Physics – Nuclear Physics – Nuclear Experiment
Scientific paper
2008-03-05
Phys.Rev.C78:047301,2008
Physics
Nuclear Physics
Nuclear Experiment
4 pages, 5 figures
Scientific paper
10.1103/PhysRevC.78.047301
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$^{+1.2}_{-1.0}$ 10$^2$ e$^2$fm$^4$ is in good agreement with the value measured at intermediate energy Coulomb excitation, confirming the low $0^+\to2^+$ transition probability.
Bree N.
Butler P. A.
Cederkäll Joakim
Davinson T.
de Walle Van J.
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