Description of Properties of Triaxial Superdeformed Bands in Odd-A Lu Isotopes |
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Authors: | ZHANG Da-Li LI Jin-Bo CAO Hong-Ping |
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Affiliation: | 1.Department of Physics, Huzhou Teacher's College, Huzhou 313000, China;2.Henan Polytechnic Institute, Nanyang 473009, China;3.Shanghai University of Engineering Science, Shanghai 313000, China |
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Abstract: | Properties of the triaxial superdeformed (TSD) bands of odd-A Lu isotopes are investigated systematically within the supersymmetry scheme including many-body interactions and a perturbation possessing the SO(5) (or SU(5)) symmetry on the rotational symmetry. Quantitatively good results of the γ-ray energies, the dynamical moments of inertia and the spin of the TSD bands in odd-A Lu isotopes are obtained. The calculation shows that the competitionbetween the pairing and anti-pairing effects exists in these TSD bands. Meanwhile, the SU(3) symmetry in TSD bands are broken more seriously than in superdeformed (SD) bands. |
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Keywords: | triaxial superdeformed bands dynamical moments of inertia odd-A Lu isotopes |
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