Solar antineutrinos

Details Solar antineutrinos Solar antineutrinos

Apr 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990apj...352..767m&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 352, April 1, 1990, p. 767-771. Research supported by NSERC.

Astronomy and Astrophysics

Astronomy

2

Antineutrinos, Solar Interior, Solar Neutrinos, Compton Effect, Gamma Ray Astronomy

Scientific paper

As a consequence of natural radioactivity, the flux of low-energy solar antineutrinos predicted by the standard solar model is about 200/sq cm sec. This solar antineutrino flux, however, is overwhelmed by the large antineutrino background arising from terrestrial radioactivity. It is shown that, as a consequence of photon-fission reactions occurring in the solar interior, a more energetic flux of solar antineutrinos of about 0.001/sq cm s should exist. Although orders of magnitude below current detectability levels, a future directionally sensitive detector, with a low energy threshold to eradicate background terrestrial decays, could enable the energetic solar antineutrino flux to be measured.

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