Physical review letters
Recursive Landau Analysis.
Simon Caron-Huot, Miguel Correia, Mathieu Giroux
Published: 202510.1103/8rwk-bnph
Abstract
We propose a recursive method that makes use of the basic principle of unitarity to calculate the Landau singularities of n-point scattering amplitudes directly in kinematic space. For a vast class of Feynman diagrams, the method enables rapid analyt…
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