Combined performance studies for electrons at the 2004 ATLAS combined test-beam

In 2004 at the ATLAS (A Toroidal LHC ApparatuS) combined test beam, one slice of the ATLAS barrel detector (including an Inner Detector set-up and the Liquid Argon calorimeter) was exposed to particles from the H8 SPS beam line at CERN. It was the first occasion to test the combined electron perform...

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Bibliographic Details
Main Author: Onofre, A. (author)
Other Authors: ATLAS Collaboration (author)
Format: article
Language:eng
Published: 2010
Subjects:
Particle tracking detectors
Transition radiation detectors
Calorimeters
Large detector systems for particle and astroparticle physics
Ciências Naturais::Ciências Físicas
Science & Technology
Online Access:http://hdl.handle.net/1822/46041
Country:Portugal
Oai:oai:repositorium.sdum.uminho.pt:1822/46041
Description
Summary:In 2004 at the ATLAS (A Toroidal LHC ApparatuS) combined test beam, one slice of the ATLAS barrel detector (including an Inner Detector set-up and the Liquid Argon calorimeter) was exposed to particles from the H8 SPS beam line at CERN. It was the first occasion to test the combined electron performance of ATLAS. This paper presents results obtained for the momentum measurement p with the Inner Detector and for the performance of the electron measurement with the LAr calorimeter (energy E linearity and resolution) in the presence of a magnetic field in the Inner Detector for momenta ranging from 20 GeV/c to 100 GeV/c. Furthermore the particle identification capabilities of the Transition Radiation Tracker, Bremsstrahlungs-recovery algorithms relying on the LAr calorimeter and results obtained for the E/p ratio and a way how to extract scale parameters will be discussed.

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