ELECTRON TRANSLATION FACTORS IN ORIENTING CHARGE-TRANSFER COLLISIONS

被引:31
作者
CAMPBELL, EEB [1 ]
HERTEL, IV [1 ]
NIELSEN, SE [1 ]
机构
[1] UNIV COPENHAGEN,HC ORSTED INST,DEPT CHEM,DK-2100 COPENHAGEN,DENMARK
关键词
D O I
10.1088/0953-4075/24/17/018
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
The role of the electron translational factors (ETF) in the semiclassical theory of charge transfer is addressed with respect to orientation effects and possible propensity rules in s-p and p-p capture processes. It is shown that orientation effects can be understood in the light of the intuitive classical 'rolling ball' and 'velocity matching' arguments and analysed using the Larsen-Taulbjerg first-order approximation to the ETF. Emphasis is placed on investigating resonant p-p transfer which is a crucial test case for the effects of ETF on orientation dependences. The predictions are exemplified by four-state close-coupling calculations for Na(3p(m)) + Na+ --> Na+ + Na(3p'm) resonant transfer taking full account of ETF. Some problems involved in comparing experimental data at small scattering angles with theoretical predictions are discussed.
引用
收藏
页码:3825 / 3836
页数:12
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