Ponencia
On the nature of the dipole pygmy resonance
Autor/es | Lanza, E. G.
Vitturi, A. Andrés Martín, María Victoria Catara, F. Gambacurta, D. |
Departamento | Universidad de Sevilla. Departamento de Física Atómica, Molecular y Nuclear |
Fecha de publicación | 2011 |
Fecha de depósito | 2020-07-29 |
Publicado en |
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ISBN/ISSN | 0094-243X (impreso) 1551-7616 (electrónico) |
Resumen | The nature of the low-lying dipole states in neutron-rich nuclei, often associated to the
Pygmy Dipole Resonance, has been investigated. This has been done by describing them within
the Hartree-Fock plus RPA formalism. ... The nature of the low-lying dipole states in neutron-rich nuclei, often associated to the Pygmy Dipole Resonance, has been investigated. This has been done by describing them within the Hartree-Fock plus RPA formalism. The analysis shows that they are not of collective nature although many particle-hole configurations participate to their formation. Taking advantage of their strong isospin mixing one can envisage combined reaction processes involving the Coulomb and different mixtures of isoscalar and isovector nuclear interactions in order to provide more hints to unveil the characteristic features of these states. |
Cita | Lanza, E.G., Vitturi, A., Andrés Martín, M.V., Catara, F. y Gambacurta, D. (2011). On the nature of the dipole pygmy resonance. En 3rd International Conference on Frontiers in Nuclear Structure, Astrophysics and Reactions (FINUSTAR) (247-254), Rhodes, (Grecia): AIP Publishing. |
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