The neutrino process and 9Be in the early Galaxy

Details The neutrino process and 9Be in the early Galaxy The neutrino process and 9Be in the early Galaxy

Oct 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992apj...398l..45m&link_type=abstract

Astrophysical Journal, Part 2 - Letters (ISSN 0004-637X), vol. 398, no. 1, p. L45-L47.

Astronomy and Astrophysics

Astrophysics

14

Beryllium, Galactic Evolution, Neutrinos, Nuclear Astrophysics, Supernovae, Abundance, Astronomical Spectroscopy, Helium, Isotopes, Stellar Envelopes

Scientific paper

Recent spectroscopic data of 9Be in very metal-poor stars provide a new probe of light-element production in the early Galaxy. It is suggested here that the 7Li(t, n)9Be reaction, induced by supernovae neutrino bursts passing through the helium shells of metal-deficient stars, may be responsible for some of the observed 9Be. A key signature of this process is the linear relationship of the beryllium abundance with the abundance of some other primary isotope, such as oxygen.

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