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Transition wavelengths and probabilities for spectral lines of Zr III |
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| Authors: | M. C. Martins J. P. Santos A. M. Costa F. Parente |
| Affiliation: | (1) Departamento Física, Faculdade de Ciências, Universidade de Lisboa, Campo Grande, 1749-016 Lisboa, Portugal;(2) Centro de Física Atómica da Universidade de Lisboa, Av. Prof. Gama Pinto 2, 1649-003 Lisboa, Portugal;(3) Departamento de Física, Faculdade de Ciências e Tecnologia, Universidade Nova de Lisboa, Monte de Caparica, 2825-114 Caparica, Portugal |
| Abstract: | Wavelengths and oscillator strengths for all 4d4f↦4d2 dipole-allowed fine-structure transitions in Zr III have been calculated within the Multi-Configuration Dirac-Fock method with QED corrections. These transitions are included in the spectrum of some chemically peculiar stars, like the B-type star χ Lupi observed by the Hubble space telescope. The results are compared to existing experimental and semi-empirical data. |
| Keywords: | 31.25.Jf Electron correlation calculations for atoms and ions: excited states 32.30.Jc Visible and ultraviolet spectra 32.70.Cs Oscillator strengths, lifetimes, transition moments |
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