Monte Carlo simulation of self-shielding factors for LiFTLD

WEI Xiye LEI Jiarong YUAN Yonggang CUI Gaoxian ZHAO Lin ZHAO Minzhi

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Monte Carlo simulation of self-shielding factors for LiFTLD

更新时间：2021-03-12

- Monte Carlo simulation of self-shielding factors for LiFTLD
- NUCLEAR TECHNIQUES Issue 7, (2007)
- 作者机构：
  
  1. 中国工程物理研究院核物理与化学研究所
  2. 中国工程物理研究院核物理与化学研究所,绵阳,621900
- 作者简介：
- 基金信息：
- DOI：
  CLC： TL816.2
- Published：01 July 2007
- 稿件说明：
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[1]魏熙晔,雷家荣,袁永刚,崔高显,赵林,赵敏智.蒙特卡罗方法用于LiFTLD自屏蔽因子的模拟计算[J].核技术,2007(07):580-584.

WEI Xiye LEI Jiarong YUAN Yonggang CUI Gaoxian ZHAO Lin ZHAO Minzhi. Monte Carlo simulation of self-shielding factors for LiFTLD[J]. Nuclear techniques, 2007, (7): 580-584.
[1]魏熙晔,雷家荣,袁永刚,崔高显,赵林,赵敏智.蒙特卡罗方法用于LiFTLD自屏蔽因子的模拟计算[J].核技术,2007(07):580-584. DOI：

WEI Xiye LEI Jiarong YUAN Yonggang CUI Gaoxian ZHAO Lin ZHAO Minzhi. Monte Carlo simulation of self-shielding factors for LiFTLD[J]. Nuclear techniques, 2007, (7): 580-584. DOI：

摘要

自屏蔽因子是用LiFTLD探测器高精度测量n-γ混合场的重要参数。本文采用MCNP程序对文献中给定尺寸、密度和6Li含量的LiFTLD的自屏蔽因子进行了计算

并与推导的自屏蔽公式、Horowitz等的计算结果进行了比较。同时

对计算结果还专门设计了实验进行验证

证实MCNP计算自屏蔽因子所采用的模型和方法是可靠的。对于文献中没有给出自屏蔽因子的现有的LiFTLD

通过选取合理的模型

用MCNP计算了它们的自屏蔽因子。该研究结果对于n-γ混合场区分测量以及TLD的LET效应的研究都具有重要意义。

Abstract

Self-shielding factors of LiFTLD are important parameters when the TLDs are used for dosimetry meas-urements of n-γ mixed field.MCNP simulations of the self-shielding factors were carried out for LiFTLDs of different sizes

densities and 6Li contents.And the calculated results were compared with those based on a theoretic formula and Horowitz’s method.Meanwhile

an experiment was designed to verify their dosimetry accuracy.The model and method adopted in MCNP were proved to be reliable.LiFTLDs available at CAEP

of different sizes

shapes and materials

and self-shielding factors of which were not available in the literatures

were simulated based on a reasonable model using MCNP in this paper.The results are of significance for measurements of n-γ mixed field and for studies on the LET effects of TLD.

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