Please use this identifier to cite or link to this item: https://repositorio.ufba.br/handle/ri/5862
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dc.contributor.authorAbraham, J.-
dc.contributor.authorAbreu, P.-
dc.contributor.authorAglietta, M.-
dc.contributor.authorAhn, E. J.-
dc.contributor.authorAllard, D.-
dc.contributor.authorAllen, J.-
dc.contributor.authorAlvarez Muñiz, J.-
dc.contributor.authorPepe, Iuri Muniz-
dc.creatorAbraham, J.-
dc.creatorAbreu, P.-
dc.creatorAglietta, M.-
dc.creatorAhn, E. J.-
dc.creatorAllard, D.-
dc.creatorAllen, J.-
dc.creatorAlvarez Muñiz, J.-
dc.creatorPepe, Iuri Muniz-
dc.date.accessioned2012-05-14T20:20:09Z-
dc.date.issued2010-03-08-
dc.identifier.issn0370-2693-
dc.identifier.urihttp://www.repositorio.ufba.br/ri/handle/ri/5862-
dc.descriptionTrabalho completo: acesso restrito, p. 239–246pt_BR
dc.description.abstractWe report a measurement of the flux of cosmic rays with unprecedented precision and statistics using the Pierre Auger Observatory. Based on fluorescence observations in coincidence with at least one surface detector we derive a spectrum for energies above 1018 eV. We also update the previously published energy spectrum obtained with the surface detector array. The two spectra are combined addressing the systematic uncertainties and, in particular, the influence of the energy resolution on the spectral shape. The spectrum can be described by a broken power law E−γ with index γ=3.3 below the ankle which is measured at log10(Eankle/eV)=18.6. Above the ankle the spectrum is described by a power law with index 2.6 followed by a flux suppression, above about log10(E/eV)=19.5, detected with high statistical significance.pt_BR
dc.language.isoenpt_BR
dc.publisherElsevierpt_BR
dc.sourcehttp://dx.doi.org/10.1016/j.physletb.2010.02.013pt_BR
dc.subjectPierre Auger Observatorypt_BR
dc.subjectCosmic rayspt_BR
dc.subjectEnergy spectrumpt_BR
dc.titleMeasurement of the energy spectrum of cosmic rays above 1018 eV using the Pierre Auger Observatorypt_BR
dc.title.alternativePhysics Letters Bpt_BR
dc.typeArtigo de Periódicopt_BR
dc.identifier.numberv. 685, n. 4–5pt_BR
dc.embargo.liftdate10000-01-01-
Appears in Collections:Artigo Publicado em Periódico (Química)

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