| Abstrakt: |
A survey of hyperfine analyses in the low-lying configurations 4 f6 s, 4 f5 d6 s, 4 f6 s6 p, and 4 f 5 d6 s of the lanthanides is given. Experimental hf radial integrals 〈 r〉 are indicated for the configurations under investigation. From a comparison of experimental and theoretical hf radial integrals configuration-interaction contributions Δ to the hfs have been evaluated for the configurations for which corresponding integrals were available. With nuclear electric quadrupole moments from muonic x-ray investigations and radial integrals 〈 r〉 and 〈 r〉 from experimental hfs quadrupole shielding corrections R have been obtained. The variation of hyperfine radial integrals, configuration-interaction contributions and quadrupole shielding corrections over the 4 f shell in the configurations under study is discussed. Trends of these quantities in different configurations are compared. [ABSTRACT FROM AUTHOR] |
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