Three-loop matching coefficients for hot QCD: reduction and gauge independence

@article{Mller2012ThreeloopMC,
  title={Three-loop matching coefficients for hot QCD: reduction and gauge independence},
  author={J. M{\"o}ller and Y. Schr{\"o}der},
  journal={Journal of High Energy Physics},
  year={2012},
  volume={2012},
  pages={1-18}
}
A bstractWe perform an integral reduction for the 3-loop effective gauge coupling and screening mass of QCD at high temperatures, defined as matching coefficients appearing in the dimensionally reduced effective field theory (EQCD). Expressing both parameters in terms of a set master (sum-) integrals, we show explicit gauge parameter independence. The lack of suitable methods for solving the comparatively large number of master integrals forbids the complete evaluation at the moment. Taking one… Expand
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