[Seminars] Seminar Thursday 10AM - Donglian Xu

Abigail Vieregg avieregg at kicp.uchicago.edu
Wed Feb 25 22:11:56 CST 2015

Hi All,
There will be an open group seminar tomorrow (Thursday) at 10AM in the LASR conference room by Donglian Xu about IceCube.  Below is the title and abstract. 


Search for Astrophysical Tau Neutrinos in Three Years of IceCube Data
Donglian Xu, University of Alabama

High-energy cosmic neutrinos are expected to be produced in extremely energetic astrophysical sources such as active galactic nuclei (AGNs) and gamma ray bursts (GRBs). The IceCube neutrino observatory has recently detected a diffuse astrophysical neutrino flux at 5.7$sigma $. One of the outstanding questions regarding astrophysical neutrinos is their flavor composition. Most standard oscillation scenarios predict tau neutrinos in the astrophysical flux, which have a negligible background from cosmic ray induced atmospheric neutrinos. I will present the analysis method and results from a recent search for astrophysical tau neutrinos with three years of IceCube data.
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