Double Neutral Higgs production in the Two-Higgs doublet model at the LHC

Abstract

In this work we study the production and decay of two CP-even Higgs bosons in the general CP-conserving two-Higgs doublet model at the LHC. We also study the limiting case of the decoupling scenario. For each Yukawa version of the model, we look for the region of the parameter space where a signal would be seen at the LHC. Taking into account theoretical and experimental constraints on the two Higgs doublet model parameters, we show that the cross section can be two orders of magnitude above the corresponding Standard Model cross section. We have also studied in detail the decay profile of the Higgs bosons and showed that interesting signatures may emerge for some particular values of the parameters. In some scenarios, specific triple Higgs could be measured.

16 pages, 11 figures

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• Neutral Higgs production on LHC in the two-Higgs-doublet model with spontaneous $CP$ violation
• Dual electroweak phase transition in the two-Higgs-doublet model with the $S_3$ discrete symmetry
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• Is Higgsium a possibility in 2HDMs?
• Pair production of neutral Higgs particles in the B-LSSM
• Triple Higgs coupling in the most general 2HDM at SM-like scenario
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