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Photon reconstruction in the ATLAS Inner Detector and Liquid Argon Barrel Calorimeter at the 2004 Combined Test Beam

Abstract

The reconstruction of photons in the ATLAS detector is studied with data taken during the 2004 Combined Test Beam, where a full slice of the ATLAS detector was exposed to beams of particles of known energy at the CERN SPS. The results presented show significant differences in the longitudinal development of the electromagnetic shower between converted and unconverted photons as well as in the total measured energy. The potential to use the reconstructed converted photons as a means to precisely map the material of the tracker in front of the electromagnetic calorimeter is also considered. All results obtained are compared with a detailed Monte-Carlo simulation of the test-beam setup which is based on the same simulation and reconstruction tools as those used for the ATLAS detector itself.
Authors:
Abat, E; Arik, E; [1]  Abdallah, J M; [2]  Addy, T N; [3]  Adragna, P; [4]  Aharrouche, M; [5]  Ahmad, A; [6]  Akesson, T P A; [7]  Aleksa, M; Anghinolfi, F; Baron, S; [8]  Alexa, C; [9]  Anderson, K; [10]  Andreazza, A; Banfi, D; [11]  Antonaki, A; Arabidze, G; [12]  Atkinson, T; [13]  Baines, J; [14]  Baker, O K, E-mail: stathes.paganis@cern.ch [15] 
  1. Bogazici University, Faculty of Sciences, Department of Physics, TR-80815 Bebek-Istanbul (Turkey)
  2. Institut de Fisica d'Altes Energies, IFAE, Universitat Autonoma de Barcelona, Edifici Cn, ES-08193 Bellaterra, Barcelona (Spain)
  3. Hampton University, Department of Physics, Hampton, VA 23668 (United States)
  4. Queen Mary, University of London, Mile End Road, E1 4NS, London (United Kingdom)
  5. Universitaet Mainz, Institut fuer Physik, Staudinger Weg 7, DE-55099 (Germany)
  6. Insitute of Physics, Academia Sinica, TW-Taipei 11529, Taiwan (China)
  7. Lunds universitet, Naturvetenskapliga fakulteten, Fysiska institutionen, Box 118, SE-221 00, Lund (Sweden)
  8. European Laboratory for Particle Physics (CERN), CH-1211 Geneva 23 (Switzerland)
  9. National Institute of Physics and Nuclear Engineering (Bucharest -IFIN-HH), P.O. Box MG-6, R-077125 Bucharest (Romania)
  10. University of Chicago, Enrico Fermi Institute, 5640 S. Ellis Avenue, Chicago, IL 60637 (United States)
  11. INFN Sezione di Milano, via Celoria 16, IT-20133 Milano (Italy)
  12. University of Athens, Nuclear and Particle Physics Department of Physics, Panepistimiopouli Zografou, GR 15771 Athens (Greece)
  13. School of Physics, University of Melbourne, AU-Parkvill, Victoria 3010 (Australia)
  14. Rutherford Appleton Laboratory, Science and Technology Facilities Council, Harwell Science and Innovation Campus, Didcot OX11 0QX (United Kingdom)
  15. Yale University, Department of Physics, PO Box 208121, New Haven, CT06520-8121 (United States)
Publication Date:
Apr 01, 2011
Product Type:
Journal Article
Resource Relation:
Journal Name: Journal of Instrumentation; Journal Volume: 6; Journal Issue: 04; Other Information: DOI: 10.1088/1748-0221/6/04/P04001
Subject:
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY; ARGON; BEAMS; CALORIMETERS; CERN SPS SYNCHROTRON; COMPUTERIZED SIMULATION; LIQUIDS; MAPS; MONTE CARLO METHOD; PARTICLES; PHOTONS; ACCELERATORS; BOSONS; CALCULATION METHODS; CYCLIC ACCELERATORS; ELEMENTARY PARTICLES; ELEMENTS; FLUIDS; GASES; MASSLESS PARTICLES; MEASURING INSTRUMENTS; NONMETALS; RARE GASES; SIMULATION; SYNCHROTRONS
OSTI ID:
21543842
Country of Origin:
United Kingdom
Language:
English
Other Identifying Numbers:
Journal ID: ISSN 1748-0221; TRN: GB12P0939022934
Availability:
Available from http://dx.doi.org/10.1088/1748-0221/6/04/P04001
Submitting Site:
GBN
Size:
page(s) P04001
Announcement Date:
Apr 14, 2012

Citation Formats

Abat, E, Arik, E, Abdallah, J M, Addy, T N, Adragna, P, Aharrouche, M, Ahmad, A, Akesson, T P A, Aleksa, M, Anghinolfi, F, Baron, S, Alexa, C, Anderson, K, Andreazza, A, Banfi, D, Antonaki, A, Arabidze, G, Atkinson, T, Baines, J, and Baker, O K, E-mail: stathes.paganis@cern.ch. Photon reconstruction in the ATLAS Inner Detector and Liquid Argon Barrel Calorimeter at the 2004 Combined Test Beam. United Kingdom: N. p., 2011. Web. doi:10.1088/1748-0221/6/04/P04001.
Abat, E, Arik, E, Abdallah, J M, Addy, T N, Adragna, P, Aharrouche, M, Ahmad, A, Akesson, T P A, Aleksa, M, Anghinolfi, F, Baron, S, Alexa, C, Anderson, K, Andreazza, A, Banfi, D, Antonaki, A, Arabidze, G, Atkinson, T, Baines, J, & Baker, O K, E-mail: stathes.paganis@cern.ch. Photon reconstruction in the ATLAS Inner Detector and Liquid Argon Barrel Calorimeter at the 2004 Combined Test Beam. United Kingdom. doi:10.1088/1748-0221/6/04/P04001.
Abat, E, Arik, E, Abdallah, J M, Addy, T N, Adragna, P, Aharrouche, M, Ahmad, A, Akesson, T P A, Aleksa, M, Anghinolfi, F, Baron, S, Alexa, C, Anderson, K, Andreazza, A, Banfi, D, Antonaki, A, Arabidze, G, Atkinson, T, Baines, J, and Baker, O K, E-mail: stathes.paganis@cern.ch. 2011. "Photon reconstruction in the ATLAS Inner Detector and Liquid Argon Barrel Calorimeter at the 2004 Combined Test Beam." United Kingdom. doi:10.1088/1748-0221/6/04/P04001. https://www.osti.gov/servlets/purl/10.1088/1748-0221/6/04/P04001.
@misc{etde_21543842,
title = {Photon reconstruction in the ATLAS Inner Detector and Liquid Argon Barrel Calorimeter at the 2004 Combined Test Beam}
author = {Abat, E, Arik, E, Abdallah, J M, Addy, T N, Adragna, P, Aharrouche, M, Ahmad, A, Akesson, T P A, Aleksa, M, Anghinolfi, F, Baron, S, Alexa, C, Anderson, K, Andreazza, A, Banfi, D, Antonaki, A, Arabidze, G, Atkinson, T, Baines, J, and Baker, O K, E-mail: stathes.paganis@cern.ch}
abstractNote = {The reconstruction of photons in the ATLAS detector is studied with data taken during the 2004 Combined Test Beam, where a full slice of the ATLAS detector was exposed to beams of particles of known energy at the CERN SPS. The results presented show significant differences in the longitudinal development of the electromagnetic shower between converted and unconverted photons as well as in the total measured energy. The potential to use the reconstructed converted photons as a means to precisely map the material of the tracker in front of the electromagnetic calorimeter is also considered. All results obtained are compared with a detailed Monte-Carlo simulation of the test-beam setup which is based on the same simulation and reconstruction tools as those used for the ATLAS detector itself.}
doi = {10.1088/1748-0221/6/04/P04001}
journal = {Journal of Instrumentation}
issue = {04}
volume = {6}
place = {United Kingdom}
year = {2011}
month = {Apr}
}