Electroweak precision data constrain neutrinophilic scalar couplings to neutrinos via charged-current corrections, with the result holding in a UV-complete model for wide parameter ranges.
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Recasting ttZ analyses yields sub-permille constraints on Br(t→H±b)×Br(H±→WZ) and vΔ≲2 GeV in the Y=0 Higgs triplet model, accompanied by a 2σ preference for a non-zero signal.
A nonholomorphic T' modular model realizes the T4-2-i one-loop topology for radiative Majorana neutrino masses, forbids tree-level seesaws via modular assignments, stabilizes DM with residual Z2, and fits oscillation data plus DM constraints for both hierarchies with fermionic DM.
Only the hypercharge-zero fermionic electroweak triplet dark matter survives current relic density, direct detection, and indirect detection constraints among the minimal triplet extensions considered.
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Precision Electroweak Constraints on Neutrinophilic Scalars
Electroweak precision data constrain neutrinophilic scalar couplings to neutrinos via charged-current corrections, with the result holding in a UV-complete model for wide parameter ranges.
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Searching for a Charged Higgs Boson in Top-Quark Decays via the $WZ$ Mode
Recasting ttZ analyses yields sub-permille constraints on Br(t→H±b)×Br(H±→WZ) and vΔ≲2 GeV in the Y=0 Higgs triplet model, accompanied by a 2σ preference for a non-zero signal.
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Radiative Neutrino Mass in a Nonholomorphic $T'$ Modular Invariant Model
A nonholomorphic T' modular model realizes the T4-2-i one-loop topology for radiative Majorana neutrino masses, forbids tree-level seesaws via modular assignments, stabilizes DM with residual Z2, and fits oscillation data plus DM constraints for both hierarchies with fermionic DM.
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Twilight of the WIMP: Comprehensive Phenomenology of Electroweak Triplet Dark Matter
Only the hypercharge-zero fermionic electroweak triplet dark matter survives current relic density, direct detection, and indirect detection constraints among the minimal triplet extensions considered.