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12th Conference on "Theoretical Nuclear Physics in Italy", Cortona : Italie (2008)
Pygmy resonances in Sn isotopes within a microscopic multiphonon approach
E.G. Lanza1, M.V. Andrés2, F. Catara1, Ph. Chomaz3, D. Gambacurta1
(2009)

We study the pygmy resonances in Sn isotopes within a microscopic multiphonon approach which has been successfully applied to heavy ion reactions in recent years. In the energy region of the pygmy resonances there are a few low lying multiphonon states. The question is whether they may contribute to the observed peak. Calculations show that the inelastic cross sections in the relevant energy region have a conisderable increase depending on the isotope and on the kind of Skyrme force used.
1 :  INFN, Sezione di Catania - Istituto Nazionale di Fisica Nucleare, Sezione di Catania
2 :  Departamento de Fisica Atomica, Molecular y Nuclear
3 :  GANIL - Grand Accélérateur National d'Ions Lourds
Physique/Physique Nucléaire Théorique