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Alternative Theories of CP violation
Riccardo Barbieri, Lawrence Hall, Achille Stocchi +1
Recent improvements to the limit of Delta M_{B_s} imply that pure superweak theories, while not excluded, no longer provide a good fit to the data. A class of general superweak the…
New Mechanism of Flavor Symmetry Breaking from Supersymmetric Strong Dynamics
Christopher D. Carone, Lawrence J. Hall, Takeo Moroi
We present a class of supersymmetric models in which flavor symmetries are broken dynamically, by a set of composite flavon fields. The strong dynamics that is responsible for conf…
CP Violation from Slepton Oscillations at the LHC and NLC
Nima Arkani-Hamed, Hsin-Chia Cheng, Jonathan L. Feng +1
In supersymmetric theories the charged sleptons of different generations may oscillate amongst themselves while they decay. In the case of three generation oscillations, superpartn…
Neutrino physics from a U(2) flavor symmetry
Christopher D. Carone, Lawrence J. Hall
We consider the neutrino physics of models with a sequentially broken U(2) flavor symmetry. Such theories yield the observed pattern of quark and lepton masses, while maintaining s…
Consequences of a U(2) Flavour Symmetry
Riccardo Barbieri, Lawrence J. Hall, Andrea Romanino
While solving the supersymmetric flavour problem, a U(2) flavour symmetry might be at the origin of the pattern of fermion masses and mixings. The consequences of this hypothesis a…