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

Abstract

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.

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

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Cited by in corpus (21)

• The CCFM Monte Carlo generator CASCADE 2.2.0
• Helicity amplitudes for high-energy scattering
• Forward Z-boson production and the unintegrated sea quark density
• CASCADE3 A Monte Carlo event generator based on TMDs
• Lam-Tung relation breaking in $Z^0$ hadroproduction as a probe of parton transverse momentum
• A comparative study of small x Monte Carlos with and without QCD coherence effects
• Production of electroweak gauge bosons in off-shell gluon-gluon fusion
• Drell-Yan phenomenology in the color dipole picture revisited
• Jet correlations from unintegrated parton distributions
• Prompt photon production in proton collisions as a probe of parton scattering in high energy limit
• Associated production of $Z$ bosons and $b$-jets at the LHC in the combined $k_T$ + collinear QCD factorization approach
• TMD parton shower effects in associated $\gamma$ + jet production at LHC
• On relation between Parton Branching Approach and CCFM evolution
• A kT-dependent sea-quark density for the CASCADE Monte Carlo event generator
• Heavy quark impact factor in kT-factorization
• On the quark component in prompt photon and electroweak gauge boson production at high energies
• Drell-Yan production with the CCFM-K evolution
• Inclusive gauge boson production in the color dipole formalism
• Discriminating the heavy jet production mechanisms in associated $Z$ + heavy flavor events at the LHC
• On the possibility to detect the Higgs decay $H\to b\bar{b}$ in the associated $Z+b\bar{b}$ production at the LHC
• Probing the proton structure with associated vector boson and heavy flavor jet production at the LHC