We re-consider recent measures of RK and RK^*, now compatible with the Standard Model expectations, as well as the results for the process BR(Bₛ → μ⁺ μ⁻) alongside earlier determinations of R_D⁽⁾ and BR(Bc → τ ν). We provide analytic constraints on the associated Wilson coefficients in both the b → s and the b → c sectors. These allow us to estimate the scale of potential New Physics for generic extensions of the Standard Model. We then use the results to constrain the leptoquark landscape.
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D'Alise et al. (2024) studied this question.
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