The network of photodetectors and diode lasers of the CMS Link alignment system

Arce Dubois, Pedro; Brochero Cifuentes, Javier Andrés; Calderón Tazón, Alicia; Fernández García, Marcos; Gómez Gramuglio, Gervasio; González Sánchez, Francisco Javier; Martínez Rivero, Celso; Matorras Weinig, Francisco; Rodrigo Anoro, Teresa; Martínez Ruiz del Árbol, Pablo; Scodellaro, Luca; Sobrón Sañudo, Mar; Vila Álvarez, Iván; López Virto, María Amparo

doi:10.1016/j.nima.2018.04.004

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Identificadores

URI: http://hdl.handle.net/10902/18472

DOI: 10.1016/j.nima.2018.04.004

ISSN: 0168-9002

ISSN: 1872-9576

Fecha

2018-07

Derechos

Attribution-NonCommercial-NoDerivatives 4.0 International

Publicado en

Nucl. Inst. & Meth. In Phys. Res. Section A. Vol. 896, Pp. 1-23, (2018)

Editorial

North-Holland ; Elsevier Science

Enlace a la publicación

https://doi.org/10.1016/j.nima.2018.04.004

Palabras clave

CMS

Alignment

Amorphous silicon photodetectors

Resumen/Abstract

The central feature of the CMS Link alignment system is a network of Amorphous Silicon Position Detectors distributed throughout the muon spectrometer that are connected by multiple laser lines. The data collected during the years from 2008 to 2015 is presented confirming an outstanding performance of the photo sensors during more than seven years of operation. Details of the photo sensor readout of the laser signals are presented. The mechanical motions of the CMS detector are monitored using these photosensors and good agreement with distance sensors is obtained.

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