Systematics of the (n,(alpha)) reaction cross-sections at 14.5 MeV neutrons

摘要

A systematics is proposed for the (n,(alpha)) reaction cross-sections based on the statistical model, with consideration of the Q-value dependence and odd- even effects. An empirical formula for odd-A and even-A nuclei is presented for the (n,(alpha)) reaction cross-sections at 14.5 MeV neutrons and the target mass range 26(<=)A(<=)238. The present formula is compared with other recently proposed systematics based on the statistical model and the asymmetry parameter dependence. (author) 24 refs, 3 figs, 4 tabs.