Effects of high order deformation on superheavy high-$K$ isomers

Details Effects of high order deformation on superheavy high-$K$ isomers Effects of high order deformation on superheavy high-$K$ isomers

2010-11-18

arxiv.org/abs/1011.4211v2

Phys.Rev.C83:011303,2011

Physics

Nuclear Physics

Nuclear Theory

5 pages, 4 figures, 1 table, the version to appear in Phys. Rev. C

Scientific paper

10.1103/PhysRevC.83.011303

Using, for the first time, configuration-constrained potential-energy-surface calculations with the inclusion of $\beta_6$ deformation, we find remarkable effects of the high order deformation on the high-$K$ isomers in $^{254}$No, the focus of recent spectroscopy experiments on superheavy nuclei. For shapes with multipolarity six, the isomers are more tightly bound and, microscopically, have enhanced deformed shell gaps at $N=152$ and $Z=100$. The inclusion of $\beta_6$ deformation significantly improves the description of the very heavy high-$K$ isomers.

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