Directional scintillation detector for the detection of the wind of WIMPs

被引：49
|
作者：
Shimizu, Y
Minowa, M
Sekiya, H
Inoue, Y
机构：
[1] Univ Tokyo, Sch Sci, Dept Phys, Bunkyo Ku, Tokyo 1130033, Japan
[2] Univ Tokyo, ICEPP, Bunkyo Ku, Tokyo 1130033, Japan
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2003年 / 496卷 / 2-3期
关键词：
scintillation detector; organic crystal; stilbene; dark matter; weakly interacting massive particles (WIMP);
D O I：
10.1016/S0168-9002(02)01661-3
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
The quenching factor for proton recoils in a stilbene scintillator was measured with a Cf-252 neutron source and was found to be 0.1-0.17 in the recoil energy range between 300 keV and 3 MeV. It was confirmed that the light yield depends on the direction of the recoil proton. The directional anisotropy of the quenching factor could be used to detect the wind of the WIMPs caused by the motion of the earth around the galactic center. (C) 2002 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：347 / 352
页数：6
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