Precision Electroweak Constraints on Top-Color Assisted Technicolor
R. S. Chivukula, J. Terning
Abstract
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.
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