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Event Number 4380

  Wednesday, December 14th, 2016

NPAC (Nuclear/Particle/Astro/Cosmo) Forum
New opportunities with solar neutrinos
Time: 2:30 pm
Place: 5280 Chamberlin Hall
Speaker: Shirley Li, Ohio State University
Abstract: Crucial questions about solar neutrinos remain unanswered. Our knowledge of stellar fusion processes and neutrinos themselves is incomplete. Neutrino detectors such as Super-Kamiokande have the exposure needed, but backgrounds are limiting. A leading background is the beta decays of isotopes produced by cosmic-ray muons and their secondary particles, which initiate nuclear spallation reactions. I will discuss my comprehensive studies of the spallation backgrounds, from calculating their production rates, to understanding their production mechanisms, to how to implement better background rejection methods. I will also discuss the applications of our MeV work in detecting PeV astrophysical neutrinos in IceCube.
Host: Stefan Westerhoff
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