Low Mass Higgs Boson Consistent with Precision Experiments: A Consequence of Large Top-Yukawa Coupling in Condensate Models
High Energy Physics - Phenomenology
2007-05-23 v2
Abstract
It is shown, using dispersion relations techniques for bound states, that the presence of a large top-Yukawa coupling lowers the Higgs mass from the condensate-model value of twice the top mass (~350 Gev) to 100-200 Gev consistent with the Z(super 0) width precision measurements. The coupling is found to be ~3.7 at the top-mass, much larger than the Standard Model value ~1. It corresponds to a compositeness scale ~1.4 Tev, which is consistent with top-color models, and implies quite different scales for fermion mass generation and electroweak symmetry breaking. A second scalar state around 1 Tev also emerges as a solution in combination with the low mass Higgs.
Keywords
Cite
@article{arxiv.hep-ph/9906350,
title = {Low Mass Higgs Boson Consistent with Precision Experiments: A Consequence of Large Top-Yukawa Coupling in Condensate Models},
author = {Bipin R. Desai and Alexander R. Vaucher},
journal= {arXiv preprint arXiv:hep-ph/9906350},
year = {2007}
}
Comments
22 pages, 2 figures