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dc.contributor.authorRocha, Mateus Broilo dapt_BR
dc.contributor.authorFagundes, Daniel Almeidapt_BR
dc.contributor.authorLuna, Emerson Gustavo de Souzapt_BR
dc.contributor.authorMenon, Marcio Josept_BR
dc.date.accessioned2020-01-14T04:15:36Zpt_BR
dc.date.issued2019pt_BR
dc.identifier.issn0370-2693pt_BR
dc.identifier.urihttp://hdl.handle.net/10183/204127pt_BR
dc.description.abstractRecently the TOTEM experiment at the LHC has released measurements at √s=13 TeV of the proton-proton total cross section, σtot, and the ratio of the real to imaginary parts of the forward elastic amplitude, ρ. Since then an intense debate on the C-parity asymptotic nature of the scattering amplitude was initiated. We examine the proton-proton and the antiproton-proton forward data above 10 GeV in the context of an eikonal QCD-based model, where nonperturbative effects are readily included via a QCD effective charge. We show that, despite an overall satisfactory description of the forward data is obtained by a model in which the scattering amplitude is dominated by only crossing-even elastic terms, there is evidence that the introduction of a crossing-odd term may improve the agreement with the measurements of ρ at √s=13 TeV. In the Regge language the dominant even(odd)-under-crossing object is the so called Pomeron (Odderon).en
dc.format.mimetypeapplication/pdfpt_BR
dc.language.isoengpt_BR
dc.relation.ispartofPhysics letters. B. Amsterdam. Vol. 799 (Dec. 2019), p. 1-5pt_BR
dc.rightsOpen Accessen
dc.subjectOther nonperturbative calculationsen
dc.subjectEspalhamento proton protonpt_BR
dc.subjectElastic scatteringen
dc.subjectHadronspt_BR
dc.subjectPomeronspt_BR
dc.subjectTotal cross-sectionsen
dc.subjectAltas energiaspt_BR
dc.titleProton-proton forward scattering at the LHCpt_BR
dc.typeArtigo de periódicopt_BR
dc.identifier.nrb001109577pt_BR
dc.type.originEstrangeiropt_BR


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