Aachen 2019 – scientific programme

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T: Fachverband Teilchenphysik

T 46: Theorie: QCD

T 46.3: Talk

Tuesday, March 26, 2019, 16:30–16:45, ST 8

Integrating double-unresolved collinear emissions for NNLO computations — •Maximilian Delto and Kirill Melnikov — Institut für Theoretische Teilchenphysik, Karlsruhe Institute of Technology (KIT)

We will describe an analytic computation of integrals of triple-collinear splitting functions that emerge as counter-terms in the context of the nested soft-collinear subtraction scheme. Analytic results for counter-terms are important for demonstrating analytic cancellation of infra-red and collinear divergences in fully-differential NNLO description of generic hard scattering processes in hadron collisions.