Constraints on the origin of cosmic rays above 10<sup>18</sup> eV from large-scale anisotropy searches in data of the Pierre Auger Observatory

A thorough search for large-scale anisotropies in the distribution of arrival directions of cosmic rays detected above 10<sup>18</sup> eV at the Pierre Auger Observatory is reported. For the first time, these large-scale anisotropy searches are performed as a function of both the right a...

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Autores principales: Arganda Carreras, Ernesto, Dova, María Teresa, Gómez Albarracín, Flavia Alejandra, Hansen, Patricia María, Jarne, Cecilia Gisele, Mariazzi, Analisa Gabriela, Moreno, Juan Cruz, Sciutto, Sergio Juan, Wahlberg, Hernán Pablo, The Pierre Auger Collaboration
Formato: Articulo
Lenguaje:Inglés
Publicado: 2013
Materias:
Ciencias Exactas
Física
Física de partículas
Radiación cósmica
Acceso en línea:http://sedici.unlp.edu.ar/handle/10915/80673
Aporte de:
SEDICI (UNLP) de Universidad Nacional de La Plata
id I19-R120-10915-80673
record_format dspace
institution Universidad Nacional de La Plata
institution_str I-19
repository_str R-120
collection SEDICI (UNLP)
language Inglés
topic Ciencias Exactas
Física
Física de partículas
Radiación cósmica
spellingShingle Ciencias Exactas
Física
Física de partículas
Radiación cósmica
Arganda Carreras, Ernesto
Dova, María Teresa
Gómez Albarracín, Flavia Alejandra
Hansen, Patricia María
Jarne, Cecilia Gisele
Mariazzi, Analisa Gabriela
Moreno, Juan Cruz
Sciutto, Sergio Juan
Wahlberg, Hernán Pablo
The Pierre Auger Collaboration
Constraints on the origin of cosmic rays above 10<sup>18</sup> eV from large-scale anisotropy searches in data of the Pierre Auger Observatory
topic_facet Ciencias Exactas
Física
Física de partículas
Radiación cósmica
description A thorough search for large-scale anisotropies in the distribution of arrival directions of cosmic rays detected above 10<sup>18</sup> eV at the Pierre Auger Observatory is reported. For the first time, these large-scale anisotropy searches are performed as a function of both the right ascension and the declination and expressed in terms of dipole and quadrupole moments.Within the systematic uncertainties, no significant deviation from isotropy is revealed. Upper limits on dipole and quadrupole amplitudes are derived under the hypothesis that any cosmic ray anisotropy is dominated by such moments in this energy range. These upper limits provide constraints on the production of cosmic rays above 10<sup>18</sup> eV, since they allow us to challenge an origin from stationary galactic sources densely distributed in the galactic disk and emitting predominantly light particles in all directions.
format Articulo
Articulo
author Arganda Carreras, Ernesto
Dova, María Teresa
Gómez Albarracín, Flavia Alejandra
Hansen, Patricia María
Jarne, Cecilia Gisele
Mariazzi, Analisa Gabriela
Moreno, Juan Cruz
Sciutto, Sergio Juan
Wahlberg, Hernán Pablo
The Pierre Auger Collaboration
author_facet Arganda Carreras, Ernesto
Dova, María Teresa
Gómez Albarracín, Flavia Alejandra
Hansen, Patricia María
Jarne, Cecilia Gisele
Mariazzi, Analisa Gabriela
Moreno, Juan Cruz
Sciutto, Sergio Juan
Wahlberg, Hernán Pablo
The Pierre Auger Collaboration
author_sort Arganda Carreras, Ernesto
title Constraints on the origin of cosmic rays above 10<sup>18</sup> eV from large-scale anisotropy searches in data of the Pierre Auger Observatory
title_short Constraints on the origin of cosmic rays above 10<sup>18</sup> eV from large-scale anisotropy searches in data of the Pierre Auger Observatory
title_full Constraints on the origin of cosmic rays above 10<sup>18</sup> eV from large-scale anisotropy searches in data of the Pierre Auger Observatory
title_fullStr Constraints on the origin of cosmic rays above 10<sup>18</sup> eV from large-scale anisotropy searches in data of the Pierre Auger Observatory
title_full_unstemmed Constraints on the origin of cosmic rays above 10<sup>18</sup> eV from large-scale anisotropy searches in data of the Pierre Auger Observatory
title_sort constraints on the origin of cosmic rays above 10<sup>18</sup> ev from large-scale anisotropy searches in data of the pierre auger observatory
publishDate 2013
url http://sedici.unlp.edu.ar/handle/10915/80673
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