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Post-collision interaction manifestation in molecular systems probed by photoelectron-molecular ion coincidences
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2013 (English)In: Journal of Physics B: Atomic, Molecular and Optical Physics, ISSN 0953-4075, E-ISSN 1361-6455, Vol. 46, no 21, 215101- p.Article in journal (Refereed) Published
Abstract [en]

S1s photoionization in carbonyl sulfide (OCS), followed by multiple Auger decay is investigated both experimentally and theoretically, by means of photoelectron-ion coincidences. A strong influence of post-collision interaction is observed in the energy shift and the distortion of the photoelectron spectra. The magnitude of this effect depends on the total charge of the ionic fragments, i.e., on the number of electrons emitted during the decay of the inner vacancy. A satisfactory agreement is found between experiment and theory, which allows us to estimate the lifetimes of the various two-hole states of the intermediate OCS2+ ion.

Place, publisher, year, edition, pages
2013. Vol. 46, no 21, 215101- p.
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Natural Sciences
URN: urn:nbn:se:uu:diva-211760DOI: 10.1088/0953-4075/46/21/215101ISI: 000326434400005OAI: oai:DiVA.org:uu-211760DiVA: diva2:669134
Available from: 2013-12-03 Created: 2013-12-02 Last updated: 2013-12-03Bibliographically approved

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Piancastelli, Maria Novella
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Molecular and condensed matter physics
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