Low Energy Consequences of Five Dimensional SO(10)

Details Low Energy Consequences of Five Dimensional SO(10) Low Energy Consequences of Five Dimensional SO(10)

2003-09-17

arxiv.org/abs/hep-ph/0309205v2

Nucl.Phys.B683:105-121,2004

Physics

High Energy Physics

High Energy Physics - Phenomenology

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

Scientific paper

10.1016/j.nuclphysb.2004.02.001

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 $SU(3)_c\times SU(2)_L\times U(1)_Y\times U(1)_X$. We explore one example in which the gauge symmetries on the two branes are respectively $SU(5)\times U(1)_X$ and $SU(4)_c\times SU(2)_L\times SU(2)_R$, 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.

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