The level structure of atomic lutetium (Z=71): a relativistic Hartree-Fock calculation

Abstract

We have calculated relativistic energies, Land, factors and lifetimes for 5d6s (2), 5d (2)6s, 6s (2) ns (n = 7-14), 6s (2) nd (n = 6-25), 6s (2) ng (n = 5-7), 6s (2) np (n = 6-25), 5d6s6p and 6s (2) nf (n = 5-23) excited levels outside the core [Xe]4f(14) in neutral lutetium (Z = 71) using Cowan's relativistic Hartree-Fock (HFR) method. The results obtained have been compared with other calculations and experiments.