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Could the LHC two-photon signal correspond to the heavier scalar in two-Higgs-doublet models?

Ferreira, P. M.
; 
Santos, Rui
; 
Silva, Joao P.
; 
Sher, Marc
Abstract
LHC has reported tantalizing hints for a Higgs boson of mass 125 GeV decaying into two photons. We focus on two-Higgs-doublet Models, and study the interesting possibility that the heavier scalar H has been seen, with the lightest scalar h having thus far escaped detection. Nonobservation of h at LEP severely constrains the parameter-space of two-Higgs-doublet models. We analyze cases where the decay H -> hh is kinematically allowed, and cases where it is not, in the context of type I, type II, lepton-specific, and flipped models.
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2012-01-01
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Physics
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Physics
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https://doi.org/10.1103/PhysRevD.85.035020
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https://scholarworks.wm.edu/handle/internal/742
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