The Banks-Zaks Expansion and "Freezing" in Perturbative QCD

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dc.creatorCaveny, S. A.
dc.creatorStevenson, P. M.
dc.date1997-05-15
dc.date.accessioned2026-07-07T04:01:45Z
dc.date.available2026-07-07T04:01:45Z
dc.descriptionThe recent calculation of the four-loop beta function in QCD provides further evidence that the Banks-Zaks expansion in 16half-n_f is sufficiently well behaved to be useful even for n_f=2 light flavours. This expansion inherently predicts "freezing" of the QCD couplant at low energies as a perturbative effect. We consider the e+e- and Bjorken-sum-rule cases as examples.
dc.description19 pages, LaTeX, including 3 figures using epsf
dc.identifierhttps://arxiv.org/abs/hep-ph/9705319
dc.identifierhttp://arxiv.org/abs/hep-ph/9705319
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/46962
dc.subjectHigh Energy Physics - Phenomenology
dc.titleThe Banks-Zaks Expansion and "Freezing" in Perturbative QCD
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