Journal
ASTROPARTICLE PHYSICS
Volume 35, Issue 6, Pages 354-361Publisher
ELSEVIER
DOI: 10.1016/j.astropartphys.2011.10.004
Keywords
Ultra-high energy cosmic rays; Pierre auger observatory; Arrival directions
Funding
- Comision Nacional de Energia Atomica
- Fundacion Antorchas
- Gobierno De La Provincia de Mendoza
- Municipalidad de Malargue
- NDM Holdings and Valle Las Lenas, Argentina
- 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)
- Fundacao de Amparo A Pesquisa do Estado de Sao Paulo (FAPESP)
- Ministerio de Ciencia e Tecnologia (MCT), Brazil
- AVCR [AV0Z10100502, AV0Z10100522]
- GAAV [KJB100100904]
- MSMT-CR, Czech Republic [LA08016, LC527, 1M06002, MSM0021620859]
- 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), France
- Bundesministerium fur Bildung und Forschung (BMBF)
- Deutsche Forschungsgemeinschaft (DFG)
- Finanzministerium Baden-Wurttemberg
- 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)
- Ministero dell'Istruzione, dell'Universita e della Ricerca (MIUR), 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), Netherlands
- Ministry of Science and Higher Education, Poland [1 P03 D 014 30, N202 090 31/0623, PAP/218/2006]
- Fundacao para a Ciencia e a Tecnologia, Portugal
- Ministry for Higher Education, Science, and Technology
- Slovenian Research Agency, Slovenia
- Comunidad de Madrid
- Consejeria de Educacion de la Comunidad de Castilla La Mancha
- FEDER
- Ministerio de Ciencia e Innovacion
- Consolider-Ingenio
- Xunta de Galicia, Spain
- Science and Technology Facilities Council, United Kingdom
- Department of Energy [DE-AC02-07CH11359, DE-FR02-04ER41300]
- National Science Foundation [0450696]
- Grainger Foundation USA
- ALFA-EC/HELEN
- European Union [MEIF-CF-2005-025057, PIEF-GA-2008-220240]
- UNESCO
- STFC [ST/J000507/1] Funding Source: UKRI
- Science and Technology Facilities Council [ST/J000507/1] Funding Source: researchfish
- Direct For Mathematical & Physical Scien
- Division Of Physics [1068210] Funding Source: National Science Foundation
- Division Of Physics
- Direct For Mathematical & Physical Scien [1068696, 0855623] Funding Source: National Science Foundation
Ask authors/readers for more resources
We present the results of an analysis of data recorded at the Pierre Auger Observatory in which we search for groups of directionally-aligned events (or 'multiplets') which exhibit a correlation between arrival direction and the inverse of the energy. These signatures are expected from sets of events coming from the same source after having been deflected by intervening coherent magnetic fields. The observation of several events from the same source would open the possibility to accurately reconstruct the position of the source and also measure the integral of the component of the magnetic field orthogonal to the trajectory of the cosmic rays. We describe the largest multiplets found and compute the probability that they appeared by chance from an isotropic distribution. We find no statistically significant evidence for the presence of multiplets arising from magnetic deflections in the present data. (C) 2011 Elsevier B.V. All rights reserved.
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