Odd-spin yrast states as multiple quadrupole-phonon excitations

Details Odd-spin yrast states as multiple quadrupole-phonon excitations Odd-spin yrast states as multiple quadrupole-phonon excitations

1998-03-27

arxiv.org/abs/nucl-ex/9803013v1

Phys.Lett. B349 (1995) 1

Physics

Nuclear Physics

Nuclear Experiment

9 pages, 4 figures

Scientific paper

10.1016/0370-2693(95)00235-D

The wavefunctions of the lowest odd spin positive parity yrast states in the IBA are shown to be nearly pure multiple quadrupole-phonon excitations even outside the three dynamical symmetries. The empirical data for collective nuclei with 30 < Z < 80 confirm these predictions. The quadrupole-phonon purity of the 2^+_1 state can be measured from E2-branching ratios of the 3^+_1 state. These data show a high correlation to the 2^+_1 Q-phonon purity deduced from the E2-decay of 2^+ states.

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