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Standard Model Effective Field Theory from On-shell Amplitudes

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arxiv 1902.06752 v2 pith:7Q4L6O6R submitted 2019-02-18 hep-ph

Teng Ma , Jing Shu , Ming-Lei Xiao This is my paper · ORCID
classification hep-ph
keywords basisamplitudeamplitudeseffectivefieldmethodmodelon-shell
verification ladder T0 review T1 audit T2 compute T3 formal

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We present a general method of constructing unfactorizable on-shell amplitudes (amplitude basis), and build up their one-to-one correspondence to the independent and complete operator basis in effective field theory (EFT). We apply our method to the Standard Model EFT, and identify the amplitude basis in dimension 5 and 6, which correspond to the Weinberg operator and operators in Warsaw basis except for some linear combinations.

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Cited by 4 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Massive Helicity-Chirality Spinor Formalism from Massless Amplitudes with On-shell Mass Insertion

    hep-ph 2025-01 conditional novelty 7.0 of 10

    A new helicity-chirality spinor basis with a 'transversality' charge claims a one-to-one UV-IR correspondence between massive amplitudes and massless amplitudes with Higgs insertions, and reproduces pion decay, top de...

  2. Non-factorizable Superamplitudes for Massive N = 1 Superstates

    hep-th 2025-05 conditional novelty 6.0 of 10

    Massive N=1 superamplitudes for chiral multiplets have the universal non-factorizable form δ^(2)(Q†) Q^2 ∏(1 - 1/2 η_i^2), with form factors built from Q and Q† insertions.

  3. Dark Photons and Gravitino Like Particles: Complete EFT Operator Basis

    hep-ph 2024-12 conditional novelty 6.0 of 10

    A new on-shell method using Young tableaux constructs complete EFT operator bases for massive particles of any spin, applied to dark photons and spin-3/2 gravitino-like particles up to dimension 8.

  4. An Efficient On-shell Framework for EFT Matching

    hep-ph 2025-07 conditional novelty 5.0 of 10

    A d-dimensional unitarity-sewing workflow for one-loop EFT matching that assigns rational terms to their parent scalar integrals and extracts Wilson coefficients in non-redundant on-shell bases.

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