Constraining models for the origin of ultra-high-energy cosmic rays with a novel combined analysis of arrival directions, spectrum, and composition data measured at the Pierre Auger Observatory

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dc.citation.titleJournal of Cosmology and Astroparticle Physics
dc.citation.volume1-40
dc.citation.volume2024
dc.creatorBinet, V.
dc.creatorMicheletti, M. I.
dc.creatorThe Pierre Auger collaboration
dc.date.accessioned2024-02-27T16:36:57Z
dc.date.available2024-02-27T16:36:57Z
dc.date.issued2024-01-01
dc.description.abstractThe combined fit of the measured energy spectrum and shower maximum depth distributions of ultra-high-energy cosmic rays is known to constrain the parameters of astrophysical models with homogeneous source distributions. Studies of the distribution of the cosmic-ray arrival directions show a better agreement with models in which a fraction of the flux is non-isotropic and associated with the nearby radio galaxy Centaurus A or with catalogs such as that of starburst galaxies. Here, we present a novel combination of both analyses by a simultaneous fit of arrival directions, energy spectrum, and composition data measured at the Pierre Auger Observatory. The model takes into account a rigidity-dependent magnetic field blurring and an energy-dependent evolution of the catalog contribution shaped by interactions during propagation. We find that a model containing a flux contribution from the starburst galaxy catalog of around 20% at 40 EeV with a magnetic field blurring of around 20◦ for a rigidity of 10 EV provides a fair simultaneous description of all three observables. The starburst galaxy model is favored with a significance of 4.5σ (considering experimental systematic effects) compared to a reference model with only homogeneously distributed background sources. By investigating a scenario with Centaurus A as a single source in combination with the homogeneous background, we confirm that this region of the sky provides the dominant contribution to the observed anisotropy signal. Models containing a catalog of jetted active galactic nuclei whose flux scales with the γ-ray emission are, however, disfavored as they cannot adequately describe the measured arrival directions.
dc.description.filFil: Binet, V. Universidad Nacional de Rosario. Facultad de Ciencias Bioquímicas y Farmacéuticas. Instituto de Física de Rosario. Consejo Nacional de Investigaciones Científicas y Técnicas (IFIR-CONICET); Argentina.
dc.description.filFil: Micheletti, M. I. Universidad Nacional de Rosario. Facultad de Ciencias Bioquímicas y Farmacéuticas. Instituto de Física de Rosario. Consejo Nacional de Investigaciones Científicas y Técnicas (IFIR-CONICET); Argentina.
dc.description.sponsorshipComisión Nacional de Energía Atómica
dc.description.sponsorshipAgencia Nacional de Promoción Científica y Tecnológica (ANPCyT)
dc.description.sponsorshipConsejo Nacional de Investigaciones Científicas y Técnicas (CONICET)
dc.description.sponsorshipGobierno de la Provincia de Mendoza
dc.description.sponsorshipMunicipalidad de Malargüe
dc.description.sponsorshipNDM Holdings and Valle Las Leñas
dc.description.sponsorshipthe Australian Research Council
dc.description.sponsorshipFonds de la Recherche Scientifique (FNRS)
dc.description.sponsorshipResearch Foundation Flanders (FWO)
dc.description.sponsorshipConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
dc.description.sponsorshipFinanciadora de Estudos e Projetos (FINEP)
dc.description.sponsorshipFundação de Amparo à Pesquisa do Estado de Rio de Janeiro (FAPERJ)
dc.description.sponsorshipSão Paulo Research Foundation (FAPESP): No. 2019/10151-2, No. 2010/07359-6, No. 1999/05404-3
dc.description.sponsorshipMinistério da Ciência, Tecnologia, Inovações e Comunicações (MCTIC)
dc.description.sponsorshipCzech Republic: No. MSMT CR LTT18004, LM2015038, LM2018102, CZ.02.1.01/0.0/0.0/16_013/0001402, CZ.02.1.01/0.0/0.0/18_046/0016010, CZ.02.1.01/0.0/0.0/17_049/0008422
dc.description.sponsorshipCentre de Calcul IN2P3/CNRS
dc.description.sponsorshipCentre National de la Recherche Scientifique (CNRS)
dc.description.sponsorshipConseil Régional Ile-de-France
dc.description.sponsorshipDépartement Physique Nucléaire et Corpusculaire (PNCIN2P3/CNRS)
dc.description.sponsorshipDépartement Sciences de l’Univers (SDU-INSU/CNRS)
dc.description.sponsorshipInstitut Lagrange de Paris (ILP): No. LABEX ANR-10-LABX-63, No. ANR-11-IDEX-0004-02
dc.description.sponsorshipBundesministerium für Bildung und Forschung (BMBF)
dc.description.sponsorshipDeutsche Forschungsgemeinschaft (DFG)
dc.description.sponsorshipFinanzministerium BadenWürttemberg
dc.description.sponsorshipHelmholtz Alliance for Astroparticle Physics (HAP)
dc.description.sponsorshipHelmholtz-Gemeinschaft Deutscher Forschungszentren (HGF)
dc.description.sponsorshipMinisterium für Kultur und Wissenschaft des Landes Nordrhein-Westfalen
dc.description.sponsorshipMinisterium für Wissenschaft, Forschung und Kunst des Landes BadenWürttemberg
dc.description.sponsorshipIstituto Nazionale di Fisica Nucleare (INFN)
dc.description.sponsorshipIstituto Nazionale di Astrofisica (INAF)
dc.description.sponsorshipMinistero dell’Istruzione dell’Università e della Ricerca (MIUR)
dc.description.sponsorshipCenter of Excellence (CETEMPS)
dc.description.sponsorshipMinistero degli Affari Esteri (MAE)
dc.description.sponsorshipConsejo Nacional de Ciencia y Tecnología (CONACYT) No. 167733
dc.description.sponsorshipUniversidad Nacional Autónoma de México (UNAM)
dc.description.sponsorshipMinistry of Education, Culture and Science
dc.description.sponsorshipNetherlands Organisation for Scientific Research (NWO)
dc.description.sponsorshipDutch national e-infrastructure
dc.description.sponsorshipSURF Cooperative
dc.description.sponsorshipMinistry of Education and Science: No. DIR/WK/2018/11
dc.description.sponsorshipNational Science Centre: No. 2016/22/M/ST9/00198, 2016/23/B/ST9/01635, 2020/39/B/ST9/01398
dc.description.sponsorshipPrograma Operacional Factores de Competitividade
dc.description.sponsorshipFundação para a Ciência e a Tecnologia (COMPETE)
dc.description.sponsorshipMinistry of Research, Innovation and Digitization: No. PN19150201/16N/2019, PN1906010
dc.description.sponsorshipNational Nucleus Program: TE128, PN-III-P1-1.1-TE-2021-0924/TE57/2022, PED289
dc.description.sponsorshipSlovenian Research Agency: P1-0031, P1-0385, I0-0033, N1-0111
dc.description.sponsorshipMinisterio de Economía, Industria y Competitividad: FPA2017-85114-P, PID2019-104676GB-C32
dc.description.sponsorshipXunta de Galicia: ED431C 2017/07
dc.description.sponsorshipJunta de Andalucía: SOMM17/6104/UGR, P18-FR-4314
dc.description.sponsorshipFeder Funds, RENATA Red Nacional Temática de Astropartículas: FPA2015-68783-REDT
dc.description.sponsorshipMaría de Maeztu Unit of Excellence: MDM2016-0692
dc.description.sponsorshipDepartment of Energy: No. DE-AC02-07CH11359, No. DEFR02-04ER41300, No. DE-FG02-99ER41107, No. DE-SC0011689
dc.description.sponsorshipNational Science Foundation: Grant No. 0450696
dc.description.sponsorshipThe Grainger Foundation
dc.description.sponsorshipMarie Curie-IRSES/EPLANET
dc.description.sponsorshipEuropean Particle Physics Latin American Network
dc.description.sponsorshipUnited Nations Educational, Scientific and Cultural Organization (UNESCO)
dc.identifier.issn1475-7516
dc.identifier.urihttps://hdl.handle.net/2133/26732
dc.language.isoen
dc.publisherInstitute of Physics
dc.relation.publisherversionhttps://doi.org/10.1088/1475-7516/2024/01/022
dc.relation.publisherversionhttps://iopscience.iop.org/article/10.1088/1475-7516/2024/01/022
dc.rightsopenAccess
dc.rights.holderBinet, V.
dc.rights.holderMicheletti, M. I.
dc.rights.holderThe Pierre Auger collaboration
dc.rights.holderUniversidad Nacional de Rosario. Facultad de Ciencias Bioquímicas y Farmacéuticas
dc.rights.textAttribution 4.0 Internationalen
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectUltra high energy cosmic rays
dc.subjectCosmic ray experiments
dc.subjectActive galactic nuclei
dc.titleConstraining models for the origin of ultra-high-energy cosmic rays with a novel combined analysis of arrival directions, spectrum, and composition data measured at the Pierre Auger Observatory
dc.typearticulo
dc.type.collectionarticulo
dc.type.versionpublishedVersion

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