Drell-Yan lepton pair production from low to high transverse momentum
Benoît Assi, Enrico Bothmann, John Campbell, Christian Gütschow, Stefan Höche, Wan-Li Ju, Max Knobbe, Marek Schönherr, Jesse Thaler, Michael L. Wagman
Abstract
We present a technique for computing Drell-Yan lepton pair production at particle-level that achieves N3LO and approximate N4LL' accuracy at small to moderate transverse momentum, tree-level precision for Z+4, 5, and 6 jets, and approximate NLO EW precision at high transverse momentum. A crucial non-perturbative input, the Collins-Soper kernel, is obtained from continuum-limit lattice QCD results. High-precision theory results are recast into strictly positive event weights using an information-theoretic approach based on the maximum entropy principle.
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