Abstract We present a comprehensive analysis of low-energy signals of hypothetical scalar leptoquark interactions in lepton and kaon transitions. We derive the most general effective four-fermion Lagrangian induced by tree-level scalar leptoquark exchange and identify the Wilson coefficients predicted by the five possible types of scalar leptoquarks. The current constraints on the lep... https://www.diegojavierfares.com/flash-offer-Finney-Two-Handle-High-Arc-Bathroom-Faucet-p8561-super-offer/