Cross-section measurement for the 10B(n, alpha)7Li reaction at 4.0 and 5.0 MeV
Guohui Zhang1, Li'an Guo, Rongtai Cao
1Key Laboratory of Heavy Ion Physics, Ministry of Education, Peking University, Beijing 100871, China. guohuizhang@pku.edu.cn
Abstract:
Cross-sections of the (10)B(n, alpha)(7)Li reaction were measured at En=4.0 and 5.0 MeV. A gridded ionization chamber (GIC) was used as charged particle detector. Neutrons were produced through the D(d, n)(3)He reaction with a deuterium gas target. Experiments were performed at the 4.5 MV Van de Graaff accelerator of Peking University. Cross-section data of the (238)U(n, f) reaction were employed as standard. The measured cross-sections of the (10)B(n, alpha)(7)Li reaction at 4.0 and 5.0 MeV are 211+/-17 and 169+/-14 mb, respectively, and they are compared with existing results of measurements and evaluations.
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