Abstract

By using a new reaction model for light nuclei, the double-differential cross sections of n+10B reactions at En = 14.2 MeV have been analyzed. In the case of n+10B reactions there are over one hundred opened partial reaction channels. Besides the sequential particle emissions, there is also the three-body breakup process, in which the kinematics is classified into four types. In this paper the opened reaction channels are listed in detail with the LUNF code, with which the model calculation is performed to analyze the total outgoing neutron double-differential cross sections. All of the fittings agree fairly well with the measurements. The calculation results indicate that the pre-equilibrium mechanism dominates the whole reaction processes, and the recoil effect in light nuclear reaction is essentially important.

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