Superdeformed and Hyperdeformed States in Z=122 Isotopes

Details Superdeformed and Hyperdeformed States in Z=122 Isotopes Superdeformed and Hyperdeformed States in Z=122 Isotopes

2009-05-30

arxiv.org/abs/0906.0066v1

Phys.Rev.C80:034312,2009

Physics

Nuclear Physics

Nuclear Theory

7 pages 8 Figures 2 Table

Scientific paper

10.1103/PhysRevC.80.034312

We calculate the binding energy, root-mean-square radius and quadrupole deformation parameter for the recent, possibly discovered superheavey element Z=122, using the axially deformed relativistic mean field (RMF) and non-relativistic Skyrme Hartree-Fock (SHF) formalisms. The calculation is extended to include various isotopes of Z=122 element, strarting from A=282 to A=320. We predict highly deformed structures in the ground state for all the isotopes. A shape transition appears at about A=290 from a highly oblate to a large prolate shape, which may be considered as the superdeformed and hyperdeformed structures of Z=122 nucleus in the mean field approaches. The most stable isotope (largest binding energy per nucleon) is found to be $^{302}$122, instead of the experimentally observed $^{292}$122.

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