We review the current status and implications of the anomalies (ie deviations from the
Standard Model predictions) in semi-leptonic B meson decays, both in the charged and in …

At the present time (2022), there are discrepancies with the predictions of the Standard
Model in several observables involving b→ s ℓ+ ℓ− and decays. These are the B flavor …

The standard model of particle physics currently provides our best description of
fundamental particles and their interactions. The theory predicts that the different charged …

A bstract Motivated by the recent LHCb announcement of a 3. 1σ violation of lepton-flavor
universality in the ratio RK= Γ (B→ Kμ+ μ−)/Γ (B→ Ke+ e−), we present an updated …

A bstract Motivated by additional experimental hints of Lepton Flavour Universality violation
in B decays, both in charged-and in neutral-current processes, we analyse the ingredients …

We evaluate the impact of radiative corrections in the ratios Γ B → M μ^+ μ^-/Γ B → M e^+ e^-
Γ B→ M μ+ μ-/Γ B→ M e+ e-when the meson M is a K or a K^* K∗. Employing the cuts on m …

The vector leptoquark representation, U μ=(3, 1, 2/3), was recently identified as an
exceptional single mediator model to address experimental hints on lepton flavor …

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A bstract Over the past years, experiments accumulated intriguing hints for new physics (NP)
in flavor observables, namely in the anomalous magnetic moment of the muon (a μ), in R (D …

We show that by adding a single new scalar particle to the standard model, a TeV-scale
leptoquark with the quantum numbers of a right-handed down quark, one can explain in a …