【摘 要】
：
提出了中子反应同质异能态截面比的半经验公式 .该公式含有一系统学参数 ,适应于产物核质量数 44≤A≤ 197、同质异能态自旋 0≤Jm≤ 12和基态自旋 0 5≤Jg≤ 8的中子反应 .
【机 构】
：
中国原子能科学研究院!北京102413
论文部分内容阅读
提出了中子反应同质异能态截面比的半经验公式 .该公式含有一系统学参数 ,适应于产物核质量数 44≤A≤ 197、同质异能态自旋 0≤Jm≤ 12和基态自旋 0 5≤Jg≤ 8的中子反应 .在入射中子能量En<2 0MeV能区 ,对该系统学参数进行了系统学研究 .通过获得的半经验公式和系统学参数 ,可以很好地再现已有实验数据 ,也可较好地预言无实验数据的同质异能态截面比或同质异能态截面
A semi-empirical formula for the cross-section ratio of neutrons to isomorphic energy is proposed. The formula contains a systematic parameter that can be adapted to the mass of the product 44≤A≤197, the spin of the isomorphic state 0≤Jm≤12 and In the neutron reaction with ground state spin 0 5≤Jg≤8, we systematically studied the systematic parameters of the incident neutron energy En <2 0MeV, and obtained semi-empirical formulas and systematic parameters Good to reproduce the existing experimental data, but also can better predict the experimental data of the same-energy cross-section ratio or isomorphic cross-section
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