Electroweak Baryogenesis

Fuyuto, Kaori

doi:10.1007/978-981-13-1008-9_2

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Constraints From Flavour-violating Decays Involving the Hi1

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2018

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“…Other recent studies of the decay t → ch in a general 2HDM framework can be found in Refs. [30,[116][117][118] and those for h → τ µ can be found in Refs. [18,[118][119][120][121][122][123][124][125].…”

Section: Constraints From Flavour-violating Decays Involving the Himentioning

confidence: 99%

Heavy Higgs searches: flavour matters

Gori

Grojean

Rozas

et al. 2018

J. High Energ. Phys.

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We point out that the stringent lower bounds on the masses of additional electrically neutral and charged Higgs bosons crucially depend on the flavour structure of their Yukawa interactions. We show that these bounds can easily be evaded by the introduction of flavour-changing neutral currents in the Higgs sector. As an illustration, we study the phenomenology of a two Higgs doublet model with a Yukawa texture singling out the third family of quarks and leptons. We combine constraints from low-energy flavour physics measurements, LHC measurements of the 125 GeV Higgs boson rates, and LHC searches for new heavy Higgs bosons. We propose novel LHC searches that could be performed in the coming years to unravel the existence of these new Higgs bosons.

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