Münster 2011 – wissenschaftliches Programm
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HK: Fachverband Physik der Hadronen und Kerne
HK 22: Schwerionenkollisionen und QCD Phasen IV
HK 22.6: Vortrag
Dienstag, 22. März 2011, 18:00–18:15, HS AP
Two- and Three-Particle Jet-Like Correlations in the ALICE Experiment at the LHC — •Jason Glyndwr Ulery — Institut für Kernphysik, Goethe Universität, Frankfurt am Main
The Large Hadron Collider has collided protons at energies of √s=0.9 and 7 TeV and lead ions at √sNN=2.76 TeV. Jet-like correlations can be used to study these collisions. In pp collisions, these correlations provide information about the fragmentation of a high momentum parton into a jet of hadrons. The correlations in pp collisions also provide a baseline for heavy-ion collisions. A medium is formed in central heavy-ion collisions which is theoretically expected to be a deconfined start of quarks and gluons, referred to as the Quark-Gluon Plasma. Jets can be used to probe this medium. The study of the interaction of the jet and the medium in jet-like correlations can provide information on how energy is deposited into the medium by the jet and how the jet and medium modify each other. We will present the status of a 2- and 3-particle jet-like correlation analysis of charged particles measured in the ALICE Time Projection Chamber and Inner Tracking System in pp and Pb+Pb collisions.