Abstract
Flavour-changing neutral-current processes, such as b → sℓ + ℓ −, are forbidden at tree level in the Standard Model and hence might receive comparatively large corrections from new particles. This proceeding paper highlights recent measurements from LHCb on b → sℓ + ℓ − and purely-leptonic decays, including tests of lepton flavour universality and searches for lepton flavour violation.
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