The three- and four-Higgs couplings in the general two-Higgs-doublet model
Abstract
We apply the unitarity bounds and the bounded-from-below (BFB) bounds to the most general scalar potential of the two-Higgs-doublet model (2HDM). We do this in the Higgs basis, i.e. in the basis for the scalar doublets where only one doublet has vacuum expectation value. In this way we obtain bounds on the scalar masses and couplings that are valid for all 2HDMs. We compare those bounds to the analogous bounds that we have obtained for other simple extensions of the Standard Model (SM), namely the 2HDM extended by one scalar singlet and the extension of the SM through two scalar singlets.
Keywords
Cite
@article{arxiv.1807.04244,
title = {The three- and four-Higgs couplings in the general two-Higgs-doublet model},
author = {D. Jurciukonis and L. Lavoura},
journal= {arXiv preprint arXiv:1807.04244},
year = {2018}
}
Comments
43 pages, 17 figures. In version 2 added new references. Version 3 has many modifications, including modified figures and conclusions, and also three new appendices. Version 4 matches published version