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    Coupled-channel integral-equation approach to antiproton–hydrogen collisions

    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. B. and Stelbovics, A. T. 2011. Coupled-channel integral-equation approach to antiproton–hydrogen collisions. Journal of Physics B: Atomic, Molecular and Optical Physics. 44 (7): pp. 1-11.
    Source Title
    Journal of Physics B
    DOI
    10.1088/0953-4075/44/7/075204
    ISSN
    0953-4075
    School
    Department of Imaging and Applied Physics
    URI
    http://hdl.handle.net/20.500.11937/46019
    Collection
    • Curtin Research Publications
    Abstract

    A fully quantal integral-equation approach to ion–atom collisions is developed along the lines of the convergent close-coupling approach to electron–atom scattering. The approach starts from the exact three-body Schrödinger equation for the scattering wavefunction and leads to coupled-channel Lippmann–Schwinger equations for the transition amplitudes in the impact-parameter representation, with the relative motion of the heavy particles treated quantum mechanically. The method is applied to calculate antiproton collisions with atomic hydrogen. Integrated total, excitation and ionization cross sections are calculated in the energy range from 1 keV to 1 MeV.

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