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Setting Limits on Supersymmetry Using Simplified Models
Published on: November 15, 2013
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Lepton flavor violation in flavored gauge mediation
Lorenzo Calibbi1, Paride Paradisi2, Robert Ziegler3
1Service de Physique Théorique, Université Libre de Bruxelles, 1050 Brussels, Belgium.
The European Physical Journal. C, Particles and Fields
|May 19, 2015
Summary
Flavored Gauge Mediation (FGM) models explain lepton flavor violation (LFV) and may resolve the muon g-2 anomaly. These models offer built-in flavor suppression, protecting against anomalies even with light superpartners.
Area of Science:
- Particle Physics
- Supersymmetry
- Flavor Physics
Background:
- Lepton flavor violation (LFV) is a key area of investigation in particle physics.
- Standard Model (SM) Yukawas and flavor hierarchies present theoretical challenges.
- Supersymmetry (SUSY) offers potential solutions but requires careful model building.
Purpose of the Study:
- Investigate the phenomenology of LFV within Flavored Gauge Mediation (FGM).
- Explore how FGM addresses flavor violation patterns and suppresses unwanted transitions.
- Examine the potential of FGM models to explain the muon g-2 anomaly.
Main Methods:
- Studying the anatomy and phenomenology of LFV within FGM.
- Utilizing flavor models that accommodate large neutrino mixing angles.
- Analyzing constraints from LFV processes and leptonic electric dipole moments (EDMs).
Main Results:
- FGM provides inherent flavor suppression mechanisms.
- Third-generation Yukawas offer additional protection against flavor-blind phases.
- FGM models can satisfy stringent LFV and EDM constraints even with light superpartners.
Conclusions:
- FGM offers a compelling framework for understanding LFV.
- The proposed FGM models show promise in resolving the muon g-2 anomaly.
- This work highlights the potential of FGM in addressing fundamental questions in particle physics.
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