Four-loop moments of the heavy quark vacuum polarization function in perturbative QCD

Details Four-loop moments of the heavy quark vacuum polarization function in perturbative QCD Four-loop moments of the heavy quark vacuum polarization function in perturbative QCD

2006-04-26

arxiv.org/abs/hep-ph/0604234v2

Eur.Phys.J.C48:107-110,2006

Physics

High Energy Physics

High Energy Physics - Phenomenology

8 pages, 13 figures; final version accepted for publication in the journal

Scientific paper

10.1140/epjc/s2006-02610-y

New results at four-loop order in perturbative QCD for the first two Taylor
coefficients of the heavy quark vacuum polarization function are presented.
They can be used to perform a precise determination of the charm- and
bottom-quark mass. Implications for the value of the quark masses are briefly
discussed.

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