Physics – Nuclear Physics – Nuclear Theory
Scientific paper
2002-07-16
Nucl.Phys. A710 (2002) 261-278
Physics
Nuclear Physics
Nuclear Theory
21 pages including 16 ps figures
Scientific paper
10.1016/S0375-9474(02)01164-8
With the use of the symmetry-unrestricted cranked Skyrme-Hartree-Fock method in the three-dimensional coordinate-mesh representation, we have carried out a systematic theoretical search for the superdeformed and hyperdeformed rotational bands in the mass A=30-50 region. Along the N=Z line, we have found superdeformed solutions in 32S, 36Ar, 40Ca, 44Ti, and hyperdeformed solutions in 36Ar, 40Ca, 44Ti, 48Cr. The superdeformed band in 40Ca is found to be extremely soft against both the axially symmteric (Y30) and asymmetric (Y31) octupole deformations. An interesting role of symmetry breaking in the mean field is pointed out.
Inakura Tsunenori
Matsuyanagi Kenichi
Mizutori Shoujirou
Yamagami Masayuki
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