Phys. Rev. C 70, 054313 (2004) [8 pages]Anomalous properties of quadrupole collective states in 136Te and beyondSee Also: Erratum Received 23 August 2004; published 16 November 2004 The ground and low-lying states of neutron-rich exotic Te and Sn isotopes are studied in terms of the nuclear shell model by the same Hamiltonian used for the spherical-deformed shape phase transition of Ba isotopes, without any adjustment. An anomalously small value is obtained for B(E2;01+→21+) in 136Te, consistent with a recent experiment. The levels of 136Te up to yrast 12+ are shown to be in agreement with observed ones. It is pointed out that 136Te can be an exceptionally suitable case for studying mixed-symmetry 1+, 2+, and 3+ states, and predictions are made for energies and M1 and E2 properties. Systematic trends of structure of heavier and more exotic Sn and Te isotopes beyond 136Te are studied by the Monte Carlo shell model, presenting an unusual and very slow evolution of collectivity/deformation. © 2004 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevC.70.054313
DOI:
10.1103/PhysRevC.70.054313
PACS:
21.10.Ky, 21.10.Re, 21.60.Cs, 27.60.+j
See AlsoErratum: Noritaka Shimizu, Takaharu Otsuka, Takahiro Mizusaki, and Michio Honma, Erratum: Anomalous properties of quadrupole collective states in 136Te and beyond [Phys. Rev. C 70, 054313 (2004)], Phys. Rev. C 74, 059903 (2006). |
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