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We study the NMSSM with universal Susy breaking terms (besides the Higgssector) at the GUT scale. Within this constrained parameter space, it is not difficultto find a Higgs boson with a mass of about 125 GeV and an enhanced cross-section inthe diphoton channel. An additional lighter Higgs boson with reduced couplings and amass ≲ 123 GeV is potentially observable at the LHC. The NMSSM-specific Yukawacouplings λ and κ are relatively large and tan β is small, such that λ, κ, and the topYukawa coupling are of (1) at the GUT scale. The lightest stop can be as lightas 105 GeV, and the fine-tuning is modest. WMAP constraints can be satisfied bya dominantly Higgsino-like LSP with substantial bino, wino, and singlino admixturesand a mass of ~60–90 GeV, which would potentially be detectable by XENON100

Higgs Bosons Near 125 GeV in the NMSSM with Constraints at the GUT Scale