- Conference date: 30 July-2 August 2003
- Location: Konigstein (Germany)
Convergent close‐coupling (CCC) theory, originally developed to describe electron‐atom collisions, was applied, with a great success, to atomic double photoionization (DPI). DPI from He and its isoelectronic sequence had been studied extensively and prediction of the theory in most cases had been confirmed experimentally. Here we present latest applications of the CCC method to DPI which go beyond simple helium‐like targets. The frozen‐core approximation is used to describe DPI from the valence shell of Be and heavier alkaline‐earth atoms as well as the outermost np 6 subshell of noble gases. A “hybrid” model combining a target‐specific ground state and a He‐like final state is employed to describe DPI from subvalent 2s 2 shell of Ar and the H2 molecule. Various shake‐off models are introduced to deal with triple photoionization of Li and Be.
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