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HEP Seminar: High-Energy Neutrinos as New Cosmic Messengers

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Kohta Murase, Institute for Advanced Study
When
05 February 2014 from 2:30 PM to 3:30 PM
Where
339 Davey Laboratory
Contact Name
Contact Phone
814-865-3721
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Very recently, the IceCube collaboration reported 28 events of

high-energy neutrino events.  Although more statistics are needed,

they are likely to include extraterrestrial signals. It is the dawn of

a new age of neutrino astrophysics.

In this talk, after introducing basic concepts, I try to demystify the

origin of the observed neutrino signals. I discuss various

astrophysical possibilities, and then demonstrate the power of the

multi-messenger approach to test the origin of the diffuse flux.

A next important step is to detect neutrinos from individual

astrophysical sources. In particular, I consider promising signals

from gamma-ray bursts and supernovae, and show the importance of

GeV-TeV neutrinos. These neutrinos can provide us with a unique

opportunity to study physics that cannot be probed by photons.

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