Supernova Neutrinos, SN1987A, and the HALO / HALO-1kT detectors

Date and Time


MacN 415



Stanley Yen, UBC


The life of a massive star ends with the gravitational collapse of the iron core and the subsequent explosion of the star as a supernova.  Already a spectacular object in optical telescope, 99% of the energy is emitted in the form of neutrinos.  Neutrinos give a prompt picture of the nuclear and particle processes in the bowels of the exploding star, unlike the optical radiation which is emitted hours after the core collapse.  I will discuss a mystery of the neutrino signal from supernova 1987A, and the role of the HALO and HALO-1kT detectors in observing the neutrinos from the next galactic supernova.

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