Massive on-shell supersymmetric scattering amplitudes

DOI10.1007/JHEP10(2019)092zbMATH Open1427.81168arXiv1902.07204WikidataQ127011214 ScholiaQ127011214MaRDI QIDQ2283411

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Publication date: 2 January 2020

Published in: (Search for Journal in Brave)

Abstract: We introduce a manifestly little group covariant on-shell superspace for massive particles in four dimensions using the massive spinor helicity formalism. This enables us to construct massive on-shell superfields and fully utilize on-shell symmetry considerations to derive all possible $mathcalN=1$ three-particle amplitudes for particles of spin as high as one, as well as some simple amplitudes for particles of any spin. Throughout, the conceptual and computational simplicity of this approach is exhibited.

Full work available at URL: https://arxiv.org/abs/1902.07204

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