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Mechanical stability of the CMS strip tracker measured with a laser alignment system

ArticleAçık Erişim

Özet

The CMS tracker consists of 206 m2 of silicon strip sensors assembled on carbon fibre composite structures and is designed for operation in the temperature range from -25 to +25°C. The mechanical stability of tracker components during physics operation was monitored with a few μm resolution using a dedicated laser alignment system as well as particle tracks from cosmic rays and hadron-hadron collisions. During the LHC operational period of 2011-2013 at stable temperatures, the components of the tracker were observed to experience relative movements of less than 30μm. In addition, temperature variations were found to cause displacements of tracker structures of about 2μm°C, which largely revert to their initial positions when the temperature is restored to its original value. © CERN 2017 for the benefit of the CMS collaboration..

Anahtar Kelimeler

Detector alignment and calibration methods (lasers, sources, particle-beams)Large detector systems for particle and astroparticle physicsParticle tracking detectorsParticle tracking detectors (Solid-state detectors)Carbon fibersCosmologyHadronsMechanical stabilityAlignment methodsAstroparticle physicsCalibration methodDetector alignment and calibration method (laser, source, particle-beam)Detector systemsLarge detector system for particle and astroparticle physicLarge detectorsLaser sourcesParticle trackingParticle tracking detectorParticle tracking detector (solid-state detector)Solid state detectorsSource particlesTracking detectorsAlignment
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Tam Kayıt
AlanDeğerDil
dc.contributor.authorSirunyan, A.M.
dc.contributor.authorTumasyan, A.
dc.contributor.authorAdam, W.
dc.contributor.authorAsilar, E.
dc.contributor.authorBergauer, T.
dc.contributor.authorBrandstetter, J.
dc.contributor.authorBrondolin, E.
dc.contributor.authorDragicevic, M.
dc.contributor.authorErö, J.
dc.contributor.authorFlechl, M.
dc.contributor.authorFriedl, M.
dc.contributor.authorFrühwirth, R.
dc.contributor.authorGhete, V.M.
dc.contributor.authorHoch, M.
dc.contributor.authorHartl, C.
dc.contributor.authorHörmann, N.
dc.contributor.authorHrubec, J.
dc.contributor.authorJeitler, M.
dc.contributor.authorKönig, A.
dc.contributor.authorKrätschmer, I.
dc.contributor.authorLiko, D.
dc.contributor.authorMatsushita, T.
dc.contributor.authorMikulec, I.
dc.contributor.authorRabady, D.
dc.contributor.authorRad, N.
dc.contributor.authorRahbaran, B.
dc.contributor.authorRohringer, H.
dc.contributor.authorSchieck, J.
dc.contributor.authorStrauss, J.
dc.contributor.authorWaltenberger, W.
dc.contributor.authorWulz, C.-E.
dc.contributor.authorDvornikov, O.
dc.contributor.authorMakarenko, V.
dc.contributor.authorMossolov, V.
dc.contributor.authorGonzalez, J. Suarez
dc.contributor.authorZykunov, V.
dc.contributor.authorShumeiko, N.
dc.contributor.authorAlderweireldt, S.
dc.contributor.authorDe Wolf, E.A.
dc.contributor.authorJanssen, X.
dc.contributor.authorLauwers, J.
dc.contributor.authorVan De Klundert, M.
dc.contributor.authorVan Haevermaet, H.
dc.contributor.authorVan Mechelen, P.
dc.contributor.authorVan Remortel, N.
dc.contributor.authorVan Spilbeeck, A.
dc.contributor.authorAbu Zeid, S.
dc.contributor.authorBlekman, F.
dc.contributor.authorD’Hondt, J.
dc.contributor.authorDaci, N.
dc.date.accessioned2026-10-18T20:29:43.981008751Z
dc.date.available2026-10-18T20:29:43.981008751Z
dc.date.issued2017
dc.description.abstractThe CMS tracker consists of 206 m2 of silicon strip sensors assembled on carbon fibre composite structures and is designed for operation in the temperature range from -25 to +25°C. The mechanical stability of tracker components during physics operation was monitored with a few μm resolution using a dedicated laser alignment system as well as particle tracks from cosmic rays and hadron-hadron collisions. During the LHC operational period of 2011-2013 at stable temperatures, the components of the tracker were observed to experience relative movements of less than 30μm. In addition, temperature variations were found to cause displacements of tracker structures of about 2μm°C, which largely revert to their initial positions when the temperature is restored to its original value. © CERN 2017 for the benefit of the CMS collaboration..
dc.description.sponsorshipNational Science Foundation, NSF, (1151640, 1211067, 1508869, 1606321, 1624356); National Science Foundation, NSF; Science and Technology Facilities Council, STFC, (GRIDPP, PP/E000479/1, ST/H000925/1, ST/M004775/1, ST/N001273/1); Science and Technology Facilities Council, STFC
dc.identifier.doi10.1088/1748-0221/12/04/p04023
dc.identifier.issn1748-0221
dc.identifier.issue4
dc.identifier.scopus2-s2.0-85019080779
dc.identifier.startpageP04023
dc.identifier.urihttps://rdlopen.rawdatalibrary.net/r/ebyu/14939
dc.identifier.volume12
dc.language.isoen
dc.publisherInstitute of Physics
dc.relation.ispartofJournal of Instrumentation
dc.rightsinfo:eu-repo/semantics/openAccess
dc.subjectDetector alignment and calibration methods (lasers, sources, particle-beams)
dc.subjectLarge detector systems for particle and astroparticle physics
dc.subjectParticle tracking detectors
dc.subjectParticle tracking detectors (Solid-state detectors)
dc.subjectCarbon fibers
dc.subjectCosmology
dc.subjectHadrons
dc.subjectMechanical stability
dc.subjectAlignment methods
dc.subjectAstroparticle physics
dc.subjectCalibration method
dc.subjectDetector alignment and calibration method (laser, source, particle-beam)
dc.subjectDetector systems
dc.subjectLarge detector system for particle and astroparticle physic
dc.subjectLarge detectors
dc.subjectLaser sources
dc.subjectParticle tracking
dc.subjectParticle tracking detector
dc.subjectParticle tracking detector (solid-state detector)
dc.subjectSolid state detectors
dc.subjectSource particles
dc.subjectTracking detectors
dc.subjectAlignment
dc.titleMechanical stability of the CMS strip tracker measured with a laser alignment system
dc.typeArticle
dspace.entity.typePublication
rdl.citation.scopus2
rdl.oa.statusgold
rdl.source.indexSCOPUS