English

The $\sqrt{m\Lambda_{QCD}$ scale in heavy quarkonium

High Energy Physics - Phenomenology 2015-06-25 v1 High Energy Physics - Lattice

Abstract

We investigate the effects produced by the three-momentum scale mΛQCD\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.

Keywords

Cite

@article{arxiv.hep-ph/0307159,
  title  = {The $\sqrt{m\Lambda_{QCD}$ scale in heavy quarkonium},
  author = {N. Brambilla and A. Pineda and J. Soto and A. Vairo},
  journal= {arXiv preprint arXiv:hep-ph/0307159},
  year   = {2015}
}

Comments

16 pages, LaTeX, 13 figures