Development of 300 g scintillating calorimeters

被引:0
|
作者
Frank, T [1 ]
Angloher, G [1 ]
Bruckmayer, M [1 ]
Cozzini, C [1 ]
Di Stefano, P [1 ]
Hauff, D [1 ]
Pröbst, F [1 ]
Schmidt, J [1 ]
Seidel, W [1 ]
机构
[1] Max Planck Inst Phys & Astrophys, D-80805 Munich, Germany
来源
LOW TEMPERATURE DETECTORS | 2002年 / 605卷
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中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
The sensitivity for WIMP detection can be improved by an ability to efficiently discriminate the gamma and beta backgrounds from the nuclear recoil signals. The CRESST phase II detectors will achieve this discrimination by means of simultaneous measurement of phonons and scintillation light. We report on the development of a 300 g detector module consisting of two separate calorimeters fitted with tungsten phase transition thermometers. A 300 g CaWO4 crystal serves as the target material in which a recoiling WIMP creates both phonons and scintillation light. Phonons are detected by a thermometer on the CaWO4 crystal. A second smaller detector in close proximity detects the scintillation light. Measurements with this setup will be presented.
引用
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页码:501 / 504
页数:4
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