Theoretical predictions of experimental observables sensitive to the symmetry energy: Results of the SMF transport model

Abstract

In the framework of mean-field based transport approaches, we discuss recent results concerning heavy ion reactions between charge asymmetric systems, from low up to intermediate energies. We focus on isospin sensitive observables, aiming at extracting information on the density dependence of the isovector part of the nuclear effective interaction and of the nuclear symmetry energy. For reactions close to the Coulomb barrier, we explore the structure of collective dipole oscillations, rather sensitive to the low-density behavior of the symmetry energy. In the Fermi energy regime, we investigate the interplay between dissipation mechanisms, fragmentation and isospin effects. At intermediate energies, where regions with higher density and momentum are reached, we discuss collective flows and their sensitivity to the momentum dependence of the isovector interaction channel, which determines the splitting of neutron and proton effective masses. Finally, we also discuss the isospin effect on the possible phase transition from nucleonic matter to quark matter. Results are critically reviewed, also trying to establish a link, when possible, with the outcome of other transport models.

A contribution to the upcoming EPJA Special Volume on Nuclear Symmetry Energy

References in corpus (17)

• Neutron Star Observations: Prognosis for Equation of State Constraints
• Constraints on the symmetry energy and on neutron skins from the pygmy resonances in 68Ni and 132Sn
• Symmetry energy from elliptic flow in 197Au + 197Au
• Pygmy dipole resonance as a constraint on the neutron skin of heavy nuclei
• Testing Deconfinement at High Isospin Density
• Isospin Diffusion and Equilibration for Sn+Sn collisions at E/A=35 MeV
• Isospin Dynamics in Peripheral Heavy Ion Collisions at Fermi Energies
• The Dynamical Dipole Mode in Fusion Reactions with Exotic Nuclear Beams
• Isospin diffusion in semi-peripheral ${}^{58}Ni$ + ${}^{197}Au$ collisions at intermediate energies (II): Dynamical simulations
• Isospin Distillation with Radial Flow: a Test of the Nuclear Symmetry Energy
• A new approach to solve the Boltzmann-Langevin equation for fermionic systems
• Symmetry Energy Effects on Fusion Cross Sections
• Prompt dipole radiation in fusion reactions
• Fragmentation paths in dynamical models
• Hadron-quark phase transition in asymmetric matter with boson condensation
• Comparison of dynamical multifragmentation models
• Hadron-quark phase transition in asymmetric matter with dynamical quark masses

Cited by in corpus (12)

• Shannon Information Entropy in Heavy-ion Collisions
• Collision dynamics at medium and relativistic energies
• Constraining nuclear symmetry energy with the charge radii of mirror-pair nuclei
• Dipole response in neutron-rich nuclei with new Skyrme interactions
• Inhomogeneity growth in two-component fermionic systems
• Experimental study of the isospin transport with 40,48 Ca+ 40,48 Ca reactions at 35 MeV/nucleon
• Dynamical description of heavy-ion collisions at Fermi energies
• Revisiting the isospin relaxation time in intermediate-energy heavy-ion collisions
• Isospin diffusion from ${}^{40,48}$Ca${+}^{40,48}$Ca experimental data at Fermi energies: Direct comparisons with transport model calculations
• Revisit to the yield ratio of triton and ${}^3$He as an indicator of neutron-rich neck emission
• On the spin-isospin decomposition of nuclear symmetry energy
• Transport Model Comparison Studies of Intermediate-Energy Heavy-Ion Collisions