Limits on spin-dependent WIMP-nucleon cross-sections from the first ZEPLIN-II data

被引:32
|
作者
Alner, G. J.
Araujo, H. M.
Bewick, A.
Bungau, C.
Camanzi, B.
Carson, M. J.
Cashmore, R. J.
Chagani, H.
Chepel, V.
Cline, D.
Davidge, D.
Davies, J. C.
Daw, E.
Dawson, J.
Durkin, T.
Edwards, B.
Gamble, T.
Gao, J.
Ghag, C.
Howard, A. S.
Jones, W. G.
Joshi, M.
Korolkova, E. V.
Kudryavtsev, V. A. [1 ]
Lawson, T.
Lebedenko, V. N.
Lewin, J. D.
Lightfoot, P.
Lindote, A.
Liubarsky, I.
Lopes, M. I.
Luescher, R.
Majewski, P.
Mavrokoridis, K.
McMillan, J. E.
Morgan, B.
Muna, D.
Murphy, A. St. J.
Neves, F.
Nicklin, G. G.
Ooi, W.
Paling, S. M.
da Cunha, J. Pinto
Plank, Sts.
Preece, R. M.
Quenby, J. J.
Robinson, M.
Salinas, G.
Sergiampietri, F.
Silva, C.
机构
[1] Univ Sheffield, Dept Phys & Astron, Sheffield, S Yorkshire, England
[2] Imperial Coll London, Blackett Lab, London, England
[3] Univ Oxford, Brasenose Coll, Dept Phys, Oxford OX1 2JD, England
[4] Univ Coimbra, LIP, Dept Phys, P-3000 Coimbra, Portugal
[5] Univ Calif Los Angeles, Dept Phys & Astron, Los Angeles, CA USA
[6] Univ Edinburgh, Sch Phys, Edinburgh EH8 9YL, Midlothian, Scotland
[7] Texas A&M Univ, Dept Phys, College Stn, TX 77843 USA
[8] Univ Rochester, Dept Phys & Astron, Rochester, NY 14627 USA
基金
英国科学技术设施理事会;
关键词
ZEPLIN-II; dark matter; WIMPs; liquid xenon; radiation detectors;
D O I
10.1016/j.physletb.2007.08.030
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
The first underground data run of the ZEPLIN-II experiment has set a limit on the nuclear recoil rate in the two-phase xenon detector for direct dark matter searches. In this Letter the results from this run are converted into the limits on spin-dependent WIMP-proton and WIMP-neutron cross-sections. The minimum of the curve for WIMP-neutron cross-section corresponds to 7 x 10(-2) pb at a WIMP mass of around 65 GeV. (c) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码:161 / 166
页数:6
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