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T: Fachverband Teilchenphysik

T 41: Neutrinoastronomie

T 41.1: Vortrag

Montag, 29. Februar 2016, 16:45–17:00, VMP9 SR 30

Analysis of Electron-Neutrino induced Cascades in IceCube — •Eike Otto for the IceCube collaboration — TU Dortmund, Dortmund, Deutschland

IceCube is a neutrino observatory located at the South Pole. It is capable of detecting neutrinos over a large energy range. The search for astrophysical neutrinos faces the challenges of a very low signal-to-background ratio due to the large amount of atmospheric muons.

Electron neutrinos that interact with nuclei in the surrounding ice produce secondary particles that create a unique spherical pattern called 'cascade' which can be detected with the IceCube detector.

This work concentrates on the analysis of electron neutrino induced cascades in IceCube using multivariate methods. The event selection puts focus on selecting neutrino candidates from the atmospheric and muon background. The overall analysis goal is an estimation of the electron neutrino energy spectrum.

In this talk I will present the current state of my analysis and give a perspective on following steps.