ORIENTATION AND ALIGNMENT EFFECTS FOR CAPTURE IN MULTIPLY CHARGED-ION ATOM COLLISIONS

被引:42
作者
HANSEN, JP
KOCBACH, L
DUBOIS, A
NIELSEN, SE
机构
[1] HC ORSTED INST,PHYS LAB,DK-2100 COPENHAGEN,DENMARK
[2] HC ORSTED INST,CHEM LAB 3,DK-2100 COPENHAGEN,DENMARK
关键词
D O I
10.1103/PhysRevLett.64.2491
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
The shape and the dynamics of the electron charge cloud for capture to the 2p states in B3+-He collisions have been studied by coupled-channel methods. We predict strong propensity for electron capture into oriented 2p states, characterized by preferred angular momentum perpendicular to the collision plane. This effect, present for velocities above 0.1 a.u. and intermediate impact parameters, is probably a general aspect of capture to multiply charged ions dominated by p-state capture. A new feature of reaction dynamics is a slippage phenomenon, i.e., the major axis of the 2p charge density lags behind the internuclear axis as the projectile traverses the turning point. © 1990 The American Physical Society.
引用
收藏
页码:2491 / 2494
页数:4
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