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: Articlepeer review

3 Citazioni (Scopus)

Abstract

We show new data from the 64Ni+124Sn and 58Ni+112Sn reactions studied in direct kinematics with the CHIMERA detector at INFN-LNS and compared with the reverse kinematics reactions at the same incident beam energy (35 A MeV). Analyzing the data with the method of relative velocity correlations, fragments coming from statistical decay of an excited projectile-like (PLF) or target-like (TLF) fragments are discriminated from the ones coming from dynamical emission in the early stages of the reaction. By comparing data of the reverse kinematics experiment with a stochastic mean field (SMF) + GEMINI calculations our results show that observables from neck fragmentation mechanism add valuable constraints on the density dependence of symmetry energy. An indication is found for a moderately stiff symmetry energy potential term of EOS.
Lingua originaleEnglish
pagine (da-a)012105-
Numero di pagine8
RivistaJOURNAL OF PHYSICS. CONFERENCE SERIES
Volume420
Stato di pubblicazionePublished - 2013

All Science Journal Classification (ASJC) codes

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