Drell-Yan lepton pair production at high energies in the kt-factorization approach

Abstract

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.

14 pages, 6 figures

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• Parton distributions for the LHC
• Vector boson production at hadron colliders: a fully exclusive QCD calculation at NNLO
• The W boson production cross section at the LHC through O(alpha_s^2)
• High Energy Resummation of Drell-Yan Processes
• First Measurement of the Angular Coefficients of Drell-Yan $e^{+}{e}^{-}$ pairs in the Z Mass Region from $p\bar{p}$ Collisions at $\sqrt{s}$ = 1.96 TeV
• Measurement of the Drell-Yan Cross Section in pp Collisions at sqrt(s) = 7 TeV
• Angular distribution of leptons from the decay of massive vector bosons

Cited by in corpus (10)

• Forward Z-boson production and the unintegrated sea quark density
• Predictions for Drell-Yan ϕ* and Q_T observables at the LHC
• Drell-Yan lepton pair production at high energies in the Parton Reggeization Approach
• Resummation effects in forward production of Z0+jet at LHC
• Transition between soft physics at LHC and low-x physics at HERA
• Drell-Yan lepton pair production at LHC and TMD quark densities of the proton
• Significance of non-perturbative input to TMD gluon density for hard processes at LHC
• Isolated prompt photon pair production at hadron colliders with kt-factorization
• A validity check of the KATIE parton level event generator in the $k_t$-factorization and collinear frameworks
• The analysis of Drell-Yan lepton pair production in the P-P(P) colliders using different angular ordering constraints and $k_t$-factorization approach