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

Masafumi Kurachi·Robert Shrock
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Abstract

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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Masafumi Kurachi, Robert Shrock. 2007-03-05. Study of the Change from Walking to Non-Walking Behavior in a Vectorial Gauge Theory as a Function of N_f. https://doi.org/10.1142/9789812790750_0028

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