Abstract

The combined relativistic energy approach and relativistic many-body perturbation theory with the zeroth order ab initio model potential optimized one-particle representation are used for precise computing the energy levels and radiative decay probabilities (radiation amplitudes) of heavy alkali elements, in particular, there are listed data for the 7s1/2 – np1/2,3/2, np1/2,3/2-nd3/2,5/2 (n=7-10) transitions in Fr and some E1 and E2 transitions in a single ionized Hg+ atom. The comparison of the calculated values with available theoretical and experimental (compillated) data is performed..

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