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Supersymmetric alignment models for $$(g - 2)_μ$$

Journal Article · · Journal of High Energy Physics (Online)
 [1];  [2];  [3]
  1. Shanghai Jiao Tong University (China); Harvard Univ., Cambridge, MA (United States)
  2. Harvard University, Cambridge, MA (United States)
  3. Shanghai Jiao Tong University (China)
Hierarchical masses of quarks and leptons are addressed by imposing horizontal symmetries. In supersymmetric Standard Models, the same symmetries play a role in suppressing flavor violating processes induced by supersymmetric particles. Combining the idea of spontaneous CP violation to control contributions to electric dipole moments (EDMs), the mass scale of supersymmetric particles can be lowered. We present supersymmetric models with U(1) horizontal symmetries and discuss CP and flavor constraints. Models with two U(1) symmetries are found to give a viable solution to the muon g - 2 anomaly. Interestingly, the parameter space to explain the anomaly will be probed by future electron EDM experiments.
Research Organization:
Harvard University, Cambridge, MA (United States)
Sponsoring Organization:
Alfred P. Sloan Foundation; USDOE Office of Science (SC)
Grant/Contract Number:
SC0013607
OSTI ID:
1976556
Journal Information:
Journal of High Energy Physics (Online), Journal Name: Journal of High Energy Physics (Online) Journal Issue: 10 Vol. 2021; ISSN 1029-8479
Publisher:
Springer NatureCopyright Statement
Country of Publication:
United States
Language:
English

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