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Constraints on the origin of cosmic rays above 1018 eV from large scale anisotropy searches in data of the Pierre Auger Observatory

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Constraints on the origin of cosmic rays above 1018 eV from large scale anisotropy searches in data of the Pierre Auger Observatory

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dc.contributor.author	The Pierre Auger Collaboration
dc.contributor.author	Arqueros Martínez, Fernando
dc.contributor.author	Gascón Bravo, Alberto
dc.contributor.author	Pastor Carpi, Sergio
dc.contributor.author	Rosado Vélez, Jaime
dc.contributor.author	Vázquez Peñas, José Ramón
dc.contributor.author	Zamorano García, Bruno
dc.date.accessioned	2014-02-19T11:20:51Z
dc.date.available	2014-02-19T11:20:51Z
dc.date.issued	2013
dc.identifier.citation	Pastor Carpi, Sergio Arqueros Martinez, Fernando Gascón Bravo, Alberto Rosado Velez, Jaime Vázquez Peñas, José Ramón Zamorano García, Bruno 2013 Constraints on the origin of cosmic rays above 1018 eV from large scale anisotropy searches in data of the Pierre Auger Observatory Astrophysical Journal Letters 762 L13-1 L13-8
dc.identifier.uri	http://hdl.handle.net/10550/33089
dc.description.abstract	A thorough search for large-scale anisotropies in the distribution of arrival directions of cosmic rays detected above 10 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 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.
dc.relation.ispartof	Astrophysical Journal Letters, 2013, vol. 762, p. L13-1-L13-8
dc.subject	Física
dc.title	Constraints on the origin of cosmic rays above 1018 eV from large scale anisotropy searches in data of the Pierre Auger Observatory
dc.type	journal article	es_ES
dc.date.updated	2014-02-19T11:20:51Z
dc.identifier.doi	10.1088/2041-8205/762/1/L13
dc.identifier.idgrec	093578
dc.rights.accessRights	open access	es_ES
dc.identifier.url	10.1088/2041-8205/762/1/L13