Renormalization group analysis of the tau-lepton decay within QCD
A.A. Pivovarov
TL;DR
This paper introduces a renormalization group method to sum regular corrections in QCD, specifically applied to analyze the tau-lepton decay width in the timelike region.
Contribution
It proposes a novel technique for summing regular corrections during analytic continuation in QCD, with detailed analysis of the tau-lepton decay width.
Findings
Effective summation of regular corrections in QCD calculations.
Detailed perturbative analysis of tau-lepton decay width.
Enhanced understanding of analytic continuation effects in QCD.
Abstract
A technique to sum up the regular corrections appearing under the analytic continuation from the spacelike momentum region to the timelike one is proposed. A perturbative part of the inclusive semileptonic decay width of the tau-lepton in analyzed in detail.
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Taxonomy
TopicsParticle physics theoretical and experimental studies · Quantum Chromodynamics and Particle Interactions · Computational Physics and Python Applications