Abstract
We discuss various weak-interaction issues for a general class of models within the SU(2) × U(1) gauge-theory framework, with special emphasis on the effects of right-handed charged currents and of quarks bearing new quantum numbers. In particular we consider the restrictions on model building which are imposed by the small mass difference and by the rule, and we classify various possibilities for neutral current interactions and, in the case of heavy mesons with new quantum numbers, various possibilities for mixing effects analogous to mixing.
- Received 19 June 1975
DOI:https://doi.org/10.1103/PhysRevD.12.2768
©1975 American Physical Society