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Multiconfiguration calculations of electronic isotope-shift factors in Zn i

par Filippin, Livio ;Bieroń, Jacek;Gaigalas, Gediminas;Godefroid, Michel ;Jönsson, Per
Référence Physical Review A, 96, 4, 042502
Publication Publié, 2017-10

Article révisé par les pairs

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Résumé :

The present work reports results from systematic multiconfiguration Dirac-Hartree-Fock calculations of electronic isotope-shift factors for a set of transitions between low-lying states in neutral zinc. These electronic quantities, together with observed isotope shifts between different pairs of isotopes, provide the changes in mean-square charge radii of the atomic nuclei. Within this computational approach, different models for electron correlation are explored in a systematic way to determine a reliable computational strategy and to estimate theoretical error bars of the isotope-shift factors.