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Dimensional Regularization and Dimensional Reduction in the

By Light Cone


We calculate all the 2 to 2 scattering process in Yang-Mills theory in the Light Cone gauge, with the dimensional regulator as the UV regulator. The IR is regulated with a cutoff in q +. It supplements our earlier work, where a Lorentz non-covariant regulator was used and the final results bear some problems in gauge fixing. Supersymmetry relations among various amplitudes are checked using the light cone The recent years saw a fast development in the techniques of perturbative computations in Yang-Mills theory. Among these are string based computation [1], unitarity based techniques [2], and MHV techniques [3] inspired by the twister string formalism. Thanks to these new developments, a large class of amplitudes can now be computed. In particular, for the N=4 supersymmetric Yang-Mills (MSYM) theory, certai

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