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The energy densities achieved during central collisions of large nuclei at the AGS may be high enough to allow the formation of quark--gluon plasma. We propose that most collisions at AGS energies produce superheated hadronic matter, but in…

核理论 · 物理学 2007-05-23 A. P. Vischer

Quarkonium production in high-energy proton (deuteron)-nucleus collisions is investigated in the color glass condensate framework. We employ the color evaporation model assuming that the quark pair produced from dense small-x gluons in the…

高能物理 - 唯象学 · 物理学 2015-06-15 Hirotsugu Fujii , Kazuhiro Watanabe

Short-range quark-quark correlations in hot nuclear matter are examined within the modified quark-meson coupling model (MQMC) by adding repulsive scalar and vector quark-quark interactions. Without these correlations, the bag radius…

核理论 · 物理学 2008-11-26 I. Zakout , H. R. Jaqaman

A DGP brane-world model with a perfect fluid brane matter including a Brans-Dicke (BD) scalar field on brane has been utilized to investigate the problem of the quark-hadron phase (QHP) transition in early times of the Universe evolution.…

广义相对论与量子宇宙学 · 物理学 2020-07-02 T. Haddad , T. Golanbari , A. Mohammadi , MA. Rasheed , Kh. Saaidi

The quark-gluon plasma (QGP) is an exotic phase of matter, composed of deconfined quarks and gluons and is briefly created in heavy-ion collisions (HIC) at the LHC and at the RHIC. High-energy, self-collimated structures of final-state…

高能物理 - 唯象学 · 物理学 2023-11-10 Eamonn Weitz

The spectroscopic properties of heavy quarkonia are substantially different in the quark-gluon plasma (QGP) that is created in relativistic heavy-ion collisions as compared to the vacuum situation that can be tested in pp collisions at the…

高能物理 - 唯象学 · 物理学 2020-11-03 Georg Wolschin

Experimental findings of recent years blurred the frontier between large and small systems. The features attributed to the Quark Gluon Plasma formation have also been found in smaller systems when measuring particle production in high…

高能物理 - 实验 · 物理学 2024-01-26 Nicolò Jacazio

Parton equilibration studies for thermally equilibrated but chemically non-equilibrated quark-gluon-plasma (QGP), likely to be formed at the relativistic colliders at BNL and CERN is presented.Parton equilibration is studied enforcing…

核理论 · 物理学 2008-12-14 Abhijit Sen

The time-scales of rehadronization are considered for a baryon-free QGP at RHIC and LHC energies. The non-equilibrium nucleation scenario leads to mechanical instability of the supercooled QGP phase which then may be suddenly converted in a…

高能物理 - 唯象学 · 物理学 2007-05-23 T. Csorgo , L. P. Csernai

This is a critical review of the various observables that have been proposed to signal the change from dense hadronic matter to a quark-gluon plasma at high temperature or baryon density. I discuss current models of quark-gluon plasma…

核理论 · 物理学 2014-11-18 Berndt Mueller

In the canonical picture of the evolution of the quark-gluon plasma during a high-energy heavy-ion collision, quarks are produced in two waves. The first is during the first fm/c of the collision, when gluons thermalize into the QGP. After…

核理论 · 物理学 2015-05-30 Scott Pratt

We provide an overview of the present understanding of the transition from hadrons to a quark-gluon plasma, its signatures, and the experimental results so far. We discuss results of numerical simulations of the lattice gauge theory and…

高能物理 - 唯象学 · 物理学 2011-07-18 John W. Harris , Berndt Müller

Lattice QCD simulations have shown unequivocally that the transition from hadrons to quarks and gluons is a crossover when the baryon chemical potential is zero or small. Many model calculations predict the existence of a critical point at…

核理论 · 物理学 2022-08-17 J. I. Kapusta , C. Plumberg , T. Welle

The temperature and chemical potential dependent surface tension of bags is introduced into the gas of quark-gluon bags model. The suggested model is solved analytically. It resolves a long standing problem of a unified description of the…

核理论 · 物理学 2007-11-20 K. A. Bugaev

We investigate the density fluctuations induced by hadronic interactions at low temperatures and large chemical potentials after the hadronization of quark-gluon plasma~(QGP). We analyze the structures of net-baryon number kurtosis and…

核理论 · 物理学 2020-04-29 Guo-yun Shao , Xue-yan Gao , Wei-bo He

Entropy production in the compression stage of heavy ion collisions is discussed within three distinct macroscopic models (i.e. generalized RHTA, geometrical overlap model and three-fluid hydrodynamics). We find that within these models…

核理论 · 物理学 2009-10-31 M. Reiter , A. Dumitru , J. Brachmann , J. A. Maruhn , H. Stöcker , W. Greiner

In a Quark-Gluon Plasma (QGP), the fundamental building blocks of matter, quarks and gluons, are under extreme conditions of temperature and density. A QGP could exist in the early stages of the Universe, and in various objects and events…

核实验 · 物理学 2024-02-06 STAR Collaboration

We consider time-scales of first-order deconfinement or chiral-symmetry restoring phase transition in high energy heavy ion collisions at RHIC and LHC energies. Recently it was shown that the system must supercool below $T_c$ before the…

高能物理 - 唯象学 · 物理学 2008-02-03 T. Csorgo , L. P. Csernai

A dense parton system is expected to be formed in the early stage of relativistic heavy-ion collisions at RHIC energies and above. The probability of a quark gluon plasma production and the resulting strength of its signatures depends…

高能物理 - 唯象学 · 物理学 2010-11-30 Victor Goncalves

Heavy-ion collision experiments at RHIC and the LHC have found a new emergent phase of QCD, a strongly coupled quark-gluon plasma (sQGP) that is distinctively different from either the low temperature hadron phase or the very high…

核理论 · 物理学 2017-03-08 Jinfeng Liao