For the identification of particles in the momentum range 0.5-2.5GeV/c, the ALICE experiment uses a Time Of Flight array consisting of Multigap Resistive Plate Chambers (MRPC) in the form of long strips. The design of the detector elements is as follows : double stack MRPCs with glass resistive plates and 5 gas gaps of 250 mum per stack. The latest results on the performance of these MRPCs are presented. Typical values of time resolution a are better than 50 ps, with an efficiency of 99.9% and a long, more than 1.5 kV, streamer-free plateau.
Latest results on the performance of the multigap resistive plate chamber used for the ALICE TOF
DE CARO, ANNALISA;DE PASQUALE, Salvatore;DI BARTOLOMEO, Antonio;FUSCO GIRARD, Mario;GUIDA, Michele;
2004
Abstract
For the identification of particles in the momentum range 0.5-2.5GeV/c, the ALICE experiment uses a Time Of Flight array consisting of Multigap Resistive Plate Chambers (MRPC) in the form of long strips. The design of the detector elements is as follows : double stack MRPCs with glass resistive plates and 5 gas gaps of 250 mum per stack. The latest results on the performance of these MRPCs are presented. Typical values of time resolution a are better than 50 ps, with an efficiency of 99.9% and a long, more than 1.5 kV, streamer-free plateau.File in questo prodotto:
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