We discuss a practical approach to compute master integrals entering physical quantities which depend on one parameter. As an example we consider four-loop QCD corrections to the relation between a heavy quark mass defined in the MS and on-shell scheme in the presence of a second heavy quark.
@article{arxiv.2110.03699,
title = {A semi-numerical method for one-scale problems applied to the $\overline{\rm MS}$-on-shell relation},
author = {Matteo Fael and Fabian Lange and Kay Schönwald and Matthias Steinhauser},
journal= {arXiv preprint arXiv:2110.03699},
year = {2021}
}
Comments
7 pages, Contribution to the 15th International Symposium on Radiative Corrections (RADCOR) and the XIX Workshop on Radiative Corrections for the LHC and Future Colliders (LoopFest)