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^5He Emission in Neutron-Induced ^10B Reactions

^5He Emission in Neutron-Induced ^10B Reactions
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摘要 In n +^10B reactions, ^5He cluster emission has been discussed with the updated level scheme and the new optical model parameters. In this paper the reaction channels related to ^5He emission are listed in detail. By using the new reaction model for light nuclei, the double-differential cross sections of total outgoing neutrons for n + ^10 B reactions at En= 14.2 MeV have been calculated, and the results agree fairly well with the measurements. Particularly, in the energy-angular spectra the contribution from the 5He-emission to the total outgoing neutron double-differential cross sections has also been analyzed, and the partial energy-angular spectra of 60° at En= 14.2 MeV have been given. The calculated results indicate that once the 5He emission is taken into account, the fitting with the double-differential measurements of total outgoing neutrons at the low energy region could be improved. Therefore, to consider the ^5He emission properly in the reaction processes of light nuclei is necessary.
出处 《Communications in Theoretical Physics》 SCIE CAS CSCD 2006年第3X期527-532,共6页 理论物理通讯(英文版)
关键词 ^ 5He emission double-differential cross section pre-equilibrium emission ^ 5He发射 双微分交叉段 预平衡发射 反作用通道 中子
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