Abstract
The nuclear level structures of 122-134 Ba isotopes have been studied empirically in relation to the analytic symmetries of the interacting boson model IBM-1 and in the calculation of the IBM-1 Hamiltonian. Comparison is made with experiment and with the microscopic dynamic pairing plus quadrupole model predictions available from our previous studies. The variation of the structure of states in the 22 + bands and of the 0 2,3 + bands, with neutron number N, have been studied. Relation of odd-even spin staggering in the 22 + bands with the β-softness is illustrated. A comparison is made with predictions of the various analytical symmetries.
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Schedule a callMore From: The European physical journal. A, Hadrons and nuclei
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