On the gauge boson's properties in a candidate technicolor theory

Details On the gauge boson's properties in a candidate technicolor theory On the gauge boson's properties in a candidate technicolor theory

2011-02-24

arxiv.org/abs/1102.5023v2

JHEP 1105:077,2011

Physics

High Energy Physics

High Energy Physics - Lattice

27 pages, 17 figures, 1 table; v2: persistent notational error corrected, some minor modifications

Scientific paper

10.1007/JHEP05(2011)077

The technicolor scenario replaces the Higgs sector of the standard model with a strongly interacting sector. One candidate for a realization of such a sector is two-technicolor Yang-Mills theory coupled to two degenerate flavors of adjoint, massless techniquarks. Using lattice gauge theory the properties of the technigluons in this scenario are investigated as a function of the techniquark mass towards the massless limit. For that purpose the minimal Landau gauge two-point and three-point correlation functions are determined, including a detailed systematic error analysis. The results are, within the relatively large systematic uncertainties, compatible with a behavior very similar to QCD at finite techniquark mass. However, the limit of massless techniquarks exhibits features which could be compatible with a (quasi-)conformal behavior.

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