LIMIT ON THE BRANCHING RATIO OF K(L)-]PI(0)NU(NU)OVER-BAR

We report on a search for the decay K(L) --> pi0nunuBAR by the Fermila b E799 Collaboration. The partial width for this mode is related in a calculable way to the CP violation parameters of the standard model. I n particular, the decay K(L) --> pi0nunuBAR is predicted to proceed al most entirely via a direct CP violating amplitude. No events were obse rved, allowing us to set an upper limit on the branching ratio of B(K( L) --> pi0nunuBAR) < 5.8 x 10(-5) at the 90% confidence level.