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    Wave-packet continuum-discretization approach to ion-atom collisions including rearrangement: Application to differential ionization in proton-hydrogen scattering

    Access Status
    Fulltext not available
    Authors
    Abdurakhmanov, Ilkhom
    Bailey, J.
    Kadyrov, Alisher
    Bray, Igor
    Date
    2018
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Abdurakhmanov, I. and Bailey, J. and Kadyrov, A. and Bray, I. 2018. Wave-packet continuum-discretization approach to ion-atom collisions including rearrangement: Application to differential ionization in proton-hydrogen scattering. Physical Review A - Atomic, Molecular, and Optical Physics. 97 (3).
    Source Title
    Physical Review A - Atomic, Molecular, and Optical Physics
    DOI
    10.1103/PhysRevA.97.032707
    ISSN
    2469-9926
    School
    School of Electrical Engineering, Computing and Mathematical Science (EECMS)
    URI
    http://hdl.handle.net/20.500.11937/67172
    Collection
    • Curtin Research Publications
    Abstract

    © 2018 American Physical Society. In this work, we develop a wave-packet continuum-discretization approach to ion-atom collisions that includes rearrangement processes. The total scattering wave function is expanded using a two-center basis built from wave-packet pseudostates. The exact three-body Schrödinger equation is converted into coupled-channel differential equations for time-dependent expansion coefficients. In the asymptotic region these time-dependent coefficients represent transition amplitudes for all processes including elastic scattering, excitation, ionization, and electron capture. The wave-packet continuum-discretization approach is ideal for differential ionization studies as it allows one to generate pseudostates with arbitrary energies and distribution. The approach is used to calculate the double differential cross section for ionization in proton collisions with atomic hydrogen. Overall good agreement with experiment is obtained for all considered cases.

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