Abstract
We begin with an E8 × E8 Heterotic model broken to an SU(5)gauge × U(1)X and a twin SU(5)gauge × U(1)X, where one SU(5) and its spectrum is identified as the visible sector while the other can be identified as a hidden twin sector. In both cases we obtain the minimal supersymmetric standard model (MSSM) spectrum after Wilson-line symmetry-breaking enhanced by a low energy R-parity and \( {\mathbb{Z}}_4^R \) symmetry. We argue that there will not be any observable proton decay in this model.
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Acknowledgments
SR thanks Junichiro Kawamura for useful comments and also acknowledges partial support from Department of Energy grant DE-SC0011726.
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Clemens, H., Raby, S. The absence of observable proton decay in a global SU(5) F-theory model. J. High Energ. Phys. 2023, 181 (2023). https://doi.org/10.1007/JHEP10(2023)181
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DOI: https://doi.org/10.1007/JHEP10(2023)181