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The barrel DIRC of the PANDA experiment

By C. Schwarz, D. Bettoni, D. Branford, V. Carassiti, A. Cecchi, V.Kh. Dodokhof, M. Düren, K. Föhl, R. Hohler, R. Kaiser, A. Lehmann, D. Lehmann, J. Marton, K. Peters, G. Schepers, L. Schmitt, P. Schönmeier, B. Seitz, C. Sfienti, A. Teufel and A.S. Vodopianov


Cooled antiproton beams of unprecedented intensities in the energy range of 1-15 GeV/c will be used at\ud the PANDA experiment at FAIR to perform high precision experiments in the charmed quark sector. The\ud charged particle identification in the barrel region needs a thin detector operating in a strong magnetic\ud field. Both requirements can be met by a Cherenkov detector using the DIRC principle. Combining the\ud time of arrival of the photons with their spatial image determines not only the particles velocity, but also\ud the wavelength of the photons. Therefore, dispersion correction at the lower and upper detection\ud thresholds is possible. Special care has to be taken to couple the photon detector to the barrel radiator\ud bars. (C) 2008 Elsevier B.V. All rights reserved

Topics: Particle identification, Cherenkov counter, Ring imaging
Year: 2008
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