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Upper Bound of Proton Life-Time in Product-Group Unification
Models of supersymmetric grand unified theories based on SU(5)_GUT \times U(N)_H gauge group (N = 2,3) have a symmetry that guarantees light two Higgs doublets and absence of dimension-five proton decay operators. We analysed the proton decay induced by gauge-boson exchange in the models. Upper boun...
| Autores principales: | , |
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| Lenguaje: | eng |
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2003
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| Acceso en línea: | https://dx.doi.org/10.1103/PhysRevD.67.114021 http://cds.cern.ch/record/609169 |