Existence of a Po2 excited state for the e+Ca system

Michael Bromley, James Mitroy

    Research output: Contribution to journalArticlepeer-review


    The configuration interaction method is used to demonstrate that there is an electronically stable state of positronic calcium with an orbital angular momentum of L=1. This prediction relies on the use of an asymptotic series to estimate the variational limit of the energy. The best estimate of the binding energy is 37meV. A discussion of the structure of the system is also presented. � 2006 The American Physical Society.
    Original languageEnglish
    Pages (from-to)183402-183406
    Number of pages5
    JournalPhysical Review Letters
    Issue number18
    Publication statusPublished - 2006


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