Neutrinos from supernova 1987A

Physics

Scientific paper

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Scientific paper

The neutrino detection associated with the recent supernova SN1987A is reexamined in terms of a newtonian cooling model, and the results confronted with the so far fragmentary theoretical simulations of post-explosion cooling. We find a binding energy for the compact remnant of (2.0 +/- 0.50) × 1053 erg, a mass 1.1-1.7 Msolar, and an initial cooling temperature of 5.0 +/- 0.6 MeV. T extraction of a neutrino mass limit is considered in this framework and found, in agreement with some previous work, to give a slightly superior limit to present terrestrial experiments.
Address after 1 September 1987: State University of New York at Stony Brook, Stony Brook, NY 11794, USA.

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