The three loop relation between the \bar {MS} and the pole quark masses
Authors
Kirill Melnikov, Timo van Ritbergen
Abstract
The analytic relation between the \bar {MS} and the pole quark masses is computed to O(α_s^3) in QCD. Using this exact result, the accuracy of the large β_0 approximation is critically examined and the implications of the obtained relation for semileptonic B decays are discussed.