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The Spurion Massive EFT (SMEFT)

Northey, Julian L. et al.
arXiv (All) · Papers
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high-energy-physics-phenomenologyhigh-energy-physics-theory
We use the amplitude formulation of the SMEFT to introduce a spurion analysis of the SMEFT low-energy amplitudes in terms of the Higgs VEV. Each SMEFT contact-term is given as a sum of a few spurion structures, whose number depends on the electroweak charges of the external legs. The coefficients of
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