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Thomas, T.; Werner, V.; Jolie, J.; Nomura, K.; Ahn, T.; Cooper, N.; Duckwitz, H.; Fitzler, A.; Fransen, C.; Gade, A.; Hinton, M.; Ilie, G.; Jessen, K.; Linnemann, A.; Petkov, P.; Pietralla, N.; Radeck, D. (2016): Nuclear structure of Mo-96,Mo-98: Shape coexistence and mixed-symmetry states. In: Nuclear Physics A, Vol. 947: pp. 203-233
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Abstract

Excited low-spin states in Mo-96 and Mo-98 have been studied in gamma gamma angular correlation experiments in order to determine spins and multipole mixing ratios. Furthermore, from a Doppler lineshape analysis effective lifetimes tau in the femtosecond range were obtained. The experimental data show a complex spectrum due to configuration mixing, which is confirmed by Interacting Boson Model calculations based on a Skyrme energy density functional. The M1-transition strengths of transitions depopulating excited 2(+) states to the first 2(+) state are discussed in terms of the proton neutron mixed symmetry. (C) 2016 Elsevier B.V. All rights reserved.