A position-sensitive detector with lithium glass and MaPMT  

作　　者：付在伟 贾茹 衡月昆 祁鸣 黄长浩 刘术林 钱森 李绍莉 陈晓辉 刘曙东 雷祥翠 黄国瑞 

机构地区：[1]Department of Physics,Nanjing University [2]Institute of High Energy Physics,Chinese Academy of Sciences [3]State Key Laboratory of Particle Detection and Electronics [4]Physics Department of Huazhong Normal University [5]Siemens Factory Automation Engineering Co,Ltd.

出　　处：《Chinese Physics C》2012年第11期1095-1100,共6页中国物理C（英文版）

基　　金：Supported by the National Natural Science Foundation of China(10875140,10890092)

摘　　要：A position-sensitive detector is designed for neutron detection. It uses a single continuous screen of a self-made lithium glass scintillator, rather than discrete crystal implementations, coupling with a multi-anode PMT （MaPMT）. The scintillator is fast and efficient; with a decay time of 34 ns and thermal neutron detection efficiency of around 95.8% for the 3 mm thick screen, and its light yield is around 5670 photons per neutron and 3768 photons per MeV γ rays deposition. The spatial resolution is around 1.6 mm （FWHM） with the energy resolution around 34.7% by using α （5.2 MeV） rays test.A position-sensitive detector is designed for neutron detection. It uses a single continuous screen of a self-made lithium glass scintillator, rather than discrete crystal implementations, coupling with a multi-anode PMT （MaPMT）. The scintillator is fast and efficient; with a decay time of 34 ns and thermal neutron detection efficiency of around 95.8% for the 3 mm thick screen, and its light yield is around 5670 photons per neutron and 3768 photons per MeV γ rays deposition. The spatial resolution is around 1.6 mm （FWHM） with the energy resolution around 34.7% by using α （5.2 MeV） rays test.

关 键 词：lithium glass detection efficiency light yield decay time MaPMT spatial resolution 

分 类 号：O572.212[理学—粒子物理与原子核物理]