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Volume 358 - 36th International Cosmic Ray Conference (ICRC2019) - NU - Neutrino
Constraints on light meson production in air-showers with atmospheric neutrinos below 1 TeV interacting in IceCube's DeepCore
A. Fedynitch,* J.P. Yáñez
*corresponding author
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Pre-published on: 2019 July 22
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The IceCube Neutrino Detector observes tens of thousands of atmospheric neutrinos every year with its low energy extension DeepCore, covering the neutrino energy range from GeV to TeV. These neutrinos can be used to study particle interactions in conditions that are inaccessible to current accelerator-based experiments. Here, we present constraints concerning the production of light and strange mesons in atmospheric particle cascades using a dedicated analysis based on the shape of the neutrino spectrum in zenith and energy. We report the first measurement of the atmospheric K/Pi-ratio in a constrained energy range exclusively from neutrino observations.
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