Oliveros Tautiva, Sandra J.

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Estudio de un microcable de par trenzado para la comunicación y lectura del módulo de píxeles del experimento CMS
(2010) Oliveros Tautiva, Sandra J.; López Berríos, Ángel M.; College of Arts and Science - Science; Marrero, Pablo J.; Castellanos, Dorial; Department of Physics; Ramírez Vick, Jaime E.
The Compact Muon Solenoid (CMS) is one of the two most important experiments at the Large Hadron Collider (LHC). The pixel detector is the component closest to the collision in CMS and it receives large doses of radiation which will affect its performance. The pixel detector will be replaced by a new one after four years. The aim is to reduce material in the sensitive zone of the new pixel detector, which leads to the implementation of a type of micro twisted pair cable that will replace the existing kapton cables and some connection will be eliminated. The purpose of this work was to study the viability of using these micro twisted pair cables in the existing 40 MHz analog readout. The electrical parameters of micro cables were determined and operational test were performed in a module using these cables for communication and reading. Three different lengths of micro cables were used, 1.0, 1.5 and 2.0 m, in order to compare test results with those obtained using the kapton cable. It was found that the use of these cables does not affect the programming and reading of pixels in one module, so the micro cables are viable to be used in place of the kapton cables.