Seminarium "Teoria cząstek elementarnych i kosmologia"

An important influence on the field of heavy flavour physics in the last 6-7 years has been the appearance of several anomalies in measurements by LHCb and the B factories. These anomalies have affected both neutral and charged semi-leptonic B decays, and particularly in lepton flavour universality ratios, i.e. ratios of branching ratios with different flavoured leptons in the final state. I will review these anomalies, detailing the calculation of the observables and explain how the situation has evolved as a result of measurements presented at Moriond. I will further discuss the implications of these results for models beyond the Standard Model (BSM). Finally I will mention other measurements which could further test such BSM physics.