Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2002-11-30
Phys.Lett. B564 (2003) 73-82
Physics
High Energy Physics
High Energy Physics - Phenomenology
13 pages, 6 figures
Scientific paper
10.1016/S0370-2693(03)00658-0
We study the deflected anomaly-mediated supersymmetry breaking (AMSB) scenario in the light of the recent result of the muon g-2 from Brookhaven E821 experiment. The E821 result suggests the deviation from the SM prediction, though there remain unsettled uncertainties. We find that the supersymmetric contribution to the muon g-2 can be \mathcal{O}(10^{-9}), large enough to fill the deviation, with other experimental constraints satisfied. In particular, the Higgs mass and b \to s \gamma put severe constraints on the model and large \tan\beta is favored to enhance the muon g-2.
Abe Nobutaka
Endo Motoi
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