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Title of article :
RPC ageing studies
Author/Authors :
Aielli، نويسنده , , G and Camarri، نويسنده , , P and Cardarelli، نويسنده , , R and de Asmundis، نويسنده , , R and Di Ciaccio، نويسنده , , A. and Di Stante، نويسنده , , L and Liberti، نويسنده , , B and Paoloni، نويسنده , , A and Pastori، نويسنده , , E and Santonico، نويسنده , , R، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2002
Pages :
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Abstract :
A 15-month ageing test of an ATLAS module “0” RPC has been performed at the GIF X5 CERN irradiation facility. The aged RPC performances largely fulfilled the ATLAS requirements. However, the test showed a significant reduction of the RPC maximum rate capability, from almost 2 kHz cm−2 to a few hundred Hz cm−2, due to the total charge integrated during the test. The reasons for this ageing phenomenon are found to be related to an increase of the total electrode plates resistance as it was already pointed out in previous tests on smaller prototypes. This is found to be not only due to a possible increase of the plate resistivity but mainly to a degradation of the graphite coating.
Keywords :
RPC , High rate , ageing , Front-end electronics , ATLAS
Journal title :
Nuclear Instruments and Methods in Physics Research Section A
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