Explicit BCJ Numerators from Pure Spinors

Details Explicit BCJ Numerators from Pure Spinors Explicit BCJ Numerators from Pure Spinors

2011-04-27

arxiv.org/abs/1104.5224v1

Physics

High Energy Physics

High Energy Physics - Theory

32 pages, harvmac

Scientific paper

We derive local kinematic numerators for gauge theory tree amplitudes which manifestly satisfy Jacobi identities analogous to color factors. They naturally emerge from the low energy limit of superstring amplitudes computed with the pure spinor formalism. The manifestation of the color--kinematics duality is a consequence of the superstring computation involving no more than (n-2)! kinematic factors for the full color dressed n-point amplitude. The bosonic part of these results describe gluon scattering independent on the number of supersymmetries and captures any N^kMHV helicity configuration after dimensional reduction to D=4 dimensions.

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