Exclusive vector meson production at HERA from QCD with saturation

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dc.creatorMarquet, C.
dc.creatorPeschanski, R.
dc.creatorSoyez, G.
dc.date2007-02-16
dc.date2007-06-27
dc.date.accessioned2026-07-07T11:59:06Z
dc.date.available2026-07-07T11:59:06Z
dc.descriptionFollowing recent predictions that the geometric scaling properties of deep inelastic scattering data in inclusive gamma*-p collisions are expected also in exclusive diffractive processes, we investigate the diffractive production of vector mesons. Using analytic results in the framework of the BK equation at non-zero momentum transfer, we extend to the non-forward amplitude a QCD-inspired forward saturation model including charm, following the theoretical predictions for the momentum transfer dependence of the saturation scale. We obtain a good fit to the available HERA data and make predictions for deeply virtual Compton scattering measurements.
dc.description10 pages, 5 figures, full analysis including the charm contribution and J/PSI production. Conclusions confirmed
dc.identifierhttps://arxiv.org/abs/hep-ph/0702171
dc.identifierhttp://arxiv.org/abs/hep-ph/0702171
dc.identifierPhys.Rev.D76:034011,2007
dc.identifierdoi:10.1103/PhysRevD.76.034011
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/206446
dc.subjectHigh Energy Physics - Phenomenology
dc.titleExclusive vector meson production at HERA from QCD with saturation
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