Journal article
Valence-shell double photoionization of alkaline-earth-metal atoms
Physical Review A - Atomic, Molecular, and Optical Physics, Vol.75(4)
2007
Abstract
We apply the convergent close-coupling formalism to describe direct double photoionization (DPI) of the valence n s2 shell of alkaline-earth-metal atoms: beryllium (n=2), magnesium (n=3), and calcium (n=4). We consider the range of photon energies below the onset of resonant and Auger ionization processes where the subvalent and core electrons can be treated as spectators. By comparing alkaline-earth-metal atoms with helium, we elucidate the role of the ground state and final ionized state correlations in DPI of various quasi-two-electron atoms.
Details
- Title
- Valence-shell double photoionization of alkaline-earth-metal atoms
- Authors/Creators
- A. Kheifets (Author/Creator) - Australian National UniversityI. Bray (Author/Creator) - Murdoch University
- Publication Details
- Physical Review A - Atomic, Molecular, and Optical Physics, Vol.75(4)
- Publisher
- The American Physical Society
- Identifiers
- 991005540930307891
- Copyright
- © 2007 The American Physical Society
- Murdoch Affiliation
- Centre for Atomic, Molecular and Surface Physics
- Language
- English
- Resource Type
- Journal article
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