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

  • Y-P Sun
  • Annette Pietzsch
  • Franz Hennies
  • Z. Rinkevicius
  • H. O. Karlsson
  • T. Schmitt
  • V. N. Strocov
  • J. Andersson
  • Brian Kennedy
  • J. Schlappa
  • A. Foehlisch
  • F. Gel'mukhanov
  • J-E Rubensson
Publiceringsår: 2011
Språk: Engelska
Publikation/Tidskrift/Serie: Journal of Physics B: Atomic, Molecular and Optical Physics
Volym: 44
Nummer: 16
Dokumenttyp: Artikel i tidskrift
Förlag: IOP Publishing


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.


  • Natural Sciences
  • Physical Sciences


  • ISSN: 0953-4075

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