The Monte-Carlo simulation on a scintillator neutron detector

被引：4
|
作者：
Wu Chong [1 ]
Tang Bin [2 ]
Sun ZhiJia [2 ]
Zhang Qiang [1 ]
Yang Zhen [2 ]
Luo Wei [1 ]
Wang Tuo [1 ]
机构：
[1] China Univ Petr, Coll Sci, Beijing 102249, Peoples R China
[2] Chinese Acad Sci, Inst High Energy Phys, Beijing 100190, Peoples R China
来源：
SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY | 2013年 / 56卷 / 10期
基金：
中国国家自然科学基金;
关键词：
GEANT4; neutron detector; (LiF)-Li-6/ZnS(Ag) scintillator; wavelength-shifting fiber;
D O I：
10.1007/s11433-013-5182-6
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
A simulation of the properties of the shifting scintillator neutron detector using (LiF)-Li-6/ZnS(Ag) scintillation screens is performed. The simulation results show that the light attenuation length of standard BC704 scintillator is about 0.65 mm. Its thermal neutron detection efficiency, gamma sensitivity and intrinsic spatial resolution can achieve around 50.0%, 10(-5) and 0.18 mm (along X-axis) respectively. For the detector, air coupling position resolution is better than the silicone oil coupling. Some of the simulation results are compared with experimental results. They are in agreement. This work will be helpful for constructing neutron detector for high intensity powder diffractometer at Chinese spallation neutron source.
引用
收藏
页码：1892 / 1896
页数：5
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