The neutrino emission of SN1987A

Details The neutrino emission of SN1987A The neutrino emission of SN1987A

Nov 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987natur.330..142s&link_type=abstract

Nature (ISSN 0028-0836), vol. 330, Nov. 12, 1987, p. 142-144.

Astronomy and Astrophysics

Astronomy

15

Neutrinos, Neutron Stars, Star Formation, Supernova 1987A, Black Holes (Astronomy), Gravitational Collapse, Particle Interactions

Scientific paper

Several groups reported neutrino events, a few hours before the onset of the optical signal of the supernova 1987A in LMC. The authors show that the assumption that the the Mont Blanc (or Baksan) observation is due to the formation of a neutron star leads to excessive energy requirements. If confirmed, these two detections would invalidate any of the presently proposed explanations for the SN 1987A event. The Kamioka and IMB observations, on the other hand, match perfectly the standard theory and it is suggested that they were the tracers of the neutron star formation. They can then be used to constrain the number of neutrino flavours to be less than four.

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