2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/43672The rare decay KL to pi0mu+mu- has a significant CP-conserving contribution. The reliable theoretical estimation of this piece from the experimental pi0-two photon branching ratio is shortly reviewed. Then, we discuss the exceptional sensitivity of the combined set of decays, into pi0 nu nubar, pi0e+e- and pi0mu+mu-, to New Physics signal, and also, interestingly, to New Physics nature.4pp. Short talk given at DAFNE 2004: Workshop on Physics at Meson Factories, Rome, Frascati, Italy, 7-11 Jun 2004High Energy Physics - Phenomenologytext