Positron scattering from neon and argon

Joshua Machacek, Robert McEachran

    Research output: Contribution to journalArticlepeer-review

    Abstract

    The relativistic optical potential method has been used to calculate a complete set of cross sections for positron scattering from neon and argon in the energy range from zero to 1 keV. Elastic, positronium formation, excitation, direct ionization, and grand total cross sections are presented and compared to the recommended results of Ratnavelu et al. (J Phys Chem Ref Data 48:023102, 2019). Here, positronium formation is modeled as an ionization process by successively lowering the ionization thresholds. This process was carried out for the four lowest energy levels of positronium.
    Original languageEnglish
    JournalEuropean Physical Journal D: Atomic, Molecular, Optical and Plasma Physics
    Volume78
    Issue number21
    Publication statusPublished - 2024

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