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Levels in ' '' ' Sm were populated by the beta decay of Eu, following (HI, pxn) reactions and on-line mass separation. The beta decay of " Eu with a half-life of 3.9(+0.5j s was observed for the first time. Members of the y band were observed in all three daughter nuclei. Spectroscopic calculations were made using the triaxial rotor model, with all parameters derived microscopically from a Woods-Saxon deformed shell model. Other spectroscopic models were also considered.Comparison with the data supports the characterization of these nuclei in terms of a triaxial intrinsic shape,

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