n/γ discrimination of SiPM array-based CLYC detector

n/γ discrimination of SiPM array-based CLYC detector

Cs2LiYCl6:Ce3+ (CLYC) is one of the most ideal scintillators for n/γ detection. Compact CLYC detectors with SiPM array readout have wide-spreading interests recently. In this study, we evaluated the pulse shape discrimination (PSD) of a 2-inch CLYC crystal coupled with SiPM array and digitized by a...

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Veröffentlicht in:Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment Accelerators, spectrometers, detectors and associated equipment, 2022-08, Vol.1036, p.166870, Article 166870
Hauptverfasser: Wang, Chenger, Sun, Xilei, Yu, Jinqiu, Lv, Junguang, Deng, Yong, Li, Junjie, Jiang, Huan, Luo, Liang, Fan, Xiaoxue, Gu, Fengbo, Qi, Xiaohui
Format: Artikel
Sprache:eng
Schlagworte:
CLYC crystal
Pulse-shape discrimination
SiPM array
Waveform digitization
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Zusammenfassung:Cs2LiYCl6:Ce3+ (CLYC) is one of the most ideal scintillators for n/γ detection. Compact CLYC detectors with SiPM array readout have wide-spreading interests recently. In this study, we evaluated the pulse shape discrimination (PSD) of a 2-inch CLYC crystal coupled with SiPM array and digitized by a dedicated PSD circuit board. Energy resolution and figure of merit (FOM) were obtained and compared in different detector configurations also with PMT and commercial waveform digitizing circuit. The results show that the SiPM array-based CLYC detector combined with the dedicated PSD circuit has a good performance of n/γ discrimination.
ISSN:0168-9002
1872-9576
DOI:10.1016/j.nima.2022.166870