Updated constraints show LHC direct searches now dominate the tau-mu and tau-e flavor-violating Higgs couplings, with new-physics scales around 10 to 100 TeV.
Snowmass 2021 White Paper: Higgs Coupling Sensitivities and Model-Independent Bounds on the Scale of New Physics
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In this Snowmass white paper, we describe how unitarity bounds can convert sensitivities for Higgs couplings at future colliders into sensitivities to the scale of new physics. This gives a model-independent consequence of improving these sensitivities and illustrate the impact they would have on constraining new physics. Drawing upon past successful applications of unitarity as a guide for future colliders (e.g. the Higgs mass bound and discovering it at the LHC), we hope this data will be useful in the planning for next generation colliders.
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Improved Bounds and Global Fit of Flavor-Violating Charged Lepton Yukawa Couplings post LHC
Updated constraints show LHC direct searches now dominate the tau-mu and tau-e flavor-violating Higgs couplings, with new-physics scales around 10 to 100 TeV.