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Two Higgs doublets to explain the excesses $pp\rightarrow \gamma\gamma(750\ {\rm GeV})$ and $h \to \tau^\pm \mu^\mp$

Abstract : 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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Contributor : Dominique Girod <>
Submitted on : Friday, February 5, 2016 - 10:48:38 AM
Last modification on : Tuesday, November 19, 2019 - 2:41:35 AM

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N. Bizot, S. Davidson, M. Frigerio, J. -L. Kneur. Two Higgs doublets to explain the excesses $pp\rightarrow \gamma\gamma(750\ {\rm GeV})$ and $h \to \tau^\pm \mu^\mp$. Journal of High Energy Physics, Springer Verlag (Germany), 2016, 03, pp.073. ⟨10.1007/JHEP03(2016)073⟩. ⟨in2p3-01269676⟩



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