Time-resolved gamma spectroscopy of single events

被引:8
作者
Wolszczak, W. [1 ]
Dorenbos, P. [1 ]
机构
[1] Delft Univ Technol, Fac Appl Sci, Dept Radiat Sci & Technol FAME LMR, Mekelweg 15, NL-2629 JB Delft, Netherlands
关键词
Time-resolved gamma spectroscopy; Pulse shape analysis; Data acquisition; Digital signal processing; Gamma spectroscopy; CsI(Tl); PULSE-SHAPE DISCRIMINATION; SCINTILLATION DECAY TIME; ENERGY; PROPORTIONALITY; PERFORMANCES; DEPENDENCE; SEARCH; RAYS;
D O I
10.1016/j.nima.2017.12.080
中图分类号
TH7 [仪器、仪表];
学科分类号
0804 ; 080401 ; 081102 ;
摘要
In this article we present a method of characterizing scintillating materials by digitization of each individual scintillation pulse followed by digital signal processing. With this technique it is possible to measure the pulse shape and the energy of an absorbed gamma photon on an event-by-event basis. In contrast to timecorrelated single photon counting technique, the digital approach provides a faster measurement, an active noise suppression, and enables characterization of scintillation pulses simultaneously in two domains: time and energy. We applied this method to study the pulse shape change of a CsI(Tl) scintillator with energy of gamma excitation. We confirmed previously published results and revealed new details of the phenomenon. (c) 2018 Elsevier B.V. All rights reserved.
引用
收藏
页码:30 / 35
页数:6
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