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We studied the dimension-6 leptonic anomalous gauge couplings in the formulation of linearly realized gauge symmetry effective Lagrangian and investigated the constraints on these anomalous couplings from the existed experimental data…

High Energy Physics - Phenomenology · Physics 2015-05-28 Sheng-Zhi Zhao , Bin Zhang

This paper presents a study of $WW\gamma$ and $WZ\gamma$ triboson production using events from proton--proton collisions at a centre-of-mass energy of $\sqrt{s} = 8$ TeV recorded with the ATLAS detector at the LHC and corresponding to an…

High Energy Physics - Experiment · Physics 2017-10-02 ATLAS Collaboration

We study the potential of the next-generation $e^+ e^-$ linear colliders with longitudinally polarized beams, to restrict the values of the anomalous trilinear couplings $WW\gamma$ and $WWZ$ from the measurement of the process $e^+ e^-\to…

High Energy Physics - Phenomenology · Physics 2009-09-25 A. A. Likhoded , A. A. Pankov , N. Paver , M. V. Shevlyagin , O. P. Yushchenko

A study is presented of anomalous HVV interactions of the Higgs boson, including its $CP$ properties. The study uses Higgs boson candidates produced mainly in vector boson fusion and gluon fusion that subsequently decay to a pair of $\tau$…

High Energy Physics - Experiment · Physics 2019-12-11 CMS Collaboration

In its second phase, LEP has allowed to study four fermion processes never observed before. Results are presented on the charged triple gauge boson couplings (TGC) from the W-pair, Single W and Single gamma production. The anomalous quartic…

High Energy Physics - Experiment · Physics 2017-08-23 D. Fayolle

We present NLO QCD results for Higgs boson production in association with one jet, including anomalous Higgs-top and effective Higgs-gluon couplings within non-linear Effective Field Theory (HEFT), as well as the full top quark mass…

High Energy Physics - Phenomenology · Physics 2025-04-25 Benjamin Campillo Aveleira , Gudrun Heinrich , Matthias Kerner , Lucas Kunz

In this paper, the potentials of two different processes $e^{+}e^{-}\rightarrow W^{-} W^{+}\gamma$ and $e^{+}e^{-} \rightarrow e^{+}\gamma^{*} e^{-} \rightarrow e^{+} W^{-} Z \nu_{e}$ at the Compact Linear Collider (CLIC) are examined to…

High Energy Physics - Phenomenology · Physics 2015-07-06 M. Köksal , A. Senol

Gauge anomalous quantum field theories are inconsistent as full UV theories since they lead to the breaking of Lorentz invariance or Unitarity, as well as non-renormalizability. It is well known, however, that they can be interpreted as…

High Energy Physics - Phenomenology · Physics 2025-06-18 Anibal D. Medina , Nicolás I. Mileo , Alejandro Szynkman , Santiago A. Tanco , Carlos E. M. Wagner , Gabriel Zapata

All lowest-order amplitudes for e+e- --> 4f+gamma are calculated including five anomalous quartic gauge-boson couplings that are allowed by electromagnetic gauge invariance and the custodial SU(2)_c symmetry. Three of these anomalous…

High Energy Physics - Phenomenology · Physics 2009-01-07 A. Denner , S. Dittmaier , M. Roth , D. Wackeroth

A measurement of the W boson pair production cross section in proton-proton collisions at sqrt(s) = 8 TeV is presented. The data collected with the CMS detector at the LHC correspond to an integrated luminosity of 19.4 inverse femtobarns.…

High Energy Physics - Experiment · Physics 2016-08-17 CMS Collaboration

The dependence of the differential cross-section for on-shell W-pair production on the anomalous trilinear gauge couplings invariant under C and P is examined. It is shown that the contributions of the anomalous magnetic moments of the W…

High Energy Physics - Phenomenology · Physics 2009-10-31 Joannis Papavassiliou , Kostas Philippides

In the framework of effective Lagrangians with the SU(2)_L x U(1)_Y symmetry linearly realized, modifications of the couplings of the Higgs field to the electroweak gauge bosons are related to anomalous triple gauge couplings (TGCs). Here,…

High Energy Physics - Phenomenology · Physics 2013-11-15 Tyler Corbett , O. J. P. Eboli , J. Gonzalez-Fraile , M. C. Gonzalez-Garcia

We present an overview of measurements of electroweak vector boson pair production and anomalous Triple Gauge Couplings (aTGC), with semileptonic and fully leptonic final states. The data analyzed were taken at center of mass energy of 7 &…

High Energy Physics - Experiment · Physics 2014-09-12 Ajay Kumar

Certain anomalous fermion-gauge boson couplings, such as the flavor diagonal anomalous color magnetic (CMDM) and color electric (CEDM) dipole moments of quarks are not fully gauge invariant under the SM. Restoring gauge invariance with an…

High Energy Physics - Phenomenology · Physics 2015-07-10 Alper Hayreter , German Valencia

Anomalous couplings of the Higgs boson are searched for through the processes e^+ e^- -> H gamma, e^+ e^- -> e^+ e^- H and e^+ e^- -> HZ. The mass range 70 GeV < m_H < 190 GeV is explored using 602 pb^-1 of integrated luminosity collected…

High Energy Physics - Experiment · Physics 2012-08-27 L3 Collaboration

The associated production of Higgs and $W$ bosons via vector-boson fusion (VBF) is highly sensitive to the relative sign of the Higgs boson couplings to $W$ and $Z$ bosons. In this Letter, two searches for this process are presented, using…

High Energy Physics - Experiment · Physics 2024-10-07 ATLAS Collaboration

We examine trilinear and quartic anomalous gauge couplings (AGCs) generated in composite Higgs models and models with warped extra dimensions. We first revisit the SU(2)_L x U(1)_Y effective Lagrangian and derive the charged and two-photon…

High Energy Physics - Phenomenology · Physics 2015-06-18 Sylvain Fichet , Gero von Gersdorff

We discuss the direct measurement of the trilinear vector boson couplings in present and future collider experiments. The major goals of such experiments will be the confirmation of the Standard Model (SM) predictions and the search for…

High Energy Physics - Phenomenology · Physics 2016-11-03 H. Aihara , T. Barklow , U. Baur , J. Busenitz , S. Errede , T. A. Fuess , T. Han , D. London , J. Ohnemus , R. Szalapski , C. Wendt , D. Zeppenfeld

Measurements of electroweak gauge-boson pair-production in sqrt(s) = 7 and 8 TeV pp collisions at the LHC probe self-couplings and interference effects to an accuracy of O(10%) or better. ATLAS measurements of ZZ and WZ production at both…

High Energy Physics - Experiment · Physics 2019-08-13 Christopher Hays

We present a model-independent method for determining anomalous gauge boson couplings from ongoing and future e^{+}e^{-} -> W^{+} W^{-} experiments. First we generalize an already existing method, which relies on the study of four…

High Energy Physics - Phenomenology · Physics 2011-03-23 Joannis Papavassiliou , Kostas Philippides
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