Neutral triple electroweak gauge boson production in the large   extra-dimension model at the LHC
  We study the prospects of probing large extra dimension model at the LHC through neutral triple gauge boson production processes. In theories with extra dimensions these processes result from the exchange of a tower of massive graviton modes between the SM particles. We consider \gamma\gamma\gamma, \gamma \gamma Z, \gamma Z Z and ZZZ production processes, and present our results for various kinematic distributions at the LHC for \sqrt{S}=14 TeV. 
M. C. Kumar, Prakash Mathews, V. Ravindran, Satyajit Seth
hep-ph hep-ex