An "all-poles" approximation to collinear resummations in the Regge limit of perturbative QCD

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dc.creatorVera, Agustin Sabio
dc.date2005-05-14
dc.date.accessioned2026-07-07T11:04:45Z
dc.date.available2026-07-07T11:04:45Z
dc.descriptionThe procedure to improve the convergence in transverse momentum space of the NLL BFKL kernel using a w-shift is revisited. An accurate approximation to this shift only depending on transverse momenta is presented. This approximation is based on a Bessel function of the first kind with argument depending on the strong coupling and a double logarithm of the ratio of transverse scales. A comparison between different renormalization schemes is also included.
dc.description16 pages, 9 figures
dc.identifierhttps://arxiv.org/abs/hep-ph/0505128
dc.identifierhttp://arxiv.org/abs/hep-ph/0505128
dc.identifierNucl.Phys.B722:65-80,2005
dc.identifierdoi:10.1016/j.nuclphysb.2005.06.003
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/188999
dc.subjectHigh Energy Physics - Phenomenology
dc.titleAn "all-poles" approximation to collinear resummations in the Regge limit of perturbative QCD
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