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

页码：150 / 153

页数：4

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