Identification of Mixed-Symmetry States in an Odd-Mass Nearly Spherical Nucleus
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The low-spin structure of 93Nb has been studied using the (n,n'gamma) reaction at neutron energies ranging from 1.5 to 3 MeV and the 94Zr(p,2ngamma)93Nb reaction at bombarding energies from 11.5 to 19 MeV. States at 1779.7 and 1840.6 keV, respectively, are proposed as mixed-symmetry states associated with the pi2p(1/2)-1x(2(1),MS+,94Mo) coupling. These assignments are derived from the observed M1 and E2 transition strengths to the 2p(1/2)-1x(2(1)+,94Mo) symmetric one-phonon states, energy systematics, spins and parities, and comparison with shell model calculations.
author list (cited authors)
Orce, J. N., Holt, J. D., Linnemann, A., McKay, C. J., Lesher, S. R., Fransen, C., ... Yates, S. W.