KLEVER: An experiment to measure BR($K_L\to {\pi }^0\nu \bar{\nu }$) at the CERN SPS

F. Ambrosino, R. Ammendola, A. Antonelli +75

Precise measurements of the branching ratios for the flavor-changing neutral current decays $K\to \pi \nu \bar{\nu }$ can provide unique constraints on CKM unitarity and, potentially, evidence…