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Searches for Point-like and extended neutrino sources close to the Galactic Centre using the ANTARES neutrino Telescope

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Searches for Point-like and extended neutrino sources close to the Galactic Centre using the ANTARES neutrino Telescope

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dc.contributor.author	ANTARES Collaboration
dc.contributor.author	Barrios Martí, Javier
dc.contributor.author	Gómez González, Juan Pablo
dc.contributor.author	Hernández Rey, Juan José
dc.contributor.author	Lambard, Guillaume
dc.contributor.author	Mangano, Salvatore
dc.contributor.author	Sánchez Losa, Agustín
dc.contributor.author	Yepes Ramírez, Harold
dc.contributor.author	Zornoza Gómez, Juan de Dios
dc.contributor.author	Zúñiga Román, Juan
dc.date.accessioned	2016-05-05T12:17:06Z
dc.date.available	2016-05-05T12:17:06Z
dc.date.issued	2014
dc.identifier.citation	ANTARES Collaboration Barrios Martí, Javier Gómez González, Juan Pablo Hernández Rey, Juan José Lambard, Guillaume Mangano, Salvatore Sánchez Losa, Agustín Yepes Ramírez, Harold Zornoza Gómez, Juan de Dios Zúñiga Román, Juan 2014 Searches for Point-like and extended neutrino sources close to the Galactic Centre using the ANTARES neutrino Telescope Astrophysical Journal Letters 786 1 L5
dc.identifier.uri	http://hdl.handle.net/10550/53389
dc.description.abstract	A search for cosmic neutrino sources using six years of data collected by the ANTARES neutrino telescope has been performed. Clusters of muon neutrinos over the expected atmospheric background have been looked for. No clear signal has been found. The most signal-like accumulation of events is located at equatorial coordinates R.A. = -46 degrees.8 and decl. = -64 degrees.9 and corresponds to a 2.2 sigma background fluctuation. In addition, upper limits on the flux normalization of an E-2 muon neutrino energy spectrum have been set for 50 pre-selected astrophysical objects. Finally, motivated by an accumulation of seven events relatively close to the Galactic Center in the recently reported neutrino sample of the IceCube telescope, a search for point sources in a broad region around this accumulation has been carried out. No indication of a neutrino signal has been found in the ANTARES data and upper limits on the flux normalization of an E-2 energy spectrum of neutrinos from point sources in that region have been set. The 90% confidence level upper limits on the muon neutrino flux normalization vary between 3.5 and 5.1 x 10(-8) GeV cm(-2) s(-1), depending on the exact location of the source.
dc.language.iso	eng
dc.relation.ispartof	Astrophysical Journal Letters, 2014, vol. 786, num. 1, p. L5
dc.subject	Física
dc.title	Searches for Point-like and extended neutrino sources close to the Galactic Centre using the ANTARES neutrino Telescope
dc.type	journal article	es_ES
dc.date.updated	2016-05-05T12:17:07Z
dc.identifier.doi	10.1088/2041-8205/786/1/L5
dc.identifier.idgrec	099160
dc.rights.accessRights	open access	es_ES