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We present a calculation of the next-to-leading-order QCD and electroweak corrections to WWW production with leptonically decaying $\mathrm{W}$ bosons at the LHC, fully taking into account off-shell contributions, intermediary resonances,…

High Energy Physics - Phenomenology · Physics 2020-03-18 Stefan Dittmaier , Gernot Knippen , Christopher Schwan

We present the first complete calculation of mixed QCD-electroweak corrections to the production of on-shell $Z$ bosons in hadron collisions and their decays to massless charged leptons. Our computation is fully differential with respect to…

High Energy Physics - Phenomenology · Physics 2020-12-02 Federico Buccioni , Fabrizio Caola , Maximilian Delto , Matthieu Jaquier , Kirill Melnikov , Raoul Röntsch

An estimate is presented of the leading radiative corrections to low energy electroweak precision measurements from strong nonresonant WW scattering at the TeV energy scale. The estimate is based on a novel representation of nonresonant…

High Energy Physics - Phenomenology · Physics 2009-10-31 Michael S. Chanowitz

Measurements of electroweak precision observables at future electron-positron colliders, such as the CEPC, FCC-ee, and ILC, will be sensitive to physics at multi-TeV scales. To achieve this sensitivity, precise predictions for the Standard…

High Energy Physics - Phenomenology · Physics 2021-04-07 Lisong Chen , Ayres Freitas

We compute the O(alpha_s) QCD corrections to charged triple vector boson production at a hadron collider, i.e. the processes pp -> ZZW + X and pp -> WWW + X. Intermediate Higgs boson exchange effects, spin correlations from leptonic vector…

High Energy Physics - Phenomenology · Physics 2009-02-23 F. Campanario , V. Hankele , C. Oleari , S. Prestel , D. Zeppenfeld

Higgs boson production via weak boson fusion is sensitive to the tensor structure of the HVV (V=W,Z) couplings, which distinguishes loop induced vertices from SM expectations. At the CERN Large Hadron Collider this information shows up most…

High Energy Physics - Phenomenology · Physics 2009-11-10 Terrance Figy , Dieter Zeppenfeld

The electroweak sphaleron rate in the high temperature phase of the Standard Model is inversely proportional to the weak-isospin conductivity. So far, only electroweak interactions were included in its computation. Here we take into account…

High Energy Physics - Phenomenology · Physics 2026-03-20 Dietrich Bödeker , Philipp Klose

We present a detailed theoretical analysis of very rare, exclusive hadronic decays of the electroweak gauge bosons V=W, Z from first principles of QCD. Our main focus is on the radiative decays V->M+gamma, in which M is a pseudoscalar or…

High Energy Physics - Phenomenology · Physics 2015-05-18 Yuval Grossman , Matthias König , Matthias Neubert

We compute the dominant logarithmically enhanced two-loop electroweak corrections to the electron-positron scattering differential cross section in the high energy limit for large scattering angles. Depending on the scattering angle and…

High Energy Physics - Phenomenology · Physics 2011-12-12 A. A. Penin , G. Ryan

Triple-W-boson production in proton-proton collisions allows for a direct access to the triple and quartic gauge couplings and provides a window to the mechanism of electroweak symmetry breaking. It is an important process to test the…

High Energy Physics - Phenomenology · Physics 2017-09-20 Stefan Dittmaier , Alexander Huss , Gernot Knippen

We present the first calculation of next-to-leading order QCD corrections to QCD-induced ZZ production in association with two jets at hadron colliders. Both Z bosons decay leptonically with all off-shell effects, virtual photon…

High Energy Physics - Phenomenology · Physics 2015-07-15 Francisco Campanario , Matthias Kerner , Le Duc Ninh , Dieter Zeppenfeld

We present the results of the first calculation of the logarithmic corrections to the QCD contribution to same-sign $W$-pair production, $pp\to e^\pm \nu_e \mu^\pm \nu_\mu jj$, for same-sign charged leptons. This includes all leading…

High Energy Physics - Phenomenology · Physics 2022-05-19 Jeppe R. Andersen , Bertrand Ducloué , Conor Elrick , Andreas Maier , Graeme Nail , Jennifer M. Smillie

Higgs boson pair production in the massless quark-antiquark channel proceeds at leading order (LO) via electroweak boson loops. We calculate the next-to-leading order QCD corrections to this process. For the corresponding two-loop…

High Energy Physics - Phenomenology · Physics 2026-01-26 Marco Bonetti , Gudrun Heinrich , Philipp Rendler , William J. Torres Bobadilla

Tree-level scattering amplitudes of longitudinally polarized electroweak vector bosons in the Standard Model are calculated using Mathematica package Feyncalc. The modifications of low-energy theorems for longitudinally polarized W and Z in…

High Energy Physics - Phenomenology · Physics 2007-05-23 T. Bahnik

In this paper we present the results from a calculation of the full electroweak one-loop corrections for $\gamma Z$ vector-boson pair production at hadron colliders. The cases of proton--antiproton as well as proton--proton collisions, at…

High Energy Physics - Phenomenology · Physics 2010-04-05 W. Hollik , C. Meier

The production of several vector bosons in $\gamma\gamma$-interactions is the best place to search directly for any anomalous behavior of triple and quartic couplings. A few anomalous quartic boson operators are considered in the paper. A…

High Energy Physics - Phenomenology · Physics 2007-05-23 I. Marfin , V. Mossolov , T. Shishkina

Building on earlier work on electroweak corrections to W-pair production, the first calculation of the full electroweak one-loop corrections to on-shell ZZ, W$^{\pm}$Z and $\gamma\gamma$ production at hadron colliders is presented,…

High Energy Physics - Phenomenology · Physics 2015-06-16 Anastasiya Bierweiler , Tobias Kasprzik , Johann H. Kühn

We consider small--angle electron--positron scattering in Quantum Electrodynamics. Leading logarithmic contributions to the cross--section are explicitly calculated to three loop. Next--to--leading terms are exactly computed to two loop.…

High Energy Physics - Phenomenology · Physics 2009-10-28 A. B. Arbuzov , V. S. Fadin , E. A. Kuraev , L. N. Lipatov , N. P. Merenkov , L. G. Trentadue

Perturbative QCD predicts the behavior of scattering at high energies and fixed (sufficiently large) transferred momenta in terms of the BFKL pomeron (or short distance pomeron). We study the prospects for testing these predictions in…

High Energy Physics - Phenomenology · Physics 2009-09-11 S. J. Brodsky , F. Hautmann , D. E. Soper

We compute next-to-leading order (NLO) QCD corrections to the production of two massive electroweak bosons in gluon fusion. We consider both the prompt production process $gg \to VV$ and the production mediated by an exchange of an…

High Energy Physics - Phenomenology · Physics 2016-08-24 Fabrizio Caola , Matthew Dowling , Kirill Melnikov , Raoul Röntsch , Lorenzo Tancredi