The initial neutrino events from supernovae as evidence for matter versus antimatter

Details The initial neutrino events from supernovae as evidence for matter versus antimatter The initial neutrino events from supernovae as evidence for matter versus antimatter

Dec 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987apj...323l..31b&link_type=abstract

Astrophysical Journal, Part 2 - Letters to the Editor (ISSN 0004-637X), vol. 323, Dec. 1, 1987, p. L31-L33.

Astronomy and Astrophysics

Astrophysics

2

Antimatter, Gravitational Collapse, Neutrinos, Supernovae, Nuclear Reactions, Supernova 1987A

Scientific paper

It is shown that information in the initial neutrino burst from a supernova can reveal whether the source is made of matter or antimatter and yield very stringent limits on the mass of the electron neutrino. A measurement of the burst may be possible in large-volume detectors presently being built. Characteristics of the first Kamiokande II event suggest that their initial interacting particle was an electron neutrino rather than an electron antineutrino; if this neutrino is identified with the neutronization burst of SN 1987A, it constitutes evidence that the collapsing star was made of matter rather than antimatter.

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