New physics with boosted single top production at the LHC and future colliders

Abstract

We address the potential of measurements with boosted single-top final states at the high-luminosity LHC (HL-LHC) and possible future hadron colliders: the high-energy LHC (HE-LHC), and the future circular collider (FCC). As new physics examples to assess the potential, we consider the search for $tbW$ anomalous couplings and for a weakly-coupled $W^{\prime }$ boson. The FCC would improve by a factor of two the sensitivity to anomalous couplings of the HL-LHC. For $W^{\prime }$ bosons, the FCC is sensitive to $W^{\prime }$ couplings $2-5$ times smaller than the HL-LHC in the mass range 2-4 TeV, and to masses up to 30 TeV in the case of Standard Model-like couplings.

LaTeX 12 pages. Comments and references added. Final version in EPJC

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• Searching for top-philic heavy resonances in boosted four-top final states
• Pulling the Higgs and Top needles from the jet stack with Feature Extended Supervised Tagging