We have found 431 events of the reaction $K^{+}d\to K^{0}p{p}_s$ at $3.8-\frac{\mathrm{GeV}}{c}$ $K^{+}$ beam momentum in a 295 000-frame exposure of the Argonne National Laboratory 30-in. deuterium-filled bubble chamber. The event sample consists of one- and two-prong events with a visible $K^0$ decaying to ${\pi }^{+}{\pi }^{-}$ The total and differential cross sections are found after correction for unseen $K^0$'s and for efficiencies in the scanning-measuring-fitting chain. Comparisons of the data are made to an SU(3) sum rule, a Regge model, and data for $K^{-}p\to {\overline{K}}^{0}n$.

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