Identification of the 13/2+ isomer in 199At
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The 13/2+ isomeric state in the 199At nucleus has been identified at an excitation energy of 573 keV and its half-life measured to be 580(130) ns using the recoil-decay tagging technique.
PACS. 21.10.Tg Lifetimes – 23.20.Lv Gamma transitions and level energies – 27.80.+w 190 ?A? 219
© Società Italiana di Fisica and Springer-Verlag 2000