Electron and photon performance measurements with the ATLAS detector using the 2015–2017 LHC proton-proton collision data
Journal Article
·
· Journal of Instrumentation
This paper describes the reconstruction of electrons and photons with the ATLAS detector, as employed for measurements and searches exploiting the complete LHC Run 2 dataset. An improved energy clustering algorithm is introduced, and its implications for the measurement and identification of electrons and photons are discussed in detail. Corrections and calibrations that affect performance, including energy calibration, identification and isolation efficiencies, and the measurement of the charge of reconstructed electron candidates are determined using up to 81 fb-1 of proton-proton collision data collected at $$\sqrt{s}=$$ 13 TeV between 2015 and 2017.
- Research Organization:
- Harvard Univ., Cambridge, MA (United States); Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States); SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States); Univ. of Michigan, Ann Arbor MI (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC); USDOE Office of Science (SC), High Energy Physics (HEP)
- Contributing Organization:
- The ATLAS Collaboration; The ATLAS collaboration
- Grant/Contract Number:
- AC02-05CH11231; AC02-76SF00515; SC0007859; SC0007881
- OSTI ID:
- 1582370
- Report Number(s):
- CERN-EP--2019-145; ark:/13030/qt2473x0n5
- Journal Information:
- Journal of Instrumentation, Journal Name: Journal of Instrumentation Journal Issue: 12 Vol. 14; ISSN 1748-0221
- Publisher:
- Institute of Physics (IOP)Copyright Statement
- Country of Publication:
- United States
- Language:
- English
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