Ageing studies for the ATLAS MDT's using Ar-CO2 90-10

Ageing studies for drift tubes of the Atlas muon system were performed using the 740 GBq 137Cs source of the general irradiation facility (GIF) at the X5 beam line at CERN. 48 tubes of 380 cm length of the Merlin chamber were irradiated over almost full length within a period of 6 month and collecte...

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Detalles Bibliográficos
Autores principales: Paschhoff, V, Spegel, M
Lenguaje:eng
Publicado: 1999
Materias:
Detectors and Experimental Techniques
Acceso en línea:http://cds.cern.ch/record/683894
Descripción
Sumario:Ageing studies for drift tubes of the Atlas muon system were performed using the 740 GBq 137Cs source of the general irradiation facility (GIF) at the X5 beam line at CERN. 48 tubes of 380 cm length of the Merlin chamber were irradiated over almost full length within a period of 6 month and collected charges up to 711 mC/cm using Ar-CO2 90-10. No ageing was observed within the accuracy of the measurement. Two tubes were noisy occasionally, one tube remained noisy till the end of run.

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