Phys. Rev. C 68, 061301(R) (2003) [4 pages]Nature of excited 0+ states in 158Gd described by the projected shell model
Excited 0+ states are studied in the framework of the projected shell model, aiming at understanding the nature of these states in deformed nuclei in general, and the recently observed 13 excited 0+ states in 158Gd, in particular. The model, which contains projected two- and four-quasiparticle states as building blocks in the basis, is able to reproduce reasonably well the energies for all the observed 0+ states. The obtained B(E2) values, however, tend to suggest that these 0+ states might have a mixed nature of quasiparticle excitations coupled to collective vibrations. © 2003 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevC.68.061301
DOI:
10.1103/PhysRevC.68.061301
PACS:
21.60.Cs, 23.20.Lv, 27.70.+q
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