ABSOLUTE 3P0 TRIPLE DIFFERENTIAL CROSS-SECTIONS FOR ELECTRON-HELIUM WANNIER THRESHOLD IONIZATION

被引:7
|
作者
CARRUTHERS, DRJ
CROTHERS, DSF
机构
[1] Department of Applied Mathematics and Theoretical Physics, School of Mathematics and Physics, The Queen's University of Belfast, Belfast
关键词
D O I
10.1007/BF01429259
中图分类号
O64 [物理化学(理论化学)、化学物理学]; O56 [分子物理学、原子物理学];
学科分类号
070203 ; 070304 ; 081704 ; 1406 ;
摘要
The uniform semiclassical approximation of Crothers is employed to find a final-state P-3(0) wave function for threshold electron impact ionisation of helium. The Kohn variational principle is applied perturbatively to evaluate the scattering amplitude and hence the absolute P-3(0) contribution to the triple differential cross sections. These plus the previous absolute singlet results of Crothers are compared favourably with the relative experimental results of Selles et al.
引用
收藏
页码:365 / 369
页数:5
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