Please use this identifier to cite or link to this item:
https://hdl.handle.net/20.500.11851/11931
Title: | Electron and Photon Efficiencies in Lhc Run 2 With the Atlas Experiment | Authors: | Aad, G. Abbott, B. Abeling, K. Abicht, N.J. Abidi, S.H. Aboulhorma, A. Abramowicz, H. |
Keywords: | Hadron-Hadron Scattering | Publisher: | Springer Science and Business Media Deutschland GmbH | Abstract: | 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. © The Author(s) 2024. | URI: | https://doi.org/10.1007/JHEP05(2024)162 https://hdl.handle.net/20.500.11851/11931 |
ISSN: | 1029-8479 |
Appears in Collections: | Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection |
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