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    Antiproton stopping in atomic targets

    Access Status
    Fulltext not available
    Authors
    Bailey, J.
    Kadyrov, Alisher
    Abdurakhmanov, Ilkhom
    Fursa, Dmitry
    Bray, Igor
    Date
    2015
    Type
    Journal Article
    
    Metadata
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    Citation
    Bailey, J. and Kadyrov, A. and Abdurakhmanov, I. and Fursa, D. and Bray, I. 2015. Antiproton stopping in atomic targets. Physical Review A - Atomic, Molecular, and Optical Physics. 92 (2): Article ID 022707.
    Source Title
    Physical Review A - Atomic, Molecular, and Optical Physics
    DOI
    10.1103/PhysRevA.92.022707
    ISSN
    1050-2947
    School
    Department of Physics and Astronomy
    URI
    http://hdl.handle.net/20.500.11937/33878
    Collection
    • Curtin Research Publications
    Abstract

    © 2015 American Physical Society. ©2015 American Physical Society. Stopping powers of antiprotons in H, He, Ne, Ar, Kr, and Xe targets are calculated using a semiclassical time-dependent convergent close-coupling method. The helium target is treated using both frozen-core and multiconfiguration approximations. The electron-electron correlation of the target is fully accounted for in both cases. Double ionization and ionization with excitation channels are taken into account using an independent-event model. The Ne, Ar, Kr, and Xe atom wave functions are described in a model of six p-shell electrons above a frozen Hartree-Fock core with only one-electron excitations from the outer p shell allowed. Results obtained for helium in the multiconfiguration treatment are in better agreement with experimental measurements than other theories.

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