The upper bound on the lightest Higgs mass in the NMSSM revisited

Abstract

We update the upper bound on the lightest CP even Higgs mass in the NMSSM, which is given as a function of tan(beta) and lambda. We include the available one and two loop corrections to the NMSSM Higgs masses, and constraints from the absence of Landau singularities below the GUT scale as well as from the stability of the NMSSM Higgs potential. For m_top varying between 171.4 and 178 GeV, squark masses of 1 TeV and maximal mixing the upper bound is assumed near tan(beta) ~ 2 and varies between 139.9 and 141.4 GeV.

13 pages, 2 figures, improved figures with a numerical bug corrected, additional discussions of the large tan(beta) regime and the dependence of the upper bound on lambda

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• Triplet Extended Supersymmetric Standard Model
• Light Higgs Mass Bound in SUSY Left-Right Models
• Precision measurements, dark matter direct detection and LHC Higgs searches in a constrained NMSSM
• The Supersymmetric Standard Models with a Pseudo-Dirac Gluino from Hybrid $F-$ and $D-$Term Supersymmetry Breakings
• Neutral scalar Higgs bosons in the USSM at the LHC
• Vacuum (meta-)stability in the $\mu \nu$SSM
• The SM and SUSY after the 2011 LHC results
• Constrained Dirac gluino mediation
• Lepton-flavor violation and two loop electroweak corrections to $(g-2{)}_{\mu }$ in the triplets
• The Next-to-Minimal Supersymmetric Standard Model: an overview