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We consider string realizations of the Randall-Sundrum effective theory forelectroweak symmetry breaking and explore the search for the lowest massiveRegge excitation of the gluon and of the extra (color singlet) gauge bosoninherent of D-brane constructions. In these curved backgrounds, the higher-spinRegge recurrences of Standard Model fields localized near the IR brane arewarped down to close to the TeV range and hence can be produced at colliderexperiments. Assuming that the theory is weakly coupled, we make use of fourgauge boson amplitudes evaluated near the first Regge pole to determine thediscovery potential of LHC. We study the inclusive dijet mass spectrum in thecentral rapidity region |y_{jet}| < 1.0 for dijet masses M \geq 2.5 TeV. Wefind that with an integrated luminosity of 100 fb^{-1}, the 5\sigma discoveryreach can be as high as 4.7 TeV. Observations of resonant structures in pp\rightarrow direct \gamma + jet can provide interesting corroboration forstring physics up to 3.0 TeV. We also study the ratio of dijet mass spectra atsmall and large scattering angles. We show that with the first fb^{-1} such aratio can probe lowest-lying Regge states for masses \sim 2.5 TeV.

LHC Phenomenology of Lowest Massive Regge Recurrences in the Randall-Sundrum Orbifold