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Article Dans Une Revue Phys.Rev.C Année : 2017

Shell-model investigation of spectroscopic properties and collectivity in the nuclei beyond $^{132}\mathbf{Sn}$

Résumé

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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Dates et versions

hal-01645771 , version 1 (23-11-2017)

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H. Naïdja, F. Nowacki, B. Bounthong. Shell-model investigation of spectroscopic properties and collectivity in the nuclei beyond $^{132}\mathbf{Sn}$. Phys.Rev.C, 2017, 96 (3), pp.034312. ⟨10.1103/PhysRevC.96.034312⟩. ⟨hal-01645771⟩
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