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
来源：
ZEITSCHRIFT FUR PHYSIK D-ATOMS MOLECULES AND CLUSTERS | 1992年 / 23卷 / 04期
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.
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页码：365 / 369
页数：5
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