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"

ABSTRACT:
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.



