Hefty MSSM-like light Higgs in extended gauge models
High Energy Physics - Phenomenology
2015-05-30 v2 High Energy Physics - Experiment
Abstract
It is well known that in the MSSM the lightest neutral Higgs h^0 must be, at the tree level, lighter than the Z boson and that the loop corrections shift this stringent upper bound up to about 130 GeV. Extending the MSSM gauge group in a suitable way, the new Higgs sector dynamics can push the tree-level mass of h^0 well above the tree-level MSSM limit if it couples to the new gauge sector. This effect is further pronounced at the loop level and h^0 masses in the 140 GeV ballpark can be reached easily. We exemplify this for a sample setting with a low-scale U(1)_R x U(1)_B-L gauge symmetry in which neutrino masses can be implemented via the inverse seesaw mechanism.
Cite
@article{arxiv.1110.3037,
title = {Hefty MSSM-like light Higgs in extended gauge models},
author = {Martin Hirsch and Michal Malinsky and Werner Porod and Laslo Reichert and Florian Staub},
journal= {arXiv preprint arXiv:1110.3037},
year = {2015}
}
Comments
14 pages, 3 figures; references added, typos corrected; published version