截面依赖动量转移条件下屏蔽效应的理论研究
Theoretical study of shield effect in the momentum transfer dependence of the cross section
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摘要: 利用BBK模型及修正方案,对电子入射电离氦原子(e,2e)反应过程中截面依赖动量转移条件下的三重微分散射截面(TDCS)进行了理论计算,把计算结果与实验测量结果进行比较,分析了截面结构,并研究了末通道屏蔽效应对三重微分截面所产生的影响.Abstract: The momentum transfer dependence of the cross section for electron impact ionization of helium for(e,2e) process is investigated by use of BBK model and modified BBK model.The results of the present work are compared with experimental data.The structure of the cross section is analysed,and the effective shield is discussed in detail in the final state.
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