Investigation of the radiative decay \(b \to s \gamma\) in the 3-4-1-1 model
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https://doi.org/10.15625/0868-3166/17517Keywords:
dark matter, beyond the standard model, standard model, radiative decayAbstract
We investigate the branching ratio of the radiative decay \(b\to s \gamma\) in the 3-4-1-1 model with arbitrary charge parameters \(p,q\). We show that the new Higgs bosons, \(\mathcal{H}_1^\pm\), and the new gauge bosons \(W_{13,14 }^{\pm p,q}, Z_{2,3}\) contribute to this decay. Of these sources, the main contribution comes from the interaction of the singly-charged Higgs boson. If the spontaneous breaking of the enlarged gauge group symmetry down to the electroweak group is around a few TeVs, the predictions for the branching ratio Br\((b\to s \gamma)\) and meson mixing are both consistent with experimental constraints.
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Accepted 20-10-2022
Published 21-04-2023
