Köln 2004 – wissenschaftliches Programm
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HK: Physik der Hadronen und Kerne
HK 7: Heavy Ions I
HK 7.4: Vortrag
Montag, 8. März 2004, 17:00–17:15, F
Recent Results From The PHENIX Experiment On p+p, Au+Au And d+Au collisions at √sNN = 200 AGeV — •Ch. Klein-Bösing — Institut für Kernphysik, Wilhelm-Klemm-Str. 9, 48149 Münster
One of the most interesting observations at the Relativistic Heavy Ion Collider (RHIC) has been the suppression of particles with high transverse momentum (pT) in central Au+Au collisions compared to peripheral collisons and to expectations from proton+proton results, which is attributed to an energy loss of hard scattered partons in a hot and dense medium.
Additional information on the hot and dense phase can be obtained by studying jet like back-to-back correlations, elliptic flow patterns and the yield of direct photons. Direct Photons with large transverse momenta are similar to high pT hadrons mainly produced by parton scattering in the early phase of a heavy ion collision reaction, but should be unaffected by the surrounding medium.
We will present recent results from the PHENIX experiment including particle production, jet correlations and the search for direct photons within different reaction systems (p+p, d+Au and Au+Au) at √sNN = 200 AGeV.
Supported by BMBF and GSI.