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    Ionization and electron capture in collisions of bare carbon ions with hydrogen

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    Fulltext not available
    Authors
    Abdurakhmanov, Ilkhom
    Massen-Hane, K.
    Alladustov, S.
    Bailey, J.
    Kadyrov, Alisher
    Bray, Igor
    Date
    2018
    Type
    Journal Article
    
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    Citation
    Abdurakhmanov, I. and Massen-Hane, K. and Alladustov, S. and Bailey, J. and Kadyrov, A. and Bray, I. 2018. Ionization and electron capture in collisions of bare carbon ions with hydrogen. Physical Review A - Atomic, Molecular, and Optical Physics. 98 (6): Article ID 062710.
    Source Title
    Physical Review A - Atomic, Molecular, and Optical Physics
    DOI
    10.1103/PhysRevA.98.062710
    ISSN
    2469-9926
    School
    School of Electrical Engineering, Computing and Mathematical Science (EECMS)
    URI
    http://hdl.handle.net/20.500.11937/74006
    Collection
    • Curtin Research Publications
    Abstract

    Ionization and electron capture in collisions of bare carbon ions with atomic hydrogen has been studied using the wave-packet continuum discretization approach. The three-body Schrödinger equation governing the collision process is solved using the two-center expansion of the total scattering wave function. Calculations have been performed for the projectile energy range from 1 keV/amu to 10 MeV/amu. While there is excellent agreement with experimental data for the total electron-capture cross section over the entire energy range, the calculated total ionization cross section slightly overestimates the only available measured point. The singly and doubly differential ionization cross sections at 1 and 2.5 MeV/amu are in good agreement with experiment. The differential cross section calculations are extended to lower energies where perturbative methods are expected to fail. At 100 keV/amu impact energy the present singly differential cross section in the ejected angle of the electron shows a pronounced peak in the forward direction. It is concluded that at low incident energies electron capture into the continuum of the projectile strongly enhances electron ejection in the forward direction.

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