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    Kinetic-energy release of fragments from electron-impact dissociation of the molecular hydrogen ion and its isotopologues

    Access Status
    Fulltext not available
    Authors
    Scarlett, L.
    Zammit, M.
    Fursa, Dmitry
    Bray, Igor
    Date
    2017
    Type
    Journal Article
    
    Metadata
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    Citation
    Scarlett, L. and Zammit, M. and Fursa, D. and Bray, I. 2017. Kinetic-energy release of fragments from electron-impact dissociation of the molecular hydrogen ion and its isotopologues. Physical Review A. 96 (2): Article ID 022706.
    Source Title
    Physical Review A
    DOI
    10.1103/PhysRevA.96.022706
    ISSN
    2469-9926
    School
    Department of Physics and Astronomy
    URI
    http://hdl.handle.net/20.500.11937/60944
    Collection
    • Curtin Research Publications
    Abstract

    We calculate the kinetic-energy release distributions of fragments produced for electron-impact dissociation of the vibrationally excited molecular hydrogen ion H2+ and its isotopologues D2+ and T2+. Here we apply the adiabatic-nuclei convergent close-coupling method and compare results with several different methods, including the δ approximation. Results are presented for a number of dissociative excitation transitions and dissociative ionization as a function of the initial vibrational state of the molecule. We confirm that the square root approximation is a good approximation for the adiabatic-nuclei kinetic-energy release cross sections of H2+. Agreement with experiment, where available, is good.

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