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Strongly Enhanced Backward Emission of Electrons in Transfer and Ionization
Stockholm University, Faculty of Science, Department of Physics.
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2012 (English)In: Physical Review Letters, ISSN 0031-9007, Vol. 108, no 4, 043202- p.Article in journal (Refereed) Published
Abstract [en]

We studied three-dimensional angular distributions and longitudinal momentum spectra of electrons ejected in transfer plus ionization (TI), i.e., the ejection of one and the capture of a second target electron, for ion-helium collisions. We observe a pronounced structure strongly focused opposite to the projectile beam direction, which we associate with a new correlated TI mechanism proposed recently. This process contributes significantly to the total cross sections over a broad range of perturbations eta, even at eta as large as 0.5, where uncorrelated TI mechanisms were thought to be dominant.

Place, publisher, year, edition, pages
2012. Vol. 108, no 4, 043202- p.
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Physical Sciences
URN: urn:nbn:se:su:diva-76347DOI: 10.1103/PhysRevLett.108.043202ISI: 000299828100006OAI: diva2:526379
13Available from: 2012-05-11 Created: 2012-05-10 Last updated: 2012-05-11Bibliographically approved

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