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Measurement of $\alpha_{s}$ and the non-strange spectral functions in hadronic $\tau$ decays with OPAL
The spectral functions of the vector current and the axial-vector current have been measured in hadronic tau decays using the OPAL detector at LEP. Within the framework of the Operator Product Expansion a simultaneous determination of the strong coupling constant alpha /sub s/, the non-perturbative...
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| Lenguaje: | eng |
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1999
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| Acceso en línea: | https://dx.doi.org/10.1016/S0920-5632(99)00482-X http://cds.cern.ch/record/409231 |