The High Voltage distribution system of the ATLAS Tile Calorimeter and its performance during data taking

This article documents the characteristics of the high voltage (HV) system of the hadronic calorimeter TileCal of the ATLAS experiment. Such a system is suitable to supply reliable power distribution into particles physics detectors using a large number of PhotoMultiplier Tubes (PMTs). Measurements...

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Detalles Bibliográficos
Autores principales: Calvet, D., Calvet, S., Chadelas, R., Cinca, D., Grenier, Ph., Gris, P., Lafarguette, P., Lambert, D., Marjanović, M., Oleiro Seabra, L.F., Martins, F.M. Pedro, De Campos, J.B. Pena Madeira Gouveia, Romano Saez, S.M., Rosnet, P., Santoni, C., Valéry, L., Vazeille, F.
Lenguaje:eng
Publicado: 2018
Materias:
hep-ex
Particle Physics - Experiment
physics.ins-det
Detectors and Experimental Techniques
Acceso en línea:https://dx.doi.org/10.1088/1748-0221/13/08/P08006
http://cds.cern.ch/record/2641637
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author Calvet, D.
Calvet, S.
Chadelas, R.
Cinca, D.
Grenier, Ph.
Gris, P.
Lafarguette, P.
Lambert, D.
Marjanović, M.
Oleiro Seabra, L.F.
Martins, F.M. Pedro
De Campos, J.B. Pena Madeira Gouveia
Romano Saez, S.M.
Rosnet, P.
Santoni, C.
Valéry, L.
Vazeille, F.
author_facet Calvet, D.
Calvet, S.
Chadelas, R.
Cinca, D.
Grenier, Ph.
Gris, P.
Lafarguette, P.
Lambert, D.
Marjanović, M.
Oleiro Seabra, L.F.
Martins, F.M. Pedro
De Campos, J.B. Pena Madeira Gouveia
Romano Saez, S.M.
Rosnet, P.
Santoni, C.
Valéry, L.
Vazeille, F.
author_sort Calvet, D.
collection CERN
description This article documents the characteristics of the high voltage (HV) system of the hadronic calorimeter TileCal of the ATLAS experiment. Such a system is suitable to supply reliable power distribution into particles physics detectors using a large number of PhotoMultiplier Tubes (PMTs). Measurements performed during the 2015 and 2016 data taking periods of the ATLAS detector show that its performance, in terms of stability and noise, fits the specifications. In particular, almost all the PMTs show a voltage instability smaller than 0.5 V corresponding to a gain stability better than 0.5%. A small amount of channels was found not working correctly. To diagnose the origin of such defects, the results of the HV measurements were compared to those obtained using a Laser system. The analysis shows that less than 0.2% of the about 10 thousand HV channels were malfunctioning.
id cern-2641637
institution Organización Europea para la Investigación Nuclear
language eng
publishDate 2018
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spelling cern-26416372023-03-14T17:25:33Zdoi:10.1088/1748-0221/13/08/P08006doi:10.1088/1748-0221/13/08/P08006http://cds.cern.ch/record/2641637engCalvet, D.Calvet, S.Chadelas, R.Cinca, D.Grenier, Ph.Gris, P.Lafarguette, P.Lambert, D.Marjanović, M.Oleiro Seabra, L.F.Martins, F.M. PedroDe Campos, J.B. Pena Madeira GouveiaRomano Saez, S.M.Rosnet, P.Santoni, C.Valéry, L.Vazeille, F.The High Voltage distribution system of the ATLAS Tile Calorimeter and its performance during data takinghep-exParticle Physics - Experimentphysics.ins-detDetectors and Experimental TechniquesThis article documents the characteristics of the high voltage (HV) system of the hadronic calorimeter TileCal of the ATLAS experiment. Such a system is suitable to supply reliable power distribution into particles physics detectors using a large number of PhotoMultiplier Tubes (PMTs). Measurements performed during the 2015 and 2016 data taking periods of the ATLAS detector show that its performance, in terms of stability and noise, fits the specifications. In particular, almost all the PMTs show a voltage instability smaller than 0.5 V corresponding to a gain stability better than 0.5%. A small amount of channels was found not working correctly. To diagnose the origin of such defects, the results of the HV measurements were compared to those obtained using a Laser system. The analysis shows that less than 0.2% of the about 10 thousand HV channels were malfunctioning.arXiv:1804.05036oai:cds.cern.ch:26416372018-04-13
spellingShingle hep-ex
Particle Physics - Experiment
physics.ins-det
Detectors and Experimental Techniques
Calvet, D.
Calvet, S.
Chadelas, R.
Cinca, D.
Grenier, Ph.
Gris, P.
Lafarguette, P.
Lambert, D.
Marjanović, M.
Oleiro Seabra, L.F.
Martins, F.M. Pedro
De Campos, J.B. Pena Madeira Gouveia
Romano Saez, S.M.
Rosnet, P.
Santoni, C.
Valéry, L.
Vazeille, F.
The High Voltage distribution system of the ATLAS Tile Calorimeter and its performance during data taking
title The High Voltage distribution system of the ATLAS Tile Calorimeter and its performance during data taking
title_full The High Voltage distribution system of the ATLAS Tile Calorimeter and its performance during data taking
title_fullStr The High Voltage distribution system of the ATLAS Tile Calorimeter and its performance during data taking
title_full_unstemmed The High Voltage distribution system of the ATLAS Tile Calorimeter and its performance during data taking
title_short The High Voltage distribution system of the ATLAS Tile Calorimeter and its performance during data taking
title_sort high voltage distribution system of the atlas tile calorimeter and its performance during data taking
topic hep-ex
Particle Physics - Experiment
physics.ins-det
Detectors and Experimental Techniques
url https://dx.doi.org/10.1088/1748-0221/13/08/P08006
https://dx.doi.org/10.1088/1748-0221/13/08/P08006
http://cds.cern.ch/record/2641637
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