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.creator Aab, A.
dc.creator Abreu, P.
dc.creator Aglietta, M.
dc.creator Freire, M. M.
dc.creator Zepeda, A.
dc.creator Ziolkowski, M.
dc.creator Zuccarello, F. 2021-04-19T19:18:59Z 2021-04-19T19:18:59Z 2020-08-18
dc.identifier.issn 1434-6052 es
dc.description The 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.description El presente articulo tiene una totalidad de 373 autores, los nombres y filiaciones completos se encuentran en el documento descargable.
dc.description.sponsorship Comisión Nacional de Energía Atómica (CNEA) es
dc.description.sponsorship Agencia Nacional de Promoción Científica y Tecnológica (ANPCyT) es
dc.description.sponsorship Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET) es
dc.description.sponsorship Gobierno de la Provincia de Mendoza. Municipalidad de Malargüe es
dc.description.sponsorship NDM Holdings and Valle Las Leñas es
dc.format application/pdf
dc.format.extent 1-19 es
dc.language.iso eng es
dc.publisher Springer es
dc.rights openAccess es
dc.rights.uri *
dc.subject Extensive Air Showers es
dc.subject Cosmic Rays es
dc.subject Astroparticles es
dc.subject Muon es
dc.title Direct measurement of the muonic content of extensive air showers between 2 × 10^17 and 2 × 10^18 eV at the Pierre Auger Observatory es
dc.type article
dc.type artículo
dc.type publishedVersion
dc.rights.holder Aab, A. es
dc.rights.holder Abreu, P. es
dc.rights.holder Aglietta, M. es
dc.rights.holder Freire, M. M. es
dc.rights.holder Zepeda, A. es
dc.rights.holder Ziolkowski, M. es
dc.rights.holder Zuccarello, F. es
dc.rights.holder Universidad Nacional de Rosario
dc.relation.publisherversion es
dc.relation.publisherversion es
dc.rights.text Attribution 4.0 International (CC BY 4.0) es
dc.citation.title European Physical Journal C es
dc.citation.volume 80 es
dc.description.fil Fil: Aab, A. Radboud University Nijmegen. Institute for Mathematics, Astrophysics and Particle Physics (IMAPP); Netherlands. es
dc.description.fil Fil: Abreu, P. Universidade de Lisboa. Laboratório de Instrumentação e Física Experimental de Partículas (LIP); Portugal. es
dc.description.fil Fil: Aglietta, M. Istituto Nazionale di Fisica Nucleare (INFN). Sezione di Torino; Italy. es
dc.description.fil Fil: Aglietta, M. Osservatorio Astrofisico di Torino (INAF); Italy. es
dc.description.fil Fil: Freire, M. M. Universidad Nacional de Rosario. Facultad de Ciencias Bioquímicas y Farmacéuticas. Instituto de Física de Rosario (IFIR -CONICET); Argentina. es
dc.description.fil Fil: Zepeda, A. Centro de Investigación y de Estudios Avanzados del IPN (CINVESTAV); México. es
dc.description.fil Fil: Ziolkowski, M. Universität Siegen. Fachbereich 7 Physik – Experimentelle Teilchenphysik; Germany. es
dc.description.fil Fil: Zuccarello, F. Istituto Nazionale di Fisica Nucleare (INFN). Sezione di Catania; Italy. es
dc.description.fil Fil: Zuccarello, F. Università di Catania. Dipartimento di Fisica e Astronomia; Italy. es
dc.type.collection articulo
dc.type.version publishedVersion es

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