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$|V_us|$ and $m_s$ from hadronic tau decays
Recent progress in the determination of |V_us| employing strange hadronic tau-decay data are reported. This includes using the recent OPAL update of the strange spectral function, as well as augmenting the dimension-two perturbative contribution with the recently calculated order alpha_s^3 term on t...
| Autores principales: | , , , , |
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| Lenguaje: | eng |
| Publicado: |
2006
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| Materias: | |
| Acceso en línea: | https://dx.doi.org/10.1016/j.nuclphysbps.2007.02.053 http://cds.cern.ch/record/1004918 |