Direct transitions among atomic states of negative reflection symmetry in the scattering plane: Li(2P
0, 3p
0, 3d
±1)-He collisions |
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Authors: | S E Nielsen N Andersen |
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Institution: | 1. Chemistry Laboratory III H.C. ?rsted Institute, University of Copenhagen, DK-2100, Copenhagen, Denmark 2. Physics Laboratory H.C. ?rsted Institute, University of Copenhagen, DK-2100, Copenhagen, Denmark
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Abstract: | This paper reports coupled channel model calculations of direct transitions in Li-He collisions among excited Li-states of negative reflection symmetry in the scattering plane. Using the natural coordinate frame, transition probabilities and orientation and alignment parameters are predicted as functions of impact energy and impact parameter for various initial states. It is found that for geometrical reasons transition probabilities are one to two orders of magnitude smaller than for corresponding states with positive reflection symmetry. Some experimental consequences of this finding are pointed out. |
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Keywords: | |
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