Five loop anomalous dimension of non-singlet quark currents in the RI' scheme
High Energy Physics - Phenomenology
2023-03-22 v2 High Energy Physics - Lattice
Abstract
We construct the five loop anomalous dimensions of the basic fields in Quantum Chromodynamics in a linear covariant gauge in the modified Regularization Invariant (RI') scheme. Using these core results we also compute the four loop Green's function where the quark mass operator and vector current are separately inserted in a quark 2-point function. These are necessary for measurements of the same quantities on the lattice. The Green's functions are provided in both the modified Minimal Subtraction (MSbar) and RI' schemes. All the results are available for a general Lie group.
Keywords
Cite
@article{arxiv.2210.12420,
title = {Five loop anomalous dimension of non-singlet quark currents in the RI' scheme},
author = {J. A. Gracey},
journal= {arXiv preprint arXiv:2210.12420},
year = {2023}
}
Comments
29 latex pages, modified title and minor changes added