Friday, February 18, 2011, 11:00 am — Small Seminar Room, Bldg. 510
Despite 100 years of study, the origin of the highest energy cosmic-rays is still a mystery. Astrophysicists have considered many possible sources, most notably active galactic nuclei and gamma-ray bursters. A large enough (100 km3) detector could observe the neutrinos produced when these cosmic-rays interact with cosmic microwave background photons.
One way to detect these neutrinos is by searching for the coherent radio Cherenkov pulse produced by the showers that they produce. Several groups are searching for these pulses, from neutrino interactions in the Moon, Greenland, and Antarctica. After reviewing the current experimental efforts and results, I will zoom in on ARIANNA, a proposed 100 km^3 neutrino detector that may be built on the Antarctic Ross Ice Shelf, and discuss the status of our prototype station.
Hosted by: David Jaffe
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