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Related papers: Dilepton emission from an equlibrating non-abelian…

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We calculate the production of large mass dileptons from the jet-dilepton conversion in the expanding quark-gluon plasma at Relativistic Heavy Ion Collider (RHIC) and Large Hadron Collider (LHC) energies. The jet-dilepton conversion exceeds…

High Energy Physics - Phenomenology · Physics 2015-09-01 Yong-Ping Fu , Qin Xi

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 calculate leading-order medium photon yields from a quark-gluon plasma using (3+1)-dimensional anisotropic hydrodynamics. Non-equilibrium corrections to the photon rate are taken into account using a self-consistent modification of the…

High Energy Physics - Phenomenology · Physics 2016-03-09 Lusaka Bhattacharya , Radoslaw Ryblewski , Michael Strickland

The effects of collisional processes in the hot QCD medium to thermal dilepton production from $q\overline{q}$ annihilation in relativistic heavy-ion collisions have been investigated. The non-equilibrium corrections to the momentum…

High Energy Physics - Phenomenology · Physics 2022-09-02 Lakshmi J. Naik , V. Sreekanth , Manu Kurian , Vinod Chandra

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

Assuming that gluon condensates are important even above the deconfining phase transition, we develop a model for the dilepton yield from a quark gluon plasma. Using a simple fire ball description of a heavy ion collision, and various…

High Energy Physics - Phenomenology · Physics 2009-10-31 C. -H. Lee , J. Wirstam , I. Zahed , T. H. Hansson

Kinetic equations are used to study thermalization of the anisotropic quark-gluon plasma produced by decays of color flux tubes possibly created at the very early stages of relativistic heavy-ion collisions. The decay rates of the initial…

High Energy Physics - Phenomenology · Physics 2014-12-12 Wojciech Florkowski , Radoslaw Ryblewski

We calculate the production of large mass dileptons from the passage of jets passing through the quark-gluon plasma. Using the relativistic kinetic theory, we rigorously derive the production rate for the jet-dilepton conversion in the hot…

High Energy Physics - Phenomenology · Physics 2015-06-03 Yong-Ping Fu , Yun-De Li

We review the transport properties of the strongly interacting quark-gluon plasma (QGP) created in heavy-ion collisions at ultrarelativistic energies, i.e. out-of equilibrium, and compare them to the equilibrium properties. The description…

Nuclear Theory · Physics 2021-12-15 Olga Soloveva , Pierre Moreau , Elena Bratkovskaya

A model of statistical quark-gluon plasma formation is considered.We look the dilepton production at critical temperature $T_{c}\sim170 Mev $ and completely free out temperature $T=150 MeV$ with the initial temperature as $T_{0}=570,400…

High Energy Physics - Phenomenology · Physics 2008-03-12 S. Somorendro Singh , Yogesh Kumar , D. S. Gosain

We consider the thermal production of dileptons and photons at temperatures above the critical temperature in QCD. We use a model where color excitations are suppressed by a small value of the Polyakov loop, the semi Quark-Gluon Plasma…

High Energy Physics - Phenomenology · Physics 2015-03-05 C. Gale , Y. Hidaka , S. Jeon , S. Lin , J. -F. Paquet , R. D. Pisarski , D. Satow , V. V. Skokov , G. Vujanovic

Dilepton production associated with minijets is calculated in ultrarelativistic heavy ion collisions using the first order approximation of the dilepton fragmentation functions of quarks and gluons. The full QCD evolution of the…

Nuclear Theory · Physics 2009-10-22 K. J. Eskola , Xin-Nian Wang

We study the production and the equilibration of a non-Abelian $q\bar{q}$ plasma in an external chromoelectric field, by solving the Boltzmann equation with the non-Abelian features explicitly incorporated. We consider the gauge group…

High Energy Physics - Theory · Physics 2009-10-30 G. C. Nayak , V. Ravishankar

The electromagnetic emissivity from QCD media away from equilibrium is studied in the framework of closed time path thermal field theory. For the dilepton rate a nonequilibrium mesonic medium is considered applying finite temperature…

High Energy Physics - Phenomenology · Physics 2011-04-15 R. Baier , M. Dirks , K. Redlich

We compute the hard photon production rate of a chemically non-equilibrated quark-gluon plasma. We assume that the plasma is already thermally equilibrated, i.~e. describable by a temperature, but with a phase-space distribution that…

High Energy Physics - Phenomenology · Physics 2008-11-26 Christoph T. Traxler , Markus H. Thoma

Dilepton production in heavy-ion collisions at collider energies - i.e., for the Relativistic Heavy-Ion Collider (RHIC) and the Large Hadron Collider (LHC) - is studied within an approach that uses coarse-grained transport simulations to…

Nuclear Theory · Physics 2016-08-22 Stephan Endres , Hendrik van Hees , Marcus Bleicher

Partonic matter produced in the early stage of ultrarelativistic nucleus-nucleus collisions is assumed to be composed mainly of gluons, and quarks and antiquarks are produced at later times. To study the implications of such a scenario, the…

In relativistic heavy-ion collisions, a quark-gluon plasma (QGP) is created whose pre-equilibrium evolution includes a rich variety of exciting phenomena of Quantum Chromodynamics. In these Proceedings, we provide a short overview of our…

High Energy Physics - Phenomenology · Physics 2023-08-08 Kirill Boguslavski

According to the dynamical quasiparticle model (DQPM) - matched to reproduce lattice QCD results in thermodynamic limit, - the constituents of the strongly interacting quark-gluon plasma (sQGP) are massive and off-shell quasi-particles…

Nuclear Theory · Physics 2015-05-18 O. Linnyk , E. L. Bratkovskaya , W. Cassing

The dilepton radial flow in Au+Au collisions at \sqrt{s_{NN}}=200 GeV is investigated. The space-time evolution of the fireball is described by a 2+1 dimensional ideal hydrodynamics with a variety of equations of state. The slope parameters…

Nuclear Theory · Physics 2011-09-12 Jian Deng , Qun Wang , Nu Xu , Pengfei Zhuang