SEARCHING FOR DARK-MATTER WITH THE ENRICHED GE DETECTORS OF THE HEIDELBERG-MOSCOW BETA-BETA-EXPERIMENT

被引：103
|
作者：
BECK, M
BENSCH, F
BOCKHOLT, J
HEUSSER, G
KLAPDORKLEINGROTHAUS, HV
MAIER, B
PETRY, F
PIEPKE, A
STRECKER, H
VOLLINGER, M
ZUBER, K
BALYSH, A
BELYAEV, ST
DEMEHIN, A
GUROV, A
KONDRATENKO, I
LEBEDEV, VI
MULLER, A
机构：
[1] KURCHATOV INST,RUSSIAN SCI CTR,123182 MOSCOW,RUSSIA
[2] IST NAZL FIS NUCL GRAN SASSO,LNGS,I-67010 ASSERGI,ITALY
来源：
PHYSICS LETTERS B | 1994年 / 336卷 / 02期
关键词：
D O I：
10.1016/0370-2693(94)01000-5
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
For the first time a search for dark matter with isotopically enriched material is done, by using the Ge detectors of the Heidelberg-Moscow experiment. A measuring time of 165.6 kg.d is used to set limits on the spin-independent cross section of weakly interacting massive particles (WIMPs). A background level of 0.102+/-0.005 events/(kg.d.keV) was achieved (average value between 11 keV and 30 keV). It was possible to extend the exclusion range for Dirac neutrino masses up to 4.7 TeV.
引用
收藏
页码：141 / 146
页数：6
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