ZnWO4 crystals as detectors for 2β decay and dark matter experiments

被引：92

作者：

Danevich, FA ^{[1
]}

Kobychev, VV ^{[1
]}

Nagorny, SS ^{[1
]}

Poda, DV ^{[1
]}

Tretyak, VI ^{[1
]}

Yurchenko, SS ^{[1
]}

Zdesenko, YG ^{[1
]}

机构：

[1] Nucl Res Inst, UA-03680 Kiev, Ukraine

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2005年 / 544卷 / 03期

关键词：

ZaWO(4) crystal scintillators; double beta decay; dark matter;

D O I：

10.1016/j.nima.2005.01.303

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

Energy resolution, alpha/beta ratio, and the pulse shape discrimination ability of the ZnWO4 crystal scintillators were studied. The radioactive contamination of a ZnWO4 crystal was investigated in the Solotvina Underground Laboratory. Possibilities to apply ZnWO4 crystals for the dark matter and double beta decay searches are discussed. New improved half-life limits on double beta decay in zinc isotopes were established, in particular, for epsilon beta(+) decay of Zn-64 as: T-1/2(2v)>= 8.9 x 10(18) years and T(1/2)(0v)3.6 x 10(18) years, both at 68% CL. (c) 2005 Elsevier B.V. All rights reserved.

引用

页码：553 / 564

页数：12

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