A new μs isomer in 136Sb produced in the projectile fission of 238U

作者： M.N. Mineva , M. Hellström , M. Bernas , J. Gerl , H. Grawe

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摘要: The neutron-rich isotope 136Sb has been produced following the relativistic projectile fission of 238U in an experiment performed at Fragment Separator GSI, Darmstadt. Delayed γ-ray spectroscopy products after separation. A new isomeric state populated, and its lifetime measured as T1/2 = 565(50) ns. Realistic empirical shell-model calculations have are compared to experimental observables.