TL;DR
This paper proposes a new light scalar model that induces exotic lepton-flavor violating Higgs decays, suggesting novel signatures at the LHC and developing a dedicated search strategy.
Contribution
It introduces a simple model with a light scalar causing lepton-flavor violating Higgs decays and designs a new search method for these rare processes.
Findings
Model predicts unique decay signatures like h → e+ e+ μ− μ−
Current constraints from flavor physics and multi-lepton searches are assessed
A new optimized search strategy for these decays is proposed
Abstract
Exotic Higgs decays are promising channels to discover new physics in the near future. We present a simple model with a new light scalar that couples to the Standard Model through a charged lepton-flavor violating interaction. This can yield exciting new signatures, such as , that currently have no dedicated searches at the Large Hadron Collider. We discuss this model in detail, assess sensitivity from flavor constraints, explore current constraints from existing multi-lepton searches, and construct a new search strategy to optimally target these exotic, lepton-flavor violating Higgs decays.
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