Projected 2σ limits from a simulated 5.3 TeV muon-proton collider could reach |VℓN|² ≈ 10⁻⁶ for 200 GeV–1 TeV heavy Majorana neutrinos.
Hayrapetyanet al.(CMS), Phys
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With XGBoost at 14 TeV and 3000 fb⁻¹, 2σ exclusion of a tau-mixing singlet vectorlike lepton can reach ~500 GeV (3-lepton) and ~405 GeV (4-lepton) if systematics are negligible.
XGBoost multivariate analysis extends the 5-sigma discovery reach for singly produced vector-like bottom quarks decaying via heavy neutral Higgs bosons to 1.6 TeV at the HL-LHC with 3 ab^{-1}.
Simulations indicate a 6 TeV muon collider with 4 ab^{-1} can reach >5σ significance for neutral doublet VLLs of 1.3-3 TeV mass using 4j2μ and 2ℓ2μ + missing energy channels under polarized beams.
citing papers explorer
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Search for heavy Majorana neutrinos at muon-proton colliders via lepton-number-violating signals
Projected 2σ limits from a simulated 5.3 TeV muon-proton collider could reach |VℓN|² ≈ 10⁻⁶ for 200 GeV–1 TeV heavy Majorana neutrinos.
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Machine learning study on single production of a singlet vectorlike lepton at the Large Hadron Collider
With XGBoost at 14 TeV and 3000 fb⁻¹, 2σ exclusion of a tau-mixing singlet vectorlike lepton can reach ~500 GeV (3-lepton) and ~405 GeV (4-lepton) if systematics are negligible.
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Probing Heavy Neutral Higgs Bosons via Single Vector-Like Bottom Quark Production at the HL-LHC
XGBoost multivariate analysis extends the 5-sigma discovery reach for singly produced vector-like bottom quarks decaying via heavy neutral Higgs bosons to 1.6 TeV at the HL-LHC with 3 ab^{-1}.
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Prospects for probing neutral vector-like leptons via pair production at muon collider
Simulations indicate a 6 TeV muon collider with 4 ab^{-1} can reach >5σ significance for neutral doublet VLLs of 1.3-3 TeV mass using 4j2μ and 2ℓ2μ + missing energy channels under polarized beams.