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Influence of the High Granularity Calorimeter Stainless Steel Absorbers onto the CMS Solenoid Inner Magnetic Field

The high granularity calorimeter (HGCal) designed for the Compact Muon Solenoid (CMS) detector at the Large Hadron Collider will replace the existing hadron endcap calorimeter. The HGCal contains the stainless-steel absorber plates with a relative permeability limited by a value of 1.05. The influen...

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Autor principal: Klyukhin, Vyacheslav
Lenguaje:eng
Publicado: 2021
Materias:
Acceso en línea:https://dx.doi.org/10.1007/s42452-022-05122-9
http://cds.cern.ch/record/2806535
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author Klyukhin, Vyacheslav
author_facet Klyukhin, Vyacheslav
author_sort Klyukhin, Vyacheslav
collection CERN
description The high granularity calorimeter (HGCal) designed for the Compact Muon Solenoid (CMS) detector at the Large Hadron Collider will replace the existing hadron endcap calorimeter. The HGCal contains the stainless-steel absorber plates with a relative permeability limited by a value of 1.05. The influence of this additional material inside the CMS superconducting coil onto the quality of the magnetic field in the inner tracker volume is investigated. The three-dimensional model of the CMS magnet is used for this purpose. The magnetic field double integrals characterizing the charged particle momentum resolution are calculated and compared for present and new configuration of the CMS detector.
id cern-2806535
institution Organización Europea para la Investigación Nuclear
language eng
publishDate 2021
record_format invenio
spelling cern-28065352023-01-31T09:46:30Zdoi:10.1007/s42452-022-05122-9http://cds.cern.ch/record/2806535engKlyukhin, VyacheslavInfluence of the High Granularity Calorimeter Stainless Steel Absorbers onto the CMS Solenoid Inner Magnetic FieldDetectors and Experimental TechniquesThe high granularity calorimeter (HGCal) designed for the Compact Muon Solenoid (CMS) detector at the Large Hadron Collider will replace the existing hadron endcap calorimeter. The HGCal contains the stainless-steel absorber plates with a relative permeability limited by a value of 1.05. The influence of this additional material inside the CMS superconducting coil onto the quality of the magnetic field in the inner tracker volume is investigated. The three-dimensional model of the CMS magnet is used for this purpose. The magnetic field double integrals characterizing the charged particle momentum resolution are calculated and compared for present and new configuration of the CMS detector.The Compact Muon Solenoid (CMS) detector is a general-purpose experimental setup at the Large Hadron Collider (LHC) at CERN to investigate the production of new particles in the proton-proton collisions at a centre of mass energy 13 TeV. The third run of the data taken is started in April 2022 and will continue till the end of 2025. Then, during a long shutdown time, the existing CMS hadron endcap calorimeter will be replaced with a new high granularity calorimeter (HGCal) designed for the higher LHC luminosity. The HGCal contains the stainless-steel absorber plates with a relative permeability limited by a value of 1.05 from estimation of the electromagnetic forces acting on this slightly magnetic material. To exclude the surprises with possible perturbation of the inner magnetic flux density in the region of the charged particle tracking system, an influence of this additional material onto the quality of the magnetic field inside the inner tracker volume is investigated at this limited value of the permeability of stainless steel. The three-dimensional model of the CMS magnet is used for this purpose. The method of the magnetic field double integrals characterizing the charged particle momentum resolution the first time is applied to the CMS detector and the first time is described in the journal publication. The results obtained with this method are presented in detail and discussed.The Compact Muon Solenoid (CMS) detector is a general-purpose experimental setup at the Large Hadron Collider (LHC) at CERN to investigate the production of new particles in the proton-proton collisions at a centre of mass energy 13 TeV. The third run of the data taken is started in April 2022 and will continue till the end of 2025. Then, during a long shutdown time, the existing CMS hadron endcap calorimeter will be replaced with a new high granularity calorimeter (HGCal) designed for the higher LHC luminosity. The HGCal contains the stainless-steel absorber plates with a relative permeability limited by a value of 1.05 from estimation of the electromagnetic forces acting on this slightly magnetic material. To exclude the surprises with possible perturbation of the inner magnetic flux density in the region of the charged particle tracking system, an influence of this additional material onto the quality of the magnetic field inside the inner tracker volume is investigated at this limited value of the permeability of stainless steel . The three-dimensional model of the CMS magnet is used for this purpose. The method of the magnetic field double integrals characterizing the charged particle momentum resolution the first time is applied to the CMS detector and the first time is described in the journal publication. The results obtained with this method are presented in detail and discussed.arXiv:2210.05719CMS-CR-2021-298oai:cds.cern.ch:28065352021-12-24
spellingShingle Detectors and Experimental Techniques
Klyukhin, Vyacheslav
Influence of the High Granularity Calorimeter Stainless Steel Absorbers onto the CMS Solenoid Inner Magnetic Field
title Influence of the High Granularity Calorimeter Stainless Steel Absorbers onto the CMS Solenoid Inner Magnetic Field
title_full Influence of the High Granularity Calorimeter Stainless Steel Absorbers onto the CMS Solenoid Inner Magnetic Field
title_fullStr Influence of the High Granularity Calorimeter Stainless Steel Absorbers onto the CMS Solenoid Inner Magnetic Field
title_full_unstemmed Influence of the High Granularity Calorimeter Stainless Steel Absorbers onto the CMS Solenoid Inner Magnetic Field
title_short Influence of the High Granularity Calorimeter Stainless Steel Absorbers onto the CMS Solenoid Inner Magnetic Field
title_sort influence of the high granularity calorimeter stainless steel absorbers onto the cms solenoid inner magnetic field
topic Detectors and Experimental Techniques
url https://dx.doi.org/10.1007/s42452-022-05122-9
http://cds.cern.ch/record/2806535
work_keys_str_mv AT klyukhinvyacheslav influenceofthehighgranularitycalorimeterstainlesssteelabsorbersontothecmssolenoidinnermagneticfield