\midheading{Single-top-quark production and decay at NNLO, process 1650}
\label{subsec:stop}
\label{single-top-quark-production-and-decay-at-nnlo}

This calculation is based on ref.~\cite{Campbell:2020fhf}.
This process constitutes the real correction 
needed for the complete NNLO order calculation. In other words
it is the plus-one-jet process evaluated at NLO.
