High-spin yrast structure of 32S suggested by symmetry-unrestricted, cranked Hartree-Fock calculations
Masayuki Yamagami, Kenichi Matsuyanagi
Abstract
High-spin yrast structure of 32S is investigated by means of the cranked Skyrme-Hartree-Fock method in the three-dimensional Cartesian-mesh representation without imposing restrictions on spatial symmetries. The result suggests that 1) a crossover from the superdeformed to the hyperdeformed-like configurations takes place on the yrast line at angular momentum I 24, which corresponds to the ``band termination'' point in the cranked harmonic-oscillator model, and 2) non-axial octupole deformations of the Y31 type play an important role in the yrast states in the range 5≤ I ≤ 13.
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