Non-perturbative corrections to heavy quark fragmentation in e(+)e(-) annihilation

  title={Non-perturbative corrections to heavy quark fragmentation in e(+)e(-) annihilation},
  author={Paolo Nason and Bryan Webber},
  journal={Physics Letters B},
Abstract We estimate the non-perturbative power-suppressed corrections to heavy flavour fragmentation and correlation functions in e + e − annihilation, using a model based on the analysis of one-loop Feynman graphs containing a massive gluon. This approach corresponds to the study of infrared renormalons in the large- n f limit of QCD, or to the assumption of an infrared-finite effective coupling at low scales. We find that the leading corrections to the heavy quark fragmentation function are… 
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