Rotation-driven prolate-to-oblate shape phase transition in 190W: A projected shell model study

Details Rotation-driven prolate-to-oblate shape phase transition in 190W: A projected shell model study Rotation-driven prolate-to-oblate shape phase transition in 190W: A projected shell model study

2007-11-02

arxiv.org/abs/0711.0260v1

Phys.Lett.B659:165-169,2008

Physics

Nuclear Physics

Nuclear Theory

9 pages, 3 figures, accepted for publication in Phys. Lett. B

Scientific paper

10.1016/j.physletb.2007.10.067

A shape phase transition is demonstrated to occur in 190W by applying the
Projected Shell Model, which goes beyond the usual mean-field approximation.
Rotation alignment of neutrons in the high-j, i_{13/2} orbital drives the yrast
sequence of the system, changing suddenly from prolate to oblate shape at
angular momentum 10$\hbar$. We propose observables to test the picture.

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