Improved Laboratory Transition Probabilities for Sm ii and Application to the Samarium Abundances of the Sun and Three r ‐Process–rich, Metal‐poor Stars

J. E. Lawler; E. A. Den Hartog; C. Sneden; J. J. Cowan

Journal Article

Improved Laboratory Transition Probabilities for Sm ii and Application to the Samarium Abundances of the Sun and Three r ‐Process–rich, Metal‐poor Stars

Lawler J
Den Hartog E
Sneden C
et al.

The Astrophysical Journal Supplement Series (2006) 162(1) 227-260

DOI: 10.1086/498213

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Abstract

Radiative lifetimes, accurate to ¬±5%, have been measured for 212 odd-parity levels of Sm II using laser-induced fluorescence. The lifetimes are combined with branching fractions measured using Fourier transform spectrometry to determine transition probabilities for more than 900 lines of Sm

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Lawler, J. E., Den Hartog, E. A., Sneden, C., & Cowan, J. J. (2006). Improved Laboratory Transition Probabilities for Sm ii and Application to the Samarium Abundances of the Sun and Three r ‐Process–rich, Metal‐poor Stars. The Astrophysical Journal Supplement Series, 162(1), 227–260. https://doi.org/10.1086/498213

Improved Laboratory Transition Probabilities for Sm ii and Application to the Samarium Abundances of the Sun and Three r ‐Process–rich, Metal‐poor Stars

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