The $\sqrt{mΛ_{QCD}$ scale in heavy quarkonium

Details The $\sqrt{mΛ_{QCD}$ scale in heavy quarkonium The $\sqrt{mΛ_{QCD}$ scale in heavy quarkonium

2003-07-11

arxiv.org/abs/hep-ph/0307159v1

Phys.Lett. B580 (2004) 60-71

Physics

High Energy Physics

High Energy Physics - Phenomenology

16 pages, LaTeX, 13 figures

Scientific paper

We investigate the effects produced by the three-momentum scale
$\sqrt{m\Lambda_{QCD}}$ in the strong coupling regime of heavy quarkonium. We
compute the leading non-vanishing contributions due to this scale to the masses
and inclusive decay widths. We find that they may provide leading corrections
to the S-wave decay widths but only subleading corrections to the masses.

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