Exploring scalar contributions with $K^{+}\to {\pi }^{+}{\ell }^{+}{\ell }^{-}$

G. D'Ambrosio, A. M. Iyer, F. Mahmoudi +1

The rare kaon decay $K^{+}\to {\pi }^{+}{\ell }^{+}{\ell }^{-}$ offers insights into Standard Model (SM) physics and beyond. Driven by vector form factor in the SM, it can also probe non-standard co…