Natural flavour conservation in the neutral currents and the determination of the Cabibbo angle |
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| Authors: | R Gatto G Morchio F Strocchi |
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| Institution: | Département de Physique Théorique, Université de Genève, Geneva, Switzerland;Istituto di Fisica dell''Università, Pisa, Italy;CERN, Geneva, Switzerland |
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| Abstract: | We point out a conflict between the requirement of natural flavour conservation in the neutral currents and the possibility of determining the generalized Cabibbo angles as a function of the quark masses in the SU(2) × U(1) and in the SU(2)L × SU (2)R × U (1) models. The general implications of natural flavour conservation in the neutral currents on the fermion mass matrices are also discussed. |
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