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With a view to exploring a new kind of phase transition in the process of hadronization of quark-gluon plasma (QGP) we investigate the occurrence of pentaquark baryons and tetraquark mesons in the system. For this purpose, the frame work of…

高能物理 - 唯象学 · 物理学 2007-05-23 R. S. Kaushal

Non-equilibrium features of a first order phase transition from the quark-gluon plasma to a hadronic gas in relativistic heavy-ion collisions are discussed. It is demonstrated that strong collective expansion may lead to the fragmentation…

高能物理 - 唯象学 · 物理学 2009-10-31 I. N. Mishustin

It is generally believed that the quark-hadron transition at small values of baryon chemical potentials $\mu_B$ is a crossover but changes to a first-order phase transition with an associated critical endpoint (CEP) as $\mu_B$ increases.…

核理论 · 物理学 2019-02-01 Kai-Jia Sun , Lie-Wen Chen , Che Ming Ko , Jie Pu , Zhangbu Xu

Heavy-ion collisions at very high colliding energies are expected to produce a quark-gluon plasma (QGP) at the highest temperature obtainable in a laboratory setting. Experimental studies of these reactions can provide an unprecedented…

The aim of this study is to investigate the possibility of the Quark Gluon Plasma (QGP) formation in proton-proton (p-p) collisions. The p-p collisions at center of mass energies $\sqrt{s_{_{NN}}} = 200$ $GeV$ and $\sqrt{s_{_{NN}}} = 13$…

高能物理 - 实验 · 物理学 2019-10-30 M. T. AlFiky , O. T. ElSherif , A. M. Hamed

With the advent of unprecedented collision energy at the Large Hadron Collider, CERN, Geneva, a new domain of particle production and possible formation of Quark-Gluon Plasma (QGP) in high-multiplicity proton-proton collisions and the…

高能物理 - 唯象学 · 物理学 2023-07-28 Raghunath Sahoo

Consequences of the constraint of SU(3) colour singletness of quark-gluon plasma are studied. This restriction increases the free energy barrier for the formation of hadronic bubble in supercooled phase and influences significantly the…

核理论 · 物理学 2011-07-19 M. G. Mustafa , D. K. Srivastava , B. Sinha

In nucleus-nucleus collisions at relativistic energies a new kind of matter is created, the Quark-Gluon Plasma (QGP). The phase diagram of such matter and the chemical freeze-out points will be presented in connection to the pseudo-critical…

高能物理 - 唯象学 · 物理学 2022-12-27 Peter Braun-Munzinger , Anar Rustamov , Johanna Stachel

At high temperatures and densities the nuclear matter undergoes a phase transition to a new state of matter called quark gluon plasma (QGP). This new state of matter which existed in the universe after a few microsecond of the big bang can…

核理论 · 物理学 2012-03-15 Jan-e Alam

Quantum Chromo Dynamics (QCD), the theory of strong interactions, predicts a transition of the usual matter to a new phase of matter, called Quark-Gluon Plasma (QGP), at sufficiently high temperatures. The non-perturbative technique of…

高能物理 - 唯象学 · 物理学 2015-05-13 Rajeev S. Bhalerao , Rajiv V. Gavai

Central nuclear collisions at energies far above 1 GeV/nucleon may provide for conditions, where the transition from highly excited hadronic matter into quark matter or quark-gluon plasma can be probed. Here I review our current…

核理论 · 物理学 2009-10-22 Berndt Mueller

In the model of a first order quark-gluon/hadron phase transition in which the hadronic phase is considered as vacuum bubbles growing in the quark-gluon background with chiral symmetry broken inside the bubble, we find the estimate for the…

高能物理 - 唯象学 · 物理学 2009-10-28 L. Burakovsky

Pre-existing density of states for a Quark-Gluon Phase, based on Thomas-Fermi and Bethe mode, is expanded by incorporation of new variables. Results from recent study indicate that perturbations in the form of a finite non-zero chemical…

高能物理 - 唯象学 · 物理学 2024-06-21 Agam K. Jha , Aviral Srivastava

We describe the quark gluon plasma (QGP) as a thermalized quark-gluon system, the thermalized QGP phase of QCD. The hadronization of the thermalized QGP phase is given in a way resembling a coalescence model with correlated quarks and…

高能物理 - 唯象学 · 物理学 2014-11-17 A. Ya. Berdnikov , Ya. A. Berdnikov , A. N. Ivanov , V. A. Ivanova , V. F. Kosmach , V. M. Samsonov , N. I. Troitskaya

We discuss possible experimental signatures of forming a Quark-Gluon plasma in high energy nuclear collisions. In first order phase transitions such as the chiral symmetry restoration supercooling may lead to density fluctuations such as…

核理论 · 物理学 2007-05-23 Henning Heiselberg , Andrew D. Jackson

It is shown that due to contribution of the hadrons, emitted directly from the inner hot region of central heavy ion collision, radial flow of the final state hadrons is rather sensitive to the creation of quark-gluon plasma with mixed…

高能物理 - 唯象学 · 物理学 2007-05-23 D. Yu. Peressounko

The quark gluon plasma (QGP) is one of the most interesting forms of matter providing us with insight on quantum chromodynamics (QCD) and the early universe. It is believed that the heavy-ion collision experiments at the Relativistic Heavy…

核理论 · 物理学 2022-08-01 Wenkai Fan

We review the methods and results obtained in an analysis of the experimental heavy ion collision research program at nuclear beam energy of 160-200A GeV. We study strange, and more generally, hadronic particle production experimental data.…

核理论 · 物理学 2009-11-06 Jean Letessier , Johann Rafelski

The problem of cluster formation and growth in first-order quark-hadron phase transition in heavy-ion collisions is considered. Behaving as Brownian particles, the clusters carry out random walks and can encounter one another, leading to…

高能物理 - 唯象学 · 物理学 2009-10-28 Rudolph C. Hwa , C. S. Lam , Jicai Pan

Quark-Gluon Plasma (QGP), a QCD state of matter created in ultra-relativistic heavy-ion collisions, has remarkable properties, including, for example, a low shear viscosity over entropy ratio. By detecting the collection of low-momentum…

高能物理 - 唯象学 · 物理学 2022-09-20 Liliana Apolinário , Yen-Jie Lee , Michael Winn