Extra Gauge Invariance from an Extra Dimension
High Energy Physics - Phenomenology
2008-11-26 v1 High Energy Physics - Theory
Abstract
We describe higher-dimensional theories whose low-energy 4D descriptions contain larger gauge or global symmetry groups. As an example, we construct a Higgsless SU(2) x U(1) model of electroweak symmetry breaking. The 5D SU(2) gauge invariance contains both the weak SU(2) gauge group and a custodial symmetry that protects the rho parameter. Fermions obtain isospin-violating masses while maintaining universal gauge couplings among all three generations. As a further example, we construct a model of chiral color based on a single SU(3).
Cite
@article{arxiv.0802.3702,
title = {Extra Gauge Invariance from an Extra Dimension},
author = {Christopher D. Carone and Joshua Erlich and Marc Sher},
journal= {arXiv preprint arXiv:0802.3702},
year = {2008}
}
Comments
4 pages, 1 eps figure, RevTeX4