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Title: The control system of the ATLAS/TileCal
Author: Pina, João António Tomásio, 1970-
Advisor: Maio, Amélia Arminda Teixeira, 1944-
Keywords: Sistemas de controlo
Teses de doutoramento - 2011
Defense Date: 2010
Abstract: TileCal is the hadronic calorimeter of the ATLAS detector that is operating at CERN. The main task of the TileCal Detector Control System (DCS) is to enable the coherent and safe operation of the detector. All actions initiated by the operator and all errors, warnings, and alarms concerning the hardware of the detector are handled by DCS. The logical structure of the TileCal DCS is subdivided in functional blocks, following a functional criteria, structured in a tree-like way where all the functional blocks can run autonomously. The system comprises the following functional blocks: the low voltage power supplies (LVPS), the high voltage (HV) and the cooling of the electronics. We report the result of four years of work dedicated to the TileCal DCS design, development, installation, testes and its integration into ATLAS detector operation. Also reported is the study done for the optimization validation of the Local Hadronic Calibration using the data from the combined test-beam in the year 2004 at CERN. The combined test-beamconsisted on exposing a fully instrumented slice of the ATLAS detector to particle beams fromthe SPS (Super Proton Synchrotron). The results of themeasurements of the response of the hadronic Tile calorimeter to pionswith energy in the range 2 to 230 GeV using the Local Hadron Calibration schema are reported. The linearity and the resolution of the calorimeter were determined and compared to previous results and to the predictions of a simulation program using the toolkit Geant4.
Description: Tese de doutoramento, Física (Física), Universidade de Lisboa, Faculdade de Ciências, 2011
Appears in Collections:FC - Teses de Doutoramento

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