paper

Probing the messenger of supersymmetry breaking by the muon anomalous magnetic moment

arXiv:hep-ph/0103048 · doi:10.1103/PhysRevD.64.055001

Abstract

Motivated by the recently measured muon's anomalous magnetic moment , we examine the supersymmetry contribution to in various mediation models of supersymmetry breaking which lead to predictive flavor conserving soft parameters at high energy scale. The studied models include dilaton/modulus-mediated models in heterotic string/ theory, gauge-mediated model, no-scale or gaugino-mediated model, and also the minimal and deflected anomaly-mediated models. For each model, the range of allowed by other experimental constraints, e.g. b --> sγand the collider bounds on superparticle masses, is obtained together with the corresponding parameter region of the model. Gauge-mediated models with low messenger scale can give any within the bound. In many other models, b --> sγfavors smaller than either the value () or the central value ().

RevTeX, 29 pages, 14 eps figures, figure for deflected anomaly mediation is corrected, reference added

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