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Large scale distribution of ultra high energy cosmic rays detected at the Pierre Auger Observatory with zenith angles up to 80 degrees

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dc.contributor.authorAranda, V. M.
dc.contributor.authorArqueros Martínez, Fernando
dc.contributor.authorGarcía Pinto, Diego
dc.contributor.authorMinaya Flores, Ignacio Andrés
dc.contributor.authorRosado Vélez, Jaime
dc.contributor.authorVázquez Peñas, José Ramón
dc.date.accessioned2023-06-18T06:45:11Z
dc.date.available2023-06-18T06:45:11Z
dc.date.issued2015-04-01
dc.description© 2015. The American Astronomical Society. Autoría conjunta: Pierre Auger Collaboration.Artículo firmado por 482 autores. Foundation (FAPESP) Grants No. 2012/51015-5, 2010/07359-6 and No. 1999/05404-3, Ministerio de Ciencia e Tecnologia (MCT), Brazil; Grant No. MSMT-CR LG13007, No. 7AMB14AR005, No. CZ.1.05/2.1.00/03.0058 and the Czech Science Foundation Grant No. 14-17501 S, Czech Republic; 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, France; Bundesministerium fur Bildung und Forschung (BMBF), Deutsche Forschungsgemeinschaft (DFG), Finanzministerium Baden-Wurttemberg, Helmholtz Alliance for Astroparticle Physics (HAP), Helmholtz-Gemeinschaft Deutscher Forschungszentrum (HGF), Helmholtz Alliance for Astroparticle Physics (HAP), Ministerium fur Wissenschaft und Forschung, Nordrhein Westfalen, Ministerium fur Wissenschaft, Forschung und Kunst, Baden-Wurttemberg, Germany; Istituto Nazionale di Fisica Nucleare (INFN), Ministero dell'Istruzione, dell'Universita e della Ricerca (MIUR), Gran Sasso Center for Astroparticle Physics (CFA), CETEMPS Center of Excellence, Italy; Consejo Nacional de Ciencia y Tecnologia (CONACYT), Mexico; Ministerie van Onderwijs, Cultuur en Wetenschap, Nederlandse Organisatie voor Wetenschappelijk Onderzoek (NWO), Stichting voor Fundamenteel Onderzoek der Materie (FOM), The Netherlands; National Centre for Research and Development, Grants No. ERA-NET-ASPERA/01/11 and No. ERA-NET-ASPERA/02/11, National Science Centre, Grants No. 2013/08/M/ST9/00322, No. 2013/08/M/ST9/00728 and No. HARMONIA 5-2013/10/M/ST9/00062, Poland; Portuguese national funds and FEDER funds within Programa Operacional Factores de Competitividade through Fundacao para a Ciencia e a Tecnologia (COMPETE), Portugal; Romanian Authority for Scientific Research ANCS, CNDI-UEFISCDI partnership projects Grants No. 20/2012 and No. 194/2012, Grants No. 1/ASPERA2/2012 ERA-NET, No. PN-II-RU-PD-2011-3-0145-17 and No. PN-II-RU-PD-2011-3-0062, the Minister of National Education, Programme Space Technology and Advanced Research (STAR), Grant No. 83/2013, Romania; Slovenian Research Agency, Slovenia; Comunidad de Madrid, FEDER funds, Ministerio de Educacion y Ciencia, Xunta de Galicia, European Community 7th Framework Program, Grant No. FP7-PEOPLE-2012-IEF-328826, Spain; Science and Technology Facilities Council, United Kingdom; Department of Energy, Contracts No. DE-AC02-07CH11359, No. DE-FR02-04ER41300, No. DE-FG02-99ER41107 and No. DE-SC0011689, National Science Foundation, Grant No.0450696, The Grainger Foundation, USA; NAFOSTED, Vietnam; Marie Curie-IRSES/EPLANET, European Particle Physics Latin American Network, European Union 7th Framework Program, Grant No. PIRSES-2009-GA-246806; and UNESCO.
dc.description.abstractWe present the results of an analysis of the large angular scale distribution of the arrival directions of cosmic rays with energy above 4 EeV detected at the Pierre Auger Observatory including for the first time events with zenith angle between 60 degrees and 80 degrees. We perform two Rayleigh analyses, one in the right ascension and one in the azimuth angle distributions, that are sensitive to modulations in right ascension and declination, respectively. The largest departure from isotropy appears in the E > 8 EeV energy bin, with an amplitude for the first harmonic in right ascension r^α_1= (4.4 +/- 1.0) x 10^-2, that has a chance probability P(>= r_1^α) = 6.4 x 10^-5, reinforcing the hint previously reported with vertical events alone.
dc.description.departmentDepto. de Estructura de la Materia, Física Térmica y Electrónica
dc.description.facultyFac. de Ciencias Físicas
dc.description.refereedTRUE
dc.description.sponsorshipUnión Europea. FP7
dc.description.sponsorshipCzech Science Foundation Grant, Czech Republic
dc.description.sponsorshipCentre de Calcul IN2P3/CNRS, France
dc.description.sponsorshipCentre National de la Recherche Scientifique (CNRS), France
dc.description.sponsorshipConseil Regional Ile-de-France, France
dc.description.sponsorshipDepartement Physique Nucleaire et Corpusculaire (PNC-IN2P3/CNRS), France
dc.description.sponsorshipDepartement Sciences de l'Univers (SDU-INSU/CNRS), France
dc.description.sponsorshipInstitut Lagrange de Paris (ILP) within the Investissements d'Avenir Programme, France
dc.description.sponsorshipBundesministerium fur Bildung und Forschung (BMBF), Germany
dc.description.sponsorshipDeutsche Forschungsgemeinschaft (DFG), Germany
dc.description.sponsorshipFinanzministerium Baden-Wurttemberg, Germany
dc.description.sponsorshipHelmholtz Alliance for Astroparticle Physics (HAP), Germany
dc.description.sponsorshipHelmholtz-Gemeinschaft Deutscher Forschungszentrum (HGF), Germany
dc.description.sponsorshipMinisterium fur Wissenschaft und Forschung, Germany
dc.description.sponsorshipNordrhein Westfalen, Germany
dc.description.sponsorshipMinisterium fur Wissenschaft, Germany
dc.description.sponsorshipForschung und Kunst, Germany
dc.description.sponsorshipBaden-Wurttemberg, Germany
dc.description.sponsorshipIstituto Nazionale di Fisica Nucleare (INFN), Italy
dc.description.sponsorshipMinistero dell'Istruzione, dell'Universita e della Ricerca (MIUR), Italy
dc.description.sponsorshipGran Sasso Center for Astroparticle Physics (CFA), Italy
dc.description.sponsorshipCETEMPS Center of Excellence, Italy
dc.description.sponsorshipMinisterie van Onderwijs, Cultuur en Wetenschap, The Netherlands
dc.description.sponsorshipNederlandse Organisatie voor Wetenschappelijk Onderzoek (NWO), The Netherlands
dc.description.sponsorshipStichting voor Fundamenteel Onderzoek der Materie (FOM), The Netherlands, Poland
dc.description.sponsorshipNational Centre for Research and Development, Poland
dc.description.sponsorshipNational Science Centre, Poland
dc.description.sponsorshipPortuguese national funds, Portugal
dc.description.sponsorshipFEDER funds within Programa Operacional Factores de Competitividade through Fundacao para a Ciencia e a Tecnologia (COMPETE), Portugal
dc.description.sponsorshipRomanian Authority for Scientific Research ANCS, CNDI-UEFISCDI partnership projects Grants, Romania
dc.description.sponsorshipMinister of National Education, Programme Space Technology and Advanced Research (STAR), Romania
dc.description.sponsorshipComunidad de Madrid, FEDER funds, Spain
dc.description.sponsorshipMinisterio de Educación y Ciencia, Spain
dc.description.sponsorshipXunta de Galicia, Spain
dc.description.sponsorshipScience and Technology Facilities Council, United Kingdom
dc.description.sponsorshipDepartment of Energy
dc.description.sponsorshipNational Science Foundation
dc.description.sponsorshipMarie Curie-IRSES/EPLANET, European Particle Physics Latin American Network, European Union 7th Framework Program
dc.description.statuspub
dc.eprint.idhttps://eprints.ucm.es/id/eprint/30738
dc.identifier.doi10.1088/0004-637X/802/2/111
dc.identifier.issn0004-637X
dc.identifier.officialurlhttp://dx.doi.org/10.1088/0004-637X/802/2/111
dc.identifier.relatedurlhttp://iopscience.iop.org/
dc.identifier.urihttps://hdl.handle.net/20.500.14352/24034
dc.issue.number2
dc.journal.titleAstrophysical journal
dc.language.isoeng
dc.publisherIOP Publishing LTD
dc.relation.projectIDPEOPLE-2012-IEF (328826)
dc.relation.projectID14-17501 S
dc.relation.projectIDLABEX ANR-10-LABX-63
dc.relation.projectIDANR-11-IDEX-0004-02
dc.relation.projectIDERA-NET-ASPERA/01/11
dc.relation.projectIDERA-NET-ASPERA/02/11
dc.relation.projectID2013/08/M/ST9/00322
dc.relation.projectID2013/08/M/ST9/00728
dc.relation.projectIDHARMONIA 5-2013/10/M/ST9/00062
dc.relation.projectID20/2012
dc.relation.projectID194/2012
dc.relation.projectID1/ASPERA2/2012 ERA-NET
dc.relation.projectIDPN-II-RU-PD-2011-3-0145-17
dc.relation.projectIDPN-II-RU-PD-2011-3-0062
dc.relation.projectID83/2013
dc.relation.projectIDDE-AC02-07CH11359
dc.relation.projectIDDE-FR02-04ER41300
dc.relation.projectIDDE-SC0011689
dc.relation.projectIDDE-FG02-99ER41107
dc.relation.projectIDPIRSES-2009-GA-246806
dc.rights.accessRightsopen access
dc.subject.cdu52
dc.subject.keywordAir-shower array
dc.subject.keywordArrival directions
dc.subject.keywordSurface detector
dc.subject.keywordAnisotropy
dc.subject.keywordSpectrum
dc.subject.keywordSearches
dc.subject.keywordIcecube
dc.subject.ucmAstrofísica
dc.titleLarge scale distribution of ultra high energy cosmic rays detected at the Pierre Auger Observatory with zenith angles up to 80 degrees
dc.typejournal article
dc.volume.number802
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