Monte Carlo simulation of absorbed dose in quartz from beta rays

CHEN Shaowen1 HUANG Long1 ZHU Dehai1 TANG Qiang2 LIU Xiaowei2 1

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Monte Carlo simulation of absorbed dose in quartz from beta rays

更新时间：2021-03-05

- Monte Carlo simulation of absorbed dose in quartz from beta rays
- NUCLEAR TECHNIQUES Vol. 35, Issue 3, (2012)
- 作者机构：
  
  1. 东莞理工学院
  2. 中山大学物理科学与技术学院
- 作者简介：
- 基金信息：
  
  东莞市高等院校科研机构科技计划项目(No.200910814045)资助
- DOI：
  CLC： O571.33
- Published：01 March 2012
- 稿件说明：
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[1]陈少文,黄龙,朱德海,唐强,刘小伟.石英β剂量的蒙特卡罗模拟[J].核技术,2012,35(03):185-188.

CHEN Shaowen1 HUANG Long1 ZHU Dehai1 TANG Qiang2 LIU Xiaowei2 1. Monte Carlo simulation of absorbed dose in quartz from beta rays[J]. Nuclear techniques, 2012, 35(3): 185-188.
[1]陈少文,黄龙,朱德海,唐强,刘小伟.石英β剂量的蒙特卡罗模拟[J].核技术,2012,35(03):185-188. DOI：

CHEN Shaowen1 HUANG Long1 ZHU Dehai1 TANG Qiang2 LIU Xiaowei2 1. Monte Carlo simulation of absorbed dose in quartz from beta rays[J]. Nuclear techniques, 2012, 35(3): 185-188. DOI：

摘要

用蒙特卡罗方法对TL或OSL测定年代中用β源进行照射时石英样品的吸收剂量进行模拟

研究石英薄片样品厚度和石英单颗粒大小对吸收剂量的影响。模拟程序用EGSnrc/DOSRZnrc

圆柱形薄片样品直径0.97cm

厚度10–500μm

单颗粒大小60–300μm。结果表明

吸收剂量与薄片样品的厚度有关

相对剂量的最大差异达10%;石英单颗粒中相对剂量随颗粒变小而增大

最大差异达19%。这些因素在测定年代过程中需加以考虑。

Abstract

The absorbed dose in quartz samples irradiated by β rays in TL or OSL dating protocol was simulated using the EGSnrc /DOSRZnrc code.Effects of thickness and grain size of the quartz samples on the absorbed dose were evaluated with the samples of Φ0.97 cm×(10–500) μm

in grain size of 60–300 μm.The results show that the absorbed dose in quartz is relative to the sample thickness

and the maximum difference of the relative dose can be up to 10%.The absorbed dose is relative to the grain size

too.The relative dose increases with decreasing grain size

and the maximum difference can be up to 19%.These factors should be considered in the dating.

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