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Theoretical uncertainties on $\alpha_s$ from event-shape variables in $e^+ e^-$ annihilations
The precision of measurements of the strong coupling constant using event-shape variables in e+e- annihilations is limited by theoretical systematic uncertainties. The uncertainties are related to missing higher orders in the perturbative predictions for the event-shape distributions. A new method i...
| Autores principales: | , , , , |
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| Lenguaje: | eng |
| Publicado: |
2003
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| Materias: | |
| Acceso en línea: | https://dx.doi.org/10.1088/1126-6708/2003/12/007 http://cds.cern.ch/record/688281 |