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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 investigate the effects of a charge asymmetry on the spectrum of dileptons radiating from a quark gluon plasma. We demonstrate the existence of a new set of processes in this regime. The dilepton production rate from the corresponding…

High Energy Physics - Phenomenology · Physics 2009-11-07 A. Majumder , C. Gale

The observational consequences of certain broken symmetries in a thermalised quark gluon plasma are elucidated. The signature under study is the spectrum of dileptons radiating from the plasma, through gluon fusion. Being a pure medium…

High Energy Physics - Phenomenology · Physics 2010-01-15 A. Majumder , A. Bourque , C. Gale

Dilepton production from the quark-gluon plasma (QGP) phase of ultra-relativistic heavy-ion collisions is computed using the leading-order (3+1)-dimensional anisotropic hydrodynamics. It is shown that high-energy dilepton spectrum is…

High Energy Physics - Phenomenology · Physics 2015-05-18 Radoslaw Ryblewski , Michael Strickland

By considering the effect of shear viscosity we have investigated the evolution of a chemically equilibrating quark-gluon plasma at finite baryon density. Based on the evolution of the system we have performed a complete calculation for the…

Nuclear Theory · Physics 2010-04-22 N. N. Guan , Z. J. He , J. L. Long , X. Z. Cai , Y. G. Ma , J. W. Li , W. Q. Shen

Using the Landau-level representation for the imaginary part of the photon polarization tensor, we derive an explicit expression for the dilepton production rate from a hot quark-gluon plasma in a quantizing background magnetic field. We…

Nuclear Theory · Physics 2022-08-16 Xinyang Wang , Igor A. Shovkovy

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 production by the constituents of the strongly interacting quark-gluon-plasma (sQGP) is addressed. In order to make quantitative predictions at realistically low plasma temperatures (O(T_c)), experimentally relevant low…

High Energy Physics - Phenomenology · Physics 2011-01-17 O. Linnyk

We calculate the emission of large mass dileptons originating from the annihilation of quark jets passing through quark gluon plasma. Considering central collisions of heavy nuclei at SPS, RHIC and LHC energies, we find that the yield due…

Nuclear Theory · Physics 2009-11-07 D. K. Srivastava , C. Gale , R. J. Fries

Dilepton production in relativistic heavy-ion collisions is studied within the microscopic Parton-Hadron-String Dynamics (PHSD) transport approach, which is based on a dynamical quasiparticle model (DQPM) matched to reproduce lattice QCD…

Nuclear Theory · Physics 2015-05-20 O. Linnyk , W. Cassing , E. L. Bratkovskaya , J. Manninen

Recently lots of efforts have been made to obtain the next to leading order and Landau-Pomeranchuk-Migdal corrections to the thermal dilepton emission rate in perturbative QCD. Here we apply these results to the plasma created in heavy ion…

Nuclear Theory · Physics 2016-04-13 Yannis Burnier , Chiara Gastaldi

Dilepton invariant-mass spectra for heavy-ion collisions at SIS 18 and BEVALAC energies are calculated using a coarse-grained time evolution from the Ultra-relativistic Quantum Molecular Dynamics (UrQMD) model. The coarse-graining of the…

Nuclear Theory · Physics 2015-08-04 Stephan Endres , Hendrik van Hees , Janus Weil , Marcus Bleicher

This work calculates the first correction to the leading order q\={q} dilepton production rates due to shear viscosity in an expanding gas. The modified rates are integrated over the space-time history of a viscous hydrodynamic simulation…

Nuclear Theory · Physics 2008-11-26 Kevin Dusling , Shu Lin

We investigate dilepton production in a thermalized quark--gluon plasma subject to global rotation, in the rigid rotating approximation. We consider a generic process involving quark-antiquark annihilation followed by the emission of a…

High Energy Physics - Phenomenology · Physics 2026-04-03 Jorge David Castaño-Yepes , Enrique Muñoz

We use QCD kinetic theory to compute photon and dilepton production in the chemically equilibrating out-of-equilibrium quark-gluon plasma created in the early stages of high-energy heavy-ion collisions. We derive universal scaling functions…

High Energy Physics - Phenomenology · Physics 2024-04-04 Oscar Garcia-Montero , Aleksas Mazeliauskas , Philip Plaschke , Sören Schlichting

We calculate leading-order dilepton yields from a quark-gluon plasma which has a time-dependent anisotropy in momentum space. Such anisotropies can arise during the earliest stages of quark-gluon plasma evolution due to the rapid…

High Energy Physics - Phenomenology · Physics 2014-11-18 Mauricio Martinez

We calculate the yield and elliptic flow of mid-rapidity dileptons emitted from the quark-gluon plasma generated in Pb-Pb collisions at LHC. We use relativistic anisotropic hydrodynamics for the 3+1 dimensional evolution of the quark-gluon…

High Energy Physics - Phenomenology · Physics 2019-02-26 Babak S. Kasmaei , Michael Strickland

We calculate the order \alpha_s finite temperature correction to dilepton production in quark-gluon plasma arising from the two-loop photon self-energy diagrams for high invariant mass M >> T.

High Energy Physics - Phenomenology · Physics 2009-10-31 J. I. Kapusta , S. M. H. Wong

We study Drell-Yan (DY) dilepton production in proton(deuterium)-nucleus and in nucleus-nucleus collisions within the light-cone color dipole formalism. This approach is especially suitable for predicting nuclear effects in the DY cross…

High Energy Physics - Phenomenology · Physics 2008-11-26 B. Z. Kopeliovich , J. Raufeisen , A. V. Tarasov , M. B. Johnson

We calculate leading-order medium photon and dilepton yields from a quark-gluon plasma using (3+1)-dimensional anisotropic hydrodynamics. In the case of dileptons, at leading-order it is sufficient to take into account non-equilibrium…

High Energy Physics - Phenomenology · Physics 2015-09-15 Lusaka Bhattacharya , Radoslaw Ryblewski , Michael Strickland