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Electron and photon energy calibration with the ATLAS detector using 2015-2016 LHC proton-proton collision data

, ; Aaboud, M; Åkesson, Torsten LU ; Bocchetta, Simona LU ; Bryngemark, Lene LU ; Corrigan, Eric LU ; Doglioni, Caterina LU ; Gregersen, Kristian LU ; Brottmann Hansen, Eva LU and Hedberg, Vincent LU , et al. (2019) In Journal of Instrumentation 14(3).
Abstract
This paper presents the electron and photon energy calibration obtained with the ATLAS detector using about 36 fb -1 of LHC proton-proton collision data recorded at s=13 TeV in 2015 and 2016. The different calibration steps applied to the data and the optimization of the reconstruction of electron and photon energies are discussed. The absolute energy scale is set using a large sample of Z boson decays into electron-positron pairs. The systematic uncertainty in the energy scale calibration varies between 0.03% to 0.2% in most of the detector acceptance for electrons with transverse momentum close to 45 GeV . For electrons with transverse momentum of 10 GeV the typical uncertainty is 0.3% to 0.8% and it varies between 0.25% and 1% for... (More)
This paper presents the electron and photon energy calibration obtained with the ATLAS detector using about 36 fb -1 of LHC proton-proton collision data recorded at s=13 TeV in 2015 and 2016. The different calibration steps applied to the data and the optimization of the reconstruction of electron and photon energies are discussed. The absolute energy scale is set using a large sample of Z boson decays into electron-positron pairs. The systematic uncertainty in the energy scale calibration varies between 0.03% to 0.2% in most of the detector acceptance for electrons with transverse momentum close to 45 GeV . For electrons with transverse momentum of 10 GeV the typical uncertainty is 0.3% to 0.8% and it varies between 0.25% and 1% for photons with transverse momentum around 60 GeV . Validations of the energy calibration with J/ψ → e + e - decays and radiative Z boson decays are also presented. © 2019 CERN for the benefit of the ATLAS collaboration. (Less)
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keywords
calibration and fitting methods, Calorimeter methods, cluster finding, Pattern recognition, Performance of High Energy Physics Detectors, Bosons, Electrons, Germanium compounds, Momentum, Photons, Tellurium compounds, Electron-positron pairs, Energy calibration, Energy scale calibrations, Fitting method, High energy physics detector, Proton proton collisions, Systematic uncertainties, Calibration
in
Journal of Instrumentation
volume
14
issue
3
publisher
IOP Publishing
external identifiers
  • scopus:85065673412
ISSN
1748-0221
DOI
10.1088/1748-0221/14/03/P03017
language
English
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yes
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487515ca-8380-409c-83ad-7083b55738d1
date added to LUP
2019-05-29 11:08:49
date last changed
2019-07-16 04:10:27
@article{487515ca-8380-409c-83ad-7083b55738d1,
  abstract     = {This paper presents the electron and photon energy calibration obtained with the ATLAS detector using about 36 fb -1 of LHC proton-proton collision data recorded at s=13 TeV in 2015 and 2016. The different calibration steps applied to the data and the optimization of the reconstruction of electron and photon energies are discussed. The absolute energy scale is set using a large sample of Z boson decays into electron-positron pairs. The systematic uncertainty in the energy scale calibration varies between 0.03% to 0.2% in most of the detector acceptance for electrons with transverse momentum close to 45 GeV . For electrons with transverse momentum of 10 GeV the typical uncertainty is 0.3% to 0.8% and it varies between 0.25% and 1% for photons with transverse momentum around 60 GeV . Validations of the energy calibration with J/ψ → e + e - decays and radiative Z boson decays are also presented. © 2019 CERN for the benefit of the ATLAS collaboration.},
  articleno    = {P03017},
  author       = {,  and Aaboud, M and Åkesson, Torsten and Bocchetta, Simona and Bryngemark, Lene and Corrigan, Eric and Doglioni, Caterina and Gregersen, Kristian and Brottmann Hansen, Eva and Hedberg, Vincent and Jarlskog, Göran and Kalderon, Charles and Kellermann, Edgar and Konya, Balazs and Lytken, Else and Mankinen, Katja and Marcon, Caterina and Mjörnmark, Ulf and Mullier, Geoffrey and Pöttgen, Ruth and Poulsen, Trine and Smirnova, Oxana and Zwalinski, L},
  issn         = {1748-0221},
  keyword      = {calibration and fitting methods,Calorimeter methods,cluster finding,Pattern recognition,Performance of High Energy Physics Detectors,Bosons,Electrons,Germanium compounds,Momentum,Photons,Tellurium compounds,Electron-positron pairs,Energy calibration,Energy scale calibrations,Fitting method,High energy physics detector,Proton proton collisions,Systematic uncertainties,Calibration},
  language     = {eng},
  number       = {3},
  publisher    = {IOP Publishing},
  series       = {Journal of Instrumentation},
  title        = {Electron and photon energy calibration with the ATLAS detector using 2015-2016 LHC proton-proton collision data},
  url          = {http://dx.doi.org/10.1088/1748-0221/14/03/P03017},
  volume       = {14},
  year         = {2019},
}