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Renormalization of non-singlet quark operator matrix elements for deep-inelastic scattering

Authors :
Van Thurenhout, Sam
Moch, Sven-Olaf
Source :
Acta Phys. Pol. B Proc. Suppl. 15, 2-A4 (2022)
Publication Year :
2021

Abstract

We introduce a new method for calculating the mixing matrix for non-singlet quark operators including total derivatives, based solely on their renormalization structure in the chiral limit. As input, the method requires the well-known forward anomalous dimensions, which determine the evolution of parton distribution functions, and a calculation of the matrix elements of operators without total derivatives. Assuming a large number of quark flavors $n_f$, we are able to calculate the mixing matrix to fifth order in the strong coupling $\alpha_s$ in the $\overline{\mbox{MS}}$-scheme.<br />Comment: 14 pages, LaTeX, 1 figure, Proceedings to Matter To The Deepest 2021, journal version

Details

Database :
arXiv
Journal :
Acta Phys. Pol. B Proc. Suppl. 15, 2-A4 (2022)
Publication Type :
Report
Accession number :
edsarx.2112.01783
Document Type :
Working Paper