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Triplet-doublet Splitting, Proton Stability and Extra Dimension

Yoshiharu Kawamura

hep-pharXiv:hep-ph/0012125

Abstract

We propose a new possibility to reconcile the coupling unification scenario with the triplet-doublet mass splitting based on a 5-dimensional supersymmetric model with SU(5) gauge symmetry. It is shown that the minimal supersymmetric standard model is derived on a 4-dimensional wall through compactification on S1/(Z2 × Z2').

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