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Competition between decay and dissociation of core-excited carbonyl sulfide studied by x-ray scattering
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1999 (English)In: Physical Review A. Atomic, Molecular, and Optical Physics, ISSN 1050-2947, E-ISSN 1094-1622, Vol. 59, no 6, 4281-4287 p.Article in journal (Refereed) Published
Abstract [en]

We show evidence of dissociation during resonant inelastic soft x-ray scattering Carbon and oxygen K-shell and sulfur L-shell resonant and nonresonant x-ray emission spectra were measured using monochromatic synchrotron radiation for excitation and ionization. After sulfur L-2,L-3-->pi*, sigma* excitation, atomic lines are observed in the emission spectra as a consequence of competition between de-excitation and dissociation. In contrast thr carbon and oxygen spectra show weaker line-shape variations and no atomic Lines. The spectra are compared to results from ab initio calculations. The discussion of the dissociation paths is based on calculated potential energy surfaces and atomic transition energies.

Place, publisher, year, edition, pages
1999. Vol. 59, no 6, 4281-4287 p.
Keyword [en]
HIGH-RESOLUTION, OCS MOLECULE, ABSORPTION SPECTRA, STATIC EXCHANGE, AUGER-SPECTRA, AB-INITIO, EMISSION, CS2, DYNAMICS, HCL
National Category
Atom and Molecular Physics and Optics Atom and Molecular Physics and Optics
Identifiers
URN: urn:nbn:se:kth:diva-13850ISI: 000080777600024OAI: oai:DiVA.org:kth-13850DiVA: diva2:327747
Note
QC 20100630Available from: 2010-06-30 Created: 2010-06-30 Last updated: 2017-12-12Bibliographically approved
In thesis
1. Wave packet theory of resonant X-ray scattering
Open this publication in new window or tab >>Wave packet theory of resonant X-ray scattering
2001 (English)Doctoral thesis, comprehensive summary (Other scientific)
Place, publisher, year, edition, pages
Stockholm: KTH, 2001. x, 43 p.
Keyword
RXS, x-ray scattering, wave packets
National Category
Engineering and Technology
Identifiers
urn:nbn:se:kth:diva-3188 (URN)91-7283-111-1 (ISBN)
Public defence
2001-06-11, 00:00
Note
QC 20100629Available from: 2001-06-08 Created: 2001-06-08 Last updated: 2010-06-30Bibliographically approved

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Ågren, Hans

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