Zj. Xiao et al., 2-LOOP RADIATIVE-CORRECTIONS AND EFFECTS ON ESTIMATION OF M(T), Journal of physics. G, Nuclear and particle physics, 20(1), 1994, pp. 1-5
In the framework of the standard model we have calculated the effects
on the estimation of the top-quark mass, M(t), caused by the inclusion
of the two-loop radiative corrections. The two-loop contributions onl
y made a small increase in M(t) of 9-11 GeV, about 7% higher for both
its central value and the upper bound than the one-loop estimation.