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Title: Coulomb excitation of the 3− isomer in 70Cu
Authors: Rapisarda, Elisa ×
Stefanescu, Irina
Balabanski, D.L.
Bastin, Beyhan
Blazhev, A.
Bree, Nick
Danchev, M.
Bruyneel, B.
Davinson, T.
Delahaye, P.
Diriken, Jan
Eberth, J.
Georgiev, G.
Fedorov, D.
Fedosseev, V.N.
Fiori, E.
Franchoo, S.
Fransen, Ch.
Geibel, K.
Gladnishki, K.
Hadynska, K.
Hess, H.
Heyde, K.
Huyse, Mark
Ivanov, Oleg
Iwanicki, J.
Jolie, J.
Kalkuehler, M.
Kr¨oll, Th.
Kr¨ucken, R.
K¨oster, U.
Lo Bianco, G.
Lozeva, R.
Marsh, B.A.
Nardelli, S.
Nowacki, F.
Patronis, N.
Reiter, P.
Seidlitz, M.
Sieja, K.
Smirnova, N.
Srebrny, J.
Van de Walle, J.
Van Duppen, Piet
Warr, N.
Wenander, F.
Wimmer, K.
Wrzosek, K.
Zemlyanoi, S.
Zielinska, M. #
Issue Date: Dec-2011
Publisher: Published for the American Physical Society by the American Institute of Physics
Series Title: Physical Review C, Nuclear Physics vol:84 issue:6
Article number: 064323
Abstract: Post-accelerated isomerically purified radioactive beams, available at the CERN On-Line Isotope Mass Separator facility using the resonant ionization laser technique, have been used to study the Coulomb excitation of the I π = 3− state in 70Cu (Z = 29, N = 41). While first results using a I π = 6− beam were reported previously, the present complementary experiment allows us to complete the study of the multiplet of states (3−, 4−, 5−, 6−) arising from the π2p3/2ν1g9/2 configuration. Besides the known γ -ray transition deexciting the 4− state, a ground-state γ ray of 511(3) keV was observed for the first time and was unambiguously associated with the 5− state deexcitation. This observation fixes the energy, spin, and parity of this state, completing the low-energy level scheme of 70Cu. B(E2) values for all possible E2 transitions within the multiplet were determined. A comparison with large-scale shell model calculations using different interactions and valence spaces shows the importance of proton excitation across the Z = 28 shell gap and the role of the 2d5/2 neutron orbital.
ISSN: 0556-2813
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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