Abstract
In this section we construct a novel 5D orbifold GUT with an E6 gauge symmetry. We take the 5D gauge field, given by (V, Σ), in the adjoint representation (78) of E6. In addition to this we add a matter hypermultiplet \((\mathbf{27} + \mathbf{\overline{27}})\).
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- 1.
In this breaking scheme, the brane at y = 0 has an SO(10) symmetry, whereas the brane at y = π R has an SU(6) × SU(2) R symmetry. The overlap is Pati–Salam. See Fig. 16.1.
- 2.
This superpotential could, in principle, be localized on the SO(10) brane.
- 3.
In the latter case we would need to give mass to the extra states which are not in the MSSM.
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Raby, S. (2017). An E6 Orbifold GUT in 5D. In: Supersymmetric Grand Unified Theories. Lecture Notes in Physics, vol 939. Springer, Cham. https://doi.org/10.1007/978-3-319-55255-2_16
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DOI: https://doi.org/10.1007/978-3-319-55255-2_16
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Publisher Name: Springer, Cham
Print ISBN: 978-3-319-55253-8
Online ISBN: 978-3-319-55255-2
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