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

  • 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.

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Author:Adrian Dumitru, Ulrich Katscher, Joachim Maruhn, Horst StöckerORCiDGND, Walter GreinerGND, Dirk-Hermann RischkeORCiDGND
ArXiv Id:http://arxiv.org/abs/hep-ph/9411358
Document Type:Preprint
Year of Completion:2005
Year of first Publication:2005
Publishing Institution:Universitätsbibliothek Johann Christian Senckenberg
Release Date:2006/02/22
Tag:Kollisionen schwerer Ionen; Quark-Gluon-Plasma; ultrarelativistische
heavy-ion collisions; quark-gluon plasma; ultrarelativistic
Preprint, Report-no: UFTP 375/1994, Phys. Rev. C, 51. 1995, S. 2166-2170
Source:Report-no: UFTP 375/1994, Phys.Rev.C51:2166-2170,1995. [hep-ph/9411358]
Institutes:Physik / Physik
Wissenschaftliche Zentren und koordinierte Programme / Frankfurt Institute for Advanced Studies (FIAS)
Dewey Decimal Classification:5 Naturwissenschaften und Mathematik / 53 Physik / 530 Physik
Licence (German):License LogoDeutsches Urheberrecht