Spontaneous CP Violation in the Next-to-Minimal Supersymmetric Standard Model

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dc.creatorBranco, G. C.
dc.creatorKrüger, F.
dc.creatorRomão, J. C.
dc.creatorTeixeira, A. M.
dc.date2001-10-26
dc.date2001-10-29
dc.date.accessioned2026-07-07T03:45:38Z
dc.date.available2026-07-07T03:45:38Z
dc.descriptionWe re-examine spontaneous $\cp$ violation (SCPV) at the tree level in the context of the next-to-minimal supersymmetric standard model (NMSSM) with two Higgs doublets and a gauge singlet field. We analyse the most general Higgs potential without a discrete $Z_3$ symmetry, and derive an upper bound on the mass of the lightest neutral Higgs boson. We estimate $\epsi_K$ by applying the mass insertion approximation, finding that in order to account for the for the observed $\cp$ violation in the neutral kaon sector a non-trivial flavour structure in the soft-breaking $A$ terms is required and that the upper bound on the lightest Higgs-boson mass becomes stronger. We also discuss the implications of electric dipole moments of the electron and the neutron in SUSY models with SCPV.
dc.description5 pages, 2 figures, uses JHEP LaTeX. Talk presented by A. Teixeira at the International Europhysics Conference on High Energy Physics (HEP2001), Budapest, Hungary, 12-18 July 2001. To appear in the proceedings
dc.identifierhttps://arxiv.org/abs/hep-ph/0110350
dc.identifierhttp://arxiv.org/abs/hep-ph/0110350
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/40997
dc.subjectHigh Energy Physics - Phenomenology
dc.titleSpontaneous CP Violation in the Next-to-Minimal Supersymmetric Standard Model
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