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首页> 外文会议>Reactor dosimetry. >Fitting Method for Spectrum Deduction in High-Energy Neutron Field Induced by GeV-Protons Using Experimental Reaction-Rate Data
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Fitting Method for Spectrum Deduction in High-Energy Neutron Field Induced by GeV-Protons Using Experimental Reaction-Rate Data

机译：GeV质子诱发的高能中子场的光谱减除的拟合方法

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摘要

The Japanese and American Study of Muon Interaction and Neutron detection (JASMIN) collaboration, has been conducting shielding experiments using the Fermilab anti-proton target station (Pbar) shielding assembly. A multi-foil technique was used to measure the high energy neutron spectra, in the range of 1 to 100 MeV, for the target station shielding configuration. The neutron spectra were de-convoluted using a new fitting method. This method is based on the assumption that a neutron spectrum can be expressed as a simple sum of two exponentials. The validity of the fitting method was confirmed by comparison with the results obtained using sand-ii computer code and theoretical calculations. Finally, it was found that there are simple correlations between reaction rates and the adjustable parameters in the fitting function.
机译：日本和美国的μon相互作用和中子探测研究（JASMIN）合作，一直在使用费米实验室反质子目标站（Pbar）屏蔽组件进行屏蔽实验。对于目标站屏蔽配置，使用了多种箔技术来测量1至100 MeV范围内的高能中子光谱。使用新的拟合方法对中子光谱进行反卷积。该方法基于以下假设：中子谱可以表示为两个指数的简单和。通过与使用sand-ii计算机代码和理论计算获得的结果进行比较，确认了拟合方法的有效性。最后，发现在拟合函数中反应速率和可调节参数之间存在简单的相关性。

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  • 来源
    《Reactor dosimetry.》|2011年|p.675-689|共15页
  • 会议地点 Bretton Woods NH(US);Bretton Woods NH(US)
  • 作者

    Y. Kasugai; N. Matsuda; Y. Sakamoto; H. Nakashima; H. Yashima; H. Matsumura; H. Iwase; H. Hirayama; N. Mokhov; A. Leveling; D. Boehnlein; K. Vaziri; G. Lauten; K. Oishi; T. Nakamura;

  • 作者单位

    Japan Atomic Energy Agency, Tokai-mura, Ibaraki-ken 319-1195, Japan;

    Japan Atomic Energy Agency, Tokai-mura, Ibaraki-ken 319-1195, Japan;

    Japan Atomic Energy Agency, Tokai-mura, Ibaraki-ken 319-1195, Japan;

    Japan Atomic Energy Agency, Tokai-mura, Ibaraki-ken 319-1195, Japan;

    Research Reactor Institute, Kyoto Univ., Kumatori-cho, Sennan-gun, Osaka 590-0494, Japan;

    High Energy Accelerator Organization, 1-1 Oho, Tsukuba, Ibaraki 305-0801, Japan;

    High Energy Accelerator Organization, 1-1 Oho, Tsukuba, Ibaraki 305-0801, Japan;

    High Energy Accelerator Organization, 1-1 Oho, Tsukuba, Ibaraki 305-0801, Japan;

    Fermi National Accelerator Laboratory, Batavia IL 87545;

    Fermi National Accelerator Laboratory, Batavia IL 87545;

    Fermi National Accelerator Laboratory, Batavia IL 87545;

    Fermi National Accelerator Laboratory, Batavia IL 87545;

    Fermi National Accelerator Laboratory, Batavia IL 87545;

    Shimizu Corporation, 4-17, Echujima 3-chome, Koto-ku, Tokyo 135-8530, Japan;

    Tohoku Univ., Aoba, Aramaki, Aoba-ku, Sendai, Miyagi 980-8578, Japan;

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 核反应堆工程;核反应堆工程;
  • 关键词

    high-energy neutron spectrum; GeV-protons; activation method; unfolding; PHITS;

    机译：高能中子光谱GeV质子激活方法；展开照片;

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