Two-loop critical mass for Wilson fermions

Details Two-loop critical mass for Wilson fermions Two-loop critical mass for Wilson fermions

2001-06-20

arxiv.org/abs/hep-lat/0106013v1

Phys.Rev. D64 (2001) 094506

Physics

High Energy Physics

High Energy Physics - Lattice

13 LaTeX2e pages, 2 ps figures included

Scientific paper

10.1103/PhysRevD.64.094506

We have redone a recent two-loop computation of the critical mass for Wilson
fermions in lattice QCD by evaluating Feynman integrals with the
coordinate-space method. We present the results for different types of infrared
regularization. We confirm both the previous numerical estimates and the power
of the coordinate-space method whenever high accuracy is needed.

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