A Contribution of Photon Hadronic Component in the Leptoproduction Charmed Structure Function at Large x and Q^2

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dc.creatorGolubkov, D. Yu.
dc.creatorGolubkov, Yu. A.
dc.date2001-06-26
dc.date2002-09-06
dc.date.accessioned2026-07-07T03:44:50Z
dc.date.available2026-07-07T03:44:50Z
dc.descriptionWe calculated the contribution of the photon hadronic component in the charmed structure function of the leptoproduction. The contribution comes from scattering of the c quarks of the virtual photon on the quarks and gluons of the proton. Comparison of our calculations with the measurements of the charm production in $μ^+p$-scattering by EMC shows, that contribution of resolved photon can explain the excess of EMC data over the predictions of the photon-gluon fusion model at large momentum transfers. Thus, one does not need to use a non-perturbative admixture of the charmed quarks in the proton wave function (''intrinsic charm'') to describe such an excess in EMC data.
dc.description18 pages, 2 PostScript figures, Latex2e. In new version two misprints in references corrected
dc.identifierhttps://arxiv.org/abs/hep-ph/0106284
dc.identifierhttp://arxiv.org/abs/hep-ph/0106284
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/40729
dc.subjectHigh Energy Physics - Phenomenology
dc.titleA Contribution of Photon Hadronic Component in the Leptoproduction Charmed Structure Function at Large x and Q^2
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