| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 1853337 | Physics Letters B | 2007 | 5 Pages |
Abstract
Gauge mediated supersymmetry breaking scenarios with an ultra-light gravitino of mass m3/2=1–10 eVm3/2=1–10 eV are very interesting, since there is no cosmological gravitino problem. We propose a new experimental determination of the gravitino mass for such an ultra-light gravitino, by measuring a branching ratio of two decay modes of sleptons.
Related Topics
Physical Sciences and Engineering
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Authors
K. Hamaguchi, S. Shirai, T.T. Yanagida,