2008 •
Diffuse high-energy neutrino searches in AMANDA-II and IceCube: results and future prospects
Authors:
K Hoshina, the IceCube Collaboration
Abstract:
The AMANDA-II data collected during the period 2000-2003 have been analysed in a search for a diffuse flux of high-energy extra-terrestrial muon neutrinos from the sum of all sources in the Universe. With no excess events seen, an upper limit of Eν2 ×s dNν/dEν < 7.4 × 10-8 GeV cm-2 s-1 sr-1 was obtained. The sensitivity of the diffuse analysis of IceCube 9 string for 137 days of data is calculated to be Eν2 × dNν/dEν < 1.3 × 10-7 GeV cm-2 s-1 sr-1. No excess events are observed, which confirms the AMANDA-II upper limit.
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