Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/2525
Title: Alignment of the CMS silicon tracker during commissioning with cosmic rays
Authors: Demir, Durmuş Ali
CMS Collaboration
Demir, Durmuş Ali
Keywords: Particle tracking detectors
Large Hadron Collider (LHC)
Cosmic Run At Four Tesla (CRAFT)
Compact Muon Solenoid
Silicon tracker
Issue Date: 2010
Publisher: IOP Publishing Ltd.
Source: Chatrchyan, S., Khachatryan, V., Sirunyan, A. M., Adam. W., Arnold, B., ...CMS Collaboration (2010). Alignment of the CMS silicon tracker during commissioning with cosmic rays. Journal of Instrumentation, 5(3). doi:10.1088/1748-0221/5/03/T03009
Abstract: The CMS silicon tracker, consisting of 1440 silicon pixel and 15 148 silicon strip detector modules, has been aligned using more than three million cosmic ray charged particles, with additional information from optical surveys. The positions of the modules were determined with respect to cosmic ray trajectories to an average precision of 3-4 microns RMS in the barrel and 3-14 microns RMS in the endcap in the most sensitive coordinate. The results have been validated by several studies, including laser beam cross-checks, track fit self-consistency, track residuals in overlapping module regions, and track parameter resolution, and are compared with predictions obtained from simulation. Correlated systematic effects have been investigated. The track parameter resolutions obtained with this alignment are close to the design performance.
URI: http://doi.org/10.1088/1748-0221/5/03/T03009
http://hdl.handle.net/11147/2525
ISSN: 1748-0221
Appears in Collections:Physics / Fizik
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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