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SUMMARY:Time evolution of the sQGP from new solutions of relativistic hydr
odynamics
DTSTART;VALUE=DATE-TIME:20120816T200000Z
DTEND;VALUE=DATE-TIME:20120816T220000Z
DTSTAMP;VALUE=DATE-TIME:20200601T174732Z
UID:indico-contribution-308370@indico.cern.ch
DESCRIPTION:Speakers: Mate Csanad ()\nThe time evolution of the strongly i
nteracting quark gluon plasma (sQGP) created in relativistic heavy ion col
lisions can be described by hydrodynamical models. Hadrons are created at
the freeze-out of this fluid\, thus their distributions reveal information
about the final state. To access the time evolution and the initial state
\, one needs either additional information about the Equation of State (Eo
S) of this matter\, or one needs to analyze penetrating probes\, such as d
irect photon observables. [1] In this talk we review recent hydrodynamic s
olutions\, and show new exact\, analytic solutions of hydrodynamics with a
rbitrary temperature dependent EoS. We investigate special cases of this c
lass of solutions\, in particular\, we present exact hydrodynamical soluti
ons with the Equation of State determined from lattice QCD calculations. [
2] We calculate direct photon spectra\, elliptic flow and HBT radii and co
mpare them to recent direct photon measurements performed by the PHENIX ex
periment at RHIC [3]. The first family of rotating solutions of relativist
ic and non-relativistic hydrodynamics are also shown [4]. The effect of th
e total angular momentum of the system on the elliptic flow and HBT radii
is also reviewed. It is an important result that elliptic flow may be gene
rated by the rotation of the system.\n\nReferences:\n[1]\n"Similar final s
tates from different initial states using new exact solutions of relativis
tic hydrodynamics."\nM. Csanad\, M. Nagy\, T. Csorgo\, Eur.Phys.J.ST 155 (
2008) 19\nand\n"Initial conditions\, equations of state and final state in
hydrodynamics."\nM. Csanad\, Acta Phys.Polon. B40 (2009) 1193\n\n[2]\n"Ex
act solutions of relativistic perfect fluid hydrodynamics for QCD equation
of state"\nM. Csanad and M. Nagy\, in preparation\n\n[3]\n"Equation of st
ate and initial temperature of quark gluon plasma at RHIC"\nM. Csanad and
I. Majer\, Centr. Eur. J. Phys.\, arXiv:1101.1279\n\n[4]\n"New simple expl
icit solutions of perfect fluid hydrodynamics and phase-space evolution"\n
M. Nagy\, Phys.Rev. C83 (2011) 054901\n\nhttps://indico.cern.ch/event/1810
55/contributions/308370/
LOCATION: Regency 1/3 and Ambassador
URL:https://indico.cern.ch/event/181055/contributions/308370/
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