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Electron and photon energy calibration with the ATLAS detector using LHC Run 2 data

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Electron and photon energy calibration with the ATLAS detector using LHC Run 2 data. / The ATLAS collaboration.
In: Journal of Instrumentation, Vol. 19, No. 02, P02009, 01.02.2024.

Research output: Contribution to Journal/MagazineJournal articlepeer-review

Harvard

The ATLAS collaboration 2024, 'Electron and photon energy calibration with the ATLAS detector using LHC Run 2 data', Journal of Instrumentation, vol. 19, no. 02, P02009. https://doi.org/10.1088/1748-0221/19/02/p02009

APA

The ATLAS collaboration (2024). Electron and photon energy calibration with the ATLAS detector using LHC Run 2 data. Journal of Instrumentation, 19(02), Article P02009. https://doi.org/10.1088/1748-0221/19/02/p02009

Vancouver

The ATLAS collaboration. Electron and photon energy calibration with the ATLAS detector using LHC Run 2 data. Journal of Instrumentation. 2024 Feb 1;19(02):P02009. doi: 10.1088/1748-0221/19/02/p02009

Author

The ATLAS collaboration. / Electron and photon energy calibration with the ATLAS detector using LHC Run 2 data. In: Journal of Instrumentation. 2024 ; Vol. 19, No. 02.

Bibtex

@article{91b0208b3853495a83ade2dbea4d110f,
title = "Electron and photon energy calibration with the ATLAS detector using LHC Run 2 data",
abstract = "This paper presents the electron and photon energy calibration obtained with the ATLAS detector using 140 fb-1 of LHC proton-proton collision data recorded at √(s) = 13 TeV between 2015 and 2018. Methods for the measurement of electron and photon energies are outlined, along with the current knowledge of the passive material in front of the ATLAS electromagnetic calorimeter. The energy calibration steps are discussed in detail, with emphasis on the improvements introduced in this paper. The absolute energy scale is set using a large sample of Z-boson decays into electron-positron pairs, and its residual dependence on the electron energy is used for the first time to further constrain systematic uncertainties. The achieved calibration uncertainties are typically 0.05% for electrons from resonant Z-boson decays, 0.4% at E T ∼ 10 GeV, and 0.3% at E T ∼ 1 TeV; for photons at E T ∼ 60 GeV, they are 0.2% on average. This is more than twice as precise as the previous calibration. The new energy calibration is validated using J/ψ → ee and radiative Z-boson decays.",
keywords = "Performance of High Energy Physics Detectors, Calorimeter methods, Pattern recognition, cluster finding, calibration and fitting methods",
author = "{The ATLAS collaboration} and A.E. Barton and I.A. Bertram and G. Borissov and E.V. Bouhova-Thacker and R.A.M. Ferguson and H. Fox and Alina Hagan and R.C.W. Henderson and R.W.L. Jones and V. Kartvelishvili and P.A. Love and E.J. Marshall and L. Meng and D. Muenstermann and N. Ribaric and K. Rybacki and M. Smizanska and S. Spinali and A.M. Wharton",
year = "2024",
month = feb,
day = "1",
doi = "10.1088/1748-0221/19/02/p02009",
language = "English",
volume = "19",
journal = "Journal of Instrumentation",
issn = "1748-0221",
publisher = "Institute of Physics Publishing",
number = "02",

}

RIS

TY - JOUR

T1 - Electron and photon energy calibration with the ATLAS detector using LHC Run 2 data

AU - The ATLAS collaboration

AU - Barton, A.E.

AU - Bertram, I.A.

AU - Borissov, G.

AU - Bouhova-Thacker, E.V.

AU - Ferguson, R.A.M.

AU - Fox, H.

AU - Hagan, Alina

AU - Henderson, R.C.W.

AU - Jones, R.W.L.

AU - Kartvelishvili, V.

AU - Love, P.A.

AU - Marshall, E.J.

AU - Meng, L.

AU - Muenstermann, D.

AU - Ribaric, N.

AU - Rybacki, K.

AU - Smizanska, M.

AU - Spinali, S.

AU - Wharton, A.M.

PY - 2024/2/1

Y1 - 2024/2/1

N2 - This paper presents the electron and photon energy calibration obtained with the ATLAS detector using 140 fb-1 of LHC proton-proton collision data recorded at √(s) = 13 TeV between 2015 and 2018. Methods for the measurement of electron and photon energies are outlined, along with the current knowledge of the passive material in front of the ATLAS electromagnetic calorimeter. The energy calibration steps are discussed in detail, with emphasis on the improvements introduced in this paper. The absolute energy scale is set using a large sample of Z-boson decays into electron-positron pairs, and its residual dependence on the electron energy is used for the first time to further constrain systematic uncertainties. The achieved calibration uncertainties are typically 0.05% for electrons from resonant Z-boson decays, 0.4% at E T ∼ 10 GeV, and 0.3% at E T ∼ 1 TeV; for photons at E T ∼ 60 GeV, they are 0.2% on average. This is more than twice as precise as the previous calibration. The new energy calibration is validated using J/ψ → ee and radiative Z-boson decays.

AB - This paper presents the electron and photon energy calibration obtained with the ATLAS detector using 140 fb-1 of LHC proton-proton collision data recorded at √(s) = 13 TeV between 2015 and 2018. Methods for the measurement of electron and photon energies are outlined, along with the current knowledge of the passive material in front of the ATLAS electromagnetic calorimeter. The energy calibration steps are discussed in detail, with emphasis on the improvements introduced in this paper. The absolute energy scale is set using a large sample of Z-boson decays into electron-positron pairs, and its residual dependence on the electron energy is used for the first time to further constrain systematic uncertainties. The achieved calibration uncertainties are typically 0.05% for electrons from resonant Z-boson decays, 0.4% at E T ∼ 10 GeV, and 0.3% at E T ∼ 1 TeV; for photons at E T ∼ 60 GeV, they are 0.2% on average. This is more than twice as precise as the previous calibration. The new energy calibration is validated using J/ψ → ee and radiative Z-boson decays.

KW - Performance of High Energy Physics Detectors

KW - Calorimeter methods

KW - Pattern recognition, cluster finding, calibration and fitting methods

U2 - 10.1088/1748-0221/19/02/p02009

DO - 10.1088/1748-0221/19/02/p02009

M3 - Journal article

VL - 19

JO - Journal of Instrumentation

JF - Journal of Instrumentation

SN - 1748-0221

IS - 02

M1 - P02009

ER -