Study on estimation method of <sup>131</sup>I detecting efficiency in iodine cartridge based on <sup>133</sup>Ba source

Xianfang MENG; Yin YIN; Long ZHANG; Ke CAO; Huiling MA; Shijun WANG; Peizhong QIN

doi:10.11889/j.0253-3219.2018.hjs.41.070401

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Study on estimation method of ¹³¹I detecting efficiency in iodine cartridge based on ¹³³Ba source

NUCLEAR ELECTRONICS AND INSTRUMENTATION | 更新时间：2021-05-19

- Study on estimation method of ¹³¹I detecting efficiency in iodine cartridge based on ¹³³Ba source
- NUCLEAR TECHNIQUES Vol. 41, Issue 7, Article number: 070401(2018)
- 作者机构：
  
  北京市射线应用研究中心辐射新材料北京市重点实验室北京 100015
- 作者简介：
- 基金信息：
  
  National Major Scientific Instruments and Equipment Development Special
- DOI：10.11889/j.0253-3219.2018.hjs.41.070401
  CLC： TL816.3
- Received：23 March 2018，
  
  Revised：19 April 2018，
  
  Published：10 July 2018
- 稿件说明：
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Xianfang MENG, Yin YIN, Long ZHANG, et al. Study on estimation method of ¹³¹I detecting efficiency in iodine cartridge based on ¹³³Ba source[J]. Nuclear techniques, 2018, 41(7): 070401
DOI：

Xianfang MENG, Yin YIN, Long ZHANG, et al. Study on estimation method of ¹³¹I detecting efficiency in iodine cartridge based on ¹³³Ba source[J]. Nuclear techniques, 2018, 41(7): 070401 DOI： 10.11889/j.0253-3219.2018.hjs.41.070401.

摘要

基于

133

Ba与

131

I具有能量特性相近的γ射线、半衰期较长的特点，探索一种

133

Ba代替

131

I通过实验估算碘盒中

131

I探测效率的简易方法。依据某碘检测仪取样和探测装置进行了实验和探测效率估算，同时在近似实验条件下利用超级蒙特卡罗核模拟软件系统（Super Monte Carlo Program for Nuclear and Radiation Simulation，SuperMC）程序进行了模拟计算，计算的探测效率对于蒙特卡罗（Monte Carlo，MC）模拟结果与实验估算结果在6.0%以内相符，说明这种简易实验方法可以用来估算碘盒中

131

I探测效率。

Abstract

Background

Environment gaseous radioactive iodine monitoring is important for nuclear power plant safety.

131

I detection efficiency is an important parameter for environment gaseous radioactive

131

I monitoring equipment.

Purpose

The aim is to explore an easy and simple approach which can estimate

131

I detecting efficiency in iodine sampling cartridge based on

133

Ba source.

133

Ba has γ rays of similar energy characteristics as

131

I and has long half-life.

Methods

According to some iodine detector sampling and detecting device

some work have been carried out including experiments and detection efficiency estimation and simulated calculation with SuperMC program under conditions similar to experiment.

Results

Detection efficiency experimental estimation results consistent with Monte Carlo (MC) simulation results within 6.0%.

Conclusion

The study suggests that the simple experimental method can be used to estimate the iodine sampling cartridge

131

I detection efficiency.

关键词

Keywords

references

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Study on estimation method of 131I detecting efficiency in iodine cartridge based on 133Ba source

DOI：10.11889/j.0253-3219.2018.hjs.41.070401

摘要

Abstract

关键词

Keywords

references

Study on estimation method of ¹³¹I detecting efficiency in iodine cartridge based on ¹³³Ba source