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arXiv · hep-ph/0010075

Two-Loop Correction to Bhabha Scattering

Z. Bern·L. Dixon·A. Ghinculov
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Abstract

We present the two-loop virtual QED corrections to e^+ e^- to mu^+ mu^- and Bhabha scattering in dimensional regularization. The results are expressed in terms of polylogarithms. The form of the infrared divergences agrees with previous expectations. These results are a crucial ingredient in the complete next-to-next-to-leading order QED corrections to these processes. A future application will be to reduce theoretical uncertainties associated with luminosity measurements at e^+ e^- colliders. The calculation also tests methods that may be applied to analogous QCD processes.

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Z. Bern, L. Dixon, A. Ghinculov. 2000-10-09. Two-Loop Correction to Bhabha Scattering. https://doi.org/10.1103/physrevd.63.053007

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