The oblique S parameter in higgsless electroweak models
High Energy Physics - Phenomenology
2015-06-11 v1
Abstract
We present a one-loop calculation of the oblique S parameter within Higgsless models of electroweak symmetry breaking. We have used a general effective Lagrangian with at most two derivatives, implementing the chiral symmetry breaking SU(2)_L x SU(2)_R -> SU(2)_{L+R} with Goldstones, gauge bosons and one multiplet of vector and axial-vector resonances. The estimation is based on the short-distance constraints and the dispersive approach proposed by Peskin and Takeuchi.
Cite
@article{arxiv.1209.2269,
title = {The oblique S parameter in higgsless electroweak models},
author = {Ignasi Rosell},
journal= {arXiv preprint arXiv:1209.2269},
year = {2015}
}
Comments
5 pages, 2 figures. Talk given at QCD@work 2012, International Workshop on Quantum Chromodynamics: Theory and Experiment, 18-21th June (2012), Lecce (Italy)