First signs of collectivity in N = 86 and 88 isotones above 132Sn
Université de Strasbourg, CNRS, IPHC UMR 7178, F-67000 Strasbourg, France
2 Université Constantine 1, LPMPS, route Ain El Bey 25000 Constantine, Algeria
Published online: 14 November 2018
Within the shell-model framework the low-lying states energies, E2 and M1 transitions of chains of nuclei 52 ≤ Z ≤ 60 with 82 ≤ N ≤ 88 are investigated. We use the N3LOP effective interaction derived from Effective Field Theory Potentials and phenomenologically constrained. We noticed clear collective features in N = 86 and 88 isotones, with signature of triaxial γ-bands.
© The Authors, published by EDP Sciences, 2018
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