Würzburg 2018 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 80: Neutrinophysik VIII

T 80.6: Vortrag

Donnerstag, 22. März 2018, 17:50–18:05, Z6 - HS 0.001

Investigating the atmospheric neutrino to antineutrino ratio with IceCube DeepCore — •Lasse Halve, Marvin Beck, Martin Leuermann, Saskia Philippen, and Christopher Wiebusch for the IceCube collaboration — III. Physikalisches Institut B, RWTH Aachen University

The IceCube Neutrino Observatory, located at the geographic South Pole, measures neutrinos and antineutrinos produced in cosmic-ray showers in the atmosphere. Neutrinos and antineutrinos cannot be distinguished on an event-to-event basis within IceCube. However, they show different distributions in the inelasticity parameter y for deep inelastic scattering. Based on a new reconstruction of y with machine-learning methods in the muon-neutrino channel, we present a first analysis dedicated to measure the energy-dependent ν/ν ratio above 100 GeV.