Abstract

Radiative lifetimes have been reported for 32 odd-parity levels of neutral lanthanum using a time-resolved laser-induced fluorescence technique in an atomic beam produced by laser ablation. The energies of these levels are in the range of 23,874 to 37,982 cm1. Among the measured results, to the best of our knowledge, 23 lifetimes are reported for the first time. These lifetime values obtained in this paper, generally with uncertainties less than ±10%, are in the range of 7.3 to 247ns. These results are in good agreement with previously reported data within the experimental errors.

© 2011 Optical Society of America

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