Radiative lifetimes in Co I

Abstract

New radiative-lifetime measurements based on time-resolved laser-induced fluorescence are reported for 133 odd-parity and 2 even-parity levels of Co i, ranging in energy from 28 300 to 59 400 cm–1. Our lifetimes agree with earlier, but much less extensive, lifetime measurements based on laser-induced fluorescence. Satisfactory agreement is also found with the critical compilation of atomic transition probabilities from the U.S. National Bureau of Standards [ J. Phys. Chem. Ref. Data17, Suppl 4 ( 1988)]. Our measurements provide a reliable absolute normalization for a much more comprehensive determination of Co i atomic transition probabilities.