He+-He collisions: a spectroscopist's ball game

G. von Oppen; R. Drozdowski; M. Busch; Th. Ludwig

doi:10.1117/12.629389

1 June 2005 He+-He collisions: a spectroscopist's ball game

G. von Oppen, R. Drozdowski, M. Busch, Th. Ludwig

Proceedings Volume 5849, Fifth Workshop on Atomic and Molecular Physics; (2005) https://doi.org/10.1117/12.629389
Event: Fifth Workshop on Atomic and Molecular Physics, 2004, Jurata, Poland

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.

Citation Download Citation

G. von Oppen, R. Drozdowski, M. Busch, and Th. Ludwig "He+-He collisions: a spectroscopist's ball game", Proc. SPIE 5849, Fifth Workshop on Atomic and Molecular Physics, (1 June 2005); https://doi.org/10.1117/12.629389

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