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Color ordering in QCD

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arxiv 1311.6296 v1 pith:FDIEDWMR submitted 2013-11-25 hep-ph hep-th

classification hep-phhep-th
keywords amplitudescolororderedtreederiveprimitivearbitrarycalled
verification ladder T0 review T1 audit T2 compute T3 formal

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abstract

We derive color decompositions of arbitrary tree and one-loop QCD amplitudes into color ordered objects called primitive amplitudes. Furthermore, we derive general fermion flip and reversion identities spanning the null space among the primitive amplitudes and use them to prove that all color ordered tree amplitudes of massless QCD can be written as linear combinations of color ordered tree amplitudes of $\mathcal{N}=4$ super Yang-Mills theory.

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Cited by 1 Pith paper

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  1. Multi-Quark Colour Decompositions from Unitarity

    hep-ph 2019-08 accept novelty 8.0 of 10

    New tree-level colour decompositions for multi-quark QCD amplitudes with arbitrary fixed pair of partons, derived from unitarity factorisation, with explicit closed-form colour factors.

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