Monte Carlo simulation on the bremsstrahlung of low energy electrons

QIN Pei; TANG Bin; FU Yuchuan; HE Xiaohai

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Monte Carlo simulation on the bremsstrahlung of low energy electrons

更新时间：2023-03-30

- Monte Carlo simulation on the bremsstrahlung of low energy electrons
- Journal of Radiation Research and Radiation Processing Vol. 27, Issue 6, Pages: 337-340(2009)
- 作者机构：
  
  1.中国工程物理研究院环保工程研究中心　绵阳　621900
  2.四川大学华西医院肿瘤中心放射物理技术中心　成都　610041
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QIN Pei, TANG Bin, FU Yuchuan, et al. Monte Carlo simulation on the bremsstrahlung of low energy electrons. [J]. Journal of Radiation Research and Radiation Processing 27(6):337-340(2009)
DOI：

QIN Pei, TANG Bin, FU Yuchuan, et al. Monte Carlo simulation on the bremsstrahlung of low energy electrons. [J]. Journal of Radiation Research and Radiation Processing 27(6):337-340(2009) DOI：

摘要

应用低能电子束进行辐照加工需要采用自屏蔽结构来达到辐射防护的要求。自屏蔽防护层的功能是屏蔽由轫致辐射产生的光子。本工作利用蒙特卡罗应用程序EGSnrcMP模拟了低能电子束轰击钢和聚乙烯两种靶材的轫致辐射过程，比较和分析了轫致辐射反射光子的能谱及角分布与靶材料种类、靶材料厚度之间的关系，为优化设计自屏蔽结构提供了基础数据。

Abstract

The radiation protection in radiation processing with low energy electron beam is generally achieved by applying self-shielding. The self-shielding layers should shield bremsstrahlung photons effectively. The bremsstrahlung of low energy electrons striking on steel and polyethylene has been simulated with Monte Carlo system EGSnrcMP. The relations between the energy spectra, angular distributions of bremsstrahlung photons and target materials and depths are analyzed and discussed. The basic data can be used to optimize the self-shielding design.

关键词

低能电子轫致辐射EGSnrcMP自屏蔽防护

Keywords

Low energy electronsBremsstrahlungEGSnrcMPSelf-shielding radiation protection

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National Key Laboratory of Intense Pulsed Radiation Simulation and Effect, Northwest Institute of Nuclear Technology, Xi´an

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