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International audienceHiggs bosons lighter than the 125 GeV one can be present in extensions of the Standard Model and exclusion or discovery of such a possibility allows to improve our knowledge of the Higgs sector. I consider Two Higgs Doublet Models, which are the minimal scalar structure of a large number of models, in order to explore the possibility of constraining a neutral scalar particle lighter than the 125 GeV Higgs boson. Such a lighter particle is not yet completely excluded by present data. I show that some new constraints can be obtained at the LHC for these light particles

Bounds for lighter Higgses in extensions of the Standard Model