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T: Fachverband Teilchenphysik

T 120: Cosmic Ray V

T 120.2: Talk

Thursday, March 23, 2023, 16:05–16:20, POT/0013

Improved Measurements of Seasonal Variations of the Atmospheric Neutrino Flux with IceCube — •Shuyang Deng, Jakob Bötter, Hannah Erpenbeck, Philipp Fürst, Erik Ganster, Matthias Thiesmeyer, and Christopher Wiebusch for the IceCube collaboration — III. Physikalisches Institut B RWTH Aachen University

The IceCube Neutrino Observatory is proven to be highly efficient in detecting atmospheric neutrinos that originate from cosmic-ray induced air showers. The high statistics allow measuring the correlation between the atmospheric neutrino flux and atmospheric properties such as temperature. This correlation depends particularly on the early hadronic development of air showers in the upper atmosphere. In this talk we present the extension of a previous analysis from six years to about ten years of observations. Furthermore, we investigate improved descriptions of atmospheric temperature profiles, and test the prediction of different hadronic interaction models.