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arXiv · 2012.12242

Top quark loop corrections to $W^+W^-$ scattering in EChL

Antonio Dobado·Carlos Quezada-Calonge·Juan José Sanz-Cillero
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Abstract

We calculate fermion-loop corrections to high energy $W^+W^-$ scattering in the context of a Strongly Interacting Electroweak Symmetry Breaking Sector (EWSBS) using Higgs Effective Field Theory(HEFT). We test the assumption that these corrections are negligible when compared to the boson-loop ones, as it is commonly taken for granted in the literature. While this is correct inmost cases, we find that, for some particular regions of the parameter space, fermion-loops can be important: deviations in the couplings of the HEFT from their Standard Model values may lead to fermion-loop corrections as relevant as the boson-loop ones.

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Antonio Dobado, Carlos Quezada-Calonge, Juan José Sanz-Cillero. 2020-12-22. Top quark loop corrections to $W^+W^-$ scattering in EChL. https://arxiv.org/abs/2012.12242

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