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2005-04-04 - Article/Dans un journal avec peer-review - Anglais - 5 page(s)

Kohnen Georges , IceCube Collaboration, "Search for extraterrestrial point sources of high energy neutrinos with AMANDA-II using data collected in 2000-2002" in Physical Review. D, Particles, Fields, Gravitation, and Cosmology, 71, 7, 077102

  • Edition : American Physical Society, College Park (MD)
  • Codes CREF : Physique des particules élémentaires (DI1221), Astrophysique (DI1455)
  • Unités de recherche UMONS : Physique nucléaire et subnucléaire (S824)
  • Instituts UMONS : Institut de Recherche sur les Systèmes Complexes (Complexys)
  • Centres UMONS : Algèbre, Géométrie et Interactions fondamentales (AGIF)

Abstract(s) :

(Anglais) The results of a search for point sources of high energy neutrinos in the northern hemisphere using data collected by AMANDA-II in the years 2000, 2001, and 2002 are presented. In particular, a comparison with the single-year result previously published shows that the sensitivity was improved by a factor of 2.2. The muon neutrino flux upper limits on selected candidate sources, corresponding to an E−2ν neutrino energy spectrum, are included. Sky grids were used to search for possible excesses above the background of cosmic ray induced atmospheric neutrinos. This search reveals no statistically significant excess for the three years considered.

Identifiants :
  • DOI : 10.1103/PhysRevD.71.077102