PV-regulated pole mass expansions produce a 28 MeV purely theoretical error for the top quark mass conversion at 163 GeV, with lattice cross-checks for the bottom and charm sectors.
More on ambiguities in the pole mass
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abstract
The relation between the pole quark mass and the $\overline{MS}$-renormalized mass is governed by an infrared renormalon singularity, which leads to an ambiguity of order $\Lambda_{QCD}$ in the definition of the pole mass. We use the renormalization group and heavy quark effective theory to determine the exact nature of this singularity up to an overall normalization. In the abelian gauge theory, the normalization is computed partially to next-to-leading order in the flavour expansion.
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Hyperasymptotic approximation to the top, bottom and charm pole mass
PV-regulated pole mass expansions produce a 28 MeV purely theoretical error for the top quark mass conversion at 163 GeV, with lattice cross-checks for the bottom and charm sectors.