Down type iso-singlet quarks at the HL-LHC and FCC-hh

Abstract

We study the discovery potential of down type iso-singlet quarks, $D$, predicted by the $E_6$ GUT model in the $pp\to D\bar{D}\to ZZd\bar{d}\to {\ell }^{+}{\ell }^{-}{\ell }^{+}{\ell }^{-}d\bar{d}$ channel at the HL-LHC and FCC-hh colliders. The analysis is performed using a high level analysis description language and its runtime interpreter. The study shows that, using solely this channel, HL-LHC can discover $D$ quarks up to a mass of 710 GeV whereas FCC-hh up to 2430 GeV with data collected in their complete run periods.

13 pages, 10 figures

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• Observation of a new particle in the search for the Standard Model Higgs boson with the ATLAS detector at the LHC
• PYTHIA 6.4 Physics and Manual
• The automated computation of tree-level and next-to-leading order differential cross sections, and their matching to parton shower simulations
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Cited by in corpus (3)

• Vector-like Singlet Quarks: a Roadmap
• The oblique parameters in the 2HDM with Vector-Like Quarks: Confronting $M_W$ CDF-II Anomaly
• CutLang V2: towards a unified Analysis Description Language