Testing Deconfinement at High Isospin Density
arXiv:nucl-th/0602052 · doi:10.1016/j.nuclphysa.2006.04.007
Abstract
We study the transition from hadronic matter to a mixed phase of quarks and hadrons at high baryon and isospin densities reached in heavy ion collisions. We focus our attention on the role played by the nucleon symmetry energy at high density.In this respect the inclusion of a scalar isovector meson, the δ-coupling, in the Hadron Lagrangian appears rather important. We study in detail the formation of a drop of quark matter in the mixed phase, and we discuss the effects on the quark drop nucleation probability of the finite size and finite time duration of the high density region. We find that, if the parameters of quark models are fixed so that the existence of quark stars is allowed, then the density at which a mixed phase starts forming drops dramatically in the range Z/A \sim 0.3--0.4. This opens the possibility to verify the Witten-Bodmer hypothesis on absolute stability of quark matter using ground-based experiments in which neutron-rich nuclei are employed. These experiments can also provide rather stringent constraints on the Equation of State (EoS) to be used for describing the pre-Supernova gravitational collapse. Consistent simulations of neutron rich heavy ion collisions are performed in order to show that even at relatively low energies, in the few AGeV range, the system can enter such unstable mixed phase. Some precursor observables are suggested, in particular a ``neutron trapping'' effect.
32 pages, 14 figures, elsart latex
References in corpus (32)
- Determination of the Equation of State of Dense Matter
- Reaction Dynamics with Exotic Beams
- Phase Transitions in Warm, Asymmetric Nuclear Matter
- Kaon production in heavy ion reactions at intermediate energies
- Strange Stars with Realistic Quark Vector Interaction and Phenomenological Density-dependent Scalar Potential
- Asymmetric nuclear matter:the role of the isovector scalar channel
- Is SAX J1808.4-3658 a Strange Star ?
- Towards a Mass and Radius Determination of the Nearby Isolated Neutron Star RX J185635-3754
- Determination of the Mean-Field Momentum-Dependence using Elliptic Flow
- Is RX J185635-375 a Quark Star?
- Compact stars with color superconducting quark matter
- On the Lorentz structure of the symmetry energy
- Nuclear Matter in Relativistic Mean Field Theory with Isovector Scalar Meson
- Gamma Ray Bursts from delayed collapse of neutron stars to quark matter stars
- Charge Screening at First Order Phase Transitions and Hadron - Quark Mixed Phase
- Covariant representations of the relativistic Brueckner T-matrix and the nuclear matter problem
- A new global analysis of deep inelastic scattering data
- Effects of color superconductivity on the structure and formation of compact stars
- Collective modes of asymmetric nuclear matter in Quantum HadroDynamics
- Aspects of particle production in isospin asymmetric matter
- Nucleation of quark matter bubbles in neutron stars
- Relativistic effects in the search for high density symmetry energy
- Bulk Viscosity in Hybrid Stars
- The Deconfinement Phase Transition in Asymmetric Matter
- Colour superconductivity in finite systems
- From Quark Stars to Hybrid Stars
- Finite Temperature Quark Matter and Supernova Explosion
- Stopping and Isospin Equilibration in Heavy Ion Collisions
- Quark Matter in the Chiral Color Dielectric Model
- Mixed quark-nucleon phase in neutron stars and nuclear symmetry energy
- Fragment Formation in Central Heavy Ion Collisions at Relativistic Energies
- Effects of a dynamical role for exchanged quarks and nuclear gluons in nuclei: multinucleon correlations in deep-inelastic lepton scattering
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- A new quark-hadron hybrid equation of state for astrophysics - I. High-mass twin compact stars
- Burning of an hadronic star into a quark or a hybrid star
- Nonextensive statistical effects in protoneutron stars
- Non-extensive statistical effects in high-energy collisions
- Probing the Nuclear Symmetry Energy with Heavy Ion Collisions
- Nonextensive statistical effects in the quark-gluon plasma formation at relativistic heavy-ion collisions energies
- Non-congruence of the nuclear liquid-gas and deconfinement phase transitions
- Nucleation of quark matter in protoneutron star matter
- Hot and dense hadronic matter in an effective mean field approach
- Merger of compact stars in the two-families scenario
- Thermostatistics of deformed bosons and fermions
- Intermediate statistics as a consequence of deformed algebra
- Softening of the equation of state of matter at large densities and temperatures: chiral symmetry restoration vs. quark deconfinement
- Quark stars under strong magnetic fields
- Phase transition from nuclear matter to color superconducting quark matter: the effect of the isospin
- Phase diagrams in the Hadron-PNJL model
- Influence of vector interactions on the hadron-quark/gluon phase transition
- Isospin- and momentum-dependent effective interactions for the baryon octet and the properties of hybrid stars
- Symmetry Energy Effects on the Mixed Hadron-Quark Phase at High Baryon Density
- Vector interaction strength in Polyakov-Nambu-Jona-Lasinio models from hadron-quark phase diagrams
- Equation of State for Hot and Dense Matter: -- Model with Scaled Hadron Masses and Couplings
- Nonextensive statistical effects in the hadron to quark-gluon phase transition
- Chemical and mechanical instability in warm and dense nuclear matter
- Symmetry energy systematics and its high density behavior
- Quark deconfinement and the duration of short Gamma Ray Bursts
- Hadron-quark phase transition in asymmetric matter with boson condensation
- Isovector properties of quark matter and quark stars in an isospin-dependent confining model
- Interface effects of strange quark matter with density dependent quark masses
- Hadron-quark phase transition in asymmetric matter with dynamical quark masses
- Theoretical predictions of experimental observables sensitive to the symmetry energy: Results of the SMF transport model
- Nonextensive Nuclear Liquid-Gas Phase Transition
- Phase transition of strongly interacting matter with a chemical potential dependent Polyakov loop potential
- Phase transitions of hadronic to quark matter at finite T and μ_B
- Isospin Dynamics in Heavy Ion Collisions: EoS-sensitive Observables
- Warm asymmetric quark matter and proto-quark stars within the confined-isospin-density-dependent mass model
- Hadronic freeze-out in an effective relativistic mean field model
- Hadron-quark phase transition: the QCD phase diagram and stellar conversion
- Heavy Ion Collisions at Relativistic Energies: Testing a Nuclear Matter at High Baryon and Isospin Density
- Nuclear Matter and Nuclear Dynamics
- Symmetry energy in cold dense matter
- Constraining the Symmetry Energy: A Journey in the Isospin Physics from Coulomb Barrier to Deconfinement
- Symmetry energy softening in nuclear matter with non-nucleonic constituents
- Quark matter symmetry energy effect on equation of state for neutron stars
- Interface effects of strange quark matter
- Thermal fluctuations of matter composition and quark nucleation in compact stars
- Determination of hadron-quark phase transition line from lattice QCD and two-solar-mass neutron star observations
- Formation of quark phases in protoneutron stars: the transition from the 2SC to the normal quark phase
- Probing the hadron-quark mixed phase at high isospin and baryon density - Sensitive observables
- Nonlinear statistical effects in relativistic mean field theory
- Probing the symmetry energy at high baryon density with heavy ion collisions
- Role of thermal fluctuations in nucleation of three-flavor quark matter
- Heavy Ion Dynamics and Neutron Stars
- Strangeness production at finite temperature and baryon density in an effective relativistic mean field model
- Isentropic thermodynamics across the hadron-quark mixed phase in a two-phase model with a PNJL quark description
- Effects of Strong Magnetic Fields on the Hadron-Quark Deconfinement Transition