Constructing Concrete Colour Tensors for Simple Lie Algebras
Jacob L. Bourjaily, Michael Plesser, Philip Velie
Abstract
We describe the implementation and use of colourtensors: a Mathematica package built for the concrete construction of explicit colour tensors involving arbitrarily charged particles in any gauge theory. These can be used to directly determine linear relations among colour tensors and compute a number of otherwise difficult, representation-theoretic quantities relevant to scattering amplitudes such as colour-interference between partial amplitudes.
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