Abstract:
The states of 104Pd, populated in the EC-β+ decay of the ground ( J π = 5+) and metastable ( J π = 2+) states of 104Ag, have been investigated in the framework of the proton-neutron interacting boson model, extending a previous analysis to take into account the newly appeared experimental data. All positive-parity states up to an excitation energy of 3 MeV and spin in the range J = 1-6, fed by more than 0.3% in the decay of the parent nucleus, have been considered. As a result, strong evidence has been found for interpreting most of these states as states of collective nature having a quite pure full- or mixed-symmetry character and, in particular, for identifying the 1+ level at 2276 keV as the lowest 1+ mixed-symmetry state.
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Received: 26 September 2001 / Accepted: 30 November 2001
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Giannatiempo, A., Nannini, A., Perego, A. et al. Symmetry character of collective states in 104Pd populated in the EC-β+ decay of 104Ag. Eur Phys J A 13, 339–347 (2002). https://doi.org/10.1007/s10050-002-8762-9
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DOI: https://doi.org/10.1007/s10050-002-8762-9