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NUCLEAR PHYSICS B
Volume 815, Issue 1-2, Pages 142-173Publisher
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DOI: 10.1016/j.nuclphysb.2009.02.015
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We compare the two-loop corrections to the finite part of the light-like hexagon Wilson loop with the recent numerical results for the finite part of the MHV six-gluon amplitude in N = 4 SYM theory by Bern, Dixon, Kosower, Roiban, Spradlin. Vergu and Volovich (arXiv:0803.1465 [hep-th]) and demonstrate that they coincide within the error bars and, at the same time, they differ from the BDS ansatz by a non-trivial function of (dual) conformal kinematical invariants. This provides strong evidence that the Wilson loop/scattering amplitude duality holds in planar N = 4 SYM theory to all loops for an arbitrary number of external particles. (c) 2009 Elsevier B.V. All rights reserved.
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