Volume 337 - Neutrino Oscillation Workshop (NOW2018) - Session I: Oscillation parameters (present)
Atmospheric neutrino oscillations with ANTARES
J. Brunner* on behalf of the ANTARES Collaboration
*corresponding author
Full text: pdf
Published on: April 24, 2019
Abstract
ANTARES is a large neutrino telescope located at 2475~m below the Mediterranean Sea level, 40 km offshore from Toulon (France). Data-taking started with the first 5 lines installed in 2007 and the full detector, completed in May 2008, is still taking data. The ANTARES neutrino telescope has an energy threshold of a few tens of GeV. This allows to study the phenomenon of atmospheric muon neutrino disappearance due to neutrino oscillations. An additional sterile neutrino, as proposed in the 3+1 neutrino model, will further modify the expected event rate of up-going muon neutrino events. This allows to infer limits on the existence of such a sterile neutrino. Using data collected by the ANTARES neutrino telescope from 2007 to 2016, a new measurement of $\Delta m^2_{32}$ and $\theta_{23}$ has been performed and constraints on the 3+1 neutrino model have been derived.
DOI: https://doi.org/10.22323/1.337.0008
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