Wuppertal 2015 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 54: Neutrinoastronomie I

T 54.2: Vortrag

Dienstag, 10. März 2015, 17:00–17:15, I.12.02 (HS 31)

Search for small-scale angular correlations of neutrino arrival directions in IceCube — •Michael Schimp, Martin Glagla, Christian Haack, Martin Leuermann, Leif Rädel, René Reimann, Sebastian Schoenen, and Christopher Wiebusch for the IceCube collaboration — III. Physikalisches Institut, RWTH Aachen University, 52056 Aachen, Deutschland

Recently, the IceCube Neutrino Observatory discovered a diffuse flux of extra-terrestrial high-energy neutrinos. The identification of their astrophysical sources is one of the goals of current investigations.

This analysis is based on the expansion of muon neutrino arrival directions in spherical harmonics, which is sensitive to angular correlations. A large number of point sources distributed over the sky would leave an imprint on the spectrum of observed expansion coefficients, even if the sources are too weak to be detected individually.

We present the analysis method and discuss possible astrophysical interpretations for the observation or non-observation of such a correlation.

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