Study on the anomalous quartic $W^{+}{W}^{-}\gamma \gamma$ couplings of electroweak bosons in $e^{-}p$ collisions at the LHeC and the FCC-he

Abstract

In this paper, a study is carried out on the $e^{-}p\to e^{-}{\gamma }^{\ast }p\to p{W}^{+}\gamma {\nu }_e$ production to probe quartic $W^{+}{W}^{-}\gamma \gamma$ couplings using 10, 100 $\mathrm{f}{\mathrm{b}}^{-1}$ of $e^{-}p$ collisions data at $\sqrt{s}$= 1.30, 1.98 GeV at the Large Hadron electron Collider (LHeC) and 100, 1000 $\mathrm{f}{\mathrm{b}}^{-1}$ with $\sqrt{s}$= 3.46, 5.29 GeV at the Future Circular Collider-hadron electron (FCC-he). Production cross-sections are determined for both at leptonic and hadronic decay channel of the $W$-boson. With the data from future $e^{-}p$ colliders, it is possible to obtain sensitivity measures at $95\%$ C.L. on the anomalous $f_{M,i}/{\Lambda }^4$ and $f_{T,i}/{\Lambda }^4$ couplings which are competitive with the limits obtained by the LHC, as well as with others limits reported in the literature. The production mode $e^{-}p\to e^{-}{\gamma }^{\ast }p\to p{W}^{+}\gamma {\nu }_e$ in $e^{-}p$ collisions offers a window for study the quartic $W^{+}{W}^{-}\gamma \gamma$ electroweak bosons couplings at the LHeC and the FCC-he, which provides a much cleaner collision environment than the LHC.

arXiv comment27 pages , 10 figures

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• Probing anomalous quartic $\gamma \gamma \gamma \gamma$ couplings in light-by-light collisions at the CLIC
• Future projections on the anomalous $WW\gamma \gamma$ couplings in hadron-hadron interactions at the FCC-hh
• Sensitivity analysis for the anomalous $W^{+}{W}^{-}\gamma$ couplings at the LHeC and the FCC-he
• Bounds on anomalous quartic $WWZ\gamma$ couplings in $e^{-}p$ collisions at the FCC-he
• The future muon collider for the research of the anomalous neutral quartic $Z\gamma \gamma \gamma$, $ZZ\gamma \gamma$, and $ZZZ\gamma$ couplings
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• Sensitivity analysis for the anomalous $tq\gamma$ couplings via $\gamma q\to t\gamma$ subprocess in photon-proton collisions at the FCC-$\mu$p
• The cross-section for the $\gamma e^{-}\to Z{e}^{-}\to l^{-}{l}^{+}{e}^{-}$ scattering at the LHeC
• Constraints on Anomalous Quartic Gauge Couplings via Electroweak Production of $\gamma \gamma jj$ at Future Proton-Proton Colliders
• Probing Neutral Triple Gauge Couplings at e- p colliders