Two Higgs doublets to explain the excesses $pp\rightarrow \gamma\gamma(750\ {\rm GeV})$ and $h \to \tau^\pm \mu^\mp$ Auteur(s): (Article) Publié: Journal Of High Energy Physics, vol. 03 p.073 (2016) Texte intégral en Openaccess : Ref HAL: in2p3-01269676_v1 Ref Arxiv: 1512.08508 DOI: 10.1007/JHEP03(2016)073 WoS: WOS:000375305900001 Ref. & Cit.: NASA ADS Exporter : BibTex | endNote 32 Citations Résumé: 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. Commentaires: 15 pages, 1 figure; v2: discussion of tau-->mu gamma added, leading to an additional constraint. v3: references added, figure 1 recovered and figure 2 added |