Journal article
Aligning the CMS muon chambers with the muon alignment system during an extended cosmic ray run
Journal of Instrumentation, Vol.5(3), T03019
2010
DOI: 10.1088/1748-0221/5/03/T03019
Abstract
The alignment system for the muon spectrometer of the CMS detector comprises three independent subsystems of optical and analog position sensors. It aligns muon chambers with respect to each other and to the central silicon tracker. System commissioning at full magnetic field began in 2008 during an extended cosmic ray run. The system succeeded in tracking muon detector movements of up to 18 mm and rotations of several milliradians under magnetic forces. Depending on coordinate and subsystem, the system achieved chamber alignment precisions of 140-350 μm and 30-200 μrad, close to the precision requirements of the experiment. Systematic errors on absolute positions are estimated to be 340-590 μm based on comparisons with independent photogrammetry measurements. © 2010 IOP Publishing Ltd and SISSA.
Details
- Title: Subtitle
- Aligning the CMS muon chambers with the muon alignment system during an extended cosmic ray run
- Creators
- Suzan BasegmezGiacomo BrunoJulien CaudronChristophe DelaerePavel DeminDenis FavartAndrea GiammancoGhislain GrégoireVincent LemaitreOtilia MilitaruSéverine OvynKrzysztof PiotrzkowskiLoic QuertenmontNicolas SchulYasar Onel - Physics and Astronomy
- Resource Type
- Journal article
- Publication Details
- Journal of Instrumentation, Vol.5(3), T03019
- Publisher
- Institute of Physics Publishing Ltd
- DOI
- 10.1088/1748-0221/5/03/T03019
- eISSN
- 1748-0221
- Language
- English
- Date published
- 2010
- Academic Unit
- Physics and Astronomy
- Record Identifier
- 9984428672502771
Metrics
1 Record Views