Journal
EUROPEAN PHYSICAL JOURNAL C
Volume 73, Issue 10, Pages -Publisher
SPRINGER
DOI: 10.1140/epjc/s10052-013-2606-4
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Funding
- Centre National de la Recherche Scientifique (CNRS)
- Commissariat a l'energie atomique et aux energies alternatives (CEA)
- Agence National de la Recherche (ANR)
- Commission Europenne (FEDER fund)
- Commission Europenne (Marie Curie Program)
- Region Alsace (contrat CPER)
- Region Provence-Alpes-Cote d'Azurr, France
- Departement du Var, France
- Ville de La Seyne-sur-Mer, France
- Bundesministerium fur Bildung und Forschung (BMBF), Germany
- Istituto Nazionale di Fisica Nucleare (INFN), Italy
- Stichting voor Fundamenteel Onderzoek der Materie (FOM), The Netherlands
- Nederlandse organisatie voor Wetenschappelijk Onderzoek (NWO), The Netherlands
- Council of the President of the Russian Federation for young scientists and leading scientific schools supporting grants, Russia
- National Authority for Scientific Research (ANCS-UEFISCDI), Romania
- Ministerio de Ciencia e Innovacion (MICINN), Prometeo of Generalitat Valenciana and MultiDark, Spain
- Agence de l'Oriental, Morocco
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Atmospheric neutrinos are produced during cascades initiated by the interaction of primary cosmic rays with air nuclei. In this paper, a measurement of the atmospheric energy spectrum in the energy range 0.1-200 TeV is presented, using data collected by the ANTARES underwater neutrino telescope from 2008 to 2011. Overall, the measured flux is similar to 25 % higher than predicted by the conventional neutrino flux, and compatible with the measurements reported in ice. The flux is compatible with a single power-law dependence with spectral index gamma (meas)=3.58 +/- 0.12. With the present statistics the contribution of prompt neutrinos cannot be established.
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