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Gas Mixture Monitoring Techniques for the LHC Detector Muon Systems

At the LHC experiments the Muon Systems are equipped with different types of gaseous detectors that will need to assure high performance until the end of the LHC run. One of the key parameters for good and safe long-term detector operation is the gas mixture composition and quality. Indeed a wrong g...

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Autores principales: Capeans, M, Guida, Roberto, Mandelli, Beatrice
Lenguaje:eng
Publicado: 2018
Materias:
Acceso en línea:https://dx.doi.org/10.1007/978-981-13-1313-4_20
http://cds.cern.ch/record/2643547
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author Capeans, M
Guida, Roberto
Mandelli, Beatrice
author_facet Capeans, M
Guida, Roberto
Mandelli, Beatrice
author_sort Capeans, M
collection CERN
description At the LHC experiments the Muon Systems are equipped with different types of gaseous detectors that will need to assure high performance until the end of the LHC run. One of the key parameters for good and safe long-term detector operation is the gas mixture composition and quality. Indeed a wrong gas mixture composition can decrease the detector performance or cause aging effects and irremediable damages. It is therefore a fundamental requirement to verify and monitor the detector gas mixture quality. In the last years several gas monitoring techniques have been studied and developed at CERN to automatically monitor the detector gas mixture composition as well as the impact of gas quality on detector performance. In all LHC experiments, a gas analysis module allows continuous monitoring of O$_2$ and H$_2$O concentrations in several zones of the gas systems for all muon detectors. More sophisticated and precise gas analyses are performed with gas chromatograph and mass spectrometer devices, which have sensitivity at the level of ppm and allow to verify the correctness of the gas mixture composition. In parallel to standard gas analysis techniques, a gas monitoring system based on single wire proportional chamber has been implemented: these detectors are very suitable to detect any possible aging contaminants thanks to their high sensitivity.
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institution Organización Europea para la Investigación Nuclear
language eng
publishDate 2018
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spelling oai-inspirehep.net-16872712019-09-30T06:29:59Zdoi:10.1007/978-981-13-1313-4_20http://cds.cern.ch/record/2643547engCapeans, MGuida, RobertoMandelli, BeatriceGas Mixture Monitoring Techniques for the LHC Detector Muon SystemsDetectors and Experimental TechniquesAt the LHC experiments the Muon Systems are equipped with different types of gaseous detectors that will need to assure high performance until the end of the LHC run. One of the key parameters for good and safe long-term detector operation is the gas mixture composition and quality. Indeed a wrong gas mixture composition can decrease the detector performance or cause aging effects and irremediable damages. It is therefore a fundamental requirement to verify and monitor the detector gas mixture quality. In the last years several gas monitoring techniques have been studied and developed at CERN to automatically monitor the detector gas mixture composition as well as the impact of gas quality on detector performance. In all LHC experiments, a gas analysis module allows continuous monitoring of O$_2$ and H$_2$O concentrations in several zones of the gas systems for all muon detectors. More sophisticated and precise gas analyses are performed with gas chromatograph and mass spectrometer devices, which have sensitivity at the level of ppm and allow to verify the correctness of the gas mixture composition. In parallel to standard gas analysis techniques, a gas monitoring system based on single wire proportional chamber has been implemented: these detectors are very suitable to detect any possible aging contaminants thanks to their high sensitivity.oai:inspirehep.net:16872712018
spellingShingle Detectors and Experimental Techniques
Capeans, M
Guida, Roberto
Mandelli, Beatrice
Gas Mixture Monitoring Techniques for the LHC Detector Muon Systems
title Gas Mixture Monitoring Techniques for the LHC Detector Muon Systems
title_full Gas Mixture Monitoring Techniques for the LHC Detector Muon Systems
title_fullStr Gas Mixture Monitoring Techniques for the LHC Detector Muon Systems
title_full_unstemmed Gas Mixture Monitoring Techniques for the LHC Detector Muon Systems
title_short Gas Mixture Monitoring Techniques for the LHC Detector Muon Systems
title_sort gas mixture monitoring techniques for the lhc detector muon systems
topic Detectors and Experimental Techniques
url https://dx.doi.org/10.1007/978-981-13-1313-4_20
http://cds.cern.ch/record/2643547
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