NLO BFKL at work: the electroproduction of two light vector mesons

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dc.creatorIvanov, Dmitri Yu.
dc.creatorPapa, Alessandro
dc.date2006-12-23
dc.date.accessioned2026-07-07T10:37:40Z
dc.date.available2026-07-07T10:37:40Z
dc.descriptionThe amplitude for the forward electroproduction of two light vector mesons can be written completely within perturbative QCD in the Regge limit with next-to-leading accuracy, thus providing the first example of a physical application of the BFKL approach at the next-to-leading order. Recently, a numerical determination of the amplitude has been obtained in the case of equal photon virtualities, by using a definite representation for the amplitude and a definite optimization method for the perturbative series. Here, we study the main systematic effects in the previous determination, by considering a different representation of the amplitude and different optimization methods of the perturbative series. Moreover, we compare our result for the differential cross section at the minimum $|t|$ with a different approach, based on collinear kernel improvement.
dc.description7 pages, 4 figures; proceedings of DIFFRACTION 2006, Workshop on Diffraction in High-Energy Physics, Milos (Greece), Sep. 5-10, 2006
dc.identifierhttps://arxiv.org/abs/hep-ph/0612322
dc.identifierhttp://arxiv.org/abs/hep-ph/0612322
dc.identifierPoSDIFF2006:027,2006
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/180458
dc.subjectHigh Energy Physics - Phenomenology
dc.titleNLO BFKL at work: the electroproduction of two light vector mesons
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