Calculation of hyperfine structure constants for ytterbium

Abstract

We calculate energies and hyperfine structure constants A and B for low-lying levels of ${}^{173}$Yb. The latter is treated as a two-electron atom. To account for valence-valence correlations the configuration interaction method is used. Valence-core correlations are accounted for within the many-body perturbation theory which is used to construct effective two-electron operators in the valence space.

8 pages, latex, iopart class or ioplppt style, submitted to J. Phys. B

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