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Symmetry breaking of the symmetric left-right model without a scalar bidoublet

  • theoretical physics
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Abstract.

By invoking the existence of a general O(2) symmetry, a minimal left-right symmetric model based on the gauge group \(G = SU(2)_{\mathrm {L}}\otimes SU(2)_{\mathrm {R}}\otimes U(1)_{B-L}\) 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.

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Correspondence to F. Siringo.

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Received: 10 August 2003, Revised: 18 October 2003, Published online: 18 December 2003

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Siringo, F. Symmetry breaking of the symmetric left-right model without a scalar bidoublet. Eur. Phys. J. C 32, 555–559 (2004). https://doi.org/10.1140/epjc/s2003-01442-7

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  • DOI: https://doi.org/10.1140/epjc/s2003-01442-7

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