Abstract
Abstract
Neutral current Drell–Yan (DY) lepton-pair production is considered to study Z-boson quark couplings. Using the open-source fit platform , we investigate the impact of high-statistics measurements of the neutral current DY (NCDY) forward–backward asymmetry
$$A_{\textrm{FB}}$$
A
FB
near the weak boson mass scale in the present and forthcoming stages of the Large Hadron Collider (LHC). Besides recovering earlier results on the
$$A_{\textrm{FB}}$$
A
FB
sensitivity to parton distribution functions, we analyze the precision determination of Z-boson couplings to left-handed and right-handed u-quarks and d-quarks, and explore Beyond-Standard-Model contributions using the Standard Model Effective Field Theory (SMEFT) framework. We perform a sensitivity study and comment on the role of the
$$A_{\textrm{FB}}$$
A
FB
asymmetry for the electroweak SMEFT fit and precision Z-boson physics at the LHC and high-luminosity HL-LHC.
Publisher
Springer Science and Business Media LLC
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