Alignment of the CMS tracker with LHC and cosmic ray data
Contribuinte(s) |
Universidade Estadual Paulista (UNESP) |
---|---|
Data(s) |
18/03/2015
18/03/2015
01/06/2014
|
Resumo |
Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq) Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES) Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP) The central component of the CMS detector is the largest silicon tracker ever built. The precise alignment of this complex device is a formidable challenge, and only achievable with a significant extension of the technologies routinely used for tracking detectors in the past. This article describes the full-scale alignment procedure as it is used during LHC operations. Among the specific features of the method are the simultaneous determination of up to 200 000 alignment parameters with tracks, the measurement of individual sensor curvature parameters, the control of systematic misalignment effects, and the implementation of the whole procedure in a multiprocessor environment for high execution speed. Overall, the achieved statistical accuracy on the module alignment is found to be significantly better than 10 mu m. |
Formato |
56 |
Identificador |
http://dx.doi.org/10.1088/1748-0221/9/06/P06009 Journal Of Instrumentation. Bristol: Iop Publishing Ltd, v. 9, 56 p., 2014. 1748-0221 http://hdl.handle.net/11449/116984 10.1088/1748-0221/9/06/P06009 WOS:000340036400022 WOS000340036400022.pdf |
Idioma(s) |
eng |
Publicador |
Iop Publishing Ltd |
Relação |
Journal Of Instrumentation |
Direitos |
openAccess |
Palavras-Chave | #Particle tracking detectors #Detector alignment and calibration methods (lasers, sources, particle-beams) #Large detector systems for particle and astroparticle physics |
Tipo |
info:eu-repo/semantics/article |