  The $\Lambda\Lambda$ interaction resulting from the SU(3) rotation of the
S-wave component of the Nijmegen OBE potential $D$ is used to calculate the
binding energy of $^{ 6}_{\Lambda\Lambda}$He as a $\Lambda\Lambda\alpha$
three-body system, and the neutron differential energy spectrum for the
reaction $\Xi^- + d \to n + \Lambda + \Lambda$.
