Volume 364 -
European Physical Society Conference on High Energy Physics (EPS-HEP2019) -
Detector R&D and Data Handling
Fluoride production in CMS Resistive Plate Chambers and aging study
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Pre-published on:
September 30, 2020
Published on:
November 12, 2020
Abstract
The CMS resistive plate chambers (RPC) detectors operate with a gas mixture based on HydroFluoroCarbon components. The pollutants produced in the gas under high electrical discharge and radiation may accelerate the detectors aging, in particular the fluorine ions (F − ) produced as part of the compound hydrogen fluoride (HF) may damage the inner detector surface due to its high chemical reactivity. The HF production rate has been studied at CERN Gamma Irradiation Facility (GIF++) as a function of the background rate and the gas flow. Finally, the possible aging effects induced by the radiation in the CMS RPC system, including the HF effects, have been studied after almost seven years of operation.
DOI: https://doi.org/10.22323/1.364.0108
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Copyright owned by the author(s) under the term of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
Copyright owned by the author(s) under the term of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.