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The Rise of SMEFT On-shell Amplitudes

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arxiv 1905.11433 v1 pith:T66VQ5M7 submitted 2019-05-27 hep-ph

Rafael Aoude , Camila S. Machado This is my paper · ORCID
classification hep-ph
keywords amplitudeson-shellmassivebasissmeftallowsavenuesbroken
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We present a map between the tree-level Standard Model Effective Theory (SMEFT) in the Warsaw basis and massive on-shell amplitudes. As a first step, we focus on the electroweak sector without fermions. We describe the Feynman rules for a particular choice of input scheme and compare them with the 3-point massive amplitudes in the broken phase. Thereby we fix an on-shell basis which allows us to study scattering amplitudes with recursion relations. We hope to open up new avenues of exploration to a complete formulation of massive EFTs in the on-shell language.

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Cited by 1 Pith paper

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  1. On-shell recursion relations for higher-spin Compton amplitudes

    hep-th 2025-06 conditional novelty 6.0 of 10

    The all-line transverse shift makes four-point electromagnetic and gravitational Compton amplitudes on-shell constructible for massive spin s≤3/2 and s≤5/2, respectively, starting from minimal three-point amplitudes.

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