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          Institute: MPI für Kernphysik     Collection: Physics of Quantum Dynamics in Atomic Fragmentation     Display Documents



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ID: 204741.0, MPI für Kernphysik / Physics of Quantum Dynamics in Atomic Fragmentation
Highly-charged particle impact ionization of He
Authors:Foster, M.; Madison, D.H.; Peacher, J.L.; Ullrich, J.
Language:English
Date of Publication (YYYY-MM-DD):2004-09-21
Title of Journal:Journal of Physics B
Journal Abbrev.:J. Phys. B
Volume:37
Issue / Number:19
Start Page:3797
End Page:3807
Copyright:© Institute of Physics and IOP Publishing Limited 2004.
Review Status:Peer-review
Audience:Experts Only
Abstract / Description:Absolute experimental measurements have been reported for the fully differential cross section (FDCS) for single ionization of helium by 3.6 MeV/u AuQ+ (Q = 24, 53) ions. These absolute measurements are not in very good agreement with CDW-EIS (Continuum Distorted Wave-Eikonal Initial State) calculations which are normally in excellent agreement with doubly differential cross section measurements. We have recently introduced the 3DW-EIS approach which is a fully quantum mechanical approach. In addition, we have used a Hartree-Fock distorted wave for the outgoing electron instead of approximating the ejected electron as a Coulomb wave with an effective charge. For the case of low energy C6+ ionization of helium, the 3DW-EIS results were shown to be in better agreement with absolute experimental data than the CDW-EIS approximation. The purpose of this paper is to investigate the validity of the 3DW-EIS model for more highly charged ion.
Last Change of the Resource (YYYY-MM-DD):2004-06-11
External Publication Status:published
Document Type:Article
Affiliations:MPI für Kernphysik/Group J. Ullrich/Strong-Fields Physics (R. Moshammer)
External Affiliations:Laboratory for Atomic, Molecular and Optical Research, Physics Department, University of Missouri-Rolla, Rolla, Missouri 65409-0640, USA
Identifiers:DOI:10.1088/0953-4075/37/19/002
PII:S0953-4075(04)82398-8
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