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Dilepton production at next-to-leading order and intermediate invariant-mass observables
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abstract
The thermal QCD dilepton production rate is calculated at next-to-leading order in the strong coupling and at finite baryon chemical potential. The two-loop virtual photon self-energy is evaluated using finite temperature field theory and combined consistently with the self-energy in the Landau-Pomeranchuk-Migdal regime. We present new results for a dense baryonic plasma. The rates are then integrated using (3+1)-dimensional fluid-dynamical simulations calibrated to reproduce hadronic experimental results obtained at RHIC at energies ranging from those of the Beam Energy Scan to $\sqrt{s_{_{\rm NN}}} = 200$ GeV. We elaborate on the ability for dileptons to relay information about the plasma baryonic content and temperature.
Forward citations
Cited by 4 Pith papers
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Thermal dilepton production within conformal viscous Gubser flow
Thermal dilepton yields and effective temperatures are computed for conformal viscous Gubser flow, showing larger yields for lower q (larger systems) and higher effective temperatures for smaller systems.
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Beyond leading-logarithm photon production from two-loop diagrams in a hot QCD medium
Two-loop imaginary-time QCD self-energies yield the same hard-photon LL and BLL rates as kinetic theory for Compton and qq̄ annihilation, with topology II vanishing on-shell but restoring the Ward identity.
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