Dilepton rapidity distribution in the drell-yan process at next-to-next-to-leading order in qcd

Charalampos Anastasiou, Lance Dixon, Kirill Melnikov, Frank Petriello

Research output: Contribution to journalArticlepeer-review

193 Scopus citations

Abstract

We compute the rapidity distribution of the virtual photon produced in the Drell-Yan process through next-to-next-to-leading order in perturbative QCD. We introduce a powerful new method for calculating differential distributions in hard scattering processes. This method is based upon a generalization of the optical theorem; it allows the integration-by-parts technology developed for multiloop diagrams to be applied to noninclusive phase-space integrals, and permits a high degree of automation. We apply our results to the analysis of fixed-target experiments.

Original languageEnglish (US)
JournalPhysical review letters
Volume91
Issue number18
DOIs
StatePublished - 2003

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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