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Combined gamma-ray and energy-selective neutron radiography at CSNS

  • Xiaosong Yan
  • , Yigang Yang
  • , Qiang Li
  • , Xin Yang
  • , Jian Lu
  • , Shijian Meng
  • , Zhixin Tan
  • , Yiwei Yang*
  • , Qi An
  • , Huaiyong Bai
  • , Jie Bao
  • , Yu Bao
  • , Ping Cao
  • , Haolei Chen
  • , Qiping Chen
  • , Yonghao Chen
  • , Yukai Chen
  • , Zhen Chen
  • , Zengqi Cui
  • , Ruirui Fan
  • Changqing Feng, Keqing Gao, Minhao Gu, Changcai Han, Zijie Han, Guozhu He, Yongcheng He, Yang Hong, Hanxiong Huang, Weiling Huang, Xiru Huang, Xiaolu Ji, Xuyang Ji, Haoyu Jiang, Wei Jiang, Zhijie Jiang, Hantao Jing, Ling Kang, Mingtao Kang, Bo Li, Chao Li, Jiawen Li, Lun Li, Xiao Li, Yang Li, Rong Liu, Shubin Liu, Xingyan Liu, Guangyuan Luan, Qili Mu, Changjun Ning, Binbin Qi, Jie Ren, Zhizhou Ren, Xichao Ruan, Zhaohui Song, Yingpeng Song, Hong Sun, Kang Sun, Xiaoyang Sun, Zhijia Sun, Hongqing Tang, Jingyu Tang, Xinyi Tang, Binbin Tian, Lijiao Wang, Pengcheng Wang, Qi Wang, Taofeng Wang, Zhaohui Wang, Jie Wen, Zhongwei Wen, Qingbiao Wu, Xiaoguang Wu, Xuan Wu, Likun Xie, Han Yi, Li Yu, Tao Yu, Yongji Yu, Guohui Zhang, Linhao Zhang, Qiwei Zhang, Xianpeng Zhang, Yuliang Zhang, Zhiyong Zhang, Yubin Zhao, Luping Zhou, Zuying Zhou, Danyang Zhu, Kejun Zhu, Peng Zhu
*此作品的通讯作者
  • CAS - Institute of High Energy Physics
  • Tsinghua University
  • Spallation Neutron Source
  • University of Science and Technology of China
  • University of Science and Technology of China
  • Peking University
  • China National Nuclear Corporation
  • Northwest Institute of Nuclear Technology
  • University of Chinese Academy of Sciences

科研成果: 期刊稿件文章同行评审

摘要

Combined photon and neutron radiography can integrate merits of X/gamma-ray radiography and energy-selective neutron radiography and has the potential of simultaneously visualizing objects composed of high-Z materials, low-Z materials and particular isotopes that resonantly absorb neutrons at certain energies. Intense pulsed gamma bursts and wide energy spectrum neutrons at spallation sources provide a unique opportunity to perform such combined radiography research. We present the results of the combined radiography experiments performed at the back-streaming white neutron (back-n) beamline at China Spallation Neutron Source (CSNS). Gamma-ray and energy-selective neutron radiographic images of multi-element samples were taken by an ICCD camera coupled with scintillators using the time of flight (TOF) technique. High-Z (Pb, Au, W, Ta, et al.) components were visualized with the intense gamma-ray bursts. The low-Z (10B) component was confirmed with varied image contrast when neutrons with varied energies were selected. The specific elements (natIn, 197Au and natW) were identified with neutrons at corresponding resonant energies. The experimental results prove the potential for simultaneously visualizing and identifying high-Z materials, low-Z materials and particular nuclides via combined X-ray radiography and energy-selective neutron radiography.

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