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Related papers: Effective Field Theory for Higgs Plus Jet Producti…

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Higgs production in association with three jets via gluon fusion (GF) is an important channel for the measurement of the CP-properties of the Higgs particle at the LHC. In this letter, we go beyond the heavy top effective theory…

High Energy Physics - Phenomenology · Physics 2013-10-02 Francisco Campanario , Michael Kubocz

We investigate single Higgs and Higgs pair production at the LHC in models of Universal Extra Dimensions. After calculating the relevant cross sections, we use the UED model as a testing ground for the Effective Field Theory approach to…

High Energy Physics - Phenomenology · Physics 2015-11-23 Lisa Edelhaeuser , Alexander Knochel , Thomas Steeger

We propose a parametrization of anomalous Higgs-boson couplings that is both systematic and practical. It is based on the electroweak chiral Lagrangian, including a light Higgs boson, as the effective field theory (EFT) at the electroweak…

High Energy Physics - Phenomenology · Physics 2015-09-30 G. Buchalla , O. Cata , A. Celis , C. Krause

Assuming the presence of physics beyond the Standard Model (SM) with a characteristic scale M ~ O(10) TeV, we investigate the naturalness of the Higgs sector at scales below M using an effective field theory (EFT) approach. We obtain the…

High Energy Physics - Phenomenology · Physics 2015-03-05 Shaouly Bar-Shalom , Amarjit Soni , Jose Wudka

We study constraints on new physics from Higgs production at the LHC in the context of an effective field theory (EFT), focusing on Higgs searches in $HV$ ($V=W,Z$) associated production which are particularly sensitive to the high-energy…

High Energy Physics - Phenomenology · Physics 2015-04-01 Anke Biekoetter , Alexander Knochel , Michael Kraemer , Da Liu , Francesco Riva

We consider the Higgs sector in extensions of the Minimal Supersymmetric Standard Model by higher-dimension operators in the superpotential and the K\"ahler potential, in the context of Higgs searches at the LHC 7 TeV run. Such an effective…

High Energy Physics - Phenomenology · Physics 2013-05-30 Marcela Carena , Eduardo Ponton , Jose Zurita

In this work we study the production of two Higgs bosons at the two planned electron positron colliders with energies at the TeV domain, CLIC and ILC, within the context of Effective Field Theories (EFTs) to describe beyond the Standard…

High Energy Physics - Phenomenology · Physics 2023-01-04 D. Domenech , M. J. Herrero , R. A. Morales , M. Ramos

The Higgs self-couplings remain only weakly constrained by current Large Hadron Collider (LHC) measurements, leaving ample room for physics beyond the Standard Model that could modify the structure of the Higgs potential. Multi-Higgs…

We discuss the Standard Model Effective Field Theory (SM-EFT) contributions to neutral- and charge-current Drell-Yan production, associated production of the Higgs and a vector boson, and Higgs boson production via vector boson fusion. We…

High Energy Physics - Phenomenology · Physics 2018-09-26 Simone Alioli , Wouter Dekens , Michael Girard , Emanuele Mereghetti

Higgs boson production in association with a photon ($H$+$\gamma$) offers a promising channel to test the Higgs boson to photon coupling at various energy scales. Its potential sensitivity to anomalous couplings of the Higgs boson has not…

High Energy Physics - Phenomenology · Physics 2019-03-19 Liaoshan Shi , Zhijun Liang , Bo Liu , Zhenhui He

We perform the combined analysis of the double Higgs production via gluon fusion in the $b\bar{b} \gamma\gamma$ and $b\bar{b}\tau^+\tau^-$ decay channels at the High-Luminosity LHC (HL-LHC). To validate our analysis, we reproduce the ATLAS…

High Energy Physics - Phenomenology · Physics 2018-07-18 Jeong Han Kim , Yasuhito Sakaki , Minho Son

The Higgs boson is produced at the LHC through gluon fusion at roughly the Standard Model rate. New colored fermions, which can contribute to $gg\rightarrow h$, must have vector-like interactions in order not to be in conflict with the…

High Energy Physics - Phenomenology · Physics 2014-11-06 Chien-Yi Chen , S. Dawson , I. M. Lewis

The Standard Model effective field theory (SMEFT) is the tool of choice for studying deviations of Higgs couplings from the Standard Model predictions. The SMEFT is an expansion in an infinite tower of higher dimension operators, which is…

High Energy Physics - Phenomenology · Physics 2023-05-12 Sally Dawson , Duarte Fontes , Samuel Homiller , Matthew Sullivan

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

We present the next-to-leading order QCD corrections to Higgs boson pair production in vector boson fusion, including the leading operators in the framework of Higgs Effective Field Theory (HEFT). The corresponding calculation is based on…

High Energy Physics - Phenomenology · Physics 2025-07-22 Jens Braun , Pia Bredt , Gudrun Heinrich , Marius Höfer

The first computation of Higgs production in association with three jets at NLO in QCD has recently been performed using the effective theory, where the top quark is treated as an infinitely heavy particle and integrated out. This approach…

High Energy Physics - Phenomenology · Physics 2017-03-08 Nicolas Greiner , Stefan Hoeche , Gionata Luisoni , Marek Schonherr , Jan-Christopher Winter

We present results of precision calculations for di-Higgs production that combine NLO QCD corrections with operators at canonical dimension six within Standard Model Effective Field Theory (SMEFT). We discuss possible options for operator…

High Energy Physics - Phenomenology · Physics 2024-02-02 Jannis Lang

Precision measurements of diboson production at the LHC is an important probe of the limits of the Standard Model. The gluon-fusion channel of this process offers a connection between the Higgs and top sectors. We study in a systematic way…

High Energy Physics - Phenomenology · Physics 2024-11-08 Alejo N. Rossia , Marion O. A. Thomas , Eleni Vryonidou

After the Higgs boson discovery, LHC can be used as a precision machine to explore its properties. Indeed, in case new resonances will not be found, the only access to New Physics would be via measuring small deviations from the SM…

High Energy Physics - Phenomenology · Physics 2017-05-16 Massimiliano Grazzini , Agnieszka Ilnicka , 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