Bounds on Bosonic Topcolor

Abstract

We consider the phenomenology of models in which electroweak symmetry breaking is triggered by new strong dynamics affecting the third generation and is transmitted to the light fermions via a fundamental Higgs doublet. While similar in spirit to the old bosonic technicolor idea, such `bosonic topcolor' models are allowed by current phenomenological constraints, and may arise naturally in models with large extra dimensions. We study the parameter space of a minimal low-energy theory, including bounds from Higgs boson searches, precision electroweak parameters, and flavor changing neutral current processes. We show that the model can provide a contribution to D0-D0-bar mixing as large as the current experimental bound.

16 pages RevTeX, 3 Figures

References in corpus (1)

• Electroweak Model and Constraints on New Physics

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