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    Convergent close-coupling approach to positron scattering on He+

    Access Status
    Fulltext not available
    Authors
    Rawlins, C.
    Kadyrov, Alisher
    Bray, Igor
    Date
    2018
    Type
    Journal Article
    
    Metadata
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    Citation
    Rawlins, C. and Kadyrov, A. and Bray, I. 2018. Convergent close-coupling approach to positron scattering on He+. European Physical Journal D. 72 (4).
    Source Title
    European Physical Journal D
    DOI
    10.1140/epjd/e2018-80615-0
    ISSN
    1434-6060
    School
    School of Electrical Engineering, Computing and Mathematical Science (EECMS)
    URI
    http://hdl.handle.net/20.500.11937/69007
    Collection
    • Curtin Research Publications
    Abstract

    © 2018, EDP Sciences, SIF, Springer-Verlag GmbH Germany, part of Springer Nature. Abstract: A close-coupling method is used to generate electron-loss and total scattering cross sections for the first three partial waves with both a single-centre and two-centre expansion of the scattering wave function for positron scattering on He+. The two expansions are consistent with each other above the ionisation threshold verifying newly-developed positronium-formation matrix elements. Below the positronium-formation threshold both the single- and two-centre results agree with the elastic-scattering cross sections generated from the phase shifts reported in previous calculations. Graphical abstract: [Figure not available: see fulltext.].

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