,s-channel
This calculation is based on ref. [1]. 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.
nplotter_tbbar.f is the default plotting routine.
[1] J. Campbell, T. Neumann and Z. Sullivan, Single-top-quark production in the t-channel at NNLO, JHEP 02 (2021) 040 [2012.01574].