See-saw and supersymmetry or exact R-parity

CS Aulakh, A Melfo, A Rašin, G Senjanović - Physics Letters B, 1999 - Elsevier
Physics Letters B, 1999Elsevier
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.
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.
Elsevier
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