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https://hdl.handle.net/11147/2525
Title: | Alignment of the CMS silicon tracker during commissioning with cosmic rays | Authors: | Demir, Durmuş Ali CMS Collaboration |
Keywords: | Particle tracking detectors Large Hadron Collider (LHC) Cosmic Run At Four Tesla (CRAFT) Compact Muon Solenoid Silicon tracker |
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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