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Full NLO predictions for vector-boson scattering into Z bosons and its irreducible background at the LHC (2107.10688v2)
Published 22 Jul 2021 in hep-ph
Abstract: Vector-boson scattering into two Z bosons at the LHC is a key channel for the exploration of the electroweak sector of the Standard Model. It allows for the full reconstruction of the scattering process but at the price of a huge irreducible background. For the first time, we present full next-to-leading-order predictions for $pp \to e+e-\mu+\mu-jj+X$ including all electroweak and QCD contributions for vector-boson scattering signal and irreducible background. The results are presented in the form of cross sections and differential distributions. A particular emphasis is put on the newly computed $O(\alpha_s2 \alpha5)$ corrections.