Low Energy Consequences of Five Dimensional SO(10)

Bumseok Kyae; Chin-Aik Lee; Qaisar Shafi

doi:10.1016/j.nuclphysb.2004.02.001

paper

Low Energy Consequences of Five Dimensional SO(10)

arXiv:hep-ph/0309205 · doi:10.1016/j.nuclphysb.2004.02.001

Abstract

We consider five dimensional (5D) supersymmetric SO(10) compactified on the orbifold $S^{1} / (Z_{2} \times Z_{2}^{'})$ such that the SO(10) gauge symmetry is broken on both fixed points (branes), and the residual gauge symmetry is $S U (3)_{c} \times S U (2)_{L} \times U (1)_{Y} \times U (1)_{X}$ . We explore one example in which the gauge symmetries on the two branes are respectively $S U (5) \times U (1)_{X}$ and $S U (4)_{c} \times S U (2)_{L} \times S U (2)_{R}$ , and the MSSM gauge symmetry is recovered by the usual Higgs mechanism. We discuss how fermion masses and mixings can be understood in this framework by introducing a flavor $U (1)_{F}$ symmetry. Unification of the MSSM gauge couplings and proton stability are also considered. An order of magnitude increase in sensitivity could reveal proton decay.

1+23 pages, 2 figures, comments added, version to appear in NPB

Low Energy Consequences of Five Dimensional SO(10)

Abstract

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