Higgs bosons in the NMSSM with exact and slightly broken PQ-symmetry
Miller, D. J. · Moretti, S. · Nevzorov, R.
الأصل · EN
We explore the Higgs sector of the NMSSM in the limit when the Peccei--Quinn symmetry is exact or only slightly broken. In this case the Higgs spectrum has a hierarchical structure which is caused by the stability of the physical vacuum. We find a strong correlation between the parameters of the NMSSM if κ=0 or κ λ². It allows one to distinguish the NMSSM with exact or softly broken PQ-symmetry from the MSSM even when extra scalar and pseudoscalar Higgs states escape direct detection.
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