Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1994-04-10
Phys.Rev.D50:4581-4588,1994
Physics
High Energy Physics
High Energy Physics - Phenomenology
(Latex file, 12 pages. Two figures available upon request). CMU-preprint
Scientific paper
10.1103/PhysRevD.50.4581
We present a model which supplements the Standard Electroweak Model with three right-handed neutrinos and one extra scalar doublet which does not develop a vacuum expectation value. With the aid of a discrete symmetry the neutrinos are kept strictly massless. This model has several interesting features. It has unsuppressed lepton flavour violating processes, in particular $\mu \rightarrow e \gamma$, hinting at the possibility that these may soon be within experimental reach. The $Z$ and $W$ interactions become non-diagonal at one loop level. In particular, a non-trivial leptonic mixing matrix is seen to arise from the clash between the charged gauge boson and the charged scalar interactions.
Barroso Augusto
Silva Joao P.
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