On the direct determination of ${\sin }^2{\theta }_{eff}^{\ell }$ at hadron colliders

Abstract

We discuss the renormalization of the electroweak Standard Model at 1-loop using the leptonic effective weak mixing angle as one of the input parameters. We evaluate the impact of this choice in the prediction of the forward-backward asymmetry for the neutral current Drell-Yan process. The proposed input scheme is suitable for a direct determination of the effective leptonic weak mixing angle from the experimental data.

arXiv comment5 pages, 3 figures

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