Relative quantifying technique to measure mass of fission plate in a fission chamber

ZHU Tonghua LIU Rong JIANG Li WEN Zhongwei LU Xinxin WANG Mei LIN Jufang WANG Dalun

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Relative quantifying technique to measure mass of fission plate in a fission chamber

更新时间：2021-03-12

- Relative quantifying technique to measure mass of fission plate in a fission chamber
- NUCLEAR TECHNIQUES Vol. 32, Issue 6, (2009)
- 作者机构：
  
  中国工程物理研究院核物理与化学研究所
- 作者简介：
- 基金信息：
- DOI：
  CLC： O571.5
- Published：01 June 2009
- 稿件说明：
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[1]朱通华,刘荣,蒋励,温中伟,鹿心鑫,王玫,林菊芳,王大伦.裂变室镀层质量厚度的相对测量技术[J].核技术,2009,32(06):459-463.

ZHU Tonghua LIU Rong JIANG Li WEN Zhongwei LU Xinxin WANG Mei LIN Jufang WANG Dalun. Relative quantifying technique to measure mass of fission plate in a fission chamber[J]. Nuclear techniques, 2009, 32(6): 459-463.
[1]朱通华,刘荣,蒋励,温中伟,鹿心鑫,王玫,林菊芳,王大伦.裂变室镀层质量厚度的相对测量技术[J].核技术,2009,32(06):459-463. DOI：

ZHU Tonghua LIU Rong JIANG Li WEN Zhongwei LU Xinxin WANG Mei LIN Jufang WANG Dalun. Relative quantifying technique to measure mass of fission plate in a fission chamber[J]. Nuclear techniques, 2009, 32(6): 459-463. DOI：

摘要

基于在相同的中子辐照条件下

裂变数与裂变核素的数量成正比的原理

利用加速器14 MeV中子源研究了裂变室镀层重量的相对定量方法

介绍了实验布置及所获得的定量结果。将部分定量结果与其α定量结果进行比较

差异小于1%

证明该方法用于裂变室镀层重量的测定可行

定量结果的不确定度约为2%

%。

Abstract

Under the same neutron radiation conditions

fission counts are proportional to the number of fission nuclei.Based on this concept

a relative quantifying method has been developed to measure the mass of fission plate in fission chamber on a 14 MeV accelerator neutron source at the Neutron Physics Laboratory

INPC

CAEP.The experimental assembly was introduced and mass of the fission material in several fission chambers was measured.The results by this method agree well(within 1%) with the α-quantifying method Therefore

it is absolutely feasible to quantify the fission plate mass in fission chambers.The measurement uncertainty is 2%~4%.

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