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The heavy quarkonium spectrum at order $m\alpha_{s}^{5}\ln\alpha_{s}$
We compute the complete leading-log terms of the next-to-next-to-next-to-leading-order corrections to potential NRQCD. As a by-product we obtain the leading logs at $O(m\alpha_s^5)$ in the heavy quarkonium spectrum. These leading logs, when $\Lambda_{QCD} \ll m\alpha_s^2$, give the complete $O(m\alp...
| Autores principales: | , , , |
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| Lenguaje: | eng |
| Publicado: |
1999
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| Materias: | |
| Acceso en línea: | https://dx.doi.org/10.1016/S0370-2693(99)01301-5 http://cds.cern.ch/record/622272 |