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Title: First Glimpse of the N= 82 Shell Closure below Z= 50 from Masses of Neutron-Rich Cadmium Isotopes and Isomers
Author: Manea, V.
Karthein, J.
Atanasov, D.
Bender, M.
Blaum, K.
Cocolios, T. E.
Eliseev, S.
Herlert, A.
Holt, J. D.
Huang, W. J.
Litvinov, Yu. A.
Lunney, D.
Menéndez Sánchez, Javier
Mougeot, M.
Neidherr, D.
Schweikhard, L.
Schwenk, A.
Simonis, J.
Welker, A.
Wienholtz, F.
Zuber, K.
Keywords: Espectroscòpia nuclear
Nuclear spectroscopy
Issue Date: 5-Mar-2020
Publisher: American Physical Society
Abstract: We probe the N = 82 nuclear shell closure by mass measurements of neutron-rich cadmium isotopes with the ISOLTRAP spectrometer at ISOLDE-CERN. The new mass of 132 Cd offers the first value of the N = 82 , two-neutron shell gap below Z = 50 and confirms the phenomenon of mutually enhanced magicity at 132 Sn . Using the recently implemented phase-imaging ion-cyclotron-resonance method, the ordering of the low-lying isomers in 129 Cd and their energies are determined. The new experimental findings are used to test large-scale shell-model, mean-field, and beyond-mean-field calculations, as well as the ab initio valence-space in-medium similarity renormalization group.
Note: Reproducció del document publicat a:
It is part of: Physical Review Letters, 2020, vol. 124, num. 9, p. 092502
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ISSN: 0031-9007
Appears in Collections:Articles publicats en revistes (Física Quàntica i Astrofísica)

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