Optimization of perturbation series in QCD for physical quantities using the renormalization group: necessary conditions and partial results
Abstract
We explore approaches to numerically optimize a segment of the perturbative series for physical quantities using the QCD renormalization group. We apply these methods to the perturbative series for the coefficient function CBjps of the Bjorken polarized sum rule and the Adler function DA. Using various techniques proposed in the literature, we discuss the consequences of ``optimization.''
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