TRIPLY DIFFERENTIAL CROSS-SECTIONS FOR IONIZATION OF HELIUM BY ELECTRONS

被引:43
作者
BRAUNER, M
BRIGGS, JS
BROAD, JT
机构
[1] Fakultät für Physik, Albert-Ludwigs-Universität, Freiburg, D-7800
[2] Joint Institute for Laboratory Astrophysics, University of Colorado, Boulder, CO
关键词
D O I
10.1088/0953-4075/24/1/028
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
A correlated three-body continuum wavefunction, already successfully employed to describe hydrogen atom impact ionization, is used to calculate the triply-differential cross section for electron impact ionization of helium. A good description is obtained of all the major structure in the differential cross sections in both symmetric and asymmetric geometries. It is demonstrated how interference between the various projectile-target interactions is necessary to reproduce the experimentally observed structure.
引用
收藏
页码:287 / 297
页数:11
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