Drell-Yan lepton pair production from low to high transverse momentum

Abstract

We present a technique for computing Drell-Yan lepton pair production at particle-level that achieves N${}^3$LO and approximate N${}^4$LL${}^{\prime }$ 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.

11 pages, 4 figures