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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.authorAllekotte, I.-
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.creatorAllekotte, I.-
dc.creatorAllen, J.-
dc.creatorAlvarez Muñiz, J.-
dc.creatorPepe, Iuri Muniz-
dc.descriptionTrabalho completo: acesso restrito, p. 29–39pt_BR
dc.description.abstractThe surface detector array of the Pierre Auger Observatory consists of 1600 water-Cherenkov detectors, for the study of extensive air showers (EAS) generated by ultra-high-energy cosmic rays. We describe the trigger hierarchy, from the identification of candidate showers at the level of a single detector, amongst a large background (mainly random single cosmic ray muons), up to the selection of real events and the rejection of random coincidences. Such trigger makes the surface detector array fully efficient for the detection of EAS with energy above View the MathML source, for all zenith angles between 0∘ and 60∘, independently of the position of the impact point and of the mass of the primary particle. In these range of energies and angles, the exposure of the surface array can be determined purely on the basis of the geometrical acceptance.pt_BR
dc.subjectUltra high energy cosmic rayspt_BR
dc.subjectAuger Observatorypt_BR
dc.subjectExtensive air showerspt_BR
dc.titleTrigger and aperture of the surface detector array of the Pierre Auger Observatorypt_BR
dc.title.alternativeNuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipmentpt_BR
dc.typeArtigo de Periódicopt_BR
dc.identifier.numberv. 613, n. 1pt_BR
Appears in Collections:Artigo Publicado em Periódico (Química)

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