First use of post-accelerated isomeric beams for coulomb excitation studies of odd-odd nuclei around N=40

G. Georgiev, I. Stefanescu, D.L. Balabanski, P. Butler, J. Cederkäll, T. Davinson, P. Delahaye, V.N. Fedosseev, L.M. Fraile, S. Franchoo, K. Gladnishki, K. Heyde, M. Huyse, O. Ivanov, J. Iwanicki, Th. Kröll, U. Köster, A. Lagoyannis, G. Lo Bianco, A. De MaesschalckA. Saltarelli, T. Sieber, N. Smirnova, P. Van Duppen, N. Warr, P. Wenander, J. Van De Walle

Research output: Contribution to journalArticlepeer-review

Abstract

We report on the first use of post-accelerated radioactive isomeric beams. Long-lived isomeric states in Cu and Cu have been produced and separated at ISOLDE, CERN. Subsequently they were post-accelerated to 2.86 MeV/u and sent to a target in the center of the MINIBALL spectrometer, used for the detection of the γ-rays of interest. The preliminary results from the Coulomb excitation of the I = 6 , 1 states in Cu and the I = 6 one in Cu, compared to a large-scale shell model calculations, hint the importance of the excitations across the Z = 28 gap for the understanding of the nuclear structure in the neutron-rich N = 40 region.
Original languageEnglish
Pages (from-to)1505-1512
Number of pages8
JournalInternational Journal of Modern Physics E
Volume15
Issue number7
DOIs
Publication statusPublished - 1 Oct 2006

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