Monte Carlo simulation for designing an explosive-inspection system

WANG Xinhua AN Li ZHENG Pu GUO Haiping HE Tie

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Monte Carlo simulation for designing an explosive-inspection system

更新时间：2021-03-05

- Monte Carlo simulation for designing an explosive-inspection system
- NUCLEAR TECHNIQUES Vol. 33, Issue 1, (2010)
- 作者机构：
  
  中国工程物理研究院核物理与化学研究所
- 作者简介：
- 基金信息：
- DOI：
  CLC： TL816
- Published：01 January 2010
- 稿件说明：
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[1]王新华,安力,郑普,郭海萍,何铁.爆炸物检测中的模拟计算[J].核技术,2010,33(01):39-43.

WANG Xinhua AN Li ZHENG Pu GUO Haiping HE Tie. Monte Carlo simulation for designing an explosive-inspection system[J]. Nuclear techniques, 2010, 33(1): 39-43.
[1]王新华,安力,郑普,郭海萍,何铁.爆炸物检测中的模拟计算[J].核技术,2010,33(01):39-43. DOI：

WANG Xinhua AN Li ZHENG Pu GUO Haiping HE Tie. Monte Carlo simulation for designing an explosive-inspection system[J]. Nuclear techniques, 2010, 33(1): 39-43. DOI：

摘要

为优化基于伴随α粒子技术的爆炸物检测系统中的γ探测器和数据分析软件

利用蒙特卡罗程序EGSnrc对γ探测器的探测效率和能量响应分别进行了模拟。NaI（Tl）、BGO等几种无机闪烁体γ探测器探测效率的模拟计算结果为探测器的优化选择提供依据;对碳、氧单质元素、硝酸氨、模拟炸药样品在14MeV中子作用下的特征γ射线

在Φ5″×8″NaI（Tl）探测器的能量响应模拟计算结果进行了分析

并与实验测量能量响应进行了比较。结果表明

模拟方法可靠

应用该方法可对其他的单质材料来进行响应计算以建立响应函数数据库。

Abstract

In order to optimize the design of γ-ray detectors and data analysis of the system for inspection of explosive with associated alpha particle technique

Monte Carlo code EGSnrc was used to simulated detection efficiency and response function of inorganic scintillator detector for γ-rays

aimed at choosing the right type detector.Pulse height spectra of γ-rays of Φ5″×8″ NaI(Tl) from graphite

water

ammonium nitrate and simulated explosive induced by 14 MeV neutron were simulated.The calculated results were analyzed and compared with experiments results

demonstrating that simulation method is reliable and it can be used to obtain the database of response function for explosive inspection.

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