QCD calculations of thermal photon and dilepton production

Abstract

In this talk, I review new developments of QCD calculations of photon and dilepton production rates in a Quark-Gluon plasma. All the rates are now known up to $O({\alpha }_s)$ both for photons and dileptons, thanks to the resummation of multiple scatterings. For dileptons, a direct numerical calculation on the lattice attempted recently will also be discussed.

10 pages, 10 postscript figures, Plenary talk given at Quark-Matter 2002, July 18-24, 2002, Nantes, France

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