Giant and Pygmy Dipole Resonances in neutron-rich nuclei: their excitation via Coulomb and nuclear fields

We study the excitation of low-lying dipole states in very-neutron rich nuclei (so called Pygmy Dipole Resonances). The states are described within the Hartree-Fock plus RPA formalism, using different parametrizations of the Skyrme interaction. We show how the combined information from reaction proc...

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Bibliographic Details
Published in:Journal of physics. Conference series 2011-01, Vol.267 (1), p.012006-6
Main Authors: Vitturi, A, Lanza, E G, Andres, M V, Catara, F, Gambacurta, D
Format: Article
Language:English
Subjects:
Coulomb friction
Dipoles
Excitation
Formalism
Nuclear interactions
Nuclei
Parametrization
Physics
Reactions (nuclear)
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Summary:We study the excitation of low-lying dipole states in very-neutron rich nuclei (so called Pygmy Dipole Resonances). The states are described within the Hartree-Fock plus RPA formalism, using different parametrizations of the Skyrme interaction. We show how the combined information from reaction processes involving the Coulomb and different mixtures of isoscalar and isovector nuclear interactions can provide a clue to reveal the characteristic features of these states.
ISSN:1742-6596
1742-6588
1742-6596
DOI:10.1088/1742-6596/267/1/012006