Influence of the electron binding energy in the distortion of the initial state in ion-atom collisions

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

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

A simple classical model based on linear response was developed to include binding-energy effects in the entrance channel for ion-atom ionization. The resulting theory was use for helium single ionization by singly and multiply charged ions. It was confirmed that distorted wave theories are sensitive to the choice of the initial state and that binding-energy effects for the active electron should be taken into account in initial-state distortions for intermediate impact energies. The results show that modified continuum distorted wave (CDW) approximation includes the active electron binding energy in the distorted wave description of the initial state.

Original languageEnglish
Article number062713
Pages (from-to)062713-1-062713-6
JournalPhysical Review A - Atomic, Molecular, and Optical Physics
Volume70
Issue number6
DOIs
StatePublished - Dec 2004

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