Characterizations of BC501A and BC537 liquid scintillator detectors

被引：16
|
作者：
Qin, Jianguo [1 ,2 ,3 ]
Lai, Caifeng [2 ]
Ye, Bangjiao [1 ]
Liu, Rong [2 ]
Zhang, Xinwei [4 ]
Jiang, Li [2 ]
机构：
[1] Univ Sci & Technol China, Dept Modern Phys, Hefei 230026, Peoples R China
[2] China Acad Engn Phys, Inst Nucl Phys & Chem, Mianyang 621900, Peoples R China
[3] China Acad Engn Phys, Grad Sch, Mianyang 621900, Peoples R China
[4] Inst Appl Phys & Computat Math, Beijing 100088, Peoples R China
来源：
APPLIED RADIATION AND ISOTOPES | 2015年 / 104卷
基金：
中国国家自然科学基金;
关键词：
Liquid scintillator detector; Light output function; Energy resolution function; gamma-Ray response matrix; Detection efficiency; NEUTRON; DISCRIMINATION; CALIBRATION; SPECTRA;
D O I：
10.1016/j.apradiso.2015.06.008
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Two 2 '' x 2 '' liquid scintillator detectors BC537 and BC501A have been characterized for their responses and efficiencies to gamma-ray detection. Light output resolution and response functions were derived by least-squares minimization of a simulated response function, fitted to experimental data. The gamma-ray response matrix and detection efficiency were simulated with Monte Carlo (MC) methods and validated. For photon energies below 2.4 MeVee, the resolution, as well as the efficiency, of BC501A is better than BC537 scintillator. The situation is reversed when the energy is higher than 2.4 MeVee. BC537 has higher gamma-ray detection efficiency than BC501A if the impinging photon energy is more than 2 MeV due to different ratios of C to H/D atoms. (C) 2015 Elsevier Ltd. All rights reserved.
引用
收藏
页码：15 / 24
页数：10
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