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New information on medium-spin structure of 133Sb

Abstract : Excited states in the nucleus 133Sb, populated in the fission of 235U induced by thermal neutrons were studied using the Lohengrin fission-fragment separator. A new 4191.8 keV level in 133Sb, populated in the decay of the 16.6 μs isomer, was observed. The level is interpreted as the 11/2+ member of the πg7/2 * core configuration, predicted by the shell model at 4095 keV. Levels corresponding to octupole excitation of the 132Sn core, identified previously in prompt-γ measurement, were now observed in the isomeric decay.
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http://hal.in2p3.fr/in2p3-00371977
Contributor : Emmanuelle Vernay <>
Submitted on : Tuesday, March 31, 2009 - 8:51:33 AM
Last modification on : Thursday, November 19, 2020 - 12:58:51 PM

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W. Urban, A. Zlomaniec, G.S. Simpson, H. Faust, T. Rzaca-Urban, et al.. New information on medium-spin structure of 133Sb. Physical Review C, American Physical Society, 2009, 79, pp.037304. ⟨10.1103/PhysRevC.79.037304⟩. ⟨in2p3-00371977⟩

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