What question did this study set out to answer?

To assess the discovery potential of a vector-like top partner in the Type-II Two-Higgs-Doublet Model at a muon-proton collider.

May 15, 2026Open Access

Single production of a vector-like top as a probe of charged higgs bosons at a muon–proton collider

Puntos clave

To assess the discovery potential of a vector-like top partner in the Type-II Two-Higgs-Doublet Model at a muon-proton collider.
High-energy collider simulations for muon-proton interactions.
Analysis of decay cascades involving vector-like top partners and charged Higgs.
Assessment of detection feasibility with varying masses and luminosities.
Discovery potential for a 5σ signal achievable for vector-like top mass around 1.2 TeV with integrated luminosities of 100 and 150 fb⁻¹.
Detection remains feasible under moderate background systematics for masses near 1.5 TeV.
Larger statistics required for heavier mass specifications.

Resumen

Abstract We investigate the discovery potential of a vector-like top partner (T) in the Type-II Two-Higgs-Doublet Model at a high-energy p μ p collider through the charged-Higgs cascade ^+ p _ \, b T _ \, b H^+ b μ + p → ν μ b ¯ T → ν μ b ¯ H + b with H^+ tb H + → t b ¯. The signal is characterized by four b jets, one charged lepton, and missing transverse energy. A detector-level analysis is performed for representative spectra with m₇^ 600 m H ± ≃ 600 –650 GeV and mT 1. 2 m T ≃ 1. 2 –1. 9 TeV. We find that a 5 5 σ discovery is achievable for mT 1. 2 m T ≃ 1. 2 TeV at integrated luminosities of 100 and 150~fb^-1 150 fb - 1 even in the presence of 20\% 20 % background systematics. For mT 1. 5 m T ≃ 1. 5 TeV, discovery remains possible for vanishing or moderate systematics, while heavier benchmarks require larger statistics and/or improved control of backgrounds.

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