Bounds from Stability and Symmetry Breaking on Parameters in the Two-Higgs-Doublet Potential

Details Bounds from Stability and Symmetry Breaking on Parameters in the Two-Higgs-Doublet Potential Bounds from Stability and Symmetry Breaking on Parameters in the Two-Higgs-Doublet Potential

1993-07-06

arxiv.org/abs/hep-ph/9307224v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

from last year, but due to recent interest now on the e-print archive, 8 pages, no figures, plain latex

Scientific paper

The most general $SU(2)\times U(1)_Y$-symmetric quartic potential with two
Higgs doublets, subject to an only softly broken discrete symmetry
$(\phi_1,\phi_2)\to(-\phi_1,\phi_2)$, is considered. At tree-level, analytic
bounds on the parameters are derived that ensure a stable vacuum, breaking
$SU(2)\times U(1)_Y$ down to $U(1)_{em}$.

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