Probing Anomalous HZZ Couplings at the LHeC

Abstract

We examine the sensitivity to the couplings of the Higgs boson to neutral gauge bosons in a model independent way at the Large Hadron electron Collider (LHeC). We have obtained the constraints on anomalous couplings for $HZZ$ vertex via the process $e^{-}p\to e^{-}HqX$. We find the accessible limits of the anomalous coupling $b_Z$ as $(-0.12,0.43)$ and $(-0.10,0.33)$, while the limits on coupling ${\beta }_Z$ as ($-0.32,0.32$) and $(-0.24,0.24)$ at the electron beam energy $E_e=60$ GeV and $E_e=140$ GeV, respectively.

9 pages, 5 figures

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Cited by in corpus (9)

• The Large Hadron-Electron Collider at the HL-LHC
• Invisible Higgs Decay at the LHeC
• Study of anomalous gauge-Higgs couplings using $Z$ boson polarization at LHC
• Constraints on CP-violating gauge-Higgs operators
• Exploring anomalous $HZ\gamma$ couplings in $\gamma$-proton collisions at the LHC
• Exotic Higgs Decay $h\to \varphi \varphi \to 4b$ at the LHeC
• Probing anomalous gauge-Higgs couplings using $Z$ boson polarization at $e^{+}{e}^{-}$ colliders
• A new evaluation of the $HZZ$ coupling: direct bounds on anomalous contributions and $CP$ violating effects via a new asymmetry
• $CP$ violation in the $HZZ$ vertex and left-right asymmetries