Thermal photons to dileptons ratio at LHC
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It is shown that the ratio of transverse momentum (p_T) distribution of thermal photons to dileptons produced in heavy ion collisions reaches a plateau above p_T=1 GeV. We argue that the value of the ratio in the plateau region can be used to estimate the initial temperature.
2 pages with 2 eps figures
2 pages with 2 eps figures