Thermal dilepton production in collisional hot QCD medium in the presence of chromo-turbulent fields

Abstract

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 distribution function have been estimated within the framework of ensemble-averaged diffusive Vlasov-Boltzmann equation, encoding the effects of collisional processes and turbulent chromo-fields in the medium. The contributions from the $2\to 2$ elastic scattering processes have been quantified for the thermal dilepton production rate. It is seen that the collisional corrections enhance the equilibrium dilepton spectra at high $p_T$ and suppress at lower $p_T$. A comparative study between collisional and anomalous contributions to the dilepton production rates has also been explored. The collisional contributions are seen to be marginal over that due to collisionless anomalous transport.

arXiv comment13 pages, 8 figures

References in corpus (46)

• Experimental and Theoretical Challenges in the Search for the Quark Gluon Plasma: The STAR Collaboration's Critical Assessment of the Evidence from RHIC Collisions
• Formation of dense partonic matter in relativistic nucleus-nucleus collisions at RHIC: Experimental evaluation by the PHENIX collaboration
• Quark Gluon Plasma an Color Glass Condensate at RHIC? The perspective from the BRAHMS experiment
• The PHOBOS Perspective on Discoveries at RHIC
• Viscosity Information from Relativistic Nuclear Collisions: How Perfect is the Fluid Observed at RHIC?
• Hydrodynamic Modeling of Heavy-Ion Collisions
• Transport coefficients in high temperature gauge theories: (I) Leading-log results
• Perfect Fluidity of the Quark Gluon Plasma Core as Seen through its Dissipative Hadronic Corona
• Two-loop QCD gauge coupling at high temperatures
• Anomalous Viscosity of an Expanding Quark-Gluon Plasma
• Small Shear Viscosity of a Quark-Gluon Plasma Implies Strong Jet Quenching
• Thermal Dileptons as Fireball Thermometer and Chronometer
• Thermal Photons and Lepton Pairs from Quark Gluon Plasma and Hot Hadronic Matter
• Direct Photons from Relativistic Heavy-Ion Collisions
• Landau-Pomeranchuk-Migdal resummation for dilepton production
• Shear Viscosity Coefficient from Microscopic Models
• Anomalous Transport Processes in Anisotropically Expanding Quark-Gluon Plasmas
• Electromagnetic spectral properties and Debye screening of a strongly magnetized hot medium
• Dilepton emission in high-energy heavy-ion collisions with viscous hydrodynamics
• A quasi-particle description of $(2+1)$- flavor lattice QCD equation of state
• Effective description of hot QCD medium in strong magnetic field and longitudinal conductivity
• Two-loop HTL pressure at finite temperature and chemical potential
• Transport coefficients of hot magnetized QCD matter beyond the lowest Landau level approximation
• Transport coefficients of a hot QCD medium and their relative significance in heavy-ion collisions
• Dilepton production from a viscous QGP
• Electromagnetic spectral function and dilepton rate in a hot magnetized QCD medium
• Thermal Relaxation, Electrical Conductivity and Charge Diffusion in a Hot QCD Medium
• Production of energetic dileptons with small invariant masses from the quark-gluon plasma
• Electrical Conductivity of an Anisotropic Quark Gluon Plasma : A Quasiparticle Approach
• Covariant kinetic theory for effective fugacity quasi particle model and first order transport coefficients for hot QCD matter
• Thermal photons in QGP and non-ideal effects
• Collective excitations of a hot anisotropic QCD medium with Bhatnagar-Gross-Krook collisional kernel within an effective description
• Viscosity and thermodynamic properties of QGP in relativistic heavy ion collisions
• Particle production in relativistic heavy-ion collisions: A consistent hydrodynamic approach
• Cavitation and thermal dilepton production in QGP
• Hard dilepton production from a weakly magnetized hot QCD medium
• Testing thermal photon and dilepton rates
• Longitudinal conductivity of hot magnetized collisional QCD medium in the inhomogeneous electric field
• Investigating the temperature dependence of the specific shear viscosity of QCD matter with dilepton radiation
• Spinodal decomposition in polarised Fermi superfluids
• Viscous modifications to quark and gluon distribution functions in quark-gluon plasma medium
• Correction Factors for Reactions involving Quark-Antiquark Annihilation or Production
• The contribution of NLO and LPM corrections to thermal dilepton emission in heavy ion collisions
• Impact of momentum anisotropy and turbulent chromo-fields on thermal particle production in quark-gluon plasma medium
• Probing vorticity in heavy ion collision with dilepton production
• Discrepancy in low transverse momentum dileptons from relativistic heavy-ion collisions

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