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Ultrashort-Lived Non-Rydberg Doubly Excited Resonances Observed in Molecular Photoionization
KTH, School of Engineering Sciences (SCI), Physics.ORCID iD: 0000-0001-7389-5501
1996 (English)In: Physical Review Letters, ISSN 0031-9007, E-ISSN 1079-7114, Vol. 76, 4136-4139 p.Article in journal (Refereed) Published
Abstract [en]

The N2 1sB 2 Xd dispersed fluorescence from photon excited N2 molecules has been measured in the 19–34 eV excitation range, where our theory predicts the existence of non-Rydberg doubly excited resonances which autoionize in the sub-fs regime into the N2 1 B2S1u ionic state. The experimentally deduced vibrational branching ratios sy0 ­ 1dysy0 ­ 0d revealed five prominent features, four of which could be identified as such doubly excited resonances based on the lowest order of the many-body perturbation theory. [S0031-9007(96)00230-X]

Place, publisher, year, edition, pages
American Institute of Physics (AIP), 1996. Vol. 76, 4136-4139 p.
National Category
Natural Sciences
Research subject
URN: urn:nbn:se:kth:diva-182761OAI: diva2:905717


Available from: 2016-02-23 Created: 2016-02-23 Last updated: 2016-02-24Bibliographically approved

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