2021
DOI: 10.48550/arxiv.2105.02143
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Inflation, electroweak phase transition, and Higgs searches at the LHC in the two-Higgs-doublet model

Abstract: Combining the electroweak phase transition and the Higgs searches at the LHC, we study the Higgs inflation in the type-I and type-II two-Higgs-doublet models with nonminimally couplings to gravity. Considering relevant theoretical and experimental constraints, we find that the Higgs inflation imposes stringent constraints on the mass splitting between A, H ± , and H, and they tend to be nearly degenerate in mass with increasing of their masses. The direct searches for Higgs at the LHC can exclude many points a… Show more

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Cited by 2 publications
(2 citation statements)
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“…[16,114,115], in which the authors find regions where the 2HDM-II could support a SFOEWPT, however only for Higgs masses less than 1 TeV. In [116], the strength of the EWPT in the 2HDM-II is tested for Higgs masses 600 GeV; a FOEWPT can be found for these masses but it is not strong enough to support EW baryogenesis. Furthermore, a SFOEWPT appears to favour a mass splitting (∼ 200 GeV [114]) between H + and H 0 , and m A 0 ∼ m H + [114,115].…”
Section: Electroweak Phase Transitionmentioning
confidence: 96%
“…[16,114,115], in which the authors find regions where the 2HDM-II could support a SFOEWPT, however only for Higgs masses less than 1 TeV. In [116], the strength of the EWPT in the 2HDM-II is tested for Higgs masses 600 GeV; a FOEWPT can be found for these masses but it is not strong enough to support EW baryogenesis. Furthermore, a SFOEWPT appears to favour a mass splitting (∼ 200 GeV [114]) between H + and H 0 , and m A 0 ∼ m H + [114,115].…”
Section: Electroweak Phase Transitionmentioning
confidence: 96%
“…Thus, H, A and H ± are allowed to have broad mass ranges. There are some recent studies on the status of type-I and type-II 2HDMs confronted with the direct searches at the LHC, see, e.g., [106,107,108,109,110,111,112,113,114,115,116]. Flipping the sign of λ 5 , A will be the DM candidate.…”
Section: Searches For Additional Scalars At Lhcmentioning
confidence: 99%