The probabilities of radiative transitions and lifetimes of levels in the spectra of Cu XX,La IV |
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Authors: | A V Loginov |
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Institution: | 1.Russian State Hydrometeorological University,St. Petersburg,Russia;2.Emperor Alexander I St. Petersburg State Transport University,St. Petersburg,Russia |
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Abstract: | The probabilities of radiative electric dipole transitions 2p 53p, 2p 6–2p 53s, and 2p 53d in the spectrum of neon-like copper Cu XX and 5p 56p, 5p 6–5p 56s, 5p 57s, and 5p 55d in the spectrum of xenon-like lanthanum La IV are calculated. The wave functions of the intermediate coupling were found from the wellknown experimental energy levels by the least-squares method (LSM). To transfer to an absolute scale the radial integrals for the transitions calculated in the form of a length on the Hartree–Fock functions have been used. By summing the calculated probabilities of the transitions, the lifetimes of the levels of configurations 2p 53s, 2p 53p, and 2p 53d in the spectrum of Cu XX and levels of configurations 5p 56s, 5p 56p, and 5p 57s in the spectrum of La IV have been obtained. |
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