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Related papers: SM EFT effects in Vector-Boson Scattering at the L…

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We present a parton-level study of electro-weak production of vector-boson pairs at the Large Hadron Collider, establishing the sensitivity to a set of dimension-six operators in the Standard Model Effective Field Theory (SMEFT). Different…

Effective field theories (EFT) are commonly used to parameterize effects of BSM physics in vector boson scattering (VBS). For Wilson coefficients which are large enough to produce presently observable effects, the validity range of the EFT…

High Energy Physics - Phenomenology · Physics 2021-08-18 Jannis Lang , Stefan Liebler , Heiko Schäfer-Siebert , Dieter Zeppenfeld

It is possible that measurements of vector boson scattering (VBS) at the LHC will reveal disagreement with Standard Model predictions, but no new particles will be observed directly. The task is then to learn as much as possible about the…

High Energy Physics - Phenomenology · Physics 2018-06-08 Jan Kalinowski , Paweł Kozów , Stefan Pokorski , Janusz Rosiek , Michał Szleper , Sławomir Tkaczyk

Vector boson scatterings are fundamental processes to shed light on the nature of the electroweak symmetry breaking mechanism. Deviations from the Standard Model predictions on the corresponding observables can be interpreted in terms of…

High Energy Physics - Phenomenology · Physics 2019-07-24 P. Kozow , L. Merlo , S. Pokorski , M. Szleper

We discuss the implications of dimension-six operators of the Effective Field Theory (EFT) framework in the study of Vector Boson Scattering (VBS) in the $pp \to Z Z j j $ channel. We show that operators of dimension-six should not be…

High Energy Physics - Phenomenology · Physics 2019-05-22 Raquel Gomez-Ambrosio

We present a systematic interpretation of vector boson scattering (VBS) and diboson measurements from the LHC in the framework of the dimension-six Standard Model Effective Field Theory (SMEFT). We consider all available measurements of VBS…

High Energy Physics - Phenomenology · Physics 2021-07-14 Jacob J. Ethier , Raquel Gomez-Ambrosio , Giacomo Magni , Juan Rojo

We investigate the Beyond Standard Model discovery potential in the framework of the Effective Field Theory (EFT) for the same-sign $WW$ scattering process in purely leptonic $W$ decay modes at the High-Luminosity and High-Energy phases of…

High Energy Physics - Phenomenology · Physics 2020-03-24 Geetanjali Chaudhary , Jan Kalinowski , Manjit Kaur , Paweł Kozów , Kaur Sandeep , Michał Szleper , Sławomir Tkaczyk

In these proceedings we present the latest developments in our effort to include vector boson scattering (VBS) measurements into global SMEFT fits of LHC data. We present some updates to our initial study of arXiv:2101.03180 as well as…

High Energy Physics - Phenomenology · Physics 2021-11-01 Raquel Gomez-Ambrosio , Giacomo Magni

Weak vector boson scattering at high energies will be one of the key measurements in current and upcoming LHC runs. It is most sensitive to any new physics associated with electroweak symmetry breaking. However, a conventional EFT analysis…

High Energy Physics - Phenomenology · Physics 2016-10-14 Marco Sekulla , Wolfgang Kilian , Thorsten Ohl , Jürgen Reuter

The study of Higgs boson production at large transverse momentum is one of the new frontiers for the LHC Higgs physics programme. This paper considers boosted Higgs production in the Standard Model Effective Field Theory (SMEFT). We focus…

High Energy Physics - Phenomenology · Physics 2021-12-08 Marco Battaglia , Massimiliano Grazzini , Michael Spira , Marius Wiesemann

Projecting measurements of the interactions of the known Standard Model (SM) states into an effective field theory (EFT) framework is an important goal of the LHC physics program. The interpretation of measurements of the properties of the…

High Energy Physics - Phenomenology · Physics 2019-02-19 Ilaria Brivio , Michael Trott

With no direct evidence for new physics at the TeV scale, deviations from the Standard Model (SM) can be explored systematically through Effective Field Theories (EFTs) such as the Standard Model EFT (SMEFT). SMEFT extends the SM by…

High Energy Physics - Experiment · Physics 2026-02-04 Dongwon Kim

The Standard Model effective field theory (SMEFT) provides a general framework to include the dynamics of the beyond standard model physics residing at a certain higher energy scale $\Lambda$. We study the top-quark production along with a…

High Energy Physics - Phenomenology · Physics 2022-12-07 Monoranjan Guchait , Arnab Roy

Weak vector boson scattering (VBS) is a sensitive probe of new physics effects in the electroweak symmetry breaking. Currently, experimental results at the LHC are interpreted in the effective field theory approach, where possible…

High Energy Physics - Phenomenology · Physics 2019-12-23 Cen Zhang , Shuang-Yong Zhou

We discuss the validity of the Standard Model Effective Field Theory (SM EFT) as the low-energy effective theory for the two-Higgs-doublet Model (2HDM). Using the up-to-date Higgs signal strength measurements at the LHC, one can obtain a…

High Energy Physics - Phenomenology · Physics 2017-04-05 Hermès Bélusca-Maïto , Adam Falkowski , Duarte Fontes , Jorge C. Romão , João P. Silva

We explore the constraints which can be derived on Wilson coefficients in the Standard Model Effective Field Theory from dilepton production, notably including the constraints on operators which do not lead to cross sections growing with…

High Energy Physics - Phenomenology · Physics 2021-03-31 Alyssa Horne , Jordan Pittman , Marcus Snedeker , William Shepherd , Joel W. Walker

We review the current status of vector boson fusion and vector boson scattering studies in the frame of Run-2 of LHC. These processes are equally interesting and challenging, and new ideas have to be applied for their experimental analysis.…

High Energy Physics - Phenomenology · Physics 2016-10-25 Raquel Gomez-Ambrosio

In these proceedings we present the main results of [arXiv:2311.04280 [hep-ph]], where we explore the phenomenological implications of multi-Higgs boson production through longitudinal vector boson scattering within the framework of…

Insight into the electroweak (EW) and Higgs sectors can be achieved through measurements of vector boson scattering (VBS) processes. The scattering of EW bosons are rare processes that are precisely predicted in the Standard Model (SM) and…

We study Higgs boson production via vector boson fusion at the LHC, focusing on the process $pp \to H + jj$ and capturing the leading energy-enhanced contributions within the Standard Model Effective Field Theory (SMEFT) up to order…

High Energy Physics - Phenomenology · Physics 2025-03-18 Benoît Assi , Adam Martin
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