Inclusive neutral-strange-particle production from high-energyνpcharged-current interactions

We have studied the properties of inclusive neutral-strange-particle production in charged-current $\nu p$ interactions. The relative rate for producing at least one neutral strange particle in a charged-current interaction is 0.14 ± 0.02. The inclusive distributions for events with neutral strange particles and for all charged-current events exhibit the same qualitative behavior. We find no acceptable candidates for the $\Delta S=-\Delta Q \Lambda$ production reaction $\nu p\to {\mu }^{-}\Lambda 3{\pi }^{+}{\pi }^{-}$ in approximately 3000 charged-current events with $E_{\nu }>10\mathrm{}$ GeV. We find upper limits (relative to the total charged-current sample) for charmed-particle production in any one mass region with subsequent decay into $\Lambda m\pi$ and $Km\pi$ final states of 1% and 2%, respectively.