The helium-driven r-process in supernovae

Details The helium-driven r-process in supernovae The helium-driven r-process in supernovae

Jun 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978apj...222l..63t&link_type=abstract

Astrophysical Journal, Part 2 - Letters to the Editor, vol. 222, June 1, 1978, p. L63-L67.

Astronomy and Astrophysics

Astrophysics

58

Abundance, Helium, Nuclear Fusion, Supernovae, Carbonaceous Chondrites, Inclusions, Magnesium Isotopes, Meteoritic Composition, Neutrons, Oxygen Isotopes, Particle Production

Scientific paper

Enhanced r-process components and associated oxygen and magnesium anomalies found in two inclusions of the Allende meteorite have led to a reexamination of the general r-process within the nucleosynthesis processes occurring in supernovae. Results of calculations based on the supernova trigger theory for the origin of the solar system (Cameron and Truran, 1977) indicate that a powerful r-process can take place when supernova shocks pass through the helium zones of massive stars. The role of extensive helium burning before the supernova explosions in reducing r-process neutron production is discussed.

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