Correlation of the highest energy cosmic rays with nearby extragalactic objects
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 6 × 1019 electron volts and the positions of active galactic nuclei (AGN) lying within ∼75 megaparsecs. We rejected the hypoth...
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Autores principales: | , , , , , , , , , , , , |
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Formato: | Articulo Preprint |
Lenguaje: | Inglés |
Publicado: |
2007
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Materias: | |
Acceso en línea: | http://sedici.unlp.edu.ar/handle/10915/127997 |
Aporte de: |
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I19-R120-10915-127997 |
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record_format |
dspace |
institution |
Universidad Nacional de La Plata |
institution_str |
I-19 |
repository_str |
R-120 |
collection |
SEDICI (UNLP) |
language |
Inglés |
topic |
Física Correlation Cosmic rays Extragalactic sources |
spellingShingle |
Física Correlation Cosmic rays Extragalactic sources Badagnani, Daniel Omar Dova, María Teresa Epele, Luis Nicolás Gómez Albarracín, Flavia Alejandra Grunfeld, Christian Martín Manceñido, Mónica E. Mariazzi, Analisa Gabriela Moreno, Juan Cruz Sciutto, Sergio Juan Tueros, Matías Jorge Veiga, Alejandro Luis Wahlberg, Hernán Pablo The Pierre Auger Collaboration Correlation of the highest energy cosmic rays with nearby extragalactic objects |
topic_facet |
Física Correlation Cosmic rays Extragalactic sources |
description |
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 6 × 1019 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. |
format |
Articulo Preprint |
author |
Badagnani, Daniel Omar Dova, María Teresa Epele, Luis Nicolás Gómez Albarracín, Flavia Alejandra Grunfeld, Christian Martín Manceñido, Mónica E. Mariazzi, Analisa Gabriela Moreno, Juan Cruz Sciutto, Sergio Juan Tueros, Matías Jorge Veiga, Alejandro Luis Wahlberg, Hernán Pablo The Pierre Auger Collaboration |
author_facet |
Badagnani, Daniel Omar Dova, María Teresa Epele, Luis Nicolás Gómez Albarracín, Flavia Alejandra Grunfeld, Christian Martín Manceñido, Mónica E. Mariazzi, Analisa Gabriela Moreno, Juan Cruz Sciutto, Sergio Juan Tueros, Matías Jorge Veiga, Alejandro Luis Wahlberg, Hernán Pablo The Pierre Auger Collaboration |
author_sort |
Badagnani, Daniel Omar |
title |
Correlation of the highest energy cosmic rays with nearby extragalactic objects |
title_short |
Correlation of the highest energy cosmic rays with nearby extragalactic objects |
title_full |
Correlation of the highest energy cosmic rays with nearby extragalactic objects |
title_fullStr |
Correlation of the highest energy cosmic rays with nearby extragalactic objects |
title_full_unstemmed |
Correlation of the highest energy cosmic rays with nearby extragalactic objects |
title_sort |
correlation of the highest energy cosmic rays with nearby extragalactic objects |
publishDate |
2007 |
url |
http://sedici.unlp.edu.ar/handle/10915/127997 |
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Repositorios |
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1764820451654107138 |