Mar 26 – 30, 2012
University of Bonn
Europe/Berlin timezone

Drell-Yan lepton pair production in the kt-factorization approach

Mar 27, 2012, 4:50 PM
Small Lecture Hall, Mathematical Institute (University of Bonn)

Small Lecture Hall, Mathematical Institute

University of Bonn

Hadronic final states Hadronic final states


Mr Maxim Malyshev (SINP MSU)


In the framework of the kt-factorization approach, the production of unpolarized Drell-Yan lepton pair at high energies is studied. The consideration is based on the O(alpha) and $O(alpha alpha_s) off-shell partonic matrix elements with virtual photon and Z boson exchange. The calculations include leptonic decays of Z bosons with full spin correlations as well as gamma - Z interference. The unintegrated parton densities in a proton are determined by the Kimber-Martin-Ryskin prescription. Our numerical predictions are compared with the data taken by the D0, CDF and CMS collaborations at the Tevatron and LHC energies. Special attention is put on the specific angular distributions measured very recently by the CDF collaboration for the first time.

Primary authors

Dr Artem Lipatov (SINP MSU) Mr Maxim Malyshev (SINP MSU) Nikolay ZOTOV (SINP, Moscow State University)

Presentation materials