Andrea Brignole, Elena Perazzi, Fabio Zwirner
Published 1999-04-16, updated 1999-09-03Version 3
We perform a general analysis of the contributions to the muon anomalous magnetic moment in models with a superlight gravitino. We discuss the interpretation and the phenomenological implications of the results. We find that present constraints on the model parameters are comparable and complementary to the ones coming from collider searches and from perturbative unitarity. However, the Brookhaven E821 experiment will probe large unexplored regions of parameter space.
Comments: Now 19 A4 pages, 2 figures. Expanded version to be published in JHEP. A section of final comments and other minor comments added
Journal: JHEP 9909 (1999) 002
Muon (g-2) in models with a very light gravitino
Can the Two-Higgs-Doublet Model Survive the Constraint from the Muon Anomalous Magnetic Moment as Suggested?
Status of the Hadronic Light-by-Light Contribution to the Muon Anomalous Magnetic Moment
