Alignment and calibration of CMS detector during collisions at LHC
(2013) CHEP2013: Computing in High Energy Physics 2013
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- Abstract
- Fast and efficient methods for the calibration and the alignment of the detector play a key role in ensuring reliable physics performance to an HEP experiment. CMS has set up a solid framework for alignment and calibration purpose, in close contact with the detector and physics needs. The about 200 types of calibration and alignment existing for the various sub-detectors are collected by relational databases (Oracle) flexible enough to allow easy access as requested by the various users. The CMS alignment and calibration infrastructure is also designed to ensure a proper handling of inter-dependencies among the different calibration workflows, and includes dedicated streams of data for a fast turnaround of the calibration process during the data taking. This presentation reviews the design of the system and reports on the experience gained during its operation including results from selected workflows contributing to main physics achievements of the CMS experiment during last years.
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Citations
Castello, R. (2013). Alignment and calibration of CMS detector during collisions at LHC. CHEP2013: Computing in High Energy Physics 2013. https://hdl.handle.net/2078.5/198503