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https://www.cbsnews.com/news/meta-instagra

Regge factorization of tree-level QCD amplitudes using a minimal set of lightcone variables
Emmet P. Byrne, Vittorio Del Duca, Einan Gardi, Yuyu Mo, Jennifer M. Smillie
https://arxiv.org/abs/2506.10644

Regge factorization of tree-level QCD amplitudes using a minimal set of lightcone variables
We represent the multi-leg tree-level amplitudes of quarks and gluons using a minimal set of lightcone variables, which incorporate all on-shell and momentum conservation conditions and naturally captures the separate longitudinal and transverse momentum components. These variables make it easy to eliminate spurious poles and consider multi-Regge kinematic limits. In this framework we examine the factorization of tree-level amplitudes in rapidity and extract all two, three and four parton Multi…