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.bekindtopets.com/discount-Ancient-Roman-Gladiator-Murmillo-Cassis-Crista-Helmet-With-Medieval-Style-Skullcap-Nasal-Helmets-With-Nose-Guard-3-Re-big-savings/