The approximate U(2)^3 symmetry exhibited by the quark sector of the Standard Model, broken in specific directions dictated by minimality, can explain the current success of the CKM picture of flavour and CP violation while allowing for large deviations from it at foreseen experiments. The embedding of this symmetry in specific models also leaves space to satisfy collider and precision bounds without spoiling the naturalness of the theory.
Sala F. (2013). Phenomenology of a U(2)^3 flavour symmetry. ARISF.
Phenomenology of a U(2)^3 flavour symmetry
Sala F.
2013
Abstract
The approximate U(2)^3 symmetry exhibited by the quark sector of the Standard Model, broken in specific directions dictated by minimality, can explain the current success of the CKM picture of flavour and CP violation while allowing for large deviations from it at foreseen experiments. The embedding of this symmetry in specific models also leaves space to satisfy collider and precision bounds without spoiling the naturalness of the theory.File in questo prodotto:
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