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    Differential ionization in antiproton–hydrogen collisions within the convergent-close-coupling approach.

    Access Status
    Fulltext not available
    Authors
    Abdurakhmanov, Ilkhom
    Kadyrov, Alisher
    Bray, Igor
    Stelbovics, Andris
    Date
    2011
    Type
    Journal Article
    
    Metadata
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    Citation
    Abdurakhmanov, I.B. and Kadyrov, A.S. and Bray, I. and Stelbovics, A.T. 2011. Differential ionization in antiproton–hydrogen collisions within the convergent-close-coupling approach. Journal of Physics B: Atomic, Molecular and Optical Physics. 44 (16): pp. 1-10.
    Source Title
    Journal of Physics B
    DOI
    10.1088/0953-4075/44/16/165203
    ISSN
    0953-4075
    School
    Department of Imaging and Applied Physics
    URI
    http://hdl.handle.net/20.500.11937/46092
    Collection
    • Curtin Research Publications
    Abstract

    A recently developed fully quantal convergent-close-coupling (CCC) approach (Abdurakhmanov et al 2011 J. Phys. B: At. Mol. Opt. Phys. 44 075204) to ion–atom collisions is extended to differential ionization studies. An important feature of the method is that it does not have classical limitations on the relative motion of participating particles. The approach is applied to calculate fully differential, as well as various doubly and singly differential cross sections of ionization in antiproton collisions with atomic hydrogen. The CCC results for various differential cross sections agree reasonably well with the results of the semiclassical CC and the continuum-distorted-wave-eikonal-initial-state approaches,particularly at high energies. However, some discrepancies exist at low energies, where the final state interactions among colliding particles are found to be very important.

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