Limitations of B-meson mixing bounds on technicolor theories

Details Limitations of B-meson mixing bounds on technicolor theories Limitations of B-meson mixing bounds on technicolor theories

2001-11-03

arxiv.org/abs/hep-ph/0111032v4

Phys.Lett. B526 (2002) 365-369

Physics

High Energy Physics

High Energy Physics - Phenomenology

6 pages, LaTeX; added a reference; added references and discussion

Scientific paper

10.1016/S0370-2693(01)01506-4

Recent work by Burdman, Lane, and Rador has shown that B-meson mixing places stringent lower bounds on the masses of topgluons and Z' bosons in classic topcolor-assisted technicolor (TC2) models. This paper finds analogous limits on the Z' bosons of flavor-universal TC2 and non-commuting extended technicolor models, and compares the limits with those from precision electroweak measurements. A discussion of the flavor structure of these models (contrasted with that of classic TC2) shows that B-meson mixing is a less reliable probe of these models than of classic TC2.

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