New Third-family Flavor Physics: Vertex Corrections
B. Holdom
Abstract
As described previously, a new massive gauge boson (X) coupling only to the third family produces a tantalizing pattern of deviations away from the standard model. These include increasing Gammab/Gammah and decreasing the alphas(MZ) extracted from Gammah/Gammaell . We review the status of these X-Z mixing effects. We then calculate X boson induced vertex corrections to Z partial decay widths and to ttbar production in ppbar colliders.
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