Radiative constants in the spectra of ions of the erbium isoelectronic sequence |
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Authors: | A. V. Loginov V. I. Tuchkin |
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Affiliation: | (1) Vavilov State Optical Institute, All-Russia Scientific Center, St. Petersburg, 199034, Russia;(2) Institute of Physics, St. Petersburg State University, Peterhof, St. Petersburg, 198904, Russia |
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Abstract: | The probabilities of the 4f 136p→4f 135d lectric dipole transitions and the lifetimes of levels of the 4f 136p and 4f 135d configurations are calculated for spectra of ions Yb III, Lu IV, Hf V, and Ta VI of the erbium isoelectronic sequence. The wave functions of the intermediate coupling scheme, necessary for calculating the relative line strengths, are obtained semiempirically from experimentally measured energy intervals between fine-structure levels. To pass to the absolute values, the radial integrals of transitions, evaluated with the Hartree-Fock functions, are used. |
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