Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2005-04-14
Nucl.Phys. B730 (2005) 223-238
Physics
High Energy Physics
High Energy Physics - Phenomenology
22 pages, 2 figures, typos in neutrino mass squared differences corrected
Scientific paper
10.1016/j.nuclphysb.2005.10.002
We propose a supersymmetric SU(5)xSU(5) model, where the quarks and leptons live in a U(1) product group theory space that is compactified on the real projective plane RP^2. The fermion generations are placed on different points in the deconstructed manifold by assigning them SO(10) compatible U(1) charges. The observed masses and mixing angles of quarks and leptons emerge from non-renormalizable operators involving the chiral link fields. The link fields introduce a large atmospheric neutrino mixing angle \theta_23 via a dynamical realization of the seesaw mechanism, which sets the deconstruction scale to a value of the order the B-L breaking scale 10^14 GeV. Supersymmetry breaking can be achieved through topological effects due to a non-trivial homology group Z_2. The mixed anomalies of the link fields are canceled by Wess-Zumino terms, which are local polynomials in the gauge and link fields only. We also comment on the construction of Chern-Simons couplings from these fields.
Enkhbat Tsedenbaljir
Seidl Gerhart
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