Search for particle–vibration coupling in 65Cu
1 Dipartimento di Fisica, Universitá degli Studi di Milano, Italia.
2 INFN sezione di Milano, Milano, IItalia.
3 National Institute for Physics and Nuclear Engineering, Magurele, Romania.
4 INFN sezione di Padova, Padova, Italia.
a e-mail: firstname.lastname@example.org
Published online: 20 March 2014
The lifetime of the 9/2+ state of 65Cu, at 2534 keV, has been measured by fast timing techniques, in order to establish wether such state arises from a weak coupling between a p3/2 proton and the 3− octupole vibration at 3.56 MeV in the 64Ni core. The 65Cu nucleus was populated by the reaction 7Li + 64Ni at 32 MeV, at the Horia Hulubei National Institute of Physics and Nuclear Engineering (NIPNE) in Bucharest, and its γ-decay was detected by the ROSPHERE array. The measured lifetime coresponds to a B(E3) reduced transition probability to the ground state equal to 8.89 W.u., in agreement with theoretical predictions in the weak coupling limit.
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