# Nuclear Science and Techniques

《核技术》(英文版) ISSN 1001-8042 CN 31-1559/TL     2019 Impact factor 1.556

Nuclear Science and Techniques ›› 2013, Vol. 24 ›› Issue (4): 040205

• LOW ENERGY ACCELERATOR, RAY AND APPLICATIONS •

### Efficiency-determined method for thermal neutron detection with inorganic scintillator

FU Zaiwei1,*  HENG Yuekun2,* GU Shenjie1  TIAN Lin1

2Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
• Received:2012-10-25
• Contact: FU Zaiwei, HENG Yuekun E-mail: fuzaiwei@snerdi.com.cn, hengyk@ihep.ac.cn
• Supported by:

Supported by the National Natural Science Foundation of China (Grant No.10875140)

FU Zaiwei, HENG Yuekun, GU Shenjie, TIAN Lin. Efficiency-determined method for thermal neutron detection with inorganic scintillator.Nuclear Science and Techniques, 2013, 24(4): 040205
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Abstract:

Because of 3He shortage, sintillator is a promising alternative choice for neutron detection in the field of thermal neutron scattering and imaging. Also, the neutron detection efficiency is difficult to be determined. In this paper, the efficiency for thermal neutron detection is presented by inorganic scintillator using probability principles, supposed that the material of scintillator is uniform in element distribution, and that attenuation length of scintillation light is longer than that of its thickness in the scintillator. The efficiencies for two pieces of lithium glass are determined by this method, indicating the method is useful for determining efficiency of thermal neutron detections.