PoS - Proceedings of Science
Volume 358 - 36th International Cosmic Ray Conference (ICRC2019) - CRI - Cosmic Ray Indirect
IceTop as veto for IceCube: results
D. Tosi,* H. Pandya on behalf of the IceCube Collaboration
*corresponding author
Full text: pdf
Pre-published on: July 22, 2019
Published on:
Abstract
The IceCube Neutrino Observatory features both a kilometer-cubed detector between 1.45
and 2.45 km depth and an array of ice-filled tanks, called IceTop, located at the surface. The
presence of both detectors at the same location allows for detailed studies of cosmic rays and
their muon content in ice, while the lack of signals in the surface detectors can be used to
identify muon tracks in the deep detector as neutrino candidates and to determine the veto
efficiency of IceTop. While the solid angle coverage of the current detectors is limited, this
has interesting implications for the design of a larger surface array. In this contribution, we
present the results from this study applied to 5 years of data. We find a few interesting neutrino candidate events that pass the cuts designed to veto cosmic rays. Thorough simulations are necessary to establish the likelihood for these events to be astrophysical neutrinos or rare cosmic rays.
DOI: https://doi.org/10.22323/1.358.0445
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