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

M Aaboud; Torsten Åkesson; Simona Bocchetta; Lene Bryngemark; Eric Corrigan; Caterina Doglioni; Kristian Gregersen; Eva Brottmann Hansen; Vincent Hedberg; Göran Jarlskog; Charles Kalderon; Edgar Kellermann; Balazs Konya; Else Lytken; Katja Mankinen; Caterina Marcon; Ulf Mjörnmark; Geoffrey Mullier; Ruth Pöttgen; Trine Poulsen; Oxana Smirnova; L Zwalinski; ATLAS Collaboration

doi:10.1088/1748-0221/14/03/P03017

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

M Aaboud, Torsten Åkesson, Simona Bocchetta, Lene Bryngemark, Eric Corrigan, Caterina Doglioni, Kristian Gregersen, Eva Brottmann Hansen, Vincent Hedberg, Göran Jarlskog, Charles Kalderon, Edgar Kellermann, Balazs Konya, Else Lytken, Katja Mankinen, Caterina Marcon, Ulf Mjörnmark, Geoffrey Mullier, Ruth Pöttgen, Trine PoulsenOxana Smirnova, L Zwalinski, ATLAS Collaboration

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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.

Original language	English
Article number	P03017
Journal	Journal of Instrumentation
Volume	14
Issue number	3
DOIs	https://doi.org/10.1088/1748-0221/14/03/P03017
Publication status	Published - 2019

Bibliographical note

Export Date: 29 May 2019

Subject classification (UKÄ)

Subatomic Physics

Free 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

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10.1088/1748-0221/14/03/P03017

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Aaboud, M., Åkesson, T., Bocchetta, S., Bryngemark, L., Corrigan, E., Doglioni, C., Gregersen, K., Brottmann Hansen, E., Hedberg, V., Jarlskog, G., Kalderon, C., Kellermann, E., Konya, B., Lytken, E., Mankinen, K., Marcon, C., Mjörnmark, U., Mullier, G., Pöttgen, R., ... ATLAS Collaboration (2019). Electron and photon energy calibration with the ATLAS detector using 2015-2016 LHC proton-proton collision data. Journal of Instrumentation, 14(3), Article P03017. https://doi.org/10.1088/1748-0221/14/03/P03017

@article{487515ca8380409c83ad7083b55738d1,

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

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. {\textcopyright} 2019 CERN for the benefit of the ATLAS collaboration.",

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",

author = "M Aaboud and Torsten {\AA}kesson and Simona Bocchetta and Lene Bryngemark and Eric Corrigan and Caterina Doglioni and Kristian Gregersen and \{Brottmann Hansen\}, Eva and Vincent Hedberg and G{\"o}ran Jarlskog and Charles Kalderon and Edgar Kellermann and Balazs Konya and Else Lytken and Katja Mankinen and Caterina Marcon and Ulf Mj{\"o}rnmark and Geoffrey Mullier and Ruth P{\"o}ttgen and Trine Poulsen and Oxana Smirnova and L Zwalinski and \{ATLAS Collaboration\}",

note = "Export Date: 29 May 2019",

year = "2019",

doi = "10.1088/1748-0221/14/03/P03017",

language = "English",

volume = "14",

journal = "Journal of Instrumentation",

issn = "1748-0221",

publisher = "IOP Publishing",

number = "3",

}

Aaboud, M, Åkesson, T, Bocchetta, S, Bryngemark, L, Corrigan, E, Doglioni, C, Gregersen, K, Brottmann Hansen, E, Hedberg, V , Jarlskog, G, Kalderon, C, Kellermann, E, Konya, B , Lytken, E, Mankinen, K, Marcon, C, Mjörnmark, U, Mullier, G, Pöttgen, R, Poulsen, T, Smirnova, O, Zwalinski, L & ATLAS Collaboration 2019, 'Electron and photon energy calibration with the ATLAS detector using 2015-2016 LHC proton-proton collision data', Journal of Instrumentation, vol. 14, no. 3, P03017. https://doi.org/10.1088/1748-0221/14/03/P03017

TY - JOUR

T1 - Electron and photon energy calibration with the ATLAS detector using 2015-2016 LHC proton-proton collision data

AU - Aaboud, M

AU - Åkesson, Torsten

AU - Bocchetta, Simona

AU - Bryngemark, Lene

AU - Corrigan, Eric

AU - Doglioni, Caterina

AU - Gregersen, Kristian

AU - Brottmann Hansen, Eva

AU - Hedberg, Vincent

AU - Jarlskog, Göran

AU - Kalderon, Charles

AU - Kellermann, Edgar

AU - Konya, Balazs

AU - Lytken, Else

AU - Mankinen, Katja

AU - Marcon, Caterina

AU - Mjörnmark, Ulf

AU - Mullier, Geoffrey

AU - Pöttgen, Ruth

AU - Poulsen, Trine

AU - Smirnova, Oxana

AU - Zwalinski, L

AU - ATLAS Collaboration

N1 - Export Date: 29 May 2019

PY - 2019

Y1 - 2019

N2 - 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.

AB - 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.

KW - calibration and fitting methods

KW - Calorimeter methods

KW - cluster finding

KW - Pattern recognition

KW - Performance of High Energy Physics Detectors

KW - Bosons

KW - Electrons

KW - Germanium compounds

KW - Momentum

KW - Photons

KW - Tellurium compounds

KW - Electron-positron pairs

KW - Energy calibration

KW - Energy scale calibrations

KW - Fitting method

KW - High energy physics detector

KW - Proton proton collisions

KW - Systematic uncertainties

KW - Calibration

UR - https://www.scopus.com/pages/publications/85065673412

U2 - 10.1088/1748-0221/14/03/P03017

DO - 10.1088/1748-0221/14/03/P03017

M3 - Article

SN - 1748-0221

VL - 14

JO - Journal of Instrumentation

JF - Journal of Instrumentation

IS - 3

M1 - P03017

ER -

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

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