MG14 - Talk detail |
Participant |
Halzen, Francis | |||||||
Institution |
WIPAC / UW-Madison - 222 W. Washington Ave. #500 - Madison - WI - USA | |||||||
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PS |
Accepted |
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Talk |
Oral abstract |
Title |
IceCube and the Discovery of High-Energy Cosmic Neutrinos | |||||
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Abstract |
The IceCube project has transformed one cubic kilometer of natural Antarctic ice into a neutrino detector. The instrument detects more than 100,000 neutrinos per year in the GeV to PeV energy range. Among those, we have recently isolated a flux of high-energy cosmic neutrinos. I will discuss the instrument, the analysis of the data, and the significance of the discovery of cosmic neutrinos. The observed cosmic neutrino flux implies that a significant fraction of the energy in the non-thermal universe, powered by the gravitational energy of compact objects from neutron stars to supermassive black holes, is generated by accelerating protons and not just electrons. |
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