arXiv:hep-ph/9812377·v1·High Energy Physics — Phenomenology
Constraints on Topcolor Assisted Technicolor Models from Vertex Corrections
Will Loinaz🇺🇸 · Tatsu Takeuchi (Virginia Tech)🇺🇸
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.
Comments: 16 pages, 2 figures