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Title: Coulomb excitation of neutron-rich Zn isotopes: First observation of the 2(1)(+) state in Zn-80
Authors: Van de Walle, Jarno ×
Aksouh, F
Ames, F
Behrens, Thomas
Bildstein, V
Blazhev, Andrei
Cederkaell, Joakim
Clement, Emmanuel
Cocolios, Thomas Elias
Davinson, T
Delahaye, Pierre
Eberth, J
Ekstrom, Andreas
Fedorov, Dima V
Fedosseev, Valentin N
Fraile, Luis M
Franchoo, Serge
Gernhauser, R
Georgiev, Georgi
Habs, D
Heyde, Kris
Huber, Gerard
Huyse, Marc
Ibrahim, F
Ivanov, Oleg
Iwanicki, J
Jolie, J
Kester, O
Koester, Ulli
Kroell, T
Kruecken, R
Lauer, M
Lisetskiy, A. F
Lutter, R
Marsh, Bruce A
Mayet, Pascale
Niedermaier, Oliver
Nilsson, T
Pantea, M
Perru, O
Raabe, Riccardo
Reiter, P
Sawicka, Maria
Scheit, H
Schrieder, G
Schwalm, D
Seliverstov, Maxim D
Sieber, T
Sletten, G
Smirnova, N
Stanoiu, M
Stefanescu, Irina
Thomas, Jean-Charles
Valiente-Dobon, J. J
Van Duppen, Piet
Verney, D
Voulot, D
Warr, N
Weisshaar, D
Wenander, Frederik
Wolf, B. H
Zielinska, Maria #
Issue Date: Oct-2007
Publisher: Amer physical soc
Series Title: Physical Review Letters vol:99 issue:14 pages:1-4
Article number: 142501
Abstract: Neutron-rich, radioactive Zn isotopes were investigated at the Radioactive Ion Beam facility REX-ISOLDE (CERN) using low-energy Coulomb excitation. The energy of the 2(1)(+) state in Zn-78 could be firmly established and for the first time the 2(+)-> 0(1)(+) transition in Zn-80 was observed at 1492(1) keV. B(E2,2(1)(+)-> 0(1)(+)) values were extracted for Zn-74,Zn-76,Zn-78,Zn-80 and compared to large scale shell model calculations. With only two protons outside the Z=28 proton core, Zn-80 is the lightest N=50 isotone for which spectroscopic information has been obtained to date. Two sets of advanced shell model calculations reproduce the observed B(E2) systematics. The results for N=50 isotones indicate a good N=50 shell closure and a strong Z=28 proton core polarization. The new results serve as benchmarks to establish theoretical models, predicting the nuclear properties of the doubly magic nucleus Ni-78.
ISSN: 0031-9007
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Nuclear and Radiation Physics Section
× corresponding author
# (joint) last author

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