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

We have calculated relativistic energies, Landé factors and lifetimes for 5 d 6 s 2 , 5 d 2 6 s , 6 s 2 ns ( n = 7–14), 6 s 2 nd ( n = 6–25), 6 s 2 ng (n = 5–7), 6 s 2 np ( n = 6–25), 5 d 6 s 6 p and 6 s 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.