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hep-ph2006★ 1 cited
Developments In 5D Quark-Lepton Symmetric Models
A. Coulthurst, A. Demaria, K. L. McDonald +1
We outline some recent developments in higher dimensional Quark-Lepton (QL) symmetric models. The QL symmetric model in five dimensions is discussed, with particular emphasis on th…
hep-ph2006★ 4 cited
Quark-Lepton Symmetry In Five Dimensions
A. Coulthurst, K. L. McDonald, B. H. J. McKellar
We construct a complete five dimensional Quark-Lepton symmetric model, with all fields propagating in the bulk. The extra dimension forms an orbifold with the…
hep-ph2006★ 7 cited
Suppressing Proton Decay By Separating Quarks And Leptons
A. Coulthurst, K. L. McDonald, B. H. J. McKellar
Arkani-Hamed and Schmaltz (AS) have shown that proton stability need not originate from symmetries in a high energy theory. Instead the proton decay rate is suppressed if quarks an…