Impact of Yukawa-like dimension-5 operators on the Georgi-Machacek model

Abstract

We study the effects of including Yukawa-like dimension-5 operators in the Georgi-Machacek model where the Standard Model is augmented with triplet scalars. We focus only on the charged Higgs sector and investigate the constraints arising from radiative B-meson decays, neutral B-meson mixing and precision measurement of Zbb vertex. We observe that the inclusion of the dimension-5 operators causes substantial alteration of the limits on the charged Higgs masses and the vacuum expectation value of the triplets, derived otherwise using only the dimension-4 operators.

11 pages, 2 captioned figures, minor changes in text, to appear in Phys. Rev. D

References in corpus (11)

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• Complete Higgs Sector Constraints on Dimension-6 Operators
• The decoupling limit in the Georgi-Machacek model
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• Higgs couplings in a model with triplets
• Electroweak Phase Transition in Georgi-Machacek Model
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• Higher dimensional operators in 2HDM
• Vector-like quarks with a scalar triplet