A projection study showing that HL-LHC tau-pair data could determine the CP mixing angle of a hypothetical 95 GeV resonance to within roughly 0.27 to 0.47 radians at 90% confidence.
Search for a lighter Higgs in Two Higgs Doublet Models
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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.
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On the CP Nature of the `95 GeV' Anomalies
A projection study showing that HL-LHC tau-pair data could determine the CP mixing angle of a hypothetical 95 GeV resonance to within roughly 0.27 to 0.47 radians at 90% confidence.