Total energy of the neutrino burst from the supernova 1987A and the mass of the neutron star just born

Details Total energy of the neutrino burst from the supernova 1987A and the mass of the neutron star just born Total energy of the neutrino burst from the supernova 1987A and the mass of the neutron star just born

Oct 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987phlb..196..267s&link_type=abstract

Physics Letters B, Volume 196, Issue 3, p. 267-271.

Physics

27

Scientific paper

From the data of the neutrino burst detected by the Kamiokande-II and IMB groups we calculated the total neutrino energy carefully taking into account the efficiency of their water Čerenkov counters. By using this result, we discussed the neutron star mass which was formed by this supernova explosion. We conjectured that the mass is 1.0-1.7Msolar and a black hole was not formed, assuming that the distance to the supernova is 50 kpc. If the distance is 56 kpc, the mass range turns into 1.0-1.8Msolar and the possibility of black hole formation is also ruled out.

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