Linear regression through the origin applied to PMC-improved pQCD series estimates the magnitude of one higher unknown order term, tested on the four-loop R_tau ratio.
Relating inclusive e+ e- annihilation to electroproduction sum rules in quantum chromodynam- ics,
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A new method for estimating unknown one-order higher QCD corrections to the perturbative series using the linear regression through the origin
Linear regression through the origin applied to PMC-improved pQCD series estimates the magnitude of one higher unknown order term, tested on the four-loop R_tau ratio.