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Correlation of the highest energy cosmic rays with nearby extragalactic objects

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Correlation of the highest energy cosmic rays with nearby extragalactic objects

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dc.contributor.author The Pierre Auger Collaboration
dc.contributor.author Pastor Carpi, Sergio
dc.contributor.author Pinto, Teguayco
dc.date.accessioned 2015-10-27T08:55:23Z
dc.date.available 2015-10-27T08:55:23Z
dc.date.issued 2007
dc.identifier.citation The Pierre Auger Collaboration Pastor Carpi, Sergio Pinto, Teguayco 2007 Correlation of the highest energy cosmic rays with nearby extragalactic objects Science 318 5852 938 943
dc.identifier.uri http://hdl.handle.net/10550/47918
dc.description.abstract Using data collected at the Pierre Auger Observatory during the past 3.7 years, we demonstrated a correlation between the arrival directions of cosmic rays with energy above ~ 6x10^19 electron volts and the positions of active galactic nuclei (AGN) lying within ~ 75 megaparsecs. We rejected the hypothesis of an isotropic distribution of these cosmic rays with at least a 99% confidence level from a prescribed a priori test. The correlation we observed is compatible with the hypothesis that the highest energy particles originate from nearby extragalactic sources whose flux has not been substantially reduced by interaction with the cosmic background radiation. AGN or objects having a similar spatial distribution are possible sources.
dc.language.iso eng
dc.relation.ispartof Science, 2007, vol. 318, num. 5852, p. 938-943
dc.subject Física
dc.title Correlation of the highest energy cosmic rays with nearby extragalactic objects
dc.type journal article es_ES
dc.date.updated 2015-10-27T08:55:23Z
dc.identifier.doi 10.1126/science.1151124
dc.identifier.idgrec 041308
dc.rights.accessRights open access es_ES

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