Two-loop Barr-Zee type Contributions to (g-2)μ in the MSSM
Arhrib, Abdesslam · Baek, Seungwon
Original · EN
We consider the contribution of a two-loop Barr-Zee type diagram to (g-2)μ in the minimal supersymmetric standard model (MSSM). At relatively large β, we show that the contribution of light third generation scalar fermions and neutral CP-even Higgs, h⁰(H⁰), can easily explain the very recent BNL experimental data. In our analysis (g-2)μ prefers negative Af and positive μ. It is more sensitive to the chirality flipping h⁰(H⁰)fᵣ*fₗ rather than chirality conserving couplings.
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