Test and performances of the RPC trigger chambers of the ATLAS experiment at LHC

RPCs will be used as trigger detectors in the barrel region of the Muon Spectrometer of the ATLAS experiment at LHC. The total number of RPC units to be installed is 1088, covering a total surface of about 3500m2. ATLAS RPCs work in avalanche mode with C2H2F4/C4H10/SF6 (94.7%/5%/0.3%) gas mixture. A...

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Published in:Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment Accelerators, spectrometers, detectors and associated equipment, 2004-11, Vol.533 (1-2), p.193-198
Main Authors: Aielli, G., Alviggi, M., Ammosov, A., Biglietti, M., Brambilla, E., Camarri, P., Canale, V., Caprio, M., Cardarelli, R., Carlino, G., Cataldi, G., Chiodini, G., Disimone, A., Diciaccio, A., della Volpe, D., de Asmundis, R., Della Pietra, M., Grancagnolo, F., Gorini, E., Iengo, P., Liberti, B., Patricelli, S., Perrino, R., Primavera, M., Santonico, R., Sehkniadze, G., Spagnolo, S., Sviridov, Yu, Zaets, V.
Format: Article
Language:English
Subjects:
Muon trigger
RPC
Test
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Summary:RPCs will be used as trigger detectors in the barrel region of the Muon Spectrometer of the ATLAS experiment at LHC. The total number of RPC units to be installed is 1088, covering a total surface of about 3500m2. ATLAS RPCs work in avalanche mode with C2H2F4/C4H10/SF6 (94.7%/5%/0.3%) gas mixture. A cosmic ray test stand has been designed and built in Naples laboratories in order to carry out a complete test of the ATLAS RPC units. Since August 2002 about 300 units have been tested. A description of the test stand, test procedure and results are presented.
ISSN:0168-9002
1872-9576
DOI:10.1016/j.nima.2004.07.026