Determining the Mass for a Light Gravitino
arXiv:0705.0219 · doi:10.1016/j.physletb.2007.05.063
Abstract
Gauge mediated supersymmetry breaking scenarios with an ultra-light gravitino of mass m_{3/2}=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.
9 pages, 12 figures
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Cited by in corpus (10)
- Long-Lived Unstable Superparticles at the LHC
- Sneutrino Chaotic Inflation and Landscape
- Conformal Gauge Mediation and Light Gravitino of Mass m_{3/2} <O(10) eV
- Constraining Light Gravitino Mass from Cosmic Microwave Background
- Determining the mass for an ultralight gravitino at LHC
- Minimal Direct Gauge Mediation
- Stability of Metastable Vacua in Gauge Mediated SUSY Breaking Models with Ultra Light Gravitino
- Low-scale Gauge Mediation after LHC Run 2
- Constraining light gravitino mass with 21 cm line observation
- Discriminating Minimal SUGRA and Minimal Gauge Mediation Models at the Early LHC