Proton Life-Time Problem In Finite Grand Unified Theories

Details Proton Life-Time Problem In Finite Grand Unified Theories Proton Life-Time Problem In Finite Grand Unified Theories

1994-04-08

arxiv.org/abs/hep-ph/9404243v1

Phys.Lett.B332:88-92,1994

Physics

High Energy Physics

High Energy Physics - Phenomenology

10 pages, revtex, OITS-540

Scientific paper

10.1016/0370-2693(94)90863-X

We study proton decay in finite supersymmetric SU(5) grand unified theories.
We find that the dimension-five operators due to color triplet higgsino induce
too rapid a proton decay. This behaviour can be traced to the large Yukawa
couplings to the first generation that are necessary for finiteness.

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