Journal article

A Layer Correlation technique for pion energy calibration at the 2004 ATLAS Combined Beam Test

Abstract:: A new method for calibrating the hadron response of a segmented calorimeter is developed and successfully applied to beam test data. It is based on a principal component analysis of energy deposits in the calorimeter layers, exploiting longitudinal shower development information to improve the measured energy resolution. Corrections for invisible hadronic energy and energy lost in dead material in front of and between the calorimeters of the ATLAS experiment were calculated with simulated Geant4 Monte Carlo events and used to reconstruct the energy of pions impinging on the calorimeters during the 2004 Barrel Combined Beam Test at the CERN H8 area. For pion beams with energies between 20 GeV and 180 GeV, the particle energy is reconstructed within 3% and the energy resolution is improved by between 11% and 25% compared to the resolution at the electromagnetic scale.

Publication status:: Published

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APA Style

Abat, E., Abdallah, J., Addy, T., Adragna, P., Aharrouche, M., Ahmad, A., Akesson, T., Aleksa, M., Alexa, C., Anderson, K., Andreazza, A., Anghinolfi, F., Antonaki, A., Arabidze, G., Arik, E., Atkinson, T., Baines, J., Baker, O., Banfi, D., … Bell, P. (2010). A Layer Correlation technique for pion energy calibration at the 2004 ATLAS Combined Beam Test. JOURNAL OF INSTRUMENTATION, 6(06), P06001–P06001.

MLA Style

Abat, E., et al. “A Layer Correlation Technique for Pion Energy Calibration at the 2004 ATLAS Combined Beam Test.” JOURNAL OF INSTRUMENTATION, vol. 6, no. 06, 2010, pp. P06001–P06001.

Chicago Style

Abat, E, J Abdallah, T Addy, P Adragna, M Aharrouche, A Ahmad, T Akesson, et al. 2010. “A Layer Correlation Technique for Pion Energy Calibration at the 2004 ATLAS Combined Beam Test.” JOURNAL OF INSTRUMENTATION 6 (06): P06001–P06001.
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Publisher copy:: 10.1088/1748-0221/6/06/P06001

Authors

+ Abat, E More by this author

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+ Abdallah, J More by this author

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+ Addy, T More by this author

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+ Adragna, P More by this author

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+ Aharrouche, M More by this author

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Journal:: JOURNAL OF INSTRUMENTATION More from this journal
Volume:: 6
Issue:: 06
Pages:: P06001-P06001
Publication date:: 2010-12-20
DOI:: 10.1088/1748-0221/6/06/P06001
EISSN:: 1748-0221
ISSN:: 1748-0221

Keywords:: hep-ex

physics.ins-det
Pubs id:: pubs:175524
UUID:: uuid:aaef90ad-3415-4f2d-b754-575d0655f1c5
Local pid:: pubs:175524
Source identifiers:: 175524
Deposit date:: 2012-12-19

Terms of use

Copyright date:: 2010
Notes:: 36 pages, 12 figures, accepted by JINST

Licence:: Terms and Conditions of Use for Oxford University Research Archive

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