Low-energy gluon to the vacuum polarization of heavy quarks
Open Access
- 1 March 2002
- journal article
- Published by Pleiades Publishing Ltd in JETP Letters
- Vol. 75 (5) , 221-224
- https://doi.org/10.1134/1.1478517
Abstract
We calculate a correction to the effective electromagnetic current at low energies, induced by a heavy-quark loop, and determine the analytic structure of the vacuum polarization function at small q2, for which an explicit expression is given to the O(αs3) order of perturbation theory. Implications to the high-precision analysis of experimental data on heavy-quark production in e+e− annihilation are discussed.Keywords
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This publication has 21 references indexed in Scilit:
- Observation of an excess in the search for the Standard Model Higgs boson at ALEPHPhysics Letters B, 2000
- quarkonium 1S spectrum in large-β0 approximation and renormalon cancellationPhysics Letters B, 2000
- andbottom quark masses fromsum rulesPhysical Review D, 1999
- quark low-scale running mass fromsum rulesPhysical Review D, 1999
- Coulomb resummation forNuclear Physics B, 1998
- PRECISION DETERMINATION OF αs AND mb FROM QCD SUM RULES FOR $b\bar b$International Journal of Modern Physics A, 1995
- Power suppressed heavy quark mass corrections to the τ-lepton and Z-boson decay ratesPhysics Letters B, 1993
- How to use heavy quarks to probe the QCD vacuumPhysics Letters B, 1981
- On dynamics of heavy quarks in a non-perturbative QCD vacuumNuclear Physics B, 1979
- Charmonium and gluonsPhysics Reports, 1978