Flavour physics ATLAS/CMS

Heavy quarks are copiously produced at the LHC offering new oportunities to improve our understanding of flavor physics. The ATLAS and CMS experiments have prepared to explore them through a broad program spanning from quarkonia studies, to precision measurements of b hadron properties, to the search for rare decays and processes sensitive to new physics. Various initial measurements are invaluable, in addition, for the physics commissioning of the detectors with the earliest LHC collision data.