Electroweak precision constraints on the Lee-Wick Standard Model
High Energy Physics - Phenomenology
2008-10-21 v1
Abstract
We present the constraints on the parameter space of the Lee-Wick Standard Model coming from electroweak precision observables. The model predicts a large positive S and a negative T. We show that it is possible to find some regions in parameter space with a fermionic state as light as 2.4-3.5 TeV. We also propose a simple extension of the model including a fourth generation. In this case it is possible to pass the electroweak constraints with Lee-Wick fermionic masses of order 0.4-1.5 TeV and Lee-Wick gauge masses of order 3 TeV.
Cite
@article{arxiv.0810.3463,
title = {Electroweak precision constraints on the Lee-Wick Standard Model},
author = {Ezequiel Alvarez and Leandro Da Rold and Carlos Schat and Alejandro Szynkman},
journal= {arXiv preprint arXiv:0810.3463},
year = {2008}
}
Comments
Parallel talk at ICHEP08, Philadelphia, USA, July 2008. 4 pages, 5 figures