Limits on Exotic Quarks in the SU(3)xU(1) Extension of the Standard Model from SUSY Search Data

Abstract

We study the $p\bar{p}$ production and decay of exotic quarks that are predicted by the SU(3)$\times$U(1) extension of the Standard Model. We show that recent experimental searches for SUSY particles at the Tevatron limit the mass of these quarks to be above 250 GeV. Run II will extend the reach to 320 GeV. This is one example of SUSY search signatures that apply directly to another, quite different, new physics model.

10 pages, Latex (uses axodraw.sty and psfig.tex), corrected some typos, no change in conclusions

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• Two-body $Z^{\prime }$ decays in the minimal 331 model
• Supersymmetric 3-3-1 model with right-handed neutrinos
• Lepton masses in a supersymmetric 3-3-1 model
• Searching for doubly-charged vector bileptons in the Golden Channel at the LHC
• Scalar sextet in the 331 model with right-handed neutrinos
• Soft CP violation in K-meson systems
• 3-3-1 exotic quark search at CERN LEPII-LHC
• Decays Z --> g g gamma and Z-prime --> g g gamma in the minimal 331 model
• Decays Z --> ggg and Z-prime --> ggg in the minimal 331 model
• Decay $t->c\gamma$ in models with SU_L(3)XU_X(1) gauge symmetry
• Lepton flavour violating pion decay pi^+ --> mu^- nu_μe^+ e^+ and the SU(3)_C X SU(3)_L X U(1) model