Abstract
The properties of excited states in 28 62Ni 34 populated by means of the 59Co(α, pγ) 62Ni reaction were investigated. The Doppler-shift attenuation method was employed to determine the mean lives of 20 levels up to an excitation energy of 4151 keV. A comprehensive level and decay scheme is proposed. Detailed shell-model calculations have been made of the M1 and E2 transition matrix elements for depopulation of states which, when compared with experiment, do not support an interpretation based on an inert 28 56Ni 28 core. This is strongly confirmed by use of this model spectroscopy in the analyses of inelastic proton scattering data to the 2 1 + and 3 1 − states in 62Ni.
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