Investigation of detection efficiency of BGO rectangular detector units

QI Huirong1; 2 XIAO Guoqing1 WANG Jinchuan1 GUO Zhongyan1 ZHAN Wenlong1           XU Hushan1 SUN Zhiyu1 LI Wenfei1 LI Chen1 CHEN Zhiqiang3 LI Wenjian1                          1

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Investigation of detection efficiency of BGO rectangular detector units

更新时间：2021-03-12

- Investigation of detection efficiency of BGO rectangular detector units
- NUCLEAR TECHNIQUES Issue 6, (2004)
- 作者机构：
  
  1. 中国科学院兰州近代物理研究所,中国科学院兰州近代物理研究所,中国科学院兰州近代物理研究所,中国科学院兰州近代物理研究所,中国科学院兰州近代物理研究所,中国科学院兰州近代物理研究所,中国科学院兰州近代物理研究所,中国科学院兰州近代物理研究所,中国科学院兰州近代物理研究所,北京大学物理学院,中国科学院兰州近代物理研究所,兰州,730000
  2. 中国科学院研究生院北京100039,兰州730000,兰州730000,兰州730000,兰州730000,兰州730000,兰州730000,兰州730000,兰州730000,北京100871,兰州,730000
- 作者简介：
- 基金信息：
  
  中国科学院西部之光基金和科技部重大基础研究重离子治疗前期研究专项基金(2003CCB00200)资助
- DOI：
  CLC： TL81
- Published：01 June 2004
- 稿件说明：
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[1]祁辉荣,肖国青,王金川,郭忠言,詹文龙,徐瑚珊,孙志宇,李文飞,李琛,陈志强,李文建.BGO矩形探测元探测效率的研究[J].核技术,2004(06):425-429.

QI Huirong1, 2 XIAO Guoqing1 WANG Jinchuan1 GUO Zhongyan1 ZHAN Wenlong1 XU Hushan1 SUN Zhiyu1 LI Wenfei1 LI Chen1 CHEN Zhiqiang3 LI Wenjian1 1. Investigation of detection efficiency of BGO rectangular detector units[J]. Nuclear techniques, 2004, (6): 425-429.
[1]祁辉荣,肖国青,王金川,郭忠言,詹文龙,徐瑚珊,孙志宇,李文飞,李琛,陈志强,李文建.BGO矩形探测元探测效率的研究[J].核技术,2004(06):425-429. DOI：

QI Huirong1, 2 XIAO Guoqing1 WANG Jinchuan1 GUO Zhongyan1 ZHAN Wenlong1 XU Hushan1 SUN Zhiyu1 LI Wenfei1 LI Chen1 CHEN Zhiqiang3 LI Wenjian1 1. Investigation of detection efficiency of BGO rectangular detector units[J]. Nuclear techniques, 2004, (6): 425-429. DOI：

摘要

理论计算了三种不同规格BGO晶体对于137Cs0.662MeVγ射线的探测效率;并用GEANT4进行了MonteCarlo模拟;计算值与实验中光电倍增管测得的值进行了比较;给出了不同规格晶体对γ射线探测效率的区别;三者趋势基本一致。最后用Ba、22Na、137Cs和Co源测量了BGO探测元的能量线性;三种晶体对Cs133601370.662MeVγ射线的能量分辨分别为18.12%、18.08%和18.12%。

Abstract

The detection efficiencies of 3 types of BGO rectangular detector units for 137Cs 0.662 MeV γ-rays are studied by theoretical calculations. The calculations are compared with GEANT4 Monte Carlo simulations and the experimental results. They are in agreement with each other very well. The differences in detection efficiencies of BGO crystals with different specifications are presented. The energy linearities for different BGO detector units are measured with 133Ba

22Na

137Cs and 60Co γ sources. For 137Cs 0.662 MeV γ-rays

the energy resolutions of BGO crystals of 20 mm×20 mm×10mm

20 mm×20 mm×20mm and 20 mm×20 mm×30mm are 18.12%

18.08% and 18.12%

respectively.

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