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Construction du bouchon du calorimètre électromagnétique d'ATLAS et études de ses performances

Abstract : ATLAS is one of the four experiments which will take place at the LHC, the CERN future protons collider. This accelerator, which should start in 2007, will allow to continue the studies carried out by its predecessors, as the standard model Higgs boson and new physics searches.
The very high luminosity - 10 fb-1 during the first three functioning years, then 100 fb-1 - and the 14 TeV in the frame center will ease these studies. The Centre de Physique des Particules de Marseille took part in the ATLAS collaboration, taking in charge half of the Encap electromagnetic calorimeter modules construction. The description of this sub-detector and the construction steps, in particular the electrical tests which allow the stacking validation, are presented in this document. These tests results, obtained for the five first production modules, are analysed.
The pre-series module (module 0) performances, obtained with beam tests performed at CERN in 1999, are also presented. The detector uniformity studies have allowed to perform important improvements on the calorimeter components. A 0.6% global constant term has been determined in the Endcap internal region (wheel).
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Submitted on : Tuesday, March 25, 2003 - 3:22:55 PM
Last modification on : Tuesday, October 19, 2021 - 10:50:16 PM
Long-term archiving on: : Friday, April 2, 2010 - 6:58:04 PM


  • HAL Id : tel-00002627, version 1



Pierre Barrillon. Construction du bouchon du calorimètre électromagnétique d'ATLAS et études de ses performances. Physique des Hautes Energies - Expérience [hep-ex]. Université de la Méditerranée - Aix-Marseille II, 2002. Français. ⟨tel-00002627⟩



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