Abstract
The three-site Pati-Salam gauge model provides a consistent description for the hints of lepton-flavor non-universality observed in B decays, connecting the present pattern of “anomalies” to the origin of the Standard Model Yukawa couplings. We present here a detailed analysis of the model predictions for a series of low-energy observables, mainly in B and τ physics. The model is in good agreement with present data and predicts a well-defined pattern of non-standard effects in low-energy observables that could allow us to test it in the near future. Particularly interesting are the predictions of large τ → μ Lepton Flavor Violating processes, such as τ → μγ, τ → 3μ, B → Kτ μ, and Bs → τ μ. Also μ → 3e, μ → eγ, and KL → μe decays could be not far from the present exclusion bounds, although this conclusion is more model dependent.
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Bordone, M., Cornella, C., Fuentes-Martín, J. et al. Low-energy signatures of the PS3 model: from B-physics anomalies to LFV. J. High Energ. Phys. 2018, 148 (2018). https://doi.org/10.1007/JHEP10(2018)148
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DOI: https://doi.org/10.1007/JHEP10(2018)148