Proton Decay in the Semi-Simple Unification

Details Proton Decay in the Semi-Simple Unification Proton Decay in the Semi-Simple Unification

2001-12-11

arxiv.org/abs/hep-ph/0112152v1

Phys.Lett. B527 (2002) 106-114

Physics

High Energy Physics

High Energy Physics - Phenomenology

16 pages, including 2 tables and 3 figures, UT-978

Scientific paper

10.1016/S0370-2693(02)01181-4

Semi-simple unification is one of a model which naturally solves two difficulties in the supersymmetric grand unification theory: doublet-triplet splitting problem and suppression of dimension 5 proton decay. We analyzed the dimension 6 proton decay of this model using perturbative analysis at the next-to-leading order. The life time of proton is 3 \times 10^{34} - 10^{35} years for wide range of SUSY breaking parameters, and there is an intriguing possibility of observing proton decay signals in the next-generation water Cherenkov detectors such as Hyper-Kamiokande and TITAND. Several uncertainties in this prediction are also discussed.

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