Infrared structure of $e^+e^- \to 3$ jets at NNLO: QED-type contributions

Details Infrared structure of $e^+e^- \to 3$ jets at NNLO: QED-type contributions Infrared structure of $e^+e^- \to 3$ jets at NNLO: QED-type contributions

2006-07-04

arxiv.org/abs/hep-ph/0607042v1

Nucl.Phys.Proc.Suppl.160:190-194,2006

Physics

High Energy Physics

High Energy Physics - Phenomenology

Talk presented at Loops and Legs 2006, Eisenach

Scientific paper

10.1016/j.nuclphysbps.2006.09.04

The NNLO QCD corrections to the $e^+e^- \to 3$ jets can be decomposed
according to their colour factors. Out of the seven colour factors, three are
of QED-type: $1/N^2$, $N_F/N$ and $N_F^2$. We use the antenna subtraction
method to compute these contributions, providing complete expressions for the
subtraction terms in $N_F/N$ and $N_F^2$.

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