The 34th International Symposium on Lattice Field Theory (Lattice 2016)

Running coupling from Wilson flow for three quark flavors

25 Jul 2016, 18:25

20m

Building 67 Room 1007 (Highfield Campus, University of Southampton)

Talk Standard Model Parameters and Renormalization Standard Model Parameters and Renormalization

Speaker

Prof. Gerrit Schierholz (DESY)

Description

The running coupling constant ${\alpha }_s(Q^2)$ is computed from the Wilson flow for three quark flavors on multiple volumes and a wide range of lattice spacings, which allows for a continuum extrapolation. Of particular interest is the behavior at small $Q^2$ and the question of an infrared fixed point.

Presentation materials

Slides

lat16.pdf