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EDSU2022 / Rare decays at LHCb

Rare decays of B mesons present a unique opportunity to probe the consistency of the Standard Model, and in particular the universality of the electroweak force with respect to the lepton flavour, also known as Lepton Flavour Universality (LFU). Recent measurements of the LHCb experiment on various B-decay measurements display persistent deviations with respect to the Standard Model. These anomalies are observed in absolute measurements of branching ratios, angular observables and in tests of LFU. The aforementioned observations, while still not at the discovery level, suggest that a sizeable Violation of Lepton Universality (LUV) arising from new physics might be present in nature. In this talk, recent LHCb measurements on rare B-meson decays, with a particular focus on tests of Lepton Flavour Universality, are reported.

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