IONIZATION-EXCITATION OF HELIUM BY FAST CHARGED-PARTICLES

被引：14
|
作者：
NAGY, L
WANG, J
STRATON, JC
MCGUIRE, JH
机构：
[1] Physics Department, Tulane University, New Orleans
来源：
PHYSICAL REVIEW A | 1995年 / 52卷 / 02期
关键词：
D O I：
10.1103/PhysRevA.52.R902
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Probabilities and cross sections for ionization plus excitation in helium produced by fast heavy-particle impact have been evaluated. In these calculations, contributions from shake-off, time ordering, and independent interactions of the frozen-target electrons with the projectile are included. A comparison is made to recent experimental observations for the ratio of excitation-ionization to single-ionization total cross sections. A comparison is also made to calculations of excitation-ionization by fast electron impact.
引用
收藏
页码：R902 / R904
页数：3
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