Energy levels and lifetimes for the 2p53snl core-excited states in Na
- 14 November 1993
- journal article
- Published by IOP Publishing in Journal of Physics B: Atomic, Molecular and Optical Physics
- Vol. 26 (21) , 3765-3782
- https://doi.org/10.1088/0953-4075/26/21/013
Abstract
Systematic calculations of energies and decay rates for the 2p53snl core-excited states (with n6nl levels and to the lower core-excited states as well as autoionization. Both correlational and relativistic effects play an important role, as expected, but in addition it was found that the non-orthogonality of bound and continuum orbitals, being a result of core excitation, is also very important in evaluating of autoionization rates. The predicted lifetimes are analysed with respect to their 'quasimetastability', which has recently attracted great attention in atomic spectroscopy and in the construction of XUV lasers.Keywords
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