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Journal Articles Physical Review C Year : 2007

New information on excited states below the µs isomer in $^{136}$Sb

Abstract

New experimental information has been obtained on the µs isomeric cascade in the very neutron-rich 136Sb using gamma-ray and conversion-electron spectroscopy at the Lohengrin mass spectrometer of the Institut Laue-Langevin. Two new transitions have been observed and their multipolarities determined, resolving the question of the origin of the isomerism. The new level scheme is in good agreement with predictions of a realistic shell-model calculation. The isomeric state is tentatively assigned a spin and parity of 6- and a proposed pig7/2nu(f7/2)3 dominant configuration.
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in2p3-00185846 , version 1 (07-11-2007)

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G.S. Simpson, J.C. Angélique, J. Genevey, J.A. Pinston, A. Covello, et al.. New information on excited states below the µs isomer in $^{136}$Sb. Physical Review C, 2007, 76, pp.041303(R). ⟨10.1103/PhysRevC.76.041303⟩. ⟨in2p3-00185846⟩
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