Abstract: IceCube has recently observed 2 cascade-like events at PeV energies. These are the highest energy neutrino events ever observed. In this talk I will present a phenomenological analysis of the IceCube data that explores the potential sources for these events. We predict that an efficient way to identify such sources is to look at lower energies, where more events are expected. Preliminary IceCube data already seems to confirm this expectation, and hints that this may be the first glimpse of high energy astrophysical neutrinos.
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