SUPPRESSED ELECTRON-CAPTURE IN SLOW O+(4S0,2D0,2P0)-HE COLLISIONS

被引:10
作者
WOLFRUM, E
SCHWEINZER, J
WINTER, H
机构
[1] Institut für Allgemeine Physik, Technische Universität Wien, A-1040 Wien
来源
PHYSICAL REVIEW A | 1992年 / 45卷 / 07期
关键词
D O I
10.1103/PhysRevA.45.R4218
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
Total cross sections for single-electron capture from He by keV O+ 2D-degrees and 2P-degrees metastable ions turned out to be much smaller than for O+ 4S-degrees ground-state ions, despite a larger energy defect for the latter reaction. We suggest that this unexpected behavior is caused by efficient suppression of electron capture into either metastable ion due to a competing, collisionally induced inelastic transition into the companion metastable state.
引用
收藏
页码:R4218 / R4221
页数:4
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