Exploration of the tree-level S-matrix of massless particles
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Publication:2915766
DOI10.1002/PROP.201200006zbMATH Open1254.81087arXiv1201.3191OpenAlexW3099310957MaRDI QIDQ2915766
Author name not available (Why is that?)
Publication date: 18 September 2012
Published in: (Search for Journal in Brave)
Abstract: In recent years, the BCFW construction provided a very powerful tool for computing scattering amplitudes as well as it shed light on the perturbation theory structure. In this talk, we discuss the long-standing issue of the boundary term arising when the amplitudes do not vanish as some momenta are taken to infinity along some complex direction. In particular, we provide a new set of on-shell recursion relations valid for such theories and discuss its consequences on our understanding on the perturbation theory structure of the S-Matrix.
Full work available at URL: https://arxiv.org/abs/1201.3191
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