First results of an aging test of a full scale MWPC prototype for the LHCb muon system

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Aging studies for a multi-wire proportional chamber of the LHCb muon system have been performed using the CERN Gamma Irradiation Facility. The irradiated four-gap chamber corresponds to a full-size prototype with 1500 cm**2 sensitive area and has been operated with an Ar/CO //2/CF//4 (40:50:10) gas...

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Detalles Bibliográficos
Autores principales: Souvorov, V, Schneider, T, Schmidt, B, Riegler, Werner, Kashchuk, A, Hutchcroft, D E
Lenguaje:eng
Publicado: 2003
Materias:
Detectors and Experimental Techniques
Acceso en línea:https://dx.doi.org/10.1016/j.nima.2003.09.001
http://cds.cern.ch/record/808007
Descripción
Sumario:Aging studies for a multi-wire proportional chamber of the LHCb muon system have been performed using the CERN Gamma Irradiation Facility. The irradiated four-gap chamber corresponds to a full-size prototype with 1500 cm**2 sensitive area and has been operated with an Ar/CO //2/CF//4 (40:50:10) gas mixture. A linear charge of 0.25 C/cm for 100 m anode wire length has been accumulated over a period of 6 months, which corresponds to the charge collected in 5 LHCb years. The observed aging effects do not prohibit the use of these chambers in the LHCb experiment.

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