DOUBLY DIFFERENTIAL CROSS-SECTIONS FOR IONIZATION OF HELIUM BY ELECTRON-IMPACT

被引:13
作者
RAY, H [1 ]
WERNER, U [1 ]
ROY, AC [1 ]
机构
[1] UNIV BIELEFELD, FAK PHYS, W-4800 BIELEFELD 1, GERMANY
来源
PHYSICAL REVIEW A | 1991年 / 44卷 / 11期
关键词
D O I
10.1103/PhysRevA.44.7834
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
The Glauber approximation is used to calculate doubly differential cross sections (DDCS's) for electron-impact ionization of helium at incident energies of 100, 300, and 500 eV. Angular dependences of the cross sections are presented for the primary (scattered) electrons. The present calculation is done for the case where the energy of the primary electron is large compared with that of the secondary (ejected) electron. A comparison is made of the present DDCS with the results of other calculations and experiment.
引用
收藏
页码:7834 / 7837
页数:4
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