QCD potential as a "Coulomb-plus-linear" potential

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27 Citations (Scopus)


We show analytically that the QCD potential can be expressed, up to an O(ΔQCD3r2) uncertainty, as the sum of a "Coulomb" potential (with log corrections at short distances) and a linear potential, within an approximation based on perturbative expansion in αS and the renormalon dominance picture. The expansion of VQCD(r) is truncated at O(αSN) (N = 6π/(β0αS)), where the term becomes minimal according to the estimate by NLO renormalon, and is studied for N ≫ 1. Analytic expressions for the linear potential are obtained in some cases.

Original languageEnglish
Pages (from-to)173-183
Number of pages11
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Issue number3-4
Publication statusPublished - 2003 Oct 9

ASJC Scopus subject areas

  • Nuclear and High Energy Physics


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