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Site selective dissociation upon core ionization of ozone
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics, Physics V.
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2007 (English)In: Chemical Physics Letters, ISSN 0009-2614, E-ISSN 1873-4448, Vol. 435, no 4-6, 214-218 p.Article in journal (Refereed) Published
Abstract [en]

Ozone is found to exhibit substantial site-selective fragmentation when its fragment ions are collected in coincidence with energy selected electrons. We find a preferential production of the O-2(+)/O+(O+/O+) ion pair upon ionization of the terminal (central) oxygen Is electron. Depending on the hole localization, Auger rates are different towards the various final states of the dication, which would produce the observed different fragmentation pattern. We also observe however an increase O-2(+)/O+ production for when the terminal core-hole state is vibrationally excited. This shows the role of the nuclear motion before the Auger decay in the observed site-specific.

Place, publisher, year, edition, pages
2007. Vol. 435, no 4-6, 214-218 p.
National Category
Physical Sciences
URN: urn:nbn:se:uu:diva-145838DOI: 10.1016/j.cplett.2006.12.089ISI: 000244474900008OAI: oai:DiVA.org:uu-145838DiVA: diva2:397034
Available from: 2011-02-11 Created: 2011-02-11 Last updated: 2016-04-26

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