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  • An internally reflecting Ch...
    Adam, I.; Alcksan, R.; Aston, D.; Bailly, P.; Beigbeder, C.; Benayoun, M.; Benkebil, M.; Bonneaud, G.; Breton, D.; Briand, H.; Brown, D.; Bourgeois, P.; Chauveau, J.; Cizeron, R.; Cohen-Tanugi, J.; Convery, M.; David, P.; De La Vaissiere, C.; De Lesquen, A.; Del Buono, L.; Fouque, G.; Gaidot, A.; Gastaldi, F.; Genat, J.-F.; Gosset, L.; Hale, D.; Hamel de Monchenault, H.; Hamon, O.; Kadel, R.; Kadyk, J.; Karolak, M.; Kawahara, H.; Krueger, H.; Lebbolo, H.; Leruste, P.H.; Le Diberder, F.; London, G.; Long, M.; Lory, J.; Lu, A.; Lutz, A.-M.; Lynch, G.; McCulloch, M.; McShurley, D.; Malchow, R.; Matricon, P.; Mayer, B.; Meadows, B.; Narjoux, J.-L.; Noppe, J.-M.; Oshatz, D.; Oxoby, G.; Plano, R.; Plaszczynski, S.; Pripstein, M.; Rasson, J.; Ratcliff, B.; Reif, R.; Renard, C.; Roos, L.; Roussot, E.; Sarazin, X.; Schune, M.-H.; Schwiening, J.; Sen, S.; Shelkov, V.; Sokoloff, M.; Staengle, H.; Stiles, P.; Stone, R.; Thiebaux, Ch; Truong, K.; Toki, W.; Vasileiadis, G.; Vasseur, G.

    IEEE transactions on nuclear science, 06/1998, Letnik: 45, Številka: 3
    Journal Article

    The DIRC, a new type of ring-imaging Cherenkov detector that images internally reflected Cherenkov light, is being constructed as the main hadronic particle identification component of the BABAR detector at SLAC. The device makes use of 5 meter long fused silica (colloquially called quartz) bars, which serve both as the Cherenkov radiators and as light pipes for transmitting the light to an array of photo-multiplier tubes. This paper describes a program of research and development-aimed at determining whether bars that meet the stringent requirements of the DIRC can be obtained from commercial sources. The results of studies of bulk absorption of fused silica, surface finish, radiation damage and bulk inhomogeneities are discussed