Abstract
The two Higgs doublet model emerges as a minimal scenario in which to address, at the same time, the γγ excess at 750 GeV and the lepton flavour violating decay into τ ± μ ∓ of the 125 GeV Higgs boson. The price to pay is additional matter to enhance the γγ rate, and a peculiar pattern for the lepton Yukawa couplings. We add TeV scale vector-like fermions and find parameter space consistent with both excesses, as well as with Higgs and electroweak precision observables.
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Bizot, N., Davidson, S., Frigerio, M. et al. Two Higgs doublets to explain the excesses pp → γγ(750 GeV) and h → τ ± μ ∓ . J. High Energ. Phys. 2016, 73 (2016). https://doi.org/10.1007/JHEP03(2016)073
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DOI: https://doi.org/10.1007/JHEP03(2016)073