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Updated: Aug 9, 2026

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Setting Limits on Supersymmetry Using Simplified Models
Published on: November 15, 2013
Flavor- and CP-violating physics from new supersymmetric thresholds
Maxim Pospelov1, Adam Ritz, Yudi Santoso
1Perimeter Institute for Theoretical Physics, Waterloo, Ontario N2J 2W9, Canada.
Physical Review Letters
|April 12, 2006
Summary
This study explores dimension-five operators in supersymmetry, revealing sensitivity to high energy scales. Stringent experimental limits probe new physics beyond the Standard Model.
Area of Science:
- Theoretical Particle Physics
- Supersymmetry Beyond the Standard Model
Background:
- The Minimal Supersymmetric Standard Model (MSSM) is treated as an effective theory.
- Dimension-five operators in the superpotential can impact flavor- and CP-violating processes.
Purpose of the Study:
- To investigate the observable effects of dimension-five operators in flavor- and CP-violating processes.
- To determine the sensitivity to high energy scales (Lambda) under the assumption of weak-scale supersymmetry.
Main Methods:
- Exploiting the linear decoupling of observable effects with respect to the new threshold scale.
- Combining weak-scale supersymmetry with stringent experimental limits on electric dipole moments and lepton-flavor-violating processes.
Main Results:
- Sensitivity to Lambda scales as high as 10^7-10^9 GeV is achieved.
- Sensitivity up to 10^17 GeV is possible through the theta term.
- Future experiments could probe high-energy scales suggested by neutrino physics.
Conclusions:
- Weak-scale supersymmetry, coupled with current experimental constraints, offers significant sensitivity to high-energy physics.
- Next-generation experiments hold the potential to directly explore energy scales relevant to neutrino physics.
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