2130-MeV $lambda$$sup 0$p MASS ENHANCEMENT IN THE REACTION K$sup -$d $Yields$ $lambda$$sup 0$p$pi$$sup -$ AT 1.45 AND 1.65 GeV/c.

An enhancement in the ${\ensuremath{\Lambda}}^{0}p$ mass spectrum from the reaction ${K}^{\ensuremath{-}}d\ensuremath{\rightarrow}{\ensuremath{\Lambda}}^{0}p{\ensuremath{\pi}}^{\ensuremath{-}}$ at ${K}^{\ensuremath{-}}$ momenta of 1.45 and 1.65 $\frac{\mathrm{GeV}}{c}$ is reported. The peak of the distribution occurs at $\ensuremath{\simeq}2129$ MeV and the width at half-height is $\ensuremath{\simeq}10$ MeV. A possible interpretation of this effect is given.