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Chiral symmetry breaking and confinement effects on dilepton and photon production around Tc

Daisuke Satow, Wolfram Weise
Production rates of dileptons and photons from the quark-gluon (QGP) phase are calculated taking into account effects of confinement and spontaneous chiral symmetry breaking (\chi SB) not far from the transition temperature Tc. We find that the production rates of dileptons with large momenta and of photons originating from the QGP around Tc are suppressed by the \chi SB effect. We also discuss to what extent information about details of the chiral transition, such as its characteristic temperature range and the steepness of the crossover, are reflected in these quantities.
Date of publication: 
Published in: 
Phys. Rev. D 92 (2015) 056001