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NPAC (Nuclear/Particle/Astro/Cosmo) Forums

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Organized by: Prof. Kimberley Palladino


Events During the Week of August 21st through August 28th, 2016

Monday, August 22nd, 2016

No events scheduled

Tuesday, August 23rd, 2016

No events scheduled

Wednesday, August 24th, 2016

No events scheduled

Thursday, August 25th, 2016

High-energy astrophysical neutrinos: testing ground for new physics
Time: 2:30 pm
Place: 5280 Chamberlin hall
Speaker: Mauricio Bustamante, Center for Cosmology and AstroParticle Physics (CCAPP), The Ohio State University
Abstract: High-energy astrophysical neutrinos, recently discovered by IceCube, are fertile ground to test for the presence of new physics. We can look for it at previously unexplored energies -- from tens of TeV to a few PeV, far beyond the reach of laboratory experiments. Due to cosmological-scale baselines -- Mpc to Gpc -- tiny new-physics effects, otherwise unobservable, could, by accumulation, become detectable. These include neutrino decay, violation of fundamental symmetries, and novel neutrino-neutrino interactions. I will show that the spectral features and flavor composition of neutrinos can reveal the presence and type of new physics. I will give special attention to neutrino decay. Present-day data are already sensitive to some models. More statistics, improvements in detection techniques, and detector upgrades will only enhance the sensitivity.
Host: Carlos Arguelles
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Friday, August 26th, 2016

No events scheduled
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