Abstract
The P¯ANDA experiment at the planned FAIR facility at GSI, Darmstadt aims at measuring hadronic final states with unprecedented precision and luminosity. Superior particle identification of charged and neutral particles is mandatory to fulfil P¯ANDA's physics aims. DIRC (detection of internally reflected Cherenkov light) counters are foreseen for charged particle identification. A barrel DIRC will cover the central region while a disc DIRC will provide particle identification in the forward region.Three DIRC concepts differing in the radiator geometry and method for dispersion correction are studied. Results are presented on the common issues of radiator material and quality. Photon detection will be discussed as well.
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