Strong Electroweak Symmetry Breaking and Spin-0 Resonances

We argue that theories of the strong electroweak symmetry breaking sector necessarily contain new spin 0 states at the TeV scale in the t̅ t and t̅ b/b̅ t channels, even if the third generation quarks are not composite at the TeV scale. These states couple sufficiently strongly to third generation quarks to have significant production at LHC via gg→φ⁰ or gb→tφ^-. The existence of narrow resonances in QCD suggests that the strong electroweak breaking sector contains narrow resonances that decay to t̅ t or t̅ b/b̅ t, with potentially significant branching fractions to 3 or more longitudinal W and Z bosons. These may give new “smoking gun” signals of strong electroweak symmetry breaking.