Vector-like quarks in a composite Higgs model
High Energy Physics - Phenomenology
2009-03-12 v2
Abstract
Vector-like quarks are a common feature of "composite" Higgs models, where they intervene in cutting off the top-loop contribution to the Higgs boson mass and may, at the same time, affect the Electroweak Precision Tests (EWPT). A model based on SO(5)/SO(4) is here analyzed. In a specific non minimal version, vector-like quarks of mass as low as 300-500 GeV are allowed in a thin region of its parameter space. Other models fail to be consistent with the EWPT.
Cite
@article{arxiv.0806.1472,
title = {Vector-like quarks in a composite Higgs model},
author = {Paolo Lodone},
journal= {arXiv preprint arXiv:0806.1472},
year = {2009}
}
Comments
17 pages with 8 figures Small modifications according to JHEP requirements