/ Experiment-Nucl arXiv:0803.0649


Coulomb excitation of Ni-68-28(40) at safe energies


Bree, Nick (Leuven U.) ; Stefanescu, I. (Bucharest, IFIN-HH) ; Butler, P.A. (Liverpool U.) ; Cederkall, J. (CERN) ; Davinson, T. ; Delahaye, P. (CERN) ; Eberth, J. (Cologne U.) ; Fedorov, D. (St. Petersburg, INP) ; Fedosseev, V.N. (CERN) ; Fraile, L.M. (CERN) ; Franchoo, S. (Orsay, IPN) ; Georgiev, G. (CERN) ; Gladnishki, K. (INFM, Camerino) ; Huyse, M. (Leuven U.) ; Ivanov, O. (Leuven U.) ; Iwanicki, J. (Warsaw U.) ; Jolie, J. (Cologne U.) ; Koster, U. (CERN) ; Kroll, Th. (Munich, Tech. U.) ; Krucken, R. (Munich, Tech. U.) ; Marsh, B.A. (CERN) ; Niedermaier, O. (Heidelberg, Max Planck Inst.) ; Reiter, P. (Cologne U.) ; Scheit, H. (Heidelberg, Max Planck Inst.) ; Schwalm, D. (Heidelberg, Max Planck Inst.) ; Sieber, T. (Munich U., Neutron Group) ; Van de Walle, J. (Leuven U.) ; Van Duppen, P. (Leuven U.) ; Warr, N. (Cologne U.) ; Weisshaar, D. (Cologne U.) ; Wenander, F. (CERN) ; Zemlyanoy, S. (Dubna, JINR)

Published in: Phys.Rev.
Year: 2008
Vol.: C78
Page No: 047301
Pages: 4

Abstract: The $B(E2/0^+\to2^+)$ value in $^{68}$Ni has been measured using Coulomb excitation at safe energies. The $^{68}$Ni radioactive beam was post-accelerated at the ISOLDE facility (CERN) to 2.9 MeV/u. The emitted $\gamma$ rays were detected by the MINIBALL detector array. A kinematic particle reconstruction was performed in order to increase the measured c.m. angular range of the excitation cross section. The obtained value of 2.8$\pm$1.0 10$^2$ e$^2$fm$^4$ is in good agreement with the value measured at intermediate energy Coulomb excitation, confirming the low transition probability.

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