Constraints on Topcolor Assisted Technicolor Models from Vertex Corrections
classification
✦ hep-ph
keywords
modelsassistedconstraintstechnicolortopcolorchargedcompatiblecorrections
read the original abstract
We use the LEP/SLD data to place constraints on Topcolor Assisted Technicolor Models. We find that due to a large negative shift in R_b induced by charged top-pion exchange, it is difficult to make the models compatible with experiment.
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