Abstract
The recently reported measurement of the muon's anomalous magnetic moment differs from the standard model prediction by 2.6 sigma. We examine the implications of this discrepancy for supersymmetry. Deviations of the reported magnitude are generic in supersymmetric theories. Based on the new result, we derive model-independent upper bounds on the masses of observable supersymmetric particles. We also examine several model frameworks. The sign of the reported deviation is as predicted in many simple models, but disfavors anomaly-mediated supersymmetry breaking.
Highlights
Measurements of spin magnetic dipole moments have a rich history as harbingers of profound progress in particle physics
We examine the implications of this discrepancy for supersymmetry
The sign of the reported deviation is as predicted in many simple models, but disfavors anomaly-mediated supersymmetry breaking
Summary
Measurements of spin magnetic dipole moments have a rich history as harbingers of profound progress in particle physics. The recently reported measurement of the muon’s anomalous magnetic moment differs from the standard model prediction by 2.6s. Based on the new result, we derive model-independent upper bounds on the masses of observable supersymmetric particles.
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