Frozen-core model of the double photoionization of beryllium

A. S. Kheifets, Igor Bray

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    59 Citations (Scopus)


    The integrated and fully differential cross sections of the DPI (double photoionization) of beryllium (Be) in the frozen-core approximation were presented. The photon-energy dependence of the total ionization excitation and the double ionization cross sections in Be resembled that of helium (He). Various singly and doubly ionized channels were represented by a near-complete set of negative and positive energy pseudostates.

    Original languageEnglish
    Article number012710
    Pages (from-to)127101-127106
    Number of pages6
    JournalPhysical Review A
    Issue number1
    Publication statusPublished - Jan 2002


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