Correlations between isospin dynamics and Intermediate Mass Fragments emission time scales: a probe for the symmetry energy in asymmetric nuclear matter

Simone Santoro, Maiolino, Porto, Rizzo, Cardella, Pirrone, Russotto, Lanzalone, E. La Guidara, Lombardo, Amorini, Grassi, Minniti, Santoro, Han, Colonna, Papa, Auditore, Piasecki, Giuseppe PolitiGianì, Baran, Gianì, Berceanu, Trifirò, Trimarchi, Verde, De Filippo, Grzeszczuk, Vigilante, Pop, Pagano, Wilczyński, Geraci, Piasecki, Guazzoni, Zetta

Risultato della ricerca: Conference contribution

3 Citazioni (Scopus)

Abstract

We show new data from the $^{64}$Ni+$^{124}$Sn and $^{58}$Ni+$^{112}$Snreactions studied in direct kinematics with the CHIMERA detector at INFN-LNSand compared with the reverse kinematics reactions at the same incident beamenergy (35 A MeV). Analyzing the data with the method of relative velocitycorrelations, fragments coming from statistical decay of an excitedprojectile-like (PLF) or target-like (TLF) fragments are discriminated from theones coming from dynamical emission in the early stages of the reaction. Bycomparing data of the reverse kinematics experiment with a stochastic meanfield (SMF) + GEMINI calculations our results show that observables from neckfragmentation mechanism add valuable constraints on the density dependence ofsymmetry energy. An indication is found for a moderately stiff symmetry energypotential term of EOS.
Lingua originaleEnglish
Titolo della pubblicazione ospite11th International Conference on Nucleus-Nucleus Collisions (NN2012), San Antonio, Texas, USA, May 27-June 1, 2012
Numero di pagine9
Stato di pubblicazionePublished - 2012

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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    Santoro, S., Maiolino, Porto, Rizzo, Cardella, Pirrone, Russotto, Lanzalone, Guidara, E. L., Lombardo, Amorini, Grassi, Minniti, Santoro, Han, Colonna, Papa, Auditore, Piasecki, ... Zetta (2012). Correlations between isospin dynamics and Intermediate Mass Fragments emission time scales: a probe for the symmetry energy in asymmetric nuclear matter. In 11th International Conference on Nucleus-Nucleus Collisions (NN2012), San Antonio, Texas, USA, May 27-June 1, 2012