Tensor decomposition for bosonic and fermionic scattering amplitudes

In this paper, we elaborate on a method to decompose multiloop multileg scattering amplitudes into Lorentz-invariant form factors, which exploits the simplifications that arise from considering four-dimensional external states. We propose a simple and general approach that applies to both fermionic...

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Autors principals: Peraro, T, Tancredi, L
Format: Journal article
Idioma:English
Publicat: American Physical Society 2021