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Related papers: Bounds on SMEFT affecting multi gauge and Higgs-ga…

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The first observation of the electroweak (EW) production of a Z boson, a photon, and two forward jets (Z$\gamma$jj) in proton-proton collisions at a center-of-mass energy of 13 TeV is presented. A data set corresponding to an integrated…

High Energy Physics - Experiment · Physics 2021-10-13 CMS Collaboration

Multi-Higgs boson interactions with massive gauge bosons are known to be tell-tale probes of the vacuum manifold of electroweak symmetry breaking. Phenomenologically, a precise determination of these parameters is hampered through…

High Energy Physics - Phenomenology · Physics 2025-03-25 Anisha , Daniel Domenech , Christoph Englert , Maria J. Herrero , Roberto A. Morales

This paper presents measurements of $W^\pm Z$ production in $pp$ collisions at a center-of-mass energy of 8 TeV. The gauge bosons are reconstructed using their leptonic decay modes into electrons and muons. The data were collected in 2012…

High Energy Physics - Experiment · Physics 2016-05-18 ATLAS Collaboration

We study the constraints on the vertices $W^+W^- Z\gamma$, $W^+W^-\gamma\gamma$, and $ZZ\gamma\gamma$ that can be obtained from triple-gauge-boson production at the next generation of linear $e^+e^-$ colliders operating in the…

High Energy Physics - Phenomenology · Physics 2009-10-28 O. J. P. Eboli , M. B. Magro , P. G. Mercadante , S. F. Novaes

In this work we explore the phenomenological implications at future $e^+e^-$ colliders of assuming anomalous couplings of the Higgs boson to gauge bosons $HVV$ and $HHVV$ ($V=W,Z$) given by the $\kappa$-modifiers with respect to the…

High Energy Physics - Phenomenology · Physics 2024-05-22 J. M. Dávila , D. Domenech , M. J. Herrero , R. A. Morales

We study the $W/Z$ pair production via two-photon exchange at the LHC and give the sensitivities on trilinear and quartic gauge anomalous couplings between photons and $W/Z$ bosons for an integrated luminosity of 30 and 200 fb$^{-1}$. For…

High Energy Physics - Phenomenology · Physics 2011-08-11 Christophe Royon , Emilien Chapon , Oldrich Kepka

This review covers results on the production of all possible electroweak boson pairs and 2-to-1 vector boson fusion at the CERN Large Hadron Collider (LHC) in proton-proton collisions at a center of mass energy of 7 and 8 TeV. The data were…

High Energy Physics - Experiment · Physics 2017-09-22 Daniel R. Green , Patrick Meade , Marc-Andre Pleier

We study the anomalous $WW\gamma$ couplings at the Compact Linear Collider through the processes $e^{+}e^{-}\to W^+W^-$, $e^{-}e^{+} \to e^{-} \gamma^{*} e^{+} \to e^{+} \nu_{e} W^-$ and $e^{-}e^{+}\to e^{-} \gamma^{*} \gamma^{*} e^{+} \to…

High Energy Physics - Phenomenology · Physics 2016-03-18 V. Arı , A. A. Billur , S. C. İnan , M. Köksal

The muon collider provides a unique opportunity to study the vector boson scattering processes and dimension-8 operators contributing to anomalous quartic gauge couplings~(aQGCs). Because of the cleaner final state, it is easier to decode…

High Energy Physics - Phenomenology · Physics 2023-10-23 Ji-Chong Yang , Xue-Ying Han , Zhi-Bin Qin , Tong Li , Yu-Chen Guo

We study the anomalous $t\bar{t}Z$ couplings in the $t\bar{t}Z$ production in leptonic final state at the $13$ TeV LHC. We use the polarizations of top quarks and $Z$ boson, two-body and three-body spin correlations among the top quarks and…

High Energy Physics - Phenomenology · Physics 2023-03-22 Rafiqul Rahaman

We study the anomalous $ZZ\gamma$ and $Z\gamma\gamma$ couplings that can be probed via $Z\gamma$ production at the $e^+ \, e^-$ colliders. We take Standard Model Effective Field Theory (SMEFT) approach to examine these anomalous neutral…

High Energy Physics - Phenomenology · Physics 2023-05-10 Sahabub Jahedi , Jayita Lahiri

We obtain limits on the anomalous coupling $HZ\gamma$ through data published by the L3 Collaboration on the process $e^+e^-\to \tau^+\tau^- \gamma$. Our analysis leads to bounds on this coupling of order $10^{-2}$, for an intermediate mass…

High Energy Physics - Phenomenology · Physics 2011-07-26 A. Gutierrez-Rodriguez , J. Montano , M. A. Perez

Limits are set on anomalous WWgamma and WWZ trilinear gauge couplings using W+W- -> e+e-, W+W- -> e mu, and W+W- -> mu+mu- events. The data set was collected by the Run II D0 detector at the Fermilab Tevatron Collider and corresponds to…

High Energy Physics - Experiment · Physics 2014-11-17 D0 Collaboration , V. Abazov

If no light Higgs boson exists, the interaction among the gauge bosons becomes strong at high energies (~1TeV). The effects of strong electroweak symmetry breaking (SEWSB) could manifest themselves indirectly as anomalous couplings before…

High Energy Physics - Experiment · Physics 2011-09-13 K. Moenig , J. Sekaric

Limits on the anomalous WWgamma and WWZ couplings are presented from a simultaneous fit to the data samples of three gauge boson pair final states in pbar-p collisions at sqrt(s)=1.8 TeV: Wgamma production with the W boson decaying to enu…

High Energy Physics - Experiment · Physics 2008-11-26 D0 Collaboration , B. Abbott , M. Abolins

We derive bounds on Higgs and gauge--boson anomalous interactions using the LEP2 data on the production of three photons and photon pairs in association with hadrons. In the framework of $SU(2)_L \otimes U(1)_Y$ effective Lagrangians, we…

High Energy Physics - Phenomenology · Physics 2009-10-31 O. J. P. Eboli , M. C. Gonzalez-Garcia , S. M. Lietti , S. F. Novaes

A study of anomalous couplings of the Higgs boson to vector bosons and fermions is presented. The data were recorded by the CMS experiment at a center-of-mass energy of pp collisions at the LHC of 13 TeV and correspond to an integrated…

High Energy Physics - Experiment · Physics 2023-08-21 CMS Collaboration

The study of the anomalous non-resonant $HH$ production is presented from the point of view of effective field theory (EFT) parameterization. The searches for $pp \rightarrow HH \rightarrow \gamma \gamma WW$, $pp \rightarrow HH \rightarrow…

High Energy Physics - Phenomenology · Physics 2020-01-08 Petr Mandrik

A search for anomalous pseudoscalar couplings of the Higgs boson H to electroweak vector bosons V (= W or Z) in a sample of proton-proton collision events corresponding to an integrated luminosity of 18.9 inverse femtobarns at a…

High Energy Physics - Experiment · Physics 2016-08-04 CMS Collaboration

We consider the production of a single top quark in association with a Higgs boson at the LHC. In particular, we compute the cross sections for the processes $ p p \to t h j$, $t h b$, $t h W$, $t h j j$, $t h j b$, $t h W j$, $t h W b$ in…

High Energy Physics - Phenomenology · Physics 2013-12-20 Pankaj Agrawal , Subhadip Mitra , Ambresh Shivaji