Fully differential cross sections for C6+ single ionization of helium: The role of nucleus-nucleus interaction

M. F. Ciappina*, W. R. Cravero

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

27 Scopus citations


In this work, we present fully differential cross section (FDCS) calculations using distorted wave theories for helium single ionization by 2 MeV amu-1 C6+ ions. We study the influence of internuclear interaction on low-energy electron emission in the scattering plane. It is shown that by incorporating an internuclear effective charge which depends on the collision momentum transfer and taking into account its interplay with passive electron screening we obtain better agreement with experiments in most cases under consideration. Comparisons are made with absolute experimental measurements and with other theories. We found that for ejected-electron momentum similar to transferred momentum, internuclear potential effects have little contribution to FDCSs.

Original languageEnglish
Article number007
Pages (from-to)2183-2194
Number of pages12
JournalJournal of Physics B: Atomic, Molecular and Optical Physics
Issue number9
StatePublished - 14 May 2006
Externally publishedYes


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