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Core-polarization effects in the cadmium isoelectronic sequence

par Biémont, Emile;Froese Fischer, Charlotte ;Godefroid, Michel ;Palmeri, Patrick;Quinet, Pascal
Référence Physical review. A, Atomic, Molecular, and Optical Physics, 62
Publication Publié, 2000

Article révisé par les pairs

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Résumé :

The oscillator strengths of the allowed and spin-forbidden [Formula Presented] transitions in the cadmium isoelectronic sequence are evaluated for [Formula Presented] using the relativistic Hartree-Fock approach, including a core-polarization potential, and the multiconfiguration Dirac-Fock method, taking the valence and core-valence correlation effects into account. A good agreement is noted when comparing the two sets of theoretical data and when comparing theory with experiment for the spin-forbidden transition. The discrepancies observed between theory (both theories being in agreement) and experiment for the singlet-singlet transition indicate that some experimental data are in need of revision. © 2000 The American Physical Society.