Shape mixing dynamics in the low-lying states of proton-rich Kr isotopes

Details Shape mixing dynamics in the low-lying states of proton-rich Kr isotopes Shape mixing dynamics in the low-lying states of proton-rich Kr isotopes

2010-06-18

arxiv.org/abs/1006.3694v1

Nucl.Phys.A849:53-71,2011

Physics

Nuclear Physics

Nuclear Theory

29 pages, 14 figures

Scientific paper

10.1016/j.nuclphysa.2010.11.003

We study the oblate-prolate shape mixing in the low-lying states of proton-rich Kr isotopes using the five-dimensional quadrupole collective Hamiltonian. The collective Hamiltonian is derived microscopically by means of the CHFB (constrained Hartree-Fock-Bogoliubov) + Local QRPA (quasiparticle random phase approximation) method, which we have developed recently on the basis of the adiabatic self-consistent collective coordinate method. The results of the numerical calculation show the importance of large-amplitude collective vibrations in the triaxial shape degree of freedom and rotational effects on the oblate-prolate shape mixing dynamics in the low-lying states of these isotopes.

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