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Physical mechanisms and scaling laws of K-shell double photoionization

Hoszowska, J.; Kheifets, Anatoli; Dousse, Jean-Claude; Berset, M; Bray, Igor; Cao, W; Fennane, K; Kavcic, M; Szlachetko, J; Szlachetko, M


We report on the photon energy dependence of the K-shell double photoionization (DPI) of Mg, Al, and Si. The DPI cross sections were derived from high-resolution measurements of x-ray spectra following the radiative decay of the K-shell double vacancy states. Our data evince the relative importance of the final-state electron-electron interaction to the DPI. By comparing the double-to-single K-shell photoionization cross-section ratios for neutral atoms with convergent close-coupling...[Show more]

CollectionsANU Research Publications
Date published: 2009-02-20
Type: Journal article
Source: Physical Review Letters
DOI: 10.1103/PhysRevLett.102.073006


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