The chromo-magnetic dipole operator is expressed in terms of operators at finite flow time in the gradient-flow formalism. The matching coefficients are evaluated through next-to-next-to-leading order QCD.
@article{arxiv.2212.09824,
title = {Two-loop matching of the chromo-magnetic dipole operator with the gradient flow},
author = {J. Borgulat and R. Harlander and M. D. Rizik and A. Shindler},
journal= {arXiv preprint arXiv:2212.09824},
year = {2022}
}
Comments
9 pages, presentation at the 39th International Symposium on Lattice Field Theory (LATTICE 2022), 8-13 August 2022, Bonn, Germany