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Time Resolution of BC422 Plastic Scintillator Read Out by a SiPM
IEEE Transactions on Nuclear Science ( IF 1.8 ) Pub Date : 2021-06-15 , DOI: 10.1109/tns.2021.3089616
Alexey Stoykov , Tigran Rostomyan

Plastic scintillators are widely used in particle detectors when precise timing information is required. As a basis for comparing different detectors, we use such a characteristic as the time resolution per 1 MeV detected energy, i.e., the expected time resolution assuming the deposited energy in the scintillator is equal to 1 MeV, and all the scintillation light is collected to the photosensor. In this work, we measure this parameter with BC422 plastic scintillator read out by different silicon photomultipliers (SiPMs). The best obtained value is about 6 ps, which is almost a factor of 3 better compared to our earlier result from 2012. Such an improvement represents the progress in the development of SiPMs made over these years and, driven by this progress, improved knowledge and know-how on such detectors.

中文翻译:

由 SiPM 读出的 BC422 塑料闪烁体的时间分辨率

当需要精确的计时信息时,塑料闪烁体被广泛用于粒子探测器。作为比较不同探测器的依据,我们利用每1 MeV探测能量的时间分辨率这样的特性,即假设闪烁体中沉积的能量等于1 MeV的预期时间分辨率,并且所有的闪烁光被收集到光电传感器。在这项工作中,我们使用由不同硅光电倍增管 (SiPM) 读出的 BC422 塑料闪烁体测量该参数。获得的最佳值约为 6 ps,与我们 2012 年的早期结果相比几乎提高了 3 倍。这样的改进代表了这些年来 SiPM 的发展取得的进展,并在这一进展的推动下,提高了知识和此类探测器的专有技术。
更新日期:2021-07-20
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