Study of $$Z \rightarrow ll\gamma $$ Z → l l γ decays at $$\sqrt{s}$$ s = 8 TeV with the ATLAS detector
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Issue Date
2024-02-26
Type
Journal Article
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Abstract
Abstract
This paper presents a study of
$$Z \rightarrow ll\gamma $$
Z
→
l
l
γ
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
$$^{-1}$$
-
1
collected at a centre-of-mass energy
$$\sqrt{s}$$
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
$$Z \rightarrow ll\gamma \gamma $$
Z
→
l
l
γ
γ
decays are also reported.
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Citation
The European Physical Journal C. 2024 Feb 26;84(2):195