منابع مشابه
Proton Decay Signatures of Orbifold GUTs
In grand unified theories based on orbifold constructions in higher dimensions, Higgsinomediated proton decay is absent. However, proton decay mediated by X and Y gauge bosons is typically enhanced to levels detectable by current and future experiments. We analyse the phenomenology of proton decay induced by the minimal coupling of X, Y gauge bosons. In particular, we show that the novel realiz...
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We construct SU(5) SUSY GUT in 5D compactified on S/Z2 orbifold where the matter fields are living in the five dimensional bulk. SU(5) symmetry is broken down to the Standard Model gauge group by the orbifold projection which automatically ensures stability of proton in all orders of perturbation theory. The model predicts extra mirror quark-lepton families which along with the GUT particles an...
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We consider 5 dimensional E6, E7, and E8 supersymmetric grand unified theories (GUTs) on an orbifold S/Z2, in which the Higgs fields arise from the 5th components of the 5D gauge fields. We introduce matter fields in 5 dimensions, then the Yukawa interactions are induced from the gauge interactions among the 5th component of gauge fields and the bulk hyper-multiplets. The adjoint and fundamenta...
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A general analysis is made of the question whether the d = 5 proton decay operators coming from exchange of colored Higgsinos can be completely eliminated in a natural way in supersymmetric grand unified models. It is shown that they can indeed be in SO(10) while at the same time naturally solving the doublet-triplet splitting problem, having only two light Higgs doublets, and using no more tha...
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We consider a class of seven-dimensional N = 1 supersymmetric orbifold GUTs in which the Standard Model (SM) gauge couplings and one of the Yukawa couplings (top quark, bottom quark or tau lepton) are unified, without low energy supersymmetry, at MGUT ≃ 4× 10 GeV. With gauge-top quark Yukawa coupling unification the SM Higgs boson mass is estimated to be 135± 6 GeV, which increases to 144± 4 Ge...
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ژورنال
عنوان ژورنال: Physics Letters B
سال: 2002
ISSN: 0370-2693
DOI: 10.1016/s0370-2693(02)02072-5