Twistor inspired techniques in QCD

Duhr, C.
(2008) A I P Conference Proceedings — Vol. 1038, n° 1, p. 295-304 (2008)

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  • Duhr, C.UCLouvain
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Abstract
(en) I present a short review of the new twistor inspired techniques in perturbative QCD, which are the result of Witten’s conjecture of a duality between twistors and string theory. I give an introduction to the main two tree‐level techniques, the BCFW recursion and the CSW formalism, and show how the idea of using on‐shell QCD amplitudes evaluated for complex momenta can lead to efficient techniques to perform analytic computations. Finally, I briefly discuss how these ideas can be applied to loop calculations if they are combined to the generalized unitarity approach.
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Duhr, C. (2008). Twistor inspired techniques in QCD. A I P Conference Proceedings, 1038(1), 295-304. https://doi.org/10.1063/1.2987182 (Original work published 2008)