Simulation of energy resolution of Compton spectrum of 0.8-6 MeV gamma rays in plastic scintillation fibers

MA Qingli1 LI Shiping2 TANG Shibiao2 XU Shimin1 DANG Shuangping1 1

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Simulation of energy resolution of Compton spectrum of 0.8-6 MeV gamma rays in plastic scintillation fibers

更新时间：2021-03-05

- Simulation of energy resolution of Compton spectrum of 0.8-6 MeV gamma rays in plastic scintillation fibers
- NUCLEAR TECHNIQUES Vol. 35, Issue 3, (2012)
- 作者机构：
  
  1. 电子工程学院电子系
  2. 中国科学技术大学近代物理系
- 作者简介：
- 基金信息：
  
  国家自然科学基金(60602065,11105143);安徽省自然科学基金(11040606M148);中国博士后科学基金资助
- DOI：
  CLC： TL816.2;TN253
- Published：01 March 2012
- 稿件说明：
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[1]马庆力,李世平,唐世彪,许士敏,党双平.塑料闪烁光纤在γ光子下的康普顿能谱能量分辨率模拟分析[J].核技术,2012,35(03):193-196.

MA Qingli1 LI Shiping2 TANG Shibiao2 XU Shimin1 DANG Shuangping1 1. Simulation of energy resolution of Compton spectrum of 0.8-6 MeV gamma rays in plastic scintillation fibers[J]. Nuclear techniques, 2012, 35(3): 193-196.
[1]马庆力,李世平,唐世彪,许士敏,党双平.塑料闪烁光纤在γ光子下的康普顿能谱能量分辨率模拟分析[J].核技术,2012,35(03):193-196. DOI：

MA Qingli1 LI Shiping2 TANG Shibiao2 XU Shimin1 DANG Shuangping1 1. Simulation of energy resolution of Compton spectrum of 0.8-6 MeV gamma rays in plastic scintillation fibers[J]. Nuclear techniques, 2012, 35(3): 193-196. DOI：

摘要

利用Geant4软件模拟了塑料闪烁光纤在中能γ光子（0.8–6 MeV）入射情况下的康普顿能谱

讨论了能量分辨率与半径的变化关系

分析了γ光子在闪烁光纤间串扰对能量分辨率的影响。结果表明

选择合适的光纤半径

能得到较好的康普顿能谱效应

半径为15–35 mm时

最佳的能量分辨率可达8.7%。

Abstract

The Compton spectrum for 0.8–6 MeV-rays in plastic scintillation fibers was studied by using Geant4.7.0.The relationship between energy resolution and fiber radius was discussed.The cross talks between fibers were also studied by using a simple model.The results show that for appropriate radius

a better Compton spectrum can be obtained.The best energy resolution can achieve 8.7% with the radius of 15–35 mm.

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