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.

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收藏

页码：141 / 146

页数：6

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