Nuclear Physics Seminars

ics Nuclear
Tuesday, November 29, 2005
3:30 PM
Physics Building, Room 204
Pasi Huovinen [Host: Donal Day]
UVa and University of Jyväskylä, Finland
"Studying the QCD Equation of State with Hydrodynamics"
The lattice QCD calculations predict a phase transition from hadronic matter to matter where the basic degrees of freedom are partons instead of hadrons around 170 MeV temperature. It is hoped that this phase transition could be experimentally observed in the heavy ion collision experiments at BNL's RHIC collider. In this talk I will discuss how one can compare the lattice QCD predictions to experimental results by using hydrodynamics to describe the expansion stage of the collision process. The data favor a scenario with a phase transition, but surprisingly the order of the phase transition seems to be different from the QCD prediction.

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