Higgs scattering in SMEFT is analyzed with von Neumann entropy, linear entropy, and concurrence as momentum-isospin entanglement measures, determined by Wilson coefficients of dimension-6 and dimension-8 operators, revealing energy growth, interference cancellations, suppression conditions, and link
Zhang,SMEFTs living on the edge: determining the UV theories from positivity and extremality,JHEP12(2022) 096, [2112.11665]
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