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Higher Moments of Heavy Quark Vacuum Polarization

High Energy Physics - Phenomenology 2015-06-25 v1
Authors: K. G. Chetyrkin , J. H. Kühn , M. Steinhauser
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Abstract

We present analytical calculation of the first seven moments of the heavy quark vacuum polarization function in the three-loop order. The obtained results are compared against the asymptotic formulas following from the threshold singularities. We also discuss the μ\mu dependence of the moments within the BLM procedure.

Keywords

heavy quark vacuum polarization three-loop moments asymptotic formulas BLM procedure

Cite

@article{arxiv.hep-ph/9607422,
  title  = {Higher Moments of Heavy Quark Vacuum Polarization},
  author = {K. G. Chetyrkin and J. H. Kühn and M. Steinhauser},
  journal= {arXiv preprint arXiv:hep-ph/9607422},
  year   = {2015}
}

Comments

9 pages, LaTeX, no figures, sprocl.sty provided (To appear in the Proceedings of the Second Workshop on Continuous Advances in QCD, Minneapolis, U.S.A., March 1996). Postscript also available at ftp://www-ttp.physik.uni-karlsruhe.de/ttp96-22/ttp96-22.ps or at http://www-ttp.physik.uni-karlsruhe.de/cgi-bin/preprints/

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