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Phys. Rev. D 60, 015005 (1999) [8 pages]

Constraints on top-color assisted technicolor models from vertex corrections

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Will Loinaz* and Tatsu Takeuchi
Institute for Particle Physics and Astrophysics, Physics Department, Virginia Tech, Blacksburg, Virginia 24061-0435

Received 16 December 1998; published 27 May 1999

We use the LEP-SLD data to place constraints on top-color assisted technicolor models. We find that, due to a large negative shift in Rb induced by charged top-pion exchange, it is difficult to make the models compatible with experiment.

© 1999 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevD.60.015005
DOI:
10.1103/PhysRevD.60.015005
PACS:
12.60.Cn, 12.60.Nz, 13.38.Dg

*Electronic address: loinaz@alumni.princeton.edu

Electronic address: takeuchi@vt.edu