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Internal symmetry and selection rules in resonant inelastic soft x-ray scattering
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Soft X-Ray Physics.
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2011 (English)In: Journal of Physics B: Atomic, Molecular and Optical Physics, ISSN 0953-4075, E-ISSN 1361-6455, Vol. 44, no 16, 161002- p.Article in journal (Refereed) Published
Abstract [en]

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.

Place, publisher, year, edition, pages
2011. Vol. 44, no 16, 161002- p.
National Category
Natural Sciences
URN: urn:nbn:se:uu:diva-159484DOI: 10.1088/0953-4075/44/16/161002ISI: 000294890800002OAI: oai:DiVA.org:uu-159484DiVA: diva2:445332
Available from: 2011-10-03 Created: 2011-10-03 Last updated: 2012-03-14Bibliographically approved

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Hennies, Franz
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