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Large Electroweak Corrections to Vector-Boson Scattering at the Large Hadron Collider
Benedikt Biedermann1, Ansgar Denner1, Mathieu Pellen1
1Universität Würzburg, Institut für Theoretische Physik und Astrophysik, D-97074 Würzburg, Germany.
Abstract:
For the first time full next-to-leading-order electroweak corrections to off-shell vector-boson scattering are presented. The computation features the complete matrix elements, including all nonresonant and off-shell contributions, to the electroweak process pp→μ^{+}ν_{μ}e^{+}ν_{e}jj and is fully differential. We find surprisingly large corrections, reaching -16% for the fiducial cross section, as an intrinsic feature of the vector-boson-scattering processes. We elucidate the origin of these large electroweak corrections upon using the double-pole approximation and the effective vector-boson approximation along with leading-logarithmic corrections.
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