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Quarkonium Spectroscopy and Perturbative QCD: A New Perspective
We study the energy spectrum of bottomonium in perturbative QCD, taking $\als(M_Z)=0.1181 \pm 0.0020$ as input and fixing $m_b^{\bar{\rm MS}}(m_b^{\bar{\rm MS}})$ on the $\Upsilon(1S)$ mass. Contrary to wide beliefs, perturbative QCD reproduces reasonably well the gross structure of the spectrum as...
| Autores principales: | , , |
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| Lenguaje: | eng |
| Publicado: |
2001
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| Materias: | |
| Acceso en línea: | https://dx.doi.org/10.1016/S0370-2693(01)00611-6 http://cds.cern.ch/record/485332 |