Proton decay and grand unification
arXiv:0912.5375 · doi:10.1063/1.3327552
Abstract
I review the theoretical and experimental status of proton decay theory and experiment. Regarding theory, I focus mostly, but not only, on grand unification. I discuss only the minimal, well established SU(5) and SO(10) models, both ordinary and supersymmetric. I show how the minimal realistic extensions of the original Georgi - Glashow model can lead to interesting LHC physics, and I demonstrate that the minimal supersymmetric SU(5) theory is in perfect accord with experiment. Since no universally accepted model has of yet emerged, I discuss the effective operator analysis of proton decay and some related predictions from a high scale underlying theory. A strong case is made for the improvement of experimental limits, or better the search of, two body neutron decay modes into charged kaons and charged leptons. Their discovery would necessarily imply a low energy physics since they practically vanish in any theory with a desert in energies between M_W and M_GUT.
Based on the plenary talks at the SUSY09 and PASCOS09 conferences
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- Perturbative Renormalization of Neutron-Antineutron Operators
- What if Supersymmetry Breaking Unifies beyond the GUT Scale?
- Electroweak Symmetry Breaking and Proton Decay in SO(10) SUSY-GUT with TeV W_R
- Proton decay and light sterile neutrinos
- Grand unified hidden-sector dark matter
- Adjoint GUT model with flavor symmetry
- Flavor unification, dark matter, proton decay and other observable predictions with low-scale symmetry
- Aspects of symmetry breaking in Grand Unified Theories
- Surveying the SO(10) Model Landscape: The Left-Right Symmetric Case
- A Detailed Analysis of Flavour-changing Decays of Top Quarks as a Probe of New Physics at the LHC
- Type II see-saw dominance in SO(10)
- Proton Stability: From the Standard Model to Beyond Grand Unification
- Unified dark matter with intermediate symmetry breaking scales
- Employing nucleon decay as a fingerprint of SUSY GUT models using \texttt{SusyTCProton}
- Supersymmetry and Unification: Heavy Top Was the Key
- Masses and Mixing of Neutral Leptons in a Grand Unified E_6 Model with Intermediate Pati-Salam Symmetry
- Flavor Symmetries in an SU(5) Model of Grand Unification
- Embedding Zprime models in SO(10) GUTs
- Discovery goals and opportunities in high energy physics: a defense of BSM-oriented exploration over signalism