Zobrazeno 1 - 10 of 40 pro vyhledávání: '"R M Ibberson"'
1
Optimization of 6LiF:ZnS(Ag) scintillator light yield using GEANT4
Autor: K. Pritchard, Y.S Cohen, Y. Yehuda-Zada, J. Ziegler, R. M. Ibberson, Itzhak Orion, Catherine C. Cooksey, C. Hurlbut, N.C. Maliszewskyj, M. Jackson, Charles F. Majkrzak, Kerry Siebein, Y. Kadmon, A. Osovizky
Publikováno v: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 892:59-69
A new cold neutron detector has been developed at the NIST Center for Neutron Research (NCNR) for the CANDoR (Chromatic Analysis Neutron Diffractometer or Reflectometer) project. Geometric and performance constraints dictate that this detector be exc
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b7729d36ae0a552c4136ae42513f0c17
https://doi.org/10.1016/j.nima.2018.02.099
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2
6LiF:ZnS(Ag) Mixture Optimization for a Highly Efficient Ultrathin Cold Neutron Detector
Autor: Y. Yehuda-Zada, C. Hurlbut, N.C. Maliszewskyj, Catherine C. Cooksey, Alan K. Thompson, G.M. Baltic, K. Pritchard, Charles F. Majkrzak, P. Tsai, Kerry Siebein, E. Binkley, A. Osovizky, N. Hadad, J. Ziegler, R. M. Ibberson, M. Jackson
Publikováno v: IEEE Transactions on Nuclear Science. 65:1025-1032
We report the optimization of 6LiF:ZnS(Ag) scintillator mixtures for an ultrathin ( $\approx 30$ %). Our optimization took the form of exploring the weight ratios of neutron converter, phosphor, and binder to promote high neutron capture probability
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::480ce58e590507732b8434f046c36b23
https://doi.org/10.1109/tns.2018.2809567
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3
Experimental characterization of the Advanced Liquid Hydrogen Cold Neutron Source spectrum of the NBSR reactor at the NIST Center for Neutron Research
Autor: Richard M. Lindstrom, C. Gagnon, J. G. Barker, R.E. Williams, R. M. Ibberson, J.C. Cook, Dan A. Neumann, J.M. Rowe
Publikováno v: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 792:15-27
The recent expansion of the National Institute of Standards and Technology (NIST) Center for Neutron Research facility has offered a rare opportunity to perform an accurate measurement of the cold neutron spectrum at the exit of a newly-installed neu
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::83c4004f5206cadf123bc8ce3cdf5367
https://doi.org/10.1016/j.nima.2015.04.037
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5
Spin glass behavior in frustrated quantum spin system CuAl2O4 with a possible orbital liquid state
Autor: R Nirmala, Kwang-Hyun Jang, Hasung Sim, Hwanbeom Cho, Junghwan Lee, Nam-Geun Yang, Seongsu Lee, R M Ibberson, K Kakurai, M Matsuda, S-W Cheong, V V Gapontsev, S V Streltsov, Je-Geun Park
Publikováno v: J Phys Condens Matter
Journal of Physics Condensed Matter
CuAl2O4 is a normal spinel oxide having quantum spin, S=1/2 for Cu2+. It is a rather unique feature that the Cu2+ ions of CuAl2O4 sit at a tetrahedral position, not like the usual octahedral position for many oxides. At low temperatures, it exhibits
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d384ab51bebd4d1e5625e70dba222091
http://arxiv.org/abs/1701.08272
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6
Structure determination of α-La6W2O15
Autor: François Goutenoire, R. M. Ibberson, M.-H. Chambrier
Publikováno v: Journal of Solid State Chemistry. 183:1297-1302
The structure of the high temperature alpha form of La 6 W 2 O 15 has been determined ab-initio from high temperature laboratory X-ray and neutron time-of-flight data. This tungstate crystallizes in the non-centrosymmetric orthorhombic space group (N
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8fc61de201b64186bd31241b9f503abf
https://doi.org/10.1016/j.jssc.2010.03.043
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8
Spin gap in Tl2Ru2O7 and the possible formation of Haldane chains in three-dimensional crystals
Autor: D. I. Khomskii, Seongsu Lee, D. T. Adroja, K.A. McEwen, Ryoji Kanno, Sergey V. Streltsov, Daisuke Mori, Kazuyoshi Yoshimura, V. I. Anisimov, R. M. Ibberson, J.-G. Park, H. Sakai
Publikováno v: Nature Materials. 5(6):471-476
Dimensionality is one of the most important parameters of physical phenomena. Only two things determine the universality class of a phase transition: the dimensionality of a given system and the symmetry of the order parameter. In most cases, the dim
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5d759c27218a359e8c14ae40a4fd65eb
http://t2r2.star.titech.ac.jp/cgi-bin/publicationinfo.cgi?q_publication_content_number=CTT100528185
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9
The crystal structure of $\gamma$-phase p-dichlorobenzene at low temperature and high pressure by high-resolution neutron powder diffraction
Autor: C C Wilson, R M Ibberson
Publikováno v: Journal of Physics: Condensed Matter. 14:7287-7295
The γ-phase crystal structure of the title compound, C6D4Cl2, space group P 21 /c, a = 8.5478(2), b = 5.9519(1), c = 7.2859(2)A, V = 295.12(1)A3, Z = 2, ρcalc = 1.6993(1) g cm−3 at 5 K, has been accurately refined against high-resolution neutron
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::fc98d2b6dc97c6b384765ee0a1f713d7
https://doi.org/10.1088/0953-8984/14/31/301
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10
The crystal structure determination of dimethylsulphide by high-resolution neutron powder diffraction
Autor: Peter J. McDonald, R. M. Ibberson, M. Pinter-Krainer
Publikováno v: Journal of Molecular Structure. 415:259-266
The crystal structure of perdeuterated dimethylsulphide, S(CD 3 ) 2 , has been solved ab initio from high-resolution neutron powder diffraction data at low temperature. The structure is triclinic, space group Pl; V rmc = 179.31 A 3 at 5 K and Z = 2.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1ba665f081d35eeeec363865803707f8
https://doi.org/10.1016/s0022-2860(97)00102-6
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