New limits on the WIMP Cold Dark Matter interaction cross section from the UK experiment

被引：0
|
作者：
Ali, T
Sumner, TJ
Quenby, JJ
Bewick, A
Smith, NJT
Jones, WG
Ahmed, B
Davidge, D
Davies, GJ
Howard, A
Joshi, MK
Smith, PF
Homer, GJ
Arnison, GTJ
Lewin, JD
Alner, GJ
Spooner, NJ
Thompson, L
Sellin, P
Walker, S
Roberts, J
Peak, C
Barton, JC
机构：
[1] Univ London Imperial Coll Sci Technol & Med, Blackett Lab, London SW7 2BZ, England
[2] Rutherford Appleton Lab, Particle Phys Dept, Didcot OX11 0QX, Oxon, England
[3] Univ Sheffield, Dept Phys, Sheffield S3 7RH, S Yorkshire, England
[4] Univ London Birkbeck Coll, Dept Phys, London WC1E 7HX, England
来源：
COSMO-97: FIRST INTERNATIONAL WORKSHOP ON PARTICLE PHYSICS AND THE EARLY UNIVERSE | 1998年
关键词：
D O I：
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中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The UK Dark Matter Collaboration has run a 5-6 kg NaI detector in a low-noise underground site for about a year. Signatures of Cold Dark Matter (CDM) interactions are sought using pulse shape discrimination techniques by searching for the relatively short scintillation pulses arising from nuclear recoils among the longer background events from residual radioactivity in the detector. Here we report on an improvement to the limits on the CDM cross section for spin dependent interactions using our latest data from a crystal with improved detection efficiency and taking into account new calculations of the spin factor correction between the nucleus and nucleon-supersymmetric particle cross sections.
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页码：172 / 178
页数：7
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