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Probing NMSSM Scenarios with Minimal Fine-Tuning by Searching for Decays of the Upsilon to a Light CP-Odd Higgs Boson | | Radovan Dermisek
; John F. Gunion
; Bob McElrath
; | | Date: |
5 Dec 2006 | | Abstract: | Completely natural electroweak symmetry breaking is easily achieved in supersymmetric models if there is a SM-like Higgs boson, $h$, with $m_hlsim 100gev$. In the minimal supersymmetric model, such an $h$ decays mainly to $banti b$ and is ruled out by LEP constraints. However, if the MSSM Higgs sector is expanded so that $h$ decays mainly to still lighter Higgs bosons, e.g. $h o aa$, with $BR(h o aa)>0.7$, and if $m_a<2m_b$, then the LEP constraints are satisfied. In this letter, we show that in the next-to-minimal supersymmetric model the above $h$ and $a$ properties (for the lightest CP-even and CP-odd Higgs bosons, respectively) imply a lower bound on $BR(Upsilon o gam a)$ that dedicated runs at present (and future) $B$ factories can explore. | | Source: | arXiv, hep-ph/0612031 | | Services: | Forum | Review | PDF | Favorites | |
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