各种碰撞过程对氦原子单电离三重微分截面的影响

A Variety of Collision Processes Influence on the Triple Differential Oross Section of He Single-Ionization

考虑各种碰撞过程对氦原子单电离三重微分截面的影响,计算了共面不对称和共面等能几何条件下,电子碰撞He(e,2e)反应的三重微分截面,同时给出了直接碰撞过程、交换碰撞过程以及干涉效应对三重微分截面的贡献.结果表明,三种碰撞过程对He(e,2e)反应三重微分截面影响是不可忽视的.

Considering the various collision processes of helium atom single ionization triple differential cross sections,the paper calculated coplanar and coplanar asymmetric geometry conditions such as can be,e-collision He（e,2e） triple differential cross sections for reaction,and gives a direct collision process,exchange collision process and the interference effects on the triple-differential cross-section contributions.The results showed that three kinds of collision processes He（e,2e） triple differential cross sections for reaction effects can not be ignored.