Measurements of Double-Differential Neutron Emission Cross Sections of Nb, Mo, Ta, W and Bi for 14 and 18 MeV Neutrons.
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概要
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Double-differential neutron emission cross sections have been measured for Nb, Mo, Ta, W and Bi at 14 MeV incident energy, and for Nb and Bi at 18 MeV using Tohoku University Dynamitron TOF spectrometer. The experimental results indicated problems in current evaluations both for energy spectra and angular distributions. Angle-integrated neutron emission spectra and angular distributions of secondary neutrons were analyzed, respectively, by the statistical multi-step model code EXIFON and the systematics by Kalbach-Mann and by Kalbach. The energy spectra were reproduced successfully by EXIFON except for Bi, and the angular distributions were followed by the systematics over wide range of outgoing energy and target mass if the emission spectra calculated by EXIFON were employed for generation of angular distributions.
- 一般社団法人 日本原子力学会の論文
著者
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Baba Mamoru
Department Of Electrical And Electronic Engineering Iwate University
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Ito Takuya
Department of Botany, Faculty of Science, Kyoto University
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Hirakawa Naohiro
Department Of Nuclear Engineering Tohoku University
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Ohkubo Takeshi
Department Of Agriculture Kagawa University
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MATSUYAMA SHIGEO
Department of Biochmistry, School of Medicine, Keio University
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HIRAKAWA Naohiro
Department of Nuclear Engineering, Tohoku University
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OHKUBO Takeshi
Department of Nuclear Engineering, Tohoku University
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