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Published in 2020 at "Journal of High Energy Physics"
DOI: 10.1007/jhep01(2021)205
Abstract: We generalize the relation between discontinuities of scattering amplitudes and cut diagrams to cover sequential discontinuities (discontinuities of discontinuities) in arbitrary momentum channels. The new relations are derived using time-ordered perturbation theory, and hold at…
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Keywords:
discontinuities feynman;
sequential discontinuities;
integrals monodromy;
feynman integrals ... See more keywords