292 citations · 1.8k across the 54 of their papers we have counts for
49 papers · 1 filter
Probing the hadron-quark mixed phase at high isospin and baryon density - Sensitive observables
Massimo Di Toro, Maria Colonna, Vincenzo Greco +1
We discuss the isospin effect on the possible phase transition from hadronic to quark matter at high baryon density and finite temperatures. The two-Equation of State (Two-EoS) mod…
On the collectivity of Pygmy Dipole Resonance within schematic TDA and RPA models
V. Baran, D. I. Palade, M. Colonna +3
Within schematic models based on the Tamm-Dancoff Approximation and the Random-Phase Approximation with separable interactions, we investigate the physical conditions which determi…
Exotic break-up modes in heavy ion reactions at low energies
C. Rizzo, M. Colonna, V. Baran +1
New reaction mechanisms occurring in heavy ion collisions at low energy (10- 30 MeV/A) are investigated within the Stochastic Mean Field model. We concentrate on the analysis of te…
Nuclear collective dynamics within Vlasov approach
V. Baran, M. Colonna, M. Di Toro +3
We discuss, in an investigation based on Vlasov equation, the properties of the isovector modes in nuclear matter and atomic nuclei in relation with the symmetry energy. We obtain…
Theoretical predictions of experimental observables sensitive to the symmetry energy: Results of the SMF transport model
Maria Colonna, Virgil Baran, Massimo Di Toro
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 e…
Connecting the Pygmy Dipole Resonance to the neutron skin
V. Baran, M. Colonna, M. Di Toro +2
We study the correlation between the neutron skin development and the low-energy dipole response associated with the pygmy dipole resonance (PDR) in connection with the properties…
Isoscalar-vector interaction and hybrid quark core in massive neutron stars
G. Y. Shao, M. Colonna, M. Di Toro +2
The hadron-quark phase transition in the core of massive neutron stars is studied with a newly constructed two-phase model. For nuclear matter, a nonlinear Walecka type model with…
Reaction mechanisms in transport theories: a test of the nuclear effective interaction
M. Colonna, V. Baran, M. Di Toro +2
We review recent results concerning collective excitations in neutron-rich systems and reactions between charge asymmetric systems at Fermi energies. Solving numerically self-consi…
Influence of vector interactions on the hadron-quark/gluon phase transition
G. Y. Shao, M. Colonna, M. Di Toro +2
The hadron-quark/gluon phase transition is studied in the two-phase model. As a further study of our previous work, both the isoscalar and isovector vector interactions are include…
Pygmy dipole resonance: collective features and symmetry energy effects
V. Baran, B. Frecus, M. Colonna +1
A very important open question related to the pygmy dipole resonance is about its quite elusive collective nature. In this paper, within a harmonic oscillator shell model, generali…
Phase diagrams in the Hadron-PNJL model
G. Y. Shao, M. Di Toro, V. Greco +4
The two-Equation of State (Two-EoS) model is used to describe the hadron-quark phase transition in dense-hot matter formed in heavy-ion collisions. The non-linear Walecka model is…
Collective Flows in a Transport Approach
S. Plumari, V. Baran, M. Di Toro +1
We introduce a transport approach at fixed shear viscosity to entropy ratio $\etas$ to study the generation of collective flows in ultra-relativistic heavy-ion collisions. Transpor…
Sensitivity of the Jet Quenching Observables to the Temperature Dependence of the Energy Loss
Scardina Francesco, Massimo Di Toro, Vincenzo Greco
The quenching of minijet (particles with ) in ultra-relativistic heavy-ion collisions has been one of the main prediction and discovery at RHIC. We analyze the co…
Hierarchy in mid-rapidity fragmentation: mass, isospin, velocity correlations
V. Baran, M. Colonna, M. Di Toro +1
We present new features of the transition from nuclear multifragmentation to neck fragmentation in semi-central heavy-ion collisions at Fermi energies as obtained within a microsco…
Probing the Nuclear Symmetry Energy with Heavy Ion Collisions
M. Di Toro, V. Baran, M. Colonna +1
Heavy Ion Collisions (HIC) represent a unique tool to probe the in-medium nuclear interaction in regions away from saturation. In this report we present a selection of new reaction…
Break-up mechanisms in heavy ion collisions at low energies
L. Shvedov, M. Colonna, M. Di Toro
We investigate reaction mechanisms occurring in heavy ion collisions at low energy (around 20 MeV/u). In particular, we focus on the competition between fusion and break-up process…
Isospin effects and sensitive observables in the Fermi energy domain
M. Colonna, V. Baran, M. Di Toro
We review recent results obtained for charge asymmetric systems at Fermi energies. Observables sensitive to the isospin dependent part of nuclear interaction are discussed, providi…
Isospin emission and flows at high baryon density: a test of the symmetry potential
V. Giordano, M. Colonna, M. Di Toro +2
High energy Heavy Ion Collisions (HIC) are studied in order to access nuclear matter properties at high density. Particular attention is paid to the selection of observables sensit…
Probing the symmetry energy at high baryon density with heavy ion collisions
V. Greco, M. Colonna, M. Di Toro +1
The nuclear symmetry energy at densities above saturation density () is poorly constrained theoretically and very few relevant experimental data exist. Its st…
Elliptic Flow at Finite Shear Viscosity in a Kinetic Approach at RHIC
V. Greco, M. Colonna, M. Di Toro +1
Within a covariant parton cascade, we discuss the impact of both finite shear viscosity and freeze-out dynamics on the elliptic flow generated at RHIC. We find that the enhance…
Dynamical Phase Trajectories in Baryon and Isospin Density Spaces
M. Colonna, V. Baran, M. Di Toro +1
We review recent results obtained for charge asymmetric systems at Fermi and intermediate energies, ranging from 30 MeV/u to 1 GeV/u. Observables sensitive to the isospin dependent…
Symmetry Energy Effects on the Mixed Hadron-Quark Phase at High Baryon Density
M. Di Toro, B. Liu, V. Greco +3
The phase transition of hadronic to quark matter at high baryon and isospin density is analyzed. Relativistic mean field models are used to describe hadronic matter, and the MIT ba…
Probing the momentum dependence of medium modifications of the nucleon-nucleon elastic cross sections
Qingfeng Li, Caiwan Shen, M. Di Toro
The momentum dependence of the medium modifications on nucleon-nucleon elastic cross sections is discussed with microscopic transport theories and numerically investigated with an…
Isospin Effects on Strangeness in Heavy-Ion Collisions
V. Prassa, T. Gaitanos, G. Ferini +3
Kaon properties are studied within the framework of a fully covariant transport approach. The kaon-nucleon potential is evaluated in two schemes, a chiral perturbative approach and…