Abstract

Absolute atomic transition probabilities for emission lines from 70 levels in Sc i and Sc ii are reported. The transition probabilities are from emission branching ratios measured using the 1.0-m Fourier-transform spectrometer at the National Solar Observatory. Radiative lifetimes, measured using time-resolved laser-induced fluorescence, provide the normalization for converting the branching ratios to absolute transition probabilities. These results are compared with other experimental and theoretical transition probabilities.

© 1989 Optical Society of America

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