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Internal symmetry and selection rules in resonant inelastic soft x-ray scattering

  • Resonant inelastic soft x-ray scattering spectra excited at the dissociative 1 sigma(g) -> 3 sigma(u) resonance in gas-phase O(2) are presented and discussed in terms of state-of-the-art molecular theory. A new selection rule due to internal spin coupling is established, facilitating a deep analysis of the valence excited final states. Furthermore, it is found that a commonly accepted symmetry selection rule due to orbital parity breaks down, as the core hole and excited electron swap parity, thereby opening the symmetry forbidden 3 sigma(g) decay channel.

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Metadaten
Author:Y-P Sun, Annette Pietzsch, Franz Hennies, Z. Rinkevicius, Hans O. Karlsson, Thorsten Schmitt, Vladimir N. Strocov, Joakim Andersson, B. Kennedy, J. Schlappa, Alexander Foehlisch, F. Gel'mukhanov, Jan-Erik Rubensson
DOI:https://doi.org/10.1088/0953-4075/44/16/161002
ISSN:0953-4075 (print)
Parent Title (English):Journal of physics : B, Atomic, molecular and optical physics
Publisher:IOP Publ. Ltd.
Place of publication:Bristol
Document Type:Article
Language:English
Year of first Publication:2011
Year of Completion:2011
Release Date:2017/03/26
Volume:44
Issue:16
Pagenumber:5
Funder:European Community [226716]; Swedish Research Council (VR); Carl Tryggers Stiftelse (CTS)
Organizational units:Mathematisch-Naturwissenschaftliche Fakultät / Institut für Physik und Astronomie
Peer Review:Referiert