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Pygmy resonances in Sn isotopes within a microscopic multiphonon approach

Abstract : 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.
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http://hal.in2p3.fr/in2p3-00429412
Contributor : Michel Lion <>
Submitted on : Monday, November 2, 2009 - 5:10:40 PM
Last modification on : Saturday, May 5, 2018 - 5:50:02 PM

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E.G. Lanza, M.V. Andrés, F. Catara, Ph. Chomaz, D. Gambacurta. Pygmy resonances in Sn isotopes within a microscopic multiphonon approach. 12th Conference on "Theoretical Nuclear Physics in Italy", Oct 2008, Cortona, Italy. pp.012014, ⟨10.1088/1742-6596/168/1/012014⟩. ⟨in2p3-00429412⟩

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