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hep-th2025
The Colour Dependence of Amplitudes
Jacob L. Bourjaily, Michael Plesser, Cristian Vergu
We describe how to construct a spanning set of linearly-independent, automatically orthogonal colour tensors for scattering amplitudes involving coloured particles transforming und…
hep-th2025
Landau Analysis in Momentum Space with Massless Particles: an Amuse Bouche
C. Vergu
We illustrate how methods from Landau analysis that have been developed for studying the properties of massive Feynman integrals in momentum space can be generalized to massless in…