双端输出塑料闪烁体探测器的符合关联测试

皮本松; 魏志勇; 王振; 谭晓明; 朱庆伟; 余俊豪

doi:10.11889/j.0253-3219.2017.hjs.40.010403

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双端输出塑料闪烁体探测器的符合关联测试

核电子学与仪器 | 更新时间：2021-05-19

- 双端输出塑料闪烁体探测器的符合关联测试
- The coincidence test of the double-end output plastic scintillation detector
- 核技术 2017年40卷第1期文章编号：010403
- 作者机构：
  
  1.南京航空航天大学南京 210016
  2.兰州理工大学兰州 730000
- 作者简介：
  
  [ "皮本松, 男, 1991年出生, 2014年毕业于长江大学, 现为硕士研究生, 研究领域为核辐射探测", "PI Bensong, male, born in 1991, graduated from Yangtze University in 2014, master student, focusing on nuclear radiation detection" ]
  魏志勇, E-mail:wzy_msc@nuaa.edu.cn WEI Zhiyong. E-mail:wzy_msc@nuaa.edu.cn
- 基金信息：
  
  基于GEM的快中子位置灵敏探测器及其数据获取相关技术的研究资助(No.11575073)
- DOI：10.11889/j.0253-3219.2017.hjs.40.010403
  中图分类号： TL812+.1
- 收稿日期：2016-09-05，
  
  修回日期：2016-12-12，
  
  纸质出版日期：2017-01
- 稿件说明：
移动端阅览
皮本松, 魏志勇, 王振, 等. 双端输出塑料闪烁体探测器的符合关联测试[J]. 核技术, 2017,40(1):010403

Bensong PI, Zhiyong WEI, Zhen WANG, et al. The coincidence test of the double-end output plastic scintillation detector[J]. Nuclear techniques, 2017, 40(1): 010403
皮本松, 魏志勇, 王振, 等. 双端输出塑料闪烁体探测器的符合关联测试[J]. 核技术, 2017,40(1):010403 DOI： 10.11889/j.0253-3219.2017.hjs.40.010403.

Bensong PI, Zhiyong WEI, Zhen WANG, et al. The coincidence test of the double-end output plastic scintillation detector[J]. Nuclear techniques, 2017, 40(1): 010403 DOI： 10.11889/j.0253-3219.2017.hjs.40.010403.

摘要

利用双端信号输出的塑料闪烁体与灵敏度高、时间响应快的硅光电倍增管构成塑料闪烁体探测器探头，并与后端的数字化转换器等电子学系统搭建成塑料闪烁体探测器系统。为了研究不同数据处理方法对真事件探测效率和能量分辨率的优化，分别使用标准γ源

Co和

137

Cs对塑料闪烁体探测器系统进行测试。研究了关联事件的符合时间窗对探测器真事件探测效率的影响，分析了波形的积分长度与脉冲信号甄别（Pulse Shape Discrimination，PSD）开窗法对能谱能量分辨率的改进。结果表明，在关联事件的符合时间窗为15 ns时，真事件探测效率最佳，当波形积分长度为80 ns时，通过PSD开窗后能量分辨率由原来的53.38%优化为42.21%。

Abstract

Background:

The detector probe is composed of double-end output plastic scintillation detector and silicon photomultiplier (SiPM)

and it's part of the detector system with back end electronics system such as digitizer.

Purpose:

To study the optimization of the detection efficiency of real events and energy resolution with different data processing methods

the standard γ source

Co and

137

Cs are used to test the plastic scintillation detector system.

Methods:

The effect of the coincidence time of the associated event on detection efficiency is discussed

and the improvement of energy resolution from the integral length and the pulse shape discriminatio

(PSD) window is analyzed.

Results:

and

Conclusion:

The results show that the real event detection efficiency is the best when the coincidence time of the related event is 15 ns

and the energy resolution is optimized from 53.38% to 42.21% under the PSD window when the integral length is 80 ns.

关键词

Keywords

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