Speaker
Xiang Chen
(Peking University)
Description
Reference: https://arxiv.org/abs/2309.01937
We present the first complete high-precision QCD corrections to the inclusive decay width Γ_t, the W-helicity fractions f_{L,R,0} and semi-inclusive distributions for the top-quark decay process t → b + W+ + X_QCD at NNNLO in the strong coupling constant α_s.