| 叠层式探测器响应函数的理论计算和实验验证 |
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| 引用本文： | 雷家荣,魏熙晔,袁永刚,赵林,赵敏智,崔高显.叠层式探测器响应函数的理论计算和实验验证[J].核技术,2007,30(4):381-384. |
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| 作者姓名： | 雷家荣 魏熙晔 袁永刚 赵林 赵敏智 崔高显 |
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| 作者单位： | 中国工程物理研究院核物理与化学研究所,绵阳621900 |
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| 摘 要： | 光子能谱是脉冲辐射场中的重要参数.叠层式组合探测器可用于测量脉冲辐射场光子注量谱,而组合探测器对各种不同能量的光子的响应函数是光子能谱解谱的基础.本文用MCNP/4C对其响应函数进行了模拟计算,并采用热释光探测技术对典型能量点的γ射线的响应函数进行了实验验证.结果表明,叠层式组合探测器响应函数的理论模拟值和实验测量结果在实验测定精度内符合良好.
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| 关 键 词： | 叠层式探测器 能谱 响应函数 MCNP/4C |
| 修稿时间： | 2007-01-12 |
Theoretical calculation and experimental verification of response function for the cascading detector |
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| LEI Jiarong,WEI Xiye,YUAN Yonggang,ZHAO Lin,ZHAO Minzhi,CUI Gaoxian.Theoretical calculation and experimental verification of response function for the cascading detector[J].Nuclear Techniques,2007,30(4):381-384. |
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| Authors: | LEI Jiarong WEI Xiye YUAN Yonggang ZHAO Lin ZHAO Minzhi CUI Gaoxian |
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| Affiliation: | Chinese Academy of Engineering Physics, Institute of Nuclear Physics and Chemistry, Mian Yang 621900, China |
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| Abstract: | The photon energy spectrum is an important parameter for pulsed photon field, and a cascading detector can be used to measure the photon flux spectrum. The response function for photons with different energy for the detector is the basis of unfolding photon spectrum. In this paper, the response function was simulated using MCNP/4C, and the calculated response function for gamma rays with representative energies was verified through thermoluminescence detection technology. It shows that the simulated results agree well with the measured results for the response function of the cascading detector. |
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| Keywords: | Cascading detector Photon spectrum Response function MCNP/4C |
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