  Lorentz gauge theory (LGT) is a feasible candidate for theory of quantum
gravity in which routine field theory calculations can be carried out
perturbatively without encountering too many divergences. In LGT spin of matter
also gravitates. The spin-generated gravity is expected to be extremely
stronger than that generated by mass and could be explored in current
colliders. In this article the observable signals of the theory in an
electron-positron collider is investigated. We specifically study pair
annihilation into two gravitons, and LGT corrections to processes like
$e^-+e^+\rightarrow \mu^-+\mu^+$ and $e^-+e^+\rightarrow e^-+e^+$.
