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HK: Fachverband Hadronen und Kerne

HK 18: Accelerators and Instrumentation I

HK 18.2: Talk

Monday, March 16, 2009, 16:45–17:00, H-ZO 80

A Disc DIRC for PID for the PANDA Experiment at FAIR/GSI — •Tibor Keri — Physics Department, Glasgow, UK

Proton-antiproton annihilation is a unique tool to address fundamental questions of the strong interaction and to explore the structure of the nucleon. The PANDA collaboration proposes to build a state-of-the-art universal detector system to study reactions of anti-protons impinging on a proton or nuclear target internal to the high energy storage ring HESR at the planned FAIR facility at GSI, Darmstadt, Germany. Superior particle identification of charged and neutral particles is mandatory to fulfil PANDA's physics aims. Detectors for particle identification comprise energy measurements in tracking detectors, precision Time-Of-Flight detectors, electromagnetic calorimeters, muon chambers and Cherenkov detectors based on the focussing DIRC principle or on the time-of-propagation principle. The central detector will feature a barrel DIRC covering the central region and a novel disc DIRC providing particle identification apabilities in the forward region. Both DIRC systems will benefit from recent advances in detector technology aiming for a 3D DIRC design. The technical design and the current status of the development for the disc DIRC detector will be presented.