Perturbative series and the 1/N expansion for the QED β-function
classification
✦ hep-ph
keywords
beta-functionperturbativeexpansionseriesagreementcomparisoncontrolexpansions
read the original abstract
A comparison of the perturbative series and the 1/N expansion for the QED renormalization group \beta-function in the Minimal Subtraction scheme is performed. The good agreement between two expansions is found which proves that the MS \beta-function is under perfect perturbative control.
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