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Parton equilibration for a thermally equilibrated but chemically non-equilibrated quark gluon plasma is presented. Parton equilibration is studied enforcing baryon numbver conservation. Process like quark flavour interchanging is also…

Nuclear Theory · Physics 2008-03-13 Abhijit Sen

The chemical equilibration of a highly unsaturated quark-gluon plasma has been studied at finite baryon density. It is found that in the presence of small amount of baryon density, the chemical equilibration for gluon becomes slower and the…

High Energy Physics - Phenomenology · Physics 2009-10-31 D. Dutta , K. Kumar , A. K. Mohanty , R. K. Choudhury

We emphasize that a knowledge of energy and entropy densities of quark gluon plasma - a thermalized de-confined matter, formed in relativistic heavy ion collisions fixes the formation temperature and the product of gluon fugacity and…

Nuclear Theory · Physics 2016-09-22 Dinesh K. Srivastava , Rupa Chatterjee , Munshi G. Mustafa

We investigate the processes leading to phase-space equilibration of parton distributions in nuclear interactions at collider energies. We derive a set of rate equations describing the chemical equilibration of gluons and quarks including…

Nuclear Theory · Physics 2008-11-26 T. S. Biro , E. van Doorn , B. Mueller , M. H. Thoma , X. N. Wang

We solve a leading-order QCD kinetic theory with light quarks and gluon degrees of freedom to study the non-equilibrium dynamics of the quark-gluon plasma (QGP). By including both elastic and inelastic scatterings for quarks and gluon, the…

High Energy Physics - Phenomenology · Physics 2020-10-27 Xiaojian Du , Sören Schlichting

The chemical equilibration of the parton distribution in collisions of two heavy nuclei at the CERN Large Hadron Collider is investigated. Initial conditions are obtained from a self-screened parton cascade calculation. The onset of…

High Energy Physics - Phenomenology · Physics 2009-10-28 Dinesh Kumar Srivastava , Munshi Golam Mustafa , Berndt Müller

Within the framework of a dynamical and physically transparent model developed earlier, we study the time evolution of various quark flavours in the baryon-free region in ultrarelativistic heavy ion collisions. We show that even under…

High Energy Physics - Phenomenology · Physics 2007-05-23 J. Alam , P. Roy , S. Sarkar , S. Raha , B. Sinha

We study the equilibration of a parton plasma in terms of its parton compositions and its state of thermalization. In studying the evolution of the plasma, one has to assume a small value of the strong coupling constant. This value is by no…

Nuclear Theory · Physics 2007-05-23 S. M. H. Wong

We employ a non-equilibrium Quantum Chromodynamics (QCD) kinetic description to study the kinetic and chemical equilibration of the Quark-Gluon Plasma (QGP) at weak coupling. Based on our numerical framework, which explicitly includes all…

High Energy Physics - Phenomenology · Physics 2021-09-22 Xiaojian Du , Sören Schlichting

The relativistic Fokker Planck equation has been used to study the evolution of the quark distribution in the quark gluon phase expected to be formed in ultra-relativistic heavy ion collisions. The effect of thermal masses for quarks and…

Nuclear Theory · Physics 2009-10-30 Pradip Roy , Jane Alam , Sourav Sarkar , Bikash Sinha , Sibaji Raha

We review the properties of the strongly interacting quark-gluon plasma (QGP) at finite temperature $T$ and baryon chemical potential $\mu_B$ as created in heavy-ion collisions at ultrarelativistic energies. The description of the strongly…

We show that $\omega_B$ or $\omega_{\bar B}$, the squared baryon or antibaryon number fluctuation per baryon or antibaryon, is a possible signature for the quark-gluon plasma that is expected to be created in relativistic heavy ion…

Nuclear Theory · Physics 2009-11-07 Zi-wei Lin , C. M. Ko

The major aim of nucleus-nucleus collisions at the LHC is to study the physics of strongly interacting matter and the quark gluon plasma (QGP), formed in extreme conditions of temperature and energy density. We give a brief overview of the…

Nuclear Experiment · Physics 2015-05-13 Tapan Nayak , Bikash Sinha

The evolution and production of strangeness from chemically equilibrating and transversely expanding quark gluon plasma which may be formed in the wake of relativistic heavy ion collisions is studied with initial conditions obtained from…

Nuclear Theory · Physics 2008-11-26 Dipali Pal , Abhijit Sen , Munshi Golam Mustafa , Dinesh Kumar Srivastava

We study the influence of the baryon chemical potential $\mu_B$ on the properties of the Quark-Gluon-Plasma (QGP) in and out-of equilibrium. The description of the QGP in equilibrium is based on the effective propagators and couplings from…

Nuclear Theory · Physics 2020-12-30 O. Soloveva , P. Moreau , L. Oliva , T. Song , W. Cassing , E. Bratkovskaya

One important question in relativistic heavy ion collisions is if hadrons, specifically anti-hyperons, are in equilibrium before thermal freezeout because strangeness enhancement has long been pointed to as a signature for Quark Gluon…

Nuclear Theory · Physics 2007-05-23 J. Noronha-Hostler , C. Greiner , I. A. Shovkovy

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…

High Energy Physics - Phenomenology · Physics 2022-12-27 Peter Braun-Munzinger , Anar Rustamov , Johanna Stachel

We discuss recent experimental results on hadron multiplicities in ultra-relativistic nuclear collisions. The data for central collisions are in quantitative agreement with predictions of a thermal model assuming full chemical…

Nuclear Experiment · Physics 2009-10-31 Peter Braun-Munzinger

We study the influence of the baryon chemical potential $\mu_B$ on the properties of the Quark-Gluon-Plasma (QGP) in and out-of equilibrium. The description of the QGP in equilibrium is based on the effective propagators and couplings from…

Nuclear Theory · Physics 2020-03-04 O. Soloveva , P. Moreau , L. Oliva , V. Voronyuk , V. Kireyeu , T. Song , E. Bratkovskaya

We investigate the thermalization and the chemical equilibration of a parton plasma created from Au+Au collision at LHC and RHIC energies starting from the early moment when the particle momentum distributions in the central region become…

High Energy Physics - Phenomenology · Physics 2008-11-26 S. M. H. Wong
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