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Within the paradigm of warped extra dimensions, third generation quarks areexpected to be the most sensitive to effects beyond the Standard Model. Theanomalies observed at the LEP and Tevatron colliders in the forward-backwardasymmetries of the bottom (A_FB^b) and top (A_FB^t) quarks can thus be seen asearly signatures of warped extra-dimensional scenarios. We propose arealization of such a scenario, with a gauge custodial symmetry in the bulk,which allows to address simultaneously the A_FB^b anomaly and the discrepanciesobserved recently on A_FB^t at high top quark rapidities and ttbar invariantmasses. We also show that the various phenomenological constraints arising fromLEP, Tevatron and LHC can be satisfied within the considered model. The modelpredicts new features, induced by a Kaluza-Klein excitation of the gluon at amass ~1.5-2 TeV, in top quark pair production at the 7 TeV LHC.

Forward-backward asymmetries of the bottom and top quarks in warped extra-dimensional models: LHC predictions from the LEP and Tevatron anomalies