEK, Tsuchiura, Ibaraki 3050801, Japan.
[Yoshida, S.] Chiba Univ, Particle Phys Lab, Chiba 2638522, Japan.
[Mizumoto, Y.; Inoue, S.; Asano, K.; Sugiyama, T.; Watanabe, J.] Natl Astron Observ Japan, Mitaka, Tokyo 1818588, Japan.
[Ikeda, H.; Suzuki, M.; Imamura, T.; Yano, H.] JAXA, Inst Space & Astronaut Sci, Sagamihara, Kanagawa 2298510, Japan.
[Murakami, T.; Yonetoku, D.] Kanazawa Univ, Dept Phys, Kanazawa, Ishikawa 9201192, Japan.
[Itow, Y.] Nagoya Univ, Solar Terr Environm Lab, Nagoya, Aichi 4648601, Japan.
[Taguchi, M.] Natl Inst Polar Res, Tokyo 1738515, Japan.
[Nagata, M.; Abe, S.] Kobe Univ, Dept Comp & Syst Engn, Kobe, Hyogo 6578501, Japan.
[Nagataki, S.] Kyoto Univ, Fundamental Phys Res Inst, Kyoto 6068502, Japan.
[Tajima, T.] Japan Atom Energy Res Inst, Adv Quantum Opt Inst, Kizu, Kyoto 6190215, Japan.
[Adams, J. H.; Mitchell, S.; Christl, M. J.; Watts, J., Jr.; English, A.] NASA, Marshall Space Flight Ctr, Huntsville, AL 35812 USA.
[Takahashi, Y.; Pitalo, K.; Hadaway, J.; Geary, J.; Readon, P.] Univ Alabama, Dept Phis, Huntsville, AL 35899 USA.
[Crawford, H.; Pennypacker, C.] Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA.
[Arisaka, K.; Cline, D.] Univ Calif Los Angeles, Dept Phys & Astron, Los Angeles, CA 90095 USA.
[Gorodetsky, P.; Salin, P.; Patzark, T.] Coll France, CNRS, IN2P3, F-75005 Paris, France.
[Maurissen, A.; Valentin, M.] Observ Cantonal Neuchatel, CH-2000 Neuchatel, Switzerland.
[Ebisuzaki, T.; Uehara, Y.; Ohmori, H.; Kawai, K.; Kawasaki, Y.; Sato, M.; Takizawa, Y.; Bertaina, M. E.; Takahashi, Y.] RIKEN, Inst Phys & Chem Res, Wako, Saitama 3510198, Japan.
RP Bertaina, ME (reprint author), Univ Turin, Dipartimento Fis Gen, I-10125 Turin, Italy.
EM bertaina@to.infn.it
OI Bertaina, Mario Edoardo/0000-0003-1069-1397
NR 4
TC 33
Z9 33
U1 0
U2 1
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0920-5632
J9 NUCL PHYS B-PROC SUP
JI Nucl. Phys. B-Proc. Suppl.
PD JAN
PY 2008
VL 175
BP 237
EP 240
DI 10.1016/j.nuclphysbps.2007.11.005
PG 4
WC Physics, Particles & Fields
SC Physics
GA 259YC
UT WOS:000252975800043
ER
PT J
AU Grupen, C
Hashim, NO
Jost, B
Maciuc, F
Luitz, S
Mailov, A
Miiller, AS
Putzer, A
Rensch, B
Sanderh, HG
Schmeling, S
Schmelling, M
Tcaciuc, R
Wachsmuth, H
Ziegler, T
Zuber, K
AF Grupen, C.
Hashim, N. -O.
Jost, B.
Maciuc, F.
Luitz, S.
Mailov, A.
Miiller, A. -S.
Putzer, A.
Rensch, B.
Sanderh, H. -G.
Schmeling, S.
Schmelling, M.
Tcaciuc, R.
Wachsmuth, H.
Ziegler, Th.
Zuber, K.
TI Cosmic ray results from the CosmoALEPH experiment
SO NUCLEAR PHYSICS B-PROCEEDINGS SUPPLEMENTS
LA English
DT Proceedings Paper
CT 14th International Symposium on Very High Energy Cosmic Ray Interactions
CY AUG 15-22, 2006
CL Weihai, PEOPLES R CHINA
SP Shandong Univ, Chinese Acad Sci, Inst High Energy Phys, IUPAP, Cosm Ray Commiss, IUPAP, Emuls Chamber Comm
ID LEP
AB CosmoALEPH is an experiment operated in conjunction with the ALEPH detector. The ALEPH experiment took data from 1989 until the year 2000 at the Large Electron Positron Collider (LEP) at CERN. It provides, among others, high resolution tracking and calorimetry. CosmoALEPH used this e(+)e(-) detector for cosmic ray studies. In addition, six scintillator telescopes were installed in the ALEPH pit and the LEP tunnel. The whole experiment operated underground at a vertical depth of 320 meter water equivalent. Data from ALEPH and the scintillator telescopes provide informaton on the lateral distribution of energetic cosmic ray muons in extensive air showers. The decoherence curve of these remnant air shower muons is sensitive to the chemical composition of primary cosmic rays and to the interaction characteristics of energetic hadrons in the atmosphere. An attempt is made to extract the various interdependencies in describing the propagation of primary and secondary cosmic rays through the atmosphere and the rock overburden, and comparing the data with results from Monte Carlo (MC) calculations. Results on the multiplicity distributions of remnant air shower muons in ALEPH are also compared with expectations based on MC simulations. Data on the cosmic: ray muon spectrum and charge ratio up to momenta of 3TeV/c as obtained with the time projection chamber in ALEPH's strong magnetic field are presented. The large number of events also allowed to unambiguously observe muon tridents and to estimate the cross section for this process.
C1 [Grupen, C.; Hashim, N. -O.; Mailov, A.; Tcaciuc, R.] Univ Siegen, Fachbereich Phys, D-57068 Siegen, Germany.
[Hashim, N. -O.; Maciuc, F.; Schmelling, M.] Max Planck Inst Kernphys, D-69029 Heidelberg, Germany.
[Hashim, N. -O.; Maciuc, F.; Schmelling, M.] CERN, CH-1211 Geneva, Switzerland.
[Luitz, S.] SLAC, Menlo Pk, CA 94025 USA.
[Miiller, A. -S.] Forschungszentrum Karlsruhe, Ins Synchrotronstrahlung, D-76021 Karlsruhe, Germany.
[Putzer, A.] Univ Heidelberg, Kirchhoff Inst Phys, D-69120 Heidelberg, Germany.
[Rensch, B.] Erphi Elect GmbH, D-83607 Holzkirchen, Germany.
[Sanderh, H. -G.] Johannes Gutenberg Univ Mainz, Inst Phys, D-55099 Mainz, Germany.
[Zuber, K.] Univ Sussex, Brighton BN1 9QH, E Sussex, England.
RP Grupen, C (reprint author), Univ Siegen, Fachbereich Phys, D-57068 Siegen, Germany.
RI MACIUC, Florin/B-9903-2016
OI MACIUC, Florin/0000-0001-6651-9436
NR 14
TC 3
Z9 3
U1 0
U2 1
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0920-5632
J9 NUCL PHYS B-PROC SUP
JI Nucl. Phys. B-Proc. Suppl.
PD JAN
PY 2008
VL 175
BP 286
EP 293
DI 10.1016/j.nuclphysbps.2007.11.014
PG 8
WC Physics, Particles & Fields
SC Physics
GA 259YC
UT WOS:000252975800053
ER
PT J
AU Klein, SR
AF Klein, Spencer R.
TI Studying high p(T) muons in cosmic-ray air showers
SO NUCLEAR PHYSICS B-PROCEEDINGS SUPPLEMENTS
LA English
DT Proceedings Paper
CT 14th International Symposium on Very High Energy Cosmic Ray Interactions
CY AUG 15-22, 2006
CL Weihai, PEOPLES R CHINA
SP Shandong Univ, Chinese Acad Sci, Inst High Energy Phys, IUPAP, Cosm Ray Commiss, IUPAP, Emuls Chamber Comm
AB Most cosmic-ray air shower arrays have focused on detecting electromagnetic shower particles and low energy muons. A few groups (most notably MACRO + EASTOP and SPASE + AMANDA) have studied the high energy muon component of showers. However, these experiments had small solid angles, and did not study muons far from the core. The IceTop + IceCube combination, with its 1 km(2) muon detection area can study muons far from the shower core. IceCube can measure their energy loss (dE/dx), and hence their energy. With the energy, and the known distribution of production heights, the transverse momentum (p(T)) spectrum of high p(T) muons can be determined. The production of these muons is calculable in perturbative QCD, so the measured muon spectra can be used to probe the composition of incident cosmic-rays.
C1 Univ Calif Berkeley, Lawrence Berkeley Lab, Div Nucl Sci, Berkeley, CA 94720 USA.
RP Klein, SR (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, Div Nucl Sci, Berkeley, CA 94720 USA.
NR 14
TC 0
Z9 0
U1 0
U2 1
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0920-5632
J9 NUCL PHYS B-PROC SUP
JI Nucl. Phys. B-Proc. Suppl.
PD JAN
PY 2008
VL 175
BP 346
EP 349
DI 10.1016/j.nuclphysbps.2007.11.028
PG 4
WC Physics, Particles & Fields
SC Physics
GA 259YC
UT WOS:000252975800066
ER
PT J
AU Achterberg, A
Ackermann, M
Adams, J
Ahrens, J
Andeen, K
Atlee, DW
Bahcall, JN
Bai, X
Baret, B
Barwick, SW
Bay, R
Beattie, K
Becka, T
Becker, JK
Becker, KH
Berghaus, P
Berley, D
Bernardini, E
Bertrand, D
Besson, DZ
Blaufuss, E
Boersma, DJ
Bohm, C
Bolmont, J
Boser, S
Botner, O
Bouchta, A
Braun, J
Burgess, C
Burgess, T
Castermans, T
Chirkin, D
Christy, B
Clem, J
Cowen, DF
D'Agostino, MV
Davour, A
Day, CT
De Clercq, C
Demirors, L
Descamps, F
Desiati, P
DeYoung, T
Diaz-Velez, JC
Dreyer, J
Dumm, JP
Duvoort, MR
Edwards, WR
Ehrlich, R
Eisch, J
Ellsworth, RW
Evenson, PA
Fadiran, O
Fazely, AR
Feser, T
Filimonov, K
Fox, BD
Gaisser, TK
Gallagher, J
Ganugapati, R
Geenen, H
Gerhardt, L
Goldschmidt, A
Goodman, JA
Gozzini, R
Grullon, S
Gross, A
Gunasingha, RM
Gurtner, M
Hallgren, A
Halzen, F
Han, K
Hanson, K
Hardtke, D
Hardtke, R
Harenberg, T
Hart, JE
Hauschildt, T
Hays, D
Heise, J
Helbing, K
Hellwig, M
Herquet, P
Hill, GC
Hodges, J
Hoffman, KD
Hommez, B
Hoshina, K
Hubert, D
Hughey, B
Hulth, PO
Hultqvist, K
Hundertmark, S
Hulss, JP
Ishihara, A
Jacobsen, J
Japaridze, GS
Johansson, H
Jones, A
Joseph, JM
Kampert, KH
Karle, A
Kawai, H
Kelley, JL
Kestel, M
Kitamura, N
Klein, SR
Klepser, S
Kohnen, G
Kolanoski, H
Kopke, L
Krasberg, M
Kuehn, K
Landsman, H
Leich, H
Leier, D
Leuthold, M
Liubarsky, I
Lundberg, J
Lunemann, J
Madsen, J
Mase, K
Matis, HS
McCauley, T
McParland, CP
Meli, A
Messarius, T
Meszaros, P
Miyamoto, H
Mokhtarani, A
Montaruli, T
Morey, A
Morse, R
Movit, SM
Munich, K
Nahnhauer, R
Nam, JW
Niessen, P
Nygren, DR
Ogelman, H
Olivas, A
Patton, S
Pena-Garay, C
de los Heros, CP
Piegsa, A
Pieloth, D
Pohl, AC
Porrata, R
Pretz, J
Price, PB
Przybylski, GT
Rawlins, K
Razzaque, S
Resconi, E
Rhode, W
Ribordy, M
Rizzo, A
Robbins, S
Roth, P
Rott, C
Rutledge, D
Ryckbosch, D
Sander, HG
Sarkar, S
Schlenstedt, S
Schmidt, T
Schneider, D
Seckel, D
Seo, SH
Seunarine, S
Silvestri, A
Smith, AJ
Solarz, M
Song, C
Sopher, JE
Spiczak, GM
Spiering, C
Stamatikos, M
Stanev, T
Steffen, P
Stezelberger, T
Stokstad, RG
Stoufer, MC
Stoyanov, S
Strahler, EA
Straszheim, T
Sulanke, KH
Sullivan, GW
Sumner, TJ
Taboada, I
Tarasova, O
Tepe, A
Thollander, L
Tilav, S
Tluczykont, M
Toale, PA
Turcan, D
van Eijndhoven, N
Vandenbroucke, J
Van Overloop, A
Veigt, B
Wagner, W
Walck, C
Waldmann, H
Walter, M
Wang, YR
Wendt, C
Wiebusch, CH
Wikstrom, G
Williams, DR
Wischnewski, R
Wissing, H
Woschnagg, K
Xu, XW
Yodh, G
Yoshida, S
Zornoza, JD
AF Achterberg, A.
Ackermann, M.
Adams, J.
Ahrens, J.
Andeen, K.
Atlee, D. W.
Bahcall, J. N.
Bai, X.
Baret, B.
Barwick, S. W.
Bay, R.
Beattie, K.
Becka, T.
Becker, J. K.
Becker, K. -H.
Berghaus, P.
Berley, D.
Bernardini, E.
Bertrand, D.
Besson, D. Z.
Blaufuss, E.
Boersma, D. J.
Bohm, C.
Bolmont, J.
Boeser, S.
Botner, O.
Bouchta, A.
Braun, J.
Burgess, C.
Burgess, T.
Castermans, T.
Chirkin, D.
Christy, B.
Clem, J.
Cowen, D. F.
D'Agostino, M. V.
Davour, A.
Day, C. T.
De Clercq, C.
Demiroers, L.
Descamps, F.
Desiati, P.
DeYoung, T.
Diaz-Velez, J. C.
Dreyer, J.
Dumm, J. P.
Duvoort, M. R.
Edwards, W. R.
Ehrlich, R.
Eisch, J.
Ellsworth, R. W.
Evenson, P. A.
Fadiran, O.
Fazely, A. R.
Feser, T.
Filimonov, K.
Fox, B. D.
Gaisser, T. K.
Gallagher, J.
Ganugapati, R.
Geenen, H.
Gerhardt, L.
Goldschmidt, A.
Goodman, J. A.
Gozzini, R.
Grullon, S.
Gross, A.
Gunasingha, R. M.
Gurtner, M.
Hallgren, A.
Halzen, F.
Han, K.
Hanson, K.
Hardtke, D.
Hardtke, R.
Harenberg, T.
Hart, J. E.
Hauschildt, T.
Hays, D.
Heise, J.
Helbing, K.
Hellwig, M.
Herquet, P.
Hill, G. C.
Hodges, J.
Hoffman, K. D.
Hommez, B.
Hoshina, K.
Hubert, D.
Hughey, B.
Hulth, P. O.
Hultqvist, K.
Hundertmark, S.
Huelss, J. -P.
Ishihara, A.
Jacobsen, J.
Japaridze, G. S.
Johansson, H.
Jones, A.
Joseph, J. M.
Kampert, K. -H.
Karle, A.
Kawai, H.
Kelley, J. L.
Kestel, M.
Kitamura, N.
Klein, S. R.
Klepser, S.
Kohnen, G.
Kolanoski, H.
Koepke, L.
Krasberg, M.
Kuehn, K.
Landsman, H.
Leich, H.
Leier, D.
Leuthold, M.
Liubarsky, I.
Lundberg, J.
Luenemann, J.
Madsen, J.
Mase, K.
Matis, H. S.
McCauley, T.
McParland, C. P.
Meli, A.
Messarius, T.
Meszaros, P.
Miyamoto, H.
Mokhtarani, A.
Montaruli, T.
Morey, A.
Morse, R.
Movit, S. M.
Muenich, K.
Nahnhauer, R.
Nam, J. W.
Niessen, P.
Nygren, D. R.
Oegelman, H.
Olivas, A.
Patton, S.
Pena-Garay, C.
de los Heros, C. Perez
Piegsa, A.
Pieloth, D.
Pohl, A. C.
Porrata, R.
Pretz, J.
Price, P. B.
Przybylski, G. T.
Rawlins, K.
Razzaque, S.
Resconi, E.
Rhode, W.
Ribordy, M.
Rizzo, A.
Robbins, S.
Roth, P.
Rott, C.
Rutledge, D.
Ryckbosch, D.
Sander, H. -G.
Sarkar, S.
Schlenstedt, S.
Schmidt, T.
Schneider, D.
Seckel, D.
Seo, S. H.
Seunarine, S.
Silvestri, A.
Smith, A. J.
Solarz, M.
Song, C.
Sopher, J. E.
Spiczak, G. M.
Spiering, C.
Stamatikos, M.
Stanev, T.
Steffen, P.
Stezelberger, T.
Stokstad, R. G.
Stoufer, M. C.
Stoyanov, S.
Strahler, E. A.
Straszheim, T.
Sulanke, K. -H.
Sullivan, G. W.
Sumner, T. J.
Taboada, I.
Tarasova, O.
Tepe, A.
Thollander, L.
Tilav, S.
Tluczykont, M.
Toale, P. A.
Turcan, D.
van Eijndhoven, N.
Vandenbroucke, J.
Van Overloop, A.
Veigt, B.
Wagner, W.
Walck, C.
Waldmann, H.
Walter, M.
Wang, Y. -R.
Wendt, C.
Wiebusch, C. H.
Wikstroem, G.
Williams, D. R.
Wischnewski, R.
Wissing, H.
Woschnagg, K.
Xu, X. W.
Yodh, G.
Yoshida, S.
Zornoza, J. D.
TI IceCube contributions to the XIV International Symposium on Very High
Energy Cosmic Ray Interactions (ISVHECRI 2006) Weihai, China - August
15-22
SO NUCLEAR PHYSICS B-PROCEEDINGS SUPPLEMENTS
LA English
DT Proceedings Paper
CT 14th International Symposium on Very High Energy Cosmic Ray Interactions
CY AUG 15-22, 2006
CL Weihai, PEOPLES R CHINA
SP Shandong Univ, Chinese Acad Sci, Inst High Energy Phys, IUPAP, Cosm Ray Commiss, IUPAP, Emuls Chamber Comm
C1 [Achterberg, A.; Duvoort, M. R.; Heise, J.; van Eijndhoven, N.] Univ Utrecht, Dept Phys & Astron, SRON, NL-3584 CC Utrecht, Netherlands.
[Leuthold, M.; Wiebusch, C. H.; Wissing, H.] Rhein Westfal TH Aachen, Inst Phys 3, D-52056 Aachen, Germany.
[Rawlins, K.] Univ Alaska, Dept Phys & Astron, Anchorage, AK 99508 USA.
[Fadiran, O.; Japaridze, G. S.] Clark Atlanta Univ, CTSPS, Atlanta, GA 30314 USA.
[Fazely, A. R.; Gunasingha, R. M.; Xu, X. W.] So Univ, Dept Phys, Baton Rouge, LA 70813 USA.
[Bay, R.; D'Agostino, M. V.; Filimonov, K.; Hardtke, D.; Morey, A.; Porrata, R.; Price, P. B.; Solarz, M.; Taboada, I.; Vandenbroucke, J.; Woschnagg, K.] Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA.
[Kolanoski, H.] Humboldt Univ, Inst Phys, D-12489 Berlin, Germany.
[Beattie, K.; Chirkin, D.; Day, C. T.; Edwards, W. R.; Goldschmidt, A.; Hays, D.; Jacobsen, J.; Jones, A.; Joseph, J. M.; Klein, S. R.; Matis, H. S.; McCauley, T.; McParland, C. P.; Mokhtarani, A.; Nygren, D. R.; Patton, S.; Przybylski, G. T.; Sopher, J. E.; Stezelberger, T.; Stokstad, R. G.; Stoufer, M. C.] Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA.
[Berghaus, P.; Bertrand, D.] Univ Libre Bruxelles, Fac Sci, B-1050 Brussels, Belgium.
[Baret, B.; De Clercq, C.; Hubert, D.; Rizzo, A.] Vrije Univ Brussels, Dienst ELEM, B-1050 Brussels, Belgium.
[Kawai, H.; Mase, K.; Yoshida, S.] Chiba Univ, Dept Phys, Chiba 2638522, Japan.
[Adams, J.; Han, K.; Seunarine, S.] Univ Canterbury, Dept Phys & Astron, Christchurch 1, New Zealand.
[Berley, D.; Blaufuss, E.; Christy, B.; Ehrlich, R.; Ellsworth, R. W.; Goodman, J. A.; Hoffman, K. D.; Olivas, A.; Pretz, J.; Roth, P.; Schmidt, T.; Smith, A. J.; Straszheim, T.; Sullivan, G. W.; Turcan, D.] Univ Maryland, Dept Phys, College Pk, MD 20742 USA.
[Becker, J. K.; Dreyer, J.; Leier, D.; Luenemann, J.; Meli, A.; Messarius, T.; Muenich, K.; Rhode, W.] Univ Dortmund, Dept Phys, D-44221 Dortmund, Germany.
[Ryckbosch, D.] Univ Ghent, Dept Subatom & Radiat Phys, B-9000 Ghent, Belgium.
[Gross, A.; Resconi, E.] Max Planck Inst Kernphys, D-69177 Heidelberg, Germany.
[Barwick, S. W.; Gerhardt, L.; Kuehn, K.; Nam, J. W.; Silvestri, A.; Yodh, G.] Univ Calif Irvine, Dept Phys & Astron, Irvine, CA 92697 USA.
[Besson, D. Z.] Univ Kansas, Dept Phys & Astron, Lawrence, KS 66045 USA.
[Liubarsky, I.] Univ London Imperial Coll Sci Technol & Med, Blackett Lab, London SW7 2BW, England.
[Gallagher, J.] Univ Wisconsin, Dept Astron, Madison, WI 53706 USA.
[Andeen, K.; Boersma, D. J.; Braun, J.; Desiati, P.; Diaz-Velez, J. C.; Dumm, J. P.; Ganugapati, R.; Grullon, S.; Hughey, B.; Karle, A.; Kelley, J. L.; Landsman, H.; Montaruli, T.; Morse, R.; Oegelman, H.; Schneider, D.; Song, C.; Stamatikos, M.; Strahler, E. A.; Wang, Y. -R.; Wendt, C.; Zornoza, J. D.] Univ Wisconsin, Dept Phys, Madison, WI 53706 USA.
[Ahrens, J.; Becka, T.; Feser, T.; Gozzini, R.; Hellwig, M.; Piegsa, A.; Sander, H. -G.] Johannes Gutenberg Univ Mainz, Inst Phys, D-55099 Mainz, Germany.
[Castermans, T.; Herquet, P.; Ribordy, M.] Univ Mons Hainaut, B-7000 Mons, Belgium.
[Bai, X.; Clem, J.; Demiroers, L.; Evenson, P. A.; Gaisser, T. K.; Hauschildt, T.; Niessen, P.; Seckel, D.; Stanev, T.; Stoyanov, S.; Tilav, S.] Univ Delaware, Bartol Res Inst, Newark, DE 19716 USA.
[Sarkar, S.] Univ Oxford, Dept Phys, Oxford OX1 3NP, England.
[Bahcall, J. N.; Pena-Garay, C.] Inst Adv Study, Princeton, NJ 08540 USA.
[Eisch, J.; Madsen, J.; Spiczak, G. M.] Univ Wisconsin, Dept Phys, River Falls, WI 54022 USA.
[Bohm, C.; Burgess, C.; Burgess, T.; Hulth, P. O.; Hultqvist, K.; Hundertmark, S.; Thollander, L.; Walck, C.; Wikstroem, G.] Stockholm Univ, Dept Phys, SE-10691 Stockholm, Sweden.
[Cowen, D. F.; Meszaros, P.; Movit, S. M.; Razzaque, S.] Penn State Univ, Dept Astron & Astrophys, University Pk, PA 16802 USA.
[Atlee, D. W.; Cowen, D. F.; DeYoung, T.; Fox, B. D.; Hart, J. E.; Krasberg, M.; Meszaros, P.; Razzaque, S.; Rott, C.; Rutledge, D.; Seo, S. H.; Wagner, W.; Williams, D. R.] Penn State Univ, Dept Phys, University Pk, PA 16802 USA.
[Botner, O.; Bouchta, A.; Davour, A.; Lundberg, J.; de los Heros, C. Perez; Pohl, A. C.] Uppsala Univ, Div High Energy Phys, S-75121 Uppsala, Sweden.
[Becker, K. -H.; Geenen, H.; Harenberg, T.; Helbing, K.; Huelss, J. -P.; Robbins, S.; Tepe, A.] Univ Wuppertal, Dept Phys, D-42119 Wuppertal, Germany.
[Ackermann, M.; Bernardini, E.; Bolmont, J.; Boeser, S.; Leier, D.; Nahnhauer, R.; Pieloth, D.; Schlenstedt, S.; Spiering, C.; Steffen, P.; Sulanke, K. -H.; Tarasova, O.; Tluczykont, M.; Waldmann, H.; Walter, M.; Wischnewski, R.] DESY, D-15735 Zeuthen, Germany.
[Montaruli, T.] Univ Bari, I-70126 Bari, Italy.
RP Achterberg, A (reprint author), Univ Utrecht, Dept Phys & Astron, SRON, NL-3584 CC Utrecht, Netherlands.
RI Hundertmark, Stephan/A-6592-2010; Botner, Olga/A-9110-2013; Hallgren,
Allan/A-8963-2013; Sarkar, Subir/G-5978-2011;
OI Sarkar, Subir/0000-0002-3542-858X; Perez de los Heros,
Carlos/0000-0002-2084-5866; Hubert, Daan/0000-0002-4365-865X
NR 0
TC 0
Z9 0
U1 0
U2 2
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0920-5632
J9 NUCL PHYS B-PROC SUP
JI Nucl. Phys. B-Proc. Suppl.
PD JAN
PY 2008
VL 175
BP 407
EP 408
DI 10.1016/j.nuclphysbps.2007.11.040
PG 2
WC Physics, Particles & Fields
SC Physics
GA 259YC
UT WOS:000252975800078
ER
PT J
AU Joeck, N
AF Joeck, Neil
BE Ganguly, S
Kapur, SP
TI The Kargil War and nuclear deterrence
SO NUCLEAR PROLIFERATION IN SOUTH ASIA: CRISIS BEHAVIOUR AND THE BOMB
SE Asian Security Studies
LA English
DT Article; Book Chapter
ID PROLIFERATION
C1 Lawrence Livermore Natl Lab, Livermore, CA USA.
RP Joeck, N (reprint author), Lawrence Livermore Natl Lab, Livermore, CA USA.
NR 40
TC 0
Z9 0
U1 1
U2 4
PU ROUTLEDGE
PI NEW YORK
PA 29 W 35TH ST, NEW YORK, NY 10001 USA
BN 978-0-203-89286-2
J9 ASIAN SECUR STUD
PY 2008
BP 117
EP 143
D2 10.4324/9780203892862
PG 27
WC International Relations; Asian Studies; Political Science
SC International Relations; Asian Studies; Government & Law
GA BMG63
UT WOS:000272298200007
ER
PT S
AU Passell, HD
Solodukhin, V
Khazekhber, S
Pozniak, VL
Vasiliev, IA
Alekhina, V
Djuraev, A
Salikhbaev, US
Radyuk, RI
Suozzi, D
Barber, DS
AF Passell, H. D.
Solodukhin, V.
Khazekhber, S.
Pozniak, V. L.
Vasiliev, I. A.
Alekhina, V.
Djuraev, A.
Salikhbaev, U. S.
Radyuk, R. I.
Suozzi, D.
Barber, D. S.
BE Salbu, B
Skipperud, L
TI The Navruz Project: Cooperative, transboundary monitoring, data sharing
and modeling of water resources in Central Asia
SO NUCLEAR RISKS IN CENTRAL ASIA
SE NATO Science for Peace and Security Series C-Environmental Security
LA English
DT Proceedings Paper
CT NATO Advanced Research Workshop on Nuclear Risk in Central Asia
CY JUN 20-22, 2006
CL Almaty, KAZAKHSTAN
SP NATO
DE sustainable water resources management; radionuclides and metals; Syr
Darya and Amu Darya River
ID RIVERS
AB The Navruz Project engages scientists from nuclear physics research institutes and water science institutions in the Central Asia Republics of Kazakhstan, Kyrgyzstan, Tajikistan, and Uzbekistan, and Sandia National Laboratories. The project uses standardized methods to monitor basic water quality parameters, radionuclides, and metals in the Syr Darya and Amu Darya rivers. Phase I of the project was initiated in 2000 with 15 sampling points in each of the four countries with sample analysis performed for over 100 parameters. Phase 11 of the project began in 2003 and expanded sampling to include at least 30 points in each country in an effort to characterize "hot spots" and to identify sources. Phase III of the project began in 2006 and will integrate decision support modeling with the existing monitoring. Overall, the project addresses four main goals: to create collaboration among Central Asian scientists and countries; to help increase capabilities in Central Asian nations for sustainable water resources management; to provide a scientific basis for supporting nuclear transparency and nonproliferation in the region; and to help reduce the threat of conflict in Central Asia over water resources. Contamination of these rivers is a result of growing population, urbanization, and agricultural activities, as well as radioactive contamination from a legacy of uranium mining and related activities of the former Soviet Union. The project focuses on waterbome radionuclides and metals because of the importance of these contaminants to public health and political stability in Central Asia.
C1 [Passell, H. D.; Suozzi, D.] Sandia Natl Labs, Geosci & Environm Ctr, Monitoring Ctr, POB 5800, Albuquerque, NM 87185 USA.
[Solodukhin, V.; Khazekhber, S.; Pozniak, V. L.] NNC RK, Inst Phys Nucl, Alma Ata 050032, Kazakhstan.
[Vasiliev, I. A.; Alekhina, V.] Chui Prospect, Inst Phys, Bishkek 720071, Kyrgyzstan.
[Djuraev, A.] Tajik Acad Sci, Atomic Energy Agcy, Dushanbe, Tajikistan.
[Salikhbaev, U. S.; Radyuk, R. I.] Inst Nucl Phys, AS RU, Novosibirsk, Russia.
RP Passell, HD (reprint author), Sandia Natl Labs, Geosci & Environm Ctr, Monitoring Ctr, POB 5800, Albuquerque, NM 87185 USA.
FU Sandia National Laboratories; U.S. Department of Energy National Nuclear
Security Agency's Office of Nonproliferation Policy; International
Science and Technology Center (ISTC); Science and Technology Center of
the Ukraine (STCU); home institutions and governments of all the Navruz
Project partners; NATO Science for Peace Subprogramme; United States
Department of Energy [DE-AC04-94AL85000]
FX We gratefully acknowledge the support and assistance from Sandia
National Laboratories, the U.S. Department of Energy National Nuclear
Security Agencys Office of Nonproliferation Policy, the International
Science and Technology Center (ISTC), and the Science and Technology
Center of the Ukraine (STCU), the home institutions and governments of
all the Navruz Project partners, and the NATO Science for Peace
Subprogramme. Sandia National Laboratories is a multiprogram laboratory
operated by Sandia Corporation, a Lockheed-Martin Company, for the
United States Department of Energy under contract DE-AC04-94AL85000.
NR 9
TC 1
Z9 2
U1 0
U2 2
PU SPRINGER
PI DORDRECHT
PA PO BOX 17, 3300 AA DORDRECHT, NETHERLANDS
SN 1871-4668
BN 978-1-4020-8315-0
J9 NATO SCI PEACE SECUR
JI NATO Sci. Peace Secur. Ser. C- Environ. Secur.
PY 2008
BP 191
EP +
DI 10.1007/978-1-4020-8317-4_18
PG 4
WC Ecology; Environmental Sciences; Geosciences, Multidisciplinary;
Physics, Nuclear
SC Environmental Sciences & Ecology; Geology; Physics
GA BHQ21
UT WOS:000255383400018
ER
PT J
AU Sanchez, R
Loaiza, D
Kimpland, R
Hayes, D
Cappiello, C
Chadwick, M
AF Sanchez, Rene
Loaiza, David
Kimpland, Robert
Hayes, David
Cappiello, Charlene
Chadwick, Mark
TI Criticality of a Np-237 sphere
SO NUCLEAR SCIENCE AND ENGINEERING
LA English
DT Article
AB A series of critical-mass experiments using a 6-kg neptunium sphere was performed on the Planet vertical-assembly machine at Los Alamos National Laboratory (LANL). The purpose of the experiments was to obtain a better estimate of the critical mass of Np-237. The configurations that were studied included surrounding the neptunium sphere with highly enriched uranium (HEU) shells as well as reflecting it with iron and polyethylene. An additional experiment using a 4.5-kg alpha-phase plutonium sphere surrounded with HEU was performed to demonstrate how well the computer transport code and the existing cross-section data for uranium and plutonium could reproduce the experiment. For some of the configurations, the prompt-neutron decay constants at delayed critical were measured These experiments provided an integral measurement of the cross sections for Np-237 in the fast-energy and possibly in the intermediate-energy regions. The measured k(eff) from these experiments was compared with the calculated k(eff) from the Monte Carlo N-Particle (MCNP) transport code using ENDF/B-V and ENDF/B-VI and cross-section data evaluated by the Nuclear Theory and Applications group (T-16) at LANL. In all the neptunium experiments, the calculated keff values based on ENDF/B-VI data were similar to 1 % lower than the experimental k(eff). After adjusting the cross sections for neptunium and U-235 to match the bare neptunium/ HEU experiment as well as Godiva k(eff) criticality and spectra indexes, the MCNP code yielded a value of 57 +/- 4 kg for the bare critical mass of Np-237.
C1 [Sanchez, Rene; Loaiza, David; Kimpland, Robert; Hayes, David; Cappiello, Charlene; Chadwick, Mark] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
RP Sanchez, R (reprint author), Los Alamos Natl Lab, MS B228, Los Alamos, NM 87545 USA.
EM rgsanchez@lanl.gov
NR 12
TC 7
Z9 7
U1 0
U2 1
PU AMER NUCLEAR SOC
PI LA GRANGE PK
PA 555 N KENSINGTON AVE, LA GRANGE PK, IL 60526 USA
SN 0029-5639
J9 NUCL SCI ENG
JI Nucl. Sci. Eng.
PD JAN
PY 2008
VL 158
IS 1
BP 1
EP 14
PG 14
WC Nuclear Science & Technology
SC Nuclear Science & Technology
GA 250EO
UT WOS:000252283000001
ER
PT J
AU Lebrat, JF
Aliberti, G
D'Angelo, A
Billebaud, A
Brissot, R
Brockmann, H
Carta, M
Destouches, C
Gabrielli, F
Gonzalez, E
Hogenbirk, A
Klein-Meulenkamp, R
Le Brun, C
Liatard, E
Mellier, F
Messaoudi, N
Peluso, V
Plaschy, M
Thomas, M
Villamarin, D
Vollaire, J
AF Lebrat, J. F.
Aliberti, G.
D'Angelo, A.
Billebaud, A.
Brissot, R.
Brockmann, H.
Carta, M.
Destouches, C.
Gabrielli, F.
Gonzalez, E.
Hogenbirk, A.
Klein-Meulenkamp, R.
Le Brun, C.
Liatard, E.
Mellier, F.
Messaoudi, N.
Peluso, V.
Plaschy, M.
Thomas, M.
Villamarin, D.
Vollaire, J.
TI Global results from deterministic and stochastic analysis of the MUSE-4
experiments on the neutronics of accelerator-driven systems
SO NUCLEAR SCIENCE AND ENGINEERING
LA English
DT Article
AB The MUSE-4 program is a series of zero-power experiments carried out at the Commissariat a l'Energie Atomique Cadarache MASURCA nuclear facility from 2001 to 2004 to study the neutronics of accelerator-driven systems (ADSs). The program has investigated the coupling of a multiplying medium to neutron sources of 2.6 or 14 MeV provided by an accelerator (GENEPI) via D(d,n)He-3 or T(d,n)He-4 nuclear fusion reactions, respectively. The fuel was UO2-PuO2, the simulated coolant was sodium or lead, and the multiplication factor k(eff) ranged from I to 0.95. The aim of the experiment was to develop new measurement techniques specific to ADSs and to test the performances of neutronic calculations codes for such systems.
The interpretation of the MUSE-4 experiment has shown that the physical parameters of the system are globally well reproduced by calculations performed with the ERANOS code system, which proves good agreement with both the measurements and the reference Monte Carlo calculations; this concerns the critical mass, the delayed neutron fraction, the fission rate shapes, and the spectral indices. This is a particularly remarkable issue for ERANOS and its associated libraries, which had never been tested for such situations.
Concerning the nuclear data, JEF-based cross sections provide a better agreement on critical mass than other libraries. A sensitivity of several measured parameters to the elastic and inelastic cross section of lead have been demonstrated, and possible biases on these cross sections have been indicated.
We have shown that several methods based on deterministic or stochastic calculations allow us to relate the experimental neutron population decay after a source pulse with the reactivity of the system; these reactivity determination techniques are in good agreement with standard reactivity measurement techniques.
C1 [Lebrat, J. F.; Destouches, C.; Mellier, F.] CEN Cadarache, F-13108 St Paul Les Durance, France.
[Aliberti, G.] Argonne Natl Lab, Argonne, IL 60439 USA.
[D'Angelo, A.; Carta, M.; Peluso, V.] ENEA, Casaccia Res Ctr, Rome, Italy.
[Billebaud, A.; Brissot, R.; Le Brun, C.; Liatard, E.; Vollaire, J.] Univ Grenoble 1, CNRS, Lab Phys Subatom & Cosmol, Inst Natl Phys Nucl & Phys Particules, Grenoble, France.
[Brockmann, H.] Forschungszentrum Julich, Julich, Germany.
[Gabrielli, F.] Forschungszentrum Karlsruhe, Karlsruhe, Germany.
[Gonzalez, E.; Villamarin, D.] Ctr Invest Energet Medioambientales & Technol, Madrid, Spain.
[Hogenbirk, A.; Klein-Meulenkamp, R.] Nucl Res & Consultancy Grp, Petten, Netherlands.
[Messaoudi, N.] SCK CEN Mol, Brussels, Belgium.
[Plaschy, M.] Paul Scherrer Inst, Villigen, Switzerland.
RP Lebrat, JF (reprint author), CEN Cadarache, Bldg 230, F-13108 St Paul Les Durance, France.
EM jean-francois.lebrat@cea.fr
NR 28
TC 20
Z9 20
U1 0
U2 3
PU AMER NUCLEAR SOC
PI LA GRANGE PK
PA 555 N KENSINGTON AVE, LA GRANGE PK, IL 60526 USA
SN 0029-5639
J9 NUCL SCI ENG
JI Nucl. Sci. Eng.
PD JAN
PY 2008
VL 158
IS 1
BP 49
EP 67
PG 19
WC Nuclear Science & Technology
SC Nuclear Science & Technology
GA 250EO
UT WOS:000252283000005
ER
PT J
AU Rochman, D
Herman, M
Mughabghab, SF
Oblozinsky, R
AF Rochman, D.
Herman, M.
Mughabghab, S. F.
Oblozinsky, R.
TI New evaluation of the Tc-99 neutron-induced cross sections for the
ENDF/B-VII.0 library
SO NUCLEAR SCIENCE AND ENGINEERING
LA English
DT Article
ID NUCLEAR-DATA LIBRARY; CAPTURE; TRANSMUTATION; SPECTROMETER; TECHNETIUM;
SPECTRA; 99TC
AB Neutron-induced cross sections for Tc-99 were evaluated from 10(-5) eV to 20 MeV for the U.S. ENDF/B-VII.0 library released in December 2006 The resonance parameters were adopted from the new Atlas of Neutron Resonances. In the fast region, all open reaction channels were evaluated with the reaction code EMPIRE-2.19. Comparison of the present evaluation with microscopic measurements and data recommended by European (JEFF-3.1) and Japanese (JENDL-3.3) libraries is presented.
C1 [Rochman, D.; Herman, M.; Mughabghab, S. F.; Oblozinsky, R.] Brookhaven Natl Lab, Natl Nucl Data Ctr, Upton, NY 11973 USA.
RP Rochman, D (reprint author), Nucl Res & Consultancy Grp, POB 25, NL-1755 ZG Petten, Netherlands.
EM rochman@nrg-nl.com
OI Rochman, Dimitri/0000-0002-5089-7034
NR 66
TC 6
Z9 6
U1 0
U2 2
PU AMER NUCLEAR SOC
PI LA GRANGE PK
PA 555 N KENSINGTON AVE, LA GRANGE PK, IL 60526 USA
SN 0029-5639
J9 NUCL SCI ENG
JI Nucl. Sci. Eng.
PD JAN
PY 2008
VL 158
IS 1
BP 68
EP 77
PG 10
WC Nuclear Science & Technology
SC Nuclear Science & Technology
GA 250EO
UT WOS:000252283000006
ER
PT J
AU Sherwood, DJ
Crawford, CL
White, TL
Duffey, CE
Calloway, TB
AF Sherwood, D. J.
Crawford, C. L.
White, T. L.
Duffey, C. E.
Calloway, T. B.
TI Impact of antifoam agent addition on hydrogen formation in the Hanford
Waste Treatment and Immobilization Plant
SO NUCLEAR SCIENCE AND ENGINEERING
LA English
DT Article
AB Ventilation and mixing systems in the Hanford Waste Treatment and Immobilization Plant (WTP) are being designed to account for the flammable gas hydrogen that will form in process streams, just as it also does in the radioactive liquid wastes awaiting immobilization at the Hanford Tank Farms. Tank wastes forming hydrogen at the highest rates do so by reactions involving dissolved organic complexant compounds, even though hydrogen is also formed by the better known radiolysis pathway. Hydrogen generation rates (HGRs) are predicted with a correlation relating waste properties to reaction pathways involving radiolysis of water and the degradation of organic compounds. This correlation accounts only for aqueous phase reactions. An antifoam agent (AFA) will be added to waste processed in the WTP, This organic liquid mixture is immiscible in aqueous systems and will therefore form a nonaqueous phase liquid layer on the processed waste, unless some of its compounds are unstable in the hostile physical/chemical environment and break down into soluble degradation products. Dissolved organic species increase the organic source term in the WTP HGR correlation, but the correlation requires adaptation to address hydrogen formed from immiscible organic liquids. Here, we report our initial evaluation of the hydrogen formed by Co-60 gamma irradiation of a waste simulant containing Dow Corning Q2-3183A AFA with an adapted WTP HGR correlation.
C1 [Sherwood, D. J.] Hanford Waste Treatment & Immobilizat Plant, Washington Grp Int, Richland, WA 99354 USA.
[Crawford, C. L.; White, T. L.; Duffey, C. E.; Calloway, T. B.] Westinghouse Savannah River Co, Savannah River Lab, Aiken, SC 29808 USA.
RP Sherwood, DJ (reprint author), Hanford Waste Treatment & Immobilizat Plant, Washington Grp Int, Richland, WA 99354 USA.
EM djsherwo@bechtel.com
NR 17
TC 0
Z9 0
U1 1
U2 1
PU AMER NUCLEAR SOC
PI LA GRANGE PK
PA 555 N KENSINGTON AVE, LA GRANGE PK, IL 60526 USA
SN 0029-5639
J9 NUCL SCI ENG
JI Nucl. Sci. Eng.
PD JAN
PY 2008
VL 158
IS 1
BP 88
EP 96
PG 9
WC Nuclear Science & Technology
SC Nuclear Science & Technology
GA 250EO
UT WOS:000252283000008
ER
PT J
AU Joo, HK
Taiwo, TA
Yang, WS
Khalil, HS
AF Joo, Hyung-Kook
Taiwo, Temitope A.
Yang, Won Sik
Khalil, Hussein S.
TI Numerical benchmarks for very high-temperature reactors based on the
CNPS critical experiments
SO NUCLEAR TECHNOLOGY
LA English
DT Article
DE numerical benchmark; very high-temperature reactor physics; compact
nuclear power source critical experiments
AB An evaluation of the Compact Nuclear Power Source (CNPS) experiments conducted at Los Alamos National Laboratory in the 1980s has been done using information available in the open literature. The MCNP4C Monte Carlo results for critical test configurations are in good agreement with the experimental values; the k(eff) values are generally within 0.5% of the experimental values. The calculated total and differential rod worths and material worths were also found generally close to experimental values. These good results motivated the utilization of the experimental test data for the specification of two- and three-dimensional numerical benchmark cases that could be used for the verification and validation of core physics codes developed for Very High Temperature Reactor (VHTR) analysis, particularly the deterministic lattice and whole-core physics codes. To define the benchmark cases, the irregular arrangement of channels in the actual CNPS core was simplified to a regular Cartesian geometry arrangement in the benchmark cases, while preserving the important neutronics characteristics of the CNPS. The results of deterministic calculations using the HELIOS/DIF3D code package were compared to MCNP4C results to show the usefulness of the numerical benchmark cases.
C1 [Joo, Hyung-Kook; Taiwo, Temitope A.; Yang, Won Sik; Khalil, Hussein S.] Argonne Natl Lab, Nucl Engn Div, Argonne, IL 60439 USA.
RP Joo, HK (reprint author), Korea Atom Energy Res Inst, 150 Deokjin Dong, Taejon, South Korea.
EM hkjoo@kaeri.re.kr
OI Yang, Won Sik/0000-0003-0734-6023
NR 11
TC 0
Z9 0
U1 0
U2 4
PU AMER NUCLEAR SOC
PI LA GRANGE PK
PA 555 N KENSINGTON AVE, LA GRANGE PK, IL 60526 USA
SN 0029-5450
J9 NUCL TECHNOL
JI Nucl. Technol.
PD JAN
PY 2008
VL 161
IS 1
BP 8
EP 26
PG 19
WC Nuclear Science & Technology
SC Nuclear Science & Technology
GA 246CQ
UT WOS:000251985500002
ER
PT S
AU Carlson, J
Gezerlis, A
Reddy, S
AF Carlson, J.
Gezerlis, Alexandros
Reddy, Sanjay
BE Danielewicz, P
Piecuch, P
Zelevinsky, V
TI Equation of state and pairing gaps in cold atoms and low-density neutron
matter
SO NUCLEI AND MESOSCOPIC PHYSICS
SE AIP CONFERENCE PROCEEDINGS
LA English
DT Proceedings Paper
CT 2nd Workshop on Nuclei and Mesoscopic Physics
CY OCT 20-22, 2007
CL Michigan State Univ, NSCL, E Lansing, MI
HO Michigan State Univ, NSCL
DE superfluidity; pairing; neutron matter; cold atoms
ID FERMI GAS
AB Cold Atom experiments provide a direct experimental test of the properties of neutron matter at extremely low densities, as is expected to be found in the crusts of neutron stars. These systems are very unusual in that the pairing gap is of the order of the Fermi energy, rather than the very small fraction typical for superfluids or superconductors. We compare the equation of state and the pairing gaps in these systems.
C1 [Carlson, J.; Gezerlis, Alexandros; Reddy, Sanjay] Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA.
RP Carlson, J (reprint author), Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA.
RI Gezerlis, Alexandros/O-9426-2014
OI Gezerlis, Alexandros/0000-0003-2232-2484
NR 17
TC 0
Z9 0
U1 0
U2 0
PU AMER INST PHYSICS
PI MELVILLE
PA 2 HUNTINGTON QUADRANGLE, STE 1NO1, MELVILLE, NY 11747-4501 USA
SN 0094-243X
BN 978-0-7354-0514-1
J9 AIP CONF PROC
PY 2008
VL 995
BP 17
EP 24
PG 8
WC Nanoscience & Nanotechnology; Physics, Applied
SC Science & Technology - Other Topics; Physics
GA BHP83
UT WOS:000255196600003
ER
PT S
AU Celardo, GL
Izrailev, FM
Sorathia, S
Zelevinsky, VG
Berman, GP
AF Celardo, G. L.
Izrailev, F. M.
Sorathia, S.
Zelevinsky, V. G.
Berman, G. P.
BE Danielewicz, P
Piecuch, P
Zelevinsky, V
TI Continuum shell model: From Ericson to conductance fluctuations
SO NUCLEI AND MESOSCOPIC PHYSICS
SE AIP Conference Proceedings
LA English
DT Proceedings Paper
CT 2nd Workshop on Nuclei and Mesoscopic Physics
CY OCT 20-22, 2007
CL Michigan State Univ, NSCL, E Lansing, MI
HO Michigan State Univ, NSCL
DE shell model; two-body random interaction; Ericson fluctuations;
conductance fluctuations
ID COMPOUND-NUCLEUS SCATTERING; UNSTABLE QUANTUM STATES; OVERLAPPING
RESONANCES; CHAOTIC SCATTERING; S-MATRIX; STATISTICAL-THEORY; CROSS
SECTIONS; SYSTEMS; PHYSICS; DYNAMICS
AB We discuss an approach for studying the properties of mesoscopic systems, where discrete and continuum parts of the spectrum are equally important. The approach can be applied (i) to stable heavy nuclei and complex atoms near the continuum threshold, (ii) to nuclei far from the region of nuclear stability, both of the regions being of great current interest, and (iii) to mesoscopic devices with interacting electrons. The goal is to develop a new consistent version of the continuum shell model that simultaneously takes into account strong interaction between fermions and coupling to the continuum. Main attention is paid to the formation of compound resonances, their statistical properties, and correlations of the cross sections. We study the Ericson fluctuations of overlapping resonances and show that the continuum shell model nicely describes universal properties of the conductance fluctuations.
C1 [Celardo, G. L.] Tulane Univ, Dept Phys, New Orleans, LA 70118 USA.
[Izrailev, F. M.; Sorathia, S.] Univ Autonoma Puebla, Inst Fis, Puebla 72570, Mexico.
[Izrailev, F. M.; Zelevinsky, V. G.] Michigan State Univ, NSCL, E Lansing, MI 48824 USA.
[Izrailev, F. M.; Zelevinsky, V. G.] Michigan State Univ, Dept Phys & Astron, E Lansing, MI 48824 USA.
[Berman, G. P.] Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA.
[Berman, G. P.] Los Alamos Natl Lab, CNLS, Los Alamos, NM 87545 USA.
RP Celardo, GL (reprint author), Tulane Univ, Dept Phys, New Orleans, LA 70118 USA.
FU NSF [PHY-0244453, PHY-0555366]; Department of Energy at Los Alamos
National Laboratory [DE-AC52-06NA25396]
FX We acknowledge useful discussion with T. Gorin, Y Fyodorov, D. Savin,
and V. Sokolov. The work was supported by the NSF grants PHY-0244453 and
PHY-0555366. The work by G.PB. was carried out under the auspices of the
National Nuclear Security Administration of the U.S. Department of
Energy at Los Alamos National Laboratory under Contract No.
DE-AC52-06NA25396. S.S. acknowledges the financial support from the
Leverhuhne Trust.
NR 42
TC 5
Z9 5
U1 0
U2 0
PU AMER INST PHYSICS
PI MELVILLE
PA 2 HUNTINGTON QUADRANGLE, STE 1NO1, MELVILLE, NY 11747-4501 USA
SN 0094-243X
BN 978-0-7354-0514-1
J9 AIP CONF PROC
PY 2008
VL 995
BP 75
EP +
PG 2
WC Nanoscience & Nanotechnology; Physics, Applied
SC Science & Technology - Other Topics; Physics
GA BHP83
UT WOS:000255196600010
ER
PT J
AU Mundt, JM
Hah, SS
Sumbad, RA
Schramm, V
Henderson, PT
AF Mundt, Janna M.
Hah, Sang Soo
Sumbad, Rhoda A.
Schramm, Vern
Henderson, Paul T.
TI Incorporation of extracellular 8-oxodG into DNA and RNA requires purine
nucleoside phosphorylase in MCF-7 cells
SO NUCLEIC ACIDS RESEARCH
LA English
DT Article
ID PYROPHOSPHOHYDROLASE 8-OXO-DGTPASE ACTIVITY; OXIDATIVE DAMAGE;
MAMMALIAN-CELLS; RIBONUCLEOTIDE REDUCTASE; IMMUCILLIN-H; REPAIR;
PROTEIN; 8-OXOGUANINE; INHIBITION; RADICALS
AB 7,8-Dihydro-8-oxo-2'-deoxyguanosine (8-oxodG) is a well-known marker of oxidative stress. We report a mechanistic analysis of several pathways by which 8-oxodG is converted to nucleotide triphosphates and incorporated into both DNA and RNA. Exposure of MCF-7 cells to [C-14]8-oxodG combined with specific inhibitors of several nucleotide salvage enzymes followed with accelerator mass spectrometry provided precise quantitation of the resulting radiocarbon-labeled species. Concentrations of exogenously dosed nucleobase in RNA reached one per 10(6) nucleotides, 56-fold higher than the maximum observed in DNA. Radiocarbon incorporation into DNA and RNA was abrogated by Immucillin H, an inhibitor of human purine nucleoside phosphorylase (PNP). Inhibition of ribonucleotide reductase (RR) decreased the radiocarbon content of the DNA, but not in RNA, indicating an important role for RR in the formation of 8-oxodG-derived deoxyribonucleotides. Inhibition of deoxycytidine kinase had little effect on radiocarbon incorporation in DNA, which is in contrast to the known ability of mammalian cells to phosphorylate dG. Our data indicate that PNP and RR enable nucleotide salvage of 8-oxodG in MCF-7 cells, a previously unrecognized mechanism that may contribute to mutagenesis and carcinogenesis.
C1 [Mundt, Janna M.; Hah, Sang Soo; Sumbad, Rhoda A.; Henderson, Paul T.] Lawrence Livermore Natl Lab, Chem Mat Earth & Life Sci Directorate, Livermore, CA 94551 USA.
[Schramm, Vern] Yeshiva Univ Albert Einstein Coll Med, Dept Biochem, Bronx, NY 10461 USA.
RP Henderson, PT (reprint author), Lawrence Livermore Natl Lab, Chem Mat Earth & Life Sci Directorate, 7000 E Ave,L-452, Livermore, CA 94551 USA.
EM henderson48@llnl.gov
RI Hah, Sang Soo/D-2621-2011
FU NCI NIH HHS [P01 CA055861, CA55861]; NCRR NIH HHS [RR13461, P41
RR013461]
NR 49
TC 17
Z9 19
U1 0
U2 2
PU OXFORD UNIV PRESS
PI OXFORD
PA GREAT CLARENDON ST, OXFORD OX2 6DP, ENGLAND
SN 0305-1048
EI 1362-4962
J9 NUCLEIC ACIDS RES
JI Nucleic Acids Res.
PD JAN
PY 2008
VL 36
IS 1
BP 228
EP 236
DI 10.1093/nar/gkm1032
PG 9
WC Biochemistry & Molecular Biology
SC Biochemistry & Molecular Biology
GA 253VG
UT WOS:000252545100029
PM 18025045
ER
PT J
AU Harris, MA
Deegan, JI
Lomax, J
Ashburner, M
Tweedie, S
Carbon, S
Lewis, S
Mungall, C
Day-Richter, J
Eilbeck, K
Blake, JA
Bult, C
Diehl, AD
Dolan, M
Drabkin, H
Eppig, JT
Hill, DP
Ni, L
Ringwald, M
Balakrishnan, R
Binkley, G
Cherry, JM
Christie, KR
Costanzo, MC
Dong, Q
Engel, SR
Fisk, DG
Hirschman, JE
Hitz, BC
Hong, EL
Krieger, CJ
Miyasato, SR
Nash, RS
Park, J
Skrzypek, MS
Weng, S
Wong, ED
Zhu, KK
Botstein, D
Dolinski, K
Livstone, MS
Oughtred, R
Berardini, T
Li, DH
Rhee, SY
Apweiler, R
Barrell, D
Camon, E
Dimmer, E
Huntley, R
Mulder, N
Khodiyar, VK
Lovering, RC
Povey, S
Chisholm, R
Fey, P
Gaudet, P
Kibbe, W
Kishore, R
Schwarz, EM
Sternberg, P
Van Auken, K
Giglio, MG
Hannick, L
Wortman, J
Aslett, M
Berriman, M
Wood, V
Jacob, H
Laulederkind, S
Petri, V
Shimoyama, M
Smith, J
Twigger, S
Jaiswal, P
Seigfried, T
Howe, D
Westerfield, M
Collmer, C
Torto-Alalibo, T
Feltrin, E
Valle, G
Bromberg, S
Burgess, S
McCarthy, F
AF Harris, Midori A.
Deegan, Jennifer I.
Lomax, Jane
Ashburner, Michael
Tweedie, Susan
Carbon, Seth
Lewis, Suzanna
Mungall, Chris
Day-Richter, John
Eilbeck, Karen
Blake, Judith A.
Bult, Carol
Diehl, Alexander D.
Dolan, Mary
Drabkin, Harold
Eppig, Janan T.
Hill, David P.
Ni, Li
Ringwald, Martin
Balakrishnan, Rama
Binkley, Gail
Cherry, J. Michael
Christie, Karen R.
Costanzo, Maria C.
Dong, Qing
Engel, Stacia R.
Fisk, Dianna G.
Hirschman, Jodi E.
Hitz, Benjamin C.
Hong, Eurie L.
Krieger, Cynthia J.
Miyasato, Stuart R.
Nash, Robert S.
Park, Julie
Skrzypek, Marek S.
Weng, Shuai
Wong, Edith D.
Zhu, Kathy K.
Botstein, David
Dolinski, Kara
Livstone, Michael S.
Oughtred, Rose
Berardini, Tanya
Li, Donghui
Rhee, Seung Y.
Apweiler, Rolf
Barrell, Daniel
Camon, Evelyn
Dimmer, Emily
Huntley, Rachael
Mulder, Nicola
Khodiyar, Varsha K.
Lovering, Ruth C.
Povey, Sue
Chisholm, Rex
Fey, Petra
Gaudet, Pascale
Kibbe, Warren
Kishore, Ranjana
Schwarz, Erich M.
Sternberg, Paul
Van Auken, Kimberly
Giglio, Michelle Gwinn
Hannick, Linda
Wortman, Jennifer
Aslett, Martin
Berriman, Matthew
Wood, Valerie
Jacob, Howard
Laulederkind, Stan
Petri, Victoria
Shimoyama, Mary
Smith, Jennifer
Twigger, Simon
Jaiswal, Pankaj
Seigfried, Trent
Howe, Doug
Westerfield, Monte
Collmer, Candace
Torto-Alalibo, Trudy
Feltrin, Erika
Valle, Giorgio
Bromberg, Susan
Burgess, Shane
McCarthy, Fiona
CA Gene Ontology Consortium
TI The Gene Ontology project in 2008
SO NUCLEIC ACIDS RESEARCH
LA English
DT Article
ID SEQUENCE ONTOLOGY; RESOURCE; UNIFICATION; GENOME; TOOL
AB The Gene Ontology (GO) project (http://www.geneontology.org) provides a set of structured, controlled vocabularies for community use in annotating genes, gene products and sequences (also see http://www.sequenceontology.org/). The ontologies have been extended and refined for several biological areas, and improvements to the structure of the ontologies have been implemented. To improve the quantity and quality of gene product annotations available from its public repository, the GO Consortium has launched a focused effort to provide comprehensive and detailed annotation of orthologous genes across a number of reference genomes, including human and several key model organisms. Software developments include two releases of the ontology-editing tool OBO-Edit, and improvements to the AmiGO browser interface.
C1 [Ashburner, Michael; Tweedie, Susan] Univ Cambridge, Dept Genet, Cambridge CB2 3EH, England.
[Carbon, Seth; Lewis, Suzanna; Mungall, Chris; Day-Richter, John] BBOP, LBNL, Berkeley, CA USA.
[Eilbeck, Karen] Univ Utah, Eccles Inst Human Genet, Salt Lake City, UT USA.
[Lomax, Jane] GO EBI, Hinxton, England.
[Blake, Judith A.; Bult, Carol; Diehl, Alexander D.; Dolan, Mary; Drabkin, Harold; Eppig, Janan T.; Hill, David P.; Ni, Li; Ringwald, Martin] Jackson Lab, MGI, Bar Harbor, ME 04609 USA.
[Balakrishnan, Rama; Binkley, Gail; Cherry, J. Michael; Christie, Karen R.; Costanzo, Maria C.; Dong, Qing; Engel, Stacia R.; Fisk, Dianna G.; Hirschman, Jodi E.; Hitz, Benjamin C.; Hong, Eurie L.; Krieger, Cynthia J.; Miyasato, Stuart R.; Nash, Robert S.; Park, Julie; Skrzypek, Marek S.; Weng, Shuai; Wong, Edith D.; Zhu, Kathy K.] Stanford Univ, Dept Genet, SGD, Stanford, CA 94305 USA.
[Botstein, David; Dolinski, Kara; Livstone, Michael S.; Oughtred, Rose] Princeton Univ, Lewis Sigler Inst Integrat Genom, Princeton, NJ 08544 USA.
[Berardini, Tanya; Li, Donghui; Rhee, Seung Y.] Carnegie Inst, TAIR, Dept Plant Biol, Stanford, CA USA.
[Apweiler, Rolf; Barrell, Daniel; Camon, Evelyn; Dimmer, Emily; Huntley, Rachael; Mulder, Nicola] EBI, UniProt, GOA Database, Hinxton, England.
[Khodiyar, Varsha K.; Lovering, Ruth C.; Povey, Sue] UCL, London, England.
[Chisholm, Rex; Fey, Petra; Gaudet, Pascale; Kibbe, Warren] Northwestern Univ, Chicago, IL 60611 USA.
[Kishore, Ranjana; Schwarz, Erich M.; Sternberg, Paul; Van Auken, Kimberly] CALTECH, Pasadena, CA USA.
[Giglio, Michelle Gwinn; Hannick, Linda; Wortman, Jennifer] J Craig Venter Inst, Rockville, MD USA.
[Aslett, Martin; Berriman, Matthew; Wood, Valerie] Wellcome Trust Sanger Inst, Hinxton, England.
[Jacob, Howard; Laulederkind, Stan; Petri, Victoria; Shimoyama, Mary; Smith, Jennifer; Twigger, Simon] Med Coll Wisconsin, RGD, Milwaukee, WI 53226 USA.
[Jaiswal, Pankaj] Cornell Univ, Dept Plant Breeding, Ithaca, NY USA.
[Seigfried, Trent] UDSA, ARS, MaizeGDB, Ames, IA USA.
[Howe, Doug; Westerfield, Monte] Univ Oregon, ZFIN, Eugene, OR 97403 USA.
[Collmer, Candace] Wells Coll, PAMGO, Aurora, NY USA.
[Feltrin, Erika; Valle, Giorgio] Univ Padua, CRIBI, I-35100 Padua, Italy.
[Bromberg, Susan; Burgess, Shane; McCarthy, Fiona] Mississippi State Univ, Mississippi State, MS 39762 USA.
EM midori@ebi.ac.uk
RI Berriman, Matthew/A-7618-2011; Kibbe, Warren/B-2106-2010; Fey,
Petra/O-5977-2015; Diehl, Alexander/G-9883-2016; Jaiswal,
Pankaj/H-7599-2016; Huntley, Rachael/R-1036-2016;
OI Kibbe, Warren/0000-0001-5622-7659; Fey, Petra/0000-0002-4532-2703;
Diehl, Alexander/0000-0001-9990-8331; Jaiswal,
Pankaj/0000-0002-1005-8383; Huntley, Rachael/0000-0001-6718-3559; VALLE,
GIORGIO/0000-0003-4377-5685
NR 18
TC 228
Z9 237
U1 5
U2 29
PU OXFORD UNIV PRESS
PI OXFORD
PA GREAT CLARENDON ST, OXFORD OX2 6DP, ENGLAND
SN 0305-1048
J9 NUCLEIC ACIDS RES
JI Nucleic Acids Res.
PD JAN
PY 2008
VL 36
SI SI
BP D440
EP D444
DI 10.1093/nar/gkm883
PG 5
WC Biochemistry & Molecular Biology
SC Biochemistry & Molecular Biology
GA 253VJ
UT WOS:000252545400079
ER
PT J
AU Kuiken, C
Hraber, P
Thurmond, J
Yusim, K
AF Kuiken, Carla
Hraber, Peter
Thurmond, James
Yusim, Karina
TI The hepatitis C sequence database in Los Alamos
SO NUCLEIC ACIDS RESEARCH
LA English
DT Article
ID VIRUS GENOTYPES; SYSTEM
AB The hepatitis C virus (HCV) is a significant public health threat worldwide. The virus is highly variable and evolves rapidly, making it an elusive target for the immune system and for vaccine and drug design. Presently, similar to 50 000 HCV sequences have been published. A central website that provides annotated sequences and analysis tools will be helpful to HCV scientists worldwide. The HCV sequence database collects and annotates sequence data, and provides them to the public via a website that contains a user-friendly search interface and a large number of sequence analysis tools, following the model of the highly regarded and widely used Los Alamos HIV database. The HCV website can be accessed via http://hcv.lanl.gov and http://hcv-db.org.
C1 [Kuiken, Carla; Hraber, Peter; Thurmond, James; Yusim, Karina] Los Alamos Natl Lab, HCV Database, Los Alamos, NM 87545 USA.
RP Kuiken, C (reprint author), Los Alamos Natl Lab, HCV Database, Los Alamos, NM 87545 USA.
EM kuiken@lanl.gov
OI Hraber, Peter/0000-0002-2920-4897
NR 17
TC 52
Z9 53
U1 0
U2 2
PU OXFORD UNIV PRESS
PI OXFORD
PA GREAT CLARENDON ST, OXFORD OX2 6DP, ENGLAND
SN 0305-1048
J9 NUCLEIC ACIDS RES
JI Nucleic Acids Res.
PD JAN
PY 2008
VL 36
SI SI
BP D512
EP D516
DI 10.1093/nar/gkm962
PG 5
WC Biochemistry & Molecular Biology
SC Biochemistry & Molecular Biology
GA 253VJ
UT WOS:000252545400091
PM 18025038
ER
PT J
AU Liolios, K
Mavromatis, K
Tavernarakis, N
Kyrpides, NC
AF Liolios, Konstantinos
Mavromatis, Konstantinos
Tavernarakis, Nektarios
Kyrpides, Nikos C.
TI The Genomes On Line Database (GOLD) in 2007: status of genomic and
metagenomic projects and their associated metadata
SO NUCLEIC ACIDS RESEARCH
LA English
DT Article
ID SEQUENCE DATABASE; WORLD-WIDE; MONITOR
AB The Genomes On Line Database (GOLD) is a comprehensive resource that provides information on genome and metagenome projects worldwide. Complete and ongoing projects and their associated metadata can be accessed in GOLD through pre-computed lists and a search page. As of September 2007, GOLD contains information on more than 2900 sequencing projects, out of which 639 have been completed and their sequence data deposited in the public databases. GOLD continues to expand with the goal of providing metadata information related to the projects and the organisms/environments towards the Minimum Information about a Genome Sequence (MIGS) guideline. GOLD is available at http://www.genomesonline.org and has a mirror site at the Institute of Molecular Biology and Biotechnology, Crete, Greece at http://gold.imbb.forth.gr/.
C1 [Mavromatis, Konstantinos; Kyrpides, Nikos C.] Joint Genome Inst, Genome Biol Program, Walnet Creek, CA USA.
[Liolios, Konstantinos] Univ Chicago, Dept Med, Chicago, IL 60637 USA.
[Tavernarakis, Nektarios] Fdn Res & Technol, Inst Mol Biol & Biotechnol, Iraklion, Crete, Greece.
RP Kyrpides, NC (reprint author), Joint Genome Inst, Genome Biol Program, 2800 Mitchell Dr, Walnet Creek, CA USA.
EM nckyrpides@lbl.gov
RI Tavernarakis, Nektarios/B-9684-2013; Kyrpides, Nikos/A-6305-2014
OI Tavernarakis, Nektarios/0000-0002-5253-1466; Kyrpides,
Nikos/0000-0002-6131-0462
NR 17
TC 249
Z9 259
U1 0
U2 12
PU OXFORD UNIV PRESS
PI OXFORD
PA GREAT CLARENDON ST, OXFORD OX2 6DP, ENGLAND
SN 0305-1048
J9 NUCLEIC ACIDS RES
JI Nucleic Acids Res.
PD JAN
PY 2008
VL 36
SI SI
BP D475
EP D479
DI 10.1093/nar/gkm884
PG 5
WC Biochemistry & Molecular Biology
SC Biochemistry & Molecular Biology
GA 253VJ
UT WOS:000252545400085
PM 17981842
ER
PT J
AU Markowitz, VM
Szeto, E
Palaniappan, K
Grechkin, Y
Chu, K
Chen, IMA
Dubchak, I
Anderson, I
Lykidis, A
Mavromatis, K
Ivanova, NN
Kyrpides, NC
AF Markowitz, Victor M.
Szeto, Ernest
Palaniappan, Krishna
Grechkin, Yuri
Chu, Ken
Chen, I-Min A.
Dubchak, Inna
Anderson, Iain
Lykidis, Athanasios
Mavromatis, Konstantinos
Ivanova, Natalia N.
Kyrpides, Nikos C.
TI The integrated microbial genomes (IMG) system in 2007: data content and
analysis tool extensions
SO NUCLEIC ACIDS RESEARCH
LA English
DT Article
ID PROTEIN FAMILIES; NCBI
AB The integrated microbial genomes (IMG) system is a data management, analysis and annotation platform for all publicly available genomes. IMG contains both draft and complete JGI microbial genomes integrated with all other publicly available genomes from all three domains of life, together with a large number of plasmids and viruses. IMG provides tools and viewers for analyzing and annotating genomes, genes and functions, individually or in a comparative context. Since its first release in 2005, IMGs data content and analytical capabilities have been constantly expanded through quarterly releases. IMG is provided by the DOE-Joint Genome Institute (JGI) and is available from http://img.jgi.doe.gov.
C1 [Markowitz, Victor M.; Szeto, Ernest; Palaniappan, Krishna; Grechkin, Yuri; Chu, Ken; Chen, I-Min A.] Univ Calif Berkeley, Lawrence Berkeley Lab, Biol Data Management & Technol Ctr, Berkeley, CA 94720 USA.
[Dubchak, Inna] Univ Calif Berkeley, Lawrence Berkeley Lab, Genom Div, Berkeley, CA 94720 USA.
[Anderson, Iain; Lykidis, Athanasios; Mavromatis, Konstantinos; Ivanova, Natalia N.; Kyrpides, Nikos C.] Joint Genome Inst, Dept Energy, Genome Biol Program, Walnut Creek, CA USA.
RP Kyrpides, NC (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, Biol Data Management & Technol Ctr, 1 Cyclotron Rd, Berkeley, CA 94720 USA.
EM nckyrpides@lbl.gov
RI Kyrpides, Nikos/A-6305-2014
OI Kyrpides, Nikos/0000-0002-6131-0462
NR 22
TC 142
Z9 143
U1 2
U2 7
PU OXFORD UNIV PRESS
PI OXFORD
PA GREAT CLARENDON ST, OXFORD OX2 6DP, ENGLAND
SN 0305-1048
J9 NUCLEIC ACIDS RES
JI Nucleic Acids Res.
PD JAN
PY 2008
VL 36
SI SI
BP D528
EP D533
DI 10.1093/nar/gkm846
PG 6
WC Biochemistry & Molecular Biology
SC Biochemistry & Molecular Biology
GA 253VJ
UT WOS:000252545400095
PM 17933782
ER
PT J
AU Markowitz, VM
Ivanova, NN
Szeto, E
Palaniappan, K
Chu, K
Dalevi, D
Chen, IMA
Grechkin, Y
Dubchak, I
Anderson, I
Lykidis, A
Mavromatis, K
Hugenholtz, P
Kyrpides, NC
AF Markowitz, Victor M.
Ivanova, Natalia N.
Szeto, Ernest
Palaniappan, Krishna
Chu, Ken
Dalevi, Daniel
Chen, I-Min A.
Grechkin, Yuri
Dubchak, Inna
Anderson, Iain
Lykidis, Athanasios
Mavromatis, Konstantinos
Hugenholtz, Philip
Kyrpides, Nikos C.
TI IMG/M: a data management and analysis system for metagenomes
SO NUCLEIC ACIDS RESEARCH
LA English
DT Article
ID MICROBIAL COMMUNITIES; PROTEIN FAMILIES; GUT MICROBIOME; GENOMES
AB IMG/M is a data management and analysis system for microbial community genomes (metagenomes) hosted at the Department of Energys (DOE) Joint Genome Institute (JGI). IMG/M consists of metagenome data integrated with isolate microbial genomes from the Integrated Microbial Genomes (IMG) system. IMG/M provides IMGs comparative data analysis tools extended to handle metagenome data, together with metagenome-specific analysis tools. IMG/M is available at http://img.jgi.doe.gov/m.
C1 [Markowitz, Victor M.; Szeto, Ernest; Palaniappan, Krishna; Chu, Ken; Dalevi, Daniel; Chen, I-Min A.; Grechkin, Yuri] Univ Calif Berkeley, Lawrence Berkeley Lab, Biol Data Management & Technol Ctr, Berkeley, CA 94720 USA.
[Dubchak, Inna] Univ Calif Berkeley, Lawrence Berkeley Lab, Genome Div, Berkeley, CA 94720 USA.
[Hugenholtz, Philip] Joint Genome Inst, Microbial Ecol Program, Dept Energy, Walnut Creek, CA USA.
[Ivanova, Natalia N.; Anderson, Iain; Lykidis, Athanasios; Mavromatis, Konstantinos; Kyrpides, Nikos C.] Joint Genome Inst, Genome Biol Program, Dept Energy, Walnut Creek, CA USA.
RP Kyrpides, NC (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, Biol Data Management & Technol Ctr, 1 Cyclotron Rd, Berkeley, CA 94720 USA.
EM nckyrpides@lbl.gov
RI Hugenholtz, Philip/G-9608-2011; Kyrpides, Nikos/A-6305-2014;
OI Kyrpides, Nikos/0000-0002-6131-0462; hugenholtz,
philip/0000-0001-5386-7925
NR 18
TC 193
Z9 196
U1 3
U2 24
PU OXFORD UNIV PRESS
PI OXFORD
PA GREAT CLARENDON ST, OXFORD OX2 6DP, ENGLAND
SN 0305-1048
J9 NUCLEIC ACIDS RES
JI Nucleic Acids Res.
PD JAN
PY 2008
VL 36
SI SI
BP D534
EP D538
DI 10.1093/nar/gkm869
PG 5
WC Biochemistry & Molecular Biology
SC Biochemistry & Molecular Biology
GA 253VJ
UT WOS:000252545400096
PM 17932063
ER
PT J
AU Squires, B
Macken, C
Garcia-Sastre, A
Godbole, S
Noronha, J
Hunt, V
Chang, R
Larsen, CN
Klem, E
Biersack, K
Scheuermann, RH
AF Squires, Burke
Macken, Catherine
Garcia-Sastre, Adolfo
Godbole, Shubhada
Noronha, Jyothi
Hunt, Victoria
Chang, Roger
Larsen, Christopher N.
Klem, Ed
Biersack, Kevin
Scheuermann, Richard H.
TI BioHealthBase: informatics support in the elucidation of influenza virus
hostpathogen interactions and virulence
SO NUCLEIC ACIDS RESEARCH
LA English
DT Article
ID MODEL
AB The BioHealthBase Bioinformatics Resource Center (BRC) (http://www.biohealthbase.org) is a public bioinformatics database and analysis resource for the study of specific biodefense and public health pathogensInfluenza virus, Francisella tularensis, Mycobacterium tuberculosis, Microsporidia species and ricin toxin. The BioHealthBase serves as an extensive integrated repository of data imported from public databases, data derived from various computational algorithms and information curated from the scientific literature. The goal of the BioHealthBase is to facilitate the development of therapeutics, diagnostics and vaccines by integrating all available data in the context of hostpathogen interactions, thus allowing researchers to understand the root causes of virulence and pathogenicity. Genome and protein annotations can be viewed either as formatted text or graphically through a genome browser. 3D visualization capabilities allow researchers to view proteins with key structural and functional features highlighted. Influenza virus hostpathogen interactions at the molecular/cellular and systemic levels are represented. Host immune response to influenza infection is conveyed through the display of experimentally determined antibody and T-cell epitopes curated from the scientific literature or as derived from computational predictions. At the molecular/cellular level, the BioHealthBase BRC has developed biological pathway representations relevant to influenza virus hostpathogen interaction in collaboration with the Reactome database (http://www.reactome.org).
C1 [Squires, Burke; Godbole, Shubhada; Noronha, Jyothi; Hunt, Victoria; Chang, Roger; Scheuermann, Richard H.] Univ Texas SW Med Ctr Dallas, Dallas, TX 75390 USA.
[Macken, Catherine] Los Alamos Natl Lab, Los Alamos, NM USA.
[Garcia-Sastre, Adolfo] Mt Sinai Sch Med, New York, NY USA.
[Larsen, Christopher N.] Vecna Technol, College Pk, MD USA.
[Klem, Ed; Biersack, Kevin] Northrop Grumman IT, Rockville, MD USA.
RP Scheuermann, RH (reprint author), Univ Texas SW Med Ctr Dallas, Dallas, TX 75390 USA.
EM richard.scheuermann@utsouthwestern.edu
OI Garcia-Sastre, Adolfo/0000-0002-6551-1827; Scheuermann,
Richard/0000-0003-1355-892X; Squires, R Burke/0000-0001-9666-6285;
Larsen, Christopher N/0000-0002-1051-5767
FU NIAID NIH HHS [N01-AI40041, N01AI40041]
NR 15
TC 52
Z9 52
U1 1
U2 3
PU OXFORD UNIV PRESS
PI OXFORD
PA GREAT CLARENDON ST, OXFORD OX2 6DP, ENGLAND
SN 0305-1048
J9 NUCLEIC ACIDS RES
JI Nucleic Acids Res.
PD JAN
PY 2008
VL 36
SI SI
BP D497
EP D503
DI 10.1093/nar/gkm905
PG 7
WC Biochemistry & Molecular Biology
SC Biochemistry & Molecular Biology
GA 253VJ
UT WOS:000252545400089
PM 17965094
ER
PT J
AU Su, C
Peregrin-Alvarez, JM
Butland, G
Phanse, S
Fong, V
Emili, A
Parkinson, J
AF Su, Chong
Peregrin-Alvarez, Jose M.
Butland, Gareth
Phanse, Sadhna
Fong, Vincent
Emili, Andrew
Parkinson, John
TI Bacteriome.org - an integrated protein interaction database for E-coli
SO NUCLEIC ACIDS RESEARCH
LA English
DT Article
ID SACCHAROMYCES-CEREVISIAE; INTERACTION NETWORKS; INTERACTION MAP;
COMPLEXES; CYTOSCAPE; PROFILES; GENES; K-12
AB High throughput methods are increasingly being used to examine the functions and interactions of gene products on a genome-scale. These include systematic large-scale proteomic studies of protein complexes and proteinprotein interaction networks, functional genomic studies examining patterns of gene expression and comparative genomics studies examining patterns of conservation. Since these datasets offer different yet highly complementary perspectives on cell behavior it is expected that integration of these datasets will lead to conceptual advances in our understanding of the fundamental design and evolutionary principles that underlie the organization and function of proteins within biochemical pathways. Here we present Bacteriome.org, a resource that combines locally generated interaction and evolutionary datasets with a previously generated knowledgebase, to provide an integrated view of the Escherichia coli interactome. Tools are provided which allow the user to select and visualize functional, evolutionary and structural relationships between groups of interacting proteins and to focus on genes of interest. Currently the database contains three interaction datasets: a functional dataset consisting of 3989 interactions between 1927 proteins; a core high quality experimental dataset of 4863 interactions between 1100 proteins and an extended experimental dataset of 9860 interactions between 2131 proteins. Bacteriome.org is available online at http://www.bacteriome.org.
C1 [Su, Chong; Peregrin-Alvarez, Jose M.; Parkinson, John] Hosp Sick Children, Toronto, ON M5G 1X8, Canada.
[Peregrin-Alvarez, Jose M.] Univ Malaga, Dept Mol Biol & Biochem, E-29071 Malaga, Spain.
[Butland, Gareth; Phanse, Sadhna; Fong, Vincent; Emili, Andrew] Univ Toronto, Donnelly Ctr Cellular & Biomol Res, Toronto, ON M5S 3E1, Canada.
[Butland, Gareth] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Life Sci, Berkeley, CA 94720 USA.
[Emili, Andrew; Parkinson, John] Univ Toronto, Dept Mol & Med Genet, Toronto, ON M5S 1A1, Canada.
[Parkinson, John] Univ Toronto, Dept Biochem, Toronto, ON M5S 1A1, Canada.
RP Parkinson, J (reprint author), Hosp Sick Children, 555 Univ Ave, Toronto, ON M5G 1X8, Canada.
EM jparkin@sickkids.ca
RI Parkinson, John/A-4424-2008;
OI Parkinson, John/0000-0001-9815-1189; Peregrin-Alvarez, Jose
M/0000-0002-7184-832X
NR 26
TC 31
Z9 32
U1 0
U2 1
PU OXFORD UNIV PRESS
PI OXFORD
PA GREAT CLARENDON ST, OXFORD OX2 6DP, ENGLAND
SN 0305-1048
J9 NUCLEIC ACIDS RES
JI Nucleic Acids Res.
PD JAN
PY 2008
VL 36
SI SI
BP D632
EP D636
DI 10.1093/nar/gkm807
PG 5
WC Biochemistry & Molecular Biology
SC Biochemistry & Molecular Biology
GA 253VJ
UT WOS:000252545400113
PM 17942431
ER
PT J
AU Chenna, A
Gupta, RC
Bonala, RR
Johnson, F
Hang, B
AF Chenna, Ahmed
Gupta, Ramesh C.
Bonala, Radha R.
Johnson, Francis
Hang, Bo
TI Synthesis of the fully protected phosphoramidite of the benzene-DNA
adduct, N(2)-(4-hydroxyphenyl)-2 '-deoxyguanosine and incorporation of
the later into DNA oligomers
SO NUCLEOSIDES NUCLEOTIDES & NUCLEIC ACIDS
LA English
DT Article
DE benzene DNA adduct; hydroquinone; p-benzoquinone; buchwald-hartwig
reaction; N(2)-(4-hydroxyphenyl)-2 '-deoxyguanosine
ID SITE-SPECIFIC INCORPORATION; HUMAN AP ENDONUCLEASE; P-BENZOQUINONE;
METABOLITES; OLIGONUCLEOTIDES; CELLS; IDENTIFICATION; HYDROQUINONE;
3'-PHOSPHATE; CLEAVAGE
AB N(2)-(4-Hydroxyphenyl)-2'-deoxyguanosine-5'-O-DMT-3'-phosphoramidite has been synthesized and used to incorporate the N(2)-(4-hydroxyphenyl)-2'-dG (N(2)-4-HOPh-dG) into DNA, using solid-state synthesis technology. The key step to obtaining the xenonucleoside is a palladium (Xantphos-chelated) catalyzed N(2)-arylation (Buchwald-Hartwig reaction) of a fully protected 2'-deoxyguanosine derivative by 4-isobutyryloxybromobenzene. The reaction proceeded in good yield and the adduct was converted to the required 5'-O-DMT-3'-O-phosphoramidite by standard methods. The latter was used to synthesize oligodeoxynucleotides in which the N(2)-4-HOPh-dG adduct was incorporated site-specifically. The oligomers were purified by reverse-phase HPLC. Enzymatic hydrolysis and HPLC analysis confirmed the presence of this adduct in the oligomers.
C1 [Hang, Bo] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Life Sci, Dept Genome Stabil, Berkeley, CA 94720 USA.
[Gupta, Ramesh C.; Bonala, Radha R.; Johnson, Francis] Chem Master Int Inc, Stony Brook, NY USA.
[Chenna, Ahmed] Monogram Biosci Inc, San Francisco, CA USA.
RP Hang, B (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, Div Life Sci, Dept Genome Stabil, Berkeley, CA 94720 USA.
EM Bo_hang@lbl.gov
FU NCI NIH HHS [CA72079]
NR 31
TC 2
Z9 2
U1 1
U2 4
PU TAYLOR & FRANCIS INC
PI PHILADELPHIA
PA 325 CHESTNUT ST, SUITE 800, PHILADELPHIA, PA 19106 USA
SN 1525-7770
J9 NUCLEOS NUCLEOT NUCL
JI Nucleosides Nucleotides Nucleic Acids
PY 2008
VL 27
IS 8
BP 979
EP 991
DI 10.1080/15257770802258034
PG 13
WC Biochemistry & Molecular Biology
SC Biochemistry & Molecular Biology
GA 336NN
UT WOS:000258371000006
PM 18696366
ER
PT J
AU Carrington, DB
AF Carrington, David B.
TI A parallel first-order spherical harmonics (P-1) matrix-free method for
radiative transport
SO NUMERICAL HEAT TRANSFER PART B-FUNDAMENTALS
LA English
DT Article
ID TIME-INTEGRATION METHODS; HEAT-TRANSFER; DIFFUSION; MODEL
AB Radiative transfer in participating media is modeled using a first-order spherical harmonics (P-1), or its degenerate form, diffusion. The equations are discretized on an unstructured grid. The method uses a matrix-free algorithm employing an iterative solver from the Preconditioned Conjugate Gradient (PCG) solver package developed by Joubert and Carey [1]. The algorithm couples radiation transport and conduction, by casting them into a Picard iteration. Compared are solutions for two participating media problems indicating the method to be first-order accurate in time. Parallel scaling of the matrix-free method with use of in-situ preconditioners, symmetric successive overrelaxation (SSOR) and block Jacobi, are reported.
C1 Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA.
RP Carrington, DB (reprint author), Los Alamos Natl Lab, Div Theoret, T-3 Fluid Dynam,MS-B216,POB 1663, Los Alamos, NM 87545 USA.
EM dcrrngtn@lanl.gov
NR 27
TC 1
Z9 1
U1 0
U2 0
PU TAYLOR & FRANCIS INC
PI PHILADELPHIA
PA 530 WALNUT STREET, STE 850, PHILADELPHIA, PA 19106 USA
SN 1040-7790
EI 1521-0626
J9 NUMER HEAT TR B-FUND
JI Numer Heat Tranf. B-Fundam.
PY 2008
VL 53
IS 2
BP 97
EP 117
DI 10.1080/10407790701703427
PG 21
WC Thermodynamics; Mechanics
SC Thermodynamics; Mechanics
GA 251DS
UT WOS:000252352100001
ER
PT J
AU Glaze, DJ
Yoon, SS
Hewson, JC
DesJardin, PE
AF Glaze, David J.
Yoon, Sam S.
Hewson, John C.
DesJardin, Paul E.
TI Modeling transport phenomena of high mass loadings with applications to
fire suppression
SO NUMERICAL HEAT TRANSFER PART B-FUNDAMENTALS
LA English
DT Article
ID NONSPHERICAL PARTICLES; VISCOUS-FLUID; WATER SPRAY; PREDICTION; MOTION;
SIMULATION; SPHERE; DRAG; FLOW
AB Improvements to the existing Eulerian-Lagrangian two-phase dilute spray model, referred to as Vulcan, are required in order to handle high mass loadings or very small solid particles. Such flows are relevant to modern fire-suppression techniques among other applications. These improvements include developing a new treatment for efficiently integrating small particles, a new subcycling time-step selection algorithm for the time-splitting solution technique, and a new treatment for placement of the two-way coupling source terms on the fluid grid. Despite the added complexity of these modifications, performance tuning of the code was also performed so that the solution speed is either equivalent to or faster than the previous code, depending on particle size. The new algorithms are applied to predicting suppressant distribution from a Goodrich-244 fire-suppression system in a simulated aircraft cargo bay. Results using these new algorithms indicate that the larger particles found in the Goodrich-244 suppressant disperse more uniformly throughout the aircraft cargo bay, although a large fraction of these particles adhere to the side walls before being delivered to the fire. Buoyancy of the hot combustion products was found to inhibit particle dispersion, and to generate large unwanted convective heat fluxes to the roof of the cargo bay.
C1 [Yoon, Sam S.] Korea Univ, Dept Mech Engn, Seoul 136713, South Korea.
[Glaze, David J.; Hewson, John C.] Sandia Natl Labs, Albuquerque, NM 87185 USA.
[DesJardin, Paul E.] SUNY Buffalo, Dept Mech & Aerosp Engn, Buffalo, NY 14260 USA.
RP Yoon, SS (reprint author), Korea Univ, Dept Mech Engn, Anamdong,5-Ga, Seoul 136713, South Korea.
EM skyoon@korea.ac.kr
NR 24
TC 3
Z9 3
U1 0
U2 4
PU TAYLOR & FRANCIS INC
PI PHILADELPHIA
PA 325 CHESTNUT ST, SUITE 800, PHILADELPHIA, PA 19106 USA
SN 1040-7790
J9 NUMER HEAT TR B-FUND
JI Numer Heat Tranf. B-Fundam.
PY 2008
VL 53
IS 2
BP 118
EP 142
DI 10.1080/10407790701702999
PG 25
WC Thermodynamics; Mechanics
SC Thermodynamics; Mechanics
GA 251DS
UT WOS:000252352100002
ER
PT B
AU Bonfiglioli, A
Carpentieri, B
Sosonkina, M
AF Bonfiglioli, A.
Carpentieri, B.
Sosonkina, M.
BE Kunisch, K
Of, G
Steinbach, O
TI Performance Analysis of Parallel Algebraic Preconditioners for Solving
the BANS Equations Using Fluctuation Splitting Schemes
SO NUMERICAL MATHEMATICS AND ADVANCED APPLICATIONS
LA English
DT Proceedings Paper
CT 7th European Conference on Numerical Mathematics and Advanced
Applications (ENUMATH 2007)
CY SEP 10-14, 2007
CL Graz, AUSTRIA
SP Austrian Minist Sci & Res, State Styria, Assoc Appl Math & Mech, Graz Univ Technol, Karl Franzens Univ Graz
ID NAVIER-STOKES EQUATIONS
AB We consider iterative solution strategies for solving the Reynolds-Favre averaged Navier-Stokes (RANS) equations on 2D and 3D flow configurations. The novelty of this study is the coupling of an hybrid class of methods for the space discretization, called Fluctuation Splitting (or residual distribution) schemes, and a fully coupled Newton algorithm for solving the RANS equations. This approach is particularly attractive for parallel computations because it gives rise to discretization matrices with a compact stencil resulting in a limited number of nonzero entries. In this paper, we present the solution approach and report on results of numerical experiments with particular emphasis on the design of preconditioners for the inner linear system, which is a critical computational issue of the iterative solution.
C1 [Bonfiglioli, A.] Univ Basilicata, Dipto Ingn & Fis Ambiente, I-85100 Potenza, Italy.
[Carpentieri, B.] Karl Franzens Univ Graz, Inst Math & Sci Comp, Graz, Austria.
[Sosonkina, M.] Iowa State Univ, DOE, Ames Lab, Ames, IA USA.
RP Bonfiglioli, A (reprint author), Univ Basilicata, Dipto Ingn & Fis Ambiente, I-85100 Potenza, Italy.
EM ba001ing@unibas.it; bruno.carpentieri@uni-graz.at; masha@scl.ameslab.gov
NR 9
TC 1
Z9 1
U1 0
U2 0
PU SPRINGER-VERLAG BERLIN
PI BERLIN
PA HEIDELBERGER PLATZ 3, D-14197 BERLIN, GERMANY
BN 978-3-540-69776-3
PY 2008
BP 151
EP +
DI 10.1007/978-3-540-69777-0_17
PG 2
WC Mathematics, Applied; Mathematics
SC Mathematics
GA BIN57
UT WOS:000261093100017
ER
PT B
AU Jordan, GC
Fisher, RT
Townsley, DM
Calder, AC
Graziani, C
Asida, S
Lamb, DQ
Truran, JW
AF Jordan, G. C.
Fisher, R. T.
Townsley, D. M.
Calder, A. C.
Graziani, C.
Asida, S.
Lamb, D. Q.
Truran, J. W.
BE Pogorelov, NV
Audit, E
Zank, GP
TI Preliminary results of three-dimensional simulations of the deflagration
phase of the gravitationally confined detonation model of type Ia
supernovae
SO NUMERICAL MODELING OF SPACE PLASMA FLOWS: ASTRONUM-2007
SE Astronomical Society of the Pacific Conference Series
LA English
DT Proceedings Paper
CT 2nd International Conference on Numerical Modeling of Space Plasma Flows
CY JUN 10-15, 2007
CL Paris, FRANCE
SP Univ Calif Riverside, Inst Geophys & Planetary Phys, Univ French Commissariat Atom Energy, Lab Invest Fundamental Laws, Los Alamos Natl Lab, Inst Lasers & Plasmas, COSMO-GRID Project, Solana Sci Inc
ID THERMONUCLEAR SUPERNOVAE; EXPLOSION; FLAMES; EVOLUTION; CODE
AB We report the results of a series of three-dimensional (3-D) simulations of the deflagration phase of the gravitationally confined detonation mechanism for Type la supernovae. In this mechanism, ignition occurs at one or several off-center points, resulting in a burning bubble of hot ash that rises rapidly, breaks through the surface of the star, and collides at a point opposite breakout on the stellar surface. We find that detonation conditions are robustly reached in our 3-D simulations for a range of initial conditions and resolutions.
C1 [Jordan, G. C.; Fisher, R. T.; Calder, A. C.; Graziani, C.; Lamb, D. Q.; Truran, J. W.] Univ Chicago, Ctr Astrophys Thermonucl Flashes, Chicago, IL 60637 USA.
[Jordan, G. C.; Fisher, R. T.; Townsley, D. M.; Calder, A. C.; Graziani, C.; Lamb, D. Q.; Truran, J. W.] Univ Chicago, Dept Astron & Astrophys, Chicago, IL 60637 USA.
[Townsley, D. M.] Univ Chicago, Joint Inst Nucl Astrophys, Chicago, IL 60637 USA.
[Asida, S.] Hebrew Univ Jerusalem, Racah Inst Phys, IL-91904 Jerusalem, Israel.
[Lamb, D. Q.; Truran, J. W.] Univ Chicago, Enrico Fermi Inst, Chicago, IL 60637 USA.
[Truran, J. W.] Argonne Natl Lab, Argonne, IL 60439 USA.
RP Jordan, GC (reprint author), Univ Chicago, Ctr Astrophys Thermonucl Flashes, Chicago, IL 60637 USA.
EM gjordan@flash.uchicago.edu
FU University of Chicago by the U.S Department of Energy (DOE) [B523820];
National Science Foundation [PHY 02-16783]; Office of Science of the
U.S. Department of Energy [DE-AC03-76SF00098]; NSF [ST-0507456]; Argonne
National Laboratory; DOE [W-31-109-ENG-38]
FX The authors thank Nathan Hearn for discussions of this work and for his
software analysis tools, which were invaluable in the preparation of
this paper. The authors thank the code group in the Flash Center,
especially Anshu Dubey, Lynn Reid, Paul Rich, Dan Sheeler, and Klaus
Weide, for development of the code and for help in running our large
simulations on uP at LLNL. We also thank Brad Gallagher and the
visualization group in the Flash Center for creating the images used in
Figures 1, 2, and 3, and the corresponding movies; and Hank Childs and
the VisIt team at LLNL for help in using VisIt. Finally, we thank LLNL
Computing for help in running our large simulations on uP at LLNL, and
the NERSC support staff at LBNL for help in running them on Bassi and
Seaborg. This work is supported in part at the University of Chicago by
the U.S Department of Energy (DOE) under Contract B523820 to the ASC
Alliances Center for Astrophysical Nuclear Flashes, and in part by the
National Science Foundation under Grant PHY 02-16783 for the Frontier
Center Joint Institute for Nuclear Astrophysics (JINA). This research
used computational resources awarded under the INCITE program at LBNL
NERSC, which is supported by the Office of Science of the U.S.
Department of Energy under Contract No. DE-AC03-76SF00098. ACC
acknowledges support from NSF Grant ST-0507456. JWT acknowledges support
from Argonne National Laboratory, which is operated under DOE Contract
No. W-31-109-ENG-38.
NR 29
TC 0
Z9 0
U1 0
U2 0
PU ASTRONOMICAL SOC PACIFIC
PI SAN FRANCISCO
PA 390 ASHTON AVE, SAN FRANCISCO, CA 94112 USA
BN 978-1-58381-333-1
J9 ASTR SOC P
PY 2008
VL 385
BP 97
EP +
PG 2
WC Astronomy & Astrophysics
SC Astronomy & Astrophysics
GA BHQ86
UT WOS:000255550100015
ER
PT B
AU Dubey, A
Fisher, R
Graziani, C
Jordan, GC
Lamb, DQ
Reid, LB
Rich, P
Sheeler, D
Townsley, D
Weide, K
AF Dubey, A.
Fisher, R.
Graziani, C.
Jordan, G. C.
Lamb, D. Q.
Reid, L. B.
Rich, P.
Sheeler, D.
Townsley, D.
Weide, K.
BE Pogorelov, NV
Audit, E
Zank, GP
TI Challenges of extreme computing using the FLASH code
SO NUMERICAL MODELING OF SPACE PLASMA FLOWS: ASTRONUM-2007
SE Astronomical Society of the Pacific Conference Series
LA English
DT Proceedings Paper
CT 2nd International Conference on Numerical Modeling of Space Plasma Flows
CY JUN 10-15, 2007
CL Paris, FRANCE
SP Univ Calif Riverside, Inst Geophys & Planetary Phys, Univ French Commissariat Atom Energy, Lab Invest Fundamental Laws, Los Alamos Natl Lab, Inst Lasers & Plasmas, COSMO-GRID Project, Solana Sci Inc
ID DELAYED DETONATION; IA SUPERNOVAE; SIMULATIONS; EXPLOSION; MODELS
AB FLASH is a modular, adaptive mesh, parallel simulation framework capable of handling the compressible, reactive flows found in many astrophysical environments. FLASH was recently used in a series of three-dimensional simulations of the gravitationally confined detonation mechanism for Type la supernovae on IBM SP-5 platforms at LLNL and NERSC on up to 768 processors. The simulations used multiple physics components, such as hydrodynamics, Newtonian self-gravity, and a sub-grid flame model on an Eulerian adaptive grid. The simulations also used Lagrangian tracer particles to track the nucleosynthetic history. These simulations were a huge challenge not only because of the computational complexity of the problem, but also because of resource constraints. Some components, such as the gravity solver and flame model, had to be algorithmically optimized to increase time efficiency. Other components, such as the tracer particles distribution, grid management, and refinement patterns, were carefully tuned to optimize the memory usage and parallel efficiency.
C1 [Dubey, A.; Fisher, R.; Graziani, C.; Jordan, G. C.; Lamb, D. Q.; Reid, L. B.; Rich, P.; Weide, K.] Univ Chicago, Ctr Astrophys Thermonucl Flashes, Chicago, IL 60637 USA.
[Fisher, R.; Graziani, C.; Jordan, G. C.; Lamb, D. Q.; Townsley, D.] Univ Chicago, Dept Astron & Astrophys, Chicago, IL 60637 USA.
[Townsley, D.] Univ Chicago, Joint Inst Nucl Astrophys, Chicago, IL 60637 USA.
[Sheeler, D.] Argonne Natl Lab, Argonne, IL USA.
RP Dubey, A (reprint author), Univ Chicago, Ctr Astrophys Thermonucl Flashes, Chicago, IL 60637 USA.
EM a-dubey1@uchicago.edu
RI Reid, Lynn/A-7364-2011
FU U.S. Department of Energy [B523820]
FX This work is supported by the U.S. Department of Energy under Grant No.
B523820 to the Center for Astrophysical Thermonuclear Flashes at the
University of Chicago.
NR 16
TC 39
Z9 39
U1 0
U2 0
PU ASTRONOMICAL SOC PACIFIC
PI SAN FRANCISCO
PA 390 ASHTON AVE, SAN FRANCISCO, CA 94112 USA
BN 978-1-58381-333-1
J9 ASTR SOC P
PY 2008
VL 385
BP 145
EP +
PG 2
WC Astronomy & Astrophysics
SC Astronomy & Astrophysics
GA BHQ86
UT WOS:000255550100022
ER
PT B
AU Li, ST
AF Li, Shengtai
BE Pogorelov, NV
Audit, E
Zank, GP
TI A simple dual implementation to track pressure accurately
SO NUMERICAL MODELING OF SPACE PLASMA FLOWS: ASTRONUM-2007
SE ASTRONOMICAL SOCIETY OF THE PACIFIC CONFERENCE SERIES
LA English
DT Proceedings Paper
CT 2nd International Conference on Numerical Modeling of Space Plasma Flows
CY JUN 10-15, 2007
CL Paris, FRANCE
SP Univ Calif Riverside, Inst Geophys & Planetary Phys, Univ French Commissariat Atom Energy, Lab Invest Fundamental Laws, Los Alamos Natl Lab, Inst Lasers & Plasmas, COSMO-GRID Project, Solana Sci Inc
ID APPROXIMATE RIEMANN SOLVER; IDEAL MAGNETOHYDRODYNAMICS; HYDRODYNAMICS;
SCHEMES
AB We propose a new and simple implementation to solve the entropy density equation or internal energy equation while achieving an accurate solution for the pressure in hydrodynamics (HD) and magneto-hydrodynamics (MHD) simulations. The extra computational cost for the new method is negligible without sacrificing its effectiveness to maintain positive pressure.
C1 Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
RP Li, ST (reprint author), Los Alamos Natl Lab, POB 1663, Los Alamos, NM 87545 USA.
NR 8
TC 1
Z9 1
U1 0
U2 0
PU ASTRONOMICAL SOC PACIFIC
PI SAN FRANCISCO
PA 390 ASHTON AVE, SAN FRANCISCO, CA 94112 USA
BN 978-1-58381-333-1
J9 ASTR SOC P
PY 2008
VL 385
BP 273
EP 278
PG 6
WC Astronomy & Astrophysics
SC Astronomy & Astrophysics
GA BHQ86
UT WOS:000255550100039
ER
PT B
AU Weber, GH
Beckner, VE
Childs, H
Ligocki, TJ
Miller, MC
Van Straaleni, B
Bethel, EW
AF Weber, G. H.
Beckner, V. E.
Childs, H.
Ligocki, T. J.
Miller, M. C.
Van Straaleni, B.
Bethel, E. W.
BE Pogorelov, NV
Audit, E
Zank, GP
TI Visualization of scalar adaptive mesh refinement data
SO NUMERICAL MODELING OF SPACE PLASMA FLOWS: ASTRONUM-2007
SE Astronomical Society of the Pacific Conference Series
LA English
DT Proceedings Paper
CT 2nd International Conference on Numerical Modeling of Space Plasma Flows
CY JUN 10-15, 2007
CL Paris, FRANCE
SP Univ Calif Riverside, Inst Geophys & Planetary Phys, Univ French Commissariat Atom Energy, Lab Invest Fundamental Laws, Los Alamos Natl Lab, Inst Lasers & Plasmas, COSMO-GRID Project, Solana Sci Inc
ID MARCHING CUBES; VOLUME DATA; SURFACES
AB Adaptive Mesh Refinement (AMR) is a highly effective computation method for simulations that span a large range of spatiotemporal scales, such as astrophysical simulations, which must accommodate ranges from interstellar to sub-planetary. Most mainstream visualization tools still lack support for AMR grids as a first class data type and AMR code teams use custom built applications for AMR visualization. The Department of Energy's (DOE's) Science Discovery through Advanced Computing (SciDAC) Visualization and Analytics Center for Enabling Technologies (VACET) is currently working on extending VisIt, which is an open source visualization tool that accommodates AMR as a first-class data type. These efforts will bridge the gap between general-purpose visualization applications and highly specialized AMR visual analysis applications. Here, we give an overview of the state of the art in AMR scalar data visualization research.
C1 [Weber, G. H.; Beckner, V. E.; Ligocki, T. J.; Van Straaleni, B.; Bethel, E. W.] Lawrence Berkeley Natl Lab, Computat Res Div, Berkeley, CA 94720 USA.
[Miller, M. C.] Lawrence Livermore Natl Lab, Res Dept, Livermore, CA 94551 USA.
[Miller, M. C.] Lawrence Livermore Natl Lab, Comp Applicat, Livermore, CA 94551 USA.
RP Weber, GH (reprint author), Lawrence Berkeley Natl Lab, Computat Res Div, Berkeley, CA 94720 USA.
FU Director, Office of Advanced Scientific Computing Research; Office of
Science; U.S. Department of Energy [DE-AC02-05CH11231]; Scientific
Discovery through Advanced Computing (SciDAC) program's Visualization;
Analytics Center for Enabling Technologies (VACET)
FX This work was supported by the Director, Office of Advanced Scientific
Computing Research, Office of Science, of the U.S. Department of Energy
under Contract No. DE-AC02-05CH11231 through the Scientific Discovery
through Advanced Computing (SciDAC) programs Visualization and Analytics
Center for Enabling Technologies (VACET). We thank the members of the
LBNL Visualization Group, the LBNL ANAG, the LBNL CCSE, and the VisIt
development team.
NR 33
TC 1
Z9 1
U1 0
U2 1
PU ASTRONOMICAL SOC PACIFIC
PI SAN FRANCISCO
PA 390 ASHTON AVE, SAN FRANCISCO, CA 94112 USA
BN 978-1-58381-333-1
J9 ASTR SOC P
PY 2008
VL 385
BP 309
EP +
PG 3
WC Astronomy & Astrophysics
SC Astronomy & Astrophysics
GA BHQ86
UT WOS:000255550100044
ER
PT J
AU Battistoni, G
Broggi, F
Brugger, M
Campanella, M
Carboni, M
Cerutti, F
Colleoni, P
D'Ambrosio, C
Empl, A
Fasso, A
Ferrari, A
Ferrari, A
Gadioli, E
Lantz, M
Lee, K
Lukasik, G
Mairani, A
Margiotta, A
Mauri, M
Morone, MC
Mostacci, A
Muraro, S
Parodi, K
Patera, V
Pelliccioni, M
Pinsky, L
Ranft, J
Roesler, S
Rollet, S
Sala, PR
Sarchiapone, L
Stoli, M
Smirnov, G
Sommerer, F
Theis, C
Trovati, S
Villari, R
Vinke, H
Vlachoudis, V
Wilson, T
Zapp, N
AF Battistoni, G.
Broggi, F.
Brugger, M.
Campanella, M.
Carboni, M.
Cerutti, F.
Colleoni, P.
D'Ambrosio, C.
Empl, A.
Fasso, A.
Ferrari, Al
Ferrari, An
Gadioli, E.
Lantz, M.
Lee, K.
Lukasik, G.
Mairani, A.
Margiotta, A.
Mauri, M.
Morone, M. C.
Mostacci, A.
Muraro, S.
Parodi, K.
Patera, V.
Pelliccioni, M.
Pinsky, L.
Ranft, J.
Roesler, S.
Rollet, S.
Sala, P. R.
Sarchiapone, L.
Stoli, M.
Smirnov, G.
Sommerer, F.
Theis, C.
Trovati, S.
Villari, R.
Vinke, H.
Vlachoudis, V.
Wilson, T.
Zapp, N.
TI The FLUKA code and its use in hadron therapy
SO NUOVO CIMENTO DELLA SOCIETA ITALIANA DI FISICA C-COLLOQUIA ON PHYSICS
LA English
DT Article
ID HEAVY-ION RADIOTHERAPY; PROTON THERAPY; BEAMS; MODEL; VERIFICATION;
OPTIMIZATION; DYNAMICS
AB FLUKA is a multipurpose Monte Carto code describing transport and interaction with matter of a, large variety of particles over a wide energy range ill complex geometries. FLUKA is successfully applied ill several fields, including, but not only particle physics, cosmic-ray physics, dosimetry, radioprotection, hadron therapy. space radiation, accelerator design and neutronics. Here we briefly review recent model developments and provide examples of applications to hadron therapy, including calculation of physical and biological dose for comparison with analytical treatment planning engines as well as beta(+)-activation for therapy monitoring by means of positron emission tomography.
C1 [Battistoni, G.; Broggi, F.; Campanella, M.; Colleoni, P.; Gadioli, E.; Muraro, S.; Sala, P. R.] Ist Nazl Fis Nucl, Sez Milano, I-20133 Milan, Italy.
[Brugger, M.; Cerutti, F.; Ferrari, Al; Lukasik, G.; Mauri, M.; Roesler, S.; Sarchiapone, L.; Smirnov, G.; Sommerer, F.; Theis, C.; Trovati, S.; Vinke, H.; Vlachoudis, V.] CERN, Geneva, Switzerland.
[Campanella, M.; Carboni, M.] GARR Consortium, Rome, Italy.
[Carboni, M.; D'Ambrosio, C.; Mostacci, A.; Patera, V.; Pelliccioni, M.; Villari, R.] Ist Nazl Fis Nucl, Lab Nazl Frascati, I-00044 Frascati, RM, Italy.
[Colleoni, P.; Gadioli, E.] Univ Milan, Milan, Italy.
[D'Ambrosio, C.] Univ Roma 1, Rome, Italy.
[Empl, A.; Pinsky, L.] Univ Houston, Houston, TX USA.
[Fasso, A.] SLAC, Stanford, CA USA.
[Ferrari, An] CNAO, Pavia, Italy.
[Lantz, M.] Chalmers, S-41296 Gothenburg, Sweden.
[Lee, K.; Wilson, T.; Zapp, N.] NASA, Houston, TX USA.
[Mairani, A.] DKFZ, Heidelberg, Germany.
[Mairani, A.; Parodi, K.] HIT, Heidelberg, Germany.
[Margiotta, A.; Stoli, M.] Univ Bologna, Bologna, Italy.
[Margiotta, A.; Stoli, M.] Ist Nazl Fis Nucl, Sez Bologna, I-40126 Bologna, Italy.
[Morone, M. C.] Univ Roma Tor Vergata, Rome, Italy.
[Morone, M. C.] Ist Nazl Fis Nucl, Sez Roma 2, Rome, Italy.
[Mostacci, A.; Patera, V.] Univ Roma La Sapienza, Rome, Italy.
[Ranft, J.] Univ Siegen, Siegen, Germany.
[Villari, R.] ENEA, Frascati, RM, Italy.
RP Battistoni, G (reprint author), Ist Nazl Fis Nucl, Sez Milano, Via Celoria 16, I-20133 Milan, Italy.
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;
, Sofia/0000-0002-4389-3641; Carboni, Massimo/0000-0003-4296-3799
FU INFN-CSN5
FX The work discussed here has been carried out in different collaborations
with CERN, the Massachusetts General Hospital (MGH), the Heidelberg Ion
Therapy Center (HIT), the Gesellschaft fur Schwerionenforschung (GSI),
the Forschungszentrum Dresden-Rossendorf (FZD) and the University of
Pavia. This work was partially supported by INFN-CSN5 (FLUKA2
experiment).
NR 26
TC 7
Z9 7
U1 1
U2 9
PU SOC ITALIANA FISICA
PI BOLOGNA
PA VIA SARAGOZZA, 12, I-40123 BOLOGNA, ITALY
SN 1124-1896
J9 NUOVO CIMENTO C
JI Nuovo Cimento Soc. Ital. Fis. C-Colloq. Phys.
PD JAN-FEB
PY 2008
VL 31
IS 1
BP 69
EP 75
DI 10.1393/ncc/i2008-10281-9
PG 7
GA 369UJ
UT WOS:000260719100008
ER
PT J
AU Williams, PT
AF Williams, Paul T.
TI Self-selection accounts for inverse association between weight and
cardiorespiratory fitness
SO OBESITY
LA English
DT Article
ID PHYSICAL-ACTIVITY; FAMILIAL AGGREGATION; HERITAGE FAMILY; MALE RUNNERS;
EXERCISE; HERITABILITY; WOMEN; AGE; ADIPOSITY; DISTANCE
AB Background: Men and women who exercise regularly and who are physically fit tend to be leaner than those who are sedentary and not fit. Although exercise is known to attenuate weight gain and promote weight loss, there may also be a propensity for leaner men and women to choose to exercise vigorously (self-selection). Pre-exercise body weights have been shown to account for all the weight differences between fast and slow walkers, but seem to account for only a portion of the weight differences associated with walking distances. Whether these results apply to maximum exercise performance (i.e., cardiorespiratory fitness) as well as to doses of vigorous exercise (metabolic equivalents >6) remains to be determined.
Objective: Assess whether the cross-sectional relationships of BMI to cardiorespiratory fitness and vigorous activity are explained by BMI prior to exercising.
Methods and Procedures: Cross-sectional study of the relationships between cardiorespiratory fitness (running speed during 10 km foot race) and vigorous physical activity (weekly running distance) to current BMI (BMIcurrent) and BMI at the start of running (BMIstarting) in 44,370 male and 25,252 female participants of the National Runners' Health Study.
Results: BMIstarting accounted entirely for the association between fitness and BMIcurrent in both sexes, but only a quarter of the association between vigorous physical activity levels and BMIcurrent in men. In women, BMIstarting accounted for 58% of the association between BMIcurrent and vigorous activity levels.
Discussion: Self-selection based on pre-exercise BMI accounts entirely for the association found between fitness and BMI (and possibly a portion of other health outcomes).
C1 Univ Calif Berkeley, Lawrence Berkeley Lab, Donner Lab, Div Life Sci, Berkeley, CA 94720 USA.
RP Williams, PT (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, Donner Lab, Div Life Sci, Berkeley, CA 94720 USA.
EM ptwilliams@lbl.gov
FU NHLBI NIH HHS [HL-072110, HL-45652]; NIDDK NIH HHS [DK066738]
NR 21
TC 12
Z9 12
U1 1
U2 1
PU NATURE PUBLISHING GROUP
PI NEW YORK
PA 75 VARICK STREET, 9TH FLOOR, NEW YORK, NY 10013-1917 USA
SN 1930-7381
J9 OBESITY
JI Obesity
PD JAN
PY 2008
VL 16
IS 1
BP 102
EP 106
DI 10.1038/oby.2007.5
PG 5
WC Endocrinology & Metabolism; Nutrition & Dietetics
SC Endocrinology & Metabolism; Nutrition & Dietetics
GA 253YU
UT WOS:000252554300018
PM 18223620
ER
PT S
AU Davis, K
Striegnitz, J
AF Davis, Kei
Striegnitz, Joerg
BE Cebulla, M
TI Multiparadigm programming in object-oriented languages: Current research
SO OBJECT-ORIENTED TECHNOLOGY: ECOOP 2007 WORKSHOP READER
SE Lecture Notes in Computer Science
LA English
DT Proceedings Paper
CT 21st European Conference on Object-Oriented Programming (ECOOP 2007)
CY JUL 30-AUG 03, 2007
CL Tech Univ Berlin, Berlin, GERMANY
SP Inst Commun & Software Technol, AITO, ACM SIGPLAN, ACM SIGSOFT, Deutsch Telekom Labs, SAP, IBM, Google, Microsoft Res, ERCIM, dIsi aIti, sd&m
HO Tech Univ Berlin
DE object-oriented; multiparadigm; programming
AB While 00 has become ubiquitously employed for design, implementation, and even conceptualization, many practitioners recognize the concomitant need for other programming paradigms according to problem domain. Nevertheless, the choice of a programming paradigm is strongly influenced by the supporting programming language facilities. In turn, choice of programming language is usually highly constrained by practical considerations. We seek answers to the question of how to address the need for other programming paradigms, or even domain specific languages, in the general context of 00 languages.
It is clear that this field is yet nascent: novel, disparate approaches and techniques are still being discovered or invented, and this very novelty adds a significant element of intellectual entertainment. This article describes the cross section of research efforts reported at the workshop on Multiparadigm Programming in Object-Oriented Languages held at the 2007 European Conference on Object-Oriented Programming.
C1 [Davis, Kei] Los Alamos Natl Lab, POB 1663, Los Alamos, NM 87545 USA.
[Striegnitz, Joerg] Univ Appl Sci Regensburg, D-93053 Regensburg, Germany.
RP Davis, K (reprint author), Los Alamos Natl Lab, POB 1663, Los Alamos, NM 87545 USA.
EM kei.davis@lanl.gov; joerg.striegnitz@informatik.fh-regensburg.de
NR 0
TC 0
Z9 0
U1 0
U2 0
PU SPRINGER-VERLAG BERLIN
PI BERLIN
PA HEIDELBERGER PLATZ 3, D-14197 BERLIN, GERMANY
SN 0302-9743
BN 978-3-540-78194-3
J9 LECT NOTES COMPUT SC
PY 2008
VL 4906
BP 13
EP +
PG 2
WC Computer Science, Software Engineering; Computer Science, Theory &
Methods
SC Computer Science
GA BHK34
UT WOS:000253835100003
ER
PT J
AU Maltrud, M
Holloway, G
AF Maltrud, Mathew
Holloway, Greg
TI Implementing biharmonic neptune in a global eddying ocean model
SO OCEAN MODELLING
LA English
DT Article
DE modelling; ocean circulation; eddy parameterization
ID ARCTIC-OCEAN; TOPOGRAPHIC STRESS; CIRCULATION; PARAMETERIZATION;
CURRENTS; WATERS
AB Results are presented from a pair of global ocean circulation simulations whose horizontal resolution is fine enough to allow spontaneous formation of eddies. The only difference between the two runs is inclusion of a parameterization for the "neptune effect" [Holloway, G., 2004. From classical to statistical ocean dynamics. Surv. Geophys. 25, 203-219] in one of them, which tends to force the flow along local topographic contours. A Laplacian operator form of this force has been used for numerous studies with coarse (non-eddying) resolution models. For eddying resolutions, however, a biharmonic friction operator is commonly used to avoid strong damping at small scales. Here we extend the neptune parameterization to a biharmonic operator, and test how inclusion of neptune affects the fidelity of simulation. (C) 2007 Elsevier Ltd. All rights reserved.
C1 [Maltrud, Mathew] Los Alamos Natl Lab, Climate Ocean & Sea Ice Modeling Project, Fluid Dynam Grp, Los Alamos, NM 87545 USA.
[Holloway, Greg] Inst Ocean Sci, Dept Fisheries & Oceans, Sidney, BC V8L 4B2, Canada.
RP Maltrud, M (reprint author), Los Alamos Natl Lab, Climate Ocean & Sea Ice Modeling Project, Fluid Dynam Grp, Los Alamos, NM 87545 USA.
EM maltrud@lani.gov
NR 27
TC 9
Z9 9
U1 0
U2 4
PU ELSEVIER SCI LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, OXON, ENGLAND
SN 1463-5003
J9 OCEAN MODEL
JI Ocean Model.
PY 2008
VL 21
IS 1-2
BP 22
EP 34
DI 10.1016/j.ocemod.2007.11.003
PG 13
WC Meteorology & Atmospheric Sciences; Oceanography
SC Meteorology & Atmospheric Sciences; Oceanography
GA 275OS
UT WOS:000254082100003
ER
PT J
AU Hunke, E
Maltrud, M
Hecht, M
AF Hunke, Elizabeth
Maltrud, Mathew
Hecht, Matthew
TI On the grid dependence of lateral mixing parameterizations for global
ocean simulations
SO OCEAN MODELLING
LA English
DT Article
DE ocean circulation; tracers; modeling; mixing
ID CIRCULATION MODELS; ARCTIC-OCEAN; TRACER TRANSPORTS; BOUNDARY CURRENT;
HEAT-TRANSPORT; WATER; SENSITIVITY; RESOLUTION; VISCOSITY; EDDIES
AB Using an ice-ocean coupled model on an eddy-admitting, global, 0.4 degrees mesh, we find that simulations of tracer properties and kinetic energy differ much more at high latitudes than at mid-to-low latitudes under different choices for the lateral tracer mixing parameterization, particularly between Gent and McWilliams (GM) mixing, which is Laplacian in form, and biharmonic tracer diffusion. Besides the more physical, rotated diffusivity used in GM, the differences in these two formulations can be traced to two effects, (1) scale selectivity, in which Laplacian forms damp wave energy more quickly than biharmonic mixing formulations, and (2) grid dependence of the diffusion coefficient, which is particularly important at high latitudes where the grid scale decreases dramatically on the sphere. This study explores some effects of these parameterization choices at high latitudes, including the anisotropic GM formulation. Regardless of the mixing parameterization chosen, future global simulations should take into account variations in grid cell area, in order to prevent diffusion from dominating advection in the evolution of high latitude tracers and circulation. (c) 2007 Elsevier Ltd. All rights reserved.
C1 [Hunke, Elizabeth; Maltrud, Mathew; Hecht, Matthew] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
RP Hunke, E (reprint author), Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
EM eclare@lanl.gov; maltrud@lanl.gov; mhecht@lanl.gov
OI Hecht, Matthew/0000-0003-0946-4007
NR 43
TC 7
Z9 7
U1 0
U2 5
PU ELSEVIER SCI LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, OXON, ENGLAND
SN 1463-5003
J9 OCEAN MODEL
JI Ocean Model.
PY 2008
VL 20
IS 2
BP 115
EP 133
DI 10.1016/j.ocemod.2007.06.010
PG 19
WC Meteorology & Atmospheric Sciences; Oceanography
SC Meteorology & Atmospheric Sciences; Oceanography
GA 263QK
UT WOS:000253231400001
ER
PT J
AU Ozgokmen, TM
Fischer, PF
AF Ozgokmen, Tamay M.
Fischer, Paul F.
TI On the role of bottom roughness in overflows
SO OCEAN MODELLING
LA English
DT Article
ID SPECTRAL ELEMENT MODEL; SEA OUTFLOW PLUME; INTERNAL GRAVITY-WAVE; FREE
SHEAR LAYERS; STRATIFIED ENVIRONMENTS; CONTINENTAL-SLOPE; TURBULENT
ENTRAINMENT; VORTICITY DYNAMICS; DENSITY CURRENTS; DENMARK STRAIT
AB Overflows play an important role in the downwelling limb of the oceanic thermohaline circulation. In light of the recognition that some overflows are not homogenous but exhibit a vertical density structure, and details of topography influence the pathways of some overflows, the impact of topographic roughness on the product property distribution is explored using the 3D non-hydrostatic spectral element model Nek5000. Numerical experiments are carried out by varying bottom roughness amplitude and ambient stratification parameters, in a regime where equilibrated product water masses are formed in a non-rotating environment.
Our main finding is that bottom roughness can influence the overflow product distribution such that the highest salinity classes are removed and neutral buoyancy level is attained higher up in the stratified ambient water column. It is also shown that the form drag coefficients in overflows over rough bottom can be much larger than the skin drag coefficient over smooth bottom. To our knowledge, form drag has never been measured in oceanic overflows. As such, these numerical experiments imply that such measurements would be useful for a better understanding of overflow dynamics. It is also found that the ratio of source and product overflow mass transports is robust to changes in bottom roughness. This appears to happen because the distribution of entrainment is totally different in the case of rough bottom. Entrainment tends to initiate earlier (due to vertical motion induced by topography) and terminate earlier (due to development of form drag) than that over smooth topography. (C) 2007 Elsevier Ltd. All rights reserved.
C1 [Ozgokmen, Tamay M.] Univ Miami, RSMAS MPO, Miami, FL 33152 USA.
[Fischer, Paul F.] Argonne Natl Lab, Div Math & Comp Sci, Argonne, IL 60439 USA.
RP Ozgokmen, TM (reprint author), Univ Miami, RSMAS MPO, Miami, FL 33152 USA.
EM tozgokmen@rsmas.miami.edu
NR 78
TC 30
Z9 30
U1 1
U2 11
PU ELSEVIER SCI LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, OXON, ENGLAND
SN 1463-5003
EI 1463-5011
J9 OCEAN MODEL
JI Ocean Model.
PY 2008
VL 20
IS 4
BP 336
EP 361
DI 10.1016/j.ocemod.2007.10.004
PG 26
WC Meteorology & Atmospheric Sciences; Oceanography
SC Meteorology & Atmospheric Sciences; Oceanography
GA 265BG
UT WOS:000253333500002
ER
PT S
AU Carriere, O
Hermand, JP
Candy, JV
AF Carriere, Olivier
Hermand, Jean-Pierre
Candy, James V.
GP MTS
IEEE
TI Range-resolving shallow water acoustic tomography by ensemble Kalman
filtering
SO OCEANS 2008, VOLS 1-4
SE OCEANS-IEEE
LA English
DT Proceedings Paper
CT OCEANS 2008 Conference
CY SEP 15-18, 2008
CL Quebec City, CANADA
SP IEEE
DE coastal acoustic tomography; nonlinear Kalman filter; empirical
orthogonal functions; inversion
ID INVERSION
AB In the context of the recent Maritime Rapid Environmental Assessment sea trial (MREA/BP'07), this paper presents a range-resolving tomography method based on the ensemble Kalman filtering (EnKF) of full-field acoustic measurements on a vertical array. The measurements are assimilated in a Gauss-Markov model of the sound-speed field time variations with known statistics. The reformulation of the inverse problem in an ocean data assimilation framework enables the sequential tracking of time- and space-varying environmental parameters. The tracking scheme is here applied to a realistic simulation of a vertical slice in a shallow water environment. Sea-surface sound-speed measurements are augmented to the measurement vector to constrain the range-dependent structure. Known bottom and subbottom properties are taken into account in the propagation model. When compared to the extended Kalman filter, the EnKF is shown to properly cope with the nonlinearity introduced by the full-field approach.
C1 [Carriere, Olivier; Hermand, Jean-Pierre] Univ Libre Bruxelles, OPERA Acoust Dept, Environm Hydroacoust Lab, Ave Franklin D Roosevelt 50,CP 194-05, B-1050 Brussels, Belgium.
[Candy, James V.] Univ Calif Santa Barbara, Santa Barbara, CA USA.
[Candy, James V.] Lawrence Livermore Natl Lab, Livermore, CA 94551 USA.
RP Carriere, O (reprint author), Univ Libre Bruxelles, OPERA Acoust Dept, Environm Hydroacoust Lab, Ave Franklin D Roosevelt 50,CP 194-05, B-1050 Brussels, Belgium.
EM jhermand@ulb.ac.be
FU Fonds pour la formationa la Recherche dans l'Industrie et dans
l'Agriculture (FRIA), Belgium; Service Hydrographiqueet Oceanographique
de la Marine Francaise (SHOM); European Seas Observatory Network Network
of Excellence(ESONET NoE); European 6th Framework Programme; research
priority Global change; European Commission
FX The authors acknowledge the support of the Fonds pour la formationa la
Recherche dans lIndustrie et dans lAgriculture (FRIA), Belgium, the
Service Hydrographiqueet Oceanographique de la Marine Francaise (SHOM)
and the European Seas Observatory Network Network of Excellence(ESONET
NoE) funded by the European 6th Framework Pro- gramme, research priority
1.1.6.3 Global change and ecosys- tems, European Commission.
NR 11
TC 0
Z9 0
U1 0
U2 2
PU IEEE
PI NEW YORK
PA 345 E 47TH ST, NEW YORK, NY 10017 USA
SN 0197-7385
BN 978-1-4244-2619-5
J9 OCEANS-IEEE
PY 2008
BP 964
EP +
PG 3
WC Engineering, Marine; Engineering, Ocean; Oceanography
SC Engineering; Oceanography
GA BJG44
UT WOS:000265654500148
ER
PT B
AU Wang, ZG
Gao, F
Zu, XT
Weber, WJ
AF Wang, Zhiguo
Gao, Fei
Zu, Xiaotao
Weber, William J.
BE Wang, ZM
TI Physical Properties of GaN Nanotubes as Revealed by Computer Simulation
SO ONE-DIMENSIONAL NANOSTRUCTURES
SE Lecture Notes in Nanoscale Science and Technology
LA English
DT Article; Book Chapter
ID MOLECULAR-DYNAMICS SIMULATIONS; LATTICE THERMAL-CONDUCTIVITY; GALLIUM
NITRIDE NANOTUBES; PLASTIC-DEFORMATION; DUCTILE TRANSITION; CARBON
NANOTUBES; LOW-TEMPERATURES; BORON-NITRIDE; NANOWIRES; SILICON
AB Single-crystalline wurtzite GaN nanotubes have been synthesized recently with proposed applications in nanoscale electronics, optoelectronics, and the biochemical sensing field. In this work, molecular dynamics methods with a Stillinger-Weber potential have been used to investigate the melting behavior, thermal conductivity, and mechanical properties of wurtzite-type single-crystalline GaN nanotubes. (1) The simulations show that the melting temperature of the GaN nanotubes increases with the thickness of the nanotubes to a saturation value, which is close to the melting temperature of a bulk GaN. The results reveal that the nanotubes begin to melt at the surface, and then the melting rapidly extends to the interior of the nanotubes as the temperature increases. (2) The thermal conductivity of nanotubes is smaller than that of the bulk GaN single crystal. The thermal conductivity is also found to decrease with temperature and increase with increasing wall thickness of the nanotubes. The change of phonon spectrum and surface inelastic scattering may account for the reduction of thermal conductivity in the nanotubes, while thermal softening and high-frequency phonon interactions at high temperatures may provide an explanation for its decrease with increasing temperature. (3) The simulation results show that at low temperatures, the nanotubes show brittle properties, whereas at high temperatures, they behave as ductile materials. The brittle to ductile transition temperature generally increases with increasing thickness of the nanotubes and strain rate. (4) The simulation temperature, tube length, and strain rate all can affect the buckling behavior of GaN nanotubes. The critical stress decreases with the increase of simulation temperature and tube length. The tube length dependence of buckling is compared with those from the analysis of equivalent continuum structures using Euler buckling theory.
C1 [Wang, Zhiguo; Zu, Xiaotao] Univ Elect Sci & Technol China, Dept Appl Phys, Chengdu 610054, Peoples R China.
[Weber, William J.] Univ Sci & Technol China, Hefei Natl Lab Phys Sci Microscale, Hefei 230026, Anhui, Peoples R China.
[Gao, Fei] Pacific NW Natl Lab, Richland, WA 99352 USA.
RP Wang, ZG (reprint author), Univ Elect Sci & Technol China, Dept Appl Phys, Chengdu 610054, Peoples R China.
RI Weber, William/A-4177-2008
OI Weber, William/0000-0002-9017-7365
NR 82
TC 0
Z9 0
U1 0
U2 1
PU SPRINGER
PI NEW YORK
PA 233 SPRING STREET, NEW YORK, NY 10013, UNITED STATES
BN 978-0-387-74132-1; 978-0-387-74131-4
J9 LECT NOTES NANOSCALE
PY 2008
VL 3
BP 97
EP 126
DI 10.1007/978-0-387-74132-1_5
D2 10.1007/978-0-387-74132-1
PG 30
WC Nanoscience & Nanotechnology
SC Science & Technology - Other Topics
GA BLO87
UT WOS:000270699900005
ER
PT S
AU Bronevetsky, G
Gyllenhaal, J
de Supinski, BR
AF Bronevetsky, Greg
Gyllenhaal, John
de Supinski, Bronis R.
BE Eigenmann, R
DeSupinski, BR
TI CLOMP: Accurately characterizing OpenMP application overheads
SO OPENMP IN A NEW ERA OF PARALLELISM, PROCEEDINGS
SE LECTURE NOTES IN COMPUTER SCIENCE
LA English
DT Proceedings Paper
CT 4th International Workshop on OpenMP in New Era of Parallelism
CY MAY 12-14, 2008
CL Lafayette, IN
AB Despite its ease of use, OpenMP has failed to gain widespread use on large scale systems, largely due to its failure to deliver sufficient performance. Our experience indicates that the cost of initiating OpenMP regions is simply too high for the desired OpenMP usage scenario of many applications. In this paper, we introduce CLOMP, a new benchmark to characterize this aspect of OpenMP implementations accurately. CLOMP complements the existing EPCC benchmark suite to provide simple, easy to understand measurements of OpenMP overheads in the context of application usage scenarios. Our results for several OpenMP implementations demonstrate that CLOMP identifies the amount of work required to compensate for the overheads observed with EPCC. Further, we show that CLOMP also captures limitations for OpenMP parallelization on NUMA systems.
C1 [Bronevetsky, Greg; Gyllenhaal, John; de Supinski, Bronis R.] Lawrence Livermore Natl Lab, Livermore, CA 94551 USA.
RP Bronevetsky, G (reprint author), Lawrence Livermore Natl Lab, Livermore, CA 94551 USA.
NR 16
TC 4
Z9 4
U1 0
U2 1
PU SPRINGER-VERLAG BERLIN
PI BERLIN
PA HEIDELBERGER PLATZ 3, D-14197 BERLIN, GERMANY
SN 0302-9743
BN 978-3-540-79560-5
J9 LECT NOTES COMPUT SC
PY 2008
VL 5004
BP 13
EP 25
PG 13
WC Computer Science, Theory & Methods
SC Computer Science
GA BHS57
UT WOS:000255944000002
ER
PT S
AU Lusk, E
Chan, A
AF Lusk, Ewing
Chan, Anthony
BE Eigenmann, R
DeSupinski, BR
TI Early experiments with the OpenMP/MPI hybrid programming model
SO OPENMP IN A NEW ERA OF PARALLELISM, PROCEEDINGS
SE Lecture Notes in Computer Science
LA English
DT Proceedings Paper
CT 4th International Workshop on OpenMP (IWOMP-2008)
CY MAY 12-14, 2008
CL Purdue Univ, W Lafayette, IN
HO Purdue Univ
AB The paper describes some very early experiments on new architectures that support the hybrid programming model. Our results are promising in that OpenMP threads interact with MPI as desired, allowing OpenMP-agnostic tools to be used. We explore three environments: a "typical" Linux cluster, a new large-scale machine from SiCortex, and the new IBM BG/P, which have quite different compilers and runtime systems for both OpenMP and MPI. We look at a few simple, diagnostic programs, and one "application-like" test program. We demonstrate the use of a tool that can examine the detailed sequence of events in a hybrid program and illustrate that a hybrid computation might not always proceed as expected.
C1 [Lusk, Ewing] Argonne Natl Lab, Math & Comp Sci Div, Argonne, IL 60439 USA.
[Chan, Anthony] Univ Chicago, ASCI FLASH Ctr, Chicago, IL 60637 USA.
RP Lusk, E (reprint author), Argonne Natl Lab, Math & Comp Sci Div, Argonne, IL 60439 USA.
FU U.S. Department of Energy [B523820]; University of Chicago;
Mathematical, Information, and Computational Sciences Division
subprogram of the Office of Advanced Scientific Computing Research,
Office of Science, U.S. Departent of Energy [DE-AC02-06CH1135]
FX This work was supported in part by the U.S. Department of Energy
Contract #B523820 to the ASC/Alliance Center for Astrophysical
Thermonuclear Flashes at the University of Chicago and in part by the
Mathematical, Information, and Computational Sciences Division
subprogram of the Office of Advanced Scientific Computing Research,
Office of Science, U.S. Departent of Energy, under Contract
DE-AC02-06CH1135
NR 11
TC 17
Z9 17
U1 0
U2 0
PU SPRINGER-VERLAG BERLIN
PI BERLIN
PA HEIDELBERGER PLATZ 3, D-14197 BERLIN, GERMANY
SN 0302-9743
BN 978-3-540-79560-5
J9 LECT NOTES COMPUT SC
PY 2008
VL 5004
BP 36
EP +
PG 3
WC Computer Science, Theory & Methods
SC Computer Science
GA BHS57
UT WOS:000255944000004
ER
PT S
AU Hoeflinger, JP
de Supinski, BR
AF Hoeflinger, Jay P.
de Supinski, Bronis R.
BE Mueller, MS
Chapman, BM
DeSupinski, BR
Malony, AD
Voss, M
TI The OpenMP memory model
SO OPENMP SHARED MEMORY PARALLEL PROGRAMMING, PROCEEDINGS
SE Lecture Notes in Computer Science
LA English
DT Proceedings Paper
CT 1st International Workshop on OpenMP (IWOMP)
CY JUN 01-04, 2005
CL Eugene, OK
AB The memory model of OpenMP has been widely misunderstood since the first OpenMP specification was published in 1997 (Fortran 1.0). The proposed OpenMP specification (version 2.5) includes a memory model section to address this issue. This section unifies and clarifies the text about the use of memory in all previous specifications, and relates the model to well-known memory consistency semantics. In this paper, we discuss the memory model and show its implications for future distributed shared memory implementations of OpenMP.
C1 [Hoeflinger, Jay P.] Intel Corp, 1906 Fox Dr, Champaign, IL 61820 USA.
[de Supinski, Bronis R.] Lawrence Livermore Natl Lab, Livermore, CA 94551 USA.
RP Hoeflinger, JP (reprint author), Intel Corp, 1906 Fox Dr, Champaign, IL 61820 USA.
EM jay.p.hoeflinger@intel.com; bronis@llnl.gov
FU U.S. Department of Energy by University of California LLNL
[W-7405-Eng-48, UCRL-ABS-210774]
FX This work was partially performed under the auspices of the U.S.
Department of Energy by University of California LLNL under contract
W-7405-Eng-48. UCRL-ABS-210774.
NR 9
TC 2
Z9 2
U1 0
U2 1
PU SPRINGER-VERLAG BERLIN
PI BERLIN
PA HEIDELBERGER PLATZ 3, D-14197 BERLIN, GERMANY
SN 0302-9743
BN 978-3-540-68554-8
J9 LECT NOTES COMPUT SC
PY 2008
VL 4315
BP 167
EP +
PG 2
WC Computer Science, Hardware & Architecture; Computer Science, Theory &
Methods
SC Computer Science
GA BHU87
UT WOS:000256573200014
ER
PT S
AU Bronevetsky, G
de Supinski, BR
AF Bronevetsky, Greg
de Supinski, Bronis R.
BE Mueller, MS
Chapman, BM
DeSupinski, BR
Malony, AD
Voss, M
TI Formal specification of the OpenMP memory model
SO OPENMP SHARED MEMORY PARALLEL PROGRAMMING, PROCEEDINGS
SE Lecture Notes in Computer Science
LA English
DT Proceedings Paper
CT 2nd International Workshop on OpenMP (IWOMP)
CY JUN 12-15, 2006
CL Reims, FRANCE
AB OpenMP [1] is an important API for shared memory programming, combining shared memory's potential for performance with a simple programming interface. Unfortunately, OpenMP lacks a critical tool for demonstrating whether programs are correct: a formal memory model. Instead, the current official definition of the OpenMP memory model (the OpenMP 2.5 specification [1]) is in terms of informal prose. As a result, it is impossible to verify OpenMP applications formally since the prose does not provide a formal consistency model that precisely describes how reads and writes on different threads interact.
This paper focuses on the formal verification of OpenMP programs through a proposed formal memory model that is derived from the existing prose model [1]. Our formalization provides a two-step process to verify whether an observed OpenMP execution is conformant. In addition to this formalization, our contributions include a discussion of ambiguities in the current prose-based memory model description. Although our formal model may not capture the current informal memory model perfectly, in part due to these ambiguities, our model reflects our understanding of the informal model's intent. We conclude with several examples that may indicate areas of the OpenMP memory model that need further refinement however it is specified. Our goal is to motivate the OpenMP community to adopt those refinements eventually, ideally through a formal model, in later OpenMP specifications.
C1 [Bronevetsky, Greg] Cornell Univ, Dept Comp Sci, Ithaca, NY 14850 USA.
[de Supinski, Bronis R.] Lawrence Livermore Natl Lab, Ctr Appl Scientif Comp, Livermore, CA 94551 USA.
RP Bronevetsky, G (reprint author), Cornell Univ, Dept Comp Sci, Ithaca, NY 14850 USA.
EM greg@bronevetsky.com; bronis@11nl.gov
NR 9
TC 0
Z9 0
U1 0
U2 1
PU SPRINGER-VERLAG BERLIN
PI BERLIN
PA HEIDELBERGER PLATZ 3, D-14197 BERLIN, GERMANY
SN 0302-9743
BN 978-3-540-68554-8
J9 LECT NOTES COMPUT SC
PY 2008
VL 4315
BP 324
EP +
PG 3
WC Computer Science, Hardware & Architecture; Computer Science, Theory &
Methods
SC Computer Science
GA BHU87
UT WOS:000256573200027
ER
PT B
AU Hudson, CR
Badiru, AB
AF Hudson, C. Randy
Badiru, Adedeji B.
BE Ravindran, AR
TI Energy Systems
SO OPERATIONS RESEARCH AND MANAGEMENT SCIENCE HANDBOOK
SE Operations Research Series
LA English
DT Article; Book Chapter
ID COGENERATION SYSTEMS; OPERATION
C1 [Badiru, Adedeji B.] AF Inst Technol, Dayton, OH USA.
[Hudson, C. Randy] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
RP Hudson, CR (reprint author), Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
NR 34
TC 0
Z9 0
U1 0
U2 0
PU CRC PRESS-TAYLOR & FRANCIS GROUP
PI BOCA RATON
PA 6000 BROKEN SOUND PARKWAY NW, STE 300, BOCA RATON, FL 33487-2742 USA
BN 978-0-8493-9721-9
J9 OPER RES SER
PY 2008
PG 29
WC Operations Research & Management Science
SC Operations Research & Management Science
GA BJY39
UT WOS:000267418500020
ER
PT S
AU Matzel, JEP
Bowring, SA
Miller, RB
AF Matzel, Jennifer E. P.
Bowring, Samuel A.
Miller, Robert B.
BE Wright, JE
Shervais, JW
TI Spatial and temporal variations in Nd isotopic signatures across the
crystalline core of the North Cascades, Washington
SO OPHIOLITES, ARCS, AND BATHOLITHS: A TRIBUTE TO CLIFF HOPSON
SE Geological Society of America Special Papers
LA English
DT Proceedings Paper
CT Symposium on Ophiolites, Batholiths and Regional Geology in Honor of
Cliff Hopson
CY OCT, 2005
CL Salt Lake City, UT
SP Geol Soc Amer
DE neodymium; North Cascades; magmatism; crustal growth; terrane
ID COAST PLUTONIC COMPLEX; SOUTHWESTERN BRITISH-COLUMBIA; SOUTHERN CANADIAN
CORDILLERA; U-PB ZIRCON; TECTONIC IMPLICATIONS; VOLCANIC-ROCKS;
MOUNTAINS BATHOLITH; METAMORPHIC HISTORY; QUESNEL TERRANE; CONTINENTAL
ARC
AB The crystalline core of the North Cascades arc records the Cretaceous to Paleogene history of magmatism, deformation, and crustal growth along a segment of the North American Cordillera. The Nd isotopic compositions of granitoid plutons that intrude the Cascades core are a product of their source regions, and they provide probes of the crustal architecture. We present Sm-Nd isotopic data from 96 Ma to 45 Ma plutons and meta-igneous and metasedimentary terranes across the Cascades core. Sm-Nd data from all metamorphic terranes, excluding the much younger ca. 73 Ma Swakane terrane, yield mid-Cretaceous epsilon(Nd) values that range from +8.5 to -1.9 and indicate minor involvement of an enriched crustal component. Amphibolites from the Napeequa complex and Chiwaukum Schist yield near-depleted-mantle epsilon(Nd) values in the mid-Cretaceous, and epsilon(Nd) values from meta-clastic rocks from these terranes (+3.4 to -1.9) have an isotopic character that is intermediate between arc-derived and continental-shelf (miogeocline) sediments, reflecting a mixture of these two sources. Initial epsilon(Nd) values of the Swakane Gneiss range from +0.6 to -5.4 and reflect a significant input from the miogeocline.
The initial epsilon(Nd) values of the Late Cretaceous to Paleogene plutons studied range from +1.5 to +6.3, consistent with geochemical studies that indicate the plutons were generated by mixing of mantle-derived melt and melt derived by anatexis of the underlying terranes. Initial epsilon(Nd) values of plutons from the NE part of the Cascades core generally decrease over time, suggesting a greater contribution of melt from evolved crustal sources, which may reflect a change in the physical parameters of melting. The metamorphic terranes of the North Cascades show a close affinity to the Late Triassic to Early Cretaceous arc terranes of the southern Coast Belt. The similarity in isotopic character supports the assumption that the North Cascadesterranes formed in a position outboard of the North American craton but in close enough proximity to derive sediments from the miogeocline. Variations in Nd signature are also observed between the northern and southern Coast plutonic complex, and they indicate changes in the sources of crustal melting along the length of the Cretaceous arc.
C1 [Matzel, Jennifer E. P.] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
RP Matzel, JEP (reprint author), Lawrence Livermore Natl Lab, 7000 E Ave,L-231, Livermore, CA 94550 USA.
EM matzel2@llnl.gov
NR 97
TC 6
Z9 6
U1 0
U2 5
PU GEOLOGICAL SOC AMER INC
PI BOULDER
PA 3300 PENROSE PL, PO BOX 9140, BOULDER, CO 80301 USA
SN 0072-1077
BN 978-0-8137-2438-6
J9 GEOL SOC AM SPEC PAP
PY 2008
VL 438
BP 499
EP 516
DI 10.1130/2008.2438(18)
PG 18
WC Geology
SC Geology
GA BMF22
UT WOS:000272078700018
ER
PT S
AU Stolz, CJ
AF Stolz, Christopher J.
BE Wang, Y
Tschudi, TT
Rolland, JP
Tatsuno, K
TI The national ignition facility: The world's largest optical system -
art. no. 683402
SO OPTICAL DESIGN AND TESTING III, PTS 1 AND 2
SE PROCEEDINGS OF THE SOCIETY OF PHOTO-OPTICAL INSTRUMENTATION ENGINEERS
(SPIE)
LA English
DT Proceedings Paper
CT Conference on Optical Design and Testing III
CY NOV 12-15, 2007
CL Beijing, PEOPLES R CHINA
SP SPIE
DE laser glass; fused silica; KDP; DKDP; laser resistance; mirrors;
polarizers; optical thin films
ID LASER; MIRRORS; FABRICATION; FUSION
AB The National Ignition Facility (NIF), a 192-beam fusion laser, is presently under construction at the Lawrence Livermore National Laboratory with an expected completion in 2008.(1-5) The facility contains 7,456 meter-scale optics for amplification, beam steering, vacuum barriers, focusing, polarization rotation, and wavelength conversion. 6 A multiphase program was put in place to increase the monthly optical manufacturing rate by up to 20x while simultaneously reducing cost by up to 3x through a sub-scale development, full-scale facilitization, and a pilot production phase. Currently 80% of the optics are complete with over 50% installed. In order to manufacture the high quality optics at desired manufacturing rate of over 100 precision optics per month, new more deterministic advanced fabrication technologies had to be employed over those used to manufacture previous fusion lasers.
C1 Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
RP Stolz, CJ (reprint author), Lawrence Livermore Natl Lab, 7000 E Ave L-491, Livermore, CA 94550 USA.
NR 12
TC 0
Z9 0
U1 1
U2 3
PU SPIE-INT SOC OPTICAL ENGINEERING
PI BELLINGHAM
PA 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA
SN 0277-786X
BN 978-0-8194-7009-6
J9 P SOC PHOTO-OPT INS
PY 2008
VL 6834
BP 83402
EP 83402
PG 9
WC Optics
SC Optics
GA BHL99
UT WOS:000254210600001
ER
PT S
AU Heebner, J
Grover, R
Ibrahim, T
AF Heebner, John
Grover, Rohit
Ibrahim, Tarek
BA Heebner, J
Grover, R
Ibrahim, TA
BF Heebner, J
Grover, R
Ibrahim, TA
TI Optical Microresonators Theory, Fabrication, and Applications
Introduction
SO OPTICAL MICRORESONATORS: THEORY, FABRICATION, AND APPLICATIONS
SE Springer Series in Optical Sciences
LA English
DT Editorial Material; Book Chapter
ID WHISPERING-GALLERY MODES; DIELECTRIC WAVE-GUIDES; CHANNEL-DROPPING
FILTERS; EFFECTIVE-INDEX METHOD; COUPLED MICRORING RESONATORS; NONLINEAR
PHASE-SHIFT; ZINCBLEND-TYPE SEMICONDUCTORS; FABRY-PEROT-INTERFEROMETER;
FUSED-SILICA MICROSPHERES; KRAMERS-KRONIG RELATIONS
C1 [Heebner, John] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
[Grover, Rohit] Intel Corp, Aloha, OR 97007 USA.
[Ibrahim, Tarek] Intel Corp, Hillsboro, OR 97124 USA.
RP Heebner, J (reprint author), Lawrence Livermore Natl Lab, 7000 East Ave, Livermore, CA 94550 USA.
EM heebner1@llnl.gov; rohit.grover@intel.com; tarek.a.ibrahim@intel.com
NR 0
TC 76
Z9 76
U1 2
U2 3
PU SPRINGER-VERLAG LONDON LTD
PI GODALMING
PA SWEETAPPLE HOUSE CATTESHALL RD FARNCOMBE, GODALMING GU7 1NH, SURREY,
ENGLAND
SN 0342-4111
BN 978-0-387-73067-7
J9 SPRINGER SER OPT SCI
PY 2008
VL 138
BP 1
EP +
PG 24
WC Nanoscience & Nanotechnology; Optics
SC Science & Technology - Other Topics; Optics
GA BJM28
UT WOS:000266795500001
ER
PT S
AU Andreas, AM
Myers, DR
AF Andreas, Afshin M.
Myers, Daryl R.
BE Tsai, BK
TI Pulse analysis spectroradiometer system for measuring the spectral
distribution of flash solar simulators
SO Optical Modeling and Measurements for Solar Energy Systems II
SE PROCEEDINGS OF THE SOCIETY OF PHOTO-OPTICAL INSTRUMENTATION ENGINEERS
(SPIE)
LA English
DT Proceedings Paper
CT Conference on Optical Modeling and Measurements for Solar Energy Systems
II
CY AUG 13-14, 2008
CL San Diego, CA
SP SPIE
DE spectral distribution; solar simulator classification; flash solar
simulator; pulse measurement system; waveform capture;
spectroradiometer; monochromator; artificial light
AB Flashing artificial light sources are used extensively in photovoltaic module performance testing and plant production lines. There are several means of attempting to measure the spectral distribution of a flash of light; however, many of these approaches generally capture the entire pulse energy. We report here oil the design and performance of a system to capture the waveform of flash at individual wavelengths of light. Any period within the flash duration can be selected, over which to integrate the flux intensity at each wavelength. The resulting spectral distribution is compared with the reference spectrum, resulting in a solar simulator classification.
C1 [Andreas, Afshin M.; Myers, Daryl R.] Natl Renewable Energy Lab, Golden, CO 80401 USA.
RP Andreas, AM (reprint author), Natl Renewable Energy Lab, 1617 Cole Blvd, Golden, CO 80401 USA.
EM afshin_andreas@nrel.gov
NR 4
TC 0
Z9 0
U1 0
U2 1
PU SPIE-INT SOC OPTICAL ENGINEERING
PI BELLINGHAM
PA 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA
SN 0277-786X
BN 978-0-8194-7266-3
J9 P SOC PHOTO-OPT INS
PY 2008
VL 7046
AR 70460I
DI 10.1117/12.792763
PG 11
WC Energy & Fuels; Instruments & Instrumentation; Optics
SC Energy & Fuels; Instruments & Instrumentation; Optics
GA BIT37
UT WOS:000262505700013
ER
PT S
AU Kerekes, RA
Kumar, BVKV
AF Kerekes, Ryan A.
Kumar, B. V. K. Vijaya
BE Casasent, DP
Chao, TH
TI Multiple target detection in video using quadratic multi-frame
correlation filtering
SO OPTICAL PATTERN RECOGNITION XIX
SE Proceedings of SPIE
LA English
DT Proceedings Paper
CT Conference on Optical Pattern Recognition XIX
CY MAR 17-18, 2008
CL Orlando, FL
SP SPIE
DE correlation filters; target detection; target tracking; video
ID TRACKING; RECOGNITION; DESIGN
AB Most integrated target detection and tracking systems employ state-space models to keep track of an explicit number of individual targets. Recently, a non-state-space framework was developed for enhancing target detection in video by applying probabilistic motion models to the soft information in correlation outputs before thresholding. This framework has been referred to as multi-frame correlation filtering (MFCF), and because it avoids the use of state-space models and the formation of explicit tracks, the framework is well-suited for handling scenes with unknown numbers of targets at unknown positions. In this paper, we propose to use quadratic correlation filters (QCFs) in the MFCF framework for robust target detection. We test our detection algorithm on real and synthesized single-target and multi-target video sequences. Simulation results show that MFCF can significantly reduce (to zero in the best case) the false alarm rates of QCFs at detection rates above 95% in the presence of large amounts of uncorrelated noise. We also show that MFCF is more adept at rejecting those false peaks due to uncorrelated noise rather than those due to clutter and compression noise; consequently, we show that filters used in the framework should be made to favor clutter rejection over noise tolerance.
C1 [Kerekes, Ryan A.] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
RP Kerekes, RA (reprint author), Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
EM kerekesra@ornl.gov; kumar@ece.cmu.edu
NR 22
TC 0
Z9 0
U1 0
U2 1
PU SPIE-INT SOC OPTICAL ENGINEERING
PI BELLINGHAM
PA 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA
SN 0277-786X
BN 978-0-8194-7168-0
J9 PROC SPIE
PY 2008
VL 6977
AR 697705
DI 10.1117/12.777822
PG 15
WC Engineering, Aerospace; Optics
SC Engineering; Optics
GA BIA88
UT WOS:000257982800004
ER
PT S
AU Alam, MK
Martin, L
Schmitt, RL
Ten Eyck, GA
Welle, E
AF Alam, M. Kathleen
Martin, Laura
Schmitt, Randal L.
Ten Eyck, Gregory A.
Welle, Eric
BE Dickey, FM
Beyer, RA
TI Vibrational Spectroscopy of HNS Degradation
SO OPTICAL TECHNOLOGIES FOR ARMING, SAFING, FUZING, AND FIRING IV
SE PROCEEDINGS OF THE SOCIETY OF PHOTO-OPTICAL INSTRUMENTATION ENGINEERS
(SPIE)
LA English
DT Proceedings Paper
CT Conference on Optical Technologies for Arming Safing, Fuzing, and Firing
IV
CY AUG 13-14, 2008
CL San Diego, CA
SP SPIE
DE HNS degradation; infrared; photoacoustic; ATR
ID WAVE-GUIDES; 2,2',4,4',6,6'-HEXANITROSTILBENE
AB Hexanitrostilbene (HNS) is a widely used explosive, due in part to its high thermal stability. Degradation of HNS is known to occur through UV, chemical exposure, and heat exposure, which can lead to reduced performance of the material. Common methods of testing for FINS degradation include wet chemical and surface area testing of the material itself, and performance testing of devices that use HNS. The commonly used chemical tests, such as volatility, conductivity and contaminant trapping provide information on contaminants rather than the chemical stability of the HNS itself. Additionally, these tests are destructive in nature. As an alternative to these methods, we have been exploring the use of vibrational spectroscopy as a means of monitoring HNS degradation non-destructively. In particular, infrared (IR) spectroscopy lends itself well to non-destructive analysis. Molecular variations in the material can be identified and compared to pure samples. The utility of IR spectroscopy was evaluated using pressed pellets of HNS exposed to DETA (diethylaminetriamine). Amines are known to degrade HNS, with the proposed product being a a-adduct. We have followed these changes as a function of time using various IR sampling techniques including photoacoustic and attenuated total reflectance (ATR).
C1 [Alam, M. Kathleen; Martin, Laura; Schmitt, Randal L.; Ten Eyck, Gregory A.; Welle, Eric] Sandia Natl Labs, Albuquerque, NM 87185 USA.
RP Alam, MK (reprint author), Sandia Natl Labs, POB 5800, Albuquerque, NM 87185 USA.
NR 10
TC 0
Z9 0
U1 1
U2 1
PU SPIE-INT SOC OPTICAL ENGINEERING
PI BELLINGHAM
PA 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA
SN 0277-786X
BN 978-0-8194-7290-8
J9 P SOC PHOTO-OPT INS
PY 2008
VL 7070
AR 70700S
DI 10.1117/12.793317
PG 10
WC Optics; Physics, Applied
SC Optics; Physics
GA BIZ50
UT WOS:000263959200025
ER
PT S
AU Hsu, AY
Robinson, AM
Cemosek, RW
AF Hsu, Alan Y.
Robinson, Alex M.
Cemosek, Richard W.
BE Dickey, FM
Beyer, RA
TI Fiber-optic current sensors based on polarization coherence and power
scattering in magneto-optical films
SO OPTICAL TECHNOLOGIES FOR ARMING, SAFING, FUZING, AND FIRING IV
SE PROCEEDINGS OF THE SOCIETY OF PHOTO-OPTICAL INSTRUMENTATION ENGINEERS
(SPIE)
LA English
DT Proceedings Paper
CT Conference on Optical Technologies for Arming Safing, Fuzing, and Firing
IV
CY AUG 13-14, 2008
CL San Diego, CA
SP SPIE
DE magneto-optical film; optical current sensor; polarization coherence;
power scattering
ID GARNETS
AB Fiber-optic sensors for sensing electrical current are attractive due to their inherent immunity to electromagnetic interference. Several groups have shown the use of Faraday rotation in magneto-optical materials as a function of current-induced magnetic field. In this work, fiber-optic sensors based on different mechanisms such as magnetic-field-dependent polarization coherence and power scattering effects in magneto-optical materials are demonstrated. These novel sensor configurations can have advantages in that they exhibit power-independent or polarization-independent operation which can ultimately lead to fewer components and relaxed light source requirements compared to fiber-optic current sensor systems based on Faraday rotation.
C1 [Hsu, Alan Y.; Robinson, Alex M.; Cemosek, Richard W.] Sandia Natl Labs, Albuquerque, NM 87185 USA.
RP Hsu, AY (reprint author), Sandia Natl Labs, 1515 Eubank Blvd SE, Albuquerque, NM 87185 USA.
NR 5
TC 0
Z9 0
U1 0
U2 2
PU SPIE-INT SOC OPTICAL ENGINEERING
PI BELLINGHAM
PA 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA
SN 0277-786X
BN 978-0-8194-7290-8
J9 P SOC PHOTO-OPT INS
PY 2008
VL 7070
AR 70700T
DI 10.1117/12.793166
PG 8
WC Optics; Physics, Applied
SC Optics; Physics
GA BIZ50
UT WOS:000263959200026
ER
PT S
AU Keeler, GA
Mar, A
Geib, KM
Hsu, AY
Serkland, DK
Peake, GM
AF Keeler, G. A.
Mar, A.
Geib, K. M.
Hsu, A. Y.
Serkland, D. K.
Peake, G. M.
BE Dickey, FM
Beyer, RA
TI VCSEL-based microsensors for photonic proximity fuzing of munitions
SO OPTICAL TECHNOLOGIES FOR ARMING, SAFING, FUZING, AND FIRING IV
SE PROCEEDINGS OF THE SOCIETY OF PHOTO-OPTICAL INSTRUMENTATION ENGINEERS
(SPIE)
LA English
DT Proceedings Paper
CT Conference on Optical Technologies for Arming Safing, Fuzing, and Firing
IV
CY AUG 13-14, 2008
CL San Diego, CA
SP SPIE
DE VCSELs; resonant-cavity photodetectors; refractive micro-optics; optical
fuzing; proximity sensors
AB This paper describes technologies developed at Sandia National Laboratories to create a compact, robust, and affordable photonic proximity sensor for munitions fuzing. The proximity fuze employs high-power vertical-cavity surface-emitting laser (VCSEL) arrays, resonant-cavity photodetectors (RCPDs), and refractive micro-optics that are integrated within a microsensor whose volume is approximately 0.01 cm(3). Successful development and integration of these custom photonic components should enable a g-hard photonic proximity fuze that replaces costly assemblies of discrete lasers, photodetectors, and bulk optics. Additional applications of this technology include void sensing, ladar and short-range 3-D imaging.
C1 [Keeler, G. A.; Mar, A.; Geib, K. M.; Hsu, A. Y.; Serkland, D. K.; Peake, G. M.] Sandia Natl Labs, Albuquerque, NM 87185 USA.
RP Keeler, GA (reprint author), Sandia Natl Labs, POB 5800, Albuquerque, NM 87185 USA.
EM gakeele@sandia.gov
NR 4
TC 0
Z9 0
U1 1
U2 5
PU SPIE-INT SOC OPTICAL ENGINEERING
PI BELLINGHAM
PA 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA
SN 0277-786X
BN 978-0-8194-7290-8
J9 P SOC PHOTO-OPT INS
PY 2008
VL 7070
AR 70700V
DI 10.1117/12.792023
PG 8
WC Optics; Physics, Applied
SC Optics; Physics
GA BIZ50
UT WOS:000263959200028
ER
PT S
AU Martinez, LE
Caldwell, M
AF Martinez, L. E.
Caldwell, M.
BE Dickey, FM
Beyer, RA
TI Lightning Vulnerability of Fiber-Optic Cables
SO OPTICAL TECHNOLOGIES FOR ARMING, SAFING, FUZING, AND FIRING IV
SE PROCEEDINGS OF THE SOCIETY OF PHOTO-OPTICAL INSTRUMENTATION ENGINEERS
(SPIE)
LA English
DT Proceedings Paper
CT Conference on Optical Technologies for Arming Safing, Fuzing, and Firing
IV
CY AUG 13-14, 2008
CL San Diego, CA
SP SPIE
DE Lightning; vulnerability; grounded; enclosure; fiber; optic; cables;
isolation
AB One reason to use optical fibers to transmit data is for isolation from unintended electrical energy. Using fiber optics in an application where the fiber cable/system penetrates the aperture of a grounded enclosure serves two purposes: first, it allows for control signals to be transmitted where they are required, and second, the insulating properties of the fiber system help to electrically isolate the fiber terminations on the inside of the grounded enclosure. A fundamental question is whether fiber optic cables can allow electrical energy to pass through a grounded enclosure, with a lightning strike representing an extreme but very important case. A DC test bed capable of producing voltages up to 200 kV was used to characterize electrical properties of a variety of fiber optic cable samples. Leakage current in the samples were measured with a micro-Ammeter. In addition to the leakage current measurements, samples were also tested to DC voltage breakdown. After the fiber optic cables samples were tested with DC methods, they were tested under representative lightning conditions at the Sandia Lightning Simulator (SLS). Simulated lightning currents of 30 kA and 200 kA were selected for this test series. This paper documents measurement methods and test results for DC high voltage and simulated lightning tests performed at the Sandia Lightning Simulator on fiber optic cables. The tests performed at the SLS evaluated whether electrical energy can be conducted inside or along the surface of a fiber optic cable into a grounded enclosure under representative lightning conditions.
C1 [Martinez, L. E.; Caldwell, M.] Sandia Natl Labs, Albuquerque, NM 87185 USA.
RP Martinez, LE (reprint author), Sandia Natl Labs, POB 5800, Albuquerque, NM 87185 USA.
NR 0
TC 0
Z9 0
U1 0
U2 0
PU SPIE-INT SOC OPTICAL ENGINEERING
PI BELLINGHAM
PA 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA
SN 0277-786X
BN 978-0-8194-7290-8
J9 P SOC PHOTO-OPT INS
PY 2008
VL 7070
AR 70700C
DI 10.1117/12.795347
PG 10
WC Optics; Physics, Applied
SC Optics; Physics
GA BIZ50
UT WOS:000263959200010
ER
PT S
AU Pack, MV
Miller, PA
Shelton, J
AF Pack, Michael V.
Miller, Paul A.
Shelton, Jason
BE Dickey, FM
Beyer, RA
TI Dynamics of flashlamp pumping a Nd:Cr:GSGG laser
SO OPTICAL TECHNOLOGIES FOR ARMING, SAFING, FUZING, AND FIRING IV
SE PROCEEDINGS OF THE SOCIETY OF PHOTO-OPTICAL INSTRUMENTATION ENGINEERS
(SPIE)
LA English
DT Proceedings Paper
CT Conference on Optical Technologies for Arming Safing, Fuzing, and Firing
IV
CY AUG 13-14, 2008
CL San Diego, CA
SP SPIE
DE Fluorescence; laser inversion; Nd:Cr:GSGG; dynamics
ID GARNET
AB We investigate the inversion dynamics in Nd:Cr:GSGG laser rods as a function of pumping frequency in order to optimize Nd:Cr:GSGG Q switched lasers for rapid time to fire applications. By frequency filtering the pump light to the Nd:Cr:GSGG rod and measuring the florescence from the rod, we determine the dynamics for different excitation processes in the laser (i.e. direct excitation of the Nd ions or indirect excitation via Cr ions). We also measure the flashlamp pulse shape using various spectral filters This combination of measurements help LIS understand the processes contributing and limiting the efficiency of Nd:Cr:GSGG lasers when the lasers must fire on a short time scale.
C1 [Pack, Michael V.; Miller, Paul A.; Shelton, Jason] Sandia Natl Labs, Albuquerque, NM 87123 USA.
RP Pack, MV (reprint author), Sandia Natl Labs, 1515 Eubank SE, Albuquerque, NM 87123 USA.
EM mvpack@sandia.gov
NR 8
TC 0
Z9 0
U1 0
U2 1
PU SPIE-INT SOC OPTICAL ENGINEERING
PI BELLINGHAM
PA 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA
SN 0277-786X
BN 978-0-8194-7290-8
J9 P SOC PHOTO-OPT INS
PY 2008
VL 7070
AR 70700M
DI 10.1117/12.795195
PG 11
WC Optics; Physics, Applied
SC Optics; Physics
GA BIZ50
UT WOS:000263959200020
ER
PT S
AU Shelton, JW
Dickey, FM
Krishna, S
AF Shelton, Jason. W.
Dickey, Fred M.
Krishna, Sanjay
BE Dickey, FM
Beyer, RA
TI Series connected photovoltaic array performance under non-uniform
illumination
SO OPTICAL TECHNOLOGIES FOR ARMING, SAFING, FUZING, AND FIRING IV
SE PROCEEDINGS OF THE SOCIETY OF PHOTO-OPTICAL INSTRUMENTATION ENGINEERS
(SPIE)
LA English
DT Proceedings Paper
CT Conference on Optical Technologies for Arming Safing, Fuzing, and Firing
IV
CY AUG 13-14, 2008
CL San Diego, CA
SP SPIE
DE Photovoltaic array; optical power transfer; fiber illumination
AB The performance of a series connected photovoltaic array is limited by the photocell that is illuminated the least. This paper quantifies the effects of single-mode and multi-mode illumination and discusses the design parameters.
C1 [Shelton, Jason. W.; Dickey, Fred M.] Sandia Natl Labs, Albuquerque, NM 87185 USA.
RP Shelton, JW (reprint author), Sandia Natl Labs, POB 5800, Albuquerque, NM 87185 USA.
EM jshelto@sandia.gov
NR 13
TC 0
Z9 0
U1 0
U2 0
PU SPIE-INT SOC OPTICAL ENGINEERING
PI BELLINGHAM
PA 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA
SN 0277-786X
BN 978-0-8194-7290-8
J9 P SOC PHOTO-OPT INS
PY 2008
VL 7070
AR UNSP 70700R
DI 10.1117/12.809686
PG 8
WC Optics; Physics, Applied
SC Optics; Physics
GA BIZ50
UT WOS:000263959200024
ER
PT S
AU Awwal, AAS
Rice, KL
Leach, RR
Taha, TM
AF Awwal, Abdul A. S.
Rice, Kenneth L.
Leach, Richard R.
Taha, Tarek M.
BE Awwal, AAS
Iftekharuddin, KM
Javidi, B
TI Higher Accuracy Template for Corner Cube Reflected Image
SO OPTICS AND PHOTONICS FOR INFORMATION PROCESSING II
SE PROCEEDINGS OF THE SOCIETY OF PHOTO-OPTICAL INSTRUMENTATION ENGINEERS
(SPIE)
LA English
DT Proceedings Paper
CT Conference on Optics and Photonics for Information Processing II
CY AUG 13-14, 2008
CL San Diego, CA
SP SPIE
DE pattern recognition; matched filtering; automated optical alignment
ID NATIONAL-IGNITION-FACILITY
AB Video images of laser beams are analyzed to determine the position of the laser beams for alignment purpose in the National Ignition Facility (NIF). Algorithms process beam images to facilitate automated laser alignment. One Such beam image, known as the corner cube reflected pinhole image, exhibits wide beam quality variations that are processed by a matched-filter-based algorithm. The challenge is to design a representative template that captures these variations while at the same time assuring accurate position determination. This paper describes the development of a new analytical template to accurately estimate the center of a beam with good image quality. The templates are constructed to exploit several key recurring features observed in the beam images. When the beam Linage quality is low, the algorithm chooses a template that contains fewer features. The algorithm was implemented using a Xilinx Virtex II Pro FPGA implementation that provides a speedup of about 6.4 times over a baseline 3GHz Pentium 4 processor.
C1 [Awwal, Abdul A. S.; Leach, Richard R.] Lawrence Livermore Natl Lab, Natl Ignit Facil, Livermore, CA 94551 USA.
RP Awwal, AAS (reprint author), Lawrence Livermore Natl Lab, Natl Ignit Facil, Livermore, CA 94551 USA.
EM awwall@llnl.gov; awwall@llnl.gov
NR 9
TC 0
Z9 0
U1 0
U2 1
PU SPIE-INT SOC OPTICAL ENGINEERING
PI BELLINGHAM
PA 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA
SN 0277-786X
BN 978-0-8194-7292-2
J9 P SOC PHOTO-OPT INS
PY 2008
VL 7072
AR 70720V
DI 10.1117/12.798704
PG 6
WC Instruments & Instrumentation; Optics; Imaging Science & Photographic
Technology
SC Instruments & Instrumentation; Optics; Imaging Science & Photographic
Technology
GA BIZ55
UT WOS:000263963400023
ER
PT S
AU Bernacki, BE
Ho, N
AF Bernacki, Bruce E.
Ho, Nicolas
BE Halvorson, CS
Lehrfeld, D
Saito, TT
TI Differential spectroscopic imaging of particulate explosives residue -
art. no. 694517
SO OPTICS AND PHOTONICS IN GLOBAL HOMELAND SECURITY IV
SE PROCEEDINGS OF THE SOCIETY OF PHOTO-OPTICAL INSTRUMENTATION ENGINEERS
(SPIE)
LA English
DT Proceedings Paper
CT Conference on Optics and Photonics in Global Homeland Security IV
CY MAR 17-20, 2008
CL Orlando, FL
SP SPIE
DE explosives detection; spectroscopic imaging; absorption spectroscopy;
infrared imaging
ID SYSTEM; LASER
AB We present experimental results showing transmission and reflection imaging of approximately 100 mu g quantities of particulate explosives residue using a commercial uncooled microbolometer infrared camera and CO2 laser differential wavelength illumination. Fine particulates may be generated during bomb-making activities and these particulates can tenaciously adhere to packing material, as well as to the clothing or skin of the bomb maker and could be detectable during transportation. A rapid screening method that detects this residue can serve as a first-line screening method in conjunction with more sensitive, but invasive, approaches. Explosives exhibit absorption features in the mid-infrared molecular fingerprint region that spans 3 to 15 mu m, which can be probed with many high-brightness sources such as fixed wavelength and tunable quantum cascade lasers, CO2, CO, and OPO lasers. Commercial uncooled microbolometer cameras typically have detection sensitivity from 7.5 to 13 mu m, spanning an absorption region for explosives detection with adequate signal-to-noise ratio. By illuminating a target on and off its absorption wavelengths, ratio images of suspected residue can be obtained without any sample preparation or cooperation and contact with the target. Our proof-of-principle experiment employed tunable CO2 lasers, with a tuning range from 9.2 to 10.6 mu m, overlapping minor absorption features of RDX and Tetryl.
C1 [Bernacki, Bruce E.; Ho, Nicolas] Pacific NW Natl Lab, Richland, WA 99352 USA.
RP Bernacki, BE (reprint author), Pacific NW Natl Lab, 902 Battelle Blvd, Richland, WA 99352 USA.
NR 10
TC 1
Z9 1
U1 0
U2 5
PU SPIE-INT SOC OPTICAL ENGINEERING
PI BELLINGHAM
PA 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA
SN 0277-786X
BN 978-0-8194-7136-9
J9 P SOC PHOTO-OPT INS
PY 2008
VL 6945
BP 94517
EP 94517
DI 10.1117/12.776917
PG 8
WC Remote Sensing; Optics
SC Remote Sensing; Optics
GA BHX00
UT WOS:000257137100029
ER
PT S
AU Bisson, SE
Crocker, RW
Kulp, TJ
Reichardt, TA
Reilly, PTA
Whitten, WB
AF Bisson, Scott E.
Crocker, Robert W.
Kulp, Thomas J.
Reichardt, Thomas A.
Reilly, Peter T. A.
Whitten, William B.
BE Halvorson, CS
Lehrfeld, D
Saito, TT
TI Confirmatory measurement channels for LIF-based bioaerosol
instrumentation
SO OPTICS AND PHOTONICS IN GLOBAL HOMELAND SECURITY IV
SE Proceedings of SPIE
LA English
DT Proceedings Paper
CT Conference on Optics and Photonics in Global Homeland Security IV
CY MAR 17-20, 2008
CL Orlando, FL
SP SPIE
AB As part of the U.S. Department of Homeland Security Detect-to-Protect (DTP) program, a multilab [Sandia National Laboratories (SNL), Lawrence Livermore National Laboratories (LLNL), Pacific Northwest National Laboratory (PNNL), Oak Ridge National Laboratory (ORNL), and Los Alamos National Laboratory (LANL)] effort is addressing the need for useable detect-to-warn bioaerosol sensors for public facility protection. Towards this end, the SNL team is investigating the use of rapid fluorogenic staining to infer the protein content of bioaerosols. This is being implemented in a flow cytometer wherein each particle detected generates coincident signals of correlated forward scatter, side scatter, and fluorescence. Several thousand such coincident signal sets are typically collected to generate a distribution describing the probability of observing a particle with certain scattering and fluorescence values. These data are collected for sample particles in both a stained and unstained state. A linear unmixing analysis is performed to differentiate components in the mixture. In this paper, we discuss the implementation of the staining process and the cytometric measurement, the results of their application to the analysis of known and blind samples, and a potential instrumental implementations that would use staining.
C1 [Bisson, Scott E.; Kulp, Thomas J.; Reichardt, Thomas A.] Sandia Natl Labs, Livermore, CA 94551 USA.
RP Bisson, SE (reprint author), Sandia Natl Labs, Livermore, CA 94551 USA.
EM sebisso@sandia.gov
NR 0
TC 0
Z9 0
U1 0
U2 2
PU SPIE-INT SOC OPTICAL ENGINEERING
PI BELLINGHAM
PA 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA
SN 0277-786X
BN 978-0-8194-7136-9
J9 PROC SPIE
PY 2008
VL 6945
AR 69450S
DI 10.1117/12.777698
PG 12
WC Remote Sensing; Optics
SC Remote Sensing; Optics
GA BHX00
UT WOS:000257137100016
ER
PT S
AU Reichardt, TA
Bisson, SE
Crocker, RW
Kulp, TJ
AF Reichardt, Thomas A.
Bisson, Scott E.
Crocker, Robert W.
Kulp, Thomas J.
BE Halvorson, CS
Lehrfeld, D
Saito, TT
TI Analysis of flow-cytometer scattering and fluorescence data to identify
particle mixtures
SO OPTICS AND PHOTONICS IN GLOBAL HOMELAND SECURITY IV
SE Proceedings of SPIE
LA English
DT Proceedings Paper
CT Conference on Optics and Photonics in Global Homeland Security IV
CY MAR 17-20, 2008
CL Orlando, FL
SP SPIE
ID SENSOR
AB As part of the U.S. Department of Homeland Security Detect-to-Protect program, a multilab [Sandia National Laboratories (SNL), Lawrence Livermore National Laboratories (LLNL), Pacific Northwest National Laboratory (PNNL), Oak Ridge National Laboratory (ORNL), and Los Alamos National Laboratory (LANL)] effort is addressing the need for useable detect-to-warn bioaerosol sensors for public facility protection. Towards this end, the SNL team is employing rapid fluorogenic staining to infer the protein content of bioaerosols. This is being implemented in a flow cytometry platform wherein each particle detected generates coincident signals of forward scatter, side scatter, and fluorescence. Several thousand such coincident signal sets are typically collected to generate a probability distribution over the scattering and fluorescence values. A linear unmixing analysis is performed to differentiate components in the mixture. After forming a library of pure component distributions from measured pure material samples, the distribution of an unknown mixture of particles is treated as a linear combination of the pure component distributions. The scattering/fluorescence probability distribution data vector a is considered the product of two vectors, the fractional profile f and the scattering/fluorescence distributions from pure components P. A least squares procedure minimizes the magnitude of the residual vector e in the expression a = fp(T) + e. The profile f designates a weighting fraction for each particle type included in the set of pure components, providing the composition of the unknown mixture. We discuss testing of this analysis approach and steps we have taken to evaluate the effect of interferents, both known and unknown.
C1 [Reichardt, Thomas A.; Bisson, Scott E.; Crocker, Robert W.; Kulp, Thomas J.] Sandia Natl Labs, Livermore, CA 94551 USA.
RP Reichardt, TA (reprint author), Sandia Natl Labs, POB 969, Livermore, CA 94551 USA.
EM tareich@sandia.gov
NR 9
TC 0
Z9 0
U1 0
U2 2
PU SPIE-INT SOC OPTICAL ENGINEERING
PI BELLINGHAM
PA 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA
SN 0277-786X
BN 978-0-8194-7136-9
J9 PROC SPIE
PY 2008
VL 6945
AR 69450R
DI 10.1117/12.777407
PG 8
WC Remote Sensing; Optics
SC Remote Sensing; Optics
GA BHX00
UT WOS:000257137100015
ER
PT S
AU Yang, L
Hibbard, W
Edwards, D
Franco, D
Fruetel, J
Tucker, M
Einfeld, W
Knowlton, R
Brown, G
Brockmann, J
Greenwalt, R
Miles, R
Raber, E
Carlsen, T
Krauter, P
Dillon, M
MacQueen, D
Intrepido, T
Hoppes, B
Wilson, W
Mancieri, S
AF Yang, Lynn
Hibbard, Wilthea
Edwards, Donna
Franco, David
Fruetel, Julie
Tucker, Mark
Einfeld, Wayne
Knowlton, Robert
Brown, Gary
Brockmann, John
Greenwalt, Robert
Miles, Robin
Raber, Ellen
Carlsen, Tina
Krauter, Paula
Dillon, Michael
MacQueen, Don
Intrepido, Tony
Hoppes, Bill
Wilson, Wendy
Mancieri, Sav
BE Halvorson, CS
Lehrfeld, D
Saito, TT
TI Wide area restoration following biological contamination
SO OPTICS AND PHOTONICS IN GLOBAL HOMELAND SECURITY IV
SE Proceedings of SPIE
LA English
DT Proceedings Paper
CT Conference on Optics and Photonics in Global Homeland Security IV
CY MAR 17-20, 2008
CL Orlando, FL
SP SPIE
DE wide area biological restoration; anthrax; decontamination; systems
analysis; IBRD
AB Current understanding of how to restore a wide area that has been contaminated following a large biological attack is limited. The Department of Homeland Security and Department of Defense are executing a four-year collaborative program named the Interagency Biological Restoration Demonstration (IBRD) program. This program is aimed at developing technologies, methods, plans and policies necessary to restore a wide area, including military installations and critical infrastructures, in the event of a large outdoor aerosol release of anthrax. The IBRD program partner pilot city is the Seattle Urban Area to include Fort Lewis, WA and McChord Air Force Base. A front-end systems analysis was conducted as part of IBRD, to: 1) assess existing technologies and processes for wide area restoration; from this, 2) develop an "as-is" decision framework for wide area restoration; and 3) identify and prioritize capability gaps. Qualitative assessments and quantitative analyses, including sensitivity, timeline and case study analyses, were conducted to evaluate existing processes and rank capability gaps. This paper describes the approach and results from this front-end systems analysis.
C1 [Yang, Lynn; Edwards, Donna; Franco, David; Fruetel, Julie] Sandia Natl Labs, Livermore, CA 94550 USA.
RP Yang, L (reprint author), Sandia Natl Labs, 7011 E Ave, Livermore, CA 94550 USA.
EM liyang@sandia.gov
NR 3
TC 0
Z9 0
U1 1
U2 5
PU SPIE-INT SOC OPTICAL ENGINEERING
PI BELLINGHAM
PA 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA
SN 0277-786X
BN 978-0-8194-7136-9
J9 PROC SPIE
PY 2008
VL 6945
AR 69450I
DI 10.1117/12.782226
PG 12
WC Remote Sensing; Optics
SC Remote Sensing; Optics
GA BHX00
UT WOS:000257137100011
ER
PT J
AU Carrasquilla-Alvarez, J
Castaneda, R
Garcia-Sucerquia, J
Schofield, MA
Beleggia, M
Zhu, Y
Matteucci, G
AF Carrasquilla-Alvarez, J.
Castaneda, R.
Garcia-Sucerquia, J.
Schofield, M. A.
Beleggia, M.
Zhu, Y.
Matteucci, G.
TI Retrieving the complex degree of spatial coherence of electron beams
SO OPTIK
LA English
DT Article
ID CENTERED REDUCED MOMENTS; QUALITY DESCRIPTORS; SPOT MOMENTS
AB The possibility to characterize the coherence properties of an electron source is presented. The method, based on the determination of centered-reduced moments of the beam spot, allows the evaluation of both amplitude and phase of the complex degree of spatial coherence. The experimental results are in agreement with a different approach based on the Fourier analysis and with calculations according to the Van Cittert-Zernike theorem. (C) 2006 Published by Elsevier GmbH.
C1 [Schofield, M. A.; Beleggia, M.; Zhu, Y.] Assoc Univ Inc, Brookhaven Natl Lab, Ctr Funct Nanomat, Upton, NY 11973 USA.
[Carrasquilla-Alvarez, J.; Castaneda, R.; Garcia-Sucerquia, J.] Univ Nacl Colombia, Sch Phys, Medellin, Colombia.
[Garcia-Sucerquia, J.] Dalhousie Univ, Dept Phys, Halifax, NS B3H 3J5, Canada.
[Matteucci, G.] Univ Bologna, Dept Phys, I-40127 Bologna, Italy.
RP Schofield, MA (reprint author), Assoc Univ Inc, Brookhaven Natl Lab, Ctr Funct Nanomat, Upton, NY 11973 USA.
EM carrasqu@ictp.it; rcastane@unalmed.edu.co; jigarcia@fizz.phys.dal.ca;
schofieid@bnl.gov; beleggia@bnl.gov; zhu@bnl.gov;
giorgio.matteucci@bo.infm.it
RI Carrasquilla, Juan/H-3653-2014;
OI Beleggia, Marco/0000-0002-2888-1888; Carrasquilla,
Juan/0000-0001-7263-3462; Garcia-Sucerquia, Jorge/0000-0003-3449-6094
NR 13
TC 4
Z9 4
U1 0
U2 2
PU ELSEVIER GMBH, URBAN & FISCHER VERLAG
PI JENA
PA OFFICE JENA, P O BOX 100537, 07705 JENA, GERMANY
SN 0030-4026
J9 OPTIK
JI Optik
PY 2008
VL 119
IS 3
BP 127
EP 133
DI 10.1016/j.ijleo.2006.07.007
PG 7
WC Optics
SC Optics
GA 267GD
UT WOS:000253496600005
ER
PT S
AU Almaas, E
Holder, A
Livingstone, K
AF Almaas, Eivind
Holder, Allen
Livingstone, Kevin
BE Lim, GJ
Lee, EK
TI Introduction to Systems Biology for Mathematical Programmers
SO OPTIMIZATION IN MEDICINE AND BIOLOGY
SE Engineering and Management Innovation
LA English
DT Article; Book Chapter
ID PROTEIN-INTERACTION NETWORKS; ESCHERICHIA-COLI MG1655; SCALE METABOLIC
MODEL; COMPLEX NETWORKS; SACCHAROMYCES-CEREVISIAE; SENSITIVITY-ANALYSIS;
PARAMETRIC ANALYSIS; FLUX ANALYSIS; YEAST; GENOME
AB Many recent advances in biology, medicine, and health care are due to computational efforts that rely on new mathematical results. These mathematical tools lie in discrete mathematics, statistics and probability, and optimization, and when combined with savvy computational tools and an understanding of cellular biology, they are capable of remarkable results. One of the most significant areas of growth is in the field of systems biology, where we are using detailed biological information to construct models that describe larger entities. This chapter is designed to be an introduction to systems biology for individuals in operations research (OR) and mathematical programming who already know the Supporting Mathematics but are Unaware of current research in this field.
C1 [Almaas, Eivind] Lawrence Livermore Natl Lab, Microbial Syst Biol Biosci & Biotechnol Div, Livermore, CA USA.
[Holder, Allen] Trinity Univ, Dept Math, San Antonio, TX 78212 USA.
[Livingstone, Kevin] Trinity Univ, Dept Biol, San Antonio, TX 78212 USA.
RP Almaas, E (reprint author), Lawrence Livermore Natl Lab, Microbial Syst Biol Biosci & Biotechnol Div, Livermore, CA USA.
NR 79
TC 1
Z9 1
U1 0
U2 0
PU AUERBACH PUBLICATIONS, TAYLOR & FRANCIS GROUP
PI BOCA RATON
PA 6000 BROKEN SOUND PARKWAY NW, STE 300, BOCA RATON, FL 33487-2742 USA
SN 2155-854X
BN 978-0-8493-0563-4
J9 ENG MANAG INNOV
PY 2008
BP 311
EP 353
D2 10.1201/9780849305696
PG 43
WC Engineering, Biomedical; Engineering, Industrial
SC Engineering
GA BKG38
UT WOS:000268012400011
ER
PT J
AU Klippenstein, S
Crichton, H
AF Klippenstein, Stephen
Crichton, Hilary
TI Model behaviour
SO ORGANIC & BIOMOLECULAR CHEMISTRY
LA English
DT Editorial Material
C1 [Klippenstein, Stephen] Argonne Natl Lab, Argonne, IL 60439 USA.
RP Klippenstein, S (reprint author), Argonne Natl Lab, Argonne, IL 60439 USA.
NR 0
TC 0
Z9 0
U1 0
U2 0
PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 1477-0520
J9 ORG BIOMOL CHEM
JI Org. Biomol. Chem.
PY 2008
VL 6
IS 6
BP C23
EP C23
PG 1
WC Chemistry, Organic
SC Chemistry
GA 273CW
UT WOS:000253909000001
ER
PT J
AU Bird, JA
Kleber, M
Torn, MS
AF Bird, Jeffrey A.
Kleber, Markus
Torn, Margaret S.
TI C-13 and N-15 stabilization dynamics in soil organic matter fractions
during needle and fine root decomposition
SO ORGANIC GEOCHEMISTRY
LA English
DT Article
ID CARBON DYNAMICS; FOREST SOIL; DENSITY FRACTIONATION; LITTER
DECOMPOSITION; NITROGEN DYNAMICS; TEMPERATE FOREST; HUMIC SUBSTANCES;
RESIDENCE TIMES; MECHANISMS; TURNOVER
AB Little is known about how the chemical composition of plant litter affects the amount and nature of C and N stabilized as soil organic matter (SOM). We examined the fate of dual labeled C-13 and N-15 Ponderosa pine fine roots (< 2 mm) and needles decomposing for 2 yr in situ in a temperate conifer forest soil in the Sierra Nevada, CA, USA. We compared the distribution and stabilization of litter derived C and N in four SOM pools using a density fractionation procedure followed by an alkaline extraction of the dense fraction into fulvic, humic, and humin fractions. The C turnover times (estimated with natural abundance C-14) of these SOM fractions were distinct and ranged from 5 yr (light fraction) to 260 yr (insoluble humin). Input of C as roots resulted in 28%, more total C retained in soil when compared to inputs as needles. Twice as much root C-13 was present in the particulate soil (> 2 mm) than for needles, while bulk soil (< 2 mm) C-13 and N-15 recoveries were similar between litters. SOM fractions provided greater sensitivity than bulk soil and showed significant differences between litters in both the amount and chemical composition of C-13 and N-15 compounds recovered within SOM fractions. More needle C-13 was retained in humic and humin fractions than was C-13 from roots. The chemical composition of stabilized organic molecules differed fundamentally between needle and root sources within the dense fraction SOM pools, especially during the first year. Root inputs were stabilized predominately as N-rich biomolecules in the humic and humin fractions, while needles contributed C-rich biomolecules to these dense fraction SOM pools. The large pulse of C-rich compounds from the more labile needles recovered in the humic and humin fractions did not persist after 1.5 yr, suggesting that low C:N ratio compounds derived from decomposing litters may stabilize more strongly and persist within the dense fraction SOM pools. The fundamental differences in C and N pathways during decomposition and stabilization of below ground (root) and above ground (needle) litters suggest that shifts in plant C allocation may influence the long term stability of plant-derived C in soil. (c) 2007 Elsevier Ltd. All rights reserved.
C1 [Bird, Jeffrey A.] CUNY, Queens Coll, Sch Earth & Environm Sci, Flushing, NY 11367 USA.
[Bird, Jeffrey A.; Kleber, Markus; Torn, Margaret S.] Lawrence Berkeley Natl Lab, Earth Sci Lab, Berkeley, CA 94720 USA.
RP Bird, JA (reprint author), CUNY, Queens Coll, Sch Earth & Environm Sci, E-220 New Sci Bldg,65-30 Kissena Blvd, Flushing, NY 11367 USA.
EM jbird@qc.cuny.edu
RI Bird, Jeffrey/H-8751-2012; Torn, Margaret/D-2305-2015
OI Bird, Jeffrey/0000-0002-0939-0637;
NR 42
TC 58
Z9 60
U1 9
U2 75
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 0146-6380
J9 ORG GEOCHEM
JI Org. Geochem.
PY 2008
VL 39
IS 4
BP 465
EP 477
DI 10.1016/j.orggeochem.2007.12.003
PG 13
WC Geochemistry & Geophysics
SC Geochemistry & Geophysics
GA 304RF
UT WOS:000256125900008
ER
PT S
AU Zhong, C
Bao, YP
Vu, DM
Dyer, RB
Martinez, JS
AF Zhong, Chang
Bao, Yuping
Vu, Dung M.
Dyer, R. Brian
Martinez, Jennifer S.
BE Barbe, C
Laine, RM
Sanchez, C
Schubert, U
TI Fabrication of fluorescent cellular probes: Hybrid dendrimer/gold
nanoclusters
SO ORGANIC/INORGANIC HYBRID MATERIALS - 2007
SE MATERIALS RESEARCH SOCIETY SYMPOSIUM PROCEEDINGS
LA English
DT Proceedings Paper
CT Symposium on Organic-Inorganic Hybrid Materials
CY APR 09-13, 2007
CL San Francisco, CA
SP Mat Res Soc
ID METAL NANOPARTICLES; GOLD CLUSTERS; QUANTUM DOTS; AU CLUSTERS;
PHOTOLUMINESCENCE; NANOCRYSTALS; EMISSION
AB Fluorescent metal nanoclusters, which consist of collections of small numbers of noble metal atoms, are of great interest in photochemistry and photophysics due to their strong size-dependent emission. Historically their generation was confined to gaseous and solid phases; however, recently a unique organic/inorganic hybrid materials approach was developed that utilizes dendrimers as templates to protect nanoclusters from solution based fluorescence quenching. These hybrid dendrimer/gold nanoclusters are water-soluble and highly fluorescent. Yet there are several intrinsic deficiencies in their synthetic method: first, NaBH4, a toxic chemical, was used as reducing agent in the reaction; and second, the reaction yield was low due to the concurrent formation of large, non-emissive, gold particles. Here we report a particle-free method to produce dendrimer-encapsulated gold nanoclusters in high-yield. Proof of concept is demonstrated using OH-terminated poly(amidoamine) dendrimer and Au(PX3)(3)Cl (X = Ph, Me), but the approach can also-be extended to the combination of other dendrimers and organic noble metal salts. Our approach yields fluorescent clusters with homogeneous size distribution. These clusters can be transferred to aqueous solution and used directly for biological applications.
C1 [Zhong, Chang; Bao, Yuping; Martinez, Jennifer S.] Los Alamos Natl Lab, Ctr Integrated Nanotechnol, Los Alamos, NM 87544 USA.
RP Zhong, C (reprint author), Los Alamos Natl Lab, Ctr Integrated Nanotechnol, MS K771, Los Alamos, NM 87544 USA.
NR 31
TC 0
Z9 0
U1 0
U2 3
PU MATERIALS RESEARCH SOCIETY
PI WARRENDALE
PA 506 KEYSTONE DRIVE, WARRENDALE, PA 15088-7563 USA
SN 0272-9172
BN 978-1-55899-967-1
J9 MATER RES SOC SYMP P
PY 2008
VL 1007
BP 265
EP 270
PG 6
WC Materials Science, Multidisciplinary; Polymer Science
SC Materials Science; Polymer Science
GA BHV55
UT WOS:000256796400032
ER
PT S
AU Chen, Y
Cai, M
Xiao, T
Hellerich, E
Shinar, J
AF Chen, Ying
Cai, Min
Xiao, Teng
Hellerich, Emily
Shinar, Joseph
BE So, F
Adachi, C
TI Optically Detected Magnetic Resonance (ODMR) Studies of Trions in
Organic Light-Emitting Materials and OLEDs, and Their Possible Relation
to Long-Term OLED Degradation
SO ORGANIC LIGHT EMITTING MATERIALS AND DEVICES XII
SE PROCEEDINGS OF THE SOCIETY OF PHOTO-OPTICAL INSTRUMENTATION ENGINEERS
(SPIE)
LA English
DT Proceedings Paper
CT 12th Conference on Organic Light Emitting Materials and Devices
CY AUG 10-12, 2008
CL San Diego, CA
SP SPIE
DE OLEDs; photoluminescence quenching processes; electroluminescence
quenching processes; bipolarons; trions; OLED degradation
ID PI-CONJUGATED POLYMERS; COMBINATORIAL FABRICATION; PHOTOEXCITED STATES;
DEVICES; DIODES; ELECTROLUMINESCENCE; PHOTOLUMINESCENCE; DYNAMICS;
POLARONS; PPV
AB Some recent photoluminescence (PL)- and electroluminescence (EL)-detected magnetic resonance (PLDMR and ELDMR, respectively) studies of the negative (PL- and EL-quenching) spin 1/2 resonance are reviewed. These include the resonances in poly[2-(N-carbazolyl)-5-(2'-ethyl)-hexoxy-1,4-phenylenevinylene] (CzEh-PPV) films, rubrene films, tris(quinolinolate) Al (Alq(3)) OLEDs, rubrene-doped Alq(3) OLEDs, and fac tris(2-phenylpyridine) iridium [Ir(ppy(3))]- doped poly(N-vinyl carbazole) (PVK) polymer LEDs (PLEDs). The resonances are all assigned to quenching of SEs by trions, which are bipolarons stabilized by a counterpolaron or counterion. As bipolarons arc spinless, their formation from two like-charged polarons is spin-dependent, and hence enhanced at resonance. This enhanced formation, and the resulting enhanced quenching of SEs, yields the negative spin 1/2 PLDMR and ELDMR. As previously shown, since trion formation also reduces the mobility of the trapped carriers, this process also results in a negative spin 1/2 electrical Current-detected magnetic resonance (EDMR). Importantly, since the counterpolaron is usually trapped, e.g., at organic/cathode or organic/organic interfaces, or at impurity sites such the oxygen center in rubrene, it is suspected that the trions might be responsible for the long term degradation of OLEDs and PLEDs associated with abrupt junctions or impurities.
C1 [Chen, Ying] Iowa State Univ, US DOE, Ames Lab, Ames, IA 50011 USA.
RP Chen, Y (reprint author), Iowa State Univ, US DOE, Ames Lab, Ames, IA 50011 USA.
RI Cai, Min/A-2678-2014
NR 39
TC 0
Z9 0
U1 0
U2 7
PU SPIE-INT SOC OPTICAL ENGINEERING
PI BELLINGHAM
PA 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA
SN 0277-786X
BN 978-0-8194-7271-7
J9 P SOC PHOTO-OPT INS
PY 2008
VL 7051
AR 70510G
DI 10.1117/12.796198
PG 7
WC Instruments & Instrumentation; Nuclear Science & Technology; Optics
SC Instruments & Instrumentation; Nuclear Science & Technology; Optics
GA BIS50
UT WOS:000262438400008
ER
PT S
AU Boye, RR
Washburn, CM
Samora, S
Kernme, SA
Wheeler, DR
Buller, DL
AF Boye, R. R.
Washburn, C. M.
Samora, S.
Kernme, S. A.
Wheeler, D. R.
Buller, D. L.
BE Nelson, RL
Kajzar, F
Kaino, T
TI Effect of ionizing radiation on infrared polarizers based on conductive
polymer
SO ORGANIC PHOTONIC MATERIALS AND DEVICES X
SE PROCEEDINGS OF THE SOCIETY OF PHOTO-OPTICAL INSTRUMENTATION ENGINEERS
(SPIE)
LA English
DT Proceedings Paper
CT Conference on Organic Photonic Materials and Devices X
CY JAN 22-24, 2008
CL San Jose, CA
SP SPIE
DE conductive polymer; subwavelength grating; polarization; infrared;
microstructure devices; ionizing radiation
ID POLYPYRROLE FILMS; POLYANILINE; PYRROLE; INTERFACE; SILICON; ARRAYS
AB Conductive polymers have become an extremely useful class of materials for many optical applications. We have developed an electrochemical growth method for depositing highly conductive (similar to 100 S/cm) polypyrrole. Additionally, we have adapted advanced fabrication methods for use with the polypyrrole resulting in gratings with submicron features. This conductive polymer micro-wire grid provides an optical polarizer with unique properties. When the polymer is exposed to ionizing radiation, its conductivity is affected and the polarization properties of the device, specifically the extinction ratio, change in a corresponding manner. This change in polarization properties can be determined by optically interrogating the device, possibly from a remote location. The result is a passive radiation-sensitive sensor with very low optical visibility. The ability to interrogate the device from a safe standoff distance provides a device useful in potentially dangerous environments. Also, the passive nature of the device make it applicable in applications where external power is not available. We will review the polymer deposition, fabrication methods and device design and modeling. The characterization of the polymer's sensitivity to ionizing radiation and optical testing of infrared polarizers before and after irradiation will also be presented. These experimental results will highlight the usefulness of the conductive infrared polarizer to many security and monitoring applications.
C1 [Boye, R. R.; Washburn, C. M.; Kernme, S. A.; Wheeler, D. R.; Buller, D. L.] Sandia Natl Labs, Albuquerque, NM 87185 USA.
RP Boye, RR (reprint author), Sandia Natl Labs, POB 5800, Albuquerque, NM 87185 USA.
NR 30
TC 0
Z9 0
U1 0
U2 0
PU SPIE-INT SOC OPTICAL ENGINEERING
PI BELLINGHAM
PA 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA
SN 0277-786X
BN 978-0-8194-7066-9
J9 P SOC PHOTO-OPT INS
PY 2008
VL 6891
BP U129
EP U139
PG 11
WC Chemistry, Applied; Optics; Polymer Science
SC Chemistry; Optics; Polymer Science
GA BHO41
UT WOS:000254820100014
ER
PT S
AU Ogawa, K
Achyuthan, KE
Chemburu, S
Ji, E
Liu, Y
Lopez, GP
Schanze, KS
Whitten, DG
AF Ogawa, K.
Achyuthan, K. E.
Chemburu, S.
Ji, E.
Liu, Y.
Lopez, G. P.
Schanze, K. S.
Whitten, D. G.
BE Bernards, DA
Owens, RM
Malliaras, GG
TI Polyelectrolyte-Based Fluorescent Sensors
SO ORGANIC SEMICONDUCTORS IN SENSOR APPLICATIONS
SE Springer Series in Materials Science
LA English
DT Article; Book Chapter
ID CONJUGATED POLYMER FLUORESCENCE; HIGHLY SENSITIVE DETECTION; CYANINE
DYE; J-AGGREGATE; CATIONIC POLYELECTROLYTE; FLUOROMETRIC ASSAY; DNA;
SURFACTANT; ASSEMBLIES; PHOSPHOLIPASE-A2
C1 [Ogawa, K.; Ji, E.; Liu, Y.; Schanze, K. S.] Univ Florida, Dept Chem, Gainesville, FL 32611 USA.
[Chemburu, S.; Lopez, G. P.; Whitten, D. G.] Univ New Mexico, Dept Chem & Nucl Engn, Ctr Biomed Engn, Albuquerque, NM 87131 USA.
[Achyuthan, K. E.] Sandia Natl Labs, Dept Biosensors & Nanomat, Albuquerque, NM 87123 USA.
RP Ogawa, K (reprint author), Univ Florida, Dept Chem, Gainesville, FL 32611 USA.
NR 60
TC 3
Z9 3
U1 1
U2 1
PU SPRINGER-VERLAG BERLIN
PI BERLIN
PA HEIDELBERGER PLATZ 3, D-14197 BERLIN, GERMANY
SN 0933-033X
BN 978-3-540-76313-0
J9 SPRINGER SER MATER S
PY 2008
VL 107
BP 39
EP 60
D2 10.1007/978-3-540-76314-7
PG 22
WC Engineering, Electrical & Electronic; Materials Science,
Multidisciplinary
SC Engineering; Materials Science
GA BKC23
UT WOS:000267736900002
ER
PT S
AU Shinar, R
Shinar, J
AF Shinar, R.
Shinar, J.
BE Bernards, DA
Owens, RM
Malliaras, GG
TI Structurally Integrated Photoluminescent Chemical and Biological
Sensors: An Organic Light-Emitting Diode-Based Platform
SO ORGANIC SEMICONDUCTORS IN SENSOR APPLICATIONS
SE Springer Series in Materials Science
LA English
DT Article; Book Chapter
ID METHYLOSINUS-TRICHOSPORIUM OB3B; LUMINESCENT OXYGEN SENSORS; ANTHRAX
LETHAL FACTOR; SOL-GEL MATRIX; DISSOLVED-OXYGEN; COMBINATORIAL
FABRICATION; MULTIANALYTE IMMUNOASSAYS; THERMODYNAMIC PROPERTIES;
RUTHENIUM(II) COMPLEXES; EXCITATION SOURCE
C1 [Shinar, R.] Iowa State Univ, Microelect Res Ctr, Ames, IA 50011 USA.
[Shinar, J.] Iowa State Univ, Ames Lab, USDOE, Ames, IA 50011 USA.
[Shinar, J.] Iowa State Univ, Dept Phys & Astron, Ames, IA 50011 USA.
RP Shinar, R (reprint author), Iowa State Univ, Microelect Res Ctr, Ames, IA 50011 USA.
NR 106
TC 0
Z9 0
U1 2
U2 2
PU SPRINGER-VERLAG BERLIN
PI BERLIN
PA HEIDELBERGER PLATZ 3, D-14197 BERLIN, GERMANY
SN 0933-033X
BN 978-3-540-76313-0
J9 SPRINGER SER MATER S
PY 2008
VL 107
BP 61
EP 96
D2 10.1007/978-3-540-76314-7
PG 36
WC Engineering, Electrical & Electronic; Materials Science,
Multidisciplinary
SC Engineering; Materials Science
GA BKC23
UT WOS:000267736900003
ER
PT S
AU Moller, P
Slerk, AJ
Bengtsson, R
Ichikawa, T
Iwamoto, A
AF Moller, P.
Slerk, A. J.
Bengtsson, R.
Ichikawa, T.
Iwamoto, A.
BE Suda, T
Nozawa, T
Ohnishi, A
Kato, K
Fujimoto, M
Kajino, T
Kubono, S
TI New global calculation of nuclear masses and fission barriers for
astrophysical applications
SO ORIGIN OF MATTER AND EVOLUTION OF GALAXIES
SE AIP Conference Proceedings
LA English
DT Proceedings Paper
CT 10th International Symposium on Origin of Matter and Evolution of
Galaxies
CY DEC 04-07, 2007
CL Sapporo, JAPAN
SP Hokkaido Univ, Dept Cosmosci, Natl Astron Observ Japan, Univ Tokyo, Ctr Nucl Study, RIKEN, Okasa Univ, Res Ctr Nucl Phys, KEK, Univ Tokyo, Dept Astron, Sci Council Japan, Phys Soc Japan, Astron Soc Japan
DE nuclear masses; fission barriers
AB The FRDM(1992) mass model [1] has an accuracy of 0.669 MeV in the region where its parameters were determined. For the 529 masses that have been measured since, its accuracy is 0.46 MeV, which is encouraging for applications far from stability in astrophysics. We are developing an improved mass model, the FRDM(2008). The improvements in the calculations with respect to the FRDM(1992) are in two main areas. (1) The macroscopic model parameters are better optimized. By simulation (adjusting to a limited set of now known nuclei) we can show that this actually makes the results more reliable in new regions of nuclei. (2) The ground-state deformation parameters are more accurately calculated. We minimize the energy in a four-dimensional deformation space (epsilon(2), epsilon(3), epsilon(4), epsilon(6)) using a grid interval of 0.01 in all 4 deformation variables. The (non-finalized) FRDM (2008-a) has an accuracy of 0.596 MeV with respect to the 2003 Audi mass evaluation before triaxial shape degrees of freedom are included (in progress). When triaxiality effects are incorporated preliminary results indicate that the model accuracy will improve further, to about 0.586 Mev.
We also discuss very large-scale fission-barrier calculations in the related FRLDM (2002) model, which has been shown to reproduce very satisfactorily known fission properties, for example barrier heights from Se-70 to the heaviest elements, multiple fission modes in the Ra region, asymmetry of mass division in fission and the triple-humped structure found in light actinides. In the superheavy region we find barriers consistent with the observed half-lives. We have completed production calculations and obtain barrier heights for 5254 nuclei heavier than A = 170 for all nuclei between the proton and neutron drip lines. The energy is calculated for 5009325 different shapes for each nucleus and the optimum barrier between ground state and separated fragments is determined by use of an "immersion" technique.
C1 [Moller, P.; Slerk, A. J.] Los Alamos Natl Lab, Div Theoret, POB 1663, Los Alamos, NM 87545 USA.
[Bengtsson, R.] Lund Inst Technol, Dept Math Phys, SE-22100 Lund, Sweden.
[Ichikawa, T.] RIKEN, Nishina Ctr, Wako, Saitama 3510198, Japan.
[Iwamoto, A.] Japan Atom Energy Agcy JAEA, Naka, Ibaraki 3191195, Japan.
RP Moller, P (reprint author), Los Alamos Natl Lab, Div Theoret, POB 1663, Los Alamos, NM 87545 USA.
OI Moller, Peter/0000-0002-5848-3565
NR 9
TC 7
Z9 7
U1 0
U2 0
PU AMER INST PHYSICS
PI MELVILLE
PA 2 HUNTINGTON QUADRANGLE, STE 1NO1, MELVILLE, NY 11747-4501 USA
SN 0094-243X
BN 978-0-7354-0537-0
J9 AIP CONF PROC
PY 2008
VL 1016
BP 150
EP +
PG 2
WC Astronomy & Astrophysics
SC Astronomy & Astrophysics
GA BHT92
UT WOS:000256349600022
ER
PT S
AU Rehm, KE
AF Rehm, K. E.
BE Suda, T
Nozawa, T
Ohnishi, A
Kato, K
Fujimoto, M
Kajino, T
Kubono, S
TI Structure and reaction experiments for nuclear astrophysics
SO ORIGIN OF MATTER AND EVOLUTION OF GALAXIES
SE AIP Conference Proceedings
LA English
DT Proceedings Paper
CT 10th International Symposium on Origin of Matter and Evolution of
Galaxies
CY DEC 04-07, 2007
CL Sapporo, JAPAN
SP Hokkaido Univ, Dept Cosmosci, Natl Astron Observ Japan, Univ Tokyo, Ctr Nucl Study, RIKEN, Okasa Univ, Res Ctr Nucl Phys, KEK, Univ Tokyo, Dept Astron, Sci Council Japan, Phys Soc Japan, Astron Soc Japan
DE nuclear astrophysics
ID CROSS-SECTION
AB Astrophysics is a rapidly growing field, driven by observations from ground and space-based telescopes. Nuclear physics provides critical input parameters, such as cross sections, masses and half-lives, which are important for the interpretation of the observational data. In this contribution recent accomplishments from structure and reaction experiments relevant to studies in nuclear astrophysics will be discussed.
C1 Argonne Natl Lab, Div Phys, Argonne, IL 60439 USA.
RP Rehm, KE (reprint author), Argonne Natl Lab, Div Phys, 9700 S Cass Ave, Argonne, IL 60439 USA.
NR 58
TC 0
Z9 0
U1 0
U2 1
PU AMER INST PHYSICS
PI MELVILLE
PA 2 HUNTINGTON QUADRANGLE, STE 1NO1, MELVILLE, NY 11747-4501 USA
SN 0094-243X
BN 978-0-7354-0537-0
J9 AIP CONF PROC
PY 2008
VL 1016
BP 171
EP 178
PG 8
WC Astronomy & Astrophysics
SC Astronomy & Astrophysics
GA BHT92
UT WOS:000256349600025
ER
PT S
AU Togano, Y
Gomi, T
Motobayashi, T
Ando, Y
Aoi, N
Baba, H
Demichi, K
Elekes, Z
Fukuda, N
Fulop, Z
Futakami, U
Hasegawa, H
Higurashi, Y
Ieki, K
Imai, N
Ishihara, M
Ishikawa, K
Iwasa, N
Iwasaki, H
Kanno, S
Kondo, Y
Kubo, T
Kubono, S
Kunibu, M
Kurita, K
Matsuyama, YU
Michimasa, S
Minemura, T
Miura, M
Murakami, H
Nakamura, T
Notani, M
Ota, S
Saito, A
Sakurai, H
Serata, M
Shimoura, S
Sugimoto, T
Takeshita, E
Takeuchi, S
Ue, K
Yamada, K
Yanagisawa, Y
Yoneda, K
Yoshida, A
AF Togano, Y.
Gomi, T.
Motobayashi, T.
Ando, Y.
Aoi, N.
Baba, H.
Demichi, K.
Elekes, Z.
Fukuda, N.
Fulop, Zs.
Futakami, U.
Hasegawa, H.
Higurashi, Y.
Ieki, K.
Imai, N.
Ishihara, M.
Ishikawa, K.
Iwasa, N.
Iwasaki, H.
Kanno, S.
Kondo, Y.
Kubo, T.
Kubono, S.
Kunibu, M.
Kurita, K.
Matsuyama, Y. U.
Michimasa, S.
Minemura, T.
Miura, M.
Murakami, H.
Nakamura, T.
Notani, M.
Ota, S.
Saito, A.
Sakurai, H.
Serata, M.
Shimoura, S.
Sugimoto, T.
Takeshita, E.
Takeuchi, S.
Ue, K.
Yamada, K.
Yanagisawa, Y.
Yoneda, K.
Yoshida, A.
BE Suda, T
Nozawa, T
Ohnishi, A
Kato, K
Fujimoto, M
Kajino, T
Kubono, S
TI Investigation of stellar Si-26(p,gamma)P-27 reaction via Coulomb
dissociation
SO ORIGIN OF MATTER AND EVOLUTION OF GALAXIES
SE AIP Conference Proceedings
LA English
DT Proceedings Paper
CT 10th International Symposium on Origin of Matter and Evolution of
Galaxies
CY DEC 04-07, 2007
CL Sapporo, JAPAN
SP Hokkaido Univ, Dept Cosmosci, Natl Astron Observ Japan, Univ Tokyo, Ctr Nucl Study, RIKEN, Okasa Univ, Res Ctr Nucl Phys, KEK, Univ Tokyo, Dept Astron, Sci Council Japan, Phys Soc Japan, Astron Soc Japan
DE reaction induced by unstable nuclei; Coulomb excitation; and
nucleosynthesis in novae; supernovae and other explosive environments;
20 <= A <= 38
ID PROTON CAPTURE; NUCLEOSYNTHESIS; RATES; AL-26; LINE; B-8
AB The Coulomb dissociation of the proton-rich nuclei P-27 was studied experimentally using P-27 beams at 57 MeV/nucleon with a lead target. The radiative widths of the low-lying excited state in (27)p were deduced. The resonant capture reaction rate of stellar Si-26(p,gamma)(27)p through these states was estimated using the measured radiative widths. The astrophysical implications obtained from the extracted reaction rate will be discussed.
C1 [Togano, Y.; Ando, Y.; Demichi, K.; Futakami, U.; Hasegawa, H.; Ieki, K.; Kunibu, M.; Kurita, K.; Matsuyama, Y. U.; Murakami, H.; Serata, M.] Rikkyo Univ, Dept Phys, Tokyo 1718501, Japan.
[Gomi, T.] Natl Inst Radiol Sci, Chiba 2638555, Japan.
[Motobayashi, T.; Aoi, N.; Baba, H.; Fukuda, N.; Higurashi, Y.; Ishihara, M.; Kanno, S.; Kubo, T.; Sakurai, H.; Sugimoto, T.; Takeshita, E.; Takeuchi, S.; Yamada, K.; Yanagisawa, Y.; Yoneda, K.; Yoshida, A.] RIKEN, RIKEN Nishi Ctr, Wako, Saitama 3510198, Japan.
[Fulop, Zs.] ATOMKI, Debrecen, Hungary.
[Imai, N.] High Energy Accelerator Org, KEK, Tsukuba, Ibaraki 3050801, Japan.
[Ishikawa, K.; Kondo, Y.; Miura, M.; Nakamura, T.] Tokyo Inst Technol, Dept Phys, Tokyo 1528551, Japan.
[Iwasa, N.] Tohoku Univ, Dept Phys, Miyazaki 9808578, Japan.
[Iwasaki, H.; Ue, K.] Univ Tokyo, Dept Phys, Tokyo 1130033, Japan.
[Kubono, S.; Ota, S.; Saito, A.; Shimoura, S.; Ue, K.] Univ Tokyo, Ctr Nucl Study, Wako, Saitama 3510198, Japan.
[Minemura, T.] Natl Canc Ctr, Chiba 2778577, Japan.
[Notani, M.] Argonne Natl Lab, Div Phys, Argonne, IL 60439 USA.
RP Togano, Y (reprint author), Rikkyo Univ, Dept Phys, Tokyo 1718501, Japan.
EM toga@ne.rikkyo.ac.jp; motobaya@riken.jp;
ishikawa@particle.sci.hokudai.ac.jp; kubono@cns.s.u-tokyo.ac.jp;
kyoneda@riken.jp
RI Fulop, Zsolt/B-2262-2008; Elekes, Zoltan/J-4531-2012; Nakamura,
Takashi/N-5390-2015; Takeuchi, Satoshi/O-1529-2016
OI Nakamura, Takashi/0000-0002-1838-9363;
NR 19
TC 1
Z9 1
U1 0
U2 0
PU AMER INST PHYSICS
PI MELVILLE
PA 2 HUNTINGTON QUADRANGLE, STE 1NO1, MELVILLE, NY 11747-4501 USA
SN 0094-243X
BN 978-0-7354-0537-0
J9 AIP CONF PROC
PY 2008
VL 1016
BP 193
EP +
PG 2
WC Astronomy & Astrophysics
SC Astronomy & Astrophysics
GA BHT92
UT WOS:000256349600028
ER
PT S
AU Fischer, T
Gogelein, P
Liebendorfer, M
Mezzacappa, A
Thielemann, KF
AF Fischer, T.
Goegelein, P.
Liebendoerfer, M.
Mezzacappa, A.
Thielemann, K. -F.
BE Suda, T
Nozawa, T
Ohnishi, A
Kato, K
Fujimoto, M
Kajino, T
Kubono, S
TI The accretion phase of core collapse supernovae
SO ORIGIN OF MATTER AND EVOLUTION OF GALAXIES
SE AIP Conference Proceedings
LA English
DT Proceedings Paper
CT 10th International Symposium on Origin of Matter and Evolution of
Galaxies
CY DEC 04-07, 2007
CL Sapporo, JAPAN
SP Hokkaido Univ, Dept Cosmosci, Natl Astron Observ Japan, Univ Tokyo, Ctr Nucl Study, RIKEN, Okasa Univ, Res Ctr Nucl Phys, KEK, Univ Tokyo, Dept Astron, Sci Council Japan, Phys Soc Japan, Astron Soc Japan
DE supernovae; explosions; black hole formation
ID NEUTRINO; HYDRODYNAMICS; EXPLOSION; EQUATION; MATTER; STATE; DENSE; HOT
AB We present data from recent core collapse simulations, using spherically symmetric general relativistic radiation hydrodynamics featuring a three-flavor neutrino Boltzmann transport solver and an equation of state (eos) for hot and dense nuclear matter. A nuclear reaction network has recently been implemented, which allows us to investigate explosion models into the neutrino wind phase several seconds after core bounce. In the absence of an earlier explosion, the continuous accretion of outer layers of the progenitor star lead eventually to the collapse of the protoneutron star (PNS) at the very center and the formation of a black hole.
C1 [Fischer, T.; Liebendoerfer, M.; Thielemann, K. -F.] Univ Basel, Dept Phys, CH-4056 Basel, Switzerland.
[Goegelein, P.] Univ Tubingen, Inst Theo Phys, D-72076 Tubingen, Germany.
[Mezzacappa, A.] Oak Ridge Natl Lab, Div Phys, Oak Ridge, TN 37831 USA.
RP Fischer, T (reprint author), Univ Basel, Dept Phys, CH-4056 Basel, Switzerland.
EM tobias.fischer@unibas.ch
RI Mezzacappa, Anthony/B-3163-2017
OI Mezzacappa, Anthony/0000-0001-9816-9741
NR 15
TC 1
Z9 1
U1 0
U2 0
PU AMER INST PHYSICS
PI MELVILLE
PA 2 HUNTINGTON QUADRANGLE, STE 1NO1, MELVILLE, NY 11747-4501 USA
SN 0094-243X
BN 978-0-7354-0537-0
J9 AIP CONF PROC
PY 2008
VL 1016
BP 277
EP +
PG 2
WC Astronomy & Astrophysics
SC Astronomy & Astrophysics
GA BHT92
UT WOS:000256349600040
ER
PT S
AU Smith, MS
AF Smith, Michael S.
BE Suda, T
Nozawa, T
Ohnishi, A
Kato, K
Fujimoto, M
Kajino, T
Kubono, S
TI ORNL radioactive beams for stellar explosion studies
SO ORIGIN OF MATTER AND EVOLUTION OF GALAXIES
SE AIP Conference Proceedings
LA English
DT Proceedings Paper
CT 10th International Symposium on Origin of Matter and Evolution of
Galaxies
CY DEC 04-07, 2007
CL Sapporo, JAPAN
SP Hokkaido Univ, Dept Cosmosci, Natl Astron Observ Japan, Univ Tokyo, Ctr Nucl Study, RIKEN, Okasa Univ, Res Ctr Nucl Phys, KEK, Univ Tokyo, Dept Astron, Sci Council Japan, Phys Soc Japan, Astron Soc Japan
DE nuclear astrophysics; nucleosynthesis; r-process; rp-process;
radioactive beam; stellar explosions; nova; supernova; X-ray burst;
thermonuclear reaction rates; nuclear data; visualization; simulations;
waiting point; reaction network
ID R-PROCESS; NEUTRON-CAPTURE; HRIBF
AB Thermonuclear reactions on unstable nuclei generate the energy that power nova explosions and X-ray bursts. In these explosions and others such as supernovae, these reactions serve to synthesize nuclei that (via their decay) can serve as tracers of the explosion mechanism. A powerful approach to improve our understanding of these explosions is to utilize beams of radioactive nuclei for direct and indirect measurements of these reactions. We are pursuing this approach at the Holifield Radioactive Ion Beam Facility (HRIBF) at Oak Ridge National Laboratory (ORNL) to study reactions in the rp-process (with beams of F-17,F-18) and the r-process (with beam S of Ge-82, Se-84 Sn-130,Sn-132, Te-134). These measurements are combined with synergistic data evaluations and element synthesis calculations. Highlights of recent results are presented.
C1 [Smith, Michael S.] Oak Ridge Natl Lab, Div Phys, Oak Ridge, TN 37831 USA.
RP Smith, MS (reprint author), Oak Ridge Natl Lab, Div Phys, Oak Ridge, TN 37831 USA.
EM smithms@ornl.gov
NR 32
TC 0
Z9 0
U1 0
U2 0
PU AMER INST PHYSICS
PI MELVILLE
PA 2 HUNTINGTON QUADRANGLE, STE 1NO1, MELVILLE, NY 11747-4501 USA
SN 0094-243X
BN 978-0-7354-0537-0
J9 AIP CONF PROC
PY 2008
VL 1016
BP 301
EP 306
PG 6
WC Astronomy & Astrophysics
SC Astronomy & Astrophysics
GA BHT92
UT WOS:000256349600044
ER
PT S
AU Smith, MS
Bruner, BD
Kozub, RL
Roberts, LF
Tytler, D
Fuller, GM
Lingerfelt, E
Hix, WR
Nesaraja, CD
AF Smith, Michael S.
Bruner, Blake D.
Kozub, Raymond L.
Roberts, Luke F.
Tytler, David
Fuller, George M.
Lingerfelt, Eric
Hix, W. Raphael
Nesaraja, Caroline D.
BE Suda, T
Nozawa, T
Ohnishi, A
Kato, K
Fujimoto, M
Kajino, T
Kubono, S
TI Big Bang Nucleosynthesis: Impact of nuclear physics uncertainties on
baryonic matter density constraints
SO ORIGIN OF MATTER AND EVOLUTION OF GALAXIES
SE AIP Conference Proceedings
LA English
DT Proceedings Paper
CT 10th International Symposium on Origin of Matter and Evolution of
Galaxies
CY DEC 04-07, 2007
CL Sapporo, JAPAN
SP Hokkaido Univ, Dept Cosmosci, Natl Astron Observ Japan, Univ Tokyo, Ctr Nucl Study, RIKEN, Okasa Univ, Res Ctr Nucl Phys, KEK, Univ Tokyo, Dept Astron, Sci Council Japan, Phys Soc Japan, Astron Soc Japan
DE cosmology; big bang nucleosynthesis; thermonuclear reactions; reaction
rates
ID COSMOLOGY
AB We performed new Big Bang Nucleosynthesis simulations with the bigbangonline.org suite of codes to determine, from the nuclear physics perspective, the highest achievable precision of the constraint on the baryon-to-photo ratio eta given current observational uncertainties. We also performed sensitivity studies to determine the impact that particular nuclear physics measurements would have on the uncertainties of predicted abundances and on the eta constraint.
C1 [Smith, Michael S.; Roberts, Luke F.; Lingerfelt, Eric; Hix, W. Raphael; Nesaraja, Caroline D.] Oak Ridge Natl Lab, Div Phys, Oak Ridge, TN 37831 USA.
[Bruner, Blake D.; Kozub, Raymond L.] Tennessee Technol Univ, Dept Phys, Cookeville, TN 38505 USA.
[Tytler, David; Fuller, George M.] Univ Calif San Diego, Dept Phys, La Jolla, CA 92093 USA.
[Lingerfelt, Eric; Nesaraja, Caroline D.] Univ Tennessee, Dept Phys & Astron, Knoxville, TN 37996 USA.
RP Smith, MS (reprint author), Oak Ridge Natl Lab, Div Phys, Oak Ridge, TN 37831 USA.
RI Hix, William/E-7896-2011
OI Hix, William/0000-0002-9481-9126
FU U.S. Department of Energy [DE-AC05-00OR22725]
FX ORNL is managed by UT-Battelle, LLC for the U.S. Department of Energy
under contract DE-AC05-00OR22725.
NR 10
TC 1
Z9 1
U1 1
U2 3
PU AMER INST PHYSICS
PI MELVILLE
PA 2 HUNTINGTON QUADRANGLE, STE 1NO1, MELVILLE, NY 11747-4501 USA
SN 0094-243X
BN 978-0-7354-0537-0
J9 AIP CONF PROC
PY 2008
VL 1016
BP 403
EP +
PG 2
WC Astronomy & Astrophysics
SC Astronomy & Astrophysics
GA BHT92
UT WOS:000256349600058
ER
PT S
AU Sunayama, T
Smith, MS
Lingerfelt, E
Buckner, K
Hix, WR
Nesaraja, CD
AF Sunayama, Tomomi
Smith, Mchael S.
Lingerfelt, Eric
Buckner, Kim
Hix, W. Raphael
Nesaraja, Caroline D.
BE Suda, T
Nozawa, T
Ohnishi, A
Kato, K
Fujimoto, M
Kajino, T
Kubono, S
TI Waiting points in nova and X-ray burst nucleosynthesis
SO ORIGIN OF MATTER AND EVOLUTION OF GALAXIES
SE AIP Conference Proceedings
LA English
DT Proceedings Paper
CT 10th International Symposium on Origin of Matter and Evolution of
Galaxies
CY DEC 04-07, 2007
CL Sapporo, JAPAN
SP Hokkaido Univ, Dept Cosmosci, Natl Astron Observ Japan, Univ Tokyo, Ctr Nucl Study, RIKEN, Okasa Univ, Res Ctr Nucl Phys, KEK, Univ Tokyo, Dept Astron, Sci Council Japan, Phys Soc Japan, Astron Soc Japan
DE nova; X-ray burst; nucleosynthesis; waiting point reaction network
AB In nova and X-ray burst nucleosynthesis, waiting points are nuclei in the reaction path which delay the nuclear flow towards heavier nuclei, typically because of a weak proton capture reaction and a long beta(+) lifetime. Waiting points can influence the energy generation and final abundances synthesized in these explosions. We have constructed a systematic, quantitative set of criteria to identify rp-process waiting points, and use them to search for waiting points in post-processing simulations of novae and X-ray bursts. These criteria have been incorporated into the Computational Infrastructure for Nuclear Astrophysics, online at nucastrodata.org, to enable anyone to run customized searches for waiting points.
C1 [Sunayama, Tomomi] Knox Coll, 2 East South St, Galesburg, IL 61401 USA.
[Sunayama, Tomomi] Oak Ridge Inst Sci Educ, Oak Ridge, TN 37831 USA.
[Smith, Mchael S.; Lingerfelt, Eric; Buckner, Kim; Hix, W. Raphael; Nesaraja, Caroline D.] Oak Ridge Natl Lab, Div Phys, Oak Ridge, TN 37831 USA.
[Lingerfelt, Eric; Buckner, Kim; Nesaraja, Caroline D.] Univ Tennessee, Dept Phys & Astron, Knoxville, TN 37996 USA.
RP Sunayama, T (reprint author), Knox Coll, 2 East South St, Galesburg, IL 61401 USA.
RI Hix, William/E-7896-2011
OI Hix, William/0000-0002-9481-9126
FU U.S. Department of Energy [DE-AC05-00OR22725]; ORISE HERE program
FX ORNL is managed by UT-Battelle, LLC for the U.S. Department of Energy
under contract DE-AC05-00OR22725. TS was partially supported by the
ORISE HERE program.
NR 3
TC 0
Z9 0
U1 0
U2 1
PU AMER INST PHYSICS
PI MELVILLE
PA 2 HUNTINGTON QUADRANGLE, STE 1NO1, MELVILLE, NY 11747-4501 USA
SN 0094-243X
BN 978-0-7354-0537-0
J9 AIP CONF PROC
PY 2008
VL 1016
BP 415
EP +
PG 2
WC Astronomy & Astrophysics
SC Astronomy & Astrophysics
GA BHT92
UT WOS:000256349600062
ER
PT S
AU Smith, MS
Cyburt, R
Schatz, H
Wiescher, M
Smith, K
Warren, S
Ferguson, R
Lingerfelt, E
Buckner, K
Nesaraja, CD
AF Smith, Michael S.
Cyburt, Richard
Schatz, Hendrik
Wiescher, Michael
Smith, Karl
Warren, Scott
Ferguson, Ryan
Lingerfelt, Eric
Buckner, Kim
Nesaraja, Caroline D.
BE Suda, T
Nozawa, T
Ohnishi, A
Kato, K
Fujimoto, M
Kajino, T
Kubono, S
TI Thermonuclear reaction rate libraries and software tools for nuclear
astrophysics research
SO ORIGIN OF MATTER AND EVOLUTION OF GALAXIES
SE AIP Conference Proceedings
LA English
DT Proceedings Paper
CT 10th International Symposium on Origin of Matter and Evolution of
Galaxies
CY DEC 04-07, 2007
CL Sapporo, JAPAN
SP Hokkaido Univ, Dept Cosmosci, Natl Astron Observ Japan, Univ Tokyo, Ctr Nucl Study, RIKEN, Okasa Univ, Res Ctr Nucl Phys, KEK, Univ Tokyo, Dept Astron, Sci Council Japan, Phys Soc Japan, Astron Soc Japan
DE reaction rate; nucleosynthesis; stellar modeling; software; nuclear
data; evaluations
AB Thermonuclear reaction rates are a crucial input for simulating a wide variety of astrophysical environments. A new collaboration has been formed to ensure that astrophysical modelers have access to reaction rates based on the most recent experimental and theoretical nuclear physics information. To reach this goal, a new version of the REACLIB library has been created by the Joint Institute for Nuclear Astrophysics (JINA), now available online at http://www.nscl.msu.edu/-nero/db. A complementary effort is the development of software tools in the Computational Infrastructure for Nuclear Astrophysics, online at nucastrodata.org, to streamline, manage, and access the workflow of the reaction evaluations from their initiation to peer review to incorporation into the library. Details of these new projects will be described.
C1 [Smith, Michael S.; Lingerfelt, Eric; Buckner, Kim; Nesaraja, Caroline D.] Oak Ridge Natl Lab, Div Phys, Oak Ridge, TN 37831 USA.
[Cyburt, Richard; Schatz, Hendrik; Smith, Karl; Warren, Scott; Ferguson, Ryan] Michigan State Univ, Dept Phys & Astron, Natl Superconduct Cyclotron Lab, E Lansing, MI 48824 USA.
[Wiescher, Michael] Univ Notre Dame, Dept Phys, Notre Dame, IN 46556 USA.
[Lingerfelt, Eric; Buckner, Kim; Nesaraja, Caroline D.] Univ Tennessee, Dept Phys & Astron, Knoxville, TN 37996 USA.
RP Smith, MS (reprint author), Oak Ridge Natl Lab, Div Phys, Oak Ridge, TN 37831 USA.
RI Smith, Karl/A-9864-2013
OI Smith, Karl/0000-0003-2740-5449
FU UT-Battelle; U.S. Department of Energy [DE-AC05-00OR22725]; MSU NSCL;
National Science Foundation
FX ORNL is managed by UT-Battelle, LLC for the U.S. Department of Energy
under contract DE-AC05-00OR22725. MSU NSCL and JINA are funded by the
National Science Foundation.
NR 1
TC 2
Z9 2
U1 0
U2 1
PU AMER INST PHYSICS
PI MELVILLE
PA 2 HUNTINGTON QUADRANGLE, STE 1NO1, MELVILLE, NY 11747-4501 USA
SN 0094-243X
BN 978-0-7354-0537-0
J9 AIP CONF PROC
PY 2008
VL 1016
BP 466
EP +
PG 2
WC Astronomy & Astrophysics
SC Astronomy & Astrophysics
GA BHT92
UT WOS:000256349600079
ER
PT J
AU Cooper, WJ
Mezyk, SP
Peller, JR
Cole, SK
Song, WH
Mincher, BJ
Peake, BM
AF Cooper, William J.
Mezyk, Stephen P.
Peller, Julie R.
Cole, S. Kirkham
Song, Weihua
Mincher, Bruce J.
Peake, Barrie M.
TI Studies in radiation chemistry: Application to ozonation and other
advanced oxidation processes
SO OZONE-SCIENCE & ENGINEERING
LA English
DT Article; Proceedings Paper
CT World Congress on Ozone and Ultraviolet Technologies
CY AUG 27-29, 2007
CL Los Angeles, CA
DE ozone; advanced oxidation/reduction processes; hydroxyl radical;
destruction mechanisms
ID FREE-RADICAL CHEMISTRY; TERT-BUTYL ETHER; ELECTRON-BEAM IRRADIATION;
DISINFECTION-BY-PRODUCTS; RATE CONSTANTS; AQUEOUS-SOLUTION; HYDRATED
ELECTRON; AQUATIC ENVIRONMENT; PULSE-RADIOLYSIS; GAMMA-RADIOLYSIS
AB Advanced oxidation/reduction processes (AORPs) are an alternative water treatment that is becoming more widely utilized. Our radiation-chemistry based studies are being used to develop a fundamental understanding of AOP treatment options, and are divided into three complementary types of contaminants; disinfection by-products (DBPs), emerging pollutants of concern (EPoCs), and natural organic matter (NOM). More than 600 DBPs have been identified, and one class that appears to have severe potential adverse health effects is the halonitromethanes (HNMs). Of the nine HNMs, trichloronitromethane (chloropicrin) is the most common, with levels up to 180 nM in US drinking waters. EPoCs are of interest because of their biological activity at low concentrations in water and while the initial focus was on endocrine disruptor chemicals (EDCs) this class has now been expanded to include many other recalcitrant chemicals such as hormones, antibiotics, industrial contaminants, and health care products. Natural organic matter is one of the most common radical scavengers in natural waters and therefore may adversely affect AOPs. Our approach is to study NOM both directly and using model compounds thought to be representative of structural components of this complex material.
C1 [Cooper, William J.; Song, Weihua] Univ Calif Irvine, Dept Civil & Environm Engn, Urban Water Res Ctr, Irvine, CA 92697 USA.
[Mezyk, Stephen P.] Calif State Univ Long Beach, Dept Chem & Biochem, Long Beach, CA 90840 USA.
[Peller, Julie R.] Indiana Univ NW, Dept Chem, Gary, IN USA.
[Cole, S. Kirkham] McKim & Creed, Virginia Beach, VA USA.
[Mincher, Bruce J.] US DOE, Idaho Natl Lab, Idaho Falls, ID USA.
[Peake, Barrie M.] Univ Otago, Dept Chem, Dunedin, New Zealand.
RP Cooper, WJ (reprint author), Univ Calif Irvine, Dept Civil & Environm Engn, Urban Water Res Ctr, Irvine, CA 92697 USA.
EM wcooper@uci.edu
RI Song, Weihua/B-6931-2011
OI Song, Weihua/0000-0001-7633-7919
NR 32
TC 9
Z9 10
U1 2
U2 27
PU TAYLOR & FRANCIS INC
PI PHILADELPHIA
PA 325 CHESTNUT ST, SUITE 800, PHILADELPHIA, PA 19106 USA
SN 0191-9512
J9 OZONE-SCI ENG
JI Ozone-Sci. Eng.
PY 2008
VL 30
IS 1
BP 58
EP 64
DI 10.1080/01919510701761112
PG 7
WC Engineering, Environmental; Environmental Sciences
SC Engineering; Environmental Sciences & Ecology
GA 270PB
UT WOS:000253731600009
ER
PT B
AU Guclu, H
Kumari, D
Yuksel, M
AF Guclu, Hasan
Kumari, Durgesh
Yuksel, Murat
BA Wehrle, K
BF Wehrle, K
BE Kellerer, W
Singhal, SK
Steinmetz, R
TI Ad-hoc Limited Scale-Free Models for Unstructured Peer-to-Peer Networks
SO P2P'08: EIGHTH INTERNATIONAL CONFERENCE ON PEER-TO-PEER COMPUTING,
PROCEEDINGS
LA English
DT Proceedings Paper
CT 8th International Conference on Peer-to-Peer Computing
CY SEP 08-11, 2008
CL Aachen Univ, Aachen, GERMANY
SP IEEE Commun Soc, Microsoft, Distributed Syst, RWTH Aachen Univ, Nokia, UMIC, Google, IEEE Comp Soc
HO Aachen Univ
ID SMALL-WORLD; EVOLUTION; INTERNET; WEB
AB Several protocol efficiency metrics (e.g., scalability, search success rate, routing reachability and stability) depend on the capability of preserving structure even over the churn caused by the ad-hoc nodes joining or leaving the network. Preserving the structure becomes more prohibitive due to the distributed and potentially uncooperative nature of such networks, as in the peer-to-peer (P2P) networks. Thus, most practical solutions involve unstructured approaches while attempting to maintain the structure at various levels of protocol stack. The primary focus of this paper is to investigate construction and maintenance of scale-free topologies in a distributed mariner without requiring global topology information at the time when nodes join or leave. We consider the uncooperative behavior of peers by limiting the number of neighbors to a pre-defined hard cutoff value (i.e., no peer is a major hub), and the ad-hoc behavior of peers by rewiring the neighbors of nodes leaving the network. We also investigate the effect of these hard cutoffs and rewiring of ad-hoc nodes on the P2P search efficiency.
C1 [Guclu, Hasan] Los Alamos Natl Lab, Ctr Nonlinear Studies, POB 1663, Los Alamos, NM 87545 USA.
[Kumari, Durgesh; Yuksel, Murat] Univ Nevada, Comp Sci & Engn Dept, Reno, NV 89557 USA.
RP Guclu, H (reprint author), Los Alamos Natl Lab, Ctr Nonlinear Studies, POB 1663, Los Alamos, NM 87545 USA.
EM guclu@lanl.gov; durgesh.rani@gmail.com; yuksem@cse.unr.edu
FU U.S. Department of Energy [DE-AC52-06NA25396]; National Science
Foundation [0627039, 0721542]
FX This work was supported by the U.S. Department of Energy under contract
DE-AC52-06NA25396 and by the National Science Foundation under awards
0627039 and 0721542. Authors would like to thank Sid Redner for fruitful
discussions.
NR 40
TC 0
Z9 0
U1 0
U2 0
PU IEEE COMPUTER SOC
PI LOS ALAMITOS
PA 10662 LOS VAQUEROS CIRCLE, PO BOX 3014, LOS ALAMITOS, CA 90720-1264 USA
BN 978-0-7695-3318-6
PY 2008
BP 160
EP +
DI 10.1109/P2P.2008.16
PG 3
WC Computer Science, Hardware & Architecture; Computer Science, Theory &
Methods; Engineering, Electrical & Electronic
SC Computer Science; Engineering
GA BIK09
UT WOS:000260249100021
ER
PT B
AU Iancu, C
Hofmeyr, S
AF Iancu, Costin
Hofmeyr, Steven
GP ACM
TI Runtime Optimization of Vector Operations on Large Scale SMP Clusters
SO PACT'08: PROCEEDINGS OF THE SEVENTEENTH INTERNATIONAL CONFERENCE ON
PARALLEL ARCHITECTURES AND COMPILATION TECHNIQUES
LA English
DT Proceedings Paper
CT 17th International Conference on Parallel Architectures and Compilation
Techniques
CY OCT 25-29, 2008
CL Toronto, CANADA
SP ACM SIGARCH, IEEE CS TCCA, IFIP, IEEE CS TCCP
DE Parallel Programming; Program Transformations; Performance Portability;
Communication Code Generation; Latency Hiding
ID COMPUTATION
AB "Vector" style communication operations transfer multiple disjoint memory regions within one logical step. These operations axe widely used in applications, they do improve application performance, and their behavior has been studied and optimized using different implementation techniques across a large variety of systems. In this paper we present a methodology for the selection of the best performing implementation of a vector operation from multiple alternative implementations. Our approach is designed to work for systems with wide SMP nodes where we believe that most published studies fail to correctly predict performance. Due to the emergence of multi-core processors we believe that techniques similar to ours will be incorporated for performance reasons in communication libraries or language runtimes.
The methodology relies on the exploration of the application space and a classification of the regions within this space where a particular implementation method performs best. We use micro-bench in arks to measure the performance of an implementation for a given point in the application space and then compose profiles that compare the performance of two given implementations. These profiles capture an empirical upper bound for the performance degradation of a given protocol tinder heavy node load. At runtime, the application selects the implementation according to these performance profiles. Our approach provides performance portability and using our dynamic multi-protocol selection we have been able to improve the performance of a NAS Parallel Benchmarks workload by 22% on an IBM large scale cluster. Very positive results have also been obtained on large scale InfiniBand and Cray XT systems. This work indicates that perhaps the most important factor for application performance on wide SMP systems is the successful management of load on the Network Interface Cards.
C1 [Iancu, Costin; Hofmeyr, Steven] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
RP Iancu, C (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
EM cciancu@lbl.gov; shofmeyr@lbl.gov
NR 31
TC 0
Z9 0
U1 0
U2 0
PU ASSOC COMPUTING MACHINERY
PI NEW YORK
PA 1515 BROADWAY, NEW YORK, NY 10036-9998 USA
BN 978-1-60558-282-5
PY 2008
BP 122
EP 132
DI 10.1145/1454115.1454134
PG 11
WC Computer Science, Hardware & Architecture; Computer Science, Theory &
Methods
SC Computer Science
GA BJR85
UT WOS:000267053400013
ER
PT S
AU Yoginath, SB
Perumalla, KS
AF Yoginath, Srikanth B.
Perumalla, Kalyan S.
GP IEEE
TI Parallel vehicular traffic simulation using reverse computation-based
optimistic execution
SO PADS 2008: 22ND INTERNATIONAL WORKSHOP ON PRINCIPLES OF ADVANCED AND
DISTRIBUTED SIMULATION, PROCEEDINGS
SE Workshop on Parallel and Distributed Simulation
LA English
DT Proceedings Paper
CT 22nd International Workshop on Principles of Advanced and Distributed
Simulation
CY JUN 03-06, 2008
CL Rome, ITALY
SP IEEE Comp Soc, TCSIM, ACM SIGSIM, Soc Modeling & Simulat Int
AB Vehicular traffic simulations are useful in applications such as emergency management and homeland security planning tools. High speed of traffic simulations translates directly to speed of response and level of resilience in those applications. Here, a parallel traffic simulation approach is presented that is aimed at reducing the time for simulating emergency vehicular traffic scenarios. Three unique aspects of this effort are: (1) exploration of optimistic simulation applied to vehicular traffic simulation (2) addressing reverse computation challenges speck to optimistic vehicular traffic simulation (3) achieving absolute (as opposed to self-relative) speedup with a sequential speed equal to that of a fast, de facto standard sequential simulator for emergency traffic. The design and development of the parallel simulation system is presented, along with a performance study that demonstrates excellent sequential performance as well as parallel performance.
C1 [Yoginath, Srikanth B.; Perumalla, Kalyan S.] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
RP Yoginath, SB (reprint author), Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
OI Perumalla, Kalyan/0000-0002-7458-0832
NR 9
TC 6
Z9 6
U1 0
U2 2
PU IEEE COMPUTER SOC
PI LOS ALAMITOS
PA 10662 LOS VAQUEROS CIRCLE, PO BOX 3014, LOS ALAMITOS, CA 90720-1264 USA
SN 1087-4097
BN 978-0-7695-3159-5
J9 W PAR DISTR SIMULAT
PY 2008
BP 33
EP 42
DI 10.1109/PADS.2008.14
PG 10
WC Computer Science, Interdisciplinary Applications; Computer Science,
Theory & Methods
SC Computer Science
GA BHZ08
UT WOS:000257570100005
ER
PT S
AU Perumalla, KS
AF Perumalla, Kalyan S.
GP IEEE
TI Efficient execution on GPUs of field-based vehicular mobility models
SO PADS 2008: 22ND INTERNATIONAL WORKSHOP ON PRINCIPLES OF ADVANCED AND
DISTRIBUTED SIMULATION, PROCEEDINGS
SE Workshop on Principles of Advanced and Distributed Simulation
LA English
DT Proceedings Paper
CT 22nd International Workshop on Principles of Advanced and Distributed
Simulation
CY JUN 03-06, 2008
CL Rome, ITALY
SP IEEE Comp Soc, TCSIM, ACM SIGSIM, Soc Modeling & Simulat Int
C1 [Perumalla, Kalyan S.] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
RP Perumalla, KS (reprint author), Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
EM perumallaks@ornl.gov
OI Perumalla, Kalyan/0000-0002-7458-0832
NR 0
TC 1
Z9 1
U1 0
U2 1
PU IEEE COMPUTER SOC
PI LOS ALAMITOS
PA 10662 LOS VAQUEROS CIRCLE, PO BOX 3014, LOS ALAMITOS, CA 90720-1264 USA
SN 1087-4097
BN 978-0-7695-3159-5
J9 W PRIN ADV DISTR SIM
PY 2008
BP 154
EP 154
DI 10.1109/PADS.2008.36
PG 1
WC Computer Science, Interdisciplinary Applications; Computer Science,
Theory & Methods
SC Computer Science
GA BHZ08
UT WOS:000257570100024
ER
PT B
AU Hsieh, BC
Yee, HKC
Lin, H
Gladders, MD
Gilbank, DG
AF Hsieh, B. C.
Yee, H. K. C.
Lin, H.
Gladders, M. D.
Gilbank, D. G.
BE Kodama, T
Yamada, T
Aoki, K
TI Pair Analysis of Field Galaxies from the RCS
SO PANORAMIC VIEWS OF GALAXY FORMATION AND EVOLUTION, PROCEEDINGS
SE Astronomical Society of the Pacific Conference Series
LA English
DT Proceedings Paper
CT International Conference on Panoramic Views of Galaxy Formation and
Evolution
CY DEC 11-16, 2007
CL Hayama, JAPAN
SP Natl Astron Observ Japan, Subari Telescope, Fdn Promot Astron Japan, Univ Tokyo
ID SEQUENCE CLUSTER SURVEY; EVOLUTION
AB We study the evolution of the number of close companions of similar luminosities per galaxy (N-c) by choosing a volume-limited subset of the photometric redshift catalog from the Red-Sequence Cluster Survey (RCS-1). The sample contains over 157,000 objects with a moderate redshift range of 0.25 <= z <= 0.8 and M-Rc <= -20. The N-c value for the whole sample grows with redshift as (1 + z)(m), where m = 2.83 +/- 0.33 in good agreement with N-body simulations in a ACDM cosmology. We also find that the m value becomes smaller for larger separation, and the pair fraction for the fainter luminosity bin has stronger evolution.
C1 [Hsieh, B. C.] Acad Sinica, Inst Astron & Astrophys, Taipei 115, Taiwan.
[Yee, H. K. C.] Univ Toronto, Dept Astron & Astrophys, Toronto, ON M5S 1A1, Canada.
[Lin, H.] Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA.
[Gladders, M. D.] Univ Chicago, Dept Astron & Astrophys, Chicago, IL 60637 USA.
[Gilbank, D. G.] Univ Waterloo, Dept Phys & Astron, Waterloo, ON N2L 3G1, Canada.
RP Hsieh, BC (reprint author), Acad Sinica, Inst Astron & Astrophys, Taipei 115, Taiwan.
EM sieh@asiaa.sinica.edu.tw
NR 5
TC 0
Z9 0
U1 0
U2 0
PU ASTRONOMICAL SOC PACIFIC
PI SAN FRANCISCO
PA 390 ASHTON AVE, SAN FRANCISCO, CA 94112 USA
BN 978-1-58381-668-4
J9 ASTR SOC P
PY 2008
VL 399
BP 300
EP +
PG 2
WC Astronomy & Astrophysics
SC Astronomy & Astrophysics
GA BIU97
UT WOS:000262978800079
ER
PT S
AU Kerbyson, DJ
Barker, KJ
Davis, K
AF Kerbyson, Darren J.
Barker, Kevin J.
Davis, Kei
BE Bischof, C
Bucker, C
Gibbon, P
Joubert, G
Lippert, T
Mohr, B
Peters, F
TI Analysis of the Weather Research and Forecasting (WRF) Model on
Large-Scale Systems
SO PARALLEL COMPUTING: ARCHITECTURES, ALGORITHMS AND APPLICATIONS
SE Advances in Parallel Computing
LA English
DT Proceedings Paper
CT International Parallel Computing Conference 2007
CY SEP 04-07, 2007
CL RWTH Aachen Univ, Aachen, FRANCE
SP Forsch Zentrum Julich, IBM, Par Tec Cluster Competence Ctr, RWTHAACHEN
HO RWTH Aachen Univ
AB In this work we analyze the performance of the Weather Research and Forecasting (WRF) model using both empirical data and an accurate analytic performance model. WRF is a large-scale mesoscale numerical weather prediction system designed for both operational forecasting. and atmospheric research. It is in active development at the National Center for Atmospheric Research (NCAR), and call use 1.000 s of processors in parallel. In this work we compare the performance of WRF oil a cluster-based system (AMD Opteron processors interconnected with 4x SDR Infiniband) to that oil a mesh-based system (IBM Blue Gene/L interconnected with a proprietary 3-D torus). In addition, we develop a performance model of WRF that is validated against these two systems and that exhibits high prediction accuracy. The model is then used to examine the performance of a near-term future generation supercomputer.
C1 [Kerbyson, Darren J.; Barker, Kevin J.; Davis, Kei] Los Alamos Natl Lab, Performance & Architecture Lab, Los Alamos, NM 87545 USA.
RP Kerbyson, DJ (reprint author), Los Alamos Natl Lab, Performance & Architecture Lab, Los Alamos, NM 87545 USA.
EM djk@lanl.gov; kjbarker@lanl.gov; kei.davis@lanl.gov
NR 10
TC 0
Z9 0
U1 0
U2 1
PU I O S PRESS
PI AMSTERDAM
PA NIEUWE HEMWEG 6B, 1013 BG AMSTERDAM, NETHERLANDS
SN 0927-5452
BN 978-1-58603-796-3
J9 ADV PAR COM
PY 2008
VL 15
BP 89
EP 98
PG 10
WC Computer Science, Interdisciplinary Applications; Computer Science,
Theory & Methods
SC Computer Science
GA BMT58
UT WOS:000273549500010
ER
PT S
AU Tipparaju, V
Krishnan, M
Palmer, B
Petrini, F
Nieplocha, J
AF Tipparaju, Vinod
Krishnan, Manoj
Palmer, Bruce
Petrini, Fabrizio
Nieplocha, Jarek
BE Bischof, C
Bucker, C
Gibbon, P
Joubert, G
Lippert, T
Mohr, B
Peters, F
TI Towards Fault Resilient Global Arrays
SO PARALLEL COMPUTING: ARCHITECTURES, ALGORITHMS AND APPLICATIONS
SE Advances in Parallel Computing
LA English
DT Proceedings Paper
CT International Parallel Computing Conference 2007
CY SEP 04-07, 2007
CL RWTH Aachen Univ, Aachen, FRANCE
SP Forsch Zentrum Julich, IBM, Par Tec Cluster Competence Ctr, RWTHAACHEN
HO RWTH Aachen Univ
AB This paper describes extensions to the Global Arrays (GA) toolkit to support user-coordinated fault tolerance through checkpoint/restart operations. GA implements a global address space programming model, is compatible with MPI, and offers bindings to multiple popular serial languages. Our approach uses a spare pool of processors to perform reconfiguration after the fault. process virtualization, incremental or full checkpoint scheme and restart capabilities. Experimental evaluation in an application context shows that the overhead introduced by checkpointing is less than 1% of the total execution time. A recovery from a single fault increased the execution time by 8%.
C1 [Tipparaju, Vinod; Krishnan, Manoj; Palmer, Bruce; Petrini, Fabrizio; Nieplocha, Jarek] Pacific NW Natl Lab, Richland, WA 99352 USA.
RP Tipparaju, V (reprint author), Pacific NW Natl Lab, Richland, WA 99352 USA.
EM vinod@pnl.gov; manoj@pnl.gov; bruce.palmer@pnl.gov;
fabrizio.petrini@pnl.gov; jarek.nieplocha@pnl.gov
NR 9
TC 1
Z9 1
U1 0
U2 2
PU I O S PRESS
PI AMSTERDAM
PA NIEUWE HEMWEG 6B, 1013 BG AMSTERDAM, NETHERLANDS
SN 0927-5452
BN 978-1-58603-796-3
J9 ADV PAR COM
PY 2008
VL 15
BP 339
EP 345
PG 7
WC Computer Science, Interdisciplinary Applications; Computer Science,
Theory & Methods
SC Computer Science
GA BMT58
UT WOS:000273549500039
ER
PT S
AU Gropp, WD
Frings, W
Hermanns, MA
Jedlicka, E
Jordan, KE
Mintzer, F
Orth, B
AF Gropp, William D.
Frings, Wolfgang
Hermanns, Marc-Andre
Jedlicka, Ed
Jordan, Kirk E.
Mintzer, Fred
Orth, Boris
BE Bischof, C
Bucker, C
Gibbon, P
Joubert, G
Lippert, T
Mohr, B
Peters, F
TI Scaling Science Applications on Blue Gene
SO PARALLEL COMPUTING: ARCHITECTURES, ALGORITHMS AND APPLICATIONS
SE Advances in Parallel Computing
LA English
DT Proceedings Paper
CT International Parallel Computing Conference 2007
CY SEP 04-07, 2007
CL RWTH Aachen Univ, Aachen, FRANCE
SP Forsch Zentrum Julich, IBM, Par Tec Cluster Competence Ctr, RWTHAACHEN
HO RWTH Aachen Univ
AB Massively parallel supercomputers like IBM's Blue Gene/L offer exciting new opportunities for scientific discovery by enabling numerical simulations on an unprecedented scale. However. achieving highly scalable performance is often not straightforward as the system's extraordinary level of parallelism and its specialized nodes present challenges to applications in many areas. including: communication efficiency. memory usage, and I/O.
This mini-symposium aimed to highlight some of the remarkable scaling and performance results achieved, and bring together users and system experts to discuss possible solutions to yet unresolved issues. It featured speakers whose applications have run at large scale on the 8K node system at John von Neumann Institute for Computing at Forschungszentrum Julich and the 20K node system at IBM's Watson Research Center. The talks provided a sampling of the different applications and algorithms that have successfully run on Blue Gene. The speakers discussed best practices, particularly with respect to scaling to tens of thousands of processes, and challenges faced in using BlueGene/L to massive scale. and they showcased some of the breakthrough science that has already been achieved.
C1 [Gropp, William D.; Jedlicka, Ed] Argonne Natl Lab, Div Math & Comp Sci, Argonne, IL 60439 USA.
RP Gropp, WD (reprint author), Argonne Natl Lab, Div Math & Comp Sci, 9700 S Cass Ave, Argonne, IL 60439 USA.
EM gropp@mcs.anl.gov; w.frings@fz-juelich.de; m.a.hermanns@fz-juelich.de;
jedlicka@mcs.anl.gov; kjordan@us.ibm.com; mintzer@us.ibm.com;
b.orth@fz-juelich.de
OI Gropp, William/0000-0003-2905-3029; Hermanns,
Marc-Andre/0000-0003-3895-7791
NR 0
TC 1
Z9 1
U1 0
U2 1
PU I O S PRESS
PI AMSTERDAM
PA NIEUWE HEMWEG 6B, 1013 BG AMSTERDAM, NETHERLANDS
SN 0927-5452
BN 978-1-58603-796-3
J9 ADV PAR COM
PY 2008
VL 15
BP 583
EP 584
PG 2
WC Computer Science, Interdisciplinary Applications; Computer Science,
Theory & Methods
SC Computer Science
GA BMT58
UT WOS:000273549500068
ER
PT S
AU Lee, GL
Ahn, DH
Arnold, DC
de Supinski, BR
Miller, BP
Schulz, M
AF Lee, Gregory L.
Ahn, Dong H.
Arnold, Dorian C.
de Supinski, Bronis R.
Miller, Barton P.
Schulz, Martin
BE Bischof, C
Bucker, C
Gibbon, P
Joubert, G
Lippert, T
Mohr, B
Peters, F
TI Benchmarking the Stack Trace Analysis Tool for BlueGene/L
SO PARALLEL COMPUTING: ARCHITECTURES, ALGORITHMS AND APPLICATIONS
SE Advances in Parallel Computing
LA English
DT Proceedings Paper
CT International Parallel Computing Conference 2007
CY SEP 04-07, 2007
CL RWTH Aachen Univ, Aachen, FRANCE
SP Forsch Zentrum Julich, IBM, Par Tec Cluster Competence Ctr, RWTHAACHEN
HO RWTH Aachen Univ
AB We present STATBench, on emulator of a scalable, lightweight, and effective tool to help debug extreme-scale parallel applications, the Stock Trace Analysis Tool (STAT). STAT periodically stack traces from application processes and organizes the samples into a call graph prefix tree that depicts process equivalence classes based on trace similarities. Me have developed STATBench which only requires limited resources and yet allows us to evaluate the feasibility of and identify potential roadblocks to deploying STAT on entire large scale systems like the 131,072 processor BlueGene/L (BG/L) at Lawrence Livermore National Laboratory.
In this paper we describe the implementation of STATBench and show how our design strategy is generally useful for emulating tool scaling behaviour Vile validate STATBench's emulation of STAT by comparing execution results from STATBench with previously collected data from STAT on the same platform. We then use STATBench to emulate STAT on configurations up to the full BG/L system size - at this scale, STATBench predicts latencies below three seconds.
C1 [Lee, Gregory L.; Ahn, Dong H.; de Supinski, Bronis R.; Schulz, Martin] Lawrence Livermore Natl Lab, Computat Directorate, Livermore, CA 94550 USA.
RP Lee, GL (reprint author), Lawrence Livermore Natl Lab, Computat Directorate, Livermore, CA 94550 USA.
EM lee218@llnl.gov; ahn1@llnl.gov; darnold@cs.wisc.edu; bronis@llnl.gov;
bart@cs.wisc.edu; schulzm@llnl.gov
NR 4
TC 0
Z9 0
U1 0
U2 4
PU I O S PRESS
PI AMSTERDAM
PA NIEUWE HEMWEG 6B, 1013 BG AMSTERDAM, NETHERLANDS
SN 0927-5452
BN 978-1-58603-796-3
J9 ADV PAR COM
PY 2008
VL 15
BP 621
EP 628
PG 8
WC Computer Science, Interdisciplinary Applications; Computer Science,
Theory & Methods
SC Computer Science
GA BMT58
UT WOS:000273549500074
ER
PT S
AU Koniges, AE
Gunney, BTN
Anderson, RW
Fisher, AC
Masters, ND
AF Koniges, Alice. E.
Gunney, Brian T. N.
Anderson, Robert W.
Fisher, Aaron C.
Masters, Nathan D.
BE Bischof, C
Bucker, C
Gibbon, P
Joubert, G
Lippert, T
Mohr, B
Peters, F
TI Development Strategies for Modern Predictive Simulation Codes
SO PARALLEL COMPUTING: ARCHITECTURES, ALGORITHMS AND APPLICATIONS
SE Advances in Parallel Computing
LA English
DT Proceedings Paper
CT International Parallel Computing Conference 2007
CY SEP 04-07, 2007
CL RWTH Aachen Univ, Aachen, FRANCE
SP Forsch Zentrum Julich, IBM, Par Tec Cluster Competence Ctr, RWTHAACHEN
HO RWTH Aachen Univ
ID ADAPTIVE MESH REFINEMENT
AB Modern simulation codes often use a combination of languages and libraries for a variety of reasons including reducing time to solution, automatic parallelism when possible. portability, and modularity. We describe the process of designing a new multiscale simulation code, which takes advantage of these principles. One application of our code is high-powered laser systems. where hundreds of laser beams are concentrated on centimeter-sized targets to enable the demonstration of controlled fusion and exciting new experiments in astrophysics and high-energy-density science. Each target must be carefully analyzed so that debris and shrapnel from the tat-get will be acceptable to optics and diagnostics, creating new simulation regimes. These simulations rely on a predictive capability for determining the debris and shrapnel effects. Our new three-dimensional parallel code uses adaptive mesh refinement (AMR) combined with more standard methods based on Arbitrary Lagrangian Eulerian (ALE) hydrodynamics to perform advanced modelling of each different target design. The AMR method provides a true multiscale simulation that allows for different physical models oil different scales.
We discuss our code development strategies. The code is built oil top of the SAMRAI library (structured adaptive mesh refinement application interface) that provides scalable automatic parallelism. During the development phase of this code we have instituted testing procedures, code writing styles, and team coordination applicable to a rapidly changing source code, several dependent libraries, and a relatively small team including university collaborators with their own source and platforms. We use modern coding techniques and open source tools when possible for code management and testing including CppUnit, Subversion (and previously GNU ARCH), TiddlyWiki and group chat rooms. Additionally. we are conducting experiments aimed at providing a data set for validation of the fragmentation models.
C1 [Koniges, Alice. E.; Gunney, Brian T. N.; Anderson, Robert W.; Fisher, Aaron C.; Masters, Nathan D.] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
RP Koniges, AE (reprint author), Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
EM koniges@llnl.gov
NR 9
TC 1
Z9 1
U1 0
U2 2
PU I O S PRESS
PI AMSTERDAM
PA NIEUWE HEMWEG 6B, 1013 BG AMSTERDAM, NETHERLANDS
SN 0927-5452
BN 978-1-58603-796-3
J9 ADV PAR COM
PY 2008
VL 15
BP 697
EP 704
PG 8
WC Computer Science, Interdisciplinary Applications; Computer Science,
Theory & Methods
SC Computer Science
GA BMT58
UT WOS:000273549500084
ER
PT S
AU Abu-Khzam, FN
Rizk, MA
Abdallah, DA
Samatova, NF
AF Abu-Khzam, Faisal N.
Rizk, Mohamad A.
Abdallah, Deema A.
Samatova, Nagiza F.
BE Wyrzykowski, R
Dongarra, J
Karczewski, K
Wasniewski, J
TI The buffered work-pool approach for search-tree based optimization
algorithms
SO PARALLEL PROCESSING AND APPLIED MATHEMATICS
SE Lecture Notes in Computer Science
LA English
DT Proceedings Paper
CT 7th International Conference on Parallel Processing and Applied
Mathematics
CY SEP 09-12, 2007
CL Gdansk, POLAND
SP intel, Microsoft, IBM, Action SA, SIAM
AB Recent advances in algorithm design have shown a growing interest in seeking exact solutions to many hard problems. This new trend has been motivated by hardness of approximation results that appeared in the last decade, and has taken a great boost by the emergence of parameterized complexity theory. Exact algorithms often follow the classical search-tree based recursive backtracking strategy. Different algorithms adopt different branching and pruning techniques in order to reduce the unavoidable exponential growth in run time. This paper is concerned with another time-saving approach by developing new methods for exploiting high-performance computational platforms. A load balancing strategy is presented that could exploit multi-core architectures, such as clusters of symmetric multiprocessors. The well-known Maximum Clique problem is used as an exemplar to illustrate the utility of our approach.
C1 [Abu-Khzam, Faisal N.; Rizk, Mohamad A.; Abdallah, Deema A.] Lebanese Amer Univ, Div Comp Sci & Math, Beirut, Lebanon.
[Samatova, Nagiza F.] Oak Ridge Natl Lab, Comp Sci & Mat Div, Oak Ridge, TN 37831 USA.
[Samatova, Nagiza F.] N Carolina State Univ, Dept Comp Sci, Raleigh, NC 27695 USA.
RP Abu-Khzam, FN (reprint author), Lebanese Amer Univ, Div Comp Sci & Math, Beirut, Lebanon.
EM faisal.abukhzam@lau.edu.lb
FU U.S. Department of Energy; Laboratory Directed Research and Development;
Oak Ridge National Laboratory; UT-Battelle; LLC U.S. [DE-AC05-00OR22725]
FX This research has been supported by the Exploratory Data Intensive
Computing for Complex Biological Systems project from U.S. Department of
Energy (Office of Advanced Scientific Computing Research, Office of
Science). The work of N. F. Samatova was also sponsored by the
Laboratory Directed Research and Development Program of Oak Ridge
National Laboratory. Oak Ridge National Laboratory is managed by
UT-Battelle for the LLC U.S. D.O.E. under contract no. DE-AC05-
00OR22725.
NR 11
TC 3
Z9 3
U1 0
U2 2
PU SPRINGER-VERLAG BERLIN
PI BERLIN
PA HEIDELBERGER PLATZ 3, D-14197 BERLIN, GERMANY
SN 0302-9743
BN 978-3-540-68105-2
J9 LECT NOTES COMPUT SC
PY 2008
VL 4967
BP 170
EP +
PG 3
WC Computer Science, Software Engineering; Computer Science, Theory &
Methods; Mathematics, Applied
SC Computer Science; Mathematics
GA BHV14
UT WOS:000256665600019
ER
PT S
AU Buttari, A
Langou, J
Kurzak, J
Dongarra, J
AF Buttari, Alfredo
Langou, Julien
Kurzak, Jakub
Dongarra, Jack
BE Wyrzykowski, R
Dongarra, J
Karczewski, K
Wasniewski, J
TI Parallel tiled QR factorization for multicore architectures
SO PARALLEL PROCESSING AND APPLIED MATHEMATICS
SE Lecture Notes in Computer Science
LA English
DT Proceedings Paper
CT 7th International Conference on Parallel Processing and Applied
Mathematics
CY SEP 09-12, 2007
CL Gdansk, POLAND
SP intel, Microsoft, IBM, Action SA, SIAM
ID PERFORMANCE; ALGORITHMS; EQUATIONS; SOFTWARE; LIBRARY; STORAGE; MATRIX
AB As multicore systems continue to gain ground in the High Performance Computing world, linear algebra algorithms have to be reformulated or new algorithms have to be developed in order to take advantage of the architectural features on these new processors. Fine grain parallelism becomes a major requirement and introduces the necessity of loose synchronization in the parallel execution of an operation. This paper presents an algorithm for the QR factorization where the operations can be represented as a sequence of small tasks that operate on square blocks of data. These tasks can be dynamically scheduled for execution based on the dependencies among them and on the availability of computational resources. Compared to the standard approach, say with LAPACK, may result in an out of order execution of the tasks which will completely hide the presence of intrinsically sequential tasks in the factorization. Performance comparisons are presented with the LAPACK algorithm for QR factorization where parallelism can only be exploited at the level of the BLAS operations.
C1 [Buttari, Alfredo; Kurzak, Jakub; Dongarra, Jack] Univ Tennessee, Dept Comp Sci, Knoxville, TN 37996 USA.
[Buttari, Alfredo; Kurzak, Jakub; Dongarra, Jack] Univ Tennessee, Dept Elect Engn, Knoxville, TN 37996 USA.
[Langou, Julien] Univ Colorado, Dept Mech Sci, Denver, CO 80309 USA.
[Langou, Julien] Univ Colorado, Health Sci Ctr, Denver, CO 80309 USA.
[Dongarra, Jack] Oak Ridge Natl Lab, Comp Sci & Mech Div, Oak Ridge, TN USA.
[Dongarra, Jack] Univ Manchester, Manchester M13 9PL, Lancs, England.
RP Buttari, A (reprint author), Univ Tennessee, Dept Comp Sci, Knoxville, TN 37996 USA.
NR 24
TC 4
Z9 4
U1 0
U2 1
PU SPRINGER-VERLAG BERLIN
PI BERLIN
PA HEIDELBERGER PLATZ 3, D-14197 BERLIN, GERMANY
SN 0302-9743
BN 978-3-540-68105-2
J9 LECT NOTES COMPUT SC
PY 2008
VL 4967
BP 639
EP +
PG 3
WC Computer Science, Software Engineering; Computer Science, Theory &
Methods; Mathematics, Applied
SC Computer Science; Mathematics
GA BHV14
UT WOS:000256665600067
ER
PT B
AU Barhen, J
Humble, T
Traweek, M
AF Barhen, Jacob
Humble, Travis
Traweek, Michael
GP IEEE
TI FFT-Based Sonar Array Beamforming Without Corner Tuming
SO PASSIVE '08: 2008 NEW TRENDS FOR ENVIRONMENTAL MONITORING USING PASSIVE
SYSTEMS
LA English
DT Proceedings Paper
CT IEEE Workshop and Exhibition on New Trends for Environmental Monitoring
using Passive Systems (PASSIVE'08)
CY OCT 14-17, 2008
CL Hyeres, FRANCE
SP IEEE Ocean Engn Soc
AB The concept of "corner turning" has been, for many decades, at the heart of array beamforming via Fourier transforms, As widely reported in the open literature (both for sonars and radars), corner turning operations in the computational sequence "temporal Fourier transforms -> data cube corner turning -> spatial Fourier transforms)), constitute a major obstacle to achieve high-performance and lower power dissipation (by reducing the number memory accesses). To date, leading industry providers still include explicit corner turning stages in their computational flow architectures for multidimensional array processing. The emergence of ultra-low power multicore processors opens unprecedented opportunities for implementing sophisticated signal processing algorithms faster and within a much lower energy budget. In that context, the primary innovation reported in this paper addresses the development of a computational scheme that avoids altogether the corner fuming stage. We discuss its implementation on an IBM Cell multicore processor (Sony PS3) and provide preliminary timing results.
C1 [Barhen, Jacob; Humble, Travis] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
[Traweek, Michael] Off Naval Res, Arlington, VA 22217 USA.
RP Barhen, J (reprint author), Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
EM barhenj@ornl.gov
FU United States Office of Naval Research; Naval Sea Systems Command; LLC
[DE-AC05-00OR22725.]
FX This work was supported by the United States Office of Naval Research
and by the Naval Sea Systems Command. Oak Ridge National Laboratory is
managed for the US Department of Energy by UT-Battelle, LLC under
contract DE-AC05-00OR22725.
NR 10
TC 0
Z9 0
U1 0
U2 2
PU IEEE
PI NEW YORK
PA 345 E 47TH ST, NEW YORK, NY 10017 USA
BN 978-1-4244-2815-1
PY 2008
BP 45
EP +
PG 2
WC Acoustics; Computer Science, Artificial Intelligence; Computer Science,
Information Systems; Engineering, Electrical & Electronic
SC Acoustics; Computer Science; Engineering
GA BKL66
UT WOS:000268443800008
ER
PT S
AU Bunch, KJ
McMakin, DL
Sheen, DM
AF Bunch, Kyle J.
McMakin, Douglas L.
Sheen, David M.
BE Appleby, R
Wikner, DA
TI Wideband fractal antennas for holographic imaging and rectenna
applications
SO PASSIVE MILLIMETER-WAVE IMAGING TECHNOLOGY XI
SE Proceedings of SPIE
LA English
DT Proceedings Paper
CT Conference on Passive Millimeter-Wave Imaging Technology XI
CY MAR 18-19, 2008
CL Orlando, FL
SP SPIE
DE fractal antennas; holographic imaging; millimeter waves; rectenna;
harmonic radar; wideband antennas
ID HARMONIC RADAR; WIRE ANTENNAS; ARRAYS; DESIGN; MONOPOLE
AB At Pacific Northwest National Laboratory, wideband antenna arrays have been successfully used to reconstruct three-dimensional images at microwave and millimeter-wave frequencies. Applications of this technology have included portal monitoring, through-wall imaging, and weapons detection. Fractal antennas have been shown to have wideband characteristics due to their self-similar nature (that is, their geometry is replicated at different scales). They further have advantages in providing good characteristics in a compact configuration. We discuss the application of fractal antennas for holographic imaging. Simulation results will be presented.
Rectennas are a specific class of antennas in which a received signal drives a nonlinear junction and is retransmitted at either a harmonic frequency or a demodulated frequency. Applications include tagging and tracking objects with a uniquely-responding antenna. It is of interest to consider fractal rectenna because the self-similarity of fractal antennas tends to make them have similar resonance behavior at multiples of the primary resonance. Thus, fractal antennas can be suited for applications in which a signal is reradiated at a harmonic frequency. Simulations will be discussed with this application in mind.
C1 [Bunch, Kyle J.; McMakin, Douglas L.; Sheen, David M.] Pacific NW Natl Lab, US Dept Energy, Battelle Mem Inst, Richland, WA 99354 USA.
RP Bunch, KJ (reprint author), Pacific NW Natl Lab, US Dept Energy, Battelle Mem Inst, POB 999, Richland, WA 99354 USA.
EM kyle.bunch@pnl.gov
NR 18
TC 0
Z9 0
U1 0
U2 0
PU SPIE-INT SOC OPTICAL ENGINEERING
PI BELLINGHAM
PA 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA
SN 0277-786X
BN 978-0-8194-7139-0
J9 PROC SPIE
PY 2008
VL 6948
AR 69480B
DI 10.1117/12.778265
PG 5
WC Optics; Imaging Science & Photographic Technology
SC Optics; Imaging Science & Photographic Technology
GA BHX74
UT WOS:000257283600009
ER
PT S
AU Sheen, DM
McMakin, DL
Barber, J
Hall, TE
Severtsen, RH
AF Sheen, David M.
McMakin, Douglas L.
Barber, Jeffrey
Hall, Thomas E.
Severtsen, Ronald H.
BE Appleby, R
Wikner, DA
TI Active imaging at 350 GHz for security applications
SO PASSIVE MILLIMETER-WAVE IMAGING TECHNOLOGY XI
SE Proceedings of SPIE
LA English
DT Proceedings Paper
CT Conference on Passive Millimeter-Wave Imaging Technology XI
CY MAR 18-19, 2008
CL Orlando, FL
SP SPIE
DE millimeter waves; terahertz; imaging; holography; personnel
surveillance; screening
ID CONCEALED WEAPON DETECTION; MILLIMETER-WAVE; WIDE-BAND
AB Imaging in the sub-millimeter wave range of 300-1000 GHz is useful for a variety of applications including security screening, imaging through obscurations, and non-destructive evaluation. Waves in this frequency range have wavelengths ranging from 0.3 to 1.0 mm and are able to penetrate many optical obscurants. The ability to form high-resolution images that penetrate clothing makes imaging in this frequency range particularly interesting for personnel security screening at standoff distances. The Pacific Northwest National Laboratory (PNNL) has previously developed portal screening systems that operate at the lower end of the millimeter-wave frequency range around 30 GHz. These systems are well suited for screening within portals and can achieve resolution of about 5 mm at ranges of less than I meter. However, increasing the range of these systems would dramatically reduce the resolution due to diffraction at their relatively long wavelength. Operation at much higher frequencies, for example 350 GHz, will enable an order of magnitude improvement of the resolution at a given range, while still achieving adequate clothing penetration. PNNL's portal imaging systems have relied on wavefront reconstruction, or holographic, imaging techniques to mathematically focus the imagery. In the sub-millimeter-wave, this may not always be practical due to sensitivity of the system to slight changes in the position of the imaging target during data collection. In this case, physical focusing using lenses or reflectors may be more practical. In this paper, we examine the effectiveness of imaging near 350 GHz for security screening applications. Imaging results are presented using the holographic wavefront reconstruction technique, as well as a focused reflector-based imaging system.
C1 [Sheen, David M.; McMakin, Douglas L.; Hall, Thomas E.; Severtsen, Ronald H.] Pacific NW Natl Lab, Pacific NW Div, US Dept Energy, Richland, WA 99352 USA.
RP Sheen, DM (reprint author), Pacific NW Natl Lab, Pacific NW Div, US Dept Energy, POB 999, Richland, WA 99352 USA.
EM david.sheen@pnl.gov
NR 12
TC 3
Z9 4
U1 3
U2 8
PU SPIE-INT SOC OPTICAL ENGINEERING
PI BELLINGHAM
PA 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA
SN 0277-786X
BN 978-0-8194-7139-0
J9 PROC SPIE
PY 2008
VL 6948
AR 69480M
DI 10.1117/12.778011
PG 10
WC Optics; Imaging Science & Photographic Technology
SC Optics; Imaging Science & Photographic Technology
GA BHX74
UT WOS:000257283600016
ER
PT B
AU Nesvadba, NPH
Lehnert, MD
De Breuck, C
Gilbert, A
van Breuge, W
AF Nesvadba, Nicole P. H.
Lehnert, M. D.
De Breuck, C.
Gilbert, A.
van Breuge, W.
BE Knapen, JH
Mahoney, TJ
Vazdekis, A
TI High redshift radio galaxies: AGN feedback in extreme starbursts
SO PATHWAYS THROUGH AN ECLECTIC UNIVERSE
SE Astronomical Society of the Pacific Conference Series
LA English
DT Proceedings Paper
CT Conference on Pathways Through an Eclectic Universe
CY APR 23-27, 2007
CL Santiago del Teide, SPAIN
ID EARLY UNIVERSE
AB We present the initial results of an ongoing study to identify the fingerprints of powerful AGN feedback during the formation epoch of massive galaxies at high redshift by tracing the dynamics of their optical emission line gas through integral field spectroscopy. In a small sample of radio galaxies at z = 2-3.5, we find energetic outflows of similar to 10(9-10) M-circle dot of ionized gas being driven out with velocities of up to 1000 km s(-1). Geometry, timescale, and energy arguments indicate the outflows are related to the AGN and are probably driven through the mechanical energy of the radio jet. With kinetic energies of >= 10(60) erg, sufficient to unbind significant gas masses, these outflows will potentially escape even the most massive halos.
C1 [Nesvadba, Nicole P. H.; Lehnert, M. D.] Univ Paris 07, CNRS, Observ Paris, GEPI, 5 Pl Jules Janssen, F-92190 Meudon, France.
[Nesvadba, Nicole P. H.] Marie Curie Fellow, Rome, Italy.
[De Breuck, C.] European So Observ, Munich, Germany.
[Gilbert, A.; van Breuge, W.] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
RP Nesvadba, NPH (reprint author), Univ Paris 07, CNRS, Observ Paris, GEPI, 5 Pl Jules Janssen, F-92190 Meudon, France.
NR 6
TC 0
Z9 0
U1 0
U2 0
PU ASTRONOMICAL SOC PACIFIC
PI SAN FRANCISCO
PA 390 ASHTON AVE, SAN FRANCISCO, CA 94112 USA
BN 978-1-58381-650-9
J9 ASTR SOC P
PY 2008
VL 390
BP 396
EP +
PG 2
WC Astronomy & Astrophysics
SC Astronomy & Astrophysics
GA BIA28
UT WOS:000257885300092
ER
PT B
AU Lofstead, J
Zheng, F
Klasky, S
Schwan, K
AF Lofstead, Jay
Zheng, Fang
Klasky, Scott
Schwan, Karsten
GP IEEE
TI Input/Output APIs and Data Organization for High Performance Scientific
Computing
SO PDSW'08: PROCEEDINGS OF THE 2008 3RD PETASCALE DATA STORAGE WORKSHOP
LA English
DT Proceedings Paper
CT 3rd Petascale Data Storage Workshop 2008
CY NOV 17, 2008
CL Austin, TX
SP SCO8, IEEE, Pdsi
AB Scientific Data Management has become essential to the productivity of scientists using ever larger machines and running applications that produce ever more data. There are several specific issues when running on petascale (and beyond) machines. One is the need for massively parallel data output, which in part, depends on the data formats and semantics being used. Here, the inhibition of parallelism by file system notions of strict and immediate consistency can be addressed with 'delayed data consistency' methods. Such methods can also be used to remove the runtime coordination steps required for immediate consistency from machine resources like Bluegene's separate networks for barrier calls and its dedicated IO nodes, thereby freeing them to instead, perform alternate tasks that enhance data output performance and/or richness. Second, once data is generated, it is important to be able to efficiently access it, which implies the need for rapid data characterization and indexing. This can be achieved by adding small amounts of metadata to the output process, thereby permitting scientists to quickly make informed decisions about which files to process from large-scale science runs. Third, failure probabilities increase with an increasing number of nodes, which suggests the need for organizing output data to be resilient to failures in which the output from a single or from a small number of nodes is lost or corrupted.
This paper demonstrates the utility of using delayed consistency methods for the process of data output from the compute nodes of petascale machines. It also demonstrates the advantages derived from resilient data organization coupled with lightweight methods for data indexing. An implementation of these techniques is realized in ADIOS, the Adaptable IO System, and its BP intermediate file format. The implementation is designed to be compatible with existing, well-known file formats like HDF-5 and NetCDF, thereby permitting end users to exploit the rich tool chains for these formats. Initial performance evaluations of the approach exhibit substantial performance advantages over using native parallel HDF-5 in the Chimera supernova code.
C1 [Lofstead, Jay; Zheng, Fang; Schwan, Karsten] Georgia Inst Technol, Coll Comp, Atlanta, GA 30332 USA.
[Klasky, Scott] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
RP Lofstead, J (reprint author), Georgia Inst Technol, Coll Comp, Atlanta, GA 30332 USA.
EM lofstead@cc.gatech.edu; fzheng8@mail.gatech.edu; klasky@ornl.gov;
schwan@cc.gatech.edu
NR 13
TC 2
Z9 2
U1 0
U2 2
PU IEEE
PI NEW YORK
PA 345 E 47TH ST, NEW YORK, NY 10017 USA
BN 978-1-4244-4208-9
PY 2008
BP 1
EP +
PG 3
WC Computer Science, Information Systems
SC Computer Science
GA BPK89
UT WOS:000279103000001
ER
PT B
AU Yu, WK
Rao, NSV
Wyckoff, P
Vetter, JS
AF Yu, Weikuan
Rao, Nageswara S. V.
Wyckoff, Pete
Vetter, Jeffrey S.
GP IEEE
TI Performance of RDMA-capable Storage Protocols on Wide-Area Network
SO PDSW'08: PROCEEDINGS OF THE 2008 3RD PETASCALE DATA STORAGE WORKSHOP
LA English
DT Proceedings Paper
CT 3rd Petascale Data Storage Workshop 2008
CY NOV 17, 2008
CL Austin, TX
SP SCO8, IEEE, Pdsi
DE NFS; iSCSI; RDMA; InfiniBand; 10GigE
AB Because of its high throughput, low CPU utilization, and direct data placement, RDMA (Remote Direct Memory Access) has been adopted for transport in a number of storage protocols, such as NFS and iSCSI. In this presentation, we provide a performance evaluation of RDMA-based NFS and iSCSI on Wide-Area Network (WAN). We show that these protocols, though benefit from RDMA on Local Area Network (LAN) and on WAN of short distance, are faced with a number of challenges to achieve good performance on long distance WAN. This is because of (a) the low performance of RDMA reads on WAN, (b) the small 4KB chunks used in NFS over RDMA, and(c)the lack of RDMA capability in handling discontinuous data. Our experimental results document the performance behavior of these RDMA-based storage protocols on WAN.
C1 [Yu, Weikuan; Rao, Nageswara S. V.; Vetter, Jeffrey S.] Oak Ridge Natl Lab, Comp Sci & MAth, Oak Ridge, TN 37831 USA.
[Wyckoff, Pete] Ohio Supercomp Ctr, Columbus, OH 43212 USA.
RP Yu, WK (reprint author), Oak Ridge Natl Lab, Comp Sci & MAth, Oak Ridge, TN 37831 USA.
EM wyu@ornl.gov; raons@ornl.gov; pw@osc.edu; vetter@ornl.gov
FU Office of Advanced Scientific Computing Research; U.S. Department of
Energy; UT-Battelle, LLC [DE-AC05-000R22725]
FX This research is sponsored by the Office of Advanced Scientific
Computing Research; U.S. Department of Energy. The work was performed at
the Oak Ridge National Laboratory, which is managed by UT-Battelle, LLC
under Contract No. DE-AC05-000R22725.
NR 15
TC 0
Z9 0
U1 0
U2 3
PU IEEE
PI NEW YORK
PA 345 E 47TH ST, NEW YORK, NY 10017 USA
BN 978-1-4244-4208-9
PY 2008
BP 23
EP +
PG 3
WC Computer Science, Information Systems
SC Computer Science
GA BPK89
UT WOS:000279103000005
ER
PT B
AU Curry, ML
Skjellum, A
Ward, HL
Brightwell, R
AF Curry, Matthew L.
Skjellum, Anthony
Ward, H. Lee
Brightwell, Ron
GP IEEE
TI Arbitrary Dimension Reed-Solomon Coding and Decoding for Extended RAID
on GPUs
SO PDSW'08: PROCEEDINGS OF THE 2008 3RD PETASCALE DATA STORAGE WORKSHOP
LA English
DT Proceedings Paper
CT 3rd Petascale Data Storage Workshop 2008
CY NOV 17, 2008
CL Austin, TX
SP SCO8, IEEE, Pdsi
AB Reed-Solomon coding is a method of generating arbitrary amounts of checksum information from original data via matrix-vector multiplication in finite fields. Previous work has shown that CPUs are not well-matched to this type of computation, but recent graphical processing units (CPUs) have been shown through a case study to perform this encoding quickly for the 3 + 3 (three data + three parity) case. In order to be utilized in a true RAID-like system, it is important to understand how well this computation can scale in the number of data disks supported. This paper details the performance of a general Reed-Solomon encoding and decoding library that is suitable for use in RAID-like systems. Both generation and recovery are performance-tested and discussed.
C1 [Curry, Matthew L.; Skjellum, Anthony] Univ Alabama Birmingham, Dept Comp & Informat Sci, 1300 Univ Blvd,Rm 115A, Birmingham, AL 35294 USA.
[Ward, H. Lee; Brightwell, Ron] Comp Sci Res Inst, Sandia Natl Labs, Albuquerque, NM 87185 USA.
RP Curry, ML (reprint author), Univ Alabama Birmingham, Dept Comp & Informat Sci, 1300 Univ Blvd,Rm 115A, Birmingham, AL 35294 USA.
EM curryml@cis.uab.edu; tony@cis.uab.edu; lee@sandia.gov;
rbbrigh@sandia.gov
FU Department of Energy [DE-FC02-06ER25767]
FX This material is based upon work supported by the Department of Energy
under Award Number DE-FC02-06ER25767.
NR 8
TC 0
Z9 0
U1 0
U2 1
PU IEEE
PI NEW YORK
PA 345 E 47TH ST, NEW YORK, NY 10017 USA
BN 978-1-4244-4208-9
PY 2008
BP 35
EP +
PG 2
WC Computer Science, Information Systems
SC Computer Science
GA BPK89
UT WOS:000279103000007
ER
PT B
AU May, J
AF May, John
GP IEEE
TI Pianola: A script-based I/O benchmark
SO PDSW'08: PROCEEDINGS OF THE 2008 3RD PETASCALE DATA STORAGE WORKSHOP
LA English
DT Proceedings Paper
CT 3rd Petascale Data Storage Workshop 2008
CY NOV 17, 2008
CL Austin, TX
SP SCO8, IEEE, Pdsi
AB Script-based I/O benchmarks record the I/O behavior of applications by using an instrumentation library to trace I/O events and their timing. A replay engine can then reproduce these events from the script in the absence of the original application. This type of benchmark reproduces real-world I/O workloads without the need to distribute, build, or run complex applications. However, faithfully recreating the I/O behavior of the original application requires careful design in both the instrumentation library and the replay engine. This paper presents the Piano la script-based benchmarking system, which includes an accurate and unobtrusive instrumentation system and a simple-to-use replay engine, along with some additional utility programs to manage the creation and replay of scripts. We show that for some sample applications, Pianola reproduces the qualitative features of the I/O behavior. Moreover, the overall replay time and the cumulative read and write times are usually within 10% of the values measured for the original applications.
C1 Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
RP May, J (reprint author), Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
EM johnmay@llnl.gov
NR 4
TC 0
Z9 0
U1 0
U2 0
PU IEEE
PI NEW YORK
PA 345 E 47TH ST, NEW YORK, NY 10017 USA
BN 978-1-4244-4208-9
PY 2008
BP 38
EP 43
PG 6
WC Computer Science, Information Systems
SC Computer Science
GA BPK89
UT WOS:000279103000008
ER
PT B
AU Mackey, G
Sehrish, S
Bent, J
Lopez, J
Habib, S
Wang, J
AF Mackey, Grant
Sehrish, Saba
Bent, John
Lopez, Julio
Habib, Salman
Wang, Jun
GP IEEE
TI Introducing Map-Reduce to High End Computing
SO PDSW'08: PROCEEDINGS OF THE 2008 3RD PETASCALE DATA STORAGE WORKSHOP
LA English
DT Proceedings Paper
CT 3rd Petascale Data Storage Workshop 2008
CY NOV 17, 2008
CL Austin, TX
SP SCO8, IEEE, Pdsi
AB In this work we present an scientific application that has been given a Hadoop MapReduce implementation. We also discuss other scientific fields of supercomputing that could benefit from a MapReduce implementation. We recognize in this work that Hadoop has potential benefit for more applications than simply data mining, but that it is not a panacea for all data intensive applications.
We provide an example of how the halo finding application, when applied to large astrophysics datasets, benefits from the model of the Hadoop architecture. The halo finding application uses a friends of friends algorithm to quickly cluster together large sets of particles to output files which a visualization software can interpret. The current implementation requires that large datasets be moved from storage to computation resources for every simulation of astronomy data. Our Hadoop implementation allows for an in-place halo finding application on the datasets, which removes the time consuming process of transferring data between resources.
C1 [Mackey, Grant; Lopez, Julio] Univ Cent Florida, Orlando, FL 32816 USA.
[Sehrish, Saba; Habib, Salman] Los Alamos Natl Lab, Los Alamos, NM 87544 USA.
[Bent, John; Wang, Jun] Carnegie Mellon Univ, Pittsburgh, PA 15213 USA.
RP Mackey, G (reprint author), Univ Cent Florida, Orlando, FL 32816 USA.
EM gmackey@cs.ucf.edu; ssehrish@cs.ucf.edu; johnbent@lanl.gov;
jclopez@andrew.cmu.edu; habib@lanl.gov; jwang@cs.ucfedu
FU US National Science Foundation [CNS-0646910, CNS0646911, CCF-0621526,
CCF-0811413]; US Department of Energy Early Career Principal
Investigator Award [DE-FG02-07ER25747]
FX This work is supported in part by the US National Science Foundation
under grants CNS-0646910, CNS0646911, CCF-0621526, CCF-0811413, and the
US Department of Energy Early Career Principal Investigator Award
DE-FG02-07ER25747.
NR 17
TC 0
Z9 0
U1 0
U2 4
PU IEEE
PI NEW YORK
PA 345 E 47TH ST, NEW YORK, NY 10017 USA
BN 978-1-4244-4208-9
PY 2008
BP 44
EP +
PG 2
WC Computer Science, Information Systems
SC Computer Science
GA BPK89
UT WOS:000279103000009
ER
PT B
AU Monti, HM
Butt, AR
Vazhkudai, SS
AF Monti, Henry M.
Butt, Ali R.
Vazhkudai, Sudharshan S.
GP IEEE
TI Just-in-time Staging of Large Input Data for Supercomputing Jobs
SO PDSW'08: PROCEEDINGS OF THE 2008 3RD PETASCALE DATA STORAGE WORKSHOP
LA English
DT Proceedings Paper
CT 3rd Petascale Data Storage Workshop 2008
CY NOV 17, 2008
CL Austin, TX
SP SCO8, IEEE, Pdsi
AB High performance computing is facing a data deluge from state-of-the-art colliders and observatories. Large data-sets from these facilities, and other end-user sites, are often inputs to intensive analyses on modern supercomputers. Timely staging in of input data at the supercomputer's local storage can not only optimize space usage, but also protect against delays due to storage system failures. To this end, we propose a just-in-time staging framework that uses a combination of batch-queue predictions, user-specified intermediate nodes, and decentralized data delivery to coincide input data staging with job startup. Our preliminary prototype has been integrated with widely used tools such as the PBS job submission system, Bit Torrent data delivery, and Network Weather Service network monitoring facility.
C1 [Monti, Henry M.; Butt, Ali R.] Virginia Tech, Blacksburg, VA 24061 USA.
[Vazhkudai, Sudharshan S.] Oak Ridge Natl Lab, POB 2008, Oak Ridge, TN 37831 USA.
RP Monti, HM (reprint author), Virginia Tech, Blacksburg, VA 24061 USA.
EM hmonti@cs.vt.edu; butta@cs.vt.edu; vazhkudaiss@ornl.gov
FU Laboratory Directed Research and Development Program of Oak Ridge
National Laboratory (ORNL); U.S. Department of Energy
[DE-AC05-00OR22725]; U.S. National Science Foundation Faculty Early
Career Development (CAREER) Program [CCF-0746832]
FX This research is sponsored in part by the Laboratory Directed Research
and Development Program of Oak Ridge National Laboratory (ORNL), managed
by UT-Battelle, LLC for the U.S. Department of Energy under Contract No.
DE-AC05-00OR22725, and by the U.S. National Science Foundation Faculty
Early Career Development (CAREER) Program CCF-0746832.
NR 14
TC 0
Z9 0
U1 0
U2 1
PU IEEE
PI NEW YORK
PA 345 E 47TH ST, NEW YORK, NY 10017 USA
BN 978-1-4244-4208-9
PY 2008
BP 58
EP +
PG 2
WC Computer Science, Information Systems
SC Computer Science
GA BPK89
UT WOS:000279103000011
ER
PT S
AU Przewoznik, J
Tyliszczak, T
Rybicki, D
Zukrowski, J
Szczerba, W
Sikora, M
Kapusta, C
Stepankova, H
Pacheco, RF
Serrate, D
Ibarra, MR
AF Przewoznik, J.
Tyliszczak, T.
Rybicki, D.
Zukrowski, J.
Szczerba, W.
Sikora, M.
Kapusta, Cz.
Stepankova, H.
Pacheco, R. F.
Serrate, D.
Ibarra, M. R.
BE Lojkowski, W
Blizzard, JR
TI Structural, magnetic and electronic properties of surface oxidised Fe
nanoparticles
SO PERSPECTIVES OF NANOSCIENCE AND NANOTECHNOLOGY: ACTA MATERIALIA GOLD
MEDAL WORKSHOP
SE Solid State Phenomena
LA English
DT Proceedings Paper
CT Fall Meeting of the European-Materials-Research-Society
CY SEP 17-21, 2007
CL Warsaw Univ Technol, Warsaw, POLAND
SP European Mat Res Soc
HO Warsaw Univ Technol
DE surface oxidised Fe powders; ball milling; structural properties;
magnetic and electronic properties
AB A combined XRD, Mossbauer, SEM, STXM and NMR study of naturally oxidised, ball milled iron powders is presented. The XRD patterns show the peaks of the bcc-Fe phase with the line widths increasing with the milling time. This corresponds to a flattening of the crystallites, as confirmed by SEM, and increased strain due to the accumulation of defects. The effect is consistent with the variation of the Mossbauer line-widths with the milling time. Scanning Transmission Xray Microscopy (STXM) measurements provided oxygen maps of the particles and revealed that the dominant oxide in the nanometric oxide layer is magnetite. The 57 Fe spin echo NMR study reveals a dominant signal corresponding to a bcc-Fe core and a much weaker resonance corresponding to a magnetite amount of less than 1%.
C1 [Przewoznik, J.; Rybicki, D.; Zukrowski, J.; Szczerba, W.; Sikora, M.; Kapusta, Cz.] AGH Univ Sci & Technol, Fac Phys & Appl Comp Sci, Mickiewicza 30, PL-30059 Krakow, Poland.
[Tyliszczak, T.] Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA.
[Stepankova, H.] Charles Univ Prague, Fac Math & Phys, CR-12116 Prague, Czech Republic.
[Pacheco, R. F.; Serrate, D.; Ibarra, M. R.] Univ Zaragoza, Fac Ciencias, E-50009 Zaragoza, Spain.
[Ibarra, M. R.] Univ Zaragoza INA, Inst Nanociencia Aragon, E-50009 Zaragoza, Spain.
RP Przewoznik, J (reprint author), AGH Univ Sci & Technol, Fac Phys & Appl Comp Sci, Mickiewicza 30, PL-30059 Krakow, Poland.
EM januszp@agh.edu.pl; tolek@lbl.gov; ryba@agh.edu.pl; zukrow@agh.edu.pl;
wsz@agh.edu.pl; marcins@agh.edu.pl; kapusta@agh.edu.pl
RI Sikora, Marcin/F-9998-2010; Ibarra, Manuel Ricardo/K-1150-2014
OI Sikora, Marcin/0000-0003-4491-3496; Ibarra, Manuel
Ricardo/0000-0003-0681-8260
FU European Commission [027827]; Polish Ministry of Science and Higher
Education; Faculty of Physics and Applied Computer Sciences at AGH
University of Science and Technology in Cracow
FX The work was supported by the European Commission, grant No. 027827,
STREP - MUNDIS and by the Polish Ministry of Science and Higher
Education, statutory funds for the Faculty of Physics and Applied
Computer Sciences at AGH University of Science and Technology in Cracow.
NR 8
TC 1
Z9 1
U1 0
U2 5
PU TRANS TECH PUBLICATIONS LTD
PI DURNTEN-ZURICH
PA KREUZSTRASSE 10, 8635 DURNTEN-ZURICH, SWITZERLAND
SN 1012-0394
J9 SOLID STATE PHENOMEN
PY 2008
VL 140
BP 47
EP +
PG 2
WC Nanoscience & Nanotechnology; Materials Science, Multidisciplinary
SC Science & Technology - Other Topics; Materials Science
GA BIG91
UT WOS:000259400400006
ER
PT B
AU May, M
AF May, Michael
BE Twomey, CP
TI THE US-CHINA STRATEGIC RELATIONSHIP
SO PERSPECTIVES ON SINO-AMERICAN STRATEGIC NUCLEAR ISSUES
SE Initiatives in Strategic Studies-Issues and Policies
LA English
DT Article; Book Chapter
C1 [May, Michael] Stanford Univ, Sch Engn, Stanford, CA 94305 USA.
[May, Michael] Stanford Univ, Freeman Spogli Inst Int Studies, Ctr Int Secur & Cooperat, Stanford, CA 94305 USA.
[May, Michael] Lawrence Livermore Natl Lab, Livermore, CA USA.
RP May, M (reprint author), Stanford Univ, Sch Engn, Stanford, CA 94305 USA.
NR 12
TC 0
Z9 0
U1 0
U2 0
PU PALGRAVE
PI BASINGSTOKE
PA HOUNDMILLS, BASINGSTOKE RG21 6XS, ENGLAND
BN 978-0-230-61316-4
J9 INITIAT STRATEG STUD
PY 2008
BP 41
EP 56
D2 10.1057/9780230613164
PG 16
WC International Relations; Political Science
SC International Relations; Government & Law
GA BRM90
UT WOS:000283132300003
ER
PT S
AU Scholtz, J
Theofanos, M
Consolvo, S
AF Scholtz, Jean
Theofanos, Mary
Consolvo, Sunny
BE Kourouthanassis, PE
Giaglis, GM
TI A FRAMEWORK FOR THE EVALUATION OF PERVASIVE INFORMATION SYSTEMS
SO PERVASIVE INFORMATION SYSTEMS
SE Advances in Management Information Systems
LA English
DT Article; Book Chapter
DE Evaluation; Measures; Methodologies; Metrics; Pervasive Computing
ID COMPUTER; TECHNOLOGY; ACCEPTANCE; DESIGN; ISSUES; MODELS
AB As pervasive information systems weave their way into society, it is critical that these new systems are accepted and utilized. However, it is difficult to determine what makes for a good design and a successful interaction because evaluation methodologies and metrics are in their infancy for these types of systems. The complexity and diversity of these systems has made it difficult to establish common evaluation techniques and practices. However, the necessity for such a framework is overwhelmingly apparent. A framework will make it easier for researchers to learn from each other's results, create effective discount evaluation techniques and design guidelines for pervasive computing, provide a mechanism for researchers to share what they have learned about the appropriateness of different evaluation techniques, and provide structure so that key areas of evaluation are not overlooked.
In this chapter, we present a framework of areas of evaluation for pervasive information systems. The framework includes nine evaluation areas that include elements of usability, interaction, and values (such as privacy and trust). We present sample metrics and measures and examples for each area from the literature. We review a number of methodologies that have been used in evaluation and provide a case study of an evaluation using a number of the evaluation areas in the framework. We conclude with a discussion of future needs to enable researchers to share evaluation results.
C1 [Scholtz, Jean; Theofanos, Mary] NIST, Visualizat & Usabil Grp, Ind Usabil Reporting Project, Gaithersburg, MD 20899 USA.
[Scholtz, Jean] Berkeleys Endeavor Project, Berkeley, CA USA.
[Scholtz, Jean] Intel Corp, Santa Clara, CA 95051 USA.
[Scholtz, Jean] Portland State Univ, Fac Comp Sci, Portland, OR 97207 USA.
[Theofanos, Mary] Natl Canc Inst, Commun Technol Res Ctr, Bethesda, MD 20892 USA.
[Theofanos, Mary] US DOE, Washington, DC 20585 USA.
RP Scholtz, J (reprint author), NIST, Visualizat & Usabil Grp, Ind Usabil Reporting Project, Gaithersburg, MD 20899 USA.
NR 49
TC 0
Z9 0
U1 0
U2 1
PU M E SHARPE INC
PI ARMONK
PA 80 BUSINESS PARK DRIVE, ARMONK, NY 10504 USA
SN 1554-6152
BN 978-0-7656-1689-0
J9 ADV MANAG INFORM SYS
PY 2008
VL 10
BP 210
EP 231
PG 22
WC Computer Science, Information Systems; Information Science & Library
Science
SC Computer Science; Information Science & Library Science
GA BRQ88
UT WOS:000283438800012
ER
PT B
AU Shalf, J
Oliker, L
Lijewski, M
Kamil, S
Carter, J
Canning, A
Ethier, S
AF Shalf, John
Oliker, Leonid
Lijewski, Michael
Kamil, Shoaib
Carter, Jonathan
Canning, Andrew
Ethier, Stephane
BE Bader, DA
TI Performance Characteristics of Potential Petascale Scientific
Applications
SO PETASCALE COMPUTING: ALGORITHMS AND APPLICATIONS
SE Chapman & Hall-CRC Computational Science Series
LA English
DT Article; Book Chapter
AB After a decade where HEC (high-end computing) capability was dominated by the rapid pace of improvements to CPU clock frequency, the performance of next-generation supercomputers is increasingly differentiated by varying interconnect designs and levels of integration. Understanding the trade-offs of these system designs, in the context of high-end numerical simulations, is a key step towards making effective petascale computing a reality. This work represents one of the most comprehensive performance evaluation studies to date on modern HEC systems, including the IBM Power5, AMD Opteron, IBM BG/L, and Cray X1E. A novel aspect of our study is the emphasis on full applications, with real input data at the scale desired by computational scientists in their unique domain. We examine five candidate ultra-scale applications, representing a broad range of algorithms and computational structures. Our work includes the highest concurrency experiments to date on five of our six applications, including 32K processor scalability for two of our codes and describes several successful optimization strategies on BG/L, as well as improved X1E vectorization. Overall results indicate that our evaluated codes have the potential to effectively utilize petascale resources; however, several applications will require reengineering to incorporate the additional levels of parallelism necessary to utilize the vast concurrency of upcoming ultra-scale systems.
C1 [Shalf, John; Oliker, Leonid; Lijewski, Michael; Kamil, Shoaib; Carter, Jonathan; Canning, Andrew] Univ Calif Berkeley, Lawrence Berkeley Lab, CRD NERSC, Berkeley, CA 94720 USA.
[Ethier, Stephane] Princeton Univ, Princeton Plasma Phys Lab, Princeton, NJ 08453 USA.
RP Shalf, J (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, CRD NERSC, Berkeley, CA 94720 USA.
NR 30
TC 2
Z9 2
U1 0
U2 0
PU CHAPMAN & HALL/CRC PRESS
PI BOCA RATON
PA 6000 BROKEN SOUND PKWY, NW, STE 300, BOCA RATON, FL 33487 USA
BN 978-1-58488-909-0
J9 CH CRC COMP SCI SER
PY 2008
BP 1
EP 28
PG 28
WC Computer Science, Theory & Methods
SC Computer Science
GA BKA06
UT WOS:000267566400001
ER
PT B
AU Ashby, SF
May, JM
AF Ashby, Steven F.
May, John M.
BE Bader, DA
TI Multiphysics Simulations and Petascale Computing
SO PETASCALE COMPUTING: ALGORITHMS AND APPLICATIONS
SE Chapman & Hall-CRC Computational Science Series
LA English
DT Article; Book Chapter
C1 [Ashby, Steven F.; May, John M.] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
RP Ashby, SF (reprint author), Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
NR 18
TC 0
Z9 0
U1 0
U2 0
PU CHAPMAN & HALL/CRC PRESS
PI BOCA RATON
PA 6000 BROKEN SOUND PKWY, NW, STE 300, BOCA RATON, FL 33487 USA
BN 978-1-58488-909-0
J9 CH CRC COMP SCI SER
PY 2008
BP 47
EP +
PG 21
WC Computer Science, Theory & Methods
SC Computer Science
GA BKA06
UT WOS:000267566400003
ER
PT B
AU Norman, ML
Bordner, J
Reynolds, D
Wagner, R
Bryan, GL
Harkness, R
O'Shea, B
AF Norman, Michael L.
Bordner, James
Reynolds, Daniel
Wagner, Rick
Bryan, Greg L.
Harkness, Robert
O'Shea, Brian
BE Bader, DA
TI Simulating Cosmological Evolution with Enzo
SO PETASCALE COMPUTING: ALGORITHMS AND APPLICATIONS
SE Chapman & Hall-CRC Computational Science Series
LA English
DT Article; Book Chapter
ID ADAPTIVE MESH REFINEMENT; HYDRODYNAMICS
C1 [Norman, Michael L.; Bordner, James; Reynolds, Daniel; Wagner, Rick] Univ Calif San Diego, Ctr Astrophys & Space Sci, Lab Computat Astrophys, La Jolla, CA 92093 USA.
[Bryan, Greg L.] Columbia Univ, Dept Astron, New York, NY 10027 USA.
[Harkness, Robert] Univ Calif San Diego, San Diego Supercomp Ctr, La Jolla, CA 92093 USA.
[O'Shea, Brian] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
RP Norman, ML (reprint author), Univ Calif San Diego, Ctr Astrophys & Space Sci, Lab Computat Astrophys, 9500 Gilman Dr, La Jolla, CA 92093 USA.
EM mlnorman@ucsd.edu; jobordner@ucsd.edu; drreynolds@ucsd.edu;
rpwagner@ucsd.edu; gbryan@astro.columbia.edu; harkness@sdsc.edu;
bwoshea@lanl.gov
NR 16
TC 12
Z9 12
U1 0
U2 0
PU CHAPMAN & HALL/CRC PRESS
PI BOCA RATON
PA 6000 BROKEN SOUND PKWY, NW, STE 300, BOCA RATON, FL 33487 USA
BN 978-1-58488-909-0
J9 CH CRC COMP SCI SER
PY 2008
BP 83
EP +
PG 21
WC Computer Science, Theory & Methods
SC Computer Science
GA BKA06
UT WOS:000267566400005
ER
PT B
AU Drake, JB
Jones, PW
Vertenstein, M
White, JB
Worley, PH
AF Drake, John B.
Jones, Philip W.
Vertenstein, Mariana
White, James B., III
Worley, Patrick H.
BE Bader, DA
TI Software Design for Petascale Climate Science
SO PETASCALE COMPUTING: ALGORITHMS AND APPLICATIONS
SE Chapman & Hall-CRC Computational Science Series
LA English
DT Article; Book Chapter
ID VOLUME DYNAMICAL CORE; SEA-ICE; PERFORMANCE PORTABILITY; SYSTEM MODEL;
COMMUNITY; GRIDS
C1 [Drake, John B.; White, James B., III; Worley, Patrick H.] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
[Jones, Philip W.] Los Alamos Natl Lab, Los Alamos, NM USA.
[Vertenstein, Mariana] Natl Ctr Atmospher Res, Boulder, CO 80307 USA.
RP Drake, JB (reprint author), Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
NR 40
TC 4
Z9 4
U1 0
U2 0
PU CHAPMAN & HALL/CRC PRESS
PI BOCA RATON
PA 6000 BROKEN SOUND PKWY, NW, STE 300, BOCA RATON, FL 33487 USA
BN 978-1-58488-909-0
J9 CH CRC COMP SCI SER
PY 2008
BP 125
EP 146
PG 22
WC Computer Science, Theory & Methods
SC Computer Science
GA BKA06
UT WOS:000267566400007
ER
PT B
AU Agarwal, PK
Alam, SP
Geist, A
AF Agarwal, Pratul K.
Alam, Sadaf Pl.
Geist, Al
BE Bader, DA
TI Simulating Biomolecules on the Petascale Supercomputers
SO PETASCALE COMPUTING: ALGORITHMS AND APPLICATIONS
SE Chapman & Hall-CRC Computational Science Series
LA English
DT Article; Book Chapter
ID MOLECULAR-DYNAMICS SIMULATIONS; ENZYME CATALYSIS; PROTEIN DYNAMICS;
CYCLOPHILIN-A; FORCE-FIELDS; ISOMERIZATION; PROGRAM; SYSTEMS; ENERGY
C1 [Agarwal, Pratul K.] Univ Tennessee, Knoxville, TN USA.
[Agarwal, Pratul K.; Alam, Sadaf Pl.; Geist, Al] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
RP Agarwal, PK (reprint author), Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
EM agarwalpk@ornl.gov; alamsr@ornl.gov; gst@ornl.gov
NR 40
TC 0
Z9 0
U1 0
U2 0
PU CHAPMAN & HALL/CRC PRESS
PI BOCA RATON
PA 6000 BROKEN SOUND PKWY, NW, STE 300, BOCA RATON, FL 33487 USA
BN 978-1-58488-909-0
J9 CH CRC COMP SCI SER
PY 2008
BP 211
EP +
PG 27
WC Computer Science, Theory & Methods
SC Computer Science
GA BKA06
UT WOS:000267566400011
ER
PT B
AU Madduri, K
Bader, DA
Berry, JW
Crobak, JR
Hendrickson, BA
AF Madduri, Kamesh
Bader, David A.
Berry, Jonathan W.
Crobak, Joseph R.
Hendrickson, Bruce A.
BE Bader, DA
TI Multithreaded Algorithms for Processing Massive Graphs
SO PETASCALE COMPUTING: ALGORITHMS AND APPLICATIONS
SE Chapman & Hall-CRC Computational Science Series
LA English
DT Article; Book Chapter
ID SOURCE SHORTEST PATHS; NETWORKS; CENTRALITY; TIME; BETWEENNESS
C1 [Madduri, Kamesh; Bader, David A.] Georgia Inst Technol, Atlanta, GA 30332 USA.
[Berry, Jonathan W.; Hendrickson, Bruce A.] Sandia Natl Labs, Albuquerque, NM 87185 USA.
[Crobak, Joseph R.] Rutgers State Univ, Piscataway, NJ USA.
RP Madduri, K (reprint author), Georgia Inst Technol, Atlanta, GA 30332 USA.
NR 46
TC 22
Z9 22
U1 0
U2 0
PU CHAPMAN & HALL/CRC PRESS
PI BOCA RATON
PA 6000 BROKEN SOUND PKWY, NW, STE 300, BOCA RATON, FL 33487 USA
BN 978-1-58488-909-0
J9 CH CRC COMP SCI SER
PY 2008
BP 237
EP 262
PG 26
WC Computer Science, Theory & Methods
SC Computer Science
GA BKA06
UT WOS:000267566400012
ER
PT B
AU Dongarra, JJ
Chen, ZZ
Bosilca, G
Langou, J
AF Dongarra, Jack J.
Chen, Zizhong
Bosilca, George
Langou, Julien
BE Bader, DA
TI Disaster Survival Guide in Petascale Computing: An Algorithmic Approach
SO PETASCALE COMPUTING: ALGORITHMS AND APPLICATIONS
SE Chapman & Hall-CRC Computational Science Series
LA English
DT Article; Book Chapter
ID OPTIMUM CHECKPOINT INTERVAL; HIGH-PERFORMANCE; FAULT-TOLERANCE; SYSTEMS
C1 [Dongarra, Jack J.; Bosilca, George] Univ Tennessee, Dept Elect Engn & Comp Sci, Innovat Comp Lab, Knoxville, TN 37996 USA.
[Chen, Zizhong] Jacksonville State Univ, Jacksonville, AL 36265 USA.
[Langou, Julien] Univ Colorado, Hlth Sci Ctr, Dept Math Sci, Denver, CO 80202 USA.
[Dongarra, Jack J.] Oak Ridge Natl Lab, Oak Ridge, TN USA.
[Dongarra, Jack J.] Univ Manchester, Manchester M13 9PL, Lancs, England.
RP Dongarra, JJ (reprint author), Univ Tennessee, Dept Elect Engn & Comp Sci, Innovat Comp Lab, Knoxville, TN 37996 USA.
EM dongarra@cs.utk.edu; zchen@jsu.edu; bosilca@cs.utk.edu;
julien.langou@cudenver.edu
NR 25
TC 0
Z9 0
U1 0
U2 0
PU CHAPMAN & HALL/CRC PRESS
PI BOCA RATON
PA 6000 BROKEN SOUND PKWY, NW, STE 300, BOCA RATON, FL 33487 USA
BN 978-1-58488-909-0
J9 CH CRC COMP SCI SER
PY 2008
BP 263
EP 288
PG 26
WC Computer Science, Theory & Methods
SC Computer Science
GA BKA06
UT WOS:000267566400013
ER
PT B
AU Strohmaier, E
AF Strohmaier, Erich
BE Bader, DA
TI Performance and its Complexity on Petascale Systems
SO PETASCALE COMPUTING: ALGORITHMS AND APPLICATIONS
SE Chapman & Hall-CRC Computational Science Series
LA English
DT Article; Book Chapter
C1 Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
RP Strohmaier, E (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
NR 20
TC 0
Z9 0
U1 0
U2 0
PU CHAPMAN & HALL/CRC PRESS
PI BOCA RATON
PA 6000 BROKEN SOUND PKWY, NW, STE 300, BOCA RATON, FL 33487 USA
BN 978-1-58488-909-0
J9 CH CRC COMP SCI SER
PY 2008
BP 333
EP +
PG 22
WC Computer Science, Theory & Methods
SC Computer Science
GA BKA06
UT WOS:000267566400016
ER
PT B
AU Freundl, C
Gradl, T
Rude, U
Bergen, B
AF Freundl, Christoph
Gradl, Tobias
Ruede, Ulrich
Bergen, Benjamin
BE Bader, DA
TI Towards Petascale Multilevel Finite-Element Solvers
SO PETASCALE COMPUTING: ALGORITHMS AND APPLICATIONS
SE Chapman & Hall-CRC Computational Science Series
LA English
DT Article; Book Chapter
C1 [Freundl, Christoph; Gradl, Tobias; Ruede, Ulrich] Univ Erlangen Nurnberg, Erlangen, Germany.
[Bergen, Benjamin] Los Alamos Natl Lab, Los Alamos, NM USA.
RP Freundl, C (reprint author), Univ Erlangen Nurnberg, Erlangen, Germany.
NR 19
TC 3
Z9 3
U1 0
U2 0
PU CHAPMAN & HALL/CRC PRESS
PI BOCA RATON
PA 6000 BROKEN SOUND PKWY, NW, STE 300, BOCA RATON, FL 33487 USA
BN 978-1-58488-909-0
J9 CH CRC COMP SCI SER
PY 2008
BP 375
EP 389
PG 15
WC Computer Science, Theory & Methods
SC Computer Science
GA BKA06
UT WOS:000267566400018
ER
PT B
AU Norris, B
Hartono, A
Gropp, WD
AF Norris, Boyana
Hartono, Albert
Gropp, William D.
BE Bader, DA
TI Annotations for Productivity and Performance Portability
SO PETASCALE COMPUTING: ALGORITHMS AND APPLICATIONS
SE Chapman & Hall-CRC Computational Science Series
LA English
DT Article; Book Chapter
ID LIBRARIES
C1 [Norris, Boyana; Gropp, William D.] Argonne Natl Lab, Div Math & Comp Sci, Argonne, IL 60439 USA.
[Hartono, Albert] Ohio State Univ, Dept Comp Sci & Engn, Columbus, OH 43210 USA.
RP Norris, B (reprint author), Argonne Natl Lab, Div Math & Comp Sci, 9700 S Cass Ave, Argonne, IL 60439 USA.
EM norris@mcs.anl.gov; hartonoa@cse.ohio-state.edu; gropp@mcs.anl.gov
OI Norris, Boyana/0000-0001-5811-9731
NR 20
TC 3
Z9 3
U1 0
U2 0
PU CHAPMAN & HALL/CRC PRESS
PI BOCA RATON
PA 6000 BROKEN SOUND PKWY, NW, STE 300, BOCA RATON, FL 33487 USA
BN 978-1-58488-909-0
J9 CH CRC COMP SCI SER
PY 2008
BP 443
EP 462
PG 20
WC Computer Science, Theory & Methods
SC Computer Science
GA BKA06
UT WOS:000267566400021
ER
PT B
AU Schnetter, E
Ott, CD
Allen, G
Diener, P
Goodale, T
Radke, T
Seidel, E
Shalf, J
AF Schnetter, Erik
Ott, Christian D.
Allen, Gabrielle
Diener, Peter
Goodale, Tom
Radke, Thomas
Seidel, Edward
Shalf, John
BE Bader, DA
TI Cactus Framework: Black Holes to Gamma Ray Bursts
SO PETASCALE COMPUTING: ALGORITHMS AND APPLICATIONS
SE Chapman & Hall-CRC Computational Science Series
LA English
DT Article; Book Chapter
ID ADAPTIVE MESH REFINEMENT; SUPERNOVA; SIMULATIONS; COLLAPSE; EXPLOSIONS;
EQUATIONS; STARS
C1 [Schnetter, Erik; Allen, Gabrielle; Diener, Peter; Goodale, Tom; Seidel, Edward] Louisiana State Univ, Ctr Computat & Technol, Baton Rouge, LA 70803 USA.
[Schnetter, Erik; Diener, Peter] Louisiana State Univ, Dept Phys & Astron, Baton Rouge, LA 70803 USA.
[Seidel, Edward] Louisiana State Univ, Dept Phys, Baton Rouge, LA 70803 USA.
[Ott, Christian D.] Univ Arizona, Dept Astron, Tucson, AZ USA.
[Ott, Christian D.] Univ Arizona, Steward Observ, Tucson, AZ USA.
[Goodale, Tom] Cardiff Univ, Sch Comp Sci, Cardiff, S Glam, Wales.
[Shalf, John] Univ Calif Berkeley, Lawrence Berkeley Lab, CRD NERSC, Berkeley, CA 94720 USA.
[Radke, Thomas] Albert Einstein Inst, Max Planck Inst Gravitat Phys, Golm, Germany.
[Allen, Gabrielle] Louisiana State Univ, Dept Comp Sci, Baton Rouge, LA 70803 USA.
RP Schnetter, E (reprint author), Louisiana State Univ, Ctr Computat & Technol, Baton Rouge, LA 70803 USA.
NR 36
TC 3
Z9 3
U1 0
U2 0
PU CHAPMAN & HALL/CRC PRESS
PI BOCA RATON
PA 6000 BROKEN SOUND PKWY, NW, STE 300, BOCA RATON, FL 33487 USA
BN 978-1-58488-909-0
J9 CH CRC COMP SCI SER
PY 2008
BP 507
EP +
PG 23
WC Computer Science, Theory & Methods
SC Computer Science
GA BKA06
UT WOS:000267566400024
ER
PT J
AU Christen, HM
Varela, M
Kim, DH
AF Christen, Hans M.
Varela, Maria
Kim, Dae Ho
TI The effect of strain and strain symmetry on the charge-order transition
in Bi0.4Ca0.6MnO3 films
SO PHASE TRANSITIONS
LA English
DT Article
DE charge order; bismuth manganite; epitaxial strain; thin films
ID MAGNETIC PHASE-DIAGRAM; MANGANITE THIN-FILMS; MN K EDGE;
MAGNETORESISTIVE MANGANITES; PEROVSKITE; BI1-XCAXMNO3; DIFFRACTION;
PHYSICS; IMAGES; OXIDES
AB The transition to a charge and orbital ordered (CO/OO) state in epitaxial manganite films is strongly influenced by lattice strain. Bi1-xCaxMnO3 is a particularly interesting material due to its high transition temperature and its relation to other Bi-based materials. Here, we review its properties and show the effects of strain and strain symmetry on Bi0.4Ca0.6MnO3 films on SrTiO3 (STO) and LaAlO3 substrates with (pseudocubic) (001) and (011) orientations. Transport and magnetization data are compared to four-circle X-ray diffraction and high-resolution Z-contrast scanning transmission microscopy data. We observe the spontaneous formation of single-unit-cell thick, Bi-rich layers only on (001) STO substrates and different defect structures depending on the substrate type and orientation. This shows that the details of epitaxial strain play a role not only at phase transitions, but also during the growth of these materials. Results are compared to those published for other CO/OO manganite films.
C1 [Christen, Hans M.; Varela, Maria; Kim, Dae Ho] Oak Ridge Natl Lab, Div Mat Sci & Technol, Oak Ridge, TN 37831 USA.
RP Christen, HM (reprint author), Oak Ridge Natl Lab, Div Mat Sci & Technol, Oak Ridge, TN 37831 USA.
EM christenhm@ornl.gov
RI Kim, Dae Ho/B-4670-2012; Varela, Maria/H-2648-2012; Christen,
Hans/H-6551-2013; Varela, Maria/E-2472-2014
OI Christen, Hans/0000-0001-8187-7469; Varela, Maria/0000-0002-6582-7004
NR 50
TC 3
Z9 3
U1 0
U2 4
PU TAYLOR & FRANCIS LTD
PI ABINGDON
PA 4 PARK SQUARE, MILTON PARK, ABINGDON OX14 4RN, OXON, ENGLAND
SN 0141-1594
EI 1029-0338
J9 PHASE TRANSIT
JI Phase Transit.
PY 2008
VL 81
IS 7-8
BP 717
EP 727
DI 10.1080/01411590802048307
PG 11
WC Crystallography; Physics, Condensed Matter
SC Crystallography; Physics
GA 331QA
UT WOS:000258026200008
ER
PT J
AU Richardson, TJ
AF Richardson, Thomas J.
TI Phase transitions in non-hydride switchable mirror thin films
SO PHASE TRANSITIONS
LA English
DT Article
DE electrochromism; switchable mirrors; optoelectronics; thin films
ID CRYSTAL-STRUCTURE; KINETIC-PARAMETERS; ROOM-TEMPERATURE; DEGREES K;
LITHIUM; ALLOY; CONSTITUTION; ELECTRODES; COPPER; LI3SB
AB Switchable mirrors modulate incident light by changes in the reflectivity of thin films that are converted by chemical reactions from a metallic reflective state to a semiconducting transparent state. The reactions may be effected by exposure to a gas, by treatment with a liquid reagent, or by electrochemical means. The changes in optical properties coincide with phase transformations. In the examples reviewed here, the reactions are accompanied by substantial volume changes and atomic rearrangement. Bismuth, antimony, and antimony alloy films are switched by electrochemical lithiation. Copper films are electrochemically oxidized to Cu(I) and Cu(II) oxides, which are transparent and opaque, respectively. Morphological changes in all films during cycling lead to degradation in performance without loss of active material. Strategies to improve the cycling stability of these systems are discussed.
C1 Univ Calif Berkeley, Lawrence Berkeley Lab, Environm Energy Technol Div, Berkeley, CA 94720 USA.
RP Richardson, TJ (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, Environm Energy Technol Div, Berkeley, CA 94720 USA.
EM tjrichardson@lbl.gov
NR 23
TC 1
Z9 1
U1 1
U2 5
PU TAYLOR & FRANCIS LTD
PI ABINGDON
PA 4 PARK SQUARE, MILTON PARK, ABINGDON OX14 4RN, OXON, ENGLAND
SN 0141-1594
J9 PHASE TRANSIT
JI Phase Transit.
PY 2008
VL 81
IS 7-8
BP 807
EP 813
DI 10.1080/01411590801911406
PG 7
WC Crystallography; Physics, Condensed Matter
SC Crystallography; Physics
GA 331QA
UT WOS:000258026200013
ER
PT J
AU Kim, TH
Goldman, AI
Kelton, KF
AF Kim, T. H.
Goldman, A. I.
Kelton, K. F.
TI Structural study of supercooled liquid silicon
SO PHILOSOPHICAL MAGAZINE
LA English
DT Article
ID BOND-ORIENTATIONAL ORDER; X-RAY-DIFFRACTION; MOLECULAR-DYNAMICS;
ELECTROSTATIC LEVITATOR; AMORPHOUS-SILICON; MOLTEN SILICON;
CRYSTALLIZATION; TEMPERATURE; SIMULATIONS; GLASSES
AB For many years, theoretical studies using model and ab initio potentials have predicated the existence of a liquid/liquid phase transition in silicon, based on a continuous change of the liquid A5 structure to A4. In contrast, we report here a quantitative analysis of data from high-energy X-ray diffraction measurements of containerlessly-processed supercooled liquid silicon that demonstrates that the fractions of regions with A5 and A4 order instead remain essentially constant with supercooling, but that the coherence length of the A5 order increases.
C1 [Kim, T. H.; Kelton, K. F.] Washington Univ, Dept Phys, St Louis, MO 63130 USA.
[Goldman, A. I.] Iowa State Univ, Ames Lab, USDOE, Ames, IA 50011 USA.
[Goldman, A. I.] Iowa State Univ, Dept Phys & Astron, Ames, IA 50011 USA.
RP Kim, TH (reprint author), Washington Univ, Dept Phys, St Louis, MO 63130 USA.
EM thkim@physics.wustl.edu
NR 29
TC 7
Z9 7
U1 5
U2 15
PU TAYLOR & FRANCIS LTD
PI ABINGDON
PA 4 PARK SQUARE, MILTON PARK, ABINGDON OX14 4RN, OXON, ENGLAND
SN 1478-6435
J9 PHILOS MAG
JI Philos. Mag.
PY 2008
VL 88
IS 2
BP 171
EP 179
DI 10.1080/14786430701798944
PG 9
WC Materials Science, Multidisciplinary; Metallurgy & Metallurgical
Engineering; Physics, Applied; Physics, Condensed Matter
SC Materials Science; Metallurgy & Metallurgical Engineering; Physics
GA 257VI
UT WOS:000252826400003
ER
PT J
AU Zhang, ZH
Yang, N
Zhou, YZ
Lavernia, EJ
AF Zhang, Zhihui
Yang, Nancy
Zhou, Yizhang
Lavernia, Enrique J.
TI Nanocrystal formation in gas-atomized amorphous Al(85)Ni(10)La(5) alloy
SO PHILOSOPHICAL MAGAZINE
LA English
DT Article
DE amorphous alloys; crystallization; eutectic; Al-Ni-La alloy
ID FCC-AL PARTICLES; METALLIC GLASSES; CRYSTALLIZATION BEHAVIOR;
MECHANICAL-PROPERTIES; AL85NI10Y2.5LA2.5 ALLOY; PHASE-SEPARATION; NI;
ALUMINUM; DEVITRIFICATION; MICROSTRUCTURE
AB An Al(85)Ni(10)La(5) amorphous alloy, produced via gas atomization, was selected to study the mechanisms of nanocrystallization induced by thermal exposure. High resolution transmission electron microscopy results indicated the presence of quenched-in Al nuclei in the amorphous matrix of the atomized powder. However, a eutectic-like reaction, which involved the formation of the Al, Al(11)La(3), and Al(3)Ni phases, was recorded in the first crystallization event (263 degrees C) during differential scanning calorimetry continuous heating. Isothermal annealing experiments conducted below 263 degrees C revealed that the formation of single fcc-Al phase occurred at 235 degrees C. At higher temperatures, growth of the Al crystals occurred with formation of intermetallic phases, leading to a eutectic-like transformation behaviour at 263 degrees C. During the first crystallization stage, nanocrystals were developed in the size range of 5 30 nm. During the second crystallization event (283 degrees C), a bimodal size distribution of nanocrystals was formed with the smaller size in the range of around 10 30 nm and the larger size around 100 nm. The influence of pre-existing quenched-in Al nuclei on the microstructural evolution in the amorphous Al(85)Ni(10)La(5) alloy is discussed and the effect of the microstructural evolution on the hardening behaviour is described in detail.
C1 [Zhang, Zhihui; Zhou, Yizhang; Lavernia, Enrique J.] Univ Calif Davis, Dept Chem Engn & Mat Sci, Davis, CA 95616 USA.
[Yang, Nancy] Sandia Natl Labs, Livermore, CA 94550 USA.
RP Zhang, ZH (reprint author), Univ Calif Davis, Dept Chem Engn & Mat Sci, Davis, CA 95616 USA.
EM zhizhang@ucdavis.edu
RI Lavernia, Enrique/I-6472-2013
OI Lavernia, Enrique/0000-0003-2124-8964
NR 42
TC 2
Z9 2
U1 1
U2 3
PU TAYLOR & FRANCIS LTD
PI ABINGDON
PA 4 PARK SQUARE, MILTON PARK, ABINGDON OX14 4RN, OXON, ENGLAND
SN 1478-6435
J9 PHILOS MAG
JI Philos. Mag.
PY 2008
VL 88
IS 5
BP 737
EP 753
DI 10.1080/14786430801955246
PG 17
WC Materials Science, Multidisciplinary; Metallurgy & Metallurgical
Engineering; Physics, Applied; Physics, Condensed Matter
SC Materials Science; Metallurgy & Metallurgical Engineering; Physics
GA 292UQ
UT WOS:000255292000007
ER
PT J
AU Chapline, G
AF Chapline, G.
TI Superfluid transition in a chiron gas
SO PHILOSOPHICAL MAGAZINE
LA English
DT Article
ID T-C; SUPERCONDUCTORS; VORTICES; MODEL
AB Low temperature measurements of the magnetic susceptibility of LaCuO(4) doped with Sr (LSCO) suggest that superconducting transition is associated with the disappearance of the vortex liquid. This note draws attention to the possibility that these vortices can be identified with the soliton-like charge carriers introduced in a previous theory of spin-orbit localization in layered poor conductors. In two-dimensions, these solitons are vortex-like, while in three-dimensional systems they are monopole-like. In either case, there is a natural mechanism for the pairing of spin-up and spin-down solitons. At low temperatures, there is a also cross-over transition which is a function of carrier density between a state where the solitons can move independently and a condensate state where the spin-up and spin-down solitons in neighbouring layers are paired.
C1 Lawrence Livermore Natl Lab, Livermore, CA 94551 USA.
RP Chapline, G (reprint author), Lawrence Livermore Natl Lab, Livermore, CA 94551 USA.
EM chapline1@llnl.gov
NR 18
TC 1
Z9 1
U1 0
U2 0
PU TAYLOR & FRANCIS LTD
PI ABINGDON
PA 4 PARK SQUARE, MILTON PARK, ABINGDON OX14 4RN, OXON, ENGLAND
SN 1478-6435
J9 PHILOS MAG
JI Philos. Mag.
PY 2008
VL 88
IS 8
BP 1227
EP 1233
DI 10.1080/14786430802097600
PG 7
WC Materials Science, Multidisciplinary; Metallurgy & Metallurgical
Engineering; Physics, Applied; Physics, Condensed Matter
SC Materials Science; Metallurgy & Metallurgical Engineering; Physics
GA 317PC
UT WOS:000257031100006
ER
PT J
AU Wang, ZQ
Beyerlein, IJ
Lesar, R
AF Wang, Z. Q.
Beyerlein, I. J.
LeSar, R.
TI Slip band formation and mobile dislocation density generation in high
rate deformation of single fcc crystals
SO PHILOSOPHICAL MAGAZINE
LA English
DT Article
DE slip bands; high strain rate; inertial effects; cross-slip; microbands;
dislocation dynamics
ID HIGH-STRAIN RATES; CROSS-SLIP; PLASTIC-DEFORMATION; ELASTIC FIELD;
COPPER; METALS; SHOCK; MULTIPLICATION; THERMODYNAMICS; DYNAMICS
AB The mechanisms for the nucleation, thickening, and growth of crystallographic slip bands from the sub-nanoscale to the microscale are studied using three-dimensional dislocation dynamics. In the simulations, a single fcc crystal is strained along the [111] direction at three different high strain rates: 10(4), 10(5), and 10(6) s(-1). Dislocation inertia and drag are included and the simulations were conducted with and without cross-slip. With cross-slip, slip bands form parallel to active (111) planes as a result of double cross-slip onto fresh glide planes within localized regions of the crystal. In this manner, fine nanoscale slip bands nucleate throughout the crystal, and, with further straining, build up to larger bands by a proposed self-replicating mechanism. It is shown that slip bands are regions of concentrated glide, high dislocation multiplication rates, and high dislocation velocities. Cross-slip increases in activity proportionally with the product of the total dislocation density and the square root of the applied stress. Effects of cross-slip on work hardening are attributed to the role of cross-slip on mobile dislocation generation, rather than slip band formation. A new dislocation density evolution law is presented for high rates, which introduces the mobile density, a state variable that is missing in most constitutive laws.
C1 [Wang, Z. Q.; Beyerlein, I. J.] Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA.
[LeSar, R.] Iowa State Univ, Dept Mat Sci & Engn, Ames, IA 50011 USA.
RP Beyerlein, IJ (reprint author), Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA.
EM irene@lanl.gov
RI LeSar, Richard/G-1609-2012; Beyerlein, Irene/A-4676-2011
NR 50
TC 18
Z9 18
U1 3
U2 21
PU TAYLOR & FRANCIS LTD
PI ABINGDON
PA 4 PARK SQUARE, MILTON PARK, ABINGDON OX14 4RN, OXON, ENGLAND
SN 1478-6435
J9 PHILOS MAG
JI Philos. Mag.
PY 2008
VL 88
IS 9
BP 1321
EP 1343
DI 10.1080/14786430802129833
PG 23
WC Materials Science, Multidisciplinary; Metallurgy & Metallurgical
Engineering; Physics, Applied; Physics, Condensed Matter
SC Materials Science; Metallurgy & Metallurgical Engineering; Physics
GA 320YP
UT WOS:000257271400004
ER
PT J
AU Mendelev, MI
Kramer, MJ
Becker, CA
Asta, M
AF Mendelev, M. I.
Kramer, M. J.
Becker, C. A.
Asta, M.
TI Analysis of semi-empirical interatomic potentials appropriate for
simulation of crystalline and liquid Al and Cu
SO PHILOSOPHICAL MAGAZINE
LA English
DT Article
DE ab initio; diffraction methods; diffusion; interatomic potential; liquid
metals; molecular dynamic simulations; solidification
ID INTERFACIAL FREE-ENERGY; EMBEDDED-ATOM-METHOD; X-RAY-DIFFRACTION;
MOLECULAR-DYNAMICS; TRANSITION-METALS; SOLIDIFICATION; NUCLEATION;
ALUMINUM; SYSTEM; SEGREGATION
AB We investigate the application of embedded atom method (EAM) interatomic potentials in the study of crystallization kinetics from deeply undercooled melts, focusing on the fcc metals Al and Cu. For this application, it is important that the EAM potential accurately reproduces melting properties and liquid structure, in addition to the crystalline properties most commonly fit in its development. To test the accuracy of previously published EAM potentials and to guide the development of new potential in this work, first-principles calculations have been performed and new experimental measurements of the Al and Cu liquid structure factors have been undertaken by X-ray diffraction. We demonstrate that the previously published EAM potentials predict a liquid structure that is too strongly ordered relative to measured diffraction data. We develop new EAM potentials for Al and Cu to improve the agreement with the first-principles and measured liquid diffraction data. Furthermore, we calculate liquid-phase diffusivities and find that this quantity correlates well with the liquid structure. Finally, we perform molecular dynamics simulations of crystal nucleation from the melt during quenching at constant cooling rate. We find that EAM potentials, which predict the same zero-temperature crystal properties but different liquid structures, can lead to quite different crystallization kinetics. More interestingly, we find that two potentials predicting very similar equilibrium solid and liquid properties can still produce very different crystallization kinetics under far-from-equilibrium conditions characteristic of the rapid quenching simulations employed here.
C1 [Mendelev, M. I.; Kramer, M. J.] Ames Lab, Ames, IA 50011 USA.
[Becker, C. A.] Natl Inst Stand & Technol, Div Met, Gaithersburg, MD 20899 USA.
[Asta, M.] Univ Calif Davis, Dept Chem Engn & Mat Sci, Davis, CA 95616 USA.
RP Mendelev, MI (reprint author), Ames Lab, Ames, IA 50011 USA.
EM mendelev@ameslab.gov
FU Department of Energy, Office of Basic Energy Sciences
[DE-AC02-07CH11358, DE-FG02-06ER46282]; US Department of Energy, Office
of Science, Basic Energy Sciences [DE-AC02-06CH11357]
FX The authors thank J. R. Morris and G. J. Ackland for helpful
discussions. Work at the Ames Laboratory was supported by the Department
of Energy, Office of Basic Energy Sciences, under Contract No.
DE-AC02-07CH11358. The high-energy X-ray work at the MUCAT sector of the
APS was supported by the US Department of Energy, Office of Science,
Basic Energy Sciences under Contract No. DE-AC02-06CH11357. MA and CB
acknowledge funding from the Department of Energy, Office of Basic
Energy Sciences, under Contract No. DE-FG02-06ER46282. A portion of this
work was completed by CB and MA while at Northwestern University. This
work benefited from collaborations fostered through support by the DOE
Computational Materials Science Network program. Certain commercial
equipment, instruments or materials are identified in this paper to
specify the experimental procedure adequately. Such identification is
not intended to imply recommendation or endorsement by the National
Institute of Standards and Technology, nor is it intended to imply that
the materials or equipment are necessarily the best available for the
purpose.
NR 68
TC 106
Z9 106
U1 7
U2 55
PU TAYLOR & FRANCIS LTD
PI ABINGDON
PA 4 PARK SQUARE, MILTON PARK, ABINGDON OX14 4RN, OXON, ENGLAND
SN 1478-6435
J9 PHILOS MAG
JI Philos. Mag.
PY 2008
VL 88
IS 12
BP 1723
EP 1750
DI 10.1080/14786430802206482
PG 28
WC Materials Science, Multidisciplinary; Metallurgy & Metallurgical
Engineering; Physics, Applied; Physics, Condensed Matter
SC Materials Science; Metallurgy & Metallurgical Engineering; Physics
GA 344MP
UT WOS:000258932000001
ER
PT J
AU Pussi, K
Reid, DE
Ferralis, N
McGrath, R
Lograsso, TA
Ross, AR
Diehl, RD
AF Pussi, K.
Reid, D. E.
Ferralis, N.
McGrath, R.
Lograsso, T. A.
Ross, A. R.
Diehl, R. D.
TI Low-energy electron diffraction (LEED) study of an aperiodic thin film
of Cu on 5-fold i-Al-Pd-Mn
SO PHILOSOPHICAL MAGAZINE
LA English
DT Article
DE adsorption; copper; quasicrystals; thin films
ID SURFACE; GROWTH
AB Thin films of copper grown on five-fold i-AlPdMn at room temperature consist of domains that are rotationally aligned with the five primary symmetry directions of the substrate and which have one-dimensional aperiodic order. This aperiodic order is evident in scanning tunnelling microscopy images as wide and narrow rows that are spaced according to a Fibonacci sequence. A low-energy electron diffraction (LEED) study of this film indicates that the structure within the domains is periodic along the rows, with a repeat distance equal to the nearest-neighbour separation in bulk Cu. To determine the complete structure, a dynamical LEED experiment was performed for a five-layer Cu film at a sample temperature of 85 K. The analysis was performed using two different computational methods, one based on quasicrystalline slabs and the other on periodic approximants. Of the model structures tested, the film is found to be most consistent with a structure based on the Cu{100} surface structure, but having aperiodic displacements, both in-plane and out-of-plane, along a < 110 > direction.
C1 [Pussi, K.] Lappeenranta Univ Technol, Dept Elect Engn, FIN-53851 Lappeenranta, Finland.
[Reid, D. E.; McGrath, R.] Univ Liverpool, Surface Sci Res Ctr, Liverpool L69 3BX, Merseyside, England.
[Reid, D. E.; McGrath, R.] Univ Liverpool, Dept Phys, Liverpool L69 3BX, Merseyside, England.
[Ferralis, N.; Diehl, R. D.] Penn State Univ, Dept Phys, University Pk, PA 16802 USA.
[Lograsso, T. A.; Ross, A. R.] Iowa State Univ, Ames Lab, Ames, IA 50011 USA.
RP Pussi, K (reprint author), Lappeenranta Univ Technol, Dept Elect Engn, POB 20, FIN-53851 Lappeenranta, Finland.
EM katariina.pussi@lut.fi
RI McGrath, Ronan/A-1568-2009
OI McGrath, Ronan/0000-0002-9880-5741
FU The Academy of Finland [204726]; NSF [DMR0505160]
FX We gratefully acknowledge many useful and interesting discussions with
Julian Ledieu, Joe Smerdon and Martin Gierer. This research was
supported by The Academy of Finland (Project No. 204726) and NSF (Grant
No. DMR0505160).
NR 13
TC 4
Z9 4
U1 0
U2 2
PU TAYLOR & FRANCIS LTD
PI ABINGDON
PA 4 PARK SQUARE, MILTON PARK, ABINGDON OX14 4RN, OXON, ENGLAND
SN 1478-6435
J9 PHILOS MAG
JI Philos. Mag.
PY 2008
VL 88
IS 13-15
BP 2103
EP 2110
DI 10.1080/14786430701832412
PG 8
WC Materials Science, Multidisciplinary; Metallurgy & Metallurgical
Engineering; Physics, Applied; Physics, Condensed Matter
SC Materials Science; Metallurgy & Metallurgical Engineering; Physics
GA 361JK
UT WOS:000260123700026
ER
PT J
AU Thiel, PA
AF Thiel, P. A.
TI Discussion on the surface science of quasicrystals
SO PHILOSOPHICAL MAGAZINE
LA English
DT Article
DE quasicrystals; intermetallics; aluminades; surfaces; interfaces
ID AL-PD-MN; COMPLEX METALLIC ALLOYS; EPITAXIAL FILM GROWTH; ADHESION
PROPERTIES; FRICTION; DEPOSITION; VACUUM; CO; ADSORPTION; ANISOTROPY
AB This paper contains a short review of four aspects of the surface science of quasicrystals, together with a list of challenges for the scientific community in the near future. The first issue concerns the ability of surface science to shed light on bulk atomic structure. The second is the use of surfaces as quasiperiodic templates, particularly for films of periodic metals. Here, enforcing quasiperiodicity in the film may lead to unusual magnetic, tribological or adsorption properties. The third aspect concerns the effects of surface phasons and phonons on dynamical interactions with adsorbates, such as sticking coefficient, as well as on diffusion between the surface and near-surface region. The final area is tribology, where studies of quasicrystals have suggested that both adhesion and phononic friction may be important.
C1 [Thiel, P. A.] Iowa State Univ, Ames Lab, Ames, IA 50011 USA.
[Thiel, P. A.] Iowa State Univ, Dept Chem, Ames, IA 50011 USA.
RP Thiel, PA (reprint author), Iowa State Univ, Ames Lab, Ames, IA 50011 USA.
EM thiel@ameslab.gov
FU Office of Science; Basic Energy Sciences; Materials Science Division of
the US Department of Energy (USDOE); Iowa State University of Science
and Technology [DE-AC02-07CH11358]
FX The participation of, and contributions by, Julian Ledieu, Ronan McGrath
and Vincent Fournee on the discussion panel at the conference
'Quasicrystals - The Silver Jubilee' is gratefully acknowledged.
Preparation of this manuscript was supported by the Office of Science,
Basic Energy Sciences, Materials Science Division of the US Department
of Energy (USDOE). This manuscript has been authored by Iowa State
University of Science and Technology under Contract No.
DE-AC02-07CH11358 with the US Department of Energy.
NR 60
TC 3
Z9 3
U1 0
U2 4
PU TAYLOR & FRANCIS LTD
PI ABINGDON
PA 4 PARK SQUARE, MILTON PARK, ABINGDON OX14 4RN, OXON, ENGLAND
SN 1478-6435
EI 1478-6443
J9 PHILOS MAG
JI Philos. Mag.
PY 2008
VL 88
IS 13-15
BP 2123
EP 2129
DI 10.1080/14786430802186973
PG 7
WC Materials Science, Multidisciplinary; Metallurgy & Metallurgical
Engineering; Physics, Applied; Physics, Condensed Matter
SC Materials Science; Metallurgy & Metallurgical Engineering; Physics
GA 361JK
UT WOS:000260123700029
ER
PT J
AU de Laissardiere, GT
Julien, JP
Mayou, D
AF de Laissardiere, G. Trambly
Julien, J. -P.
Mayou, D.
TI Electronic transport in AlMn(Si) and AlCuFe quasicrystals: Breakdown of
the semiclassical model
SO PHILOSOPHICAL MAGAZINE
LA English
DT Article
DE ab initio; quasicrystalline alloys; transport properties
ID HUME-ROTHERY ALLOYS; AL-CU-FE; OPTICAL CONDUCTIVITY; ICOSAHEDRAL PHASE;
WIGNER CRYSTAL; TRANSITION; APPROXIMANT; CLUSTERS; ALPDRE; DISTRIBUTIONS
AB The semiclassical Bloch-Boltzmann theory is at the heart of our understanding of conduction in solids, ranging from metals to semiconductors. Physical systems that are beyond the range of applicability of this theory are thus of fundamental interest. It appears that in quasicrystals and related complex metallic alloys, a new type of breakdown of this theory operates. This phenomenon is related to the specific propagation of electrons. We develop a theory of quantum transport that applies to a normal ballistic law, and also to these specific diffusion laws. As we show, phenomenological models based on this theory describe correctly the anomalous conductivity in quasicrystals. Ab initio calculations performed on approximants also confirm the validity of this anomalous quantum diffusion scheme. This provides us with an ab initio model of transport in approximants such as alpha-AlMnSi and AlCuFe 1/1 cubic approximant.
C1 [de Laissardiere, G. Trambly] Univ Cergy Pontoise, CNRS, Lab Phys Theor & Modelisat, F-95302 Cergy Pontoise, France.
[Julien, J. -P.] Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA.
[Julien, J. -P.] Los Alamos Natl Lab, CNLS, Los Alamos, NM 87545 USA.
[Mayou, D.] CNRS, Inst Neel, F-38042 Grenoble 9, France.
[Mayou, D.] Univ Grenoble 1, F-38042 Grenoble 9, France.
RP de Laissardiere, GT (reprint author), Univ Cergy Pontoise, CNRS, Lab Phys Theor & Modelisat, 2 Av A Chauvin, F-95302 Cergy Pontoise, France.
EM guy.trambly@u-cergy.fr
RI Trambly de Laissardiere, Guy/R-8090-2016
OI Trambly de Laissardiere, Guy/0000-0001-9065-7337
FU DGA [07.60.028.00.470.75.01]
FX The work presented in this paper has been ongoing since the 1990s. Our
work owes much to discussions with T. Fujiwara, J. Bellissard, J.
Friedel, and N.W. Ashcroft. We are very grateful to many colleagues with
whom we had collaborations during this time: C. Berger, F.
Cyrot-Lackmann, J. Delahaye, T. Grenet, F. Hippert, T. Klein, L. Magaud,
J. J. Prejean, P. Quemerais, S. Roche, and F. Triozon. The computations
were performed at the Service Informatique Recherche (SIR), Universite
de Cergy-Pontoise. Part of the numerical results were obtained by using
the Condor Project (http://www.condorproject.org/). GTL thanks Y.
Costes, SIR, for computing assistance. JPJ thanks the LANL group for
their warm hospitality and DGA under contract 07.60.028.00.470.75.01.
NR 88
TC 7
Z9 7
U1 0
U2 5
PU TAYLOR & FRANCIS LTD
PI ABINGDON
PA 4 PARK SQUARE, MILTON PARK, ABINGDON OX14 4RN, OXON, ENGLAND
SN 1478-6435
EI 1478-6443
J9 PHILOS MAG
JI Philos. Mag.
PY 2008
VL 88
IS 13-15
BP 2131
EP 2144
DI 10.1080/14786430801894544
PG 14
WC Materials Science, Multidisciplinary; Metallurgy & Metallurgical
Engineering; Physics, Applied; Physics, Condensed Matter
SC Materials Science; Metallurgy & Metallurgical Engineering; Physics
GA 361JK
UT WOS:000260123700030
ER
PT J
AU Mihalkovic, M
Francoual, S
Shibata, K
De Boissieu, M
Baron, AQR
Sidis, Y
Ishimasa, T
Wu, D
Lograsso, T
Regnault, LP
Gahler, F
Tsutsui, S
Hennion, B
Bastie, P
Sato, TJ
Takakura, H
Currat, R
Tsai, AP
AF Mihalkovic, M.
Francoual, S.
Shibata, K.
De Boissieu, M.
Baron, A. Q. R.
Sidis, Y.
Ishimasa, T.
Wu, D.
Lograsso, T.
Regnault, L. -P.
Gaehler, F.
Tsutsui, S.
Hennion, B.
Bastie, P.
Sato, T. J.
Takakura, H.
Currat, R.
Tsai, A. -P.
TI Atomic dynamics of i-ScZnMg and its 1/1 approximant phase: Experiment
and simulation
SO PHILOSOPHICAL MAGAZINE
LA English
DT Article
DE quasicrystals; phonons
ID ICOSAHEDRAL QUASI-CRYSTAL; RATIONAL APPROXIMANTS; LATTICE-DYNAMICS; YB;
CLUSTERS; ALLOYS; SYSTEM
AB Quasicrystals are long-range ordered materials that lack translational invariance so that the study of their physical properties remains a challenging problem. In order to study the respective influence of the local order and of the long-range order (periodic or quasiperiodic) on lattice dynamics, we have carried out inelastic X-ray and neutron scattering experiments on single grain samples of the Zn-Mg-Sc icosahedral quasicrystal and of the Zn-Sc periodic cubic 1/1 approximant. Besides the overall similarities and the existence of a pseudo-gap in the transverse dispersion relation, marked differences are observed, the pseudo-gap being larger and better defined in the approximant than in the quasicrystal. This can be qualitatively explained using the concept of pseudo-Brillouin zone in the quasicrystal. These results are compared to simulations on atomic models and using oscillating pair potentials, which have been fitted against ab-initio data. The simulated response function reproduces both the dispersion relation but also the observed intensity distribution in the measured spectra. The partial vibrational density of states, projected on the cluster shells, is computed from this model.
C1 [Francoual, S.; De Boissieu, M.; Bastie, P.; Currat, R.] UJF, CNRS, INP Grenoble, F-38402 St Martin Dheres, France.
[Mihalkovic, M.] Slovak Acad Sci, Inst Phys, Bratislava 84511, Slovakia.
[Francoual, S.] Inst Max Von Laue Paul Langevin, F-38042 Grenoble 9, France.
[Shibata, K.] Japan Atom Energy Agcy, J PARC Ctr, Naka, Ibaraki 3191195, Japan.
[Baron, A. Q. R.] RIKEN, SPring 8, Sayo, Hyogo 6795143, Japan.
[Baron, A. Q. R.; Tsutsui, S.] JASRI, SPring 8, Sayo, Hyogo 6795198, Japan.
[Sidis, Y.; Hennion, B.] CEA Saclay, Lab Leon Brillouin, F-91191 Gif Sur Yvette, France.
[Ishimasa, T.; Takakura, H.] Hokkaido Univ, Grad Sch Engn, Div Appl Phys, Sapporo, Hokkaido 0608628, Japan.
[Wu, D.; Lograsso, T.] Iowa State Univ, Ames Lab, Ames, IA 50011 USA.
[Regnault, L. -P.] MDN, SPSMS, DRFMC, CEA Grenoble, F-38054 Grenoble 9, France.
[Gaehler, F.] Univ Stuttgart, Inst Theoret & Angew Phys, D-70550 Stuttgart, Germany.
[Bastie, P.] Univ Grenoble 1, Spectrometrie Phys Lab, F-38402 St Martin Dheres, France.
[Sato, T. J.] Univ Tokyo, Inst Solid State Phys, Neutron Sci Lab, Tokai, Ibaraki 3191106, Japan.
[Tsai, A. -P.] Tohoku Univ, Inst Multidisciplinary Res Adv Mat, Sendai, Miyagi 9808577, Japan.
[Tsai, A. -P.] Natl Inst Mat Sci, Tsukuba, Ibaraki 3050044, Japan.
RP De Boissieu, M (reprint author), UJF, CNRS, INP Grenoble, BP 75, F-38402 St Martin Dheres, France.
EM marc.de-boissieu@ltpcm.inpg.fr
RI Takakura, Hiroyuki/D-6146-2012; Ishimasa, Tsutomu/F-4509-2010; Sato,
Taku/I-7664-2015
OI Sato, Taku/0000-0003-2511-4998
FU CNRS; Complex Metallic Alloys European network [NMP3-CT-2005-500140];
[VEGA2-5096/27]; [APVV-0413-06]
FX We acknowledge the LLB, ILL and Spring-8 facilities for the allocation
of beam time. MM acknowledges support from the CNRS while staying at the
SIMaP, and from grants VEGA2-5096/27 and APVV-0413-06. Part of this work
has been supported by the Complex Metallic Alloys European network, No.
NMP3-CT-2005-500140.
NR 31
TC 6
Z9 6
U1 0
U2 11
PU TAYLOR & FRANCIS LTD
PI ABINGDON
PA 4 PARK SQUARE, MILTON PARK, ABINGDON OX14 4RN, OXON, ENGLAND
SN 1478-6435
J9 PHILOS MAG
JI Philos. Mag.
PY 2008
VL 88
IS 13-15
BP 2311
EP 2318
DI 10.1080/14786430802077909
PG 8
WC Materials Science, Multidisciplinary; Metallurgy & Metallurgical
Engineering; Physics, Applied; Physics, Condensed Matter
SC Materials Science; Metallurgy & Metallurgical Engineering; Physics
GA 361JK
UT WOS:000260123700048
ER
PT J
AU Yu-Zhang, K
Embury, JD
Han, K
Misra, A
AF Yu-Zhang, K.
Embury, J. D.
Han, K.
Misra, A.
TI Transmission electron microscopy investigation of the atomic structure
of interfaces in nanoscale Cu-Nb multilayers
SO PHILOSOPHICAL MAGAZINE
LA English
DT Article
DE multilayer; CulNb; deformation; nanostructure; lattice distortion;
orientation relationship
ID NANOLAYERED COMPOSITES; METALLIC MULTILAYERS; DEFORMATION;
MICROSTRUCTURE; STABILITY; STRENGTH
AB Multilayers of Cu-Nb have been grown on a Nb seed layer on a Si (100) substrate using a magnetron sputtering technique. The bilayer period (Lambda) was varied from 10 to 2.4 nm. Cross-sectional transmission electron microscopy (XTEM) and high-resolution TEM (HRTEM) were used to study the detailed structure as a function of the bilayer period. Although the majority of the structures conformed to a Kurdjumov-Sachs (K-S) orientation relationship between the Cu and Nb layers, the structures exhibit considerable spatial variation. In some local regions, a Nishiyama-Wasserman (N-W) orientation relationship was found. In addition, considerable distortions were observed in both the Cu and Nb regions close to the interface. Using both HRTEM imaging and fast Fourier transform (FFT) of HRTEM images, early stage of the fcc to bcc transition in Cu was detected. The results suggest that, in multilayer structures, the detailed structure of the interface and large local distortions may play an important role in interface-controlled plasticity.
C1 [Yu-Zhang, K.] Univ Reims, Dept Phys, Lab Microscopies & Etud Nanostruct, F-51687 Reims 02, France.
[Embury, J. D.] McMaster Univ, Dept Mat Sci & Engn, Hamilton, ON L8S 4L7, Canada.
[Han, K.] Florida State Univ, Natl High Magnet Field Lab, Tallahassee, FL 32310 USA.
[Misra, A.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
RP Embury, JD (reprint author), Univ Reims, Dept Phys, Lab Microscopies & Etud Nanostruct, BP 1039, F-51687 Reims 02, France.
EM emburyd@mcmaster.ca
RI Misra, Amit/H-1087-2012
FU DOE, Office of Science and Office of Basic Energy Sciences
FX This research was supported by the DOE, Office of Science and Office of
Basic Energy Sciences. The authors thank R. G. Hoagland (Los Alamos) and
A. Rollett (CMU) for valuable discussions.
NR 26
TC 21
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U1 0
U2 19
PU TAYLOR & FRANCIS LTD
PI ABINGDON
PA 4 PARK SQUARE, MILTON PARK, ABINGDON OX14 4RN, OXON, ENGLAND
SN 1478-6435
J9 PHILOS MAG
JI Philos. Mag.
PY 2008
VL 88
IS 17
BP 2559
EP 2567
DI 10.1080/14786430802380485
PG 9
WC Materials Science, Multidisciplinary; Metallurgy & Metallurgical
Engineering; Physics, Applied; Physics, Condensed Matter
SC Materials Science; Metallurgy & Metallurgical Engineering; Physics
GA 376GP
UT WOS:000261172400003
ER
PT J
AU von Bergmann, K
Bode, M
Kubetzka, A
Pietzsch, O
Vedmedenko, EY
Wiesendanger, R
AF von Bergmann, K.
Bode, M.
Kubetzka, A.
Pietzsch, O.
Vedmedenko, E. Y.
Wiesendanger, R.
TI Complex magnetic order on the atomic scale revealed by spin-polarized
scanning tunnelling microscopy
SO PHILOSOPHICAL MAGAZINE
LA English
DT Article
DE spin-polarized scanning tunnelling microscopy (SP-STM); vacuum
tunnelling
ID FE
AB A fundamental understanding of magnetic phenomena requires the determination of spin structures down to the atomic scale. The direct visualization of atomic-scale spin structures has been accomplished by combining the atomic resolution capability of Scanning Tunnelling Microscopy (STM) with spin sensitivity, based on vacuum tunnelling of spin-polarized electrons. The resulting technique, Spin-Polarized Scanning Tunnelling Microscopy (SP-STM), nowadays provides unprecedented insight into collinear and non-collinear spin structures at surfaces of magnetic nanostructures and has already led to the discovery of new types of magnetic order at the nanometre scale. Several examples of complex magnetic order as revealed by atomic-resolution SP-STM will be reviewed.
C1 [von Bergmann, K.; Kubetzka, A.; Pietzsch, O.; Vedmedenko, E. Y.; Wiesendanger, R.] Univ Hamburg, Inst Appl Phys, D-20355 Hamburg, Germany.
[Bode, M.] Argonne Natl Lab, Ctr Nanoscale Mat, Argonne, IL 60439 USA.
RP Wiesendanger, R (reprint author), Univ Hamburg, Inst Appl Phys, Jungiusstr 11, D-20355 Hamburg, Germany.
EM rwiesend@physnet.uni-hamburg.de
RI Wiesendanger, Roland/P-9726-2016; Bode, Matthias/S-3249-2016; von
Bergmann, Kirsten/S-5696-2016
OI Wiesendanger, Roland/0000-0002-0472-4183; Bode,
Matthias/0000-0001-7514-5560; von Bergmann, Kirsten/0000-0002-4514-3254
FU Deutsche Forschungsgemeinschaft (SFB 668); Stifterverband fur die
Deutsche Wissenschaft; Interdisciplinary Nanoscience Center Hamburg
(INCH)
FX We would like to thank M. Heide, G. Bihlmayer, S. Blugel, P. Ferriani,
S. Heinze, L. Udvardi, and P. Weinberger for their contributions to the
theoretical understanding of our experimental SP-STM data.; Financial
support of the Deutsche Forschungsgemeinschaft (SFB 668), the
Stifterverband fur die Deutsche Wissenschaft and the Interdisciplinary
Nanoscience Center Hamburg (INCH) is gratefully acknowledged.
NR 19
TC 6
Z9 6
U1 1
U2 14
PU TAYLOR & FRANCIS LTD
PI ABINGDON
PA 4 PARK SQUARE, MILTON PARK, ABINGDON OX14 4RN, OXON, ENGLAND
SN 1478-6435
J9 PHILOS MAG
JI Philos. Mag.
PY 2008
VL 88
IS 18-20
BP 2627
EP 2642
AR PII 901895757
DI 10.1080/14786430802337097
PG 16
WC Materials Science, Multidisciplinary; Metallurgy & Metallurgical
Engineering; Physics, Applied; Physics, Condensed Matter
SC Materials Science; Metallurgy & Metallurgical Engineering; Physics
GA 376GQ
UT WOS:000261172500005
ER
PT J
AU Smith, JL
Lashley, JC
Volz, HM
Fisher, RA
Riseborough, PS
AF Smith, J. L.
Lashley, J. C.
Volz, H. M.
Fisher, R. A.
Riseborough, P. S.
TI Thermodynamics and superconductivity of the Th7(Fe, Ru, Os, Co, Rh, Ir)3
system
SO PHILOSOPHICAL MAGAZINE
LA English
DT Article
DE thorium; superconductivity; Th7Fe3; pressure
ID HEAT; FE; TH
AB Expanding the temperature range of previous specific-heat measurements on the Th7(Fe, Ru, Os, Co, Rh, Ir)3 system, we measure the effect of transition-metal substitution on total entropy ([image omitted]), electronic specific heat (), and Debye temperature (D). In addition we measure the pressure dependence, up to 10 kbar, of the superconducting transition.
C1 [Smith, J. L.; Lashley, J. C.; Volz, H. M.; Fisher, R. A.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
[Riseborough, P. S.] Temple Univ, Dept Phys, Philadelphia, PA 19122 USA.
RP Smith, JL (reprint author), Los Alamos Natl Lab, POB 1663, Los Alamos, NM 87545 USA.
EM jlsmith@lanl.gov
FU United States Department of Energy
FX This work was performed under the auspices of the United States
Department of Energy.
NR 13
TC 4
Z9 4
U1 0
U2 9
PU TAYLOR & FRANCIS LTD
PI ABINGDON
PA 4 PARK SQUARE, MILTON PARK, ABINGDON OX14 4RN, OXON, ENGLAND
SN 1478-6435
J9 PHILOS MAG
JI Philos. Mag.
PY 2008
VL 88
IS 18-20
BP 2847
EP 2850
AR PII 902471663
DI 10.1080/14786430802389197
PG 4
WC Materials Science, Multidisciplinary; Metallurgy & Metallurgical
Engineering; Physics, Applied; Physics, Condensed Matter
SC Materials Science; Metallurgy & Metallurgical Engineering; Physics
GA 376GQ
UT WOS:000261172500025
ER
PT J
AU Yao, Z
Hernandez-Mayoral, M
Jenkins, ML
Kirk, MA
AF Yao, Z.
Hernandez-Mayoral, M.
Jenkins, M. L.
Kirk, M. A.
TI Heavy-ion irradiations of Fe and Fe-Cr model alloys Part 1: Damage
evolution in thin-foils at lower doses
SO PHILOSOPHICAL MAGAZINE
LA English
DT Article
DE radiation damage; FeCr alloys; in situ TEM
AB The evolution of radiation damage in Fe and Fe-Cr alloys under heavy-ion irradiation was investigated using transmission electron microscopy. Thin foils were irradiated with 100 or 150 keV Fe+ and Xe+ ions at room temperature (RT) and 300 degrees C. Dynamic observations followed the evolution of damage and the early stages in damage development are reported. Small (2-5 nm) dislocation loops first appeared at doses between 10(16) and 10(17) ions m(-2) in all materials. Loop number densities depended strongly on the foil orientation in pure Fe but not in Fe-Cr alloys. Number densities did not depend strongly on Cr content. For a given material, defect yields were higher for Xe+ ions than for Fe+ ions, and were higher at RT than at 300 degrees C. Loops with both < 100 > and 1/2 < 111 > Burgers vectors were identified. The proportion of < 100 > loops was larger, especially in pure Fe. Dynamic observations showed that: the contrast of some new loops developed over intervals as long as 0.2 s; hopping of 1/2 < 111 > loops was induced by the ion and electron beams and was pronounced in ultra-pure iron; and many loops were lost during and after ion irradiation by glide to the foil surface. The number of loops retained was strongly dependent on the foil orientation in Fe, but less so in Fe-Cr alloys. This is due to lower loop mobility in Fe-Cr alloys, probably due to pinning by Cr atoms. Reduced loop loss probably explains the higher loop number densities in Fe-Cr alloys compared with pure Fe.
C1 [Yao, Z.; Jenkins, M. L.] Univ Oxford, Dept Mat, Oxford OX1 3PH, England.
[Hernandez-Mayoral, M.] CIEMAT, Div Mat, E-28040 Madrid, Spain.
[Kirk, M. A.] Argonne Natl Lab, Div Mat Sci, Argonne, IL 60439 USA.
RP Jenkins, ML (reprint author), Univ Oxford, Dept Mat, Parks Rd, Oxford OX1 3PH, England.
EM mike.jenkins@materials.ox.ac.uk
RI Hernandez Mayoral, Mercedes/F-8985-2016
OI Hernandez Mayoral, Mercedes/0000-0003-4504-7577
FU US DOE Office of Science and operated [DE-AC02-06CH11357]; UKAEA, Culham
Science Centre
FX The IVEM-Tandem Facility (within the Electron Microscopy Center at ANL)
is supported by the US DOE Office of Science and operated under contract
no. DE-AC02-06CH11357 by UChicago Argonne, LLC. We thank Dr. A. Liu and
P. Baldo of Argonne National Lab for their help in using this facility.
Part of this work was funded by the UKAEA, Culham Science Centre. We
thank Prof. J. Le Coze of the Ecole de Mines de Saint Etienne for the
provision of UHP iron. We are grateful to Dr. S.L. Dudarev, Dr. C.A.
English and M. Gilbert for helpful discussions.
NR 43
TC 87
Z9 87
U1 5
U2 28
PU TAYLOR & FRANCIS LTD
PI ABINGDON
PA 4 PARK SQUARE, MILTON PARK, ABINGDON OX14 4RN, OXON, ENGLAND
SN 1478-6435
J9 PHILOS MAG
JI Philos. Mag.
PY 2008
VL 88
IS 21
BP 2851
EP 2880
DI 10.1080/14786430802380469
PG 30
WC Materials Science, Multidisciplinary; Metallurgy & Metallurgical
Engineering; Physics, Applied; Physics, Condensed Matter
SC Materials Science; Metallurgy & Metallurgical Engineering; Physics
GA 376GR
UT WOS:000261172600001
ER
PT J
AU Hernandez-Mayoral, M
Yao, Z
Jenkins, ML
Kirk, MA
AF Hernandez-Mayoral, M.
Yao, Z.
Jenkins, M. L.
Kirk, M. A.
TI Heavy-ion irradiations of Fe and Fe-Cr model alloys Part 2: Damage
evolution in thin-foils at higher doses
SO PHILOSOPHICAL MAGAZINE
LA English
DT Article
DE radiation damage; heavy-ion irradiation; FeCr alloys; in-situ TEM
ID DISPLACEMENT CASCADES; DISLOCATION LOOPS; DEFECT CLUSTERS; ALPHA-IRON;
MICROSTRUCTURE; ACCUMULATION; DEFORMATION; COPPER
AB A study of heavy-ion damage in Fe and Fe-Cr alloys started in Part 1 [1] was continued with an investigation of damage development in UHP Fe and Fe-8%Cr at higher doses up to 2 x 10(19) ions m(-2) (similar to 13 dpa). In thin-foil irradiations with 150 keV Fe(1) ions at 300 degrees C and room temperature (RT), more complex microstructures started to develop in thicker regions of the foils at doses greater than about 2 x 10(18) ions m(-2), apparently involving cooperative interaction, alignment and coalescence of smaller loops. First strings of loops all with the same 1/2 < 111 > Burgers vectors formed. In UHP Fe irradiated at 300 degrees C the damage then developed into colonies of resolvable interstitial loops with 1/2 < 111 > Burgers vectors. By a dose of 2 x 10(19) ions m(-2), large (several hundred nanometre) finger-shaped loops with large shear components had developed by the growth and subsequent coalescence of smaller loops. Similar but finer-scale damage structures developed in UHP Fe irradiated at RT and in Fe-8% Cr irradiated at both RT and 300 degrees C.
C1 [Yao, Z.; Jenkins, M. L.] Univ Oxford, Dept Mat, Oxford OX1 3PH, England.
[Hernandez-Mayoral, M.] CIEMAT, Div Mat, E-28040 Madrid, Spain.
[Kirk, M. A.] Argonne Natl Lab, Div Mat Sci, Argonne, IL 60439 USA.
RP Jenkins, ML (reprint author), Univ Oxford, Dept Mat, Parks Rd, Oxford OX1 3PH, England.
EM mike.jenkins@materials.ox.ac.uk
RI Hernandez Mayoral, Mercedes/F-8985-2016
OI Hernandez Mayoral, Mercedes/0000-0003-4504-7577
FU US DOE Office of Science and operated [DE-AC02-06CH11357]; UKAEA, Culham
Science Centre; European Commission
FX The IVEM-Tandem Facility (within the Electron Microscopy Center at ANL)
is supported by the US DOE Office of Science and operated under contract
no. DE-AC02-06CH11357 by UChicago Argonne, LLC. We thank Dr. A. Liu and
P Baldo of Argonne National Lab for their help in using this facility.
Part of this work was funded by the UKAEA, Culham Science Centre. Ex
situ experiments on UHP Fe were supported by the European Commission in
the framework of the PERFECT Project. We also thank Prof. J. Le Coze of
the Ecole de Mines de Saint Etienne for the provision of UHP iron and
Prof S. G. Roberts and Dr. S. L. Dudarev for helpful discussions.
NR 17
TC 50
Z9 50
U1 2
U2 19
PU TAYLOR & FRANCIS LTD
PI ABINGDON
PA 4 PARK SQUARE, MILTON PARK, ABINGDON OX14 4RN, OXON, ENGLAND
SN 1478-6435
J9 PHILOS MAG
JI Philos. Mag.
PY 2008
VL 88
IS 21
BP 2881
EP 2897
DI 10.1080/14786430802380477
PG 17
WC Materials Science, Multidisciplinary; Metallurgy & Metallurgical
Engineering; Physics, Applied; Physics, Condensed Matter
SC Materials Science; Metallurgy & Metallurgical Engineering; Physics
GA 376GR
UT WOS:000261172600002
ER
PT J
AU Cherkaoui, M
Soulami, A
Zeghloul, A
Khaleel, MA
AF Cherkaoui, M.
Soulami, A.
Zeghloul, A.
Khaleel, M. A.
TI A phenomenological dislocation theory for martensitic transformation in
ductile materials: From micro- to macroscopic description
SO PHILOSOPHICAL MAGAZINE
LA English
DT Article
DE micromechanics; viscoplastic model; martensitic transformation; yield
surfaces; TRIP steels
ID STAINLESS-STEEL; PHASE-TRANSFORMATIONS; TRIP STEELS; STRAIN-RATE;
DEFORMATION; PLASTICITY; BEHAVIOR; METALS; FCC; NANOCRYSTALLINE
AB An extension of the classical phenomenological dislocation theory U.F. Kocks and H. Mecking, Prog. Mater. Sci. 48 (2003) p. 171, Y. Estrin, J. Mater. Processing Technol. 80-81 (1998) p. 33 is proposed to develop a viscoplastic constitutive equation for steels undergoing (') martensitic phase transformation. Such a class of metallic material exhibits an additional inelastic strain resulting from the phase transformation itself and from the plastic accommodation in parent (austenite) and product (martensite) phases due to different sources of internal stresses. This inelastic strain, known as the transformation-induced plasticity (TRIP) strain, enhances ductility at an appropriate strength level due to the typical properties of martensite. The principal features of martensitic transformation at different scales are discussed and a macroscopic model derived from microscopic considerations. The material is considered as a combination of two viscoplastic phases, where the martensitic one is considered as a strengthening phase with evolving volume fraction. The methodology consists of two parts: a combination of two kinetics laws, which describe the material response at a given microstructure with the corresponding evolution equations of the appropriate internal variables and provide the constitutive equation of the two phases; a viscoplastic self-consistent homogenization technique that provides the constitutive equation of the two-phase composite material. The model could be regarded as a semi-phenomenological approach with sufficient link between microstructure and overall properties, and therefore with good predictive capabilities. Its simplicity allows a modular structure for its implementation in metal forming codes.
C1 [Cherkaoui, M.] Georgia Inst Technol, George W Woodruff Sch Mech Engn, GT CNRS UMI 2958, Atlanta, GA 30332 USA.
[Soulami, A.; Zeghloul, A.] Univ Metz, LPMM, CNRS, Metz, France.
[Khaleel, M. A.] Pacific NW Natl Lab, Richland, WA 99352 USA.
RP Cherkaoui, M (reprint author), Georgia Inst Technol, George W Woodruff Sch Mech Engn, GT CNRS UMI 2958, Atlanta, GA 30332 USA.
EM mcherkaoui@me.gatech.edu
OI khaleel, mohammad/0000-0001-7048-0749
NR 30
TC 7
Z9 7
U1 1
U2 13
PU TAYLOR & FRANCIS LTD
PI ABINGDON
PA 4 PARK SQUARE, MILTON PARK, ABINGDON OX14 4RN, OXON, ENGLAND
SN 1478-6435
J9 PHILOS MAG
JI Philos. Mag.
PY 2008
VL 88
IS 30-32
BP 3479
EP 3512
AR PII 793546788
DI 10.1080/14786430802043646
PG 34
WC Materials Science, Multidisciplinary; Metallurgy & Metallurgical
Engineering; Physics, Applied; Physics, Condensed Matter
SC Materials Science; Metallurgy & Metallurgical Engineering; Physics
GA 385GZ
UT WOS:000261804000003
ER
PT J
AU Deng, J
El-Azab, A
Larson, BC
AF Deng, J.
El-Azab, A.
Larson, B. C.
TI On the elastic boundary value problem of dislocations in bounded
crystals
SO PHILOSOPHICAL MAGAZINE
LA English
DT Article
DE defects in solids; deformation mechanisms; dislocation dynamics;
dislocation mechanics; dislocation theory
ID RAY STRUCTURAL MICROSCOPY; IMAGE STRESS; FREE-SURFACE; DYNAMICS; STRAIN;
SIMULATIONS; PLASTICITY; RESOLUTION; BEHAVIOR; FORCES
AB A new formulation of the elastic boundary value problem of dislocations in bounded crystals is developed. This formulation is based on the ansatz that the stress field of dislocations in bounded domains can be constructed as the sum of a contribution corresponding to the classical infinite-domain solution plus a correction that is determined here from a mathematically well posed problem. The formulation of the elastic boundary value problem given here ensures that the equilibrium of the overall stress field is rigorously satisfied, specifically when dislocations intersect the boundary. The implications of this new formalism for dislocation dynamics simulation are discussed for the cases of bounded crystals and crystal volumes representative of uniformly loaded infinite crystals. An approximate computational solution of the elastic boundary value problem is presented based on the concept of virtual dislocations and the use of a non-singular form of the infinite-domain solution of the dislocation stress field. This computational solution addresses the issues of singularity and global equilibrium of the boundary traction associated with the corrective field. Sample results are presented for the internal stress in bounded crystals containing 3D dislocation configurations produced using the dislocation dynamics simulation method. The results illustrate the statistical character of the internal elastic field.
C1 [Deng, J.; El-Azab, A.] Florida State Univ, Dept Mech Engn, Tallahassee, FL 32306 USA.
[El-Azab, A.] Florida State Univ, Sch Computat Sci, Tallahassee, FL 32306 USA.
[Larson, B. C.] Oak Ridge Natl Lab, Div Mat Sci & Technol, Oak Ridge, TN USA.
RP El-Azab, A (reprint author), Florida State Univ, Dept Mech Engn, Tallahassee, FL 32306 USA.
EM anter@eng.fsu.edu
FU Florida State University [4000058790]; Department of Energy; Office of
Science; Division of Materials Sciences and Engineering
FX AE and JD were supported in part by UT-Battelle LLC subcontract #
4000058790 at Florida State University. BL was supported by the
Department of Energy, Office of Science, Division of Materials Sciences
and Engineering. AE wishes to thank the ParaDiS code team of Lawrence
Livermore National Laboratory for making the code available for use
during the course of this study.
NR 31
TC 12
Z9 12
U1 1
U2 8
PU TAYLOR & FRANCIS LTD
PI ABINGDON
PA 4 PARK SQUARE, MILTON PARK, ABINGDON OX14 4RN, OXON, ENGLAND
SN 1478-6435
J9 PHILOS MAG
JI Philos. Mag.
PY 2008
VL 88
IS 30-32
BP 3527
EP 3548
AR PII 906930865
DI 10.1080/14786430802558544
PG 22
WC Materials Science, Multidisciplinary; Metallurgy & Metallurgical
Engineering; Physics, Applied; Physics, Condensed Matter
SC Materials Science; Metallurgy & Metallurgical Engineering; Physics
GA 385GZ
UT WOS:000261804000005
ER
PT J
AU Chen, G
Fenimore, PW
Frauenfelder, H
Mezei, F
Swenson, J
Young, RD
AF Chen, G.
Fenimore, P. W.
Frauenfelder, H.
Mezei, F.
Swenson, J.
Young, R. D.
TI Protein fluctuations explored by inelastic neutron scattering and
dielectric relaxation spectroscopy
SO PHILOSOPHICAL MAGAZINE
LA English
DT Article; Proceedings Paper
CT 11th International Workshop on Complex Systems
CY MAR 17-20, 2008
CL Andalo, ITALY
SP Univ Trento, Dipartimento Fis, INFM CNR SOFT, Off Naval Res
DE protein dynamics; hydration shell; beta fluctuations; inelastic neutron
scattering; dielectric relaxation spectroscopy; no dynamical transitions
ID MYOGLOBIN; DYNAMICS; TRANSITION; MOLECULES; GLASSES; SOLVENT; MOTIONS
AB Glasses, supercooled liquids and proteins share common properties, in particular the existence of an energy landscape and the presence of two types of fluctuations, alpha and beta. While the effect of alpha fluctuations on proteins has been known for a few years, the effect of beta fluctuations has not been fully understood. By comparing neutron-scattering data on the protein myoglobin with beta fluctuations in the hydration shell measured by dielectric relaxation spectroscopy, we show that the internal protein motions are slaved to these fluctuations. We also show that there is no 'dynamical transition' in proteins near 200 K. The rapid increase in the mean-square displacement with temperature in many neutron-scattering experiments can be quantitatively predicted by beta fluctuations in the hydration shell.
C1 [Chen, G.; Fenimore, P. W.; Frauenfelder, H.] Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA.
[Mezei, F.] Los Alamos Natl Lab, LANSCE, Los Alamos, NM USA.
[Swenson, J.] Chalmers, Dept Appl Phys, S-41296 Gothenburg, Sweden.
[Young, R. D.] No Arizona Univ, Dept Phys & Astron, Flagstaff, AZ 86011 USA.
RP Frauenfelder, H (reprint author), Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA.
EM frauenfelder@lanl.gov
NR 14
TC 25
Z9 25
U1 2
U2 14
PU TAYLOR & FRANCIS LTD
PI ABINGDON
PA 4 PARK SQUARE, MILTON PARK, ABINGDON OX14 4RN, OXON, ENGLAND
SN 1478-6435
J9 PHILOS MAG
JI Philos. Mag.
PY 2008
VL 88
IS 33-35
BP 3877
EP 3883
DI 10.1080/14786430802585117
PG 7
WC Materials Science, Multidisciplinary; Metallurgy & Metallurgical
Engineering; Physics, Applied; Physics, Condensed Matter
SC Materials Science; Metallurgy & Metallurgical Engineering; Physics
GA 385HA
UT WOS:000261804100002
ER
PT J
AU Ertekin, E
Daw, MS
Chrzan, DC
AF Ertekin, E.
Daw, M. S.
Chrzan, D. C.
TI Elasticity theory of topological defects in carbon nanotubes and
graphene
SO PHILOSOPHICAL MAGAZINE LETTERS
LA English
DT Article
ID 90-DEGREES PARTIAL DISLOCATION; TOTAL-ENERGY CALCULATIONS; STONE-WALES
DEFECTS; WAVE BASIS-SET; AB-INITIO; GRADIENT ELASTICITY; SEMICONDUCTORS;
DEFORMATIONS; METALS; CORE
AB We develop elasticity theory to predict the energies of topological defects in carbon nanostructures. The theory is a simple, quantitatively accurate and transferable continuum approach to predicting defect formation energies that obviates the need for computationally expensive quantum mechanical methods. Thus the theory has the potential to serve as the basis for thermodynamic and multi-scale modelling of the structural properties of carbon nanostructures.
C1 [Ertekin, E.; Chrzan, D. C.] Univ Calif Berkeley, Lawrence Berkeley Lab, Dept Mat Sci & Engn, Mat Sci Div, Berkeley, CA 94720 USA.
[Daw, M. S.] Clemson Univ, Dept Phys & Astron, Clemson, SC 29634 USA.
RP Chrzan, DC (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, Dept Mat Sci & Engn, Mat Sci Div, Berkeley, CA 94720 USA.
EM dcchrzan@berkeley.edu
RI Ertekin, Elif/D-6764-2013
NR 44
TC 8
Z9 8
U1 1
U2 7
PU TAYLOR & FRANCIS LTD
PI ABINGDON
PA 4 PARK SQUARE, MILTON PARK, ABINGDON OX14 4RN, OXON, ENGLAND
SN 0950-0839
J9 PHIL MAG LETT
JI Philos. Mag. Lett.
PY 2008
VL 88
IS 2
BP 159
EP 167
DI 10.1080/09500830701822104
PG 9
WC Materials Science, Multidisciplinary; Metallurgy & Metallurgical
Engineering; Physics, Applied; Physics, Condensed Matter
SC Materials Science; Metallurgy & Metallurgical Engineering; Physics
GA 260CT
UT WOS:000252989100008
ER
PT J
AU Song, S
Wang, J
Wang, R
Xiong, D
Zhao, D
Gui, J
Liu, H
Yan, Y
AF Song, S.
Wang, J.
Wang, R.
Xiong, D.
Zhao, D.
Gui, J.
Liu, H.
Yan, Y.
TI Structure of Al-Co-Ni pentagonal quasicrystal studied by HAADF-STEM and
ab initio calculations
SO PHILOSOPHICAL MAGAZINE LETTERS
LA English
DT Article
DE HAADF-STEM; quasicrystals; total energy methods; transmission electron
microscopy
ID TRANSMISSION ELECTRON-MICROSCOPY; MOLECULAR-DYNAMICS; AL72NI20CO8;
LATTICE; MODEL; APPROXIMANTS; SYMMETRY; CLUSTERS; ALCHEMI; METALS
AB Using a combination of atomic-resolution high-angle annular dark-field (HAADF) Z-contrast imaging and ab initio calculations, atomic models of clusters 2 nm in diameter and 0.8 nm in height are proposed for the Al-Co-Ni pentagonal quasicrystal. This quasicrystal has 5-fold symmetry (the so-called 5f state) without superstructures, and is one of numerous modifications of the Al-Co-Ni decagonal quasicrystal. HAADF results reveal that the two-dimensional quasi-periodic lattice contains mainly Penrose pentagonal tiling. The centres within the decorated pentagonal tiles, i.e. the so-called pentagonal super-clusters, show structural characteristics having both a satellite-orbit shape and a pentagon-symmetry shape. The proposed atomic models, based directly on the HAADF images, are subjected to ab initio total energy calculations. After relaxation, the calculations demonstrate that the models with 5-fold symmetry are energetically more favourable than those with 10-fold symmetry.
C1 [Song, S.; Wang, J.; Wang, R.; Xiong, D.; Zhao, D.; Gui, J.; Liu, H.] Wuhan Univ, Minist Educ, Dept Phys, Wuhan 430072, Peoples R China.
[Song, S.; Wang, J.; Wang, R.; Xiong, D.; Zhao, D.; Gui, J.; Liu, H.] Wuhan Univ, Minist Educ, Key Lab Acoust & Photon Mat & Devices, Wuhan 430072, Peoples R China.
[Song, S.; Wang, J.; Wang, R.; Xiong, D.; Zhao, D.; Gui, J.] Wuhan Univ, Ctr Electron Microscopy, Wuhan 430072, Peoples R China.
[Yan, Y.] Natl Renewable Energy Lab, Golden, CO USA.
RP Wang, J (reprint author), Wuhan Univ, Minist Educ, Dept Phys, Wuhan 430072, Peoples R China.
EM wang@whu.edu.cn
RI Wang, Jianbo/D-9991-2011
OI Wang, Jianbo/0000-0002-3315-3105
NR 44
TC 1
Z9 1
U1 1
U2 4
PU TAYLOR & FRANCIS LTD
PI ABINGDON
PA 4 PARK SQUARE, MILTON PARK, ABINGDON OX14 4RN, OXON, ENGLAND
SN 0950-0839
J9 PHIL MAG LETT
JI Philos. Mag. Lett.
PY 2008
VL 88
IS 7
BP 519
EP 531
DI 10.1080/09500830802272050
PG 13
WC Materials Science, Multidisciplinary; Metallurgy & Metallurgical
Engineering; Physics, Applied; Physics, Condensed Matter
SC Materials Science; Metallurgy & Metallurgical Engineering; Physics
GA 335BJ
UT WOS:000258265500006
ER
PT J
AU Barabash, R
Gao, YF
Sun, YN
Lee, SY
Choo, H
Liaw, PK
Brown, DW
Ice, GE
AF Barabash, Rozaliya
Gao, Yanfei
Sun, Yinan
Lee, Soo Yeol
Choo, Hahn
Liaw, Peter K.
Brown, Donald W.
Ice, Gene E.
TI Neutron and X-ray diffraction studies and cohesive interface model of
the fatigue crack deformation behavior
SO PHILOSOPHICAL MAGAZINE LETTERS
LA English
DT Article
DE crack growth; dislocations; FEM; neutron diffraction; X-ray diffraction
ID RANGE INTERNAL-STRESSES; COPPER SINGLE-CRYSTALS; GROWTH-BEHAVIOR;
PLASTIC-DEFORMATION; SUBSTRUCTURE-ANALYSIS; RESIDUAL-STRESS;
ROCKING-CURVE; TENSILE; ALLOY; MICROSTRUCTURE
AB The crack-tip deformation behavior during a single overload, fatigue test of ferritic stainless steel, and Ni-based HAYNES 230 superalloy is studied at different structural levels using (1) neutron-diffraction, from which both the elastic-lattice strain and volume-averaged total dislocation densities are obtained, (2) polychromatic X-ray microdiffraction to probe the geometrically necessary dislocations and boundaries distribution, and (3) an irreversible and hysteretic cohesive interface model which has been implemented into a finite element framework to simulate the stress/strain evolution near the fatigue crack tip. Neutron strain measurements and finite element simulations are in qualitative agreement on the macroscopic length scale. Large plastic deformation induced by the overload and the resulting compressive residual strains are observed in front of the crack tip after the overload, and are the principal reason for the fatigue-crack-growth retardation. Strong strain gradients surrounding the crack propagation result in the formation of a high density of geometrically necessary dislocations near the fractured surface and cause local lattice rotations on the submicron level.
C1 [Barabash, Rozaliya; Choo, Hahn; Ice, Gene E.] Oak Ridge Natl Lab, Div Mat Sci & Technol, Oak Ridge, TN 37831 USA.
[Barabash, Rozaliya] Univ Tennessee, Ctr Mat Proc, Knoxville, TN USA.
[Gao, Yanfei; Sun, Yinan; Lee, Soo Yeol; Choo, Hahn; Liaw, Peter K.] Univ Tennessee, Dept Mat Sci & Engn, Knoxville, TN 37996 USA.
[Gao, Yanfei] Oak Ridge Natl Lab, Div Math & Comp Sci, Oak Ridge, TN USA.
[Brown, Donald W.] Los Alamos Natl Lab, Div Mat Sci & Technol, Los Alamos, NM 87545 USA.
RP Barabash, R (reprint author), Oak Ridge Natl Lab, Div Mat Sci & Technol, Oak Ridge, TN 37831 USA.
EM barabashr@ornl.gov
RI Gao, Yanfei/F-9034-2010; Choo, Hahn/A-5494-2009
OI Gao, Yanfei/0000-0003-2082-857X; Choo, Hahn/0000-0002-8006-8907
FU NSF International Materials Institutes (IMI) Program [DMR 0231320];
UT-Battelle, LLC [DE-AC05-00OR22725]
FX The authors would like to acknowledge the financial supports from the
NSF International Materials Institutes (IMI) Program (DMR 0231320).
Research at Oak Ridge National Laboratory is sponsored by the Division
of Materials Sciences and Engineering, Office of Basic Energy Sciences,
U. S. Department of Energy, under Contract DE-AC05-00OR22725 with
UT-Battelle, LLC.
NR 54
TC 13
Z9 13
U1 2
U2 14
PU TAYLOR & FRANCIS LTD
PI ABINGDON
PA 4 PARK SQUARE, MILTON PARK, ABINGDON OX14 4RN, OXON, ENGLAND
SN 0950-0839
J9 PHIL MAG LETT
JI Philos. Mag. Lett.
PY 2008
VL 88
IS 8
BP 553
EP 565
DI 10.1080/09500830802311080
PG 13
WC Materials Science, Multidisciplinary; Metallurgy & Metallurgical
Engineering; Physics, Applied; Physics, Condensed Matter
SC Materials Science; Metallurgy & Metallurgical Engineering; Physics
GA 341BB
UT WOS:000258688100001
ER
PT J
AU Jeong, IK
Darling, TW
Heffner, RH
Llobet, A
Lashley, JC
AF Jeong, I. -K.
Darling, T. W.
Heffner, R. H.
Llobet, A.
Lashley, J. C.
TI Neutron diffraction study on gamma <-> alpha phase transition in
Ce(0.9)Th(0.1) alloy
SO PHILOSOPHICAL MAGAZINE LETTERS
LA English
DT Article
DE gamma-alpha phase transition; neutron diffraction; Debye temperature;
vibrational entropy
ID CERIUM
AB Comprehensive neutron diffraction measurements were performed to study the isostructural phase transition in Ce(0.9)Th(0.1) alloy. Using Rietveld refinements, we obtained lattice and thermal parameters as a function of temperature. From the temperature slope of the thermal parameters, we determined Debye temperatures Theta(gamma)(D)=133(1) K and Theta(alpha)(D)=140(1) K for the gamma phase and the phase, respectively. This result implies that the vibrational entropy change is not significant at the gamma <-> alpha transition, contrary to that from elemental Cerium [I.-K. Jeong, T.W. Darling, M.J. Graf et al., Phys. Rev. Lett. 92 (2004) p.105702].
C1 [Jeong, I. -K.] Pusan Natl Univ, Ctr Dielect & Adv Matter Phys, Pusan, South Korea.
[Darling, T. W.] Univ Nevada, Dept Phys, Reno, NV 89557 USA.
[Darling, T. W.] Univ Nevada, Nevada Terawatt Facil, Reno, NV 89557 USA.
[Heffner, R. H.; Llobet, A.; Lashley, J. C.] Los Alamos Natl Lab, Los Alamos, NM USA.
RP Jeong, IK (reprint author), Pusan Natl Univ, Ctr Dielect & Adv Matter Phys, Pusan, South Korea.
EM jeong@pusan.ac.kr
RI Llobet, Anna/B-1672-2010
FU Pusan National University Research Grant; DOE Office of Basic Energy
Sciences
FX I.-K. Jeony acknowledges that this work was supported for 2 years by
Pusan National University Research Grant. Neutron diffraction
measurements have benefitted from the use of HIPD at the Lujan Center at
Los Alamos Neutron Science Center, funded by DOE Office of Basic Energy
Sciences.
NR 22
TC 2
Z9 2
U1 0
U2 1
PU TAYLOR & FRANCIS LTD
PI ABINGDON
PA 4 PARK SQUARE, MILTON PARK, ABINGDON OX14 4RN, OXON, ENGLAND
SN 0950-0839
J9 PHIL MAG LETT
JI Philos. Mag. Lett.
PY 2008
VL 88
IS 8
BP 607
EP 613
DI 10.1080/09500830802348058
PG 7
WC Materials Science, Multidisciplinary; Metallurgy & Metallurgical
Engineering; Physics, Applied; Physics, Condensed Matter
SC Materials Science; Metallurgy & Metallurgical Engineering; Physics
GA 341BB
UT WOS:000258688100007
ER
PT S
AU Plawski, T
Allison, T
Bachimanchi, R
Dong, H
Hovater, C
Musson, J
AF Plawski, T.
Allison, T.
Bachimanchi, R.
Dong, H.
Hovater, C.
Musson, J.
BE Romaniuk, RS
Wolinski, TR
TI New RF Control System for the 12 GeV Energy Upgrade of the CEBAF
Accelerator at Jefferson Lab
SO PHOTONICS APPLICATIONS IN ASTRONOMY, COMMUNICATIONS, INDUSTRY, AND
HIGH-ENERGY PHYSICS EXPERIMENTS 2008
SE Proceedings of SPIE
LA English
DT Proceedings Paper
CT Conference on Photonics Applications in Astronomy, Communications,
Industry, and High-Energy Physics Experiments 2008
CY MAY 28-JUN 01, 2008
CL Wilga, POLAND
SP PERG & ELHEP Lab, Inst Elect Syst, FE&IT, Warsaw Univ Technol, Photon Soc Poland, Fac Elect & Informat Technol, Comm Elect & Telecommun, Polish Acad Sci, Polish Comm Optoelect, Assoc Polish Elect Engineers, Soltan Inst Nucl Studies, IEEE Poland Sect & IEEE Region 8, SPIE, Inter-Assoc Comm Elect, Telecomm & Informat Technol, Assoc Polish Mech Engineers
AB The CEBAF Accelerator at Jefferson Lab presently consists of 50 MeV injector, two anti-parallel superconducting linacs and two arcs for transporting beam between the linacs. By the mid-1990s, the accelerator was providing electrons up to 5.75 GeV. The 12 GeV Upgrade is a major accelerator project aimed at doubling the energy by adding 10 (five per linac) new high gradient cryomodules, each providing 100 MY of field. The new cryomodule will consist of eight 7-cell superconducting cavities operating at an average accelerating gradient of 19.5 MV/m and with an external Q = 3.2 . 10(7) The high gradient, very high quality factor and large Lorentz detuning coefficient (K(L) up to 4) pose significant challenges beyond what the present analog low level RF (LLRF) control systems can handle reliably; therefore, a new digital LLRF control system has been developed. The main highlights of the new RF Control system include: a RF front-end with low temperature drift and good linearity, a large FPGA platform for digital signal processing, an EPICS Input Output Computer (IOC) using a PC-l 04 and a digital Self Exciting Loop (SEL) based algorithm. This paper provides an overview of the 6 GeV and 12 GeV Upgrade CEBAF machines, a summary of sources of cavity field variation that drive LLRF system performance, and discusses recent developments and progress in Jefferson Lab's new LLRF system design.
C1 [Plawski, T.; Allison, T.; Bachimanchi, R.; Dong, H.; Hovater, C.; Musson, J.] Thomas Jefferson Natl Accelerator Facil, Newport News, VA 23606 USA.
RP Plawski, T (reprint author), Thomas Jefferson Natl Accelerator Facil, Newport News, VA 23606 USA.
NR 10
TC 0
Z9 0
U1 0
U2 0
PU SPIE-INT SOC OPTICAL ENGINEERING
PI BELLINGHAM
PA 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA
SN 0277-786X
BN 978-0-8194-7358-5
J9 PROC SPIE
PY 2008
VL 7124
AR 71240J
DI 10.1117/12.817948
PG 11
WC Astronomy & Astrophysics; Crystallography; Engineering, Electrical &
Electronic; Optics; Physics, Particles & Fields
SC Astronomy & Astrophysics; Crystallography; Engineering; Optics; Physics
GA BXG30
UT WOS:000296026200018
ER
PT S
AU del Cueto, JA
Rummel, S
Kroposki, B
Anderberg, A
AF del Cueto, J. A.
Rummel, S.
Kroposki, B.
Anderberg, A.
BE von Roedern, B
Delahoy, AE
TI Long-Term Performance Data and Analysis of CIS/CIGS Modules Deployed
Outdoors
SO PHOTOVOLTAIC CELL AND MODULE TECHNOLOGIES II
SE Proceedings of SPIE
LA English
DT Proceedings Paper
CT Conference on Photovoltaic Cell and Module Technologies II
CY AUG 10-11, 2008
CL San Diego, CA
DE Long-term performance; reliability; photovoltaic modules; CIS; CIGS
ID FILM SOLAR-CELLS; DAMP HEAT
AB The long-term performance data of copper indium diselenide (CIS) and gallium-alloyed CIS (CIGS) photovoltaic (PV) modules are investigated to assess the reliability of this technology. We study and report on numerous PV modules acquired from two manufacturers (A and B), deployed at NREL's outdoor test facility (OTF) in various configurations in the field: some are free standing, loaded with a fixed resistance and periodically tested indoors at STC; other modules are connected to data acquisition systems with their performance continuously monitored. Performance is characterized using current-voltage (IN) measurements obtained either at standard test conditions or under real-time monitoring conditions: the power parameters plus other factors relating to quality like diode quality factors or series resistance are analyzed for changes against time. Using standard diode analysis to determine the sources of degradation indicates that CIS modules can exhibit between moderate and negligible degradation, with the dominant loss mode being fill factor declines along with decreases in open-circuit voltage, for illumination intensities near 1-sun. At lower intensities, current losses can appear appreciable. The real-time performance data also indicate that fill factor loss is the primary degradation mode, generally as a result of increases in series resistance.
C1 [del Cueto, J. A.; Rummel, S.; Kroposki, B.; Anderberg, A.] NREL, Golden, CO 80401 USA.
RP del Cueto, JA (reprint author), NREL, 1617 Cole Blvd, Golden, CO 80401 USA.
NR 10
TC 2
Z9 2
U1 1
U2 6
PU SPIE-INT SOC OPTICAL ENGINEERING
PI BELLINGHAM
PA 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA
SN 0277-786X
BN 978-0-8194-7265-6
J9 PROC SPIE
PY 2008
VL 7045
AR 704504
DI 10.1117/12.796505
PG 11
WC Energy & Fuels; Instruments & Instrumentation; Optics
SC Energy & Fuels; Instruments & Instrumentation; Optics
GA BIN19
UT WOS:000260995600004
ER
PT J
AU Guo, XF
Evans, JW
Liu, DH
AF Guo, Xiaofang
Evans, J. W.
Liu, Da-Hang
TI Generic two-phase coexistence, relaxation kinetics, and interface
propagation in the quadratic contact process: Analytic studies
SO PHYSICA A-STATISTICAL MECHANICS AND ITS APPLICATIONS
LA English
DT Article
DE quadratic contact process; generic two-phase coexistence; master
equations; truncation; discrete reaction diffusion equations; interface
propagation
ID SURFACE-REACTION MODEL; PHASE-TRANSITIONS; SEQUENTIAL ADSORPTION;
SYSTEMS; FAILURE
AB The quadratic contact process is implemented as an adsorption-desorption model on a two-dimensional square lattice. The model involves random adsorption at empty sites, and correlated desorption requiring diagonal pairs of empty neighbors. A simulation study of this model [D.-J. Liu, X. Guo, JW. Evans, Phys. Rev. Lett. 98 (2007) 050601] revealed the existence of generic two-phase coexistence between a low-coverage active steady-state and a completely covered absorbing state. Here, an analytic treatment of model behavior is developed based on truncation approximations to the exact master equations. Applying this approach for spatially homogeneous states, we characterize steady-state behavior as well as the kinetics of relaxation to the steady-states. Extending consideration to spatially inhomogeneous states, we obtain discrete reaction-diffusion type equations characterizing evolution. These are employed to analyze an orientation-dependence of the propagation of planar interfaces between active and absorbing states which underlies the generic two-phase coexistence. We also describe the dynamics and critical forms of planar perturbations of the active state and of droplets of one phase embedded in the other. (c) 2007 Elsevier B.V. All rights reserved.
C1 Iowa State Univ, Ames Lab, USDOE, Ames, IA 50011 USA.
Iowa State Univ, Dept Phys & Astron, Dept Math, Ames, IA 50011 USA.
RP Evans, JW (reprint author), Iowa State Univ, Ames Lab, USDOE, Ames, IA 50011 USA.
EM evans@ameslab.gov
NR 26
TC 10
Z9 10
U1 1
U2 3
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0378-4371
J9 PHYSICA A
JI Physica A
PD JAN 1
PY 2008
VL 387
IS 1
BP 177
EP 201
DI 10.1016/j.physa.2007.09.002
PG 25
WC Physics, Multidisciplinary
SC Physics
GA 239BZ
UT WOS:000251494400015
ER
PT J
AU Wang, Z
Zu, X
Yang, L
Gao, F
Weber, WJ
AF Wang, Zhiguo
Zu, Xiaotao
Yang, Li
Gao, Fei
Weber, William J.
TI Molecular dynamics simulation on the buckling behavior of GaN nanowires
under uniaxial compression
SO PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES
LA English
DT Article
DE GaN nanowires; compression; buckling; molecular dynamics
ID CHEMICAL-VAPOR-DEPOSITION; NANOTUBES; GROWTH
AB Molecular dynamics simulation is one of the most promising methods for investigating the mechanical behavior of nanostructures, such as nanowires and nanotubes. Atomistic simulations are performed to investigate the buckling properties of [001]-, [110]-, and [110]-oriented GaN nanowires under uniaxial compression; these three types of nanowires correspond to experimentally synthesized nanowires. The effects of simulation temperature and wire length on the buckling behavior are investigated. The simulation results show that critical stress decreases with the increase of wire length, which is in agreement with the Euler theory. Buckling occurs as a result of dynamic processes; buckling strain (and corresponding stress) decreases as temperature is increased. (C) 2007 Elsevier B.V. All rights reserved.
C1 [Wang, Zhiguo; Zu, Xiaotao; Yang, Li] Univ Elect Sci & Technol China, Dept Appl Phys, Chengdu 610054, Peoples R China.
[Gao, Fei; Weber, William J.] Pacific NW Natl Lab, Richland, WA 99352 USA.
RP Wang, Z (reprint author), Univ Elect Sci & Technol China, Dept Appl Phys, Chengdu 610054, Peoples R China.
EM zgwangjr@yahoo.com
RI Wang, Zhiguo/B-7132-2009; Weber, William/A-4177-2008; Gao,
Fei/H-3045-2012
OI Weber, William/0000-0002-9017-7365;
NR 25
TC 16
Z9 16
U1 0
U2 7
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 1386-9477
EI 1873-1759
J9 PHYSICA E
JI Physica E
PD JAN
PY 2008
VL 40
IS 3
BP 561
EP 566
DI 10.1016/j.physe.2007.08.040
PG 6
WC Nanoscience & Nanotechnology; Physics, Condensed Matter
SC Science & Technology - Other Topics; Physics
GA 260TH
UT WOS:000253032800024
ER
PT J
AU Ledbetter, H
Migliori, A
AF Ledbetter, Hassel
Migliori, Albert
TI Elastic-constant systematics in f.c.c. metals, including
lanthanides-actinides
SO PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS
LA English
DT Article
ID CUBIC METALS; CRYSTALS
AB For f.c.c. metals, using Blackman's diagram of dimensionless elastic-constant ratios, we consider the systematics of physical properties and interatomic bonding. We focus especially on the lanthanides-actinides La, Ce, Yb, Th, U, Pu, those for which we know some monocrystal elastic constants. Their behavior differs from the other f.c.c. metals, and all except La show a negative Cauchy pressure, contrary to most f.c.c.metals, which show a positive Cauchy pressure. Among the lanthanides-actinides, delta-Pu stands apart, consistent with its many odd physical properties. Based on elastic-constant correlations, we suggest that delta-Pu possesses a strong s-electron interatomic-bonding component together with a covalent component. Elastically, delta-Pu shows properties similar to Yb.
C1 [Ledbetter, Hassel] Univ Colorado, Dept Mech Engn, Boulder, CO 80309 USA.
[Migliori, Albert] Univ Calif Los Alamos Natl Lab E536, Los Alamos, NM 87545 USA.
RP Ledbetter, H (reprint author), Univ Colorado, Dept Mech Engn, Boulder, CO 80309 USA.
EM hassel33@msn.com
NR 44
TC 14
Z9 14
U1 2
U2 17
PU WILEY-V C H VERLAG GMBH
PI WEINHEIM
PA PO BOX 10 11 61, D-69451 WEINHEIM, GERMANY
SN 0370-1972
J9 PHYS STATUS SOLIDI B
JI Phys. Status Solidi B-Basic Solid State Phys.
PD JAN
PY 2008
VL 245
IS 1
BP 44
EP 49
DI 10.1002/pssb.200743075
PG 6
WC Physics, Condensed Matter
SC Physics
GA 256EM
UT WOS:000252710500006
ER
PT S
AU Niebling, T
Rubel, O
Heimbrodt, W
Stolz, W
Baranovskii, SD
Klar, PJ
Geisz, JF
AF Niebling, T.
Rubel, O.
Heimbrodt, W.
Stolz, W.
Baranovskii, S. D.
Klar, P. J.
Geisz, J. F.
BE Baranovski, S
TI Hopping energy relaxation of localized excitons in GaP(N)
SO PHYSICA STATUS SOLIDI C - CURRENT TOPICS IN SOLID STATE PHYSICS, VOL 5,
NO 3
SE Physica Status Solidi C-Current Topics in Solid State Physics
LA English
DT Proceedings Paper
CT 12th International Conference on Transport in Interacting Disordered
Systems
CY AUG 06-10, 2007
CL Marburg, GERMANY
ID GANXP1-X ALLOYS; ISOELECTRONIC TRAPS; QUANTUM-WELL; PHOTOLUMINESCENCE;
TIME; RECOMBINATION; CDS1-XSEX; NITROGEN; STATES
AB Low-temperature kinetics of the energy transfer of localized optical excitations in a nitrogen-doped Gal? bulk sample with a nitrogen content of 2.1 % is studied by means of time-resolved spectroscopy. Both spectral and time dependence of the photoluminescence decay are described quantitatively in a time range from nanoseconds to microsecond by a phenomenological theory of hopping and energy relaxation of localized excitons. The density of localized states and their energy distribution are determined by comparison of experiment and theory. (C) 2008 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
C1 [Niebling, T.; Rubel, O.; Heimbrodt, W.; Stolz, W.; Baranovskii, S. D.] Univ Marburg, Dept Phys, D-35032 Marburg, Germany.
[Niebling, T.; Rubel, O.; Heimbrodt, W.; Stolz, W.; Baranovskii, S. D.] Univ Marburg, Ctr Mat Sci, D-35032 Marburg, Germany.
[Klar, P. J.] Univ Giessen, Inst Expt Phys 1, D-35392 Giessen, Germany.
[Geisz, J. F.] Natl Renewable Energy Lab, Golden, CO 80401 USA.
RP Niebling, T (reprint author), Univ Marburg, Dept Phys, Renthof 5, D-35032 Marburg, Germany.
EM tobias.niebling@physik.uni-marburg.de
NR 24
TC 2
Z9 2
U1 2
U2 5
PU WILEY-V C H VERLAG GMBH
PI WEINHEIM
PA PAPPELALLEE 3, W-69469 WEINHEIM, GERMANY
SN 1862-6351
J9 PHYS STATUS SOLIDI C
PY 2008
VL 5
IS 3
BP 768
EP 771
DI 10.1002/pssc.200777574
PG 4
WC Materials Science, Multidisciplinary; Physics, Applied; Polymer Science
SC Materials Science; Physics; Polymer Science
GA BHN29
UT WOS:000254469900022
ER
PT S
AU Burin, AL
Shklovskii, BI
Kozub, VI
Galperin, YM
Vinokur, V
AF Burin, Alexander L.
Shklovskii, Boris I.
Kozub, Veniamin I.
Galperin, Yuri M.
Vinokur, Valerii
BE Baranovski, S
TI Many electron theory of 1/f-noise in hopping conductivity
SO PHYSICA STATUS SOLIDI C - CURRENT TOPICS IN SOLID STATE PHYSICS, VOL 5,
NO 3
SE Physica Status Solidi C-Current Topics in Solid State Physics
LA English
DT Proceedings Paper
CT 12th International Conference on Transport in Interacting Disordered
Systems
CY AUG 06-10, 2007
CL Marburg, GERMANY
ID LOW-FREQUENCY NOISE; DISORDERED SYSTEMS; COULOMB GAP; 1/F NOISE;
DYNAMICS; GLASS
AB We show that 1/f-noise in the variable range hopping regime is related to transitions of many-electrons clusters (fluctuators) between two almost degenerate states. Giant fluctuation times necessary for 1/f -noise are provided by slow rate of simultaneous tunneling of many localized electrons and by large activation barriers for their consecutive rearrangements. The Hooge constant steeply grows with decreasing temperature because it is easier to find a slow fluctuator at lower temperatures. Our conclusions qualitatively agree with the low temperature observations of 1/f-noise in p-type silicon and GaAs. (C) 2008 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
C1 [Burin, Alexander L.] Tulane Univ, Dept Chem, New Orleans, LA 70118 USA.
[Shklovskii, Boris I.] Univ Minnesota, Sch Phys & Astron, William P Fine Inst Theoret Phys, Minneapolis, MN 55455 USA.
[Kozub, Veniamin I.; Galperin, Yuri M.] AF Ioffe Phys Tech Inst, Russian Acad Sci, St Petersburg 194021, Russia.
[Kozub, Veniamin I.; Galperin, Yuri M.; Vinokur, Valerii] Argonne Natl Lab, Argonne, IL 60439 USA.
[Galperin, Yuri M.] Univ Oslo, Dept Phys, N-0316 Oslo, Norway.
RP Burin, AL (reprint author), Tulane Univ, Dept Chem, New Orleans, LA 70118 USA.
EM aburin@tulane.edu
RI Galperin, Yuri/A-1851-2008; Kozub, Veniamin/E-4017-2014
OI Galperin, Yuri/0000-0001-7281-9902;
NR 29
TC 6
Z9 6
U1 0
U2 0
PU WILEY-V C H VERLAG GMBH
PI WEINHEIM
PA PAPPELALLEE 3, W-69469 WEINHEIM, GERMANY
SN 1862-6351
J9 PHYS STATUS SOLIDI C
PY 2008
VL 5
IS 3
BP 800
EP +
DI 10.1002/pssc.200777554
PG 3
WC Materials Science, Multidisciplinary; Physics, Applied; Polymer Science
SC Materials Science; Physics; Polymer Science
GA BHN29
UT WOS:000254469900029
ER
PT S
AU Drichko, IL
Dyakonov, AM
Smirnov, IY
Suslov, AV
Galperin, YM
Vinokur, V
Myronov, M
Mironov, OA
AF Drichko, I. L.
Dyakonov, A. M.
Smirnov, I. Yu.
Suslov, A. V.
Galperin, Y. M.
Vinokur, V.
Myronov, M.
Mironov, O. A.
BE Baranovski, S
TI Low-temperature conductance mechanisms in p-Si/SiGe heterostructures in
high magnetic fields
SO PHYSICA STATUS SOLIDI C - CURRENT TOPICS IN SOLID STATE PHYSICS, VOL 5,
NO 3
SE Physica Status Solidi C-Current Topics in Solid State Physics
LA English
DT Proceedings Paper
CT 12th International Conference on Transport in Interacting Disordered
Systems
CY AUG 06-10, 2007
CL Marburg, GERMANY
ID INSULATING PHASE; ELECTRON-GAS; CONDUCTIVITY; TRANSITION; FREQUENCY;
CRYSTAL
AB Low-temperature conductance mechanism in low-density Si/SiGe heterostructures in high magnetic fields (ultra-quantum limit) is studied using AC and DC transport measurements. Evidence of the Wigner crystal in this regime is given. (C) 2008 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
C1 [Drichko, I. L.; Dyakonov, A. M.; Smirnov, I. Yu.; Galperin, Y. M.] Russian Acad Sci, AF Ioffe Phys Tech Inst, St Petersburg 194021, Russia.
[Suslov, A. V.] Natl High Magnet Field Lab, Tallahassee, FL 32310 USA.
[Galperin, Y. M.] Univ Oslo, Dept Phys, N-0316 Oslo, Norway.
[Galperin, Y. M.; Vinokur, V.] Argonne Natl Lab, Argonne, IL 60439 USA.
[Myronov, M.] Musashi Inst Technol, Setagaya Ku, Tokyo, Japan.
[Mironov, O. A.] Univ Warwick, Coventry CV4 7EZ, W Midlands, England.
[Mironov, O. A.] Int Lab High Magnet Fields & Low Temp, PL-50985 Wroclaw, Poland.
RP Drichko, IL (reprint author), Russian Acad Sci, AF Ioffe Phys Tech Inst, St Petersburg 194021, Russia.
EM irina.l.drichko@mail.ioffe.ru
RI Galperin, Yuri/A-1851-2008; Smirnov, Ivan/E-4685-2014; Suslov,
Alexey/M-7511-2014;
OI Galperin, Yuri/0000-0001-7281-9902; Suslov, Alexey/0000-0002-2224-153X;
Mironov, Oleg A./0000-0002-9787-944X
FU Presidium of the Russian Academy of Sciences; Program of RAS
"Spintronika"; NSF Cooperative [DMR-0084173]; State of Florida, NHMFL
In-House Research Program; US DOE Office of Science [DE-AC02-06CH11357]
FX The work is supported by grants of Presidium of the Russian Academy of
Sciences, the Program of RAS "Spintronika", SPbSC of RAS 2007, NSF
Cooperative Agreement DMR-0084173, State of Florida, NHMFL In-House
Research Program. The work of YG, and VV was supported by the US DOE
Office of Science DE-AC02-06CH11357.
NR 20
TC 0
Z9 0
U1 0
U2 0
PU WILEY-V C H VERLAG GMBH
PI WEINHEIM
PA PAPPELALLEE 3, W-69469 WEINHEIM, GERMANY
SN 1862-6351
J9 PHYS STATUS SOLIDI C
PY 2008
VL 5
IS 3
BP 829
EP +
DI 10.1002/pssc.200777555
PG 3
WC Materials Science, Multidisciplinary; Physics, Applied; Polymer Science
SC Materials Science; Physics; Polymer Science
GA BHN29
UT WOS:000254469900034
ER
PT S
AU Seifter, A
Swift, DC
AF Seifter, A.
Swift, D. C.
BE Arwin, H
Beck, U
Schubert, M
TI A new sub-nanosecond spectral ellipsometer for shock physics
applications
SO PHYSICA STATUS SOLIDI C - CURRENT TOPICS IN SOLID STATE PHYSICS, VOL 5,
NO 5
SE Physica Status Solidi C-Current Topics in Solid State Physics
LA English
DT Proceedings Paper
CT 4th International Conference on Spectroscopic Ellipsometry (ICSE-4)
CY JUN 11-15, 2007
CL Stockholm, SWEDEN
AB Detecting phase changes in dynamically loaded materials at pressures up into the megabar regime is among the top challenges in shock physics. Probing, the electronic band structure by means of spectral ellipsometry is one of the possible solutions to this problem. For this purpose a fast spectral ellipsometer in the spectral range from 500 to 2000 run is developed currently in the Physics Division of the Los Alamos National Laboratory. This paper discusses' some of the most prominent difficulties associated with shock physics experiments, including sample movement, roughening of the sample surface after shock breakout and a change of index of refraction due to compression of transparent anvils often used in this kind of experiments. The layout of the instrument and its main components (light source, detectors and polarization measurement components) will be described as well as simulated spectra in order to get an understanding of the main contributions to measurement uncertainties.
C1 [Seifter, A.] Los Alamos Natl Lab, Div Phys, Los Alamos, NM 87545 USA.
[Swift, D. C.] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
RP Seifter, A (reprint author), Los Alamos Natl Lab, Div Phys, Los Alamos, NM 87545 USA.
EM self@lanl.gov; dswift@llnl.gov
FU U.S. Department of Energy [W-7405-ENG-36, DE-AC52-06NA25396]
FX We would like to thank Dr. Shankar Krishnan from KLA-Tencor Corporation
for valuable discussion of the instrument design. The work was performed
under the auspices of the U.S. Department of Energy under contracts
W-7405-ENG-36 and DE-AC52-06NA25396.
NR 14
TC 3
Z9 3
U1 0
U2 1
PU WILEY-V C H VERLAG GMBH
PI WEINHEIM
PA PAPPELALLEE 3, W-69469 WEINHEIM, GERMANY
SN 1862-6351
J9 PHYS STATUS SOLIDI C
PY 2008
VL 5
IS 5
BP 1073
EP +
DI 10.1002/pssc.200777833
PG 2
WC Physics, Condensed Matter; Spectroscopy
SC Physics; Spectroscopy
GA BHV64
UT WOS:000256862500017
ER
PT S
AU Liliental-Weber, Z
Hawkridge, M
Mangum, J
Kryliouk, O
AF Liliental-Weber, Z.
Hawkridge, M.
Mangum, J.
Kryliouk, O.
BE Palacios, T
Jena, D
TI InN nanorods and nanowires grown on different substrates
SO PHYSICA STATUS SOLIDI C - CURRENT TOPICS IN SOLID STATE PHYSICS, VOL 5,
NO 6
SE Physica Status Solidi C-Current Topics in Solid State Physics
LA English
DT Proceedings Paper
CT 7th International Conference on Nitride Semiconductors (ICNS-7)
CY SEP 16-21, 2007
CL Las Vegas, NV
SP Aixtron AG, Rohm & Hass Elect Mat LLC, Akzo Nobel High Pur Metalorgan, Cree Inc, IQE, Nitronex, RFMD, Seoul Semicond Co Ltd, Sony Corp, Toyoda Gosei Co Ltd, Kopin Corp, Mitsubishi Chem Corp, Nichia Corp, Taiyo Nippon Sanso Corp, Veeco Instruments, Air Prod & Chem, Osram Opto Semicond GmbH, SAFC Hitech
AB Transmission Electron Microscopy was applied to study InN nanorods grown by non-catalytic, template-free hydride metal-organic vapor phase epitaxy (solid-vapor mechanism) and nanowires grown by a vapor-liquid-solid growth (VLS) mechanism in a MOVPE reactor. The nanorods and nanowires were grown on different planes of Al2O3, (0002) GaN/Al2O3, and (001) Si. The majority of nanorods have a high structural perfection and exhibit abrupt side walls, but some of them show formation of the planar defects. Depending on the substrate used, the size, shape and tips of the nanorods vary from hexagonal to pencil-like. Nanowires, however have very corrugated surfaces along their side-walls and tips, and depending on the V/III flow ratio these nanowires can have either a constant diameter or taper-off. Their length can extend up to 100 mu m. Bending and branching of nanowires was observed, but this phenomenon was never observed for nanorods.
C1 [Liliental-Weber, Z.; Hawkridge, M.] Lawrence Berkeley Natl Lab, Div Mat Sci, M-S 62R0203, Berkeley, CA 94720 USA.
[Mangum, J.; Kryliouk, O.] Univ Florida, Dept Chem Engn, Gainesville, FL 32611 USA.
RP Liliental-Weber, Z (reprint author), Lawrence Berkeley Natl Lab, Div Mat Sci, M-S 62R0203, Berkeley, CA 94720 USA.
EM z_liliental-weber@lbl.gov; MEHawkridge@lbl.gov; jmangum@che.ufl.edu;
olgak@grove.ufl.edu
RI Liliental-Weber, Zuzanna/H-8006-2012
FU Director, Office of Science; Office of Basic Energy Sciences,; Division
of Materials Sciences and Engineering; U.S. Department of Energy
[DE-AC02-05CH11231]; UF; NSF [CTS-031178, DMR 0400416]; NASA Kennedy
Space Center Grant [NAG 10-316]; ONR [N00014-98-1- 04]
FX This work is supported by the Director, Office of Science, Office of
Basic Energy Sciences, Division of Materials Sciences and Engineering,
of the U.S. Department of Energy under Contract No. DE-AC02-05CH11231.
The work at UF is partially supported by NSF (CTS-031178) and NASA
Kennedy Space Center Grant NAG 10-316, ONR (N00014-98-1- 04) and NSF DMR
0400416
NR 6
TC 5
Z9 5
U1 1
U2 13
PU WILEY-V C H VERLAG GMBH
PI WEINHEIM
PA PAPPELALLEE 3, W-69469 WEINHEIM, GERMANY
SN 1862-6351
J9 PHYS STATUS SOLIDI C
PY 2008
VL 5
IS 6
BP 1795
EP +
DI 10.1002/pssc.200778649
PG 3
WC Materials Science, Coatings & Films; Physics, Condensed Matter
SC Materials Science; Physics
GA BHV31
UT WOS:000256695700096
ER
PT S
AU Trybus, E
Jani, O
Burnham, S
Ferguson, I
Honsberg, C
Steiner, M
Doolittle, WA
AF Trybus, E.
Jani, O.
Burnham, S.
Ferguson, I.
Honsberg, C.
Steiner, M.
Doolittle, W. A.
BE Palacios, T
Jena, D
TI Characteristics of InGaN designed for photovoltaic applications
SO PHYSICA STATUS SOLIDI C - CURRENT TOPICS IN SOLID STATE PHYSICS, VOL 5,
NO 6
SE Physica Status Solidi C-Current Topics in Solid State Physics
LA English
DT Proceedings Paper
CT 7th International Conference on Nitride Semiconductors (ICNS-7)
CY SEP 16-21, 2007
CL Las Vegas, NV
SP Aixtron AG, Rohm & Hass Elect Mat LLC, Akzo Nobel High Pur Metalorgan, Cree Inc, IQE, Nitronex, RFMD, Seoul Semicond Co Ltd, Sony Corp, Toyoda Gosei Co Ltd, Kopin Corp, Mitsubishi Chem Corp, Nichia Corp, Taiyo Nippon Sanso Corp, Veeco Instruments, Air Prod & Chem, Osram Opto Semicond GmbH, SAFC Hitech
ID FUNDAMENTAL-BAND GAP; INN
AB This work addresses the required properties and device structures for an InGaN solar cell. Homojunction InGaN solar cells with a bandgap greater than 2.0 eV are specifically targeted due to material limitations. These devices are attractive because over half the available power in the solar spectrum is above 2.0 W. Using high growth rates, InGaN films with indium compositions ranging from 1 to 32% have been grown by Molecular Beam Epitaxy with negligible phase separation according to X-ray diffraction analysis, and better than 190 arc-sec omega-2 theta FWHM for similar to 0.6 mu m thick In0.32Ga0.68N film. Using measured transmission data, the adsorption coefficient of InGaN at 2.4 eV was calculated as alpha congruent to 2x10(5) cm(-1) near the band edge. This results in the optimal solar cell thickness of less than a micron and may lead to high open circuit voltage while reducing the constraints on limited minority carrier life-times.
C1 [Trybus, E.; Jani, O.; Burnham, S.; Ferguson, I.; Doolittle, W. A.] Georgia Inst Technol, Sch Elect & Comp Engn, 777 Atlantic Dr NW, Atlanta, GA 30332 USA.
[Honsberg, C.] Univ Delaware, Dept Elect & Comp Engn, Newark, DE 19716 USA.
[Steiner, M.] Natl Renewable Energy Lab, Golden, CO 80401 USA.
RP Trybus, E (reprint author), Georgia Inst Technol, Sch Elect & Comp Engn, 777 Atlantic Dr NW, Atlanta, GA 30332 USA.
EM elaissa@ece.gatech.edu; alan.doolittle@ece.gatech.edu
FU Department of Energy; National Renewable Energy Laboratory; Defence
Advanced Research Projects Agency
FX This work was supported by the Department of Energy, National Renewable
Energy Laboratory, and the Defence Advanced Research Projects Agency
monitored by Dr. Doug Kirkpatrick and the University of Delaware
monitored by Dr. Allen Barnett under the Very High Efficiency Solar Cell
Program.
NR 6
TC 10
Z9 10
U1 0
U2 9
PU WILEY-V C H VERLAG GMBH
PI WEINHEIM
PA PAPPELALLEE 3, W-69469 WEINHEIM, GERMANY
SN 1862-6351
J9 PHYS STATUS SOLIDI C
PY 2008
VL 5
IS 6
BP 1843
EP +
DI 10.1002/pssc.200778693
PG 2
WC Materials Science, Coatings & Films; Physics, Condensed Matter
SC Materials Science; Physics
GA BHV31
UT WOS:000256695700110
ER
PT S
AU Miller, N
Jones, RE
Yu, KM
Ager, JW
Liliental-Weber, Z
Haller, EE
Walukiewicz, W
Williamson, TL
Hoffbauer, MA
AF Miller, N.
Jones, R. E.
Yu, K. M.
Ager, J. W.
Liliental-Weber, Z.
Haller, E. E.
Walukiewicz, W.
Williamson, T. L.
Hoffbauer, M. A.
BE Palacios, T
Jena, D
TI Low-temperature grown compositionally graded InGaN films
SO PHYSICA STATUS SOLIDI C - CURRENT TOPICS IN SOLID STATE PHYSICS, VOL 5,
NO 6
SE Physica Status Solidi C-Current Topics in Solid State Physics
LA English
DT Proceedings Paper
CT 7th International Conference on Nitride Semiconductors (ICNS-7)
CY SEP 16-21, 2007
CL Las Vegas, NV
SP Aixtron AG, Rohm & Hass Elect Mat LLC, Akzo Nobel High Pur Metalorgan, Cree Inc, IQE, Nitronex, RFMD, Seoul Semicond Co Ltd, Sony Corp, Toyoda Gosei Co Ltd, Kopin Corp, Mitsubishi Chem Corp, Nichia Corp, Taiyo Nippon Sanso Corp, Veeco Instruments, Air Prod & Chem, Osram Opto Semicond GmbH, SAFC Hitech
ID INN; EPITAXY
AB A new thin film growth technique known as energetic neutral atomic-beam lithography/epitaxy (ENABLE) provides a large energetic N atom flux and eliminates the need for high substrate temperatures as compared to molecular beam epitaxy, making isothermal-growth over the entire InGaN alloy composition range possible without phase separation 500-800 nm thick compositionally graded InGaN films Were grown, by ENABLE at similar to 450 degrees C with the following structure types: (1) with the Ga-rich material on the surface and (2) with the In-rich material on the surface. Rutherford backscattering spectrometry, transmission electron microscopy, X-ray diffraction, absorption spectroscopy, photoluminescence, and Hall effect measurements were used to assess the thickness, composition, crystalline quality, and optical and electrical properties of the films. The results establish the new ENABLE method as uniquely capable of growing compositionally graded InGaN films and, in the future, InN/GaN heterostructures.
C1 [Miller, N.; Jones, R. E.; Yu, K. M.; Ager, J. W.; Liliental-Weber, Z.; Haller, E. E.; Walukiewicz, W.] Los Alamos Natl Lab, Div Mat Sci, Berkeley, CA USA.
[Miller, N.; Jones, R. E.; Haller, E. E.] Univ Calif Berkeley, Dept Mat Sci & Engn, Berkeley, CA USA.
[Williamson, T. L.; Hoffbauer, M. A.] Los Alamos Natl Lab, Div Chem, Los Alamos, NM USA.
RP Miller, N (reprint author), Los Alamos Natl Lab, Div Mat Sci, Berkeley, CA USA.
EM NateMiller@lbl.gov
RI Liliental-Weber, Zuzanna/H-8006-2012; Yu, Kin Man/J-1399-2012;
OI Yu, Kin Man/0000-0003-1350-9642; Ager, Joel/0000-0001-9334-9751
FU U.S. Department of Energy [DE-AC02-05CH11231]; Laboratory Directed
Research & Development Program
FX Work at LBNL 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 LANL was supported through the Laboratory Directed Research &
Development Program. NM and RJ acknowledge the U.S. Department of
Defence for NDSEG support.
NR 8
TC 12
Z9 12
U1 0
U2 4
PU WILEY-V C H VERLAG GMBH
PI WEINHEIM
PA PAPPELALLEE 3, W-69469 WEINHEIM, GERMANY
SN 1862-6351
J9 PHYS STATUS SOLIDI C
PY 2008
VL 5
IS 6
BP 1866
EP +
DI 10.1002/pssc.200778719
PG 2
WC Materials Science, Coatings & Films; Physics, Condensed Matter
SC Materials Science; Physics
GA BHV31
UT WOS:000256695700117
ER
PT S
AU Syrkin, A
Ivantsov, V
Kovalenkov, O
Usikov, A
Dmitriev, V
Liliental-Weber, Z
Reed, ML
Readinger, ED
Shen, H
Wraback, M
AF Syrkin, A.
Ivantsov, V.
Kovalenkov, O.
Usikov, A.
Dmitriev, V.
Liliental-Weber, Z.
Reed, M. L.
Readinger, E. D.
Shen, H.
Wraback, M.
BE Palacios, T
Jena, D
TI First all-HVPE grown InGaN/InGaN MQW LED structures for 460-510 nm
SO PHYSICA STATUS SOLIDI C - CURRENT TOPICS IN SOLID STATE PHYSICS, VOL 5,
NO 6
SE Physica Status Solidi C-Current Topics in Solid State Physics
LA English
DT Proceedings Paper
CT 7th International Conference on Nitride Semiconductors (ICNS-7)
CY SEP 16-21, 2007
CL Las Vegas, NV
SP Aixtron AG, Rohm & Hass Elect Mat LLC, Akzo Nobel High Pur Metalorgan, Cree Inc, IQE, Nitronex, RFMD, Seoul Semicond Co Ltd, Sony Corp, Toyoda Gosei Co Ltd, Kopin Corp, Mitsubishi Chem Corp, Nichia Corp, Taiyo Nippon Sanso Corp, Veeco Instruments, Air Prod & Chem, Osram Opto Semicond GmbH, SAFC Hitech
ID LIGHT-EMITTING-DIODES; GAN; LAYERS
AB In this paper we report - on first InGaN-based light emitting structures grown by hydride vapour phase epitaxy (HVPE). InGaN layers and multi layer InGaN/InGaN epitaxial structures were grown on GaN/sapphire template substrates and characterized, InN content in the InGaN layers was varied from 5 to 35 mol. %. Thickness of InGaN layers was controlled from 10 nm to 2 microns. Density of treading dislocations in the InGaN layers was estimated to be in the 109 cm(-2) range. X-ray diffraction measurements and transmission electron microscopy data confirmed a formation of InGaN/InGaN superlattice structures. Light emitting diode epitaxial wafers were fabricated by HVPE deposition of n-type InGaN layers and multi layer structures on p-type GaN template substrates. Depending on InN content in the InGAN light emitting regions, peak electroluminescence wavelength varied from 450 to 510 nm. Results of material characterization are reported. Advantages of the proposed upside down LED configuration and future applications of HVPE to grow InGaN layers and structures are discussed. (c) 2008 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
C1 [Syrkin, A.; Ivantsov, V.; Kovalenkov, O.; Usikov, A.; Dmitriev, V.] Technol & Devices Int Inc, Silver Spring, MD 20904 USA.
[Liliental-Weber, Z.] Lawrence Berkeley Natl Lab, Div Mat Sci, Berkeley, CA 94720 USA.
[Reed, M. L.; Readinger, E. D.; Shen, H.; Wraback, M.] US Army, Res Lab, Sensors & Elect Devices Directorate, Adelphi, MD 20783 USA.
RP Syrkin, A (reprint author), Technol & Devices Int Inc, Silver Spring, MD 20904 USA.
EM ASyrkin@tdii.com; AUsikov@tdii.com
RI Liliental-Weber, Zuzanna/H-8006-2012
FU US Departments of Defence, Comerce, and Energy (Solid State Lighting
Program)
FX Development of HVPE technology at TDI was partly supported by the US
Departments of Defence, Comerce, and Energy (Solid State Lighting
Program). The authors thank colleagues from Palo Alto Research Center
and Texas Tech University for fruitful help and discussion
NR 9
TC 4
Z9 4
U1 0
U2 10
PU WILEY-V C H VERLAG GMBH
PI WEINHEIM
PA PAPPELALLEE 3, W-69469 WEINHEIM, GERMANY
SN 1862-6351
J9 PHYS STATUS SOLIDI C
PY 2008
VL 5
IS 6
BP 2244
EP +
DI 10.1002/pssc.200778647
PG 2
WC Materials Science, Coatings & Films; Physics, Condensed Matter
SC Materials Science; Physics
GA BHV31
UT WOS:000256695700236
ER
PT S
AU Walsh, A
Wei, SH
AF Walsh, Aron
Wei, Su-Huai
BE Palacios, T
Jena, D
TI Filling the green gap: A first-principles study of the LiMg1-xZnxN alloy
SO PHYSICA STATUS SOLIDI C - CURRENT TOPICS IN SOLID STATE PHYSICS, VOL 5,
NO 6
SE Physica Status Solidi C-Current Topics in Solid State Physics
LA English
DT Proceedings Paper
CT 7th International Conference on Nitride Semiconductors (ICNS-7)
CY SEP 16-21, 2007
CL Las Vegas, NV
SP Aixtron AG, Rohm & Hass Elect Mat LLC, Akzo Nobel High Pur Metalorgan, Cree Inc, IQE, Nitronex, RFMD, Seoul Semicond Co Ltd, Sony Corp, Toyoda Gosei Co Ltd, Kopin Corp, Mitsubishi Chem Corp, Nichia Corp, Taiyo Nippon Sanso Corp, Veeco Instruments, Air Prod & Chem, Osram Opto Semicond GmbH, SAFC Hitech
ID FILLED TETRAHEDRAL SEMICONDUCTORS; TOTAL-ENERGY CALCULATIONS; WAVE
BASIS-SET; ELECTRONIC-PROPERTIES; BAND-GAP
AB The lack of an efficient emitter in the 500-600nm range is limiting the adoption of LEDs for indoor fighting applications. The degradation in performance of current InGaN alloys in this range is due to the large lattice mismatch between, InN and GaN and associated alloy phase instabilities. We propose and investigate, using first-principles methods, the electronic, structure of an alternative LiMg1-xZnxN alloy which his the potential to fill this gap. The small lattice mismatch between LiMgN and LiZnN, along with electronic band gaps spanning the visible range, make them, in principle, ideal, candidates for white LIED applications.
C1 [Walsh, Aron; Wei, Su-Huai] Natl Renewable Energy Lab, Golden, CO 80401 USA.
RP Walsh, A (reprint author), Natl Renewable Energy Lab, Golden, CO 80401 USA.
EM aron_walsh@nrel.gov
RI Walsh, Aron/A-7843-2008
OI Walsh, Aron/0000-0001-5460-7033
NR 19
TC 1
Z9 1
U1 0
U2 3
PU WILEY-V C H VERLAG GMBH
PI WEINHEIM
PA PAPPELALLEE 3, W-69469 WEINHEIM, GERMANY
SN 1862-6351
J9 PHYS STATUS SOLIDI C
PY 2008
VL 5
IS 6
BP 2326
EP 2328
DI 10.1002/pssc.200778404
PG 3
WC Materials Science, Coatings & Films; Physics, Condensed Matter
SC Materials Science; Physics
GA BHV31
UT WOS:000256695700261
ER
PT S
AU He, T
Liu, YD
Jiang, QW
Ren, Y
Wang, G
Wang, YD
Zhao, X
Zuo, L
AF He, T.
Liu, Y. D.
Jiang, Q. W.
Ren, Y.
Wang, G.
Wang, Y. D.
Zhao, X.
Zuo, L.
BE Niu, J
Liu, ZY
Jin, C
Zhou, G
TI The in-situ study on the micro-structural characters of IF steel at
early stage of recrystallization using high-energy X-ray
SO PHYSICAL AND NUMERICAL SIMULATION OF MATERIALS PROCESSING, PTS 1 AND 2
SE Materials Science Forum
LA English
DT Proceedings Paper
CT 5th International Conference on Physical and Numerical Simulation of
Material Processing (ICPNS 07)
CY OCT 23-27, 2007
CL Zhengzhou, PEOPLES R CHINA
SP Chinese Mech Engn Soc, Minerals, Met & Mat Soc, Japan Inst Met, Harbin Inst Technol, Zhengzhou Univ, Henan Polytech Univ, Zhongyuan Inst Technol
DE IF steel; texture; residual stress; recrystallization; high-energy
synchrotron X-ray
ID INTERSTITIAL-FREE STEEL; TEXTURES
AB High-energy synchrotron diffraction offers great potential for experimental study of recrystallization kinetics. A fine experimental design to study the recrystallization mechanism of Interstitial Free (IF) steel was implemented in this work. In-situ annealing process of cold-rolled IF steel with 80% reduction was observed using high-energy X-ray diffraction. Results show that, the diffraction intensity of {100} < 110 > and {112} < 110 > belong to a-fiber texture component decreased with the annealing temperature increased while {110} < 110 > did nearly not change and {111} < 112 > increased; the FMTH decreasing and d-space changing with annealing temperature increasing indicated that the residual stress relaxed completely during recovery.
C1 [He, T.; Liu, Y. D.; Wang, G.; Wang, Y. D.; Zhao, X.; Zuo, L.] Minist Educ, Key Lab Anisotropy & Texture Mat, Shenyang 110004, Peoples R China.
[Jiang, Q. W.] Anshan Iron & Steel Grp Corp, Factory Cold Rolling Silicon Steel, Anshan, Peoples R China.
[Ren, Y.] Argonne Natl Lab, X ray Sci Div, Argonne, IL 60439 USA.
RP He, T (reprint author), Minist Educ, Key Lab Anisotropy & Texture Mat, Shenyang 110004, Peoples R China.
EM YDLiu@mail.neu.edu.cn
FU National Nature Science Foundation of China [50231030]; NSFC [50671021];
Program for New Century Excellent Talents in University [NCET-06-0286]
FX The research is supported by the key project of National Nature Science
Foundation of China (Grant No. 50231030), NSFC (Grant No. 50671021) and
Program for New Century Excellent Talents in University (Grant No.
NCET-06-0286) .
NR 11
TC 0
Z9 0
U1 0
U2 1
PU TRANS TECH PUBLICATIONS LTD
PI DURNTEN-ZURICH
PA KREUZSTRASSE 10, 8635 DURNTEN-ZURICH, SWITZERLAND
SN 0255-5476
J9 MATER SCI FORUM
PY 2008
VL 575-578
BP 972
EP +
PN 1-2
PG 2
WC Materials Science, Multidisciplinary
SC Materials Science
GA BHV63
UT WOS:000256859700164
ER
PT J
AU Taatjes, CA
Hansen, N
Osborn, DL
Kohse-Hoinghaus, K
Cool, TA
Westmoreland, PR
AF Taatjes, Craig A.
Hansen, Nils
Osborn, David L.
Kohse-Hoeinghaus, Katharina
Cool, Terrill A.
Westmoreland, Phillip R.
TI "Imaging" combustion chemistry via multiplexed
synchrotron-photoionization mass spectrometry
SO PHYSICAL CHEMISTRY CHEMICAL PHYSICS
LA English
DT Review
ID HYDROCARBON GROWTH-PROCESSES; CHARGE COMPRESSION IGNITION; DIMETHYL
ETHER FLAMES; FUEL-RICH FLAMES; CROSS-SECTIONS; FREE-RADICALS;
CYCLOHEXANE OXIDATION; LOW-PRESSURE; FUNDAMENTAL CHEMISTRY;
ELECTRONIC-STRUCTURE
AB The combination of multiplexed mass spectrometry with photoionization by tunable-synchrotron radiation has proved to be a powerful tool to investigate elementary reaction kinetics and the chemistry of low-pressure flames. In both of these applications, multiple-mass detection and the ease of tunability of synchrotron radiation make it possible to acquire full sets of data as a function of mass, photon energy, and of the physical dimension of the system, e. g. distance from the burner or time after reaction initiation. The data are in essence an indirect image of the chemistry. The data can be quantitatively correlated and integrated along any of several dimensions to compare to traditional measurements such as time or distance profiles of individual chemical species, but it can also be directly interpreted in image form. This perspective offers an overview of flame chemistry and chemical kinetics measurements that combine tunable photoionization with multiple-mass detection, emphasizing the overall insight that can be gained from multidimensional data on these systems. The low-pressure flame apparatus is capable of providing isomer-resolved mass spectra of stable and radical species as a function of position in the flame. The overall chemical structure of the flames can be readily seen from images of the evolving mass spectrum as distance from the burner increases, with isomer-specific information given in images of the photoionization efficiency. Several flames are compared in this manner, with a focus on identification of global differences in fuel-decomposition and soot-formation pathways. Differences in the chemistry of flames of isomeric fuels can be discerned. The application of multiplexed synchrotron photoionization to elementary reaction kinetics permits identification of time-resolved isomeric composition in reacting systems. The power of this technique is illustrated by the separation of direct and dissociative ionization signals in the reaction of C2H5 with O-2; by the resolution of isomeric products in reactions of the ethynyl ( C2H) radical; and by preliminary observation of branching to methyl + propargyl products in the self-reaction of vinyl radicals. Finally, prospects for future research using multiplexed photoionization mass spectrometry are explored.
C1 [Taatjes, Craig A.; Hansen, Nils; Osborn, David L.] Sandia Natl Labs, Combust Res Facil, Livermore, CA 94551 USA.
[Kohse-Hoeinghaus, Katharina] Univ Bielefeld, Dept Chem, D-33615 Bielefeld, Germany.
[Cool, Terrill A.] Cornell Univ, Sch Appl & Engn Phys, Ithaca, NY 14853 USA.
[Westmoreland, Phillip R.] Univ Massachusetts, Dept Chem Engn, Amherst, MA 01003 USA.
RP Taatjes, CA (reprint author), Sandia Natl Labs, Combust Res Facil, Mail Stop 9055, Livermore, CA 94551 USA.
EM cataatj@sandia.gov
RI Osborn, David/A-2627-2009; Kohse-Hoinghaus, Katharina/A-3867-2012;
Hansen, Nils/G-3572-2012
NR 127
TC 109
Z9 112
U1 11
U2 57
PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 1463-9076
J9 PHYS CHEM CHEM PHYS
JI Phys. Chem. Chem. Phys.
PY 2008
VL 10
IS 1
BP 20
EP 34
DI 10.1039/b713460f
PG 15
WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical
SC Chemistry; Physics
GA 243CL
UT WOS:000251772400003
PM 18075680
ER
PT J
AU Sasaki, K
Zhang, L
Adzic, RR
AF Sasaki, K.
Zhang, L.
Adzic, R. R.
TI Niobium oxide-supported platinum ultra-low amount electrocatalysts for
oxygen reduction
SO PHYSICAL CHEMISTRY CHEMICAL PHYSICS
LA English
DT Article
ID RAY-ABSORPTION-SPECTROSCOPY; O-2 REDUCTION; FUEL-CELL; MONOLAYER
ELECTROCATALYSTS; KINETIC-PARAMETERS; CATALYSTS; SURFACE; ACID;
NANOPARTICLES; ELECTRODE
AB We demonstrate a new approach to synthesizing high-activity electrocatalysts for the O-2 reduction reaction with ultra low Pt content. The synthesis involves placing a small amount of Pt, the equivalent of a monolayer, on carbon-supported niobium oxide nanoparticles (NbO2 or Nb2O5). Rotating disk electrode measurements show that the Pt/NbO2/C electrocatalyst has three times higher Pt mass activity for the O-2 reduction reaction than a commercial Pt/C electrocatalyst. The observed high activity of the Pt deposit is attributed to the reduced OH adsorption caused by lateral repulsion between PtOH and oxide surface species. The new electrocatalyst also exhibits improved stability against Pt dissolution under a potential cycling regime ( 30 000 cycles from 0.6 V to 1.1 V). These findings demonstrate that niobium-oxide (NbO2) nanoparticles can be adequate supports for Pt and facilitate further reducing the noble metal content in electrocatalysts for the oxygen reduction reaction.
C1 [Sasaki, K.; Zhang, L.; Adzic, R. R.] Brookhaven Natl Lab, Ctr Funct Nanomat, Dept Chem, Upton, NY 11973 USA.
RP Adzic, RR (reprint author), Brookhaven Natl Lab, Ctr Funct Nanomat, Dept Chem, Upton, NY 11973 USA.
RI Zhang, Lihua/F-4502-2014
NR 46
TC 150
Z9 151
U1 8
U2 91
PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 1463-9076
J9 PHYS CHEM CHEM PHYS
JI Phys. Chem. Chem. Phys.
PY 2008
VL 10
IS 1
BP 159
EP 167
DI 10.1039/b709893f
PG 9
WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical
SC Chemistry; Physics
GA 243CL
UT WOS:000251772400018
PM 18075695
ER
PT J
AU Hammons, JA
Wang, W
Ilavsky, J
Pantoya, ML
Weeks, BL
Vaughn, MW
AF Hammons, Joshua A.
Wang, Wei
Ilavsky, Jan
Pantoya, Michelle L.
Weeks, Brandon L.
Vaughn, Mark W.
TI Small angle X-ray scattering analysis of the effect of cold compaction
of Al/MoO3 thermite composites
SO PHYSICAL CHEMISTRY CHEMICAL PHYSICS
LA English
DT Article
ID ALUMINUM NANOPOWDERS; NANOPARTICLES; OXIDATION; FRAGMENTATION;
COMBUSTION; DISPERSION; BEHAVIOR; SIZE
AB Nanothermites composed of aluminum and molybdenum trioxide (MoO3) have a high energy density and are attractive energetic materials. To enhance the surface contact between the spherical Al nanoparticles and the sheet-like MoO3 particles, the mixture can be cold-pressed into a pelleted composite. However, it was found that the burn rate of the pellets decreased as the density of the pellets increased, contrary to expectation. Ultra-small angle X-ray scattering (USAXS) data and scanning electron microscopy (SEM) were used to elucidate the internal structure of the Al nanoparticles, and nanoparticle aggregate in the composite. Results from both SEM imaging and USAXS analysis indicate that as the density of the pellet increased, a fraction of the Al nanoparticles are compressed into sintered aggregates. The sintered Al nanoparticles lost contrast after forming the larger aggregates and no longer scattered X-rays as individual particles. The sintered aggregates hinder the burn rate, since the Al nanoparticles that make them up can no longer diffuse freely as individual particles during combustion. Results suggest a qualitative relationship for the probability that nanoparticles will sinter, based on the particle sizes and the initial structure of their respective agglomerates, as characterized by the mass fractal dimension.
C1 [Hammons, Joshua A.; Wang, Wei; Weeks, Brandon L.; Vaughn, Mark W.] Texas Tech Univ, Dept Chem Engn, Lubbock, TX 79409 USA.
[Ilavsky, Jan] Argonne Natl Lab, Adv Photon Source, Argonne, IL 60439 USA.
[Pantoya, Michelle L.] Texas Tech Univ, Dept Mech Engn, Lubbock, TX 79409 USA.
RP Vaughn, MW (reprint author), Texas Tech Univ, Dept Chem Engn, Lubbock, TX 79409 USA.
EM vaughn@ttu.edu
RI Ilavsky, Jan/D-4521-2013; USAXS, APS/D-4198-2013; Weeks,
Brandon/P-6331-2014; Vaughn, Mark/I-7150-2015
OI Ilavsky, Jan/0000-0003-1982-8900; Weeks, Brandon/0000-0003-2552-4129;
Vaughn, Mark/0000-0002-2534-4497
NR 27
TC 2
Z9 2
U1 2
U2 15
PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 1463-9076
J9 PHYS CHEM CHEM PHYS
JI Phys. Chem. Chem. Phys.
PY 2008
VL 10
IS 1
BP 193
EP 199
DI 10.1039/b711456g
PG 7
WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical
SC Chemistry; Physics
GA 243CL
UT WOS:000251772400022
PM 18075699
ER
PT J
AU Zubarev, DY
Averkiev, BB
Zhai, HJ
Wang, LS
Boldyrev, AI
AF Zubarev, Dmitry Yu.
Averkiev, Boris B.
Zhai, Hua-Jin
Wang, Lai-Sheng
Boldyrev, Alexander I.
TI Aromaticity and antiaromaticity in transition-metal systems
SO PHYSICAL CHEMISTRY CHEMICAL PHYSICS
LA English
DT Article
ID D-ORBITAL AROMATICITY; SIGMA-AROMATICITY; SQUARE-PLANAR; RING-CURRENT;
1,3-DIMETALLABENZENE DERIVATIVES; ELECTRON DELOCALIZATION;
CRYSTAL-STRUCTURE; ALKALI-METAL; CLUSTERS; METALLABENZENES
AB Aromaticity is an important concept in chemistry primarily for organic compounds, but it has been extended to compounds containing transition-metal atoms. Recent findings of aromaticity and antiaromaticity in all- metal clusters have stimulated further research in describing the chemical bonding, structures and stability in transition-metal clusters and compounds on the basis of aromaticity and antiaromaticity, which are reviewed here. The presence of d-orbitals endows much more diverse chemistry, structure and chemical bonding to transition-metal clusters and compounds. One interesting feature is the existence of a new type of aromaticity-delta-aromaticity, in addition to sigma- and pi-aromaticity which are the only possible types for main-group compounds. Another striking characteristic in the chemical bonding of transition-metal systems is the multifold nature of aromaticity, antiaromaticity or even conflicting aromaticity. Separate sets of counting rules have been proposed for cyclic transition-metal systems to account for the three types of sigma-, pi- and delta-aromaticity/antiaromaticity. The diverse transition- metal clusters and compounds reviewed here indicate that multiple aromaticity and antiaromaticity may be much more common in chemistry than one would anticipate. It is hoped that the current review will stimulate interest in further understanding the structure and bonding, on the basis of aromaticity and antiaromaticity, of other known or unknown transition-metal systems, such as the active sites of enzymes or other biomolecules which contain transition-metal atoms and clusters.
C1 [Zhai, Hua-Jin; Wang, Lai-Sheng] Washington State Univ, Dept Phys, Richland, WA 99354 USA.
[Wang, Lai-Sheng] Pacific NW Natl Lab, Div Chem & Mat Sci, Richland, WA 99352 USA.
[Zubarev, Dmitry Yu.; Averkiev, Boris B.; Boldyrev, Alexander I.] Utah State Univ, Dept Chem & Biochem, Logan, UT 84322 USA.
RP Wang, LS (reprint author), Washington State Univ, Dept Phys, 2710 Univ Dr, Richland, WA 99354 USA.
EM ls.wang@pnl.gov; boldyrev@cc.usu.edu
RI Boldyrev, Alexander/C-5940-2009
OI Boldyrev, Alexander/0000-0002-8277-3669
NR 77
TC 106
Z9 106
U1 5
U2 28
PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 1463-9076
J9 PHYS CHEM CHEM PHYS
JI Phys. Chem. Chem. Phys.
PY 2008
VL 10
IS 2
BP 257
EP 267
DI 10.1039/b713646c
PG 11
WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical
SC Chemistry; Physics
GA 253YO
UT WOS:000252553700002
PM 18213412
ER
PT J
AU Hansen, N
Klippenstein, SJ
Westmoreland, PR
Kasper, T
Kohse-Hoinghaus, K
Wang, J
Cool, TA
AF Hansen, N.
Klippenstein, S. J.
Westmoreland, P. R.
Kasper, T.
Kohse-Hoeinghaus, K.
Wang, J.
Cool, T. A.
TI A combined ab initio and photoionization mass spectrometric study of
polyynes in fuel-rich flames
SO PHYSICAL CHEMISTRY CHEMICAL PHYSICS
LA English
DT Article
ID CARBON-CHAIN MOLECULES; SHOCK-TUBE PYROLYSIS; SOOT FORMATION;
THERMAL-DECOMPOSITION; LOW-PRESSURE; HYDROCARBON PYROLYSIS; DIAMOND
DEPOSITION; NANOTUBE FORMATION; REACTION-MECHANISM; ETHYNYL RADICALS
AB Polyynic structures in fuel-rich low-pressure flames are observed using VUV photoionization molecular-beam mass spectrometry. High-level ab initio calculations of ionization energies for C2nH2 (n = 1-5) and partially hydrogenated CnH4 (n = 7-8) polyynes are compared with photoionization e. ciency measurements in flames fuelled by allene, propyne, and cyclopentene. C2nH2 (n = 1-5) intermediates are unambiguously identified, while HC C-C C-CH = C = CH2, HC C-C C-C C-CH = CH2 (vinyltriacetylene) and HC C-C C-CH = CH-C CH are likely to contribute to the C7H4 and C8H4 signals. Mole fraction pro. les as a function of distance from the burner are presented. C7H4 and C8H4 isomers are likely to be formed by reactions of C2H and C4H radicals but other plausible formation pathways are also discussed. Heats of formation and ionization energies of several combustion intermediates have been determined for the first time.
C1 [Hansen, N.] Sandia Natl Labs, Combust Res Facil, Livermore, CA 94551 USA.
[Klippenstein, S. J.] Argonne Natl Lab, Div Chem, Argonne, IL 60439 USA.
[Westmoreland, P. R.] Univ Massachusetts, Dept Chem Engn, Amherst, MA 01003 USA.
[Kasper, T.; Kohse-Hoeinghaus, K.] Univ Bielefeld, Dept Chem, D-33615 Bielefeld, Germany.
[Wang, J.; Cool, T. A.] Cornell Univ, Sch Appl & Engn Phys, Ithaca, NY 14853 USA.
RP Hansen, N (reprint author), Sandia Natl Labs, Combust Res Facil, Livermore, CA 94551 USA.
EM nhansen@sandia.gov; sjk@anl.gov
RI Kohse-Hoinghaus, Katharina/A-3867-2012; Hansen, Nils/G-3572-2012;
Kasper, Tina/A-2975-2017;
OI Kasper, Tina/0000-0003-3993-5316; Klippenstein,
Stephen/0000-0001-6297-9187
NR 69
TC 39
Z9 41
U1 1
U2 29
PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 1463-9076
EI 1463-9084
J9 PHYS CHEM CHEM PHYS
JI Phys. Chem. Chem. Phys.
PY 2008
VL 10
IS 3
BP 366
EP 374
DI 10.1039/b711578d
PG 9
WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical
SC Chemistry; Physics
GA 247TV
UT WOS:000252106400003
PM 18174978
ER
PT J
AU Karagulian, F
Lea, AS
Dilbeck, CW
Finlayson-Pitts, BJ
AF Karagulian, Federico
Lea, A. Scott
Dilbeck, Christopher W.
Finlayson-Pitts, Barbara J.
TI A new mechanism for ozonolysis of unsaturated organics on solids:
phosphocholines on NaCl as a model for sea salt particles
SO PHYSICAL CHEMISTRY CHEMICAL PHYSICS
LA English
DT Article
ID GAS-PHASE REACTIONS; SELF-ASSEMBLED MONOLAYERS; FLIGHT
MASS-SPECTROMETRY; OH RADICAL FORMATION; AIR-WATER-INTERFACE;
AEROSOL-PARTICLES; INFRARED SPECTROMETRY; HYDROGEN-PEROXIDE; HUMID
CONDITIONS; FORMATION YIELDS
AB The ozonolysis of an approximately one monolayer film of 1-oleoyl-2-palmitoyl-sn-glycero-3-phosphocholine (OPPC) on NaCl was followed in real time using diffuse reflection infrared Fourier transform spectrometry (DRIFTS) at 23 degrees C. Matrix-assisted laser desorption/ionization (MALDI) mass spectrometry and Auger electron spectroscopy were used to confirm the identification of the products. Ozone concentrations ranged from 1.7 x 10(12) to 7.0 x 10(13) molecules cm(-3) (70 ppb to 2.8 ppm). Upon exposure to O-3, there was a loss of C=C accompanied by the formation of a strong band at similar to 1110 cm(-1) due to the formation of a stable secondary ozonide (1,2,4-trioxolane, SOZ). The yield of the SOZ was smaller when the reaction was carried out in the presence of water vapor at concentrations corresponding to relative humidities between 2 and 25%. The dependencies of the rate of SOZ formation on the concentrations of ozone and water vapor are consistent with the initial formation of a primary ozonide (1,2,3-trioxolane, POZ) that can react with O3 or H2O in competition with its thermal decomposition to a Criegee intermediate and aldehyde. Estimates were obtained for the rate constants for the POZ thermal decomposition and for its reactions with O3 and H2O, as well as for the initial reaction of O3 with OPPC. The SOZ decomposed upon photolysis in the actinic region generating aldehydes, carboxylic acids and anhydrides. These studies show that the primary ozonide has a sufficiently long lifetime when formed on a solid substrate that direct reactions with O3 and H2O can compete with its thermal decomposition. In dry polluted atmospheres, ozone-alkene reactions may lead in part to the formation of stable secondary ozonides whose chemistry, photochemistry and toxicity should be taken into account in models of such regions.
C1 [Karagulian, Federico; Dilbeck, Christopher W.; Finlayson-Pitts, Barbara J.] Univ Calif Irvine, Dept Chem, Irvine, CA 92697 USA.
[Lea, A. Scott] Pacific NW Natl Lab, WR Wiley Environm Sci Lab, Richland, WA 99352 USA.
RP Finlayson-Pitts, BJ (reprint author), Univ Calif Irvine, Dept Chem, Irvine, CA 92697 USA.
EM bjfinlay@uci.edu
NR 81
TC 30
Z9 30
U1 1
U2 19
PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 1463-9076
J9 PHYS CHEM CHEM PHYS
JI Phys. Chem. Chem. Phys.
PY 2008
VL 10
IS 4
BP 528
EP 541
DI 10.1039/b712715d
PG 14
WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical
SC Chemistry; Physics
GA 248YS
UT WOS:000252193800006
PM 18183314
ER
PT J
AU Zou, P
Strecker, KE
Ramirez-Serrano, J
Jusinski, LE
Taatjes, CA
Osborn, DL
AF Zou, Peng
Strecker, Kevin E.
Ramirez-Serrano, Jaime
Jusinski, Leonard E.
Taatjes, Craig A.
Osborn, David L.
TI Ultraviolet photodissociation of vinyl iodide: understanding the halogen
dependence of photodissociation mechanisms in vinyl halides
SO PHYSICAL CHEMISTRY CHEMICAL PHYSICS
LA English
DT Article
ID AB-INITIO CALCULATIONS; FOURIER-TRANSFORM SPECTROSCOPY; CORRELATED
MOLECULAR CALCULATIONS; BIMODAL ROTATIONAL DISTRIBUTION; ULTRAFAST
INTERNAL-CONVERSION; POTENTIAL-ENERGY SURFACE; 193 NM PHOTODISSOCIATION;
GAS-PHASE DECOMPOSITION; GAUSSIAN-BASIS SETS; MULTIPHOTON IONIZATION
AB The photodissociation of vinyl iodide has been investigated at several wavelengths between 193 and 266 nm using three techniques: time-resolved Fourier transform emission spectroscopy, multiple pass laser absorption spectroscopy, and velocity-mapped ion imaging. The only dissociation channel observed is C-I bond cleavage to produce C2H3 (v, N) + I (P-2(J)) at all wavelengths investigated. Unlike photodissociation of other vinyl halides (C2H3X, X = F, Cl, Br), in which the HX product channel is significant, no HI elimination is observed. The angular and translational energy distributions of I atoms indicate that atomic products arise solely from dissociation on excited states with negligible contribution from internal conversion to the ground state. We derive an upper limit on the C-I bond strength of D-0(C2H3-I) <= 65 kcal mol(-1). The ground-state potential-energy surface of vinyl iodide is explored by ab initio calculations. We present a model in which the highest occupied molecular orbital in vinyl halides has increasing X(np(perpendicular to)) non-bonding character with increasing halogen mass. This change leads to reduced torsional force around the C-C bond in the excited state. Because the ground-state energy is highest when the CH2 plane is perpendicular to the CHX plane, a reduced torsional force in the excited state correlates with a lower rate for internal conversion compared to excited-state C-X bond emission. This model explains the gradual change in photodissociation mechanisms of vinyl halides from the dominance of internal conversion in vinyl fluoride to the dominance of excited-state dissociation in vinyl iodide.
C1 [Zou, Peng; Strecker, Kevin E.; Ramirez-Serrano, Jaime; Jusinski, Leonard E.; Taatjes, Craig A.; Osborn, David L.] Sandia Natl Labs, Combust Res Facil, Livermore, CA 94551 USA.
RP Osborn, DL (reprint author), Sandia Natl Labs, Combust Res Facil, POB 969, Livermore, CA 94551 USA.
EM dlosbor@sandia.gov
RI Osborn, David/A-2627-2009
NR 95
TC 12
Z9 12
U1 3
U2 22
PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 1463-9076
EI 1463-9084
J9 PHYS CHEM CHEM PHYS
JI Phys. Chem. Chem. Phys.
PY 2008
VL 10
IS 5
BP 713
EP 728
DI 10.1039/b712117b
PG 16
WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical
SC Chemistry; Physics
GA 254CS
UT WOS:000252564600011
PM 19791455
ER
PT J
AU Ockwig, NW
Cygan, RT
Criscenti, LJ
Nenoff, TM
AF Ockwig, Nathan W.
Cygan, Randall T.
Criscenti, Louise J.
Nenoff, Tina M.
TI Molecular dynamics studies of nanoconfined water in clinoptilolite and
heulandite zeolites
SO PHYSICAL CHEMISTRY CHEMICAL PHYSICS
LA English
DT Article
ID INELASTIC NEUTRON-SCATTERING; SUPERCOOLED CONFINED WATER;
HYDROGEN-BONDED LIQUIDS; AB-INITIO CALCULATIONS; MESOSCOPIC CONFINEMENT;
INFRARED-SPECTROSCOPY; COMPUTER-SIMULATION; GLASS-TRANSITION;
CATION-EXCHANGE; HYDRATED IONS
AB The complete periodic series of alkali and alkaline earth cation variants ( Li+, Na+, K+, Rb+, Cs+, Mg2+, Ca2+, Sr2+, and Ba2+) of clinoptilolite ( Si : Al = 5) and heulandite ( Si : Al = 3.5) aluminosilicate zeolites are examined by large-scale molecular dynamics utilizing a flexible SPC water and aluminosilicate force field. Calculated hydration enthalpies, radial distribution functions, and ion coordination environments are used to describe the energetic and structural components of extra-framework species while power spectra are used to examine the intermolecular dynamics. These data are correlated to evaluate the impact of ion-zeolite, ion-water, and water-zeolite interactions on the behavior of nanoconfined water. Analysis of the correlated data clearly indicates that the charge density of extra-framework cations appears to have the greatest influence on librational motions, while the anionic charge of the framework (i. e. Si : Al ratios) has a lesser impact.
C1 [Ockwig, Nathan W.; Cygan, Randall T.; Criscenti, Louise J.] Sandia Natl Labs, Geochem Dept, Albuquerque, NM 87185 USA.
[Nenoff, Tina M.] Sandia Natl Labs, Surface & Interfaces Sci Dept, Albuquerque, NM 87185 USA.
RP Ockwig, NW (reprint author), Sandia Natl Labs, Geochem Dept, POB 5800, Albuquerque, NM 87185 USA.
EM nockwig@sandia.gov
NR 76
TC 19
Z9 19
U1 9
U2 33
PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 1463-9076
EI 1463-9084
J9 PHYS CHEM CHEM PHYS
JI Phys. Chem. Chem. Phys.
PY 2008
VL 10
IS 6
BP 800
EP 807
DI 10.1039/b711949f
PG 8
WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical
SC Chemistry; Physics
GA 257WW
UT WOS:000252830600004
PM 18231682
ER
PT J
AU Ohisa, M
Yamataka, H
Dupuis, M
Aida, M
AF Ohisa, Masayuki
Yamataka, Hiroshi
Dupuis, Michel
Aida, Misako
TI Two-dimensional free-energy surface on the exchange reaction of alkyl
chloride/chloride using the QM/MM-MC method
SO PHYSICAL CHEMISTRY CHEMICAL PHYSICS
LA English
DT Article
ID MIXED HAMILTONIAN MODEL; SOLVATED EXCITED-STATES; AQUEOUS-SOLUTION;
ELECTRONIC-STRUCTURE; SN2 REACTION; ION-PAIRS; WATER; POTENTIALS;
HYDRATION; ATOM
AB Two-dimensional free-energy surfaces are calculated for alkyl chloride/chloride exchange/inversion reactions: Cl- + RCl (R = Me and t-Bu) surrounded by one hundred H2O molecules as a model of solvent. The methodology of free-energy calculation by perturbation theory based on a mixed-Hamiltonian model (QM/MM) combined with Monte Carlo sampling of the solvent configurations was used to obtain the changes in solvation free energy. We devised a special procedure to analyze the two-dimensional free-energy surfaces to gain unique insight into the differences in the reaction mechanisms between the two systems. The inversion reaction path for R = t-Bu on the free-energy surface is found to proceed in an asynchronous way within a concerted framework via the ion-pair region. This is in contrast to the R = Me system that proceeds as a typical S(N)2 reaction.
C1 [Ohisa, Masayuki; Aida, Misako] Hiroshima Univ, Grad Sch Sci, Ctr Quantum Life Sci, Hiroshima 7398526, Japan.
[Ohisa, Masayuki; Aida, Misako] Hiroshima Univ, Grad Sch Sci, Dept Chem, Hiroshima 7398526, Japan.
[Yamataka, Hiroshi] Rikkyo Univ, Dept Chem, Coll Sci, Tokyo 171, Japan.
[Dupuis, Michel] Pacific NW Natl Lab, Richland, WA 99352 USA.
RP Aida, M (reprint author), Hiroshima Univ, Grad Sch Sci, Ctr Quantum Life Sci, Hiroshima 7398526, Japan.
EM maida@hiroshima-u.ac.jp
RI Aida, Misako/D-1670-2010
OI Aida, Misako/0000-0001-8788-1071
NR 21
TC 6
Z9 6
U1 3
U2 8
PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 1463-9076
J9 PHYS CHEM CHEM PHYS
JI Phys. Chem. Chem. Phys.
PY 2008
VL 10
IS 6
BP 844
EP 849
DI 10.1039/b712565h
PG 6
WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical
SC Chemistry; Physics
GA 257WW
UT WOS:000252830600009
PM 18231687
ER
PT J
AU Walser, ML
Desyaterik, Y
Laskin, J
Laskin, A
Nizkorodov, SA
AF Walser, Maggie L.
Desyaterik, Yury
Laskin, Julia
Laskin, Alexander
Nizkorodov, Sergey A.
TI High-resolution mass spectrometric analysis of secondary organic aerosol
produced by ozonation of limonene
SO PHYSICAL CHEMISTRY CHEMICAL PHYSICS
LA English
DT Article
ID ATLANTA SUPERSITE EXPERIMENT; OH RADICAL FORMATION; GAS-PHASE REACTIONS;
AIR-POLLUTION; BIOGENIC HYDROCARBONS; ATMOSPHERIC AEROSOLS;
CHEMICAL-COMPOSITION; MOLECULAR-WEIGHT; ALPHA-PINENE; OZONE
AB Chemical composition of secondary organic aerosol (SOA) formed from the ozone-initiated oxidation of limonene is characterized by high-resolution electrospray ionization mass spectrometry in both positive and negative ion modes. The mass spectra reveal a large number of both monomeric (m/z < 300) and oligomeric (m/z > 300) condensed products of oxidation. A combination of high resolving power (m/Delta m similar to 60000) and Kendrick mass defect analysis makes it possible to unambiguously determine the molecular composition of hundreds of individual compounds in SOA samples. Van Krevelen analysis shows that the SOA compounds are heavily oxidized, with average O:C ratios of 0.43 and 0.50 determined from the positive and negative ion mode spectra, respectively. A possible reaction mechanism for the formation of the first generation SOA molecular components is considered. The discussed mechanism includes known isomerization and addition reactions of the carbonyl oxide intermediates generated during the ozonation of limonene. In addition, it includes isomerization and decomposition pathways for alkoxy radicals resulting from unimolecular decomposition of carbonyl oxides that have been disregarded by previous studies. The isomerization reactions yield numerous products with a progressively increasing number of alcohol and carbonyl groups, whereas C-C bond scission reactions in alkoxy radicals shorten the carbon chain. Together these reactions yield a large number of isomeric products with broadly distributed masses. A qualitative agreement is found between the number and degree of oxidation of the predicted and measured reaction products in the monomer product range.
C1 [Walser, Maggie L.; Nizkorodov, Sergey A.] Univ Calif Irvine, Dept Chem, Irvine, CA 92617 USA.
[Desyaterik, Yury; Laskin, Alexander] Pacific NW Natl Lab, Environm Mol Sci Lab, Richland, WA 99354 USA.
[Laskin, Julia] Pacific NW Natl Lab, Div Chem & Mat Sci, Richland, WA 99354 USA.
RP Nizkorodov, SA (reprint author), Univ Calif Irvine, Dept Chem, Irvine, CA 92617 USA.
EM nikorod@uci.edu
RI Laskin, Julia/H-9974-2012; Laskin, Alexander/I-2574-2012; Nizkorodov,
Sergey/I-4120-2014
OI Laskin, Julia/0000-0002-4533-9644; Laskin,
Alexander/0000-0002-7836-8417; Nizkorodov, Sergey/0000-0003-0891-0052
NR 68
TC 74
Z9 74
U1 9
U2 64
PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 1463-9076
J9 PHYS CHEM CHEM PHYS
JI Phys. Chem. Chem. Phys.
PY 2008
VL 10
IS 7
BP 1009
EP 1022
DI 10.1039/b712620d
PG 14
WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical
SC Chemistry; Physics
GA 260MG
UT WOS:000253013800011
PM 18259641
ER
PT J
AU Laskin, J
Wang, P
Hadjar, O
AF Laskin, Julia
Wang, Peng
Hadjar, Omar
TI Soft-landing of peptide ions onto self-assembled monolayer surfaces: an
overview
SO PHYSICAL CHEMISTRY CHEMICAL PHYSICS
LA English
DT Article
ID RESONANCE MASS-SPECTROMETER; LOW-ENERGY COLLISIONS; THIN-FILM GROWTH;
CHEMICAL-MODIFICATION; POLYATOMIC IONS; INDUCED DISSOCIATION; COVALENT
IMMOBILIZATION; ION/SURFACE REACTIONS; PROTONATED PEPTIDES; REACTIVE
COLLISIONS
AB This review is focused on what has been learned in recent research studies concerned with fundamental aspects of soft-landing and reactive landing of peptide ions on self-assembled monolayer surfaces (SAMs). Peptide ions are particularly attractive model systems that provide important insights on the behavior of soft landed proteins, while SAMs provide a convenient and flexible platform for tailoring the interfacial properties of metals and semiconductor surfaces. Deposition of mass-selected ions on surfaces is accompanied by a number of processes including charge reduction, neutralization, covalent and non-covalent binding, and thermal desorption of ions and molecules from the substrate. Factors that affect the competition between these processes are discussed.
C1 [Laskin, Julia; Wang, Peng; Hadjar, Omar] Pacific NW Natl Lab, Fundamental Sci Div, Richland, WA 99352 USA.
RP Laskin, J (reprint author), Pacific NW Natl Lab, Fundamental Sci Div, POB 999,K8-88, Richland, WA 99352 USA.
EM Julia.Laskin@pnl.gov
RI Laskin, Julia/H-9974-2012
OI Laskin, Julia/0000-0002-4533-9644
NR 77
TC 76
Z9 77
U1 2
U2 26
PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 1463-9076
J9 PHYS CHEM CHEM PHYS
JI Phys. Chem. Chem. Phys.
PY 2008
VL 10
IS 8
BP 1079
EP 1090
DI 10.1039/b712710c
PG 12
WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical
SC Chemistry; Physics
GA 262FU
UT WOS:000253135200001
PM 18270607
ER
PT J
AU Groenewold, GS
Oomens, J
de Jong, WA
Gresham, GL
McIlwain, ME
Van Stipdonk, MJ
AF Groenewold, G. S.
Oomens, J.
de Jong, W. A.
Gresham, G. L.
McIlwain, M. E.
Van Stipdonk, M. J.
TI Vibrational spectroscopy of anionic nitrate complexes of UO22+ and Eu3+
isolated in the gas phase
SO PHYSICAL CHEMISTRY CHEMICAL PHYSICS
LA English
DT Article
ID ENERGY-ADJUSTED PSEUDOPOTENTIALS; COLLISION-INDUCED DISSOCIATION;
RESONANCE MASS-SPECTROMETRY; INFRARED-SPECTROSCOPY;
ELECTROSPRAY-IONIZATION; ARGON MATRIX; NITRIC-ACID; ABINITIO
PSEUDOPOTENTIALS; AQUEOUS-SOLUTION; PARAMETER SETS
AB Wavelength-selective infrared multiple photon photo-dissociation (IRMPD) was used to generate spectra of anionic nitrate complexes of UO22+ and Eu3+ in the mid-infrared region. Similar spectral patterns were observed for both species, including splitting of the antisymmetric O-N-O stretch into high and low frequency components with the magnitude of the splitting consistent with attachment of nitrate to a strong Lewis acid center. The frequencies measured for [UO2(NO3)(3)](-) were within a few cm(-1) of those measured in the condensed phase, the best agreement yet achieved for a comparison of IRMPD with condensed phase absorption spectra. In addition, experimentally-determined values were in good general agreement with those predicted by DFT calculations, especially for the antisymmetric UO2 stretch. The spectrum from the [UO2(NO3)(3)](-) was compared with that of [Eu(NO3)(4)](-), which showed that nitrate was bound more strongly to the Eu3+ metal center, consistent with its higher charge. The spectrum of a unique uranyl-oxo species having an elemental composition [UO9N2](-) was also acquired, that contained nitrate absorptions suggestive of a [UO2(NO3)(2)(O)](-) structure; the spectrum lacked bands indicative of nitrite and superoxide that would be indicative of an alternative [UO2(NO3)(NO2)(O-2)](-) structure.
C1 [Groenewold, G. S.; Gresham, G. L.; McIlwain, M. E.] Idaho Natl Lab, Idaho Falls, ID 83415 USA.
[Oomens, J.] FOM Inst Voor Plasmafys, Nieuwegein, Netherlands.
[de Jong, W. A.] Pacific NW Natl Lab, Richland, WA 99352 USA.
[Van Stipdonk, M. J.] Wichita State Univ, Wichita, KS USA.
RP Groenewold, GS (reprint author), Idaho Natl Lab, Idaho Falls, ID 83415 USA.
EM gary.groenewold@inl.gov; joso@rijnh.nl; bert.dejong@pnl.gov;
garold.gresham@inl.gov; michael.mcilwain@inl.gov;
mike.vanstipdonk@wichita.edu
RI DE JONG, WIBE/A-5443-2008; Oomens, Jos/F-9691-2015
OI DE JONG, WIBE/0000-0002-7114-8315;
NR 67
TC 34
Z9 34
U1 3
U2 19
PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 1463-9076
J9 PHYS CHEM CHEM PHYS
JI Phys. Chem. Chem. Phys.
PY 2008
VL 10
IS 8
BP 1192
EP 1202
DI 10.1039/b715337f
PG 11
WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical
SC Chemistry; Physics
GA 262FU
UT WOS:000253135200015
PM 18270621
ER
PT J
AU Garand, E
Goebbert, D
Santambrogio, G
Janssens, E
Lievens, P
Meijer, G
Neumark, DM
Asmis, KR
AF Garand, Etienne
Goebbert, Daniel
Santambrogio, Gabriele
Janssens, Ewald
Lievens, Peter
Meijer, Gerard
Neumark, Daniel M.
Asmis, Knut R.
TI Vibrational spectra of small silicon monoxide cluster cations measured
by infrared multiple photon dissociation spectroscopy
SO PHYSICAL CHEMISTRY CHEMICAL PHYSICS
LA English
DT Article
ID AB-INITIO CALCULATIONS; OXIDE CLUSTERS; GAS-PHASE; NANOPARTICLES;
NANOWIRES; ENVIRONMENTS; GROWTH; SI3O3; SI2O2; DUST
AB The first gas-phase infrared spectra of silicon monoxide cations (SiO)(n)(+), n = 3-5, using multiple photon dissociation in the 550-1250 cm(-1) frequency range, are reported. All clusters studied here fragment via loss of a neutral SiO unit. The experimental spectra are compared to simulated linear absorption spectra from calculated low energy isomers for each cluster. This analysis indicates that a "ring'' isomer is the primary contributor to the (SiO)(3)(+) spectrum, that the (SiO)(4)(+) spectrum results from two close-lying bicyclic ring isomers, and that the (SiO)(5)(+) spectrum is from a bicyclic ring with a central, fourfold-coordinated Si atom. Experiment and theory indicate that the energies and energetic orderings of (SiO)(n)(+) isomers differ from those for neutral (SiO)(n) clusters.
C1 [Garand, Etienne; Neumark, Daniel M.] Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA.
[Goebbert, Daniel; Meijer, Gerard; Asmis, Knut R.] Max Planck Gesell, Fritz Haber Inst, D-14195 Berlin, Germany.
[Santambrogio, Gabriele] Free Univ Berlin, Inst Expt Phys, D-14195 Berlin, Germany.
[Janssens, Ewald] Katholieke Univ Leuven, Lab Solid State Phys & Magnetism, B-3001 Louvain, Belgium.
[Janssens, Ewald] Katholieke Univ Leuven, Inst Nanoscale Phys & Chem, B-3001 Louvain, Belgium.
[Neumark, Daniel M.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Div Chem Sci, Berkeley, CA 94720 USA.
RP Neumark, DM (reprint author), Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA.
EM dneumark@berkeley.edu; asmis@fhi-berlin.mpg.de
RI Neumark, Daniel/B-9551-2009; Meijer, Gerard/D-2141-2009; Santambrogio,
Gabriele/B-1357-2009; Asmis, Knut/N-5408-2014;
OI Neumark, Daniel/0000-0002-3762-9473; Santambrogio,
Gabriele/0000-0001-5932-7049; Asmis, Knut/0000-0001-6297-5856; Lievens,
Peter/0000-0001-6570-0559; Janssens, Ewald/0000-0002-5945-1194; Garand,
Etienne/0000-0001-5062-5453
NR 26
TC 13
Z9 13
U1 1
U2 18
PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 1463-9076
J9 PHYS CHEM CHEM PHYS
JI Phys. Chem. Chem. Phys.
PY 2008
VL 10
IS 11
BP 1502
EP 1506
DI 10.1039/b716627c
PG 5
WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical
SC Chemistry; Physics
GA 271AL
UT WOS:000253761200002
PM 18327305
ER
PT J
AU Wang, P
Hadjar, O
Gassman, PL
Laskin, J
AF Wang, Peng
Hadjar, Omar
Gassman, Paul L.
Laskin, Julia
TI Reactive landing of peptide ions on self-assembled monolayer surfaces:
an alternative approach for covalent immobilization of peptides on
surfaces
SO PHYSICAL CHEMISTRY CHEMICAL PHYSICS
LA English
DT Article
ID RESONANCE MASS-SPECTROMETER; POLYATOMIC IONS; INDUCED DISSOCIATION;
PREPARATIVE SOFT; CELL-ADHESION; COLLISIONS; ESTER; BIOMOLECULES;
INSTRUMENT; ACTIVATION
AB Soft landing of mass-selected peptide ions onto reactive self-assembled monolayer surfaces (SAMs) was performed using a newly constructed ion deposition apparatus. SAM surfaces before and after soft landing were characterized ex situ using time-of-flight secondary-ion mass spectrometry (TOF-SIMS) and infrared reflection-absorption spectroscopy (IRRAS). We demonstrate that reactive landing (RL) results in efficient covalent linking of lysine-containing peptides onto the SAM of N-hydroxysuccinimidyl ester-terminated alkylthiol on gold (NHS-SAM). Systematic studies of the factors that affect the efficiency of RL revealed that the reaction takes place upon collision and is promoted by the kinetic energy of the ion. The efficiency of RL is maximized at ca. 40 eV collision energy. At high collision energies the RL efficiency decreases because of the competition with scattering of ions of the surface. The reaction yield is independent of the charge state of the projectile ions, suggesting that peptide ions undergo efficient neutralization upon collision. Chemical and physical properties of the SAM surface are also important factors that affect the outcome of RL. The presence of chemically reactive functional groups on the SAM surface significantly improves the reaction efficiency. RL of mass- and energy-selected peptide ions on surfaces provides a highly specific approach for covalent immobilization of biological molecules onto SAM surfaces.
C1 [Laskin, Julia] Pacific NW Natl Lab, Fundamental Sci Div, Richland, WA 99352 USA.
[Wang, Peng; Hadjar, Omar; Gassman, Paul L.] Pacific NW Natl Lab, Fundamental Sci Directorate, Richland, WA 99352 USA.
RP Laskin, J (reprint author), Pacific NW Natl Lab, Fundamental Sci Div, Richland, WA 99352 USA.
EM Julia.Laskin@pnl.gov
RI Laskin, Julia/H-9974-2012
OI Laskin, Julia/0000-0002-4533-9644
NR 47
TC 56
Z9 56
U1 1
U2 17
PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 1463-9076
J9 PHYS CHEM CHEM PHYS
JI Phys. Chem. Chem. Phys.
PY 2008
VL 10
IS 11
BP 1512
EP 1522
DI 10.1039/b717617a
PG 11
WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical
SC Chemistry; Physics
GA 271AL
UT WOS:000253761200004
PM 18327307
ER
PT J
AU Furuhama, A
Dupuis, M
Hirao, K
AF Furuhama, Ayako
Dupuis, Michel
Hirao, Kimihiko
TI Application of a kinetic energy partitioning scheme for ab initio
molecular dynamics to reactions associated with ionization in water
tetramers
SO PHYSICAL CHEMISTRY CHEMICAL PHYSICS
LA English
DT Article
ID FOURIER-TRANSFORM ANALYSIS; VIBRATIONAL-SPECTRA; LIQUID WATER; ATOMIC
FLUCTUATIONS; COLLISION REACTION; 1ST-ROW ELEMENTS; BASIS-SETS;
CLUSTERS; SIMULATION; REARRANGEMENT
AB We analyze the short- time dynamics of ' cyclic' and ' branched' water tetramers after an ionization event, with the aid of a scheme that partitions the kinetic energy of a solute plus solvent system into separate solute and solvent ( or bath) contributions, using instantaneous internal coordinates and atomic velocities. The analysis supports the partitioning of the tetrameric systems into two subsystems, a ' reactive trimer' and a ' solvent' molecule. The partitioned kinetic energy exhibits two features, a broad peak assigned to the interaction between the two sub- systems and a sharper peak arising from the proton transfer that occurs upon ionization. It is found that the stability of the hydroxyl radical formed upon ionization is sensitive to the configuration of the water molecules around the ionized water at the moment of the ionization event.
C1 [Furuhama, Ayako] Univ Tokyo, Dept Appl Chem, Sch Engn, Tokyo 1138656, Japan.
[Furuhama, Ayako; Dupuis, Michel] Pacific NW Natl Lab, Div Chem Sci, Richland, WA 99352 USA.
[Hirao, Kimihiko] Japan Sci & Technol Agcy, CREST, Kawaguchi, Saitama 3320012, Japan.
RP Furuhama, A (reprint author), Univ Tokyo, Dept Appl Chem, Sch Engn, Tokyo 1138656, Japan.
RI Hirao, Kimihiko/N-5483-2015
NR 40
TC 17
Z9 17
U1 1
U2 7
PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 1463-9076
J9 PHYS CHEM CHEM PHYS
JI Phys. Chem. Chem. Phys.
PY 2008
VL 10
IS 15
BP 2033
EP 2042
DI 10.1039/b713456h
PG 10
WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical
SC Chemistry; Physics
GA 283KJ
UT WOS:000254634800006
PM 18688356
ER
PT J
AU Huang, JS
Kingsbury, S
Kertesz, M
AF Huang, Jingsong
Kingsbury, Stephanie
Kertesz, Miklos
TI Crystal packing of TCNQ anion pi-radicals governed by intermolecular
covalent pi-pi bonding: DFT calculations and statistical analysis of
crystal structures
SO PHYSICAL CHEMISTRY CHEMICAL PHYSICS
LA English
DT Article
ID ELECTRONIC-STRUCTURE; CORRELATION-ENERGY; TRANSFER INTEGRALS;
CHARGE-TRANSPORT; DIMERS; TETRACYANOQUINODIMETHANE; BIPHENALENYL;
DENSITY; DIMERIZATION; FLUCTUATIONS
AB On the basis of a thorough Cambridge Structural Database survey, we present a statistical analysis of the packing of TCNQ anion pi-radicals in TCNQ charge transfer salts, which reveals three packing motifs between neighboring TCNQs: one with a zero longitudinal offset and an approximate 1 angstrom transversal offset, another with an approximate 2 angstrom longitudinal offset and zero transversal offset, and the third with a relatively long sigma-bond in the length of r = 1.6-1.7 angstrom connecting two TCNQ fragments. Along with the statistical analysis of the crystal structures, we also present density functional theory calculations of the total energy, covalent pi-pi bonding interaction energy, and Coulombic repulsion energy for the [TCNQ](2)(2-) pi-dimers with various packing geometries. We find that the interactions between TCNQ anion pi-radicals include contributions from intermolecular covalent pi-pi bonding interaction and local dipole repulsions, in addition to Coulombic repulsion, van der Waals and the attractive electrostatic forces between counter-cations and TCNQ anions pointed out recently by other groups for TCNE anion radicals. We describe an approximate formula for intermolecular interaction energy, E(int) = E(coul) + E(bond) + E(vdW), for systems in vacuum, while in the solid state Ecoul is compensated by the attractive electrostatic forces between counter-cations and TCNQ anions. We conclude that the crystal packing of TCNQ molecules in their charge transfer salts is predominantly determined by the intermolecular covalent pi-pi bonding term, E(bond).
C1 [Huang, Jingsong; Kertesz, Miklos] Georgetown Univ, Dept Chem, Washington, DC 20057 USA.
[Kingsbury, Stephanie] Carthage Coll, Dept Chem, Kenosha, WI 53140 USA.
RP Huang, JS (reprint author), Oak Ridge Natl Lab, Bethel Valley Rd, Oak Ridge, TN 37831 USA.
EM huangj3@ornl.gov; kertesz@georgetown.edu
RI Huang, Jingsong/A-2789-2008; Kertesz, Miklos/E-7122-2010
OI Huang, Jingsong/0000-0001-8993-2506; Kertesz, Miklos/0000-0002-7930-3260
NR 52
TC 37
Z9 38
U1 3
U2 23
PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 1463-9076
J9 PHYS CHEM CHEM PHYS
JI Phys. Chem. Chem. Phys.
PY 2008
VL 10
IS 19
BP 2625
EP 2635
DI 10.1039/b717752f
PG 11
WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical
SC Chemistry; Physics
GA 299ES
UT WOS:000255739200006
PM 18464977
ER
PT J
AU Yu, Y
Ezell, MJ
Zelenyuk, A
Imre, D
Alexander, L
Ortega, J
Thomas, JL
Gogna, K
Tobias, DJ
D'Anna, B
Harmon, CW
Johnson, SN
Finlayson-Pitts, BJ
AF Yu, Yong
Ezell, Michael J.
Zelenyuk, Alla
Imre, Dan
Alexander, Liz
Ortega, John
Thomas, Jennie L.
Gogna, Karun
Tobias, Douglas J.
D'Anna, Barbara
Harmon, Chris W.
Johnson, Stanley N.
Finlayson-Pitts, Barbara J.
TI Nitrate ion photochemistry at interfaces: a new mechanism for oxidation
of alpha-pinene
SO PHYSICAL CHEMISTRY CHEMICAL PHYSICS
LA English
DT Review
ID SECONDARY ORGANIC AEROSOL; REACTION-MASS-SPECTROMETRY; LIQUID-VAPOR
INTERFACE; GAS-PHASE REACTIONS; MOLECULAR-DYNAMICS SIMULATIONS;
OH-INITIATED OXIDATION; PARTICLE MESH EWALD; BETA-PINENE; PTR-MS;
PARTICULATE PRODUCTS
AB The photooxidation of 0.6-0.9 ppm alpha-pinene in the presence of a deliquesced thin film of NaNO3, and for comparison increasing concentrations of NO2, was studied in a 100 L Teflon (R) chamber at relative humidities from 72-88% and temperatures from 296-304 K. The loss of alpha-pinene and the formation of gaseous products were followed with time using proton transfer mass spectrometry. The yields of gas phase products were smaller in the NaNO3 experiments than in NO2 experiments. In addition, pinonic acid, pinic acid, trans-sobrerol and other unidentifed products were detected in the extracts of the wall washings only for the NaNO3 photolysis. These data indicate enhanced loss of alpha-pinene at the NaNO3 thin film during photolysis. Supporting the experimental results are molecular dynamics simulations which predict that alpha-pinene has an affinity for the surface of the deliquesced nitrate thin film, enhancing the opportunity for oxidation of the impinging organic gas during the nitrate photolysis. This new mechanism of oxidation of organics may be partially responsible for the correlation between nitrate and the organic component of particles observed in many field studies, and may also contribute to the missing source of SOA needed to reconcile model predictions and field measurements. In addition, photolysis of nitrate on surfaces in the boundary layer may lead to oxidation of co-adsorbed organics.
C1 [Yu, Yong; Ezell, Michael J.; Thomas, Jennie L.; Gogna, Karun; Tobias, Douglas J.; D'Anna, Barbara; Harmon, Chris W.; Johnson, Stanley N.; Finlayson-Pitts, Barbara J.] Univ Calif Irvine, Dept Chem, Irvine, CA 92697 USA.
[Zelenyuk, Alla; Alexander, Liz; Ortega, John] Pacific NW Natl Lab, Environm Mol Sci Lab, Richland, WA 99354 USA.
[Imre, Dan] Imre Consulting, Richland, WA 99352 USA.
RP Finlayson-Pitts, BJ (reprint author), Univ Calif Irvine, Dept Chem, Irvine, CA 92697 USA.
EM bjfinlay@uci.edu
RI Yu, Yong/G-6445-2010; Tobias, Douglas/B-6799-2015
NR 110
TC 22
Z9 22
U1 2
U2 37
PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 1463-9076
EI 1463-9084
J9 PHYS CHEM CHEM PHYS
JI Phys. Chem. Chem. Phys.
PY 2008
VL 10
IS 21
BP 3063
EP 3071
DI 10.1039/b719495a
PG 9
WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical
SC Chemistry; Physics
GA 304JY
UT WOS:000256107000004
PM 18688369
ER
PT J
AU Starr, DE
Wong, EK
Worsnop, DR
Wilson, KR
Bluhm, H
AF Starr, David E.
Wong, Ed K.
Worsnop, Douglas R.
Wilson, Kevin R.
Bluhm, Hendrik
TI A combined droplet train and ambient pressure photoemission spectrometer
for the investigation of liquid/vapor interfaces
SO PHYSICAL CHEMISTRY CHEMICAL PHYSICS
LA English
DT Article
ID FREQUENCY VIBRATIONAL SPECTROSCOPY; RAY PHOTOELECTRON-SPECTROSCOPY;
ELECTRON-SPECTROSCOPY; VAPOR INTERFACE; TEMPERATURE-DEPENDENCE; MASS
ACCOMMODATION; MOLECULAR-DYNAMICS; FORCE MICROSCOPY; AQUEOUS-SOLUTION;
SURFACE-TENSION
AB We describe a combined ambient pressure photoelectron spectroscopy/droplet train apparatus for investigating the nature and heterogeneous chemistry of liquid/vapor interfaces. In this instrument a liquid droplet train with typical droplet diameters from 50-150 mu m is produced by a vibrating orifice aerosol generator (VOAG). The droplets are irradiated by soft X-rays (100-1500 eV) in front of the entrance aperture of a differentially pumped electrostatic lens system that transfers the emitted electrons into a conventional hemispherical electron analyzer. The photoemission experiments are performed at background pressures of up to several Torr, which allows the study of environmentally important liquid/vapor interfaces, in particular aqueous solutions, under equilibrium conditions. The exposure time of the droplet surface to the background gases prior to the XPS measurement can be varied, which will allow future kinetic measurements of gas uptake on liquid surfaces. As an example, a measurement of the surface composition of a chi = 0.21 aqueous methanol solution is presented. The concentration of methanol at the vapor/liquid interface is enhanced by a factor of about 3 over the bulk value, while the expected bulk value is recovered at depths larger than about 1.5 nm.
C1 [Starr, David E.; Wilson, Kevin R.; Bluhm, Hendrik] Lawrence Berkeley Natl Lab, Div Chem Sci, Berkeley, CA 94720 USA.
[Worsnop, Douglas R.] Aerodyne Res Inc, Billerica, MA 01821 USA.
RP Starr, DE (reprint author), Brookhaven Natl Lab, Ctr Funct Nanomat, Upton, NY 11973 USA.
EM hbluhm@lbl.gov
RI Worsnop, Douglas/D-2817-2009
OI Worsnop, Douglas/0000-0002-8928-8017
NR 49
TC 28
Z9 28
U1 5
U2 38
PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 1463-9076
J9 PHYS CHEM CHEM PHYS
JI Phys. Chem. Chem. Phys.
PY 2008
VL 10
IS 21
BP 3093
EP 3098
DI 10.1039/b800717a
PG 6
WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical
SC Chemistry; Physics
GA 304JY
UT WOS:000256107000008
PM 18688373
ER
PT J
AU Mul, G
Wasylenko, W
Hamdy, MS
Frei, H
AF Mul, Guido
Wasylenko, Walter
Hamdy, M. Sameh
Frei, Heinz
TI Cyclohexene photo-oxidation over vanadia catalyst analyzed by time
resolved ATR-FT-IR spectroscopy
SO PHYSICAL CHEMISTRY CHEMICAL PHYSICS
LA English
DT Article
ID MESOPOROUS SILICA; LIQUID-PHASE; OXIDATION; EPOXIDATION; STABILITY;
TITANIUM; PROPANE; TUD-1; WATER; OXIDE
AB Vanadia was incorporated in the 3-D mesoporous material TUD-1 with a loading of 2% w/w vanadia. The performance in the selective photo-oxidation of liquid cyclohexene was investigated using ATR-FT-IR spectroscopy. Under continuous illumination at 458 nm a significant amount of product, i.e. cyclohexenone, was identified. This demonstrates for the first time that hydroxylated vanadia centers in mesoporous materials can be activated by visible light to induce oxidation reactions. Using the rapid scan method, a strong perturbation of the vanadyl environment could be observed in the selective oxidation process induced by a 458 nm laser pulse of 480 ms duration. This is proposed to be caused by interaction of the catalytic centre with a cyclohexenyl hydroperoxide intermediate. The restoration of the vanadyl environment could be kinetically correlated to the rate of formation of cyclohexenone, and is explained by molecular rearrangement and dissociation of the peroxide to ketone and water. The ketone diffuses away from the active center and ATR infrared probing zone, resulting in a decreasing ketone signal on the tens of seconds time-scale after initiation of the photoreaction. This study demonstrates the high potential of time resolved ATR FT-IR spectroscopy for mechanistic studies of liquid phase reactions by not only monitoring intermediates and products, but also by correlating the temporal behavior of these species to molecular changes of the vanadyl catalytic site.
C1 [Mul, Guido; Hamdy, M. Sameh] Tech Univ Delft, NL-2628 BL Delft, Netherlands.
[Wasylenko, Walter; Frei, Heinz] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Phys Biosci Div, Berkeley, CA 94720 USA.
RP Mul, G (reprint author), Tech Univ Delft, Julianalaan 136, NL-2628 BL Delft, Netherlands.
RI Group, CE/C-3853-2009
NR 24
TC 14
Z9 14
U1 3
U2 23
PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 1463-9076
J9 PHYS CHEM CHEM PHYS
JI Phys. Chem. Chem. Phys.
PY 2008
VL 10
IS 21
BP 3131
EP 3137
DI 10.1039/b800314a
PG 7
WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical
SC Chemistry; Physics
GA 304JY
UT WOS:000256107000013
PM 18688378
ER
PT J
AU Braams, BJ
Yu, HG
AF Braams, Bastiaan J.
Yu, Hua-Gen
TI Potential energy surface and quantum dynamics study of rovibrational
states for HO(3) (X(2) A '')
SO PHYSICAL CHEMISTRY CHEMICAL PHYSICS
LA English
DT Article
ID INFRARED ACTION SPECTROSCOPY; ALKYL HYDROTRIOXIDES ROOOH; HYDROGEN
TRIOXIDE HOOOH; AB-INITIO; TETRAATOMIC MOLECULES; RATE CONSTANTS;
RADICALS; WATER; MECHANISM; OZONATION
AB An analytic potential energy surface has been constructed by fitting to about 28 thousand energy points for the electronic ground-state (X(2) A '') of HO(3). The energy points are calculated using a hybrid density functional HCTH and a large basis set aug-cc-pVTZ, i.e., a HCTH/aug-cc-pVTZ density functional theory (DFT) method. The DFT calculations show that the trans-HO(3) isomer is the global minimum with a potential well depth of 9.94 kcal mol(-1) with respect to the OH + O(2) asymptote. The equilibrium geometry of the cis-HO(3) conformer is located 1.08 kcal mol(-1) above that of the trans-HO(3) one with an isomerization barrier of 2.41 kcal mol(-1) from trans- to cis-HO(3). By using this surface, a rigorous qu'antum dynamics (QD) study has been carried out for computing the rovibrational energy levels of HO(3). The calculated results determine a dissociation energy of 6.15 kcal mol(-1), which is in excellent agreement with the experimental value of Lester et al.
C1 [Braams, Bastiaan J.] Emory Univ, Dept Math & Comp Sci, Atlanta, GA 30322 USA.
[Yu, Hua-Gen] Brookhaven Natl Lab, Dept Chem, Upton, NY 11973 USA.
RP Braams, BJ (reprint author), Emory Univ, Dept Math & Comp Sci, Atlanta, GA 30322 USA.
EM braams@maths.emory.edu; hgy@bnl.gov
RI Braams, Bastiaan/E-7687-2011; Yu, Hua-Gen/N-7339-2015
OI Braams, Bastiaan/0000-0003-4086-9969;
NR 48
TC 22
Z9 22
U1 1
U2 10
PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 1463-9076
J9 PHYS CHEM CHEM PHYS
JI Phys. Chem. Chem. Phys.
PY 2008
VL 10
IS 21
BP 3150
EP 3155
DI 10.1039/b801928b
PG 6
WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical
SC Chemistry; Physics
GA 304JY
UT WOS:000256107000014
PM 18688380
ER
PT J
AU Van Stipdonk, MJ
Kerstetter, DR
Leavitt, CM
Groenewold, GS
Steill, J
Oomens, J
AF Van Stipdonk, Michael J.
Kerstetter, Dale R.
Leavitt, Christopher M.
Groenewold, Gary S.
Steill, Jeffrey
Oomens, Jos
TI Spectroscopic investigation of H atom transfer in a gas-phase
dissociation reaction: McLafferty rearrangement of model gas-phase
peptide ions
SO PHYSICAL CHEMISTRY CHEMICAL PHYSICS
LA English
DT Article
ID COLLISION-INDUCED DISSOCIATION; TANDEM MASS-SPECTROMETRY; MAIN
FRAGMENTATION PATHWAYS; PROTONATED PEPTIDES; AMINO-ACIDS; INTRAMOLECULAR
MIGRATION; AMIDE HYDROGENS; ELECTROSPRAY-IONIZATION;
INFRARED-SPECTROSCOPY; METHYL-ESTERS
AB Wavelength-selective infrared multiple-photon photodissociation (WS-IRMPD) was used to study isotopically-labeled ions generated by McLafferty rearrangement of nicotinyl-glycine-tert-butyl ester and betaine-glycine-tert-butyl ester. The tert-butyl esters were incubated in a mixture of D(2)O and CH(3)OD to induce solution-phase hydrogen-deuterium exchange and then converted to gas-phase ions using electrospray ionization. McLafferty rearrangement was used to generate the free-acid forms of the respective model peptides through transfer of an H atom and elimination of butene. The specific aim was to use vibrational spectra generated by WS-IRMPD to determine whether the H atom remains at the acid group, or migrates to one or more of the other exchangeable sites. Comparison of the IRMPD results in the region from 1200-1900 cm(-1) to theoretical spectra for different isotopically-labeled isomers clearly shows that the H atom is situated at the C-terminal acid group and migration to amide positions is negligible on the time scale of the experiment. The results of this study suggest that use of the McLafferty rearrangement for peptide esters could be an effective approach for generation of H-atom isotope tracers, in situ, for subsequent investigation of intramolecular proton migration during peptide fragmentation studies.
C1 [Van Stipdonk, Michael J.; Kerstetter, Dale R.; Leavitt, Christopher M.] Wichita State Univ, Wichita, KS 67260 USA.
[Groenewold, Gary S.] Idaho Natl Lab, Idaho Falls, ID 83415 USA.
[Steill, Jeffrey; Oomens, Jos] EURATOM, FOM, Inst Plasmafys, Nieuwegein, Netherlands.
RP Van Stipdonk, MJ (reprint author), Wichita State Univ, Wichita, KS 67260 USA.
EM mike.vanstipdonk@wichita.edu; gary.groenewold@inl.gov
RI Oomens, Jos/F-9691-2015
NR 72
TC 10
Z9 10
U1 3
U2 16
PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 1463-9076
J9 PHYS CHEM CHEM PHYS
JI Phys. Chem. Chem. Phys.
PY 2008
VL 10
IS 22
BP 3209
EP 3221
DI 10.1039/b802314j
PG 13
WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical
SC Chemistry; Physics
GA 304MX
UT WOS:000256114700004
PM 18500397
ER
PT J
AU Strasser, P
Koha, S
Greeley, J
AF Strasser, Peter
Koha, Shirlaine
Greeley, Jeff
TI Voltammetric surface dealloying of Pt bimetallic nanoparticles: an
experimental and DFT computational analysis
SO PHYSICAL CHEMISTRY CHEMICAL PHYSICS
LA English
DT Article
ID PLATINUM-MONOLAYER ELECTROCATALYSTS; OXYGEN REDUCTION REACTION;
ELECTROLYTE FUEL-CELLS; ALLOY CATALYSTS; DISK ELECTRODE; MORPHOLOGICAL
CHARACTERIZATION; UNDERPOTENTIAL DEPOSITION; SELECTIVE DISSOLUTION;
BINARY-ALLOYS; METAL ALLOYS
AB Voltammetric dealloying of bimetallic platinum-copper (Pt-Cu) alloys has been shown to be an effective strategy to modify the surface electrocatalytic reactivity of Pt bimetallic nanoparticles (S. Koh and P. Strasser, J. Am. Chem. Soc., 2007, 129, 12624). Using cyclic voltammetry and structural XRD studies, we systematically characterize the Pt-Cu precursor compounds as well as the early stages of the selective Cu surface dissolution (dealloying) process for Pt(25)Cu(75), Pt(50)Cu(50), and Pt(75)Cu(25) alloy nanoparticles annealed at both low and high temperature. We also assess the impact of the synthesis conditions on the electrocatalytic reactivity for the oxygen reduction reaction (ORR). To gain atomistic insight into the observed voltammetric profiles, we compare our experimental results with periodic DFT calculations of trends in the thermodynamics of surface Cu dissolution potentials from highly stepped and kinked Pt(854) single crystal surfaces. The modeling suggests a dependence of the electrochemical Cu dissolution potentials on the detailed atomic environment (coordination number, nature of coordinating atoms) of the bimetallic Pt-Cu surfaces. The DFT-predicted shifts in electrochemical Cu dissolution potentials are shown to qualitatively account for the observed voltammetric profiles during Cu dealloying. Our study suggests that metal-specific energetics have to be taken into account to explain the detailed dealloying behavior of bimetallic surfaces.
C1 [Strasser, Peter; Koha, Shirlaine] Univ Houston, Dept Chem & Biomol Engn, Houston, TX 77204 USA.
[Greeley, Jeff] Argonne Natl Lab, Ctr Nanoscale Mat, Argonne, IL 60439 USA.
[Strasser, Peter] Tech Univ Berlin, Inst Chem, D-10624 Berlin, Germany.
RP Strasser, P (reprint author), Univ Houston, Dept Chem & Biomol Engn, Houston, TX 77204 USA.
EM pstrasser@uh.edu
RI Strasser, Peter/A-1868-2012
NR 96
TC 131
Z9 131
U1 5
U2 102
PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 1463-9076
J9 PHYS CHEM CHEM PHYS
JI Phys. Chem. Chem. Phys.
PY 2008
VL 10
IS 25
BP 3670
EP 3683
DI 10.1039/b803717e
PG 14
WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical
SC Chemistry; Physics
GA 315KJ
UT WOS:000256877200009
PM 18563228
ER
PT J
AU Berry, JF
George, SD
Neese, F
AF Berry, John F.
George, Serena DeBeer
Neese, Frank
TI Electronic structure and spectroscopy of "superoxidized" iron centers in
model systems: theoretical and experimental trends
SO PHYSICAL CHEMISTRY CHEMICAL PHYSICS
LA English
DT Article
ID DENSITY-FUNCTIONAL CALCULATIONS; RAY-ABSORPTION SPECTROSCOPY;
TRANSITION-METAL-COMPLEXES; ALPHA-KETOGLUTARATE DIOXYGENASE; NONHEME
OXOIRON(IV) COMPLEX; ZETA VALENCE QUALITY; SPIN FE(IV) COMPLEX;
GAUSSIAN-BASIS SETS; C-H HYDROXYLATION; FE-IV=O COMPLEXES
AB Recent advances in synthetic chemistry have led to the discovery of "superoxidized'' iron centers with valencies Fe( V) and Fe( VI) [K. Meyer et al., J. Am. Chem. Soc., 1999, 121, 4859 - 4876; J. F. Berry et al., Science, 2006, 312, 1937 - 1941; F. T. de Oliveira et al., Science, 2007, 315, 835 - 838.]. Furthermore, in recent years a number of high- valent Fe(IV) species have been found as reaction intermediates in metalloenzymes and have also been characterized in model systems [C. Krebs et al., Acc. Chem. Res., 2007, 40, 484-492; L. Que, Jr, Acc. Chem. Res., 2007, 40, 493 - 500.]. These species are almost invariably stabilized by a highly basic ligand Xn- which is either O2- or N3-. The di. erences in structure and bonding between oxo- and nitrido species as a function of oxidation state and their consequences on the observable spectroscopic properties have never been carefully assessed. Hence, fundamental di. erences between high- valent iron complexes having either Fe=O or Fe=N multiple bonds have been probed computationally in this work in a series of hypothetical trans[FeO(NH3)(4)OH](+/2+/3+) (1-3) and trans-[FeN(NH3) 4OH](0/2+/3+) (4-6) complexes. All computational properties are permeated by the intrinsically more covalent character of the Fe=N multiple bond as compared to the Fe=O bond. This di. erence is likely due to di. erences in Z* between N and O that allow for better orbital overlap to occur in the case of the FeQN multiple bond. Spin- state energetics were addressed using elaborate multireference ab initio computations that show that all species 1-6 have an intrinsic preference for the low-spin state, except in the case of 1 in which S = 1 and S = 2 states are very close in energy. In addition to Mossbauer parameters, g-tensors, zero-field splitting and iron hyper. ne couplings, X- ray absorption Fe K pre-edge spectra have been simulated using time- dependent DFT methods for the. rst time for a series of compounds spanning the highvalent states +4, +5, and +6 for iron. A remarkably good correlation of these simulated pre- edge features with experimental data on isolated high- valent intermediates has been found, allowing us to assign the main pre-edge features to excitations into the empty Fe d(z2) orbital, which is able to mix with Fe 4(pz), allowing an e. cient mechanism for the intensi. cation of pre-edge features.
C1 [Berry, John F.] Univ Wisconsin, Madison, WI 53706 USA.
[George, Serena DeBeer] Stanford Univ, SLAC, Stanford Synchrotron Radiat Lab, Stanford, CA 94309 USA.
[Neese, Frank] Univ Bonn, Lehrstuhl Theoret Chem, D-53115 Bonn, Germany.
RP Berry, JF (reprint author), Univ Wisconsin, 1101 Univ Ave, Madison, WI 53706 USA.
EM berry@chem.wisc.edu; debeer@stanford.edu; neese@thch.uni-bonn.de
RI DeBeer, Serena/G-6718-2012; Tunega, Daniel/B-3767-2015; Neese,
Frank/J-4959-2014
OI Neese, Frank/0000-0003-4691-0547
FU NCRR NIH HHS [5 P41 RR001209]
NR 100
TC 53
Z9 53
U1 2
U2 15
PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 1463-9076
EI 1463-9084
J9 PHYS CHEM CHEM PHYS
JI Phys. Chem. Chem. Phys.
PY 2008
VL 10
IS 30
BP 4361
EP 4374
DI 10.1039/b801803k
PG 14
WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical
SC Chemistry; Physics
GA 329RZ
UT WOS:000257889600001
PM 18654674
ER
PT J
AU Rempe, SB
Mattsson, TR
Leung, K
AF Rempe, Susan B.
Mattsson, Thomas R.
Leung, K.
TI On "the complete basis set limit" and plane-wave methods in
first-principles simulations water
SO PHYSICAL CHEMISTRY CHEMICAL PHYSICS
LA English
DT Article
ID DENSITY-FUNCTIONAL THEORY; 1ST PRINCIPLES SIMULATIONS; LIQUID WATER;
AB-INITIO; APPROXIMATION; ACCURACY
AB Water structure, measured by the height of the first peak in oxygen-oxygen radial distributions, is converged with respect to plane-wave basis energy cutoffs for ab initio molecular dynamics simulations, confirming the reliability of plane-wave methods.
C1 [Rempe, Susan B.; Mattsson, Thomas R.; Leung, K.] Sandia Natl Labs, Albuquerque, NM USA.
RP Rempe, SB (reprint author), Sandia Natl Labs, MS 0895, Albuquerque, NM USA.
EM slrempe@sandia.gov
RI Mattsson, Thomas/B-6057-2009; Rempe, Susan/H-1979-2011
NR 21
TC 23
Z9 23
U1 3
U2 10
PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 1463-9076
EI 1463-9084
J9 PHYS CHEM CHEM PHYS
JI Phys. Chem. Chem. Phys.
PY 2008
VL 10
IS 32
BP 4685
EP 4687
DI 10.1039/b810017a
PG 3
WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical
SC Chemistry; Physics
GA 335DU
UT WOS:000258271800003
PM 18688510
ER
PT J
AU Feibelman, PJ
AF Feibelman, Peter J.
TI Lattice match in density functional calculations: ice Ih vs. beta-AgI
SO PHYSICAL CHEMISTRY CHEMICAL PHYSICS
LA English
DT Article
ID GENERALIZED GRADIENT APPROXIMATION; AUGMENTED-WAVE METHOD;
WEATHER-MODIFICATION; THERMAL-EXPANSION; PT(111); FILMS; TRANSITION;
EXCHANGE; SYSTEMS; METALS
AB Density functional optimizations of the crystal parameters of ice Ih and beta-AgI imply lattice mismatches of 4.2 to 7.9%, in a survey of eight common, approximate (non-hybrid) functionals, too large to allow a meaningful contribution from Density Functional Theory to the discussion of the significance of lattice match in ice nucleation.
C1 Sandia Natl Labs, Albuquerque, NM 87185 USA.
RP Feibelman, PJ (reprint author), Sandia Natl Labs, POB 5800, Albuquerque, NM 87185 USA.
NR 43
TC 38
Z9 38
U1 0
U2 14
PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 1463-9076
J9 PHYS CHEM CHEM PHYS
JI Phys. Chem. Chem. Phys.
PY 2008
VL 10
IS 32
BP 4688
EP 4691
DI 10.1039/b808482n
PG 4
WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical
SC Chemistry; Physics
GA 335DU
UT WOS:000258271800004
PM 18688511
ER
PT J
AU Brown, MA
D'Auria, R
Kuo, IFW
Krisch, MJ
Starr, DE
Bluhm, H
Tobias, DJ
Hemminger, JC
AF Brown, Matthew A.
D'Auria, Raffaella
Kuo, I. -F. William
Krisch, Maria J.
Starr, David E.
Bluhm, Hendrik
Tobias, Douglas J.
Hemminger, John C.
TI Ion spatial distributions at the liquid-vapor interface of aqueous
potassium fluoride solutions
SO PHYSICAL CHEMISTRY CHEMICAL PHYSICS
LA English
DT Article
ID MOLECULAR-DYNAMICS SIMULATIONS; SALT-SOLUTIONS;
PHOTOELECTRON-SPECTROSCOPY; AIR/WATER INTERFACE; WATER-SURFACE;
CANONICAL ENSEMBLE; SOLVATION; PHOTOEMISSION; CLUSTERS; DENSITY
AB X-Ray photoemission spectroscopy operating under ambient pressure conditions is used to probe ion distributions throughout the interfacial region of a free-flowing aqueous liquid micro-jet of 6 M potassium fluoride. Varying the energy of the ejected photoelectrons by carrying out experiments as a function of X-ray wavelength measures the composition of the aqueous-vapor interfacial region at various depths. The F(-) to K(+) atomic ratio is equal to unity throughout the interfacial region to a depth of 2 nm. The experimental ion profiles are compared with the results of a classical molecular dynamics simulation of a 6 M aqueous KF solution employing polarizable potentials. The experimental results are in qualitative agreement with the simulations when integrated over an exponentially decaying probe depth characteristic of an APPES experiment. First principles molecular dynamics simulations have been used to calculate the potential of mean force for moving a fluoride anion across the air-water interface. The results show that the fluoride anion is repelled from the interface, consistent with the depletion of F(-) at the interface revealed by the APPES experiment and polarizable force field-based molecular dynamics simulation. Together, the APPES and MD simulation data provide a detailed description of the aqueous-vapor interface of alkali fluoride systems. This work offers the first direct observation of the ion distribution at an aqueous potassium fluoride solution interface. The current experimental results are compared to those previously obtained for saturated solutions of KBr and KI to underscore the strong difference in surface propensity between soft/large and hard/small halide ions in aqueous solution.
C1 [Brown, Matthew A.; D'Auria, Raffaella; Krisch, Maria J.; Tobias, Douglas J.; Hemminger, John C.] Univ Calif Irvine, Dept Chem & Air UCI, Irvine, CA 92697 USA.
[Kuo, I. -F. William] Lawrence Livermore Natl Lab, Div Chem Sci, Livermore, CA 94551 USA.
[Starr, David E.; Bluhm, Hendrik] Lawrence Berkeley Natl Lab, Div Chem Sci, Berkeley, CA 94720 USA.
RP Tobias, DJ (reprint author), Univ Calif Irvine, Dept Chem & Air UCI, Irvine, CA 92697 USA.
EM dtobias@uci.edu; jchemmin@uci.edu
RI Brown, Matthew/D-9236-2012; Tobias, Douglas/B-6799-2015
NR 48
TC 74
Z9 74
U1 2
U2 51
PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 1463-9076
J9 PHYS CHEM CHEM PHYS
JI Phys. Chem. Chem. Phys.
PY 2008
VL 10
IS 32
BP 4778
EP 4784
DI 10.1039/b807041e
PG 7
WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical
SC Chemistry; Physics
GA 335DU
UT WOS:000258271800013
PM 18688520
ER
PT J
AU Xu, M
Larentzos, JP
Roshdy, M
Criscenti, LJ
Allen, HC
AF Xu, Man
Larentzos, James P.
Roshdy, Mazen
Criscenti, Louise J.
Allen, Heather C.
TI Aqueous divalent metal-nitrate interactions: hydration versus ion
pairing
SO PHYSICAL CHEMISTRY CHEMICAL PHYSICS
LA English
DT Article
ID CONSTRAINED MOLECULAR-DYNAMICS; CALCIUM NITRATE; RAMAN-SPECTRA;
MAGNESIUM-NITRATE; ELECTROLYTE-SOLUTIONS; SOLVENT INTERACTION;
SODIUM-NITRATE; GLASSY STATES; MEAN FORCE; 30 MPA
AB Nitrate aqueous solutions, Mg(NO(3))(2), Ca(NO(3))(2), Sr(NO(3))(2), and Pb(NO(3))(2), are investigated using Raman spectroscopy and free energy profiles from molecular dynamics (MD) simulations. Analysis of the in-plane deformation, symmetric stretch, and asymmetric stretch vibrational modes of the nitrate ions reveal perturbation caused by the metal cations and hydrating water molecules. Results show that Pb(2+) has a strong tendency to form contact ion pairs with nitrate relative to Sr(2+), Ca(2+), and Mg(2+), and contact ion pair formation decreases with decreasing cation size and increasing cation charge density: Pb(2+) > Sr(2+) > Ca(2+) > Mg(2+). In the case of Mg(2+), the Mg(2+) -OH(2) intermolecular modes indicate strong hydration by water molecules and no contact ion pairing with nitrate. Free energy profiles provide evidence for the experimentally observed trend and clarification between solvent-separated, solvent-shared, and contact ion pairs, particularly for Mg(2+) relative to other cations.
C1 [Larentzos, James P.; Criscenti, Louise J.] Sandia Natl Labs, Albuquerque, NM 87185 USA.
[Xu, Man; Roshdy, Mazen; Allen, Heather C.] Ohio State Univ, Dept Chem, Columbus, OH 43210 USA.
RP Criscenti, LJ (reprint author), Sandia Natl Labs, POB 5800,MS 0754, Albuquerque, NM 87185 USA.
EM ljcrisc@sandia.gov; allen@chemistry.ohio-state.edu
RI Xu, Man/B-7660-2013
NR 52
TC 32
Z9 33
U1 3
U2 41
PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 1463-9076
J9 PHYS CHEM CHEM PHYS
JI Phys. Chem. Chem. Phys.
PY 2008
VL 10
IS 32
BP 4793
EP 4801
DI 10.1039/b807090n
PG 9
WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical
SC Chemistry; Physics
GA 335DU
UT WOS:000258271800015
PM 18688522
ER
PT J
AU Malardier-Jugroot, C
Johnson, ME
Murarka, RK
Head-Gordon, T
AF Malardier-Jugroot, Cecile
Johnson, Margaret E.
Murarka, Rajesh K.
Head-Gordon, Teresa
TI Aqueous peptides as experimental models for hydration water dynamics
near protein surfaces
SO PHYSICAL CHEMISTRY CHEMICAL PHYSICS
LA English
DT Article
ID INELASTIC NEUTRON-SCATTERING; SINGLE-PARTICLE DYNAMICS; SUPERCOOLED
WATER; RELAXATIONAL DYNAMICS; DIELECTRIC-RELAXATION; MOLECULAR-DYNAMICS;
DIFFUSIVE MOTIONS; BIOLOGICAL WATER; SOLVATION; MYOGLOBIN
AB We report quasi-elastic neutron scattering experiments to contrast the water dynamics as a function of temperature for hydrophilic and amphiphilic peptides under the same level of confinement, as models for understanding hydration dynamics near chemically heterogeneous protein surfaces. We find that the hydrophilic peptide shows only a single non-Arrhenius translational process with no evidence of spatial heterogeneity unlike the amphiphilic peptide solution that exhibits two translational relaxations with an Arrhenius and non-Arrhenius dependence on temperature. Together these results provide experimental proof that heterogeneous dynamical signatures near protein surfaces arise in part from chemical heterogeneity (energy disorder) as opposed to mere topological roughness of the protein surface.
C1 [Johnson, Margaret E.; Murarka, Rajesh K.; Head-Gordon, Teresa] Univ Calif Berkeley, Dept Bioengn, Berkeley, CA 94720 USA.
[Malardier-Jugroot, Cecile] Royal Mil Coll Canada, Dept Chem & Chem Engn, Kingston, ON K7K 7B4, Canada.
[Johnson, Margaret E.] UCB Joint Grad Grp Bioengn, UCSF, Berkeley, CA 94720 USA.
[Head-Gordon, Teresa] Univ Calif Berkeley, Lawrence Berkeley Lab, Phys Biosci Div, Berkeley, CA 94720 USA.
[Murarka, Rajesh K.] Cornell Univ, Baker Lab Chem & Chem Biol, Ithaca, NY 14853 USA.
RP Head-Gordon, T (reprint author), Univ Calif Berkeley, Dept Bioengn, Berkeley, CA 94720 USA.
RI Head-Gordon, Teresa/E-5818-2011; Johnson, Margaret/M-4708-2016
OI Johnson, Margaret/0000-0001-9881-291X
NR 43
TC 30
Z9 30
U1 1
U2 8
PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 1463-9076
EI 1463-9084
J9 PHYS CHEM CHEM PHYS
JI Phys. Chem. Chem. Phys.
PY 2008
VL 10
IS 32
BP 4903
EP 4908
DI 10.1039/b806995f
PG 6
WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical
SC Chemistry; Physics
GA 335DU
UT WOS:000258271800027
PM 18688534
ER
PT J
AU Maiti, A
Pagoria, PF
Gash, AE
Han, TY
Orme, CA
Gee, RH
Fried, LE
AF Maiti, A.
Pagoria, P. F.
Gash, A. E.
Han, T. Y.
Orme, C. A.
Gee, R. H.
Fried, L. E.
TI Solvent screening for a hard-to-dissolve molecular crystal
SO PHYSICAL CHEMISTRY CHEMICAL PHYSICS
LA English
DT Article
ID TEMPERATURE IONIC LIQUIDS; BASIS-SETS;
1,3,5-TRIAMINO-2,4,6-TRINITROBENZENE; ENERGY; COSMO; APPROXIMATION;
SOLUBILITY; CATALYSIS; FLUORIDE; ATOMS
AB Materials with a high-degree of inter- and intra-molecular hydrogen bonding generally have limited solubility in conventional organic solvents. This presents a problem for the dissolution, manipulation and purification of these materials. Using a state-of-the-art density-functional-theory based quantum chemical solvation model we systematically evaluated solvents for a known hydrogen-bonded molecular crystal. This, coupled with direct solubility measurements, uncovered a class of ionic liquids involving fluoride anions that possess more than two orders of magnitude higher solvation power as compared with the best conventional solvents. The crystal structure of one such ionic liquid, determined by X-ray diffraction spectroscopy, indicates that F(-) ions are stabilized through H-bonded chains with water. The presence of coordinating water in such ionic liquids seems to facilitate the dissolution process by keeping the chemical activity of the F(-) ions in check.
C1 [Maiti, A.; Pagoria, P. F.; Gash, A. E.; Han, T. Y.; Orme, C. A.; Gee, R. H.; Fried, L. E.] Lawrence Livermore Natl Lab, Livermore, CA 94551 USA.
RP Maiti, A (reprint author), Lawrence Livermore Natl Lab, Livermore, CA 94551 USA.
EM amaiti@llnl.gov
RI Orme, Christine/A-4109-2009; Fried, Laurence/L-8714-2014
OI Fried, Laurence/0000-0002-9437-7700
FU UC LLNL [W-7405-Eng-48]; Laboratory Directed Research and Development
Program at LLNL [06-SI-005]
FX We would like to thank Sarah Chinn and Damon Parrish for help with NMR
and XRD measurements. We would also like to acknowledge useful
discussions with Alex Mitchell. The work was performed under the
auspices of the US Department of Energy by the UC LLNL under Contract
W-7405-Eng-48 and supported by project 06-SI-005 funded by the
Laboratory Directed Research and Development Program at LLNL.
NR 35
TC 20
Z9 22
U1 0
U2 2
PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 1463-9076
J9 PHYS CHEM CHEM PHYS
JI Phys. Chem. Chem. Phys.
PY 2008
VL 10
IS 33
BP 5050
EP 5056
DI 10.1039/b805169k
PG 7
WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical
SC Chemistry; Physics
GA 337DE
UT WOS:000258414900004
PM 18701952
ER
PT J
AU Wong, BM
AF Wong, Bryan M.
TI Nuclear quadrupole hyperfine structure in HC(14)N/H(14)NC and DC
(15)N/D(15) NC isomerization: a diagnostic tool for characterizing
vibrational localization
SO PHYSICAL CHEMISTRY CHEMICAL PHYSICS
LA English
DT Article
ID FOURIER-TRANSFORM SPECTRA; LARGE-AMPLITUDE MOTIONS; OVERTONE BANDS;
POLYATOMIC-MOLECULES; QUANTUM CALCULATIONS; BENDING DYNAMICS;
ENERGY-TRANSFER; DIPOLE-MOMENTS; EXCITED HCN; ACETYLENE
AB Large-amplitude molecular motions which occur during isomerization can cause significant changes in electronic structure. These variations in electronic properties can be used to identify vibrationally-excited eigenstates which are localized along the potential energy surface. This work demonstrates that nuclear quadrupole hyperfine interactions can be used as a diagnostic marker of progress along the isomerization path in both the HC(14)N/H(14)NC and DC (15)N/D(15) NC chemical systems. Ab initio calculations at the CCSD(T)/cc-pCVQZ level indicate that the hyperfine interaction is extremely sensitive to the chemical bonding of the quadrupolar (14)N nucleus and can therefore be used to determine in which potential well the vibrational wavefunction is localized. A natural bonding orbital analysis along the isomerization path further demonstrates that hyperfine interactions arise from the asphericity of the electron density at the quadrupolar nucleus. Using the CCSD( T) potential surface, the quadrupole coupling constants of highly-excited vibrational states are computed from a one-dimensional internal coordinate path Hamiltonian. The excellent agreement between ab initio calculations and recent measurements demonstrates that nuclear quadrupole hyperfine structure can be used as a diagnostic tool for characterizing localized HCN and HNC vibrational states.
C1 Sandia Natl Labs, Dept Chem Mat, Livermore, CA 94551 USA.
RP Wong, BM (reprint author), Sandia Natl Labs, Dept Chem Mat, Livermore, CA 94551 USA.
EM bmwong@sandia.gov
RI Wong, Bryan/B-1663-2009
OI Wong, Bryan/0000-0002-3477-8043
FU the National Center for Supercomputing Applications [TG-CHE070084N]; the
NCSA Cobalt SGI Altix System
FX The author is grateful for helpful discussions with Prof. Robert W.
Field, Dr Hans A. Bechtel, and Adam H. Steeves. This work was partially
supported by the National Center for Supercomputing Applications under
grant number TG-CHE070084N and utilized the NCSA Cobalt SGI Altix
System. 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 40
TC 6
Z9 6
U1 0
U2 5
PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 1463-9076
J9 PHYS CHEM CHEM PHYS
JI Phys. Chem. Chem. Phys.
PY 2008
VL 10
IS 36
BP 5599
EP 5606
DI 10.1039/b807672c
PG 8
WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical
SC Chemistry; Physics
GA 350VE
UT WOS:000259380900014
PM 18956095
ER
PT J
AU Xu, Y
Getman, RB
Shelton, WA
Schneider, WF
AF Xu, Ye
Getman, Rachel B.
Shelton, William A.
Schneider, William F.
TI A first-principles investigation of the effect of Pt cluster size on CO
and NO oxidation intermediates and energetics
SO PHYSICAL CHEMISTRY CHEMICAL PHYSICS
LA English
DT Article
ID DENSITY-FUNCTIONAL THEORY; TOTAL-ENERGY CALCULATIONS; WAVE BASIS-SET;
PLATINUM CLUSTERS; CATALYTIC-OXIDATION; CARBON-MONOXIDE; METAL-CLUSTERS;
GOLD CLUSTERS; DISSOCIATIVE ADSORPTION; STRUCTURAL EVOLUTION
AB As catalysis research strives toward designing structurally and functionally well-defined catalytic centers containing as few active metal atoms as possible, the importance of understanding the reactivity of small metal clusters, and in particular of systematic comparisons of reaction types and cluster sizes, has grown concomitantly. Here we report density functional theory calculations (GGA-PW91) that probe the relationship between particle size, intermediate structures, and energetics of CO and NO oxidation by molecular and atomic oxygen on Pt(x) clusters (x = 1-5 and 10). The preferred structures, charge distributions, vibrational spectra, and energetics are systematically examined for oxygen (O(2), 2O, and O), CO, CO(2), NO, and NO(2), for CO/NO co-adsorbed with O(2), 2O, and O, and for CO(2)/NO(2) co-adsorbed with O. The binding energies of oxygen, CO, NO, and of the oxidation products CO(2) and NO(2) are all markedly enhanced on Ptx compared to Pt(111), and they trend toward the Pt(111) levels as cluster size increases. Because of the strong interaction of both the reactants and products with the Ptx clusters, deep energy sinks develop on the potential energy surfaces of the respective oxidation processes, indicating worse reaction energetics than on Pt(111). Thus the smallest Pt clusters are less effective for catalyzing CO and NO oxidation in their original state than bulk Pt. Our results further suggests that oxidation by molecular O(2) is thermodynamically more favourable than by atomic O on Ptx. Conditions and applications in which the Ptx clusters may be effective catalysts are discussed.
C1 [Getman, Rachel B.; Schneider, William F.] Univ Notre Dame, Dept Chem & Biomol Engn, Notre Dame, IN 46556 USA.
[Xu, Ye] Oak Ridge Natl Lab, Ctr Nanophase Mat Sci, Oak Ridge, TN 37831 USA.
[Xu, Ye] Oak Ridge Natl Lab, Div Chem Sci, Oak Ridge, TN 37831 USA.
[Shelton, William A.] Oak Ridge Natl Lab, Comp Sci & Math Div, Oak Ridge, TN 37831 USA.
[Schneider, William F.] Univ Notre Dame, Dept Chem & Biochem, Notre Dame, IN 46556 USA.
RP Schneider, WF (reprint author), Univ Notre Dame, Dept Chem & Biomol Engn, Notre Dame, IN 46556 USA.
EM wschneider@nd.edu
RI Xu, Ye/B-5447-2009
OI Xu, Ye/0000-0002-6406-7832
FU Computer Science and Mathematics Division; Oak Ridge National Laboratory
(ORNL); Center for Nanophase Materials Sciences; ORNL; US-DOE Division
of Scientific User Facilities; University of Notre Dame; US-DOE Office
of Basic Energy Sciences [DE-FG02-06ER15830-001]
FX This research was done, in part, at the Computer Science and Mathematics
Division, Oak Ridge National Laboratory (ORNL) at the Center for
Nanophase Materials Sciences, ORNL, sponsored by US-DOE Division of
Scientific User Facilities; and at the University of Notre Dame,
supported by US-DOE Office of Basic Energy Sciences, under the grant
DE-FG02-06ER15830-001. Computing resources provided by the National
Center for Computational Sciences at ORNL, by the Center for Research
Computing at the University of Notre Dame, and by NERSC were used.
NR 74
TC 28
Z9 28
U1 1
U2 33
PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 1463-9076
J9 PHYS CHEM CHEM PHYS
JI Phys. Chem. Chem. Phys.
PY 2008
VL 10
IS 39
BP 6009
EP 6018
DI 10.1039/b805179h
PG 10
WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical
SC Chemistry; Physics
GA 354ZJ
UT WOS:000259678100010
PM 18825289
ER
PT J
AU Giri, BR
Kiefer, JH
Xu, H
Klippenstein, SJ
Tranter, RS
AF Giri, Binod R.
Kiefer, John H.
Xu, Hui
Klippenstein, Stephen J.
Tranter, Robert S.
TI An experimental and theoretical high temperature kinetic study of the
thermal unimolecular dissociation of fluoroethane
SO PHYSICAL CHEMISTRY CHEMICAL PHYSICS
LA English
DT Article
ID CORRELATED MOLECULAR CALCULATIONS; GAUSSIAN-BASIS SETS; SHOCK-TUBE;
ETHYL FLUORIDE; AB-INITIO; TRANSITION-STATE; LASER-SCHLIEREN;
WAVE-FUNCTIONS; RELAXATION; DECOMPOSITION
AB The thermal dissociation of fluoroethane has been studied using shock tube (ST)/time-of-flight mass spectrometry (TOF-MS) at 500 and 1200 Torr over the temperature range 1200-1550 K. The ST/TOF-MS experiments confirm that elimination of HF is the only reaction channel and rate coefficients for this reaction were extracted from concentration/time profiles derived from the mass spectra. Results from a novel diaphragmless shock tube coupled to the TOF-MS are also presented and demonstrate the unique ability of this apparatus to generate sufficiently reproducible shock waves that signal averaging can be performed over multiple experiments; something that is not possible with a conventional shock tube. The dissociation is also studied with ab initio transition state theory based master equation simulations. A modest increase in the calculated barrier height (i.e., by 1 kcal mol(-1)) yields predicted high pressure rate coefficients that are in good agreement with the existing literature data. The present pressure dependent observations are accurately reproduced for a downwards energy transfer for neon at 1200 to 1500 K of similar to 270 cm(-1), which is somewhat smaller than that found in previous studies on fluorinated ethanes with the same bath gases.
C1 [Giri, Binod R.; Klippenstein, Stephen J.; Tranter, Robert S.] Argonne Natl Lab, Chem Sci & Engn Div, Argonne, IL 60439 USA.
[Kiefer, John H.; Xu, Hui] Univ Illinois, Dept Chem Engn, Chicago, IL 60607 USA.
RP Tranter, RS (reprint author), Argonne Natl Lab, Chem Sci & Engn Div, 9700 S Cass Ave, Argonne, IL 60439 USA.
EM tranter@anl.gov
RI Xu, Hui/F-8234-2012;
OI Klippenstein, Stephen/0000-0001-6297-9187
FU Office of Basic Energy Sciences, Division of Chemical Sciences,
Geosciences, and Biosciences, US Department of Energy
[DE-AC02-06CH11357, DE-FE85ER13384]
FX This work was supported by the Office of Basic Energy Sciences, Division
of Chemical Sciences, Geosciences, and Biosciences, US Department of
Energy, under contract DE-AC02-06CH11357 (Argonne) and DE-FE85ER13384
(UIC).
NR 51
TC 6
Z9 6
U1 1
U2 12
PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 1463-9076
EI 1463-9084
J9 PHYS CHEM CHEM PHYS
JI Phys. Chem. Chem. Phys.
PY 2008
VL 10
IS 41
BP 6266
EP 6273
DI 10.1039/b808168a
PG 8
WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical
SC Chemistry; Physics
GA 362LD
UT WOS:000260198300009
PM 18936851
ER
PT J
AU Chai, JD
Head-Gordon, M
AF Chai, Jeng-Da
Head-Gordon, Martin
TI Long-range corrected hybrid density functionals with damped atom-atom
dispersion corrections
SO PHYSICAL CHEMISTRY CHEMICAL PHYSICS
LA English
DT Article
ID DER-WAALS INTERACTIONS; TRANSFER EXCITED-STATES; SELF-INTERACTION ERROR;
RARE-GAS DIMERS; NONCOVALENT INTERACTIONS; THERMOCHEMICAL KINETICS;
BENCHMARK DATABASE; DFT-D; COMPLEXES; ENERGIES
AB We report re-optimization of a recently proposed long-range corrected (LC) hybrid density functional [J.-D. Chai and M. Head-Gordon, J. Chem. Phys., 2008, 128, 084106] to include empirical atom-atom dispersion corrections. The resulting functional, omega B97X-D yields satisfactory accuracy for thermochemistry, kinetics, and non-covalent interactions. Tests show that for non-covalent systems, omega B97X-D shows slight improvement over other empirical dispersion-corrected density functionals, while for covalent systems and kinetics it performs noticeably better. Relative to our previous functionals, such as omega B97X, the new functional is significantly superior for non-bonded interactions, and very similar in performance for bonded interactions.
C1 [Head-Gordon, Martin] Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA.
Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
RP Head-Gordon, M (reprint author), Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA.
EM mhg@cchem.berkeley.edu
RI Chai, Jeng-Da/C-3897-2009
OI Chai, Jeng-Da/0000-0002-3994-2279
FU US Department of Energy
FX This work was supported by the US Department of Energy through the
Chemistry Endstation project of the Petascale computing program. M. H.
G. is a part-owner of Q-Chem Inc.
NR 99
TC 2662
Z9 2666
U1 51
U2 398
PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 1463-9076
EI 1463-9084
J9 PHYS CHEM CHEM PHYS
JI Phys. Chem. Chem. Phys.
PY 2008
VL 10
IS 44
BP 6615
EP 6620
DI 10.1039/b810189b
PG 6
WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical
SC Chemistry; Physics
GA 370PT
UT WOS:000260775400004
PM 18989472
ER
PT J
AU La Macchia, G
Infante, I
Raab, J
Gibson, JK
Gagliardi, L
AF La Macchia, Giovanni
Infante, Ivan
Raab, Juraj
Gibson, John K.
Gagliardi, Laura
TI A theoretical study of the ground state and lowest excited states of
PuO0/+/+2 and PuO20/+/+2
SO PHYSICAL CHEMISTRY CHEMICAL PHYSICS
LA English
DT Article
ID RELATIVISTIC QUANTUM-CHEMISTRY; ANO BASIS-SETS; 2ND-ORDER PERTURBATION;
IONIZATION-POTENTIALS; CHEMICAL METHODS; UO2 MOLECULE; OXIDE VAPORS;
GAS-PHASE; URANIUM; URANYL
AB The ground and excited states of neutral and cationic PuO and PuO2 have been studied with multiconfigurational quantum chemical methods followed by second order perturbation theory, the CASSCF/CASPT2 method. Scalar relativistic effects and spin-orbit coupling have been included in the treatment. As literature values for the ionization energy of PuO2 are in the wide range of similar to 6.6 eV to similar to 10.1 eV, a central goal of the computations was to resolve these discrepancies; the theoretical results indicate that the ionization energy is near the lower end of this range. The calculated ionization energies for PuO, PuO+ and PuO2+ are in good agreement with the experimental values.
C1 [Gibson, John K.] Lawrence Berkeley Natl Lab, Div Chem Sci, Berkeley, CA 94720 USA.
[La Macchia, Giovanni; Infante, Ivan; Raab, Juraj; Gagliardi, Laura] Univ Geneva, Dept Phys Chem, CH-1211 Geneva, Switzerland.
RP Gibson, JK (reprint author), Lawrence Berkeley Natl Lab, Div Chem Sci, Berkeley, CA 94720 USA.
EM JKGibson@lbl.gov; laura.gagliardi@unige.ch
RI Infante, Ivan/A-1912-2011
OI Infante, Ivan/0000-0003-3467-9376
FU Swiss National Science Foundation [200020-120007]; Director, 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 Swiss National Science Foundation (grant
no. 200020-120007); and by the Director, Office of Science, Office of
Basic Energy Sciences, of the U. S. Department of Energy under Contract
No. DE-AC02-05CH11231.
NR 36
TC 25
Z9 25
U1 0
U2 9
PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 1463-9076
J9 PHYS CHEM CHEM PHYS
JI Phys. Chem. Chem. Phys.
PY 2008
VL 10
IS 48
BP 7278
EP 7283
DI 10.1039/b810744k
PG 6
WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical
SC Chemistry; Physics
GA 384JV
UT WOS:000261742000011
PM 19060973
ER
PT J
AU Boixo, S
Datta, A
Flammia, ST
Shaji, A
Bagan, E
Caves, CM
AF Boixo, Sergio
Datta, Animesh
Flammia, Steven T.
Shaji, Anil
Bagan, Emilio
Caves, Carlton M.
TI Quantum-limited metrology with product states
SO PHYSICAL REVIEW A
LA English
DT Article
AB We study the performance of initial product states of n-body systems in generalized quantum metrology protocols that involve estimating an unknown coupling constant in a nonlinear k-body (k < n) Hamiltonian. We obtain the theoretical lower bound on the uncertainty in the estimate of the parameter. For arbitrary initial states, the lower bound scales as 1/n(k), and for initial product states, it scales as 1/n(k-1/2). We show that the latter scaling can be achieved using simple, separable measurements. We analyze in detail the case of a quadratic Hamiltonian (k=2), implementable with Bose-Einstein condensates. We formulate a simple model, based on the evolution of angular-momentum coherent states, which explains the O(n(-3/2)) scaling for k=2; the model shows that the entanglement generated by the quadratic Hamiltonian does not play a role in the enhanced sensitivity scaling. We show that phase decoherence does not affect the O(n(-3/2)) sensitivity scaling for initial product states.
C1 [Boixo, Sergio; Datta, Animesh; Flammia, Steven T.; Shaji, Anil; Bagan, Emilio; Caves, Carlton M.] Univ New Mexico, Dept Phys & Astron, Albuquerque, NM 87131 USA.
[Boixo, Sergio] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
[Flammia, Steven T.] Perimeter Inst Theoret Phys, Waterloo, ON N2L 2Y5, Canada.
[Bagan, Emilio] Univ Autonoma Barcelona, Fis Teor Grp, E-08193 Barcelona, Spain.
[Caves, Carlton M.] Univ Queensland, Dept Phys, Brisbane, Qld 4072, Australia.
RP Boixo, S (reprint author), Univ New Mexico, Dept Phys & Astron, MSC07-4220, Albuquerque, NM 87131 USA.
EM sflammia@perimeterinstitute.ca
RI Datta, Animesh/E-8139-2011; Shaji, Anil/A-3443-2012; Caves,
Carlton/K-8167-2014; Flammia, Steven/C-8637-2009
OI Datta, Animesh/0000-0003-4021-4655; Caves, Carlton/0000-0001-8876-1186;
Flammia, Steven/0000-0002-3975-0226
NR 30
TC 49
Z9 51
U1 0
U2 5
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 JAN
PY 2008
VL 77
IS 1
AR 012317
DI 10.1103/PhysRevA.77.012317
PG 15
WC Optics; Physics, Atomic, Molecular & Chemical
SC Optics; Physics
GA 258IQ
UT WOS:000252862000049
ER
PT J
AU Buth, C
Santra, R
AF Buth, Christian
Santra, Robin
TI Theory of x-ray absorption by laser-aligned symmetric-top molecules
SO PHYSICAL REVIEW A
LA English
DT Article
ID ALIGNMENT; POLARIZABILITIES; SPECTROSCOPY; PULSES; FIELDS
AB We devise a theory of x-ray absorption by symmetric-top molecules which are aligned by an intense optical laser. Initially, the density matrix of the system is composed of the electronic ground state of the molecules and a thermal ensemble of rigid-rotor eigenstates. We formulate equations of motion of the two-color (laser plus x rays) rotational-electronic problem. The interaction with the laser is assumed to be nonresonant; it is described by an electric dipole polarizability tensor. X-ray absorption is approximated as a one-photon process. It is shown that the equations can be separated such that the interaction with the laser can be treated independently of the x rays. The laser-only density matrix is propagated numerically. After each time step, the x-ray absorption is calculated. We apply our theory to study adiabatic alignment of bromine molecules (Br(2)). The required dynamic polarizabilities are determined using the ab initio linear response methods coupled-cluster singles (CCS), second-order approximate coupled-cluster singles and doubles (CC2), and coupled-cluster singles and doubles (CCSD). For the description of x-ray absorption on the sigma(g)1s ->sigma(u)4p resonance, a parameter-free two-level model is used for the electronic structure of the molecules. Our theory opens up novel perspectives for the quantum control of x-ray radiation.
C1 [Buth, Christian; Santra, Robin] Argonne Natl Lab, Argonne, IL 60439 USA.
RP Buth, C (reprint author), Argonne Natl Lab, 9700 S Cass Ave, Argonne, IL 60439 USA.
RI Santra, Robin/E-8332-2014; Buth, Christian/A-2834-2017
OI Santra, Robin/0000-0002-1442-9815; Buth, Christian/0000-0002-5866-3443
NR 49
TC 13
Z9 13
U1 1
U2 2
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 JAN
PY 2008
VL 77
IS 1
AR 013413
DI 10.1103/PhysRevA.77.013413
PG 13
WC Optics; Physics, Atomic, Molecular & Chemical
SC Optics; Physics
GA 258IQ
UT WOS:000252862000129
ER
PT J
AU Houfek, K
Rescigno, TN
McCurdy, CW
AF Houfek, Karel
Rescigno, T. N.
McCurdy, C. W.
TI Probing the nonlocal approximation to resonant collisions of electrons
with diatomic molecules
SO PHYSICAL REVIEW A
LA English
DT Article
ID PROJECTION-OPERATOR CALCULATIONS; NUCLEAR REACTIONS; SHAPE RESONANCES;
UNIFIED THEORY; SCATTERING; STATES; MODEL
AB A numerically solvable two-dimensional model introduced by the authors [Phys. Rev. A 73, 032721 (2006)] is used to investigate the validity of the nonlocal approximation to the dynamics of resonant collisions of electrons with diatomic molecules. The nonlocal approximation to this model is derived in detail, all underlying assumptions are specified, and explicit expressions for the resonant and nonresonant (background) T matrix for the studied processes are given. Different choices of the so-called discrete state, which fully determines the nonlocal approximation, are discussed, and it is shown that a physical choice of this state can in general give poorer results than other choices that minimize the nonadiabatic effects and/or the background terms of the T matrix. Background contributions to the T matrix, which are usually not considered in the resonant theory of electron-molecule collisions, can contribute significantly not only to elastic but also to vibrational excitation cross sections. Dissociative attachment cross sections, however, are found to be properly described in the nonlocal model with any choice of discrete state that minimizes the importance of nonadiabatic effects and goes to the proper limit at large internuclear separation.
C1 [Houfek, Karel] Charles Univ Prague, Fac Math & Phys, Inst Theoret Phys, Prague 18000 8, Czech Republic.
[Rescigno, T. N.; McCurdy, C. W.] Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA.
[McCurdy, C. W.] Univ Calif Davis, Dept Appl Sci, Davis, CA 95616 USA.
[McCurdy, C. W.] Univ Calif Davis, Dept Chem, Davis, CA 95616 USA.
RP Houfek, K (reprint author), Charles Univ Prague, Fac Math & Phys, Inst Theoret Phys, Holesovickach 2, Prague 18000 8, Czech Republic.
EM houfek@mbox.troja.mff.cuni.cz; tnrescigno@lbl.gov; cwmccurdy@lbl.gov
NR 20
TC 14
Z9 14
U1 2
U2 5
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 JAN
PY 2008
VL 77
IS 1
AR 012710
DI 10.1103/PhysRevA.77.012710
PG 14
WC Optics; Physics, Atomic, Molecular & Chemical
SC Optics; Physics
GA 258IQ
UT WOS:000252862000098
ER
PT J
AU Pindzola, MS
Schultz, DR
AF Pindzola, M. S.
Schultz, D. R.
TI Time-dependent lattice methods for ion-atom collisions in Cartesian and
cylindrical coordinate systems
SO PHYSICAL REVIEW A
LA English
DT Article
ID PROTON-HYDROGEN COLLISIONS; CHARGE-TRANSFER; SCHRODINGER-EQUATION;
IONIZATION; EXCITATION; HELIUM
AB Time-dependent lattice methods in both Cartesian and cylindrical coordinates are applied to calculate excitation cross sections for p+H collisions at 40 keV incident energy. The time-dependent Schrodinger equation is solved using a previously formulated Cartesian coordinate single-channel method on a full 3D lattice and a newly formulated cylindrical coordinate multichannel method on a set of coupled 2D lattices. Cartesian coordinate single-channel and cylindrical coordinate five-channel calculations are found to be in reasonable agreement for excitation cross sections from the 1s ground state to the 2s, 2p, 3s, 3p, and 3d excited states. For extension of the time-dependent lattice method to handle the two electron dynamics found in p+He collisions, the cylindrical coordinate multichannel method appears promising due to the reduced dimensionality of its lattice.
C1 [Pindzola, M. S.] Auburn Univ, Dept Phys, Auburn, AL 36849 USA.
[Schultz, D. R.] Oak Ridge Natl Lab, Div Phys, Oak Ridge, TN 37831 USA.
RP Pindzola, MS (reprint author), Auburn Univ, Dept Phys, Auburn, AL 36849 USA.
NR 17
TC 7
Z9 7
U1 0
U2 1
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 JAN
PY 2008
VL 77
IS 1
AR 014701
DI 10.1103/PhysRevA.77.014701
PG 4
WC Optics; Physics, Atomic, Molecular & Chemical
SC Optics; Physics
GA 258IQ
UT WOS:000252862000202
ER
PT J
AU Simula, TP
Nygaard, N
Hu, SX
Collins, LA
Schneider, BI
Molmer, K
AF Simula, T. P.
Nygaard, N.
Hu, S. X.
Collins, L. A.
Schneider, B. I.
Molmer, K.
TI Angular momentum exchange between coherent light and matter fields
SO PHYSICAL REVIEW A
LA English
DT Article
AB Full, three-dimensional time-dependent simulations are presented demonstrating the quantized transfer of angular momentum to a Bose-Einstein condensate from a laser carrying orbital angular momentum in a Laguerre-Gaussian mode. The process is described in terms of coherent Bragg scattering of atoms from a chiral optical lattice. The transfer efficiency and the angular momentum content of the output coupled vortex state are analyzed and compared with a recent experiment.
C1 [Simula, T. P.; Nygaard, N.; Molmer, K.] Aarhus Univ, Dept Phys & Astron, Lundbeck Fdn Theoret Ctr Quantum Syst Res, DK-8000 Aarhus, Denmark.
[Hu, S. X.; Collins, L. A.] Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA.
[Schneider, B. I.] Natl Sci Fdn, Div Phys, Arlington, VA 22230 USA.
[Schneider, B. I.] NIST, Div Electron & Opt Phys, Gaithersburg, MD 20899 USA.
RP Simula, TP (reprint author), Aarhus Univ, Dept Phys & Astron, Lundbeck Fdn Theoret Ctr Quantum Syst Res, DK-8000 Aarhus, Denmark.
RI Hu, Suxing/A-1265-2007; Nygaard, Nicolai/B-4664-2009; Simula,
Tapio/I-1460-2012
OI Hu, Suxing/0000-0003-2465-3818; Simula, Tapio/0000-0003-0730-9126
NR 12
TC 29
Z9 29
U1 0
U2 4
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 JAN
PY 2008
VL 77
IS 1
AR 015401
DI 10.1103/PhysRevA.77.015401
PG 4
WC Optics; Physics, Atomic, Molecular & Chemical
SC Optics; Physics
GA 258IQ
UT WOS:000252862000204
ER
PT J
AU Tao, JM
Staroverov, VN
Scuseria, GE
Perdew, JP
AF Tao, Jianmin
Staroverov, Viktor N.
Scuseria, Gustavo E.
Perdew, John P.
TI Exact-exchange energy density in the gauge of a semilocal
density-functional approximation
SO PHYSICAL REVIEW A
LA English
DT Article
ID GENERALIZED GRADIENT APPROXIMATION; MOLECULES; ACCURATE; ATOMS; HOLE;
MATRICES; VIRIAL
AB The exact-exchange energy density and energy density of a semilocal density-functional approximation are two key ingredients for modeling the static correlation, a strongly nonlocal functional of the electron density, through a local hybrid functional. Because energy densities are not uniquely defined, the conventional (Slater) exact-exchange energy density e(x)(ex(conv)) is not necessarily well suited for local mixing with a given semilocal approximation. We show how to transform e(x)(ex(conv)) in order to make it compatible with an arbitrary semilocal density functional, taking the nonempirical meta-generalized-gradient approximation of Tao, Perdew, Staroverov, and Scuseria as an example. Our additive gauge transformation function integrates to zero, satisfies exact constraints, and is most important where the density is dominated by a single orbital shape. We show that, as expected, the difference between semilocal and exact-exchange energy densities becomes more negative under bond stretching in He-2(+) and related systems. Our construction of e(x)(ex(conv)) by a resolution-of-the-identity method requires uncontracted basis functions.
C1 [Tao, Jianmin] Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA.
[Tao, Jianmin] Los Alamos Natl Lab, CNLS, Los Alamos, NM 87545 USA.
[Staroverov, Viktor N.] Univ Western Ontario, Dept Chem, London, ON N6A 5B7, Canada.
[Scuseria, Gustavo E.] Rice Univ, Dept Chem, Houston, TX 77005 USA.
[Perdew, John P.] Tulane Univ, Dept Phys, New Orleans, LA 70118 USA.
[Perdew, John P.] Tulane Univ, Quantum Theory Grp, New Orleans, LA 70118 USA.
RP Tao, JM (reprint author), Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA.
RI Scuseria, Gustavo/F-6508-2011
NR 62
TC 52
Z9 52
U1 1
U2 9
PU AMER PHYSICAL SOC
PI COLLEGE PK
PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
SN 1050-2947
EI 1094-1622
J9 PHYS REV A
JI Phys. Rev. A
PD JAN
PY 2008
VL 77
IS 1
AR 012509
DI 10.1103/PhysRevA.77.012509
PG 9
WC Optics; Physics, Atomic, Molecular & Chemical
SC Optics; Physics
GA 258IQ
UT WOS:000252862000080
ER
PT J
AU Yoshida, S
Reinhold, CO
Burgdorfer, J
Mestayer, JJ
Lancaster, JC
Dunning, FB
AF Yoshida, S.
Reinhold, C. O.
Burgdoerfer, J.
Mestayer, J. J.
Lancaster, J. C.
Dunning, F. B.
TI Transferring Rydberg wave packets between islands across the chaotic sea
SO PHYSICAL REVIEW A
LA English
DT Article
ID QUANTUM-SYSTEMS; ATOM
AB A protocol to take a Rydberg wave packet that is trapped in a period-1 island, i.e., that is synchronized with the period of the driving field, and transfer it to a period-2 island such that the wave packet evolves with twice the period is theoretically analyzed and experimentally demonstrated. Such period-doubling transitions are realized using two superposed trains of half-cycle pulses whose relative time delay is varied adiabatically. It is shown that this protocol provides a tool to manipulate the angle variable of a Rydberg wave packet while its conjugate principal action is maintained constant.
C1 [Yoshida, S.; Burgdoerfer, J.] Vienna Univ Technol, Inst Theoret Phys, Vienna, Austria.
[Reinhold, C. O.] Oak Ridge Natl Lab, Div Phys, Oak Ridge, TN 37831 USA.
[Reinhold, C. O.; Burgdoerfer, J.] Univ Tennessee, Dept Phys, Knoxville, TN 37996 USA.
[Mestayer, J. J.; Lancaster, J. C.; Dunning, F. B.] Rice Univ, Dept Phys & Astron, Houston, TX 77005 USA.
[Mestayer, J. J.; Lancaster, J. C.; Dunning, F. B.] Rice Univ, Rice Quantum Inst, Houston, TX 77005 USA.
RP Yoshida, S (reprint author), Vienna Univ Technol, Inst Theoret Phys, Vienna, Austria.
OI Reinhold, Carlos/0000-0003-0100-4962
NR 25
TC 4
Z9 4
U1 0
U2 1
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 JAN
PY 2008
VL 77
IS 1
AR 013411
DI 10.1103/PhysRevA.77.013411
PG 9
WC Optics; Physics, Atomic, Molecular & Chemical
SC Optics; Physics
GA 258IQ
UT WOS:000252862000127
ER
PT J
AU Chen, SY
Gong, XG
Wei, SH
AF Chen, Shiyou
Gong, X. G.
Wei, Su-Huai
TI Crystal structures and mechanical properties of superhard BC(2)N and
BC(4)N alloys: First-principles calculations
SO PHYSICAL REVIEW B
LA English
DT Article
ID ELASTIC-CONSTANTS; MIXED-CRYSTALS; BORON-NITRIDE; CUBIC BC2N; DIAMOND;
PSEUDOPOTENTIALS; STRENGTH; EQUATION; SCIENCE; SEARCH
AB Using first-principles calculation, we have investigated the structural and mechanical properties of the cubic (c)-BN/C(2) alloy systems, which are currently considered as strong candidates for superhard materials. We show that there is a sublinear dependence of the physical properties of the c-BC(2)N alloy on the number of C-C and B-N bonds in the system. Structures that maximize the number of C-C and B-N bonds have low energy, high density, and high bulk and shear moduli. Structures with unstable B-B and N-N bonds are expected to have higher energy, lower density, and elastic moduli. Based on the "bond counting rule," we have identified a series of low-energy (C(2))(n)/(BN)(m) (111) superlattices whose structural parameters are similar to the recently synthesized high-density BC(2)N and BC(4)N samples [Y. Zhao , J. Mater. Res. 17, 3139 (2002)]. The calculated bulk and shear moduli and ideal shear strengths under normal compression show that these BC(2)N and BC(4)N (111) superlattices are very strong in resistance to elastic distortion at equilibrium and plastic distortion under nanoindentation. Furthermore, we show that the calculated shear modulus and ideal shear strength under normal compression also have a sublinear relationship with the measured Vickers hardness for these high-density BN/C(2) alloy systems and could thus be used as a good indicator for the hardness of these alloys.
C1 [Chen, Shiyou; Gong, X. G.] Fudan Univ, Surface Sci Lab Natl Key, Shanghai 200433, Peoples R China.
[Chen, Shiyou; Gong, X. G.] Fudan Univ, Dept Phys, Shanghai 200433, Peoples R China.
[Wei, Su-Huai] Natl Renewable Energy Lab, Golden, CO 80401 USA.
RP Chen, SY (reprint author), Fudan Univ, Surface Sci Lab Natl Key, Shanghai 200433, Peoples R China.
RI gong, xingao /B-1337-2010; gong, xingao/D-6532-2011
NR 52
TC 27
Z9 28
U1 1
U2 25
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 JAN
PY 2008
VL 77
IS 1
AR 014113
DI 10.1103/PhysRevB.77.014113
PG 9
WC Physics, Condensed Matter
SC Physics
GA 258IS
UT WOS:000252862200029
ER
PT J
AU Chen, YC
Melko, RG
Wessel, S
Kao, YJ
AF Chen, Yu-Chun
Melko, Roger G.
Wessel, Stefan
Kao, Ying-Jer
TI Supersolidity from defect condensation in the extended boson Hubbard
model
SO PHYSICAL REVIEW B
LA English
DT Article
ID EINSTEIN CONDENSATION; PHASE; TRANSITION; SUPERFLUID; CRYSTALS; HELIUM;
ATOMS
AB We study the ground-state phase diagram of the hard-core extended boson Hubbard model on the square lattice with both nearest- and next-nearest-neighbor hoppings and repulsions, using Gutzwiller mean-field theory and quantum Monte Carlo simulations. We observe the formation of supersolid states with checkerboard, striped, and quarter-filled crystal structures when the system is doped away from commensurate fillings. In the striped supersolid phase, a strong anisotropy in the superfluid density is obtained from the simulations; however, the transverse component remains finite, indicating a true two-dimensional superflow. We find that upon doping, the striped supersolid transitions directly into the supersolid with quarter-filled crystal structure, via a first-order stripe melting transition.
C1 [Chen, Yu-Chun; Kao, Ying-Jer] Natl Taiwan Univ, Dept Phys, Taipei 106, Taiwan.
[Melko, Roger G.] Univ Waterloo, Dept Phys & Astron, Waterloo, ON N2L 3G1, Canada.
[Melko, Roger G.] Oak Ridge Natl Lab, Div Mat Sci & Technol, Oak Ridge, TN 37831 USA.
[Wessel, Stefan] Univ Stuttgart, Inst Theoret Phys 3, D-70550 Stuttgart, Germany.
[Kao, Ying-Jer] Natl Taiwan Univ, Ctr Theoret Sci, Taipei 106, Taiwan.
RP Chen, YC (reprint author), Natl Taiwan Univ, Dept Phys, Taipei 106, Taiwan.
EM yjkao@phys.ntu.edu.tw
RI Kao, Ying Jer/B-5297-2009
OI Kao, Ying Jer/0000-0002-3329-6018
NR 37
TC 31
Z9 31
U1 0
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 JAN
PY 2008
VL 77
IS 1
AR 014524
DI 10.1103/PhysRevB.77.014524
PG 7
WC Physics, Condensed Matter
SC Physics
GA 258IS
UT WOS:000252862200107
ER
PT J
AU Cheng, R
Bader, SD
Fradin, FY
AF Cheng, Ruihua
Bader, S. D.
Fradin, F. Y.
TI Strong magnetic surface anisotropy of ultrathin Fe on curved Pt(111)
SO PHYSICAL REVIEW B
LA English
DT Article
ID TRANSITION-METALS; VICINAL SURFACES; FILMS; NANOSTRUCTURES;
FERROMAGNETISM; FE(110); MOMENTS; W(110); CO
AB We investigate the step decoration growth and magnetic properties of Fe grown on a curved Pt(111) single crystal by means of low-energy electron diffraction, scanning tunneling microscopy, and the surface magneto-optical Kerr effect. We find that the step-induced magnetic anisotropy enhances the Curie temperature of Fe ultrathin films. Fe grown on high-vicinal-angle surfaces has larger values of both the saturation magnetization M(s) and coercivity H(c) compared with the flat surface. M(s)(alpha) increases quadratically with the vicinal angle alpha. The atomic steps of the vicinal surface greatly affect the magnetic properties of ultrathin Fe films. Finally we find that the step-induced surface anisotropy K(s)(alpha) is proportional to alpha(4). The surface anisotropy of Fe on curved Pt(111) substrate is related to the numbers of atoms at the step edges and the polarization of proximal Pt atoms.
C1 [Cheng, Ruihua] Indiana Univ Purdue Univ, Dept Phys, Indianapolis, IN 46202 USA.
[Bader, S. D.; Fradin, F. Y.] Argonne Natl Lab, Div Mat Sci, Argonne, IL 60439 USA.
RP Cheng, R (reprint author), Indiana Univ Purdue Univ, Dept Phys, 402 N Blackford St, Indianapolis, IN 46202 USA.
RI Bader, Samuel/A-2995-2013
NR 38
TC 8
Z9 8
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 JAN
PY 2008
VL 77
IS 2
AR 024404
DI 10.1103/PhysRevB.77.024404
PG 6
WC Physics, Condensed Matter
SC Physics
GA 258IW
UT WOS:000252862600047
ER
PT J
AU Da Silva, JLF
Stampfl, C
AF Da Silva, Juarez L. F.
Stampfl, Catherine
TI Trends in adsorption of noble gases He, Ne, Ar, Kr, and Xe on Pd(111)
(root 3 x root 3)R30 degrees: All-electron density-functional
calculations
SO PHYSICAL REVIEW B
LA English
DT Article
ID GENERALIZED-GRADIENT-APPROXIMATION; RARE-GASES; 1ST-PRINCIPLES
CALCULATIONS; SURFACE; ENERGY; XENON; ATOMS; GEOMETRY; KRYPTON; PT(111)
AB It was recently found from ab initio investigations [J. L. F. Da Silva , Phys. Rev. Lett. 90, 066104 (2003)] that polarization effects and the site dependence of the Pauli repulsion largely dictate the nature of the interaction and the site preference of Xe adatoms on close-packed metal surfaces. It is unclear if the same interaction mechanism occurs for all rare-gas atoms adsorbed on such surfaces. To address this question, we perform all-electron density-functional theory calculations with the local-density approximation (LDA) and generalized gradient approximations (GGA) for [He, Ne, Ar, Kr, and Xe]/Pd(111) in the (root 3 x root 3)R30 degrees structure. Our results confirm that polarization effects of the rare-gas adatoms and Pd atoms in the topmost surface layer, together with the site-dependent Pauli repulsion, largely determine the interaction between rare-gas atoms and the Pd(111) surface. Similar to the earlier ab initio study, the on-top site preference is obtained by the LDA for all rare-gas adatoms, while the GGA functionals yield the on-top site preference for Xe, Kr, and He adatoms, but the fcc site for Ne and Ar.
C1 [Da Silva, Juarez L. F.] Max Planck Gesell, Fritz Haber Inst, D-14195 Berlin, Germany.
[Stampfl, Catherine] Univ Sydney, Sch Phys, Sydney, NSW 2006, Australia.
RP Da Silva, JLF (reprint author), Natl Renewable Energy Lab, 1617 Cole Blvd, Golden, CO 80401 USA.
EM juarez_dasilva@nrel.gov; stampfl@physics.usyd.edu.au
RI Da Silva, Juarez L. F./B-5961-2008; Da Silva, Juarez L. F./D-1779-2011
OI Da Silva, Juarez L. F./0000-0003-0645-8760
NR 63
TC 37
Z9 37
U1 0
U2 9
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 JAN
PY 2008
VL 77
IS 4
AR 045401
DI 10.1103/PhysRevB.77.045401
PG 13
WC Physics, Condensed Matter
SC Physics
GA 258JB
UT WOS:000252863100103
ER
PT J
AU de Sousa, R
Moore, JE
AF de Sousa, Rogerio
Moore, Joel E.
TI Optical coupling to spin waves in the cycloidal multiferroic BiFeO(3)
SO PHYSICAL REVIEW B
LA English
DT Article
ID FILMS
AB The magnon and optical phonon spectrum of an incommensurate multiferroic such as BiFeO(3) is considered in the framework of a phenomenological Landau theory. The resulting spin wave spectrum is quite distinct from commensurate substances due to soft mode anisotropy and magnon zone folding. The former allows electrical control of spin wave propagation via reorientation of the spontaneous ferroelectric moment. The latter gives rise to multiple magnetodielectric resonances due to the coupling of optical phonons at zero wave vector to magnons at integer multiples of the cycloid wave vector. These results show that the optical response of a multiferroic reveals much more about its magnetic excitations than previously anticipated on the basis of simpler models.
C1 [de Sousa, Rogerio; Moore, Joel E.] Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA.
[Moore, Joel E.] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Mat Sci, Berkeley, CA 94720 USA.
RP de Sousa, R (reprint author), Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA.
RI de Sousa, Rogerio/C-1078-2008; Moore, Joel/O-4959-2016
OI de Sousa, Rogerio/0000-0003-4258-270X; Moore, Joel/0000-0002-4294-5761
NR 27
TC 51
Z9 51
U1 0
U2 5
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 JAN
PY 2008
VL 77
IS 1
AR 012406
DI 10.1103/PhysRevB.77.012406
PG 4
WC Physics, Condensed Matter
SC Physics
GA 258IS
UT WOS:000252862200009
ER
PT J
AU Duan, Y
AF Duan, Yuhua
TI Electronic properties and stabilities of bulk and low-index surfaces of
SnO in comparison with SnO(2): A first-principles density functional
approach with an empirical correction of van der Waals interactions
SO PHYSICAL REVIEW B
LA English
DT Article
ID GENERALIZED GRADIENT APPROXIMATION; TOTAL-ENERGY CALCULATIONS;
AUGMENTED-WAVE METHOD; X-RAY-DIFFRACTION; DISPERSION CORRECTIONS;
SNO2(110) SURFACE; METAL-OXIDE; TIN OXIDE; BASIS-SET; PHOTOEMISSION
AB The electronic properties and stabilities of SnO and SnO(2) bulk materials and their low-index surfaces are investigated by density functional theory. An empirical method has been adopted in this study to account for the van der Waals interactions among the Sn-O layers in the bulk and low-index surfaces of SnO. Compared with SnO(2), the structural and electronic properties of SnO bulk and its low-index surfaces present some unique features due to the dual valency of Sn. In SnO, the s orbital of Sn has larger contributions than its p and d orbitals in the first valence band (VB) and the p orbital of Sn has a larger contribution than its s and d orbitals in its conduction band (CB). In SnO(2), the p and d orbitals of Sn play an important role to form the upper part of the VB and its s orbital dominates in forming the lower parts of the VB and the CB. In both oxides, the s orbital of O forms the second VB with lower energy and its p orbitals are involved in forming the first VB and the CB. The calculated bulk modulus and cohesive energy agree well with the experimental measurements. By constructing all possible symmetrical low-index surfaces of SnO and the (111) surface of SnO(2), our results reveal that the calculated surface energies of SnO stoichiometric surfaces are lower than that of the corresponding surfaces of SnO(2) due to different bonding between Sn and O in these two oxides. The calculated stabilities of the low-index stoichiometric surfaces of SnO are in the order (001)>(101)/(011)>=(010)/(100)>(110)>(111) while the order in the case of SnO(2) is (110)>(010)/(100)>(101)/(011)>(001)>(111). The calculated relationships between surface free energies [gamma(p,T)] and oxygen chemical potentials [mu(O)(p,T)] indicate that the nonstoichiometric O-terminated (110) and (111) surfaces of SnO could be more stable than their corresponding stoichiometric ones when the mu(O)(p,T) reaches its higher O-rich bound, and one Sn-terminated nonstoichiometric (111) surface of SnO(2) could be more stable than its stoichiometric ones when the mu(O)(p,T) falls into its lower O-poor region. During surface formation from the bulk, the stable surface usually has small atom displacements. For both SnO and SnO(2) the atoms on the (111) surface have larger relaxations than on their other low-index surfaces.
C1 [Duan, Yuhua] US DOE, Natl Energy Technol Lab, Pittsburgh, PA 15236 USA.
[Duan, Yuhua] Parson, South Pk, PA 15129 USA.
RP Duan, Y (reprint author), US DOE, Natl Energy Technol Lab, Pittsburgh, PA 15236 USA.
EM duany@netl.doe.gov
RI Duan, Yuhua/D-6072-2011
OI Duan, Yuhua/0000-0001-7447-0142
NR 73
TC 68
Z9 68
U1 6
U2 45
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 JAN
PY 2008
VL 77
IS 4
AR 045332
DI 10.1103/PhysRevB.77.045332
PG 22
WC Physics, Condensed Matter
SC Physics
GA 258JB
UT WOS:000252863100102
ER
PT J
AU Fine, BV
Egami, T
AF Fine, B. V.
Egami, T.
TI Phase separation in the vicinity of quantum-critical doping
concentration: Implications for high-temperature superconductors
SO PHYSICAL REVIEW B
LA English
DT Article
ID T-J MODEL; COPPER-OXIDE SUPERCONDUCTORS; BI2SR2CACU2O8+DELTA; PSEUDOGAP;
STATE; LA2CUO4+DELTA
AB A general quantitative measure of the tendency towards phase separation is introduced for systems exhibiting phase transitions or crossovers controlled by charge carrier concentration. This measure is devised for the situations when the quantitative knowledge of various contributions to free energy is incomplete, and is applied to evaluate the chances of electronic phase separation associated with the onset of antiferromagnetic correlations in high-temperature cuprate superconductors. The experimental phenomenology of lanthanum- and yittrium-based cuprates was used as input to this analysis. It is also pointed out that Coulomb repulsion between charge carriers separated by the distances of 1-3 lattice periods strengthens the tendency towards phase separation by accelerating the decay of antiferromagnetic correlations with doping. Overall, the present analysis indicates that cuprates are realistically close to the threshold of phase separation-nanoscale-limited in-plane or even macroscopic with charge density varying between adjacent crystal planes.
C1 [Fine, B. V.; Egami, T.] Univ Tennessee, Dept Phys & Astron, Knoxville, TN 37996 USA.
[Fine, B. V.] Univ Heidelberg, Inst Theoret Phys, D-69120 Heidelberg, Germany.
[Egami, T.] Univ Tennessee, Dept Mat Sci & Engn, Knoxville, TN 37996 USA.
[Egami, T.] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
RP Fine, BV (reprint author), Univ Tennessee, Dept Phys & Astron, Knoxville, TN 37996 USA.
EM B.Fine@thphys.uni-heidelberg.de; egami@utk.edu
NR 48
TC 14
Z9 14
U1 1
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 JAN
PY 2008
VL 77
IS 1
AR 014519
DI 10.1103/PhysRevB.77.014519
PG 13
WC Physics, Condensed Matter
SC Physics
GA 258IS
UT WOS:000252862200102
ER
PT J
AU Fuentes-Cabrera, M
Baskes, MI
Melechko, AV
Simpson, ML
AF Fuentes-Cabrera, Miguel
Baskes, M. I.
Melechko, Anatoli V.
Simpson, Michael L.
TI Bridge structure for the graphene/Ni(111) system: A first principles
study
SO PHYSICAL REVIEW B
LA English
DT Article
ID TOTAL-ENERGY CALCULATIONS; AUGMENTED-WAVE METHOD; GRAPHITIC CARBON;
BASIS-SET; NI(111); SURFACE; METALS; NICKEL
AB The structure of graphene on Ni(111) is studied with density functional theory (DFT). Six different structures, i.e., top-fcc, top-hcp, hcp-fcc, bridge-top, bridge-fcc, and bridge-hcp, were investigated. Bridge-top, bridge-fcc, and bridge-hcp are studied here. Top-fcc and hcp-fcc have been considered before, experimentally and theoretically, and regarded as energetically stable structures. The calculations employed the local density approximation (LDA) and the Perdew, Burke, and Ernzerhof (PBE) generalized-gradient approximation to DFT. The results showed that with PBE, none of the structures is stable at the experimentally relevant temperatures; with LDA, only bridge-top and top-fcc are stable. These findings suggest that it will be worthwhile to carry on new experimental studies to revisit the structural determination of the graphene/Ni(111) system, with special emphasis on testing whether bridge-top could exist by itself or coexist with other structures.
C1 [Fuentes-Cabrera, Miguel; Melechko, Anatoli V.; Simpson, Michael L.] Oak Ridge Natl Lab, Ctr Nanophase Mat Sci & Comp Sci, Div Math, Oak Ridge, TN 37831 USA.
[Melechko, Anatoli V.; Simpson, Michael L.] Oak Ridge Natl Lab, Div Mat Sci & Technol, Oak Ridge, TN 37831 USA.
[Simpson, Michael L.] Univ Tennessee, Dept Mat Sci & Engn, Knoxville, TN 37996 USA.
[Baskes, M. I.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
RP Fuentes-Cabrera, M (reprint author), Oak Ridge Natl Lab, Ctr Nanophase Mat Sci & Comp Sci, Div Math, POB 2008, Oak Ridge, TN 37831 USA.
EM fuentescabma@ornl.gov
RI Melechko, Anatoli/B-8820-2008; Simpson, Michael/A-8410-2011;
Fuentes-Cabrera, Miguel/Q-2437-2015
OI Simpson, Michael/0000-0002-3933-3457; Fuentes-Cabrera,
Miguel/0000-0001-7912-7079
NR 24
TC 98
Z9 98
U1 7
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 JAN
PY 2008
VL 77
IS 3
AR 035405
DI 10.1103/PhysRevB.77.035405
PG 5
WC Physics, Condensed Matter
SC Physics
GA 258IZ
UT WOS:000252862900119
ER
PT J
AU Hill, JM
McQueeney, RJ
Wu, R
Dennis, K
McCallum, RW
Huang, M
Lograsso, TA
AF Hill, J. M.
McQueeney, R. J.
Wu, Ruqian
Dennis, K.
McCallum, R. W.
Huang, M.
Lograsso, T. A.
TI Low temperature heat capacity of Fe(1-x)Ga(x) alloys with large
magnetostriction
SO PHYSICAL REVIEW B
LA English
DT Article
ID FE-GA; NI-FE; IRON; MAGNETOELASTICITY; METALS
AB The low temperature heat capacity C(p) of Fe(1-x)Ga(x) alloys with large magnetostriction has been investigated. The data were analyzed in the standard way using electron (gamma T) and phonon (beta T(3)) contributions. The Debye temperature Theta(D) decreases approximately linearly with increasing Ga concentration, consistent with previous resonant ultrasound measurements and measured phonon dispersion curves. Calculations of Theta(D) from lattice dynamical models and from measured elastic constants C(11), C(12), and C(44) are in agreement with the measured data. The linear coefficient of electronic specific heat gamma remains relatively constant as the Ga concentration increases, despite the fact that the magnetoelastic coupling increases. Band structure calculations show that this is due to the compensation of majority and minority spin states at the Fermi level.
C1 [Hill, J. M.] Iowa State Univ, Inst Phys Res & Technol, Ames, IA 50011 USA.
[McQueeney, R. J.] Iowa State Univ, Dept Phys & Astron, Ames, IA 50011 USA.
[McQueeney, R. J.; Dennis, K.; McCallum, R. W.; Huang, M.; Lograsso, T. A.] Iowa State Univ, Ames Lab, Ames, IA 50011 USA.
[Wu, Ruqian] Univ Calif Irvine, Dept Phys & Astron, Irvine, CA 92697 USA.
RP Hill, JM (reprint author), Iowa State Univ, Inst Phys Res & Technol, Ames, IA 50011 USA.
EM mcqueeney@ameslab.gov
RI Wu, Ruqian/C-1395-2013; McQueeney, Robert/A-2864-2016
OI Wu, Ruqian/0000-0002-6156-7874; McQueeney, Robert/0000-0003-0718-5602
NR 25
TC 2
Z9 2
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 JAN
PY 2008
VL 77
IS 1
AR 014430
DI 10.1103/PhysRevB.77.014430
PG 5
WC Physics, Condensed Matter
SC Physics
GA 258IS
UT WOS:000252862200072
ER
PT J
AU Htoon, H
Furis, M
Crooker, SA
Jeong, S
Klimov, VI
AF Htoon, H.
Furis, M.
Crooker, S. A.
Jeong, S.
Klimov, V. I.
TI Linearly polarized 'fine structure' of the bright exciton state in
individual CdSe nanocrystal quantum dots
SO PHYSICAL REVIEW B
LA English
DT Article
ID EXCHANGE INTERACTION; DARK-EXCITON; PHOTOLUMINESCENCE; CONFINEMENT;
ORIENTATION; RELAXATION; MICROSCOPY; ELECTRON; EMISSION
AB We report polarization-resolved, low-temperature, high-spectral-resolution studies of the photoluminescence from individual CdSe nanocrystal quantum dots (NQDs). The spectra reveal a 'fine structure' splitting of the bright exciton state in a subset of the studied NQDs. The two fine structure states are spectrally separated by an energy of up to 3 meV depending on NQD size and are characterized by linearly (and orthogonally) polarized emission dipoles. The average splitting scales approximately with inverse NQD volume, consistent with an anisotropic electron-hole exchange interaction which can result from a breakdown of cylindrical symmetry in some of the NQDs.
C1 [Htoon, H.; Jeong, S.; Klimov, V. I.] Los Alamos Natl Lab, Ctr Integrated Nanotechnologies, Div Chem, Los Alamos, NM 87545 USA.
[Furis, M.; Crooker, S. A.] Los Alamos Natl Lab, Natl High Magnet Fields Lab, Los Alamos, NM 87545 USA.
RP Klimov, VI (reprint author), Los Alamos Natl Lab, Ctr Integrated Nanotechnologies, Div Chem, POB 1663, Los Alamos, NM 87545 USA.
EM klimov@lanl.gov
RI Furis, Madalina/F-8090-2015;
OI Furis, Madalina/0000-0001-9007-5492; Jeong, Sohee/0000-0002-9863-1374;
Klimov, Victor/0000-0003-1158-3179; Htoon, Han/0000-0003-3696-2896
NR 31
TC 25
Z9 25
U1 1
U2 18
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 JAN
PY 2008
VL 77
IS 3
AR 035328
DI 10.1103/PhysRevB.77.035328
PG 7
WC Physics, Condensed Matter
SC Physics
GA 258IZ
UT WOS:000252862900109
ER
PT J
AU Huang, J
Hyun, C
Chuang, TM
Kim, J
Goodenough, JB
Zhou, JS
Mitchell, JF
de Lozanne, A
AF Huang, Junwei
Hyun, Changbae
Chuang, Tien-Ming
Kim, Jeehoon
Goodenough, J. B.
Zhou, J. -S.
Mitchell, J. F.
de Lozanne, Alex
TI Magnetic state of La(1.36)Sr(1.64)Mn(2)O(7) probed by magnetic force
microscopy
SO PHYSICAL REVIEW B
LA English
DT Article
ID PHASE SEGREGATION; MAGNETORESISTANCE; MANGANITES; TRANSITION; CRYSTAL
AB We have investigated the ferromagnetic (FM) domain structure of a single-crystal bilayered manganite La(2-2x)Sr(1+2x)Mn(2)O(7) (x=0.32) by using low-temperature magnetic force microscopy. We observed that below 65 K, the FM domains form stable treelike patterns with out-of-plane magnetization. With increasing temperature, the FM domain patterns gradually change in the form of domain wall motion. Above 80 K, the FM domain patterns change more and more with each temperature step. The magnetization changes from the out-of-plane to an in-plane direction around 88 K. The in-plane FM domains almost completely disappear near the Curie temperature of this sample (T(C)approximate to 110 K), where the resistivity exhibits a sharp increase. We also observed large changes in the magnetic structures upon thermal cycling. We concluded that the formation of FM domains at low temperatures (T < 80 K) is determined by the energy associated with surface magnetic free poles and domain walls. At high temperatures (80 K < T < T(C)), the two-dimensional FM fluctuations in the basal plane may also play an important role in forming the domain structures. The evolution of the FM domain patterns with temperature coincides with the change in resistivity.
C1 [Huang, Junwei; Hyun, Changbae; Chuang, Tien-Ming; Kim, Jeehoon; Goodenough, J. B.; Zhou, J. -S.; de Lozanne, Alex] Univ Texas Austin, Dept Phys, Texas Mat Inst, Austin, TX 78712 USA.
[Mitchell, J. F.] Argonne Natl Lab, Div Mat Sci, Argonne, IL 60439 USA.
RP de Lozanne, A (reprint author), Univ Texas Austin, Dept Phys, Texas Mat Inst, Austin, TX 78712 USA.
EM delozanne@physics.utexas.edu
RI Kim, Jeehoon/K-3763-2012; de Lozanne, Alex/C-9693-2013;
OI Kim, Jeehoon/0000-0002-5742-5347; de Lozanne, Alex/0000-0003-2950-4707;
Goodenough, John Bannister/0000-0001-9350-3034
NR 24
TC 9
Z9 9
U1 2
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 JAN
PY 2008
VL 77
IS 2
AR 024405
DI 10.1103/PhysRevB.77.024405
PG 5
WC Physics, Condensed Matter
SC Physics
GA 258IW
UT WOS:000252862600048
ER
PT J
AU Jiang, JS
Pearson, JE
Bader, SD
AF Jiang, J. S.
Pearson, J. E.
Bader, S. D.
TI Absence of spin transport in the organic semiconductor Alq(3)
SO PHYSICAL REVIEW B
LA English
DT Article
ID CHARGE INJECTION; INTERFACE; ELECTRON; DEVICES; METAL;
MAGNETORESISTANCE; MOLECULES; ALUMINUM; FUTURE; ENERGY
AB There have been differing interpretations regarding the magnetoresistance (MR) reported in spin-valve structures containing thick layers of the organic semiconductor tris-(8-hydroxyquinoline) aluminum (Alq(3)). While some attribute it to spin injection and transport in Alq(3), others suggest tunneling through locally thin regions of the Alq(3) layer as the mechanism. We present results of magnetotransport and charge transport measurements on Alq(3)-based spin valves and unipolar devices where the Alq(3) thickness is beyond the tunneling limit. We observe no measurable MR in the Fe/Alq(3)/Co spin valve structures. Measurements of temperature-dependent current-voltage characteristics and comparisons with unipolar devices show that charge transport in Fe/Alq(3)/Co spin valves is by holes only and is injection-limited. The hole-only transport in Alq(3) is stable only at low current densities. This supports the tunneling interpretation of the earlier reported MR. Similar to inorganic semiconductors, the large conductivity mismatch between the metal electrodes and the organic semiconductor prevents spin injection. However, inserting a tunnel barrier between the magnetic electrode and the organic semiconductor did not improve spin injection.
C1 [Jiang, J. S.; Pearson, J. E.; Bader, S. D.] Argonne Natl Lab, Div Mat Sci, Argonne, IL 60439 USA.
RP Jiang, JS (reprint author), Argonne Natl Lab, Div Mat Sci, 9700 S Cass Ave, Argonne, IL 60439 USA.
RI Bader, Samuel/A-2995-2013; Shi, Shengwei/E-3355-2010; Riminucci,
Alberto/D-7525-2011
OI Shi, Shengwei/0000-0002-3298-1726; Riminucci,
Alberto/0000-0003-0976-1810
NR 33
TC 79
Z9 79
U1 3
U2 20
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 JAN
PY 2008
VL 77
IS 3
AR 035303
DI 10.1103/PhysRevB.77.035303
PG 7
WC Physics, Condensed Matter
SC Physics
GA 258IZ
UT WOS:000252862900084
ER
PT J
AU Kalinin, SV
Meunier, V
AF Kalinin, Sergei V.
Meunier, Vincent
TI Electronic flexoelectricity in low-dimensional systems
SO PHYSICAL REVIEW B
LA English
DT Article
ID MOLECULAR-ORBITAL METHODS; WALLED CARBON NANOTUBES; BASIS-SETS;
PIEZOELECTRICITY
AB Symmetry breaking at surfaces and interfaces and the capability to support large strain gradients in nanoscale systems enable unusual forms of electromechanical coupling. Here, we introduce the concept of electronic flexoelectricity, a phenomenon that is manifested when the mechanical deformation of nonpolar quantum systems results in the emergence of net dipole moments and hence linear electromechanical coupling proportional to local curvature. The concept is illustrated in carbon systems, including polyacetylene and nanographitic ribbons. Using density functional theory calculations for systems made of up to 400 atoms, we determine the flexoelectric coefficients to be of the order of similar to 0.1e, in agreement with the prediction of linear theory. The implications of electronic flexoelectricity on electromechanical device applications and physics of carbon-based materials are discussed.
C1 [Kalinin, Sergei V.; Meunier, Vincent] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
RP Kalinin, SV (reprint author), Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
RI Meunier, Vincent/F-9391-2010; Kalinin, Sergei/I-9096-2012
OI Meunier, Vincent/0000-0002-7013-179X; Kalinin,
Sergei/0000-0001-5354-6152
NR 33
TC 57
Z9 57
U1 1
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 JAN
PY 2008
VL 77
IS 3
AR 033403
DI 10.1103/PhysRevB.77.033403
PG 4
WC Physics, Condensed Matter
SC Physics
GA 258IZ
UT WOS:000252862900018
ER
PT J
AU Koshelev, AE
Bulaevskii, LN
AF Koshelev, A. E.
Bulaevskii, L. N.
TI Resonant electromagnetic emission from intrinsic Josephson-junction
stacks with laterally modulated Josephson critical current
SO PHYSICAL REVIEW B
LA English
DT Article
ID VORTEX STATE; PLASMA RESONANCE; SINGLE-CRYSTALS; MESA STRUCTURES;
FLUX-FLOW; RADIATION; ARRAYS; BI2SR2CACU2O8+DELTA; SUPERCONDUCTORS;
SYNCHRONIZATION
AB Intrinsic Josephson-junction stacks realized in mesas fabricated out of high-temperature superconductors may be used as sources of coherent electromagnetic radiation in the terahertz range. The major challenge is to synchronize Josephson oscillations in all junctions in the stack to get significant radiation out of the crystal edge parallel to the c axis. We suggest a simple way to solve this problem via artificially prepared lateral modulation of the Josephson critical current identical in all junctions. In such a stack, phase oscillations excite the in-phase Fiske mode when the Josephson frequency matches the Fiske-resonance frequency which is set by the stack lateral size. The powerful, almost standing electromagnetic wave is excited inside the crystal in the resonance. This wave is homogeneous across the layers, meaning that the oscillations are synchronized in all junctions in the stack. We evaluate behavior of the I-V characteristics and radiated power near the resonance for arbitrary modulation and find exact solutions for several special cases corresponding to symmetric and asymmetric modulations of the critical current.
C1 [Koshelev, A. E.] Argonne Natl Lab, Div Mat Sci, Argonne, IL 60439 USA.
[Bulaevskii, L. N.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
RP Koshelev, AE (reprint author), Argonne Natl Lab, Div Mat Sci, 9700 S Cass Ave, Argonne, IL 60439 USA.
RI Koshelev, Alexei/K-3971-2013
OI Koshelev, Alexei/0000-0002-1167-5906
NR 45
TC 82
Z9 82
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 JAN
PY 2008
VL 77
IS 1
AR 014530
DI 10.1103/PhysRevB.77.014530
PG 15
WC Physics, Condensed Matter
SC Physics
GA 258IS
UT WOS:000252862200113
ER
PT J
AU Li, M
Chung, PW
Cox, E
Jenks, CJ
Thiel, PA
Evans, JW
AF Li, Maozhi
Chung, P. -W.
Cox, E.
Jenks, C. J.
Thiel, P. A.
Evans, J. W.
TI Exploration of complex multilayer film growth morphologies: STM analysis
and predictive atomistic modeling for Ag on Ag(111)
SO PHYSICAL REVIEW B
LA English
DT Article
ID BY-LAYER GROWTH; ISLAND NUCLEATION; EPITAXY; METAL
AB Scanning tunneling microscopy studies are integrated with development of a realistic atomistic model to both characterize and elucidate the complex mounded morphologies formed by deposition of Ag on Ag(111) at 150 and 180 K. Threefold symmetric lateral shapes of islands and mounds are shown to reflect the influence of a nonuniform step edge barrier inhibiting interlayer transport. Modeling of structure at the mound peaks leads to a sensitive estimate of the magnitude of this large barrier.
C1 Iowa State Univ, Inst Phys Res & Technol, Dept Chem, Ames Lab US DOE, Ames, IA 50011 USA.
Iowa State Univ, Inst Phys Res & Technol, Dept Mat Sci & Engn, Ames Lab US DOE, Ames, IA 50011 USA.
Iowa State Univ, Inst Phys Res & Technol, Dept Math, Ames Lab US DOE, Ames, IA USA.
RP Li, M (reprint author), Iowa State Univ, Inst Phys Res & Technol, Dept Chem, Ames Lab US DOE, Ames, IA 50011 USA.
NR 23
TC 14
Z9 15
U1 0
U2 10
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 JAN
PY 2008
VL 77
IS 3
AR 033402
DI 10.1103/PhysRevB.77.033402
PG 4
WC Physics, Condensed Matter
SC Physics
GA 258IZ
UT WOS:000252862900017
ER
PT J
AU Li, SL
Yamani, Z
Kang, HJ
Segawa, K
Ando, Y
Yao, X
Mook, HA
Dai, PC
AF Li, Shiliang
Yamani, Zahra
Kang, Hye Jung
Segawa, Kouji
Ando, Yoichi
Yao, Xin
Mook, H. A.
Dai, Pengcheng
TI Quantum spin excitations through the metal-to-insulator crossover in
YBa(2)Cu(3)O(6+y)
SO PHYSICAL REVIEW B
LA English
DT Article
ID TRANSITION-TEMPERATURE SUPERCONDUCTOR; MAGNETIC EXCITATIONS;
LA2-XSRXCUO4; DYNAMICS; STRIPES; PR0.88LACE0.12CUO4-DELTA; STATE
AB We use inelastic neutron scattering to study the temperature dependence of the spin excitations of a detwinned superconducting YBa(2)Cu(3)O(6.45) (T(c)=48 K). In contrast to earlier work on YBa(2)Cu(3)O(6.5) (T(c)=58 K), where the prominent features in the magnetic spectra consist of a sharp collective magnetic excitation termed "resonance" and a large (h omega approximate to 15 meV) superconducting spin gap, we find that the spin excitations in YBa(2)Cu(3)O(6.45) are gapless and have a much broader resonance. Our detailed mapping of magnetic scattering along the a(*)/b(*)-axis directions at different energies reveals that spin excitations are unisotropic and consistent with the "hourglasslike" dispersion along the a(*)-axis direction near the resonance, but they are isotropic at lower energies. Since a fundamental change in the low-temperature normal state of YBa(2)Cu(3)O(6+y) when superconductivity is suppressed takes place at y similar to 0.5 with a metal-to-insulator crossover (MIC), where the ground state transforms from a metallic to an insulatinglike phase, our results suggest a clear connection between the large change in spin excitations and the MIC. The resonance therefore is a fundamental feature of metallic ground state superconductors and a consequence of high-T(c) superconductivity.
C1 [Li, Shiliang; Dai, Pengcheng] Univ Tennessee, Dept Phys & Astron, Knoxville, TN 37996 USA.
[Yamani, Zahra] Chalk River Labs, Natl Res Council, Canadian Neutron Beam Ctr, Chalk River, ON K0J 1J0, Canada.
[Kang, Hye Jung] NIST, NIST Ctr Neutron Res, Gaithersburg, MD 20899 USA.
[Segawa, Kouji] Univ Maryland, Dept Mat Sci & Engn, College Pk, MD 20742 USA.
[Segawa, Kouji] Cent Res Inst Elect Power Ind, Tokyo 2018511, Japan.
[Ando, Yoichi] Osaka Univ, Inst Sci & Ind Res, Osaka 5670047, Japan.
[Yao, Xin] Shanghai Jiao Tong Univ, Dept Phys, Shanghai 200030, Peoples R China.
[Mook, H. A.; Dai, Pengcheng] Oak Ridge Natl Lab, Neutron Scattering Sci Div, Oak Ridge, TN 37831 USA.
RP Li, SL (reprint author), Univ Tennessee, Dept Phys & Astron, Knoxville, TN 37996 USA.
EM slli@utk.edu; daip@ornl.gov
RI Li, Shiliang/B-9379-2009; yamani, zahra/B-7892-2012; Dai, Pengcheng
/C-9171-2012; Ando, Yoichi/B-8163-2013; SEGAWA, Kouji/D-4204-2014; YAO,
XIN/O-5678-2015
OI Dai, Pengcheng /0000-0002-6088-3170; Ando, Yoichi/0000-0002-3553-3355;
SEGAWA, Kouji/0000-0002-3633-4809;
NR 46
TC 19
Z9 19
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 JAN
PY 2008
VL 77
IS 1
AR 014523
DI 10.1103/PhysRevB.77.014523
PG 8
WC Physics, Condensed Matter
SC Physics
GA 258IS
UT WOS:000252862200106
ER
PT J
AU Luo, ZT
Papadimitrakopoulos, F
Doorn, SK
AF Luo, Zhengtang
Papadimitrakopoulos, Fotios
Doorn, Stephen K.
TI Bundling effects on the intensities of second-order Raman modes in
semiconducting single-walled carbon nanotubes
SO PHYSICAL REVIEW B
LA English
DT Article
ID RESONANCE RAMAN; AGGREGATION; SPECTRA; FLUORESCENCE; SPECTROSCOPY;
EXCITONS; STATE
AB The second-order Raman modes in the range of 380 - 650 cm(-1) were investigated for individually dispersed and aggregated HiPco single-walled carbon nanotubes (SWNTs) using a 700 - 985 nm tunable laser source. For individually dispersed SWNTs, this Raman region displays relatively weak response from both intermediate frequency modes (IFMs) and the overtones of the radial breathing mode (RBM), with the latter dominating. In contrast, for aggregated SWNTs, the IFMs dominate and gain significant intensity relative to the RBM fundamental. Utilizing the correlation between RBM overtone and RBM fundamental intensity ratio as a function of laser energy, we derived Huang-Rhys factors for several (n,m) nanotube species in both individually dispersed and aggregated states. These values were further used to obtain the corresponding absolute values of the exciton-phonon interaction matrix element for these nanotube species. It is demonstrated that the chiral-angle dependence of exciton-phonon coupling parameters is similar for dispersed and bundled samples. However, we find that bundling results in a decrease in the exciton-phonon coupling for the RBM, while the IFMs display the opposite behavior. These findings are particularly relevant for further clarifying the factors that govern Raman intensities and provide a tool for the selective characterization of various mod(n - m,3)=2(n,m)-SWNTs as a function of their aggregation state.
C1 [Luo, Zhengtang; Papadimitrakopoulos, Fotios] Univ Connecticut, Dept Chem, Polymer Program, Nanomat Optoelect Lab, Storrs, CT 06269 USA.
[Doorn, Stephen K.] Los Alamos Natl Lab, Div Chem, Los Alamos, NM 87545 USA.
RP Papadimitrakopoulos, F (reprint author), Univ Connecticut, Dept Chem, Polymer Program, Nanomat Optoelect Lab, U-60, Storrs, CT 06269 USA.
EM papadim@mail.ims.uconn.edu; skdoorn@lanl.gov
RI luo, Zhengtang/C-4270-2008
OI luo, Zhengtang/0000-0002-5134-9240
NR 44
TC 15
Z9 15
U1 0
U2 11
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 JAN
PY 2008
VL 77
IS 3
AR 035421
DI 10.1103/PhysRevB.77.035421
PG 9
WC Physics, Condensed Matter
SC Physics
GA 258IZ
UT WOS:000252862900135
ER
PT J
AU Manley, ME
Asta, M
Lashley, JC
Retford, CM
Hults, WL
Taylor, RD
Thoma, DJ
Smith, JL
Hackenberg, RE
Littrell, K
AF Manley, M. E.
Asta, M.
Lashley, J. C.
Retford, C. M.
Hults, W. L.
Taylor, R. D.
Thoma, D. J.
Smith, J. L.
Hackenberg, R. E.
Littrell, K.
TI Soft-phonon feature, site defects, and a frustrated phase transition in
Ni50Ti47Fe3: Experiments and first-principles calculations
SO PHYSICAL REVIEW B
LA English
DT Article
ID BRILLOUIN-ZONE INTEGRATION; AUGMENTED-WAVE METHOD; SHAPE-MEMORY ALLOYS;
ULTRASOFT PSEUDOPOTENTIALS; INTERMEDIATE PHASE; NITI; TRANSFORMATION;
TI50NI47FE3; METALS
AB A soft-phonon feature associated with the shape-memory transition in NiTi is observed in the phonon density of states (DOS) of the B2 phase of both NiTi and Ni50Ti47Fe3 (with Fe substituted for Ti) using inelastic neutron scattering. In both alloys, the feature softens with decreasing temperature, but the softening occurs about 100 K lower in the Fe-substituted alloy, indicating a decreased transition temperature. Electrical resistivity and magnetic susceptibility verify the decreased transition temperature but also show that the transition develops second-order-like behavior similar to that observed by others in Ni44Ti50Fe6 (with Fe substituted for Ni). First-principles calculations supported by Mossbauer spectroscopy and neutron diffraction indicate a double-defect scenario, where Fe occupies Ni sites and the displaced Ni occupies the empty Ti sites in the Ti-substituted alloys. A comparison between the current results for Ti-substituted alloys, and related experimental data for alloys featuring Fe substitution for Ni, indicates that the instability temperature is controlled by the number of Fe atoms occupying the Ni sites, while the second-order-like behavior is caused by the addition of the Ni antisite defects. We argue that this latter behavior results from percolated networks of interacting defects acting to frustrate the symmetry-breaking strains.
C1 [Manley, M. E.] Lawrence Livermore Natl Lab, Livermore, CA 94551 USA.
[Manley, M. E.; Asta, M.; Retford, C. M.] Univ Calif Davis, Dept Chem Engn & Mat Sci, Davis, CA 95616 USA.
[Lashley, J. C.; Hults, W. L.; Taylor, R. D.; Thoma, D. J.; Smith, J. L.; Hackenberg, R. E.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
[Littrell, K.] Argonne Natl Lab, Argonne, IL 60439 USA.
RP Manley, ME (reprint author), Lawrence Livermore Natl Lab, Livermore, CA 94551 USA.
RI Manley, Michael/N-4334-2015; Littrell, Kenneth/D-2106-2013;
OI Littrell, Kenneth/0000-0003-2308-8618; Hackenberg,
Robert/0000-0002-0380-5723
NR 32
TC 2
Z9 2
U1 0
U2 5
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 JAN
PY 2008
VL 77
IS 2
AR 024201
DI 10.1103/PhysRevB.77.024201
PG 7
WC Physics, Condensed Matter
SC Physics
GA 258IW
UT WOS:000252862600029
ER
PT J
AU Mizoguchi, T
Varela, M
Buban, JP
Yamamoto, T
Ikuhara, Y
AF Mizoguchi, Teruyasu
Varela, Maria
Buban, James P.
Yamamoto, Takahisa
Ikuhara, Yuichi
TI Site dependence and peak assignment of YBa(2)Cu(3)O(7-x)OK-edge electron
energy loss near-edge fine structure
SO PHYSICAL REVIEW B
LA English
DT Article
ID SUPERCONDUCTIVITY; ELNES; YBA2CU3O7-DELTA; CHEMISTRY; XANES; STATE
AB The different peaks in the O K-edge near-edge fine structure of YBa(2)Cu(3)O(7-x) are interpreted here by using overlap population diagram. This study identifies the peaks in the spectrum as follows: (1) the first peak purely originates from O-Cu interactions, (2) the contributions from Y, Ba, and Cu are comparable at the second and third peaks, (3) and the fourth peak has the largest O-Cu interactions. Therefore, the first and/or fourth peaks and second and/or third peaks can be sensitive to the changes in the atomic and electronic structure at Cu and Y/Ba sites, respectively. The spectral differences depending on the atomic site are also discussed.
C1 [Mizoguchi, Teruyasu; Buban, James P.; Ikuhara, Yuichi] Univ Tokyo, Inst Engn Innovat, Tokyo 1138656, Japan.
[Varela, Maria] Oak Ridge Natl Lab, Div Mat Sci & Technol, Oak Ridge, TN 37831 USA.
[Yamamoto, Takahisa] Univ Tokyo, Dept Adv Mat Sci, Chiba 2778561, Japan.
RP Mizoguchi, T (reprint author), Univ Tokyo, Inst Engn Innovat, 2-11-16 Yayoi, Tokyo 1138656, Japan.
RI Ikuhara, Yuichi/F-3066-2010; Mizoguchi, Teruyasu/B-8044-2008; Varela,
Maria/H-2648-2012; Varela, Maria/E-2472-2014; Ikuhara,
Yuichi/N-1001-2015
OI Mizoguchi, Teruyasu/0000-0003-3712-7307; Varela,
Maria/0000-0002-6582-7004; Ikuhara, Yuichi/0000-0003-3886-005X
NR 27
TC 13
Z9 13
U1 0
U2 5
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 JAN
PY 2008
VL 77
IS 2
AR 024504
DI 10.1103/PhysRevB.77.024504
PG 5
WC Physics, Condensed Matter
SC Physics
GA 258IW
UT WOS:000252862600078
ER
PT J
AU Mudryk, Y
Paudyal, D
Pecharsky, VK
Gschneidner, KA
AF Mudryk, Ya.
Paudyal, D.
Pecharsky, V. K.
Gschneidner, K. A., Jr.
TI Magnetostructural transition in Gd5Si0.5Ge3.5: Magnetic and x-ray powder
diffraction measurements, and theoretical calculations
SO PHYSICAL REVIEW B
LA English
DT Article
ID ELECTRONIC-STRUCTURE; MAGNETOOPTICAL PROPERTIES; GIANT
MAGNETORESISTANCE; MAGNETOCALORIC COMPOUND; CORRELATION-ENERGY;
GD-5(SIXGE1-X)(4); GD-5(SI2GE2); GD-5(SI0.1GE0.9)(4); BEHAVIOR; GE
AB Magnetostructural transition, which occurs at 77 K (89 K) in the heat-treated (as cast) Gd5Si0.5Ge3.5, has been examined both experimentally, by magnetic and x-ray powder diffraction measurements, and theoretically, by ab initio calculations. Similar to that observed in a related Gd5Si0.4Ge3.6 alloy, this first-order phase transformation from a high-temperature Sm5Ge4-type [O(II)] phase to a low-temperature Gd5Si4-type [O(I)] phase is accompanied by an antiferromagnetic to ferromagnetic transition. The H-T phase diagram, which includes both structural and magnetic features, has been constructed. The total energy as a function of unit-cell volume calculated from first principles confirms the experimentally observed first-order nature of the magnetostructural transformation. Experimental results supported by theoretical calculations indicate that Si promotes the O(II)-Gd5Si0.5Ge3.5 to O(I)-Gd5Si0.5Ge3.5 transformation by exerting chemical pressure.
C1 [Mudryk, Ya.; Paudyal, D.; Pecharsky, V. K.; Gschneidner, K. A., Jr.] Iowa State Univ, Ames Lab, Ames, IA 50011 USA.
[Pecharsky, V. K.; Gschneidner, K. A., Jr.] Iowa State Univ, Dept Mat Sci & Engn, Ames, IA 50011 USA.
RP Pecharsky, VK (reprint author), Iowa State Univ, Ames Lab, Ames, IA 50011 USA.
EM vitkp@ameslab.gov
NR 64
TC 25
Z9 25
U1 2
U2 9
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 JAN
PY 2008
VL 77
IS 2
AR 024408
DI 10.1103/PhysRevB.77.024408
PG 12
WC Physics, Condensed Matter
SC Physics
GA 258IW
UT WOS:000252862600051
ER
PT J
AU Ru, N
Condron, CL
Margulis, GY
Shin, KY
Laverock, J
Dugdale, SB
Toney, MF
Fisher, IR
AF Ru, N.
Condron, C. L.
Margulis, G. Y.
Shin, K. Y.
Laverock, J.
Dugdale, S. B.
Toney, M. F.
Fisher, I. R.
TI Effect of chemical pressure on the charge density wave transition in
rare-earth tritellurides RTe(3)
SO PHYSICAL REVIEW B
LA English
DT Article
ID PHASE-TRANSITION; SMTE3
AB The charge density wave transition is investigated in the bilayer family of rare-earth tritelluride RTe(3) compounds (R=Sm, Gd, Tb, Dy, Ho, Er, and Tm) via high-resolution x-ray diffraction and electrical resistivity. The transition temperature increases monotonically with increasing lattice parameter from 244(3) K for TmTe(3) to 416(3) K for SmTe(3). The heaviest members of the series, R=Dy, Ho, Er, and Tm, are observed to have a second transition at a lower temperature, which marks the onset of an additional charge density wave with wave vector almost equal in magnitude to the first, but oriented in the perpendicular direction.
C1 [Ru, N.; Margulis, G. Y.; Shin, K. Y.; Fisher, I. R.] Stanford Univ, Geballe Lab Adv Mat, Stanford, CA 94305 USA.
[Ru, N.; Margulis, G. Y.; Shin, K. Y.; Fisher, I. R.] Stanford Univ, Dept Appl Phys, Stanford, CA 94305 USA.
[Condron, C. L.; Toney, M. F.] Stanford Linear Accelerator Ctr, Stanford Synchrotron Radiat Lab, Menlo Pk, CA 94025 USA.
[Laverock, J.; Dugdale, S. B.] Univ Bristol, HH Wills Phys Lab, Bristol BS8 1TL, Avon, England.
RP Ru, N (reprint author), Stanford Univ, Geballe Lab Adv Mat, Stanford, CA 94305 USA.
RI Dugdale, Stephen/F-4066-2011; Laverock, Jude/G-4537-2010
OI Dugdale, Stephen/0000-0002-2738-2235; Laverock, Jude/0000-0003-3653-8171
NR 31
TC 80
Z9 80
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 JAN
PY 2008
VL 77
IS 3
AR 035114
DI 10.1103/PhysRevB.77.035114
PG 9
WC Physics, Condensed Matter
SC Physics
GA 258IZ
UT WOS:000252862900047
ER
PT J
AU Sales, BC
Jin, R
Mandrus, D
AF Sales, Brian C.
Jin, Rongying
Mandrus, David
TI Orientation dependence of the anomalous Hall resistivity in single
crystals of Yb14MnSb11
SO PHYSICAL REVIEW B
LA English
DT Article
ID KONDO-LATTICE; BERRY PHASE; FERROMAGNETICS; CEPDSB
AB The Hall resistivity, electrical resistivity, and magnetization of single crystals of the tetragonal ferromagnet Yb14MnSb11 are reported as a function of the direction of the current I and magnetic field H with respect to the principal crystallographic axes. With I along the unique c direction and H in the a-b plane, the anomalous Hall resistivity in the limit of zero applied field is negative for all temperatures T < T-C=53 K. In this direction, the anomalous Hall effect behaves in a manner similar to that observed in other ferromagnets such as Fe, Co, Mn5Ge3, and EuFe4Sb12. However, with I in the a-b plane and H along the c direction, the anomalous Hall behavior is completely different. The anomalous Hall resistivity data are positive for all T < T-C and a similar analysis of these data fails. In this direction, the anomalous response is not a simple linear function of the magnetization order parameter, and for a fixed temperature, (T < T-C) does not depend on the magnitude of the magnetization perpendicular to the current in the a-b plane. That is, when the magnetization and applied field are rotated away from the c direction, the anomalous Hall resistivity does not change. In all other soft ferromagnets that we have examined (including La doped crystals of Yb14MnSb11, i.e., Yb13.3La0.7MnSb11), rotation of the magnetization and magnetic field by an angle theta away from a direction perpendicular to I results in a decrease in both the anomalous and normal portions of the Hall resistivity that approximately scales as cos(theta). We suggest that the unique response exhibited by Yb14MnSb11 is a direct reflection of the delicate balance between ferromagnetism and Kondo screening.
C1 [Sales, Brian C.; Jin, Rongying; Mandrus, David] Oak Ridge Natl Lab, Div Mat Sci & Technol, Oak Ridge, TN 37831 USA.
RP Sales, BC (reprint author), Oak Ridge Natl Lab, Div Mat Sci & Technol, POB 2008, Oak Ridge, TN 37831 USA.
RI Mandrus, David/H-3090-2014
NR 39
TC 18
Z9 19
U1 1
U2 18
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 JAN
PY 2008
VL 77
IS 2
AR 024409
DI 10.1103/PhysRevB.77.024409
PG 9
WC Physics, Condensed Matter
SC Physics
GA 258IW
UT WOS:000252862600052
ER
PT J
AU Shan, L
Huang, Y
Wang, YL
Li, SL
Zhao, J
Dai, PC
Zhang, YZ
Ren, C
Wen, HH
AF Shan, L.
Huang, Y.
Wang, Y. L.
Li, Shiliang
Zhao, Jun
Dai, Pengcheng
Zhang, Y. Z.
Ren, C.
Wen, H. H.
TI Weak-coupling Bardeen-Cooper-Schrieffer superconductivity in the
electron-doped cuprate superconductors
SO PHYSICAL REVIEW B
LA English
DT Article
ID D-WAVE SUPERCONDUCTORS; TUNNELING SPECTROSCOPY; TRANSITION; TEMPERATURE;
PSEUDOGAP
AB We use in-plane tunneling spectroscopy to study the temperature dependence of the local superconducting gap Delta(T) in electron-doped copper oxides with various T(c)'s and Ce-doping concentrations. We show that the temperature dependence of Delta(T) follows the expectation of the Bardeen-Cooper-Schrieffer (BCS) theory of superconductivity, where Delta(0)/k(B)T(c)approximate to 1.72 +/- 0.15 and Delta(0) is the average superconducting gap across the Fermi surface, for all the doping levels investigated. These results suggest that the electron-doped superconducting copper oxides are weak-coupling BCS superconductors.
C1 [Shan, L.; Huang, Y.; Wang, Y. L.; Zhang, Y. Z.; Ren, C.; Wen, H. H.] Chinese Acad Sci, Natl Lab Superconduct, Inst Phys, Beijing 100080, Peoples R China.
[Li, Shiliang; Zhao, Jun; Dai, Pengcheng] Chinese Acad Sci, Beijing Natl Lab Condensed Matter Phys, Beijing 100080, Peoples R China.
[Li, Shiliang; Zhao, Jun; Dai, Pengcheng] Univ Tennessee, Dept Phys & Astron, Knoxville, TN 37996 USA.
[Dai, Pengcheng] Oak Ridge Natl Lab, Neutron Scattering Sci Div, Oak Ridge, TN 37831 USA.
RP Shan, L (reprint author), Chinese Acad Sci, Natl Lab Superconduct, Inst Phys, POB 603, Beijing 100080, Peoples R China.
EM shanlei@ssc.iphy.ac.cn; hhwen@aphy.iphy.ac.cn
RI Li, Shiliang/B-9379-2009; Zhao, Jun/A-2492-2010; Dai, Pengcheng
/C-9171-2012; Wang, Yong-Lei/N-7940-2013
OI Zhao, Jun/0000-0002-0421-8934; Dai, Pengcheng /0000-0002-6088-3170;
Wang, Yong-Lei/0000-0003-0391-7757
NR 36
TC 25
Z9 26
U1 2
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 JAN
PY 2008
VL 77
IS 1
AR 014526
DI 10.1103/PhysRevB.77.014526
PG 5
WC Physics, Condensed Matter
SC Physics
GA 258IS
UT WOS:000252862200109
ER
PT J
AU Singh, DJ
AF Singh, D. J.
TI Comment on "Evidence for strong electronic correlations in the spectra
of Sr(2)RuO(4)"
SO PHYSICAL REVIEW B
LA English
DT Editorial Material
ID MEAN-FIELD THEORY; SUPERCONDUCTOR SR2RUO4; SPIN FLUCTUATIONS;
FERMI-SURFACE; LDA+U METHOD; FERROMAGNETISM; TRIPLET; SYSTEMS; STATES;
NIO
AB It is pointed out that O 2p states dominate the electronic structure of Sr(2)RuO(4) in the similar to-3 eV region and can explain the observation of a peak in the density of states in photoemission experiments. This contradicts claims that a lower Hubbard band is needed at 3 eV binding energy.
C1 Oak Ridge Natl Lab, Div Mat Sci & Technol, Oak Ridge, TN 37831 USA.
RP Singh, DJ (reprint author), Oak Ridge Natl Lab, Div Mat Sci & Technol, Oak Ridge, TN 37831 USA.
RI Singh, David/I-2416-2012
NR 41
TC 6
Z9 6
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 JAN
PY 2008
VL 77
IS 4
AR 046101
DI 10.1103/PhysRevB.77.046101
PG 4
WC Physics, Condensed Matter
SC Physics
GA 258JB
UT WOS:000252863100137
ER
PT J
AU Stercel, F
Egami, T
Mook, HA
Yethiraj, M
Chung, JH
Arai, M
Frost, C
Dogan, F
AF Stercel, F.
Egami, T.
Mook, H. A.
Yethiraj, M.
Chung, J. -H.
Arai, M.
Frost, C.
Dogan, F.
TI Composition dependence of the in-plane Cu-O bond-stretching LO phonon
mode in YBa2Cu3O6+x
SO PHYSICAL REVIEW B
LA English
DT Article
ID HIGH-TEMPERATURE SUPERCONDUCTORS; T-J MODEL; COPPER-OXIDE
SUPERCONDUCTORS; LATTICE-DYNAMICS; BI2SR2CACU2O8+DELTA;
LA1.85SR0.15CUO4; INHOMOGENEITY; EXCITATIONS; DENSITY
AB An inelastic pulsed neutron scattering study was performed on the dependence of the dispersion and spectral intensity of the in-plane Cu-O bond-stretching LO phonon mode on doped charge density. The measurements were made in the time-of-flight mode with the multiangle position sensitive spectrometer of the ISIS facility on single crystals of YBa2Cu3O6+x (x=0.15, 0.35, 0.6, 0.7, and 0.95). The focus of the study is the in-plane Cu-O bond-stretching LO phonon mode, which is known for strong electron-phonon coupling and unusual dependence on composition and temperature. It is shown that the dispersions for the samples with x=0.35, 0.6, and 0.7 are similar to the superposition of those for x=0.15 and 0.95 samples, and cannot be explained in terms of the structural anisotropy. It is suggested that the results are consistent with the model of nanoscale electronic phase separation, with the fraction of the phases being dependent on the doped charge density.
C1 [Stercel, F.; Chung, J. -H.] Univ Penn, Dept Mat Sci & Engn, Philadelphia, PA 19104 USA.
[Egami, T.] Univ Tennessee, Joint Inst Neutron Sci, Knoxville, TN 37996 USA.
[Egami, T.] Univ Tennessee, Dept Mat Sci & Engn, Knoxville, TN 37996 USA.
[Egami, T.] Univ Tennessee, Dept Phys & Astron, Knoxville, TN 37996 USA.
[Egami, T.; Mook, H. A.; Yethiraj, M.] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
[Yethiraj, M.] Australian Nucl Sci & Technol Org, Bragg Inst, Menai, NSW 2234, Australia.
[Chung, J. -H.] Korea Univ, Dept Phys, Seoul 126713, South Korea.
[Arai, M.] Japan Atom Energy Agcy, J PARC Ctr, Tokai, Ibaraki 3191195, Japan.
[Frost, C.] Rutherford Appleton Lab, Didcot OX11 0QX, Oxon, England.
[Dogan, F.] Univ Missouri, Dept Mat Sci, Rolla, MO 65409 USA.
RP Stercel, F (reprint author), Univ Penn, Dept Mat Sci & Engn, 3231 Walnut St, Philadelphia, PA 19104 USA.
NR 42
TC 8
Z9 8
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 JAN
PY 2008
VL 77
IS 1
AR 014502
DI 10.1103/PhysRevB.77.014502
PG 9
WC Physics, Condensed Matter
SC Physics
GA 258IS
UT WOS:000252862200085
ER
PT J
AU Tang, SJ
Jeng, HT
Hsue, CS
Ismail
Sprunger, PT
Plummer, EW
AF Tang, S. -J.
Jeng, H. -T.
Hsue, Chen-Shiung
Ismail
Sprunger, P. T.
Plummer, E. W.
TI Surface state influence on the surface lattice structure in
Be(10(1)over-bar0)
SO PHYSICAL REVIEW B
LA English
DT Article
ID TOTAL-ENERGY CALCULATIONS; AUGMENTED-WAVE METHOD; CORE-LEVEL SHIFTS;
PHOTOEMISSION SPECTRA; BE(0001) SURFACE; METAL-SURFACES; FRIEDEL
OSCILLATIONS; ELECTRONIC-STRUCTURE; BASIS-SET; RELAXATION
AB Three major surface related bands, S1, S2, and surface resonance, of Be(10 (1) over bar0) dispersing in the large projected bulk band gaps from (A) over bar to (Gamma) over bar are reexamined by first-principles calculations. A comparison between experimentally and theoretically determined surface electronic structure reveals that charge redistribution dictates and explains the observed abnormal inward relaxation (T=0) and thermal contraction (T > 0) of the surface lattice structure. Through first-principles calculations, possible mechanisms of this synergistic interplay between the electronic and lattice structures are proposed.
C1 [Tang, S. -J.; Jeng, H. -T.; Hsue, Chen-Shiung] Natl Tsing Hua Univ, Dept Phys & Astron, Hsinchu 30013, Taiwan.
[Tang, S. -J.] Natl Synchrotron Radiat Res Ctr, Hsinchu 30076, Taiwan.
[Jeng, H. -T.] Acad Sinica, Inst Phys, Taipei 11529, Taiwan.
[Ismail; Plummer, E. W.] Univ Tennessee, Dept Phys & Astron, Knoxville, TN 37996 USA.
[Plummer, E. W.] Oak Ridge Natl Lab, Div Solid State, Oak Ridge, TN 37831 USA.
[Sprunger, P. T.] Louisiana State Univ, Dept Phys & Astron, Baton Rouge, LA 70806 USA.
RP Tang, SJ (reprint author), Natl Tsing Hua Univ, Dept Phys & Astron, Hsinchu 30013, Taiwan.
EM sjtang@phys.nthu.edu.tw; jeng@phys.sinica.edu.tw
NR 38
TC 10
Z9 10
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 JAN
PY 2008
VL 77
IS 4
AR 045405
DI 10.1103/PhysRevB.77.045405
PG 6
WC Physics, Condensed Matter
SC Physics
GA 258JB
UT WOS:000252863100107
ER
PT J
AU Vestgarden, JI
Bergli, J
Galperin, YM
AF Vestgarden, J. I.
Bergli, J.
Galperin, Y. M.
TI Nonlinearly driven Landau-Zener transition in a qubit with telegraph
noise
SO PHYSICAL REVIEW B
LA English
DT Article
AB We study Landau-Zener-like dynamics of a qubit influenced by transverse random telegraph noise. The telegraph noise is characterized by its coupling strength upsilon and switching rate gamma. The qubit energy levels are driven nonlinearly in time, proportional to sgn(t)vertical bar t vertical bar(nu), and we derive the transition probability in the limit of sufficiently fast noise, for arbitrary exponent nu. The level occupation after the transition depends strongly on nu, and there exists a critical nu(c) with qualitative difference between nu nu(c). When nu nu(c), the system keeps some coherence depending on the strength of the noise, and in the limit of weak noise, no transition takes place. For fast noise nu(c)=1/2, while for slow noise nu(c)< 1/2 and it depends on gamma. We also discuss phase coherence, which is relevant when the qubit has a nonzero minimum energy gap. The qualitative dependency on nu is the same for the phase coherence and level occupation. The state after the transition does, in general, depend on gamma. For fixed upsilon, increasing gamma decreases the final state coherence when nu < 1 and increases the final state coherence when nu>1. Only the conventional linear driving is independent of gamma.
C1 [Vestgarden, J. I.; Bergli, J.; Galperin, Y. M.] Univ Oslo, Dept Phys, N-0316 Oslo, Norway.
[Galperin, Y. M.] Univ Oslo, Ctr Adv Mat & Nanotechnol, N-0316 Oslo, Norway.
[Galperin, Y. M.] Russian Acad Sci, AF Ioffe Physicotech Inst, St Petersburg 194021, Russia.
[Galperin, Y. M.] Argonne Natl Lab, Argonne, IL 60439 USA.
RP Vestgarden, JI (reprint author), Univ Oslo, Dept Phys, POB 1048, N-0316 Oslo, Norway.
RI Bergli, Joakim/A-1707-2008
NR 32
TC 10
Z9 10
U1 1
U2 2
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 JAN
PY 2008
VL 77
IS 1
AR 014514
DI 10.1103/PhysRevB.77.014514
PG 7
WC Physics, Condensed Matter
SC Physics
GA 258IS
UT WOS:000252862200097
ER
PT J
AU Wang, X
Spataru, CD
Hybertsen, MS
Millis, AJ
AF Wang, X.
Spataru, C. D.
Hybertsen, M. S.
Millis, A. J.
TI Electronic correlation in nanoscale junctions: Comparison of the GW
approximation to a numerically exact solution of the single-impurity
Anderson model
SO PHYSICAL REVIEW B
LA English
DT Article
ID ORGANIC-MOLECULES; CONDUCTANCE; TRANSPORT; SYSTEMS; METALS; TRANSISTORS;
LIMIT
AB The impact of electronic correlation in nanoscale junctions, e.g., formed by single molecules, is analyzed using the single-impurity Anderson model. Numerically exact quantum Monte Carlo calculations are performed to map out the orbital filling, linear response conductance, and spectral function as a function of the Coulomb interaction strength and the impurity level position. These numerical results form a benchmark against which approximate but more broadly applicable approaches to include electronic correlation in transport can be compared. As an example, the self-consistent GW approximation has been implemented for the Anderson model and the results have been compared to this benchmark. For weak coupling or for level positions such that the impurity is either nearly empty or nearly full, the GW approximation is found to be accurate. However, for intermediate or strong coupling, the GW approximation does not properly represent the impact of spin or charge fluctuations. Neither the spectral function nor the linear response conductance is accurately given across the Coulomb blockade plateau and well into the mixed valence regimes.
C1 [Wang, X.; Millis, A. J.] Columbia Univ, Dept Phys, New York, NY 10027 USA.
[Spataru, C. D.] Columbia Univ, Ctr Electron Transport Mol Nanostruct, New York, NY 10027 USA.
[Hybertsen, M. S.] Brookhaven Natl Lab, Ctr Funct Nanomat, Upton, NY 11973 USA.
RP Wang, X (reprint author), Columbia Univ, Dept Phys, New York, NY 10027 USA.
RI Wang, Xin/F-5509-2011;
OI Wang, Xin/0000-0003-2971-5088; Hybertsen, Mark S/0000-0003-3596-9754
NR 60
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 1098-0121
J9 PHYS REV B
JI Phys. Rev. B
PD JAN
PY 2008
VL 77
IS 4
AR 045119
DI 10.1103/PhysRevB.77.045119
PG 10
WC Physics, Condensed Matter
SC Physics
GA 258JB
UT WOS:000252863100038
ER
PT J
AU Wu, BA
Zhang, Z
AF Wu, Biao
Zhang, Zhenyu
TI Stability of metallic thin films studied with a free electron model
SO PHYSICAL REVIEW B
LA English
DT Article
ID QUANTUM-WELL STATES; GROWTH; HEIGHT; PB; SUPERCONDUCTIVITY; OVERLAYERS;
INTERFACE; ISLANDS
AB The stability of metallic thin films is studied with a free electron model, which is popularly known as the model of "particle in a box." A detailed theoretical framework is presented, along with discussion on typical metals, such as Pb, Al, Ag, Na, and Be. This simple model is found to be able to describe well the oscillation pattern of stability for continuous metallic films. In particular, it yields even-odd oscillations in the stability of Pb(111) film, consistent with both experimental observation and ab initio results. However, the free electron model is too crude to predict at what thickness a film is stable. Film stability is further examined with a model of "particle in a corrugated box," where a lattice potential is added along the vertical direction of a film. The effect of lattice potential is found not substantial.
C1 [Wu, Biao] Chinese Acad Sci, Inst Phys, Beijing 100080, Peoples R China.
[Zhang, Zhenyu] Oak Ridge Natl Lab, Div Mat Sci & Technol, Oak Ridge, TN 37831 USA.
[Zhang, Zhenyu] Univ Tennessee, Dept Phys & Astron, Knoxville, TN 37996 USA.
RP Wu, BA (reprint author), Chinese Acad Sci, Inst Phys, POB 603, Beijing 100080, Peoples R China.
RI Wu, Biao/B-3329-2008
OI Wu, Biao/0000-0001-9229-5894
NR 38
TC 20
Z9 20
U1 0
U2 10
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 JAN
PY 2008
VL 77
IS 3
AR 035410
DI 10.1103/PhysRevB.77.035410
PG 12
WC Physics, Condensed Matter
SC Physics
GA 258IZ
UT WOS:000252862900124
ER
PT J
AU Ye, H
Chen, G
Zhu, Y
Wei, SH
AF Ye, Honggang
Chen, Guangde
Zhu, Youzhang
Wei, Su-Huai
TI Asymmetry of adsorption of oxygen at wurtzite AlN (0001) and
(000(1)over-bar) surfaces: First-principles calculations
SO PHYSICAL REVIEW B
LA English
DT Article
ID ALUMINUM NITRIDE; AB-INITIO; ALN; GAN
AB First-principles calculations are performed to study the adsorption of oxygen at wurtzite AlN (0001) and (000 (1) over bar) surfaces as a function of oxygen coverage. We find that the adsorption of oxygen at the AlN (000 (1) over bar) surface has a larger binding energy than at the AlN (0001) surface. The hollow site (H3) is preferred for the (0001) surface, whereas the site directly above the Al sublayer and the H3 site are almost degenerate in energy for the (000 (1) over bar) surface. The trend of the adsorption energy as a function of the oxygen coverage for the AlN (0001) surface is similar to that of GaN, whereas for the AlN (000 (1) over bar) surface it is different from GaN. The asymmetry of the oxygen adsorption at the two surfaces is explained using the electron counting rule and the resulting surface electronic states.
C1 [Ye, Honggang; Chen, Guangde; Zhu, Youzhang] Xian Jiaotong Univ, Dept Appl Phys, Xian 710049, Peoples R China.
[Wei, Su-Huai] Natl Renewable Energy Lab, Golden, CO 80401 USA.
RP Ye, H (reprint author), Xian Jiaotong Univ, Dept Appl Phys, Xian 710049, Peoples R China.
RI Ye, Honggang/A-8035-2008; Chen, Guangde/D-4373-2011; chen,
guangde/I-4260-2014
OI Ye, Honggang/0000-0002-5643-5914;
NR 26
TC 16
Z9 16
U1 2
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 JAN
PY 2008
VL 77
IS 3
AR 033302
DI 10.1103/PhysRevB.77.033302
PG 4
WC Physics, Condensed Matter
SC Physics
GA 258IZ
UT WOS:000252862900011
ER
PT J
AU Zapf, VS
Correa, VF
Sengupta, P
Batista, CD
Tsukamoto, M
Kawashima, N
Egan, P
Pantea, C
Migliori, A
Betts, JB
Jaime, M
Paduan-Filho, A
AF Zapf, V. S.
Correa, V. F.
Sengupta, P.
Batista, C. D.
Tsukamoto, M.
Kawashima, N.
Egan, P.
Pantea, C.
Migliori, A.
Betts, J. B.
Jaime, M.
Paduan-Filho, A.
TI Direct measurement of spin correlations using magnetostriction
SO PHYSICAL REVIEW B
LA English
DT Article
ID TEMPERATURE-DEPENDENCE; PRESSURE-DEPENDENCE; CONSTANTS
AB We demonstrate that the short-range spin correlator < S(i)center dot S(j)>, a fundamental measure of the interaction between adjacent spins, can be directly measured in certain insulating magnets. We present magnetostriction data for the insulating organic compound NiCl(2)-4SC(NH(2))(2), and show that the magnetostriction as a function of field is proportional to the dominant short-range spin correlator. Furthermore, the constant of proportionality between the magnetostriction and the spin correlator gives information about the spin-lattice interaction. Combining these results with the measured Young's modulus, we are able to extract dJ/dz, the dependence of the superexchange constant J on the Ni interionic distance z.
C1 [Zapf, V. S.; Sengupta, P.; Egan, P.; Pantea, C.; Migliori, A.; Betts, J. B.; Jaime, M.] Los Alamos Natl Lab, NHMFL, Los Alamos, NM 87545 USA.
[Correa, V. F.] NHMFL, Tallahassee, FL 32210 USA.
[Sengupta, P.; Batista, C. D.] LANL, T 11 Condensed Matter & Thermal Phys, Los Alamos, NM 87545 USA.
[Tsukamoto, M.; Kawashima, N.] Univ Tokyo, Inst Solid State Phys, Tokyo, Japan.
[Egan, P.] Oklahoma State Univ, Stillwater, OK 74078 USA.
[Paduan-Filho, A.] Univ Sao Paulo, Inst Fis, BR-01498 Sao Paulo, Brazil.
RP Correa, VF (reprint author), Comis Nacl Energia Atom, Ctr Atom Bariloche, RA-8400 San Carlos De Bariloche, Rio Negro, Argentina.
RI Pantea, Cristian/D-4108-2009; PaduanFilho, Armando/H-2443-2011; Zapf,
Vivien/K-5645-2013; Jaime, Marcelo/F-3791-2015; Sengupta,
Pinaki/B-6999-2011; Batista, Cristian/J-8008-2016;
OI Zapf, Vivien/0000-0002-8375-4515; Jaime, Marcelo/0000-0001-5360-5220;
Pantea, Cristian/0000-0002-0805-8923
NR 21
TC 22
Z9 22
U1 3
U2 11
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 JAN
PY 2008
VL 77
IS 2
AR 020404
DI 10.1103/PhysRevB.77.020404
PG 4
WC Physics, Condensed Matter
SC Physics
GA 258IW
UT WOS:000252862600006
ER
PT J
AU Zhang, QM
An, M
Yuan, SK
Wu, Y
Wu, D
Luo, JL
Wang, NL
Bao, W
Wang, YN
AF Zhang, Qingming
An, Ming
Yuan, Shikui
Wu, Yong
Wu, Dong
Luo, Jianlin
Wang, Nanlin
Bao, Wei
Wang, Yening
TI Phonon softening and forbidden mode in Na(0.5)CoO(2) observed by Raman
scattering
SO PHYSICAL REVIEW B
LA English
DT Article
ID TEMPERATURE-DEPENDENCE; PHASE-TRANSITIONS; OPTICAL PHONONS;
SEMICONDUCTORS; DIAMOND; NAXCOO2; COO2
AB Polarized Raman scattering measurements have been performed on Na(0.5)CoO(2) single crystal from 8 to 305 K. Both the A(1g) and E(1g) phonon modes show a softening below T(c1)approximate to 83 K. Additionally, the A(1g) phonon mode, which is forbidden in the scattering geometry of cross polarization for the triangular CoO(2) layers, appears below T(c1). In contrast, the metal-insulator transition at T(c2)approximate to 46 K has only secondary effect on the Raman spectra. The phonon softening and the "forbidden" Raman intensity follow closely magnetic order parameter and the gap function at the Fermi surface, indicating that the distortion of CoO(6) octahedra at T(c1), instead of the Na ordering at similar to 350 K, is the relevant structural component of the 83 K phase transition.
C1 [Zhang, Qingming] Renmin Univ China, Dept Phys, Beijing 100872, Peoples R China.
[Zhang, Qingming; An, Ming; Yuan, Shikui; Wu, Yong; Wang, Yening] Nanjing Univ, Dept Phys, Natl Lab Solid State Microstruct, Nanjing 210093, Peoples R China.
[Wu, Dong; Luo, Jianlin; Wang, Nanlin] Chinese Acad Sci, Inst Phys, Beijing Natl Lab Condensed Matter Phys, Beijing 100080, Peoples R China.
[Bao, Wei] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
RP Zhang, QM (reprint author), Renmin Univ China, Dept Phys, Beijing 100872, Peoples R China.
EM qmzhang@ruc.edu.cn
RI Bao, Wei/E-9988-2011; 石, 源/D-5929-2012; ruc, phy/E-4170-2012
OI Bao, Wei/0000-0002-2105-461X;
NR 35
TC 5
Z9 7
U1 0
U2 12
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 JAN
PY 2008
VL 77
IS 4
AR 045110
DI 10.1103/PhysRevB.77.045110
PG 5
WC Physics, Condensed Matter
SC Physics
GA 258JB
UT WOS:000252863100029
ER
PT J
AU Zong, X
Suh, BJ
Niazi, A
Yan, JQ
Schlagel, DL
Lograsso, TA
Johnston, DC
AF Zong, X.
Suh, B. J.
Niazi, A.
Yan, J. Q.
Schlagel, D. L.
Lograsso, T. A.
Johnston, D. C.
TI (17)O and (51)V NMR for the zigzag spin-1 chain compound CaV(2)O(4)
SO PHYSICAL REVIEW B
LA English
DT Article
ID GAPLESS CHIRAL PHASE; S=1; LAVO3; STATE
AB (51)V NMR studies on CaV(2)O(4) single crystals and (17)O NMR studies on (17)O-enriched powder samples are reported. The temperature dependences of the (17)O NMR linewidth and nuclear spin-lattice relaxation rate give strong evidence for a long-range antiferromagnetic transition at T(N)=78 K in the powder. Magnetic susceptibility measurements show that T(N)=69 K in the crystals. A zero-field (51)V NMR signal was observed at low temperatures (f approximate to 237 MHz at 4.2 K) in the crystals. The field-swept spectra with the field in different directions suggest the presence of two antiferromagnetic substructures. Each substructure is collinear, with the easy axes of the two substructures separated by an angle of 19(1)degrees, and with their average direction pointing approximately along the b axis of the crystal structure. The two spin substructures contain equal numbers of spins. The temperature dependence of the ordered moment, measured up to 45 K, shows the presence of an energy gap E(G) in the antiferromagnetic spin wave excitation spectrum. Antiferromagnetic spin wave theory suggests that E(G)/k(B) lies between 64 and 98 K.
C1 [Zong, X.; Suh, B. J.; Niazi, A.; Yan, J. Q.; Schlagel, D. L.; Lograsso, T. A.; Johnston, D. C.] Ames Lab, Mat & Engn Phys Program, Ames, IA 50011 USA.
[Zong, X.; Johnston, D. C.] Iowa State Univ, Dept Phys & Astron, Ames, IA 50011 USA.
[Suh, B. J.] Catholic Univ Korea, Dept Phys, Puchon 420743, South Korea.
RP Zong, X (reprint author), Ames Lab, Mat & Engn Phys Program, Ames, IA 50011 USA.
EM bjsuh@catholic.ac.kr
RI Zong, Xiaopeng/F-1529-2011
NR 20
TC 20
Z9 20
U1 0
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 JAN
PY 2008
VL 77
IS 1
AR 014412
DI 10.1103/PhysRevB.77.014412
PG 10
WC Physics, Condensed Matter
SC Physics
GA 258IS
UT WOS:000252862200054
ER
PT J
AU Adare, A
Afanasiev, S
Aidala, C
Ajitanand, NN
Akiba, Y
Al-Bataineh, H
Alexander, J
Al-Jamel, A
Aoki, K
Aphecetche, L
Armendariz, R
Aronson, SH
Asai, J
Atomssa, ET
Averbeck, R
Awes, TC
Azmoun, B
Babintsev, V
Baksay, G
Baksay, L
Baldisseri, A
Barish, KN
Barnes, PD
Bassalleck, B
Bathe, S
Batsouli, S
Baublis, V
Bauer, F
Bazilevsky, A
Belikov, S
Bennett, R
Berdnikov, Y
Bickley, AA
Bjorndal, MT
Boissevain, JG
Borel, H
Boyle, K
Brooks, ML
Brown, DS
Bucher, D
Buesching, H
Bumazhnov, V
Bunce, G
Burward-Hoy, JM
Butsyk, S
Campbell, S
Chai, JS
Chang, BS
Charvet, JL
Chernichenko, S
Chiba, J
Chi, CY
Chiu, M
Choi, IJ
Chujo, T
Chung, P
Churyn, A
Cianciolo, V
Cleven, CR
Cobigo, Y
Cole, BA
Comets, MP
Constantin, P
Csanad, M
Csoergo, T
Dahms, T
Das, K
David, G
Deaton, MB
Dehmelt, K
Delagrange, H
Denisov, A
d'Enterria, D
Deshpande, A
Desmond, EJ
Dietzsch, O
Dion, A
Donadelli, M
Drachenberg, JL
Drapier, O
Drees, A
Dubey, AK
Durum, A
Dzhordzhadze, V
Efremenko, YV
Egdemir, J
Ellinghaus, F
Emam, WS
Enokizono, A
En'yo, H
Espagnon, B
Esumi, S
Eyser, KO
Fields, DE
Finger, M
Finger, M
Fleuret, F
Fokin, SL
Forestier, B
Fraenkel, Z
Frantz, JE
Franz, A
Frawley, AD
Fujiwara, K
Fukao, Y
Fung, SY
Fusayasu, T
Gadrat, S
Garishvili, I
Gastineau, F
Germain, M
Glenn, A
Gong, H
Gonin, M
Gosset, J
Goto, Y
de Cassagnac, RG
Grau, N
Greene, SV
Perdekamp, MG
Gunji, T
Gustafsson, HA
Hachiya, T
Hadj Henni, A
Haegemann, C
Haggerty, JS
Hagiwara, MN
Hamagaki, H
Han, R
Harada, H
Hartouni, EP
Haruna, K
Harvey, M
Haslum, E
Hasuko, K
Hayano, R
Heffner, M
Hemmick, TK
Hester, T
Heuser, JM
He, X
Hiejima, H
Hill, JC
Hobbs, R
Hohlmann, M
Holmes, M
Holzmann, W
Homma, K
Hong, B
Horaguchi, T
Hornback, D
Hur, MG
Ichihara, T
Imai, K
Inaba, M
Inoue, Y
Isenhower, D
Isenhower, L
Ishihara, M
Isobe, T
Issah, M
Isupov, A
Jacak, BV
Jia, J
Jin, J
Jinnouchi, O
Johnson, BM
Joo, KS
Jouan, D
Kajihara, F
Kametani, S
Kamihara, N
Kamin, J
Kaneta, M
Kang, JH
Kanou, H
Kawagishi, T
Kawall, D
Kazantsev, AV
Kelly, S
Khanzadeev, A
Kikuchi, J
Kim, DH
Kim, DJ
Kim, E
Kim, YS
Kinney, E
Kiss, A
Kistenev, E
Kiyomichi, A
Klay, J
Klein-Boesing, C
Kochenda, L
Kochetkov, V
Komkov, B
Konno, M
Kotchetkov, D
Kozlov, A
Kral, A
Kravitz, A
Kroon, PJ
Kubart, J
Kunde, GJ
Kurihara, N
Kurita, K
Kweon, MJ
Kwon, Y
Kyle, GS
Lacey, R
Lai, YS
Lajoie, JG
Lebedev, A
Le Bornec, Y
Leckey, S
Lee, DM
Lee, MK
Lee, T
Leitch, MJ
Leite, MAL
Lenzi, B
Lim, H
Liska, T
Litvinenko, A
Liu, MX
Li, X
Li, XH
Love, B
Lynch, D
Maguire, CF
Makdisi, YI
Malakhov, A
Malik, MD
Manko, VI
Mao, Y
Masek, L
Masui, H
Matathias, F
McCain, MC
McCumber, M
McGaughey, PL
Miake, Y
Mikes, P
Miki, K
Miller, TE
Milov, A
Mioduszewski, S
Mishra, GC
Mishra, M
Mitchell, JT
Mitrovski, M
Morreale, A
Morrison, DP
Moss, JM
Moukhanova, TV
Mukhopadhyay, D
Murata, J
Nagamiya, S
Nagata, Y
Nagle, JL
Naglis, M
Nakagawa, I
Nakamiya, Y
Nakamura, T
Nakano, K
Newby, J
Nguyen, M
Norman, BE
Nyanin, AS
Nystrand, J
O'Brien, E
Oda, SX
Ogilvie, CA
Ohnishi, H
Ojha, ID
Okada, H
Okada, K
Oka, M
Omiwade, OO
Oskarsson, A
Otterlund, I
Ouchida, M
Ozawa, K
Pak, R
Pal, D
Palounek, APT
Pantuev, V
Papavassiliou, V
Park, J
Park, WJ
Pate, SF
Pei, H
Peng, JC
Pereira, H
Peresedov, V
Peressounko, DY
Pinkenburg, C
Pisani, RP
Purschke, ML
Purwar, AK
Qu, H
Rak, J
Rakotozafindrabe, A
Ravinovich, I
Read, KF
Rembeczki, S
Reuter, M
Reygers, K
Riabov, V
Riabov, Y
Roche, G
Romana, A
Rosati, M
Rosendahl, SSE
Rosnet, P
Rukoyatkin, P
Rykov, VL
Ryu, SS
Sahlmueller, B
Saito, N
Sakaguchi, T
Sakai, S
Sakata, H
Samsonov, V
Sato, HD
Sato, S
Sawada, S
Seele, J
Seidl, R
Semenov, V
Seto, R
Sharma, D
Shea, TK
Shein, I
Shevel, A
Shibata, TA
Shigaki, K
Shimomura, M
Shohjoh, T
Shoji, K
Sickles, A
Silva, CL
Silvermyr, D
Silvestre, C
Sim, KS
Singh, CP
Singh, V
Skutnik, S
Slunecka, M
Smith, WC
Soldatov, A
Soltz, RA
Sondheim, WE
Sorensen, SP
Sourikova, IV
Staley, F
Stankus, PW
Stenlund, E
Stepanov, M
Ster, A
Stoll, SP
Sugitate, T
Suire, C
Sullivan, JP
Sziklai, J
Tabaru, T
Takagi, S
Takagui, EM
Taketani, A
Tanaka, H
Tanaka, Y
Tanida, K
Tannenbaum, MJ
Taranenko, A
Tarjan, P
Thomas, TL
Togawa, M
Toia, A
Tojo, J
Tomasek, L
Torii, H
Towell, RS
Tram, VN
Tserruya, I
Tsuchimoto, Y
Tuli, SK
Tydesjo, H
Tyurin, N
Vale, C
Valle, H
van Hecke, HW
Velkovska, J
Vertesi, R
Vinogradov, AA
Virius, M
Vrba, V
Vznuzdaev, E
Wagner, M
Walker, D
Wang, XR
Watanabe, Y
Wessels, J
White, SN
Willis, N
Winter, D
Woody, CL
Wysocki, M
Xie, W
Yamaguchi, YL
Yanovich, A
Yasin, Z
Ying, J
Yokkaichi, S
Young, GR
Younus, I
Yushmanov, IE
Zajc, WA
Zaudtke, O
Zhang, C
Zhou, S
Zimanyi, J
Zolin, L
AF Adare, A.
Afanasiev, S.
Aidala, C.
Ajitanand, N. N.
Akiba, Y.
Al-Bataineh, H.
Alexander, J.
Al-Jamel, A.
Aoki, K.
Aphecetche, L.
Armendariz, R.
Aronson, S. H.
Asai, J.
Atomssa, E. T.
Averbeck, R.
Awes, T. C.
Azmoun, B.
Babintsev, V.
Baksay, G.
Baksay, L.
Baldisseri, A.
Barish, K. N.
Barnes, P. D.
Bassalleck, B.
Bathe, S.
Batsouli, S.
Baublis, V.
Bauer, F.
Bazilevsky, A.
Belikov, S.
Bennett, R.
Berdnikov, Y.
Bickley, A. A.
Bjorndal, M. T.
Boissevain, J. G.
Borel, H.
Boyle, K.
Brooks, M. L.
Brown, D. S.
Bucher, D.
Buesching, H.
Bumazhnov, V.
Bunce, G.
Burward-Hoy, J. M.
Butsyk, S.
Campbell, S.
Chai, J. -S.
Chang, B. S.
Charvet, J. -L.
Chernichenko, S.
Chiba, J.
Chi, C. Y.
Chiu, M.
Choi, I. J.
Chujo, T.
Chung, P.
Churyn, A.
Cianciolo, V.
Cleven, C. R.
Cobigo, Y.
Cole, B. A.
Comets, M. P.
Constantin, P.
Csanad, M.
Csoergo, T.
Dahms, T.
Das, K.
David, G.
Deaton, M. B.
Dehmelt, K.
Delagrange, H.
Denisov, A.
d'Enterria, D.
Deshpande, A.
Desmond, E. J.
Dietzsch, O.
Dion, A.
Donadelli, M.
Drachenberg, J. L.
Drapier, O.
Drees, A.
Dubey, A. K.
Durum, A.
Dzhordzhadze, V.
Efremenko, Y. V.
Egdemir, J.
Ellinghaus, F.
Emam, W. S.
Enokizono, A.
En'yo, H.
Espagnon, B.
Esumi, S.
Eyser, K. O.
Fields, D. E.
Finger, M.
Finger, M., Jr.
Fleuret, F.
Fokin, S. L.
Forestier, B.
Fraenkel, Z.
Frantz, J. E.
Franz, A.
Frawley, A. D.
Fujiwara, K.
Fukao, Y.
Fung, S. -Y.
Fusayasu, T.
Gadrat, S.
Garishvili, I.
Gastineau, F.
Germain, M.
Glenn, A.
Gong, H.
Gonin, M.
Gosset, J.
Goto, Y.
de Cassagnac, R. Granier
Grau, N.
Greene, S. V.
Perdekamp, M. Grosse
Gunji, T.
Gustafsson, H. -A.
Hachiya, T.
Hadj Henni, A.
Haegemann, C.
Haggerty, J. S.
Hagiwara, M. N.
Hamagaki, H.
Han, R.
Harada, H.
Hartouni, E. P.
Haruna, K.
Harvey, M.
Haslum, E.
Hasuko, K.
Hayano, R.
Heffner, M.
Hemmick, T. K.
Hester, T.
Heuser, J. M.
He, X.
Hiejima, H.
Hill, J. C.
Hobbs, R.
Hohlmann, M.
Holmes, M.
Holzmann, W.
Homma, K.
Hong, B.
Horaguchi, T.
Hornback, D.
Hur, M. G.
Ichihara, T.
Imai, K.
Inaba, M.
Inoue, Y.
Isenhower, D.
Isenhower, L.
Ishihara, M.
Isobe, T.
Issah, M.
Isupov, A.
Jacak, B. V.
Jia, J.
Jin, J.
Jinnouchi, O.
Johnson, B. M.
Joo, K. S.
Jouan, D.
Kajihara, F.
Kametani, S.
Kamihara, N.
Kamin, J.
Kaneta, M.
Kang, J. H.
Kanou, H.
Kawagishi, T.
Kawall, D.
Kazantsev, A. V.
Kelly, S.
Khanzadeev, A.
Kikuchi, J.
Kim, D. H.
Kim, D. J.
Kim, E.
Kim, Y. -S.
Kinney, E.
Kiss, A.
Kistenev, E.
Kiyomichi, A.
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Klein-Boesing, C.
Kochenda, L.
Kochetkov, V.
Komkov, B.
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Kotchetkov, D.
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Kral, A.
Kravitz, A.
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Kubart, J.
Kunde, G. J.
Kurihara, N.
Kurita, K.
Kweon, M. J.
Kwon, Y.
Kyle, G. S.
Lacey, R.
Lai, Y. -S.
Lajoie, J. G.
Lebedev, A.
Le Bornec, Y.
Leckey, S.
Lee, D. M.
Lee, M. K.
Lee, T.
Leitch, M. J.
Leite, M. A. L.
Lenzi, B.
Lim, H.
Liska, T.
Litvinenko, A.
Liu, M. X.
Li, X.
Li, X. H.
Love, B.
Lynch, D.
Maguire, C. F.
Makdisi, Y. I.
Malakhov, A.
Malik, M. D.
Manko, V. I.
Mao, Y.
Masek, L.
Masui, H.
Matathias, F.
McCain, M. C.
McCumber, M.
McGaughey, P. L.
Miake, Y.
Mikes, P.
Miki, K.
Miller, T. E.
Milov, A.
Mioduszewski, S.
Mishra, G. C.
Mishra, M.
Mitchell, J. T.
Mitrovski, M.
Morreale, A.
Morrison, D. P.
Moss, J. M.
Moukhanova, T. V.
Mukhopadhyay, D.
Murata, J.
Nagamiya, S.
Nagata, Y.
Nagle, J. L.
Naglis, M.
Nakagawa, I.
Nakamiya, Y.
Nakamura, T.
Nakano, K.
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Nguyen, M.
Norman, B. E.
Nyanin, A. S.
Nystrand, J.
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Peng, J. -C.
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Pinkenburg, C.
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Purschke, M. L.
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Roche, G.
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Sahlmueller, B.
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Shigaki, K.
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Shohjoh, T.
Shoji, K.
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Silvestre, C.
Sim, K. S.
Singh, C. P.
Singh, V.
Skutnik, S.
Slunecka, M.
Smith, W. C.
Soldatov, A.
Soltz, R. A.
Sondheim, W. E.
Sorensen, S. P.
Sourikova, I. V.
Staley, F.
Stankus, P. W.
Stenlund, E.
Stepanov, M.
Ster, A.
Stoll, S. P.
Sugitate, T.
Suire, C.
Sullivan, J. P.
Sziklai, J.
Tabaru, T.
Takagi, S.
Takagui, E. M.
Taketani, A.
Tanaka, H.
Tanaka, Y.
Tanida, K.
Tannenbaum, M. J.
Taranenko, A.
Tarjan, P.
Thomas, T. L.
Togawa, M.
Toia, A.
Tojo, J.
Tomasek, L.
Torii, H.
Towell, R. S.
Tram, V. -N.
Tserruya, I.
Tsuchimoto, Y.
Tuli, S. K.
Tydesjo, H.
Tyurin, N.
Vale, C.
Valle, H.
van Hecke, H. W.
Velkovska, J.
Vertesi, R.
Vinogradov, A. A.
Virius, M.
Vrba, V.
Vznuzdaev, E.
Wagner, M.
Walker, D.
Wang, X. R.
Watanabe, Y.
Wessels, J.
White, S. N.
Willis, N.
Winter, D.
Woody, C. L.
Wysocki, M.
Xie, W.
Yamaguchi, Y. L.
Yanovich, A.
Yasin, Z.
Ying, J.
Yokkaichi, S.
Young, G. R.
Younus, I.
Yushmanov, I. E.
Zajc, W. A.
Zaudtke, O.
Zhang, C.
Zhou, S.
Zimanyi, J.
Zolin, L.
CA PHENIX Collaborat
TI Transverse momentum and centrality dependence of dihadron correlations
in Au plus Au collisions at root s(NN)=200 GeV: Jet quenching and the
response of partonic matter
SO PHYSICAL REVIEW C
LA English
DT Article
ID RADIATION
AB Azimuthal angle (Delta phi) correlations are presented for charged hadrons from dijets for 0.4 < p(T)< 10 GeV/c in Au+Au collisions at root s(NN)=200 GeV. With increasing p(T), the away-side distribution evolves from a broad and relatively flat shape to a concave shape, then to a convex shape. Comparisons to p+p data suggest that the away-side can be divided into a partially suppressed "head" region centered at Delta phi similar to pi and an enhanced "shoulder" region centered at Delta phi similar to pi +/- 1.1. The p(T) spectrum for the head region softens toward central collisions, consistent with the onset of jet quenching. The spectral slope for the shoulder region is independent of centrality and trigger p(T), which offers constraints on energy transport mechanisms and suggests that it contains the medium response to energetic jets.
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RP Adare, A (reprint author), Abilene Christian Univ, Abilene, TX 79699 USA.
RI seto, richard/G-8467-2011; Csanad, Mate/D-5960-2012; YANG,
BOGEUM/I-8251-2012; Tomasek, Lukas/G-6370-2014; 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; Semenov, Vitaliy/E-9584-2017
OI Tomasek, Lukas/0000-0002-5224-1936; Hayano, Ryugo/0000-0002-1214-7806;
Sorensen, Soren /0000-0002-5595-5643; Taketani,
Atsushi/0000-0002-4776-2315;
NR 25
TC 51
Z9 51
U1 5
U2 8
PU AMER PHYSICAL SOC
PI COLLEGE PK
PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
SN 0556-2813
EI 1089-490X
J9 PHYS REV C
JI Phys. Rev. C
PD JAN
PY 2008
VL 77
IS 1
AR 011901
DI 10.1103/PhysRevC.77.011901
PG 6
WC Physics, Nuclear
SC Physics
GA 258JG
UT WOS:000252863600003
ER
PT J
AU Adler, SS
Afanasiev, S
Aidala, C
Ajitanand, NN
Akiba, Y
Al-Jamel, A
Alexander, J
Aoki, K
Aphecetche, L
Armendariz, R
Aronson, SH
Averbeck, R
Awes, TC
Babintsev, V
Baldisseri, A
Barish, KN
Barnes, PD
Bassalleck, B
Bathe, S
Batsouli, S
Baublis, V
Bauer, F
Bazilevsky, A
Belikov, S
Bjorndal, MT
Boissevain, JG
Borel, H
Brooks, ML
Brown, DS
Bruner, N
Bucher, D
Buesching, H
Bumazhnov, V
Bunce, G
Burward-IIoy, JM
Butsyk, S
Camard, X
Chand, P
Chang, WC
Chernichenko, S
Chi, CY
Chiba, J
Chiu, M
Choi, IJ
Choudhury, RK
Chujo, T
Cianciolo, V
Citron, Z
Cobigo, Y
Cole, BA
Comets, MP
Constantin, P
Csanad, M
Csorgo, T
Cussonneau, JP
d'Enterria, D
Das, K
David, G
Deak, F
Delagrange, H
Denisov, A
Deshpande, A
Desmond, EJ
Devismes, A
Dietzsch, O
Drachenberg, JL
Drapier, O
Drees, A
Durum, A
Dutta, D
Dzhordzhadze, V
Efremenko, YV
En'yo, H
Espagnon, B
Esumi, S
Fields, DE
Finck, C
Fleuret, F
Fokin, SL
Fox, BD
Fraenkel, Z
Frantz, JE
Franz, A
Frawley, AD
Fukao, Y
Fung, SY
Gadrat, S
Germain, M
Glenn, A
Gonin, M
Gosset, J
Goto, Y
de Cassagnac, RG
Grau, N
Greene, SV
Perdekamp, MG
Gustafsson, HA
Hachiya, T
Haggerty, JS
Hamagaki, H
Hansen, AG
Hartouni, EP
Harvey, M
Hasuko, K
Hayano, R
He, X
Heffner, M
Hemmick, TK
Heuser, JM
Hidas, P
Hiejima, H
Hill, JC
Hobbs, R
Holzmann, W
Homma, K
Hong, B
Hoover, A
Horaguchi, T
Ichihara, T
Ikonnikov, VV
Imai, K
Inaba, M
Inuzuka, M
Isenhower, D
Isenhower, L
Ishihara, M
Issah, M
Isupov, A
Jacak, BV
Jia, J
Jinnouchi, O
Johnson, BM
Johnson, SC
Joo, KS
Jouan, D
Kajihara, F
Kametani, S
Kamihara, N
Kaneta, M
Kang, JH
Katou, K
Kawabata, T
Kazantsev, AV
Kelly, S
Khachaturov, B
Khanzadeev, A
Kikuchi, J
Kim, DJ
Kim, E
Kim, GB
Kim, HJ
Kinney, E
Kiss, A
Kistenev, E
Kiyomichi, A
Klein-Boesing, C
Kobayashi, H
Kochenda, L
Kochetkov, V
Kohara, R
Komkov, B
Konno, M
Kotchetkov, D
Kozlov, A
Kroon, PJ
Kuberg, CH
Kunde, GJ
Kurita, K
Kweon, MJ
Kwon, Y
Kyle, GS
Lacey, R
Lajoie, JG
Le Bornec, Y
Lebedev, A
Leckey, S
Lee, DM
Leitch, MJ
Leite, MAL
Li, XH
Lim, H
Litvinenko, A
Liu, MX
Maguire, CF
Makdisi, YI
Malakhov, A
Manko, VI
Mao, Y
Martinez, G
Masui, H
Matathias, F
Matsumoto, T
McCain, MC
McGaughey, PL
Miake, Y
Miller, TE
Milov, A
Mioduszewski, S
Mishra, GC
Mitchell, JT
Mohanty, AK
Morrison, DP
Moss, JM
Mukhopadhyay, D
Muniruzzaman, M
Nagamiya, S
Nagle, JL
Nakamura, T
Newby, J
Nyanin, AS
Nystrand, J
O'Brien, E
Ogilvie, CA
Ohnishi, H
Ojha, ID
Okada, H
Okada, K
Oskarsson, A
Otterlund, I
Oyama, K
Ozawa, K
Pal, D
Palounek, APT
Pantuev, V
Papavassiliou, V
Park, J
Park, WJ
Pate, SF
Pei, H
Penev, V
Peng, JC
Pereira, H
Peresedov, V
Pierson, A
Pinkenburg, C
Pisani, RP
Purschke, ML
Purwar, AK
Qualls, JM
Rak, J
Ravinovich, I
Read, KF
Reuter, M
Reygers, K
Riabov, V
Riabov, Y
Roche, G
Romana, A
Rosati, M
Rosendahl, SSE
Rosnet, P
Rykov, VL
Ryu, SS
Saito, N
Sakaguchi, T
Sakai, S
Samsonov, V
Sanfratello, L
Santo, R
Sato, HD
Sato, S
Sawada, S
Schutz, Y
Semenov, V
Seto, R
Shea, TK
Shein, I
Shibata, TA
Shigaki, K
Shimomura, M
Sickles, A
Silva, CL
Silvermyr, D
Sim, KS
Soldatov, A
Soltz, RA
Sondheim, WE
Sorensen, SP
Sourikova, IV
Staley, F
Stankus, PW
Stenlund, E
Stepanov, M
Ster, A
Stoll, SP
Sugitate, T
Sullivan, JP
Takagi, S
Takagui, EM
Taketani, A
Tanaka, KH
Tanaka, Y
Tanida, K
Tannenbaum, MJ
Taranenko, A
Tarjan, P
Thomas, TL
Togawa, M
Tojo, J
Torii, H
Towell, RS
Tram, VN
Tserruya, I
Tsuchimoto, Y
Tydesjo, H
Tyurin, N
Uam, TJ
Velkovska, J
Velkovsky, M
Veszpremi, V
Vinogradov, AA
Volkov, MA
Vznuzdaev, E
Wang, XR
Watanabe, Y
White, SN
Willis, N
Wohn, FK
Woody, CL
Xie, W
Yanovich, A
Yokkaichi, S
Young, GR
Yushmanov, IE
Zajc, WA
Zhang, C
Zhou, S
Zimanyi, J
Zolin, L
Zong, X
Vanhecke, HW
AF Adler, S. S.
Afanasiev, S.
Aidala, C.
Ajitanand, N. N.
Akiba, Y.
Al-Jamel, A.
Alexander, J.
Aoki, K.
Aphecetche, L.
Armendariz, R.
Aronson, S. H.
Averbeck, R.
Awes, T. C.
Babintsev, V.
Baldisseri, A.
Barish, K. N.
Barnes, P. D.
Bassalleck, B.
Bathe, S.
Batsouli, S.
Baublis, V.
Bauer, F.
Bazilevsky, A.
Belikov, S.
Bjorndal, M. T.
Boissevain, J. G.
Borel, H.
Brooks, M. L.
Brown, D. S.
Bruner, N.
Bucher, D.
Buesching, H.
Bumazhnov, V.
Bunce, G.
Burward-IIoy, J. M.
Butsyk, S.
Camard, X.
Chand, P.
Chang, W. C.
Chernichenko, S.
Chi, C. Y.
Chiba, J.
Chiu, M.
Choi, I. J.
Choudhury, R. K.
Chujo, T.
Cianciolo, V.
Citron, Z.
Cobigo, Y.
Cole, B. A.
Comets, M. P.
Constantin, P.
Csanad, M.
Csorgo, T.
Cussonneau, J. P.
d'Enterria, D.
Das, K.
David, G.
Deak, F.
Delagrange, H.
Denisov, A.
Deshpande, A.
Desmond, E. J.
Devismes, A.
Dietzsch, O.
Drachenberg, J. L.
Drapier, O.
Drees, A.
Durum, A.
Dutta, D.
Dzhordzhadze, V.
Efremenko, Y. V.
En'yo, H.
Espagnon, B.
Esumi, S.
Fields, D. E.
Finck, C.
Fleuret, F.
Fokin, S. L.
Fox, B. D.
Fraenkel, Z.
Frantz, J. E.
Franz, A.
Frawley, A. D.
Fukao, Y.
Fung, S. -Y.
Gadrat, S.
Germain, M.
Glenn, A.
Gonin, M.
Gosset, J.
Goto, Y.
de Cassagnac, R. Granier
Grau, N.
Greene, S. V.
Perdekamp, M. Grosse
Gustafsson, H. -A.
Hachiya, T.
Haggerty, J. S.
Hamagaki, H.
Hansen, A. G.
Hartouni, E. P.
Harvey, M.
Hasuko, K.
Hayano, R.
He, X.
Heffner, M.
Hemmick, T. K.
Heuser, J. M.
Hidas, P.
Hiejima, H.
Hill, J. C.
Hobbs, R.
Holzmann, W.
Homma, K.
Hong, B.
Hoover, A.
Horaguchi, T.
Ichihara, T.
Ikonnikov, V. V.
Imai, K.
Inaba, M.
Inuzuka, M.
Isenhower, D.
Isenhower, L.
Ishihara, M.
Issah, M.
Isupov, A.
Jacak, B. V.
Jia, J.
Jinnouchi, O.
Johnson, B. M.
Johnson, S. C.
Joo, K. S.
Jouan, D.
Kajihara, F.
Kametani, S.
Kamihara, N.
Kaneta, M.
Kang, J. H.
Katou, K.
Kawabata, T.
Kazantsev, A. V.
Kelly, S.
Khachaturov, B.
Khanzadeev, A.
Kikuchi, J.
Kim, D. J.
Kim, E.
Kim, G. -B.
Kim, H. J.
Kinney, E.
Kiss, A.
Kistenev, E.
Kiyomichi, A.
Klein-Boesing, C.
Kobayashi, H.
Kochenda, L.
Kochetkov, V.
Kohara, R.
Komkov, B.
Konno, M.
Kotchetkov, D.
Kozlov, A.
Kroon, P. J.
Kuberg, C. H.
Kunde, G. J.
Kurita, K.
Kweon, M. J.
Kwon, Y.
Kyle, G. S.
Lacey, R.
Lajoie, J. G.
Le Bornec, Y.
Lebedev, A.
Leckey, S.
Lee, D. M.
Leitch, M. J.
Leite, M. A. L.
Li, X. H.
Lim, H.
Litvinenko, A.
Liu, M. X.
Maguire, C. F.
Makdisi, Y. I.
Malakhov, A.
Manko, V. I.
Mao, Y.
Martinez, G.
Masui, H.
Matathias, F.
Matsumoto, T.
McCain, M. C.
McGaughey, P. L.
Miake, Y.
Miller, T. E.
Milov, A.
Mioduszewski, S.
Mishra, G. C.
Mitchell, J. T.
Mohanty, A. K.
Morrison, D. P.
Moss, J. M.
Mukhopadhyay, D.
Muniruzzaman, M.
Nagamiya, S.
Nagle, J. L.
Nakamura, T.
Newby, J.
Nyanin, A. S.
Nystrand, J.
O'Brien, E.
Ogilvie, C. A.
Ohnishi, H.
Ojha, I. D.
Okada, H.
Okada, K.
Oskarsson, A.
Otterlund, I.
Oyama, K.
Ozawa, K.
Pal, D.
Palounek, A. P. T.
Pantuev, V.
Papavassiliou, V.
Park, J.
Park, W. J.
Pate, S. F.
Pei, H.
Penev, V.
Peng, J. -C.
Pereira, H.
Peresedov, V.
Pierson, A.
Pinkenburg, C.
Pisani, R. P.
Purschke, M. L.
Purwar, A. K.
Qualls, J. M.
Rak, J.
Ravinovich, I.
Read, K. F.
Reuter, M.
Reygers, K.
Riabov, V.
Riabov, Y.
Roche, G.
Romana, A.
Rosati, M.
Rosendahl, S. S. E.
Rosnet, P.
Rykov, V. L.
Ryu, S. S.
Saito, N.
Sakaguchi, T.
Sakai, S.
Samsonov, V.
Sanfratello, L.
Santo, R.
Sato, H. D.
Sato, S.
Sawada, S.
Schutz, Y.
Semenov, V.
Seto, R.
Shea, T. K.
Shein, I.
Shibata, T. -A.
Shigaki, K.
Shimomura, M.
Sickles, A.
Silva, C. L.
Silvermyr, D.
Sim, K. S.
Soldatov, A.
Soltz, R. A.
Sondheim, W. E.
Sorensen, S. P.
Sourikova, I. V.
Staley, F.
Stankus, P. W.
Stenlund, E.
Stepanov, M.
Ster, A.
Stoll, S. P.
Sugitate, T.
Sullivan, J. P.
Takagi, S.
Takagui, E. M.
Taketani, A.
Tanaka, K. H.
Tanaka, Y.
Tanida, K.
Tannenbaum, M. J.
Taranenko, A.
Tarjan, P.
Thomas, T. L.
Togawa, M.
Tojo, J.
Torii, H.
Towell, R. S.
Tram, V. -N.
Tserruya, I.
Tsuchimoto, Y.
Tydesjo, H.
Tyurin, N.
Uam, T. J.
Velkovska, J.
Velkovsky, M.
Veszpremi, V.
Vinogradov, A. A.
Volkov, M. A.
Vznuzdaev, E.
Wang, X. R.
Watanabe, Y.
White, S. N.
Willis, N.
Wohn, F. K.
Woody, C. L.
Xie, W.
Yanovich, A.
Yokkaichi, S.
Young, G. R.
Yushmanov, I. E.
Zajc, W. A.
Zhang, C.
Zhou, S.
Zimanyi, J.
Zolin, L.
Zong, X.
vanHecke, H. W.
CA Phenix Collaboration
TI Centrality dependence of charged hadron production in deuteron plus gold
and nucleon plus gold collisions at root S-NN=200 GeV
SO PHYSICAL REVIEW C
LA English
DT Article
ID LARGE TRANSVERSE-MOMENTUM; PHENIX; SPECTRA
AB We present transverse momentum (p(T)) spectra of charged hadrons measured in deuteron-gold and nucleon-gold collisions at root s(NN)=200 GeV for four centrality classes. Nucleon-gold collisions were selected by tagging events in which a spectator nucleon was observed in one of two forward rapidity detectors. The spectra and yields were investigated as a function of the number of binary nucleon-nucleon collisions, nu, suffered by deuteron nucleons. A comparison of charged particle yields to those in p+p collisions show that yield per nucleon-nucleon collision saturates with nu for high momentum particles. We also present the charged hadron to neutral pion ratios as a function of p(T).
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[Ojha, I. D.] Banaras Hindu Univ, Dept Phys, Varanasi 221005, Uttar Pradesh, India.
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[Kinney, E.; Nagle, J. L.] Univ Colorado, Boulder, CO 80309 USA.
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[Gadrat, S.; Roche, G.; Rosnet, P.] Univ Clermont Ferrand, IN2P3, CNRS, LPC, F-63177 Clermont Ferrand, France.
[Gustafsson, H. -A.; Nystrand, J.; Oskarsson, A.; Otterlund, I.; Rosendahl, S. S. E.; Stenlund, E.; Tydesjo, H.] Lund Univ, Dept Phys, SE-22100 Lund, Sweden.
[Bathe, S.; Bucher, D.; Buesching, H.; Klein-Boesing, C.; Santo, R.] Univ Munster, Inst Kernphys, D-48149 Munster, Germany.
[Joo, K. S.; Uam, T. J.] Myongji Univ, Yongin 449728, Kyonggido, South Korea.
[Tanaka, Y.] Nagasaki Inst Appl Sci, Nagasaki 8510193, Japan.
[Bassalleck, B.; Bruner, N.; Fields, D. E.; Hobbs, R.; Pierson, A.; Sanfratello, L.; Thomas, T. L.] Univ New Mexico, Albuquerque, NM 87131 USA.
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[Comets, M. P.; Espagnon, B.; Jouan, D.; Le Bornec, Y.; Willis, N.] Univ Paris 11, IPN, IN2P3, CNRS, F-91406 Orsay, France.
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[Akiba, Y.; En'yo, H.; Fukao, Y.; Goto, Y.; Hasuko, K.; Heuser, J. M.; Horaguchi, T.; Ichihara, T.; Imai, K.; Ishihara, M.; Jinnouchi, O.; Kamihara, N.; Kurita, K.; Mao, Y.; Ohnishi, H.; Okada, H.; Okada, K.; Rykov, V. L.; Saito, N.; Sato, H. D.; Shibata, T. -A.; Taketani, A.; Tanida, K.; Togawa, M.; Tojo, J.; Watanabe, Y.; Yokkaichi, S.] RIKEN, Inst Phys & Chem Res, Wako, Saitama 3510198, Japan.
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[Dietzsch, O.; Silva, C. L.; Takagui, E. M.] Univ Sao Paulo, Inst Fis, BR-05315970 Sao Paulo, Brazil.
[Lim, H.; Park, J.] Seoul Natl Univ, Syst Elect Lab, Seoul, South Korea.
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[Aphecetche, L.; Camard, X.; Cussonneau, J. P.; Delagrange, H.; Finck, C.; Germain, M.; Martinez, G.] Univ Nantes, Ecole Mines, SUBATECH, CNRS,IN2P3, F-44307 Nantes, France.
[Dzhordzhadze, V.; Glenn, A.; Newby, J.; Read, K. F.; Sorensen, S. P.] Univ Tennessee, Knoxville, TN 37996 USA.
[Horaguchi, T.; Kamihara, N.; Shibata, T. -A.] Tokyo Inst Technol, Dept Phys, Tokyo 1528551, Japan.
[Inaba, M.; Konno, M.; Masui, H.; Miake, Y.; Sakai, S.; Sato, S.; Shimomura, M.; Takagi, S.] Univ Tsukuba, Inst Phys, Tsukuba, Ibaraki 305, Japan.
[Greene, S. V.; Maguire, C. F.; Miller, T. E.; Ojha, I. D.] Vanderbilt Univ, Nashville, TN 37235 USA.
[Kametani, S.; Katou, K.; Kikuchi, J.; Matsumoto, T.; Sakaguchi, T.] Waseda Univ, Adv Res Inst Sci & Engn, Tokyo 1620044, Japan.
[Fraenkel, Z.; Kametani, S.; Kozlov, A.; Mukhopadhyay, D.; Pal, D.; Ravinovich, I.; Tserruya, I.] Weizmann Inst Sci, IL-76100 Rehovot, Israel.
[Choi, I. J.; Kang, J. H.; Kim, D. J.; Kim, H. J.; Kwon, Y.; Ryu, S. S.] Yonsei Univ, IPAP, Seoul 120749, South Korea.
[Drachenberg, J. L.; Isenhower, D.; Isenhower, L.; Kuberg, C. H.; McCain, M. C.; Qualls, J. M.; Towell, R. S.] Abilene Christian Univ, Abilene, TX 79699 USA.
RP Adler, SS (reprint author), Brookhaven Natl Lab, Upton, NY 11973 USA.
EM jacak@skipper.physics.sunysb.edu
RI Semenov, Vitaliy/E-9584-2017; seto, richard/G-8467-2011; Csanad,
Mate/D-5960-2012; Csorgo, Tamas/I-4183-2012; 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
OI Hayano, Ryugo/0000-0002-1214-7806; Sorensen, Soren /0000-0002-5595-5643;
Taketani, Atsushi/0000-0002-4776-2315
NR 35
TC 19
Z9 19
U1 6
U2 8
PU AMER PHYSICAL SOC
PI COLLEGE PK
PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
SN 0556-2813
EI 1089-490X
J9 PHYS REV C
JI Phys. Rev. C
PD JAN
PY 2008
VL 77
IS 1
AR 014905
DI 10.1103/PhysRevC.77.014905
PG 13
WC Physics, Nuclear
SC Physics
GA 258JG
UT WOS:000252863600038
ER
PT J
AU Alpizar-Vicente, AM
Bredeweg, TA
Esch, EI
Greife, U
Haight, RC
Hatarik, R
O'Donnell, JM
Reifarth, R
Rundberg, RS
Ullmann, JL
Vieira, DJ
Wouters, JM
AF Alpizar-Vicente, A. M.
Bredeweg, T. A.
Esch, E. -I.
Greife, U.
Haight, R. C.
Hatarik, R.
O'Donnell, J. M.
Reifarth, R.
Rundberg, R. S.
Ullmann, J. L.
Vieira, D. J.
Wouters, J. M.
TI Neutron capture cross section of (62)Ni at s-process energies
SO PHYSICAL REVIEW C
LA English
DT Article
ID NUCLEOSYNTHESIS; NUCLEAR
AB The neutron capture cross section of (62)Ni has been measured in the energy range relevant to the astrophysical s-process and Maxwellian-averaged cross sections (MACS) were extracted. The experiment was performed with an enriched (62)Ni sample at a white neutron source using a 160 segment BaF(2) detector array. The experimental results: 31.5 +/- 2.5(stat) +/- 2.2(sys) mb (MACS at kT=25 keV) and 25.8 +/- 1.8(stat) +/- 1.9(sys) mb (MACS at kT=30 keV) resolve a previous discrepancy between recent experiments.
C1 [Alpizar-Vicente, A. M.; Greife, U.; Hatarik, R.; Reifarth, R.] Colorado Sch Mines, Dept Phys, Golden, CO 80401 USA.
[Alpizar-Vicente, A. M.; Bredeweg, T. A.; Esch, E. -I.; Haight, R. C.; Hatarik, R.; O'Donnell, J. M.; Reifarth, R.; Rundberg, R. S.; Ullmann, J. L.; Vieira, D. J.; Wouters, J. M.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
RP Greife, U (reprint author), Colorado Sch Mines, Dept Phys, 1523 Illinois St, Golden, CO 80401 USA.
EM ugreife@mines.edu
NR 15
TC 20
Z9 20
U1 0
U2 3
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 JAN
PY 2008
VL 77
IS 1
AR 015806
DI 10.1103/PhysRevC.77.015806
PG 5
WC Physics, Nuclear
SC Physics
GA 258JG
UT WOS:000252863600056
ER
PT J
AU Alver, B
Back, BB
Baker, MD
Ballintijn, M
Barton, DS
Betts, RR
Bindel, R
Busza, W
Chetluru, V
Garcia, E
Gburek, T
Hamblen, J
Heinz, U
Hofman, DJ
Hollis, RS
Iordanova, A
Li, W
Loizides, C
Manly, S
Mignerey, AC
Nouicer, R
Olszewski, A
Reed, C
Roland, C
Roland, G
Sagerer, J
Steinberg, P
Stephans, GSF
Tonjes, MB
Trzupek, A
van Nieuwenhuizen, GJ
Vaurynovich, SS
Verdier, R
Veres, GI
Walters, P
Wenger, E
Wosiek, B
Wozniak, K
Wyslouch, B
AF Alver, B.
Back, B. B.
Baker, M. D.
Ballintijn, M.
Barton, D. S.
Betts, R. R.
Bindel, R.
Busza, W.
Chetluru, V.
Garcia, E.
Gburek, T.
Hamblen, J.
Heinz, U.
Hofman, D. J.
Hollis, R. S.
Iordanova, A.
Li, W.
Loizides, C.
Manly, S.
Mignerey, A. C.
Nouicer, R.
Olszewski, A.
Reed, C.
Roland, C.
Roland, G.
Sagerer, J.
Steinberg, P.
Stephans, G. S. F.
Tonjes, M. B.
Trzupek, A.
van Nieuwenhuizen, G. J.
Vaurynovich, S. S.
Verdier, R.
Veres, G. I.
Walters, P.
Wenger, E.
Wosiek, B.
Wozniak, K.
Wyslouch, B.
TI Importance of correlations and fluctuations on the initial source
eccentricity in high-energy nucleus-nucleus collisions
SO PHYSICAL REVIEW C
LA English
DT Article
ID QUARK-GLUON PLASMA; ELLIPTIC FLOW; CENTRALITY DEPENDENCE; SIGNATURE;
MODEL; COLLABORATION; MULTIPLICITY; PERSPECTIVE; SCATTERING; PHYSICS
AB In relativistic heavy-ion collisions, anisotropic collective flow is driven, event by event, by the initial eccentricity of the matter created in the nuclear overlap zone. Interpretation of the anisotropic flow data thus requires a detailed understanding of the effective initial source eccentricity of the event sample. In this paper, we investigate various ways of defining this effective eccentricity using the Monte Carlo Glauber (MCG) approach. In particular, we examine the participant eccentricity, which quantifies the eccentricity of the initial source shape by the major axes of the ellipse formed by the interaction points of the participating nucleons. We show that reasonable variation of the density parameters in the Glauber calculation, as well as variations in how matter production is modeled, do not significantly modify the already established behavior of the participant eccentricity as a function of collision centrality. Focusing on event-by-event fluctuations and correlations of the distributions of participating nucleons, we demonstrate that, depending on the achieved event-plane resolution, fluctuations in the elliptic flow magnitude v(2) lead to most measurements being sensitive to the root-mean-square rather than the mean of the v(2) distribution. Neglecting correlations among participants, we derive analytical expressions for the participant eccentricity cumulants as a function of the number of participating nucleons, N-part, keeping nonnegligible contributions up to O(1/N-part(3)). We find that the derived expressions yield the same results as obtained from mixed-event MCG calculations which remove the correlations stemming from the nuclear collision process. Most importantly, we conclude from the comparison with MCG calculations that the fourth-order participant eccentricity cumulant does not approach the spatial anisotropy obtained assuming a smooth nuclear matter distribution. In particular, for the Cu+Cu system, these quantities deviate from each other by almost a factor of 2 over a wide range in centrality. This deviation reflects the essential role of participant spatial correlations in the interaction of two nuclei.
C1 [Alver, B.; Ballintijn, M.; Busza, W.; Li, W.; Loizides, C.; Reed, C.; Roland, C.; Stephans, G. S. F.; van Nieuwenhuizen, G. J.; Vaurynovich, S. S.; Verdier, R.; Veres, G. I.; Wenger, E.; Wyslouch, B.] MIT, Nucl Sci Lab, Cambridge, MA 02139 USA.
[Back, B. B.] Argonne Natl Lab, Div Phys, Argonne, IL 60439 USA.
[Baker, M. D.; Barton, D. S.; Nouicer, R.; Steinberg, P.] Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA.
[Baker, M. D.; Barton, D. S.; Nouicer, R.; Steinberg, P.] Brookhaven Natl Lab, C A Dept, Upton, NY 11973 USA.
[Gburek, T.; Olszewski, A.; Trzupek, A.; Wosiek, B.; Wozniak, K.] Inst Nucl Phys, Krakow, Poland.
[Alver, B.; Back, B. B.; Baker, M. D.; Ballintijn, M.; Barton, D. S.; Betts, R. R.; Bindel, R.; Busza, W.; Chetluru, V.; Garcia, E.; Gburek, T.; Hamblen, J.; Heinz, U.; Hofman, D. J.; Hollis, R. S.; Iordanova, A.; Li, W.; Loizides, C.; Manly, S.; Mignerey, A. C.; Nouicer, R.; Olszewski, A.; Reed, C.; Roland, C.; Roland, G.; Sagerer, J.; Steinberg, P.; Stephans, G. S. F.; Tonjes, M. B.; Trzupek, A.; van Nieuwenhuizen, G. J.; Vaurynovich, S. S.; Verdier, R.; Veres, G. I.; Walters, P.; Wenger, E.; Wosiek, B.; Wozniak, K.; Wyslouch, B.] Natl Cent Univ, Dept Phys, Chungli 32054, Taiwan.
[Heinz, U.] Ohio State Univ, Dept Phys, Columbus, OH 43210 USA.
[Betts, R. R.; Chetluru, V.; Garcia, E.; Hofman, D. J.; Hollis, R. S.; Iordanova, A.; Sagerer, J.] Univ Illinois, Dept Phys, Chicago, IL 60607 USA.
[Bindel, R.; Mignerey, A. C.; Tonjes, M. B.] Univ Maryland, Dept Chem, College Pk, MD 20742 USA.
[Hamblen, J.; Manly, S.; Walters, P.] Univ Rochester, Dept Phys & Astron, Rochester, NY 14627 USA.
RP Alver, B (reprint author), MIT, Nucl Sci Lab, Cambridge, MA 02139 USA.
RI Mignerey, Alice/D-6623-2011;
OI Holzman, Burt/0000-0001-5235-6314
NR 54
TC 151
Z9 151
U1 0
U2 4
PU AMER PHYSICAL SOC
PI COLLEGE PK
PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
SN 0556-2813
EI 1089-490X
J9 PHYS REV C
JI Phys. Rev. C
PD JAN
PY 2008
VL 77
IS 1
AR 014906
DI 10.1103/PhysRevC.77.014906
PG 16
WC Physics, Nuclear
SC Physics
GA 258JG
UT WOS:000252863600039
ER
PT J
AU Chemakin, I
Cianciolo, V
Cole, BA
Fernow, RC
Frawley, AD
Gilkes, M
Gushue, S
Hartouni, EP
Hiejima, H
Justice, M
Kang, JH
Kirk, HG
Link, JM
Maeda, N
McGrath, RL
Mioduszewski, S
Monroe, J
Morrison, D
Moulson, M
Namboodiri, MN
Rai, G
Read, K
Remsberg, L
Rosati, M
Shin, Y
Soltz, RA
Sorel, M
Sorensen, S
Thomas, JH
Torun, Y
Winter, DL
Yang, X
Zajc, WA
Zhang, Y
AF Chemakin, I.
Cianciolo, V.
Cole, B. A.
Fernow, R. C.
Frawley, A. D.
Gilkes, M.
Gushue, S.
Hartouni, E. P.
Hiejima, H.
Justice, M.
Kang, J. H.
Kirk, H. G.
Link, J. M.
Maeda, N.
McGrath, R. L.
Mioduszewski, S.
Monroe, J.
Morrison, D.
Moulson, M.
Namboodiri, M. N.
Rai, G.
Read, K.
Remsberg, L.
Rosati, M.
Shin, Y.
Soltz, R. A.
Sorel, M.
Sorensen, S.
Thomas, J. H.
Torun, Y.
Winter, D. L.
Yang, X.
Zajc, W. A.
Zhang, Y.
TI Pion production by protons on a thin beryllium target at 6.4, 12.3, and
17.5 GeV/c incident proton momenta
SO PHYSICAL REVIEW C
LA English
DT Article
ID PRODUCTION CROSS SECTIONS; PARTICLE PRODUCTION; COLLISIONS; BEV
AB An analysis of inclusive pion production in proton-beryllium collisions at 6.4, 12.3, and 17.5 GeV/c proton beam momentum has been performed. The data were taken by Experiment 910 at the Alternating Gradient Synchrotron at the Brookhaven National Laboratory. The differential pi(+) and pi(-) production cross sections (d(2)sigma/dpd Omega) were measured up to 400 mrad in theta(pi) and up to 6 GeV/c in p(pi). The measured cross section was fit with a Sanford-Wang parametrization.
C1 [Chemakin, I.; Cole, B. A.; Hiejima, H.; Link, J. M.; Monroe, J.; Moulson, M.; Sorel, M.; Winter, D. L.; Yang, X.; Zajc, W. A.; Zhang, Y.] Columbia Univ, New York, NY 10027 USA.
[Fernow, R. C.; Gushue, S.; Kirk, H. G.; Mioduszewski, S.; Morrison, D.; Remsberg, L.; Rosati, M.; Thomas, J. H.; Torun, Y.] Brookhaven Natl Lab, Upton, NY 11973 USA.
[Frawley, A. D.; Maeda, N.] Florida State Univ, Tallahassee, FL 32306 USA.
[Torun, Y.] IIT, Chicago, IL 60616 USA.
[Rosati, M.] Iowa State Univ, Ames, IA 50010 USA.
[Justice, M.] Kent State Univ, Kent, OH 44242 USA.
[Moulson, M.] Ist Nazl Fis Nucl, Lab Nazl Frascati, I-00044 Frascati, Italy.
[Rai, G.; Thomas, J. H.] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
[Cianciolo, V.; Hartouni, E. P.; Namboodiri, M. N.; Soltz, R. A.; Thomas, J. H.] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
[Cianciolo, V.] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
[Gilkes, M.; McGrath, R. L.; Sorensen, S.; Torun, Y.] SUNY Stony Brook, Stony Brook, NY 11794 USA.
[Mioduszewski, S.] Texas A&M Univ, College Stn, TX 77843 USA.
[Hiejima, H.] Univ Illinois, Urbana, IL 61801 USA.
[Mioduszewski, S.; Morrison, D.; Read, K.] Univ Tennessee, Knoxville, TN 37996 USA.
[Link, J. M.] Virginia Polytech Inst & State Univ, Blacksburg, VA 24061 USA.
[Kang, J. H.] Yonsei Univ, Seoul 120749, South Korea.
RP Chemakin, I (reprint author), Columbia Univ, New York, NY 10027 USA.
EM Jonathan.Link@vt.edu
RI Link, Jonathan/L-2560-2013;
OI Link, Jonathan/0000-0002-1514-0650; Torun, Yagmur/0000-0003-2336-6585;
Hartouni, Edward/0000-0001-9869-4351
NR 15
TC 26
Z9 26
U1 1
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 JAN
PY 2008
VL 77
IS 1
AR 015209
DI 10.1103/PhysRevC.77.015209
PG 10
WC Physics, Nuclear
SC Physics
GA 258JG
UT WOS:000252863600048
ER
PT J
AU Chiba, S
Koura, H
Hayakawa, T
Maruyama, T
Kawano, T
Kajino, T
AF Chiba, S.
Koura, H.
Hayakawa, T.
Maruyama, T.
Kawano, T.
Kajino, T.
TI Direct and semi-direct capture in low-energy (n, gamma) reactions of
neutron-rich tin isotopes and its implications for r-process
nucleosynthesis
SO PHYSICAL REVIEW C
LA English
DT Article
ID DIRECT RADIATIVE-CAPTURE; METAL-POOR STARS; CROSS-SECTION; NUCLEI;
MODELS; STATES
AB The direct and semi-direct (DSD) components of the neutron capture cross sections are calculated for a series of tin isotopes by employing a single-particle potential (SPP) that gives a good reproduction of the known single-particle energies (SPEs) over a wide mass region. The results are compared with the Hauser-Feshbach (HF) contribution in the energy region of astrophysical interest. The calculated result shows that the HF component drops off rapidly for isotope (132)Sn and toward more neutron-rich ones, whereas the DSD component decreases only smoothly and eventually becomes dominant. This result is consistent with those of previous studies, but the dependence of the DSD cross section on the target mass number is a feature of the present SPP that gives a smooth variation of SPEs. As a consequence, the direct portion of the DSD component gives the largest contribution to the total (n,gamma) cross section for neutron-rich isotopes below a few MeV. Therefore, the direct capture process modifies the astrophysical (n,gamma) reaction rates to a great extent. The semi-direct component, however, gives a negligible contribution to the astrophysical reaction rates, but its impact is significant above several MeV. The reason for the difference in isotopic dependence between the HF and DSD components is discussed, and its implication for r-process nucleosynthesis is given.
C1 [Chiba, S.; Koura, H.; Maruyama, T.] Japan Atom Energy Agcy, Adv Sci Res Ctr, Tokai, Ibaraki 3191195, Japan.
[Hayakawa, T.] Japan Atom Energy Agcy, Kansai Photon Sci Inst, Kyoto 6190215, Japan.
[Hayakawa, T.; Kajino, T.] Univ Tokyo, Sch Sci, Dept Astron, Tokyo 1130033, Japan.
[Hayakawa, T.; Kajino, T.] Natl Astron Observ, Tokyo 1818588, Japan.
[Kawano, T.] Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA.
RP Chiba, S (reprint author), Japan Atom Energy Agcy, Adv Sci Res Ctr, Tokai, Ibaraki 3191195, Japan.
RI Koura, Hiroyuki/I-6708-2012; Hayakawa, Takehito/K-8478-2015
OI Koura, Hiroyuki/0000-0003-1057-4000;
NR 33
TC 14
Z9 14
U1 1
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 JAN
PY 2008
VL 77
IS 1
AR 015809
DI 10.1103/PhysRevC.77.015809
PG 7
WC Physics, Nuclear
SC Physics
GA 258JG
UT WOS:000252863600059
ER
PT J
AU Couture, A
Beard, M
Couder, M
Gorres, J
Lamm, L
LeBlanc, PJ
Lee, HY
O'Brien, S
Palumbo, A
Stech, E
Strandberg, E
Tan, W
Uberseder, E
Ugalde, C
Wiescher, M
Azuma, R
AF Couture, A.
Beard, M.
Couder, M.
Gorres, J.
Lamm, L.
LeBlanc, P. J.
Lee, H. Y.
O'Brien, S.
Palumbo, A.
Stech, E.
Strandberg, E.
Tan, W.
Uberseder, E.
Ugalde, C.
Wiescher, M.
Azuma, R.
TI Measurement of the (19)F(p, gamma)(20)Ne reaction and interference terms
from E(c.m.)=200-760 keV
SO PHYSICAL REVIEW C
LA English
DT Article
ID THERMONUCLEAR REACTION-RATES; KEV PROTON ENERGIES; LIGHT-NUCLEI;
RESONANCES; FLUORINE; CAPTURE
AB The (19)F(p,gamma)(20)Ne reaction represents the only breakout path for the carbon-nitrogen-oxygen cycle operating at temperatures below T=0.1 GK, an energy regime important for main-sequence hydrogen burning as well as hydrogen burning in asymptotic giant branch stars. Large experimental uncertainties exist due to unknown low energy direct and resonant reaction contributions that have been difficult to study because of the high gamma-ray background from the (19)F(p,alpha(2)gamma) reaction. A new detection technique has been developed at the University of Notre Dame to measure the (19)F(p,gamma) and (19)F(p,alpha(i)gamma) reactions over an energy range of E(c.m.)=200-760 keV. The analysis was carried out in a Breit-Wigner framework. This allowed a new determination of the resonance parameters as well as a first measurement of the signs of the interference terms. Partial widths and resonance strengths are reported for the resonances in this region.
C1 [Couture, A.; Beard, M.; Couder, M.; Gorres, J.; Lamm, L.; LeBlanc, P. J.; Lee, H. Y.; O'Brien, S.; Palumbo, A.; Stech, E.; Strandberg, E.; Tan, W.; Uberseder, E.; Ugalde, C.; Wiescher, M.] Univ Notre Dame, Nucl Sci Lab, Notre Dame, IN 46556 USA.
[Azuma, R.] Univ Toronto, Dept Phys, Toronto, ON M55 1A7, Canada.
RP Couture, A (reprint author), Los Alamos Natl Lab, Los Alamos Neutron Sci Ctr, POB 1663, Los Alamos, NM 87545 USA.
EM acouture@lanl.gov
RI Couder, Manoel/B-1439-2009; Tan, Wanpeng/A-4687-2008
OI Couder, Manoel/0000-0002-0636-744X; Tan, Wanpeng/0000-0002-5930-1823
NR 32
TC 8
Z9 8
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 JAN
PY 2008
VL 77
IS 1
AR 015802
DI 10.1103/PhysRevC.77.015802
PG 9
WC Physics, Nuclear
SC Physics
GA 258JG
UT WOS:000252863600052
ER
PT J
AU Fornal, B
Janssens, RVF
Broda, R
Marginean, N
Beghini, S
Corradi, L
Carpenter, MP
De Angelis, G
Della Vedova, F
Farnea, E
Fioretto, E
Gadea, A
Guiot, B
Honma, M
Krolas, W
Lauritsen, T
Lunardi, S
Mantica, PF
Mason, P
Montagnoli, G
Napoli, DR
Otsuka, T
Pawlat, T
Pollarolo, G
Scarlassara, F
Stefanini, AM
Seweryniak, D
Szilner, S
Ur, CA
Trotta, M
Valiente-Dobon, JJ
Wrzesinski, J
Zhu, S
AF Fornal, B.
Janssens, R. V. F.
Broda, R.
Marginean, N.
Beghini, S.
Corradi, L.
Carpenter, M. P.
De Angelis, G.
Della Vedova, F.
Farnea, E.
Fioretto, E.
Gadea, A.
Guiot, B.
Honma, M.
Krolas, W.
Lauritsen, T.
Lunardi, S.
Mantica, P. F.
Mason, P.
Montagnoli, G.
Napoli, D. R.
Otsuka, T.
Pawlat, T.
Pollarolo, G.
Scarlassara, F.
Stefanini, A. M.
Seweryniak, D.
Szilner, S.
Ur, C. A.
Trotta, M.
Valiente-Dobon, J. J.
Wrzesinski, J.
Zhu, S.
TI Yrast structure of the neutron-rich N=31 isotones (51)Ca and (52)Sc
SO PHYSICAL REVIEW C
LA English
DT Article
ID HEAVY-ION REACTIONS; COLLISIONS; NUCLEI; PARTICLE
AB The low-lying yrast states in the (51)Ca and (52)Sc nuclei were investigated to obtain information on the evolution of the p(1/2) and f(5/2) neutron single-particle orbitals in neutron-rich nuclei near proton number Z=20. Level structures associated with neutron excitations into these two orbitals and with proton excitations across the Z=20 shell gap were identified. Shell-model calculations with the recently proposed GXPF1A interaction account reasonably well for the fp-shell states. The energy separation between the nu p(1/2) and nu f(5/2) orbitals in the Ca isotopes appears to be overestimated by the GXPF1A Hamiltonian.
C1 [Fornal, B.; Broda, R.; Krolas, W.; Pawlat, T.; Wrzesinski, J.] Inst Nucl Phys, Polish Acad Sci, PL-31342 Krakow, Poland.
[Janssens, R. V. F.; Carpenter, M. P.; Lauritsen, T.; Seweryniak, D.; Zhu, S.] Argonne Natl Lab, Div Phys, Argonne, IL 60439 USA.
[Marginean, N.; Corradi, L.; De Angelis, G.; Della Vedova, F.; Fioretto, E.; Gadea, A.; Guiot, B.; Napoli, D. R.; Stefanini, A. M.; Valiente-Dobon, J. J.] Ist Nazl Fis Nucl, Lab Nazl Legnaro, I-35020 Legnaro, Italy.
[Marginean, N.] Horia Hulubei Natl Inst Phys & Nucl Engn, RO-077125 Bucharest, Romania.
[Beghini, S.; Lunardi, S.; Montagnoli, G.; Scarlassara, F.] Univ Padua, Dipartimento Fis, I-35131 Padua, Italy.
[Beghini, S.; Farnea, E.; Lunardi, S.; Mason, P.; Montagnoli, G.; Scarlassara, F.; Ur, C. A.] Ist Nazl Fis Nucl, Sezione Padova, I-35131 Padua, Italy.
[Honma, M.] Univ Aizu, Ctr Math Sci, Fukushima 9658580, Japan.
[Krolas, W.] Oak Ridge Natl Lab, Joint Inst Heavy Ion Res, Oak Ridge, TN 37831 USA.
[Mantica, P. F.] Michigan State Univ, Natl Superconducting Cyclotron Lab, E Lansing, MI 48824 USA.
[Otsuka, T.] Univ Tokyo, Dept Phys, Tokyo 1130033, Japan.
[Otsuka, T.] RIKEN, Wako, Saitama 3510198, Japan.
[Pollarolo, G.] Univ Turin, Dipartimento Fis Teor, I-10125 Turin, Italy.
[Pollarolo, G.] Ist Nazl Fis Nucl, I-10125 Turin, Italy.
[Szilner, S.] Rudjer Boskovic Inst, HR-10001 Zagreb, Croatia.
[Trotta, M.] Ist Nazl Fis Nucl, I-80126 Naples, Italy.
RP Fornal, B (reprint author), Inst Nucl Phys, Polish Acad Sci, Ul Radzikowskiego 152, PL-31342 Krakow, Poland.
RI Krolas, Wojciech/N-9391-2013; Gadea, Andres/L-8529-2014; OTSUKA,
TAKAHARU/G-5072-2014; Carpenter, Michael/E-4287-2015; Marginean, Nicolae
Marius/C-4732-2011; Napoli, Daniel R./D-9863-2012
OI Gadea, Andres/0000-0002-4233-1970; Carpenter,
Michael/0000-0002-3237-5734; Napoli, Daniel R./0000-0002-8154-6958
NR 33
TC 28
Z9 28
U1 1
U2 3
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 JAN
PY 2008
VL 77
IS 1
AR 014304
DI 10.1103/PhysRevC.77.014304
PG 7
WC Physics, Nuclear
SC Physics
GA 258JG
UT WOS:000252863600010
ER
PT J
AU Gross, F
Ramalho, G
Pena, MT
AF Gross, Franz
Ramalho, G.
Pena, M. T.
TI Pure S-wave covariant model for the nucleon
SO PHYSICAL REVIEW C
LA English
DT Article
ID ELECTROMAGNETIC FORM-FACTORS; 3-BODY BOUND-STATE; PION CLOUD; NEUTRON;
SCATTERING; EQUATIONS; TRANSITION; (GEV/C)(2); BINDING; PHYSICS
AB Using the manifestly covariant spectator theory and modeling the nucleon as a system of three constituent quarks with their own electromagnetic structure, we show that all four nucleon electromagnetic form factors can be very well described by a manifestly covariant nucleon wave function with zero orbital angular momentum. Since the concept of wave function depends on the formalism, the conclusions of light-cone theory requiring nonzero angular momentum components are not inconsistent with our results. We also show that our model gives a qualitatively correct description of deep inelastic scattering, unifying the phenomenology at high and low momentum transfer. Finally, we review two different definitions of nuclear shape and show that the nucleon is spherical in this model, regardless of how shape is defined.
C1 [Gross, Franz] Coll William & Mary, Williamsburg, VA 23185 USA.
[Gross, Franz; Ramalho, G.] Thomas Jefferson Natl Accelerator Facil, Newport News, VA 23606 USA.
[Ramalho, G.; Pena, M. T.] Ctr Fis Teor Particulas, P-1049001 Lisbon, Portugal.
[Pena, M. T.] Univ Tecn Lisboa, Dept Phys, Inst Super Tecn, P-1049001 Lisbon, Portugal.
RP Gross, F (reprint author), Coll William & Mary, Williamsburg, VA 23185 USA.
RI Pena, Teresa/M-4683-2013
OI Pena, Teresa/0000-0002-3529-2408
NR 72
TC 60
Z9 60
U1 0
U2 3
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 JAN
PY 2008
VL 77
IS 1
AR 015202
DI 10.1103/PhysRevC.77.015202
PG 18
WC Physics, Nuclear
SC Physics
GA 258JG
UT WOS:000252863600041
ER
PT J
AU Mantica, PF
Broda, R
Crawford, HL
Damaske, A
Fornal, B
Hecht, AA
Hoffman, C
Horoi, M
Hoteling, N
Janssens, RVF
Pereira, J
Pinter, JS
Stoker, JB
Tabor, SL
Sumikama, T
Walters, WB
Wang, X
Zhu, S
AF Mantica, P. F.
Broda, R.
Crawford, H. L.
Damaske, A.
Fornal, B.
Hecht, A. A.
Hoffman, C.
Horoi, M.
Hoteling, N.
Janssens, R. V. F.
Pereira, J.
Pinter, J. S.
Stoker, J. B.
Tabor, S. L.
Sumikama, T.
Walters, W. B.
Wang, X.
Zhu, S.
TI beta decay of neutron-rich (53-56)Ca
SO PHYSICAL REVIEW C
LA English
DT Article
ID SHELL-MODEL; EMISSION PROBABILITIES; COULOMB-EXCITATION;
SINGLE-PARTICLE; ISOTOPES; NUCLEI; DEFORMATION; CLOSURES; BEAMS; CORE
AB beta-decay properties of neutron-rich Ca isotopes have been obtained. Half-life values were determined for the first time for (54)Ca (86 +/- 7 ms), (55)Ca (22 +/- 2 ms), and (56)Ca (11 +/- 2 ms). The half-life of 230 +/- 60 ms deduced for (53)Ca is significantly longer than reported previously, where the decay chain (53)K -> (53)Ca -> (53)Sc was considered. A delayed gamma ray with an energy of 247 keV was identified following beta decay of (54)Ca and is proposed to depopulate the 1(1)(+) level in (54)Sc. The beta-decay properties compare favorably with the results of shell-model calculations completed in the full pf space with the GXPF1 interaction. The half-lives of the neutron-rich Ca isotopes are also compared with gross beta-decay theory. The systematic trend of the neutron-rich Ca half-lives is consistent with the presence of a subshell gap at N=32.
C1 [Mantica, P. F.; Crawford, H. L.; Damaske, A.; Pereira, J.; Pinter, J. S.; Stoker, J. B.] Michigan State Univ, Natl Superconducting Cyclotron Lab, E Lansing, MI 48824 USA.
[Mantica, P. F.; Crawford, H. L.; Damaske, A.; Pinter, J. S.; Stoker, J. B.] Michigan State Univ, Dept Chem, E Lansing, MI 48824 USA.
[Broda, R.] Inst Nucl Phys, Polish Acad Sci, PL-31342 Krakow, Poland.
[Hecht, A. A.; Hoteling, N.] Univ Maryland, Dept Chem & Biochem, College Pk, MD 20742 USA.
[Hecht, A. A.; Hoteling, N.; Janssens, R. V. F.; Wang, X.; Zhu, S.] Argonne Natl Lab, Div Phys, Argonne, IL 60439 USA.
[Hoffman, C.; Tabor, S. L.; Walters, W. B.] Florida State Univ, Dept Phys & Astron, Tallahassee, FL 32306 USA.
[Pereira, J.] Cent Michigan Univ, Joint Inst Nucl Astrophys, Mt Pleasant, MI 48859 USA.
[Sumikama, T.] RIKEN, Wako, Saitama 3510198, Japan.
[Wang, X.] Univ Notre Dame, Dept Phys, Notre Dame, IN 46556 USA.
RP Mantica, PF (reprint author), Michigan State Univ, Natl Superconducting Cyclotron Lab, E Lansing, MI 48824 USA.
RI Crawford, Heather/E-2208-2011
NR 47
TC 20
Z9 20
U1 2
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 JAN
PY 2008
VL 77
IS 1
AR 014313
DI 10.1103/PhysRevC.77.014313
PG 10
WC Physics, Nuclear
SC Physics
GA 258JG
UT WOS:000252863600019
ER
PT J
AU Manweiler, R
Cadman, RV
Spinka, H
Abaev, VV
Allen, D
Allgower, CE
Alyea, J
Bates, MA
Bekrenev, VS
Briscoe, WJ
Clajus, M
Comfort, J
Corliss, R
Craig, K
Gibson, A
Greene, R
Grosnick, DP
Isenhower, D
Kasprzyk, TE
Knecht, N
Koetke, DD
Kozlenko, NG
Kruglov, SP
Kulbardis, AA
Lolos, G
Lopatin, IV
Manley, DM
Marusic, A
McDonald, S
Olmsted, J
Papandreou, Z
Peaslee, DC
Phaisangittisakul, N
Ramirez, AF
Sadler, M
Shafi, A
Stanislaus, TDS
Staudenmaier, HM
Strakovsky, II
Supek, I
Thoms, J
Tippens, WB
Wolf, S
AF Manweiler, R.
Cadman, R. V.
Spinka, H.
Abaev, V. V.
Allen, D.
Allgower, C. E.
Alyea, J.
Bates, M. A.
Bekrenev, V. S.
Briscoe, W. J.
Clajus, M.
Comfort, J.
Corliss, R.
Craig, K.
Gibson, A.
Greene, R.
Grosnick, D. P.
Isenhower, D.
Kasprzyk, T. E.
Knecht, N.
Koetke, D. D.
Kozlenko, N. G.
Kruglov, S. P.
Kulbardis, A. A.
Lolos, G.
Lopatin, I. V.
Manley, D. M.
Marusic, A.
McDonald, S.
Olmsted, J.
Papandreou, Z.
Peaslee, D. C.
Phaisangittisakul, N.
Ramirez, A. F.
Sadler, M.
Shafi, A.
Stanislaus, T. D. S.
Staudenmaier, H. M.
Strakovsky, I. I.
Supek, I.
Thoms, J.
Tippens, W. B.
Wolf, S.
TI Measurement of the K(-)p ->Sigma(0)pi(0) reaction between 514 and 750
MeV/c
SO PHYSICAL REVIEW C
LA English
DT Article
ID CRYSTAL-BALL DETECTOR; NEUTRAL FINAL-STATES; QUARK-MODEL;
ELECTROMAGNETIC DECAYS; HYPERON RESONANCES; KBARN INTERACTIONS; PARTICLE
PHYSICS; EXCITED HYPERONS; P INTERACTIONS; BAG MODEL
AB The reaction K(-)p ->Sigma(0)pi(0)-> neutrals was studied with the Crystal Ball detector at the BNL Alternating Gradient Synchrotron for beam momenta between 514 and 750 MeV/c. The photons from Sigma(0) and pi(0) decays were detected, as well as the neutron in a small fraction of the events. The differential cross section and the Sigma(0) polarization are reported at eight momenta and nearly the full angular range. Total cross sections are derived from Legendre polynomial fits to the data. The measurements presented are of considerably higher precision than previous results.
C1 [Manweiler, R.; Cadman, R. V.; Spinka, H.; Allgower, C. E.; Bates, M. A.; Greene, R.; Kasprzyk, T. E.] Argonne Natl Lab, Argonne, IL 60439 USA.
[Manweiler, R.; Allen, D.; Alyea, J.; Corliss, R.; Gibson, A.; Grosnick, D. P.; Koetke, D. D.; Stanislaus, T. D. S.; Thoms, J.; Wolf, S.] Valparaiso Univ, Valparaiso, IN 46383 USA.
[Abaev, V. V.; Bekrenev, V. S.; Kozlenko, N. G.; Kulbardis, A. A.; Lopatin, I. V.] Petersburg Nucl Phys Inst, RU-188350 Gatchina, Russia.
[Briscoe, W. J.; Shafi, A.; Strakovsky, I. I.] George Washington Univ, Washington, DC 20052 USA.
[Clajus, M.; Marusic, A.; McDonald, S.; Phaisangittisakul, N.; Tippens, W. B.] Univ Calif Los Angeles, Los Angeles, CA 90095 USA.
[Comfort, J.; Craig, K.; Ramirez, A. F.] Arizona State Univ, Tempe, AZ 85287 USA.
[Isenhower, D.; Sadler, M.] Abilene Christian Univ, Abilene, TX 79699 USA.
[Knecht, N.; Lolos, G.; Papandreou, Z.] Univ Regina, Regina, SK S4S 0A2, Canada.
[Manley, D. M.] Kent State Univ, Kent, OH 44242 USA.
[Peaslee, D. C.] Univ Maryland, College Pk, MD 20742 USA.
[Staudenmaier, H. M.] Univ Karlsruhe, D-76128 Karlsruhe, Germany.
[Supek, I.] Rudjer Boskovic Inst, Zagreb 10000, Croatia.
RP Manweiler, R (reprint author), Argonne Natl Lab, 9700 S Cass Ave, Argonne, IL 60439 USA.
RI Marusic, Ana/E-7683-2013
OI Marusic, Ana/0000-0001-6272-0917
NR 58
TC 13
Z9 14
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 JAN
PY 2008
VL 77
IS 1
AR 015205
DI 10.1103/PhysRevC.77.015205
PG 22
WC Physics, Nuclear
SC Physics
GA 258JG
UT WOS:000252863600044
ER
PT J
AU Park, K
Burkert, VD
Kim, W
Aznauryan, IG
Minehart, R
Smith, LC
Joo, K
Elouadrhiri, L
Adams, G
Amaryan, MJ
Ambrozewicz, P
Anghinolfi, M
Asryan, G
Avakian, H
Bagdasaryan, H
Baillie, N
Ball, JP
Baltzell, NA
Barrow, S
Batourine, V
Battaglieri, M
Bedlinskiy, I
Bektasoglu, M
Bellis, M
Benmouna, N
Berman, BL
Biselli, AS
Blaszczyk, L
Bonner, BE
Bookwalter, C
Bouchigny, S
Boiarinov, S
Bradford, R
Branford, D
Briscoe, J
Brooks, WK
Bultmann, S
Butuceanu, C
Calarco, JR
Careccia, SL
Carman, DS
Casey, L
Cazes, A
Chen, S
Cheng, L
Cole, PL
Collins, P
Coltharp, P
Cords, D
Corvisiero, P
Crabb, D
Crede, V
Cummings, JP
Dale, D
Dashyan, N
De Masi, R
De Vita, R
De Sanctis, E
Degtyarenko, PV
Denizli, H
Dennis, L
Deur, A
Dhamija, S
Dharmawardane, KV
Dhuga, KS
Dickson, R
Djalali, C
Dodge, GE
Donnelly, J
Doughty, D
Dugger, M
Dytman, S
Dzyubak, OP
Egiyan, H
Egiyan, KS
El Fassi, L
Eugenio, P
Fatemi, R
Fedotov, G
Feldman, G
Feuerbach, RJ
Forest, TA
Fradi, A
Funsten, H
Gabrielyan, MY
Garcon, M
Gavalian, G
Gevorgyan, N
Gilfoyle, GP
Giovanetti, KL
Girod, FX
Goetz, JT
Gohn, W
Golovatch, E
Gonenc, A
Gordon, CIO
Gothe, RW
Graham, L
Griffioen, KA
Guidal, M
Guillo, M
Guler, N
Guo, L
Gyurjyan, V
Hadjidakis, C
Hafidi, K
Hafnaoui, K
Hakobyan, H
Hakobyan, RS
Hanretty, C
Hardie, J
Hassall, N
Heddle, D
Hersman, FW
Hicks, K
Hleiqawi, I
Holtrop, M
Hyde-Wright, CE
Ilieva, Y
Ireland, DG
Ishkhanov, BS
Isupov, EL
Ito, MM
Jenkins, D
Jo, HS
Johnstone, JR
Juengst, HG
Kalantarians, N
Keller, D
Kellie, JD
Khandaker, M
Kim, KY
Klein, A
Klein, FJ
Klimenko, AV
Klusman, M
Kossov, M
Krahn, Z
Kramer, LH
Kubarovsky, V
Kuhn, J
Kuhn, SE
Kuleshov, SV
Kuznetsov, V
Lachniet, J
Laget, JM
Langheinrich, J
Lawrence, D
Lee, T
Li, J
Lima, ACS
Livingston, K
Lu, HY
Lukashin, K
MacCormick, M
Markov, N
Mattione, P
McAleer, S
McKinnon, B
McNabb, JWC
Mecking, BA
Mehrabyan, S
Melone, JJ
Mestayer, MD
Meyer, CA
Mibe, T
Mikhailov, K
Mirazita, M
Miskimen, R
Mokeev, V
Morand, L
Moreno, B
Moriya, K
Morrow, SA
Moteabbed, M
Mueller, J
Munevar, E
Mutchler, GS
Nadel-Turonski, P
Nasseripour, R
Niccolai, S
Niculescu, G
Niculescu, I
Niczyporuk, BB
Niroula, MR
Niyazov, RA
Nozar, M
O'Rielly, GV
Osipenko, M
Ostrovidov, AI
Park, S
Pasyuk, E
Paterson, C
Pereira, SA
Philips, SA
Pierce, J
Pivnyuk, N
Pocanic, D
Pogorelko, O
Polli, E
Popa, I
Pozdniakov, S
Preedom, BM
Price, JW
Prok, Y
Protopopescu, D
Qin, LM
Raue, BA
Riccardi, G
Ricco, G
Ripani, M
Ritchie, BG
Ronchetti, F
Rosner, G
Rossi, P
Rowntree, D
Rubin, PD
Sabatie, F
Saini, MS
Salamanca, J
Salgado, C
Santoro, JP
Sapunenko, V
Schott, D
Schumacher, RA
Serov, VS
Sharabian, YG
Sharov, D
Shaw, J
Shvedunov, NV
Skabelin, AV
Smith, ES
Sober, DI
Sokhan, D
Stavinsky, A
Stepanyan, SS
Stepanyan, S
Stokes, BE
Stoler, P
Strakovsky, II
Strauch, S
Suleiman, R
Taiuti, M
Takeuchi, T
Tedeschi, DJ
Tkabladze, A
Tkachenko, S
Todor, L
Tur, C
Ungaro, M
Vineyard, MF
Vlassov, AV
Watts, DP
Weinstein, LB
Weygand, DP
Williams, M
Wolin, E
Wood, MH
Yegneswaran, A
Yun, J
Yurov, M
Zana, L
Zhang, B
Zhang, J
Zhao, B
Zhao, ZW
AF Park, K.
Burkert, V. D.
Kim, W.
Aznauryan, I. G.
Minehart, R.
Smith, L. C.
Joo, K.
Elouadrhiri, L.
Adams, G.
Amaryan, M. J.
Ambrozewicz, P.
Anghinolfi, M.
Asryan, G.
Avakian, H.
Bagdasaryan, H.
Baillie, N.
Ball, J. P.
Baltzell, N. A.
Barrow, S.
Batourine, V.
Battaglieri, M.
Bedlinskiy, I.
Bektasoglu, M.
Bellis, M.
Benmouna, N.
Berman, B. L.
Biselli, A. S.
Blaszczyk, L.
Bonner, B. E.
Bookwalter, C.
Bouchigny, S.
Boiarinov, S.
Bradford, R.
Branford, D.
Briscoe, J.
Brooks, W. K.
Bultmann, S.
Butuceanu, C.
Calarco, J. R.
Careccia, S. L.
Carman, D. S.
Casey, L.
Cazes, A.
Chen, S.
Cheng, L.
Cole, P. L.
Collins, P.
Coltharp, P.
Cords, D.
Corvisiero, P.
Crabb, D.
Crede, V.
Cummings, J. P.
Dale, D.
Dashyan, N.
De Masi, R.
De Vita, R.
De Sanctis, E.
Degtyarenko, P. V.
Denizli, H.
Dennis, L.
Deur, A.
Dhamija, S.
Dharmawardane, K. V.
Dhuga, K. S.
Dickson, R.
Djalali, C.
Dodge, G. E.
Donnelly, J.
Doughty, D.
Dugger, M.
Dytman, S.
Dzyubak, O. P.
Egiyan, H.
Egiyan, K. S.
El Fassi, L.
Eugenio, P.
Fatemi, R.
Fedotov, G.
Feldman, G.
Feuerbach, R. J.
Forest, T. A.
Fradi, A.
Funsten, H.
Gabrielyan, M. Y.
Garcon, M.
Gavalian, G.
Gevorgyan, N.
Gilfoyle, G. P.
Giovanetti, K. L.
Girod, F. X.
Goetz, J. T.
Gohn, W.
Golovatch, E.
Gonenc, A.
Gordon, C. I. O.
Gothe, R. W.
Graham, L.
Griffioen, K. A.
Guidal, M.
Guillo, M.
Guler, N.
Guo, L.
Gyurjyan, V.
Hadjidakis, C.
Hafidi, K.
Hafnaoui, K.
Hakobyan, H.
Hakobyan, R. S.
Hanretty, C.
Hardie, J.
Hassall, N.
Heddle, D.
Hersman, F. W.
Hicks, K.
Hleiqawi, I.
Holtrop, M.
Hyde-Wright, C. E.
Ilieva, Y.
Ireland, D. G.
Ishkhanov, B. S.
Isupov, E. L.
Ito, M. M.
Jenkins, D.
Jo, H. S.
Johnstone, J. R.
Juengst, H. G.
Kalantarians, N.
Keller, D.
Kellie, J. D.
Khandaker, M.
Kim, K. Y.
Klein, A.
Klein, F. J.
Klimenko, A. V.
Klusman, M.
Kossov, M.
Krahn, Z.
Kramer, L. H.
Kubarovsky, V.
Kuhn, J.
Kuhn, S. E.
Kuleshov, S. V.
Kuznetsov, V.
Lachniet, J.
Laget, J. M.
Langheinrich, J.
Lawrence, D.
Lee, T.
Li, Ji
Lima, A. C. S.
Livingston, K.
Lu, H. Y.
Lukashin, K.
MacCormick, M.
Markov, N.
Mattione, P.
McAleer, S.
McKinnon, B.
McNabb, J. W. C.
Mecking, B. A.
Mehrabyan, S.
Melone, J. J.
Mestayer, M. D.
Meyer, C. A.
Mibe, T.
Mikhailov, K.
Mirazita, M.
Miskimen, R.
Mokeev, V.
Morand, L.
Moreno, B.
Moriya, K.
Morrow, S. A.
Moteabbed, M.
Mueller, J.
Munevar, E.
Mutchler, G. S.
Nadel-Turonski, P.
Nasseripour, R.
Niccolai, S.
Niculescu, G.
Niculescu, I.
Niczyporuk, B. B.
Niroula, M. R.
Niyazov, R. A.
Nozar, M.
O'Rielly, G. V.
Osipenko, M.
Ostrovidov, A. I.
Park, S.
Pasyuk, E.
Paterson, C.
Pereira, S. Anefalos
Philips, S. A.
Pierce, J.
Pivnyuk, N.
Pocanic, D.
Pogorelko, O.
Polli, E.
Popa, I.
Pozdniakov, S.
Preedom, B. M.
Price, J. W.
Prok, Y.
Protopopescu, D.
Qin, L. M.
Raue, B. A.
Riccardi, G.
Ricco, G.
Ripani, M.
Ritchie, B. G.
Ronchetti, F.
Rosner, G.
Rossi, P.
Rowntree, D.
Rubin, P. D.
Sabatie, F.
Saini, M. S.
Salamanca, J.
Salgado, C.
Santoro, J. P.
Sapunenko, V.
Schott, D.
Schumacher, R. A.
Serov, V. S.
Sharabian, Y. G.
Sharov, D.
Shaw, J.
Shvedunov, N. V.
Skabelin, A. V.
Smith, E. S.
Sober, D. I.
Sokhan, D.
Stavinsky, A.
Stepanyan, S. S.
Stepanyan, S.
Stokes, B. E.
Stoler, P.
Strakovsky, I. I.
Strauch, S.
Suleiman, R.
Taiuti, M.
Takeuchi, T.
Tedeschi, D. J.
Tkabladze, A.
Tkachenko, S.
Todor, L.
Tur, C.
Ungaro, M.
Vineyard, M. F.
Vlassov, A. V.
Watts, D. P.
Weinstein, L. B.
Weygand, D. P.
Williams, M.
Wolin, E.
Wood, M. H.
Yegneswaran, A.
Yun, J.
Yurov, M.
Zana, L.
Zhang, B.
Zhang, J.
Zhao, B.
Zhao, Z. W.
CA Clas Collaboration
TI Cross sections and beam asymmetries for (e)over-right-arrowp -> en pi(+)
in the nucleon resonance region for 1.7 <= Q(2)<= 4.5 GeV(2)
SO PHYSICAL REVIEW C
LA English
DT Article
ID TRANSITION FORM-FACTORS; GAMMA-ASTERISK; QUARK-MODEL; ELECTROPRODUCTION;
PI; SCATTERING; DEPENDENCE; FRAMEWORK; MESONS; EP
AB The exclusive electroproduction process (e) over right arrowp -> e(')n pi(+) was measured in the range of the photon virtuality Q(2)=1.7-4.5 GeV(2), and the invariant mass range for the n pi(+) system of W=1.15-1.7 GeV using the CEBAF Large Acceptance Spectrometer. For the first time, these kinematics are probed in exclusive pi(+) production from protons with nearly full coverage in the azimuthal and polar angles of the n pi(+) center-of-mass system. The n pi(+) channel has particular sensitivity to the isospin 1/2 excited nucleon states, and together with the p pi(0) final state will serve to determine the transition form factors of a large number of resonances. The largest discrepancy between these results and present modes was seen in the sigma(')(LT) structure function. In this experiment, 31,295 cross section and 4,184 asymmetry data points were measured. Because of the large volume of data, only a reduced set of structure functions and Legendre polynomial moments can be presented that are obtained in model-independent fits to the differential cross sections.
C1 [Park, K.; Kim, W.; Batourine, V.; Kuznetsov, V.; Stepanyan, S. S.; Yurov, M.] Kyungpook Natl Univ, Taegu 702701, South Korea.
[Park, K.; Burkert, V. D.; Aznauryan, I. G.; Elouadrhiri, L.; Avakian, H.; Boiarinov, S.; Brooks, W. K.; Carman, D. S.; Cole, P. L.; Cords, D.; Degtyarenko, P. V.; Deur, A.; Doughty, D.; Egiyan, H.; Girod, F. X.; Guo, L.; Gyurjyan, V.; Hardie, J.; Heddle, D.; Ito, M. M.; Kramer, L. H.; Laget, J. M.; Mecking, B. A.; Mestayer, M. D.; Mokeev, V.; Niculescu, I.; Niczyporuk, B. B.; Niyazov, R. A.; Nozar, M.; Prok, Y.; Raue, B. A.; Santoro, J. P.; Sapunenko, V.; Sharabian, Y. G.; Smith, E. S.; Stepanyan, S.; Weygand, D. P.; Wolin, E.; Yegneswaran, A.] Thomas Jefferson Natl Accelerator Facil, Newport News, VA 23606 USA.
[El Fassi, L.; Hafidi, K.; Hafnaoui, K.] Argonne Natl Lab, Argonne, IL 60439 USA.
[Ball, J. P.; Collins, P.; Dugger, M.; Pasyuk, E.; Ritchie, B. G.] Arizona State Univ, Tempe, AZ 85287 USA.
[Goetz, J. T.] Univ Calif Los Angeles, Los Angeles, CA 90095 USA.
[Price, J. W.] Calif State Univ Dominguez Hills, Carson, CA 90747 USA.
[Bellis, M.; Biselli, A. S.; Bradford, R.; Dickson, R.; Eugenio, P.; Feuerbach, R. J.; Krahn, Z.; Kuhn, J.; Lachniet, J.; McNabb, J. W. C.; Meyer, C. A.; Moriya, K.; Schumacher, R. A.; Todor, L.; Williams, M.] Carnegie Mellon Univ, Pittsburgh, PA 15213 USA.
[Casey, L.; Cheng, L.; Cole, P. L.; Hakobyan, R. S.; Klein, F. J.; Lukashin, K.; Sober, D. I.] Catholic Univ Amer, Washington, DC 20064 USA.
[De Masi, R.; Garcon, M.; Girod, F. X.; Laget, J. M.; Morand, L.; Morrow, S. A.; Sabatie, F.] CEA Saclay, Serv Phys Nucl, F-91191 Gif Sur Yvette, France.
[Hardie, J.] Christopher Newport Univ, Newport News, VA 23606 USA.
[Gohn, W.; Markov, N.; Ungaro, M.; Zhao, B.] Univ Connecticut, Storrs, CT 06269 USA.
[Branford, D.; Sokhan, D.] Univ Edinburgh, Edinburgh EH9 3JZ, Midlothian, Scotland.
[Tedeschi, D. J.] Emmy Noether Fdn, Berlin, Germany.
[Biselli, A. S.] Fairfield Univ, Fairfield, CT 06824 USA.
[Ambrozewicz, P.; Dhamija, S.; Gabrielyan, M. Y.; Gonenc, A.; Klein, F. J.; Kramer, L. H.; Moteabbed, M.; Nasseripour, R.; Schott, D.] Florida Int Univ, Miami, FL 33199 USA.
[Park, K.; Barrow, S.; Blaszczyk, L.; Bookwalter, C.; Chen, S.; Coltharp, P.; Crede, V.; Dennis, L.; Eugenio, P.; Hanretty, C.; McAleer, S.; Ostrovidov, A. I.; Riccardi, G.; Saini, M. S.; Stokes, B. E.; Takeuchi, T.] Florida State Univ, Tallahassee, FL 32306 USA.
[Benmouna, N.; Berman, B. L.; Briscoe, J.; Dhuga, K. S.; Feldman, G.; Ilieva, Y.; Juengst, H. G.; Lima, A. C. S.; Munevar, E.; Nadel-Turonski, P.; Niccolai, S.; Niculescu, I.; O'Rielly, G. V.; Philips, S. A.; Popa, I.; Strakovsky, I. I.; Strauch, S.] George Washington Univ, Washington, DC 20052 USA.
[Donnelly, J.; Gordon, C. I. O.; Ireland, D. G.; Johnstone, J. R.; Kellie, J. D.; Livingston, K.; McKinnon, B.; Melone, J. J.; Paterson, C.; Protopopescu, D.; Rosner, G.; Watts, D. P.] Univ Glasgow, Glasgow G12 8QQ, Lanark, Scotland.
[Cole, P. L.; Dale, D.; Forest, T. A.; Salamanca, J.] Idaho State Univ, Pocatello, ID 83209 USA.
[Avakian, H.; De Sanctis, E.; Mirazita, M.; Pereira, S. Anefalos; Polli, E.; Ronchetti, F.; Rossi, P.] Ist Nazl Fis Nucl, Lab Nazl Frascati, I-00044 Frascati, Italy.
[Anghinolfi, M.; Battaglieri, M.; Corvisiero, P.; De Vita, R.; Golovatch, E.; Osipenko, M.; Ricco, G.; Ripani, M.; Sapunenko, V.; Taiuti, M.] Ist Nazl Fis Nucl, Sez Genova, I-16146 Genoa, Italy.
[Bouchigny, S.; De Masi, R.; Fradi, A.; Guidal, M.; Hadjidakis, C.; Jo, H. S.; MacCormick, M.; Moreno, B.; Morrow, S. A.; Niccolai, S.] Inst Phys Nucl, Orsay, France.
[Bedlinskiy, I.; Boiarinov, S.; Kossov, M.; Kuleshov, S. V.; Mikhailov, K.; Pivnyuk, N.; Pogorelko, O.; Pozdniakov, S.; Serov, V. S.; Stavinsky, A.] Inst Theoret & Expt Phys, Moscow 117259, Russia.
[Giovanetti, K. L.; Niculescu, G.; Niculescu, I.] James Madison Univ, Harrisonburg, VA 22807 USA.
[Rowntree, D.; Skabelin, A. V.; Suleiman, R.; Zhang, B.] MIT, Cambridge, MA 02139 USA.
[Lawrence, D.; Miskimen, R.; Shaw, J.] Univ Massachusetts, Amherst, MA 01003 USA.
[Fedotov, G.; Ishkhanov, B. S.; Isupov, E. L.; Mokeev, V.; Osipenko, M.; Sharov, D.; Shvedunov, N. V.] Moscow MV Lomonosov State Univ, Gen Nucl Phys Inst, RU-119899 Moscow, Russia.
[Calarco, J. R.; Gavalian, G.; Hersman, F. W.; Holtrop, M.; Lee, T.; Protopopescu, D.; Zana, L.] Univ New Hampshire, Durham, NH 03824 USA.
[Khandaker, M.; Salgado, C.] Norflok State Univ, Norfolk, VA 23504 USA.
[Carman, D. S.; Hicks, K.; Keller, D.; Mibe, T.; Mutchler, G. S.; Niculescu, G.; Tkabladze, A.] Ohio Univ, Athens, OH 45701 USA.
[Amaryan, M. J.; Bagdasaryan, H.; Bektasoglu, M.; Bultmann, S.; Careccia, S. L.; Dharmawardane, K. V.; Dodge, G. E.; Forest, T. A.; Gavalian, G.; Guler, N.; Hyde-Wright, C. E.; Juengst, H. G.; Kalantarians, N.; Klein, A.; Klimenko, A. V.; Kuhn, J.; Lachniet, J.; Niroula, M. R.; Niyazov, R. A.; Qin, L. M.; Sabatie, F.; Tkachenko, S.; Weinstein, L. B.; Yun, J.; Zhang, J.] Old Dominion Univ, Norfolk, VA 23529 USA.
[Denizli, H.; Dytman, S.; Kim, K. Y.; Mehrabyan, S.; Mueller, J.] Univ Pittsburgh, Pittsburgh, PA 15260 USA.
[Biselli, A. S.; Cummings, J. P.; Klusman, M.; Kubarovsky, V.; Kuhn, J.; Li, Ji; Stoler, P.; Ungaro, M.] Rensselaer Polytech Inst, Troy, NY 12180 USA.
[Adams, G.; Bonner, B. E.; Mattione, P.; Mutchler, G. S.] Rice Univ, Houston, TX 77005 USA.
[Gilfoyle, G. P.; Rubin, P. D.; Todor, L.; Vineyard, M. F.] Univ Richmond, Richmond, VA 23173 USA.
[Baltzell, N. A.; Cazes, A.; Djalali, C.; Dzyubak, O. P.; Gothe, R. W.; Graham, L.; Guillo, M.; Langheinrich, J.; Lu, H. Y.; Nasseripour, R.; Preedom, B. M.; Strauch, S.; Tedeschi, D. J.; Tur, C.; Wood, M. H.; Zhao, Z. W.] Univ S Carolina, Columbia, SC 29208 USA.
TRIUMF, Vancouver, BC V6T 2A3, Canada.
[Vineyard, M. F.] Union Coll, Schenectady, NY 12308 USA.
[Jenkins, D.; Santoro, J. P.] Virginia Polytech Inst & State Univ, Blacksburg, VA 24061 USA.
[Minehart, R.; Smith, L. C.; Joo, K.; Crabb, D.; Fatemi, R.; Pierce, J.; Pocanic, D.; Prok, Y.] Univ Virginia, Charlottesville, VA 22901 USA.
[Baillie, N.; Butuceanu, C.; Egiyan, H.; Funsten, H.; Griffioen, K. A.] Coll William & Mary, Williamsburg, VA 23187 USA.
[Aznauryan, I. G.; Asryan, G.; Bagdasaryan, H.; Dashyan, N.; Egiyan, K. S.; Gevorgyan, N.; Hakobyan, H.] Yerevan Phys Inst, Yerevan 375036, Armenia.
RP Park, K (reprint author), Univ S Carolina, Columbia, SC 29208 USA.
RI Schumacher, Reinhard/K-6455-2013; Meyer, Curtis/L-3488-2014; Ireland,
David/E-8618-2010; Bektasoglu, Mehmet/A-2074-2012; Lu,
Haiyun/B-4083-2012; Protopopescu, Dan/D-5645-2012; riccardi,
gabriele/A-9269-2012; Zana, Lorenzo/H-3032-2012; Isupov,
Evgeny/J-2976-2012; Ishkhanov, Boris/E-1431-2012; Zhao, Bo/J-6819-2012;
Brooks, William/C-8636-2013; Kuleshov, Sergey/D-9940-2013; Sabatie,
Franck/K-9066-2015; Osipenko, Mikhail/N-8292-2015; Zhang,
Jixie/A-1461-2016
OI Schumacher, Reinhard/0000-0002-3860-1827; Meyer,
Curtis/0000-0001-7599-3973; Ireland, David/0000-0001-7713-7011; Zhao,
Bo/0000-0003-3171-5335; Brooks, William/0000-0001-6161-3570; Kuleshov,
Sergey/0000-0002-3065-326X; Sabatie, Franck/0000-0001-7031-3975;
Osipenko, Mikhail/0000-0001-9618-3013;
NR 53
TC 52
Z9 52
U1 0
U2 3
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 JAN
PY 2008
VL 77
IS 1
AR 015208
DI 10.1103/PhysRevC.77.015208
PG 17
WC Physics, Nuclear
SC Physics
GA 258JG
UT WOS:000252863600047
ER
PT J
AU Reifarth, R
Heil, M
Forssen, C
Besserer, U
Couture, A
Dababneh, S
Dorr, L
Gorres, J
Haight, RC
Kappeler, F
Mengoni, A
O'Brien, S
Patronis, N
Plag, R
Rundberg, RS
Wiescher, M
Wilhelmy, JB
AF Reifarth, R.
Heil, M.
Forssen, C.
Besserer, U.
Couture, A.
Dababneh, S.
Doerr, L.
Gorres, J.
Haight, R. C.
Kaeppeler, F.
Mengoni, A.
O'Brien, S.
Patronis, N.
Plag, R.
Rundberg, R. S.
Wiescher, M.
Wilhelmy, J. B.
TI The (14)C(n, gamma) cross section between 10 keV and 1 MeV
SO PHYSICAL REVIEW C
LA English
DT Article
ID NEUTRON DIFFUSION; HEAVY-ELEMENTS; NUCLEOSYNTHESIS; NUCLEAR; ISOTOPES;
STANDARD; LIGHT; RATES; DECAY; C-15
AB The neutron capture cross section of (14)C is of relevance for several nucleosynthesis scenarios such as inhomogeneous Big Bang models, neutron induced CNO cycles, and neutrino driven wind models for the r process. The (14)C(n,gamma) reaction is also important for the validation of the Coulomb dissociation method, where the (n,gamma) cross section can be indirectly obtained via the time-reversed process. So far, the example of (14)C is the only case with neutrons where both, direct measurement and indirect Coulomb dissociation, have been applied. Unfortunately, the interpretation is obscured by discrepancies between several experiments and theory. Therefore, we report on new direct measurements of the (14)C(n,gamma) reaction with neutron energies ranging from 20 to 800 keV.
C1 [Reifarth, R.; Haight, R. C.; Rundberg, R. S.; Wilhelmy, J. B.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
[Heil, M.; Besserer, U.; Dababneh, S.; Doerr, L.; Kaeppeler, F.; Plag, R.] Forschungszentrum Karlsruhe, Inst Kernphys, D-76021 Karlsruhe, Germany.
[Forssen, C.] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
[Forssen, C.] Chalmers, S-41296 Gothenburg, Sweden.
[Gorres, J.; O'Brien, S.; Wiescher, M.] Univ Notre Dame, Dept Phys, Notre Dame, IN 46556 USA.
[Mengoni, A.] CERN, CH-1211 Geneva, Switzerland.
[Patronis, N.] Univ Ioannina, Dept Phys, Nucl Phys Lab, GR-45110 Ioannina, Greece.
RP Reifarth, R (reprint author), GSI Darmstadt, Planckstr 1, D-64291 Darmstadt, Germany.
RI Forssen, Christian/C-6093-2008; Dababneh, Saed/E-7281-2017; Mengoni,
Alberto/I-1497-2012
OI Forssen, Christian/0000-0003-3458-0480; Dababneh,
Saed/0000-0002-7376-1084; Mengoni, Alberto/0000-0002-2537-0038
NR 40
TC 27
Z9 28
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 JAN
PY 2008
VL 77
IS 1
AR 015804
DI 10.1103/PhysRevC.77.015804
PG 8
WC Physics, Nuclear
SC Physics
GA 258JG
UT WOS:000252863600054
ER
PT J
AU Schunck, N
Egido, JL
AF Schunck, N.
Egido, J. L.
TI Continuum and symmetry-conserving effects in drip-line nuclei using
finite-range forces
SO PHYSICAL REVIEW C
LA English
DT Article
ID FOCK-BOGOLYUBOV EQUATIONS; RESONANT STATES; EXPANSIONS
AB We report the first calculations of nuclear properties near the drip lines using the spherical Hartree-Fock-Bogoliubov mean-field theory with a finite-range force supplemented by continuum and particle-number projection effects. Calculations were carried out in a basis made of the eigenstates of a Woods-Saxon potential computed in a box, thereby guaranteeing that continuum effects were properly taken into account. Projection of the self-consistent solutions on good particle number was carried out after variation, and an approximation of the variation after projection result was used. We give the position of the drip lines and examine neutron densities in neutron-rich nuclei. We discuss the sensitivity of nuclear observables upon continuum and particle-number restoration effects.
C1 [Schunck, N.; Egido, J. L.] Univ Autonoma Madrid, Dept Fis Teor, E-28049 Madrid, Spain.
[Schunck, N.] Univ Tennessee, Div Phys, Knoxville, TN 37996 USA.
[Schunck, N.] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
RP Schunck, N (reprint author), Univ Autonoma Madrid, Dept Fis Teor, E-28049 Madrid, Spain.
RI Egido, J. Luis/F-4921-2017;
OI Egido, J. Luis/0000-0002-8292-6127; Schunck, Nicolas/0000-0002-9203-6849
NR 31
TC 13
Z9 13
U1 0
U2 6
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 JAN
PY 2008
VL 77
IS 1
AR 011301
DI 10.1103/PhysRevC.77.011301
PG 5
WC Physics, Nuclear
SC Physics
GA 258JG
UT WOS:000252863600001
ER
PT J
AU Aaltonen, T
Adelman, J
Akimoto, T
Albrow, MG
Gonzalez, B
Amerio, S
Amidei, D
Anastassov, A
Annovi, A
Antos, J
Aoki, M
Apollinari, G
Apresyan, A
Arisawa, T
Artikov, A
Ashmanskas, W
Attal, A
Aurisano, A
Azfar, F
Azzi-Bacchetta, P
Azzurri, P
Bacchetta, N
Badgett, W
Barbaro-Galtieri, A
Barnes, VE
Barnett, BA
Baroiant, S
Bartsch, V
Bauer, G
Beauchemin, PH
Bedeschi, F
Bednar, P
Behari, S
Bellettini, G
Bellinger, J
Belloni, A
Benjamin, D
Beretvas, A
Beringer, J
Berry, T
Bhatti, A
Binkley, M
Bisello, D
Bizjak, I
Blair, RE
Blocker, C
Blumenfeld, B
Bocci, A
Bodek, A
Boisvert, V
Bolla, G
Bolshov, A
Bortoletto, D
Boudreau, J
Boveia, A
Brau, B
Bridgeman, A
Brigliadori, L
Bromberg, C
Brubaker, E
Budagov, J
Budd, HS
Budd, S
Burkett, K
Busetto, G
Bussey, P
Buzatu, A
Byrum, KL
Cabrera, S
Campanelli, M
Campbell, M
Canelli, F
Canepa, A
Carlsmith, D
Carosi, R
Carrillo, S
Carron, S
Casal, B
Casarsa, M
Castro, A
Catastini, P
Cauz, D
Cavalli-Sforza, M
Cerri, A
Cerrito, L
Chang, SH
Chen, YC
Chertok, M
Chiarelli, G
Chlachidze, G
Chlebana, F
Cho, K
Chokheli, D
Chou, JP
Choudalakis, G
Chuang, SH
Chung, K
Chung, WH
Chung, YS
Ciobanu, CI
Ciocci, MA
Clark, A
Clark, D
Compostella, G
Convery, ME
Conway, J
Cooper, B
Copic, K
Cordelli, M
Cortiana, G
Crescioli, F
Almenar, CC
Cuevas, J
Culbertson, R
Cully, JC
Dagenhart, D
Datta, M
Davies, T
De Barbaro, P
De Cecco, S
Deisher, A
De Lentdecker, G
De Lorenzo, G
Dell'Orso, M
Demortier, L
Deng, J
Deninno, M
De Pedis, D
Derwent, PF
Di Giovanni, GP
Dionisi, C
Di Ruzza, B
Dittmann, JR
D'Onofrio, M
Donati, S
Dong, P
Donini, J
Dorigo, T
Dube, S
Efron, J
Erbacher, R
Errede, D
Errede, S
Eusebi, R
Fang, HC
Farrington, S
Fedorko, WT
Feild, RG
Feindt, M
Fernandez, JP
Ferrazza, C
Field, R
Flanagan, G
Forrest, R
Forrester, S
Franklin, M
Freeman, JC
Furic, I
Gallinaro, M
Galyardt, J
Garberson, F
Garcia, JE
Garfinkel, AF
Gerberich, H
Gerdes, D
Giagu, S
Giakoumopolou, V
Giannetti, P
Gibson, K
Gimmell, JL
Ginsburg, CM
Giokaris, N
Giordani, M
Giromini, P
Giunta, M
Glagolev, V
Glenzinski, D
Gold, M
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
Grundler, U
Da Costa, JG
Gunay-Unalan, Z
Haber, C
Hahn, K
Hahn, SR
Halkiadakis, E
Hamilton, A
Han, BY
Han, JY
Handler, R
Happacher, F
Hara, K
Hare, D
Hare, M
Harper, S
Harr, RF
Harris, RM
Hartz, M
Hatakeyama, K
Hauser, J
Hays, C
Heck, M
Heijboer, A
Heinemann, B
Heinrich, J
Henderson, C
Herndon, M
Heuser, J
Hewamanage, S
Hidas, D
Hill, CS
Hirschbuehl, D
Hocker, A
Hou, S
Houlden, M
Hsu, SC
Huffman, BT
Hughes, RE
Husemann, U
Huston, J
Incandela, J
Introzzi, G
Iori, M
Ivanov, A
Iyutin, B
James, E
Jayatilaka, B
Jeans, D
Jeon, EJ
Jindariani, S
Johnson, W
Jones, M
Joo, KK
Jun, SY
Jung, JE
Junk, TR
Kamon, T
Kar, D
Karchin, PE
Kato, Y
Kephart, R
Kerzel, U
Khotilovich, V
Kilminster, B
Kim, DH
Kim, HS
Kim, JE
Kim, MJ
Kim, SB
Kim, SH
Kim, YK
Kimura, N
Kirsch, L
Klimenko, S
Klute, M
Knuteson, B
Ko, BR
Koay, SA
Kondo, K
Kong, DJ
Konigsberg, J
Korytov, A
Kotwal, AV
Kraus, J
Kreps, M
Kroll, J
Krumnack, N
Kruse, M
Krutelyov, V
Kubo, T
Kuhlmann, SE
Kuhr, T
Kulkarni, NP
Kusakabe, Y
Kwang, S
Laasanen, AT
Lai, S
Lami, S
Lammel, S
Lancaster, M
Lander, RL
Lannon, K
Lath, A
Latino, G
Lazzizzera, I
LeCompte, T
Lee, J
Lee, J
Lee, YJ
Lee, SW
Lefevre, R
Leonardo, N
Leone, S
Levy, S
Lewis, JD
Lin, C
Lin, CS
Linacre, J
Lindgren, M
Lipeles, E
Lister, A
Litvintsev, DO
Liu, T
Lockyer, NS
Loginov, A
Loreti, M
Lovas, L
Lu, RS
Lucchesi, D
Lueck, J
Luci, C
Lujan, P
Lukens, P
Lungu, G
Lyons, L
Lys, J
Lysak, R
Lytken, E
Mack, P
MacQueen, D
Madrak, R
Maeshima, K
Makhoul, K
Maki, T
Maksimovic, P
Malde, S
Malik, S
Manca, G
Manousakis, A
Margaroli, F
Marino, C
Marino, CP
Martin, A
Martin, M
Martin, V
Martinez, M
Martinez-Ballarin, R
Maruyama, T
Mastrandrea, P
Masubuchi, T
Mattson, ME
Mazzanti, P
McFarland, KS
McIntyre, P
McNulty, R
Mehta, A
Mehtala, P
Menzemer, S
Menzione, A
Merkel, P
Mesropian, C
Messina, A
Miao, T
Miladinovic, N
Miles, J
Miller, R
Mills, C
Milnik, M
Mitra, A
Mitselmakher, G
Miyake, H
Moed, S
Moggi, N
Moon, CS
Moore, R
Morello, M
Fernandez, PM
Lmenstadt, JM
Mukherjee, A
Muller, T
Mumford, R
Murat, P
Mussini, M
Nachtman, J
Nagai, Y
Nagano, A
Naganoma, J
Nakamura, K
Nakano, I
Napier, A
Necula, V
Neu, C
Neubauer, MS
Nielsen, J
Nodulman, L
Norman, M
Norniella, O
Nurse, E
Oh, SH
Oh, YD
Oksuzian, I
Okusawa, T
Oldeman, R
Orava, R
Osterberg, K
Griso, SP
Pagliarone, C
Palencia, E
Papadimitriou, V
Papaikonomou, A
Paramonov, AA
Parks, B
Pashapour, S
Patrick, J
Pauletta, G
Paulini, M
Paus, C
Pellett, DE
Penzo, A
Phillips, TJ
Piacentino, G
Piedra, J
Pinera, L
Pitts, K
Plager, C
Pondrom, L
Portell, X
Poukhov, O
Pounder, N
Prakoshyn, F
Pronko, A
Proudfoot, J
Ptohos, F
Punzi, G
Pursley, J
Rademacker, J
Rahaman, A
Ramakrishnan, V
Ranjan, N
Redondo, I
Reisert, B
Rekovic, V
Renton, P
Rescigno, M
Richter, S
Rimondi, F
Ristori, L
Robson, A
Rodrigo, T
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TI Measurement of the cross section for W-boson production in association
with jets in p(p)over-bar collisions at root s=1.96 TeV
SO PHYSICAL REVIEW D
LA English
DT Article
ID PHYSICS
AB We present a measurement of the cross section for W-boson production in association with jets in p (p) over bar collisions at root s =1.96 TeV. The analysis uses a data sample corresponding to an integrated luminosity of 320 pb(-1) collected with the CDF II detector. W bosons are identified in their electron decay channel and jets are reconstructed using a cone algorithm. For each W+>= n-jet sample (n=1-4) we measure the differential cross section d sigma(p (p) over bar -> W+>= n-jet)/dE(T)(nth-jet)xB(W -> e nu) with respect to the transverse energy E-T of the nth-highest E-T jet above 20 GeV, and the total cross section sigma(p (p) over bar -> W+>= n-jet;E-T(nth-jet)> 25 GeV)xB(W -> e nu), for a restricted W -> e nu decay phase space. The cross sections, corrected for all detector effects, can be directly compared to particle level W+jet(s) predictions. We present here comparisons to leading order and next-to-leading order predictions.
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[Feindt, M.; Heck, M.; Heuser, J.; Hirschbuehl, D.; Kerzel, U.; Kreps, M.; Kuhr, T.; Lueck, J.; Mack, P.; Marino, C.; Milnik, M.; Muller, Th.; Papaikonomou, A.; Richter, S.; Scheidle, T.] Univ Karlsruhe, Inst Expt Kernphys, D-76128 Karlsruhe, Germany.
[Chang, S. H.; Cho, K.; Jeon, E. J.; Joo, K. K.; Jung, J. E.; Karchin, P. E.; Kim, D. H.; Kim, H. S.; Kim, J. E.; Kong, D. J.; Moon, C. S.; Suh, J. S.; Yang, Y. C.; Yu, I.; Yu, S. S.] Kyungpook Natl Univ, Ctr High Energy Phys, Taegu 702701, South Korea.
[Chang, S. H.; Cho, K.; Jeon, E. J.; Joo, K. K.; Jung, J. E.; Karchin, P. E.; Kim, D. H.; Kim, H. S.; Kim, J. E.; Kong, D. J.; Moon, C. S.; Suh, J. S.; Yang, Y. C.; Yu, I.; Yu, S. S.] Seoul Natl Univ, Seoul 151742, South Korea.
[Chang, S. H.; Cho, K.; Jeon, E. J.; Joo, K. K.; Jung, J. E.; Karchin, P. E.; Kim, D. H.; Kim, H. S.; Kim, J. E.; Kong, D. J.; Moon, C. S.; Suh, J. S.; Yang, Y. C.; Yu, I.; Yu, S. S.] Sungkyunkwan Univ, Suwon 440746, South Korea.
[Chang, S. H.; Cho, K.; Joo, K. K.; Jung, J. E.; Karchin, P. E.; Kim, D. H.; Kim, H. S.; Kim, J. E.; Kong, D. J.; Moon, C. S.; Suh, J. S.; Yang, Y. C.; Yu, I.; Yu, S. S.] Korea Inst Sci & Technol Informat, Taejon 305806, South Korea.
[Chang, S. H.; Cho, K.; Jeon, E. J.; Joo, K. K.; Jung, J. E.; Karchin, P. E.; Kim, D. H.; Kim, H. S.; Kim, J. E.; Kong, D. J.; Moon, C. S.; Suh, J. S.; Yang, Y. C.; Yu, I.; Yu, S. S.] Chonnam Natl Univ, Kwangju 500757, South Korea.
[Barbaro-Galtieri, A.; Beringer, J.; Cerri, A.; Deisher, A.; Fang, H. C.; Freeman, J. C.; Haber, C.; Hirschbuehl, D.; Lin, C. S.; Lujan, P.; Lys, J.; Fernandez, P. Movilla; Lmenstadt, J. Mu; Nielsen, J.; Shapiro, M. D.; Volobouev, I.; Yao, W. M.] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
[Berry, T.; Farrington, S.; Manca, G.; McNulty, R.; Mehta, A.; Oldeman, R.; Shears, T.; Wynne, S. M.] Univ Liverpool, Liverpool L69 7ZE, Merseyside, England.
[Cerrito, L.; Cooper, B.; Lancaster, M.; Malik, S.; Vine, T.; Waters, D.] UCL, London WC1E 6BT, England.
[Bartsch, V.; Choudalakis, G.; Goncharov, M.; Martinez-Ballarin, R.; Redondo, I.; Vidal, M.] Ctr Invest Energet Medioambientales & Tecnol, E-28040 Madrid, Spain.
[Bauer, G.; Bolshov, A.; Gomez-Ceballos, G.; Hahn, K.; Henderson, C.; Iyutin, B.; Klute, M.; Knuteson, B.; Leonardo, N.; Makhoul, K.; Mills, C.] MIT, Cambridge, MA 02139 USA.
[Beauchemin, P. -H.; Buzatu, A.; Carron, S.; Lai, S.; MacQueen, D.; Pashapour, S.; Roy, P.; Snihur, R.; Trischuk, W.; Warburton, A.; Williams, G.] McGill Univ, Inst Particle Phys, Montreal, PQ H3A 2T8, Canada.
[Beauchemin, P. -H.; Buzatu, A.; Carron, S.; Lai, S.; MacQueen, D.; Pashapour, S.; Roy, P.; Sinervo, P.; Snihur, R.; Trischuk, W.; Warburton, A.; Williams, G.] Univ Toronto, Toronto, ON M5S 1A7, Canada.
[Amidei, D.; Campanelli, M.; Copic, K.; Cully, J. C.; Soderberg, M.; Tecchio, M.; Varganov, A.; Wright, T.] Univ Michigan, Ann Arbor, MI 48109 USA.
[Campanelli, M.; Gunay-Unalan, Z.; Huston, J.; Miller, R.; Sorin, V.; Tollefson, K.] Michigan State Univ, E Lansing, MI 48824 USA.
[Gorelov, I.; Seidel, S.; Strologas, J.] Univ New Mexico, Albuquerque, NM 87131 USA.
[Stentz, D.] Northwestern Univ, Evanston, IL 60208 USA.
[Hughes, R. E.; Kilminster, B.; Lannon, K.; Parks, B.] Ohio State Univ, Columbus, OH 43210 USA.
[Nakano, I.; Takashima, R.; Tanaka, R.; Yamashita, T.] Okayama Univ, Okayama 7008530, Japan.
[Okusawa, T.; Wakisaka, T.; Yamamoto, K.; Yoshida, T.] Osaka City Univ, Osaka 588, Japan.
[Azfar, F.; Harper, S.; Hays, C.; Huffman, B. T.; Linacre, J.; Lyons, L.; Malde, S.; Pounder, N.; Rademacker, J.; Renton, P.; Stelzer-Chilton, O.] Univ Oxford, Oxford OX1 3RH, England.
[Anastassov, A.; Azzi-Bacchetta, P.; Bacchetta, N.; Bisello, D.; Cortiana, G.; Donini, J.; Dorigo, T.; Gresele, A.; Lazzizzera, I.; Lucchesi, D.; Griso, S. Pagan] Univ Padua, Ist Nazl Fis Nucl, Sez Padova Trento, I-35131 Padua, Italy.
[Di Giovanni, G. P.; Piedra, J.; Savoy-Navarro, A.; Tourneur, S.] Univ Paris 06, LPNHE, CNRS, IN2P3,UMR7585, F-75252 Paris, France.
[Heijboer, A.; Heinrich, J.; Lockyer, N. S.; Neu, C.; Thomson, E.; Whiteson, D.] Univ Penn, Philadelphia, PA 19104 USA.
[Bedeschi, F.; Bellettini, G.; Canepa, A.; Carosi, R.; Catastini, P.; Chiarelli, G.; Crescioli, F.; Ferrazza, C.; Garcia, J. E.; Giakoumopolou, V.; Giannetti, P.; Introzzi, G.; Lami, S.; Latino, G.; Menzione, A.; Morello, M.; Pagliarone, C.; Piacentino, G.; Punzi, G.; Ristori, L.; Scribano, A.; Scuri, F.; Sidoti, A.; Spinella, F.; Squillacioti, P.; Vellidis, C.; Volpi, G.] Univ Pisa, Ist Nazl Fis Nucl Pisa, I-56127 Pisa, Italy.
[Bedeschi, F.; Bellettini, G.; Canepa, A.; Carosi, R.; Catastini, P.; Chiarelli, G.; Crescioli, F.; Ferrazza, C.; Garcia, J. E.; Giakoumopolou, V.; Giannetti, P.; Introzzi, G.; Lami, S.; Latino, G.; Menzione, A.; Morello, M.; Pagliarone, C.; Piacentino, G.; Punzi, G.; Ristori, L.; Scribano, A.; Scuri, F.; Sidoti, A.; Spinella, F.; Squillacioti, P.; Vellidis, C.; Volpi, G.] Scuola Normale Super Pisa, I-56127 Pisa, Italy.
[Anastassov, A.; Boudreau, J.; Gibson, K.; Hartz, M.; Rahaman, A.; Shepard, P. F.] Univ Pittsburgh, Pittsburgh, PA 15260 USA.
[Barnes, V. E.; Bolla, G.; Bortoletto, D.; Flanagan, G.; Jones, M.; Laasanen, A. T.; Lytken, E.; Ranjan, N.; Sedov, A.] Purdue Univ, W Lafayette, IN 47907 USA.
[Bodek, A.; Boisvert, V.; Budd, H. S.; Chung, Y. S.; De Barbaro, P.; De Lentdecker, G.; Gimmell, J. L.; Han, B. -Y.; Han, J. Y.; Lee, J.; McFarland, K. S.; Sakumoto, W. K.; Yu, G. B.] Univ Rochester, Rochester, NY 14627 USA.
[Bhatti, A.; Dell'Orso, M.; Gallinaro, M.; Goulianos, K.; Terashi, K.] Rockefeller Univ, New York, NY 10021 USA.
[De Cecco, S.; Dionisi, C.; Giagu, S.; Jeans, D.; Luci, C.; Mastrandrea, P.; Rescigno, M.; Salamanna, G.; Sarkar, S.; Zanello, L.] Univ Roma La Sapienza, Sez Roma 1, Ist Nazl Fis Nucl, I-00185 Rome, Italy.
[Anastassov, A.; Dube, S.; Fernandez, J. P.; Halkiadakis, E.; Hare, D.; Lath, A.; Somalwar, S.] Rutgers State Univ, Piscataway, NJ 08855 USA.
[Aurisano, A.; Goncharov, M.; Kamon, T.; Khotilovich, V.; Lee, S. W.; McIntyre, P.; Safonov, A.; Weinberger, M.] Texas A&M Univ, College Stn, TX 77843 USA.
[Cauz, D.; Di Ruzza, B.; Giordani, M.; Penzo, A.; Rossi, M.; Santi, L.; Zanetti, A.] Univ Trieste, Ist Nazl Fis Nucl, Udine, Italy.
[Akimoto, T.; Hara, K.; Hatakeyama, K.; Kim, S. H.; Kimura, N.; Maruyama, T.; Masubuchi, T.; Miyake, H.; Nagai, Y.; Nagano, A.; Nakamura, K.; Shimojima, M.; Suzuki, T.; Tomura, T.; Ukegawa, F.; Uozumi, S.] Univ Tsukuba, Tsukuba, Ibaraki 305, Japan.
[Arisawa, T.; Hare, M.; Rolli, S.; Whitehouse, B.] Tufts Univ, Medford, MA 02155 USA.
[Kusakabe, Y.; Naganoma, J.] Waseda Univ, Tokyo 169, Japan.
[Harr, R. F.; Karchin, P. E.; Kulkarni, N. P.; Mattson, M. E.; Shalhout, S. Z.] Wayne State Univ, Detroit, MI 48201 USA.
[Bellinger, J.; Carlsmith, D.; Chung, W. H.; Handler, R.; Herndon, M.; Ramakrishnan, V.; Shon, Y.] Univ Wisconsin, Madison, WI 53706 USA.
[Field, R.; Husemann, U.; Lin, C.; Martin, A.; Schmidt, M. P.] 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 Ruiz, Alberto/E-4473-2011; Warburton, Andreas/N-8028-2013; Robson,
Aidan/G-1087-2011; Kim, Soo-Bong/B-7061-2014; De Cecco,
Sandro/B-1016-2012; Azzi, Patrizia/H-5404-2012; Lysak,
Roman/H-2995-2014; Moon, Chang-Seong/J-3619-2014; manca,
giulia/I-9264-2012; Amerio, Silvia/J-4605-2012; messina,
andrea/C-2753-2013; Annovi, Alberto/G-6028-2012; Ivanov,
Andrew/A-7982-2013; Scodellaro, Luca/K-9091-2014; Paulini,
Manfred/N-7794-2014; Russ, James/P-3092-2014; Lazzizzera,
Ignazio/E-9678-2015; vilar, rocio/P-8480-2014; Cabrera Urban,
Susana/H-1376-2015; Garcia, Jose /H-6339-2015; ciocci, maria agnese
/I-2153-2015; Cavalli-Sforza, Matteo/H-7102-2015; Introzzi,
Gianluca/K-2497-2015; Gorelov, Igor/J-9010-2015; Prokoshin,
Fedor/E-2795-2012; Leonardo, Nuno/M-6940-2016; Canelli,
Florencia/O-9693-2016
OI Ruiz, Alberto/0000-0002-3639-0368; Warburton,
Andreas/0000-0002-2298-7315; Azzi, Patrizia/0000-0002-3129-828X; Moon,
Chang-Seong/0000-0001-8229-7829; Annovi, Alberto/0000-0002-4649-4398;
Ivanov, Andrew/0000-0002-9270-5643; Scodellaro,
Luca/0000-0002-4974-8330; Paulini, Manfred/0000-0002-6714-5787; Russ,
James/0000-0001-9856-9155; Lazzizzera, Ignazio/0000-0001-5092-7531;
ciocci, maria agnese /0000-0003-0002-5462; Introzzi,
Gianluca/0000-0002-1314-2580; Gorelov, Igor/0000-0001-5570-0133;
Prokoshin, Fedor/0000-0001-6389-5399; Leonardo,
Nuno/0000-0002-9746-4594; Canelli, Florencia/0000-0001-6361-2117
NR 33
TC 59
Z9 59
U1 1
U2 8
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 JAN
PY 2008
VL 77
IS 1
AR 011108
DI 10.1103/PhysRevD.77.011108
PG 9
WC Astronomy & Astrophysics; Physics, Particles & Fields
SC Astronomy & Astrophysics; Physics
GA 258JH
UT WOS:000252863700008
ER
PT J
AU Abazov, VM
Abbott, B
Abolins, M
Acharya, BS
Adams, M
Adams, T
Aguilo, E
Ahn, SH
Ahsan, M
Alexeev, GD
Alkhazov, G
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Alverson, G
Alves, GA
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Ancu, LS
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Andrieu, B
Anzelc, MS
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Arov, M
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Jesus, ACSA
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Autermann, C
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Baldin, B
Bandurin, DV
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Barfuss, AF
Bargassa, P
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Bartlett, JF
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TI Measurement of the muon charge asymmetry from W boson decays
SO PHYSICAL REVIEW D
LA English
DT Article
ID PARTON DISTRIBUTIONS; P(P)OVER-BAR COLLISIONS; COLLIDERS
AB We present a measurement of the muon charge asymmetry from W boson decays using 0.3 fb(-1) of data collected at root s =1.96 GeV between 2002 and 2004 with the D0 detector at the Fermilab Tevatron (p) over bar Collider. We compare our findings with expectations from next-to-leading-order calculations performed using the CTEQ6.1M and MRST04 NLO parton distribution functions. Our findings can be used to constrain future parton distribution function fits.
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[Adams, T.; Askew, A.; Atramentov, O.; Blessing, S.; Buchanan, N. J.; Duggan, D.; Gershtein, Y.; Hagopian, S.; Kau, D.; Prosper, H. B.; Sekaric, J.; Sengupta, S.; Sumowidagdo, S.; Wahl, H. D.] Florida State Univ, Tallahassee, FL 32306 USA.
[Baldin, B.; Bartlett, J. F.; Bellantoni, L.; Bellavance, A.; Bhat, P. C.; Boehnlein, A.; Bross, A.; Cihangir, S.; Cooper, W. E.; Demarteau, M.; Denisov, D.; Desai, S.; Diehl, H. T.; Diesburg, M.; Elvira, V. D.; Fisher, W.; Fisk, H. E.; Fu, S.; Fuess, S.; Gallas, E.; Greenlee, H.; Gruenendahl, S.; Gutierrez, G.; Hanagaki, K.; Illingworth, R.; Ito, A. S.; Johnson, M.; Jonckheere, A.; Juste, A.; Kasper, P.; Klima, B.; Lee, W. M.; Li, Q. Z.; Lincoln, D.; Lipton, R.; Lyon, A. L.; Mao, H. S.; Merritt, K. W.; Mulders, M.; Naimuddin, M.; Nomerotski, A.; O'Dell, V.; Oshima, N.; Podstavkov, V. M.; Rubinov, P.; Savage, G.; Sawyer, L.; Shpakov, D.; Sirotenko, V.; Stutte, L.; Verzocchi, M.; Wang, M. H. L. S.; Weber, M.; Yamada, R.; Yasuda, T.; Zhang, D.] Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA.
[Adams, M.; Gerber, C. E.; Heinmiller, J. M.; Otero Y Garzon, G. J.; Shabalina, E.; Varelas, N.] Univ Illinois, Chicago, IL 60607 USA.
[Bagby, L.; Blazey, G.; Chakraborty, D.; Dyshkant, A.; Fortner, M.; Hedin, D.; Lima, J. G. R.; Uzunyan, S.; Zatserklyaniy, A.; Zutshi, V.] No Illinois Univ, De Kalb, IL 60115 USA.
[Andeen, T.; Anzelc, M. S.; Buchholz, D.; Schellman, H.; Strom, D.; Yacoob, S.; Youn, S. W.] Northwestern Univ, Evanston, IL 60208 USA.
[Evans, H.; Krop, D.; Parua, N.; Van Kooten, R.; Zieminska, D.; Zieminski, A.] Indiana Univ, Bloomington, IN 47405 USA.
[Cason, N. M.; Chan, K. M.; Galyaev, E.; Goussiou, A.; Hildreth, M. D.; Lam, D.; Mal, P. K.; Osta, J.; Pogorelov, Y.; Ruchti, R.; Smirnov, D.; Svoisky, P.; Warchol, J.; Wayne, M.] Univ Notre Dame, Notre Dame, IN 46556 USA.
[Parashar, N.] Purdue Univ, Indiana, PA 46323 USA.
[Hauptman, J. M.] Iowa State Univ, Ames, IA 50011 USA.
[Baringer, P.; Bean, A.; Hensel, C.; Moulik, T.; Wilson, G. W.] Univ Kansas, Lawrence, KS 66045 USA.
[Ahsan, M.; Bandurin, D. V.; Bolton, T. A.; Ferapontov, A. V.; Maravin, Y.; Onoprienko, D.; Shamim, M.; Von Toerne, E.] Kansas State Univ, Manhattan, KS 66506 USA.
[Arov, M.; Greenwood, Z. D.; Kalk, J. M.; Steele, J.; Wobisch, M.] Louisiana Tech Univ, Ruston, LA 71272 USA.
[Baden, A.; Eno, S.; Hadley, N. J.; Jarvis, C.; Kunori, S.; Toole, T.; Wang, L.; Wetstein, M.; Yan, M.] Univ Maryland, College Pk, MD 20742 USA.
[Boline, D.; Butler, J. M.; Cho, D. K.; Das, A.; Heintz, U.; Jabeen, S.; Kasper, J.] Boston Univ, Boston, MA 02215 USA.
[Alverson, G.; Barberis, E.; Harrington, R.; Hesketh, G.; Reucroft, S.; Wood, D. R.] Northeastern Univ, Boston, MA 02115 USA.
[Alton, A.; De la Cruz-Burelo, E.; Degenhardt, J. D.; Magerkurth, A.; Neal, H. A.; Qian, J.; Strandberg, J.; Zhou, B.] Univ Michigan, Ann Arbor, MI 48109 USA.
[Abolins, M.; Benitez, J. A.; Brock, R.; Dyer, J.; Edmunds, D.; Hall, I.; Hauser, R.; Kalk, J. R.; Linnemann, J.; Piper, J.; Pope, B. G.; Schwienhorst, R.; Unalan, R.] Michigan State Univ, E Lansing, MI 48824 USA.
[Melnitchouk, A.; Quinn, B.] Univ Mississippi, University, MS 38677 USA.
[Bloom, K.; Claes, D.; Dominguez, A.; Eads, M.; Malik, S.; Snow, G. R.; Voutilainen, M.] Univ Nebraska, Lincoln, NE 68588 USA.
[Haley, J.; Schwartzman, A.; Tully, C.; Wagner, R.] Princeton Univ, Princeton, NJ 08544 USA.
[Iashvili, I.; Kharchilava, A.; Kumar, A.; Strang, M. A.] SUNY Buffalo, Buffalo, NY 14260 USA.
[Brooijmans, G.; Haas, A.; Johnson, C.; Katsanos, I.; Khatidze, D.; Lammers, S.; Mitrevski, J.; Mulhearn, M.; Parsons, J.; Tuts, P. M.; Zivkovic, L.] Columbia Univ, New York, NY 10027 USA.
[Begel, M.; Cammin, J.; Demina, R.; Ferbel, T.; Garcia, C.; Ginther, G.; Harel, A.; Park, S. -J.; Slattery, P.; Zielinski, M.] Univ Rochester, Rochester, NY 14627 USA.
[Dong, H.; Grannis, P. D.; Guo, J.; Guo, F.; Herner, K.; Hobbs, J. D.; Hu, Y.; McCarthy, R.; Rijssenbeek, M.; Schamberger, R. D.; Strauss, E.; Tsybychev, D.; Zhu, J.] SUNY Stony Brook, Stony Brook, NY 11794 USA.
[Evdokimov, A.; Kahn, S.; Patwa, 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.; Hossain, S.; Jain, S.; Kopal, M.; Rominsky, M.; Severini, H.; Skubic, P.; Strauss, M.] Univ Oklahoma, Norman, OK 73019 USA.
[Khanov, A.; Rizatdinova, F.] Oklahoma State Univ, Stillwater, OK 74078 USA.
[Bose, T.; Casey, B. C. K.; Christofek, L.; Cutts, D.; Enari, Y.; Landsberg, G.; Narain, M.; Pangilinan, M.; Partridge, R.; Xie, Y.; Yoo, H. D.] Brown Univ, Providence, RI 02912 USA.
[Brandt, A.; De, K.; Kaushik, V.; Li, J.; Sosebee, M.; Spurlock, B.; White, A.; Yu, J.] Univ Texas Arlington, Arlington, TX 76019 USA.
[Kehoe, R.; Renkel, P.] So Methodist Univ, Dallas, TX 75275 USA.
[Bargassa, P.; Cooke, M.; Corcoran, M.; Mackin, D.; Padley, P.; Pawloski, G.] Rice Univ, Houston, TX 77005 USA.
[Brown, D.; Buehler, M.; Hirosky, R.] Univ Virginia, Charlottesville, VA 22901 USA.
[Burnett, T. H.; Gadfort, T.; Garcia-Bellido, A.; Lubatti, H. J.; Watts, G.; Zhao, T.] Univ Washington, Seattle, WA 98195 USA.
RP Abazov, VM (reprint author), Dubna Joint Nucl Res Inst, Dubna 141980, Russia.
RI Bargassa, Pedrame/O-2417-2016; Juste, Aurelio/I-2531-2015; Fisher,
Wade/N-4491-2013; Ancu, Lucian Stefan/F-1812-2010; Alves,
Gilvan/C-4007-2013; Deliot, Frederic/F-3321-2014; Sharyy,
Viatcheslav/F-9057-2014; Kupco, Alexander/G-9713-2014; Christoudias,
Theodoros/E-7305-2015; KIM, Tae Jeong/P-7848-2015; Guo, Jun/O-5202-2015;
Sznajder, Andre/L-1621-2016; Li, Liang/O-1107-2015; Nomerotski,
Andrei/A-5169-2010; Shivpuri, R K/A-5848-2010; Gutierrez,
Phillip/C-1161-2011; Dudko, Lev/D-7127-2012; Leflat,
Alexander/D-7284-2012; Novaes, Sergio/D-3532-2012; Mercadante,
Pedro/K-1918-2012; Mundim, Luiz/A-1291-2012; Yip, Kin/D-6860-2013; De,
Kaushik/N-1953-2013; Perfilov, Maxim/E-1064-2012; Merkin,
Mikhail/D-6809-2012
OI Malik, Sudhir/0000-0002-6356-2655; Blekman, Freya/0000-0002-7366-7098;
Blazey, Gerald/0000-0002-7435-5758; Evans, Harold/0000-0003-2183-3127;
Beuselinck, Raymond/0000-0003-2613-7446; Weber,
Gernot/0000-0003-4199-1640; Heinson, Ann/0000-0003-4209-6146; grannis,
paul/0000-0003-4692-2142; Qian, Jianming/0000-0003-4813-8167;
Belanger-Champagne, Camille/0000-0003-2368-2617; Begel,
Michael/0000-0002-1634-4399; Haas, Andrew/0000-0002-4832-0455; Weber,
Michele/0000-0002-2770-9031; Grohsjean, Alexander/0000-0003-0748-8494;
Melnychuk, Oleksandr/0000-0002-2089-8685; Bassler,
Ursula/0000-0002-9041-3057; Filthaut, Frank/0000-0003-3338-2247;
Naumann, Axel/0000-0002-4725-0766; Bertram, Iain/0000-0003-4073-4941;
Madaras, Ronald/0000-0001-7399-2993; Sawyer, Lee/0000-0001-8295-0605;
Bargassa, Pedrame/0000-0001-8612-3332; Hedin, David/0000-0001-9984-215X;
Wahl, Horst/0000-0002-1345-0401; 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; Gershtein,
Yuri/0000-0002-4871-5449; Duperrin, Arnaud/0000-0002-5789-9825;
Hoeneisen, Bruce/0000-0002-6059-4256; Ancu, Lucian
Stefan/0000-0001-5068-6723; Sharyy, Viatcheslav/0000-0002-7161-2616;
Christoudias, Theodoros/0000-0001-9050-3880; KIM, Tae
Jeong/0000-0001-8336-2434; Guo, Jun/0000-0001-8125-9433; Sznajder,
Andre/0000-0001-6998-1108; Li, Liang/0000-0001-6411-6107; Bean,
Alice/0000-0001-5967-8674; Dudko, Lev/0000-0002-4462-3192; Novaes,
Sergio/0000-0003-0471-8549; Mundim, Luiz/0000-0001-9964-7805; Yip,
Kin/0000-0002-8576-4311; De, Kaushik/0000-0002-5647-4489;
NR 17
TC 43
Z9 43
U1 0
U2 6
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 JAN
PY 2008
VL 77
IS 1
AR 011106
DI 10.1103/PhysRevD.77.011106
PG 8
WC Astronomy & Astrophysics; Physics, Particles & Fields
SC Astronomy & Astrophysics; Physics
GA 258JH
UT WOS:000252863700006
ER
PT J
AU Afanasev, A
Strikman, M
Weiss, C
AF Afanasev, A.
Strikman, M.
Weiss, C.
TI Transverse target spin asymmetry in inclusive DIS with two-photon
exchange
SO PHYSICAL REVIEW D
LA English
DT Article
ID ELECTRON-PROTON SCATTERING; PRECISION-MEASUREMENT; INELASTIC SCATTERING;
CONSTITUENT QUARKS; SUM-RULES; POLARIZATION; ELECTROPRODUCTION;
INSTANTONS
AB We study the transverse target spin dependence of the cross section for inclusive electron-nucleon scattering with unpolarized beam. Such dependence is absent in the one-photon exchange approximation (Christ-Lee theorem) and arises only in higher orders of the QED expansion, from the interference of one-photon and absorptive two-photon exchange amplitudes as well as from real photon emission (bremsstrahlung). We demonstrate that the transverse spin-dependent two-photon exchange cross section is free of QED infrared and collinear divergences. We argue that in DIS kinematics the transverse spin dependence should be governed by a "partonlike" mechanism in which the two-photon exchange couples mainly to a single quark. We calculate the normal spin asymmetry in an approximation where the dominant contribution arises from quark-helicity flip due to interactions with nonperturbative vacuum fields (constituent quark picture) and is proportional to the quark transversity distribution in the nucleon. Such helicity-flip processes are not significantly Sudakov-suppressed if the infrared scale for gluon emission in the photon-quark subprocess is of the order of the chiral symmetry breaking scale, mu(2)(chiral)>Lambda(2)(QCD). We estimate the asymmetry in the kinematics of the planned Jefferson Lab Hall A experiment to be of the order 10(-4), with different sign for proton and neutron. We also comment on the spin dependence in the limit of soft high-energy scattering.
C1 [Afanasev, A.] Hampton Univ, Dept Phys, Hampton, VA 23668 USA.
[Afanasev, A.; Weiss, C.] Ctr Theory, Jefferson Lab, Newport News, VA 23606 USA.
[Strikman, M.] Penn State Univ, Dept Phys, University Pk, PA 16802 USA.
RP Afanasev, A (reprint author), Hampton Univ, Dept Phys, Hampton, VA 23668 USA.
OI Afanasev, Andrei/0000-0003-0679-3307
NR 44
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 JAN
PY 2008
VL 77
IS 1
AR 014028
DI 10.1103/PhysRevD.77.014028
PG 23
WC Astronomy & Astrophysics; Physics, Particles & Fields
SC Astronomy & Astrophysics; Physics
GA 258JH
UT WOS:000252863700050
ER
PT J
AU Agashe, K
Belyaev, A
Krupovnickas, T
Perez, G
Virzi, J
AF Agashe, Kaustubh
Belyaev, Alexander
Krupovnickas, Tadas
Perez, Gilad
Virzi, Joseph
TI CERN LHC signals from warped extra dimensions
SO PHYSICAL REVIEW D
LA English
DT Article
ID FORWARD-BACKWARD ASYMMETRIES; PRODUCTION NEAR-THRESHOLD; RANDALL-SUNDRUM
MODEL; QUARK PAIR PRODUCTION; TOP-QUARK; GAUGE BOSONS; FLAVOR VIOLATION;
SPIN CORRELATIONS; HADRON COLLIDERS; DECAY
AB We study production of Kaluza-Klein (KK) gluons at the Large Hadron Collider (LHC) in the framework of a warped extra dimension with the standard model fields propagating in the bulk. We show that the detection of the KK gluon is challenging since its production is suppressed by small couplings to the proton's constituents. Moreover, the KK gluon decays mostly to top pairs due to an enhanced coupling and hence is broad. Nevertheless, we demonstrate that for M(KKG) less than or similar to 4 TeV, 100 fb(-1) of data at the LHC can provide discovery of the KK gluon. We utilize a sizable left-right polarization asymmetry from the KK gluon resonance to maximize the signal significance, and we explore the novel feature of extremely highly energetic "top-jets." We briefly discuss how the detection of electroweak gauge KK states (Z/W) faces a similar challenge since their leptonic decays (golden modes) are suppressed. Our analysis suggests that other frameworks, for example, little Higgs, which rely on UV completion via strong dynamics might face similar challenges, namely, (1) suppressed production rates for the new particles (such as Z'), due to their "light-fermion-phobic" nature, and (2) difficulties in detection since the new particles are broad and decay predominantly to third generation quarks and longitudinal gauge bosons.
C1 [Agashe, Kaustubh] Syracuse Univ, Dept Phys, Syracuse, NY 13244 USA.
[Belyaev, Alexander] Michigan State Univ, Dept Phys & Astron, E Lansing, MI 48824 USA.
[Krupovnickas, Tadas] Brookhaven Natl Lab, Upton, NY 11973 USA.
[Perez, Gilad] SUNY Stony Brook, CN Yang Inst Theoret Phys, Stony Brook, NY 11794 USA.
[Virzi, Joseph] Lawrence Berkeley Natl Lab, Div Phys, Berkeley, CA 94720 USA.
RP Agashe, K (reprint author), Syracuse Univ, Dept Phys, Syracuse, NY 13244 USA.
RI Belyaev, Alexander/F-6637-2015
OI Belyaev, Alexander/0000-0002-1733-4408
NR 88
TC 221
Z9 222
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 JAN
PY 2008
VL 77
IS 1
AR 015003
DI 10.1103/PhysRevD.77.015003
PG 11
WC Astronomy & Astrophysics; Physics, Particles & Fields
SC Astronomy & Astrophysics; Physics
GA 258JH
UT WOS:000252863700078
ER
PT J
AU Antonio, DJ
Bowler, KC
Boyle, PA
Christ, NH
Clark, MA
Cohen, SD
Dawson, C
Hart, A
Joo, B
Jung, C
Kenway, RD
Li, S
Lin, M
Mawhinney, RD
Maynard, CM
Ohta, S
Tweedie, RJ
Yamaguchi, A
AF Antonio, David J.
Bowler, Kenneth C.
Boyle, Peter A.
Christ, Norman H.
Clark, Michael A.
Cohen, Saul D.
Dawson, Chris
Hart, Alistair
Joo, Balint
Jung, Chulwoo
Kenway, Richard D.
Li, Shu
Lin, Meifeng
Mawhinney, Robert D.
Maynard, Christopher M.
Ohta, Shigemi
Tweedie, Robert J.
Yamaguchi, Azusa
TI Localization and chiral symmetry in three flavor domain wall QCD
SO PHYSICAL REVIEW D
LA English
DT Article
ID LATTICE GAUGE-THEORY; WILSON FERMIONS; DIRAC OPERATOR; U(1) PROBLEM;
CONSTRUCTION; PROJECT; OVERLAP; FLOW
AB We present results for the dependence of the residual mass of domain wall fermions on the size of the fifth dimension and its relation to the density and localization properties of low-lying eigenvectors of the corresponding Hermitian Wilson Dirac operator in three flavor domain wall QCD. Using the DBW2 and Iwasaki gauge actions, we generate ensembles of configurations with a 16(3) x 32 space-time volume and an extent of 8 in the fifth dimension for the sea quarks. We demonstrate the existence of a regime where the degree of locality, the size of chiral symmetry breaking, and the rate of topology change can be acceptable for inverse lattice spacings a(-1)>= 1.6 GeV, enabling a programme of simulations of 2 + 1 flavor QCD to be conducted safely in this region of parameter space.
C1 [Antonio, David J.; Bowler, Kenneth C.; Boyle, Peter A.; Hart, Alistair; Joo, Balint; Kenway, Richard D.; Tweedie, Robert J.] Univ Edinburgh, Sch Phys, SUPA, Edinburgh EH9 3JZ, Midlothian, Scotland.
[Christ, Norman H.; Cohen, Saul D.; Li, Shu; Lin, Meifeng; Mawhinney, Robert D.] Columbia Univ, Dept Phys, New York, NY 10027 USA.
[Clark, Michael A.] Boston Univ, Ctr Computat Sci, Boston, MA 02215 USA.
[Dawson, Chris] Brookhaven Natl Lab, RIKEN BNL, Res Ctr, Upton, NY 11973 USA.
[Joo, Balint] Jefferson Lab, Newport News, VA 23606 USA.
[Jung, Chulwoo] Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA.
[Maynard, Christopher M.] Univ Edinburgh, Sch Phys, EPCC, Edinburgh EH9 3JZ, Midlothian, Scotland.
[Tweedie, Robert J.] KEK, Inst Particle & Nucl Studies, Tsukuba, Ibaraki 3050801, Japan.
[Tweedie, Robert J.] Sokendai Grad Univ Glasgow, Dept Phys, Kanagawa 2400193, Japan.
[Yamaguchi, Azusa] Univ Glasgow, Dept Phys & Astron, SUPA, Glasgow G12 8QQ, Lanark, Scotland.
RP Antonio, DJ (reprint author), Univ Edinburgh, Sch Phys, SUPA, Edinburgh EH9 3JZ, Midlothian, Scotland.
OI Cohen, Saul/0000-0001-6804-3320
NR 56
TC 31
Z9 31
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 JAN
PY 2008
VL 77
IS 1
AR 014509
DI 10.1103/PhysRevD.77.014509
PG 21
WC Astronomy & Astrophysics; Physics, Particles & Fields
SC Astronomy & Astrophysics; Physics
GA 258JH
UT WOS:000252863700069
ER
PT J
AU Aubert, B
Bona, M
Boutigny, D
Karyotakis, Y
Lees, JP
Poireau, V
Prudent, X
Tisserand, V
Zghiche, A
Tico, JG
Grauges, E
Lopez, L
Palano, A
Pappagallo, M
Eigen, G
Stugu, B
Sun, L
Abrams, GS
Battaglia, M
Brown, DN
Button-Shafer, J
Cahn, RN
Groysman, Y
Jacobsen, RG
Kadyk, JA
Kerth, LT
Kolomensky, YG
Kukartsev, G
Pegna, DL
Lynch, G
Mir, LM
Orimoto, TJ
Osipenkov, IL
Ronan, MT
Tackmann, K
Tanabe, T
Wenzel, WA
Sanchez, PDA
Hawkes, CM
Watson, AT
Held, T
Koch, H
Pelizaeus, M
Schroeder, T
Steinke, M
Walker, D
Asgeirsson, DJ
Cuhadar-Donszelmann, T
Fulsom, BG
Hearty, C
Mattison, TS
McKenna, JA
Khan, A
Saleem, M
Teodorescu, L
Blinov, VE
Bukin, AD
Druzhinin, VP
Golubev, VB
Onuchin, AP
Serednyakov, SI
Skovpen, YI
Solodov, EP
Todyshev, KY
Bondioli, M
Curry, S
Eschrich, I
Kirkby, D
Lankford, AJ
Lund, P
Mandelkern, M
Martin, EC
Stoker, DP
Abachi, S
Buchanan, C
Foulkes, SD
Gary, JW
Liu, F
Long, O
Shen, BC
Zhang, L
Paar, HP
Rahatlou, S
Sharma, V
Berryhill, JW
Campagnari, C
Cunha, A
Dahmes, B
Hong, TM
Kovalskyi, D
Richman, JD
Beck, TW
Eisner, AM
Flacco, CJ
Heusch, CA
Kroseberg, J
Lockman, WS
Schalk, T
Schumm, BA
Seiden, A
Wilson, MG
Winstrom, LO
Chen, E
Cheng, CH
Fang, F
Hitlin, DG
Narsky, I
Piatenko, T
Porter, FC
Andreassen, R
Mancinelli, G
Meadows, BT
Mishra, K
Sokoloff, MD
Blanc, F
Bloom, PC
Chen, S
Ford, WT
Hirschauer, JF
Kreisel, A
Nagel, M
Nauenberg, U
Olivas, A
Smith, JG
Ulmer, KA
Wagner, SR
Zhang, J
Gabareen, AM
Soffer, A
Toki, WH
Wilson, RJ
Winklmeier, F
Altenburg, DD
Feltresi, E
Hauke, A
Jasper, H
Merkel, J
Petzold, A
Spaan, B
Wacker, K
Klose, V
Kobel, MJ
Lacker, HM
Mader, WF
Nogowski, R
Schubert, J
Schubert, KR
Schwierz, R
Sundermann, JE
Volk, A
Bernard, D
Bonneaud, GR
Latour, E
Lombardo, V
Thiebaux, C
Verderi, M
Clark, PJ
Gradl, W
Muheim, F
Playfer, S
Robertson, AI
Watson, JE
Xie, Y
Andreotti, M
Bettoni, D
Bozzi, C
Calabrese, R
Cecchi, A
Cibinetto, G
Franchini, P
Luppi, E
Negrini, M
Petrella, A
Piemontese, L
Prencipe, E
Santoro, V
Anulli, F
Baldini-Ferroli, R
Calcaterra, A
De Sangro, R
Finocchiaro, G
Pacetti, S
Patteri, P
Peruzzi, IM
Piccolo, M
Rama, M
Zallo, A
Buzzo, A
Contri, R
Lo Vetere, M
Macri, MM
Monge, MR
Passaggio, S
Patrignani, C
Robutti, E
Santroni, A
Tosi, S
Chaisanguanthum, KS
Morii, M
Wu, J
Dubitzky, RS
Marks, J
Schenk, S
Uwer, U
Bard, DJ
Dauncey, PD
Flack, RL
Nash, JA
Vazquez, WP
Tibbetts, M
Behera, PK
Chai, X
Charles, MJ
Mallik, U
Ziegler, V
Cochran, J
Crawley, HB
Dong, L
Eyges, V
Meyer, WT
Prell, S
Rosenberg, EI
Rubin, AE
Gao, YY
Gritsan, AV
Guo, ZJ
Lae, CK
Denig, AG
Fritsch, M
Schott, G
Arnaud, N
Bequilleux, J
D'Orazio, A
Davier, M
Grosdidier, G
Hocker, A
Lepeltier, V
Le Diberder, F
Lutz, AM
Pruvot, S
Rodier, S
Roudeau, P
Schune, MH
Serrano, J
Sordini, V
Stocchi, A
Wang, WF
Wormser, G
Lange, DJ
Wright, DM
Bingham, I
Chavez, CA
Forster, IJ
Fry, JR
Gabathuler, E
Gamet, R
Hutchcroft, DE
Payne, DJ
Schofield, KC
Touramanis, C
Bevan, AJ
George, KA
Di Lodovico, F
Menges, W
Sacco, R
Cowan, G
Flaecher, HU
Hopkins, DA
Paramesvaran, S
Salvatore, F
Wren, AC
Brown, DN
Davis, CL
Allison, J
Barlow, NR
Barlow, RJ
Chia, YM
Edgar, CL
Lafferty, GD
West, TJ
Yi, JI
Anderson, J
Chen, C
Jawahery, A
Roberts, DA
Simi, G
Tuggle, JM
Blaylock, G
Dallapiccola, C
Hertzbach, SS
Li, X
Moore, TB
Salvati, E
Saremi, S
Cowan, R
Dujmic, D
Fisher, PH
Koeneke, K
Sciolla, G
Sekula, SJ
Spitznagel, M
Taylor, F
Yamamoto, RK
Zhao, M
Zheng, Y
Mclachlin, SE
Patel, PM
Robertson, SH
Lazzaro, A
Palombo, F
Bauer, JM
Cremaldi, L
Eschenburg, V
Godang, R
Kroeger, R
Sanders, DA
Summers, DJ
Zhao, HW
Brunet, S
Cote, D
Simard, M
Taras, P
Viaud, FB
Nicholson, H
De Nardo, G
Fabozzi, F
Lista, L
Monorchio, D
Sciacca, C
Baak, MA
Raven, G
Snoek, HL
Jessop, CP
Knoepfel, KJ
LoSecco, JM
Benelli, G
Corwin, LA
Honscheid, K
Kagan, H
Kass, R
Morris, JP
Rahimi, AM
Regensburger, JJ
Wong, QK
Blount, NL
Brau, J
Frey, R
Igonkina, O
Kolb, JA
Lu, M
Rahmat, R
Sinev, NB
Strom, D
Strube, J
Torrence, E
Gagliardi, N
Gaz, A
Margoni, M
Morandin, M
Pompili, A
Posocco, M
Rotondo, M
Simonetto, F
Stroili, R
Voci, C
Ben-Haim, E
Briand, H
Calderini, G
Chauveau, J
David, P
Del Buono, L
De la Vaissiere, C
Hamon, O
Leruste, P
Malcles, J
Ocariz, J
Perez, A
Prendki, J
Gladney, L
Biasini, M
Covarelli, R
Manoni, E
Angelini, C
Batignani, G
Bettarini, S
Carpinelli, M
Cenci, R
Cervelli, A
Forti, F
Giorgi, MA
Lusiani, A
Marchiori, G
Mazur, MA
Morganti, M
Neri, N
Paoloni, E
Rizzo, G
Walsh, JJ
Haire, M
Biesiada, J
Elmer, P
Lau, YP
Lu, C
Olsen, J
Smith, AJS
Telnov, AV
Baracchini, E
Bellini, F
Cavoto, G
Del Re, D
Di Marco, E
Faccini, R
Ferrarotto, F
Ferroni, F
Gaspero, M
Jackson, PD
Gioi, LL
Mazzoni, MA
Morganti, S
Piredda, G
Polci, F
Renga, F
Voena, C
Ebert, M
Hartmann, T
Schroder, H
Waldi, R
Adye, T
Castelli, G
Franek, B
Olaiya, EO
Ricciardi, S
Roethel, W
Wilson, FF
Emery, S
Escalier, M
Gaidot, A
Ganzhur, SF
De Monchenault, GH
Kozanecki, W
Vasseur, G
Che, CY
Zito, M
Chen, XR
Liu, H
Park, W
Purohit, MV
Wilson, JR
Allen, MT
Aston, D
Bartoldus, R
Bechtle, P
Berger, N
Claus, R
Coleman, JP
Convery, MR
Dingfelder, JC
Dorfan, J
Dubois-Felsmann, GP
Dunwoodie, W
Field, RC
Glanzman, T
Gowdy, SJ
Graham, MT
Grenier, P
Hast, C
Hryn'ova, T
Innes, WR
Kaminski, J
Kelsey, MH
Kim, H
Kim, P
Kocian, ML
Leith, DWGS
Li, S
Luitz, S
Luth, V
Lynch, HL
MacFarlane, DB
Marsiske, H
Messner, R
Muller, DR
O'Grady, CP
Ofte, I
Perazzo, A
Perl, M
Pulliam, T
Ratcliff, BN
Roodman, A
Salnikov, AA
Schindler, RH
Schwiening, J
Snyder, A
Stelzer, J
Su, D
Sullivan, MK
Suzuki, K
Swain, SK
Thompson, JM
Va'vra, J
Van Bakel, N
Wagner, AP
Weaver, M
Wisniewski, WJ
Wittgen, M
Wright, DH
Yarritu, AK
Yi, K
Young, CC
Burchat, PR
Edwards, AJ
Majewski, SA
Petersen, BA
Wilden, L
Ahmed, S
Alam, MS
Bula, R
Ernst, JA
Jain, V
Pan, B
Saeed, MA
Wappler, FR
Zain, SB
Krishnamurthy, M
Spanier, SM
Eckmann, R
Ritchie, JL
Ruland, AM
Schilling, CJ
Schwitters, RF
Izen, JM
Lou, XC
Ye, S
Bianchi, F
Gallo, F
Gamba, D
Pelliccioni, M
Bomben, M
Bosisio, L
Cartaro, C
Cossutti, F
Della Ricca, G
Lanceri, L
Vitale, L
Azzolini, V
Lopez-March, N
Martinez-Vidal, F
Milanes, DA
Oyanguren, A
Albert, J
Banerjee, S
Bhuyan, B
Hamano, K
Kowalewski, R
Nugent, IM
Roney, JM
Sobie, RJ
Harrison, PF
Ilic, J
Latham, TE
Mohanty, GB
Band, HR
Chen, X
Dasu, S
Flood, KT
Hollar, JJ
Kutter, PE
Pan, Y
Pierini, M
Prepost, R
Wu, SL
Neal, H
AF Aubert, B.
Bona, M.
Boutigny, D.
Karyotakis, Y.
Lees, J. P.
Poireau, V.
Prudent, X.
Tisserand, V.
Zghiche, A.
Tico, J. Garra
Grauges, E.
Lopez, L.
Palano, A.
Pappagallo, M.
Eigen, G.
Stugu, B.
Sun, L.
Abrams, G. S.
Battaglia, M.
Brown, D. N.
Button-Shafer, J.
Cahn, R. N.
Groysman, Y.
Jacobsen, R. G.
Kadyk, J. A.
Kerth, L. T.
Kolomensky, Yu. G.
Kukartsev, G.
Pegna, D. Lopes
Lynch, G.
Mir, L. M.
Orimoto, T. J.
Osipenkov, I. L.
Ronan, M. T.
Tackmann, K.
Tanabe, T.
Wenzel, W. A.
Sanchez, P. Del Amo
Hawkes, C. M.
Watson, A. T.
Held, T.
Koch, H.
Pelizaeus, M.
Schroeder, T.
Steinke, M.
Walker, D.
Asgeirsson, D. J.
Cuhadar-Donszelmann, T.
Fulsom, B. G.
Hearty, C.
Mattison, T. S.
McKenna, J. A.
Khan, A.
Saleem, M.
Teodorescu, L.
Blinov, V. E.
Bukin, A. D.
Druzhinin, V. P.
Golubev, V. B.
Onuchin, A. P.
Serednyakov, S. I.
Skovpen, Yu. I.
Solodov, E. P.
Todyshev, K. Yu.
Bondioli, M.
Curry, S.
Eschrich, I.
Kirkby, D.
Lankford, A. J.
Lund, P.
Mandelkern, M.
Martin, E. C.
Stoker, D. P.
Abachi, S.
Buchanan, C.
Foulkes, S. D.
Gary, J. W.
Liu, F.
Long, O.
Shen, B. C.
Zhang, L.
Paar, H. P.
Rahatlou, S.
Sharma, V.
Berryhill, J. W.
Campagnari, C.
Cunha, A.
Dahmes, B.
Hong, T. M.
Kovalskyi, D.
Richman, J. D.
Beck, T. W.
Eisner, A. M.
Flacco, C. J.
Heusch, C. A.
Kroseberg, J.
Lockman, W. S.
Schalk, T.
Schumm, B. A.
Seiden, A.
Wilson, M. G.
Winstrom, L. O.
Chen, E.
Cheng, C. H.
Fang, F.
Hitlin, D. G.
Narsky, I.
Piatenko, T.
Porter, F. C.
Andreassen, R.
Mancinelli, G.
Meadows, B. T.
Mishra, K.
Sokoloff, M. D.
Blanc, F.
Bloom, P. C.
Chen, S.
Ford, W. T.
Hirschauer, J. F.
Kreisel, A.
Nagel, M.
Nauenberg, U.
Olivas, A.
Smith, J. G.
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Wagner, S. R.
Zhang, J.
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Soffer, A.
Toki, W. H.
Wilson, R. J.
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Dujmic, D.
Fisher, P. H.
Koeneke, K.
Sciolla, G.
Sekula, S. J.
Spitznagel, M.
Taylor, F.
Yamamoto, R. K.
Zhao, M.
Zheng, Y.
Mclachlin, S. E.
Patel, P. M.
Robertson, S. H.
Lazzaro, A.
Palombo, F.
Bauer, J. M.
Cremaldi, L.
Eschenburg, V.
Godang, R.
Kroeger, R.
Sanders, D. A.
Summers, D. J.
Zhao, H. W.
Brunet, S.
Cote, D.
Simard, M.
Taras, P.
Viaud, F. B.
Nicholson, H.
De Nardo, G.
Fabozzi, F.
Lista, L.
Monorchio, D.
Sciacca, C.
Baak, M. A.
Raven, G.
Snoek, H. L.
Jessop, C. P.
Knoepfel, K. J.
LoSecco, J. M.
Benelli, G.
Corwin, L. A.
Honscheid, K.
Kagan, H.
Kass, R.
Morris, J. P.
Rahimi, A. M.
Regensburger, J. J.
Wong, Q. K.
Blount, N. L.
Brau, J.
Frey, R.
Igonkina, O.
Kolb, J. A.
Lu, M.
Rahmat, R.
Sinev, N. B.
Strom, D.
Strube, J.
Torrence, E.
Gagliardi, N.
Gaz, A.
Margoni, M.
Morandin, M.
Pompili, A.
Posocco, M.
Rotondo, M.
Simonetto, F.
Stroili, R.
Voci, C.
Ben-Haim, E.
Briand, H.
Calderini, G.
Chauveau, J.
David, P.
Del Buono, L.
De la Vaissiere, Ch.
Hamon, O.
Leruste, Ph.
Malcles, J.
Ocariz, J.
Perez, A.
Prendki, J.
Gladney, L.
Biasini, M.
Covarelli, R.
Manoni, E.
Angelini, C.
Batignani, G.
Bettarini, S.
Carpinelli, M.
Cenci, R.
Cervelli, A.
Forti, F.
Giorgi, M. A.
Lusiani, A.
Marchiori, G.
Mazur, M. A.
Morganti, M.
Neri, N.
Paoloni, E.
Rizzo, G.
Walsh, J. J.
Haire, M.
Biesiada, J.
Elmer, P.
Lau, Y. P.
Lu, C.
Olsen, J.
Smith, A. J. S.
Telnov, A. V.
Baracchini, E.
Bellini, F.
Cavoto, G.
Del Re, D.
Di Marco, E.
Faccini, R.
Ferrarotto, F.
Ferroni, F.
Gaspero, M.
Jackson, P. D.
Gioi, L. Li
Mazzoni, M. A.
Morganti, S.
Piredda, G.
Polci, F.
Renga, F.
Voena, C.
Ebert, M.
Hartmann, T.
Schroder, H.
Waldi, R.
Adye, T.
Castelli, G.
Franek, B.
Olaiya, E. O.
Ricciardi, S.
Roethel, W.
Wilson, F. F.
Emery, S.
Escalier, M.
Gaidot, A.
Ganzhur, S. F.
De Monchenault, G. Hamel
Kozanecki, W.
Vasseur, G.
Che, Ch. Ye
Zito, M.
Chen, X. R.
Liu, H.
Park, W.
Purohit, M. V.
Wilson, J. R.
Allen, M. T.
Aston, D.
Bartoldus, R.
Bechtle, P.
Berger, N.
Claus, R.
Coleman, J. P.
Convery, M. R.
Dingfelder, J. C.
Dorfan, J.
Dubois-Felsmann, G. P.
Dunwoodie, W.
Field, R. C.
Glanzman, T.
Gowdy, S. J.
Graham, M. T.
Grenier, P.
Hast, C.
Hryn'ova, T.
Innes, W. R.
Kaminski, J.
Kelsey, M. H.
Kim, H.
Kim, P.
Kocian, M. L.
Leith, D. W. G. S.
Li, S.
Luitz, S.
Luth, V.
Lynch, H. L.
MacFarlane, D. B.
Marsiske, H.
Messner, R.
Muller, D. R.
O'Grady, C. P.
Ofte, I.
Perazzo, A.
Perl, M.
Pulliam, T.
Ratcliff, B. N.
Roodman, A.
Salnikov, A. A.
Schindler, R. H.
Schwiening, J.
Snyder, A.
Stelzer, J.
Su, D.
Sullivan, M. K.
Suzuki, K.
Swain, S. K.
Thompson, J. M.
Va'vra, J.
Van Bakel, N.
Wagner, A. P.
Weaver, M.
Wisniewski, W. J.
Wittgen, M.
Wright, D. H.
Yarritu, A. K.
Yi, K.
Young, C. C.
Burchat, P. R.
Edwards, A. J.
Majewski, S. A.
Petersen, B. A.
Wilden, L.
Ahmed, S.
Alam, M. S.
Bula, R.
Ernst, J. A.
Jain, V.
Pan, B.
Saeed, M. A.
Wappler, F. R.
Zain, S. B.
Krishnamurthy, M.
Spanier, S. M.
Eckmann, R.
Ritchie, J. L.
Ruland, A. M.
Schilling, C. J.
Schwitters, R. F.
Izen, J. M.
Lou, X. C.
Ye, S.
Bianchi, F.
Gallo, F.
Gamba, D.
Pelliccioni, M.
Bomben, M.
Bosisio, L.
Cartaro, C.
Cossutti, F.
Della Ricca, G.
Lanceri, L.
Vitale, L.
Azzolini, V.
Lopez-March, N.
Martinez-Vidal, F.
Milanes, D. A.
Oyanguren, A.
Albert, J.
Banerjee, Sw.
Bhuyan, B.
Hamano, K.
Kowalewski, R.
Nugent, I. M.
Roney, J. M.
Sobie, R. J.
Harrison, P. F.
Ilic, J.
Latham, T. E.
Mohanty, G. B.
Band, H. R.
Chen, X.
Dasu, S.
Flood, K. T.
Hollar, J. J.
Kutter, P. E.
Pan, Y.
Pierini, M.
Prepost, R.
Wu, S. L.
Neal, H.
TI Measurement of the CP-violating asymmetries in B(0)-> K(s)(0)pi(0) and
of the branching fraction B(0)-> K(0)pi(0)
SO PHYSICAL REVIEW D
LA English
DT Article
ID B-DECAYS; PHYSICS; MODEL
AB We present a measurement of the time-dependent CP-violating asymmetries in B(0)-> K(S)(0)pi(0) decays based on 383x10(6) Upsilon(4S)-> B (B) over bar events collected by the BABAR experiment at the PEP-II asymmetric-energy B Factory at the Stanford Linear Accelerator Center. We measure the direct CP-violating asymmetry C(KS)(0)pi(0)=0.24 +/- 0.15 +/- 0.03 and the CP-violating asymmetry in the interference between mixing and decay S(KS)(0)pi(0)=0.40 +/- 0.23 +/- 0.03, where the first errors are statistical and the second are systematic. On the same sample, we measure the decay branching fraction, obtaining B(B(0)-> K(0)pi(0))=(10.3 +/- 0.7 +/- 0.6)x10(-6).
C1 [Aubert, B.; Bona, M.; Boutigny, D.; Karyotakis, Y.; Lees, J. P.; Poireau, V.; Prudent, X.; Tisserand, V.; Zghiche, A.] IN2P3, CNRS, Phys Particules Lab, F-74941 Annecy Le Vieux, France.
[Aubert, B.; Bona, M.; Boutigny, D.; Karyotakis, Y.; Lees, J. P.; Poireau, V.; Prudent, X.; Tisserand, V.; Zghiche, A.] Univ Savoie, F-74941 Annecy Le Vieux, France.
[Tico, J. Garra; Grauges, E.] Univ Barcelona, Fac Fis, Dept ECM, E-08028 Barcelona, Spain.
[Lopez, L.; Palano, A.; Pappagallo, M.] Univ Bari, Dipartimento Fis, I-70126 Bari, Italy.
[Lopez, L.; Palano, A.; Pappagallo, M.] Ist Nazl Fis Nucl, I-70126 Bari, Italy.
[Eigen, G.; Stugu, B.; Sun, L.] Univ Bergen, Inst Phys, N-5007 Bergen, Norway.
[Abrams, G. S.; Battaglia, M.; Brown, D. N.; Button-Shafer, J.; Cahn, R. N.; Jacobsen, R. G.; Kadyk, J. A.; Kerth, L. T.; Kolomensky, Yu. G.; Kukartsev, G.; Pegna, D. Lopes; Lynch, G.; Mir, L. M.; Orimoto, T. J.; Osipenkov, I. L.; Ronan, M. T.; Tackmann, K.; Tanabe, T.; Wenzel, W. A.; Grosdidier, G.] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
[Sanchez, P. Del Amo; Hawkes, C. M.; Watson, A. T.] Univ Birmingham, Birmingham B15 2TT, W Midlands, England.
[Held, T.; Koch, H.; Pelizaeus, M.; Steinke, M.; Schroder, H.] Ruhr Univ Bochum, Inst Expt Phys 1, D-44780 Bochum, Germany.
[Walker, D.] Univ Bristol, Bristol BS8 1TL, Avon, England.
[Asgeirsson, D. J.; Cuhadar-Donszelmann, T.; Fulsom, B. G.; Hearty, C.; Mattison, T. S.; McKenna, J. A.] Univ British Columbia, Vancouver, BC V6T 1Z1, Canada.
[Khan, A.; Saleem, M.; Teodorescu, L.] Brunel Univ, Uxbridge UB8 3PH, Middx, England.
[Blinov, V. E.; Bukin, A. D.; Druzhinin, V. P.; Golubev, V. B.; Onuchin, A. P.; Serednyakov, S. I.; Skovpen, Yu. I.; Solodov, E. P.; Todyshev, K. Yu.] Budker Inst Nucl Phys, Novosibirsk 630090, Russia.
[Bondioli, M.; Curry, S.; Eschrich, I.; Kirkby, D.; Lankford, A. J.; Lund, P.; Mandelkern, M.; Martin, E. C.; Stoker, D. P.] Univ Calif Irvine, Irvine, CA 92697 USA.
[Abachi, S.; Buchanan, C.] Univ Calif Los Angeles, Los Angeles, CA 90024 USA.
[Foulkes, S. D.; Gary, J. W.; Liu, F.; Long, O.; Shen, B. C.; Zhang, L.] Univ Calif Riverside, Riverside, CA 92521 USA.
[Paar, H. P.; Rahatlou, S.; Sharma, V.] Univ Calif San Diego, La Jolla, CA 92093 USA.
[Berryhill, J. W.; Campagnari, C.; Cunha, A.; Dahmes, B.; Hong, T. M.; Kovalskyi, D.; Richman, J. D.] Univ Calif Santa Barbara, Santa Barbara, CA 93106 USA.
[Beck, T. W.; Eisner, A. M.; Flacco, C. J.; Heusch, C. A.; Kroseberg, J.; Lockman, W. S.; Schalk, T.; Schumm, B. A.; Seiden, A.; Wilson, M. G.; Winstrom, L. O.] Univ Calif Santa Cruz, Inst Particle Phys, Santa Cruz, CA 95064 USA.
[Chen, E.; Cheng, C. H.; Fang, F.; Hitlin, D. G.; Narsky, I.; Piatenko, T.; Porter, F. C.] CALTECH, Pasadena, CA 91125 USA.
[Andreassen, R.; Mancinelli, G.; Meadows, B. T.; Mishra, K.; Sokoloff, M. D.] Univ Cincinnati, Cincinnati, OH 45221 USA.
[Blanc, F.; Bloom, P. C.; Ford, W. T.; Hirschauer, J. F.; Kreisel, A.; Nagel, M.; Nauenberg, U.; Olivas, A.; Smith, J. G.; Ulmer, K. A.; Wagner, S. R.; Zhang, J.; Chen, C.] Univ Colorado, Boulder, CO 80309 USA.
[Gabareen, A. M.; Soffer, A.; Toki, W. H.; Winklmeier, F.; Wilson, J. R.] Colorado State Univ, Ft Collins, CO 80523 USA.
[Altenburg, D. D.; Feltresi, E.; Hauke, A.; Jasper, H.; Merkel, J.; Petzold, A.; Spaan, B.; Wacker, K.] Univ Dortmund, Inst Phys, D-44221 Dortmund, Germany.
[Klose, V.; Kobel, M. J.; Lacker, H. M.; Mader, W. F.; Nogowski, R.; Schubert, J.; Schubert, K. R.; Schwierz, R.; Sundermann, J. E.; Volk, A.] Tech Univ Dresden, Inst Kern & Teilchenphys, D-01062 Dresden, Germany.
[Bernard, D.; Bonneaud, G. R.; Latour, E.; Lombardo, V.; Thiebaux, Ch.; Verderi, M.] Ecole Polytech, CNRS, IN2P3, Lab Leprince Ringuet, F-91128 Palaiseau, France.
Univ Edinburgh, Edinburgh EH9 3JZ, Midlothian, Scotland.
[Bernard, D.; Bonneaud, G. R.; Latour, E.; Lombardo, V.; Thiebaux, Ch.; Verderi, M.] Univ Edinburgh, Edinburgh EH9 3JZ, Midlothian, Scotland.
[Watson, A. T.; Clark, P. J.; Gradl, W.; Muheim, F.; Playfer, S.; Robertson, A. I.; Xie, Y.] Univ Ferrara, Dipartimento Fis, I-44100 Ferrara, Italy.
[Andreotti, M.; Bettoni, D.; Bozzi, C.; Prencipe, E.; Santoro, V.] Ist Nazl Fis Nucl, I-44100 Ferrara, Italy.
[Anulli, F.; Baldini-Ferroli, R.; Calcaterra, A.; De Sangro, R.; Finocchiaro, G.; Pacetti, S.; Patteri, P.; Peruzzi, I. M.; Piccolo, M.; Rama, M.; Zallo, A.] Ist Nazl Fis Nucl, Lab Nazl Frascati, I-00044 Frascati, Italy.
[Buzzo, A.; Contri, R.; Lo Vetere, M.; Macri, M. M.; Monge, M. R.; Passaggio, S.; Patrignani, C.; Robutti, E.; Santroni, A.; Tosi, S.] Univ Genoa, Dipartimento Fis, I-16146 Genoa, Italy.
[Buzzo, A.; Contri, R.; Lo Vetere, M.; Macri, M. M.; Monge, M. R.; Passaggio, S.; Patrignani, C.; Robutti, E.; Santroni, A.; Tosi, S.] Ist Nazl Fis Nucl, I-16146 Genoa, Italy.
[Chaisanguanthum, K. S.; Morii, M.; Wu, J.] Harvard Univ, Cambridge, MA 02138 USA.
[Dubitzky, R. S.; Marks, J.; Schenk, S.; Uwer, U.] Univ Heidelberg, Inst Phys, D-69120 Heidelberg, Germany.
[Bard, D. J.; Dauncey, P. D.; Flack, R. L.; Nash, J. A.; Vazquez, W. Panduro; Tibbetts, M.] Univ London Imperial Coll Sci Technol & Med, London SW7 2AZ, England.
[Behera, P. K.; Chai, X.; Charles, M. J.; Mallik, U.; Ziegler, V.] Univ Iowa, Iowa City, IA 52242 USA.
[Cochran, J.; Crawley, H. B.; Dong, L.; Eyges, V.; Meyer, W. T.; Prell, S.; Rosenberg, E. I.; Rubin, A. E.] Iowa State Univ, Ames, IA 50011 USA.
[Gao, Y. Y.; Gritsan, A. V.; Guo, Z. J.; Lae, C. K.] Johns Hopkins Univ, Baltimore, MD 21218 USA.
[Denig, A. G.; Fritsch, M.; Schott, G.] Univ Karlsruhe, Inst Expt Kernphys, D-76021 Karlsruhe, Germany.
[Arnaud, N.; Bequilleux, J.; D'Orazio, A.; Davier, M.; Grosdidier, G.; Hocker, A.; Lepeltier, V.; Le Diberder, F.; Lutz, A. M.; Pruvot, S.; Rodier, S.; Roudeau, P.; Schune, M. H.; Serrano, J.; Sordini, V.; Stocchi, A.; Wang, W. F.; Wormser, G.] IN2P3, CNRS, Accelerateur Lineaire Lab, F-91898 Orsay, France.
[Arnaud, N.; Bequilleux, J.; D'Orazio, A.; Davier, M.; Grosdidier, G.; Hocker, A.; Lepeltier, V.; Le Diberder, F.; Lutz, A. M.; Pruvot, S.; Rodier, S.; Roudeau, P.; Schune, M. H.; Serrano, J.; Sordini, V.; Stocchi, A.; Wang, W. F.; Wormser, G.] Univ Paris 11, Ctr Sci Orsay, F-91898 Orsay, France.
[Lange, D. J.; Wright, D. M.] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
[Bingham, I.; Chavez, C. A.; Forster, I. J.; Fry, J. R.; Gabathuler, E.; Gamet, R.; Hutchcroft, D. E.; Payne, D. J.; Schofield, K. C.; Touramanis, C.] Univ Liverpool, Liverpool L69 7ZE, Merseyside, England.
[Bevan, A. J.; George, K. A.; Di Lodovico, F.; Menges, W.; Sacco, R.] Univ London, Queen Mary, London E1 4NS, England.
[Cowan, G.; Flaecher, H. U.; Hopkins, D. A.; Paramesvaran, S.; Salvatore, F.; Wren, A. C.] Univ London, Royal Holloway & Bedford New Coll, Egham TW20 0EX, Surrey, England.
[Brown, D. N.; Davis, C. L.] Univ Louisville, Louisville, KY 40292 USA.
[Allison, J.; Barlow, N. R.; Barlow, R. J.; Chia, Y. M.; Edgar, C. L.; Lafferty, G. D.; West, T. J.; Yi, J. I.] Univ Manchester, Manchester M13 9PL, Lancs, England.
[Anderson, J.; Chen, C.; Jawahery, A.; Roberts, D. A.; Simi, G.; Tuggle, J. M.] Univ Maryland, College Pk, MD 20742 USA.
[Blaylock, G.; Dallapiccola, C.; Hertzbach, S. S.; Li, X.; Moore, T. B.; Salvati, E.; Saremi, S.] Univ Massachusetts, Amherst, MA 01003 USA.
[Cowan, R.; Dujmic, D.; Fisher, P. H.; Koeneke, K.; Sciolla, G.; Sekula, S. J.; Spitznagel, M.; Taylor, F.; Yamamoto, R. K.; Zhao, M.; Zheng, Y.] MIT, Nucl Sci Lab, Cambridge, MA 02139 USA.
[Mclachlin, S. E.; Patel, P. M.; Robertson, S. H.] McGill Univ, Montreal, PQ H3A 2T8, Canada.
[Lazzaro, A.; Palombo, F.] Univ Milan, Dipartimento Fis, I-20133 Milan, Italy.
[Lazzaro, A.; Palombo, F.] Ist Nazl Fis Nucl, I-20133 Milan, Italy.
[Bauer, J. M.; Cremaldi, L.; Eschenburg, V.; Godang, R.; Kroeger, R.; Sanders, D. A.; Summers, D. J.; Zhao, H. W.] Univ Mississippi, University, MS 38677 USA.
[Brunet, S.; Cote, D.; Simard, M.; Taras, P.; Viaud, F. B.] Univ Montreal, Montreal, PQ H3C 3J7, Canada.
[Nicholson, H.] Mt Holyoke Coll, S Hadley, MA 01075 USA.
[De Nardo, G.; Fabozzi, F.; Lista, L.; Monorchio, D.; Sciacca, C.] Univ Naples Federico 2, Dipartimento Sci Fisiche, I-80126 Naples, Italy.
[De Nardo, G.; Fabozzi, F.; Lista, L.; Monorchio, D.; Sciacca, C.] Ist Nazl Fis Nucl, I-80126 Naples, Italy.
[Baak, M. A.; Raven, G.; Snoek, H. L.] NIKHEF H, Natl Inst Nucl Phys & High Energy Phys, NL-1009 DB Amsterdam, Netherlands.
[Jessop, C. P.; Knoepfel, K. J.; LoSecco, J. M.] Univ Notre Dame, Notre Dame, IN 46556 USA.
[Benelli, G.; Corwin, L. A.; Honscheid, K.; Kagan, H.; Kass, R.; Morris, J. P.; Rahimi, A. M.; Regensburger, J. J.; Wong, Q. K.] Ohio State Univ, Columbus, OH 43210 USA.
[Blount, N. L.; Brau, J.; Frey, R.; Igonkina, O.; Kolb, J. A.; Lu, M.; Rahmat, R.; Sinev, N. B.; Strom, D.; Strube, J.; Torrence, E.] Univ Oregon, Eugene, OR 97403 USA.
[Gagliardi, N.; Gaz, A.; Margoni, M.; Morandin, M.; Pompili, A.; Posocco, M.; Rotondo, M.; Simonetto, F.; Stroili, R.; Voci, C.] Univ Padua, Dipartimento Fis, I-35131 Padua, Italy.
[Gagliardi, N.; Gaz, A.; Margoni, M.; Morandin, M.; Pompili, A.; Posocco, M.; Rotondo, M.; Simonetto, F.; Stroili, R.; Voci, C.] Ist Nazl Fis Nucl, I-35131 Padua, Italy.
[Ben-Haim, E.; Briand, H.; Calderini, G.; Chauveau, J.; David, P.; Del Buono, L.; De la Vaissiere, Ch.; Hamon, O.; Leruste, Ph.; Malcles, J.; Ocariz, J.; Perez, A.; Prendki, J.] Univ Paris 07, Univ Paris 06, CNRS, IN2P3,Lab Phys Nucl & Hautes Energies, F-75252 Paris, France.
[Gladney, L.] Univ Penn, Philadelphia, PA 19104 USA.
[Biasini, M.; Covarelli, R.; Manoni, E.] Univ Perugia, Dipartimento Fis, I-06100 Perugia, Italy.
[Biasini, M.; Covarelli, R.; Manoni, E.] Ist Nazl Fis Nucl, I-06100 Perugia, Italy.
[Angelini, C.; Batignani, G.; Bettarini, S.; Carpinelli, M.; Cenci, R.; Cervelli, A.; Forti, F.; Giorgi, M. A.; Lusiani, A.; Marchiori, G.; Mazur, M. A.; Morganti, M.; Neri, N.; Paoloni, E.; Rizzo, G.; Walsh, J. J.] Univ Pisa, Dipartimento Fis, Scuola Normale Super Pisa, I-56127 Pisa, Italy.
[Angelini, C.; Batignani, G.; Bettarini, S.; Carpinelli, M.; Cenci, R.; Cervelli, A.; Forti, F.; Giorgi, M. A.; Lusiani, A.; Marchiori, G.; Mazur, M. A.; Morganti, M.; Neri, N.; Paoloni, E.; Rizzo, G.; Walsh, J. J.] Ist Nazl Fis Nucl, I-56127 Pisa, Italy.
[Haire, M.] Prairie View A&M Univ, Prairie View, TX 77446 USA.
[Biesiada, J.; Elmer, P.; Lau, Y. P.; Lu, C.; Olsen, J.; Smith, A. J. S.; Telnov, A. V.] Princeton Univ, Princeton, NJ 08544 USA.
[Baracchini, E.; Bellini, F.; Cavoto, G.; Del Re, D.; Di Marco, E.; Faccini, R.; Ferrarotto, F.; Ferroni, F.; Gaspero, M.; Jackson, P. D.; Gioi, L. Li; Mazzoni, M. A.; Morganti, S.; Piredda, G.; Polci, F.; Renga, F.; Voena, C.] Univ Roma La Sapienza, Dipartimento Fis, I-00185 Rome, Italy.
[Baracchini, E.; Bellini, F.; Cavoto, G.; Del Re, D.; Di Marco, E.; Faccini, R.; Ferrarotto, F.; Ferroni, F.; Gaspero, M.; Jackson, P. D.; Gioi, L. Li; Mazzoni, M. A.; Morganti, S.; Piredda, G.; Polci, F.; Renga, F.; Voena, C.] Ist Nazl Fis Nucl, I-00185 Rome, Italy.
[Schroeder, T.; Ebert, M.; Hartmann, T.; Waldi, R.] Univ Rostock, D-18051 Rostock, Germany.
[Adye, T.; Castelli, G.; Franek, B.; Olaiya, E. O.; Ricciardi, S.; Roethel, W.; Wilson, F. F.] Rutherford Appleton Lab, Didcot OX11 0QX, Oxon, England.
[Emery, S.; Escalier, M.; Gaidot, A.; Ganzhur, S. F.; De Monchenault, G. Hamel; Kozanecki, W.; Vasseur, G.; Che, Ch. Ye; Zito, M.] CEA Saclay, DSM Dapnia, F-91191 Gif Sur Yvette, France.
[Liu, H.; Park, W.; Purohit, M. V.; Wilson, J. R.] Univ S Carolina, Columbia, SC 29208 USA.
[Lynch, G.; Aston, D.; Bartoldus, R.; Bechtle, P.; Berger, N.; Claus, R.; Coleman, J. P.; Convery, M. R.; Dingfelder, J. C.; Dorfan, J.; Dubois-Felsmann, G. P.; Dunwoodie, W.; Field, R. C.; Glanzman, T.; Gowdy, S. J.; Graham, M. T.; Grenier, P.; Hast, C.; Hryn'ova, T.; Innes, W. R.; Kaminski, J.; Kelsey, M. H.; Kim, H.; Kim, P.; Kocian, M. L.; Leith, D. W. G. S.; Li, S.; Luitz, S.; Luth, V.; MacFarlane, D. B.; Marsiske, H.; Messner, R.; Muller, D. R.; O'Grady, C. P.; Ofte, I.; Perazzo, A.; Perl, M.; Pulliam, T.; Ratcliff, B. N.; Roodman, A.; Salnikov, A. A.; Schindler, R. H.; Schwiening, J.; Snyder, A.; Stelzer, J.; Su, D.; Sullivan, M. K.; Suzuki, K.; Swain, S. K.; Thompson, J. M.; Va'vra, J.; Van Bakel, N.; Wagner, A. P.; Weaver, M.; Wisniewski, W. J.; Wittgen, M.; Wright, D. H.; Yarritu, A. K.; Yi, K.; Young, C. C.] Stanford Linear Accelerator Ctr, Stanford, CA 94309 USA.
[Burchat, P. R.; Edwards, A. J.; Majewski, S. A.; Petersen, B. A.; Wilden, L.] Stanford Univ, Stanford, CA 94305 USA.
[Ahmed, S.; Alam, M. S.; Bula, R.; Ernst, J. A.; Jain, V.; Pan, B.; Saeed, M. A.; Wappler, F. R.; Zain, S. B.] SUNY Albany, Albany, NY 12222 USA.
[Krishnamurthy, M.; Spanier, S. M.] Univ Tennessee, Knoxville, TN 37996 USA.
[Eckmann, R.; Ritchie, J. L.; Ruland, A. M.; Schilling, C. J.; Schwitters, R. F.] Univ Texas Austin, Austin, TX 78712 USA.
[Izen, J. M.; Lou, X. C.; Ye, S.] Univ Texas Dallas, Richardson, TX 75083 USA.
[Bianchi, F.; Gallo, F.; Gamba, D.; Pelliccioni, M.] Univ Turin, Dipartimento Fis Sperimentale, I-10125 Turin, Italy.
[Bianchi, F.; Gallo, F.; Gamba, D.; Pelliccioni, M.] Ist Nazl Fis Nucl, I-10125 Turin, Italy.
[Bomben, M.; Bosisio, L.; Cartaro, C.; Cossutti, F.; Della Ricca, G.; Lanceri, L.; Vitale, L.] Univ Trieste, Dipartmento Fis, I-34127 Trieste, Italy.
[Bomben, M.; Bosisio, L.; Cartaro, C.; Cossutti, F.; Della Ricca, G.; Lanceri, L.; Vitale, L.] Ist Nazl Fis Nucl, I-34127 Trieste, Italy.
[Azzolini, V.; Lopez-March, N.; Martinez-Vidal, F.; Milanes, D. A.; Oyanguren, A.] Univ Valencia, CSIC, IFIC, E-46071 Valencia, Spain.
[Albert, J.; Banerjee, Sw.; Bhuyan, B.; Hamano, K.; Kowalewski, R.; Nugent, I. M.; Roney, J. M.; Sobie, R. J.] Univ Victoria, Victoria, BC V8W 3P6, Canada.
[Harrison, P. F.; Ilic, J.; Latham, T. E.; Mohanty, G. B.] Univ Warwick, Dept Phys, Coventry CV4 7AL, W Midlands, England.
[Mohanty, G. B.; Band, H. R.; Chen, X.; Dasu, S.; Flood, K. T.; Hollar, J. J.; Kutter, P. E.; Pan, Y.; Pierini, M.; Prepost, R.; Wu, S. L.] Univ Wisconsin, Madison, WI 53706 USA.
[Neal, H.] Yale Univ, New Haven, CT 06511 USA.
RP Aubert, B (reprint author), IN2P3, CNRS, Phys Particules Lab, F-74941 Annecy Le Vieux, France.
RI Rizzo, Giuliana/A-8516-2015; Calcaterra, Alessandro/P-5260-2015; Frey,
Raymond/E-2830-2016; dong, liaoyuan/A-5093-2015; Luppi,
Eleonora/A-4902-2015; van Bakel, Niels/B-6233-2015; Calabrese,
Roberto/G-4405-2015; Mir, Lluisa-Maria/G-7212-2015; Martinez Vidal,
F*/L-7563-2014; 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; Di Lodovico,
Francesca/L-9109-2016; Pappagallo, Marco/R-3305-2016; Monge, Maria
Roberta/G-9127-2012; Oyanguren, Arantza/K-6454-2014; Lista,
Luca/C-5719-2008; Bellini, Fabio/D-1055-2009; Neri, Nicola/G-3991-2012;
Forti, Francesco/H-3035-2011; Rotondo, Marcello/I-6043-2012; Patrignani,
Claudia/C-5223-2009; de Sangro, Riccardo/J-2901-2012; Saeed, Mohammad
Alam/J-7455-2012; Della Ricca, Giuseppe/B-6826-2013; Negrini,
Matteo/C-8906-2014
OI Covarelli, Roberto/0000-0003-1216-5235; Rizzo,
Giuliana/0000-0003-1788-2866; Paoloni, Eugenio/0000-0001-5969-8712;
Faccini, Riccardo/0000-0003-2613-5141; Raven,
Gerhard/0000-0002-2897-5323; Calcaterra, Alessandro/0000-0003-2670-4826;
Frey, Raymond/0000-0003-0341-2636; Bettarini,
Stefano/0000-0001-7742-2998; Cibinetto, Gianluigi/0000-0002-3491-6231;
dong, liaoyuan/0000-0002-4773-5050; Pacetti, Simone/0000-0002-6385-3508;
Luppi, Eleonora/0000-0002-1072-5633; van Bakel,
Niels/0000-0002-4053-7588; Calabrese, Roberto/0000-0002-1354-5400; Mir,
Lluisa-Maria/0000-0002-4276-715X; Martinez Vidal,
F*/0000-0001-6841-6035; 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; Di Lodovico, Francesca/0000-0003-3952-2175;
Pappagallo, Marco/0000-0001-7601-5602; Monge, Maria
Roberta/0000-0003-1633-3195; Oyanguren, Arantza/0000-0002-8240-7300;
Bellini, Fabio/0000-0002-2936-660X; Neri, Nicola/0000-0002-6106-3756;
Forti, Francesco/0000-0001-6535-7965; Rotondo,
Marcello/0000-0001-5704-6163; Patrignani, Claudia/0000-0002-5882-1747;
de Sangro, Riccardo/0000-0002-3808-5455; Saeed, Mohammad
Alam/0000-0002-3529-9255; Della Ricca, Giuseppe/0000-0003-2831-6982;
Negrini, Matteo/0000-0003-0101-6963
NR 23
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 1550-7998
J9 PHYS REV D
JI Phys. Rev. D
PD JAN
PY 2008
VL 77
IS 1
AR 012003
DI 10.1103/PhysRevD.77.012003
PG 9
WC Astronomy & Astrophysics; Physics, Particles & Fields
SC Astronomy & Astrophysics; Physics
GA 258JH
UT WOS:000252863700013
ER
PT J
AU Aubert, B
Bona, M
Boutigny, D
Karyotakis, Y
Lees, JP
Poireau, V
Prudent, X
Tisserand, V
Zghiche, A
Tico, JG
Grauges, E
Lopez, L
Palano, A
Pappagallo, M
Eigen, G
Stugu, B
Sun, L
Abrams, GS
Battaglia, M
Brown, DN
Button-Shafer, J
Cahn, RN
Groysman, Y
Jacobsen, RG
Kadyk, JA
Kerth, LT
Kolomensky, YG
Kukartsev, G
Pegna, DL
Lynch, G
Mir, LM
Orimoto, TJ
Osipenkov, IL
Ronan, MT
Tackmann, K
Tanabe, T
Wenzel, WA
Sanchez, PDA
Hawkes, CM
Watson, AT
Held, T
Koch, H
Pelizaeus, M
Schroeder, T
Steinke, M
Walker, D
Asgeirsson, DJ
Cuhadar-Donszelmann, T
Fulsom, BG
Hearty, C
Mattison, TS
McKenna, JA
Barrett, M
Khan, A
Saleem, M
Teodorescu, L
Blinov, VE
Bukin, AD
Druzhinin, VP
Golubev, VB
Onuchin, AP
Serednyakov, SI
Skovpen, YI
Solodov, EP
Todyshev, KY
Bondioli, M
Curry, S
Eschrich, I
Kirkby, D
Lankford, AJ
Lund, P
Mandelkern, M
Martin, EC
Stoker, DP
Abachi, S
Buchanan, C
Foulkes, SD
Gary, JW
Liu, F
Long, O
Shen, BC
Zhang, L
Paar, HP
Rahatlou, S
Sharma, V
Berryhill, JW
Campagnari, C
Cunha, A
Dahmes, B
Hong, TM
Kovalskyi, D
Richman, JD
Beck, TW
Eisner, AM
Flacco, CJ
Heusch, CA
Kroseberg, J
Lockman, WS
Schalk, T
Schumm, BA
Seiden, A
Wilson, MG
Winstrom, LO
Chen, E
Cheng, CH
Fang, F
Hitlin, DG
Narsky, I
Piatenko, T
Porter, FC
Andreassen, R
Mancinelli, G
Meadows, BT
Mishra, K
Sokoloff, MD
Blanc, F
Bloom, PC
Chen, S
Ford, WT
Chavez, CA
Wagner, SR
Zhang, J
Gabareen, AM
Soffer, A
Toki, WH
Wilson, RJ
Winklmeier, F
Altenburg, DD
Feltresi, E
Hauke, A
Jasper, H
Merkel, J
Petzold, A
Spaan, B
Wacker, K
Klose, V
Kobel, MJ
Lacker, HM
Mader, WF
Nogowski, R
Schubert, J
Schubert, KR
Schwierz, R
Sundermann, JE
Volk, A
Bernard, D
Bonneaud, GR
Latour, E
Lombardo, V
Thiebaux, C
Verderi, M
Clark, PJ
Gradl, W
Muheim, F
Playfer, S
Robertson, AI
Watson, JE
Xie, Y
Andreotti, M
Bettoni, D
Bozzi, C
Calabrese, R
Cecchi, A
Cibinetto, G
Franchini, P
Luppi, E
Negrini, M
Petrella, A
Piemontese, L
Prencipe, E
Santoro, V
Anulli, F
Baldini-Ferroli, R
Calcaterra, A
De Sangro, R
Finocchiaro, G
Pacetti, S
Patteri, P
Peruzzi, IM
Piccolo, M
Rama, M
Zallo, A
Buzzo, A
Contri, R
Lo Vetere, M
Macri, MM
Monge, MR
Passaggio, S
Patrignani, C
Robutti, E
Santroni, A
Tosi, S
Chaisanguanthum, KS
Morii, M
Wu, J
Dubitzky, RS
Marks, J
Schenk, S
Uwer, U
Bard, DJ
Dauncey, PD
Flack, RL
Nash, JA
Vazquez, WP
Tibbetts, M
Behera, PK
Chai, X
Charles, MJ
Mallik, U
Ziegler, V
Cochran, J
Crawley, HB
Dong, L
Eyges, V
Meyer, WT
Prell, S
Rosenberg, EI
Rubin, AE
Gao, YY
Gritsan, AV
Guo, ZJ
Lae, CK
Denig, AG
Fritsch, M
Schott, G
Arnaud, N
Bequilleux, J
D'Orazio, A
Davier, M
Grosdidier, G
Hocker, A
Lepeltier, V
Le Diberder, F
Lutz, AM
Pruvot, S
Rodier, S
Roudeau, P
Schune, MH
Serrano, J
Sordini, V
Stocchi, A
Wang, WF
Wormser, G
Lange, DJ
Wright, DM
Bingham, I
Burke, JP
Chavez, CA
Forster, IJ
Fry, JR
Gabathuler, E
Gamet, R
Hutchcroft, DE
Payne, DJ
Schofield, KC
Touramanis, C
Bevan, AJ
George, KA
Di Lodovico, F
Menges, W
Sacco, R
Cowan, G
Flaecher, HU
D, AHSPFSAC
Barlow, NR
Barlow, RJ
Chia, YM
Edgar, CL
Lafferty, GD
West, TJ
Yi, JI
Anderson, J
Chen, C
Jawahery, A
Roberts, DA
Simi, G
Tuggle, JM
Blaylock, G
Dallapiccola, C
Hertzbach, SS
Li, X
Moore, TB
Salvati, E
Saremi, S
Cowan, R
Dujmic, D
Fisher, PH
Koeneke, K
Sciolla, G
Sekula, SJ
Spitznagel, M
Taylor, F
Yamamoto, RK
Zhao, M
Zheng, Y
Mclachlin, SE
Patel, PM
Robertson, SH
Lazzaro, A
Palombo, F
Bauer, JM
Cremaldi, L
Eschenburg, V
Godang, R
Kroeger, R
Sanders, DA
Summers, DJ
Zhao, HW
Brunet, S
Cote, D
Simard, M
Taras, P
Viaud, FB
Nicholson, H
De Nardo, G
Fabozzi, F
Lista, L
Monorchio, D
Sciacca, C
Baak, MA
Raven, G
Snoek, HL
Jessop, CP
Knoepfel, KJ
LoSecco, JM
Benelli, G
Corwin, LA
Honscheid, K
Kagan, H
Kass, R
Morris, JP
Rahimi, AM
Regensburger, JJ
Wong, QK
Blount, NL
Brau, J
Frey, R
Igonkina, O
Kolb, JA
Lu, M
Rahmat, R
Sinev, NB
Strom, D
Strube, J
Torrence, E
Gagliardi, N
Gaz, A
Margoni, M
Morandin, M
Pompili, A
Posocco, M
Rotondo, M
Simonetto, F
Stroili, R
Voci, C
Ben-Haim, E
Briand, H
Calderini, G
Chauveau, J
David, P
Del Buono, L
de La Vaissiere, C
Hamon, O
Leruste, P
Malcles, J
Ocariz, J
Perez, A
Prendki, J
Gladney, L
Biasini, M
Covarelli, R
Manoni, E
Angelini, C
Batignani, G
Bettarini, S
Carpinelli, M
Cenci, R
Cervelli, A
Forti, F
Giorgi, MA
Lusiani, A
Marchiori, G
Mazur, MA
Morganti, M
Neri, N
Paoloni, E
Rizzo, G
Walsh, JJ
Haire, M
Biesiada, J
Elmer, P
Lau, YP
Lu, C
Olsen, J
Smith, AJS
Telnov, AV
Baracchini, E
Bellini, F
Cavoto, G
Del Re, D
Di Marco, E
Faccini, R
Ferrarotto, F
Ferroni, F
Gaspero, M
Jackson, PD
Gioi, LL
Mazzoni, MA
Morganti, S
Piredda, G
Polci, F
Renga, F
Voena, C
Ebert, M
Hartmann, T
Schroder, H
Waldi, R
Adye, T
Castelli, G
Franek, B
Olaiya, EO
Ricciardi, S
Roethel, W
Wilson, FF
Emery, S
Escalier, M
Gaidot, A
Ganzhur, SF
De Monchenault, GH
Kozanecki, W
Vasseur, G
Yeche, C
Zito, M
Chen, XR
Liu, H
Park, W
Purohit, MV
Wilson, JR
Allen, MT
Aston, D
Bartoldus, R
Bechtle, P
Berger, N
Claus, R
Coleman, JP
Convery, MR
Dingfelder, JC
Dorfan, J
Dubois-Felsmann, GP
Dunwoodie, W
Field, RC
Glanzman, T
Gowdy, SJ
Graham, MT
Grenier, P
Hast, C
Hryn'ova, T
Innes, WR
Kaminski, J
Kelsey, MH
Kim, H
Kim, P
Kocian, ML
Leith, DWGS
Li, S
Luitz, S
Luth, V
Lynch, HL
MacFarlane, DB
Marsiske, H
Messner, R
Muller, DR
O'Grady, CP
Ofte, I
Perazzo, A
Perl, M
Pulliam, T
Ratcliff, BN
Roodman, A
Salnikov, AA
Schindler, RH
Schwiening, J
Snyder, A
Stelzer, J
Su, D
Sullivan, MK
Suzuki, K
Swain, SK
Thompson, JM
Va'vra, J
Van Bakel, N
Wagner, AP
Weaver, M
Wisniewski, WJ
Wittgen, M
Wright, DH
Yarritu, AK
Yi, K
Young, CC
Burchat, PR
Edwards, AJ
Majewski, SA
Petersen, BA
Wilden, L
Ahmed, S
Alam, MS
Bula, R
Ernst, JA
Jain, V
Pan, B
Saeed, MA
Wappler, FR
Zain, SB
Krishnamurthy, M
Spanier, SM
Eckmann, R
Ritchie, JL
Ruland, AM
Schilling, CJ
Schwitters, RF
Izen, JM
Lou, XC
Ye, S
Bianchi, F
Gallo, F
Gamba, D
Pelliccioni, M
Bomben, M
Bosisio, L
Cartaro, C
Cossutti, F
Della Ricca, G
Lanceri, L
Vitale, L
Azzolini, V
Lopez-March, N
Martinez-Vidal, F
Milanes, DA
Oyanguren, A
Albert, J
Banerjee, S
Bhuyan, B
Hamano, K
Kowalewski, R
Nugent, IM
Roney, JM
Sobie, RJ
Harrison, PF
Ilic, J
Latham, TE
Mohanty, GB
Band, HR
Chen, X
Dasu, S
Flood, KT
Hollar, JJ
Kutter, PE
Pan, Y
Pierini, M
Prepost, R
Wu, SL
Neal, H
AF Aubert, B.
Bona, M.
Boutigny, D.
Karyotakis, Y.
Lees, J. P.
Poireau, V.
Prudent, X.
Tisserand, V.
Zghiche, A.
Tico, J. Garra
Grauges, E.
Lopez, L.
Palano, A.
Pappagallo, M.
Eigen, G.
Stugu, B.
Sun, L.
Abrams, G. S.
Battaglia, M.
Brown, D. N.
Button-Shafer, J.
Cahn, R. N.
Groysman, Y.
Jacobsen, R. G.
Kadyk, J. A.
Kerth, L. T.
Kolomensky, Yu. G.
Kukartsev, G.
Pegna, D. Lopes
Lynch, G.
Mir, L. M.
Orimoto, T. J.
Osipenkov, I. L.
Ronan, M. T.
Tackmann, K.
Tanabe, T.
Wenzel, W. A.
Sanchez, P. Del Amo
Hawkes, C. M.
Watson, A. T.
Held, T.
Koch, H.
Pelizaeus, M.
Schroeder, T.
Steinke, M.
Walker, D.
Asgeirsson, D. J.
Cuhadar-Donszelmann, T.
Fulsom, B. G.
Hearty, C.
Mattison, T. S.
McKenna, J. A.
Barrett, M.
Khan, A.
Saleem, M.
Teodorescu, L.
Blinov, V. E.
Bukin, A. D.
Druzhinin, V. P.
Golubev, V. B.
Onuchin, A. P.
Serednyakov, S. I.
Skovpen, Yu. I.
Solodov, E. P.
Todyshev, K. Yu.
Bondioli, M.
Curry, S.
Eschrich, I.
Kirkby, D.
Lankford, A. J.
Lund, P.
Mandelkern, M.
Martin, E. C.
Stoker, D. P.
Abachi, S.
Buchanan, C.
Foulkes, S. D.
Gary, J. W.
Liu, F.
Long, O.
Shen, B. C.
Zhang, L.
Paar, H. P.
Rahatlou, S.
Sharma, V.
Berryhill, J. W.
Campagnari, C.
Cunha, A.
Dahmes, B.
Hong, T. M.
Kovalskyi, D.
Richman, J. D.
Beck, T. W.
Eisner, A. M.
Flacco, C. J.
Heusch, C. A.
Kroseberg, J.
Lockman, W. S.
Schalk, T.
Schumm, B. A.
Seiden, A.
Wilson, M. G.
Winstrom, L. O.
Chen, E.
Cheng, C. H.
Fang, F.
Hitlin, D. G.
Narsky, I.
Piatenko, T.
Porter, F. C.
Andreassen, R.
Mancinelli, G.
Meadows, B. T.
Mishra, K.
Sokoloff, M. D.
Blanc, F.
Bloom, P. C.
Chen, S.
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Chavez, C. A.
Wagner, S. R.
Zhang, J.
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Soffer, A.
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Wilson, R. J.
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Godang, R.
Kroeger, R.
Sanders, D. A.
Summers, D. J.
Zhao, H. W.
Brunet, S.
Cote, D.
Simard, M.
Taras, P.
Viaud, F. B.
Nicholson, H.
De Nardo, G.
Fabozzi, F.
Lista, L.
Monorchio, D.
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Jessop, C. P.
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LoSecco, J. M.
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Kagan, H.
Kass, R.
Morris, J. P.
Rahimi, A. M.
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Wong, Q. K.
Blount, N. L.
Brau, J.
Frey, R.
Igonkina, O.
Kolb, J. A.
Lu, M.
Rahmat, R.
Sinev, N. B.
Strom, D.
Strube, J.
Torrence, E.
Gagliardi, N.
Gaz, A.
Margoni, M.
Morandin, M.
Pompili, A.
Posocco, M.
Rotondo, M.
Simonetto, F.
Stroili, R.
Voci, C.
Ben-Haim, E.
Briand, H.
Calderini, G.
Chauveau, J.
David, P.
Del Buono, L.
De la Vaissiere, Ch.
Hamon, O.
Leruste, Ph.
Malcles, J.
Ocariz, J.
Perez, A.
Prendki, J.
Gladney, L.
Biasini, M.
Covarelli, R.
Manoni, E.
Angelini, C.
Batignani, G.
Bettarini, S.
Carpinelli, M.
Cenci, R.
Cervelli, A.
Forti, F.
Giorgi, M. A.
Lusiani, A.
Marchiori, G.
Mazur, M. A.
Morganti, M.
Neri, N.
Paoloni, E.
Rizzo, G.
Walsh, J. J.
Haire, M.
Biesiada, J.
Elmer, P.
Lau, Y. P.
Lu, C.
Olsen, J.
Smith, A. J. S.
Telnov, A. V.
Baracchini, E.
Bellini, F.
Cavoto, G.
Del Re, D.
Di Marco, E.
Faccini, R.
Ferrarotto, F.
Ferroni, F.
Gaspero, M.
Jackson, P. D.
Gioi, L. Li
Mazzoni, M. A.
Morganti, S.
Piredda, G.
Polci, F.
Renga, F.
Voena, C.
Ebert, M.
Hartmann, T.
Schroder, H.
Waldi, R.
Adye, T.
Castelli, G.
Franek, B.
Olaiya, E. O.
Ricciardi, S.
Roethel, W.
Wilson, F. F.
Emery, S.
Escalier, M.
Gaidot, A.
Ganzhur, S. F.
De Monchenault, G. Hamel
Kozanecki, W.
Vasseur, G.
Yeche, Ch.
Zito, M.
Chen, X. R.
Liu, H.
Park, W.
Purohit, M. V.
Wilson, J. R.
Allen, M. T.
Aston, D.
Bartoldus, R.
Bechtle, P.
Berger, N.
Claus, R.
Coleman, J. P.
Convery, M. R.
Dingfelder, J. C.
Dorfan, J.
Dubois-Felsmann, G. P.
Dunwoodie, W.
Field, R. C.
Glanzman, T.
Gowdy, S. J.
Graham, M. T.
Grenier, P.
Hast, C.
Hryn'ova, T.
Innes, W. R.
Kaminski, J.
Kelsey, M. H.
Kim, H.
Kim, P.
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Luth, V.
Lynch, H. L.
MacFarlane, D. B.
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O'Grady, C. P.
Ofte, I.
Perazzo, A.
Perl, M.
Pulliam, T.
Ratcliff, B. N.
Roodman, A.
Salnikov, A. A.
Schindler, R. H.
Schwiening, J.
Snyder, A.
Stelzer, J.
Su, D.
Sullivan, M. K.
Suzuki, K.
Swain, S. K.
Thompson, J. M.
Va'vra, J.
Van Bakel, N.
Wagner, A. P.
Weaver, M.
Wisniewski, W. J.
Wittgen, M.
Wright, D. H.
Yarritu, A. K.
Yi, K.
Young, C. C.
Burchat, P. R.
Edwards, A. J.
Majewski, S. A.
Petersen, B. A.
Wilden, L.
Ahmed, S.
Alam, M. S.
Bula, R.
Ernst, J. A.
Jain, V.
Pan, B.
Saeed, M. A.
Wappler, F. R.
Zain, S. B.
Krishnamurthy, M.
Spanier, S. M.
Eckmann, R.
Ritchie, J. L.
Ruland, A. M.
Schilling, C. J.
Schwitters, R. F.
Izen, J. M.
Lou, X. C.
Ye, S.
Bianchi, F.
Gallo, F.
Gamba, D.
Pelliccioni, M.
Bomben, M.
Bosisio, L.
Cartaro, C.
Cossutti, F.
Della Ricca, G.
Lanceri, L.
Vitale, L.
Azzolini, V.
Lopez-March, N.
Martinez-Vidal, F.
Milanes, D. A.
Oyanguren, A.
Albert, J.
Banerjee, Sw.
Bhuyan, B.
Hamano, K.
Kowalewski, R.
Nugent, I. M.
Roney, J. M.
Sobie, R. J.
Harrison, P. F.
Ilic, J.
Latham, T. E.
Mohanty, G. B.
Band, H. R.
Chen, X.
Dasu, S.
Flood, K. T.
Hollar, J. J.
Kutter, P. E.
Pan, Y.
Pierini, M.
Prepost, R.
Wu, S. L.
Neal, H.
TI Study of excited charm-strange baryons with evidence for new baryons
Xi(c)(3055)(+) and Xi(c)(3123)(+)
SO PHYSICAL REVIEW D
LA English
DT Article
ID SPECTROSCOPY; PHYSICS
AB We present a study of excited charm-strange baryon states produced in e(+)e(-) annihilations at or near a center-of-mass energy of 10.58 GeV, in a data sample with an integrated luminosity of 384 fb(-1) recorded with the BABAR detector at the PEP-II e(+)e(-) storage rings at the Stanford Linear Accelerator Center. We study strong decays of charm-strange baryons to Lambda K-+(c)S(0), Lambda K-+(c)-, Lambda K-+(c)-pi(+), Lambda K-+(c)S(0)pi(-), Lambda K-+(c)S(0)pi(-)pi(+), and Lambda K-+(c)-pi(+)pi(-). This study confirms the existence of the states Xi(c)(2980)(+), Xi(c)(3077)(+), and Xi(c)(3077)(0), with a more accurate determination of the Xi(c)(2980)(+) mass and width. We also present evidence for two new states, Xi(c)(3055)(+) and Xi(c)(3123)(+), decaying through the intermediate-resonant modes Sigma(c)(2455)K-++(-) and Sigma(c)(2520)K-++(-), respectively. For each of these baryons, we measure the yield in each final state, determine the statistical significance, and calculate the product of the production cross section and branching fractions. We also measure the masses and widths of these excited charm-strange baryons.
C1 [Aubert, B.; Bona, M.; Boutigny, D.; Karyotakis, Y.; Lees, J. P.; Poireau, V.; Prudent, X.; Tisserand, V.; Zghiche, A.] CNRS, IN2P3, Phys Particules Lab, F-74941 Annecy Le Vieux, France.
[Aubert, B.; Bona, M.; Boutigny, D.; Karyotakis, Y.; Lees, J. P.; Poireau, V.; Prudent, X.; Tisserand, V.; Zghiche, A.] Univ Savoie, F-74941 Annecy Le Vieux, France.
[Tico, J. Garra; Grauges, E.] Univ Barcelona, Fac Fis, Dept ECM, E-08028 Barcelona, Spain.
[Lopez, L.; Palano, A.; Pappagallo, M.] Univ Bari, Dipartimento Fis, I-70126 Bari, Italy.
[Lopez, L.; Palano, A.; Pappagallo, M.] Ist Nazl Fis Nucl, I-70126 Bari, Italy.
[Eigen, G.; Stugu, B.; Sun, L.] Univ Bergen, Inst Phys, N-5007 Bergen, Norway.
[Abrams, G. S.; Battaglia, M.; Brown, D. N.; Button-Shafer, J.; Cahn, R. N.; Groysman, Y.; Jacobsen, R. G.; Kadyk, J. A.; Kerth, L. T.; Kolomensky, Yu. G.; Kukartsev, G.; Pegna, D. Lopes; Lynch, G.; Mir, L. M.; Orimoto, T. J.; Osipenkov, I. L.; Ronan, M. T.; Tackmann, K.; Tanabe, T.; Wenzel, W. A.] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
[Sanchez, P. Del Amo; Hawkes, C. M.; Watson, A. T.] Univ Birmingham, Birmingham B15 2TT, W Midlands, England.
[Held, T.; Koch, H.; Pelizaeus, M.; Schroder, H.] Ruhr Univ Bochum, Inst Expt Phys 1, D-44780 Bochum, Germany.
[Walker, D.] Univ Bristol, Bristol BS8 1TL, Avon, England.
[Asgeirsson, D. J.; Cuhadar-Donszelmann, T.; Fulsom, B. G.; Hearty, C.; Mattison, T. S.; McKenna, J. A.] Univ British Columbia, Vancouver, BC V6T 1Z1, Canada.
[Barrett, M.; Khan, A.; Saleem, M.; Teodorescu, L.] Brunel Univ, Uxbridge UB8 3PH, Middx, England.
[Blinov, V. E.; Bukin, A. D.; Druzhinin, V. P.; Golubev, V. B.; Onuchin, A. P.; Serednyakov, S. I.; Skovpen, Yu. I.; Solodov, E. P.; Todyshev, K. Yu.] Budker Inst Nucl Phys, Novosibirsk 630090, Russia.
[Bondioli, M.; Curry, S.; Eschrich, I.; Kirkby, D.; Lankford, A. J.; Lund, P.; Mandelkern, M.; Martin, E. C.; Stoker, D. P.] Univ Calif Irvine, Irvine, CA 92697 USA.
[Abachi, S.; Buchanan, C.] Univ Calif Los Angeles, Los Angeles, CA 90024 USA.
[Foulkes, S. D.; Gary, J. W.; Liu, F.; Long, O.; Shen, B. C.; Zhang, L.] Univ Calif Riverside, Riverside, CA 92521 USA.
[Paar, H. P.; Rahatlou, S.; Sharma, V.] Univ Calif San Diego, La Jolla, CA 92093 USA.
[Berryhill, J. W.; Campagnari, C.; Cunha, A.; Dahmes, B.; Hong, T. M.; Kovalskyi, D.; Richman, J. D.; Beck, T. W.; Eisner, A. M.] Univ Calif Santa Barbara, Santa Barbara, CA 93106 USA.
[Beck, T. W.; Eisner, A. M.; Flacco, C. J.; Heusch, C. A.; Kroseberg, J.; Lockman, W. S.; Schalk, T.; Schumm, B. A.; Seiden, A.; Wilson, M. G.; Winstrom, L. O.] Univ Calif Santa Cruz, Inst Particle Phys, Santa Cruz, CA 95064 USA.
[Cheng, C. H.; Fang, F.; Hitlin, D. G.; Narsky, I.; Piatenko, T.; Porter, F. C.] CALTECH, Pasadena, CA 91125 USA.
[Andreassen, R.; Mancinelli, G.; Meadows, B. T.; Mishra, K.; Sokoloff, M. D.] Univ Cincinnati, Cincinnati, OH 45221 USA.
[Blanc, F.; Bloom, P. C.; Chen, S.; Ford, W. T.] Univ Colorado, Boulder, CO 80309 USA.
[Gabareen, A. M.; Soffer, A.; Toki, W. H.; Wilson, R. J.; Winklmeier, F.] Colorado State Univ, Ft Collins, CO 80523 USA.
[Altenburg, D. D.; Feltresi, E.; Hauke, A.; Jasper, H.; Merkel, J.; Petzold, A.; Spaan, B.; Wacker, K.] Univ Dortmund, Inst Phys, D-44221 Dortmund, Germany.
[Klose, V.; Kobel, M. J.; Lacker, H. M.; Mader, W. F.; Nogowski, R.; Schubert, J.; Schubert, K. R.; Schwierz, R.; Sundermann, J. E.; Volk, A.] Tech Univ Dresden, Inst Kern Teilchenphys, D-01062 Dresden, Germany.
[Bernard, D.; Bonneaud, G. R.; Latour, E.; Lombardo, V.; Thiebaux, Ch.; Verderi, M.] Ecole Polytech, CNRS, IN2P3, Lab Leprince Ringuet, F-91128 Palaiseau, France.
[Watson, A. T.; Clark, P. J.; Gradl, W.; Muheim, F.; Playfer, S.; Robertson, A. I.; Xie, Y.] Univ Edinburgh, Edinburgh EH9 3JZ, Midlothian, Scotland.
[Andreotti, M.; Bettoni, D.; Bozzi, C.; Calabrese, R.; Cecchi, A.; Cibinetto, G.; Franchini, P.; Luppi, E.; Negrini, M.; Petrella, A.; Piemontese, L.; Prencipe, E.; Santoro, V.] Univ Ferrara, Dipartmento Fis, I-44100 Ferrara, Italy.
[Andreotti, M.; Bettoni, D.; Bozzi, C.; Calabrese, R.; Cecchi, A.; Cibinetto, G.; Franchini, P.; Luppi, E.; Negrini, M.; Petrella, A.; Piemontese, L.; Prencipe, E.; Santoro, V.] Ist Nazl Fis Nucl, I-44100 Ferrara, Italy.
[Buzzo, A.; Contri, R.; Lo Vetere, M.; Macri, M. M.; Monge, M. R.; Passaggio, S.; Patrignani, C.; Robutti, E.; Santroni, A.; Tosi, S.] Ist Nazl Fis Nucl, Lab Nazl Frascati, I-00044 Frascati, Italy.
[Chaisanguanthum, K. S.; Morii, M.; Wu, J.] Harvard Univ, Cambridge, MA 02138 USA.
[Dubitzky, R. S.; Marks, J.; Schenk, S.; Uwer, U.] Heidelberg Univ, Inst Phys, D-69120 Heidelberg, Germany.
[Bard, D. J.; Dauncey, P. D.; Flack, R. L.; Nash, J. A.; Vazquez, W. Panduro; Tibbetts, M.] Univ London Imperial Coll Sci Technol & Med, London SW7 2AZ, England.
[Behera, P. K.; Chai, X.; Charles, M. J.; Mallik, U.; Ziegler, V.] Univ Iowa, Iowa City, IA 52242 USA.
[Cochran, J.; Crawley, H. B.; Dong, L.; Eyges, V.; Meyer, W. T.; Prell, S.; Rosenberg, E. I.; Rubin, A. E.] Iowa State Univ, Ames, IA 50011 USA.
[Gao, Y. Y.; Gritsan, A. V.; Guo, Z. J.; Lae, C. K.] Johns Hopkins Univ, Baltimore, MD 21218 USA.
[Denig, A. G.; Fritsch, M.; Schott, G.] Univ Karlsruhe, Inst Expt Kernphys, D-76021 Karlsruhe, Germany.
[Arnaud, N.; Bequilleux, J.; D'Orazio, A.; Davier, M.; Grosdidier, G.; Hoecker, A.; Lepeltier, V.; Le Diberder, F.; Lutz, A. M.; Pruvot, S.; Rodier, S.; Roudeau, P.; Schune, M. H.; Serrano, J.; Sordini, V.; Stocchi, A.; Wang, W. F.; Wormser, G.] IN2P3, CNRS, Accelerateur Lineaire Lab, F-91898 Orsay, France.
[Arnaud, N.; Bequilleux, J.; D'Orazio, A.; Davier, M.; Grosdidier, G.; Hoecker, A.; Lepeltier, V.; Le Diberder, F.; Lutz, A. M.; Pruvot, S.; Rodier, S.; Roudeau, P.; Schune, M. H.; Serrano, J.; Sordini, V.; Stocchi, A.; Wang, W. F.; Wormser, G.] Univ Paris 11, Ctr Sci Orsay, F-91898 Orsay, France.
[Lange, D. J.; Wright, D. M.] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
[Bingham, I.; Burke, J. P.; Chavez, C. A.; Forster, I. J.; Fry, J. R.; Gabathuler, E.; Gamet, R.; Hutchcroft, D. E.; Payne, D. J.; Schofield, K. C.; Touramanis, C.] Univ Liverpool, Liverpool L69 7ZE, Merseyside, England.
[Bevan, A. J.; George, K. A.; Di Lodovico, F.; Menges, W.; Sacco, R.] Queen Mary Univ London, London E1 4NS, England.
Univ London, Royal Holloway & Bedford New Coll, Egham TW20 0EX, Surrey, England.
[Brown, D. N.] Univ Louisville, Louisville, KY 40292 USA.
[Barlow, N. R.; Barlow, R. J.; Chia, Y. M.; Edgar, C. L.; Lafferty, G. D.; West, T. J.; Yi, J. I.] Univ Manchester, Manchester M13 9PL, Lancs, England.
[Anderson, J.; Chen, C.; Jawahery, A.; Roberts, D. A.; Simi, G.; Tuggle, J. M.] Univ Maryland, College Pk, MD 20742 USA.
[Blaylock, G.; Dallapiccola, C.; Hertzbach, S. S.; Li, X.; Moore, T. B.; Salvati, E.; Saremi, S.] Univ Massachusetts, Amherst, MA 01003 USA.
[Cowan, R.; Dujmic, D.; Fisher, P. H.; Koeneke, K.; Sciolla, G.; Sekula, S. J.; Spitznagel, M.; Taylor, F.; Yamamoto, R. K.; Zhao, M.; Zheng, Y.; Zhao, H. W.] MIT, Nucl Sci Lab, Cambridge, MA 02139 USA.
[Mclachlin, S. E.; Patel, P. M.; Robertson, S. H.] McGill Univ, Montreal, PQ H3A 2T8, Canada.
[Lazzaro, A.; Palombo, F.] Univ Milan, Dipartimento Fis, I-20133 Milan, Italy.
[Lazzaro, A.; Palombo, F.] Ist Nazl Fis Nucl, I-20133 Milan, Italy.
[Bauer, J. M.; Cremaldi, L.; Eschenburg, V.; Godang, R.; Kroeger, R.; Sanders, D. A.; Summers, D. J.; Zhao, H. W.] Univ Mississippi, University, MS 38677 USA.
[Brunet, S.; Cote, D.; Simard, M.; Taras, P.; Viaud, F. B.] Univ Montreal, Montreal, PQ H3C 3J7, Canada.
[Nicholson, H.] Mt Holyoke Coll, S Hadley, MA 01075 USA.
[De Nardo, G.; Fabozzi, F.; Lista, L.; Monorchio, D.; Sciacca, C.] Univ Naples Federico II, Dipartimento Sci Fisiche, I-80126 Naples, Italy.
[De Nardo, G.; Fabozzi, F.; Lista, L.; Monorchio, D.; Sciacca, C.] Ist Nazl Fis Nucl, I-80126 Naples, Italy.
[Baak, M. A.; Raven, G.; Snoek, H. L.] NIKHEF H, Natl Inst Nucl & High Energy Phys, NL-1009 DB Amsterdam, Netherlands.
[Jessop, C. P.; Knoepfel, K. J.; LoSecco, J. M.] Univ Notre Dame, Notre Dame, IN 46556 USA.
[Benelli, G.; Corwin, L. A.; Honscheid, K.; Kagan, H.; Kass, R.; Morris, J. P.; Rahimi, A. M.; Regensburger, J. J.; Wong, Q. K.] Ohio State Univ, Columbus, OH 43210 USA.
[Blount, N. L.; Brau, J.; Frey, R.; Igonkina, O.; Kolb, J. A.; Lu, M.; Rahmat, R.; Sinev, N. B.; Strom, D.; Strube, J.; Torrence, E.] Univ Oregon, Eugene, OR 97403 USA.
[Gagliardi, N.; Gaz, A.; Margoni, M.; Morandin, M.; Pompili, A.; Posocco, M.; Rotondo, M.; Simonetto, F.; Stroili, R.; Voci, C.] Univ Padua, Dipartimento Fis, I-35131 Padua, Italy.
[Gagliardi, N.; Gaz, A.; Margoni, M.; Morandin, M.; Pompili, A.; Posocco, M.; Rotondo, M.; Simonetto, F.; Stroili, R.; Voci, C.] Ist Nazl Fis Nucl, I-35131 Padua, Italy.
[Ben-Haim, E.; Briand, H.; Calderini, G.; Chauveau, J.; David, P.; Del Buono, L.; De la Vaissiere, Ch.; Hamon, O.; Leruste, Ph.; Malcles, J.; Ocariz, J.; Perez, A.; Prendki, J.] Univ Paris 07, Univ Paris 06, IN2P3, CNRS,Lab Phys Nucl & Hautes Energies, F-75252 Paris, France.
[Gladney, L.] Univ Penn, Philadelphia, PA 19104 USA.
[Biasini, M.; Covarelli, R.; Manoni, E.] Univ Perugia, Dipartimento Fis, I-06100 Perugia, Italy.
[Biasini, M.; Covarelli, R.; Manoni, E.] Ist Nazl Fis Nucl, I-06100 Perugia, Italy.
[Angelini, C.; Batignani, G.; Bettarini, S.; Carpinelli, M.; Cenci, R.; Cervelli, A.; Forti, F.; Giorgi, M. A.; Lusiani, A.; Marchiori, G.; Mazur, M. A.; Morganti, M.; Neri, N.; Paoloni, E.; Rizzo, G.; Haire, M.] Univ Pisa, Dipartimento Fis, Scuola Normale Super, I-56127 Pisa, Italy.
[Angelini, C.; Batignani, G.; Bettarini, S.; Carpinelli, M.; Cenci, R.; Cervelli, A.; Forti, F.; Giorgi, M. A.; Lusiani, A.; Marchiori, G.; Mazur, M. A.; Morganti, M.; Neri, N.; Paoloni, E.; Rizzo, G.; Walsh, J. J.; Haire, M.] Ist Nazl Fis Nucl, I-56127 Pisa, Italy.
[Haire, M.] Prairie View A&M Univ, Prairie View, TX 77446 USA.
[Biesiada, J.; Elmer, P.; Lau, Y. P.; Lu, C.; Olsen, J.; Smith, A. J. S.; Telnov, A. V.] Princeton Univ, Princeton, NJ 08544 USA.
[Morganti, M.; Baracchini, E.; Bellini, F.; Cavoto, G.; Del Re, D.; Di Marco, E.; Faccini, R.; Ferrarotto, F.; Ferroni, F.; Gaspero, M.; Jackson, P. D.; Gioi, L. Li; Mazzoni, M. A.; Piredda, G.; Polci, F.; Renga, F.; Voena, C.] Univ Rome, Dipartimento Fis, I-00185 Rome, Italy.
[Baracchini, E.; Bellini, F.; Cavoto, G.; Del Re, D.; Di Marco, E.; Faccini, R.; Ferrarotto, F.; Ferroni, F.; Gaspero, M.; Jackson, P. D.; Gioi, L. Li; Mazzoni, M. A.; Morganti, S.; Piredda, G.; Polci, F.; Renga, F.; Voena, C.] Ist Nazl Fis Nucl, I-00185 Rome, Italy.
[Ebert, M.; Hartmann, T.; Schroder, H.] Univ Rostock, D-18051 Rostock, Germany.
[Adye, T.; Castelli, G.; Franek, B.; Olaiya, E. O.; Ricciardi, S.; Roethel, W.; Wilson, F. F.] Rutherford Appleton Lab, Didcot OX11 0QX, Oxon, England.
[Emery, S.; Escalier, M.; Gaidot, A.; Ganzhur, S. F.; De Monchenault, G. Hamel; Kozanecki, W.; Vasseur, G.; Yeche, Ch.; Zito, M.] CEA Saclay, DSM Dapnia, F-91191 Gif Sur Yvette, France.
[Chen, X. R.; Liu, H.; Park, W.; Purohit, M. V.; Wilson, J. R.] Univ S Carolina, Columbia, SC 29208 USA.
[Allen, M. T.; Aston, D.; Bartoldus, R.; Bechtle, P.; Berger, N.; Claus, R.; Glanzman, T.; Gowdy, S. J.; Graham, M. T.; Grenier, P.; Hast, C.; Hryn'ova, T.; Innes, W. R.; Kaminski, J.; Kelsey, M. H.; Kim, H.; Kim, P.; Kocian, M. L.; Leith, D. W. G. S.; Li, S.; Luitz, S.; Luth, V.; Lynch, H. L.; MacFarlane, D. B.; Marsiske, H.; Messner, R.; Muller, D. R.; O'Grady, C. P.; Ofte, I.; Perazzo, A.; Perl, M.; Pulliam, T.; Ratcliff, B. N.; Roodman, A.; Salnikov, A. A.; Schindler, R. H.; Schwiening, J.; Snyder, A.; Stelzer, J.; Su, D.; Sullivan, M. K.; Suzuki, K.; Swain, S. K.; Thompson, J. M.; Va'vra, J.; Van Bakel, N.; Wagner, A. P.; Weaver, M.; Wisniewski, W. J.; Wittgen, M.; Wright, D. H.; Yarritu, A. K.; Yi, K.; Young, C. C.] Stanford Linear Accelerator Ctr, Stanford, CA 94309 USA.
[Burchat, P. R.; Edwards, A. J.; Majewski, S. A.; Petersen, B. A.; Wilden, L.] Stanford Univ, Stanford, CA 94305 USA.
[Ahmed, S.; Alam, M. S.; Bula, R.; Ernst, J. A.; Jain, V.; Pan, B.; Saeed, M. A.; Wappler, F. R.; Zain, S. B.] SUNY Albany, Albany, NY 12222 USA.
[Krishnamurthy, M.; Spanier, S. M.] Univ Tennessee, Knoxville, TN 37996 USA.
[Izen, J. M.; Lou, X. C.; Ye, S.] Univ Texas Austin, Austin, TX 78712 USA.
[Bianchi, F.; Gallo, F.; Gamba, D.; Pelliccioni, M.] Univ Texas Dallas, Richardson, TX 75083 USA.
[Bomben, M.; Bosisio, L.; Cartaro, C.; Cossutti, F.; Della Ricca, G.; Lanceri, L.; Vitale, L.] Univ Turin, Dipartimento Fis, I-10125 Turin, Italy.
[Bomben, M.; Bosisio, L.; Cartaro, C.; Cossutti, F.; Della Ricca, G.; Lanceri, L.; Vitale, L.] Ist Nazl Fis Nucl, I-10125 Turin, Italy.
[Azzolini, V.; Lopez-March, N.; Martinez-Vidal, F.; Milanes, D. A.] Univ Valencia, CSIC, IFIC, E-46071 Valencia, Spain.
[Albert, J.; Banerjee, Sw.; Bhuyan, B.; Hamano, K.; Kowalewski, R.; Nugent, I. M.; Roney, J. M.; Sobie, R. J.] Univ Victoria, Victoria, BC V8W 3P6, Canada.
[Harrison, P. F.; Ilic, J.; Latham, T. E.; Mohanty, G. B.] Univ Warwick, Dept Phys, Coventry CV4 7AL, W Midlands, England.
[Band, H. R.; Chen, X.; Dasu, S.; Flood, K. T.; Hollar, J. J.; Kutter, P. E.; Pan, Y.; Pierini, M.; Prepost, R.; Wu, S. L.] Univ Wisconsin, Madison, WI 53706 USA.
[Neal, H.] Yale Univ, New Haven, CT 06511 USA.
RP Aubert, B (reprint author), CNRS, IN2P3, Phys Particules Lab, F-74941 Annecy Le Vieux, France.
RI Bellini, Fabio/D-1055-2009; Neri, Nicola/G-3991-2012; Forti,
Francesco/H-3035-2011; Rotondo, Marcello/I-6043-2012; Patrignani,
Claudia/C-5223-2009; de Sangro, Riccardo/J-2901-2012; Saeed, Mohammad
Alam/J-7455-2012; Della Ricca, Giuseppe/B-6826-2013; Negrini,
Matteo/C-8906-2014; Monge, Maria Roberta/G-9127-2012; Oyanguren,
Arantza/K-6454-2014; Lista, Luca/C-5719-2008; Calcaterra,
Alessandro/P-5260-2015; Frey, Raymond/E-2830-2016; Luppi,
Eleonora/A-4902-2015; van Bakel, Niels/B-6233-2015; Calabrese,
Roberto/G-4405-2015; Mir, Lluisa-Maria/G-7212-2015; Martinez Vidal,
F*/L-7563-2014; 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; Di Lodovico,
Francesca/L-9109-2016; Pappagallo, Marco/R-3305-2016
OI Bellini, Fabio/0000-0002-2936-660X; Neri, Nicola/0000-0002-6106-3756;
Forti, Francesco/0000-0001-6535-7965; Rotondo,
Marcello/0000-0001-5704-6163; Patrignani, Claudia/0000-0002-5882-1747;
de Sangro, Riccardo/0000-0002-3808-5455; Saeed, Mohammad
Alam/0000-0002-3529-9255; Della Ricca, Giuseppe/0000-0003-2831-6982;
Negrini, Matteo/0000-0003-0101-6963; Monge, Maria
Roberta/0000-0003-1633-3195; Oyanguren, Arantza/0000-0002-8240-7300;
Calcaterra, Alessandro/0000-0003-2670-4826; Frey,
Raymond/0000-0003-0341-2636; Raven, Gerhard/0000-0002-2897-5323; Luppi,
Eleonora/0000-0002-1072-5633; van Bakel, Niels/0000-0002-4053-7588;
Calabrese, Roberto/0000-0002-1354-5400; Mir,
Lluisa-Maria/0000-0002-4276-715X; Martinez Vidal,
F*/0000-0001-6841-6035; 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; Di Lodovico, Francesca/0000-0003-3952-2175;
Pappagallo, Marco/0000-0001-7601-5602
NR 15
TC 40
Z9 40
U1 0
U2 5
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 JAN
PY 2008
VL 77
IS 1
AR 012002
DI 10.1103/PhysRevD.77.012002
PG 12
WC Astronomy & Astrophysics; Physics, Particles & Fields
SC Astronomy & Astrophysics; Physics
GA 258JH
UT WOS:000252863700012
ER
PT J
AU Aubert, B
Bona, M
Boutigny, D
Karyotakis, Y
Lees, JP
Poireau, V
Prudent, X
Tisserand, V
Zghiche, A
Tico, JG
Grauges, E
Lopez, L
Palano, A
Pappagallo, M
Eigen, G
Stugu, B
Sun, L
Abrams, GS
Battaglia, M
Brown, DN
Button-Shafer, J
Cahn, RN
Groysman, Y
Jacobsen, RG
Kadyk, JA
Kerth, LT
Kolomensky, YG
Kukartsev, G
Pegna, DL
Lynch, G
Mir, LM
Orimoto, TJ
Osipenkov, IL
Ronan, MT
Tackmann, K
Tanabe, T
Wenzel, WA
Sanchez, PDA
Hawkes, CM
Watson, AT
Koch, H
Schroeder, T
Walker, D
Asgeirsson, DJ
Cuhadar-Donszelmann, T
Fulsom, BG
Hearty, C
Mattison, TS
McKenna, JA
Khan, A
Saleem, M
Teodorescu, L
Blinov, VE
Bukin, AD
Druzhinin, VP
Golubev, VB
Onuchin, AP
Serednyakov, SI
Skovpen, YI
Solodov, EP
Todyshev, KY
Bondioli, M
Curry, S
Eschrich, I
Kirkby, D
Lankford, AJ
Lund, P
Mandelkern, M
Martin, EC
Stoker, DP
Abachi, S
Buchanan, C
Foulkes, SD
Gary, JW
Liu, F
Long, O
Shen, BC
Vitug, GM
Zhang, L
Paar, HP
Rahatlou, S
Sharma, V
Berryhill, JW
Campagnari, C
Cunha, A
Dahmes, B
Hong, TM
Kovalskyi, D
Richman, JD
Beck, TW
Eisner, AM
Flacco, CJ
Heusch, CA
Kroseberg, J
Lockman, WS
Schalk, T
Schumm, BA
Seiden, A
Wilson, MG
Winstrom, LO
Chen, E
Cheng, CH
Fang, F
Hitlin, DG
Narsky, I
Piatenko, T
Porter, FC
Andreassen, R
Mancinelli, G
Meadows, BT
Mishra, K
Sokoloff, MD
Blanc, F
Bloom, PC
Chen, S
Ford, WT
Hirschauer, JF
Kreisel, A
Nagel, M
Nauenberg, U
Olivas, A
Smith, JG
Ulmer, KA
Wagner, SR
Zhang, J
Gabareen, AM
Soffer, A
Toki, WH
Wilson, RJ
Winklmeier, F
Altenburg, DD
Feltresi, E
Hauke, A
Jasper, H
Merkel, J
Petzold, A
Spaan, B
Wacker, K
Klose, V
Kobel, MJ
Lacker, HM
Mader, WF
Nogowski, R
Schubert, J
Schubert, KR
Schwierz, R
Sundermann, JE
Volk, A
Bernard, D
Bonneaud, GR
Latour, E
Lombardo, V
Thiebaux, C
Verderi, M
Clark, PJ
Gradl, W
Muheim, F
Playfer, S
Robertson, AI
Watson, JE
Xie, Y
Andreotti, M
Bettoni, D
Bozzi, C
Calabrese, R
Cecchi, A
Cibinetto, G
Franchini, P
Luppi, E
Negrini, M
Petrella, A
Piemontese, L
Prencipe, E
Santoro, V
Anulli, F
Baldini-Ferroli, R
Calcaterra, A
de Sangro, R
Finocchiaro, G
Pacetti, S
Patteri, P
Peruzzi, IM
Piccolo, M
Rama, M
Zallo, A
Buzzo, A
Contri, R
Lo Vetere, M
Macri, MM
Monge, MR
Passaggio, S
Patrignani, C
Robutti, E
Santroni, A
Tosi, S
Chaisanguanthum, KS
Morii, M
Wu, J
Dubitzky, RS
Marks, J
Schenk, S
Uwer, U
Bard, DJ
Dauncey, PD
Flack, RL
Nash, JA
Vazquez, WP
Tibbetts, M
Behera, PK
Chai, X
Charles, MJ
Mallik, U
Cochran, J
Crawley, HB
Dong, L
Eyges, V
Meyer, WT
Prell, S
Rosenberg, EI
Rubin, AE
Gao, YY
Gritsan, AV
Guo, ZJ
Lae, CK
Denig, AG
Fritsch, M
Schott, G
Arnaud, N
Bequilleux, J
D'Orazio, A
Davier, M
Grosdidier, G
Hocker, A
Lepeltier, V
Le Diberder, F
Lutz, AM
Pruvot, S
Rodier, S
Roudeau, P
Schune, MH
Serrano, J
Sordini, V
Stocchi, A
Wang, WF
Wormser, G
Lange, DJ
Wright, DM
Bingham, I
Chavez, CA
Fry, JR
Gabathuler, E
Gamet, R
Hutchcroft, DE
Payne, DJ
Schofield, KC
Touramanis, C
Bevan, AJ
George, KA
Di Lodovico, F
Sacco, R
Cowan, G
Flaecher, HU
Hopkins, DA
Paramesvaran, S
Salvatore, F
Wren, AC
Brown, DN
Davis, CL
Allison, J
Bailey, D
Barlow, NR
Barlow, RJ
Chia, YM
Edgar, CL
Lafferty, GD
West, TJ
Yi, JI
Anderson, J
Chen, C
Jawahery, A
Roberts, DA
Simi, G
Tuggle, JM
Blaylock, G
Dallapiccola, C
Hertzbach, SS
Li, X
Moore, TB
Salvati, E
Saremi, S
Cowan, R
Dujmic, D
Fisher, PH
Koeneke, K
Sciolla, G
Spitznagel, M
Taylor, F
Yamamoto, RK
Zhao, M
Zheng, Y
Mclachlin, SE
Patel, PM
Robertson, SH
Lazzaro, A
Palombo, F
Bauer, JM
Cremaldi, L
Eschenburg, V
Godang, R
Kroeger, R
Sanders, DA
Summers, DJ
Zhao, HW
Brunet, S
Cote, D
Simard, M
Taras, P
Viaud, FB
Nicholson, H
De Nardo, G
Fabozzi, F
Lista, L
Monorchio, D
Sciacca, C
Baak, MA
Raven, G
Snoek, HL
Jessop, CP
Knoepfel, KJ
LoSecco, JM
Benelli, G
Corwin, LA
Honscheid, K
Kagan, H
Kass, R
Morris, JP
Rahimi, AM
Regensburger, JJ
Sekula, SJ
Wong, QK
Blount, NL
Brau, J
Frey, R
Igonkina, O
Kolb, JA
Lu, M
Rahmat, R
Sinev, NB
Strom, D
Strube, J
Torrence, E
Gagliardi, N
Gaz, A
Margoni, M
Morandin, M
Pompili, A
Posocco, M
Rotondo, M
Simonetto, F
Stroili, R
Voci, C
Ben-Haim, E
Briand, H
Calderini, G
Chauveau, J
David, P
Del Buono, L
de La Vaissiere, C
Hamon, O
Leruste, P
Malcles, J
Ocariz, J
Perez, A
Prendki, J
Gladney, L
Biasini, M
Covarelli, R
Manoni, E
Angelini, C
Batignani, G
Bettarini, S
Carpinelli, M
Cenci, R
Cervelli, A
Forti, F
Giorgi, MA
Lusiani, A
Marchiori, G
Mazur, MA
Morganti, M
Neri, N
Paoloni, E
Rizzo, G
Walsh, JJ
Biesiada, J
Elmer, P
Lau, YP
Lu, C
Olsen, J
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Flacco, C. J.
Heusch, C. A.
Kroseberg, J.
Lockman, W. S.
Schalk, T.
Schumm, B. A.
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Wilson, M. G.
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Harrison, P. F.
Ilic, J.
Latham, T. E.
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Band, H. R.
Chen, X.
Dasu, S.
Flood, K. T.
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Neal, H.
TI Study of resonances in exclusive B decays to (D)over-bar((*))D((*))K
SO PHYSICAL REVIEW D
LA English
DT Article
ID X(3872)
AB We present a study of resonances in exclusive decays of B mesons to (D) over bar (DK)-D-(*)-K-(*). We report the observation of the decays B ->(D) over bar D-(*)(s1)+(2536) where the D-s1(+)(2536) is reconstructed in the (DK+)-K-*0 and (D*+KS0) decay channels. We report also the observation of the decays B ->psi(3770)K where the psi(3770) decays to (D) over bar D-0(0) and D-D+. In addition, we present the observation of an enhancement for the (D) over bar D-*0(0) invariant mass in the decays B ->(D) over bar (DK)-D-*0-K-0, at a mass of (3875.1(-0.5)(+0.7)+/- 0.5) MeV/c(2) with a width of (3.0(-1.4)(+1.9)+/- 0.9) MeV (the first errors are statistical and the second are systematic). Branching fractions and spin studies are shown for the three resonances. The results are based on 347 fb(-1) of data collected with the BABAR detector at the PEP-II B factory.
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[Behera, P. K.; Chai, X.; Charles, M. J.; Mallik, U.] Univ Iowa, Iowa City, IA 52242 USA.
[Cochran, J.; Crawley, H. B.; Dong, L.; Eyges, V.; Meyer, W. T.; Prell, S.; Rosenberg, E. I.; Rubin, A. E.] Iowa State Univ, Ames, IA 50011 USA.
[Gao, Y. Y.; Gritsan, A. V.; Guo, Z. J.; Lae, C. K.] Johns Hopkins Univ, Baltimore, MD 21218 USA.
[Denig, A. G.; Fritsch, M.; Schott, G.] Univ Karlsruhe, Inst Expt Kernphys, D-76021 Karlsruhe, Germany.
[Le Diberder, F.; Lutz, A. M.; Pruvot, S.; Rodier, S.; Roudeau, P.; Schune, M. H.; Stocchi, A.; Wang, W. F.; Wormser, G.; Chavez, C. A.; Fry, J. R.] Univ Paris Sud 11, CNRS, Ctr Sci, Lab Accelerateur Lineaire,IN2P3, F-91898 Orsay, France.
[Lange, D. J.; Wright, D. M.] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
[Bingham, I.; Chavez, C. A.; Fry, J. R.; Gabathuler, E.; Gamet, R.; Hutchcroft, D. E.; Payne, D. J.; Schofield, K. C.; Touramanis, C.] Univ Liverpool, Liverpool L69 7ZE, Merseyside, England.
[Bevan, A. J.; George, K. A.; Di Lodovico, F.; Sacco, R.] Queen Mary Univ London, London E1 4NS, England.
[Cowan, G.; Flaecher, H. U.; Hopkins, D. A.; Paramesvaran, S.; Salvatore, F.; Wren, A. C.] Univ London Royal Holloway & Bedford New Coll, Egham TW20 0EX, Surrey, England.
[Brown, D. N.; Davis, C. L.] Univ Louisville, Louisville, KY 40292 USA.
[Allison, J.; Bailey, D.; Barlow, R. J.; Chia, Y. M.; Edgar, C. L.; Lafferty, G. D.; West, T. J.; Yi, J. I.] Univ Manchester, Manchester M13 9PL, Lancs, England.
[Vitug, G. M.; Anderson, J.; Chen, C.; Jawahery, A.; Roberts, D. A.; Simi, G.] Univ Maryland, College Pk, MD 20742 USA.
[Blaylock, G.; Dallapiccola, C.; Hertzbach, S. S.; Li, X.; Moore, T. B.; Salvati, E.; Saremi, S.] Univ Massachusetts, Amherst, MA 01003 USA.
[Cowan, R.; Dujmic, D.; Fisher, P. H.; Koeneke, K.; Sciolla, G.; Spitznagel, M.; Taylor, F.; Yamamoto, R. K.; Zhao, M.; Zheng, Y.] MIT, Nucl Sci Lab, Cambridge, MA 02139 USA.
[Mclachlin, S. E.; Patel, P. M.; Robertson, S. H.] McGill Univ, Montreal, PQ H3A 2T8, Canada.
[Lazzaro, A.; Palombo, F.] Univ Milan, Ist Nazl Fis Nucl, Dipartimento Fis, I-20133 Milan, Italy.
[Bauer, J. M.; Cremaldi, L.; Eschenburg, V.; Godang, R.; Kroeger, R.; Sanders, D. A.; Summers, D. J.; Zhao, H. W.] Univ Mississippi, University, MS 38677 USA.
[Brunet, S.; Cote, D.; Simard, M.; Taras, P.; Viaud, F. B.] Univ Montreal, Montreal, PQ H3C 3J7, Canada.
[Nicholson, H.] Mt Holyoke Coll, S Hadley, MA 01075 USA.
[De Nardo, G.; Fabozzi, F.; Lista, L.; Monorchio, D.; Sciacca, C.] Univ Naples Federico II, Ist Nazl Fis Nucl, Dipartimento Sci Fisiche, I-80126 Naples, Italy.
[Baak, M. A.; Raven, G.; Snoek, H. L.] NIKHEF H, Natl Inst Nucl & High Energy Phys, NL-1009 DB Amsterdam, Netherlands.
[Jessop, C. P.; Knoepfel, K. J.; LoSecco, J. M.] Univ Notre Dame, Notre Dame, IN 46556 USA.
[Benelli, G.; Corwin, L. A.; Honscheid, K.; Kagan, H.; Kass, R.; Morris, J. P.; Rahimi, A. M.; Regensburger, J. J.; Sekula, S. J.; Wong, Q. K.] Ohio State Univ, Columbus, OH 43210 USA.
[Blount, N. L.; Brau, J.; Frey, R.; Igonkina, O.; Kolb, J. A.; Lu, M.; Rahmat, R.; Sinev, N. B.; Strom, D.; Strube, J.; Torrence, E.] Univ Oregon, Eugene, OR 97403 USA.
[Gagliardi, N.; Gaz, A.; Margoni, M.; Morandin, M.; Pompili, A.; Posocco, M.; Rotondo, M.; Simonetto, F.; Stroili, R.; Voci, C.] Univ Padua, Ist Nazl Fis Nucl, Dipartimento Fis, I-35131 Padua, Italy.
[Ben-Haim, E.; Briand, H.; Calderini, G.; Chauveau, J.; David, P.; Del Buono, L.; de la Vaissiere, Ch.; Hamon, O.; Leruste, Ph.; Malcles, J.; Ocariz, J.; Perez, A.; Prendki, J.] Univ Paris 06, CNRS, Lab Phys Nucl & Hautes Energies, F-75252 Paris, France.
[Ben-Haim, E.; Briand, H.; Calderini, G.; Chauveau, J.; David, P.; Del Buono, L.; de la Vaissiere, Ch.; Hamon, O.; Leruste, Ph.; Malcles, J.; Ocariz, J.; Perez, A.; Prendki, J.] Univ Paris 07, F-75252 Paris, France.
[Gladney, L.] Univ Penn, Philadelphia, PA 19104 USA.
[Biasini, M.; Covarelli, R.; Manoni, E.] Univ Perugia, Ist Nazl Fis Nucl, Dipartimento Fis, I-06100 Perugia, Italy.
[Angelini, C.; Batignani, G.; Bettarini, S.; Carpinelli, M.; Cenci, R.; Cervelli, A.; Forti, F.; Giorgi, M. A.; Lusiani, A.; Marchiori, G.; Mazur, M. A.; Morganti, M.; Neri, N.; Paoloni, E.; Rizzo, G.; Walsh, J. J.] Univ Pisa, Ist Nazl Fis Nucl, Scuola Normale Super Pisa, I-56127 Pisa, Italy.
[Biesiada, J.; Elmer, P.; Lau, Y. P.; Lu, C.; Olsen, J.; Smith, A. J. S.; Telnov, A. V.] Princeton Univ, Princeton, NJ 08544 USA.
[Baracchini, E.; Bellini, F.; Cavoto, G.; del Re, D.; Di Marco, E.; Faccini, R.; Ferrarotto, F.; Ferroni, F.; Gaspero, M.; Jackson, P. D.; Gioi, L. Li; Mazzoni, M. A.; Morganti, S.; Piredda, G.; Polci, F.; Renga, F.; Voena, C.] Univ Roma La Sapienza, Ist Nazl Fis Nucl, Dipartimento Fis, I-00185 Rome, Italy.
[Ebert, M.; Hartmann, T.; Schroeder, H.; Waldi, R.] Univ Rostock, D-18051 Rostock, Germany.
[Adye, T.; Castelli, G.; Franek, B.; Olaiya, E. O.; Roethel, W.; Wilson, F. F.] Rutherford Appleton Lab, Didcot OX11 0QX, Oxon, England.
[Vasseur, G.; Yeche, Ch.; Zito, M.] CEA Saclay, DSM Dapnia, F-91191 Gif Sur Yvette, France.
[Chen, X. R.; Liu, H.; Park, W.; Purohit, M. V.; White, R. M.; Wilson, J. R.] Univ S Carolina, Columbia, SC 29208 USA.
[Allen, M. T.; Bartoldus, R.; Bechtle, P.; Claus, R.; Coleman, J. P.; Convery, M. R.; Dingfelder, J. C.; Dorfan, J.; Dubois-Felsmann, G. P.; Dunwoodie, W.; Field, R. C.; Glanzman, T.; Gowdy, S. J.; Graham, M. T.; Grenier, P.; Hast, C.; Innes, W. R.; Kaminski, J.; Kelsey, M. H.; Kim, H.; Kim, P.; Kocian, M. L.; Leith, D. W. G. S.; Li, S.; Luitz, S.; Luth, V.; Lynch, H. L.; MacFarlane, D. B.; Marsiske, H.; Messner, R.; Muller, D. R.; O'Grady, C. P.; Ofte, I.; Perazzo, A.; Perl, M.; Pulliam, T.; Ratcliff, B. N.; Roodman, A.; Salnikov, A. A.; Schindler, R. H.; Schwiening, J.; Snyder, A.; Su, D.; Sullivan, M. K.; Suzuki, K.; Swain, S. K.; Thompson, J. M.; Va'vra, J.; Wagner, A. P.; Weaver, M.; Wisniewski, W. J.; Wittgen, M.; Wright, D. H.; Yarritu, A. K.; Yi, K.; Young, C. C.; Ziegler, V.] Stanford Linear Accelerator Ctr, Stanford, CA 94309 USA.
[Burchat, P. R.; Edwards, A. J.; Majewski, S. A.; Miyashita, T. S.; Petersen, B. A.; Wilden, L.] Stanford Univ, Stanford, CA 94305 USA.
[Ahmed, S.; Alam, M. S.; Bula, R.; Ernst, J. A.; Jain, V.; Pan, B.; Saeed, M. A.; Wappler, F. R.; Zain, S. B.] SUNY Albany, Albany, NY 12222 USA.
[Krishnamurthy, M.; Spanier, S. M.] Univ Tennessee, Knoxville, TN 37996 USA.
[Eckmann, R.; Ritchie, J. L.; Ruland, A. M.; Schilling, C. J.; Schwitters, R. F.] Univ Texas Austin, Austin, TX 78712 USA.
[Izen, J. M.; Lou, X. C.; Ye, S.] Univ Texas Dallas, Richardson, TX 75083 USA.
[Bianchi, F.; Gallo, F.; Gamba, D.; Pelliccioni, M.] Univ Turin, Ist Nazl Fis Nucl, Dipartimento Fis Sperimentale, I-10125 Turin, Italy.
[Bomben, M.; Bosisio, L.; Cartaro, C.; Cossutti, F.; Della Ricca, G.; Lanceri, L.; Vitale, L.] Univ Trieste, Ist Nazl Fis Nucl, Dipartimento Fis, I-34127 Trieste, Italy.
[Azzolini, V.; Lopez-March, N.; Martinez-Vidal, F.; Milanes, D. A.; Oyanguren, A.] Univ Politecn Valencia, CSIC, IFIC, E-46071 Valencia, Spain.
[Albert, J.; Banerjee, Sw.; Bhuyan, B.; Hamano, K.; Kowalewski, R.; Nugent, I. M.; Roney, J. M.; Sobie, R. J.] Univ Victoria, Victoria, BC V8W 3P6, Canada.
[Harrison, P. F.; Ilic, J.; Latham, T. E.; Mohanty, G. B.] Univ Warwick, Dept Phys, Coventry CV4 7AL, W Midlands, England.
[Band, H. R.; Chen, X.; Dasu, S.; Flood, K. T.; Hollar, J. J.; Kutter, P. E.; Pierini, M.; Prepost, R.; Wu, S. L.] Univ Wisconsin, Madison, WI 53706 USA.
[Neal, H.] Yale Univ, New Haven, CT 06511 USA.
[Soffer, A.] Tel Aviv Univ, IL-69978 Tel Aviv, Israel.
[Peruzzi, I. M.] Univ Perugia, Dipartimento Fis, I-06100 Perugia, Italy.
[Fabozzi, F.] Univ Basilicata, Potenza, Italy.
[Martinez-Vidal, F.] Univ Barcelona, Fac Fis, Dept ECM, E-08028 Barcelona, Spain.
RP Aubert, B (reprint author), Univ Savoie, CNRS, Phys Particules Lab, IN2P3, F-74941 Annecy Le Vieux, France.
RI Calcaterra, Alessandro/P-5260-2015; Frey, Raymond/E-2830-2016; Luppi,
Eleonora/A-4902-2015; White, Ryan/E-2979-2015; Calabrese,
Roberto/G-4405-2015; Mir, Lluisa-Maria/G-7212-2015; Martinez Vidal,
F*/L-7563-2014; 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; Di Lodovico,
Francesca/L-9109-2016; Pappagallo, Marco/R-3305-2016; Negrini,
Matteo/C-8906-2014; Monge, Maria Roberta/G-9127-2012; Oyanguren,
Arantza/K-6454-2014; Lista, Luca/C-5719-2008; Bellini,
Fabio/D-1055-2009; Neri, Nicola/G-3991-2012; Forti,
Francesco/H-3035-2011; Rotondo, Marcello/I-6043-2012; Patrignani,
Claudia/C-5223-2009; de Sangro, Riccardo/J-2901-2012; Saeed, Mohammad
Alam/J-7455-2012; Della Ricca, Giuseppe/B-6826-2013
OI Calcaterra, Alessandro/0000-0003-2670-4826; Frey,
Raymond/0000-0003-0341-2636; Cavoto, Gianluca/0000-0003-2161-918X;
Barlow, Roger/0000-0002-8295-8612; Raven, Gerhard/0000-0002-2897-5323;
Luppi, Eleonora/0000-0002-1072-5633; White, Ryan/0000-0003-3589-5900;
Calabrese, Roberto/0000-0002-1354-5400; Mir,
Lluisa-Maria/0000-0002-4276-715X; Martinez Vidal,
F*/0000-0001-6841-6035; 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; Di Lodovico, Francesca/0000-0003-3952-2175;
Pappagallo, Marco/0000-0001-7601-5602; Negrini,
Matteo/0000-0003-0101-6963; Monge, Maria Roberta/0000-0003-1633-3195;
Oyanguren, Arantza/0000-0002-8240-7300; Bellini,
Fabio/0000-0002-2936-660X; Neri, Nicola/0000-0002-6106-3756; Forti,
Francesco/0000-0001-6535-7965; Rotondo, Marcello/0000-0001-5704-6163;
Patrignani, Claudia/0000-0002-5882-1747; de Sangro,
Riccardo/0000-0002-3808-5455; Saeed, Mohammad Alam/0000-0002-3529-9255;
Della Ricca, Giuseppe/0000-0003-2831-6982
NR 23
TC 107
Z9 107
U1 1
U2 9
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 JAN
PY 2008
VL 77
IS 1
AR 011102
DI 10.1103/PhysRevD.77.011102
PG 8
WC Astronomy & Astrophysics; Physics, Particles & Fields
SC Astronomy & Astrophysics; Physics
GA 258JH
UT WOS:000252863700002
ER
PT J
AU Aubert, B
Bona, M
Boutigny, D
Karyotakis, Y
Lees, JP
Poireau, V
Prudent, X
Tisserand, V
Zghiche, A
Tico, JG
Grauges, E
Lopez, L
Palano, A
Pappagallo, M
Eigen, G
Stugu, B
Sun, L
Abrams, GS
Battaglia, M
Brown, DN
Button-Shafer, J
Cahn, RN
Groysman, Y
Jacobsen, RG
Kadyk, JA
Kerth, LT
Kolomensky, YG
Kukartsev, G
Pegna, DL
Lynch, G
Mir, LM
Orimoto, TJ
Osipenkov, IL
Ronan, MT
Tackmann, K
Tanabe, T
Wenzel, WA
Sanchez, PDA
Hawkes, CM
Watson, AT
Held, T
Koch, H
Pelizaeus, M
Schroeder, T
Steinke, M
Walker, D
Asgeirsson, DJ
Cuhadar-Donszelmann, T
Fulsom, BG
Hearty, C
Mattison, TS
McKenna, JA
Khan, A
Saleem, M
Teodorescu, L
Blinov, VE
Bukin, AD
Druzhinin, VP
Golubev, VB
Onuchin, AP
Serednyakov, SI
Skovpen, YI
Solodov, EP
Todyshev, KY
Bondioli, M
Curry, S
Eschrich, I
Kirkby, D
Lankford, AJ
Lund, P
Mandelkern, M
Martin, EC
Stoker, DP
Abachi, S
Buchanan, C
Foulkes, SD
Gary, JW
Liu, F
Long, O
Shen, BC
Zhang, L
Paar, HP
Rahatlou, S
Sharma, V
Berryhill, JW
Campagnari, C
Cunha, A
Dahmes, B
Hong, TM
Kovalskyi, D
Richman, JD
Beck, TW
Eisner, AM
Flacco, CJ
Heusch, CA
Kroseberg, J
Lockman, WS
Schalk, T
Schumm, BA
Seiden, A
Wilson, MG
Winstrom, LO
Chen, E
Cheng, CH
Fang, F
Hitlin, DG
Narsky, I
Piatenko, T
Porter, FC
Andreassen, R
Mancinelli, G
Meadows, BT
Mishra, K
Sokoloff, MD
Blanc, F
Bloom, PC
Chen, S
Ford, WT
Hirschauer, JF
Kreisel, A
Nagel, M
Nauenberg, U
Olivas, A
Smith, JG
Ulmer, KA
Wagner, SR
Zhang, J
Gabareen, AM
Soffer, A
Toki, WH
Wilson, RJ
Winklmeier, F
Altenburg, DD
Feltresi, E
Hauke, A
Jasper, H
Merkel, J
Petzold, A
Spaan, B
Wacker, K
Klose, V
Kobel, MJ
Lacker, HM
Mader, WF
Nogowski, R
Schubert, J
Schubert, KR
Schwierz, R
Sundermann, JE
Volk, A
Bernard, D
Bonneaud, GR
Latour, E
Lombardo, V
Thiebaux, C
Verderi, M
Clark, PJ
Gradl, W
Muheim, F
Playfer, S
Robertson, AI
Watson, JE
Xie, Y
Andreotti, M
Bettoni, D
Bozzi, C
Calabrese, R
Cecchi, A
Cibinetto, G
Franchini, P
Luppi, E
Negrini, M
Petrella, A
Piemontese, L
Prencipe, E
Santoro, V
Anulli, F
Baldini-Ferroli, R
Calcaterra, A
De Sangro, R
Finocchiaro, G
Pacetti, S
Patteri, P
Peruzzi, IM
Piccolo, M
Rama, M
Zallo, A
Buzzo, A
Contri, R
Lo Vetere, M
Macri, MM
Monge, MR
Passaggio, S
Patrignani, C
Robutti, E
Santroni, A
Tosi, S
Chaisanguanthum, KS
Morii, M
Wu, J
Dubitzky, RS
Marks, J
Schenk, S
Uwer, U
Bard, DJ
Dauncey, PD
Flack, RL
Nash, JA
Vazquez, WP
Tibbetts, M
Behera, PK
Chai, X
Charles, MJ
Mallik, U
Ziegler, V
Cochran, J
Crawley, HB
Dong, L
Eyges, V
Meyer, WT
Prell, S
Rosenberg, EI
Rubin, AE
Gao, YY
Gritsan, AV
Guo, ZJ
Lae, CK
Denig, AG
Fritsch, M
Schott, G
Arnaud, N
Beuilleux, J
D'Orazio, A
Davier, M
Grosdidier, G
Hoker, A
Lepeltier, V
Le Diberder, F
Lutz, AM
Pruvot, S
Rodier, S
Roudeau, P
Schune, MH
Serrano, J
Sordini, V
Stocchi, A
Wang, WF
Wormser, G
Lange, DJ
Wright, DM
Bingham, I
Chavez, CA
Forster, IJ
Fry, JR
Gabathuler, E
Gamet, R
Hutchcroft, DE
Payne, DJ
Schofield, KC
Touramanis, C
Bevan, AJ
George, KA
Di Lodovico, F
Menges, W
Sacco, R
Cowan, G
Flaecher, HU
Hopkins, DA
Paramesvaran, S
Salvatore, F
Wren, AC
Brown, DN
Davis, CL
Allison, J
Barlow, NR
Barlow, RJ
Chia, YM
Edgar, CL
Lafferty, GD
West, TJ
Yi, JI
Anderson, J
Chen, C
Jawahery, A
Roberts, DA
Simi, G
Tuggle, JM
Blaylock, G
Dallapiccola, C
Hertzbach, SS
Li, X
Moore, TB
Salvati, E
Saremi, S
Cowan, R
Dujmic, D
Fisher, PH
Koeneke, K
Sciolla, G
Sekula, SJ
Spitznagel, M
Taylor, F
Yamamoto, RK
Zhao, M
Zheng, Y
Mclachlin, SE
Patel, PM
Robertson, SH
Lazzaro, A
Palombo, F
Bauer, JM
Cremaldi, L
Eschenburg, V
Godang, R
Kroeger, R
Sanders, DA
Summers, DJ
Zhao, HW
Brunet, S
Cote, D
Simard, M
Taras, P
Viaud, FB
Viaud, FB
Nicholson, H
De Nardo, G
Fabozzi, F
Lista, L
Monorchio, D
Sciacca, C
Baak, MA
Raven, G
Snoek, HL
Jessop, CP
Knoepfel, KJ
LoSecco, JM
Benelli, G
Corwin, LA
Honscheid, K
Kagan, H
Kass, R
Morris, JP
Rahimi, AM
Regensburger, JJ
Wong, QK
Blount, NL
Brau, J
Frey, R
Igonkina, O
Kolb, JA
Lu, M
Rahmat, R
Sinev, NB
Strom, D
Strube, J
Torrence, E
Gagliardi, N
Gaz, A
Margoni, M
Morandin, M
Pompili, A
Posocco, M
Rotondo, M
Simonetto, F
Stroili, R
Voci, C
Ben-Haim, E
Briand, H
Calderini, G
Chauveau, J
David, P
Del Buono, L
De la Vaissiere, C
Hamon, O
Leruste, P
Malcles, J
Ocariz, J
Perez, A
Prendki, J
Gladney, L
Biasini, M
Covarelli, R
Manoni, E
Angelini, C
Batignani, G
Bettarini, S
Carpinelli, M
Cenci, R
Cervelli, A
Forti, F
Giorgi, MA
Lusiani, A
Marchiori, G
Mazur, MA
Morganti, M
Neri, N
Paoloni, E
Rizzo, G
Walsh, JJ
Haire, M
Biesiada, J
Elmer, P
Lau, YP
Lu, C
Olsen, J
Smith, AJS
Telnov, AV
Baracchini, E
Bellini, F
Cavoto, G
Del Re, D
Di Marco, E
Faccini, R
Ferrarotto, F
Ferroni, F
Gaspero, M
Jackson, PD
Gioi, LL
Mazzoni, MA
Morganti, S
Piredda, G
Polci, F
Renga, F
Voena, C
Ebert, M
Hartmann, T
Schroder, H
Waldi, R
Adye, T
Castelli, G
Franek, B
Olaiya, EO
Ricciardi, S
Roethel, W
Wilson, FF
Emery, S
Escalier, M
Gaidot, A
Ganzhur, SF
De Monchenault, GH
Kozanecki, W
Vasseur, G
Yeche, C
Zito, M
Chen, XR
Liu, H
Park, W
Purohit, MV
Wilson, JR
Allen, MT
Aston, D
Bartoldus, R
Bechtle, P
Berger, N
Claus, R
Coleman, JP
Convery, MR
Dingfelder, JC
Dorfan, J
Dubois-Felsmann, GP
Dunwoodie, W
Field, RC
Glanzman, T
Gowdy, SJ
Graham, MT
Grenier, P
Hast, C
Hryn'ova, T
Innes, WR
Kaminski, J
Kelsey, MH
Kim, H
Kim, P
Kocian, ML
Leith, DWGS
Li, S
Luitz, S
Luth, V
Lynch, HL
MacFarlane, DB
Marsiske, H
Messner, R
Muller, DR
O'Grady, CP
Ofte, I
Perazzo, A
Perl, M
Pulliam, T
Ratcliff, BN
Roodman, A
Salnikov, AA
Schindler, RH
Schwiening, J
Snyder, A
Stelzer, J
Su, D
Sullivan, MK
Suzuki, K
Swain, SK
Thompson, JM
Va'vra, J
Van Bakel, N
Wagner, AP
Weaver, M
Wisniewski, WJ
Wittgen, M
Wright, DH
Yarritu, AK
Yi, K
Young, CC
Burchat, PR
Edwards, AJ
Majewski, SA
Petersen, BA
Wilden, L
Ahmed, S
Alam, MS
Bula, R
Ernst, JA
Jain, V
Pan, B
Saeed, MA
Wappler, FR
Zain, SB
Krishnamurthy, M
Spanier, SM
Eckmann, R
Ritchie, JL
Ruland, AM
Schilling, CJ
Schwitters, RF
Izen, JM
Lou, XC
Ye, S
Bianchi, F
Gallo, F
Gamba, D
Pelliccioni, M
Bomben, M
Bosisio, L
Cartaro, C
Cossutti, F
Della Ricca, G
Lanceri, L
Vitale, L
Azzolini, V
Lopez-March, N
Martinez-Vidal, F
Milanes, DA
Oyanguren, A
Albert, J
Banerjee, S
Bhuyan, B
Hamano, K
Kowalewski, R
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TI Search for the rare charmless hadronic decay B+-> a(0)(+)pi(0)
SO PHYSICAL REVIEW D
LA English
DT Article
AB We present a search for B decays to a charged scalar meson a(0)(+) and a pi(0) where the a(0)(+) decays to an eta meson and a pi(+). The analysis was performed on a data sample consisting of 383x10(6) B (B) over bar pairs collected with the BABAR detector at the PEP-II asymmetric-energy B Factory at SLAC. We find no significant signal and set an upper limit on the product branching fraction B(B+-> a(0)(+)pi(0))xB(a(0)(+)->eta pi(+)) of 1.4x10(-6) at the 90% confidence level.
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[Baak, M. A.; Raven, G.; Snoek, H. L.] NIKHEF H, Natl Inst Nucl & High Energy Phys, NL-1009 AB Amsterdam, Netherlands.
[Jessop, C. P.; Knoepfel, K. J.; LoSecco, J. M.] Univ Notre Dame, Notre Dame, IN 46556 USA.
[Benelli, G.; Corwin, L. A.; Honscheid, K.; Kagan, H.; Kass, R.; Morris, J. P.; Rahimi, A. M.; Regensburger, J. J.; Wong, Q. K.] Ohio State Univ, Columbus, OH 43210 USA.
[Blount, N. L.; Brau, J.; Frey, R.; Igonkina, O.; Kolb, J. A.; Lu, M.; Rahmat, R.; Sinev, N. B.; Strom, D.; Strube, J.; Torrence, E.] Univ Oregon, Eugene, OR 97403 USA.
[Gagliardi, N.; Gaz, A.; Margoni, M.; Morandin, M.; Pompili, A.; Posocco, M.; Rotondo, M.; Simonetto, F.; Stroili, R.; Voci, C.] Univ Padua, Ist Nazl Fis Nucl, Dipartimento Fis, I-35131 Padua, Italy.
[Ben-Haim, E.; Briand, H.; Calderini, G.; Chauveau, J.; David, P.; Del Buono, L.; De la Vaissiere, Ch.; Hamon, O.; Leruste, Ph.; Malcles, J.; Ocariz, J.; Perez, A.; Prendki, J.] Univ Paris 06, CNRS, Lab Phys Nucl & Hautes Energies, INP2P, F-75252 Paris, France.
[Ben-Haim, E.; Briand, H.; Calderini, G.; Chauveau, J.; David, P.; Del Buono, L.; De la Vaissiere, Ch.; Hamon, O.; Leruste, Ph.; Malcles, J.; Ocariz, J.; Perez, A.; Prendki, J.] Univ Paris 07, F-75252 Paris, France.
[Gladney, L.] Univ Penn, Philadelphia, PA 19104 USA.
[Biasini, M.; Covarelli, R.; Manoni, E.] Univ Perugia, Ist Nazl Fis Nucl, Dipartimento Fis, I-06100 Perugia, Italy.
[Angelini, C.; Batignani, G.; Bettarini, S.; Carpinelli, M.; Cenci, R.; Cervelli, A.; Forti, F.; Giorgi, M. A.; Lusiani, A.; Marchiori, G.; Mazur, M. A.; Morganti, M.; Neri, N.; Paoloni, E.; Rizzo, G.; Walsh, J. J.] Univ Pisa, Ist Nazl Fis Nucl, Dipartimento Fis, Scuola Normale Super Pisa, I-56127 Pisa, Italy.
[Haire, M.] Prairie View A&M Univ, Prairie View, TX 77446 USA.
[Biesiada, J.; Elmer, P.; Lau, Y. P.; Lu, C.; Olsen, J.; Smith, A. J. S.; Telnov, A. V.] Princeton Univ, Princeton, NJ 08544 USA.
[Gaspero, M.; Jackson, P. D.; Gioi, L. Li; Mazzoni, M. A.; Morganti, S.; Piredda, G.; Polci, F.; Renga, F.; Voena, C.] Univ Roma La Sapienza, Ist Nazl Fis Nucl, Dipartimento Fis, I-00185 Rome, Italy.
[Ebert, M.; Hartmann, T.; Schroeder, H.; Waldi, R.] Univ Rostock, D-18051 Rostock, Germany.
[Adye, T.; Castelli, G.; Franek, B.; Olaiya, E. O.; Ricciardi, S.; Roethel, W.; Wilson, F. F.] Rutherford Appleton Lab, Didcot OX11 0QX, Oxon, England.
[Emery, S.; Escalier, M.; Gaidot, A.; Ganzhur, S. F.; De Monchenault, G. Hamel; Kozanecki, W.; Vasseur, G.; Yeche, Ch.; Zito, M.] CEA Saclay, DSM Dapnia, F-91191 Gif Sur Yvette, France.
[Chen, X. R.; Liu, H.; Park, W.; Wilson, J. R.] Univ S Carolina, Columbia, SC 29208 USA.
[Allen, M. T.; Aston, D.; Bartoldus, R.; Bechtle, P.; Berger, N.; Claus, R.; Coleman, J. P.; Convery, M. R.; Dingfelder, J. C.; Dorfan, J.; Dubois-Felsmann, G. P.; Dunwoodie, W.; Field, R. C.; Glanzman, T.; Gowdy, S. J.; Graham, M. T.; Grenier, P.; Hast, C.; Hryn'ova, T.; Innes, W. R.; Kaminski, J.; Kelsey, M. H.; Kim, H.; Kim, P.; Kocian, M. L.; Leith, D. W. G. S.; Li, S.; Luitz, S.; Luth, V.; Lynch, H. L.; Pulliam, T.; Ratcliff, B. N.; Roodman, A.; Salnikov, A. A.; Schindler, R. H.; Schwiening, J.; Snyder, A.; Stelzer, J.; Su, D.; Sullivan, M. K.; Suzuki, K.; Swain, S. K.; Thompson, J. M.; Va'vra, J.; Van Bakel, N.; Wagner, A. P.; Weaver, M.; Wisniewski, W. J.; Wittgen, M.; Wright, D. H.; Yarritu, A. K.; Yi, K.; Young, C. C.] Stanford Linear Accelerator Ctr, Stanford, CA 94309 USA.
[Burchat, P. R.; Edwards, A. J.; Majewski, S. A.; Petersen, B. A.; Wilden, L.] Stanford Univ, Stanford, CA 94305 USA.
[Ahmed, S.; Bula, R.; Ernst, J. A.; Jain, V.; Pan, B.; Saeed, M. A.; Wappler, F. R.; Zain, S. B.] SUNY Albany, Albany, NY 12222 USA.
[Krishnamurthy, M.; Spanier, S. M.] Univ Tennessee, Knoxville, TN 37996 USA.
[Eckmann, R.; Ritchie, J. L.; Ruland, A. M.; Schilling, C. J.; Schwitters, R. F.; Izen, J. M.] Univ Texas Austin, Austin, TX 78712 USA.
[Izen, J. M.; Lou, X. C.; Ye, S.] Univ Texas Dallas, Richardson, TX 75083 USA.
[Bianchi, F.; Gallo, F.; Gamba, D.; Pelliccioni, M.] Univ Turin, Ist Nazl Fis Nucl, Dipartimento Fis, I-10125 Turin, Italy.
[Bomben, M.; Bosisio, L.; Cartaro, C.; Cossutti, F.; Della Ricca, G.; Lanceri, L.; Vitale, L.] Univ Trieste, Ist Nazl Fis Nucl, Dipartimento Fis, I-34127 Trieste, Italy.
[Azzolini, V.; Lopez-March, N.; Martinez-Vidal, F.; Milanes, D. A.; Oyanguren, A.] Univ Valencia, CSIC, IFIC, E-46071 Valencia, Spain.
[Albert, J.; Banerjee, Sw.; Bhuyan, B.; Hamano, K.; Kowalewski, R.; Nugent, I. M.; Roney, J. M.; Sobie, R. J.] Univ Victoria, Victoria, BC V8W 3P6, Canada.
[Harrison, P. F.; Ilic, J.; Latham, T. E.; Mohanty, G. B.; Band, H. R.] Univ Warwick, Dept Phys, Coventry CV4 7AL, W Midlands, England.
[Chen, X.; Dasu, S.; Flood, K. T.; Hollar, J. J.; Kutter, P. E.; Pan, Y.; Pierini, M.; Prepost, R.; Wu, S. L.] Univ Wisconsin, Madison, WI 53706 USA.
[Neal, H.] Yale Univ, New Haven, CT 06511 USA.
[Soffer, A.] Tel Aviv Univ, IL-69978 Tel Aviv, Israel.
[Peruzzi, I. M.] Univ Perugia, Dipartimento Fis, I-06100 Perugia, Italy.
[Fabozzi, F.] Univ Basicilicata, Potenza, Italy.
[Martinez-Vidal, F.] Univ Barcelona, Fac Fis, Dept ECM, E-08028 Barcelona, Spain.
RP Aubert, B (reprint author), Univ Savoie, CNRS, Phys Particules Lab, IN2P3, F-74941 Annecy Le Vieux, France.
RI Calcaterra, Alessandro/P-5260-2015; Frey, Raymond/E-2830-2016; dong,
liaoyuan/A-5093-2015; Rizzo, Giuliana/A-8516-2015; van Bakel,
Niels/B-6233-2015; Calabrese, Roberto/G-4405-2015; Mir,
Lluisa-Maria/G-7212-2015; Martinez Vidal, F*/L-7563-2014; Kolomensky,
Yury/I-3510-2015; Lo Vetere, Maurizio/J-5049-2012; Lusiani,
Alberto/N-2976-2015; Morandin, Mauro/A-3308-2016; Lusiani,
Alberto/A-3329-2016; Della Ricca, Giuseppe/B-6826-2013; Di Lodovico,
Francesca/L-9109-2016; Pappagallo, Marco/R-3305-2016; Oyanguren,
Arantza/K-6454-2014; Luppi, Eleonora/A-4902-2015; Patrignani,
Claudia/C-5223-2009; de Sangro, Riccardo/J-2901-2012; Rotondo,
Marcello/I-6043-2012; Neri, Nicola/G-3991-2012; Forti,
Francesco/H-3035-2011; Lista, Luca/C-5719-2008; Bellini,
Fabio/D-1055-2009; Saeed, Mohammad Alam/J-7455-2012; Negrini,
Matteo/C-8906-2014; Monge, Maria Roberta/G-9127-2012
OI Paoloni, Eugenio/0000-0001-5969-8712; Faccini,
Riccardo/0000-0003-2613-5141; Raven, Gerhard/0000-0002-2897-5323;
Calcaterra, Alessandro/0000-0003-2670-4826; Frey,
Raymond/0000-0003-0341-2636; Bettarini, Stefano/0000-0001-7742-2998;
Cibinetto, Gianluigi/0000-0002-3491-6231; dong,
liaoyuan/0000-0002-4773-5050; Pacetti, Simone/0000-0002-6385-3508;
Covarelli, Roberto/0000-0003-1216-5235; Rizzo,
Giuliana/0000-0003-1788-2866; van Bakel, Niels/0000-0002-4053-7588;
Calabrese, Roberto/0000-0002-1354-5400; Mir,
Lluisa-Maria/0000-0002-4276-715X; Martinez Vidal,
F*/0000-0001-6841-6035; Kolomensky, Yury/0000-0001-8496-9975; Lo Vetere,
Maurizio/0000-0002-6520-4480; Lusiani, Alberto/0000-0002-6876-3288;
Morandin, Mauro/0000-0003-4708-4240; Lusiani,
Alberto/0000-0002-6876-3288; Della Ricca, Giuseppe/0000-0003-2831-6982;
Di Lodovico, Francesca/0000-0003-3952-2175; Pappagallo,
Marco/0000-0001-7601-5602; Oyanguren, Arantza/0000-0002-8240-7300;
Luppi, Eleonora/0000-0002-1072-5633; Patrignani,
Claudia/0000-0002-5882-1747; de Sangro, Riccardo/0000-0002-3808-5455;
Rotondo, Marcello/0000-0001-5704-6163; Neri, Nicola/0000-0002-6106-3756;
Forti, Francesco/0000-0001-6535-7965; Bellini,
Fabio/0000-0002-2936-660X; Saeed, Mohammad Alam/0000-0002-3529-9255;
Negrini, Matteo/0000-0003-0101-6963; Monge, Maria
Roberta/0000-0003-1633-3195
NR 14
TC 3
Z9 3
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 JAN
PY 2008
VL 77
IS 1
AR 011101
DI 10.1103/PhysRevD.77.011101
PG 8
WC Astronomy & Astrophysics; Physics, Particles & Fields
SC Astronomy & Astrophysics; Physics
GA 258JH
UT WOS:000252863700001
ER
PT J
AU Aubert, B
Bona, M
Boutigny, D
Karyotakis, Y
Lees, JP
Poireau, V
Prudent, X
Tisserand, V
Zghiche, A
Tico, JG
Grauges, E
Lopez, L
Palano, A
Pappagallo, M
Eigen, G
Stugu, B
Sun, L
Abrams, GS
Battaglia, M
Brown, DN
Button-Shafer, J
Cahn, RN
Groysman, Y
Jacobsen, RG
Kadyk, JA
Kerth, LT
Kolomensky, YG
Kukartsev, G
Pegna, DL
Lynch, G
Mir, LM
Orimoto, TJ
Osipenkov, IL
Ronan, MT
Tackmann, K
Tanabe, T
Wenzel, WA
Sanchez, PD
Hawkes, CM
Watson, AT
Koch, H
Schroeder, T
Walker, D
Asgeirsson, DJ
Cuhadar-Donszelmann, T
Fulsom, BG
Hearty, C
Mattison, TS
McKenna, JA
Barrett, M
Khan, A
Saleem, M
Teodorescu, L
Blinov, VE
Bukin, AD
Druzhinin, VP
Golubev, VB
Onuchin, AP
Serednyakov, SI
Skovpen, YI
Solodov, EP
Todyshev, KY
Bondioli, M
Curry, S
Eschrich, I
Kirkby, D
Lankford, AJ
Lund, P
Mandelkern, M
Martin, EC
Stoker, DP
Abachi, S
Buchanan, C
Foulkes, SD
Gary, JW
Liu, F
Long, O
Shen, BC
Vitug, GM
Zhang, L
Paar, HP
Rahatlou, S
Sharma, V
Berryhill, JW
Campagnari, C
Cunha, A
Dahmes, B
Hong, TM
Kovalskyi, D
Richman, JD
Beck, TW
Eisner, AM
Flacco, CJ
Heusch, CA
Kroseberg, J
Lockman, WS
Schalk, T
Schumm, BA
Seiden, A
Wilson, MG
Winstrom, LO
Chen, E
Cheng, CH
Fang, F
Hitlin, DG
Narsky, I
Piatenko, T
Porter, FC
Andreassen, R
Mancinelli, G
Meadows, BT
Mishra, K
Sokoloff, MD
Blanc, F
Bloom, PC
Chen, S
Ford, WT
Hirschauer, JF
Kreisel, A
Nagel, M
Nauenberg, U
Olivas, A
Smith, JG
Ulmer, KA
Wagner, SR
Zhang, J
Gabareen, AM
Soffer, A
Toki, WH
Wilson, RJ
Winklmeier, F
Altenburg, DD
Feltresi, E
Hauke, A
Jasper, H
Merkel, J
Petzold, A
Spaan, B
Wacker, K
Klose, V
Kobel, MJ
Lacker, HM
Mader, WF
Nogowski, R
Schubert, J
Schubert, KR
Schwierz, R
Sundermann, JE
Volk, A
Bernard, D
Bonneaud, GR
Latour, E
Lombardo, V
Thiebaux, C
Verderi, M
Clark, PJ
Gradl, W
Muheim, F
Playfer, S
Robertson, AI
Watson, JE
Xie, Y
Andreotti, M
Bettoni, D
Bozzi, C
Calabrese, R
Cecchi, A
Cibinetto, G
Franchini, P
Luppi, E
Negrini, M
Petrella, A
Piemontese, L
Prencipe, E
Santoro, V
Anulli, F
Baldini-Ferroli, R
Calcaterra, A
De Sangro, R
Finocchiaro, G
Pacetti, S
Patteri, P
Peruzzi, IM
Piccolo, M
Rama, M
Zallo, A
Buzzo, A
Contri, R
Lo Vetere, M
Macri, MM
Monge, MR
Passaggio, S
Patrignani, C
Robutti, E
Santroni, A
Tosi, S
Chaisanguanthum, KS
Morii, M
Wu, J
Dubitzky, RS
Marks, J
Schenk, S
Uwer, U
Bard, DJ
Dauncey, PD
Flack, RL
Nash, JA
Vazquez, WP
Tibbetts, M
Behera, PK
Chai, X
Charles, MJ
Mallik, U
Cochran, J
Crawley, HB
Dong, L
Eyges, V
Meyer, WT
Prell, S
Rosenberg, EI
Rubin, AE
Gao, YY
Gritsan, AV
Guo, ZJ
Lae, CK
Denig, AG
Fritsch, M
Schott, G
Arnaud, N
Bequilleux, J
D'Orazio, A
Davier, M
Grosdidier, G
Hocker, A
Lepeltier, V
Le Diberder, F
Lutz, AM
Pruvot, S
Rodier, S
Roudeau, P
Schune, MH
Serrano, J
Sordini, V
Stocchi, A
Wang, WF
Wormser, G
Lange, DJ
Wright, DM
Bingham, I
Burke, JP
Chavez, CA
Fry, JR
Gabathuler, E
Gamet, R
Hutchcroft, DE
Payne, DJ
Schofield, KC
Touramanis, C
Bevan, AJ
George, KA
Di Lodovico, F
Sacco, R
Cowan, G
Flaecher, HU
Hopkins, DA
Paramesvaran, S
Salvatore, F
Wren, AC
Brown, DN
Davis, CL
Allison, J
Bailey, D
Barlow, NR
Barlow, RJ
Chia, YM
Edgar, CL
Lafferty, GD
West, TJ
Yi, JI
Anderson, J
Chen, C
Jawahery, A
Roberts, DA
Simi, G
Tuggle, JM
Blaylock, G
Dallapiccola, C
Hertzbach, SS
Li, X
Moore, TB
Salvati, E
Saremi, S
Cowan, R
Dujmic, D
Fisher, PH
Koeneke, K
Sciolla, G
Spitznagel, M
Taylor, F
Yamamoto, RK
Zhao, M
Zheng, Y
Mclachlin, SE
Patel, PM
Robertson, SH
Lazzaro, A
Palombo, F
Bauer, JM
Cremaldi, L
Eschenburg, V
Godang, R
Kroeger, R
Sanders, DA
Summers, DJ
Zhao, HW
Brunet, S
Cote, D
Simard, M
Taras, P
Viaud, FB
Nicholson, H
De Nardo, G
Fabozzi, F
Lista, L
Monorchio, D
Onorato, G
Sciacca, C
Baak, MA
Raven, G
Snoek, HL
Jessop, CP
Knoepfel, KJ
LoSecco, JM
Benelli, G
Corwin, LA
Honscheid, K
Kagan, H
Kass, R
Morris, JP
Rahimi, AM
Regensburger, JJ
Sekula, SJ
Wong, QK
Blount, NL
Brau, J
Frey, R
Igonkina, O
Kolb, JA
Lu, M
Rahmat, R
Sinev, NB
Strom, D
Strube, J
Torrence, E
Gagliardi, N
Gaz, A
Margoni, M
Morandin, M
Pompili, A
Posocco, M
Rotondo, M
Simonetto, F
Stroili, R
Voci, C
Ben-Haim, E
Briand, H
Calderini, G
Chauveau, J
David, P
Del Buono, L
De la Vaissiere, C
Hamon, O
Leruste, P
Malcles, J
Ocariz, J
Perez, A
Prendki, J
Gladney, L
Biasini, M
Covarelli, R
Manoni, E
Angelini, C
Batignani, G
Bettarini, S
Carpinelli, M
Cenci, R
Cervelli, A
Forti, F
Giorgi, MA
Lusiani, A
Marchiori, G
Mazur, MA
Morganti, M
Neri, N
Paoloni, E
Rizzo, G
Walsh, JJ
Biesiada, J
Elmer, P
Lau, YP
Lu, C
Olsen, J
Smith, AJS
Telnov, AV
Baracchini, E
Bellini, F
Cavoto, G
Del Re, D
Di Marco, E
Faccini, R
Ferrarotto, F
Ferroni, F
Gaspero, M
Jackson, PD
Gioi, LL
Mazzoni, MA
Morganti, S
Piredda, G
Polci, F
Renga, F
Voena, C
Ebert, M
Hartmann, T
Schroder, H
Waldi, R
Adye, T
Castelli, G
Franek, B
Olaiya, EO
Roethel, W
Wilson, FF
Emery, S
Escalier, M
Gaidot, A
Ganzhur, SF
De Monchenault, GH
Kozanecki, W
Vasseur, G
Che, CY
Zito, M
Chen, XR
Liu, H
Park, W
Purohit, MV
White, RM
Wilson, JR
Allen, MT
Aston, D
Bartoldus, R
Bechtle, P
Claus, R
Coleman, JP
Convery, MR
Dingfelder, JC
Dorfan, J
Dubois-Felsmann, GP
Dunwoodie, W
Field, RC
Glanzman, T
Gowdy, SJ
Graham, MT
Grenier, P
Hast, C
Innes, WR
Kaminski, J
Kelsey, MH
Kim, H
Kim, P
Kocian, ML
Leith, DWGS
Li, S
Luitz, S
Luth, V
Lynch, HL
MacFarlane, DB
Marsiske, H
Messner, R
Muller, DR
O'Grady, CP
Ofte, I
Perazzo, A
Perl, M
Pulliam, T
Ratcliff, BN
Roodman, A
Salnikov, AA
Schindler, RH
Schwiening, J
Snyder, A
Su, D
Sullivan, MK
Suzuki, K
Swain, SK
Thompson, JM
Va'vra, J
Wagner, AP
Weaver, M
Wisniewski, WJ
Wittgen, M
Wright, DH
Yarritu, AK
Yi, K
Young, CC
Ziegler, V
Burchat, PR
Edwards, AJ
Majewski, SA
Miyashita, TS
Petersen, BA
Wilden, L
Ahmed, S
Alam, MS
Bula, R
Ernst, JA
Jain, V
Pan, B
Saeed, MA
Wappler, FR
Zain, SB
Krishnamurthy, M
Spanier, SM
Eckmann, R
Ritchie, JL
Ruland, AM
Schilling, CJ
Schwitters, RF
Izen, JM
Lou, XC
Ye, S
Bianchi, F
Gallo, F
Gamba, D
Pelliccioni, M
Bomben, M
Bosisio, L
Cartaro, C
Cossutti, F
Della Ricca, G
Lanceri, L
Vitale, L
Azzolini, V
Lopez-March, N
Martinez-Vidal, F
Milanes, DA
Oyanguren, A
Albert, J
Banerjee, S
Bhuyan, B
Hamano, K
Kowalewski, R
Nugent, IM
Roney, JM
Sobie, RJ
Harrison, PF
Ilic, J
Latham, TE
Mohanty, GB
Band, HR
Chen, X
Dasu, S
Flood, KT
Hollar, JJ
Kutter, PE
Pan, Y
Pierini, M
Prepost, R
Wu, SL
Neal, H
AF Aubert, B.
Bona, M.
Boutigny, D.
Karyotakis, Y.
Lees, J. P.
Poireau, V.
Prudent, X.
Tisserand, V.
Zghiche, A.
Tico, J. Garra
Grauges, E.
Lopez, L.
Palano, A.
Pappagallo, M.
Eigen, G.
Stugu, B.
Sun, L.
Abrams, G. S.
Battaglia, M.
Brown, D. N.
Button-Shafer, J.
Cahn, R. N.
Groysman, Y.
Jacobsen, R. G.
Kadyk, J. A.
Kerth, L. T.
Kolomensky, Yu. G.
Kukartsev, G.
Pegna, D. Lopes
Lynch, G.
Mir, L. M.
Orimoto, T. J.
Osipenkov, I. L.
Ronan, M. T.
Tackmann, K.
Tanabe, T.
Wenzel, W. A.
Sanchez, P. Del Amo
Hawkes, C. M.
Watson, A. T.
Koch, H.
Schroeder, T.
Walker, D.
Asgeirsson, D. J.
Cuhadar-Donszelmann, T.
Fulsom, B. G.
Hearty, C.
Mattison, T. S.
McKenna, J. A.
Barrett, M.
Khan, A.
Saleem, M.
Teodorescu, L.
Blinov, V. E.
Bukin, A. D.
Druzhinin, V. P.
Golubev, V. B.
Onuchin, A. P.
Serednyakov, S. I.
Skovpen, Yu. I.
Solodov, E. P.
Todyshev, K. Yu.
Bondioli, M.
Curry, S.
Eschrich, I.
Kirkby, D.
Lankford, A. J.
Lund, P.
Mandelkern, M.
Martin, E. C.
Stoker, D. P.
Abachi, S.
Buchanan, C.
Foulkes, S. D.
Gary, J. W.
Liu, F.
Long, O.
Shen, B. C.
Vitug, G. M.
Zhang, L.
Paar, H. P.
Rahatlou, S.
Sharma, V.
Berryhill, J. W.
Campagnari, C.
Cunha, A.
Dahmes, B.
Hong, T. M.
Kovalskyi, D.
Richman, J. D.
Beck, T. W.
Eisner, A. M.
Flacco, C. J.
Heusch, C. A.
Kroseberg, J.
Lockman, W. S.
Schalk, T.
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TI Search for B+->tau(+)nu decays with hadronic B tags
SO PHYSICAL REVIEW D
LA English
DT Article
ID PHYSICS
AB We present a search for the decay B+->tau(+)nu using 383x10(6) B (B) over bar pairs collected at the Upsilon(4S) resonance with the BABAR detector at the SLAC PEP-II B Factory. We select a sample of events with one completely reconstructed tag B in a hadronic decay mode (B-->(DX-)-X-(*)0), and examine the rest of the event to search for a B+->tau(+)nu decay. We identify the tau lepton in the following modes: tau(+)-> e(+)nunu, tau(+)->mu(+)nu(nu) over bar, tau(+)->pi(+)(nu) over bar, and tau(+)->pi(+)pi(0)(nu) over bar. We find a 2.2 sigma excess in data and measure a branching fraction of B(B+->tau(+)nu)=(1.8(-0.8)(+0.9)(stat.)+/- 0.4(bkg. syst.)+/- 0.2(other syst.))x10(-4). We calculate the product of the B meson decay constant f(B) and [V-ub] to be f(B)center dot[V-ub]=(10.1(-2.5)(+2.3)(stat.)(-1.5)(+1.2)(syst.))x10(-4) GeV.
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[Biasini, M.; Covarelli, R.; Manoni, E.] Univ Perugia, Dipartimento Fis, I-06100 Perugia, Italy.
[Biasini, M.; Covarelli, R.; Manoni, E.] Ist Nazl Fis Nucl, I-06100 Perugia, Italy.
[Angelini, C.; Batignani, G.; Bettarini, S.; Carpinelli, M.; Cenci, R.; Cervelli, A.; Forti, F.; Giorgi, M. A.; Lusiani, A.; Marchiori, G.; Mazur, M. A.; Morganti, M.; Neri, N.; Paoloni, E.; Rizzo, G.; Walsh, J. J.] Univ Pisa, Dipartimento Fis, I-56127 Pisa, Italy.
[Angelini, C.; Batignani, G.; Bettarini, S.; Carpinelli, M.; Cenci, R.; Cervelli, A.; Forti, F.; Giorgi, M. A.; Lusiani, A.; Marchiori, G.; Mazur, M. A.; Morganti, M.; Neri, N.; Paoloni, E.; Rizzo, G.; Walsh, J. J.] Ist Nazl Fis Nucl, I-56127 Pisa, Italy.
[Biesiada, J.; Elmer, P.; Lau, Y. P.; Lu, C.; Olsen, J.; Smith, A. J. S.; Telnov, A. V.] Princeton Univ, Princeton, NJ 08544 USA.
[Baracchini, E.; Bellini, F.; Cavoto, G.; Del Re, D.; Di Marco, E.; Faccini, R.; Ferrarotto, F.; Ferroni, F.; Gaspero, M.; Jackson, P. D.; Gioi, L. Li; Mazzoni, M. A.; Morganti, S.; Piredda, G.; Polci, F.; Renga, F.; Voena, C.] Univ Roma La Sapienza, Dipartimento Fis, I-00185 Rome, Italy.
[Baracchini, E.; Bellini, F.; Cavoto, G.; Del Re, D.; Di Marco, E.; Faccini, R.; Ferrarotto, F.; Ferroni, F.; Gaspero, M.; Jackson, P. D.; Gioi, L. Li; Mazzoni, M. A.; Morganti, S.; Piredda, G.; Polci, F.; Renga, F.; Voena, C.; Ebert, M.] Ist Nazl Fis Nucl, I-00185 Rome, Italy.
[Ebert, M.; Hartmann, T.; Schroder, H.; Waldi, R.] Univ Rostock, D-18051 Rostock, Germany.
[Adye, T.; Castelli, G.; Franek, B.; Olaiya, E. O.; Roethel, W.; Wilson, F. F.] Rutherford Appleton Lab, Didcot OX11 0QX, Oxon, England.
[Emery, S.; Escalier, M.; Gaidot, A.; Ganzhur, S. F.; De Monchenault, G. Hamel; Kozanecki, W.; Vasseur, G.; Che, Ch. Ye; Zito, M.] CEA Saclay, DSM Dapnia, F-91191 Gif Sur Yvette, France.
[Chen, X. R.; Liu, H.; Park, W.; Purohit, M. V.; White, R. M.; Wilson, J. R.] Univ S Carolina, Columbia, SC 29208 USA.
[Allen, M. T.; Aston, D.; Bartoldus, R.; Bechtle, P.; Claus, R.; Coleman, J. P.; Convery, M. R.; Dingfelder, J. C.; Dorfan, J.; Dubois-Felsmann, G. P.; Dunwoodie, W.; Field, R. C.; Glanzman, T.; Gowdy, S. J.; Graham, M. T.; Grenier, P.; Hast, C.; Innes, W. R.; Kaminski, J.; Kelsey, M. H.; Kim, H.; Kim, P.; Kocian, M. L.; Leith, D. W. G. S.; Li, S.; Luitz, S.; Luth, V.; Sullivan, M. K.; Suzuki, K.; Swain, S. K.; Thompson, J. M.; Va'vra, J.; Wagner, A. P.; Weaver, M.; Wisniewski, W. J.; Wittgen, M.; Wright, D. H.; Yarritu, A. K.; Yi, K.; Young, C. C.; Ziegler, V.] Stanford Linear Accelerator Ctr, Stanford, CA 94309 USA.
[Burchat, P. R.; Edwards, A. J.; Majewski, S. A.; Miyashita, T. S.; Petersen, B. A.; Wilden, L.] Stanford Univ, Stanford, CA 94305 USA.
[Ahmed, S.; Alam, M. S.; Bula, R.; Ernst, J. A.; Jain, V.; Pan, B.; Saeed, M. A.; Wappler, F. R.; Zain, S. B.] SUNY Albany, Albany, NY 12222 USA.
[Krishnamurthy, M.; Spanier, S. M.] Univ Tennessee, Knoxville, TN 37996 USA.
[Eckmann, R.; Ritchie, J. L.; Ruland, A. M.; Schilling, C. J.; Schwitters, R. F.] Univ Texas Austin, Austin, TX 78712 USA.
[Izen, J. M.; Lou, X. C.; Ye, S.] Univ Texas Dallas, Richardson, TX 75083 USA.
[Bianchi, F.; Gallo, F.; Gamba, D.; Pelliccioni, M.] Univ Turin, Dipartimento Fis, I-10125 Turin, Italy.
[Bianchi, F.; Gallo, F.; Gamba, D.; Pelliccioni, M.] Ist Nazl Fis Nucl, I-10125 Turin, Italy.
[Bomben, M.; Bosisio, L.; Cartaro, C.; Cossutti, F.; Della Ricca, G.; Lanceri, L.; Vitale, L.] Univ Trieste, Dipartimento Fis, I-34127 Trieste, Italy.
[Azzolini, V.; Lopez-March, N.; Martinez-Vidal, F.; Milanes, D. A.; Oyanguren, A.] Univ Valencia, CSIC, IFIC, E-46071 Valencia, Spain.
[Albert, J.; Banerjee, Sw.; Bhuyan, B.; Hamano, K.; Kowalewski, R.; Nugent, I. M.; Roney, J. M.; Sobie, R. J.] Univ Victoria, Victoria, BC V8W 3P6, Canada.
[Harrison, P. F.; Ilic, J.; Latham, T. E.; Mohanty, G. B.] Univ Warwick, Dept Phys, Coventry CV4 7AL, W Midlands, England.
[Band, H. R.; Chen, X.; Dasu, S.; Flood, K. T.; Hollar, J. J.; Kutter, P. E.; Pan, Y.; Pierini, M.; Prepost, R.; Wu, S. L.] Univ Wisconsin, Madison, WI 53706 USA.
[Neal, H.] Yale Univ, New Haven, CT 06511 USA.
[Abachi, S.; Buchanan, C.] Univ Calif Los Angeles, Los Angeles, CA 90024 USA.
[Foulkes, S. D.; Gary, J. W.; Liu, F.; Long, O.; Shen, B. C.; Vitug, G. M.; Zhang, L.] Univ Calif Riverside, Riverside, CA 92521 USA.
RP Aubert, B (reprint author), IN2P3, CNRS, Phys Particules Lab, F-74941 Annecy Le Vieux, France.
RI Calcaterra, Alessandro/P-5260-2015; Frey, Raymond/E-2830-2016; Luppi,
Eleonora/A-4902-2015; White, Ryan/E-2979-2015; Calabrese,
Roberto/G-4405-2015; Mir, Lluisa-Maria/G-7212-2015; Martinez Vidal,
F*/L-7563-2014; Kolomensky, Yury/I-3510-2015; Lo Vetere,
Maurizio/J-5049-2012; Lusiani, Alberto/N-2976-2015; Morandin,
Mauro/A-3308-2016; Lusiani, Alberto/A-3329-2016; Di Lodovico,
Francesca/L-9109-2016; Pappagallo, Marco/R-3305-2016; Lista,
Luca/C-5719-2008; Bellini, Fabio/D-1055-2009; Negrini,
Matteo/C-8906-2014; Monge, Maria Roberta/G-9127-2012; Oyanguren,
Arantza/K-6454-2014; Patrignani, Claudia/C-5223-2009; Saeed, Mohammad
Alam/J-7455-2012; de Sangro, Riccardo/J-2901-2012; Rotondo,
Marcello/I-6043-2012; Neri, Nicola/G-3991-2012; Della Ricca,
Giuseppe/B-6826-2013; Forti, Francesco/H-3035-2011
OI Calcaterra, Alessandro/0000-0003-2670-4826; Frey,
Raymond/0000-0003-0341-2636; Raven, Gerhard/0000-0002-2897-5323; Luppi,
Eleonora/0000-0002-1072-5633; White, Ryan/0000-0003-3589-5900;
Calabrese, Roberto/0000-0002-1354-5400; Mir,
Lluisa-Maria/0000-0002-4276-715X; Martinez Vidal,
F*/0000-0001-6841-6035; Kolomensky, Yury/0000-0001-8496-9975; Lo Vetere,
Maurizio/0000-0002-6520-4480; Lusiani, Alberto/0000-0002-6876-3288;
Morandin, Mauro/0000-0003-4708-4240; Lusiani,
Alberto/0000-0002-6876-3288; Di Lodovico, Francesca/0000-0003-3952-2175;
Pappagallo, Marco/0000-0001-7601-5602; Bellini,
Fabio/0000-0002-2936-660X; Negrini, Matteo/0000-0003-0101-6963; Monge,
Maria Roberta/0000-0003-1633-3195; Oyanguren,
Arantza/0000-0002-8240-7300; Patrignani, Claudia/0000-0002-5882-1747;
Saeed, Mohammad Alam/0000-0002-3529-9255; de Sangro,
Riccardo/0000-0002-3808-5455; Rotondo, Marcello/0000-0001-5704-6163;
Neri, Nicola/0000-0002-6106-3756; Della Ricca,
Giuseppe/0000-0003-2831-6982; Forti, Francesco/0000-0001-6535-7965
NR 18
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 JAN
PY 2008
VL 77
IS 1
AR 011107
DI 10.1103/PhysRevD.77.011107
PG 9
WC Astronomy & Astrophysics; Physics, Particles & Fields
SC Astronomy & Astrophysics; Physics
GA 258JH
UT WOS:000252863700007
ER
PT J
AU Aubert, B
Bona, M
Boutigny, D
Karyotakis, Y
Lees, JP
Poireau, V
Prudent, X
Tisserand, V
Zghiche, A
Tico, JG
Grauges, E
Lopez, L
Palano, A
Eigen, G
Stugu, B
Sun, L
Abrams, GS
Battaglia, M
Brown, DN
Button-Shafer, J
Cahn, RN
Groysman, Y
Jacobsen, RG
Kadyk, JA
Kerth, LT
Kolomensky, YG
Kukartsev, G
Pegna, DL
Lynch, G
Mir, LM
Orimoto, TJ
Ronan, MT
Tackmann, K
Wenzel, WA
Sanchez, PDA
Hawkes, CM
Watson, AT
Held, T
Koch, H
Lewandowski, B
Pelizaeus, M
Schroeder, T
Steinke, M
Walker, D
Asgeirsson, DJ
Cuhadar-Donszelmann, T
Fulsom, BG
Hearty, C
Mattison, TS
McKenna, JA
Khan, A
Saleem, M
Teodorescu, L
Blinov, VE
Bukin, AD
Druzhinin, VP
Golubev, VB
Onuchin, AP
Serednyakov, SI
Skovpen, YI
Solodov, EP
Todyshev, KY
Bondioli, M
Curry, S
Eschrich, I
Kirkby, D
Lankford, AJ
Lund, P
Mandelkern, M
Martin, EC
Stoker, DP
Abachi, S
Buchanan, C
Foulkes, SD
Gary, JW
Liu, F
Long, O
Shen, BC
Zhang, L
Paar, HP
Rahatlou, S
Sharma, V
Berryhill, JW
Campagnari, C
Cunha, A
Dahmes, B
Hong, TM
Kovalskyi, D
Richman, JD
Beck, TW
Eisner, AM
Flacco, CJ
Heusch, CA
Kroseberg, J
Lockman, WS
Schalk, T
Schumm, BA
Seiden, A
Wilson, MG
Winstrom, LO
Chen, E
Cheng, CH
Fang, F
Hitlin, DG
Narsky, I
Piatenko, T
Porter, FC
Andreassen, R
Mancinelli, G
Meadows, BT
Mishra, K
Sokoloff, MD
Blanc, F
Bloom, PC
Chen, S
Ford, WT
Hirschauer, JF
Kreisel, A
Nagel, M
Nauenberg, U
Olivas, A
Smith, JG
Ulmer, KA
Wagner, SR
Zhang, J
Gabareen, AM
Soffer, A
Toki, WH
Wilson, RJ
Winklmeier, F
Altenburg, DD
Feltresi, E
Hauke, A
Jasper, H
Merkel, J
Petzold, A
Spaan, B
Wacker, K
Klose, V
Kobel, MJ
Lacker, HM
Mader, WF
Nogowski, R
Schubert, J
Schubert, KR
Schwierz, R
Sundermann, JE
Volk, A
Bernard, D
Bonneaud, GR
Latour, E
Lombardo, V
Thiebaux, C
Verderi, M
Clark, PJ
Gradl, W
Muheim, F
Playfer, S
Robertson, AI
Xie, Y
Andreotti, M
Bettoni, D
Bozzi, C
Calabrese, R
Cecchi, A
Cibinetto, G
Franchini, P
Luppi, E
Negrini, M
Petrella, A
Piemontese, L
Prencipe, E
Santoro, V
Anulli, F
Baldini-Ferroli, R
Calcaterra, A
De Sangro, R
Finocchiaro, G
Pacetti, S
Patteri, P
Peruzzi, IM
Piccolo, M
Rama, M
Zallo, A
Buzzo, A
Contri, R
Lo Vetere, M
Macri, MM
Monge, MR
Passaggio, S
Patrignani, C
Robutti, E
Santroni, A
Tosi, S
Chaisanguanthum, KS
Morii, M
Wu, J
Dubitzky, RS
Marks, J
Schenk, S
Uwer, U
Bard, DJ
Dauncey, PD
Flack, RL
Nash, JA
Vazquez, WP
Tibbetts, M
Behera, PK
Chai, X
Charles, MJ
Mallik, U
Ziegler, V
Cochran, J
Crawley, HB
Dong, L
Eyges, V
Meyer, WT
Prell, S
Rosenberg, EI
Rubin, AE
Gao, YY
Gritsan, AV
Guo, ZJ
Lae, CK
Denig, AG
Fritsch, M
Schott, G
Arnaud, N
Bequilleux, J
Davier, M
Grosdidier, G
Hocker, A
Lepeltier, V
Le Diberder, F
Lutz, AM
Pruvot, S
Rodier, S
Roudeau, P
Schune, MH
Serrano, J
Sordini, V
Stocchi, A
Wang, WF
Wormser, G
Lange, DJ
Wright, DM
Bingham, I
Chavez, CA
Forster, IJ
Fry, JR
Gabathuler, E
Gamet, R
Hutchcroft, DE
Payne, DJ
Schofield, KC
Touramanis, C
Bevan, AJ
George, KA
Di Lodovico, F
Menges, W
Sacco, R
Cowan, G
Flaecher, HU
Hopkins, DA
Paramesvaran, S
Salvatore, F
Wren, AC
Brown, DN
Davis, CL
Allison, J
Barlow, NR
Barlow, RJ
Chia, YM
Edgar, CL
Lafferty, GD
West, TJ
Yi, JI
Anderson, J
Chen, C
Jawahery, A
Roberts, DA
Simi, G
Tuggle, JM
Blaylock, G
Dallapiccola, C
Hertzbach, SS
Li, X
Moore, TB
Salvati, E
Saremi, S
Cowan, R
Dujmic, D
Fisher, PH
Koeneke, K
Sciolla, G
Sekula, SJ
Spitznagel, M
Taylor, F
Yamamoto, RK
Zhao, M
Zheng, Y
Mclachlin, SE
Patel, PM
Robertson, SH
Lazzaro, A
Palombo, F
Bauer, JM
Cremaldi, L
Eschenburg, V
Godang, R
Kroeger, R
Sanders, DA
Summers, DJ
Zhao, HW
Brunet, S
Cote, D
Simard, M
Taras, P
Viaud, FB
Nicholson, H
De Nardo, G
Fabozzi, F
Lista, L
Monorchio, D
Sciacca, C
Baak, MA
Raven, G
Snoek, HL
Jessop, CP
LoSecco, JM
Benelli, G
Corwin, LA
Honscheid, K
Kagan, H
Kass, R
Morris, JP
Rahimi, AM
Regensburger, JJ
Wong, QK
Blount, NL
Brau, J
Frey, R
Igonkina, O
Kolb, JA
Lu, M
Rahmat, R
Sinev, NB
Strom, D
Strube, J
Torrence, E
Gagliardi, N
Gaz, A
Margoni, M
Morandin, M
Pompili, A
Posocco, M
Rotondo, M
Simonetto, F
Stroili, R
Voci, C
Ben-Haim, E
Briand, H
Calderini, G
Chauveau, J
David, P
Del Buono, L
de la Vaissiere, C
Hamon, O
Leruste, P
Marks, J
Ocariz, J
Perez, A
Gladney, L
Biasini, M
Covarelli, R
Manoni, E
Angelini, C
Batignani, G
Bettarini, S
Carpinelli, M
Cenci, R
Cervelli, A
Forti, F
Giorgi, MA
Lusiani, A
Marchiori, G
Mazur, MA
Morganti, M
Neri, N
Paoloni, E
Rizzo, G
Walsh, JJ
Haire, M
Biesiada, J
Elmer, P
Lau, YP
Lu, C
Olsen, J
Smith, AJS
Telnov, AV
Baracchini, E
Bellini, F
Cavoto, G
D'Orazio, A
del Re, D
Di Marco, E
Faccini, R
Ferrarotto, F
Ferroni, F
Gaspero, M
Jackson, PD
Gioi, LL
Mazzoni, MA
Morganti, S
Piredda, G
Polci, F
Renga, F
Voena, C
Ebert, M
Hartmann, T
Schroder, H
Waldi, R
Adye, T
Castelli, G
Franek, B
Olaiya, EO
Ricciardi, S
Roethel, W
Wilson, FF
Aleksan, R
Emery, S
Escalier, M
Gaidot, A
Ganzhur, SF
de Monchenault, GH
Kozanecki, W
Vasseur, G
Yeche, C
Zito, M
Chen, XR
Liu, H
Park, W
Purohit, MV
Wilson, JR
Allen, MT
Aston, D
Bartoldus, R
Bechtle, P
Berger, N
Claus, R
Coleman, JP
Convery, MR
Dingfelder, JC
Dorfan, J
Dubois-Felsmann, GP
Dunwoodie, W
Field, RC
Glanzman, T
Gowdy, SJ
Graham, MT
Grenier, P
Hast, C
Hryn'ova, T
Innes, WR
Kaminski, J
Kelsey, MH
Kim, H
Kim, P
Kocian, ML
Leith, DWGS
Li, S
Luitz, S
Luth, V
Lynch, HL
MacFarlane, DB
Marsiske, H
Messner, R
Muller, DR
O'Grady, CP
Ofte, I
Perazzo, A
Perl, M
Pulliam, T
Ratcliff, BN
Roodman, A
Salnikov, AA
Schindler, RH
Schwiening, J
Snyder, A
Stelzer, J
Su, D
Sullivan, MK
Suzuki, K
Swain, SK
Thompson, JM
Va'vra, J
van Bakel, N
Wagner, AP
Weaver, M
Wisniewski, WJ
Wittgen, M
Wright, DH
Yarritu, AK
Yi, K
Young, CC
Burchat, PR
Edwards, AJ
Majewski, SA
Petersen, BA
Wilden, L
Ahmed, S
Alam, MS
Bula, R
Ernst, JA
Jain, V
Pan, B
Saeed, MA
Wappler, FR
Zain, SB
Bugg, W
Krishnamurthy, M
Spanier, SM
Eckmann, R
Ritchie, JL
Ruland, AM
Schilling, CJ
Schwitters, RF
Izen, JM
Lou, XC
Ye, S
Bianchi, F
Gallo, F
Gamba, D
Pelliccioni, M
Bomben, M
Bosisio, L
Cartaro, C
Cossutti, F
Della Ricca, G
Lanceri, L
Vitale, L
Azzolini, V
Lopez-March, N
Martinez-Vidal, F
Milanes, DA
Oyanguren, A
Albert, J
Banerjee, S
Bhuyan, B
Hamano, K
Kowalewski, R
Nugent, IM
Roney, JM
Sobie, RJ
Harrison, PF
Ilic, J
Latham, TE
Mohanty, GB
Pappagallo, M
Band, HR
Chen, X
Dasu, S
Flood, KT
Hollar, JJ
Kutter, PE
Pan, Y
Pierini, M
Prepost, R
Wu, SL
Neal, H
AF Aubert, B.
Bona, M.
Boutigny, D.
Karyotakis, Y.
Lees, J. P.
Poireau, V.
Prudent, X.
Tisserand, V.
Zghiche, A.
Tico, J. Garra
Grauges, E.
Lopez, L.
Palano, A.
Eigen, G.
Stugu, B.
Sun, L.
Abrams, G. S.
Battaglia, M.
Brown, D. N.
Button-Shafer, J.
Cahn, R. N.
Groysman, Y.
Jacobsen, R. G.
Kadyk, J. A.
Kerth, L. T.
Kolomensky, Yu. G.
Kukartsev, G.
Pegna, D. Lopes
Lynch, G.
Mir, L. M.
Orimoto, T. J.
Ronan, M. T.
Tackmann, K.
Wenzel, W. A.
Sanchez, P. Del Amo
Hawkes, C. M.
Watson, A. T.
Held, T.
Koch, H.
Lewandowski, B.
Pelizaeus, M.
Schroeder, T.
Steinke, M.
Walker, D.
Asgeirsson, D. J.
Cuhadar-Donszelmann, T.
Fulsom, B. G.
Hearty, C.
Mattison, T. S.
McKenna, J. A.
Khan, A.
Saleem, M.
Teodorescu, L.
Blinov, V. E.
Bukin, A. D.
Druzhinin, V. P.
Golubev, V. B.
Onuchin, A. P.
Serednyakov, S. I.
Skovpen, Yu. I.
Solodov, E. P.
Todyshev, K. Yu.
Bondioli, M.
Curry, S.
Eschrich, I.
Kirkby, D.
Lankford, A. J.
Lund, P.
Mandelkern, M.
Martin, E. C.
Stoker, D. P.
Abachi, S.
Buchanan, C.
Foulkes, S. D.
Gary, J. W.
Liu, F.
Long, O.
Shen, B. C.
Zhang, L.
Paar, H. P.
Rahatlou, S.
Sharma, V.
Berryhill, J. W.
Campagnari, C.
Cunha, A.
Dahmes, B.
Hong, T. M.
Kovalskyi, D.
Richman, J. D.
Beck, T. W.
Eisner, A. M.
Flacco, C. J.
Heusch, C. A.
Kroseberg, J.
Lockman, W. S.
Schalk, T.
Schumm, B. A.
Seiden, A.
Wilson, M. G.
Winstrom, L. O.
Chen, E.
Cheng, C. H.
Fang, F.
Hitlin, D. G.
Narsky, I.
Piatenko, T.
Porter, F. C.
Andreassen, R.
Mancinelli, G.
Meadows, B. T.
Mishra, K.
Sokoloff, M. D.
Blanc, F.
Bloom, P. C.
Chen, S.
Ford, W. T.
Hirschauer, J. F.
Kreisel, A.
Nagel, M.
Nauenberg, U.
Olivas, A.
Smith, J. G.
Ulmer, K. A.
Wagner, S. R.
Zhang, J.
Gabareen, A. M.
Soffer, A.
Toki, W. H.
Wilson, R. J.
Winklmeier, F.
Altenburg, D. D.
Feltresi, E.
Hauke, A.
Jasper, H.
Merkel, J.
Petzold, A.
Spaan, B.
Wacker, K.
Klose, V.
Kobel, M. J.
Lacker, H. M.
Mader, W. F.
Nogowski, R.
Schubert, J.
Schubert, K. R.
Schwierz, R.
Sundermann, J. E.
Volk, A.
Bernard, D.
Bonneaud, G. R.
Latour, E.
Lombardo, V.
Thiebaux, Ch.
Verderi, M.
Clark, P. J.
Gradl, W.
Muheim, F.
Playfer, S.
Robertson, A. I.
Xie, Y.
Andreotti, M.
Bettoni, D.
Bozzi, C.
Calabrese, R.
Cecchi, A.
Cibinetto, G.
Franchini, P.
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TI Search for the decays B-0 -> e(+)e(-)gamma and B-0 ->mu(+)mu(-)gamma
SO PHYSICAL REVIEW D
LA English
DT Article
AB We present results of a search for the decays B-0 -> l(+)l(-)gamma (l=e or mu). The search is performed using 320x10(6) B (B) over bar pairs collected at the Upsilon(4S) resonance with the BABAR detector at the PEP-II B Factory at SLAC. We find no significant signal and set the following branching fraction upper limits at the 90% confidence level: B(B-0 -> e(+)e(-)gamma)< 1.2x10(-7) and B(B-0 ->mu(+)mu(-)gamma)< 1.6x10(-7).
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[Waldi, R.; Adye, T.; Castelli, G.; Franek, B.; Olaiya, E. O.; Ricciardi, S.; Roethel, W.; Wilson, F. F.] Rutherford Appleton Lab, Didcot OX11 0QX, Oxon, England.
[Aleksan, R.; Emery, S.; Escalier, M.; Gaidot, A.; Ganzhur, S. F.; de Monchenault, G. Hamel; Kozanecki, W.; Vasseur, G.; Yeche, Ch.; Zito, M.] CEA Saclay, DSM Dapnia, F-91191 Gif Sur Yvette, France.
[Liu, F.; Chen, X. R.; Liu, H.; Park, W.; Purohit, M. V.; Wilson, J. R.] Univ S Carolina, Columbia, SC 29208 USA.
[Lynch, G.; Gradl, W.; Allen, M. T.; Aston, D.; Bartoldus, R.; Bechtle, P.; Berger, N.; Claus, R.; Coleman, J. P.; Convery, M. R.; Dingfelder, J. C.; Dorfan, J.; Dubois-Felsmann, G. P.; Dunwoodie, W.; Field, R. C.; Glanzman, T.; Gowdy, S. J.; Graham, M. T.; Grenier, P.; Hast, C.; Hryn'ova, T.; Innes, W. R.; Kaminski, J.; Kelsey, M. H.; Kim, H.; Kim, P.; Kocian, M. L.; Leith, D. W. G. S.; Luitz, S.; Luth, V.; MacFarlane, D. B.; Marsiske, H.; Messner, R.; Muller, D. R.; O'Grady, C. P.; Ofte, I.; Perazzo, A.; Perl, M.; Pulliam, T.; Ratcliff, B. N.; Roodman, A.; Salnikov, A. A.; Schindler, R. H.; Schwiening, J.; Snyder, A.; Stelzer, J.; Su, D.; Sullivan, M. K.; Suzuki, K.; Swain, S. K.; Thompson, J. M.; Va'vra, J.; van Bakel, N.; Wagner, A. P.; Weaver, M.; Wisniewski, W. J.; Wittgen, M.; Wright, D. H.; Yarritu, A. K.; Yi, K.; Young, C. C.] Stanford Linear Accelerator Ctr, Stanford, CA 94309 USA.
[Burchat, P. R.; Edwards, A. J.; Majewski, S. A.; Petersen, B. A.; Wilden, L.] Stanford Univ, Stanford, CA 94305 USA.
[Wilden, L.; Ahmed, S.; Alam, M. S.; Bula, R.; Ernst, J. A.; Jain, V.; Pan, B.; Saeed, M. A.; Wappler, F. R.; Zain, S. B.] SUNY Albany, Albany, NY 12222 USA.
[Bugg, W.; Krishnamurthy, M.; Spanier, S. M.] Univ Tennessee, Knoxville, TN 37996 USA.
[Eckmann, R.; Ritchie, J. L.; Ruland, A. M.; Schilling, C. J.; Schwitters, R. F.] Univ Texas Austin, Austin, TX 78712 USA.
[Izen, J. M.; Lou, X. C.; Ye, S.] Univ Texas Dallas, Richardson, TX 75083 USA.
[Bianchi, F.; Gallo, F.] Ist Nazl Fis Nucl, I-10125 Turin, Italy.
[Bianchi, F.; Gallo, F.] Univ Trieste, Dipartimento Fis, I-10125 Turin, Italy.
[Bomben, M.; Bosisio, L.; Cartaro, C.; Cossutti, F.; Della Ricca, G.; Lanceri, L.; Vitale, L.] Ist Nazl Fis Nucl, I-34127 Trieste, Italy.
[Bomben, M.; Bosisio, L.; Cartaro, C.; Cossutti, F.; Della Ricca, G.; Lanceri, L.; Vitale, L.] Univ Trieste, Dipartimento Fis, I-34127 Trieste, Italy.
[Azzolini, V.; Lopez-March, N.; Martinez-Vidal, F.; Milanes, D. A.; Oyanguren, A.] Univ Valencia, CSIC, IFIC, E-46071 Valencia, Spain.
[Albert, J.; Banerjee, Sw.; Bhuyan, B.; Hamano, K.; Kowalewski, R.; Nugent, I. M.; Roney, J. M.; Sobie, R. J.] Univ Victoria, Victoria, BC V8W 3P6, Canada.
[Buzzo, A.; Harrison, P. F.; Ilic, J.; Latham, T. E.; Mohanty, G. B.] Univ Warwick, Dept Phys, Coventry CV4 7AL, W Midlands, England.
[Buzzo, A.; Band, H. R.; Chen, X.; Dasu, S.; Flood, K. T.; Hollar, J. J.; Kutter, P. E.; Pan, Y.; Prepost, R.; Wu, S. L.] Univ Wisconsin, Madison, WI 53706 USA.
[Neal, H.] Yale Univ, New Haven, CT 06511 USA.
RP Aubert, B (reprint author), Univ Savoie, CNRS, IN2P3, Phys Particules Lab, F-74941 Annecy Le Vieux, France.
RI Calcaterra, Alessandro/P-5260-2015; Frey, Raymond/E-2830-2016; dong,
liaoyuan/A-5093-2015; Rizzo, Giuliana/A-8516-2015; van Bakel,
Niels/B-6233-2015; Calabrese, Roberto/G-4405-2015; Mir,
Lluisa-Maria/G-7212-2015; Martinez Vidal, F*/L-7563-2014; Kolomensky,
Yury/I-3510-2015; Lo Vetere, Maurizio/J-5049-2012; Lusiani,
Alberto/N-2976-2015; Morandin, Mauro/A-3308-2016; Lusiani,
Alberto/A-3329-2016; Della Ricca, Giuseppe/B-6826-2013; Di Lodovico,
Francesca/L-9109-2016; Pappagallo, Marco/R-3305-2016; de Sangro,
Riccardo/J-2901-2012; Saeed, Mohammad Alam/J-7455-2012; Negrini,
Matteo/C-8906-2014; Monge, Maria Roberta/G-9127-2012; Oyanguren,
Arantza/K-6454-2014; Luppi, Eleonora/A-4902-2015; Lista,
Luca/C-5719-2008; Bellini, Fabio/D-1055-2009; Neri, Nicola/G-3991-2012;
Forti, Francesco/H-3035-2011; Rotondo, Marcello/I-6043-2012; Patrignani,
Claudia/C-5223-2009
OI Paoloni, Eugenio/0000-0001-5969-8712; Faccini,
Riccardo/0000-0003-2613-5141; Raven, Gerhard/0000-0002-2897-5323;
Calcaterra, Alessandro/0000-0003-2670-4826; Frey,
Raymond/0000-0003-0341-2636; Bettarini, Stefano/0000-0001-7742-2998;
Cibinetto, Gianluigi/0000-0002-3491-6231; dong,
liaoyuan/0000-0002-4773-5050; Pacetti, Simone/0000-0002-6385-3508;
Covarelli, Roberto/0000-0003-1216-5235; Rizzo,
Giuliana/0000-0003-1788-2866; van Bakel, Niels/0000-0002-4053-7588;
Calabrese, Roberto/0000-0002-1354-5400; Mir,
Lluisa-Maria/0000-0002-4276-715X; Martinez Vidal,
F*/0000-0001-6841-6035; Kolomensky, Yury/0000-0001-8496-9975; Lo Vetere,
Maurizio/0000-0002-6520-4480; Lusiani, Alberto/0000-0002-6876-3288;
Morandin, Mauro/0000-0003-4708-4240; Lusiani,
Alberto/0000-0002-6876-3288; Della Ricca, Giuseppe/0000-0003-2831-6982;
Di Lodovico, Francesca/0000-0003-3952-2175; Pappagallo,
Marco/0000-0001-7601-5602; de Sangro, Riccardo/0000-0002-3808-5455;
Saeed, Mohammad Alam/0000-0002-3529-9255; Negrini,
Matteo/0000-0003-0101-6963; Monge, Maria Roberta/0000-0003-1633-3195;
Oyanguren, Arantza/0000-0002-8240-7300; Luppi,
Eleonora/0000-0002-1072-5633; Bellini, Fabio/0000-0002-2936-660X; Neri,
Nicola/0000-0002-6106-3756; Forti, Francesco/0000-0001-6535-7965;
Rotondo, Marcello/0000-0001-5704-6163; Patrignani,
Claudia/0000-0002-5882-1747
NR 16
TC 1
Z9 1
U1 0
U2 4
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 JAN
PY 2008
VL 77
IS 1
AR 011104
DI 10.1103/PhysRevD.77.011104
PG 7
WC Astronomy & Astrophysics; Physics, Particles & Fields
SC Astronomy & Astrophysics; Physics
GA 258JH
UT WOS:000252863700004
ER
PT J
AU Avakian, H
Efremov, AV
Goeke, K
Metz, A
Schweitzer, P
Teckentrup, T
AF Avakian, H.
Efremov, A. V.
Goeke, K.
Metz, A.
Schweitzer, P.
Teckentrup, T.
TI Are there approximate relations among transverse momentum dependent
distribution functions?
SO PHYSICAL REVIEW D
LA English
DT Review
ID SINGLE-SPIN ASYMMETRIES; DEEP-INELASTIC-SCATTERING; FINAL-STATE
INTERACTIONS; QUARK-SOLITON MODEL; DRELL-YAN PROCESSES; POLARIZED PARTON
DENSITIES; N-C LIMIT; AZIMUTHAL ASYMMETRIES; SEMIINCLUSIVE DIS;
DISTRIBUTION H(1)(X,Q(2))
AB Certain exact relations among transverse momentum dependent parton distribution functions due to QCD equations of motion turn into approximate ones upon the neglect of pure twist-3 terms. On the basis of available data from HERMES, we test the practical usefulness of one such "Wandzura-Wilczek-type approximation," namely, of that connecting h(1L)(perpendicular to(1)a)(x) to h(L)(a)(x), and discuss how it can be further tested by future CLAS and COMPASS data.
C1 [Avakian, H.] Thomas Jefferson Natl Accelerator Facil, Newport News, VA 23606 USA.
[Efremov, A. V.] Joint Inst Nucl Res, Dubna 141980, Russia.
[Goeke, K.; Metz, A.; Schweitzer, P.; Teckentrup, T.] Ruhr Univ Bochum, Inst Theoret Phys 2, D-44780 Bochum, Germany.
[Metz, A.] Temple Univ, Dept Phys, Philadelphia, PA 19122 USA.
RP Avakian, H (reprint author), Thomas Jefferson Natl Accelerator Facil, Newport News, VA 23606 USA.
NR 120
TC 39
Z9 39
U1 0
U2 2
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 JAN
PY 2008
VL 77
IS 1
AR 014023
DI 10.1103/PhysRevD.77.014023
PG 9
WC Astronomy & Astrophysics; Physics, Particles & Fields
SC Astronomy & Astrophysics; Physics
GA 258JH
UT WOS:000252863700045
ER
PT J
AU Beane, SR
Luu, TC
Orginos, K
Parreno, A
Savage, MJ
Torok, A
Walker-Loud, A
AF Beane, Silas R.
Luu, Thomas C.
Orginos, Kostas
Parreno, Assumpta
Savage, Martin J.
Torok, Aaron
Walker-Loud, Andre
TI Precise determination of the I=2 pi pi scattering length from
mixed-action lattice QCD
SO PHYSICAL REVIEW D
LA English
DT Article
ID CHIRAL PERTURBATION-THEORY; QUANTUM-FIELD THEORIES; 2-PION
WAVE-FUNCTION; WILSON FERMIONS; PHASE-SHIFT; ELECTROMAGNETIC
CORRECTIONS; NUCLEON-SCATTERING; VOLUME DEPENDENCE; ENERGY-SPECTRUM;
VIRTUAL PHOTONS
AB The I = 2 pi pi scattering length is calculated in fully dynamical lattice QCD with domain-wall valence quarks on the asqtad-improved coarse MILC configurations (with fourth-rooted staggered sea quarks) at four light-quark masses. Two- and three-flavor mixed-action chiral perturbation theory at next-to-leading order is used to perform the chiral and continuum extrapolations. At the physical charged pion mass, we find m(pi)a(pi pi)(I=2) = -0.043 30 +/- 0.000 42, where the error bar combines the statistical and systematic uncertainties in quadrature.
C1 [Beane, Silas R.; Torok, Aaron] Univ New Hampshire, Dept Phys, Durham, NH 03824 USA.
[Luu, Thomas C.] Lawrence Livermore Natl Lab, N Div, Livermore, CA 94551 USA.
[Orginos, Kostas] Coll William & Mary, Dept Phys, Williamsburg, VA 23187 USA.
[Orginos, Kostas] Jefferson Lab, Newport News, VA 23606 USA.
[Parreno, Assumpta] Univ Barcelona, Dept Estructura & Constituents Mat, E-08028 Barcelona, Spain.
[Parreno, Assumpta] Univ Barcelona, Inst Ciencies Cosmos, E-08028 Barcelona, Spain.
[Savage, Martin J.] Univ Washington, Dept Phys, Seattle, WA 98195 USA.
[Walker-Loud, Andre] Univ Maryland, Dept Phys, College Pk, MD 20742 USA.
RP Beane, SR (reprint author), Univ New Hampshire, Dept Phys, Durham, NH 03824 USA.
NR 87
TC 67
Z9 68
U1 0
U2 6
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 JAN
PY 2008
VL 77
IS 1
AR 014505
DI 10.1103/PhysRevD.77.014505
PG 12
WC Astronomy & Astrophysics; Physics, Particles & Fields
SC Astronomy & Astrophysics; Physics
GA 258JH
UT WOS:000252863700065
ER
PT J
AU Bern, Z
Carrasco, JJ
Forde, D
Ita, H
Johansson, H
AF Bern, Z.
Carrasco, J. J.
Forde, D.
Ita, H.
Johansson, H.
TI Unexpected cancellations in gravity theories
SO PHYSICAL REVIEW D
LA English
DT Review
ID ONE-LOOP AMPLITUDES; GAUGE-THEORY; SCATTERING-AMPLITUDES; YANG-MILLS;
N=8 SUPERGRAVITY; TREE AMPLITUDES; QUANTUM-GRAVITY; STRING THEORY;
DIMENSIONAL REGULARIZATION; MULTIPLE BREMSSTRAHLUNG
AB Recent computations of scattering amplitudes show that N=8 supergravity is surprisingly well behaved in the ultraviolet and may even be ultraviolet finite in perturbation theory. The novel cancellations necessary for ultraviolet finiteness first appear at one loop in the guise of the "no-triangle hypothesis." We study one-loop amplitudes in pure Einstein gravity and point out the existence of cancellations similar to those found previously in N=8 supergravity. These cancellations go beyond those found in the one-loop effective action. Using unitarity, this suggests that generic theories of quantum gravity based on the Einstein-Hilbert action may be better behaved in the ultraviolet at higher loops than suggested by naive power counting, though without additional (supersymmetric) cancellations they diverge. We comment on future studies that should be performed to support this proposal.
C1 [Bern, Z.; Carrasco, J. J.; Forde, D.; Johansson, H.] Univ Calif Los Angeles, Dept Phys & Astron, Los Angeles, CA 90095 USA.
[Forde, D.] Stanford Univ, Stanford Linear Accelerator Ctr, Stanford, CA 94309 USA.
[Ita, H.] Univ Coll Swansea, Dept Phys, Swansea SA2 8PP, W Glam, Wales.
RP Bern, Z (reprint author), Univ Calif Los Angeles, Dept Phys & Astron, Los Angeles, CA 90095 USA.
OI Carrasco, John Joseph/0000-0002-4499-8488
NR 100
TC 77
Z9 77
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 JAN
PY 2008
VL 77
IS 2
AR 025010
DI 10.1103/PhysRevD.77.025010
PG 18
WC Astronomy & Astrophysics; Physics, Particles & Fields
SC Astronomy & Astrophysics; Physics
GA 258JK
UT WOS:000252864000110
ER
PT J
AU Cheng, M
Christ, NH
Datta, S
Van der Heide, J
Jung, C
Karsch, F
Kaczmarek, O
Laermann, E
Mawhinney, RD
Miao, C
Petreczky, P
Petrov, K
Schmidt, C
Soeldner, W
Umeda, T
AF Cheng, M.
Christ, N. H.
Datta, S.
Van der Heide, J.
Jung, C.
Karsch, F.
Kaczmarek, O.
Laermann, E.
Mawhinney, R. D.
Miao, C.
Petreczky, P.
Petrov, K.
Schmidt, C.
Soeldner, W.
Umeda, T.
TI QCD equation of state with almost physical quark masses
SO PHYSICAL REVIEW D
LA English
DT Article
ID FREE-ENERGY; HIGH-TEMPERATURE; FLAVOR QCD; THERMODYNAMICS; TRANSITION;
SPECTRUM; FERMIONS; LOOP
AB We present results on the equation of state in QCD with two light quark flavors and a heavier strange quark. Calculations with improved staggered fermions have been performed on lattices with temporal extent N(tau)=4 and 6 on a line of constant physics with almost physical quark mass values; the pion mass is about 220 MeV, and the strange quark mass is adjusted to its physical value. High statistics results on large lattices are obtained for bulk thermodynamic observables, i.e. pressure, energy and entropy density, at vanishing quark chemical potential for a wide range of temperatures, 140 MeV <= T <= 800 MeV. We present a detailed discussion of finite cutoff effects which become particularly significant for temperatures larger than about twice the transition temperature. At these high temperatures we also performed calculations of the trace anomaly on lattices with temporal extent N(tau)=8. Furthermore, we have performed an extensive analysis of zero temperature observables including the light and strange quark condensates and the static quark potential at zero temperature. These are used to set the temperature scale for thermodynamic observables and to calculate renormalized observables that are sensitive to deconfinement and chiral symmetry restoration and become order parameters in the infinite and zero quark mass limits, respectively.
C1 [Cheng, M.; Christ, N. H.; Mawhinney, R. D.] Columbia Univ, Dept Phys, New York, NY 10027 USA.
[Christ, N. H.] Tata Inst Fundamental Res, Dept Theoret Phys, Bombay 400005, Maharashtra, India.
[Van der Heide, J.; Karsch, F.; Kaczmarek, O.; Laermann, E.; Miao, C.] Univ Bielefeld, Fak Phys, D-33615 Bielefeld, Germany.
[Jung, C.; Karsch, F.; Petreczky, P.; Schmidt, C.; Soeldner, W.] Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA.
[Petreczky, P.] Brookhaven Natl Lab, RIKEN BNL, Res Ctr, Upton, NY 11973 USA.
[Petrov, K.] Univ Copenhagen, Niels Bohr Inst, DK-2100 Copenhagen, Denmark.
[Umeda, T.] Univ Tsukuba, Grad Sch Pure & Appl Sci, Tsukuba, Ibaraki 3058571, Japan.
RP Cheng, M (reprint author), Columbia Univ, Dept Phys, New York, NY 10027 USA.
RI Kaczmarek, Olaf/E-9932-2011
NR 49
TC 350
Z9 353
U1 0
U2 6
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 JAN
PY 2008
VL 77
IS 1
AR 014511
DI 10.1103/PhysRevD.77.014511
PG 20
WC Astronomy & Astrophysics; Physics, Particles & Fields
SC Astronomy & Astrophysics; Physics
GA 258JH
UT WOS:000252863700071
ER
PT J
AU Dawson, S
Jackson, CB
AF Dawson, S.
Jackson, C. B.
TI Supersymmetric QCD corrections to associated Higgs boson-bottom quark
production
SO PHYSICAL REVIEW D
LA English
DT Article
ID HADRON COLLIDERS; HEAVY QUARKS; PHENOMENOLOGY; UNIFICATION; COLLISIONS;
PARTON; MODEL; MASS
AB The associated production of a Higgs boson with a b quark is a discovery mode for a minimal supersymmetric standard model (MSSM) Higgs boson at large tan beta. We compute the SUSY QCD corrections from gluino and squark loops to this process and combine them with the O(alpha(2)(s)) next-to-leading order (NLO) QCD corrections to obtain reliable predictions for the rate. Finally, we compare our results with an effective Lagrangian approximation which includes only the low energy corrections from squark and gluino loops to the b (b) over bar Higgs vertices.
C1 [Dawson, S.; Jackson, C. B.] Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA.
RP Dawson, S (reprint author), Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA.
NR 38
TC 17
Z9 17
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 JAN
PY 2008
VL 77
IS 1
AR 015019
DI 10.1103/PhysRevD.77.015019
PG 13
WC Astronomy & Astrophysics; Physics, Particles & Fields
SC Astronomy & Astrophysics; Physics
GA 258JH
UT WOS:000252863700094
ER
PT J
AU Ejiri, S
AF Ejiri, Shinji
TI Existence of the critical point in finite density lattice QCD
SO PHYSICAL REVIEW D
LA English
DT Article
ID CHIRAL CRITICAL-POINT; ISOSPIN DENSITY; PHASE-TRANSITIONS; TEMPERATURE;
THERMODYNAMICS; DIAGRAM; MASS
AB We propose a method to probe the nature of phase transitions in lattice QCD at finite temperature and density, which is based on the investigation of an effective potential as a function of the average plaquette. We analyze data obtained in a simulation of two-flavor QCD using p4-improved staggered quarks with bare quark mass m/T=0.4 and find that a first order phase transition line appears in the high density regime for mu(q)/T greater than or similar to 2.5. We also discuss the difference between the phase structures of QCD with nonzero quark chemical potential and nonzero isospin chemical potential.
C1 Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA.
RP Ejiri, S (reprint author), Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA.
NR 42
TC 52
Z9 52
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 JAN
PY 2008
VL 77
IS 1
AR 014508
DI 10.1103/PhysRevD.77.014508
PG 14
WC Astronomy & Astrophysics; Physics, Particles & Fields
SC Astronomy & Astrophysics; Physics
GA 258JH
UT WOS:000252863700068
ER
PT J
AU Mocsy, A
Petreczky, P
AF Mocsy, Agnes
Petreczky, Peter
TI Can quarkonia survive deconfinement?
SO PHYSICAL REVIEW D
LA English
DT Article
ID BOUND-STATES; GLUON PLASMA; LATTICE QCD; SPECTRAL FUNCTIONS; HEAVY
QUARKONIUM; PSI-SUPPRESSION; POLYAKOV LOOP; CROSS-SECTION; DISSOCIATION;
CHARMONIUM
AB We study quarkonium correlators and spectral functions at zero and finite temperature in QCD with only heavy quarks using potential models combined with perturbative QCD. First, we show that this approach can describe the quarkonium correlation function at zero temperature. Using a class of screened potentials based on lattice calculations of the static quark-antiquark free energy we calculate spectral functions at finite temperature. We find that all quarkonium states, with the exception of the 1S bottomonium, dissolve in the deconfined phase at temperatures smaller than 1.5T(c), in contradiction with the conclusions of recent studies. Despite this the temperature dependence of the quarkonium correlation functions calculated on the lattice is well reproduced in our model. We also find that even in the absence of resonances the spectral function at high temperatures is significantly enhanced over the spectral function corresponding to free quark-antiquark propagation.
C1 [Mocsy, Agnes] Brookhaven Natl Lab, RIKEN BNL, Res Ctr, Upton, NY 11973 USA.
[Petreczky, Peter] Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA.
RP Mocsy, A (reprint author), Brookhaven Natl Lab, RIKEN BNL, Res Ctr, Upton, NY 11973 USA.
EM mocsy@bnl.gov; petreczk@bnl.gov
NR 77
TC 111
Z9 112
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 JAN
PY 2008
VL 77
IS 1
AR 014501
DI 10.1103/PhysRevD.77.014501
PG 20
WC Astronomy & Astrophysics; Physics, Particles & Fields
SC Astronomy & Astrophysics; Physics
GA 258JH
UT WOS:000252863700061
ER
PT J
AU Murayama, H
Nomura, Y
Poland, D
AF Murayama, Hitoshi
Nomura, Yasunori
Poland, David
TI More visible effects of the hidden sector
SO PHYSICAL REVIEW D
LA English
DT Article
ID DYNAMICAL SUPERSYMMETRY BREAKING; GAUGE-THEORIES; CONFORMAL
SUPERSYMMETRY; POSITIVE ENERGY; REPRESENTATIONS; SUPERGRAVITY; HIERARCHY
AB There is a growing appreciation that hidden sector dynamics may affect the supersymmetry breaking parameters in the visible sector (supersymmetric standard model), especially when the dynamics is strong and superconformal. We point out that there are effects that have not been previously discussed in the literature. For example, the gaugino masses are suppressed relative to the gravitino mass. We discuss their implications in the context of various mediation mechanisms. The issues discussed include anomaly mediation with singlets, the mu (B mu) problem in gauge and gaugino mediation, and distinct mass spectra for the superparticles that have not been previously considered.
C1 Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA.
Lawrence Berkeley Natl Lab, Theoret Phys Grp, Berkeley, CA 94720 USA.
RP Murayama, H (reprint author), Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA.
RI Murayama, Hitoshi/A-4286-2011; Poland, David/A-8689-2015;
OI Poland, David/0000-0003-3854-2430; Nomura, Yasunori/0000-0002-1497-1479
NR 47
TC 65
Z9 65
U1 0
U2 1
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 JAN
PY 2008
VL 77
IS 1
AR 015005
DI 10.1103/PhysRevD.77.015005
PG 13
WC Astronomy & Astrophysics; Physics, Particles & Fields
SC Astronomy & Astrophysics; Physics
GA 258JH
UT WOS:000252863700080
ER
PT J
AU Pascalutsa, V
Vanderhaeghen, M
AF Pascalutsa, Vladimir
Vanderhaeghen, Marc
TI Chiral effective-field theory in the Delta(1232) region. II. Radiative
pion photoproduction
SO PHYSICAL REVIEW D
LA English
DT Article
ID PERTURBATION-THEORY; MAGNETIC-MOMENT; PROTON BREMSSTRAHLUNG; RESONANCE;
BARYONS; NUCLEI
AB We present a theoretical study of the radiative pion photoproduction on the nucleon (gamma N ->pi N gamma(')) in the Delta-resonance region, with the aim to determine the magnetic dipole moment (MDM) of the Delta(+)(1232). The study is done within the framework of chiral effective-field theory, where the expansion is performed (to next-to-leading order) in the delta power-counting scheme, an extension of chiral perturbation theory to the Delta-resonance energy region. We present the results for the absorptive part of the Delta MDM, as well as perform a sensitivity study of the dependence of gamma N ->pi N gamma(') observables on the real part of the Delta MDM. We find that an asymmetry for circular polarization of the photon beam may provide a model-independent way to measure the Delta MDM.
C1 [Pascalutsa, Vladimir] European Ctr Theoret Studies Nucl Phys & Related, I-38050 Villazzano, TN, Italy.
[Vanderhaeghen, Marc] Coll William & Mary, Dept Phys, Williamsburg, VA 23187 USA.
[Vanderhaeghen, Marc] Ctr Theory, Jefferson Lab, Newport News, VA 23606 USA.
RP Pascalutsa, V (reprint author), European Ctr Theoret Studies Nucl Phys & Related, Villa Tambosi, I-38050 Villazzano, TN, Italy.
EM vlad@ect.it; marcvdh@jlab.org
NR 33
TC 18
Z9 18
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 JAN
PY 2008
VL 77
IS 1
AR 014027
DI 10.1103/PhysRevD.77.014027
PG 16
WC Astronomy & Astrophysics; Physics, Particles & Fields
SC Astronomy & Astrophysics; Physics
GA 258JH
UT WOS:000252863700049
ER
PT J
AU Stevens, T
Johnson, MB
Kisslinger, LS
Henley, EM
Hwang, WYP
Burkardt, M
AF Stevens, Trevor
Johnson, Mikkel B.
Kisslinger, Leonard S.
Henley, Ernest M.
Hwang, W. -Y Pauchy
Burkardt, Matthias
TI Role of charged gauge fields in generating magnetic seed fields in
bubble collisions during the cosmological electroweak phase transition
SO PHYSICAL REVIEW D
LA English
DT Article
ID TEMPERATURE; MSSM; BARYOGENESIS; MODEL
AB We calculate the magnetic field generated during bubble collisions in a first-order electroweak phase transition that may occur for some choices of parameters in the minimal supersymmetric standard model. We derive equations of motion from the electroweak Lagrangian that couple the Higgs field and the gauge fields of the standard model sector. We show that for sufficiently gentle collisions, where the Higgs field is relatively unperturbed in the bubble overlap region, the equations of motion can be linearized so that in the absence of fermions the charged W(+/-) fields are the source of the electromagnetic current for generating the seed fields. Solutions of the equations of motion for the charged gauge fields and Maxwell's equations for the magnetic field in O(1,2) space-time symmetry are expressed in closed form by applying boundary conditions at the time of collision. Our results indicate that the magnetic fields generated by charged W(+/-) fields in the collision are comparable to those found in previous work. The magnetic fields so produced could seed galactic and extra-galactic magnetic fields observed today.
C1 [Stevens, Trevor; Burkardt, Matthias] New Mexico State Univ, Dept Phys, Las Cruces, NM 88003 USA.
[Johnson, Mikkel B.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
[Kisslinger, Leonard S.] Carnegie Mellon Univ, Dept Phys, Pittsburgh, PA 15213 USA.
[Henley, Ernest M.] Univ Washington, Dept Phys, Seattle, WA 98195 USA.
[Hwang, W. -Y Pauchy] Natl Taiwan Univ, Dept Phys, Taipei 106, Taiwan.
RP Stevens, T (reprint author), New Mexico State Univ, Dept Phys, Las Cruces, NM 88003 USA.
OI HWANG, W-Y/0000-0003-1563-8683
NR 26
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 JAN
PY 2008
VL 77
IS 2
AR 023501
DI 10.1103/PhysRevD.77.023501
PG 13
WC Astronomy & Astrophysics; Physics, Particles & Fields
SC Astronomy & Astrophysics; Physics
GA 258JK
UT WOS:000252864000016
ER
PT J
AU Jaradat, S
Brimicombe, PD
Southern, C
Siemianowski, SD
DiMasi, E
Osipov, M
Pindak, R
Gleeson, HF
AF Jaradat, S.
Brimicombe, P. D.
Southern, C.
Siemianowski, S. D.
DiMasi, E.
Osipov, M.
Pindak, R.
Gleeson, H. F.
TI Unexpected field-induced phase transitions between ferrielectric and
antiferroelectric liquid crystal structures
SO PHYSICAL REVIEW E
LA English
DT Article
ID X-RAY-SCATTERING; SMECTIC PHASES
AB Liquid crystals are intriguing electrically responsive soft matter systems. We report previously unexplored field-induced changes in the structures of some frustrated liquid crystal phases and describe them theoretically. Specifically, we have discovered using resonant x-ray scattering that the four-layer intermediate smectic phase can undergo either a transition to the ferrielectric (three-layer) phase or to the ferroelectric phase, depending on temperature. Our studies of intermediate phases using electric fields offer a way to test theories that describe ferroelectricity in self-assembling fluids.
C1 [Jaradat, S.; Brimicombe, P. D.; Southern, C.; Siemianowski, S. D.; Gleeson, H. F.] Univ Manchester, Sch Phys & Astron, Manchester M13 9PL, Lancs, England.
[DiMasi, E.; Pindak, R.] Brookhaven Natl Lab, Upton, NY 11973 USA.
[Osipov, M.] Univ Strathclyde, Dept Math, Glasgow G1 1XH, Lanark, Scotland.
RP Gleeson, HF (reprint author), Univ Manchester, Sch Phys & Astron, Manchester M13 9PL, Lancs, England.
EM Helen.Gleeson@manchester.ac.uk
NR 24
TC 25
Z9 25
U1 0
U2 7
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 JAN
PY 2008
VL 77
IS 1
AR 010701
DI 10.1103/PhysRevE.77.010701
PN 1
PG 4
WC Physics, Fluids & Plasmas; Physics, Mathematical
SC Physics
GA 258IK
UT WOS:000252861400005
PM 18351811
ER
PT J
AU Park, S
AF Park, Sanghyun
TI Comparison of the serial and parallel algorithms of generalized ensemble
simulations: An analytical approach
SO PHYSICAL REVIEW E
LA English
DT Article
ID FREE-ENERGY DIFFERENCES; MONTE-CARLO; REPLICA-EXCHANGE; TEMPERING
METHOD; SYSTEMS
AB This paper addresses issues related to weights and acceptance rates in generalized ensemble simulations, while comparing two algorithms: serial (e.g., simulated tempering or expanded ensemble method) and parallel (e.g., parallel tempering or replica exchange). We derive a cumulant approximation for weights and discuss its effectiveness in practical applications. We compare the acceptance rates of the serial and parallel algorithms and prove that the serial algorithm always has higher acceptance rates. The duality between forward and backward transitions plays a crucial role in the derivations throughout the paper.
C1 [Park, Sanghyun] Argonne Natl Lab, Math & Comp Sci Div, Argonne, IL 60439 USA.
RP Park, S (reprint author), Argonne Natl Lab, Math & Comp Sci Div, 9700 S Cass Ave, Argonne, IL 60439 USA.
EM sanghyun@mcs.anl.gov
NR 20
TC 29
Z9 29
U1 0
U2 5
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 JAN
PY 2008
VL 77
IS 1
AR 016709
DI 10.1103/PhysRevE.77.016709
PN 2
PG 6
WC Physics, Fluids & Plasmas; Physics, Mathematical
SC Physics
GA 258IM
UT WOS:000252861600061
PM 18351962
ER
PT J
AU Ziebert, F
Aranson, IS
AF Ziebert, Falko
Aranson, Igor S.
TI Rheological and structural properties of dilute active filament
solutions
SO PHYSICAL REVIEW E
LA English
DT Article
ID SELF-ORGANIZATION; MICROTUBULES; MECHANICS; MOTORS; NETWORKS; POLYMERS
AB The rheology and the structure of a dilute semiflexible biofilament solution, like F-actin, interacting via molecular motors is probed by molecular dynamics simulations. Oscillatory external shear is used to measure the storage and loss moduli as a function of motor activity in a range of frequencies and for low shear rates. The overall effect of the motor activity on the rheological properties is interpreted as an increase of the temperature, with the effective temperature proportional to the density of motors. However, the effect of motors on the structural properties of the solution, such as the orientation correlation function, is opposite: the motors drastically increase the orientation correlation length whereas thermal fluctuations decrease it.
C1 [Ziebert, Falko; Aranson, Igor S.] Argonne Natl Lab, Argonne, IL 60439 USA.
RP Ziebert, F (reprint author), Argonne Natl Lab, 9700 S Cass Ave, Argonne, IL 60439 USA.
RI Aranson, Igor/I-4060-2013
NR 31
TC 25
Z9 25
U1 3
U2 7
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 JAN
PY 2008
VL 77
IS 1
AR 011918
DI 10.1103/PhysRevE.77.011918
PN 1
PG 5
WC Physics, Fluids & Plasmas; Physics, Mathematical
SC Physics
GA 258IK
UT WOS:000252861400081
PM 18351887
ER
PT J
AU Cowan, BM
AF Cowan, Benjamin M.
TI Three-dimensional dielectric photonic crystal structures for
laser-driven acceleration
SO PHYSICAL REVIEW SPECIAL TOPICS-ACCELERATORS AND BEAMS
LA English
DT Article
ID BAND
AB We present the design and simulation of a three-dimensional photonic crystal waveguide for linear laser-driven acceleration in vacuum. The structure confines a synchronous speed-of-light accelerating mode in both transverse dimensions. We report the properties of this mode, including sustainable gradient and optical-to-beam efficiency. We present a novel method for confining a particle beam using optical fields as focusing elements. This technique, combined with careful structure design, is shown to have a large dynamic aperture and minimal emittance growth, even over millions of optical wavelengths.
C1 [Cowan, Benjamin M.] Tech X Corp, Boulder, CO 80303 USA.
[Cowan, Benjamin M.] Stanford Linear Accelerator Ctr, Menlo Pk, CA 94025 USA.
RP Cowan, BM (reprint author), Tech X Corp, 5621 Arapahoe Ave, Boulder, CO 80303 USA.
EM benc@txcorp.com
NR 23
TC 42
Z9 42
U1 0
U2 2
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 JAN
PY 2008
VL 11
IS 1
AR 011301
DI 10.1103/PhysRevSTAB.11.011301
PG 9
WC Physics, Nuclear; Physics, Particles & Fields
SC Physics
GA 287FI
UT WOS:000254901900006
ER
PT J
AU Macek, RJ
Browman, AA
Ledford, JE
Borden, MJ
O'Hara, JF
McCrady, RC
Rybarcyk, LJ
Spickermann, T
Zaugg, TJ
Pivi, MTF
AF Macek, Robert J.
Browman, Andrew A.
Ledford, John E.
Borden, Michael J.
O'Hara, James F.
McCrady, Rodney C.
Rybarcyk, Lawrence J.
Spickermann, Thomas
Zaugg, Thomas J.
Pivi, Mauro T. F.
TI Electron cloud generation and trapping in a quadrupole magnet at the Los
Alamos proton storage ring
SO PHYSICAL REVIEW SPECIAL TOPICS-ACCELERATORS AND BEAMS
LA English
DT Article
AB Recent beam physics studies on the two-stream e-p instability at the LANL proton storage ring (PSR) have focused on the role of the electron cloud generated in quadrupole magnets where primary electrons, which seed beam-induced multipacting, are expected to be largest due to grazing angle losses from the beam halo. A new diagnostic to measure electron cloud formation and trapping in a quadrupole magnet has been developed, installed, and successfully tested at PSR. Beam studies using this diagnostic show that the "prompt" electron flux striking the wall in a quadrupole is comparable to the prompt signal in the adjacent drift space. In addition, the "swept" electron signal, obtained using the sweeping feature of the diagnostic after the beam was extracted from the ring, was larger than expected and decayed slowly with an exponential time constant of 50 to 100 mu s. Other measurements include the cumulative energy spectra of prompt electrons and the variation of both prompt and swept electron signals with beam intensity. Experimental results were also obtained which suggest that a good fraction of the electrons observed in the adjacent drift space for the typical beam conditions in the 2006 run cycle were seeded by electrons ejected from the quadrupole.
C1 [Macek, Robert J.; Browman, Andrew A.; Ledford, John E.] TechSource Inc, Santa Fe, NM 87505 USA.
[Macek, Robert J.; Browman, Andrew A.; Ledford, John E.; Borden, Michael J.; O'Hara, James F.; McCrady, Rodney C.; Rybarcyk, Lawrence J.; Spickermann, Thomas; Zaugg, Thomas J.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
[Pivi, Mauro T. F.] Stanford Linear Accelerator Ctr, Menlo Pk, CA 94025 USA.
RP Macek, RJ (reprint author), TechSource Inc, Santa Fe, NM 87505 USA.
EM macek@lanl.gov
OI Macek, Robert/0000-0003-3196-0533
NR 22
TC 6
Z9 6
U1 0
U2 0
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 JAN
PY 2008
VL 11
IS 1
AR 010101
DI 10.1103/PhysRevSTAB.11.010101
PG 11
WC Physics, Nuclear; Physics, Particles & Fields
SC Physics
GA 287FI
UT WOS:000254901900001
ER
PT J
AU Smedley, J
Rao, T
Sekutowicz, J
AF Smedley, J.
Rao, T.
Sekutowicz, J.
TI Lead photocathodes
SO PHYSICAL REVIEW SPECIAL TOPICS-ACCELERATORS AND BEAMS
LA English
DT Article
ID PHOTOEMISSION; METALS
AB We present the results of our investigation of lead as a suitable photocathode material for superconducting rf injectors. Quantum efficiencies (QE) have been measured for a range of incident photon energies and compared to predictions from the three-step model of photoemission. A variety of cathode preparation methods have been used, including various lead plating techniques on a niobium substrate. The effects of operating at ambient and cryogenic temperatures and different vacuum levels on the cathode QE have also been studied.
C1 [Smedley, J.; Rao, T.] Brookhaven Natl Lab, Upton, NY 11973 USA.
[Sekutowicz, J.] DESY, D-22603 Hamburg, Germany.
RP Smedley, J (reprint author), Brookhaven Natl Lab, Upton, NY 11973 USA.
NR 19
TC 24
Z9 24
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 JAN
PY 2008
VL 11
IS 1
AR 013502
DI 10.1103/PhysRevSTAB.11.013502
PG 9
WC Physics, Nuclear; Physics, Particles & Fields
SC Physics
GA 287FI
UT WOS:000254901900010
ER
PT J
AU Stupakov, G
Huang, Z
AF Stupakov, G.
Huang, Z.
TI Space charge effect in an accelerated beam
SO PHYSICAL REVIEW SPECIAL TOPICS-ACCELERATORS AND BEAMS
LA English
DT Article
AB It is usually assumed that the space charge effects in relativistic beams scale with the energy of the beam as gamma(-2), where gamma is the relativistic factor. We show that for a beam accelerated in the longitudinal direction there is an additional space charge effect in free space that scales as E/gamma, where E is the accelerating field. This field has the same origin as the "electromagnetic mass of the electron" discussed in textbooks on electrodynamics. It keeps the balance between the kinetic energy of the beam and the energy of the electromagnetic field of the beam. We then consider the effect of this field on a beam generated in an rf gun and calculate the energy spread produced by this field in the beam.
C1 [Stupakov, G.; Huang, Z.] Stanford Univ, Stanford Linear Accelerator Ctr, Stanford, CA 94309 USA.
RP Stupakov, G (reprint author), Stanford Univ, Stanford Linear Accelerator Ctr, Stanford, CA 94309 USA.
NR 12
TC 6
Z9 6
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 JAN
PY 2008
VL 11
IS 1
AR 014401
DI 10.1103/PhysRevSTAB.11.014401
PG 8
WC Physics, Nuclear; Physics, Particles & Fields
SC Physics
GA 287FI
UT WOS:000254901900015
ER
PT J
AU Thieberger, P
Ahrens, L
Alessi, J
Benjamin, J
Blaskiewicz, M
Brennan, JM
Brown, K
Carlson, C
Gardner, C
Fischer, W
Gassner, D
Glenn, J
Mac Kay, W
Marr, G
Roser, T
Smith, K
Snydstrup, L
Steski, D
Trbojevic, D
Tsoupas, N
Zajic, V
Zeno, K
AF Thieberger, P.
Ahrens, L.
Alessi, J.
Benjamin, J.
Blaskiewicz, M.
Brennan, J. M.
Brown, K.
Carlson, C.
Gardner, C.
Fischer, W.
Gassner, D.
Glenn, J.
Mac Kay, W.
Marr, G.
Roser, T.
Smith, K.
Snydstrup, L.
Steski, D.
Trbojevic, D.
Tsoupas, N.
Zajic, V.
Zeno, K.
TI Improved gold ion stripping at 0.1 and 10 GeV/nucleon for the
Relativistic Heavy Ion Collider
SO PHYSICAL REVIEW SPECIAL TOPICS-ACCELERATORS AND BEAMS
LA English
DT Article
ID K-VACANCY PRODUCTION; ATOMIC-COLLISIONS; CHARGE STATES; MULTIPLE
IONIZATION; ELECTRON-CAPTURE; MATTER; SHELL; EXCITATION; URANIUM; ENERGY
AB The four electron stripping stages leading to fully stripped gold ions in the Relativistic Heavy Ion Collider (RHIC) are briefly described. The third stripper, which removes 46 electrons from the Au31+ ions leading to heliumlike Au77+, offers the greatest challenges in terms of energy loss and induced energy spread. These problems are described in detail as well as recent advances in the design and performance of this stripper. Measurements performed with several carbon and aluminum strippers show general agreement with a semiempirical model but small systematic deviations suggest that some model adjustments may be in order. The best performance is predicted and obtained with a combined carbon-aluminum foil system. Measurements showing the enhanced performance in the alternating gradient synchrotron are described. The stripper that removes the last two electrons has also been improved and the results of relevant calculations and measurements are presented.
C1 [Thieberger, P.; Ahrens, L.; Alessi, J.; Benjamin, J.; Blaskiewicz, M.; Brennan, J. M.; Brown, K.; Carlson, C.; Gardner, C.; Fischer, W.; Gassner, D.; Glenn, J.; Mac Kay, W.; Marr, G.; Roser, T.; Smith, K.; Snydstrup, L.; Steski, D.; Trbojevic, D.; Tsoupas, N.; Zajic, V.; Zeno, K.] Brookhaven Natl Lab, C A Dept, Upton, NY 11973 USA.
RP Thieberger, P (reprint author), Brookhaven Natl Lab, C A Dept, Upton, NY 11973 USA.
EM PT@BNL.GOV
NR 32
TC 5
Z9 5
U1 2
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 JAN
PY 2008
VL 11
IS 1
AR 011001
DI 10.1103/PhysRevSTAB.11.011001
PG 12
WC Physics, Nuclear; Physics, Particles & Fields
SC Physics
GA 287FI
UT WOS:000254901900003
ER
PT J
AU Wang, JG
Plum, MA
AF Wang, J. G.
Plum, M. A.
TI Three-dimensional particle trajectories and waste beam losses in
injection dump beam line of Spallation Neutron Source accumulation ring
SO PHYSICAL REVIEW SPECIAL TOPICS-ACCELERATORS AND BEAMS
LA English
DT Article
AB The Spallation Neutron Source ring injection dump beam line has been suffering high beam losses since its commissioning. In order to understand the mechanisms of the beam losses, we have performed 3D simulation studies of the beam line. The 3D models consist of three injection chicane dipoles and one injection dump septum magnet. The 3D particle trajectories in the models are computed. We then extend particle optics calculations to the injection dump. Our studies have clearly shown some design and operation problems, which cause beam losses in the injection dump beam line. These include incorrect chicane dipole settings, incorrect position of a chicane dipole, too small aperture of injection dump septum, and inadequate focusing downstream. This paper reports our findings and the remedies to the injection beam loss problems.
C1 [Wang, J. G.; Plum, M. A.] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
RP Wang, JG (reprint author), Oak Ridge Natl Lab, POB 2008, Oak Ridge, TN 37831 USA.
EM jgwang@ornl.gov
NR 23
TC 3
Z9 3
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 JAN
PY 2008
VL 11
IS 1
AR 014002
DI 10.1103/PhysRevSTAB.11.014002
PG 14
WC Physics, Nuclear; Physics, Particles & Fields
SC Physics
GA 287FI
UT WOS:000254901900012
ER
PT J
AU Hu, QH
Mori, A
AF Hu, Q. H.
Moeri, A.
TI Radionuclide transport in fractured granite interface zones
SO PHYSICS AND CHEMISTRY OF THE EARTH
LA English
DT Article; Proceedings Paper
CT 11th International Conference on Chemistry and Migration Behaviour of
Actinides and Fission Products in the Geosphere
CY AUG 26-31, 2007
CL Munich, GERMANY
SP BMWi, Gesell Nuklear Serv, EnBW, DBE Technol, Natl Genossensch Lagerung Radioaktiver Abfalle, Forschungszentrum Karlsruhe
DE Radionuclide; Diffusion; Transport; Granite; Grimsel Test Site
ID GRIMSEL TEST-SITE; MATRIX DIFFUSION; GAMMA-SPECTROMETRY; SOLUTE
TRANSPORT; LASER-ABLATION; ROCK; SWITZERLAND; RETARDATION; PROJECT;
MODELS
AB In situ radionuclide migration experiments, followed by excavation and sample characterization, were conducted in a water-conducting shear zone at the Grimsel Test Site (GTS) in Switzerland to study migration paths of radionuclides in fractured granite. In this work, a micro-scale mapping technique was applied by interfacing laser ablation sampling with inductively coupled plasma-mass spectrometry (LA-ICP-MS) to detect the small scale (micron-range) distribution of actinides in the interface zones between fractures and the granitic rock matrix. Long-lived U-234, U-235, and Np-237 were detected in flow channels, as well as in the diffusion accessible rock matrix. using the sensitive, feature-based mapping of the LA-ICP-MS technique. The retarded actinides are mainly located at the fracture walls and in the fine grained fracture filling material as well as within the immediately adjacent wallrock.
The water-conducting fracture studied in this work is bounded on one side by mylonite and the other by granitic matrix regions. Actinides studied in this work did not penetrate into the mylonite side as much as into the granite matrix, most likely due to the lower porosity, the enhanced sorption capacity and the disturbed diffusion paths of the mylonite region itself. Overall, the maximum penetration depth detected with this technique for Np-237 and uranium isotopes over the field experimental time scale of about 60 days was about 10 mm in the granitic matrix, illustrating the importance of matrix diffusion in retarding radionuclide transport from the advective fractures. Laboratory tests and numerical modelling of radionuclide diffusion into granitic matrix was conducted to complement and help interpret the field results. (c) 2008 Elsevier Ltd. All rights reserved.
C1 [Hu, Q. H.] Beijing Normal Univ, Coll Water Sci, Beijing 100875, Peoples R China.
[Hu, Q. H.] Lawrence Livermore Natl Lab, Atmospher Earth & Energy Div, Livermore, CA 94550 USA.
[Moeri, A.] Univ Bern, Inst Geol Sci, CH-3012 Bern, Switzerland.
RP Hu, QH (reprint author), Beijing Normal Univ, Coll Water Sci, Xinjiekouwai St 19, Beijing 100875, Peoples R China.
EM huqinhong@yahoo.com
RI Hu, Qinhong/C-3096-2009
OI Hu, Qinhong/0000-0002-4782-319X
NR 29
TC 4
Z9 5
U1 0
U2 13
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 1474-7065
J9 PHYS CHEM EARTH
JI Phys. Chem. Earth
PY 2008
VL 33
IS 14-16
BP 1042
EP 1049
DI 10.1016/j.pce.2008.05.015
PG 8
WC Geosciences, Multidisciplinary; Meteorology & Atmospheric Sciences;
Water Resources
SC Geology; Meteorology & Atmospheric Sciences; Water Resources
GA 362OD
UT WOS:000260206100016
ER
PT J
AU Dai, ZX
Samper, J
Wolfsberg, A
Levitt, D
AF Dai, Zhenxue
Samper, Javier
Wolfsberg, Andrew
Levitt, Daniel
TI Identification of relative conductivity models for water flow and solute
transport in unsaturated bentonite
SO PHYSICS AND CHEMISTRY OF THE EARTH
LA English
DT Article; Proceedings Paper
CT 3rd International Meeting on Clays in Natural and Engineered Barriers
for Radioactive Waste Confinement
CY SEP 17-20, 2005
CL Lille, FRANCE
SP French Natl Radioact Waste Management Agcy
DE FEBEX bentonite; Unsaturated flow; Relative conductivity; Solute
transport; Model identification; Inverse modeling
ID SOIL HYDRAULIC-PROPERTIES; MULTICOMPONENT REACTIVE TRANSPORT;
PARAMETER-ESTIMATION; INVERSE PROBLEM; POROUS-MEDIA; AQUIFER; SYSTEMS;
STATE; INFILTRATION; METHODOLOGY
AB Unsaturated compacted bentonite is the buffer material foreseen for deep geological high-level radioactive waste repositories because it provides mechanical and chemical stability, hydraulic isolation, and radionuclide retardation. FEBEX (Full-scale Engineered Barrier EXperiment) is a demonstration and research project for the engineered barrier of a high-level radioactive waste repository in crystalline rock. An inverse methodology has been applied to estimate FEBEX bentonite hydraulic parameters and identify its relative conductivity function from infiltration tests using transient cumulative water inflow and final water content data. Model identification criteria developed within the context of information theory have been used to select the best relative conductivity function among four candidates, including that of Irmay and three proposed by van Genuchten. The Irmay model provides the best fit in almost all tests and is rated the best by model identification criteria for the test having the largest number of data values. The general van Genuchten model provides the second best fit to all tests and is rated either first or second best model by identification criteria. The relevance of different relative conductivity functions for solute transport has been evaluated by comparing concentrations of two conservative tracers computed with Irmay and van Genuchten models. Concentrations computed with van Genuchten model are steeper than those computed with Irmay model at the solute front. (C) 2008 Elsevier Ltd. All rights reserved.
C1 [Samper, Javier] Univ A Coruna, Escuela Tecn Super Ingn Caminos Canales & Puertos, La Coruna, Spain.
[Dai, Zhenxue; Wolfsberg, Andrew; Levitt, Daniel] Los Alamos Natl Lab, Div Earth & Environm Sci, Los Alamos, NM 87545 USA.
RP Samper, J (reprint author), Univ A Coruna, Escuela Tecn Super Ingn Caminos Canales & Puertos, La Coruna, Spain.
EM daiz@lanl.gov; jsamper@udc.es; awol-f@lanl.gov
RI Samper, Javier /F-7311-2016;
OI Samper, Javier /0000-0002-9532-8433; Dai, Zhenxue/0000-0002-0805-7621
NR 50
TC 22
Z9 23
U1 1
U2 6
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 1474-7065
J9 PHYS CHEM EARTH
JI Phys. Chem. Earth
PY 2008
VL 33
BP S177
EP S185
DI 10.1016/j.pce.2008.10.012
PG 9
WC Geosciences, Multidisciplinary; Meteorology & Atmospheric Sciences;
Water Resources
SC Geology; Meteorology & Atmospheric Sciences; Water Resources
GA 384KO
UT WOS:000261743900022
ER
PT J
AU Senger, R
Marschall, P
Finsterle, S
AF Senger, Rainer
Marschall, Paul
Finsterle, Stefan
TI Investigation of two-phase flow phenomena associated with corrosion in
an SF/HLW repository in Opalinus Clay, Switzerland
SO PHYSICS AND CHEMISTRY OF THE EARTH
LA English
DT Article; Proceedings Paper
CT 3rd International Meeting on Clays in Natural and Engineered Barriers
for Radioactive Waste Confinement
CY SEP 17-20, 2005
CL Lille, FRANCE
SP French Natl Radioact Waste Management Agcy
DE Gas generation; Canister corrosion; Opalinous Clay
ID STORAGE
AB Gas generation from corrosion of the waste canisters and gas accumulation in the backfilled emplacement tunnels is a key issue in the assessment of long-term radiological safety of the proposed repository for spent fuel and high-level waste (SF/HLW) sited in the Opalinus Clay formation of Northern Switzerland. Previous modeling studies indicated a significant pressure buildup in the backfilled emplacement tunnels for those sensitivity runs, where corrosion rates were high and the permeability of the Opalinus Clay was very low. As an extension to those studies, a refined process model of the canister corrosion phenomena has been developed, which accounts not only for the gas generation but also for the water consumption associated with the chemical reaction of corrosion of steel under anaerobic conditions. The simulations with the new process model indicate, that with increasing corrosion rates and decreasing host-rock permeability, pressure buildup increased, as expected. However, the simulations taking into account water consumption show that the pressure buildup is reduced compared to the simulation considering only gas generation. The pressure reduction is enhanced for lower permeability of the Opalinus Clay and for higher corrosion rates, which correspond to higher gas generations rates and higher water consumption rates. Moreover, the simulated two-phase flow patterns in the engineered barrier system (EBS) and surrounding Opalinus Clay show important differences at late time of the gas production phase as the generated gas continues to migrate outward into the surrounding host rock. For the case without water consumption, the water flow indicates overall downward flow due to a change in the overall density of the gas-fluid mixture from that based on the initially prescribed hydrostatic pressure gradient. For the case with water consumption, water flow converges toward the waste canister at a rate corresponding to the water consumption rate associated with the corrosion reaction. The water flow toward the canister is maintained even for very low permeabilities of the Opalinus clay sustaining the anaerobic corrosion of the steel canister. (C) 2008 Elsevier Ltd. All rights reserved.
C1 [Senger, Rainer] INTERA Inc, Austin, TX 78757 USA.
[Marschall, Paul] NAGRA, CH-5430 Wettingen, Switzerland.
[Finsterle, Stefan] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
RP Senger, R (reprint author), INTERA Inc, 1812 Ctr Creek Dr, Austin, TX 78757 USA.
EM rsenger@intera.com; paul.marschall@nagra.ch; safinsterle@lbl.gov
RI Finsterle, Stefan/A-8360-2009
OI Finsterle, Stefan/0000-0002-4446-9906
NR 15
TC 5
Z9 5
U1 0
U2 2
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 1474-7065
J9 PHYS CHEM EARTH
JI Phys. Chem. Earth
PY 2008
VL 33
BP S317
EP S326
DI 10.1016/j.pce.2008.10.034
PG 10
WC Geosciences, Multidisciplinary; Meteorology & Atmospheric Sciences;
Water Resources
SC Geology; Meteorology & Atmospheric Sciences; Water Resources
GA 384KO
UT WOS:000261743900038
ER
PT J
AU Lee, H
Jin, H
Yu, Y
Glimm, J
AF Lee, Hyunsun
Jin, Hyeonseong
Yu, Yan
Glimm, James
TI On validation of turbulent mixing simulations for Rayleigh-Taylor
instability
SO PHYSICS OF FLUIDS
LA English
DT Article
ID FRONT TRACKING; MASS DIFFUSION; VISCOSITY; MODEL
AB The purpose of this paper is to analyze the validation achieved in recent simulations of Rayleigh-Taylor unstable mixing. The simulations are already in agreement with experiment; mesh refinement or insertion of a calibrated subgrid model for mass diffusion will serve to refine this validation and possibly shed light on the role of unobserved long wavelength perturbations in the initial data. In this paper we present evidence to suggest that a subgrid model will have a barely noticeable effect on the simulation. The analysis is of independent interest, as it connects a validated simulation to common studies of mixing properties. The average molecular mixing parameter theta for the ideal and immiscible simulations is zero at a grid block level, as is required by the exact microphysics of these simulations. Averaging of data over volumes of (4 Delta x)(3) to (8 Delta x)(3) yields a conventional value theta similar to 0.8, suggesting that fluid entrainment in front tracked simulations produces a result similar to numerical mass diffusion in untracked simulations. The miscible simulations yield a nonzero theta similar to 0.8 in agreement with experimental values. We find spectra in possible approximate agreement with the Kolmogorov theory. A characteristic upturn especially in the density fluctuation spectrum at high wave numbers suggests the need for a subgrid mass diffusion model, while the small size of the upturn and the analysis of theta suggest that the magnitude of the model will not be large. We study directly the appropriate settings for a subgrid diffusion coefficient, to be inserted into simulations modeling miscible experiments. This is our most definitive assessment of the role for a subgrid model. We find that a Smagorinsky-type subgrid mass diffusion model would have a diffusion coefficient at most about 0.15% of the value of the physical mass diffusion for the (mass diffusive) experiment studied. (C) 2008 American Institute of Physics.
C1 [Lee, Hyunsun; Yu, Yan; Glimm, James] SUNY Stony Brook, Dept Appl Math & Stat, Stony Brook, NY 11794 USA.
[Jin, Hyeonseong] Cheju Natl Univ, Dept Math, Cheju 690756, South Korea.
[Glimm, James] Brookhaven Natl Lab, Ctr Comp Sci, Upton, NY 11793 USA.
RP Lee, H (reprint author), SUNY Stony Brook, Dept Appl Math & Stat, Stony Brook, NY 11794 USA.
NR 29
TC 1
Z9 1
U1 0
U2 3
PU AMER INST PHYSICS
PI MELVILLE
PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1,
MELVILLE, NY 11747-4501 USA
SN 1070-6631
J9 PHYS FLUIDS
JI Phys. Fluids
PD JAN
PY 2008
VL 20
IS 1
AR 012102
DI 10.1063/1.2832775
PG 8
WC Mechanics; Physics, Fluids & Plasmas
SC Mechanics; Physics
GA 257TM
UT WOS:000252821400006
ER
PT J
AU Sprague, MA
Weidman, PD
Macumber, S
Fischer, PF
AF Sprague, M. A.
Weidman, P. D.
Macumber, S.
Fischer, P. F.
TI Tailored Taylor vortices
SO PHYSICS OF FLUIDS
LA English
DT Article
ID COUETTE-FLOW; VORTEX FLOW; STABILITY
AB The stability of circular Couette flow in discontinuous axisymmetric geometries is investigated using numerical simulations and physical experiments. By contouring the geometry of the inner cylinder, Taylor vortices can be made to appear in discrete sections along the length of the cylinder while adjoining sections remain stable. The disparate flows are connected by transition regions that arise from the stability of the axially nonuniform base flow state. The geometry of the inner cylinder can be tailored to produce the simultaneous onset of Taylor vortices of different wavelength in neighboring sections. In another variant, a stack of inner cylinders of common radius are made to rotate independently to produce adjacent regions of stable and unstable flow. (C) 2008 American Institute of Physics.
C1 [Sprague, M. A.] Univ Calif, Sch Nat Sci, Meced, CA 95344 USA.
[Weidman, P. D.] Univ Colorado, Dept Mech Engn, Boulder, CO 80309 USA.
[Macumber, S.] Univ Colorado, Dept Appl Math, Boulder, CO 80309 USA.
[Fischer, P. F.] Argonne Natl Lab, Div Math & Comp Sci, Argonne, IL 60439 USA.
RP Sprague, MA (reprint author), Univ Calif, Sch Nat Sci, Meced, CA 95344 USA.
EM msprague@ucmerced.edu
NR 21
TC 8
Z9 8
U1 0
U2 5
PU AMER INST PHYSICS
PI MELVILLE
PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1,
MELVILLE, NY 11747-4501 USA
SN 1070-6631
J9 PHYS FLUIDS
JI Phys. Fluids
PD JAN
PY 2008
VL 20
IS 1
AR 014102
DI 10.1063/1.2831493
PG 9
WC Mechanics; Physics, Fluids & Plasmas
SC Mechanics; Physics
GA 257TM
UT WOS:000252821400011
ER
PT S
AU Singleton, J
McDonald, RD
Harrison, N
AF Singleton, J.
McDonald, R. D.
Harrison, N.
BE Lebed, AG
TI High-field Magnetoresistive Effects in Reduced-Dimensionality Organic
Metals and Superconductors
SO PHYSICS OF ORGANIC SUPERCONDUCTORS AND CONDUCTORS
SE Springer Series in Materials Science
LA English
DT Review; Book Chapter
ID ANGLE-DEPENDENT MAGNETORESISTANCE; HIGH MAGNETIC-FIELDS; BEDT-TTF
BIS(ETHYLENE-DITHIO)TETRATHIAFULVALENE; SMALL CLOSED ORBITS;
FERMI-SURFACE TOPOLOGY; QUASI-2-DIMENSIONAL CONDUCTORS;
ELECTRICAL-CONDUCTIVITY; QUANTUM OSCILLATIONS; CRITICAL-TEMPERATURE;
ANISOTROPIC METALS
AB The large charge-transfer anisotropy of quasi-one- and quasi-two-dimensional crystalline organic metals means that magnetoresistance is one of the most powerful tools for probing their bandstructure and interesting phase diagrams. Here we review various magnetoresistance phenomena that are of interest in the investigation of metallic, superconducting, and charge-density-wave organic systems.
C1 [Singleton, J.; McDonald, R. D.; Harrison, N.] Los Alamos Natl Lab, Natl High Magnet Field Lab, Los Alamos, NM 87545 USA.
RP Singleton, J (reprint author), Los Alamos Natl Lab, Natl High Magnet Field Lab, TA 35,MS E536, Los Alamos, NM 87545 USA.
EM jsingle@lanl.gov; rmcd@lanl.gov; nharrison@lanl.gov
NR 93
TC 1
Z9 1
U1 0
U2 0
PU SPRINGER-VERLAG BERLIN
PI BERLIN
PA HEIDELBERGER PLATZ 3, D-14197 BERLIN, GERMANY
SN 0933-033X
BN 978-3-540-76667-4
J9 SPRINGER SER MATER S
PY 2008
VL 110
BP 247
EP 276
D2 10.1007/978-3-540-76672-8
PG 30
WC Materials Science, Multidisciplinary; Physics, Applied
SC Materials Science; Physics
GA BJM25
UT WOS:000266794800009
ER
PT S
AU Harrison, N
McDonald, R
Singleton, J
AF Harrison, N.
McDonald, R.
Singleton, J.
BE Lebed, AG
TI Orbitally Quantized Density-Wave States Perturbed from Equilibrium
SO PHYSICS OF ORGANIC SUPERCONDUCTORS AND CONDUCTORS
SE Springer Series in Materials Science
LA English
DT Article; Book Chapter
ID ORGANIC CONDUCTOR ALPHA-(BEDT-TTF)(2)KHG(SCN)(4); MAGNETIC-FIELDS;
SURFACE-STATES; QUANTUM; SUPERCONDUCTORS; (TMTSF)2CLO4; SYSTEM;
STABILITY
AB We consider the effect that experimental changes in the magnetic induction B have in causing an orbitally quantized field-induced spin- or charge-density wave (FISDW or FICDW) state to depart from thermodynamic equilibrium. The competition between elastic forces of the density wave (DW) and pinning leads to the realization of a critical state that is in many ways analogous to that realized within the vortex state of type II superconductors. Such a critical state has been verified experimentally in charge-transfer salts of the composition alpha-(BEDT-TTF)(2)MHg(SCN)(4), but should be a generic property of all orbitally quantized DW phases. The metastable state consists of a balance between the DW pinning force and the Lorentz force on extended currents associated with drifting cyclotron orbits, resulting in the establishment of persistent currents throughout the bulk and to the possibility of a three-dimensional 'chiral metal' that extends deep into the interior of a crystal.
C1 [Harrison, N.; McDonald, R.; Singleton, J.] Los Alamos Natl Lab, Natl High Magnet Field Lab, Los Alamos, NM 87545 USA.
RP Harrison, N (reprint author), Los Alamos Natl Lab, Natl High Magnet Field Lab, TA 35,MS E536, Los Alamos, NM 87545 USA.
EM nharrison@lanl.gov; rmcd@lanl.gov; jsingle@lanl.gov
NR 40
TC 0
Z9 0
U1 0
U2 0
PU SPRINGER-VERLAG BERLIN
PI BERLIN
PA HEIDELBERGER PLATZ 3, D-14197 BERLIN, GERMANY
SN 0933-033X
BN 978-3-540-76667-4
J9 SPRINGER SER MATER S
PY 2008
VL 110
BP 551
EP 568
D2 10.1007/978-3-540-76672-8
PG 18
WC Materials Science, Multidisciplinary; Physics, Applied
SC Materials Science; Physics
GA BJM25
UT WOS:000266794800018
ER
PT J
AU Amendt, P
Cerjan, C
Hinkel, DE
Milovich, JL
Park, HS
Robey, HF
AF Amendt, Peter
Cerjan, C.
Hinkel, D. E.
Milovich, J. L.
Park, H. -S.
Robey, H. F.
TI Rugby-like hohlraum experimental designs for demonstrating x-ray drive
enhancement
SO PHYSICS OF PLASMAS
LA English
DT Article
ID EMISSION; TARGETS; PLASMAS
AB A suite of experimental designs for the Omega laser facility [Boehly , Opt. Commun. 133, 495 (1997)] using rugby and cylindrical hohlraums is proposed to confirm the energetics benefits of rugby-shaped hohlraums over cylinders under optimal implosion symmetry conditions. Postprocessed Dante x-ray drive measurements predict a 12-17 eV (23%-36%) peak hohlraum temperature (x-ray flux) enhancement for a 1 ns flattop laser drive history. Simulated core self-emission x-ray histories also show earlier implosion times by 200-400 ps, depending on the hohlraum case-to-capsule ratio and laser-entrance-hole size. Capsules filled with 10 or 50 atm of deuterium (DD) are predicted to give in excess of 10(10) neutrons in two-dimensional hohlraum simulations in the absence of mix, enabling DD burn history measurements for the first time in indirect-drive on Omega. Capsule designs with 50 atm of D(3)He are also proposed to make use of proton slowing for independently verifying the drive benefits of rugby hohlraums. Scale-5/4 hohlraum designs are also introduced to provide further margin to potential laser-plasma-induced backscatter and hot-electron production.
C1 [Amendt, Peter; Cerjan, C.; Hinkel, D. E.; Milovich, J. L.; Park, H. -S.; Robey, H. F.] Lawrence Livermore Natl Lab, Livermore, CA 94551 USA.
RP Amendt, P (reprint author), Lawrence Livermore Natl Lab, Livermore, CA 94551 USA.
NR 21
TC 23
Z9 24
U1 0
U2 3
PU AMER INST PHYSICS
PI MELVILLE
PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1,
MELVILLE, NY 11747-4501 USA
SN 1070-664X
J9 PHYS PLASMAS
JI Phys. Plasmas
PD JAN
PY 2008
VL 15
IS 1
AR 012702
DI 10.1063/1.2825662
PG 9
WC Physics, Fluids & Plasmas
SC Physics
GA 257TN
UT WOS:000252821500031
ER
PT J
AU Davidson, RC
AF Davidson, Ronald C.
TI Announcement: The 2007 James Clerk Maxwell prize for plasma physics
SO PHYSICS OF PLASMAS
LA English
DT Biographical-Item
C1 Princeton Plasma Phys Lab, Princeton, NJ 08543 USA.
RP Davidson, RC (reprint author), Princeton Plasma Phys Lab, James Forrestal Campus,POB 451, Princeton, NJ 08543 USA.
NR 1
TC 0
Z9 0
U1 0
U2 0
PU AMER INST PHYSICS
PI MELVILLE
PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1,
MELVILLE, NY 11747-4501 USA
SN 1070-664X
J9 PHYS PLASMAS
JI Phys. Plasmas
PD JAN
PY 2008
VL 15
IS 1
AR 010201
DI 10.1063/1.2813460
PG 1
WC Physics, Fluids & Plasmas
SC Physics
GA 257TN
UT WOS:000252821500001
ER
PT J
AU Diamond, PH
McDevitt, CJ
Gurcan, OD
Hahm, TS
Naulin, V
AF Diamond, P. H.
McDevitt, C. J.
Guercan, Oe. D.
Hahm, T. S.
Naulin, V.
TI Transport of parallel momentum by collisionless drift wave turbulence
SO PHYSICS OF PLASMAS
LA English
DT Article
ID C-MOD PLASMAS; TOROIDAL ROTATION; EDGE TURBULENCE; POLOIDAL ROTATION;
ENERGY-TRANSPORT; TOKAMAK PLASMA; VELOCITY-SHEAR; ELECTRIC-FIELD;
CONFINEMENT; DIFFUSION
AB This paper presents a novel, unified approach to the theory of turbulent transport of parallel momentum by collisionless drift waves. The physics of resonant and nonresonant off-diagonal contributions to the momentum flux is emphasized, and collisionless momentum exchange between waves and particles is accounted for. Two related momentum conservation theorems are derived. These relate the resonant particle momentum flux, the wave momentum flux, and the refractive force. A perturbative calculation, in the spirit of Chapman-Enskog theory, is used to obtain the wave momentum flux, which contributes significantly to the residual stress. A general equation for mean k(parallel to) (< k(parallel to)>) is derived and used to develop a generalized theory of symmetry breaking. The resonant particle momentum flux is calculated, and pinch and residual stress effects are identified. The implications of the theory for intrinsic rotation and momentum transport bifurcations are discussed. (c) 2008 American Institute of Physics.
C1 [Diamond, P. H.; McDevitt, C. J.; Guercan, Oe. D.] Univ Calif San Diego, Ctr Astrophys & Space Sci, La Jolla, CA 92093 USA.
[Hahm, T. S.] Princeton Univ, Princeton Plasma Phys Lab, Princeton, NJ 08543 USA.
[Naulin, V.] Danish Tech Univ, EURATOM Assoc, Riso Natl Lab, DK-4000 Roskilde, Denmark.
RP Diamond, PH (reprint author), Univ Calif San Diego, Ctr Astrophys & Space Sci, 9500 Gilman Dr, La Jolla, CA 92093 USA.
RI Naulin , Volker/A-2419-2012; Gurcan, Ozgur/A-1362-2013;
OI Naulin , Volker/0000-0001-5452-9215; Gurcan, Ozgur/0000-0002-2278-1544;
McDevitt, Christopher/0000-0002-3674-2909
NR 71
TC 90
Z9 90
U1 0
U2 11
PU AMER INST PHYSICS
PI MELVILLE
PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1,
MELVILLE, NY 11747-4501 USA
SN 1070-664X
EI 1089-7674
J9 PHYS PLASMAS
JI Phys. Plasmas
PD JAN
PY 2008
VL 15
IS 1
AR 012303
DI 10.1063/1.2826436
PG 21
WC Physics, Fluids & Plasmas
SC Physics
GA 257TN
UT WOS:000252821500018
ER
PT J
AU Rovang, DC
Bruner, N
Maenchen, JE
Oliver, BV
Portillo, S
Puetz, E
Rose, DV
Welch, DR
AF Rovang, D. C.
Bruner, N.
Maenchen, J. E.
Oliver, B. V.
Portillo, S.
Puetz, E.
Rose, D. V.
Welch, D. R.
TI The role of ions during stable impedance operation of the immersed-B(z)
diode at 4 to 5 MV (vol 14, art no 113107, 2007)
SO PHYSICS OF PLASMAS
LA English
DT Correction
C1 [Bruner, N.; Rose, D. V.; Welch, D. R.] Voss Sci, Albuquerque, NM USA.
[Rovang, D. C.; Bruner, N.; Maenchen, J. E.; Oliver, B. V.; Portillo, S.; Puetz, E.; Rose, D. V.; Welch, D. R.] Sandia Natl Labs, Albuquerque, NM 87185 USA.
RP Rovang, DC (reprint author), Sandia Natl Labs, POB 5800, Albuquerque, NM 87185 USA.
EM dcrovan@sandia.gov
NR 1
TC 2
Z9 2
U1 0
U2 0
PU AMER INST PHYSICS
PI MELVILLE
PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1,
MELVILLE, NY 11747-4501 USA
SN 1070-664X
J9 PHYS PLASMAS
JI Phys. Plasmas
PD JAN
PY 2008
VL 15
IS 1
AR 019902
DI 10.1063/1.2829024
PG 1
WC Physics, Fluids & Plasmas
SC Physics
GA 257TN
UT WOS:000252821500063
ER
PT J
AU Wyman, MD
Chapman, BE
Ahn, JW
Almagri, AF
Anderson, JK
Bonomo, F
Brower, DL
Combs, SK
Craig, D
Den Hartog, DJ
Deng, BH
Ding, WX
Ebrahimi, F
Ennis, DA
Fiksel, G
Foust, CR
Franz, P
Gangadhara, S
Goetz, JA
O'Connell, R
Oliva, SP
Prager, SC
Reusch, JA
Sarff, JS
Stephens, HD
Yates, T
AF Wyman, M. D.
Chapman, B. E.
Ahn, J. W.
Almagri, A. F.
Anderson, J. K.
Bonomo, F.
Brower, D. L.
Combs, S. K.
Craig, D.
Den Hartog, D. J.
Deng, B. H.
Ding, W. X.
Ebrahimi, F.
Ennis, D. A.
Fiksel, G.
Foust, C. R.
Franz, P.
Gangadhara, S.
Goetz, J. A.
O'Connell, R.
Oliva, S. P.
Prager, S. C.
Reusch, J. A.
Sarff, J. S.
Stephens, H. D.
Yates, T.
TI High-beta, improved confinement reversed-field pinch plasmas at high
density
SO PHYSICS OF PLASMAS
LA English
DT Article
ID POLOIDAL CURRENT DRIVE; MADISON SYMMETRIC TORUS; PELLET INJECTION;
TRANSPORT REDUCTION; RFX; SYSTEM; MST
AB In Madison Symmetric Torus [Dexter , Fusion Technol. 19, 131 (1991)] discharges where improved confinement is brought about by modification of the current profile, pellet injection has quadrupled the density, reaching n(e)=4x10(19) m(-3). Without pellet injection, the achievable density in improved confinement discharges had been limited by edge-resonant tearing instability. With pellet injection, the total beta has been increased to 26%, and the energy confinement time is comparable to that at low density. Pressure-driven local interchange and global tearing are predicted to be linearly unstable. Interchange has not yet been observed experimentally, but there is possible evidence of pressure-driven tearing, an instability usually driven by the current gradient in the reversed-field pinch. (c) 2008 American Institute of Physics.
C1 [Wyman, M. D.; Chapman, B. E.; Ahn, J. W.; Almagri, A. F.; Anderson, J. K.; Craig, D.; Den Hartog, D. J.; Ebrahimi, F.; Ennis, D. A.; Fiksel, G.; Gangadhara, S.; Goetz, J. A.; O'Connell, R.; Oliva, S. P.; Prager, S. C.; Reusch, J. A.; Sarff, J. S.; Stephens, H. D.] Univ Wisconsin, Dept Phys, Madison, WI 53706 USA.
[Bonomo, F.; Franz, P.] Consorzio RFX, Corso Stati Uniti 4, I-35127 Padua, Italy.
[Brower, D. L.; Deng, B. H.; Ding, W. X.; Yates, T.] Univ Calif Los Angeles, Dept Phys & Astron, Los Angeles, CA 90095 USA.
[Combs, S. K.; Foust, C. R.] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
[Craig, D.] Wheaton Coll, Wheaton, IL 60187 USA.
RP Wyman, MD (reprint author), Tri Alpha Energy, Rancho Santa Margarita, CA 92688 USA.
EM mwyman@trialphaenergy.com
NR 27
TC 13
Z9 13
U1 1
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 1070-664X
J9 PHYS PLASMAS
JI Phys. Plasmas
PD JAN
PY 2008
VL 15
IS 1
AR 010701
DI 10.1063/1.2835439
PG 4
WC Physics, Fluids & Plasmas
SC Physics
GA 257TN
UT WOS:000252821500002
ER
PT J
AU Yin, L
Albright, BJ
Bowers, KJ
Daughton, W
Rose, HA
AF Yin, L.
Albright, B. J.
Bowers, K. J.
Daughton, W.
Rose, H. A.
TI Saturation of backward stimulated scattering of laser in kinetic regime:
Wavefront bowing, trapped particle modulational instability, and trapped
particle self-focusing of plasma waves
SO PHYSICS OF PLASMAS
LA English
DT Article
ID HOT-SPOTS; BRILLOUIN-SCATTERING; RAMAN BACKSCATTER; DECAY INSTABILITY;
PHYSICS; MODEL
AB Backward stimulated Raman and Brillouin scattering (SRS and SBS) of laser are examined in the kinetic regime using particle-in-cell simulations. The SRS reflectivity measured as a function of the laser intensity in a single hot spot from two-dimensional (2D) simulations shows a sharp onset at a threshold laser intensity and a saturated level at higher intensities, as obtained previously in Trident experiments [D. S. Montgomery , Phys. Plasmas 9, 2311 (2002)]. In these simulations, wavefront bowing of electron plasma waves (ion acoustic waves) due to the trapped particle nonlinear frequency shift, which increases with laser intensity, is observed in the SRS (SBS) regime for the first time. Self-focusing from trapped particle modulational instability (TPMI) [H. A. Rose, Phys. Plasmas 12, 12318 (2005)] is shown to occur in both two- and three-dimensional SRS simulations. The key physics underlying nonlinear saturation of SRS is identified as a combination of wavefront bowing, TPMI, and self-focusing of electron plasma waves. The wavefront bowing marks the beginning of SRS saturation and self-focusing alone is sufficient to terminate the SRS reflectivity, both effects resulting from cancellation of the source term for SRS and from greatly increased dissipation rate of the electron plasm waves. Ion acoustic wave bowing also contributes to the SBS saturation. Velocity diffusion by transverse modes and rapid loss of hot electrons in regions of small transverse extent formed from self-focusing lead to dissipation of the wave energy and an increase in the Landau damping rate in spite of strong electron trapping that reduces Landau damping initially. The ranges of wavelength and growth rate associated with transverse breakup of the electron-plasma wave are also examined in 2D speckle simulations as well as in 2D periodic systems from Bernstein-Greene-Kruskal equilibrium and are compared with theory predictions.
C1 [Yin, L.; Albright, B. J.; Bowers, K. J.; Daughton, W.; Rose, H. A.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
RP Yin, L (reprint author), Los Alamos Natl Lab, POB 1663, Los Alamos, NM 87545 USA.
EM lyin@lanl.gov
RI Daughton, William/L-9661-2013;
OI Albright, Brian/0000-0002-7789-6525; Yin, Lin/0000-0002-8978-5320
NR 41
TC 35
Z9 37
U1 2
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 1070-664X
J9 PHYS PLASMAS
JI Phys. Plasmas
PD JAN
PY 2008
VL 15
IS 1
AR 013109
DI 10.1063/1.2825663
PG 15
WC Physics, Fluids & Plasmas
SC Physics
GA 257TN
UT WOS:000252821500041
ER
PT S
AU Levine, MD
AF Levine, Mark. D.
BE Hafemeister, D
Levi, BG
Levine, MD
Schwartz, P
TI Energy Efficiency in China: Glorious History, Uncertain Future
SO PHYSICS OF SUSTAINABLE ENERGY: USING ENERGY EFFICIENTLY AND PRODUCING IT
RENEWABLY
SE AIP CONFERENCE PROCEEDINGS
LA English
DT Proceedings Paper
CT Short Course on Physics of Sustainable Energy
CY MAR 01-02, 2008
CL Univ Calif Berkeley, Berkeley, CA
SP APS Forum Phys & Soc
HO Univ Calif Berkeley
AB China's rapid economic growth of 10% per year has been accompanied by an annual energy growth rate of greater than 10% from 2001-2005, This in turn has led to the construction of 1 to 2 GWe of electrical generating capacity per week over the period, with the vast majority of the power plants using coal. Because of the energy growth, China has equaled the carbon consumption rate of United States at 6 billion tonnes/year in 2006, far sooner than was expected. This paper discusses the periods of energy growth and efficiency policy in China. This includes "Soviet Style" Energy Policy (1949-1980); Deng's Initial Reforms (1981-1992); Transition Period (1993 to 2001); Energy Crisis in China: 2001 to 2006, a repeat of much earlier "inglorious history; and the present efforts to return to an earlier period (Deng's Initial Reforms) in which energy growth may be more sustainable. Recommendations are given for policies to promote energy efficiency,
C1 Univ Calif Berkeley, Lawrence Berkeley Lab, Environm Energy Technol Div, Berkeley, CA 94720 USA.
RP Levine, MD (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, Environm Energy Technol Div, Berkeley, CA 94720 USA.
NR 0
TC 2
Z9 2
U1 0
U2 1
PU AMER INST PHYSICS
PI MELVILLE
PA 2 HUNTINGTON QUADRANGLE, STE 1NO1, MELVILLE, NY 11747-4501 USA
SN 0094-243X
BN 978-0-7354-0572-1
J9 AIP CONF PROC
PY 2008
VL 1044
BP 15
EP 27
PG 13
WC Energy & Fuels; Physics, Applied
SC Energy & Fuels; Physics
GA BIJ29
UT WOS:000259999800002
ER
PT S
AU Hoffman, AR
AF Hoffman, Allan R.
BE Hafemeister, D
Levi, BG
Levine, MD
Schwartz, P
TI Water Security: A Growing Crisis and the Link to Energy
SO PHYSICS OF SUSTAINABLE ENERGY: USING ENERGY EFFICIENTLY AND PRODUCING IT
RENEWABLY
SE AIP CONFERENCE PROCEEDINGS
LA English
DT Proceedings Paper
CT Short Course on Physics of Sustainable Energy
CY MAR 01-02, 2008
CL Univ Calif Berkeley, Berkeley, CA
SP APS Forum Phys & Soc
HO Univ Calif Berkeley
AB This paper explores the global situation with respect to fresh water availability and the link-age between water and energy.
C1 US DOE, Off Energy Efficiency & Renewable Energy, Washington, DC 20585 USA.
RP Hoffman, AR (reprint author), US DOE, Off Energy Efficiency & Renewable Energy, 1000 Independence Ave, Washington, DC 20585 USA.
NR 0
TC 6
Z9 6
U1 0
U2 0
PU AMER INST PHYSICS
PI MELVILLE
PA 2 HUNTINGTON QUADRANGLE, STE 1NO1, MELVILLE, NY 11747-4501 USA
SN 0094-243X
BN 978-0-7354-0572-1
J9 AIP CONF PROC
PY 2008
VL 1044
BP 55
EP 63
PG 9
WC Energy & Fuels; Physics, Applied
SC Energy & Fuels; Physics
GA BIJ29
UT WOS:000259999800005
ER
PT S
AU Selkowitz, S
AF Selkowitz, Stephen
BE Hafemeister, D
Levi, BG
Levine, MD
Schwartz, P
TI Progress Towards Highly Efficient Windows for Zero-Energy Buildings
SO PHYSICS OF SUSTAINABLE ENERGY: USING ENERGY EFFICIENTLY AND PRODUCING IT
RENEWABLY
SE AIP CONFERENCE PROCEEDINGS
LA English
DT Proceedings Paper
CT Short Course on Physics of Sustainable Energy
CY MAR 01-02, 2008
CL Univ Calif Berkeley, Berkeley, CA
SP APS Forum Phys & Soc
HO Univ Calif Berkeley
AB Energy efficient windows could save 4 quads/ear, with an additional 1 quad/year gain from daylighting in commercial buildings. This corresponds to 13% of energy used by US buildings and 5% of all energy used by the US. The technical potential is thus very large and the economic potential is slowly becoming a reality. This paper describes the progress in energy efficient windows that employ low-emissivity glazing, electrochromic switchable coatings and other novel materials. Dynamic systems are being developed that use sensors and controls to modulate daylighting and shading contributions in response to occupancy, comfort and energy needs. Improving the energy performance of windows involves physics in a variety of application: optics, heat transfer, materials science and applied engineering. Technical solutions must also be compatible with national policy, codes and standards, economics, business practice and investment real and perceived risks, comfort, health, safety, productivity, amenities. and occupant preference and values. The challenge is to optimize energy performance by understanding and reinforcing the synergetic Coupling between these many issues.
C1 Univ Calif Berkeley, Lawrence Berkeley Lab, Bldg Technol Dept, Environm Energy Technol Div, Berkeley, CA 94720 USA.
RP Selkowitz, S (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, Bldg Technol Dept, Environm Energy Technol Div, Berkeley, CA 94720 USA.
NR 1
TC 0
Z9 0
U1 0
U2 4
PU AMER INST PHYSICS
PI MELVILLE
PA 2 HUNTINGTON QUADRANGLE, STE 1NO1, MELVILLE, NY 11747-4501 USA
SN 0094-243X
BN 978-0-7354-0572-1
J9 AIP CONF PROC
PY 2008
VL 1044
BP 112
EP 123
PG 12
WC Energy & Fuels; Physics, Applied
SC Energy & Fuels; Physics
GA BIJ29
UT WOS:000259999800008
ER
PT S
AU McMahon, JE
AF McMahon, James E.
BE Hafemeister, D
Levi, BG
Levine, MD
Schwartz, P
TI Appliances: Designs and Standards for Sustainability
SO PHYSICS OF SUSTAINABLE ENERGY: USING ENERGY EFFICIENTLY AND PRODUCING IT
RENEWABLY
SE AIP CONFERENCE PROCEEDINGS
LA English
DT Proceedings Paper
CT Short Course on Physics of Sustainable Energy
CY MAR 01-02, 2008
CL Univ Calif Berkeley, Berkeley, CA
SP APS Forum Phys & Soc
HO Univ Calif Berkeley
AB Buildings consume 40% of US energy and produce 39% of US carbon dioxide. These numbers can be dramatically reduced with improved appliance efficiency. For example, energy use by the average new refrigerator dropped about 70% from 1974-2002, thanks to improved materials, technologies and designs. In this chapter, I review progress in gas furnaces, air conditioning and lighting, as well as the trends in refrigerators and freezers. The goal of zero net-energy buildings appears possible. In the future, buildings might consume perhaps 70% less energy than today due to efficient building components, appliances, equipment and lighting; systems integration; better controls; and behavioral changes. The remaining 30% energy needs could be Supplied by low- or no-carbon energy sources.
C1 Univ Calif Berkeley, Lawrence Berkeley Lab, Environm Energy Technol Div, Energy Anal Dept, Berkeley, CA 94720 USA.
RP McMahon, JE (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, Environm Energy Technol Div, Energy Anal Dept, Berkeley, CA 94720 USA.
NR 5
TC 0
Z9 0
U1 1
U2 2
PU AMER INST PHYSICS
PI MELVILLE
PA 2 HUNTINGTON QUADRANGLE, STE 1NO1, MELVILLE, NY 11747-4501 USA
SN 0094-243X
BN 978-0-7354-0572-1
J9 AIP CONF PROC
PY 2008
VL 1044
BP 124
EP 140
PG 17
WC Energy & Fuels; Physics, Applied
SC Energy & Fuels; Physics
GA BIJ29
UT WOS:000259999800009
ER
PT S
AU Wray, CP
Sherman, MH
Walker, IS
Dickerhoff, DJ
Federspiel, CC
AF Wray, C. P.
Sherman, M. H.
Walker, I. S.
Dickerhoff, D. J.
Federspiel, C. C.
BE Hafemeister, D
Levi, BG
Levine, MD
Schwartz, P
TI Heating, Ventilating, and Air-Conditioning: Recent Advances in
Diagnostics and Controls to Improve Air-Handling System Performance
SO PHYSICS OF SUSTAINABLE ENERGY: USING ENERGY EFFICIENTLY AND PRODUCING IT
RENEWABLY
SE AIP Conference Proceedings
LA English
DT Proceedings Paper
CT Short Course on Physics of Sustainable Energy
CY MAR 01-02, 2008
CL Univ Calif Berkeley, Berkeley, CA
SP APS Forum Phys & Soc
HO Univ Calif Berkeley
AB The performance of air-handling systems in buildings needs to be improved. Many of the deficiencies result from myths and lore and a lack of understanding about the non-linear physical principles embedded in the associated technologies. By incorporating these principles, a few important efforts related to diagnostics and controls have already begun to solve some of the problems. This paper illustrates three novel solutions: one rapidly assesses duct leakage, the second configures ad hoe duct-static-pressure reset strategies, and the third identifies useful intermittent ventilation strategies. By highlighting these efforts, this paper seeks to stimulate new research and technology developments that could further improve air-handling systems.
C1 [Wray, C. P.; Sherman, M. H.; Walker, I. S.; Dickerhoff, D. J.] Univ Calif Berkeley, Lawrence Berkeley Lab, 1 Cyclotron Rd,MS 90R3074, Berkeley, CA 94720 USA.
[Federspiel, C. C.] Federalspiel Controls, El Cerrito, CA 94530 USA.
RP Wray, CP (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, 1 Cyclotron Rd,MS 90R3074, Berkeley, CA 94720 USA.
FU Assistant Secretary for Energy Efficiency and Renewable Energy; U.S.
Department of Energy [DE-AC02-05CH11231]; California Institute for
Energy Efficiency (CIEE); University of California; California Energy
Commission's Public Interest Energy Research Program
FX This work summarized in this paper was supported by the Assistant
Secretary for Energy Efficiency and Renewable Energy, Office of the
Building Technologies Program, U.S. Department of Energy under Contract
No. DE-AC02-05CH11231; by the California Institute for Energy Efficiency
(CIEE), which is a research unit of the University of California; and by
the Energy Innovations Small Grants (EISG) Program, which is part of the
California Energy Commissions Public Interest Energy Research Program.
NR 14
TC 1
Z9 1
U1 0
U2 0
PU AMER INST PHYSICS
PI MELVILLE
PA 2 HUNTINGTON QUADRANGLE, STE 1NO1, MELVILLE, NY 11747-4501 USA
SN 0094-243X
BN 978-0-7354-0572-1
J9 AIP CONF PROC
PY 2008
VL 1044
BP 149
EP +
PG 3
WC Energy & Fuels; Physics, Applied
SC Energy & Fuels; Physics
GA BIJ29
UT WOS:000259999800011
ER
PT S
AU Price, L
AF Price, Lynn
BE Hafemeister, D
Levi, BG
Levine, MD
Schwartz, P
TI Technologies and Policies to Improve Energy Efficiency in Industry
SO PHYSICS OF SUSTAINABLE ENERGY: USING ENERGY EFFICIENTLY AND PRODUCING IT
RENEWABLY
SE AIP CONFERENCE PROCEEDINGS
LA English
DT Proceedings Paper
CT Short Course on Physics of Sustainable Energy
CY MAR 01-02, 2008
CL Univ Calif Berkeley, Berkeley, CA
SP APS Forum Phys & Soc
HO Univ Calif Berkeley
AB The industrial sector consumes nearly 40% of annual global primary energy use and is responsible for a similar share of global energy-related carbon dioxide (CO2) emissions. Many studies and actual experience indicate that there is considerable potential to reduce the amount of energy used to manufacture most commodities, concurrently reducing CO2 emissions. With the support of strong policies and programs, energy-efficient technologies and measures can be implemented that will reduce global CO2 emissions. A number of countries, including the Netherlands, the UK, and China, have experience implementing aggressive programs to improve energy efficiency and reduce related CO2 emissions from industry. Even so. there is no silver bullet and all options must be pursued if greenhouse gas emissions are to be constrained to the level required to avoid significant negative impact-from global climate change.
C1 Univ Calif Berkeley, Lawrence Berkeley Lab, Environm Energy Technol Div, Energy Anal Dept, Berkeley, CA 94720 USA.
RP Price, L (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, Environm Energy Technol Div, Energy Anal Dept, Berkeley, CA 94720 USA.
NR 37
TC 0
Z9 0
U1 0
U2 4
PU AMER INST PHYSICS
PI MELVILLE
PA 2 HUNTINGTON QUADRANGLE, STE 1NO1, MELVILLE, NY 11747-4501 USA
SN 0094-243X
BN 978-0-7354-0572-1
J9 AIP CONF PROC
PY 2008
VL 1044
BP 163
EP 175
PG 13
WC Energy & Fuels; Physics, Applied
SC Energy & Fuels; Physics
GA BIJ29
UT WOS:000259999800012
ER
PT S
AU Gadgil, A
AF Gadgil, Ashok
BE Hafemeister, D
Levi, BG
Levine, MD
Schwartz, P
TI Safe and Affordable Drinking Water for Developing Countries
SO PHYSICS OF SUSTAINABLE ENERGY: USING ENERGY EFFICIENTLY AND PRODUCING IT
RENEWABLY
SE AIP CONFERENCE PROCEEDINGS
LA English
DT Proceedings Paper
CT Short Course on Physics of Sustainable Energy
CY MAR 01-02, 2008
CL Univ Calif Berkeley, Berkeley, CA
SP APS Forum Phys & Soc
HO Univ Calif Berkeley
AB Safe drinking water remains inaccessible for about 1.2 billion people in the world. and the hourly toll from biological contamination of drinking water is 200 deaths mostly among children under five years of age.(1) This chapter summarizes the need for safe drinking water, the scale of the global problem, and various methods tried to address it. Then it gives the history and current status of air innovation ("UV Waterworks (TM)") developed to address this major public health challenge. It reviews water disinfection technologies applicable to achieve the desired quality of drinking water in developing countries, and specifically, the limitations overcome by one particular invention: UV Waterworks. It then briefly describes the business model and financing option than is accelerating its implementation for affordable access to safe drinking water to the unserved populations in these countries. Thus this chapter describes not only the innovation in design of a UV water disinfection system, but also innovation in the delivery model for safe drinking water, with potential for long term growth and sustainability.
C1 Univ Calif Berkeley, Lawrence Berkeley Lab, Environm Energy Technol Div, Berkeley, CA 94720 USA.
RP Gadgil, A (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, Environm Energy Technol Div, Mailstop 90R3058, Berkeley, CA 94720 USA.
NR 18
TC 3
Z9 3
U1 1
U2 7
PU AMER INST PHYSICS
PI MELVILLE
PA 2 HUNTINGTON QUADRANGLE, STE 1NO1, MELVILLE, NY 11747-4501 USA
SN 0094-243X
BN 978-0-7354-0572-1
J9 AIP CONF PROC
PY 2008
VL 1044
BP 176
EP 191
PG 16
WC Energy & Fuels; Physics, Applied
SC Energy & Fuels; Physics
GA BIJ29
UT WOS:000259999800013
ER
PT S
AU Akbari, H
AF Akbari, Hashem
BE Hafemeister, D
Levi, BG
Levine, MD
Schwartz, P
TI Saving Energy and Improving Air Quality in Urban Heat Islands
SO PHYSICS OF SUSTAINABLE ENERGY: USING ENERGY EFFICIENTLY AND PRODUCING IT
RENEWABLY
SE AIP CONFERENCE PROCEEDINGS
LA English
DT Proceedings Paper
CT Short Course on Physics of Sustainable Energy
CY MAR 01-02, 2008
CL Univ Calif Berkeley, Berkeley, CA
SP APS Forum Phys & Soc
HO Univ Calif Berkeley
ID REFLECTIVE ROOFS; BUILDINGS; IMPACTS; BASIN
AB Temperatures in urban areas have increased because solar energy is more strongly absorbed by additional roofs and pavements. Downtown Los Angles is now 2.5 Kelvin warmer than in the 1930s, which requires 1-1.5 GWe more electricity to cool buildings on summer days, costing an extra $100 million/year. Cool roof and pavement materials with increased reflectivity of 0.25 can lower surface temperatures by 10 K. If Los Angles urban temperatures could be reduced by 3 K, ozone concentrations could be reduced considerably.
C1 Univ Calif Berkeley, Lawrence Berkeley Lab, Environm Energy Technol Div, Heat Isl Grp, Berkeley, CA 94720 USA.
RP Akbari, H (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, Environm Energy Technol Div, Heat Isl Grp, Berkeley, CA 94720 USA.
NR 30
TC 3
Z9 3
U1 0
U2 4
PU AMER INST PHYSICS
PI MELVILLE
PA 2 HUNTINGTON QUADRANGLE, STE 1NO1, MELVILLE, NY 11747-4501 USA
SN 0094-243X
BN 978-0-7354-0572-1
J9 AIP CONF PROC
PY 2008
VL 1044
BP 192
EP 208
PG 17
WC Energy & Fuels; Physics, Applied
SC Energy & Fuels; Physics
GA BIJ29
UT WOS:000259999800014
ER
PT S
AU Meier, A
AF Meier, Alan
BE Hafemeister, D
Levi, BG
Levine, MD
Schwartz, P
TI Standby Energy Use in California Homes
SO PHYSICS OF SUSTAINABLE ENERGY: USING ENERGY EFFICIENTLY AND PRODUCING IT
RENEWABLY
SE AIP CONFERENCE PROCEEDINGS
LA English
DT Proceedings Paper
CT Short Course on Physics of Sustainable Energy
CY MAR 01-02, 2008
CL Univ Calif Berkeley, Berkeley, CA
SP APS Forum Phys & Soc
HO Univ Calif Berkeley
AB Many electrical devices in homes continue to draw power while switched off or not actively performing their primary function. These devices include familiar appliances, such as televisions, microwave ovens, computers, set-top boxes, mobile phone chargers, and video and audio components but also less obvious devices like dishwashers, tankless water heaters and smoke detectors. The energy use of these devices while in their low-power modes is now about 980 kWh/year (or 112 watts) per home in California, corresponding to about 13% of the state's total residential electricity use in 2006. If treated as a separate end use, low-power mode energy use is the fourth largest residential end use. About half of the electricity in the electronics end use is consumed in the low-power modes.
C1 Univ Calif Berkeley, Lawrence Berkeley Lab, Environm Energy Technol Div, Berkeley, CA 94720 USA.
RP Meier, A (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, Environm Energy Technol Div, Berkeley, CA 94720 USA.
NR 11
TC 1
Z9 1
U1 1
U2 3
PU AMER INST PHYSICS
PI MELVILLE
PA 2 HUNTINGTON QUADRANGLE, STE 1NO1, MELVILLE, NY 11747-4501 USA
SN 0094-243X
BN 978-0-7354-0572-1
J9 AIP CONF PROC
PY 2008
VL 1044
BP 209
EP 216
PG 8
WC Energy & Fuels; Physics, Applied
SC Energy & Fuels; Physics
GA BIJ29
UT WOS:000259999800015
ER
PT S
AU Wenzel, T
Ross, M
AF Wenzel, Tom
Ross, Marc
BE Hafemeister, D
Levi, BG
Levine, MD
Schwartz, P
TI The Relationship between Vehicle Weight/Size and Safety
SO PHYSICS OF SUSTAINABLE ENERGY: USING ENERGY EFFICIENTLY AND PRODUCING IT
RENEWABLY
SE AIP CONFERENCE PROCEEDINGS
LA English
DT Proceedings Paper
CT Short Course on Physics of Sustainable Energy
CY MAR 01-02, 2008
CL Univ Calif Berkeley, Berkeley, CA
SP APS Forum Phys & Soc
HO Univ Calif Berkeley
AB Light-duty vehicles account for about 20% of US CO2 emissions. However, new vehicle fuel economy standards have not been significantly tightened since they were first enacted three decades ago. A historical impediment to imposing tougher fuel economy standards has been the long-standing perception that reducing the mass of a car or truck would make it more dangerous to its occupants in a crash. One often hears that this perception is dictated by "simple physics:" that, all else being equal, you are at greater risk. in a lighter vehicle than in a heavier one. Our research on driver fatality risk has found that, when it comes to vehicle safety, all else is never equal. Vehicle mass is not the most important variable in determining occupant safety, not even in frontal crashes between two vehicles. You are at no greater risk driving an average car than you are driving a much heavier (and less fuel efficient) truck-based SUV. And larger and heavier truck-based SUVs and pickups impose enormous risks on car occupants. We summarize the most recent research on the interplay between vehicle weight size and safety, and what the implications are for new state and federal standards to reduce vehicle CO2 emissions.
C1 [Wenzel, Tom] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
RP Wenzel, T (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, 1 Cyclotron Rd,90R4000, Berkeley, CA 94720 USA.
NR 5
TC 0
Z9 0
U1 0
U2 0
PU AMER INST PHYSICS
PI MELVILLE
PA 2 HUNTINGTON QUADRANGLE, STE 1NO1, MELVILLE, NY 11747-4501 USA
SN 0094-243X
BN 978-0-7354-0572-1
J9 AIP CONF PROC
PY 2008
VL 1044
BP 251
EP 265
PG 15
WC Energy & Fuels; Physics, Applied
SC Energy & Fuels; Physics
GA BIJ29
UT WOS:000259999800018
ER
PT S
AU Chu, S
AF Chu, Steven
BE Hafemeister, D
Levi, BG
Levine, MD
Schwartz, P
TI The Science of Photons to Fuel
SO PHYSICS OF SUSTAINABLE ENERGY: USING ENERGY EFFICIENTLY AND PRODUCING IT
RENEWABLY
SE AIP CONFERENCE PROCEEDINGS
LA English
DT Proceedings Paper
CT Short Course on Physics of Sustainable Energy
CY MAR 01-02, 2008
CL Univ Calif Berkeley, Berkeley, CA
SP APS Forum Phys & Soc
HO Univ Calif Berkeley
AB Transportation consumes 28% of US energy, and 60% of that is Consumed by personal transportation. Because liquid fuels have high energy density, they will be the dominant fuel, until batteries have improved enough to support plug-in cars on an economic basis. Fifty million acres of energy crops Plus agricultural wastes can produce roughly half of all of current US consumption of gasoline. Although ethanol from corn has received much attention as a possible substitute for gasoline, other biofuels feedstocks such as perennial grasses and agricultural wastes have greater potential for a much more environmentally friendly substitute for oil. The advantages of grasses over food crops such as corn include higher yield for given water and nutrient inputs, lower soil depletion and fertilizer run-off pollution. The major challenge in biofuels production from perennials is to improve the efficiency of conversion of the plant material to fuel. This paper describes some of the research that is being done to make biofuels from cellulose.
C1 Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
RP Chu, S (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
NR 0
TC 0
Z9 0
U1 0
U2 1
PU AMER INST PHYSICS
PI MELVILLE
PA 2 HUNTINGTON QUADRANGLE, STE 1NO1, MELVILLE, NY 11747-4501 USA
SN 0094-243X
BN 978-0-7354-0572-1
J9 AIP CONF PROC
PY 2008
VL 1044
BP 266
EP 282
PG 17
WC Energy & Fuels; Physics, Applied
SC Energy & Fuels; Physics
GA BIJ29
UT WOS:000259999800019
ER
PT S
AU Srinivasan, V
AF Srinivasan, Venkat
BE Hafemeister, D
Levi, BG
Levine, MD
Schwartz, P
TI Batteries for Vehicular Applications
SO PHYSICS OF SUSTAINABLE ENERGY: USING ENERGY EFFICIENTLY AND PRODUCING IT
RENEWABLY
SE AIP CONFERENCE PROCEEDINGS
LA English
DT Proceedings Paper
CT Short Course on Physics of Sustainable Energy
CY MAR 01-02, 2008
CL Univ Calif Berkeley, Berkeley, CA
SP APS Forum Phys & Soc
HO Univ Calif Berkeley
ID LI-ION BATTERIES; ANODES; SI
AB This paper will describe battery technology as it relates to use in vehicular applications, including hybrid-electric vehicles (HEV), electric vehicles (EV), and Plug-in-hybrid-electric vehicles (PHEV). The present status of rechargeable batteries, the requirements for each application, and the scientific stumbling blocks that stop batteries from being commercialized for these applications will be discussed. Focus will be on the class of batteries referred to as lithium batteries and the various chemistries that are the most promising for these applications, While Li-ion is expected in HEVs in the very near future, use in PHEVs are expected to be more gradual and dependent on solving the life, safety, and cost challenges. Finally, batteries for EVs remain problematic because of the range and charging-time issues.
C1 Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
RP Srinivasan, V (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, 1 Cyclotron Rd,MS 70R 0108B, Berkeley, CA 94720 USA.
NR 14
TC 11
Z9 11
U1 1
U2 10
PU AMER INST PHYSICS
PI MELVILLE
PA 2 HUNTINGTON QUADRANGLE, STE 1NO1, MELVILLE, NY 11747-4501 USA
SN 0094-243X
BN 978-0-7354-0572-1
J9 AIP CONF PROC
PY 2008
VL 1044
BP 283
EP 296
PG 14
WC Energy & Fuels; Physics, Applied
SC Energy & Fuels; Physics
GA BIJ29
UT WOS:000259999800020
ER
PT S
AU Crabtree, GW
Lewis, NS
AF Crabtree, George W.
Lewis, Nathan S.
BE Hafemeister, D
Levi, BG
Levine, MD
Schwartz, P
TI Solar Energy Conversion
SO PHYSICS OF SUSTAINABLE ENERGY: USING ENERGY EFFICIENTLY AND PRODUCING IT
RENEWABLY
SE AIP Conference Proceedings
LA English
DT Proceedings Paper
CT Short Course on Physics of Sustainable Energy
CY MAR 01-02, 2008
CL Univ Calif Berkeley, Berkeley, CA
SP APS Forum Phys & Soc
HO Univ Calif Berkeley
ID THERMOELECTRIC FIGURE; CELLS; HYDROGEN; MERIT; ELECTRICITY; EFFICIENCY;
DEVICES; CHARGE
AB If solar energy is to become a practical alternative to fossil fuels, we must have efficient ways to convert photons into electricity, fuel, and heat. The need for better conversion technologies is a driving force behind many recent developments in biology, materials, and especially nanoscience.
C1 [Crabtree, George W.] Argonne Natl Lab, Div Mat Sci, Argonne, IL 60439 USA.
RP Crabtree, GW (reprint author), Argonne Natl Lab, Div Mat Sci, 9700 S Cass Ave, Argonne, IL 60439 USA.
NR 25
TC 2
Z9 2
U1 0
U2 8
PU AMER INST PHYSICS
PI MELVILLE
PA 2 HUNTINGTON QUADRANGLE, STE 1NO1, MELVILLE, NY 11747-4501 USA
SN 0094-243X
BN 978-0-7354-0572-1
J9 AIP CONF PROC
PY 2008
VL 1044
BP 309
EP 321
PG 13
WC Energy & Fuels; Physics, Applied
SC Energy & Fuels; Physics
GA BIJ29
UT WOS:000259999800022
ER
PT S
AU Mehos, M
AF Mehos, Mark
BE Hafemeister, D
Levi, BG
Levine, MD
Schwartz, P
TI Concentrating Solar Power
SO PHYSICS OF SUSTAINABLE ENERGY: USING ENERGY EFFICIENTLY AND PRODUCING IT
RENEWABLY
SE AIP CONFERENCE PROCEEDINGS
LA English
DT Proceedings Paper
CT Short Course on Physics of Sustainable Energy
CY MAR 01-02, 2008
CL Univ Calif Berkeley, Berkeley, CA
SP APS Forum Phys & Soc
HO Univ Calif Berkeley
AB Concentrating Solar Power (CSP) has the potential to contribute significantly to the generation of electricity by renewable energy resources in the U.S.. Thermal storage can extend the duty cycle of CSP beyond daytime hours to early evening where the value of electricity is often the highest. The potential solar resource for the southwest U.S. is identified, along with the need to add power lines to bring the power to consumers. CSP plants in the U.S. and abroad are described. The CSP cost of electricity at the busbar is discussed. With current incentives, CSP is approaching competiveness with conventional gas-fired systems during peak-demand hours when the price of electricity is the highest. It is projected that a mature CSP industry of over 4 GWe will be able to reduce the energy cost by about 50%, and that U.S capacity could be 120 GW by 2050.
C1 Natl Renewable Energy Lab, Golden, CO 80401 USA.
RP Mehos, M (reprint author), Natl Renewable Energy Lab, Golden, CO 80401 USA.
NR 0
TC 1
Z9 1
U1 1
U2 3
PU AMER INST PHYSICS
PI MELVILLE
PA 2 HUNTINGTON QUADRANGLE, STE 1NO1, MELVILLE, NY 11747-4501 USA
SN 0094-243X
BN 978-0-7354-0572-1
J9 AIP CONF PROC
PY 2008
VL 1044
BP 331
EP 339
PG 9
WC Energy & Fuels; Physics, Applied
SC Energy & Fuels; Physics
GA BIJ29
UT WOS:000259999800024
ER
PT S
AU Thresher, R
Robinson, M
Veers, P
AF Thresher, Robert
Robinson, Michael
Veers, Paul
BE Hafemeister, D
Levi, BG
Levine, MD
Schwartz, P
TI The Status and Future of Wind Energy Technology
SO PHYSICS OF SUSTAINABLE ENERGY: USING ENERGY EFFICIENTLY AND PRODUCING IT
RENEWABLY
SE AIP Conference Proceedings
LA English
DT Proceedings Paper
CT Short Course on Physics of Sustainable Energy
CY MAR 01-02, 2008
CL Univ Calif Berkeley, Berkeley, CA
SP APS Forum Phys & Soc
HO Univ Calif Berkeley
C1 [Thresher, Robert; Robinson, Michael] Natl Renewable Energy Lab, Natl Wind Technol Ctr, Golden, CO 80401 USA.
[Veers, Paul] Wind Energy Technol Dept, Sandia Natl Labs, Albuquerque, NM 87185 USA.
RP Thresher, R (reprint author), Natl Renewable Energy Lab, Natl Wind Technol Ctr, Golden, CO 80401 USA.
NR 6
TC 3
Z9 3
U1 0
U2 0
PU AMER INST PHYSICS
PI MELVILLE
PA 2 HUNTINGTON QUADRANGLE, STE 1NO1, MELVILLE, NY 11747-4501 USA
SN 0094-243X
BN 978-0-7354-0572-1
J9 AIP CONF PROC
PY 2008
VL 1044
BP 340
EP +
PG 2
WC Energy & Fuels; Physics, Applied
SC Energy & Fuels; Physics
GA BIJ29
UT WOS:000259999800025
ER
PT S
AU Myer, LR
AF Myer, Larry R.
BE Hafemeister, D
Levi, BG
Levine, MD
Schwartz, P
TI Carbon Capture and Geologic Storage
SO PHYSICS OF SUSTAINABLE ENERGY: USING ENERGY EFFICIENTLY AND PRODUCING IT
RENEWABLY
SE AIP CONFERENCE PROCEEDINGS
LA English
DT Proceedings Paper
CT Short Course on Physics of Sustainable Energy
CY MAR 01-02, 2008
CL Univ Calif Berkeley, Berkeley, CA
SP APS Forum Phys & Soc
HO Univ Calif Berkeley
AB This paper will briefly discuss carbon capture and storage options, mechanisms and costs. Risks from geologic storage risks will be addressed and the need for monitoring. Sonic current field studies will be described.
C1 Univ Calif Berkeley, Lawrence Berkeley Lab, Div Earth Sci, Berkeley, CA 94720 USA.
RP Myer, LR (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, Div Earth Sci, Berkeley, CA 94720 USA.
NR 4
TC 0
Z9 0
U1 0
U2 1
PU AMER INST PHYSICS
PI MELVILLE
PA 2 HUNTINGTON QUADRANGLE, STE 1NO1, MELVILLE, NY 11747-4501 USA
SN 0094-243X
BN 978-0-7354-0572-1
J9 AIP CONF PROC
PY 2008
VL 1044
BP 366
EP 375
PG 10
WC Energy & Fuels; Physics, Applied
SC Energy & Fuels; Physics
GA BIJ29
UT WOS:000259999800027
ER
PT S
AU Gyuk, I
AF Gyuk, Imre
BE Hafemeister, D
Levi, BG
Levine, MD
Schwartz, P
TI Energy Storage for a Greener Grid
SO PHYSICS OF SUSTAINABLE ENERGY: USING ENERGY EFFICIENTLY AND PRODUCING IT
RENEWABLY
SE AIP CONFERENCE PROCEEDINGS
LA English
DT Proceedings Paper
CT Short Course on Physics of Sustainable Energy
CY MAR 01-02, 2008
CL Univ Calif Berkeley, Berkeley, CA
SP APS Forum Phys & Soc
HO Univ Calif Berkeley
AB Energy Storage is an emerging technology with potential applications throughout the grid. Storage can provide power quality, frequency regulation, and renewable smoothing. It can increase asset utilization for generation, transmission, substations, and distribution. Storage can help in reducing peak loads, and making variable renewable energy more dispatchable. The article presents the technology of electrical storage, provides examples of different types of applications, and analyses the rationale for introducing storage. Storage makes the grid greener. more efficient, and more reliable.
C1 US DOE, Energy Storage Res Program, Washington, DC 20585 USA.
RP Gyuk, I (reprint author), US DOE, Energy Storage Res Program, 1000 Independence Ave, Washington, DC 20585 USA.
NR 0
TC 0
Z9 0
U1 0
U2 0
PU AMER INST PHYSICS
PI MELVILLE
PA 2 HUNTINGTON QUADRANGLE, STE 1NO1, MELVILLE, NY 11747-4501 USA
SN 0094-243X
BN 978-0-7354-0572-1
J9 AIP CONF PROC
PY 2008
VL 1044
BP 376
EP 392
PG 17
WC Energy & Fuels; Physics, Applied
SC Energy & Fuels; Physics
GA BIJ29
UT WOS:000259999800028
ER
PT J
AU Saxena, A
Tyagi, R
AF Saxena, Anand
Tyagi, Rajiv
TI Islam, science, and free and open inquiry
SO PHYSICS TODAY
LA English
DT Letter
C1 Brookhaven Natl Lab, Upton, NY 11973 USA.
RP Saxena, A (reprint author), Brookhaven Natl Lab, Upton, NY 11973 USA.
EM asaxena@bnl.gov; rtyagi@bnl.gov
NR 0
TC 0
Z9 0
U1 0
U2 0
PU AMER INST PHYSICS
PI MELVILLE
PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1,
MELVILLE, NY 11747-4501 USA
SN 0031-9228
J9 PHYS TODAY
JI Phys. Today
PD JAN
PY 2008
VL 61
IS 1
BP 13
EP 13
PG 1
WC Physics, Multidisciplinary
SC Physics
GA 249YB
UT WOS:000252265600009
ER
PT J
AU Glaeser, RM
AF Glaeser, Robert M.
TI Cryo-electron microscopy of biological nanostructures
SO PHYSICS TODAY
LA English
DT Article
ID ELECTRON-MICROSCOPY
C1 [Glaeser, Robert M.] Univ Calif Berkeley, Berkeley, CA 94720 USA.
[Glaeser, Robert M.] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Life Sci, Berkeley, CA 94720 USA.
RP Glaeser, RM (reprint author), Univ Calif Berkeley, Berkeley, CA 94720 USA.
NR 11
TC 14
Z9 14
U1 0
U2 0
PU AMER INST PHYSICS
PI MELVILLE
PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1,
MELVILLE, NY 11747-4501 USA
SN 0031-9228
J9 PHYS TODAY
JI Phys. Today
PD JAN
PY 2008
VL 61
IS 1
BP 48
EP 54
DI 10.1063/1.2835153
PG 7
WC Physics, Multidisciplinary
SC Physics
GA 249YB
UT WOS:000252265600026
ER
PT J
AU Crease, RP
AF Crease, Robert P.
TI Critical point the last of its breed
SO PHYSICS WORLD
LA English
DT Editorial Material
C1 [Crease, Robert P.] SUNY Stony Brook, Dept Philosophy, Stony Brook, NY USA.
[Crease, Robert P.] Brookhaven Natl Lab, Upton, NY 11973 USA.
RP Crease, RP (reprint author), SUNY Stony Brook, Dept Philosophy, Stony Brook, NY USA.
EM rcrease@notes.cc.sunysb.edu
NR 0
TC 0
Z9 0
U1 0
U2 0
PU IOP PUBLISHING LTD
PI BRISTOL
PA DIRAC HOUSE, TEMPLE BACK, BRISTOL BS1 6BE, ENGLAND
SN 0953-8585
J9 PHYS WORLD
JI Phys. World
PD JAN
PY 2008
VL 21
IS 1
BP 16
EP 16
PG 1
WC Physics, Multidisciplinary
SC Physics
GA 253ZQ
UT WOS:000252556500017
ER
PT J
AU Sittler, EC
Andre, N
Blanc, M
Burger, M
Johnson, RE
Coates, A
Rymer, A
Reisenfeld, D
Thomsen, MF
Persoon, A
Dougherty, M
Smith, HT
Baragiola, RA
Hartle, RE
Chornay, D
Shappirio, MD
Simpson, D
McComas, DJ
Young, DT
AF Sittler, E. C.
Andre, N.
Blanc, M.
Burger, M.
Johnson, R. E.
Coates, A.
Rymer, A.
Reisenfeld, D.
Thomsen, M. F.
Persoon, A.
Dougherty, M.
Smith, H. T.
Baragiola, R. A.
Hartle, R. E.
Chornay, D.
Shappirio, M. D.
Simpson, D.
McComas, D. J.
Young, D. T.
TI Ion and neutral sources and sinks within Saturn's inner magnetosphere:
Cassini results
SO PLANETARY AND SPACE SCIENCE
LA English
DT Article; Proceedings Paper
CT General Assembly of the European-Geosciences-Union
CY APR 02-07, 2006
CL Vienna, AUSTRIA
SP European Geosci Union
DE saturn; magnetosphere; plasmasphere; plasma; magnetic fields;
ion-neutral sources
ID POLARIZATION ELECTRIC-FIELD; ENCELADUS; PLASMA; ATMOSPHERE; DIFFUSION;
PLUME; RING; OH
AB Using ion-electron fluid parameters derived from Cassini Plasma Spectrometer (CAPS) observations within Saturn's inner magnetosphere as presented in Sittler et al. [2006a. Cassini observations of Saturn's inner plasmasphere: Saturn orbit insertion results. Planet. Space Sci., 54, 1197-1210], one can estimate the ion total flux tube content, NIONL2, for protons, H+, and water group ions, W+, as a function of radial distance or dipole L shell. In Sittler et al. [2005. Preliminary results on Saturn's inner plasmasphere as observed by Cassini: comparison with Voyager. Geophys. Res. Lett. 32(14), L14S04), it was shown that protons and water group ions dominated the plasmasphere composition. Using the ion-electron fluid parameters as boundary condition for each L shell traversed by the Cassini spacecraft, we self-consistently solve for the ambipolar electric field and the ion distribution along each of those field lines. Temperature anisotropies from Voyager plasma observations are used with (T-perpendicular to/T-II)(w+)similar to 5 and (T-perpendicular to/T-II)(H+)similar to 2. The radio and plasma wave science (RPWS) electron density observations from previous publications are used to indirectly confirm usage of the above temperature anisotropies for water group ions and protons. In the case of electrons we assume they are isotropic due to their short scattering time scales. When the above is done, our calculation show NIONL2 for H+ and W+ peaking near Dione's L shell with values similar to that found from Voyager plasma observations. We are able to show that water molecules are the dominant source of ions within Saturn's inner magnetosphere. We estimate the ion production rate S-ION similar to 10(27) ions/s as function of dipole L using NH+, Nw+ and the time scale for ion loss due to radial transport tau(D) and ion-electron recombination tau(REC). The ion production shows localized peaks near the L shells of Tethys, Dione and Rhea, but not Enceladus. We then estimate the neutral production rate, S-w, from our ion production rate, S-ION, and the time scale for loss of neutrals by ionization, tau(ION), and charge exchange, tau(CH). The estimated source rate for water molecules shows a pronounced peak near Enceladus' L shell L similar to 4, with a value S-w similar to 2 x 10(28) mol/s. (c) 2007 Elsevier Ltd. All rights reserved.
C1 [Sittler, E. C.; Burger, M.; Hartle, R. E.; Chornay, D.; Shappirio, M. D.; Simpson, D.] NASA, Goddard Space Flight Ctr, Greenbelt, MD 20771 USA.
[Andre, N.] ESTEC, Noordwijk, Netherlands.
[Blanc, M.] Ctr Etudes Spatial Rayounnements, Toulouse, France.
[Johnson, R. E.; Smith, H. T.; Baragiola, R. A.] Univ Virginia, Charlottesville, VA 22903 USA.
[Rymer, A.] Johns Hopkins Appl Phys Labs, Baltimore, MD USA.
[Reisenfeld, D.] Univ Montana, Missoula, MT 59812 USA.
[Thomsen, M. F.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
[Persoon, A.] Univ Iowa, Iowa City, IA 52242 USA.
[Dougherty, M.] Univ London Imperial Coll Sci & Technol, Blackett Lab, London, England.
[McComas, D. J.; Young, D. T.] SW Res Inst, San Antonio, TX USA.
RP Sittler, EC (reprint author), NASA, Goddard Space Flight Ctr, Greenbelt, MD 20771 USA.
EM Edward.C.Sittler@nasa.gov
RI Coates, Andrew/C-2396-2008; Reisenfeld, Daniel/F-7614-2015; Smith,
Howard/H-4662-2016
OI Coates, Andrew/0000-0002-6185-3125; Smith, Howard/0000-0003-3537-3360
NR 36
TC 82
Z9 82
U1 1
U2 6
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 0032-0633
J9 PLANET SPACE SCI
JI Planet Space Sci.
PD JAN
PY 2008
VL 56
IS 1
BP 3
EP 18
DI 10.1016/j.pss.2007.06.006
PG 16
WC Astronomy & Astrophysics
SC Astronomy & Astrophysics
GA 261UN
UT WOS:000253105600002
ER
PT J
AU Watanabe, H
Kende, H
Hayakawa, T
Saigusa, M
AF Watanabe, Hajime
Kende, Hans
Hayakawa, Toshibiko
Saigusa, Masahiko
TI Cloning of a cytochrome P450 gene induced by ethylene treatment in
deepwater rice (Oryza sativa L.)
SO PLANT PRODUCTION SCIENCE
LA English
DT Article
DE cytochrome P450; deepwater rice; differential display; ethylene;
internode elongation.
ID POLYMERASE-CHAIN-REACTION; MESSENGER-RNA; DIFFERENTIAL DISPLAY;
GIBBERELLIN; ELONGATION; PLANT; CDNA; SEQUENCES
C1 [Watanabe, Hajime] Tohoku Univ, Grad Sch Agr Sci, Oosaki, Miyagi 9896711, Japan.
[Kende, Hans] Michigan State Univ, MSU DOE Plant Res Lab, E Lansing, MI 48824 USA.
[Hayakawa, Toshibiko] Tohoku Univ, Grad Sch Agr Sci, Div Life Sci, Sendai, Miyagi 9818555, Japan.
[Saigusa, Masahiko] Toyohashi Univ Technol, Aichi 4118580, Japan.
RP Watanabe, H (reprint author), Tohoku Univ, Grad Sch Agr Sci, Oosaki, Miyagi 9896711, Japan.
EM watanabe@bios.tohoku.ac.jp
NR 17
TC 1
Z9 1
U1 0
U2 4
PU CROP SCIENCE SOC JAPAN
PI TOKYO
PA UNIV TOKYO-FACULTY AGRICULTURE BUNKYO-KU, TOKYO, 113, JAPAN
SN 1343-943X
J9 PLANT PROD SCI
JI Plant. Prod. Sci.
PD JAN
PY 2008
VL 11
IS 1
BP 124
EP 126
DI 10.1626/pps.11.124
PG 3
WC Agronomy
SC Agriculture
GA 255FD
UT WOS:000252641900015
ER
PT S
AU Kus, A
Dinklage, A
Preuss, R
Ascasibar, E
Harris, JH
Okamura, S
Sano, F
Stroth, U
Talmadge, J
Yamada, H
AF Kus, A.
Dinklage, A.
Preuss, R.
Ascasibar, E.
Harris, J. H.
Okamura, S.
Sano, F.
Stroth, U.
Talmadge, J.
Yamada, H.
BE Hartfuss, HJ
Dudeck, M
Musielok, J
Sadowski, MJ
TI Cluster analysis of the International Stellarator Confinement Database
SO PLASMA 2007
SE AIP Conference Proceedings
LA English
DT Proceedings Paper
CT International Conference on Research and Applications of Plasmas/4th
German-Polish Conference on Plasma Diagnostics for Fusion and
Applications/6th French-Polish Seminar on Thermal Plasma in Space and
Laboratory (PLASMA 2007)
CY OCT 16-19, 2007
CL Greifswald, GERMANY
DE ISCDB; ISS95; ISS04; cluster analysis; hierarchical clustering
ID ENERGY CONFINEMENT
AB Heterogeneous structure of collected data is one of the problems that occur during derivation of scalings for energy confinement time, and whose analysis tourns out to be wide and complicated matter. The International Stellarator Confinement Database [1], shortly ISCDB, comprises in its latest version 21 a total of 3647 observations from 8 experimental devices, 2067 therefrom beeing so far completed for upcoming analyses. For confinement scaling studies 1933 observation were chosen as the standard dataset. Here we describe a statistical method of cluster analysis for identification of possible cohesive substructures in ISDCB and present some preliminary results.
C1 [Kus, A.; Dinklage, A.; Preuss, R.] EURATOM IPP Assoc, Max Planck Inst Plasmaphys, Greifswald, Germany.
[Ascasibar, E.] EURATOM CIEMAT Assoc, Lab Nac Fus, Madrid, Spain.
[Harris, J. H.] Oak Ridge Natl Lab, Oak Ridge, TN 37830 USA.
[Harris, J. H.] Australian Natl Univ, Canberra, ACT 0200, Australia.
[Okamura, S.; Yamada, H.] Natl Inst Fus Sci, Toki, Gifu, Japan.
[Sano, F.] Kyoto Univ, Kyoto 6068501, Japan.
[Stroth, U.] Univ Stuttgart, Stuttgart, Germany.
[Talmadge, J.] Univ Wisconsin, Madison, WI 53706 USA.
RP Kus, A (reprint author), EURATOM IPP Assoc, Max Planck Inst Plasmaphys, Greifswald, Germany.
RI Ascasibar, Enrique/B-7498-2014
OI Ascasibar, Enrique/0000-0001-8124-0994
NR 7
TC 0
Z9 0
U1 0
U2 1
PU AMER INST PHYSICS
PI MELVILLE
PA 2 HUNTINGTON QUADRANGLE, STE 1NO1, MELVILLE, NY 11747-4501 USA
SN 0094-243X
BN 978-0-7354-0512-7
J9 AIP CONF PROC
PY 2008
VL 993
BP 47
EP +
PG 2
WC Physics, Fluids & Plasmas
SC Physics
GA BHO81
UT WOS:000254902600008
ER
PT S
AU Garkusha, IE
Chebotarev, VV
Hassanein, A
Ladygina, MS
Marchenko, AK
Petrov, YV
Solyakov, DG
Tereshin, VI
Trubchaninov, SA
Byrka, OV
AF Garkusha, I. E.
Chebotarev, V. V.
Hassanein, A.
Ladygina, M. S.
Marchenko, A. K.
Petrov, Yu. V.
Solyakov, D. G.
Tereshin, V. I.
Trubchaninov, S. A.
Byrka, O. V.
BE Hartfuss, HJ
Dudeck, M
Musielok, J
Sadowski, MJ
TI Dynamics of xenon plasma streams generated by magnetoplasma compressor
SO PLASMA 2007
SE AIP Conference Proceedings
LA English
DT Proceedings Paper
CT International Conference on Research and Applications of Plasmas/4th
German-Polish Conference on Plasma Diagnostics for Fusion and
Applications/6th French-Polish Seminar on Thermal Plasma in Space and
Laboratory (PLASMA 2007)
CY OCT 16-19, 2007
CL Greifswald, GERMANY
DE dense plasma stream; EUV radiation; magnetoplasma compressor; xenon
AB The paper presents the investigations of parameters of xenon plasma streams generated by magnetoplasma compressor (MPC) of compact geometry with conical-shaped electrodes and pulsed gas supply. Discharge characteristics and dynamics of the plasma streams, generated by MPC in different operation modes are analyzed. First results of Xe plasma radiation measurements in EUV wave range, obtained with AXUV diodes are presented.
C1 [Garkusha, I. E.; Chebotarev, V. V.; Ladygina, M. S.; Marchenko, A. K.; Petrov, Yu. V.; Solyakov, D. G.; Tereshin, V. I.; Trubchaninov, S. A.; Byrka, O. V.] NSC KIPT, Inst Plasma Phys, UA-61108 Kharkov, Ukraine.
[Hassanein, A.] Argonne Natl Lab, Argonne, IL 60439 USA.
RP Garkusha, IE (reprint author), NSC KIPT, Inst Plasma Phys, UA-61108 Kharkov, Ukraine.
OI Garkusha, Igor/0000-0001-6538-6862
FU Science and Techmology Center in Ukraine [3378]
FX This work has been supported in part by Science and Techmology Center in
Ukraine within the project #3378
NR 6
TC 1
Z9 1
U1 0
U2 0
PU AMER INST PHYSICS
PI MELVILLE
PA 2 HUNTINGTON QUADRANGLE, STE 1NO1, MELVILLE, NY 11747-4501 USA
SN 0094-243X
BN 978-0-7354-0512-7
J9 AIP CONF PROC
PY 2008
VL 993
BP 341
EP +
PG 2
WC Physics, Fluids & Plasmas
SC Physics
GA BHO81
UT WOS:000254902600071
ER
PT S
AU Csanak, G
Kilcrease, DP
Fursa, DV
Bray, I
AF Csanak, G.
Kilcrease, D. P.
Fursa, D. V.
Bray, I.
BE Fujimoto, T
Iwamae, A
TI Definition of Cross Sections for the Creation, Destruction, and Transfer
of Atomic Multipole Moments by Electron Scattering: Quantum Mechanical
Treatment
SO PLASMA POLARIZATION SPECTROSCOPY
SE Springer Series on Atomic Optical and Plasma Physics
LA English
DT Article; Book Chapter
ID RESONANCE FLUORESCENCE; MAGNETIC-FIELD; COLLISIONS; POLARIZATION;
RELAXATION; DEPOLARIZATION
AB The rates for the creation, destruction, and transfer of atomic multipole moments by heavy-particle scattering have been studied for many years by Omont [1], by D'yakonov and Perel [2], and by Petrashen, Rebane, and Rebane [3-12] using semiclassical scattering theory along with the straight-line trajectory assumption for the scattering particle. This method has been adopted for electron scattering by Fujimoto et al. [13] and Fujimoto and Kazantsev [14]. These latter authors have given definitions of alignment creation, destruction, and transfer cross sections for both elastic and inelastic electron scattering within the semiclassical straigth-line trajectory approximation. The same practice was followed in the preceding Chap. 4. In the case of inelastic scattering, Kazantsev et al. [15,16] gave a quantum-mechanical definition of the alignment-creation cross section, which was extended recently for elastic scattering by Csanak et al. [17]. The purpose of this chapter is to use the methods of Csanak et al. [17] to give general definitions for both elastic and inelastic scattering for the creation, destruction, and transfer cross sections of atomic multipole moments via the use of pure quantum-mechanical methods.
C1 [Csanak, G.] Kyungwon Univ, Songnam, South Korea.
[Fursa, D. V.; Bray, I.] Curtin Univ Technol, Perth, WA 6845, Australia.
[Kilcrease, D. P.] Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA.
RP Csanak, G (reprint author), Kyungwon Univ, Songnam, South Korea.
RI Bray, Igor/B-8586-2009
OI Bray, Igor/0000-0001-7554-8044
NR 31
TC 0
Z9 0
U1 0
U2 1
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 1615-5653
BN 978-3-540-73586-1
J9 SPRINGER SER ATOM OP
PY 2008
VL 44
BP 69
EP 89
D2 10.1007/978-3-540-73587-8
PG 21
WC Physics, Fluids & Plasmas; Spectroscopy
SC Physics; Spectroscopy
GA BJN44
UT WOS:000266856600005
ER
PT S
AU Vlasko-Vlasov, V
Imre, A
Pearson, J
Hiller, J
Welp, U
AF Vlasko-Vlasov, Vitalii
Imre, Alexandra
Pearson, John
Hiller, Jon
Welp, Ulrich
BE Stockman, MI
TI Plasmon scanner and multiplexer
SO PLASMONICS: METALLIC NANOSTRUCTURES AND THEIR OPTICAL PROPERTIES VI
SE Proceedings of SPIE
LA English
DT Proceedings Paper
CT Conference on Plasmonics - Metallic Nanostructures and their Optical
Properties VI
CY AUG 10-14, 2008
CL San Diego, CA
SP SPIE
DE surface plasmons; focusing and scanning; near field imaging
ID SURFACE-PLASMONS; GENERATION; OPTICS
AB Nanoholes and nanoslits are efficient sources of plasmons on metal surfaces. We use arc-shaped nanoslits in thin silver films for generating sub-wavelength plasmon spots with enhanced optical near-fields. Introduction of a continuous phase delay along the nanoslits shifts the position of the plasmon focus spot. We show experimentally that such a phase control allows to scan the plasmon focus by micrometers with a nanometer precision and to launch it on separate silver nanowires placed in the focal plane. These experiments, demonstrating scanning and multiplexing functionality, show the feasibility of the nanoscale manipulation with optical fields.
C1 [Vlasko-Vlasov, Vitalii; Imre, Alexandra; Pearson, John; Hiller, Jon; Welp, Ulrich] Argonne Natl Lab, MSD, Argonne, IL 60439 USA.
RP Vlasko-Vlasov, V (reprint author), Argonne Natl Lab, MSD, 9700 S Cass Ave, Argonne, IL 60439 USA.
RI Hiller, Jon/A-2513-2009; Joshi-Imre, Alexandra/A-2912-2010
OI Hiller, Jon/0000-0001-7207-8008; Joshi-Imre,
Alexandra/0000-0002-4271-1623
NR 17
TC 0
Z9 0
U1 0
U2 0
PU SPIE-INT SOC OPTICAL ENGINEERING
PI BELLINGHAM
PA 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA
SN 0277-786X
BN 978-0-8194-7252-6
J9 PROC SPIE
PY 2008
VL 7032
AR 703221
DI 10.1117/12.796651
PG 6
WC Nanoscience & Nanotechnology; Optics; Physics, Applied
SC Science & Technology - Other Topics; Optics; Physics
GA BIM05
UT WOS:000260664900026
ER
PT S
AU Shuford, KL
Meyer, KA
Li, CC
Cho, SO
Whitten, WB
Shaw, RW
AF Shuford, Kevin L.
Meyer, Kent A.
Li, Cuncheng
Cho, Sung Oh
Whitten, William B.
Shaw, Robert W.
BE Kawata, S
Shalaev, VM
Tsai, DP
TI Nanoscale coupling effects on single particle microscopy
SO PLASMONICS: NANOIMAGING, NANOFABRICATION, AND THEIR APPLICATIONS IV
SE Proceedings of SPIE
LA English
DT Proceedings Paper
CT Conference on Plasmonics - Nanoimaging, Nanofabrication and Their
Application IV
CY AUG 10-14, 2008
CL San Diego, CA
SP SPIE
DE gold octahedra; single nanoparticle microscopy; nanoparticle coupling;
luminescence
ID DISCRETE-DIPOLE APPROXIMATION; ENHANCED RAMAN-SCATTERING; SILVER
NANOPARTICLES; GOLD NANOPARTICLES; SPECTROSCOPY; MOLECULES
AB We present theoretical studies and experimental results on the optical properties of gold, octahedra-shaped nanoparticles. We show that the optical spectrum varies quite dramatically as two nanoparticles are brought into close proximity. AFM images and optical spectra have been obtained for nanooctahedra dimers in uncoupled and strongly coupled configurations. The former displays a single peak in the optical spectrum, while the latter shows an additional peak at longer wavelengths. Calculations indicate that the additional spectral feature originates from a strongly coupled plasmon state that oscillates along the extended axis of the dimer. We investigate theoretically the distances over which the dimers couple and find these results to be particularly orientation dependent. The anisotropic particle shape and sharp apices contribute significantly to the orientational dependence of the interparticle couplings.
C1 [Shuford, Kevin L.; Meyer, Kent A.; Whitten, William B.; Shaw, Robert W.] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
RP Shuford, KL (reprint author), Oak Ridge Natl Lab, POB 2008,MS6142, Oak Ridge, TN 37831 USA.
EM shufordkl@ornl.gov; shawrw@ornl.gov
NR 26
TC 0
Z9 0
U1 0
U2 5
PU SPIE-INT SOC OPTICAL ENGINEERING
PI BELLINGHAM
PA 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA
SN 0277-786X
BN 978-0-8194-7253-3
J9 PROC SPIE
PY 2008
VL 7033
AR 703301
DI 10.1117/12.795359
PG 9
WC Nanoscience & Nanotechnology; Optics; Physics, Fluids & Plasmas
SC Science & Technology - Other Topics; Optics; Physics
GA BIM12
UT WOS:000260670700006
ER
PT J
AU Fischer, W
Liao, HX
Haynes, BF
Letvin, NL
Korber, B
AF Fischer, Will
Liao, H. X.
Haynes, Barton F.
Letvin, Norman L.
Korber, Bette
TI Coping with viral diversity in HIV vaccine design: A response to Nickle
et al.
SO PLOS COMPUTATIONAL BIOLOGY
LA English
DT Letter
ID HUMAN-IMMUNODEFICIENCY-VIRUS; SELECTION
C1 [Fischer, Will; Korber, Bette] Los Alamos Natl Lab, Los Alamos, NM USA.
[Korber, Bette] Santa Fe Inst, Santa Fe, NM 87501 USA.
[Liao, H. X.; Haynes, Barton F.] Duke Univ, Durham, NC USA.
[Letvin, Norman L.] Harvard Univ, Beth Israel Deaconess Med Ctr, Boston, MA 02215 USA.
RP Fischer, W (reprint author), Los Alamos Natl Lab, Los Alamos, NM USA.
EM wfischer@lanl.gov
RI Fischer, Will/B-1323-2013
OI Fischer, Will/0000-0003-4579-4062
FU NIAID NIH HHS [P01 AI061734, P01 AI61734]
NR 8
TC 20
Z9 20
U1 1
U2 3
PU PUBLIC LIBRARY SCIENCE
PI SAN FRANCISCO
PA 1160 BATTERY STREET, STE 100, SAN FRANCISCO, CA 94111 USA
SN 1553-7358
J9 PLOS COMPUT BIOL
JI PLoS Comput. Biol.
PD JAN
PY 2008
VL 4
IS 1
AR e15
DI 10.1371/journal.pcbi.0040015.t001
PG 4
WC Biochemical Research Methods; Mathematical & Computational Biology
SC Biochemistry & Molecular Biology; Mathematical & Computational Biology
GA 294LM
UT WOS:000255407500017
PM 18225944
ER
PT B
AU King, V
Phillips, C
Saia, J
Young, M
AF King, Valerie
Phillips, Cynthia
Saia, Jared
Young, Maxwell
GP ACM
TI Sleeping on the Job: Energy-Efficient and Robust Broadcast for Radio
Networks
SO PODC'08: PROCEEDINGS OF THE 27TH ANNUAL ACM SYMPOSIUM ON PRINCIPLES OF
DISTRIBUTED COMPUTING
LA English
DT Proceedings Paper
CT 27th Annual ACM Symposium on Principles of Distributed Computing
CY AUG 18-21, 2008
CL Toronto, CANADA
SP ACM SIGACT, ACM SIGOPS
DE Byzantine failure; Broadcast; Fault tolerance; Radio networks; Energy
efficient; Data streaming; Power aware
AB We address the problem of minimizing power consumption when broadcasting a message from one node to all the other nodes in a radio network. To enable power savings for such a problem, we introduce a compelling new data streaming problem that we call the Bad Santa problem.. our results oil this problem apply for any situation where: 1) a node call listen to a set, of v. nodes, out of which at least half are non-faulty and know the correct message; and 2) each of these n nodes,ends according to some predetermined schedule which assigns each of them its own unique time slot. In this situation, we show that in order to receive the correct message with probability 1, it is necessary and sufficient for the listening node to listen to a Theta(root n) expected number of time slots. Moreover, if we allow for repetitions of transmissions so that each sending node sends the message O(log* n) times (i.e. in O(log* n) rounds each consisting of the n time slots), then listening to O(log* n) expected number of time slots suffices. We show that this is near optimal.
We describe ail application of our result to the popular grid model for a radio network. Each node in the network is located oil a point in a two dimensional grid, and whenever a node sends a message, all awake nodes within L. distance r receive the message. In this model, up to t < r/2 (2r + 1) nodes within any 2r + 1 by 2r + 1 square in the grid can suffer Byzantine faults. Moreover, we assume that the nodes that stiffer Byzantine faults are chosen and controlled by ail adaptive adversary that knows everything except for the random bits of each non-faulty node. This type of adaptive adversary models worst-case behavior due to malicious attacks oil the network; mobile nodes moving around in the network; or static nodes losing power or ceasing to function., show how to solve the broadcast Let n = r(2r + 1). We problem in this model with each node awake only ail expected O(1/root n) fraction of the time. Moreover, if we allow each node to send O(log*n) times, we can increase the energy savings so that each node is awake only ail expected O((1og* n)/n) fraction of the time. This compares favorably with previous protocols that required each node to be awake for every time step.
C1 [King, Valerie] Univ Victoria, Dept Comp Sci, Victoria, BC, Canada.
[Phillips, Cynthia] Sandia Natl Labs, Albuquerque, NM USA.
[Saia, Jared] Univ New Mexico, Albuquerque, NM USA.
[Young, Maxwell] Univ Waterloo, Waterloo, ON, Canada.
RP King, V (reprint author), Univ Victoria, Dept Comp Sci, Victoria, BC, Canada.
EM val@cs.uvic.ca; caphill@sandia.gov; saia@cs.unm.edu;
m22young@uwaterloo.ca
NR 19
TC 2
Z9 2
U1 0
U2 1
PU ASSOC COMPUTING MACHINERY
PI NEW YORK
PA 1515 BROADWAY, NEW YORK, NY 10036-9998 USA
BN 978-1-59593-989-0
PY 2008
BP 243
EP +
DI 10.1145/1400751.1400784
PG 2
WC Computer Science, Hardware & Architecture; Computer Science, Theory &
Methods
SC Computer Science
GA BJI04
UT WOS:000266034700025
ER
PT S
AU Cruz-Cabrera, AA
Kemme, SA
Carter, TR
AF Cruz-Cabrera, A. A.
Kemme, S. A.
Carter, T. R.
BE Chenault, DB
Goldstein, DH
TI Fiber faceplates to mitigate diffraction effects in an imaging snapshot
polarimeter
SO POLARIZATION: MEASUREMENT, ANALYSIS, AND REMOTE SENSING VIII
SE Proceedings of SPIE
LA English
DT Proceedings Paper
CT Conference on Polarization - Measurement, Analysis and Remote Sensing
VIII
CY MAR 18-19, 2008
CL Orlando, FL
SP SPIE
DE polarimetry; faceplates; snap-shot; imaging; LWIR; MWIR; fiber; focal
plane array
ID COMPLETE STOKES POLARIMETER; MICROPOLARIZER ARRAYS; OPTIMIZATION;
FABRICATION
AB We investigate the advantages of employing a fiber faceplate in a snapshot polarimetry system. Our previous work at Sandia National Laboratories indicates that diffraction and propagation between the micropolarizer array, the micro-waveplate array, and the Focal Plane Array (FPA) degrade performance, as quantified by the extinction ratio(1,2). Crosstalk between adjacent pixels due to diffraction increases uncertainty of the measured polarization states in a scene of interest. These issues are exacerbated in the long-wavelength regime and as FPA pixel dimensions decrease.
One solution, since it minimizes propagation distance, is to construct the micropolarizer and micro-waveplate arrays on a single substrate surface and to place this combination on the FPA(3). This solution is a significant fabrication challenge and decreases yield due to its serial assembly nature.
An alternative solution that would improve yield is to fabricate the micropolarizer on top of a fiber faceplate, place the faceplate on the FPA with the micropolarizer facing away, then place the waveplate array on top of the micropolarizer. The optical field that passes through the plane of the microwaveplate array and the micropolarizer array is guided to the FPA plane, without suffering diffraction effects associated with free-space propagation. We will quantify the utility of these proposed configurations with predicted imaging polarimetric system extinction ratios.
C1 [Cruz-Cabrera, A. A.; Kemme, S. A.] Sandia Natl Labs, Albuquerque, NM 87185 USA.
RP Cruz-Cabrera, AA (reprint author), Sandia Natl Labs, POB 5800, Albuquerque, NM 87185 USA.
NR 14
TC 0
Z9 0
U1 0
U2 1
PU SPIE-INT SOC OPTICAL ENGINEERING
PI BELLINGHAM
PA 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA
SN 0277-786X
BN 978-0-8194-7163-5
J9 PROC SPIE
PY 2008
VL 6972
AR 697204
DI 10.1117/12.778533
PG 8
WC Instruments & Instrumentation; Remote Sensing; Optics
SC Instruments & Instrumentation; Remote Sensing; Optics
GA BHZ66
UT WOS:000257705300002
ER
PT J
AU Gaan, S
Sun, G
Hutches, K
Engelhard, MH
AF Gaan, Sabyasachi
Sun, Gang
Hutches, Katherine
Engelhard, Mark H.
TI Effect of nitrogen additives on flame retardant action of tributyl
phosphate: Phosphorus-nitrogen synergism
SO POLYMER DEGRADATION AND STABILITY
LA English
DT Article
DE phosphorus-nitrogen synergistic action; XPS; activation energy of
decomposition; char; SEM; ATR-FTIR
ID RAY PHOTOELECTRON-SPECTROSCOPY; THERMAL OXIDATIVE-DEGRADATION;
LIMITING-OXYGEN INDEX; COTTON FABRICS; GLASSES; DECOMPOSITION;
NITRIDATION; BEHAVIORS; KINETICS
AB The effects of three nitrogen additives (urea, guanidine carbonate, and melamine formaldehyde) on the flame retardant action of cotton cellulose treated with tributyl phosphate (TBP) were investigated in this research. The limiting oxygen index (LOI) of treated cotton cellulose clearly revealed the synergistic interactions of TBP and nitrogen compounds. The Kissinger method was used to evaluate the kinetics of thermal decomposition on treated cellulose. The results show that adding nitrogen additives increases the activation energy at a higher degree of degradation, thus indicating better thermal stability at higher temperatures. Scanning electron microscope pictures of chars formed after a LOI test show the formation of protective polymeric coatings on char surfaces. Evaluating char surfaces using attenuated total reflectance-Fourier transform infrared spectroscopy and X-ray photoelectron spectroscopy suggests that these coatings are composed of species containing phosphorus-nitrogen-oxygen. Possible chemical interactions of phosphorus and nitrogen compounds during the burning process and the formation of a protective coating could be the reason for the observed synergism. Potential reaction pathways contributing to the formation of this protective polymeric coating have also been proposed. (c) 2007 Elsevier Ltd. All rights reserved.
C1 [Gaan, Sabyasachi; Sun, Gang; Hutches, Katherine] Univ Calif Davis, Div Text & Cloting, Davis, CA 95616 USA.
[Engelhard, Mark H.] Pacific NW Natl Lab, Environm Mol Sci Lab, Richland, WA 99352 USA.
RP Sun, G (reprint author), Univ Calif Davis, Div Text & Cloting, 1 Shields Ave, Davis, CA 95616 USA.
EM gysun@ucdavis.edu
RI Engelhard, Mark/F-1317-2010;
OI Engelhard, Mark/0000-0002-5543-0812
NR 32
TC 75
Z9 76
U1 7
U2 62
PU ELSEVIER SCI LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, OXON, ENGLAND
SN 0141-3910
J9 POLYM DEGRAD STABIL
JI Polym. Degrad. Stabil.
PD JAN
PY 2008
VL 93
IS 1
BP 99
EP 108
DI 10.1016/j.polymdegradstab.2007.10.013
PG 10
WC Polymer Science
SC Polymer Science
GA 264RB
UT WOS:000253305500013
ER
PT S
AU Maxwell, R
Chinn, S
Gee, R
Balazs, B
Lacevic, N
Herberg, J
Gjersing, E
Patel, M
Wheeler, H
Wilson, M
AF Maxwell, Robert
Chinn, Sarah
Gee, Rid
Balazs, Bryan
Lacevic, Naida
Herberg, Julie
Gjersing, Erica
Patel, Mogon
Wheeler, Hilary
Wilson, Mark
BE Celina, MC
Assink, RA
TI Reassessing Polymer Lifetime Prediction Methods with Improved
Characterization and Diagnostics
SO POLYMER DURABILITY AND RADIATION EFFECTS
SE ACS SYMPOSIUM SERIES
LA English
DT Proceedings Paper
CT Symposium on Polymer Performance and Degradation held at Pacifichem 2005
Conference
CY DEC, 2005
CL Honolulu, HI
ID FILLED SILICONE ELASTOMER; PDMS COMPOSITE-MATERIALS; MOLECULAR-DYNAMICS;
POLYSILOXANE RUBBER; GAMMA-RADIATION; FORCE-FIELD; NMR MOUSE;
POLY(DIMETHYLSILOXANE); SIMULATIONS; RELAXATION
AB A combination of Magnetic Resonance Imaging (MRI), Multiple Quantum Nuclear Magnetic Resonance (MQ-NMR), Molecular Dynamics modeling, and traditional mechanical testing approaches have been used to provide a more scientific prediction of the aging behaviors of two silica-filled siloxane polymers. These materials are especially prone to part-to-part and service condition variablilities, and thus a combination of non-destructive magnetic resonance techniques and atomistic modeling has been used to determine physical and chemical inhomogeneities which are, respectively, already present in the material and potentially occurring as a result of cavitation upon applied stress. To elucidate the overall degradation behavior of the polymers studied and thus add scientific evidence to their lifetime predictions several different damage mechanisms (thermal, radiation, and mechanical) have been studied individually and in combination to elucidate the overall aging behavior for a variety of service conditions. Running concurrent to these experimental and modeling efforts, an analysis has been done to more precisely define the operational capabilities of the polymers relative to their requirements, leading to an even more accurate lifetime prediction capability due to the ability to
C1 [Maxwell, Robert; Chinn, Sarah; Gee, Rid; Balazs, Bryan; Lacevic, Naida; Herberg, Julie; Gjersing, Erica] Lawrence Livermore Natl Lab, Livermore, CA 94551 USA.
RP Maxwell, R (reprint author), Lawrence Livermore Natl Lab, 7000 East Ave,L-235, Livermore, CA 94551 USA.
RI Chinn, Sarah/E-1195-2011
NR 31
TC 0
Z9 1
U1 1
U2 7
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 SIXTEENTH ST NW, WASHINGTON, DC 20036 USA
SN 0097-6156
BN 978-0-8412-6952-1
J9 ACS SYM SER
PY 2008
VL 978
BP 2
EP 15
PG 14
WC Chemistry, Multidisciplinary; Polymer Science
SC Chemistry; Polymer Science
GA BLT01
UT WOS:000270965300001
ER
PT S
AU Assink, RA
Celina, MC
Elliott, JM
AF Assink, Roger A.
Celina, Mathew C.
Elliott, Julie M.
BE Celina, MC
Assink, RA
TI Acceleration Factors for the Oxidative Aging of Polymeric Materials
SO POLYMER DURABILITY AND RADIATION EFFECTS
SE ACS Symposium Series
LA English
DT Proceedings Paper
CT Symposium on Polymer Performance and Degradation held at Pacifichem 2005
Conference
CY DEC, 2005
CL Honolulu, HI
ID AGED ELASTOMERS; NMR ANALYSIS
AB Three methods that were used to measure the chemical changes associated with oxidative degradation of polymeric materials are presented. The first method is based on the nuclear activation of O-18 in an elastomer that was thermally aged in an O-18(2) atmosphere. Second, the alcohol groups in a thermally aged elastomer were derivatized with trifluoroacetic anhydride and their concentration measured via F-19 NMR spectroscopy. Finally, a respirometer was used to directly measure the oxidative rates of a polyurethane foam as a function of aging temperature. The measurement of the oxidation rates enabled acceleration factors for oxidative degradation of these materials to be calculated.
C1 [Assink, Roger A.; Celina, Mathew C.; Elliott, Julie M.] Sandia Natl Labs, Dept Organ Mat, Albuquerque, NM 87185 USA.
RP Assink, RA (reprint author), Sandia Natl Labs, Dept Organ Mat, POB 5800, Albuquerque, NM 87185 USA.
NR 10
TC 0
Z9 0
U1 3
U2 11
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 SIXTEENTH ST NW, WASHINGTON, DC 20036 USA
SN 0097-6156
BN 978-0-8412-6952-1
J9 ACS SYM SER
JI ACS Symp. Ser.
PY 2008
VL 978
BP 26
EP 36
PG 11
WC Chemistry, Multidisciplinary; Polymer Science
SC Chemistry; Polymer Science
GA BLT01
UT WOS:000270965300003
ER
PT S
AU Celina, MC
Clough, RL
Jones, GD
AF Celina, Mathew C.
Clough, Roger L.
Jones, Gary D.
BE Celina, MC
Assink, RA
TI Interactive Behavior in Polymer Degradation
SO POLYMER DURABILITY AND RADIATION EFFECTS
SE ACS SYMPOSIUM SERIES
LA English
DT Proceedings Paper
CT Symposium on Polymer Performance and Degradation held at Pacifichem 2005
Conference
CY DEC, 2005
CL Honolulu, HI
ID SOLID POLYPROPYLENE; THERMAL-OXIDATION; CHEMILUMINESCENCE; MODEL
AB A novel dual stage chemiluminescence detection system has been applied to study remote interaction effects occurring during polymer degradation. There has long been speculation that infectious agents and reactions transferring initiators or antioxidants are important aspects in polymer aging. Evidence is presented that in an oxidizing environment a degrading polymer (i.e. PP) is capable of infecting a different polymer (i.e. polybutadiene) over a relatively large distance. Similarly, traces of thermally sensitive peroxides in the vicinity of PP are found to induce degradation remotely. These observations document cross-infectious phenomena. Likewise, inhibitive volatiles from stabilized elastomers were shown to retard a degradation process remotely. Such interactive phenomena are important to better understand polymer interactions, fundamental degradation processes and long-term aging effects of multiple materials in a single environment.
C1 [Celina, Mathew C.; Clough, Roger L.; Jones, Gary D.] Sandia Natl Labs, Dept Organ Mat, Albuquerque, NM 87185 USA.
RP Celina, MC (reprint author), Sandia Natl Labs, Dept Organ Mat, POB 5800, Albuquerque, NM 87185 USA.
NR 19
TC 0
Z9 0
U1 1
U2 10
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 SIXTEENTH ST NW, WASHINGTON, DC 20036 USA
SN 0097-6156
BN 978-0-8412-6952-1
J9 ACS SYM SER
PY 2008
VL 978
BP 37
EP 47
PG 11
WC Chemistry, Multidisciplinary; Polymer Science
SC Chemistry; Polymer Science
GA BLT01
UT WOS:000270965300004
ER
PT J
AU Leolukman, M
La, YH
Li, XF
Gopalan, P
AF Leolukman, Melvina
La, Young-Hye
Li, Xuefa
Gopalan, Padma
TI Morphology Development in Asymmetric Poly (styrene-b-tert-butylacrylate)
Thin Films by Solvent Annealing
SO POLYMER JOURNAL
LA English
DT Article
DE Solvent Annealing; Block Copolymer; Polystyrene;
Poly(tert-butylacrylate)
ID DIBLOCK COPOLYMER FILMS; BLOCK-COPOLYMERS; TRIBLOCK COPOLYMER; VAPOR
TREATMENT; INVERTED PHASE; SURFACE; ARRAYS; NANOSTRUCTURES; MICRODOMAIN;
TRANSITION
AB Morphology dependence of asymmetric poly(styrene-b-tert-butylacrylate) [P(S-b-tBA)] thin film on casting solvent, annealing solvent and annealing time was investigated. Two casting solvents, toluene and propylene glycol monomethyl ester acetate (PGMEA), and two annealing solvents, p-xylene and tert-butylacrylate (tBA), were studied. The casting solvent dominated the initial morphology. P(S-b-tBA) film cast from toluene resulted in inverted phase (PtBA cylinders ill PS matrix) and the one cast from PGMEA led to normal phase (PS cylinders in PtBA matrix) morphology. The annealing solvents preference to either the majority or the minority block in combination with the annealing time controlled the orientation of the cylinders. When the annealing solvent preferentially interacted with the majority block in the as-cast film, a metastable highly ordered perpendicular cylinder morphology was trapped. The best conditions to obtain perpendicular PS cylinders were casting P(S-b-tBA) film from PGMEA and annealing in tBA vapor for 20 and 25 min on silicon and NaCl substrates respectively.
C1 [Leolukman, Melvina; Gopalan, Padma] Univ Wisconsin, Dept Mat Sci & Engn, Madison, WI 53706 USA.
[La, Young-Hye] Univ Wisconsin, Dept Biol & Chem Engn, Madison, WI 53706 USA.
[Li, Xuefa] Argonne Natl Lab, Adv Photon Source, Argonne, IL 60439 USA.
RP Gopalan, P (reprint author), Univ Wisconsin, Dept Mat Sci & Engn, 1509 Univ Ave, Madison, WI 53706 USA.
EM pgopalan@wisc.edu
FU UW-NSF Nanoscale Science and Engineering Center [DMR-0425880];
DMR-NSF-CAREER [0449688]; Center Facilities and Medical School Electron
Microscope Facility; University of Wisconsin-Madison; U. S. DOE, Office
of Science, Office of Basic Energy Sciences [DE-AC02-06CH11357]
FX We Would like to acknowledge useful discussions with Prof. Paul F.
Nealey, and Dr. Insik In. This work was Supported by the UW-NSF
Nanoscale Science and Engineering Center (DMR-0425880) and the
DMR-NSF-CAREER 0449688. We also acknowledge the use of Materials Science
Center Facilities and Medical School Electron Microscope Facility at
University of Wisconsin-Madison. Use of the Advanced Photon Source was
supported by the U. S. DOE, Office of Science, Office of Basic Energy
Sciences, under Contract No. DE-AC02-06CH11357.
NR 40
TC 4
Z9 4
U1 0
U2 6
PU SOC POLYMER SCIENCE JAPAN
PI TOKYO
PA TSUKIJI DAISAN NAGAOKA BLDG, 2-4-2 TSUKIJI, CHUO-KU, TOKYO, 104, JAPAN
SN 0032-3896
J9 POLYM J
JI Polym. J.
PY 2008
VL 40
IS 9
BP 825
EP 831
DI 10.1295/polymj.PJ2008014
PG 7
WC Polymer Science
SC Polymer Science
GA 370AE
UT WOS:000260734200005
ER
PT J
AU Von Dreele, RB
Rodriguez-Carvajal, J
AF Von Dreele, R. B.
Rodriguez-Carvajal, J.
BE Dinnebier, RE
Billinge, SJL
TI The Intensity of a Bragg Reflection
SO POWDER DIFFRACTION: THEORY AND PRACTICE
LA English
DT Article; Book Chapter
ID MODULATED MOLECULAR-CRYSTALS; NEUTRON-DIFFRACTION; MAGNETIC-STRUCTURES;
SYMMETRY ANALYSIS; SCATTERING
C1 [Von Dreele, R. B.] Argonne Natl Lab, Intense Pulsed Neutron Source, Adv Photon Source, Argonne, IL 60439 USA.
[Rodriguez-Carvajal, J.] Inst Max Von Laue Paul Langevin, F-38042 Grenoble, France.
RP Von Dreele, RB (reprint author), Argonne Natl Lab, Intense Pulsed Neutron Source, Adv Photon Source, 9700 S Cass Ave, Argonne, IL 60439 USA.
NR 37
TC 3
Z9 3
U1 0
U2 1
PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, CAMBRIDGE CB4 4WF, CAMBS, ENGLAND
BN 978-1-84755-823-7
PY 2008
BP 58
EP 88
DI 10.1039/9781847558237-00058
D2 10.1039/9781847558237
PG 31
WC Crystallography; Materials Science, Multidisciplinary; Spectroscopy
SC Crystallography; Materials Science; Spectroscopy
GA BKZ31
UT WOS:000269672500004
ER
PT J
AU Von Dreele, RB
AF Von Dreele, R. B.
BE Dinnebier, RE
Billinge, SJL
TI Rietveld Refinement
SO POWDER DIFFRACTION: THEORY AND PRACTICE
LA English
DT Article; Book Chapter
ID POWDER DIFFRACTION DATA; CRYSTAL-STRUCTURE; CHEMISTRY
C1 Argonne Natl Lab, Adv Photon Source, IPNS, Argonne, IL 60439 USA.
RP Von Dreele, RB (reprint author), Argonne Natl Lab, Adv Photon Source, IPNS, Argonne, IL 60439 USA.
NR 25
TC 7
Z9 7
U1 0
U2 0
PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, CAMBRIDGE CB4 4WF, CAMBS, ENGLAND
BN 978-1-84755-823-7
PY 2008
BP 266
EP 281
DI 10.1039/9781847558237-00266
D2 10.1039/9781847558237
PG 16
WC Crystallography; Materials Science, Multidisciplinary; Spectroscopy
SC Crystallography; Materials Science; Spectroscopy
GA BKZ31
UT WOS:000269672500010
ER
PT J
AU Spinelli, SL
O'Brien, JJ
Bancos, S
Lehmann, GM
Springer, DL
Blumberg, N
Francis, CW
Taubman, MB
Phipps, RP
AF Spinelli, S. L.
O'Brien, J. J.
Bancos, S.
Lehmann, G. M.
Springer, D. L.
Blumberg, N.
Francis, C. W.
Taubman, M. B.
Phipps, R. P.
TI The PPAR-Platelet Connection: Modulators of Inflammation and Potential
Cardiovascular Effects
SO PPAR RESEARCH
LA English
DT Review
AB Historically, platelets were viewed as simple anucleate cells responsible for initiating thrombosis and maintaining hemostasis, but clearly they are also key mediators of inflammation and immune cell activation. An emerging body of evidence links platelet function and thrombosis to vascular inflammation. Peroxisome proliferator-activated receptors (PPARs) play a major role in modulating inflammation and, interestingly, PPARs (PPAR beta/delta and PPAR gamma) were recently identified in platelets. Additionally, PPAR agonists attenuate platelet activation; an important discovery for two reasons. First, activated platelets are formidable antagonists that initiate and prolong a cascade of events that contribute to cardiovascular disease (CVD) progression. Dampening platelet release of proinflammatory mediators, including CD40 ligand (CD40L, CD154), is essential to hinder this cascade. Second, understanding the biologic importance of platelet PPARs and the mechanism(s) by which PPARs regulate platelet activation will be imperative in designing therapeutic strategies lacking the deleterious or unwanted side effects of current treatment options. Copyright (C) 2008 S. L. Spinelli et al.
C1 [O'Brien, J. J.; Bancos, S.; Lehmann, G. M.; Phipps, R. P.] Univ Rochester, Med Ctr, Dept Environm Med, Rochester, NY 14642 USA.
[Spinelli, S. L.; Blumberg, N.] Univ Rochester, Med Ctr, Dept Pathol & Lab Med, Rochester, NY 14642 USA.
[Springer, D. L.] Pacific NW Div, Biol Sci Div Battelle, Richland, WA 99352 USA.
[Francis, C. W.] Univ Rochester, Med Ctr, M&D Hematol Oncol, Rochester, NY 14642 USA.
[Taubman, M. B.] Univ Rochester, Med Ctr, Dept Med, M&D Cardiol Unit, Rochester, NY 14642 USA.
RP Phipps, RP (reprint author), Univ Rochester, Med Ctr, Dept Environm Med, 601 Elmwood Ave, Rochester, NY 14642 USA.
EM richard_phipps@urmc.rochester.edu
FU [T32 ES07026]; [ES01247]; [R01 HL078603]; [R21 HL086367];
[DE0113901]; [NHLBI-T32-66988]; [T32 HL07152]
FX This work is supported by T32 ES07026, ES01247, R01 HL078603, R21
HL086367, DE0113901, NHLBI-T32-66988, T32 HL07152.
NR 214
TC 13
Z9 13
U1 0
U2 2
PU HINDAWI PUBLISHING CORPORATION
PI NEW YORK
PA 410 PARK AVENUE, 15TH FLOOR, #287 PMB, NEW YORK, NY 10022 USA
SN 1687-4757
J9 PPAR RES
JI PPAR Res.
PY 2008
AR 328172
DI 10.1155/2008/328172
PG 16
WC Medicine, Research & Experimental
SC Research & Experimental Medicine
GA V13YV
UT WOS:000207703000001
ER
PT B
AU Iskra, K
Romein, JW
Yoshii, K
Beckman, P
AF Iskra, Kamil
Romein, John W.
Yoshii, Kazutomo
Beckman, Pete
GP ACM
TI ZOID: I/O-Forwarding Infrastructure for Petascale Architectures
SO PPOPP'08: PROCEEDINGS OF THE 2008 ACM SIGPLAN SYMPOSIUM ON PRINCIPLES
AND PRACTICE OF PARALLEL PROGRAMMING
LA English
DT Proceedings Paper
CT ACM SIGPLAN Symposium on Principles and Practice of Parallel Programming
(PPoPP 08)
CY FEB 20-23, 2008
CL Salt Lake City, UT
SP ACM SIGPLAN
DE I/O forwarding; petascale
ID LOFAR
AB The ZeptoOS project is developing an open-source alternative to the proprietary software stacks available on contemporary massively parallel architectures. The aim is to enable computer science research on these architectures, enhance community collaboration, and foster innovation. In this paper, we introduce a component of ZeptoOS called ZOID-an I/O-forwarding infrastructure for architectures such as IBM Blue Gene that decouple file and socket I/O from the compute nodes, shipping those functions to dedicated I/O nodes. Through the use of optimized network protocols and data paths, as well as a multithreaded daemon running on I/O nodes, ZOID provides greater performance than does the stock infrastructure. We present a set of benchmark results that highlight the improvements. Crucially, the flexibility of our infrastructure is a vast improvement over the stock infrastructure, allowing users to forward data using custom-designed application interfaces, through an easy-to-use plug-in mechanism. This capability is used for real-time telescope data transfers, extensively discussed in the paper. Plug-in-specific threads implement prefetching of data obtained over sockets from an input cluster and merge results froth individual compute nodes before sending them out, significantly reducing required network bandwidth. This approach allows a ZOID version of the application to handle a larger number of subbands per I/O node. or even to bypass the input cluster altogether, plugging the input from remote receiver stations directly into the I/O nodes. Using the resources more efficiently can result in considerable savings.
C1 [Iskra, Kamil; Yoshii, Kazutomo; Beckman, Pete] Argonne Natl Lab, Div Math & Comp Sci, Argonne, IL 60439 USA.
RP Iskra, K (reprint author), Argonne Natl Lab, Div Math & Comp Sci, 9700 S Cass Ave, Argonne, IL 60439 USA.
EM iskra@mcs.anl.gov; romein@astron.nl; kazutomo@mcs.anl.gov;
beckman@mcs.anl.gov
NR 15
TC 31
Z9 32
U1 0
U2 0
PU ASSOC COMPUTING MACHINERY
PI NEW YORK
PA 1515 BROADWAY, NEW YORK, NY 10036-9998 USA
BN 978-1-59593-960-9
PY 2008
BP 153
EP 161
DI 10.1145/1345206.1345230
PG 9
WC Computer Science, Software Engineering; Computer Science, Theory &
Methods
SC Computer Science
GA BJK09
UT WOS:000266619600016
ER
PT B
AU Bronevetsky, G
Marques, D
Pingali, K
Rugina, R
Mckee, SA
AF Bronevetsky, Greg
Marques, Daniel
Pingali, Keshav
Rugina, Radu
McKee, Sally A.
GP ACM
TI Compiler-Enhanced Incremental Checkpointing for OpenMP Applications
SO PPOPP'08: PROCEEDINGS OF THE 2008 ACM SIGPLAN SYMPOSIUM ON PRINCIPLES
AND PRACTICE OF PARALLEL PROGRAMMING
LA English
DT Proceedings Paper
CT ACM SIGPLAN Symposium on Principles and Practice of Parallel Programming
(PPoPP 08)
CY FEB 20-23, 2008
CL Salt Lake City, UT
SP ACM SIGPLAN
DE Reliability; Performance
AB As modem supercomputing systems reach pets-flop performance they grow in both size and complexity, becoming increasingly vulnerable to failures. Checkpointing is a popular technique for tolerating such failures. Although a variety of automated system-level checkpointing solutions are currently available to HPC users, manual application-level checkpointing remains more popular due to its superior performance. This paper improves performance of automated checkpointing by presenting a compiler analysis for incremental checkpointing. This analysis, which works with both sequential and OpenMP applications, significantly reduces checkpoint sizes and enables asynchronous checkpointing.
C1 [Bronevetsky, Greg] Lawrence Livermore Natl Lab, Ctr Appl Sci Comp, Livermore, CA 94551 USA.
RP Bronevetsky, G (reprint author), Lawrence Livermore Natl Lab, Ctr Appl Sci Comp, Livermore, CA 94551 USA.
EM greg@bronevetsky.com; daniel@ices.utexas.edu; pingali@cs.utexas.edu;
rugina@cs.cornell.edu; sam@csl.cornell.edu
NR 5
TC 3
Z9 3
U1 0
U2 0
PU ASSOC COMPUTING MACHINERY
PI NEW YORK
PA 1515 BROADWAY, NEW YORK, NY 10036-9998 USA
BN 978-1-59593-960-9
PY 2008
BP 275
EP 276
DI 10.1145/1345206.1345253
PG 2
WC Computer Science, Software Engineering; Computer Science, Theory &
Methods
SC Computer Science
GA BJK09
UT WOS:000266619600033
ER
PT B
AU Balaji, P
Feng, W
Archuleta, J
Lin, H
Kettimuthu, R
Thakur, R
Ma, X
AF Balaji, P.
Feng, W.
Archuleta, J.
Lin, H.
Kettimuthu, R.
Thakur, R.
Ma, X.
GP ACM
TI Semantics-based Distributed I/O for mpiBLAST
SO PPOPP'08: PROCEEDINGS OF THE 2008 ACM SIGPLAN SYMPOSIUM ON PRINCIPLES
AND PRACTICE OF PARALLEL PROGRAMMING
LA English
DT Proceedings Paper
CT ACM SIGPLAN Symposium on Principles and Practice of Parallel Programming
(PPoPP 08)
CY FEB 20-23, 2008
CL Salt Lake City, UT
SP ACM SIGPLAN
DE mpiBLAST; I/O; distributed filesystem
AB BLAST is a widely used software toolkit for genomic sequence search. mpiBLAST is a freely available, open-source parallelization of BLAST that uses database segmentation to allow different worker processes to search (in parallel) unique segments of the database. After searching, the workers write their output to a filesystem. While mpiBLAST has been shown to achieve high performance in clusters with fast local filesystems, its I/O processing remains a concern for scalability, especially in systems having limited I/O capabilities such as distributed filesystems spread across a wide-area network. Thus, we present ParaMEDIC-a novel environment that uses application-specific semantic information to compress I/O data and improve performance in distributed environments. Specifically, for mpiBLAST, ParaMEDIC partitions worker processes into compute and I/O workers. Compute workers, instead of directly writing the output to the filesystem, the workers process the output using semantic knowledge about the application to generate metadata and write the metadata to the filesystem. I/O workers, which physically reside closer to the actual storage, then process this metadata to re-create the actual output and write it to the filesystem. This approach allows ParaMEDIC to reduce I/O time, thus accelerating mpiBLAST by as much as 25-fold.
C1 [Balaji, P.; Kettimuthu, R.; Thakur, R.] Argonne Natl Lab, Argonne, IL 60439 USA.
RP Balaji, P (reprint author), Argonne Natl Lab, Argonne, IL 60439 USA.
EM balaji@mcs.anl.gov; feng@cs.vt.edu; jsarch@cs.vt.edu; hlin2@ncsu.edu;
kettimut@mcs.anl.gov; thakur@mcs.anl.gov; ma@cs.ncsu.edu
NR 3
TC 2
Z9 2
U1 0
U2 0
PU ASSOC COMPUTING MACHINERY
PI NEW YORK
PA 1515 BROADWAY, NEW YORK, NY 10036-9998 USA
BN 978-1-59593-960-9
PY 2008
BP 293
EP 294
DI 10.1145/1345206.1345262
PG 2
WC Computer Science, Software Engineering; Computer Science, Theory &
Methods
SC Computer Science
GA BJK09
UT WOS:000266619600042
ER
PT S
AU Drake, GWF
Lu, ZT
Nortershauser, W
Yan, ZC
AF Drake, G. W. F.
Lu, Z. -T.
Noertershaeuser, W.
Yan, Z. -C.
BE Karshenboim, SG
TI Halo Nuclei in Laser Light
SO PRECISION PHYSICS OF SIMPLE ATOMS AND MOLECULES
SE Lecture Notes in Physics
LA English
DT Article; Book Chapter
ID INTERACTION CROSS-SECTIONS; HELIUM FINE-STRUCTURE; ENERGY-LEVELS;
NEUTRON-HALO; QUADRUPOLE-MOMENT; RYDBERG STATES; GROUND-STATE; RADII;
ISOTOPES; ATOM
C1 [Drake, G. W. F.] Univ Windsor, Dept Phys, Windsor, ON N9B 3P4, Canada.
[Lu, Z. -T.] Argonne Natl Lab, Div Phys, Argonne, IL 60439 USA.
[Noertershaeuser, W.] Gesell Schwerionenorschung, D-64291 Darmstadt, Germany.
[Yan, Z. -C.] Univ New Brunswick, Dept Phys, Fredericton, NB E3B 5A3, Canada.
RP Drake, GWF (reprint author), Univ Windsor, Dept Phys, Windsor, ON N9B 3P4, Canada.
EM GDrake@uwindsor.ca; lu@anl.gov; W.Noertershaeuser@gsi.de; zyan@unb.ca
NR 68
TC 3
Z9 3
U1 0
U2 0
PU SPRINGER-VERLAG WIEN
PI VIENNA
PA SACHSENPLATZ 4-6, A-1201 VIENNA, AUSTRIA
SN 0075-8450
BN 978-3-540-75478-7
J9 LECT NOTES PHYS
PY 2008
VL 745
BP 131
EP 153
DI 10.1007/978-3-540-75479-4_8
D2 10.1007/978-3-540-75479-4
PG 23
WC Physics, Applied; Physics, Atomic, Molecular & Chemical
SC Physics
GA BJN07
UT WOS:000266832700008
ER
PT B
AU Muirhead, PS
Erskine, DJ
Edelstein, J
Barman, TS
Lloyd, JP
AF Muirhead, Philip S.
Erskine, David J.
Edelstein, Jerry
Barman, Travis S.
Lloyd, James P.
BE Santos, NC
Pasquini, L
Correia, ACM
Romaniello, M
TI Radial velocity precision in the near-infrared with T-EDI
SO PRECISION SPECTROSCOPY IN ASTROPHYSICS
SE ESO ASTROPHYSICS SYMPOSIA
LA English
DT Proceedings Paper
CT Conference on Precision Spectroscopy in Astrophysics
CY SEP 11-15, 2006
CL Aveiro, PORTUGAL
SP ESO, Univ Lisbon, Ctr Astron & Astrophys, Univ Aveiro
AB Presented are calculations of the photon-limited radial velocity sensitivity of the TripleSpec Externally Dispersed Interferometer for a series of M-type stellar models. This instrument uses an interferometer before the dispersing element of a moderate-resolution spectrograph to boost radial velocity precision and reject systematic noise.
C1 [Muirhead, Philip S.] Cornell Univ, Ithaca, NY 14853 USA.
[Erskine, David J.] Lawrence Livermore Natl Lab, Livermore, CA USA.
[Edelstein, Jerry] Univ Calif Berkeley, Berkeley, CA 94720 USA.
[Barman, Travis S.] Lowell Observ, Flagstaff, AZ USA.
[Lloyd, James P.] Cornell Univ, Ithaca, NY 14853 USA.
RP Muirhead, PS (reprint author), Cornell Univ, Ithaca, NY 14853 USA.
EM muirhead@astro.cornell.edu; erskine1@llnl.gov; jerrye@ssl.berkeley.edu;
barman@lowell.edu; jpl@astro.cornell.edu
RI Muirhead, Philip/H-2273-2014
OI Muirhead, Philip/0000-0002-0638-8822
FU National Science Foundation [AST-0504874]
FX We would like to thank Didier Saumon and Mark Marley of Los Alamos
National Laboratory for generously providing high resolution models.
This work is partially funded by the National Science Foundation under
grant AST-0504874.
NR 5
TC 1
Z9 1
U1 0
U2 0
PU SPRINGER-VERLAG BERLIN
PI BERLIN
PA HEIDELBERGER PLATZ 3, D-14197 BERLIN, GERMANY
BN 978-3-540-75484-8
J9 ESO ASTROPHY SYMP
PY 2008
BP 303
EP +
DI 10.1007/978-3-540-75485-5_75
PG 2
WC Astronomy & Astrophysics
SC Astronomy & Astrophysics
GA BHH85
UT WOS:000253366800075
ER
PT S
AU Lindley, RA
Adduci, JJ
Johnson, RL
Lepoire, DJ
AF Lindley, Roy A.
Adduci, Joseph J.
Johnson, Robert L.
Lepoire, Dave J.
BE Apikyan, S
Diamond, D
Way, R
TI Perspectives on international radiological trafficking
SO PREVENTION, DETECTION AND RESPONSE TO NUCLEAR AND RADIOLOGICAL THREATS
SE NATO Science for Peace and Security Series B-Physics and Biophysics
LA English
DT Proceedings Paper
CT NATO Advanced Research Workshop on Prevention, Detection and Response to
Nuclear and Radiological Threat
CY SEP 25-29, 2006
CL Yerevan, ARMENIA
SP NATO
DE radiological trafficking; illicit trafficking-radiological materials;
radiological theft and diversion; nuclear trafficking
AB Nuclear and radiological materials continue to fall outside of legal control throughout the world. Comparison of 777 non-United States (U S) with 495 U S cases for CY2002-2005 suggests reporting is about 10% of the actual cases. Recoveries occur for more than 30% of the cases and are accomplished through detection and several other means. Fortunately, most radiological cases involve small amounts of material but there are about 6-8 cases annually with particularly troubling circumstances.
C1 [Lindley, Roy A.; Adduci, Joseph J.; Johnson, Robert L.; Lepoire, Dave J.] Argonne Natl Lab, 9700 S Cass Ave, Argonne, IL 60439 USA.
RP Lindley, RA (reprint author), Argonne Natl Lab, 9700 S Cass Ave, Argonne, IL 60439 USA.
NR 0
TC 1
Z9 1
U1 1
U2 2
PU SPRINGER
PI DORDRECHT
PA PO BOX 17, 3300 AA DORDRECHT, NETHERLANDS
SN 1871-465X
BN 978-1-4020-6656-6
J9 NATO SCI PEACE SEC B
PY 2008
BP 47
EP +
DI 10.1007/978-1-4020-6658-0_4
PG 2
WC Public, Environmental & Occupational Health; Materials Science,
Multidisciplinary; Medicine, Research & Experimental; Physics, Nuclear;
Social Issues
SC Public, Environmental & Occupational Health; Materials Science; Research
& Experimental Medicine; Physics; Social Issues
GA BGV01
UT WOS:000250742500004
ER
PT S
AU Goldstein, WH
Bernstein, A
Craig, WW
Johnson, M
AF Goldstein, William H.
Bernstein, Adam
Craig, William W.
Johnson, Micah
BE Apikyan, S
Diamond, D
Way, R
TI Neutrinos, dark matter and nuclear detection
SO PREVENTION, DETECTION AND RESPONSE TO NUCLEAR AND RADIOLOGICAL THREATS
SE NATO Science for Peace and Security Series B-Physics and Biophysics
LA English
DT Proceedings Paper
CT NATO Advanced Research Workshop on Prevention, Detection and Response to
Nuclear and Radiological Threat
CY SEP 25-29, 2006
CL Yerevan, ARMENIA
SP NATO
AB Solutions to problems in nuclear non-proliferation and counter-terrorism may be found at the forefront of modem physics. Neutrino oscillation experiments, dark matter searches, and high energy astrophysics, are based on technology advances that have may also have application to nuclear detection. The detection problems share many characteristics, including energy scales, time structures, particle-type, and, of course, the combination of high backgrounds and low signal levels. This convergence of basic and applied physics is realized in non-proliferation and homeland security projects at Lawrence Livermore National Laboratory. Examples described here include reactor anti-neutrino monitoring, dual-phase noble liquid TPC development, gamma-ray telescopes, and nuclear resonance fluorescence.
C1 [Goldstein, William H.; Bernstein, Adam; Craig, William W.; Johnson, Micah] Lawrence Livermore Natl Lab, POB 808 , 7000 East Ave, Livermore, CA 94550 USA.
RP Goldstein, WH (reprint author), Lawrence Livermore Natl Lab, POB 808 , 7000 East Ave, Livermore, CA 94550 USA.
NR 9
TC 0
Z9 0
U1 0
U2 2
PU SPRINGER
PI DORDRECHT
PA PO BOX 17, 3300 AA DORDRECHT, NETHERLANDS
SN 1871-465X
BN 978-1-4020-6656-6
J9 NATO SCI PEACE SEC B
PY 2008
BP 117
EP +
DI 10.1007/978-1-4020-6658-0_10
PG 2
WC Public, Environmental & Occupational Health; Materials Science,
Multidisciplinary; Medicine, Research & Experimental; Physics, Nuclear;
Social Issues
SC Public, Environmental & Occupational Health; Materials Science; Research
& Experimental Medicine; Physics; Social Issues
GA BGV01
UT WOS:000250742500010
ER
PT S
AU Chiaro, PJ
AF Chiaro, Peter J., Jr.
BE Apikyan, S
Diamond, D
Way, R
TI ANSI and IEC standards for, and evaluation of, radiation detection
instrumentation
SO Prevention, Detection and Response to Nuclear and Radiological Threats
SE NATO Science for Peace and Security Series B - Physics and Biophysics
LA English
DT Proceedings Paper
CT NATO Advanced Research Workshop on Prevention, Detection and Response to
Nuclear and Radiological Threat
CY SEP 25-29, 2006
CL Yerevan, ARMENIA
SP NATO
DE detection; ANSI standards; ANSI; T&E; protocols
AB During the last quarter of 2002, an effort was started to develop perfomance requirements for radiation instrumentation used for the detection of illicit trafficking of radioactive material. Coordinated by the US National Institute of Science and Technology (NIST), a team was formed to establish writing committees for the development of these requirements as American National Standards Institute (ANSI) standards. The core of the new area was developed as ANSI N42, Homeland Security Instruments. A series of standards were developed followed by testing and evaluation (T&E) protocols that would be used for specific testing. Four US National Laboratories provided T&E support and work commenced to test instruments provided by manufacturers at no cost. During this time, discussions began regarding the formation of a new work group within the International Electrotechnical Commission (IEC). This new work group would be located within technical committee (TC) 45 which addresses nuclear instrumentation. This new work group, 15B, also began developing international standards to address the same instrument types. Following development of ANSI standards, the testing and evaluation process began, running for two distinct rounds. The results of the work was consolidated by NIST and released back to individual companies as well as the user community in a controlled manner. This document will provide details regarding the standards and their basis and status, as well as some information regarding the T&E process used in the USA.
C1 Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
NR 0
TC 0
Z9 0
U1 1
U2 2
PU SPRINGER
PI DORDRECHT
PA PO BOX 17, 3300 AA DORDRECHT, NETHERLANDS
SN 1871-465X
BN 978-1-4020-6656-6
J9 NATO SCIENCE PEACE S
PY 2008
BP 141
EP 147
DI 10.1007/978-1-4020-6658-0_12
PG 7
WC Public, Environmental & Occupational Health; Materials Science,
Multidisciplinary; Medicine, Research & Experimental; Physics, Nuclear;
Social Issues
SC Public, Environmental & Occupational Health; Materials Science; Research
& Experimental Medicine; Physics; Social Issues
GA BGV01
UT WOS:000250742500012
ER
PT J
AU Bordenjuk, IV
Panchenko, OA
Sologub, SV
Brown, IG
AF Bordenjuk, I. V.
Panchenko, O. A.
Sologub, S. V.
Brown, I. G.
TI DEVELOPMENT OF ADDITIONAL MAGNETRON DISCHARGE IN THE DRIFT REGION OF AN
ION SOURCE WITH CLOSED ELECTRON DRIFT
SO PROBLEMS OF ATOMIC SCIENCE AND TECHNOLOGY
LA English
DT Article
AB A gas discharge of the magnetron type which is formed in the beam drift region of an ion source with closed electron drift was investigated. The electric field due to the target bias potential results in the development of an additional gas discharge of the magnetron type in the drift region. Trajectories of electron beams emitted by the ion source were visualized using light emission from the working gas excited by the electrons.
C1 [Bordenjuk, I. V.; Panchenko, O. A.; Sologub, S. V.] NASU, Inst Phys, UA-03028 Kiev, Ukraine.
[Brown, I. G.] Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA.
RP Bordenjuk, IV (reprint author), NASU, Inst Phys, UA-03028 Kiev, Ukraine.
NR 5
TC 2
Z9 2
U1 0
U2 1
PU KHARKOV INST PHYSICS & TECHNOLOGY
PI KHARKOV
PA NATL SCIENCE CTR, 1 AKADEMICHESKAYA ST, KHARKOV, 61108, UKRAINE
SN 1562-6016
J9 PROBL AT SCI TECH
JI Probl. At. Sci. Tech.
PY 2008
IS 6
BP 168
EP 170
PG 3
WC Nuclear Science & Technology; Physics, Fluids & Plasmas; Physics,
Nuclear; Physics, Particles & Fields
SC Nuclear Science & Technology; Physics
GA 402RP
UT WOS:000263031100053
ER
PT S
AU Kuno, S
Takeuchi, T
Ikuta, H
Kond, T
Kaminski, A
Saito, Y
Fujimori, S
AF Kuno, S.
Takeuchi, T.
Ikuta, H.
Kond, T.
Kaminski, A.
Saito, Y.
Fujimori, S.
BE Kim, I
TI Electronic structure and thermoelectric properties of a layered cobalt
oxide NaxCoO2 (0.5 < x < 0.8) investigated by angle-resolved
photoemission spectroscopy
SO PROCEEDINGS ICT 07: TWENTY-SIXTH INTERNATIONAL CONFERENCE ON
THERMOELECTRICS
SE International Conference on Thermoelectrics
LA English
DT Proceedings Paper
CT 26th International Conference on Thermoelectrics (ICT'07)
CY JUN 03-05, 2007
CL Jeju Isl, SOUTH KOREA
SP Korean Thermoelect Soc, Int Thermoelect Soc, Inst Elect & Electron Engn, IEEE Components, Packaging & Mfg Technol Soc
ID CA3CO4O9
AB Angle resolved photoemission spectroscopy (ARPES) with a synchrotron radiation as an incident photon source was performed on the layered cobalt oxides Na0.8CoO2. The measured electronic structure was compared with that of the Na0.7CoO2 previously reported. The observed energy-momentum dispersion of the Na0.8CoO2 was essentially the same with that of the Na0.7CoO2 except for the small difference in the chemical potential Delta mu similar to 15meV, which was caused by the difference in the sodium concentration. By employing the spectral conductivity reported for the Na0.7CoO2 and assuming the rigid band model, we calculated the thermoelectric power of the Na0.8CoO2. The measured thermoelectric power was quantitatively reproduced by the calculated one as well as that reported for the Na0.7CoO2, It is concluded that the scenario of the large thermoelectric power induced by the Boltzman-type electrical conduction in the characteristic bands previously proposed for the Na0.7CoO2 is applicable for the Na0.8CoO2.
C1 [Takeuchi, T.] Eco Topia Sci Inst Nagoya Univ, Nagoya, Aichi 4648603, Japan.
[Kond, T.; Kaminski, A.] Ames Lab, Ames, IA 50011 USA.
[Saito, Y.; Fujimori, S.] Japan Atom Energy Agen, Synchrotrom Radiat Res, Hyogo 6795198, Japan.
[Kuno, S.; Takeuchi, T.] Nagoya Univ, Dept Crystalline Mat Sci, Nagoya, Aichi 4648603, Japan.
RP Kuno, S (reprint author), Nagoya Univ, Dept Crystalline Mat Sci, Nagoya, Aichi 4648603, Japan.
FU Ministry of Education, Science, Sports and Culture of Japan [19656160]
FX This work was supported by the Grant-in-Aid for Scientific Research for
Exploratory Research No. 19656160 by the Ministry of Education, Science,
Sports and Culture of Japan.
NR 12
TC 0
Z9 0
U1 0
U2 2
PU IEEE
PI NEW YORK
PA 345 E 47TH ST, NEW YORK, NY 10017 USA
SN 1094-2734
BN 978-1-4244-2262-3
J9 INT CONF THERMOELECT
PY 2008
BP 99
EP 102
PG 4
WC Engineering, Electrical & Electronic; Materials Science,
Multidisciplinary; Physics, Condensed Matter
SC Engineering; Materials Science; Physics
GA BIC12
UT WOS:000258325700026
ER
PT S
AU Hendricks, TJ
Karri, NK
AF Hendricks, Terry J.
Karri, Naveen K.
BE Kim, I
TI Design impacts of stochastically-varying input parameters on advanced
thermoelectric conversion systems
SO PROCEEDINGS ICT 07: TWENTY-SIXTH INTERNATIONAL CONFERENCE ON
THERMOELECTRICS
SE International Conference on Thermoelectrics
LA English
DT Proceedings Paper
CT 26th International Conference on Thermoelectrics (ICT'07)
CY JUN 03-05, 2007
CL Jeju Isl, SOUTH KOREA
SP Korean Thermoelect Soc, Int Thermoelect Soc, Inst Elect & Electron Engn, IEEE Components, Packaging & Mfg Technol Soc
ID MERIT
AB Advanced, direct thermal energy conversion technologies are receiving increased research attention in order to recover waste thermal energy in advanced vehicles and industrial processes. Advanced thermoelectric (TE) systems necessarily require integrated system-level analyses to establish accurate optimum system designs. Past system-level design and analysis has relied on well-defined deterministic input parameters even though many critically important environmental and system design parameters in the above mentioned applications are often randomly variable, sometimes according to complex relationships, rather than discrete, well-known deterministic variables. This work describes new research and development creating techniques and capabilities for probabilistic design and analysis of advanced TE power generation systems to quantify the effects of randomly uncertain design inputs in determining more robust optimum TE system designs and expected outputs. Selected case studies involving stochastic TE material properties and coupled multi-variable stochasticity in key environmental and design parameters are presented and discussed to demonstrate key impacts from considering stochastic design inputs on the TE design optimization process. Critical findings show that: 1) stochastic Gaussian input distributions may produce Gaussian or non-Gaussian outcome probability distributions for critical TE design parameters, and 2) probabilistic input considerations can create design effects that warrant significant modifications to deterministically-derived optimum TE system designs. Magnitudes and directions of these design modifications are quantified for selected TE system design analysis cases.
C1 [Hendricks, Terry J.; Karri, Naveen K.] Pacific NW Natl Lab, 902 Battelle Blvd,MSIN K5-02, Richland, WA 99352 USA.
RP Hendricks, TJ (reprint author), Pacific NW Natl Lab, 902 Battelle Blvd,MSIN K5-02, Richland, WA 99352 USA.
EM terry.hendricks@pnl.gov; naveen.karri@pnl.gov
FU U.S. Department of Energy by Battelle Memorial Institute
[DE-AC05-76RL01830]
FX Operated for the U.S. Department of Energy by Battelle Memorial
Institute under Contract DE-AC05-76RL01830
NR 15
TC 0
Z9 0
U1 0
U2 0
PU IEEE
PI NEW YORK
PA 345 E 47TH ST, NEW YORK, NY 10017 USA
SN 1094-2734
BN 978-1-4244-2262-3
J9 INT CONF THERMOELECT
PY 2008
BP 348
EP 357
PG 10
WC Engineering, Electrical & Electronic; Materials Science,
Multidisciplinary; Physics, Condensed Matter
SC Engineering; Materials Science; Physics
GA BIC12
UT WOS:000258325700085
ER
PT S
AU Lowhorn, ND
Wong-Ng, W
Zhang, W
Lu, ZQ
Otani, M
Thomas, E
Green, M
Tran, TN
Dilley, N
Elsner, N
Hogan, T
Li, Q
Obara, H
Sharp, J
Venkatasubramanian, R
Willigan, R
Yang, J
Nolas, G
Tritt, T
AF Lowhorn, Nathan D.
Wong-Ng, W.
Zhang, W.
Lu, Z. Q.
Otani, M.
Thomas, E.
Green, M.
Tran, T. N.
Dilley, N.
Elsner, N.
Hogan, T.
Li, Q.
Obara, H.
Sharp, J.
Venkatasubramanian, R.
Willigan, R.
Yang, J.
Nolas, G.
Tritt, T.
BE Kim, I
TI Round-robin studies of two potential seebeck coefficient standard
reference materials
SO PROCEEDINGS ICT 07: TWENTY-SIXTH INTERNATIONAL CONFERENCE ON
THERMOELECTRICS
SE International Conference on Thermoelectrics
LA English
DT Proceedings Paper
CT 26th International Conference on Thermoelectrics (ICT'07)
CY JUN 03-05, 2007
CL Jeju Isl, SOUTH KOREA
SP Korean Thermoelect Soc, Int Thermoelect Soc, Inst Elect & Electron Engn, IEEE Components, Packaging & Mfg Technol Soc
ID THERMOELECTRIC-MATERIALS; MERIT
AB The scientific activities of NIST include the development and distribution of standard reference materials (SRM (TM)) for instrument calibration and inter-laboratory data comparison. Full characterization of a thermoelectric material requires measurement of the electrical resistivity, thermal conductivity, and Seebeck coefficient. While standard reference materials exist or have existed for the first two properties, Seebeck coefficient standard reference materials are not available. In an effort to expedite research efforts in this field, we have initiated a project to develop a Seebeck coefficient SRM (TM) material.. Currently, we have completed a round-robin measurement survey of two candidate materials, Bi2Te3 and constantan (55% Cu and 45% Ni). In this paper, we summarize our plan and development effort, including the results and the methodology used for the round-robin measurement survey.
C1 [Lowhorn, Nathan D.; Wong-Ng, W.; Zhang, W.; Lu, Z. Q.; Otani, M.; Thomas, E.; Green, M.] Natl Inst Stand & Technol, Gaithersburg, MD 20899 USA.
[Tran, T. N.] Naval Surface Warfare Ctr, Bethesda, MD 20817 USA.
[Dilley, N.] Quantum Design, San Diego, CA 92121 USA.
[Elsner, N.] Hi Z Technol Inc, San Diego, CA 92126 USA.
[Hogan, T.] Michigan State Univ, E Lansing, MI 48824 USA.
[Li, Q.] Brookhaven Natl Lab, Upton, NY 11973 USA.
[Obara, H.] Adv Inst Sci & Technol, Ibaraki, Japan.
[Sharp, J.] Marlow Ind Inc, Dallas, TX 75238 USA.
[Venkatasubramanian, R.] Res Triangle Inst, Res Triangle Pk, NC 27709 USA.
[Willigan, R.] United Technol Corp, E Hartford, CT 06108 USA.
[Yang, J.] GM R&D Ctr, Warren, MI 48090 USA.
[Nolas, G.] Univ S Florida, Tampa, FL 33620 USA.
[Tritt, T.] Clemson Univ, Clemson, SC 29634 USA.
RP Lowhorn, ND (reprint author), Natl Inst Stand & Technol, Gaithersburg, MD 20899 USA.
NR 7
TC 0
Z9 0
U1 0
U2 2
PU IEEE
PI NEW YORK
PA 345 E 47TH ST, NEW YORK, NY 10017 USA
SN 1094-2734
BN 978-1-4244-2262-3
J9 INT CONF THERMOELECT
PY 2008
BP 366
EP 370
PG 5
WC Engineering, Electrical & Electronic; Materials Science,
Multidisciplinary; Physics, Condensed Matter
SC Engineering; Materials Science; Physics
GA BIC12
UT WOS:000258325700088
ER
PT B
AU Patil, NA
Lawler, JS
McKeever, JW
AF Patil, Niranjan A.
Lawler, J. S.
McKeever, J. W.
GP IEEE
TI y Determining constant power speed ratio of the induction motor from
equivalent circuit parameters
SO PROCEEDINGS IEEE SOUTHEASTCON 2008, VOLS 1 AND 2
LA English
DT Proceedings Paper
CT IEEE SoutheastCon 2008
CY APR 03-06, 2008
CL Huntsville, AL
SP IEEE
AB The equivalent circuit of the induction machine is used to derive analytic expressions for the constant power speed ratio (CPSR) of an induction motor traction drive. The formulas indicate that while many model parameters influence the CPSR to some extent, it is the maximum permissible magnetizing current magnitude, dc supply voltage, base speed and torque requirement, and leakage inductances that have the greatest effect. In situations where the motor design is fixed the orgy parameters that can be varied by the drive designer are the dc supply voltage and power rating. For such cases explicit formulas are developed to find the supply voltage and power rating that meets a given CPSR requirement.
C1 [Patil, Niranjan A.; Lawler, J. S.] Univ Tennessee, Knoxville, TN 37996 USA.
[McKeever, J. W.] Oak Ridge Natl Lab, Oak Ridge, TN USA.
RP Patil, NA (reprint author), Univ Tennessee, Knoxville, TN 37996 USA.
EM npatil@utk.edu; jsl@utk.edu; mckeeverjw@ornl.gov
NR 3
TC 0
Z9 0
U1 0
U2 0
PU IEEE
PI NEW YORK
PA 345 E 47TH ST, NEW YORK, NY 10017 USA
BN 978-1-4244-1883-1
PY 2008
BP 460
EP +
PG 2
WC Computer Science, Theory & Methods; Engineering, Electrical & Electronic
SC Computer Science; Engineering
GA BHW78
UT WOS:000257094700096
ER
PT S
AU Teuscher, C
Hansson, AA
AF Teuscher, Christof
Hansson, Anders A.
GP IEEE
TI Non-traditional irregular interconnects for massive scale SoC
SO PROCEEDINGS OF 2008 IEEE INTERNATIONAL SYMPOSIUM ON CIRCUITS AND
SYSTEMS, VOLS 1-10
SE IEEE International Symposium on Circuits and Systems
LA English
DT Proceedings Paper
CT IEEE International Symposium on Circuits and Systems
CY MAY 18-21, 2008
CL Seattle, WA
SP IEEE
ID NETWORKS; INTEGRATION
AB By using setf-assembling fabrication techniques at the cellular, molecular, or atomic scale, it is nowadays possible to create functional assemblies in a mainly bottom-up way that involve massive numbers of interconnected components. However, such assemblies are often highly irregular, unreliable, and heterogeneous. A grand challenge for future and emerging electronics is thus to reliably and efficiently compute and communicate in such systems. The goal of this paper is to illustrate why non-traditional network-on-chip paradigms are promising for massive scale systems and what the limits are. We have previously shown that certain irregular 3D assemblies and interconnects have major advantages over regular 2D and 3D mesh fabrics in terms of latency, throughput, scalability, and the robustness against simple link failures. We present these results from a complex network perspective and look into the scaling properties of different interconnect topologies and routing algorithms in an abstract framework. We argue that only small-world topologies will scale up to massive scale systems. The long term goal in using irregular, fabrication-friendly, and non-traditional interconnects is to eventually be able to cheaply and easily assemble massive scale computing devices that are able to solve specific large-scale problems competitively with traditional top-down fabricated silicon technology.
C1 [Teuscher, Christof; Hansson, Anders A.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
RP Teuscher, C (reprint author), Los Alamos Natl Lab, POB 1663, Los Alamos, NM 87545 USA.
EM christof@teuscher.ch; hansson@lanl.gov
NR 22
TC 3
Z9 3
U1 0
U2 0
PU IEEE
PI NEW YORK
PA 345 E 47TH ST, NEW YORK, NY 10017 USA
SN 0271-4302
BN 978-1-4244-2078-0
J9 IEEE INT SYMP CIRC S
PY 2008
BP 2785
EP 2788
DI 10.1109/ISCAS.2008.4542035
PG 4
WC Computer Science, Hardware & Architecture; Computer Science, Information
Systems; Engineering, Electrical & Electronic; Physics, Applied;
Telecommunications
SC Computer Science; Engineering; Physics; Telecommunications
GA BID36
UT WOS:000258532102157
ER
PT B
AU Iisa, K
Koch, D
Frederick, J
Realff, M
AF Iisa, Kristiina
Koch, David
Frederick, Jim
Realff, Matthew
BE Jin, Y
Zhai, H
Li, Z
TI Production of Ethanol from Forest Residues and Hog Fuel in a Pulp Mill
SO PROCEEDINGS OF INTERNATIONAL CONFERENCE ON PULPING, PAPERMAKING AND
BIOTECHNOLOGY 2008: ICPPB '08, VOL I
LA English
DT Proceedings Paper
CT International Conference on Pulping, Papermaking and Biotechnology
CY NOV 04-06, 2008
CL Nanjing Forestry Univ, Nanjing, PEOPLES R CHINA
SP Tech Assoc Pulp & Paper Ind, Engn Div & Pulp Manufact Div, Natl Nat Sci Fdn, China Tech Assoc Paper Ind, Japan Tech Assoc Pulp & Paper Ind, N Carolina Univ, Dept Wood & Paper Sci, Univ Tokyo, Grad Sch Agr & Life Sci, Jiangsu Provinicial Key Lab Pulp & Paper Sci & Technol, Jiangsu Tech Assoc Paper Ind, Nanjing Forestry Univ, Pulp & Paper Fdn
HO Nanjing Forestry Univ
AB Liquid transportation fuels can be produced by gasification of carbon containing biomass to syngas (a gaseous mixture of CO and H(2)) with subsequent conversion of the syngas to fuels. One possible process is the so called mixed alcohols synthesis, which produces a mixture of ethanol and higher alcohols.
This study examined the economics of ethanol production from forest residues via gasification and the mixed alcohol synthesis. The process was evaluated with the help of Aspen Plus, a process simulation software package. The feedstock for the modeling cases was southern pine residues, and the plant sizes were 715-2,200 dry tons/day. The results indicated that ethanol can be produced at prices competitive with corn ethanol. The feedstock cost and the plant size had the largest impact on the minimum ethanol selling prices of the variables investigated.
C1 [Iisa, Kristiina] Natl Renewable Energy Lab, Golden, CO USA.
RP Iisa, K (reprint author), Natl Renewable Energy Lab, Golden, CO USA.
NR 8
TC 0
Z9 0
U1 0
U2 3
PU NANJING FORESTRY UNIV
PI NANJING
PA LONGPAN RD, NANJING, JIANGSU 210037, PEOPLES R CHINA
BN 978-988-17682-2-3
PY 2008
BP 190
EP 196
PG 7
WC Materials Science, Paper & Wood
SC Materials Science
GA BJE02
UT WOS:000265073800028
ER
PT B
AU Blazewicz, J
Kasprzak, M
Swiercz, A
Figlerowicz, M
Gawron, P
Platt, D
Szajkowski, L
AF Blazewicz, Jacek
Kasprzak, Marta
Swiercz, Aleksandra
Figlerowicz, Marek
Gawron, Piotr
Platt, Darren
Szajkowski, Lukasz
BE Lee, R
Muenchaisri, P
Dosch, W
TI Parallel implementation of the novel approach to genome assembly
SO PROCEEDINGS OF NINTH ACIS INTERNATIONAL CONFERENCE ON SOFTWARE
ENGINEERING, ARTIFICIAL INTELLIGENCE, NETWORKING AND
PARALLEL/DISTRIBUTED COMPUTING
LA English
DT Proceedings Paper
CT 9th International Conference on Software Engineering Artificial
Intelligence, Networking and Parallel/Distributed Computing
CY AUG 06-08, 2008
CL Phuket, THAILAND
SP Int Assoc Comp & Informat Sci, IEEE, IEEE Comp Soc, UniNet, Thailand Convent & Exhibit Bureau
ID DNA; HYBRIDIZATION
AB DNA assembly problem is well known for its high complexity both on biological and computational levels. Traditional laboratory approach to the problem, which involves DNA sequencing by hybridization or by gel electrophoresis, entails a lot of errors coming from experimental and algorithmic stages. DNA sequences constituting the traditional assembly input have lengths about a few hundreds of nucleotides and they cover each other rather sparsely. A new biochemical approach to DNA sequencing, proposed recently, gives highly reliable output of relatively low cost and in short time. It is 454 sequencing, based on the pyrosequencing protocol, owned by 454 Life Sciences Corporation. The produced sequences are shorter (about 100-200 nucleotides) but their coverage in the assembled sequence is very dense. In the paper we propose a parallel implementation of an algorithm dealing well with such data and outperforming other assembly algorithms used in practice. The algorithm is a heuristic based on a graph model, the graph being built on the set of input sequences. Computational tests were performed on real data obtained from the 454 sequencer during sequencing the genome of bacteria Prochlorococcus marinus.
C1 [Blazewicz, Jacek; Kasprzak, Marta; Swiercz, Aleksandra] Poznan Univ Tech, Inst Comp Sci, Piotrowo 2, PL-60965 Poznan, Poland.
[Blazewicz, Jacek; Kasprzak, Marta; Swiercz, Aleksandra; Figlerowicz, Marek] Polish Acad Sci, Inst Bioorgan Chem, PL-61704 Poznan, Poland.
[Gawron, Piotr] Poznan Univ Tech, Inst Comp Sci, P-60965 Poznan, Poland.
[Platt, Darren; Szajkowski, Lukasz] Joint Genome Inst, Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
RP Blazewicz, J (reprint author), Poznan Univ Tech, Inst Comp Sci, Piotrowo 2, PL-60965 Poznan, Poland.
EM jblazewicz@cs.put.poznan.pl
RI Kasprzak, Marta/H-9242-2012; Swiercz, Aleksandra/K-6507-2014; Blazewicz,
Jacek/L-5597-2014; Figlerowicz, Marek/B-9550-2015
OI Blazewicz, Jacek/0000-0001-8326-1094;
FU Polish Ministry of Science and Higher Education
FX The research has been partially supported by a grant of the Polish
Ministry of Science and Higher Education.
NR 22
TC 2
Z9 2
U1 0
U2 3
PU IEEE COMPUTER SOC
PI LOS ALAMITOS
PA 10662 LOS VAQUEROS CIRCLE, PO BOX 3014, LOS ALAMITOS, CA 90720-1264 USA
BN 978-0-7695-3263-9
PY 2008
BP 732
EP +
DI 10.1109/SNPD.2008.47
PG 2
WC Computer Science, Artificial Intelligence; Computer Science, Hardware &
Architecture; Computer Science, Information Systems; Computer Science,
Software Engineering; Computer Science, Theory & Methods
SC Computer Science
GA BIG63
UT WOS:000259363600121
ER
PT B
AU Burkert, VD
AF Burkert, V. D.
BE Hammer, HW
Kleber, V
Thoma, U
Schmiedan, H
TI Probing the nucleon structure with CLAS Highlights of recent results
SO PROCEEDINGS OF THE 11TH WORKSHOP ON THE PHYSICS OF EXCITED NUCLEONS
LA English
DT Proceedings Paper
CT 11th Workshop on the Physics of Excited Nucleons
CY SEP 05-08, 2007
CL Univ Bonn, Bonn, GERMANY
SP Deutsch Forschungsgemeinsch, Forschungszentrum Julich, Univ Bonn, CAEN SpA, sysGen GmbH, W IE NE R Plein & Baus GmbH
HO Univ Bonn
ID ELECTROPRODUCTION; RESONANCE
AB An overview of recent results weith CLAS is presented with emphasis on the nucleon resonance program and related topics.
C1 Jefferson Lab, CLAS Collaborat, Newport News, VA USA.
RP Burkert, VD (reprint author), Jefferson Lab, CLAS Collaborat, Newport News, VA USA.
EM burkert@jlab.org
NR 38
TC 1
Z9 1
U1 0
U2 0
PU SPRINGER-VERLAG BERLIN
PI BERLIN
PA HEIDELBERGER PLATZ 3, D-14197 BERLIN, GERMANY
BN 978-3-540-85143-1
PY 2008
BP 7
EP 13
PG 7
WC Physics, Applied; Physics, Nuclear
SC Physics
GA BII37
UT WOS:000259692400002
ER
PT B
AU Richards, D
AF Richards, D.
BE Hammer, HW
Kleber, V
Thoma, U
Schmiedan, H
TI Nucleon structure from lattice QCD
SO PROCEEDINGS OF THE 11TH WORKSHOP ON THE PHYSICS OF EXCITED NUCLEONS
LA English
DT Proceedings Paper
CT 11th Workshop on the Physics of Excited Nucleons
CY SEP 05-08, 2007
CL Univ Bonn, Bonn, GERMANY
SP Deutsch Forschungsgemeinsch, Forschungszentrum Julich, Univ Bonn, CAEN SpA, sysGen GmbH, W IE NE R Plein & Baus GmbH
HO Univ Bonn
ID DISTRIBUTIONS; SCATTERING; FERMIONS
AB Recent advances in lattice field theory, in computer technology and in chiral perturbation theory have enabled lattice QCD to emerge as a powerful quantitative tool in understanding hadron structure. I describe recent progress in the computation of the nucleon form factors and moments of parton distribution functions, before proceeding to describe lattice studies of the Generalized Parton Distributions (GPDs). In particular, I show how lattice studies of GPDs contribute to building a three-dimensional picture of the proton, I conclude by describing the prospects for studying the structure of resonances from lattice QCD.
C1 Jefferson Lab, Newport News, VA 23606 USA.
RP Richards, D (reprint author), Jefferson Lab, 12000 Jefferson Ave, Newport News, VA 23606 USA.
NR 30
TC 1
Z9 1
U1 0
U2 0
PU SPRINGER-VERLAG BERLIN
PI BERLIN
PA HEIDELBERGER PLATZ 3, D-14197 BERLIN, GERMANY
BN 978-3-540-85143-1
PY 2008
BP 40
EP 45
PG 6
WC Physics, Applied; Physics, Nuclear
SC Physics
GA BII37
UT WOS:000259692400008
ER
PT B
AU Mokeev, VI
Burkert, VD
Elouadrhiri, L
Fedotov, GV
Golovach, EN
Isupov, EL
Ishkhanov, BS
Shvedunov, NV
AF Mokeev, V. I.
Burkert, V. D.
Elouadrhiri, L.
Fedotov, G. V.
Golovach, E. N.
Isupov, E. L.
Ishkhanov, B. S.
Shvedunov, N. V.
CA CLAS Collaboration
BE Hammer, HW
Kleber, V
Thoma, U
Schmiedan, H
TI Analysis of CLAS data on double charged-pion electroproduction
SO PROCEEDINGS OF THE 11TH WORKSHOP ON THE PHYSICS OF EXCITED NUCLEONS
LA English
DT Proceedings Paper
CT 11th Workshop on the Physics of Excited Nucleons
CY SEP 05-08, 2007
CL Univ Bonn, Bonn, GERMANY
SP Deutsch Forschungsgemeinsch, Forschungszentrum Julich, Univ Bonn, CAEN SpA, sysGen GmbH, W IE NE R Plein & Baus GmbH
HO Univ Bonn
ID NUCLEON-RESONANCE; VIRTUAL PHOTONS; PROTON; REGION; MODEL
AB Recent developments in phenomenological analysis of the CLAS data on 2 pi electroproduction are presented. The contributions from the different isobar channels and the P-11(1440), D-13(1520) electrocouplings at Q(2) from 0.25 to 0.6 GeV2 were determined from the analysis of comprehensive data on differential and fully integrated 2 pi cross sections.
C1 [Mokeev, V. I.; Burkert, V. D.; Elouadrhiri, L.] Jefferson Lab, 12000 Jefferson Ave, Newport News, VA 23606 USA.
[Mokeev, V. I.; Fedotov, G. V.; Golovach, E. N.; Isupov, E. L.; Ishkhanov, B. S.; Shvedunov, N. V.] Moscow MV Lomonosov State Univ, Skobeltsyn Nucl Phys Inst, Moscow 119899, Russia.
RP Mokeev, VI (reprint author), Jefferson Lab, 12000 Jefferson Ave, Newport News, VA 23606 USA.
EM mokeev@jlab.org; burkert@jlab.org
RI Ishkhanov, Boris/E-1431-2012
FU U.S. DOE [DE-AC05-060R23177]; Jefferson Science Associates; LLC
FX The work was supported by U.S. DOE contract DE-AC05-060R23177 under
which Jefferson Science Associates, LLC, operates the Jefferson Lab.
NR 17
TC 5
Z9 5
U1 0
U2 0
PU SPRINGER-VERLAG BERLIN
PI BERLIN
PA HEIDELBERGER PLATZ 3, D-14197 BERLIN, GERMANY
BN 978-3-540-85143-1
PY 2008
BP 76
EP +
PG 2
WC Physics, Applied; Physics, Nuclear
SC Physics
GA BII37
UT WOS:000259692400014
ER
EF