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Determination of $\alpha _s(m_Z)$ by the non-perturbative decoupling method
We present the details and first results of a new strategy for the determination of $\alpha _s(m_Z)$ (ALPHA Collaboration et al. in Phys. Lett. B 807:135571, 2020). By simultaneously decoupling 3 fictitious heavy quarks we establish a relation between the $\Lambda $-parameters of three-flavor QCD an...
| Autores principales: | , , , , , , , |
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| Lenguaje: | eng |
| Publicado: |
2022
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| Materias: | |
| Acceso en línea: | https://dx.doi.org/10.1140/epjc/s10052-022-10998-3 http://cds.cern.ch/record/2835017 |