Direct measurement of the muonic content of extensive air showers between 2 × 10^17 and 2 × 10^18 eV at the Pierre Auger Observatory

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dc.citation.titleEuropean Physical Journal Ces
dc.citation.volume80es
dc.creatorAab, A.
dc.creatorAbreu, P.
dc.creatorAglietta, M.
dc.creatorFreire, M. M.
dc.creatorZepeda, A.
dc.creatorZiolkowski, M.
dc.creatorZuccarello, F.
dc.date.accessioned2021-04-19T19:18:59Z
dc.date.available2021-04-19T19:18:59Z
dc.date.issued2020-08-18
dc.descriptionThe hybrid design of the Pierre Auger Observa tory allows for the measurement of the properties of exten sive air showers initiated by ultra-high energy cosmic rays with unprecedented precision. By using an array of proto type underground muon detectors, we have performed the first direct measurement, by the Auger Collaboration, of the muon content of air showers between 2 × 10^17 and 2 × 10^18 eV. We have studied the energy evolution of the attenuation corrected muon density, and compared it to predictions from air shower simulations. The observed densities are found to be larger than those predicted by models. We quantify this discrepancy by combining the measurements from the muon detector with those from the Auger fluorescence detector at 1017.5 eV and 1018 eV. We find that, for the models to explain the data, an increase in the muon density of 38% ±4%(12%) ±21% 18% for EPOS- LHC, and of 50%(53%) ±4%(13%) ±23% 20% for QGSJetII- 04, is respectively needed.es
dc.descriptionEl presente articulo tiene una totalidad de 373 autores, los nombres y filiaciones completos se encuentran en el documento descargable.
dc.description.filFil: Aab, A. Radboud University Nijmegen. Institute for Mathematics, Astrophysics and Particle Physics (IMAPP); Netherlands.es
dc.description.filFil: Abreu, P. Universidade de Lisboa. Laboratório de Instrumentação e Física Experimental de Partículas (LIP); Portugal.es
dc.description.filFil: Aglietta, M. Istituto Nazionale di Fisica Nucleare (INFN). Sezione di Torino; Italy.es
dc.description.filFil: Aglietta, M. Osservatorio Astrofisico di Torino (INAF); Italy.es
dc.description.filFil: Freire, M. M. Universidad Nacional de Rosario. Facultad de Ciencias Bioquímicas y Farmacéuticas. Instituto de Física de Rosario (IFIR -CONICET); Argentina.es
dc.description.filFil: Zepeda, A. Centro de Investigación y de Estudios Avanzados del IPN (CINVESTAV); México.es
dc.description.filFil: Ziolkowski, M. Universität Siegen. Fachbereich 7 Physik – Experimentelle Teilchenphysik; Germany.es
dc.description.filFil: Zuccarello, F. Istituto Nazionale di Fisica Nucleare (INFN). Sezione di Catania; Italy.es
dc.description.filFil: Zuccarello, F. Università di Catania. Dipartimento di Fisica e Astronomia; Italy.es
dc.description.sponsorshipComisión Nacional de Energía Atómica (CNEA)es
dc.description.sponsorshipAgencia Nacional de Promoción Científica y Tecnológica (ANPCyT)es
dc.description.sponsorshipConsejo Nacional de Investigaciones Científicas y Técnicas (CONICET)es
dc.description.sponsorshipGobierno de la Provincia de Mendoza. Municipalidad de Malargüees
dc.description.sponsorshipNDM Holdings and Valle Las Leñases
dc.formatapplication/pdf
dc.format.extent1-19es
dc.identifier.issn1434-6052es
dc.identifier.urihttp://hdl.handle.net/2133/20516
dc.language.isoenges
dc.publisherSpringeres
dc.relation.publisherversionhttps://doi.org/10.1140/epjc/s10052-020-8055-yes
dc.relation.publisherversionhttps://link.springer.com/article/10.1140/epjc/s10052-020-8055-yes
dc.rightsopenAccesses
dc.rights.holderAab, A.es
dc.rights.holderAbreu, P.es
dc.rights.holderAglietta, M.es
dc.rights.holderFreire, M. M.es
dc.rights.holderZepeda, A.es
dc.rights.holderZiolkowski, M.es
dc.rights.holderZuccarello, F.es
dc.rights.holderUniversidad Nacional de Rosario
dc.rights.textAttribution 4.0 International (CC BY 4.0)es
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/*
dc.subjectExtensive Air Showerses
dc.subjectCosmic Rayses
dc.subjectAstroparticleses
dc.subjectMuones
dc.titleDirect measurement of the muonic content of extensive air showers between 2 × 10^17 and 2 × 10^18 eV at the Pierre Auger Observatoryes
dc.typearticle
dc.typeartículo
dc.typepublishedVersion
dc.type.collectionarticulo
dc.type.versionpublishedVersiones

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