Köln 2004 – wissenschaftliches Programm

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PV: Plenarvorträge

PV XXVI

PV XXVI: Plenarvortrag

Freitag, 12. März 2004, 11:00–11:30, P

Jet Quenching at RHIC - Experiment — •Andre Mischke — Department of Subatomic Physics, University of Utrecht, The Netherlands

Calculations from Lattice-QCD predict that at high energy densities a phase transition between hadronic matter and a deconfined state formed by quarks and gluons (the QGP) occurs. The Relativistic-Heavy-Ion-Collider (RHIC) at Brookhaven National Laboratory, which provides nucleus-nucleus collisions at maximum available energies of √s_NN = 200 GeV, allows to study nuclear matter under extreme conditions. High p_T hadrons provide a penetrating probe into relativistic heavy ion collisions as they are presumably produced as the leading fragment from hard-scattered partons traversing and interacting with the hot and dense medium created in the early state of the collision. After three years of data taking, the experiments at RHIC provide precise measurements of high p_T particles spectra (charged hadrons and π⁰ up to 12 GeV/c and identified charged particles up to 6 GeV/c). Recent results on high p_T particle suppression, two-particle azimuthal correlations and azimuthal anisotropy of high p_T hadrons will be presented.