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Proceedings Paper

He+-He collisions: a spectroscopist's ball game
Author(s): G. von Oppen; R. Drozdowski; M. Busch; Th. Ludwig
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Paper Abstract

By investigating Hel spectral lines emitted by helium atoms after 30-50 keV HetHe collisions the post-collisional states of target and projectile atoms can be determined. Using in particular level-crossing and anticrossing spectroscopy we found that both target atoms resulting from direct excitation and projectile atoms resulting from capture excitation have extremely asymmetric charge distributions immediately after a collision. These results can be explained by the idea of Paul-trap promotion.

Paper Details

Date Published: 1 June 2005
PDF: 9 pages
Proc. SPIE 5849, Fifth Workshop on Atomic and Molecular Physics, (1 June 2005); doi: 10.1117/12.629389
Show Author Affiliations
G. von Oppen, Technische Univ. Berlin (Germany)
R. Drozdowski, Univ. of Gdansk (Poland)
M. Busch, Humboldt-Univ. zu Berlin (Germany)
Th. Ludwig, Technische Univ. Berlin (Germany)

Published in SPIE Proceedings Vol. 5849:
Fifth Workshop on Atomic and Molecular Physics
Jerzy Kwela; Ryszard Drozdowski; Tomasz J. Wasowicz, Editor(s)

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