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We present results for unpolarized and polarized semi-inclusive deep-inelastic scattering mediated by electroweak gauge bosons at next-to-next-to-leading order (NNLO) in perturbative quantum chromodynamics. The results include all relevant…

High Energy Physics - Phenomenology · Physics 2026-04-01 Saurav Goyal , Sven-Olaf Moch , Vaibhav Pathak , V. Ravindran

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…

High Energy Physics - Phenomenology · Physics 2021-11-17 Ansgar Denner , Robert Franken , Mathieu Pellen , Timo Schmidt

Four-fermion processes with a particle lost in the beam pipe are studied at LEP to perform precision tests of the electroweak theory. Leading higher-order QED corrections to such processes are analyzed within the framework of the Structure…

High Energy Physics - Phenomenology · Physics 2009-01-07 G. Montagna , M. Moretti , O. Nicrosini , A. Pallavicini , F. Piccinini

We present a complete calculation of the next-to-next-to-leading (NNLO) electroweak corrections involving closed fermion loops to the $e^+ e^- \to ZH$ process. This has been achieved by using a semi-numerical technique for the two-loop…

High Energy Physics - Phenomenology · Physics 2023-02-01 Ayres Freitas , Qian Song

The $O(\alpha)$ leptonic QED corrections to neutral current polarized deep inelastic lepton-nucleon scattering are calculated in leptonic variables both for the case of longitudinal and transverse nucleon polarization. The results of the…

High Energy Physics - Phenomenology · Physics 2009-10-30 D. Bardin , J. Blümlein , P. Christova , L. Kalinovskaya

We compute the next-to-leading order QCD and electroweak corrections to $Z$ and $W$ pole observables using the dimension-6 Standard Model effective field theory and present numerical results that can easily be included in global fitting…

High Energy Physics - Phenomenology · Physics 2022-09-28 Sally Dawson , Pier Paolo Giardino

We consider the production of a pair of $Z$ bosons at the LHC and study the inclusion of EW corrections in theoretical predictions at fixed order and based on multijet-merged parton-shower simulations. To this end we present exact NLO EW…

High Energy Physics - Phenomenology · Physics 2022-06-29 Enrico Bothmann , Davide Napoletano , Marek Schönherr , Steffen Schumann , Simon Luca Villani

For the envisioned high precision measurement of the W boson mass at the Tevatron and LHC it is crucial that the theoretical predictions for the W and Z production processes are under control. We briefly summarize the status of the…

High Energy Physics - Phenomenology · Physics 2009-10-31 U. Baur , D. Wackeroth

The choice of an electroweak (EW) input scheme is an important component of perturbative calculations in Standard Model Effective Field Theory (SMEFT). In this paper we perform a systematic study of three different EW input schemes in…

High Energy Physics - Phenomenology · Physics 2023-08-02 Anke Biekötter , Benjamin D. Pecjak , Darren J. Scott , Tommy Smith

We compute two-loop electroweak corrections to Higgs boson pair and Higgs plus jet production, taking into account all sectors of the Standard Model. All diagrams with virtual top quarks are computed in an expansion for large top quark mass…

High Energy Physics - Phenomenology · Physics 2023-10-10 Joshua Davies , Kay Schönwald , Matthias Steinhauser , Hantian Zhang

Due to the inclination for forward gauge radiation, lepton colliders beyond a few TeV are effectively electroweak (EW) boson colliders, suggesting the treatment of EW bosons as constituents of high-energy leptons. In the context of a muon…

High Energy Physics - Phenomenology · Physics 2022-06-27 Richard Ruiz , Antonio Costantini , Fabio Maltoni , Olivier Mattelaer

We calculate the O(alpha) electroweak corrections to charged- and neutral-current deep-inelastic neutrino scattering off an isoscalar target. The full one-loop-corrected cross sections, including hard photonic corrections, are evaluated and…

High Energy Physics - Phenomenology · Physics 2009-11-10 K. -P. O. Diener , S. Dittmaier , W. Hollik

Inspired by the recent observation of the Higgs boson radiative decay into $Z^0$ by {\tt ATLAS} and {\tt CMS} Collaborations, we investigate the next-to-leading-order (NLO) electroweak correction to this rare decay process in Standard Model…

High Energy Physics - Phenomenology · Physics 2024-09-23 Wen-Long Sang , Feng Feng , Yu Jia

We present a new calculation of next-to-leading-order corrections of the strong and electroweak interactions to like-sign W-boson scattering at the Large Hadron Collider, implemented in the Monte Carlo integrator Bonsay. The calculation…

High Energy Physics - Phenomenology · Physics 2023-11-17 Stefan Dittmaier , Philipp Maierhöfer , Christopher Schwan , Ramon Winterhalder

We present the first computation of the full next-to-leading-order QCD and electroweak corrections to the WZ scattering process at the LHC. All off-shell, gauge-boson-decay, and interference effects are taken into account for the process…

High Energy Physics - Phenomenology · Physics 2019-07-24 Ansgar Denner , Stefan Dittmaier , Philipp Maierhöfer , Mathieu Pellen , Christopher Schwan

The precision measurement of the mass of the $W$ boson is an important goal of the Fermilab Tevatron and the CERN Large Hadron Collider (LHC). It requires accurate theoretical calculations which incorporate both higher-order QCD and…

High Energy Physics - Phenomenology · Physics 2013-05-30 C. Bernaciak , D. Wackeroth

We present the complete analytical result for the two-loop logarithmically enhanced contributions to the high energy asymptotic behavior of the vector form factor and the four-fermion cross section in a spontaneously broken SU(2) gauge…

High Energy Physics - Phenomenology · Physics 2010-11-05 Bernd Jantzen , Johann H. Kühn , Alexander A. Penin , Vladimir A. Smirnov

Single-jet production with missing transverse momentum is one of the most promising discovery channels for new physics at the LHC. In the Standard Model, Z + jet production with a Z-boson decay into neutrinos leads to this monojet…

High Energy Physics - Phenomenology · Physics 2015-06-12 Ansgar Denner , Stefan Dittmaier , Tobias Kasprzik , Alexander Mück

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

Providing accurate theoretical predictions in the Standard Model for processes with polarised electroweak bosons is crucial to understand more in-depth the electroweak-symmetry breaking mechanism and to enhance the sensitivity to potential…