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Infrared structure of $e^+e^- \to 3$ jets at NNLO - the $C_F^2$ contribution

A. Gehrmann-De Ridder·T. Gehrmann·E. W. N. Glover
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Abstract

We discuss the infrared structure of e+e- -> 2 and 3 jets at NNLO in QCD perturbation theory and describe subtraction terms that render the separate parton-level contributions finite. As a first result, we find that the NNLO C_F^2 contribution to the first moment of the Thrust distribution <1-T> = -20.4 +/- 4.

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A. Gehrmann-De Ridder, T. Gehrmann, E. W. N. Glover. 2004-07-02. Infrared structure of $e^+e^- \to 3$ jets at NNLO - the $C_F^2$ contribution. https://doi.org/10.1016/j.nuclphysbps.2004.09.042

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