Symmetry breaking of the symmetric left-right model without a scalar bidoubletF. Siringo
Dipartimento di Fisica e Astronomia, Università di Catania, INFN Sezione di Catania and INFM UdR di Catania, Via S. Sofia 64, 95123 Catania, Italy email@example.com
(Received: 10 August 2003 / Revised version: 18 October 2003/ / Published online: 18 December 2003 )
By invoking the existence of a general O(2) symmetry, a minimal left-right symmetric model based on the gauge group is shown to require the existence of only two physical Higgs bosons. The lighter Higgs is predicted to have a small mass which could be evaluated by standard perturbation theory. The fermionic mass matrices are recovered by insertion of ad hoc fermion-Higgs interactions. The model is shown to be undistinguishable from the standard model at the currently reachable energies.
© Società Italiana di Fisica, Springer-Verlag 2004