Isospin diffusion measurement from the direct detection of a Quasi-Projectile remnant

Abstract

The neutron-proton equilibration process in 48 Ca+ 40 Ca at 35 MeV/nucleon bombarding energy has been experimentally estimated by means of the isospin transport ratio. Experimental data have been collected with a subset of the FAZIA telescope array, which permitted to determine Z and N of detected fragments. For the first time, the QP evaporative channel has been compared with the QP break-up one in a homogeneous and consistent way, pointing out to a comparable n-p equilibration which suggests close interaction time between projectile and target independently of the exit channel. Moreover, in the QP evaporative channel n-p equilibration has been compared with the prediction of the Antisymmetrized Molecular Dynamics (AMD) model coupled to the GEMINI statistical model as an afterburner, showing a larger probability of proton and neutron transfers in the simulation with respect to the experimental data.

References in corpus (10)

• Dynamics of clusters and fragments in heavy-ion collisions
• Isospin Diffusion and Equilibration for Sn+Sn collisions at E/A=35 MeV
• In-medium effects for nuclear matter in the Fermi energy domain
• Isospin Diffusion Observables in heavy ion reactions
• Decay of excited nuclei produced in ${}^{78,82}$Kr + ${}^{40}$Ca reactions at 5.5 MeV/nucleon
• Neutron to proton ratios of quasiprojectile and midrapidity emission in the ${}^{64}$Zn + ${}^{64}$Zn reaction at 45 MeV/nucleon
• Dynamical fission of the quasiprojectile and isospin equilibration for the system 80Kr+ 48 Ca at 35 MeV/nucleon
• Comparison of AMD calculations with experimental data for peripheral collisions of 93Nb+93Nb,116Sn at 38 MeV/nucleon
• Influence of Neutron Enrichment on Disintegration Modes of Compound Nuclei
• Distinctive features of Coulomb-related emissions in peripheral heavy ion collisions at Fermi energies

Cited by in corpus (8)

• First results from the INDRA-FAZIA apparatus on isospin diffusion in ${}^{58,64}$Ni+${}^{58,64}$Ni systems at Fermi energies
• Examination of cluster production in excited light systems at Fermi energies from new experimental data and comparison with transport model calculations
• Studies of the equation-of-state of nuclear matter by heavy-ion collisions at intermediate energy in the multi-messenger era
• Experimental study of the ${}^{40,48}$Ca+ ${}^{40,48}$Ca reactions at 35 MeV/nucleon
• Characterization of the breakup channel in the asymmetric systems ${}^{40,48}$Ca+${}^{12}$C at 25 and 40 MeV/nucleon
• Isospin compositions of correlated sources in the Fermi energy domain
• Isospin diffusion from ${}^{40,48}$Ca${+}^{40,48}$Ca experimental data at Fermi energies: Direct comparisons with transport model calculations
• Study of quasi-projectile properties at Fermi energies in 48Ca projectile systems