Shell-model investigation of spectroscopic properties and collectivity in the nuclei beyond Sn132

H. Naïdja, F. Nowacki, and B. Bounthong
Phys. Rev. C 96, 034312 – Published 13 September 2017

Abstract

The recent shell-model results of even-even chains of nuclei: Te134,136,138,Xe136,138,140,Ba138,140,142,Ce140,142,144, and Nd142,144,146 are explored in this manuscript. The low-lying states energies, E2 and M1 transitions, are investigated using the same effective interaction based on the realistic effective field theory potential N3LO. Significant quadrupole correlations appear in the N=86 isotonic chain, with the signature of nonaxial γband. This class of collectivity is interpreted within the SU(3) symmetries scheme and confirmed by constrained Hartree-Fock shell-model calculations.

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  • Received 20 June 2017

DOI:https://doi.org/10.1103/PhysRevC.96.034312

©2017 American Physical Society

Physics Subject Headings (PhySH)

Nuclear Physics

Authors & Affiliations

H. Naïdja1,2,3, F. Nowacki1, and B. Bounthong1

  • 1Université de Strasbourg, CNRS, IPHC UMR 7178, F-67000 Strasbourg, France
  • 2GSI Helmholtzzentrum für Schwerionenforschung GmbH, 64291 Darmstadt, Germany
  • 3Université Constantine 1, LPMS, route Ain El Bey 25000 Constantine, Algeria

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Issue

Vol. 96, Iss. 3 — September 2017

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