利用辐射俘获伽马射线演示激光产生中子的诊断
仪器与探测器
2018-03-14 v1 核实验
摘要
我们报告了一种飞行时间 (TOF) 技术的新方案，在高强度激光产生的恶劣环境中，于毫秒时间窗口内同时记录了快中子和延迟伽马射线信号。延迟伽马信号到达时间远晚于初始快中子，且以往常被忽略，现被证实为热化中子辐射俘获的结果。伽马光子数与快中子产额之间的线性相关性表明，这些延迟伽马事件可用于中子诊断。该方法能够缓解由瞬发高通量伽马辐射导致的探测效率下降问题，并为高强度激光-靶相互作用实验中的中子诊断提供了一种新途径。
引用
@article{arxiv.1709.06561,
title = {Demonstration of Laser-produced Neutron Diagnostic by Radiative Capture Gamma-rays},
author = {Xiaopeng Zhang and Wenqing Wei and Changbo Fu and Xiaohui Yuan and Songhai An and Yanqing Deng and Yuan Fang and Jian Gao and Xulei Ge and Bing Guo and Chuangye He and Peng Hu and Neng Hua and Weiman Jiang and Liang Li and Mengting Li and Yifei Li and Yutong Li and Guoqiang Liao and Feng Liu and Longxiang Liu and Hongwei Wang and Pengqian Yang and Su Yang and Tao Yang and Guoqiang Zhang and Yue Zhang and Baoqiang Zhu and Xiaofeng Xi and Jianqiang Zhu and Zhengming Sheng and Jie Zhang},
journal= {arXiv preprint arXiv:1709.06561},
year = {2018}
}