New results on low-mass dark matter from the CRESST-II experiment

New results on low-mass dark matter from the CRESST-II experiment
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CRESST-II 实验关于低质量暗物质的新结果

DOI:
10.1088/1742-6596/718/4/042044
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发表时间:
2016
期刊:
Conference Series
影响因子:
--
通讯作者:
Petricca F
Petricca F
中科院分区:
--
文献类型:
--
作者:
Petricca F

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CRESST-II 实验正在通过目标材料中原子核的弹性散射来寻找暗物质粒子。 CRESST 目标由闪烁 CaW0 4 晶体组成,这些晶体在毫开尔文温度下作为低温量热计运行,并由过渡边缘传感器读出。 CaWO 4 目标晶体中的每次相互作用都会产生声子信号以及由二级低温量热计测量的光信号。这些探测器的低能量阈值与目标材料中轻核的存在相结合,允许以高灵敏度探测参数空间的低质量区域,以实现与自旋无关的暗物质核散射。
The CRESST-II experiment is searching for dark matter particles via their elastic scattering off nuclei in a target material. The CRESST target consists of scintillating CaW0 4 crystals which are operated as cryogenic calorimeters at millikelvin temperatures and read out by transition edge sensors. Each interaction in the CaW0 4 target crystal produces a phonon signal and also a light signal that is measured by a secondary cryogenic calorimeter. The low energy thresholds of these detectors, combined with the presence of light nuclei in the target material, allow to probe the low-mass region of the parameter space for spin-independent dark matter-nucleon scattering with high sensitivity.
第十四届天体粒子和地下物理主题国际会议 (TAUP 2015)
DOI: --
发表时间: 2016
期刊:
影响因子: --
作者:
Jorge Wagner;Rodrigo Wilkens;M. Idiart;Aline Villavicencio
通讯作者: Aline Villavicencio