Rotational Frequency Dependence of Octupole Vibrations on Superdeformed States in 40Ca | Zendy

H. Ogasawara | Zendy; Kenichi Yoshida | Zendy; M. Yamagami | Zendy; S. Mizutori | Zendy; K. Matsuyanagi | Zendy

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Rotational Frequency Dependence of Octupole Vibrations on Superdeformed States in 40Ca

Author(s) -

H. Ogasawara,

Kenichi Yoshida,

M. Yamagami,

S. Mizutori,

K. Matsuyanagi

Publication year - 2009

Publication title -

progress of theoretical physics

Language(s) - English

Resource type - Journals

eISSN - 1347-4081

pISSN - 0033-068X

DOI - 10.1143/ptp.121.357

Subject(s) - physics , yrast , angular momentum , random phase approximation , rotation (mathematics) , vibration , atomic physics , woods–saxon potential , spin (aerodynamics) , classical mechanics , quantum mechanics , nuclear reaction , excited state , geometry , mathematics , thermodynamics

By means of the random phase approximation (RPA) calculation based on cranked deformed Woods-Saxon potential, we investigate how rotational motion affects the properties of octupole vibrations built on superdeformed states in 40 Ca. A major structure change of the superdeformed yrast states toward a reflection-asymmetric shape is suggested to take place in the region of angular momentum a little higher than the observed maximum value 16~, owing to a cooperative effect of octupole vibrational correlation and the rotation-aligned particle-hole excitations from the f7/2 to the g9/2 shell. Subject Index: 213

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