Perturbative Unitarity Constraints on a Supersymmetric Higgs Portal
High Energy Physics - Phenomenology
2014-07-03 v1
Abstract
We place perturbative unitarity constraints on both the dimensionful and dimensionless couplings in the Next-to-Minimal Supersymmetric Standard Model Higgs Sector. These constraints, plus the requirement that the singlino and/or Higgsino constitutes at least part of the observed dark matter relic abundance, generate upper bounds on the Higgs and neutralino/chargino mass spectrum. We obtain an upper bound of 12 TeV for the charginos and neutralinos and 20 TeV for the heavy Higgses outside defined fine-tuned regions. By using the NMSSM as a template, we describe a method which replaces naturalness arguments with more rigorous perturbative unitarity arguments to get a better understanding of when new physics will appear.
Cite
@article{arxiv.1407.0395,
title = {Perturbative Unitarity Constraints on a Supersymmetric Higgs Portal},
author = {Kassahun Betre and Sonia El Hedri and Devin G. E. Walker},
journal= {arXiv preprint arXiv:1407.0395},
year = {2014}
}
Comments
5 pages, 3 figures