Corpus ID: 119224407

A status update on the determination of ${\Lambda}_{\overline{\rm MS}}^{N_{\rm f}=3}$ by the ALPHA collaboration

@article{Brida2015ASU,
  title={A status update on the determination of \$\{\Lambda\}_\{\overline\{\rm MS\}\}^\{N_\{\rm f\}=3\}\$ by the ALPHA collaboration},
  author={Mattia Dalla Brida and Patrick Fritzsch and Tomasz Korzec and Alberto Ramos and Stefan Sint and Rainer Sommer},
  journal={arXiv: High Energy Physics - Lattice},
  year={2015}
}
  • Mattia Dalla Brida, Patrick Fritzsch, +3 authors Rainer Sommer
  • Published 2015
  • Physics
  • arXiv: High Energy Physics - Lattice
  • The ALPHA collaboration aims to determine $\alpha_s(m_Z)$ with a total error below the percent level. A further step towards this goal can be taken by combining results from the recent simulations of 2+1-flavour QCD by the CLS initiative with a number of tools developed over the years: renormalized couplings in finite volume schemes, recursive finite size techniques, two-loop renormalized perturbation theory and the (improved) gradient flow on the lattice. We sketch the strategy, which involves… CONTINUE READING

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