Antenna subtraction for final-state radiation at N${}^3$LO

Abstract

I review some aspects of antenna subtraction at next-to-next-to-leading order (NNLO) in QCD and provide motivation for its extension to N${}^3$LO. Next, I introduce the antenna functions required for the construction of infrared counterterms for final-state radiation at this order. Lastly, I describe the evaluation of the antenna functions and their phase-space integration, first presented in [1-3], and I elaborate on their application to precision observables in jet production at lepton colliders.

Comments: Proceedings for Loops&Legs 2024, 12 pages, 1 table. Based on arXiv:2211.08446, arXiv:2304.11180, arXiv:2310.13062