%0 Journal Article
%A Lipatov, A. V.
%A Malyshev, M. A.
%A Jung, Hannes
%T TMD parton shower effects in associated γ+ jet production at the LHC
%J Physical review / D
%V 100
%N 3
%@ 2470-0010
%C Melville, NY
%I Inst.302363
%M PUBDB-2020-00320
%M arXiv:1906.10552
%M DESY-19-114
%P 034028
%D 2019
%Z 12 pages, 4 figures. arXiv admin note: text overlap with arXiv:1708.07079
%X We investigate associated prompt photon and hadronic jet production at the LHC energies using the kT-factorization approach. Our consideration is based on the O(ααs2) off-shell gluon-gluon fusion subprocess g*g*→γqq¯ and several subleading quark-initiated contributions from O(ααs) and O(ααs2) subprocesses, taken into account in the conventional (collinear) QCD factorization. The transverse momentum–dependent (or unintegrated) gluon densities in a proton are derived from Catani-Ciafaloni-Fiorani-Marchesini evolution equation. We achieve reasonably good agreement with the experimental data taken by CMS and ATLAS Collaborations and demonstrate the importance of initial-state parton showers for jet determination in the kT-factorization approach.
%K jet: associated production (INSPIRE)
%K parton: showers (INSPIRE)
%K transverse momentum: factorization (INSPIRE)
%K jet: hadronic (INSPIRE)
%K quantum chromodynamics: factorization (INSPIRE)
%K gluon gluon: fusion (INSPIRE)
%K gluon: density (INSPIRE)
%K photon: direct production (INSPIRE)
%K CERN LHC Coll (INSPIRE)
%K transverse momentum dependence (INSPIRE)
%K CCFM equation (INSPIRE)
%K initial state (INSPIRE)
%K factorization: collinear (INSPIRE)
%K off-shell (INSPIRE)
%K ATLAS (INSPIRE)
%K CMS (INSPIRE)
%F PUB:(DE-HGF)29 ; PUB:(DE-HGF)16
%9 ReportJournal Article
%U <Go to ISI:>//WOS:000483047100001
%R 10.1103/PhysRevD.100.034028
%U https://bib-pubdb1.desy.de/record/434766