期刊
JOURNAL OF INSTRUMENTATION
卷 14, 期 -, 页码 -出版社
IOP Publishing Ltd
DOI: 10.1088/1748-0221/14/03/P03017
关键词
Calorimeter methods; Pattern recognition, cluster finding, calibration and fitting methods; Performance of High Energy Physics Detectors
资金
- ANPCyT, Argentina
- YerPhI, Armenia
- ARC, Australia
- BMWFW
- FWF, Austria
- ANAS
- SSTC, Belarus
- CNPq
- FAPESP, Brazil
- NSERC
- CFI, Canada
- CONICYT
- NSFC, China
- COLCIENCIAS, Colombia
- MSMT CR
- MPO CR
- VSC CR, Czech Republic
- DNRF
- DNSRC, Denmark
- IN2P3-CNRS, CEA-DRF/IRFU, France
- BMBF
- MPG, Germany
- GSRT, Greece
- RGC, Hong Kong SAR, China
- ISF
- Benoziyo Center, Israel
- INFN, Italy
- MEXT
- JSPS, Japan
- CNRST, Morocco
- NWO, Netherlands
- RCN, Norway
- MNiSW
- NCN, Poland
- FCT, Portugal
- MNE/IFA, Romania
- NRC KI, Russian Federation
- MESTD, Serbia
- MSSR, Slovakia
- ARRS
- MIZS, Slovenia
- MINECO, Spain
- Wallenberg Foundation, Sweden
- SNSF
- MOST, Taiwan
- TAEK, Turkey
- STFC, United Kingdom
- DOE
- NSF
- BCKDF
- CANARIE
- COST, ERC
- ERDF
- Marie Sklodowska-Curie Actions, European Union
- Investissements d' Avenir Labex
- ANR, France
- DFG
- AvH Foundation, Germany - EU-ESF
- Greek NSRF, Greece
- BSF-NSF
- GIF, Israel
- CERCA Programme Generalitat de Catalunya, Spain
- Royal Society
- Leverhulme Trust, United Kingdom
- STFC [ST/N000277/1, ST/S000860/1, ST/P002439/1, ST/S00095X/1, ST/N000463/1, ST/N000234/1, ST/S000747/1] Funding Source: UKRI
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 root 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/psi -> e(+)e(-) decays and radiative Z boson decays are also presented.
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