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Related papers: QCD Corrections in SMEFT Fits to $WZ$ and $WW$ Pro…

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We study the impact of anomalous gauge boson and fermion couplings on the production of $W^+W^-$ pairs at the LHC. Helicity amplitudes are presented separately to demonstrate the sources of new physics contributions and the impact of QCD…

High Energy Physics - Phenomenology · Physics 2017-10-18 Julien Baglio , Sally Dawson , Ian M. Lewis

We study the impact of anomalous gauge boson and fermion couplings on the production of $W^+W^-$ pairs at potential future LHC upgrades and estimate the sensitivity at $\sqrt{S}=14$ TeV with $3~ab^{-1}$ and $\sqrt{S}=27$ TeV with…

High Energy Physics - Phenomenology · Physics 2019-02-22 Julien Baglio , Sally Dawson , Ian M. Lewis

The production of $W^{\pm}H$, $ZH$, $W^+W^-$, and $W^\pm Z$ pairs probes non-Standard-Model interactions of quarks, gauge bosons, and the Higgs boson. New effects can be parameterized in terms of an effective field theory (EFT) where the…

High Energy Physics - Phenomenology · Physics 2020-08-31 Julien Baglio , Sally Dawson , Samuel Homiller , Samuel D. Lane , Ian M. Lewis

We present a calculation of the NLO QCD corrections for Higgs-boson pair production in gluon fusion including effects of anomalous couplings within Standard Model Effective Field Theory (SMEFT). We study effects of different truncation…

High Energy Physics - Phenomenology · Physics 2023-10-30 Gudrun Heinrich , Jannis Lang , Ludovic Scyboz

We study the impact of $q \bar q' W$ and $q \bar q' WH$ interactions, originating from dimension-six operators of the Standard Model Effective Field Theory (SMEFT), on the Higgs boson associated production $pp \to W^+H$ at the LHC. We…

High Energy Physics - Phenomenology · Physics 2025-02-19 Marco Bonetti , Robert V. Harlander , Dmitrii Korneev , Ming-Ming Long , Kirill Melnikov , Raoul Röntsch , Davide Maria Tagliabue

Precision tests of the Standard Model (SM) require not only accurate experiments, but also precise and reliable theoretical predictions. Triple vector boson production provides a unique opportunity to investigate the quartic gauge couplings…

High Energy Physics - Phenomenology · Physics 2016-11-08 Shen Yong-Bai , Zhang Ren-You , Ma Wen-Gan , Li Xiao-Zhou , Zhang Yu , Guo Lei

We compute the one-loop corrections to $Z$ decay properties from dimension-6 operators in the Standard Model Effective Field Theory (SMEFT) that contribute also to anomalous 3-gauge boson couplings and examine the relative sensitivity of…

High Energy Physics - Phenomenology · Physics 2018-11-14 Sally Dawson , Ahmed Ismail

We discuss the impact of many previously neglected effects of higher dimensional operators when fitting to Electroweak Precision data (EWPD) in the Standard Model Effective Field Theory (SMEFT). We calculate the general case of $2…

High Energy Physics - Phenomenology · Physics 2017-07-18 Laure Berthier , Michael Trott

We present the NLO (two-loop) QCD corrections to Higgs boson pair production in gluon fusion within Standard Model Effective Theory (SMEFT), including also squared dimension-6 operators and double insertions of operators. The different…

High Energy Physics - Phenomenology · Physics 2022-07-19 Gudrun Heinrich , Jannis Lang , Ludovic Scyboz

We perform for the first time a full study of spin correlations in inclusive WZ production at the LHC with leptonic decays in the presence of NLO QCD corrections and of effects from a dimension-six operator in the SMEFT modifying the…

High Energy Physics - Phenomenology · Physics 2026-01-15 Giovanni Pelliccioli , Emanuele Re

We discuss the combination of NLO QCD corrections with operators of canonical dimension six within Standard Model Effective Field Theory (SMEFT), as well as within non-linear Effective Field Theory (HEFT) for Higgs-boson pair production in…

High Energy Physics - Phenomenology · Physics 2023-11-06 Gudrun Heinrich , Jannis Lang , Ludovic Scyboz

We investigate the impact of electroweak corrections and effective field theory operators on $W^+W^-$ production at the Large Hadron Collider (LHC). Utilizing the Standard Model effective-field theory (SMEFT) framework, we extend the…

High Energy Physics - Phenomenology · Physics 2025-02-03 Shankha Banerjee , Daniel Reichelt , Michael Spannowsky

CP-violation (CPV) is a rare phenomenon in the Standard Model whilst there is compelling indirect evidence for additional CPV sources in the Universe. The search for CPV effects at the LHC is thus one of the best-motivated precision tests…

High Energy Physics - Phenomenology · Physics 2024-09-04 Alejo N. Rossia , Eleni Vryonidou

We discuss the impact of anomalous WW$\gamma$ and WWZ couplings on WZ+jet production at next-to-leading order QCD, including full leptonic decays of the electroweak gauge bosons. While the inclusive hadronic cross sections do not exhibit…

High Energy Physics - Phenomenology · Physics 2014-11-21 Francisco Campanario , Christoph Englert , Michael Spannowsky

Top quark pair production in association with a $Z$-boson or a photon at the LHC directly probes neutral top-quark couplings. We present predictions for these two processes in the Standard Model (SM) Effective Field Theory (EFT) at…

High Energy Physics - Phenomenology · Physics 2016-02-01 Olga Bessidskaia Bylund , Fabio Maltoni , Ioannis Tsinikos , Eleni Vryonidou , Cen Zhang

We have analysed the production of WW and WZ vector-boson pairs at the LHC. These processes give rise to four-fermion final states, and are particularly sensitive to possible non-standard trilinear gauge-boson couplings. We have studied the…

High Energy Physics - Phenomenology · Physics 2008-11-26 E. Accomando , A. Kaiser

Diboson production is of prime interest at the LHC particularly due to its sensitivity to the gauge-boson self interaction, allowing to test its Standard Model prediction with high precision and to search for possible deviations with…

High Energy Physics - Phenomenology · Physics 2018-07-27 Mauro Chiesa , Ansgar Denner , Jean-Nicolas Lang

We present results for Higgs boson pair production in gluon fusion at next-to-leading order in QCD, including effects of anomalous couplings within Standard Model Effective Field Theory (SMEFT). In particular, we investigate truncation…

High Energy Physics - Phenomenology · Physics 2023-03-01 Gudrun Heinrich , Jannis Lang

We study single-top production in association with a $W$ boson at the Large Hadron Collider (LHC) as a probe of dimension-6 Standard Model effective field theory (SMEFT) at leading order, next-to-leading order, and approximate…

High Energy Physics - Phenomenology · Physics 2026-05-07 Nikolaos Kidonakis , Kaan Şimşek

We compute the NLO QCD corrections to the pair production of W-bosons in association with two jets at the Tevatron and the LHC. This process is an important background to heavy Higgs-boson production in association with two jets, either in…

High Energy Physics - Phenomenology · Physics 2015-03-19 Tom Melia , Kirill Melnikov , Raoul Rontsch , Giulia Zanderighi
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