A fast-simulation study of the Type-I two-Higgs-doublet model finds that five of six benchmark points with a light Higgs mass between 25 and 44 GeV reach above 5 sigma significance in the b bbar gamma gamma final state at 300 fb^-1, provided the omitted backgrounds stay negligible.
Double fermiophobic Higgs boson production at the LHC and LC
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abstract
We consider the phenomenology of a fermiophobic Higgs boson (h_f) at the Large Hadron Collider (LHC) and a e+e- Linear Collider (LC). At both machines the standard production mechanisms which rely on the coupling h_fVV (V=W,Z) can be very suppressed at large tan beta. In such cases the complementary channels pp to H^\pm h_f, A^0 h_f and e+e- to A^0 h_f offer promising cross-sections. Together with the potentially large branching ratios for H^\pm to h_fW* and A^0 to h_fZ*, these mechanisms would give rise to double h_f production, leading to signatures of gamma gamma gamma gamma, gamma gamma VV and VVVV.
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Probing a 2HDM Type-I light Higgs state via $H_{\rm SM} \to hh \to b\bar b\gamma \gamma$ at the LHC
A fast-simulation study of the Type-I two-Higgs-doublet model finds that five of six benchmark points with a light Higgs mass between 25 and 44 GeV reach above 5 sigma significance in the b bbar gamma gamma final state at 300 fb^-1, provided the omitted backgrounds stay negligible.