Physics – Nuclear Physics
Scientific paper
Jun 2005
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005nuphs.143..539s&link_type=abstract
Nuclear Physics B Supplement, Volume 143, p. 539-539.
Physics
Nuclear Physics
Scientific paper
The neutrinos released by a supernova explosion are an excellent window into the dynamics of the supernova process for which a detailed understanding is one of the remaining challenges for astrophysics. The Sudbury Neutrino Observatory (SNO) is capable of observing Galactic supernovae through the detection of neutrinos. Current supernova models have distinguishing features in their neutrino spectra. SNO's capabilities to extract energy and flavour are important tools in providing constraints on the models. Another aspect is that the neutrinos precede the visible eruption of the mantle of the star by up to 10 hours. This potentially allows for an early alert to the astronomical community and thus for observation from the earliest moment. In order to ensure a positive alert several neutrino detectors have formed the Supernova Early Warning System (SNEWS). A data analysis program to identify neutrinos from a Galactic supernova burst has been installed in the online system at SNO. The program automatically analyzes burst data and it is anticipated that an alert to SNEWS could be issued within 20-30 minutes.
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