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Neutrinos and IceCube

The IceCube Observatory against Aurora Australis

The IceCube Neutrino Observatory, which includes the in-ice array IceCube and the surface component IceTop, is the world's largest neutrino telescope. It is located in the harsh environment of the South-Pole and the in-ice detector consists of more than 5000 photonsensors frozen in the Antarctic ice sheet. The photosensors are mounted on 86 strings, arranged in a triangular grid.

Although the IceCube observatory is primarily designed for the detection of high energy neutrinos from astrophysical sources, it is in fact multi-purpose detector, which offers unique insight into the physics of neutrinos and muons. Research within the IceCube collaboration therefore covers a wide spectrum of scientific topics, ranging from neutrino oscillations and atmospheric neutrinos at lower energies, to astrophysical neutrino events of ultra-high energies.

Our working group has a strong focus on the reconstruction of neutrino energy spectra, as the flux of astrophysical neutrinos manifests itself as a flattening of the energy spectrum at high energies. We are also involved in the reconstruction of particle properties with state-of-the-art methods from computer science, like Deep Neural Networks. Research on atmospheric muons and the hunt for the prompt component in the atmospheric muon and neutrino spectrum conclude our scientific interests.

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