Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1997-04-07
Physics
High Energy Physics
High Energy Physics - Phenomenology
36 pages, with 17 ps figures in the text
Scientific paper
When the Higgs sector of the standard model is replaced by a flavor doublet of color sextet quarks, dynamical electroweak symmetry breaking occurs, with the electroweak scale identified as the sextet chiral scale. Above the electroweak scale QCD is almost scale-invariant, leading to the high-momentum enhancement of both the sextet chiral condensate and instanton interactions. The instanton interactions combine with the sextet condensate to produce electroweak scale chirality violating processes in both the triplet and sextet sectors. If the enhancement is sufficient, an electroweak scale top mass can be produced and the $\eta_6$ axion mass can be raised, potentially providing a consistent description of both Strong CP conservation and electroweak-scale CP violation. The instanton interactions also produce electroweak scale chirality violating scattering processes for light quarks and additionally modify QCD evolution at the electroweak scale. Such effects could explain the excesses in the DIS cross-section at HERA and jet cross-sections at the Tevatron.
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