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hep-ph2024
Splitting amplitudes at NLO in QCD
Xin Guan, Franz Herzog, Yao Ma +2
In the limit where partons become collinear to each other, scattering amplitudes factorize into a product of universal, process-independent building blocks and scattering amplitude…
hep-th2024
Revealing Hidden Regions in Wide-Angle and Forward Scattering
Einan Gardi, Franz Herzog, Stephen Jones +1
We discuss a class of Feynman Integrals containing hidden regions that are not straightforwardly identified using the geometric, or Newton polytope, approach to the method of regio…
hep-th2024★ 14 cited
Dissecting polytopes: Landau singularities and asymptotic expansions in scattering
Einan Gardi, Franz Herzog, Stephen Jones +1
Parametric representations of Feynman integrals have a key property: many, frequently all, of the Landau singularities appear as endpoint divergences. This leads to a geometric int…