Study on relative gamma sensitivity of scintillator-fiber detector

ZHANG Mei PENG Bodong SHENG Liang DU Hongliang WEI Fuli WANG Peiwei LI Yang YUAN Yuan ZHAO Jizhen LI Chunhua

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Study on relative gamma sensitivity of scintillator-fiber detector

更新时间：2021-03-12

- Study on relative gamma sensitivity of scintillator-fiber detector
- NUCLEAR TECHNIQUES Vol. 32, Issue 11, (2009)
- 作者机构：
  
  西北核技术研究所
- 作者简介：
- 基金信息：
- DOI：
  CLC： O411.3
- Published：01 November 2009
- 稿件说明：
移动端阅览
[1]张美,彭博栋,盛亮,杜宏亮,魏福利,王培伟,李阳,袁媛,赵吉祯,黎春华.闪烁体-光纤组合式辐射探测器γ相对灵敏度研究[J].核技术,2009,32(11):867-871.

ZHANG Mei PENG Bodong SHENG Liang DU Hongliang WEI Fuli WANG Peiwei LI Yang YUAN Yuan ZHAO Jizhen LI Chunhua. Study on relative gamma sensitivity of scintillator-fiber detector[J]. Nuclear techniques, 2009, 32(11): 867-871.
[1]张美,彭博栋,盛亮,杜宏亮,魏福利,王培伟,李阳,袁媛,赵吉祯,黎春华.闪烁体-光纤组合式辐射探测器γ相对灵敏度研究[J].核技术,2009,32(11):867-871. DOI：

ZHANG Mei PENG Bodong SHENG Liang DU Hongliang WEI Fuli WANG Peiwei LI Yang YUAN Yuan ZHAO Jizhen LI Chunhua. Study on relative gamma sensitivity of scintillator-fiber detector[J]. Nuclear techniques, 2009, 32(11): 867-871. DOI：

摘要

根据光纤光导的耦合理论

推导了闪烁体-光纤组合式探测器γ灵敏度理论公式

计算了LSO、ST401两种闪烁体-光纤探测器的相对灵敏度

在平均能量为1.25MeV的60Co射线源上测得10mm厚LSO闪烁体-光纤组合式探测器的灵敏度是相同厚度ST401的19倍

理论计算和实验结果在不确定度范围内一致。

Abstract

This work is aimed at developing the technique of multi-channel scintillator-fiber detector.In this paper

theoretical gamma sensitivity of a fiber detector was formulated for calculating the relative sensitivity of LSO and ST401 scintillator-fiber detectors.Outcomes of the calculation were validated by experiment with a 60 Co source.The results show that sensitivity of an LSO scintillator-fiber detector of 10-mm thicknesd is about 19 times higher than the system using ST401 with the same size of LSO detector.The theoretical results agree with the experimental data.

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