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Title: | Alignment of the CMS silicon tracker during commissioning with cosmic rays |
Authors: | Cabrillo, I. J. CSIC ORCID ; Calderon, Alicia ; Chuang, S. H. CSIC; Diaz Merino, I. CSIC; Díez González, C. CSIC; Duarte Campderros, J. CSIC ORCID ; Fernández-García, Marcos CSIC ORCID ; Gómez, Gervasio CSIC ORCID ; González Sánchez, J. CSIC ; González Suárez, R. CSIC ORCID; Jorda, C. CSIC; Lobelle Pardo, P. CSIC; López Virto, A. CSIC ORCID ; Marco, Jesús CSIC ORCID ; Marco, Rafael CSIC; Martínez-Rivero, Celso CSIC ORCID ; Martínez Ruiz del Arbol, P. CSIC ORCID; Matorras, Francisco CSIC ORCID ; Rodrigo, Teresa CSIC ORCID ; Ruiz Jimeno, Alberto CSIC ORCID ; Scodellaro, Luca CSIC ORCID ; Sobron Sañudo, M. CSIC; Vila, Iván CSIC ORCID; Vilar Cortabitarte, R. CSIC ORCID | Keywords: | Particle tracking detectors (Solid-state detectors) Large detector systems for particle and astroparticle physics |
Issue Date: | Mar-2010 | Publisher: | Institute of Physics Publishing | Citation: | Journal of Instrumentation 5: T03009 (2010) | 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. | Description: | 42 páginas, 15 figuras, 3 tablas.-- Open Access.-- CMS Collaboration: et al. | Publisher version (URL): | http://dx.doi.org/10.1088/1748-0221/5/03/T03009 | URI: | http://hdl.handle.net/10261/45823 | DOI: | 10.1088/1748-0221/5/03/T03009 | E-ISSN: | 1748-0221 |
Appears in Collections: | (IFCA) Artículos |
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1748-0221_5_03_T03009.pdf | 2,24 MB | Adobe PDF | View/Open |
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