Journal
PHYSICAL REVIEW D
Volume 91, Issue 9, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.91.092008
Keywords
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Funding
- Comision Nacional de Energia Atomica
- Fundacion Antorchas
- Gobierno de la Provincia de Mendoza
- Municipalidad de Malargue
- NDM Holdings and Valle Las Lenas
- Australian Research Council
- 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) [2010/07359-6, 1999/05404-3]
- Ministerio de Ciencia e Tecnologia (MCT), Brazil
- Czech Science Foundation, Czech Republic [MSMT-CR LG13007, 7AMB14AR005, 14-17501S]
- 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, France [LABEX ANR-10-LABX-63, ANR-11-IDEX-0004-02]
- 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 Wissenschaft und Forschung, Nordrhein Westfalen, Ministerium fur Wissenschaft, Forschung und Kunst, Baden-Wurttemberg, Germany
- Istituto Nazionale di Fisica Nucleare (INFN), Minister dell'Istruzione, dell'Universita e della Ricerca (MIUR)
- Gran Sasso Center for Astroparticle Physics (CFA)
- CETEMPS Center of Excellence, Minister degli Affari Esteri (MAE), 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 (EOM), Netherlands
- National Centre for Research and Development [ERA-NET-ASPERA/01/11, ERA-NET-ASPERA/02/11]
- National Science Centre, Poland [2013/08/M/ST9/00322, 2013/08/M/ST9/ 00728, HARMONIA 5-2013/10/M/ST9/00062]
- Portuguese national funds
- FEDER funds within Programa Operacional Factores de Competitividade through Fundacdo para a Ciencia e a Tecnologia (COMPETE), Portugal
- Romanian Authority for Scientific Research ANCS, CNDI-UEFISCDI [20/2012, 194/2012, 1/ASPERA2/2012 ERA-NET, PN-II-RU-PD-2011-3-0145-17, PN-II-RU-PD-2011-3-0062]
- Minister of National Education, Programme Space Technology and Advanced Research (STAR), Romania [83/2013]
- Slovenian Research Agency, Slovenia
- Comunidad de Madrid
- FEDER funds
- Ministerio de Educacion y Ciencia
- Xunta de Galicia
- European Community, Spain [FP7-PEOPLE-2012-IEF-328826]
- Science and Technology Facilities Council, United Kingdom
- Department of Energy [DE-AC02-07CH11359, DE-FR02-04ER41300, DE-FG02-99ER41107, DE-SC0011689]
- National Science Foundation [0450696]
- Grainger Foundation, USA
- NAFOSTED, Vietnam
- Marie Curie-IRSES/EPLANET, European Particle Physics Latin American Network, European Union [PIRSES-2009-GA-246806]
- UNESCO
- Direct For Mathematical & Physical Scien
- Division Of Physics [1212538, 1205534, 1412261, 1361172] Funding Source: National Science Foundation
- Division Of Astronomical Sciences
- Direct For Mathematical & Physical Scien [1153335] Funding Source: National Science Foundation
- Division Of Physics
- Direct For Mathematical & Physical Scien [0969400, 1506232, 1460394] Funding Source: National Science Foundation
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Neutrinos in the cosmic ray flux with energies near 1 EeV and above are detectable with the Surface Detector array (SD) of the Pierre Auger Observatory. We report here on searches through Auger data from 1 January 2004 until 20 June 2013. No neutrino candidates were found, yielding a limit to the diffuse flux of ultrahigh energy neutrinos that challenges the Waxman-Bahcall bound predictions. Neutrino identification is attempted using the broad time structure of the signals expected in the SD stations, and is efficiently done for neutrinos of all flavors interacting in the atmosphere at large zenith angles, as well as for Earth-skimming neutrino interactions in the case of tau neutrinos. In this paper the searches for downward-going neutrinos in the zenith angle bins 60 degrees-75 degrees and 75 degrees-90 degrees as well as for upward-going neutrinos, are combined to give a single limit. The 90% C.L. single-flavor limit to the diffuse flux of ultrahigh energy neutrinos with an E-2 spectrum in the energy range 1.0 x 10(17) eV-2.5 x 10(19) eV is E(nu)(2)dN(nu)/dE(nu) < 6.4 x 10(-9) GeV cm(-2) s(-1) sr(-1).
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