Eur. Phys. J. D 1, 149-163 (1998)
https://doi.org/10.1007/s100530050075

Multiconfiguration Dirac-Fock calculation of 2s_1/2 - 2p_3/2 transition energies in highly ionized bismuth, thorium, and uranium

¹ Departamento de Física da Universidade Nova de Lisboa, Centro de Física Atómica da Universidade de Lisboa, Av. Prof. Gama Pinto 2, 1699 Lisboa Codex, Portugal
² Departamento de Física da Universidade de Lisboa, Centro de Física Atómica da Universidade de Lisboa, Av. Prof. Gama Pinto 2, 1699 Lisboa Codex, Portugal
³ Department of Atomic Physics, Stockholm University, 104 05 Stockholm, Sweden
⁴ Laboratoire Kastler-Brossel Ecole Normale Supérieure et Université Pierre et Marie Curie (Unité Associée au CNRS No. 18) , Boîte 74, 4 place Jussieu, 75252 Paris Cedex 05, France

Corresponding author: ^a paul@spectro.jussieu.fr

Received: 5 November 1997
Accepted: 8 December 1997
Published online: 15 February 1998

Abstract

Structure and QED effects for and levels are calculated for lithiumlike U⁸⁹⁺ trough neonlike U⁸²⁺, lithiumlike Th⁸⁷⁺ trough neonlike Th⁸⁰⁺ and lithiumlike Bi⁸⁰⁺ trough neonlike Bi⁷³⁺. The results of the first two sets are compared with recent measurements of the transition energy in 3 to 10-electron ions. Good agreement with experiment is found for most of the observed lines. Forty-one possible transitions are calculated for each ion in the eight ionization states, in the experimental energy range. Twenty-eight of these transitions have not been observed, nor calculated previously. We also calculate transition rates, branching ratios, excitation and ionization cross sections and confirm that the thirteen experimental observed transitions correspond to the ones with highest relative intensities. However, we find nineteen more transitions that could be measured in a more sensitive experiment.