Radiative lifetimes in La III and oscillator strengths in La III and Lu III
E. Biémont, Z.S. Li, P. Palmeri and P. Quinet
J. Phys. B: At. Mol. Opt. Phys. 32, 3409-3419 (1999)
New radiative lifetime measurements performed with time-resolved laser
spectroscopy for the 6p1/2 and 6p3/2 levels of
La III provide a unique opportunity for testing the adequacy of the
relativistic Hartree-Fock approach for atomic structure calculations
in this ion. As a consequence of the comparison, an extensive set of
accurate f-values is provided for many La III and Lu III UV and visible
transitions of astrophysical interest.
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