The ARGO-YBJ experiment has been taking data for nearly 2 years. In order to monitor continuosly the performance of the Resistive Plate Chamber detectors and to study the daily temperature effects on the detector performance, a cosmic ray muon telescope was setup near the carpet detector array in the ARGO-YBJ laboratory. Based on the measurements performed using this telescope, it is found that, at the actual operating voltage of 7.2 kV, the temperature effect on the RPC time resolution is about 0.04 ns/°C and on the particle detection efficiency is about 0.03 %/°C. Based on these figures we conclude that the environmental effects do not affect substantially the angular resolution of the ARGO-YBJ detector.

Temperature effect on RPC performance in the ARGO-YBJ experiment

DE MITRI, IVAN
2009

Abstract

The ARGO-YBJ experiment has been taking data for nearly 2 years. In order to monitor continuosly the performance of the Resistive Plate Chamber detectors and to study the daily temperature effects on the detector performance, a cosmic ray muon telescope was setup near the carpet detector array in the ARGO-YBJ laboratory. Based on the measurements performed using this telescope, it is found that, at the actual operating voltage of 7.2 kV, the temperature effect on the RPC time resolution is about 0.04 ns/°C and on the particle detection efficiency is about 0.03 %/°C. Based on these figures we conclude that the environmental effects do not affect substantially the angular resolution of the ARGO-YBJ detector.
RPC; time resolution; efficiency; telescope
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/20.500.12571/1001
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