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

TitleElectron and photon energy calibration with the ATLAS detector using 2015–2016 LHC proton-proton collision data
Authors
KeywordsCalorimeter methods
Pattern recognition, cluster finding, calibration and fitting
Performance of High Energy Physics Detectors
Issue Date2019
PublisherIOP Publishing. The Journal's web site is located at http://www.iop.org/EJ/journal/1748-0221
Citation
Journal of Instrumentation, 2019, v. 14, article no. P03017, p. 1-58 How to Cite?
AbstractThis 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.
Persistent Identifierhttp://hdl.handle.net/10722/269345
ISSN
2021 Impact Factor: 1.121
2020 SCImago Journal Rankings: 0.741
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorATLAS collaboration-
dc.contributor.authorLo, CY-
dc.contributor.authorOrlando, N-
dc.contributor.authorParedes Hernandez, DK-
dc.contributor.authorTu, Y-
dc.date.accessioned2019-04-24T08:05:47Z-
dc.date.available2019-04-24T08:05:47Z-
dc.date.issued2019-
dc.identifier.citationJournal of Instrumentation, 2019, v. 14, article no. P03017, p. 1-58-
dc.identifier.issn1748-0221-
dc.identifier.urihttp://hdl.handle.net/10722/269345-
dc.description.abstractThis 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.-
dc.languageeng-
dc.publisherIOP Publishing. The Journal's web site is located at http://www.iop.org/EJ/journal/1748-0221-
dc.relation.ispartofJournal of Instrumentation-
dc.rightsThis work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.-
dc.subjectCalorimeter methods-
dc.subjectPattern recognition, cluster finding, calibration and fitting-
dc.subjectPerformance of High Energy Physics Detectors-
dc.titleElectron and photon energy calibration with the ATLAS detector using 2015–2016 LHC proton-proton collision data-
dc.typeArticle-
dc.identifier.emailParedes Hernandez, DK: dparedes@hku.hk-
dc.identifier.emailTu, Y: yanjuntu@hku.hk-
dc.identifier.authorityTu, Y=rp01971-
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.1088/1748-0221/14/03/P03017-
dc.identifier.scopuseid_2-s2.0-85065673412-
dc.identifier.hkuros297647-
dc.identifier.volume14-
dc.identifier.spagearticle no. P03017, p. 1-
dc.identifier.epagearticle no. P03017, p. 58-
dc.identifier.isiWOS:000463330900005-
dc.publisher.placeUnited Kingdom-
dc.identifier.issnl1748-0221-

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