München 2006 – wissenschaftliches Programm
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HK: Physik der Hadronen und Kerne
HK 33: Physik mit schweren Ionen
HK 33.2: Vortrag
Mittwoch, 22. März 2006, 14:15–14:30, D
Neutral Pion Production in Cu+Cu Collisions at √sNN=22.4 GeV measured with PHENIX — •Christoph Baumann — Institut für Kernphysik, Westfälische Wilhelms-Universität Münster, Wilhelm-Klemm-Str. 9, 48149 Münster
After a strong suppression of the neutral pions has been seen by the PHENIX experiment at RHIC, various runs at different center-of-mass energies and with different nuclei were carried out in the last running period in order to chart the energy dependence of this and other effects that are regarded as signatures for a possible Quark-Gluon Plasma. In this talk, neutral pion yields from the Cu+Cu run at the injection energy of √sNN=22.4 GeV measured with the electromagnetic calorimeter of PHENIX will be presented. From these yields the RCP and RAA are calculated. As the energy of the analyzed run is near the maximum energy of the CERN-SPS accelerator, comparisons between the RHIC and the CERN results will be shown.