Alignment of the CMS tracker with LHC and cosmic ray data

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dc.citation.firstpageP06009
dc.citation.journalTitleJournal of Instrumentation
dc.citation.volumeNumber9
dc.contributor.authorAdair, A.
dc.contributor.authorAkgun, B.
dc.contributor.authorEcklund, K.M.
dc.contributor.authorGeurts, F.J.M.
dc.contributor.authorLi, W.
dc.contributor.authorMichlin, B.
dc.contributor.authorPadley, B.P.
dc.contributor.authorRedjimi, R.
dc.contributor.authorRoberts, J.
dc.contributor.authorZabel, J.
dc.date.accessioned2015-04-20T15:44:18Z
dc.date.available2015-04-20T15:44:18Z
dc.date.issued2014
dc.description.abstractThe central component of the CMS detector is the largest silicon tracker ever built. The precise alignment of this complex device is a formidable challenge, and only achievable with a significant extension of the technologies routinely used for tracking detectors in the past. This article describes the full-scale alignment procedure as it is used during LHC operations. Among the specific features of the method are the simultaneous determination of up to 200 000 alignment parameters with tracks, the measurement of individual sensor curvature parameters, the control of systematic misalignment effects, and the implementation of the whole procedure in a multi-processor environment for high execution speed. Overall, the achieved statistical accuracy on the module alignment is found to be significantly better than 10μm.
dc.identifier.citationAdair, A., Akgun, B., Ecklund, K.M., et al.. "Alignment of the CMS tracker with LHC and cosmic ray data." <i>Journal of Instrumentation,</i> 9, (2014) IOP Publishing: P06009. http://dx.doi.org/10.1088/1748-0221/9/06/P06009.
dc.identifier.doihttp://dx.doi.org/10.1088/1748-0221/9/06/P06009
dc.identifier.urihttps://hdl.handle.net/1911/79480
dc.language.isoeng
dc.publisherIOP Publishing
dc.rightsThis is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
dc.rights.urihttp://creativecommons.org/licenses/by/3.0/
dc.subject.keywordparticle tracking detectors
dc.subject.keyworddetector alignment and calibration methods (lasers, sources, particle-beams)
dc.subject.keywordlarge detector systems for particle and astroparticle physics
dc.titleAlignment of the CMS tracker with LHC and cosmic ray data
dc.typeJournal article
dc.type.dcmiText
dc.type.publicationpublisher version
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