Dracoulis, George; Lane, Gregory; Peatey, T.; Byrne, Aidan; Baxter, Allan; Davidson, Paul; Wilson, Anna; Kibedi, Tibor; Xu, Furong
The E3 decays of the 11- isomers in the isotopes Pb194 and Pb196 have been studied experimentally and evaluated in terms of configuration mixing due to the development of oblate deformation. New results include a remeasurement of the lifetime of the 11- isomer in Pb194 and clarification of the intensities of its main decay branches including the known 496 keV E3 branch. Its intensity is an order of magnitude weaker than previously reported, leading to an E3 transition strength of 29(4) W.u....[Show more]
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