Electron and photon efficiencies in LHC Run 2 with the ATLAS experiment
Precision measurements of electron reconstruction, identification, and isolation efficiencies and photon identification efficiencies are presented. They use the full Run 2 data sample collected by the ATLAS experiment in pp collisions at a centre-of-mass energy of 13 TeV during the years 2015-2018,...
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| Hauptverfasser: | , , , , , , , , , , , , , , , , , , , , , , |
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| Körperschaft: | |
| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
2024
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| In: |
Journal of high energy physics
Year: 2024, Heft: 5, Pages: 1-65 |
| ISSN: | 1029-8479 |
| DOI: | 10.1007/JHEP05(2024)162 |
| Online-Zugang: | Verlag, kostenfrei, Volltext: https://doi.org/10.1007/JHEP05(2024)162
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| Verfasserangaben: | the ATLAS collaboration* |
MARC
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| 245 | 1 | 0 | |a Electron and photon efficiencies in LHC Run 2 with the ATLAS experiment |c the ATLAS collaboration* |
| 246 | 3 | 0 | |a two |
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| 500 | |a Veröffentlicht: 14. Mai 2024 | ||
| 500 | |a *The ATLAS collaboration: G. Aad, L.M. Baltes, F. Bartels, M.M. Czurylo, S.J. Dittmeier, M. Dunford, S. Franchino, T. Junkermann, M. Klassen, T. Mkrtchyan, P.S. Ott, D.F. Rassloff, S. Rodriguez Bosca, C. Sauer, A. Schoening, H.-C. Schultz-Coulon, V. Sothilingam, R. Stamen, P. Starovoitov, L. Vigani, S.M. Weber, M. Wessels, J. Zinsser [und sehr viele weitere Personen] | ||
| 500 | |a Gesehen am 02.07.2025 | ||
| 520 | |a Precision measurements of electron reconstruction, identification, and isolation efficiencies and photon identification efficiencies are presented. They use the full Run 2 data sample collected by the ATLAS experiment in pp collisions at a centre-of-mass energy of 13 TeV during the years 2015-2018, corresponding to an integrated luminosity of 139 fb−1. The measured electron identification efficiencies have uncertainties that are around 30%-50% smaller than the previous Run 2 results due to an improved methodology and the inclusion of more data. A better pile-up subtraction method leads to electron isolation efficiencies that are more independent of the amount of pile-up activity. Updated photon identification efficiencies are also presented, using the full Run 2 data. When compared to the previous measurement, a 30%-40% smaller uncertainty is observed on the photon identification efficiencies, thanks to the increased amount of available data. | ||
| 650 | 4 | |a Accelerator Physics | |
| 650 | 4 | |a Data acquisition | |
| 650 | 4 | |a Electron Diffraction | |
| 650 | 4 | |a Experimental Particle Physics | |
| 650 | 4 | |a Hadron-Hadron Scattering | |
| 650 | 4 | |a Particle Physics | |
| 650 | 4 | |a Synchrotron Techniques | |
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