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Performance of CMS muon reconstruction from proton-proton to heavy ion collisions

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The performance of muon tracking, identification, triggering, momentum resolution, and momentum scale has been studied with the CMS detector at the LHC using data collected at √s NN= 5.02 TeV in proton-proton (pp) and lead-lead (PbPb) collisions in 2017 and 2018, respectively, and at √s NN= 8.16 TeV in proton-lead (pPb) collisions in 2016. Muon efficiencies, momentum resolutions, and momentum scales are compared by focusing on how the muon reconstruction performance varies from relatively small occupancy pp collisions to the larger occupancies of pPb collisions and, finally, to the highest track multiplicity PbPb collisions. We find the efficiencies of muon tracking, identification, and triggering to be above 90% throughout most of the track multiplicity range. The momentum resolution and scale are unaffected by the detector occupancy. The excellent muon reconstruction of the CMS detector enables precision studies across all available collision systems. © 2024 CERN.

Anahtar Kelimeler

Instrumentation and methods for heavy-ion reactions and fission studiesLarge detector systems for particle and astroparticle physicsMuon spectrometersColliding beam acceleratorsFission reactionsHadronsLinear acceleratorsNegative ionsParticle detectorsPhotonsPositive ionsProton beamsProtonsAstroparticle physicsDetector systemsHeavy-ions reactionsInstrumentation and method for heavy-ion reaction and fission studyLarge detector system for particle and astroparticle physicLarge detectorsMomentum resolutionsMuon spectrometerMuon trackingPerformanceHeavy ions
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AlanDeğerDil
dc.contributor.authorHayrapetyan, A.
dc.contributor.authorTumasyan, A.
dc.contributor.authorAdam, W.
dc.contributor.authorAndrejkovic, J.W.
dc.contributor.authorBergauer, T.
dc.contributor.authorChatterjee, S.
dc.contributor.authorDamanakis, K.
dc.contributor.authorDragicevic, M.
dc.contributor.authorHussain, P.S.
dc.contributor.authorJeitler, M.
dc.contributor.authorKrammer, N.
dc.contributor.authorLi, A.
dc.contributor.authorLiko, D.
dc.contributor.authorMikulec, I.
dc.contributor.authorSchieck, J.
dc.contributor.authorSchöfbeck, R.
dc.contributor.authorSchwarz, D.
dc.contributor.authorSonawane, M.
dc.contributor.authorTempl, S.
dc.contributor.authorWaltenberger, W.
dc.contributor.authorWulz, C.-E.
dc.contributor.authorDarwish, M.R.
dc.contributor.authorJanssen, T.
dc.contributor.authorVan Mechelen, P.
dc.contributor.authorBols, E.S.
dc.contributor.authorD'Hondt, J.
dc.contributor.authorDansana, S.
dc.contributor.authorDe Moor, A.
dc.contributor.authorDelcourt, M.
dc.contributor.authorEl Faham, H.
dc.contributor.authorLowette, S.
dc.contributor.authorMakarenko, I.
dc.contributor.authorMüller, D.
dc.contributor.authorSahasransu, A.R.
dc.contributor.authorTavernier, S.
dc.contributor.authorTytgat, M.
dc.contributor.authorVan Putte, S.
dc.contributor.authorVannerom, D.
dc.contributor.authorClerbaux, B.
dc.contributor.authorDe Lentdecker, G.
dc.contributor.authorFavart, L.
dc.contributor.authorHohov, D.
dc.contributor.authorJaramillo, J.
dc.contributor.authorKhalilzadeh, A.
dc.contributor.authorLee, K.
dc.contributor.authorMahdavikhorrami, M.
dc.contributor.authorMalara, A.
dc.contributor.authorParedes, S.
dc.contributor.authorPétré, L.
dc.contributor.authorPostiau, N.
dc.date.accessioned2026-10-18T20:26:22.001039479Z
dc.date.available2026-10-18T20:26:22.001039479Z
dc.date.issued2024
dc.description.abstractThe performance of muon tracking, identification, triggering, momentum resolution, and momentum scale has been studied with the CMS detector at the LHC using data collected at √s NN= 5.02 TeV in proton-proton (pp) and lead-lead (PbPb) collisions in 2017 and 2018, respectively, and at √s NN= 8.16 TeV in proton-lead (pPb) collisions in 2016. Muon efficiencies, momentum resolutions, and momentum scales are compared by focusing on how the muon reconstruction performance varies from relatively small occupancy pp collisions to the larger occupancies of pPb collisions and, finally, to the highest track multiplicity PbPb collisions. We find the efficiencies of muon tracking, identification, and triggering to be above 90% throughout most of the track multiplicity range. The momentum resolution and scale are unaffected by the detector occupancy. The excellent muon reconstruction of the CMS detector enables precision studies across all available collision systems. © 2024 CERN.
dc.description.sponsorship; Science and Technology Facilities Council, STFC, (ST/X006042/1); Science and Technology Facilities Council, STFC
dc.identifier.doi10.1088/1748-0221/19/09/p09012
dc.identifier.issn1748-0221
dc.identifier.issue9
dc.identifier.scopus2-s2.0-85204600465
dc.identifier.startpageP09012
dc.identifier.urihttps://rdlopen.rawdatalibrary.net/r/ebyu/11293
dc.identifier.volume19
dc.language.isoen
dc.publisherInstitute of Physics
dc.relation.ispartofJournal of Instrumentation
dc.rightsinfo:eu-repo/semantics/openAccess
dc.subjectInstrumentation and methods for heavy-ion reactions and fission studies
dc.subjectLarge detector systems for particle and astroparticle physics
dc.subjectMuon spectrometers
dc.subjectColliding beam accelerators
dc.subjectFission reactions
dc.subjectHadrons
dc.subjectLinear accelerators
dc.subjectNegative ions
dc.subjectParticle detectors
dc.subjectPhotons
dc.subjectPositive ions
dc.subjectProton beams
dc.subjectProtons
dc.subjectAstroparticle physics
dc.subjectDetector systems
dc.subjectHeavy-ions reactions
dc.subjectInstrumentation and method for heavy-ion reaction and fission study
dc.subjectLarge detector system for particle and astroparticle physic
dc.subjectLarge detectors
dc.subjectMomentum resolutions
dc.subjectMuon spectrometer
dc.subjectMuon tracking
dc.subjectPerformance
dc.subjectHeavy ions
dc.titlePerformance of CMS muon reconstruction from proton-proton to heavy ion collisions
dc.typeArticle
dspace.entity.typePublication
rdl.citation.scopus7
rdl.oa.statusgold
rdl.source.indexSCOPUS