Astronomy and Astrophysics – Astrophysics
Scientific paper
Nov 1980
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980a%26a....91...49a&link_type=abstract
Astronomy and Astrophysics, vol. 91, no. 1-2, Nov. 1980, p. 49-52.
Astronomy and Astrophysics
Astrophysics
4
Cosmic Rays, Galactic Radiation, Isotopic Labeling, Meteorites, Carbonaceous Meteorites, Interstellar Matter, Nuclear Fusion, Supernova Remnants
Scientific paper
A method of locating the origins of galactic cosmic rays based on the possible connection between recently observed isotopic anomalies in carbonaceous meteorites, supernova outbursts, and the physics of the interstellar medium is proposed. It is suggested that the cosmic rays are accelerated outside of the exploding objects from a mixture of unprocessed matter with up to 35 percent of the material originating in explosive hydrogen burning zones. The method compares the isotopic ratios of elements including O, Ne, and Mg for initial temperature and density conditions up to 10 to the 9th K; it is concluded that explosive nucleosynthesis computations show that the mixing with material from the H-rich supernova zone which suffered an explosion at 5 x 10 to the 8th K in the density range of 1 to 10 g/cu cm reproduces the determinations of the isotopic ratios in the cosmic rays.
Audouze Jean
Chieze Jean Pierre
Vangioni-Flam Elisabeth
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