Small x gluon from exclusive J/psi production

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dc.creatorMartin, A. D.
dc.creatorNockles, C.
dc.creatorRyskin, M.
dc.creatorTeubner, T.
dc.date2007-09-27
dc.date.accessioned2026-07-07T11:37:34Z
dc.date.available2026-07-07T11:37:34Z
dc.descriptionExclusive J/psi production, gamma* p -> J/psi p, offers a unique opportunity to determine the gluon density of the proton in the small x domain. We use the available HERA data to determine the gluon distribution in the region 10^{-4} <~ x <~ 10^{-2} and 2 <~ Q^2 <~ 10 GeV^2, where the uncertainty on the gluon extracted from the global parton analyses is large. The gluon density is found to be approximately flat at the lower scale; it is compared with those of recent global analyses.
dc.description13 pages, 5 figures
dc.identifierhttps://arxiv.org/abs/0709.4406
dc.identifierhttp://arxiv.org/abs/0709.4406
dc.identifierPhys.Lett.B662:252-258,2008
dc.identifierdoi:10.1016/j.physletb.2008.02.067
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/199247
dc.subjectHigh Energy Physics - Phenomenology
dc.titleSmall x gluon from exclusive J/psi production
dc.typetext

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