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dc.contributor.authorAab, A.
dc.contributor.authorBueno Villar, Antonio 
dc.contributor.authorPierre Auger Collaboration
dc.date.accessioned2020-11-17T12:37:54Z
dc.date.available2020-11-17T12:37:54Z
dc.date.issued2020-08-18
dc.identifier.citationAab, A., Abreu, P., Aglietta, M. et al. Direct measurement of the muonic content of extensive air showers between 2×1017 and 2×1018 eV at the Pierre Auger Observatory. Eur. Phys. J. C 80, 751 (2020). [https://doi.org/10.1140/epjc/s10052-020-8055-y]es_ES
dc.identifier.urihttp://hdl.handle.net/10481/64323
dc.descriptionThe successful installation, commissioning, and operation of the Pierre Auger Observatory would not have been possible without the strong commitment and effort from the technical and administrative staff in Malargue. We are very grateful to the following agencies and organizations for financial support: Argentina - Comision Nacional de Energia Atomica; Agencia Nacional de Promocion Cientifica y Tecnologica (ANPCyT); Consejo Nacional de Investigaciones Cientificas y Tecnicas (CONICET); Gobierno de la Provincia de Mendoza; Municipalidad deMalargue; NDMHoldings andValle Las Lenas; in gratitude for their continuing cooperation over land access; Australia - the Australian Research Council; Brazil - Conselho Nacional de Desenvolvimento Cientifico e Tecnologico (CNPq); Financiadora de Estudos e Projetos (FINEP); Fundacao de Amparo a Pesquisa do Estado de Rio de Janeiro (FAPERJ); Sao Paulo Research Foundation(FAPESP) Grants No. 2019/10151-2, No. 2010/07359-6 and No. 1999/05404-3; Ministerio da Ciencia, Tecnologia, Inovacoes e Comunicacoes (MCTIC); Czech Republic - Grant No. MSMTCRLTT18004, LO1305, LM2015038 and CZ.02.1.01/0.0/0.0/16_013/0001402; France - Centre de Calcul IN2P3/CNRS; Centre National de la Recherche Scientifique (CNRS); Conseil Regional Ile-de-France; Departement Physique Nucleaire et Corpusculaire (PNC-IN2P3/CNRS); Departement Sciences de l'Univers (SDU-INSU/CNRS); Institut Lagrange de Paris (ILP) Grant No. LABEX ANR-10-LABX-63 within the Investissements d'Avenir Programme Grant No. ANR-11-IDEX-0004-02; Germany - Bundesministerium fur Bildung und Forschung (BMBF); Deutsche Forschungsgemeinschaft (DFG); Finanzministerium Baden-Wurttemberg; Helmholtz Alliance for Astroparticle Physics (HAP); Helmholtz-Gemeinschaft Deutscher Forschungszentren (HGF); Ministerium fur Innovation, Wissenschaft und Forschung des Landes Nordrhein-Westfalen; Ministerium fur Wissenschaft, Forschung und Kunst des Landes Baden-Wurttemberg; Italy - Istituto Nazionale di Fisica Nucleare (INFN); Istituto Nazionale di Astrofisica (INAF); Ministero dell'Istruzione, dell'Universita e della Ricerca (MIUR); CETEMPS Center of Excellence; Ministero degli Affari Esteri (MAE); Mexico - Consejo Nacional de Ciencia y Tecnologia (CONACYT) No. 167733; Universidad Nacional Autonoma de Mexico (UNAM); PAPIIT DGAPA-UNAM; The Netherlands - Ministry of Education, Culture and Science; Netherlands Organisation for Scientific Research (NWO); Dutch national e-infrastructure with the support of SURF Cooperative; Poland - Ministry of Science and Higher Education, grant No. DIR/WK/2018/11; National Science Centre, Grants No. 2013/08/M/ST9/00322, No. 2016/23/B/ST9/01635 and No. HAR-MONIA5-2013/10/M/ST9/00062, UMO-2016/22/M/ST9/00198; Portugal - Portuguese national funds and FEDER funds within Programa Operacional Factores de Competitividade through Fundacao para a Ciencia e a Tecnologia (COMPETE); Romania - Romanian Ministry of Research and Innovation CNCS/CCCDI-UESFISCDI, projects PN-III-P1-1.2-PCCDI-2017-0839/19PCCDI/2018 and PN18090102 within PNCDI III; Slovenia - Slovenian Research Agency, grants P1-0031, P1-0385, I0-0033, N1-0111; Spain - Ministerio de Economia, Industria y Competitividad (FPA2017-85114-P and FPA2017-85197-P), Xunta de Galicia ( Portugal - ED431C2017/07), Junta de Andalucia (SOMM17/6104/UGR), Feder Funds, RENATA Red Nacional Tematica de Astroparticulas (FPA2015-68783-REDT) and Maria de Maeztu Unit of Excellence (MDM-2016-0692); USA -Department of Energy, Contracts No. DE-AC02-07CH11359, No. DE-FR02-04ER41300, No. DE-FG02-99ER41107 and No. r DE-SC0011689; National Science Foundation, Grant No. 0450696; The Grainger Foundation; Marie Curie-IRSES/EPLAN-ET; European Particle Physics Latin American Network; and UNESCO.es_ES
dc.description.abstractThe hybrid design of the Pierre Auger Observatory allows for the measurement of the properties of extensive air showers initiated by ultra-high energy cosmic rays with unprecedented precision. By using an array of prototype underground muon detectors, we have performed the first direct measurement, by the Auger Collaboration, of the muon content of air showers between 2×1017 and 2×1018 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 1017.5eV and 1018eV. 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_ES
dc.description.sponsorshipArgentina - Comision Nacional de Energia Atomicaes_ES
dc.description.sponsorshipArgentina - Agencia Nacional de Promocion Cientifica y Tecnologica (ANPCyT)es_ES
dc.description.sponsorshipArgentina - Consejo Nacional de Investigaciones Cientificas y Tecnicas (CONICET)es_ES
dc.description.sponsorshipArgentina - Gobierno de la Provincia de Mendozaes_ES
dc.description.sponsorshipArgentina - Municipalidad de Malarguees_ES
dc.description.sponsorshipArgentina - NDMHoldingses_ES
dc.description.sponsorshipArgentina - Valle Las Lenases_ES
dc.description.sponsorshipAustralian Research Counciles_ES
dc.description.sponsorshipNational Council for Scientific and Technological Development (CNPq)es_ES
dc.description.sponsorshipBrazil - Financiadora de Estudos e Projetos (FINEP)es_ES
dc.description.sponsorshipCarlos Chagas Filho Foundation for Research Support of the State of Rio de Janeiro (FAPERJ)es_ES
dc.description.sponsorshipFundacao de Amparo a Pesquisa do Estado de Sao Paulo (FAPESP) 2019/10151-2 2010/07359-6 1999/05404-3es_ES
dc.description.sponsorshipBrazil - Ministerio da Ciencia, Tecnologia, Inovacoes e Comunicacoes (MCTIC)es_ES
dc.description.sponsorshipFrance - Centre de Calcul IN2P3/CNRSes_ES
dc.description.sponsorshipCentre National de la Recherche Scientifique (CNRS)es_ES
dc.description.sponsorshipFrance - Conseil Regional Ile-de-Francees_ES
dc.description.sponsorshipFrance - Departement Physique Nucleaire et Corpusculaire (PNC-IN2P3/CNRS)es_ES
dc.description.sponsorshipFrance - Departement Sciences de l'Univers (SDU-INSU/CNRS)es_ES
dc.description.sponsorshipFrench National Research Agency (ANR) LABEX ANR-10-LABX-63 ANR-11-IDEX-0004-02es_ES
dc.description.sponsorshipFederal Ministry of Education & Research (BMBF)es_ES
dc.description.sponsorshipGerman Research Foundation (DFG)es_ES
dc.description.sponsorshipGermany - Finanzministerium Baden-Wurttemberges_ES
dc.description.sponsorshipGermany - Helmholtz Alliance for Astroparticle Physics (HAP)es_ES
dc.description.sponsorshipGermany - Helmholtz-Gemeinschaft Deutscher Forschungszentren (HGF)es_ES
dc.description.sponsorshipGermany - Ministerium fur Innovation, Wissenschaft und Forschung des Landes Nordrhein-Westfalenes_ES
dc.description.sponsorshipGermany - Ministerium fur Wissenschaft, Forschung und Kunst des Landes Baden-Wurttemberges_ES
dc.description.sponsorshipItaly - Istituto Nazionale di Fisica Nucleare (INFN)es_ES
dc.description.sponsorshipItaly - Istituto Nazionale di Astrofisica (INAF)es_ES
dc.description.sponsorshipItaly - Ministero dell'Istruzione, dell'Universita e della Ricerca (MIUR)es_ES
dc.description.sponsorshipItaly - CETEMPS Center of Excellencees_ES
dc.description.sponsorshipItaly - Ministero degli Affari Esteri (MAE)es_ES
dc.description.sponsorshipConsejo Nacional de Ciencia y Tecnologia (CONACyT) 167733es_ES
dc.description.sponsorshipMexico - Universidad Nacional Autonoma de Mexico (UNAM)es_ES
dc.description.sponsorshipMexico - PAPIIT DGAPA-UNAMes_ES
dc.description.sponsorshipNetherlands Organization for Scientific Research (NWO)es_ES
dc.description.sponsorshipSURF Cooperativees_ES
dc.description.sponsorshipPoland - Ministry of Science and Higher Education DIR/WK/2018/11es_ES
dc.description.sponsorshipPoland - National Science Centre 2013/08/M/ST9/00322 2016/23/B/ST9/01635 HAR-MONIA5-2013/10/M/ST9/00062 UMO-2016/22/M/ST9/00198es_ES
dc.description.sponsorshipThe Netherlands - Ministry of Education, Culture and Sciencees_ES
dc.description.sponsorshipPortugal - Portuguese national fundses_ES
dc.description.sponsorshipPortugal - FEDER funds within Programa Operacional Factores de Competitividade through Fundacao para a Ciencia e a Tecnologia (COMPETE)es_ES
dc.description.sponsorshipRomania - Romanian Ministry of Research and Innovation CNCS/CCCDI-UESFISCDI within PNCDI III PN-III-P1-1.2-PCCDI-2017-0839/19PCCDI/2018 PN18090102es_ES
dc.description.sponsorshipSlovenia - Slovenian Research Agency P1-0031 P1-0385 I0-0033 N1-0111es_ES
dc.description.sponsorshipSpain - Ministerio de Economia, Industria y Competitividad FPA2017-85114-P FPA2017-85197-Pes_ES
dc.description.sponsorshipSpain - Xunta de Galicia ED431C2017/07es_ES
dc.description.sponsorshipJunta de Andalucia SOMM17/6104/UGRes_ES
dc.description.sponsorshipSpain - Feder Fundses_ES
dc.description.sponsorshipSpain - RENATA Red Nacional Tematica de Astroparticulas FPA2015-68783-REDTes_ES
dc.description.sponsorshipSpain - Maria de Maeztu Unit of Excellence MDM-2016-0692es_ES
dc.description.sponsorshipUnited States Department of Energy (DOE) DE-AC02-07CH11359 DE-FR02-04ER41300 DE-FG02-99ER41107 DE-SC0011689es_ES
dc.description.sponsorshipNational Science Foundation (NSF) 0450696es_ES
dc.description.sponsorshipUSA - Grainger Foundationes_ES
dc.description.sponsorshipMarie Curie-IRSES/EPLAN-ETes_ES
dc.description.sponsorshipEuropean Particle Physics Latin American Networkes_ES
dc.description.sponsorshipUNESCOes_ES
dc.description.sponsorshipMSMTCRLTT18004es_ES
dc.description.sponsorshipLO1305es_ES
dc.description.sponsorshipLM2015038es_ES
dc.description.sponsorshipCZ.02.1.01/0.0/0.0/16_013/0001402es_ES
dc.language.isoenges_ES
dc.publisherSpringer Naturees_ES
dc.rightsAtribución 3.0 España*
dc.rights.urihttp://creativecommons.org/licenses/by/3.0/es/*
dc.titleDirect measurement of the muonic content of extensive air showers between 2 × 1017 and 2 × 1018 eV at the Pierre Auger Observatoryes_ES
dc.typejournal articlees_ES
dc.rights.accessRightsopen accesses_ES
dc.identifier.doi10.1140/epjc/s10052-020-8055-y
dc.type.hasVersionVoRes_ES


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