P. Jönsson, P. Bengtsson, J. Ekman, S. Gustafsson, L.B. Karlsson, G. Gaigalas, C. Froese Fischer, D. Kato, I. Murakami, H.A. Sakaue, H. Hara, T. Watanabe, N. Nakamura, N. Yamamoto


Relativistic CI Calculations of Spectroscopic Data for the 2p6 and 2p53l Configurations in Ne-like Ions between Mg III and Kr XXVII

Date of publication:

Oct. 04, 2011

Key words:

Ne-like ions, energy structure, transition rates, radiative life times, fine-structure, relativistic configuration interaction, MCDHF


Energies, E1, M1, E2, M2 transition rates, oscillator strengths, and lifetimes from relativistic configuration interaction calculations are reported for the states of the 2p6, 2p53s, 2p53p, and 2p53d, configurations in all Ne-like ions between Mg III and Kr XXVII. Core-valence and core-core correlation effects are accounted for through SD-expansions to increasing sets of active orbitals. The Breit interaction and leading QED effects are included as perturbations. The results are compared with experiments and other recent benchmark calculations. In Mg III, Al IV, Si V, P VI, S VII, and Ar IX, for which experimental energies are known to high accuracy, the mean error in the calculated energies is only 0.011%.
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