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

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arxiv 1901.01725 v2 pith:TQXLDIEH submitted 2019-01-07 hep-ph hep-ex

Avik Banerjee , Gautam Bhattacharyya , Nilanjana Kumar This is my paper · ORCID
classification hep-phhep-ex
keywords operatorsdimension-5modelb-mesonchargedgeorgi-machacekhiggsonly
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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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  1. Light Scalars in the Extended Georgi-Machacek Model

    hep-ph 2025-06 conditional novelty 6.0 of 10

    A global fit of the Georgi-Machacek and extended Georgi-Machacek models finds that the 95 GeV diphoton and bottom-quark excesses are compatible with the 125 GeV Higgs data, while the ditau excess is not, and it sets u...

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