The logarithmic contribution to the QCD static energy at NNNNLO

Details The logarithmic contribution to the QCD static energy at NNNNLO The logarithmic contribution to the QCD static energy at NNNNLO

2006-10-11

arxiv.org/abs/hep-ph/0610143v2

Phys.Lett.B647:185-193,2007

Physics

High Energy Physics

High Energy Physics - Phenomenology

16 pages, 5 figures. Minor modifications. References added. Journal version

Scientific paper

10.1016/j.physletb.2007.02.015

Using pNRQCD and known results for the field strength correlator, we
calculate the ultrasoft contribution to the QCD static energy of a
quark-antiquark pair at short distances at NNNNLO in alpha_s. At the same
order, this provides the logarithmic terms of the singlet static potential in
pNRQCD and the log alpha_s terms of the static energy.

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