By drawing upon results from work dealing with the interactions of slow protons with matter, we estimate the light yield of grand unification monopoles from organic scintillators. It is shown that monopoles having velocities $\gtrsim 6\times {10}^{-4\mathrm{}}c$ can be observed.

• Received 16 August 1982

DOI:https://doi.org/10.1103/PhysRevD.27.688