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The sensitivities to the anomalous quartic gauge boson coupling $\gamma\gamma\gamma Z$ are estimated via $\gamma Z$ production with intact protons in the forward region at the LHC. Proton tagging proves to be a powerful tool to suppress the…

High Energy Physics - Phenomenology · Physics 2017-08-28 Cristian Baldenegro , Sylvain Fichet , Gero von Gersdorff , Christophe Royon

We carry out a study in the approach of a dimension-8 effective field theory on the anomalous quartic $WW\gamma\gamma$ couplings that arise from the process $pp \to W\gamma\gamma$ at the Future Circular Collider-hadron hadron (FCC-hh). The…

High Energy Physics - Phenomenology · Physics 2022-09-07 A. Gutiérrez-Rodríguez , V. Ari , E. Gurkanli , M. Köksal , M. A. Hernández-Ruíz

We describe recent results from CMS and TOTEM on hard diffraction, diffractive jets and jet gap jet events. We also give the first sensitivities and limits on quartic anomalous couplings and axion-like particles at high mass using the LHC…

High Energy Physics - Experiment · Physics 2023-01-23 C. Royon

The capability of the NLC in the $\gamma e$ collider mode to probe the CP-conserving $\gamma WW$ and $\gamma ZZ$ anomalous couplings through the use of the polarization asymmetry is examined. When combined with other measurements, very…

High Energy Physics - Phenomenology · Physics 2011-04-15 Thomas G. Rizzo

The search for quartic anomalous gauge couplings (QAGC) at LEP requires appropriate predictions for the radiative processes e+ e- \to \nu\bar\nu \gamma\gamma, e+ e- \to q\bar{q}\gamma\gamma and e+ e- \to 4 fermions+\gamma. The current…

High Energy Physics - Phenomenology · Physics 2007-05-23 M. Osmo , F. Piccinini

We investigate the constraints on the anomalous quartic $W^{+}W^{-}Z\gamma$ gauge boson coupling through the process $e^{-}\gamma\to \nu_{e}W^{-}Z$. Considering incoming beam polarizations and the longitudinal and transverse polarization…

High Energy Physics - Phenomenology · Physics 2009-10-06 I. Sahin

The cross section for W or Z boson production in association with two photons is measured in proton-proton collisions at a centre-of-mass energy of 13 TeV. The data set corresponds to an integrated luminosity of 137 fb$^{-1}$ collected by…

High Energy Physics - Experiment · Physics 2021-11-01 CMS Collaboration

We describe two different important measurements to be performed at the LHC. The Mueller Navelet jet and jet gap jet cross section represent a test of BFKL dynamics and we perform a NLL calculation of these processes and compare it with…

High Energy Physics - Phenomenology · Physics 2010-09-23 C. Royon

The exclusive two-photon production at the LHC of pairs of W and Z bosons provides a novel and unique test-ground for the electroweak gauge boson sector. In particular it offers, thanks to high gamma-gamma center-of-mass energies, large and…

High Energy Physics - Phenomenology · Physics 2009-02-05 Tomasz Pierzchala , Krzysztof Piotrzkowski

The dimension-four genuine anomalous quartic couplings are studied in processes of six-fermion production via e+e- collisions. Complete tree-level electroweak calculations are performed including initial-state-radiation and beamstrahlung.…

High Energy Physics - Phenomenology · Physics 2007-05-23 Fabrizio Gangemi

The sensitivity to anomalous quartic gauge couplings (AQGCs) of the $\gamma\gamma\gamma Z$ interaction is studied in the $\mu^+\mu^- \rightarrow \mu^+\gamma\gamma \mu^-$ scattering at a future muon collider with unpolarized beams. The…

High Energy Physics - Phenomenology · Physics 2024-03-13 H. Amarkhail , S. C. İnan , A. V. Kisselev

The vector boson scattering at the Large Hadron Collider (LHC) is sensitive to anomalous quartic gauge couplings (aQGCs). In this paper, we investigate the aQGC contribution to $ W \gamma jj$ production at the LHC with $\sqrt{s}=13$ TeV in…

High Energy Physics - Phenomenology · Physics 2023-10-20 Yu-Chen Guo , Ying-Ying Wang , Ji-Chong Yang , Chong-Xing Yue

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 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

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

We study contributions to $b \rightarrow s \gamma$ from anomalous $WW\gamma$ interactions. Although these anomalous interactions are not renormalizable, the contributions are cut-off independent. Using recent results from the CLEO…

High Energy Physics - Phenomenology · Physics 2010-11-01 Xiao-Gang He , B. McKellar

This paper presents the extended results of measurements of $W^{\pm}W^{\pm}jj$ production and limits on anomalous quartic gauge couplings using 20.3 ${\rm fb}^{-1}$ of proton-proton collision data at $\sqrt{s}=8$ TeV recorded by the ATLAS…

High Energy Physics - Experiment · Physics 2019-08-15 ATLAS Collaboration

We make a careful analysis of $W^\pm\gamma$ production at the LHC, identifying the $W^\pm$ through leptonic decays, with a view to exploring the sensitivity of the machine to anomalous $CP$-conserving $WW\gamma$ interactions. All the…

High Energy Physics - Phenomenology · Physics 2019-05-22 Disha Bhatia , Ushoshi Maitra , Sreerup Raychaudhuri

A review of recent combinations of top-quark measurements performed at the LHC, by the ATLAS and CMS collaborations, is provided. The typical uncertainty categorisations, and their assumed correlation patterns are presented, together with…

High Energy Physics - Experiment · Physics 2019-08-14 Giorgio Cortiana

We examine the potential of the $ep\to\nu_{e}q\gamma X$ and $ep\to\nu_{e}qZX$ processes to search for the anomalous couplings of $WW\gamma$ and $WWZ$ vertices at the LHeC with the electron beam energy of $E_{e}=60$ GeV and $E_{e}=140$ GeV.…

High Energy Physics - Phenomenology · Physics 2014-11-14 I. T. Cakir , O. Cakir , A. Senol , A. T. Tasci