Minimal Seesaw as an Ultraviolet Insensitive Cure for the Problems of Anomaly Mediation
arXiv:0707.0020 · doi:10.1103/PhysRevD.77.053013
Abstract
We show that an intermediate scale supersymmetric left-right seesaw scenario with automatic R-parity conservation can cure the problem of tachyonic slepton masses that arises when supersymmetry is broken by anomaly mediation, while preserving ultraviolet insensitivity. The reason for this is the existence of light B - L = 2 higgses with yukawa couplings to the charged leptons. We find these theories to have distinct predictions compared to the usual mSUGRA and gauge mediated models as well as the minimal AMSB models. Such predictions include a condensed gaugino mass spectrum and possibly a correspondingly condensed sfermion spectrum.
arXiv comment19 pages, 1 figure
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- Low-scale Inflation and Supersymmetry Breaking in Racetrack Models
- Seesaw Extended MSSM and Anomaly Mediation without Tachyonic Sleptons
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