Rare Decays with a Light CP-Odd Higgs Boson in the NMSSM

Details Rare Decays with a Light CP-Odd Higgs Boson in the NMSSM Rare Decays with a Light CP-Odd Higgs Boson in the NMSSM

2008-03-30

arxiv.org/abs/0803.4330v1

JHEP0806:002,2008

Physics

High Energy Physics

High Energy Physics - Phenomenology

17 pages, 11 figures

Scientific paper

10.1088/1126-6708/2008/06/002

We have previously proposed a light pseudoscalar Higgs boson in the next-to-minimal supersymmetric standard model (NMSSM), the A_1^0, as a candidate to explain the HyperCP observations in Sigma^+ -> p mu^+ mu^-. In this paper we calculate the rates for several other rare decay modes that can help confirm or refute this hypothesis. The first modes we evaluate are K_L -> pi pi A_1^0, which are interesting because they are under study by the KTeV Collaboration. We next turn to eta -> pi pi A_1^0, which are interesting because they are independent of the details of the flavor-changing sector of the NMSSM and may be accessible at DAPhNE. For completeness, we also evaluate Omega^- -> Xi^- A_1^0.

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