Active method of delayed neutrons to determine uranium enrichment

ZHANG Songbai1; 2 WU Jun2 1

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Active method of delayed neutrons to determine uranium enrichment

更新时间：2021-03-12

- Active method of delayed neutrons to determine uranium enrichment
- NUCLEAR TECHNIQUES Vol. 32, Issue 12, (2009)
- 作者机构：
  
  1. 北京计算物理与应用数学研究所
  2. 中国工程物理研究院战略研究中心
- 作者简介：
- 基金信息：
- DOI：
  CLC： TL81
- Published：01 December 2009
- 稿件说明：
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[1]张松柏,伍钧.主动法缓发中子探测金属铀的~(235)U丰度[J].核技术,2009,32(12):922-926.

ZHANG Songbai1, 2 WU Jun2 1. Active method of delayed neutrons to determine uranium enrichment[J]. Nuclear techniques, 2009, 32(12): 922-926.
[1]张松柏,伍钧.主动法缓发中子探测金属铀的~(235)U丰度[J].核技术,2009,32(12):922-926. DOI：

ZHANG Songbai1, 2 WU Jun2 1. Active method of delayed neutrons to determine uranium enrichment[J]. Nuclear techniques, 2009, 32(12): 922-926. DOI：

摘要

主动法缓发中子监测U材料被认为是核查技术的有效手段之一。本文建立了特定的模型

以数值模拟D-T中子诱发相同质量、不同235U丰度的金属铀裂变产生的出壳缓发中子及BF3探测器所能产生的响应

验证了特定情形下主动法D-T中子源诱发金属铀裂变

测量其缓发中子反演235U丰度的可行性。

Abstract

The active method of delayed neutron is an effectively verification means for monitoring the uranium material.A model was established to simulate the D-T neutron source inducing uranium shell of the same mass but in different 235U enrichments

and the response of BF3 detector for the delayed neutrons from the uranium shell.The method to determine the enrichment of uranium was validated on the condition that a special uranium shell model with the inducing of D-T neutrons.

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Related Institution

China Institute of Atomic Energy

Centre for Strategic Studies,China Academy of Engineering Physics

Institute of Applied Physics and Computational Mathematics, Beijing 100088) 2

中国工程物理研究院

Institute of Atomic Energy of China

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