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Production of exotic states at LHC is considered in the large radiuscompactification scenario. We envisage a five dimensional theory for a scalarfield in five dimensional flat spacetime. It is compactified on a circle,$S^1$, with radius, $R$. The radius is assumed to be in TeV scale appealing toLRC hypothesis. The production of Kaluza-Klein states whose masses lie in thevicinity of TeV range is considered. Instead of appealing to any specificmodel, bounds on inelastic cross sections and near forward differental crosssection are derived from the Lehmann-Symanzik-Zimmermann (LSZ) formulation. Weconsider decompactified theory should compactification radius be large enoughto unravel the fifth spacial dimension in LHC energy scale. Bounds on crosssections are also derived for this scenario. We present bounds on inclusivecross sections for reactions like $a+b\rightarrow c+X$, X being unobservedstates. We plot the bounds as a function of energy and propose that thesebounds might be useful for search of exotic states in LHC experiments likeATLAS and CMS.

On Production of Excited Kaluza-Klein States in Large Radius Compactification Scenario