Physics – Nuclear Physics – Nuclear Experiment
Scientific paper
2009-03-11
Phys.Rev.C79:044325,2009
Physics
Nuclear Physics
Nuclear Experiment
7 pages,6 figures, PRC preprint
Scientific paper
10.1103/PhysRevC.79.044325
We report on the investigation of the population mechanism for the 454-KeV level in 71Cu. This level was identified for the first time in a recent Coulomb excitation measurement with a radioactive beam of 71Cu. The selective nature of the Coulomb-excitation process as well as nuclear-structure considerations constrain the possible spin values for the newly observed state to Ipi=1/2-. A re-examination of the data set obtained in a beta-decay study at the LISOL separator revealed that this state is also populated in the decay of 71Ni, most probably by direct feeding from a newly identified 1/2- beta-decaying isomer having a T1/2=2.34(25) s. In this paper we investigate the proposed scenario by reanalyzing the beta-gamma and gamma-gamma coincidences obtained in the beta-decay study at LISOL.
Bree N.
Cocolios T. E.
de Walle Van J.
Diriken J.
Duppen Van P.
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