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Physics Letters B
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Physics Letters B
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QCD potential as a “Coulomb-plus-linear” potential

QCD potential as a ``Coulomb-plus-linear'' potential
Authors: Sumino, Y.;

QCD potential as a “Coulomb-plus-linear” potential

Abstract

We show analytically that the QCD potential can be expressed, up to an O(Lambda_QCD^3 r^2) 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 alpha_S and the renormalon dominance picture. The expansion of V_QCD(r) is truncated at O(alpha_S^N) [N = 6 pi/(beta_0 alpha_S)], 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.

Version to appear in Phys.Lett.B; Explanations on derivation added; Leading ultrasoft logs included in the analysis (Sec.5);12 pages,4 figures

Related Organizations
Keywords

High Energy Physics - Theory, Nuclear and High Energy Physics, High Energy Physics - Phenomenology, High Energy Physics - Lattice, High Energy Physics - Phenomenology (hep-ph), High Energy Physics - Theory (hep-th), perturbative expansion, High Energy Physics - Lattice (hep-lat), FOS: Physical sciences, renormalon dominance picture, Strong interaction, including quantum chromodynamics

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
41
Top 10%
Top 10%
Average
Green
gold