Perturbative QCD approach and particle energy spectra

  • Published 1996


The Modified Leading Log Approximation of QCD and the local parton hadron duality picture are shown to give a fully satisfactory description of data on charged particle energy spectra in e+e− annihilation. The analysis of data in terms of moments points out the running of αs both at very low cms energy (O(3 GeV)) and at very low particle energy (O(200-500… (More)


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