Optimized Lambda-Parametrization for the QCD Running Coupling Constant in Spacelike and Timelike Regions
High Energy Physics - Phenomenology
2014-11-17 v2
Abstract
The algorithm is described that enables one to perform an explicit summation of all the (\pi^2/ ln(Q^2/Lambda^2))^N corrections to \alpha_s (Q^2) that appear owing to the analytic continuation from spacelike to timelike region of momentum transfer.
Keywords
Cite
@article{arxiv.hep-ph/9907228,
title = {Optimized Lambda-Parametrization for the QCD Running Coupling Constant in Spacelike and Timelike Regions},
author = {A. V. Radyushkin},
journal= {arXiv preprint arXiv:hep-ph/9907228},
year = {2014}
}
Comments
6 pages, LaTeX. Old preprint with a couple of comments added