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Explicit BCJ numerators from pure spinors
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DOI：10.1007/JHEP07(2011)092.png)
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摘要
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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 (NMHV)-M-k helicity configuration after dimensional reduction to D - 4 dimensions.
Keyword:
Superstrings and Heterotic Strings
Superspaces
BRST Symmetry
期刊
IF:
5.5
论文数:
3.9W
被引数:
13.7W
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