Z and W production associated with quark-antiquark pair in k_T-factorization at the LHC

Details Z and W production associated with quark-antiquark pair in k_T-factorization at the LHC Z and W production associated with quark-antiquark pair in k_T-factorization at the LHC

2008-05-24

arxiv.org/abs/0805.3763v2

JHEP0809:035,2008

Physics

High Energy Physics

High Energy Physics - Phenomenology

25 pages, 18 figures, final version to be pubslished in JHEP

Scientific paper

10.1088/1126-6708/2008/09/035

We calculate and analyze Z and W production in association with quark-antiquark pair in k_T-factorization. Numerical calculations are performed using the Monte Carlo generator CASCADE for proton proton collisions at LHC energy. We compare total and differential cross sections calculated in k_T-factorization approach with total differential cross sections obtained in LO and NLO calculations in collinear factorization approach. We provide strong evidence that some of the effects of the NLO and even higher order collinear calculation are already included in the LO k_T-factorization calculation.

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