Probing EWPT in 2HDM with future lepton colliders

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dc.contributor.authorSu, W.
dc.contributor.authorWilliams, A.G.G.
dc.contributor.authorZhang, M.
dc.date.issued2022
dc.description.abstractThe electroweak phase transition can be made first order by extending the Standard Model (SM) Higgs sector with extra scalars. Here, we focus on the strong first-order electroweak phase transition (SFOEWPT) in the Type-II two Higgs doublet models (2HDMs). Through a parameter space scan, we find that SFOEWPT suggests upper limits on the masses of the heavy Higgs mA∕H ∕ H±, which is less than 1TeV. High-temperature expansion and Higgs vacuum uplifting are used for analytical understanding of our results. We find that sizeable loop corrections require mA≈mH±>mH to meet the SFOEWPT condition in the Type-II 2HDM. We also study the possibility of probing SFOEWPT at the one-loop level from Higgs and Z-pole precision measurements at future Higgs and Z factories.
dc.description.statementofresponsibilityWei Su, Anthony G. Williams, Mengchao Zhang
dc.identifier.citationInternational Journal of Modern Physics A: particles and fields; gravitation; cosmology; nuclear physics, 2022; 37(30):2246008-1-2246008-7
dc.identifier.doi10.1142/S0217751X22460083
dc.identifier.issn0217-751X
dc.identifier.issn1793-656X
dc.identifier.orcidSu, W. [0000-0001-5958-6366]
dc.identifier.orcidWilliams, A.G.G. [0000-0002-1472-1592]
dc.identifier.urihttps://hdl.handle.net/2440/137323
dc.language.isoen
dc.publisherWorld Scientific Publishing Company
dc.relation.granthttp://purl.org/au-research/grants/arc/CE200100008
dc.rights© World Scientific Publishing Company
dc.source.urihttps://doi.org/10.1142/s0217751x22460083
dc.subjectElectroweak phase transition; 2HDM; Higgs factory
dc.titleProbing EWPT in 2HDM with future lepton colliders
dc.typeJournal article
pubs.publication-statusPublished

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