Alignment of the CMS Silicon Tracker during Commissioning with Cosmic Rays.

Volker Adler, Stephanie Beauceron, Stijn Blyweert, Jorgen D'Hondt, Stijn De Weirdt, Olivier Devroede, Jan Heyninck, Alexis Kalogeropoulos, Joris Maes, Michael Maes, Matthias Mozer, Stefaan Tavernier, Walter Van Doninck, Petra Van Mulders, Ilaria Villella

Onderzoeksoutput: Articlepeer review

86 Citaten (Scopus)

Samenvatting

The CMS silicon tracker, consisting of 1440 silicon pixel and 15148 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 a 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 methods, including the laser alignment system, and 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.
Originele taal-2English
ArtikelnummerT03009
Aantal pagina's39
TijdschriftJINST
Volume5
StatusPublished - 2010

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