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

30 Jan 2019 · Banerjee Avik, Bhattacharyya Gautam, Kumar Nilanjana ·

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.

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

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