Astronomy and Astrophysics – Astrophysics
Scientific paper
Jun 2006
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006a%26a...452..357x&link_type=abstract
Astronomy and Astrophysics, Volume 452, Issue 1, June II 2006, pp.357-362
Astronomy and Astrophysics
Astrophysics
11
Atomic Data, Techniques: Spectroscopic, Stars: Abundances
Scientific paper
Transition probabilities have been derived for 20 5s-5p transitions of Pd I from a combination of radiative lifetime measurements for 6 odd-parity levels with time-resolved laser-induced fluorescence spectroscopy and of branching fraction determination using a hollow cathode discharge lamp. Additional oscillator strengths for 18 transitions have been determined from measured lifetimes and theoretical branching fractions obtained from configuration interaction calculations with core-polarization effects included. These new results have allowed us to refine the palladium abundance in the solar photosphere: A_Pd = 1.66 ± 0.04, in the usual logarithmic scale, a result in close agreement with the meteoritic value.
Biémont É.
Dai Z. W.
Jiang Z. K.
Palmeri Patrick
Quinet Pascal
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