Study of Z → 𝑙𝑙γ decays at √s = 8 TeV with the ATLAS detector
Date
2024
Authors
Aad, G.
Abbott, B.
Abbott, D.C.
Abeling, K.
Abidi, S.H.
Aboulhorma, A.
Abramowicz, H.
Abreu, H.
Abulaiti, Y.
Hoffman, A.C.A.
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Journal article
Citation
European Physical Journal C, 2024; 84(2):195-1-195-29
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ATLAS Collaboration
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Abstract
This paper presents a study of Z → 𝑙𝑙γ decays with the ATLAS detector at the Large Hadron Collider. The analysis uses a proton–proton data sample corresponding to an integrated luminosity of 20.2 fb‾¹ collected at a centre-of mass energy √s = 8 TeV. Integrated fiducial cross-sections together with normalised differential fiducial cross-sections, sensitive to the kinematics of final-state QED radiation, are obtained. The results are found to be in agreement with state of-the-art predictions for final-state QED radiation. First measurements of Z → 𝑙𝑙γ γ decays are also reported.
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© CERN for the benefit of The ATLAS Collaboration 2024. This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecomm ons.org/licenses/by/4.0/.