THE HEIDELBERG-MOSCOW EXPERIMENT - SEARCHING FOR DARK-MATTER

被引：29
|
作者：
BECK, M [1 ]
机构：
[1] MAX PLANCK INST KERNPHYS, D-69029 HEIDELBERG, GERMANY
来源：
NUCLEAR PHYSICS B | 1994年
关键词：
D O I：
10.1016/0920-5632(94)90235-6
中图分类号：
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号：
摘要：
First results on a dark matter search done by the HEIDELBERG-MOSCOW double beta decay are resented. The experiment is running in the GRAN SASSO Underground Laboratory. A 2.9 kg ultra-low background HP-detector of enriched (86%) Ge-76, built to measure double beta decay, has been used to search for WIMPs. The measuring time is 60 days, corresponding to a statistical significance of 165 kg.d. Because of the extremely low background (0.067+/-0.002 counts.d.keV) in the region 10-100 keV we obtain improved limits for the heavy WIMP cross sections. Perspectives of the experiment are discussed.
引用
收藏
页码：150 / 153
页数：4
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