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@ARTICLE{Lipatov:192622,
      author       = {Lipatov, Artem and Zotov, Nikolai},
      title        = {{TMD} parton densities in associated real and virtual
                      photon and jet production at {LHC}},
      journal      = {Physical review / D},
      volume       = {90},
      number       = {9},
      issn         = {1550-7998},
      address      = {[S.l.]},
      publisher    = {Soc.},
      reportid     = {PUBDB-2014-04204, DESY-14-197. arXiv:1409.0514},
      pages        = {094005},
      year         = {2014},
      note         = {OA},
      abstract     = {We study the associated production of real (isolated) or
                      virtual photons (with their subsequent leptonic decay) and
                      hadronic jets in proton-proton collisions at the LHC using
                      the ${k}_{T}$-factorization approach of QCD. The
                      consideration is based on the off-shell quark-gluon QCD
                      Compton scattering subprocesses. In the case of virtual
                      photon production, the contributions from $Z$ boson exchange
                      as well as ${\gamma }^{*}-Z$ interference with the full spin
                      correlations are included. The transversemomentum-dependent
                      (TMD) quark and gluon densities in a proton are determined
                      from the Kimber-Martin-Ryskin prescription or
                      Catani-Ciafoloni-Fiorani-Marchesini (CCFM) equation. In the
                      latter, we restrict to the case where the gluon-to-quark
                      splitting occurs at the last evolution step and calculate
                      the sea quark density as a convolution of the CCFM-evolved
                      gluon distribution and the TMD gluon-to-quark splitting
                      function. Our numerical predictions are compared with the
                      recent experimental data taken by the ATLAS Collaboration.
                      We discuss the theoretical uncertainties of our calculations
                      and argue that further studies are capable of constraining
                      the TMD parton densities in the proton.},
      keywords     = {photon: virtual (autogen) / parton: density (autogen) /
                      gluon: density (autogen) / quark: density (autogen) /
                      photon: production (autogen) / jet: production (autogen) /
                      spin: correlation (autogen) / jet: hadronic (autogen) / Z0:
                      exchange (autogen) / quark: sea (autogen) / transverse
                      momentum: factorization (autogen) / p p: scattering
                      (autogen) / transverse momentum dependence (autogen) /
                      quantum chromodynamics (autogen) / CERN LHC Coll (autogen) /
                      associated production (autogen) / evolution equation
                      (autogen) / Compton scattering (autogen) / splitting
                      function (autogen) / leptonic decay (autogen) / CCFM
                      equation (autogen) / interference (autogen) / quark gluon
                      (autogen) / splitting (autogen) / off-shell (autogen) /
                      ATLAS (autogen)},
      cin          = {CMS},
      ddc          = {530},
      cid          = {I:(DE-H253)CMS-20120731},
      pnm          = {Experiments at LHC (CMS) (POF2-512)},
      pid          = {G:(DE-H253)POF2-LHC-Exp.-(CMS)-20130405},
      experiment   = {EXP:(DE-H253)LHC-Exp-CMS-20150101},
      typ          = {PUB:(DE-HGF)16 / PUB:(DE-HGF)15},
      eprint       = {1409.0514},
      howpublished = {arXiv:1409.0514},
      archivePrefix = {arXiv},
      SLACcitation = {$\%\%CITATION$ = $arXiv:1409.0514;\%\%$},
      doi          = {10.1103/PhysRevD.90.094005},
      url          = {https://bib-pubdb1.desy.de/record/192622},
}