Bonn 2020 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 59: Neutrino astronomy II

T 59.6: Vortrag

Mittwoch, 1. April 2020, 17:45–18:00, L-2.004

Event Reconstruction for the Cascade Real-Time Alert Stream in IceCube — •Mirco Hünnefeld and Jan Soedingrekso for the IceCube collaboration — TU Dortmund, Germany

IceCube is a neutrino detector located at the geographic South Pole, instrumenting a cubic kilometer of glacial ice. A major goal of IceCube is the detection of astrophysical neutrino sources. Therefore, a real-time alert system was implemented to enable multi-messenger astronomy. Events that pass certain selection criteria are reconstructed in real-time on-site at the South Pole. If these events meet the requirements, they are sent out as alerts to telescopes around the world, enabling follow-up observations. Precise and fast reconstruction methods are necessary to abide the harsh resource constraints given on-site. The inclusion of cascade-like events harbors further challenges due to their inherently difficult angular reconstruction. In this talk, a deep learning-based reconstruction method is presented, which enables the accurate and fast reconstruction of cascade-like events and thus the implementation of a cascade alert stream.