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Anionic and cationic photofragmentation of core-excited N2O
Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Physics, Department of Physics. Department of Physics and Materials Science, Physics V.
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2003 (English)In: J. Phys. B: At. Mol. Opt. Phys, ISSN ISSN 0953-4075, Vol. 36, 1255-1261 p.Article in journal (Refereed) Published
Abstract [en]

We have measured all detectable cationic and anionic fragments in singlechannel mode from N2O as a function of photon energy in the vicinity of the nitrogen 1s core-level threshold. Due to the high degree of localization of the core electrons, the two excitations Nt1s → 3π∗ and Nc1s → 3π∗ show high levels of site-selective behaviour. The observed partial ion yield for the sole anionic fragment,O−, in conjunctionwith the partial cation yields,confirms our previous demonstration of anion-yield spectroscopy as a unique tool to identify core-level shape resonances.

Place, publisher, year, edition, pages
2003. Vol. 36, 1255-1261 p.
National Category
Atom and Molecular Physics and Optics
URN: urn:nbn:se:uu:diva-19424OAI: oai:DiVA.org:uu-19424DiVA: diva2:47196
Available from: 2007-02-15 Created: 2007-02-15 Last updated: 2011-01-13

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Öhrwall, Gunnar
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