Discovering Heavy Neutral Leptons with the Higgs Boson

Kuldeep Deka; Marta Losada; Nicol\'as Bernal

Discovering Heavy Neutral Leptons with the Higgs Boson

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arxiv 2311.18033 v2 pith:N2DWIY7O submitted 2023-11-29 hep-ph

Nicolás Bernal , Kuldeep Deka , Marta Losada This is my paper

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keywords higgsdetectorsdetermineheavyleptonsneutralactivearise

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We study the dominant signatures that arise in Higgs physics at colliders when extending the Standard Model (SM) with a Yukawa interaction to heavy neutral leptons (HNL), while suppressing their mixing to active neutrinos. We focus on the production of HNLs from Higgs bosons that subsequently decay via the Higgs to SM fermions to determine the experimental reach at the LHC detectors and far detectors such as FASER and MATHUSLA. We also determine the impact of precision Higgs constraints on beyond-SM parameters in this scenario.

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