Phenomenology of a 5D Orbifold $SU(3)_W$ Unification model

Details Phenomenology of a 5D Orbifold $SU(3)_W$ Unification model Phenomenology of a 5D Orbifold $SU(3)_W$ Unification model

2003-12-16

arxiv.org/abs/hep-ph/0312199v1

Phys.Rev. D69 (2004) 056005

Physics

High Energy Physics

High Energy Physics - Phenomenology

17 pages, 14 EPS figures, REVTeX

Scientific paper

10.1103/PhysRevD.69.056005

We study the phenomenology of a 5D $SU(3)_W$ model on a $S_1/(Z_2\times Z'_2)$ orbifold in which the minimal scalar sector plays an essential role of radiatively generating neutrino Majorana masses without the benefits of right-handed singlets. We carefully examine how do the exotic scalars affect the renormalization group (RG) equations for the gauge couplings and the 5D $SU(3)_W$ unification. We found that the compactification scale of extra dimension is in the range of $1/R\sim 1.5-5$ TeV. The possibility of the existence of relatively low mass Kaluza-Klein excitations makes the phenomenology of near term interest. Some possible bilepton signatures can be searched for in future colliders and in neutrino scattering experiments with intense neutrino beams. The low energy constraints from muon physics and lepton number violating decay process induced by bilepton are also discussed. These constraints can provide new information on the structure of Yukawa couplings which might be useful for future model building.

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