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Tests of Local Hadron Calibration Approaches in ATLAS Combined Beam Tests
KTH, School of Engineering Sciences (SCI), Physics, Particle and Astroparticle Physics.
2011 (English)In: XIV INTERNATIONAL CONFERENCE ON CALORIMETRY IN HIGH ENERGY PHYSICS (CALOR 2010) / [ed] Wang, YF; Hu, T, 2011, Vol. 293Conference paper, Published paper (Refereed)
Abstract [en]

Three ATLAS calorimeters in the region of the forward crack at vertical bar eta vertical bar = 3.2 in the nominal ATLAS setup and a typical section of the two barrel calorimeters at vertical bar eta vertical bar = 0.45 of ATLAS have been exposed to combined beam tests with single electrons and pions. Detailed shower shape studies of electrons and pions with comparisons to various Geant4 based simulations utilizing different physics lists are presented for the endcap beam test. The local hadron calibration approach as used in the full Atlas setup has been applied to the endcap beam test data. An extension of it using layer correlations has been tested with the barrel test beam data. Both methods utilize modular correction steps based on shower shape variables to correct for invisible energy inside the reconstructed clusters in the calorimeters (compensation) and for lost energy deposits outside of the reconstructed clusters (dead material and out-of-cluster deposits). Results for both methods and comparisons to Monte Carlo simulations are presented.

Place, publisher, year, edition, pages
2011. Vol. 293
Series
Journal of Physics Conference Series, ISSN 1742-6588 ; 293
Keyword [en]
Barrel calorimeter, Beam tests, Energy deposits, Monte Carlo Simulation, Shape variable, Single electron, Test beam
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:kth:diva-41313DOI: 10.1088/1742-6596/293/1/012032ISI: 000293616600032Scopus ID: 2-s2.0-79959257464OAI: oai:DiVA.org:kth-41313DiVA: diva2:443616
Conference
14th International Conference on Calorimetry in High Energy Physics (CALOR 2010), Inst High Energy Phys, Beijing, PEOPLES R CHINA, May 10-14, 2010
Note
QC 20110926Available from: 2011-09-26 Created: 2011-09-26 Last updated: 2011-09-26Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
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More styles
Language
  • de-DE
  • en-GB
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  • fi-FI
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  • nn-NB
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  • Other locale
More languages
Output format
  • html
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  • asciidoc
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