Prompt photon hadroproduction at high energies in off-shell gluon-gluon fusion

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dc.creatorBaranov, S. P.
dc.creatorLipatov, A. V.
dc.creatorZotov, N. P.
dc.date2007-08-27
dc.date2008-02-27
dc.date.accessioned2026-07-07T11:42:03Z
dc.date.available2026-07-07T11:42:03Z
dc.descriptionThe amplitude for production of a single photon associated with quark pair in the fusion of two off-shell gluons is calculated. The matrix element found is applied to the inclusive prompt photon hadroproduction at high energies in the framework of kt-factorization QCD approach. The total and differential cross sections are calculated in both central and forward pseudo-rapidity regions. The conservative error analisys is performed. We used the unintegrated gluon distributions in a proton which were obtained from the full CCFM evolution equation as well as from the Kimber-Martin-Ryskin prescription. Theoretical results were compared with recent experimental data taken by the D0 and CDF collaborations at Fermilab Tevatron. Theoretical predictions for the LHC energies are given.
dc.description32 pages, 18 figures
dc.identifierhttps://arxiv.org/abs/0708.3560
dc.identifierhttp://arxiv.org/abs/0708.3560
dc.identifierPhys.Rev.D77:074024,2008
dc.identifierdoi:10.1103/PhysRevD.77.074024
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/200751
dc.subjectHigh Energy Physics - Phenomenology
dc.titlePrompt photon hadroproduction at high energies in off-shell gluon-gluon fusion
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