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Glued CaWO_4 detectors for the CRESST-II experiment

机译:用于CRESST-II实验的粘合式CaWO_4检测器

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The Cryogenic Rare Event Search with Superconducting Thermometers Phase II (CRESST-II) at the L.N.G.S in Italy is searching for Dark Matter using low-temperature calorimeters. These detectors allow to discriminate different particles by simultaneous measurement of phonons and scintillation light. The sensors used consist of superconducting tungsten thin-film thermometers, which measure the thermal effect of the phonons created in an attached absorber crystal. It has been observed that the scintillation of the CaWO_4 absorber degrades during the process of depositing the tungsten film. In order to prevent this, a new technique for producing the detectors was investigated. This technique might also be valuable by expanding the range of scintillator materials suitable for producing a Dark Matter detector.
机译:位于意大利L.N.G.S的超导温度计II期(CRESST-II)的低温稀有事件搜索正在使用低温量热仪搜索暗物质。这些检测器允许通过同时测量声子和闪烁光来区分不同的粒子。所使用的传感器由超导钨薄膜温度计组成,该温度计测量附着在吸收体晶体中的声子的热效应。已经观察到,在沉积钨膜的过程中,CaWO_4吸收剂的闪烁降低。为了防止这种情况,研究了一种用于制造探测器的新技术。通过扩大适用于生产暗物质探测器的闪烁体材料的范围,该技术也可能有价值。

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