Pion and thermal photon spectra as a possible signal for a phase transition

A. Dumitru; D.H. Rischke; H. St\"ocker; J.A. Maruhn; U. Katscher; W. Greiner

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Pion and thermal photon spectra as a possible signal for a phase transition

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arxiv hep-ph/9411358 v1 pith:J2VW2HGU submitted 1994-11-22 hep-ph

Pion and thermal photon spectra as a possible signal for a phase transition

A. Dumitru , U. Katscher , J.A. Maruhn , H. St\"ocker , W. Greiner , D.H. Rischke This is my paper

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abstract

We calculate thermal photon and neutral pion spectra in ultrarelativistic heavy-ion collisions in the framework of three-fluid hydrodynamics. Both spectra are quite sensitive to the equation of state used. In particular, within our model, recent data for $S+Au$ at $200$ AGeV can only be understood if a scenario with a phase transition (possibly to a quark-gluon plasma) is assumed. Results for $Au+Au$ at $11$ AGeV and $Pb+Pb$ at $160$ AGeV are also presented.

Pion and thermal photon spectra as a possible signal for a phase transition

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