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Isotope effect in ion-atom collisions

AuthorsBarragán, Patricia ; Errea, L.F.; Méndez, L.; Rabadán, I.
Keywords[PACS] Charge transfer
[PACS] General theories and models of atomic and molecular collisions and interactions
Issue Date28-Sep-2010
PublisherAmerican Physical Society
CitationPhysical Review - Section A - Atomic Molecular and Optical Physics, 82: 030701(R) (2010)
AbstractWe explain the origin of the unusual large isotopic dependence found in charge-transfer cross sections for H(D,T)+ +Be collisions. We show that this large effect appears in a semiclassical treatment as a consequence of the mass dependence of the charge-transfer transition probabilities, which is due to the variation of the radial velocity in the region where the nonadiabatic transitions take place. The possibility of finding such a large isotope effect in other collision systems is discussed. ©2010 The American Physical Society
Description4 pags.; 5 figs.
Publisher version (URL)http://dx.doi.org/ 10.1103/PhysRevA.82.030701
DOIhttp://dx.doi.org/: 10.1103/PhysRevA.82.030701
Appears in Collections:(CFMAC-IFF) Artículos
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