Studies of the Linearity of the ATLAS EM Barrel Calorimeter | Zendy

Walter Lampl | Zendy

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Studies of the Linearity of the ATLAS EM Barrel Calorimeter

Author(s) -

Walter Lampl

Publication year - 2006

Publication title -

aip conference proceedings

Language(s) - English

Resource type - Conference proceedings

SCImago Journal Rank - 0.177

H-Index - 75

eISSN - 1551-7616

pISSN - 0094-243X

DOI - 10.1063/1.2396974

Subject(s) - atlas (anatomy) , linearity , calorimeter (particle physics) , beam (structure) , materials science , optics , calorimetry , nuclear engineering , environmental science , physics , engineering , electrical engineering , detector , geology , paleontology , thermodynamics

The ATLAS experiment uses an accordion shaped lead/liquid argon sampling calorimeter for electromagnetic calorimetry. During beam test campaigns in summer 2002 and summer 2004 dedicated linearity scans were carried out. During the 2004 run, not only the beam energy but also the material in front of the calorimeter has been varied.This contribution discusses methods to achieve an excellent linearity and resolution even in the presence of a significant amount of upstream material. These methods were developed and tested on data obtained from the described beam tests and on a Geant4 simulation of the beam test setup.

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