Theoretical determination of oscillator strengths for the principal series of rubidium-like ions by the Dirac-Fock method |
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Authors: | V. A. Zilitis |
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Affiliation: | (1) Institute of Mathematics and Computer Science, University of Latvia, Riga, LV-1459, Latvia |
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Abstract: | A simple formula that allows the determination of the oscillator strengths for all transitions of principal series of the Rb-like ions is obtained from the relationship between the oscillator strengths and the corresponding photoionization cross sections. The photoionization cross sections are calculated by the Dirac-Fock method with allowance for the retardation and approximated by an analytic formula. The data for ten ions of the rubidium isoelectronic sequence (from Sr+ to Ag10+) are presented. Two types of gauges corresponding to the transition operators in length and velocity forms are considered. |
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