Large-scale distribution of arrival directions of cosmic rays detected above 10<sup>18</sup> eV at the Pierre Auger Observatory
- Autores
- 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
- Año de publicación
- 2012
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- A thorough search for large-scale anisotropies in the distribution of arrival directions of cosmic rays detected above 1018 eV at the Pierre Auger Observatory is presented. This search is performed as a function of both declination and right ascension in several energy ranges above 1018 eV, and reported in terms of dipolar and quadrupolar coefficients. Within the systematic uncertainties, no significant deviation from isotropy is revealed. Assuming that any cosmic-ray anisotropy is dominated by dipole and quadrupole moments in this energy range, upper limits on their amplitudes are derived. These upper limits allow us to test the origin of cosmic rays above 1018 eV from stationary Galactic sources densely distributed in the Galactic disk and predominantly emitting light particles in all directions.
Facultad de Ciencias Exactas - Materia
-
Ciencias Exactas
Física
Astroparticle physics
Radiación Cósmica - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- http://creativecommons.org/licenses/by-nc-sa/4.0/
- Repositorio
.jpg)
- Institución
- Universidad Nacional de La Plata
- OAI Identificador
- oai:sedici.unlp.edu.ar:10915/80841
Ver los metadatos del registro completo
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Large-scale distribution of arrival directions of cosmic rays detected above 10<sup>18</sup> eV at the Pierre Auger ObservatoryArganda Carreras, ErnestoDova, María TeresaGómez Albarracín, Flavia AlejandraHansen, Patricia MaríaJarne, Cecilia GiseleMariazzi, Analisa GabrielaMoreno, Juan CruzSciutto, Sergio JuanWahlberg, Hernán PabloThe Pierre Auger CollaborationCiencias ExactasFísicaAstroparticle physicsRadiación CósmicaA 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 presented. This search is performed as a function of both declination and right ascension in several energy ranges above 10<sup>18</sup> eV, and reported in terms of dipolar and quadrupolar coefficients. Within the systematic uncertainties, no significant deviation from isotropy is revealed. Assuming that any cosmic-ray anisotropy is dominated by dipole and quadrupole moments in this energy range, upper limits on their amplitudes are derived. These upper limits allow us to test the origin of cosmic rays above 1018 eV from stationary Galactic sources densely distributed in the Galactic disk and predominantly emitting light particles in all directions.Facultad de Ciencias Exactas2012-12-03info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionArticulohttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfhttp://sedici.unlp.edu.ar/handle/10915/80841enginfo:eu-repo/semantics/altIdentifier/issn/0067-0049info:eu-repo/semantics/altIdentifier/doi/10.1088/0067-0049/203/2/34info:eu-repo/semantics/openAccesshttp://creativecommons.org/licenses/by-nc-sa/4.0/Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)reponame:SEDICI (UNLP)instname:Universidad Nacional de La Platainstacron:UNLP2025-09-29T11:14:56Zoai:sedici.unlp.edu.ar:10915/80841Institucionalhttp://sedici.unlp.edu.ar/Universidad públicaNo correspondehttp://sedici.unlp.edu.ar/oai/snrdalira@sedici.unlp.edu.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:13292025-09-29 11:14:56.936SEDICI (UNLP) - Universidad Nacional de La Platafalse |
| dc.title.none.fl_str_mv |
Large-scale distribution of arrival directions of cosmic rays detected above 10<sup>18</sup> eV at the Pierre Auger Observatory |
| title |
Large-scale distribution of arrival directions of cosmic rays detected above 10<sup>18</sup> eV at the Pierre Auger Observatory |
| spellingShingle |
Large-scale distribution of arrival directions of cosmic rays detected above 10<sup>18</sup> eV at the Pierre Auger Observatory Arganda Carreras, Ernesto Ciencias Exactas Física Astroparticle physics Radiación Cósmica |
| title_short |
Large-scale distribution of arrival directions of cosmic rays detected above 10<sup>18</sup> eV at the Pierre Auger Observatory |
| title_full |
Large-scale distribution of arrival directions of cosmic rays detected above 10<sup>18</sup> eV at the Pierre Auger Observatory |
| title_fullStr |
Large-scale distribution of arrival directions of cosmic rays detected above 10<sup>18</sup> eV at the Pierre Auger Observatory |
| title_full_unstemmed |
Large-scale distribution of arrival directions of cosmic rays detected above 10<sup>18</sup> eV at the Pierre Auger Observatory |
| title_sort |
Large-scale distribution of arrival directions of cosmic rays detected above 10<sup>18</sup> eV at the Pierre Auger Observatory |
| dc.creator.none.fl_str_mv |
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 |
Arganda Carreras, Ernesto |
| 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_role |
author |
| author2 |
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 |
| author2_role |
author author author author author author author author author |
| dc.subject.none.fl_str_mv |
Ciencias Exactas Física Astroparticle physics Radiación Cósmica |
| topic |
Ciencias Exactas Física Astroparticle physics Radiación Cósmica |
| dc.description.none.fl_txt_mv |
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 presented. This search is performed as a function of both declination and right ascension in several energy ranges above 10<sup>18</sup> eV, and reported in terms of dipolar and quadrupolar coefficients. Within the systematic uncertainties, no significant deviation from isotropy is revealed. Assuming that any cosmic-ray anisotropy is dominated by dipole and quadrupole moments in this energy range, upper limits on their amplitudes are derived. These upper limits allow us to test the origin of cosmic rays above 1018 eV from stationary Galactic sources densely distributed in the Galactic disk and predominantly emitting light particles in all directions. Facultad de Ciencias Exactas |
| 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 presented. This search is performed as a function of both declination and right ascension in several energy ranges above 10<sup>18</sup> eV, and reported in terms of dipolar and quadrupolar coefficients. Within the systematic uncertainties, no significant deviation from isotropy is revealed. Assuming that any cosmic-ray anisotropy is dominated by dipole and quadrupole moments in this energy range, upper limits on their amplitudes are derived. These upper limits allow us to test the origin of cosmic rays above 1018 eV from stationary Galactic sources densely distributed in the Galactic disk and predominantly emitting light particles in all directions. |
| publishDate |
2012 |
| dc.date.none.fl_str_mv |
2012-12-03 |
| dc.type.none.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Articulo http://purl.org/coar/resource_type/c_6501 info:ar-repo/semantics/articulo |
| format |
article |
| status_str |
publishedVersion |
| dc.identifier.none.fl_str_mv |
http://sedici.unlp.edu.ar/handle/10915/80841 |
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http://sedici.unlp.edu.ar/handle/10915/80841 |
| dc.language.none.fl_str_mv |
eng |
| language |
eng |
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info:eu-repo/semantics/altIdentifier/issn/0067-0049 info:eu-repo/semantics/altIdentifier/doi/10.1088/0067-0049/203/2/34 |
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openAccess |
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http://creativecommons.org/licenses/by-nc-sa/4.0/ Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0) |
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