paper

See-saw and Supersymmetry or Exact R-parity

arXiv:hep-ph/9902409 · doi:10.1016/S0370-2693(99)00708-X

Abstract

We show how the renormalizable see-saw mechanism in the context of supersymmetry and spontaneously broken B-L symmetry implies exact R-parity at all energies. We argue that supersymmetry plays an important role in providing a "canonical" form for the see-saw, in particular in grand unified theories that solve the doublet-triplet splitting problem via the Dimopoulos-Wilczek mechanism.

4 pages, 1 figure. Minor changes and 2 references added, one corrected

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