A Model Analysis of Triaxial Deformation Dynamics in Oblate-Prolate Shape Coexistence Phenomena - Nuclear TheoryReport as inadecuate




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Abstract: From a viewpoint of oblate-prolate symmetry and its breaking, we adopt thequadrupole collective Hamiltonian to study dynamics of triaxial deformation inshape coexistence phenomena. It accommodates the axially symmetric rotor model,the $\gamma$-unstable model, the rigid triaxial rotor model and an idealsituation for the oblate-prolate shape coexistence as particular cases.Numerical solutions of this model yield a number of interesting suggestions.1 The relative energy of the excited 0+ state can be a signature of thepotential shape along the $\gamma$ direction. 2 Specific E2 transitionprobabilities are sensitive to the breaking of the oblate-prolate symmetry. 3Nuclear rotation may induce the localization of collective wave functions inthe $\beta, \gamma$ deformation space.



Author: Koichi Sato, Nobuo Hinohara, Takashi Nakatsukasa, Masayuki Matsuo, Kenichi Matsuyanagi

Source: https://arxiv.org/







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