Improved limits for natural a radioactivity of tungsten with a CaWO4 scintillating bolometer

被引：31
|
作者：
Cebrián, S
Coron, N
Dambier, G
de Marcillac, P
García, E
Irastorza, IG
Leblanc, J
Morales, A
Morales, J
de Solórzano, AO
Puimedón, J
Sarsa, ML [1 ]
Villar, JA
机构：
[1] Univ Zaragoza, Lab Fis Nucl & Altas Energias, E-50009 Zaragoza, Spain
[2] Inst Astrophys Spatiale, F-91405 Orsay, France
来源：
PHYSICS LETTERS B | 2003年 / 556卷 / 1-2期
关键词：
alpha decay; tungsten; scintillating bolometer;
D O I：
10.1016/S0370-2693(03)00123-0
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
An experiment has been carried out at the Canfranc Underground Laboratory with a 54 g CaWO4 scintillating bolometer in the frame of the ROSEBUD (Rare Objects SEarch with Bolometers UndergrounD) Collaboration. This detector has been developed in order to achieve a good particle discrimination capability by means of the simultaneous detection of light and heat with the goal of rejecting background in dark matter search. This Letter reports, as a byproduct of such development, improved limits on the lifetime for a decaying tungsten isotopes. (C) 2003 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：14 / 20
页数：7
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