FCC-he sensitivity estimates on the anomalous electromagnetic dipole moments of the top-quark

Abstract

In this paper, we study the production of a top-quark in association with a bottom-quark and a electron-neutrino at the Future Circular Collider Hadron Electron (FCC-he) to probe the sensitivity on its magnetic moment $({\hat{a}}_V)$ and its electromagnetic dipole moment $({\hat{a}}_A)$ through the process $e^{-}p\to e^{-}\gamma p\to \bar{t}{\nu }_{e}bp$. Assuming a large amount of collisions, as well as of data with cleaner environments, the FCC-he is an excellent option to study new physics, such as the ${\hat{a}}_V$ and ${\hat{a}}_A$. For our sensitivity study on ${\hat{a}}_V$ and ${\hat{a}}_A$, we consider center-of-mass energies $\sqrt{s}=7.07,10TeV$ and luminosities $\mathcal{L}=50,100,300,500,1000f{b}^{-1}$. In addition, we apply systematic uncertainties ${\delta }_{sys}=0\%,3\%,5\%$ and we consider unpolarized and polarized electron beam. Our results show that the FCC-he is a very good perspective to probe the ${\hat{a}}_V$ and ${\hat{a}}_A$ at high-energy and high-luminosity frontier.

arXiv comment19 pages, 14 Figures, 6 Tables; v2: version published in NPB. arXiv admin note: text overlap with arXiv:1811.10462

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Cited by in corpus (9)

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• Bounds on the non-standard $W^{+}{W}^{-}\gamma$ couplings at the LHeC and the FCC-he
• Nuclear electric dipole moment in the cluster model with a triton: ${}^7$Li and ${}^{11}$B
• Model independent study for the anomalous $W^{+}{W}^{-}\gamma$ couplings at the future lepton-hadron colliders
• Sensitivity analysis for the anomalous $W^{+}{W}^{-}\gamma$ couplings at the LHeC and the FCC-he
• Sensitivity measuring expected on the electromagnetic anomalous couplings in the $t\bar{t}\gamma$ vertex at the FCC-he
• Search for the anomalous $WW\gamma$ couplings through the process $e^{-}{e}^{+}\to {\nu }_e{\bar{\nu }}_e\gamma$ at ILC with unpolarized and polarize beams
• Top quark effective couplings from top-pair tagged photoproduction in $p{e}^{-}$ collisions
• Model-independent sensitivity estimates for the electromagnetic dipole moments of the top quark at the Large Hadron Collider and beyond