Recursion in multiplet bases for tree-level MHV gluon amplitudes

Yijian Du, Malin Sjödahl, Johan Thorén

    Research output: Contribution to journalArticlepeer-review

    Abstract

    We investigate the construction of tree-level MHV gluon amplitudes in multiplet bases using BCFW recursion. The multiplet basis decomposition can either be obtained by decomposing results derived in (for example) the DDM basis or by formulating the recursion directly in the multiplet basis. We focus on the latter approach and show how to efficiently deal with the color structure appearing in the recursion. For illustration, we also explicitly calculate the four-, five- and six-gluon amplitudes.
    Original languageEnglish
    Pages (from-to)1-34
    JournalJournal of High Energy Physics
    Issue number5
    DOIs
    Publication statusPublished - 2015

    Subject classification (UKÄ)

    • Physical Sciences

    Free keywords

    • Scattering Amplitudes
    • QCD

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