Study of the Change from Walking to Non-Walking Behavior in a Vectorial Gauge Theory as a Function of N_f

Details Study of the Change from Walking to Non-Walking Behavior in a Vectorial Gauge Theory as a Function of N_f Study of the Change from Walking to Non-Walking Behavior in a Vectorial Gauge Theory as a Function of N_f

2007-03-05

arxiv.org/abs/hep-ph/0703054v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

7 pages, 4 figures, to appear in the proceedings of The 2006 International Workshop ``Origin of Mass and Strong Coupling Gauge

Scientific paper

Based on recent works [1,2], we present the results of calculations for several physical quantities (meson masses, the S parameter, etc.) in a vectorial gauge theory, as a function of the number of fermions, N_f. Solutions of the Schwinger-Dyson and the Bethe-Salpeter equations with the improved ladder approximation are used for the calculations. We focus on how the values of physical quantities change as one moves from the QCD-like (non-walking) to walking regimes.

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