| CR39探测器的带电粒子能量响应研究 |
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| 引用本文： | 张兴,苏明,郑建华,杨正华,杨品,陈黎,陈铭,江少恩,刘慎业.CR39探测器的带电粒子能量响应研究[J].原子能科学技术,2015,49(1):140-146. |
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| 作者姓名： | 张兴 苏明 郑建华 杨正华 杨品 陈黎 陈铭 江少恩 刘慎业 |
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| 作者单位： | 1.中国工程物理研究院 激光聚变研究中心，四川 绵阳621900；2.北京大学 核物理与核技术国家重点实验室，北京100871 |
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| 基金项目： | 北京大学核物理与核技术国家重点实验室开放课题资助项目 |
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| 摘 要： | 为在神光系列激光装置上开展惯性约束聚变(ICF)带电粒子诊断,通过0.7~10 MeV加速器质子源和241 Am放射性同位素α粒子源完成了CR39探测器的质子和α粒子能量响应实验研究,结合TRIM程序和半经验模型建立了CR39刻蚀动力学模拟程序,模拟分析了p、D、T和α粒子在正入射和斜入射条件下CR39的径迹形状与能量响应特征,对多种ICF带电粒子谱仪的CR39探测器单元的设计提出了优化方案。
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| 关 键 词： | ICF带电粒子诊断 CR39探测器 能量响应 刻蚀动力学 |
Charged Particle Energy Response Research of CR39 Detector |
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| ZHANG Xing,SU Ming,ZHENG Jian-hua,YANG Zheng-hua,YANG Pin,CHEN Li,CHEN Ming,JIANG Shao-en,LIU Shen-ye.Charged Particle Energy Response Research of CR39 Detector[J].Atomic Energy Science and Technology,2015,49(1):140-146. |
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| Authors: | ZHANG Xing SU Ming ZHENG Jian-hua YANG Zheng-hua YANG Pin CHEN Li CHEN Ming JIANG Shao-en LIU Shen-ye |
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| Affiliation: | 1.Laser Fusion Research Center, China Academy of Engineering Physics, Mianyang 621900, China;2.State Key Laboratory of Nuclear Physics and Technology, Peking University, Beijing 100871, China |
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| Abstract: | For the application in the charged particle diagnostics on the SG serial laser facilities, the energy responses of CR39 detector with 0.7-10 MeV protons and α particle were investigated by the accelerator proton source and 241Am radioactive isotope source, respectively. An etching kinetic simulation code was developed based on the TRIM code and semi-empirical model. The characterizations of the energy responses and track shapes of p, D, T and α particles were simulated under the perpendicular incident and oblique incident conditions. Some schemes were proposed to optimize the CR39 detector unit for some application in ICF charged particle spectrometers. |
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| Keywords: | ICF charged particle diagnostics CR39 detector energy response etching kinetic |
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