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Comment on "Calculation of Quarkonium Spectrum and $m_{b}, m_{c}$ to Order $\alpha^{4}_{s}$"
In a recent paper, we included two loop, relativistic one loop and second order relativistic tree level corrections, plus leading nonperturbative contributions, to obtain a calculation of the lower states in the heavy quarkonium spectrum correct up to, and including, $O(\alpha_s^4)$ and leading valu...
| Autores principales: | , |
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| Lenguaje: | eng |
| Publicado: |
1998
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| Materias: | |
| Acceso en línea: | https://dx.doi.org/10.1103/PhysRevD.61.077505 http://cds.cern.ch/record/374473 |