Branching fractions and A values in singly ionized tantalum (Ta II)

Details Branching fractions and A values in singly ionized tantalum (Ta II) Branching fractions and A values in singly ionized tantalum (Ta II)

Jan 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009a%26a...493..711q&link_type=abstract

Astronomy and Astrophysics, Volume 493, Issue 2, 2009, pp.711-719

Astronomy and Astrophysics

Astrophysics

2

Atomic Processes, Line: Identification

Scientific paper

Aims: We report on the theoretical and experimental lifetimes of Ta II, and calculated branching fractions for selected transitions. Methods: The theoretical data are obtained by means of a relativistic Hartree-Fock method with detailed attention to correlation effects. The experimental lifetimes are measured with the time-resolved, laser-induced, fluorescence technique. Results: The calculated results are in good agreement with both previously known and new experimental lifetimes. New transition probabilities have been deduced for a set of Ta II transitions of astrophysical interest.

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