Can the two-Higgs-doublet model survive the constraint from the muon anomalous magnetic moment, as suggested?

Kingman Cheung, Otto C.W. Kong

Research output: Contribution to journalArticlepeer-review

68 Scopus citations

Abstract

Requiring the two-Higgs-doublet model II to accommodate the 3σ deviation in the muon anomalous magnetic moment imposes specific constraints on the Higgs spectrum. We analyze the combination of all the relevant available constraints on the model parameter space. The use of constraints from b → sγ, the precision electroweak measurements of Rb, and the → parameter, together with exclusions from direct searches at CERN LEP, gives extremely severe restrictions on the model parameters. That is "almost enough" to destroy the model altogether. The exclusion would be even stronger if the direct searches could be optimized to complement the other constraints, as will be discussed in detail in this work.

Original languageEnglish
Article number053003
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Volume68
Issue number5
DOIs
StatePublished - 2003

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