New limits on dark-matter weakly interacting particles from the Heidelberg-Moscow experiment -: art. no. 022001.

被引：48

作者：

Baudis, L ^{[1
]}

Hellmig, J

Heusser, G

Klapdor-Kleingrothaus, HV

Kolb, S

Majorovits, B

Päs, H

Ramachers, Y

Strecker, H

Alexeev, V

Bakalyarov, A

Balysh, A

Belyaev, ST

Lebedev, VI

Zhukov, Z

机构：

[1] Max Planck Inst Kernphys, POB 10 39 80, D-69029 Heidelberg, Germany

[2] Russian Sci Ctr, Kurchatov Inst, Moscow 123182, Russia

来源：

PHYSICAL REVIEW D | 1999年 / 59卷 / 02期

关键词：

D O I：

10.1103/PhysRevD.59.022001

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

New results after 0.69 kg yr of measurement with an enriched Ge-76 detector of the Heidelberg-Moscow experiment with an active mass of 2.758 kg an presented. An energy threshold of 9 keV and a background level of 0.042 cts/(kg d keV) in the energy region between 15 keV and 40 keV was reached. The derived limits on the weakly interacting massive particles-nucleon cross section are the most stringent limits on spin-independent interactions obtained to date by using essentially raw data without background subtraction. [S0556-2821(98)05424-1].

引用

页数：5

共 27 条

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