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Title: On the massive two-loop corrections to Bhabha scattering
Authors: Czakon, Michał
Gluza, Janusz
Riemann, T.
Keywords: oddziaływania leptonów; elektodynamika kwantowa; rozpraszanie Bhabha
Issue Date: 2005
Citation: Acta Physica Polonica B, Vol. 36, no. 11 (2005), s. 3319-3326
Abstract: We overview the general status of higher order corrections to Bhabha scattering and review recent progress in the determination of the two-loop virtual corrections. Quite recently, they were derived from combining a massless calculation and contributions with electron sub-loops. For a massive calculation, the self-energy and vertex master integrals are known, while most of the two-loop boxes are not. We demonstrate with an example that a study of systems of differential equations, combined with Mellin-Barnes representations for single masters, might open a way for their systematic calculation.
ISSN: 0587-4254
Appears in Collections:Artykuły (WNŚiT)

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