Developing a radon monitor for simultaneous measurement of Rn-222 and Rn-220 with less influence of humidity based on electrostatic collection and CR-39 detector

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成果类型：

期刊论文

作者：

Fan, Zhongkai;Shan, Jian;Lin, Fen;Hu, Tao;Mo, Yixiang;...

通讯作者：

Tan, YL

作者机构：

[Li, Huiying; Hu, Tao; Xie, Ruomei; Liu, Shuaibin; Tan, YL; Mo, Yixiang; Yi, Haibo; Fan, Zhongkai; Wu, Jiulin; Chen, Linquan; Tan, Yanliang; Lin, Fen; Sun, Jiale; Liu, Zhipeng; Yuan, Hongzhi; Yuan, Shuai] Hengyang Normal Univ, Coll Phys & Elect Engn, Hengyang 421008, Hunan, Peoples R China.

[Fan, Zhongkai; Shan, Jian] Univ South China, Sch Nucl Sci & Technol, Hengyang 421001, Hunan, Peoples R China.

通讯机构：

[Tan, YL ] H

Hengyang Normal Univ, Coll Phys & Elect Engn, Hengyang 421008, Hunan, Peoples R China.

语种：

英文

关键词：

Radon monitor;Rn-222;Rn-220;CR-39;Collection efficiency;The effect of humidity;Electrostatic collection method

期刊：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT

ISSN：

0168-9002

年：

2023

卷：

1052

页码：

168285

DOI：

10.1016/j.nima.2023.168285

基金类别：

Equipment Development Department of the Central Military Commission [12075112]; Natural Science Foundation of Hunan Province [50927030306]; Key Research and Development Program of Hunan Province [2019JJ40002]; Hengyang Science and Technology Plan Project [2019SK2311]; [202002042215]

机构署名：

本校为第一且通讯机构

院系归属：

物理与电子工程学院

摘要：

Based on electrostatic collection and CR-39, a novel radon monitor (Hynu EIRM-II) was designed to reduce the effect of humidity for simultaneous measurement of Rn-222 and Rn-220 with two 50 mL hemispherical internal cells connected in a serial configuration. A 10 cm tube connects two internal cells to avoid entry of Rn-220 into the second one. While the relative humidity in the internal cell of Hynu EIRM-II is 1% or above 10%, the difference of Po-216 collection efficiency estimated by an improved model is 8.36% at a cell-wall voltage of 2000 V. The simultaneous measurement experiments of Rn-2...

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Developing a radon monitor for simultaneous measurement of Rn-222 and Rn-220 with less influence of humidity based on electrostatic collection and CR-39 detector

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