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Search for first harmonic modulation in the right ascension distribution of cosmic rays detected at the Pierre Auger Observatory

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dc.contributor.authorArganda, E.
dc.contributor.authorArqueros Martínez, Fernando
dc.contributor.authorBlanco Ramos, Francisco
dc.contributor.authorGarcía Pinto, Diego
dc.contributor.authorOrtiz Ramis, Montserrat
dc.contributor.authorRosado Vélez, Jaime
dc.contributor.authorVázquez Peñas, José Ramón
dc.date.accessioned2023-06-20T04:16:08Z
dc.date.available2023-06-20T04:16:08Z
dc.date.issued2011-03
dc.description© 2011 Elsevier B.V. All rights reserved. Artículo firmado por más de 10 autores. Autoría conjunta:Pierre Auger Collaboration. The successful installation and commissioning of the Pierre Auger Observatory would not have been possible without the strong commitment and effort from the technical and administrative staff in Malargüe. We are very grateful to the following agencies and organizations for financial support: Comisión Nacional de Energía Atómica, Fundación Antorchas, Gobierno De La Provincia de Mendoza, Municipalidad de Malargüe, NDM Holdings and Valle Las Leñas, in gratitude for their continuing cooperation over land access, Argentina; the Australian Research Council; Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq), Financiadora de Estudos e Projetos (FINEP), Fundação de Amparo à Pesquisa do Estado de Rio de Janeiro (FAPERJ), Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP), Ministério de Ciência e Tecnologia (MCT), Brazil; AVCR, AV0Z10100502 and AV0Z10100522, GAAV, KJB300100801 and KJB100100904, MSMT-CRLA08016, LC527, 1M06002, and MSM0021620859, Czech Republic; Centre de Calcul IN2P3/CNRS, Centre National de la Recherche Scientifique (CNRS), Conseil Régional Ile-de-France, Département Physique Nucléaire et Corpusculaire (PNC-IN2P3/CNRS), Département Sciences de l’Univers (SDU-INSU/CNRS), France; Bundesministerium für Bildung und Forschung (BMBF), Deutsche Forschungsgemeinschaft (DFG), Finanzministerium Baden – Württemberg, Helmholtz-Gemeinschaft Deutscher Forschungszentren (HGF), Ministerium für Wissenschaft und Forschung,Nordrhein-Westfalen, Ministerium für Wissenschaft, Forschung und Kunst, Baden-Württemberg, Germany; Istituto Nazionale di Fisica Nucleare (INFN), Istituto Nazionale di Astrofisica (INAF), Ministero dell’Istruzione, dell’Università e della Ricerca (MIUR), Gran Sasso Center for Astroparticle Physics (CFA), Italy; Consejo Nacional de Ciencia y Tecnología (CONACYT), Mexico; Ministerie van Onderwijs, Cultuur en Wetenschap, Nederlandse Organisatie voor Wetenschappelijk Onderzoek (NWO), Stichting voor Fundamenteel Onderzoek der Materie (FOM), Netherlands; Ministry of Science and Higher Education, Grant Nos. 1 P03 D 014 30 and N N202 207238, Poland; Fundação para a Ciência e a Tecnologia, Portugal; Ministry for Higher Education, Science, and Technology, Slovenian Research Agency, Slovenia; Comunidad de Madrid, Consejería de Educación de la Comunidad de Castilla La Mancha, FEDER funds, Ministerio de Ciencia e Innovación and Consolider-Ingenio 2010 (CPAN), Generalitat Valenciana, Junta de Andalucía, Xunta de Galicia, Spain; Science and Technology Facilities Council, United Kingdom; Department of Energy, Contract Nos. DE-AC02-07CH11359, DE-FR02-04ER41300, National Science Foundation, Grant No. 0450696, The Grainger Foundation, USA; ALFA-EC/ HELEN, European Union 6th Framework Program, Grant No. MEIF-CT-2005-025057, European Union 7th Framework Program, Grant No. PIEF-GA-2008-220240, and UNESCO.
dc.description.abstractWe present the results of searches for dipolar-type anisotropies in different energy ranges above 2.5 x 10(17) eV with the surface detector array of the Pierre Auger Observatory, reporting on both the phase and the amplitude measurements of the first harmonic modulation in the right-ascension distribution. Upper limits on the amplitudes are obtained, which provide the most stringent bounds at present, being below 2% at 99% C.L. for EeV energies. We also compare our results to those of previous experiments as well as with some theoretical expectations. (C) 2011 Elsevier B.V. All rights reserved.
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.sponsorshipComunidad de Madrid
dc.description.sponsorshipMinisterio de Ciencia e Innovación and Consolider-Ingenio 2010 (CPAN)
dc.description.sponsorshipAVCR
dc.description.sponsorshipGAAV
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 (PNC-IN2P3/CNRS)
dc.description.sponsorshipDépartement Sciences de l’Univers (SDU-INSU/CNRS)
dc.description.sponsorshipBundesministerium für Bildung und Forschung (BMBF)
dc.description.sponsorshipDeutsche Forschungsgemeinschaft (DFG)
dc.description.sponsorshipFinanzministerium Baden – Württemberg
dc.description.sponsorshipHelmholtz-Gemeinschaft Deutscher Forschungszentren (HGF)
dc.description.sponsorshipIstituto Nazionale di Astrofisica (INAF)
dc.description.sponsorshipMinisterium für Wissenschaft und Forschung,Nordrhein-Westfalen
dc.description.sponsorshipMinisterium für Wissenschaft, Forschung und Kunst, Baden-Württemberg,
dc.description.sponsorshipIstituto Nazionale di Fisica Nucleare (INFN)
dc.description.sponsorshipMinistero dell’Istruzione, dell’Università e della Ricerca (MIUR)
dc.description.sponsorshipGran Sasso Center for Astroparticle Physics (CFA)
dc.description.sponsorshipNederlandse Organisatie voor Wetenschappelijk Onderzoek (NWO)
dc.description.sponsorshipStichting voor Fundamenteel Onderzoek der Materie (FOM)
dc.description.sponsorshipMinisterie van Onderwijs, Cultuur en Wetenschap
dc.description.sponsorshipFundação para a Ciência e a Tecnologia
dc.description.sponsorshipMinistry of Science and Higher Education
dc.description.sponsorshipMinistry for Higher Education, Science, and Technology
dc.description.sponsorshipSlovenian Research Agency
dc.description.sponsorshipConsejería de Educación de la Comunidad de Castilla La Mancha
dc.description.sponsorshipFEDER funds
dc.description.sponsorshipGeneralitat Valenciana
dc.description.sponsorshipJunta de Andalucía
dc.description.sponsorshipXunta de Galicia
dc.description.sponsorshipScience and Technology Facilities Council
dc.description.sponsorshipALFA-EC/ HELEN
dc.description.sponsorshipUnión Europea. FP6
dc.description.sponsorshipUNESCO
dc.description.statuspub
dc.eprint.idhttps://eprints.ucm.es/id/eprint/38573
dc.identifier.doi10.1016/j.astropartphys.2010.12.007
dc.identifier.issn0927-6505
dc.identifier.officialurlhttp://dx.doi.org/10.1016/j.astropartphys.2010.12.007
dc.identifier.relatedurlhttp://www.sciencedirect.com/
dc.identifier.relatedurlhttp://arxiv.org/abs/1103.2721
dc.identifier.urihttps://hdl.handle.net/20.500.14352/45110
dc.issue.number8
dc.journal.titleAstroparticle physics
dc.language.isoeng
dc.page.final639
dc.page.initial627
dc.publisherElsevier Science BV
dc.relation.projectIDAUGERCRSOURCE (220240)
dc.relation.projectIDAV0Z10100502
dc.relation.projectIDAV0Z10100522
dc.relation.projectIDKJB300100801
dc.relation.projectIDKJB100100904
dc.relation.projectIDMSMT-CRLA08016
dc.relation.projectIDLC527, 1M06002
dc.relation.projectIDMSM0021620859
dc.relation.projectID1 P03 D 014 30
dc.relation.projectIDN N202 207238
dc.relation.projectIDMEIF-CT-2005-025057
dc.rights.accessRightsopen access
dc.subject.cdu539.1
dc.subject.keywordEnergy spectrum
dc.subject.keywordSurface detector
dc.subject.keywordAnisotropy
dc.subject.keywordArray
dc.subject.keywordOrigin.
dc.subject.ucmFísica nuclear
dc.subject.unesco2207 Física Atómica y Nuclear
dc.titleSearch for first harmonic modulation in the right ascension distribution of cosmic rays detected at the Pierre Auger Observatory
dc.typejournal article
dc.volume.number34
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