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

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15 Citeringar (SciVal)

Sammanfattning

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.
Originalspråkengelska
Artikelnummer161002
TidskriftJournal of Physics B: Atomic, Molecular and Optical Physics
Volym44
Utgåva16
DOI
StatusPublished - 2011

Ämnesklassifikation (UKÄ)

  • Naturvetenskap
  • Fysik

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