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Gießen 2007 – wissenschaftliches Programm

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HK: Fachverband Physik der Hadronen und Kerne

HK 51: Elektromagnetische und Hadronische Sonden

HK 51.2: Vortrag

Donnerstag, 15. März 2007, 17:15–17:30, C

Particle Identification in the PANDA-Experiment at FAIR — •Georg Schepers for the PANDA collaboration — Gesellschaft für Schwerionenforschung mbH Darmstadt, Germany

Highly luminous beams require detector systems with unprecedented PID (particle identification) capabilities. PANDA will use the antiproton beam of extrem intensity and quality provided by the new FAIR facility in the energy range of 1.5 to 15 GeV corresponding to the mass range of 0 to 6 GeV/c$^2$ and opens access to the heavier strange and charm quarks and to copius production of gluons to address fundamental questions in the fields of Quantum Chromodynamics and symmetries. A crucial part of this excellent tool is the particle identification (PID) in the light of an event rate of 2$\times$10$^7$/s with up to 10 reaction products at PANDA. The PID detectors studied including electromagnetic and hadronic calorimeters, Cherenkov detectors (from RICH and DIRC typ), MVD, TPC and muon counters and their performance in separation power will be presented. From the separation power, i.e. numbers of sigma between particle hypotheses, one deduces the percentage of correct identified and misidentified particles. Concepts for a Global PID analysis for PANDA are mentioned.

We acknowledge the support of the European Community Research Infrastructures Action under the FP6 programme: Structuring the European Research Area - Specific Support Action - Design Study (contract 515873 - DIRACsecondary-Beams)

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