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Second-order interference in collisions of 4-MeV/u F9+ ions with H-2
Stockholm University.
2009 (English)In: Physical Review A. Atomic, Molecular, and Optical Physics, ISSN 1050-2947, E-ISSN 1094-1622, Vol. 80, no 6, 62701- p.Article in journal (Refereed) Published
Abstract [en]

Frequency doubling in interference oscillations in fast-ion-induced electron emission spectrum from H-2 is investigated. Experimentally observed oscillatory structure is well explained by a model calculation based on the rescattering of emitted electron from the second H center. The second-order contribution is found to be as large as 10%. The doubling of oscillation frequency is found out to be independent of angle of observation. Derived analytical expression for the double differential cross section ratio including the first- and second-order interference terms, fits the observed oscillatory structure quite well. The present analysis is in broad agreement with the earlier observations by Stolterfoht et al.

Place, publisher, year, edition, pages
2009. Vol. 80, no 6, 62701- p.
Keyword [en]
double-differential distributions, electron-emission, h+ impact, ionization, photoionization
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:su:diva-59399DOI: 10.1103/PhysRevA.80.062701ISI: 000273233800077OAI: oai:DiVA.org:su-59399DiVA: diva2:427671
Note
authorCount :4Available from: 2011-06-28 Created: 2011-06-27 Last updated: 2017-12-11Bibliographically approved

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