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    Electron-impact excitation of molecular hydrogen

    Access Status
    Fulltext not available
    Authors
    Zammit, M.
    Savage, J.
    Fursa, Dmitry
    Bray, Igor
    Date
    2017
    Type
    Journal Article
    
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    Citation
    Zammit, M. and Savage, J. and Fursa, D. and Bray, I. 2017. Electron-impact excitation of molecular hydrogen. Physical Review A. 95 (2): pp. 022708-1-17.
    Source Title
    Physical Review A
    DOI
    10.1103/PhysRevA.95.022708
    ISSN
    1050-2947
    School
    Department of Physics and Astronomy
    URI
    http://hdl.handle.net/20.500.11937/50204
    Collection
    • Curtin Research Publications
    Abstract

    We report the electron impact integrated and differential cross sections for excitation to the b 3Σ+ u , a 3Σ + g , c 3Π u , B 1Σ + u , E, F 1Σ + g , C 1Π u , e 3Σ + u , h 3Σ+ g , d 3Π u , B’ 1Σ + u , D 1Π u , B’’ 1Σ + u ,and D’ 1Π u states of molecular hydrogen in the energy range from 10 to 300 eV. Total scattering and total ionization cross sections are also presented. The calculations have been performed by using the convergent close-coupling method within the fixed-nuclei approximation. Detailed convergence studies have been performed with respect to the size of the close-coupling expansion and a set of recommended cross sections has been produced. Significant differences with previous calculations are found. Agreement with experiment is mixed, ranging from excellent to poor depending on the transition and incident energies.

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