The essential role of many-electron Auger transitions in the cascades following the photoionization of 3p and 3d shells of Kr

Using the relativistic configuration interaction method it is shown that many-electron Auger transitions -discrete double Auger effect and hypersatellite Auger transitions -play an essential and even dominant role in the de-excitation of 3d-1 and 3p-1 vacancy states in Kr. Also various other many-el...

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Bibliographic Details
Published in:Journal of physics. B, Atomic, molecular, and optical physics Atomic, molecular, and optical physics, 2008-11, Vol.41 (21), p.215005-215005 (5)
Main Authors: Jonauskas, V, Karazija, R, Kučas, S
Format: Article
Language:English
Subjects:
Atomic and molecular physics
Atomic properties and interactions with photons
Auger effect and inner-shell excitation or ionization
Exact sciences and technology
Photon interactions with atoms
Physics
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Summary:Using the relativistic configuration interaction method it is shown that many-electron Auger transitions -discrete double Auger effect and hypersatellite Auger transitions -play an essential and even dominant role in the de-excitation of 3d-1 and 3p-1 vacancy states in Kr. Also various other many-electron Auger transitions (transitions with a shift of vacancy into a deeper shell as well as triple Auger transitions and hypersatellite Auger transitions with additional excitation of electrons) manifest themselves during the cascades due to the correlation effects and appearance of configurations with several vacancies. Good correspondence with the branching ratios of ions measured by the coincidence technique is obtained, and thus the existing discrepancy with the previous calculation results is removed.
ISSN:0953-4075
1361-6455
DOI:10.1088/0953-4075/41/21/215005