hep-ph/9606233

Precision Electroweak Constraints on Top-Color Assisted Technicolor

Authors: R.S. Chivukula, J. Terning
Comments: 14 pages, LaTeX, 3 embedded figures, figures are also available at this http URL
Report-no: BUHEP-96-12
Journal-ref: Phys.Lett. B385 (1996) 209

Using precision electroweak data, we put limits on ``natural'' top-color assisted technicolor models. Generically the new $U(1)$ gauge bosons in these models must have masses larger than roughly 2 TeV, although in certain (seemingly unrealistic) models the bound can be much lower.