van der Waals coefficients for positronium-atom interactions

James Mitroy, Michael Bromley

    Research output: Contribution to journalArticle

    Abstract

    Estimates of the van der Waals coefficient C6 were made for various Ps-atom systems. Results for H and He are effectively exact and reproduce earlier calcualtions. It was emphasized that the C6 parameters for the rare gases and alkali-metal atoms should also be reliable with an expected uncertainty of 1-2%.
    Original languageEnglish
    Pages (from-to)35201.1-35201.3
    JournalPhysical Review A - Atomic, Molecular, and Optical Physics
    Volume68
    Issue number3
    Publication statusPublished - 2003

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