Abstract
Gamma rays and conversion electrons have been measured in211Bi populated by the209Bi(t,p) reaction, and the near yrast levels were observed up to 21/2−. The 21/2− state is isomeric withT 1/2=70(5) ns. No alpha decaying isomer was found in211Bi. ObservedM1 transitions reveal mixing of the210Pb parent states in the levels of211Bi. The levels and transitions are well reproduced by the shell model with experimental matrix elements and pure configurations.
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This work was performed by the Lawrence Livermore National Laboratory supported in part by the United States Department of Energy under Contract No. W-7405-Eng-48.
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Maier, K.H., Aprahamian, A., Becker, J.A. et al. Decay of the 21/2− isomer in211Bi and structure of thevg 2/29 πh 9/2 levels. Z. Physik A - Atomic Nuclei 332, 263–268 (1989). https://doi.org/10.1007/BF01295455
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DOI: https://doi.org/10.1007/BF01295455