University of Minnesota
School of Physics & Astronomy

Physics and Astronomy Calendar

Friday, November 18th 2016
10:10 am:
Speaker: Cheng-Hsien Li, University of Minnesota
Subject: Neutrinos from SN1987A in light of recent simulation.

It has been nearly three decades since the first and the only detection of neutrinos from stellar collapse. I will begin with a discussion of supernova neutrino emission and then examine the historical SN1987A event with the state-of-the-art 1D hydrodynamic simulation results from Mirizzi et al.(2016). A simple goodness-of-fit test is presented to demonstrate the incompatibility between the last three Kamiokande-II events, if they are associated with the core collapse of SN1987A, and the rapid cooling of the proto-neutron star prescribed by the convection treatment in the simulation. The implications will be briefly discussed.

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