arXiv:hep-ph/9503347·v1·High Energy Physics — Phenomenology
Thermal photons as a measure for the rapidity dependence of the temperature
A. Dumitru🇩🇪 · U. Katscher🇩🇪 · J.A. Maruhn🇩🇪 · H. Stöcker🇩🇪 · W. Greiner🇩🇪 · D.H. Rischke🇺🇸
Abstract
The rapidity distribution of thermal photons produced in Pb+Pb collisions at CERN-SPS energies is calculated within scaling and three-fluid hydrodynamics. It is shown that these scenarios lead to very different rapidity spectra. A measurement of the rapidity dependence of photon radiation can give cleaner insight into the reaction dynamics than pion spectra, especially into the rapidity dependence of the temperature.
Comments: 3 Figures