Experimental investigation of excited-state lifetimes in atomic ytterbium

Abstract
Lifetimes of 21 excited states in atomic Yb were measured using time-resolved fluorescence detection following pulsed laser excitation. The lifetime of the 4f145d6s3 D1 state, which is of particular importance for a proposed study of parity nonconservation in atoms, was measured to be 380(30) ns. © 1996 The American Physical Society.