Thermal Dileptons from Quark and Hadron Phases of an Expanding Fireball

Details Thermal Dileptons from Quark and Hadron Phases of an Expanding Fireball Thermal Dileptons from Quark and Hadron Phases of an Expanding Fireball

2000-08-09

arxiv.org/abs/hep-ph/0008083v2

Eur.Phys.J. A9 (2000) 357-364

Physics

High Energy Physics

High Energy Physics - Phenomenology

14 pages, 5 figures; paragraph and one figure added; version to appear in Eur. Phys. J. A

Scientific paper

10.1007/s100500070020

A fireball model with time evolution based on transport calculations is used to examine the dilepton emission rate of an ultra-relativistic heavy-ion collision. We assume a transition from hadronic matter to a quark-gluon plasma at a critical temperature T_C between 130-170 MeV. We include thermal corrections to the hadronic spectra below T_C and use perturbation theory above T_C. The sensitivity of the spectra with respect to the freeze-out temperature, the initial fireball temperature and the critical temperature is investigated.

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