Research on neutron radiography of accelerator neutron source using D-Be reaction

PEI Yuyang ZOU Yubin GUO Zhiyu TANG Guoyou XU Jianguo GUO Jimei ZHANG Guohui GUO Li’an

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Research on neutron radiography of accelerator neutron source using D-Be reaction

更新时间：2021-03-12

- Research on neutron radiography of accelerator neutron source using D-Be reaction
- NUCLEAR TECHNIQUES Issue 4, (2007)
- 作者机构：
  
  1. 北京大学重离子物理教育部重点实验室
  2. 北京大学重离子物理教育部重点实验室,北京,100871
- 作者简介：
- 基金信息：
  
  国家自然科学基金(10575006)资助
- DOI：
  CLC： TL503
- Published：01 April 2007
- 稿件说明：
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[1]裴宇阳,邹宇斌,郭之虞,唐国有,胥建国,郭纪美,张国辉,郭利安.~9Be(d,n)加速器中子源中子照相的研究[J].核技术,2007(04):265-268.

PEI Yuyang ZOU Yubin GUO Zhiyu TANG Guoyou XU Jianguo GUO Jimei ZHANG Guohui GUO Li’an. Research on neutron radiography of accelerator neutron source using D-Be reaction[J]. Nuclear techniques, 2007, (4): 265-268.
[1]裴宇阳,邹宇斌,郭之虞,唐国有,胥建国,郭纪美,张国辉,郭利安.~9Be(d,n)加速器中子源中子照相的研究[J].核技术,2007(04):265-268. DOI：

PEI Yuyang ZOU Yubin GUO Zhiyu TANG Guoyou XU Jianguo GUO Jimei ZHANG Guohui GUO Li’an. Research on neutron radiography of accelerator neutron source using D-Be reaction[J]. Nuclear techniques, 2007, (4): 265-268. DOI：

摘要

加速器中子源比反应堆中子源更具灵活性

北京大学正在发展基于RFQ加速器的小型中子照相装置。为了更好地设计和优化此装置

实现高品质的中子照相

我们在北京大学4.5 MV静电加速器上建立了中子照相实验平台

包括科学级制冷、高灵敏度、低噪声的CCD数字成像系统

模拟基于厚铍靶9Be（d

n）反应RFQ中子源的条件

并利用此系统开展中子成像技术的研究。实验在像平面热中子注量率为5×103 cm-2·s-1或快中子注量率为3.7×104 cm-2·s-1的情况下获得了一定质量的热中子及快中子照片。当利用RFQ直线加速器强中子源时将可获得更高质量的图片

从而可以满足大多数的应用需要。

Abstract

The accelerator neutron source is more flexible than the reactor neutron source. A neutron radiography facility based on a high current RFQ accelerator is under development at Peking University. For the better design of this system and realization of the small convenient accelerator neutron radiography facility in the future

the installation of neutron radiography was built on the 4.5 MV Van de Graaff at Peking University including the cooled-CCD radiography system to simulate the condition of the RFQ source. The research was carried out on this system using the D-Be reaction. The quality photos of thermal neutron and fast neutron radiography have been obtained when thermal neutron’s flux is 5×103 cm-2·s-1 or fast neutron’s flux is 3.7×104 cm-2·s-1. When using the RFQ accelerator

the better photos can be obtained.

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