Quantum Chromodynamics, the theory of quarks and gluons, whose interactions can be
described by a local SU (3) gauge symmetry with charges called “color quantum numbers” …

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 …

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 …

The LHCb Upgrade II will fully exploit the flavour-physics opportunities of the HL-LHC, and
study additional physics topics that take advantage of the forward acceptance of the LHCb …

Following the updated measurement of the lepton flavour universality (LFU) ratio R_K RK in
B → K ℓ ℓ B→ K ℓ ℓ decays by LHCb, as well as a number of further measurements, eg R …

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 perform a model-independent global fit to b → s ℓ^+ ℓ^-b→ s ℓ+ ℓ-observables to confirm
existing New Physics (NP) patterns (or scenarios) and to identify new ones emerging from …

A bstract In the Standard Model (SM), the rare transitions where a bottom quark decays into
a strange quark and a pair of light leptons exhibit a potential sensitivity to physics beyond …

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 …

Review of lepton universality tests in B decays - IOPscience Skip to content IOP Science home
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