Lifetimes in SM II and the solar abundance of samarium

Details Lifetimes in SM II and the solar abundance of samarium Lifetimes in SM II and the solar abundance of samarium

Sep 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989a%26a...222..307b&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 222, no. 1-2, Sept. 1989, p. 307-310.

Astronomy and Astrophysics

Astrophysics

35

Abundance, Photosphere, Radiative Lifetime, Samarium Isotopes, Solar Spectra, Laser Induced Fluorescence, Nuclear Fusion, Oscillator Strengths, Transition Probabilities

Scientific paper

Radiative lifetimes for 35 levels of Sm II have been measured by laser-induced fluorescence from sputtered metal vapor. Oscillator strengths for a number of lines of solar interest have been determined by combining the lifetime data with branching ratios taken mainly from the NBS tables. The mean solar abundance of samarium deduced from a sample of 26 lines is A(Sm) = 1.01 + or - 0.06, where A(Sm) = log N(Sm)/N(H) with log N(H) = 12.00, in agreement with the meteoritic value.

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