Phys. Rev. C 70, 044308 (2004) [6 pages]Interacting boson model study of the spin evolution of the yrast E2 transition probabilities in 162YbReceived 7 April 2004; published 18 October 2004 An angular momentum dependence of the yrast E2 transition probabilities and the spectra of the low-lying states in the even-even collective nuclei are analyzed. It is shown that in the interacting boson model (IBM) it is possible to describe simultaneously the transitionlike low-lying level scheme with the rotational-like yrast B(E2) values. For some values of the parameters of the general IBM-1 Hamiltonian, the values of the ratio B(E2;(I+2)1→I1)∕B(E2;21+→01+) can fall down below the rotational limit of the geometrical model and also below the prediction of the SU(3) limit of the IBM. © 2004 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevC.70.044308
DOI:
10.1103/PhysRevC.70.044308
PACS:
21.10.Re, 21.60.Fw, 23.20.Lv, 27.70+q
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