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Relativistic calculations of the energies of the low-lying 1sns, 1snp, 1snd states and the probabilities of the one-photon 1snl-> 1sn'l' transitions in heliumlike uranium
Russian version
DOI: 10.61011/EOS.2023.03.56178.4569-22
Dulaev N. K.1,2, Kaygorodov M. Y.1, Malyshev A. V.1, Tupitsyn I. I.1, Shabaev V. M.1,2
1St. Petersburg State University, St. Petersburg, Russia
2National Research Center “Kurchatov Institute”, Moscow, Russia
Email: st069071@student.spbu.ru
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For heliumlike uranium, the energies of the singly-excited 1sns, 1snp, and 1snd states with n≤ 4 and the probabilities of the one-photon 1s3d-> 1s2p, 1s3p-> 1s2s, 1s3p-> 1s2p and 1s4d-> 1s2p transitions are evaluated. The calculations are performed within the Breit approximation using the configuration-interaction method in the basis of the Dirac-Fock-Sturm orbitals. The QED corrections to the energy levels are calculated employing the model-QED-operator approach. The nuclear recoil, frequency-dependent Breit-interaction, nuclear polarization, and nuclear deformation corrections are taken into account as well. Keywords: DOI: 10.61011/EOS.2023.03.56178.4569-22
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