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Vibrationally resolved resonant inelastic soft X-ray scattering spectra of free molecules

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Author

Summary, in English

The brilliance of modern synchrotron radiation sources and capabilities of new instrumentation facilitate molecular resonant inelastic soft X-ray scattering with high spectral quality. Especially, energy resolution of vibrational fine structure allows for a detailed analysis, providing information about the dynamic coupling between nuclear and electronic degrees of freedom. After a brief historical account and a short qualitative comparison between the radiative and non-radiative decay channels we review the recent results for the oxygen molecule. Nuclear wavepacket dynamics in bound and unbound states is studied, and in the latter case spatial quantum beats are observed as the dissociation proceeds via two different electronic states. A new internal spin-coupling conservation rule is established, whereas a commonly accepted selection rule based on orbital symmetry is violated. (C) 2012 Elsevier B.V. All rights reserved.

Department/s

Publishing year

2012

Language

English

Pages

294-300

Publication/Series

Journal of Electron Spectroscopy and Related Phenomena

Volume

185

Issue

8-9

Document type

Journal article

Publisher

Elsevier

Topic

  • Physical Sciences
  • Natural Sciences

Keywords

  • Resonant inelastic X-ray scattering
  • Spectroscopy
  • Molecular physics
  • Dynamics
  • Symmetry

Status

Published

ISBN/ISSN/Other

  • ISSN: 0368-2048