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arxiv: 1512.08508 · v3 · pith:4J75XXPXnew · submitted 2015-12-28 · ✦ hep-ph

Two Higgs doublets to explain the excesses pprightarrow γγ(750\ {rm GeV}) and h to τ^pm μ^mp

classification ✦ hep-ph
keywords gammahiggsexcessesleptonadditionaladdressbosonconsistent
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The two Higgs doublet model emerges as a minimal scenario in which to address, at the same time, the $\gamma\gamma$ excess at 750 GeV and the lepton flavour violating decay into $\tau^\pm \mu^\mp $ of the 125 GeV Higgs boson. The price to pay is additional matter to enhance the $\gamma\gamma$ 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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