Abstract
We provide simple superspaces based on a formulation of spinor helicity in general even dimensions. As a distinguishing feature these spaces admit a fermionic super-momentum conserving delta function solution to the on-shell supersymmetry Ward identities. Using these solutions, we present beautifully simple formulae for the complete three, four and five point superamplitudes in maximal super Yang-Mills theory in eight dimensions, and for the three and four point superamplitudes in ten dimensional type IIB super-gravity. In addition, we discuss the exceptional kinematics of the three point amplitude, and the supersymmetric spinorial BCFW recursion, in general dimensions.
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ArXiv ePrint: 1201.2653
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Boels, R.H., O’Connell, D. Simple superamplitudes in higher dimensions. J. High Energ. Phys. 2012, 163 (2012). https://doi.org/10.1007/JHEP06(2012)163
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DOI: https://doi.org/10.1007/JHEP06(2012)163