Search for a lighter Higgs in Two Higgs Doublet Models

29 Nov 2016  ·  Cacciapaglia Giacomo, Deandrea Aldo, Gascon Suzanne, Corre Solene Le, Lethuillier Morgan, Tao Junquan ·

We consider present constraints on Two Higgs Doublet Models, both from the LHC at Run 1 and from other sources in order to explore the possibility of constraining a neutral scalar or pseudo-scalar particle lighter than the 125 GeV Higgs boson. Such a lighter particle is not yet completely excluded by present data... We show with a simplified analysis that some new constraints could be obtained at the LHC if such a search is performed by the experimental collaborations, which we therefore encourage to continue carrying out light diphoton resonance searches at $\sqrt{s}=$ 13 TeV in the context of Two Higgs Doublet Models. read more

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High Energy Physics - Phenomenology