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In this work, the Friedman equations for hadronic matter in the Robertson-Walker metric in the early Universe are obtained. We consider the hadronic phase, formed after the hadronization of the quark-gluon plasma, that means times from…

核理论 · 物理学 2015-05-21 Ivan E. Cunha , Celso C. Barros

Dynamics of relativistic heavy-ion collisions is investigated on the basis of a simple (1+1)-dimensional hydrodynamical model in light-cone coordinates. The main emphasis is put on studying sensitivity of the dynamics and observables to the…

高能物理 - 唯象学 · 物理学 2008-11-26 Igor N. Mishustin

We show that the phenomenology of isospin effects on heavy ion reactions at intermediate energies (few AGeV range) is extremely rich and can allow a ``direct'' study of the covariant structure of the isovector interaction in the hadron…

核理论 · 物理学 2008-11-26 M. Di Toro , M. Colonna , G. Ferini , T. Gaitanos , V. Greco , H. H. Wolter

The hydrodynamic expansion rate of quark gluon plasma (QGP) is evaluated and compared with the scattering rate of quarks and gluons within the system. Partonic scattering rates evaluated within the ambit of perturbative Quantum…

核理论 · 物理学 2011-08-11 Santosh K Das , Jan-e Alam , Payal Mohanty

In order to study the nuclear matter in the relativistic heavy ion collisions and the compact stars, we need the hadronic density of states for the entire ($\mu_B-T$) phase transition diagram. We present a model for the continuous…

核理论 · 物理学 2010-11-30 Ismail Zakout , Carsten Greiner

We study the kinetic equilibration of gluons produced in the very early stages of a high energy heavy ion collision in a ``self-consistent'' relaxation time approximation. We compare two scenarios describing the initial state of the gluon…

高能物理 - 唯象学 · 物理学 2009-11-07 J. Serreau , D. Schiff

We study the production and the evolution of quark-gluon plasma expected to be formed in ultra relativistic heavy-ion collisions, within the color flux-tube model. We introduce the gluonic component in the Boltzmann equation, which we solve…

高能物理 - 唯象学 · 物理学 2008-11-26 Gouranga C Nayak , V. Ravishankar

Recent theoretical explanations for how hydrodynamic-like flow can build up quickly in small collision systems (hydrodynamization) has led to a microscopic picture of flow building up in a gluon-dominated phase before chemical equilibrium…

高能物理 - 唯象学 · 物理学 2021-12-08 Sumit Basu , Peter Christiansen , Alice Ohlson , David Silvermyr

We study the charmed meson and baryon production and elliptic flow in ultra-relativistic nucleus-nucleus collisions at the LHC energies. The space-time evolution of quark-gluon plasma (QGP) produced in these energetic collisions is obtained…

高能物理 - 唯象学 · 物理学 2024-02-07 Yu-Fei Liu , Wen-Jing Xing , Xiang-Yu Wu , Shanshan Cao , Guang-You Qin , Shu-Qing Li

The expansion and hadronization of a quark meson plasma is studied using an effective chiral interaction Lagrangian. The particles we consider are light as well as strange quarks, which can form pions, kaons and eta mesons via collision…

高能物理 - 唯象学 · 物理学 2009-10-31 P. Rehberg , J. Aichelin

We discuss mechanisms that change the hadron chemistry for high momentum particles emitted in high energy nuclear collisions. We argue that particle ratios naturally tend to be different from jets in the vacuum. We show results of…

核理论 · 物理学 2010-04-22 R. J. Fries

We argue that if the growing part of hadron-hadron cross section (described phenomenologically by the supercritical soft Pomeron) is due to instanton/sphaleron mechanism, one should find certain qualitative features of the produced cluster…

高能物理 - 唯象学 · 物理学 2009-11-07 Edward V. Shuryak

Using a unified hadron-quark effective model for the QCD equation of state, this paper studies the phase structure of strongly interacting matter in a wide range of temperature and baryonchemical potential. At small potentials the model…

高能物理 - 唯象学 · 物理学 2013-08-22 Philip Rau , Jan Steinheimer , Stefan Schramm

We investigate the relativistic equation of state of hadronic matter and quark-gluon plasma at finite temperature and baryon density in the framework of the nonextensive statistical mechanics, characterized by power-law quantum…

核理论 · 物理学 2014-11-21 A. Lavagno , D. Pigato , P. Quarati

Highly effective conversion of kinetic energy into abundant particle multiplicity is the remarkable feature discovered in high energy heavy ion collisions. This short and pedagogic review addresses topical issues related to the…

核理论 · 物理学 2009-04-17 Johann Rafelski

The hydrokinetic approach, that incorporates hydrodynamic expansion of the systems formed in A+A collisions and their dynamical decoupling, is applied to restore the initial conditions and space-time picture of the matter evolution in…

核理论 · 物理学 2011-03-24 Iu. A. Karpenko , Yu. M. Sinyukov

We bring up the fact that the bulk thermal properties of the hadron gas, as measured on the lattice, preclude a very fast rising of the number of resonance states in the QCD spectrum, as assumed by the Hagedorn hypothesis, unless a…

核理论 · 物理学 2016-11-01 Wojciech Broniowski

We study the evolution of the quark-gluon composition of the plasma created in ultra-Relativistic Heavy-Ion Collisions (uRHIC's) employing a partonic transport theory that includes both elastic and inelastic collisions plus a mean fields…

核理论 · 物理学 2013-12-09 F. Scardina , M. Colonna , S. Plumari , V. Greco

A standard picture in cosmology has been emerging over the past decade in which a phase transition, associated with chiral symmetry breaking after the electroweak transition, has occurred at approximately $10^{-6}$ seconds after the Big…

广义相对论与量子宇宙学 · 物理学 2011-04-04 K. Atazadeh , A. M. Ghezelbash , H. R. Sepangi

Transition from the quark-gluon (QG) plasma to a hadronic gas is studied in the framework of the relativistic combustion theory. The calculations reveal that the QG phase must be in a strongly supercooled state. The stability of this…

高能物理 - 唯象学 · 物理学 2009-09-25 Neven Bilic
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