It contains the difference between the γ ray strength functions of the cascad γ deexcitation processes in the (n,γ)and (n,n′γ)reactions as well as the variation tendency of the reaction cross section ratios between the direct-semidirect radiative captures and the compound nucleus statistical processes with the incident energies, nuclear mas.
在 1 8 0≤A≤ 2 1 0核质量区研究快中子诱发γ射线产生机制中与巨偶极共振模型相关的问题 ,包括 (n ,γ)反应与 (n ,n′γ)反应中级联γ退激过程γ射线强度函数的差异和 (n ,γ)反应中直接 -半直接辐射俘获与复合核统计过程反应截面之比随入射能量、核质量数和核壳层的变化规律 。
They are compound nucleus statistical process and two nonstatistical process,i.
所考虑的反应机制有复合核统计过程和复合核弹性散射道中的辐射俘获及形状弹性散射道中的直接 -半直接辐射俘获两种非统计过程 。