Pole masses of quarks in dimensional reduction
L. V. Avdeev, M. Yu. Kalmykov
Abstract
Pole masses of quarks in the quantum chromodynamics are calculated to the two-loop order in the framework of the regularization by dimensional reduction. For the diagram with a light quark loop, the non-Euclidean asymptotic expansion is constructed with the external momentum on the mass shell of a heavy quark.
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