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\(N = 4\) SYM gauge theories: the \(2 \rightarrow 6\) amplitude in the Regge limit. (English) Zbl 1484.81038

Bluemlein, Johannes (ed.) et al., Anti-differentiation and the calculation of Feynman amplitudes. Selected papers based on the presentations at the conference, Zeuthen, Germany, October 2020. Cham: Springer. Texts Monogr. Symb. Comput., 83-106 (2021).
Summary: In this contribution we discuss the Regge limit of scattering amplitudes in \(N = 4\) SYM in the planar approximation. The analysis is based upon unitarity and energy discontinuities, and the analytic structure plays a vital role. We first summarize the lessons learned from the study of the remainder functions of the \(2 \rightarrow 4\) and the \(2 \rightarrow 5\) scattering amplitudes and then present new results for the \(2 \rightarrow 6\) amplitude.
For the entire collection see [Zbl 1475.81004].

MSC:

81Q30 Feynman integrals and graphs; applications of algebraic topology and algebraic geometry
81U35 Inelastic and multichannel quantum scattering
81U90 Particle decays
Full Text: DOI

References:

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