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High-spin structures of 3688Kr52 and 3789Rb52: Evolution from collective to single-particle behavior

Abstract : The high-spin states of the two neutron-rich nuclei 88Kr52 and 89Rb52 have been studied from the 18O+208Pb fusion-fission reaction. Their level schemes were built from triple γ-ray coincidence data, and γ-γ angular correlations were analyzed in order to assign spin and parity values to most of the observed states. The two level schemes evolve from collective structures to single-particle excitations as a function of the excitation energy. Comparison with results of shell-model calculations gives the specific proton and neutron configurations which are involved to generate the angular momentum along the yrast lines.
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http://hal.in2p3.fr/in2p3-00912874
Contributor : Sophie Heurteau <>
Submitted on : Monday, December 2, 2013 - 5:20:09 PM
Last modification on : Friday, November 20, 2020 - 9:46:03 AM

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A. Astier, M. G. Porquet, Ts. Venkova, G. Duchêne, F. Azaiez, et al.. High-spin structures of 3688Kr52 and 3789Rb52: Evolution from collective to single-particle behavior. Physical Review C, American Physical Society, 2013, 88, pp.024321. ⟨10.1103/PhysRevC.88.024321⟩. ⟨in2p3-00912874⟩

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