Abstract
The lifetime of the lithium 2p 2 P states has been measured with high accuracy using the delayed coincidence technique with a continuous mode-locked dye laser as the source of the excitation light. The value 27.22 (0.20) ns was obtained. In addition, the hyperfine structure of the7Li 2p 2 P 3/2 state, which can normally scarcely be resolved, has been studied by recording the slow quantum beats at zero field and the very fast beats in the Paschen-Back regime. New accurate values for the23Na 3p 2 P 3/2 state hyperfine structure constants are also presented.
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