Radiative corrections to the Drell-Yan process at large dilepton invariant masses

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Abstract
Electroweak radiative corrections to the neutral-current Drell-Yan process at large dilepton invariant masses are calculated. Asymptotic expressions are obtained for diagrams involving two-boson exchange, which represent one of the most significant contributions to the reaction being studied. The contributions of vertex diagrams and “soft” bremsstrahlung are also taken into account. A numerical analysis of electroweak effects with allowance for experimental constraints at the CMS facility is given. The result obtained from this analysis makes it possible to ensure a high precision in the region of high energies; therefore, it is applicable to future experiments at LHC.