Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2003-02-19
Phys.Lett.B562:307-315,2003
Physics
High Energy Physics
High Energy Physics - Phenomenology
13 pages and 1 figure, some minor corrections and references added
Scientific paper
10.1016/S0370-2693(03)00564-1
We consider the unification of gauge, Higgs as well as the matter fields in a 6D N=2 supersymmetric SU(8) gauge theory. The gauge symmetry SU(8) is broken down to SU(4) x SU(2)_L x SU(2)_R x U(1)^2 in 4D through T^2/Z_6 orbifold compactification, and the theory is reduced to 4D N=1 supersymmetric Pati-Salam model. The electroweak Higgs fields as well as the third family of fermions are unified in the 6D N=2 gauge multiplet. The 6D bulk gauge interaction provides both gauge and Yukawa interactions for the third family predicting \alpha_1 = \alpha_2 = \alpha_3 = \alpha_t = \alpha_b = \alpha_tau at the unification scale, in good agreement with experiment. Incorporation of the first and second family as well as other orbifolds are also briefly discussed.
Gogoladze Ilia
Mimura Yukihiro
Nandi Satyanarayan
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