原子能科学技术2011，Vol.45Issue(4)：389-393,5.
主动法中子时间关联符合测量探测金属铀质量和丰度
Active Method of Neutron Time Correlation Coincidence Measurement to Authenticate Mass and Enrichment of Uranium Metal
张松柏 1伍钧 2朱剑钰 2解东 2田东风1
作者信息
- 1. 北京应用物理与计算数学研究所,北京100088
- 2. 中国工程物理研究院战略研究中心,北京100088
- 折叠
摘要
Abstract
The active methodology of time correlation coincidence measurement of neutron is an effective verification means to authenticate uranium metal.A collimated 252Cf neutron source was used to investigate mass and enrichment of uranium metal through the neutron transport simulation for different enrichments and different masses of uranium metal, then time correlation coincidence counts of them were obtained.By analyzing the characteristic of time correlation coincidence counts, the monotone relationships were founded between FWTH of time correlation coincidence and multiplication factor,between the total coincidence counts in FWTH for time correlation coincidence and mass of 235 U multiplied by multiplication factor, and between the ratio of neutron source penetration and mass of uranium metal.Thus the methodology to authenticate mass and enrichment of uranium metal was established with time correlation coincidence by active neutron investigation.关键词
时间关联/金属铀/质量/丰度Key words
time correlation/ uranium metal/ mass/ enrichment分类
能源科技引用本文复制引用
张松柏,伍钧,朱剑钰,解东,田东风..主动法中子时间关联符合测量探测金属铀质量和丰度[J].原子能科学技术,2011,45(4):389-393,5.
