Anharmonic vibrations around a triaxial nuclear deformation “frozen” to γ = 30°

Journal Article · Mon Dec 07 00:00:00 EST 2015 · AIP Conference Proceedings

DOI:https://doi.org/10.1063/1.4937232· OSTI ID:22494337

Buganu, Petrica; Budaca, Radu ^[1]

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1. Department of Theoretical Physics, National Institute of Physics and Nuclear Engineering, Str. Reactorului 30, RO-077125, POB-MG6, Bucharest-Magurele (Romania)

The Davydov-Chaban Hamiltonian with a sextic oscillator potential for the variable β and γ fixed to 30° is exactly solved for the ground and β bands and approximately for the γ band. The model is called Z(4)-Sextic in connection with the already established Z(4) solution. The energy spectra, normalized to the energy of the first excited state, and several B(E2) transition probabilities, normalized to the B(E2) transition from the first excited state to the ground state, depend on a single parameter α. By varying α within a sufficiently large interval, a shape phase transition from an approximately spherical shape to a deformed one is evidenced.

• OSTI ID: 22494337
• Journal Information: AIP Conference Proceedings, Vol. 1694, Issue 1; Conference: TIM14 physics conference on physics without frontiers, Timisoara (Romania), 20-22 Nov 2014; Other Information: (c) 2015 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA); ISSN 0094-243X
• Country of Publication: United States
• Language: English

Related Subjects

71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
APPROXIMATIONS
E2-TRANSITIONS
ENERGY SPECTRA
EXACT SOLUTIONS
EXCITED STATES
GROUND STATES
HAMILTONIANS
NUCLEAR DEFORMATION
OSCILLATORS
PROBABILITY
SPHERICAL CONFIGURATION