Shape transitions and collective excitations in {sup 152}Dy

Journal Article · Wed Mar 15 04:00:00 EST 2006 · Physical Review. C, Nuclear Physics

DOI:https://doi.org/10.1103/PhysRevC.73.034302· OSTI ID:20771325

Kvasil, J; Knapp, F ^[1]; Lo Iudice, N; Andreozzi, F; Porrino, A ^[2]

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1. Institute of Particle and Nuclear Physics, Charles University, V. Holesovickach 2, CZ-18000 Prague 8 (Czech Republic)
2. Dipartimento di Scienze Fisiche, Universita di Napoli, 'Federico II' and Istituto Nazionale di Fisica Nucleare, Monte S. Angelo, Via Cinthia I-80126 Naples (Italy)

We adopt a self-consistent cranked Nilsson plus quasiparticle random-phase approximation by using a Hamiltonian of separable form to study the collective properties of {sup 152}Dy as it evolves toward the superdeformed shape. Our calculation, while confirming the octupole character of the negative-parity superdeformed bands, emphasizes the effect of the new shell structure, induced by fast rotation combined with large deformation, on the other collective modes. It shows, in particular, that superdeformation enhances strongly the collectivity of the low-lying scissors mode built on the superdeformed shape.

• OSTI ID: 20771325
• Journal Information: Physical Review. C, Nuclear Physics, Journal Name: Physical Review. C, Nuclear Physics Journal Issue: 3 Vol. 73; ISSN 0556-2813; ISSN PRVCAN
• Country of Publication: United States
• Language: English

Related Subjects

73 NUCLEAR PHYSICS AND RADIATION PHYSICS
COLLECTIVE EXCITATIONS
DYSPROSIUM 152
HAMILTONIANS
NUCLEAR DEFORMATION
OCTUPOLES
PARITY
RANDOM PHASE APPROXIMATION
ROTATION
SHAPE
SUPERDEFORMED NUCLEI