Time Resolution of a Cs2LiYCl6:Ce3+ Detector Measured with a DRS4 Waveform Digitizer

被引:2
|
作者
Wen, Xianfei [1 ]
Enqvist, Andreas [1 ]
机构
[1] Univ Florida, Nucl Engn Program, Gainesville, FL 32611 USA
关键词
Cs2LiYCl6:Ce3+; EJ-309; time resolution; DRS4 waveform digitizer; DECAY TIME; CLYC; DIFFERENTIATION; NEUTRONS;
D O I
10.1080/00295450.2019.1603503
中图分类号
TL [原子能技术]; O571 [原子核物理学];
学科分类号
0827 ; 082701 ;
摘要
The Cs2LiYCl6:Ce3+ (CLYC) scintillator is being widely employed in nuclear physics, planetary science, radiation environmental monitoring, nuclear security, and nonproliferation communities. The time resolution of a 1 x 1-in. CLYC scintillation detector is reported in this paper. It was measured by the use of a high sampling rate DRS4 waveform digitizer and an EJ-309 liquid scintillation detector. The digitizer was first characterized with regard to its intrinsic time resolution and then the time resolution of the EJ-309 detector was investigated. It served as a reference detector in the time resolution measurements for the CLYC detector. The time pick-off techniques used were the constant fraction discrimination and leading edge discrimination methods. In addition, the Savitzky-Golay filter was used to further improve the measured time resolutions. This filter was shown to be an effective approach to improving time resolution when the signal-to-noise ratio is low.
引用
收藏
页码:1480 / 1487
页数:8
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