Abstract

An essential property of collectivity is the proton‐neutron degree of freedom, that leads to the so‐called states of mixed symmetry. Predictions for the electromagnetic decay of the lowest‐lying mixed‐symmetry state 2MS,1+ in vibrator‐like even‐A nuclei are a strong M1 decay to the fully‐symmetric 21+ state and a weak collective E2 decay to the ground state 01+. Excited states in 62Zn have been studied via the 61Ni(3He,2nγ) reaction using the HORUS‐cube spectrometer of the Institute for Nuclear Physics in Cologne. Two fragments of the mixed‐symmetry state 2MS,1+ could be identified by determining absolute M1 transition strengths to the 21+ state.

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