同位素Issue(3)：152-156,5.DOI:10.7538/tws.2014.27.03.0152
γ射线参考辐射周围剂量当量标准电离室的蒙特卡罗模拟
Monte Carlo Simulation of a Ambient Dose Equivalent Standard Ionization Chamber for Gamma Reference Radiation
宋明哲 1魏可新 1高飞 1侯金兵 1王红玉 1倪宁1
作者信息
- 1. 中国原子能科学研究院，北京 102413
- 折叠
摘要
Abstract
Gamma reference radiation produced by isotope sources 137 Cs and 60 Co is very nec-essary for calibration of radiation dosimeter .For the calibration of area monitoring dosime-ter ,reference radiation must provide the conventionally true value of the ambient dose e-quivalent H* (10) .According to the recommendation given in the international standard ISO 4037-4 ,the conventionally true value of H* (10)could be obtained by two methods , one is spectrum method ,the other is H* (10) standard ionization chamber methed .In order to establish a standard chamber w hich could meet the requirements of ISO 4037-4 ,a design for H* (10) standard chamber was established by MCNP4C Monte Carlo simulation pro-gram .The results showed that the energy response of the ionization chamber satisfied the requirement of international standard ISO 4037-4 from 15 keV to 1 500 keV ,the conclusion of this study was good to the establishment of H* (10) secondary standard ionization cham-ber .关键词
γ射线/周围剂量当量H*(10)/标准电离室/MCNP4CKey words
γray/ambient dose equivalent H* (10)/standard ionization chamber/MCNP4C分类
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宋明哲,魏可新,高飞,侯金兵,王红玉,倪宁..γ射线参考辐射周围剂量当量标准电离室的蒙特卡罗模拟[J].同位素,2014,(3):152-156,5.
