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Volume 358 - 36th International Cosmic Ray Conference (ICRC2019) - NU - Neutrino
Search for Astrophysical Tau Neutrinos with an Improved Double Pulse Method
M. Meier,* J. Soedingrekso
*corresponding author
Full text: pdf
Pre-published on: 2019 July 22
Published on:
Abstract
Tau neutrino identification with the IceCube experiment would open new windows to neutrino physics as well as enable novel searches for cosmic neutrino sources. This work aims at a identification of tau neutrinos with astrophysical origin at energies above ∼ 100TeV. For identification, we search for a double pulse structure in the signal of one of IceCubes Digital Optical Modules originating from a tau neutrino interaction and a subsequent tau decay within the detector. In this work, we present constraints on the tau neutrino flux based on an event sample with a livetime of about 7.5 years of IceCube data.
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