Alternative Scintillating Materials for the CRESST Dark Matter Search

被引:10
|
作者
Schaffner, K. [1 ]
Proebst, F. [1 ]
Seidel, W. [1 ]
Petricca, F. [1 ]
Hauff, D. [1 ]
Kleindienst, R. [1 ]
机构
[1] Max Planck Inst Phys & Astrophys, Fohringer Ring 6, D-80805 Munich, Germany
关键词
Inorganic scintillators; Low temperature detectors; TES;
D O I
10.1007/s10909-012-0488-8
中图分类号
O59 [应用物理学];
学科分类号
摘要
The CRESST Dark Matter Search aims to detect Dark Matter particles via their elastic scattering off nuclei in scintillating target crystals. A simultaneous measurement of a phonon and light signal allows to efficiently discriminate the dominant beta and gamma background from expected nuclear recoil signals. For a given light detector and reflector, it is the scintillation efficiency of the crystal which determines the lowest energy for which the active background discrimination is still efficient. Crystals with a higher light output therefore can improve the overall sensitivity of the experiment. In this context, measurements of the light yield of CsI (undoped) and CdWO4 crystals at milli-Kelvin temperature are presented. Furthermore we report on first results of measurements of these crystals in conventional CRESST configuration.
引用
收藏
页码:1075 / 1080
页数:6
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