Unity of pomerons from gauge/string duality

dc.contributor.authorBallon-Bayona, Alfonso [UNESP]
dc.contributor.authorQuevedo, Robert Carcasses
dc.contributor.authorCosta, Miguel S.
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionUniv Porto
dc.date.accessioned2018-11-26T17:44:49Z
dc.date.available2018-11-26T17:44:49Z
dc.date.issued2017-08-21
dc.description.abstractWe develop a formalism where the hard and soft pomeron contributions to high energy scattering arise as leading Regge poles of a single kernel in holographic QCD. The kernel is obtained using effective field theory inspired by Regge theory of a 5-d string theory. It describes the exchange of higher spin fields in the graviton Regge trajectory that are dual to glueball states of twist two. For a specific holographic QCD model we describe Deep Inelastic Scattering in the Regge limit of low Bjorken x, finding good agreement with experimental data from HERA. The observed rise of the effective pomeron intercept, as the size of the probe decreases, is reproduced by considering the first four pomeron trajectories. In the case of soft probes, relevant to total cross sections, the leading hard pomeron trajectory is suppressed, such that in this kinematical region we reproduce an intercept of 1.09 compatible with the QCD soft pomeron data. In the spectral region of positive Maldelstam variable t the first two pomeron trajectories are consistent with current expectations for the glueball spectrum from lattice simulations.en
dc.description.affiliationUniv Estadual Paulista, Inst Fis Teor, Rua Dr Bento Teobaldo Ferraz,271 Bloco 2, BR-01140070 Sao Paulo, SP, Brazil
dc.description.affiliationUniv Porto, Fac Ciencias, Ctr Fis Porto, Rua Campo Alegre 687, P-4169007 Oporto, Portugal
dc.description.affiliationUniv Porto, Dept Fis & Astron, Rua Campo Alegre 687, P-4169007 Oporto, Portugal
dc.description.affiliationUnespUniv Estadual Paulista, Inst Fis Teor, Rua Dr Bento Teobaldo Ferraz,271 Bloco 2, BR-01140070 Sao Paulo, SP, Brazil
dc.description.sponsorship[European Union] 7th Framework Programme (Marie Curie Actions)
dc.description.sponsorshipSimons Foundation
dc.description.sponsorshipFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
dc.description.sponsorshipFoundation for Science and Technology of Portugal (FCT)
dc.description.sponsorshipId[European Union] 7th Framework Programme (Marie Curie Actions): 317089
dc.description.sponsorshipIdSimons Foundation: 488637
dc.description.sponsorshipIdFAPESP: 2015/17609-3
dc.description.sponsorshipId: CERN/FIS-NUC/0045/2015
dc.format.extent32
dc.identifierhttp://dx.doi.org/10.1007/JHEP08(2017)085
dc.identifier.citationJournal Of High Energy Physics. New York: Springer, n. 8, 32 p., 2017.
dc.identifier.doi10.1007/JHEP08(2017)085
dc.identifier.fileWOS000423044200001.pdf
dc.identifier.issn1029-8479
dc.identifier.urihttp://hdl.handle.net/11449/163752
dc.identifier.wosWOS:000423044200001
dc.language.isoeng
dc.publisherSpringer
dc.relation.ispartofJournal Of High Energy Physics
dc.rights.accessRightsAcesso aberto
dc.sourceWeb of Science
dc.subjectDeep Inelastic Scattering (Phenomenology)
dc.subjectStrings and branes phenomenology
dc.titleUnity of pomerons from gauge/string dualityen
dc.typeArtigo
dcterms.licensehttp://www.springer.com/open+access/authors+rights?SGWID=0-176704-12-683201-0
dcterms.rightsHolderSpringer
unesp.author.orcid0000-0003-0905-5086[2]

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