Impact of Low-Energy Constraints on Lorentz Violation
  We extend previous analyses of the violation of Lorentz invariance induced in a non-critical string model of quantum space-time foam, discussing the propagation of low-energy particles through a distribution of non-relativistic D-particles.We argue that nuclear and atomic physics experiments do not constitute sensitive probes of this approach to quantum gravity due to a difference in the dispersion relations for massive probes as compared to those for massless ones, predicted by the model. 
J. Ellis (CERN), E. Gravanis and N.E. Mavromatos (King's College   London), D.V. Nanopoulos (Texas A&M, HARC, Academy of Athens)