Optimization of light collection from crystal scintillators for cryogenic experiments
Optimization of light collection from crystal scintillators for cryogenic experiments
复制标题
用于低温实验的晶体闪烁体光收集的优化
DOI:
10.1016/j.nima.2014.01.042
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发表时间:
2014
期刊:
影响因子:
--
通讯作者:
Danevich F
中科院分区:
文献类型:
--
作者:
Danevich F
High light collection efficiency is an important requirement in any application of scintillation detectors. The purpose of this study is to investigate the possibility for improving this parameter in cryogenic scintillation bolometers, which can be considered as promising detectors in experiments investigating neutrinoless double beta decay and dark matter. Energy resolutions and relative pulse amplitudes of scintillation detectors using ZnWO4scintillation crystals of different shapes (cylinder ∅ 20×20 mm and hexagonal prism with diagonal 20 mm and height 20 mm), reflector materials and shapes, optical contact and surface properties (polished and diffused) were measured at room temperature. Propagation of optical photons in these experimental conditions was simulated using Geant4 and ZEMAX codes. The results of the simulations are found to be in good agreement with each other and with direct measurements of the crystals. This could be applied to optimize the geometry of scintillation detectors used in the cryogenic experiments.
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发表时间:
2005
影响因子:
1.4
作者:
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