Nuclear Physics Seminars

ics Nuclear
Tuesday, January 15, 2002
3:30 PM
Physics Building, Room 204
Stefen Bass [Host: S. Liuti]
Department of Physics, Duke University & RIKEN-BNL Research Center Fellow
" Quark-Gluon-Plasma Theory: Overview of status and perspectives"
ABSTRACT:
It is believed that shortly after the creation of the universe in the Big Bang all matter was in a state called the Quark Gluon Plasma (QGP). Due to the rapid expansion of the Universe, this plasma went through a phase transition to form hadrons and nuclear matter as we know it today. The investigation of QGP properties will yield important novel insights into the development of the early universe and the behavior of QCD under extreme conditions. It is sought to recreate this highly excited state of primordial matter under controlled laboratory conditions using relativistic heavy ion collisions, e.g. at the Super-Proton-Synchrotron (SPS) at CERN and at the Relativistic Heavy-Ion Collider (RHIC) at Brookhaven National Laboratory. SPS and first RHIC data have yielded many interesting and sometimes surprising results which have not yet been fully evaluated or understood by theory. I will review the current status of QGP theory - main emphasis will be put on what we have learned at the SPS and at RHIC and what the most pressing challenges are for the near future.

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