Scattering of gravitons and spinning massive states from compact numerators
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Publication:2032615
DOI10.1007/JHEP04(2021)234zbMATH Open1462.83013arXiv2011.10556MaRDI QIDQ2032615
Author name not available (Why is that?)
Publication date: 11 June 2021
Published in: (Search for Journal in Brave)
Abstract: We provide a new efficient diagrammatic tool, in the context of the scattering equations, for computation of covariant -dimensional tree-level -point amplitudes with pairs of spinning massive particles using compact exponential numerators. We discuss how this framework allows non-integer spin extensions of recurrence relations for amplitudes developed for integer spin. Our results facilitate the on-going program for generating observables in classical general relativity from on-shell tree amplitudes through the Kawai-Lewellen-Tye relations and generalized unitarity.
Full work available at URL: https://arxiv.org/abs/2011.10556
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