Phenomenology of kt-factorization for inclusive top quark pair production at hadron colliders

Abstract

We investigate the inclusive top quark pair production in proton-proton and proton-antiproton collisions at high energies in the framework of kt-factorization QCD approach. Our study is based on the off-shell partonic subprocesses g*g* -> QQ and q*q* -> QQ, where the transverse momentum of both incoming quarks and gluons are taken into account. The unintegrated parton densities in a proton are determined by the Kimber-Martin-Ryskin prescription as well as the CCFM evolution equation. The conservative error analisys is performed and comparison with the results of traditional NLO pQCD calculations is done. Our predictions agree well with the recent experimental data taken by the D0, CDF, CMS and ATLAS collaborations at the Tevatron and LHC energies.

8 pages, 2 figures

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• Un-integrated PDFs in CCFM
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Cited by in corpus (5)

• Gluon Regge trajectory at two loops from Lipatov's high energy effective action
• Transition between soft physics at LHC and low-x physics at HERA
• A new phenomenological Investigation of $KMR$ and $MRW$ $unintegrated$ parton distribution functions
• Employing RHIC and LHC data to determine TMD gluon density in a proton
• Computing the full two-loop gluon Regge trajectory within Lipatov's high energy effective action