Collectivity of the low lying dipole strength in relativistic random phase approximation
Jan, 2001
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Abstract:
The relativistic random phase approximation is applied in the analysis of the evolution of the isovector dipole response in nuclei with a large neutron excess. The self-consistent framework of relativistic mean-field theory, which has been very successfully applied in the description of ground-state properties of nuclei far from the valley of -stability, is extended to study the possible onset of low-energy collective isovector dipole modes in nuclei with extreme isospin values.Note:
- 29 pages LaTeX, 14 eps figs, to appear in Nucl. Phys. A
- 21.60.Jz
- 24.30.Cz
- 24.30.Gd
- Relativistic random phase approximation
- Relativistic mean-field model
- Giant resonances
- Pygmy resonances
References(31)
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