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    Solution of the proton-hydrogen scattering problem using a quantum-mechanical two-center convergent close-coupling method

    Access Status
    Fulltext not available
    Authors
    Abdurakhmanov, Ilkhom
    Kadyrov, Alisher
    Avazbaev, S.
    Bray, Igor
    Date
    2016
    Type
    Journal Article
    
    Metadata
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    Citation
    Abdurakhmanov, I. and Kadyrov, A. and Avazbaev, S. and Bray, I. 2016. Solution of the proton-hydrogen scattering problem using a quantum-mechanical two-center convergent close-coupling method. Journal of Physics B: Atomic, Molecular and Optical Physics. 49: Article 115203.
    Source Title
    Journal of Physics B: Atomic, Molecular and Optical Physics
    DOI
    10.1088/0953-4075/49/11/115203
    ISSN
    0953-4075
    School
    Department of Physics and Astronomy
    URI
    http://hdl.handle.net/20.500.11937/9741
    Collection
    • Curtin Research Publications
    Abstract

    Details of the recently developed quantum-mechanical two-center convergent close-coupling approach (Abdurakhmanov et al 2016 J. Phys. B: At. Mol. Phys. 49 03LT01) to proton-hydrogen scattering are presented. The formulation is based on the exact (fully quantum-mechanical) three-body Schrödinger equation. The total scattering wavefunction is expanded using a two-center pseudostate basis. This allows one to include all underlying processes, namely, direct scattering and ionization, electron capture into bound and continuum states of the projectile. The off-shell integration in the coupled-channel Lippmann-Schwinger integral equations emerging from the three-body Schrödinger equation for the scattering wavefunction is taken analytically which greatly reduces computational effort. While the calculated electron capture cross sections are in a good agreement with experiment, some discrepancy exists for the ionization cross sections.

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