Non-planar massless two-loop Feynman diagrams with four on-shell legs

J. B. Tausk

arxiv: hep-ph/9909506 · v1 · submitted 1999-09-24 · ✦ hep-ph

Non-planar massless two-loop Feynman diagrams with four on-shell legs

J. B. Tausk This is my paper

classification ✦ hep-ph

keywords non-planardiagramfeynmanfourlegsmasslesson-shellpropagators

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The non-planar Feynman diagram with seven massless, scalar propagators and four on-shell legs (the crossed double box) is calculated analytically in dimensional regularization. The non-planar diagram with six propagators is also discussed.

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From geometry to phenomenology
hep-th 2026-06 unverdicted novelty 3.0

Feynman integrals with mixed geometries (K3 surfaces, curves, points) can be computed more efficiently by extracting and using their algebraic geometric properties.