A gamma-ray-imposed constraint on the mode of origin of mass 22 in astrophysical environments

Details A gamma-ray-imposed constraint on the mode of origin of mass 22 in astrophysical environments A gamma-ray-imposed constraint on the mode of origin of mass 22 in astrophysical environments

Nov 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986a%26a...168..384t&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 168, no. 1-2, Nov. 1986, p. 384, 385.

Astronomy and Astrophysics

Astrophysics

2

Abundance, Gamma Rays, Heavy Nuclei, Interstellar Matter, Neon Isotopes, Nuclear Fusion, Aluminum 26, Galactic Evolution, Helium, Hydrogen, Iron, Nitrogen, Sodium 22, Solar System

Scientific paper

Recent observations of diffuse galactic gamma-ray line emission have served both to confirm the presence of 26Al in galactic matter and to impose limits upon the abundance levels of both 22Na and 60Fe. The quoted limit for 22Na may be used to impose an interesting constraint upon the mechanism of production of nuclei of mass 22 (22Ne) present in solar system matter. The authors here call attention to this useful and important constraint on the synthesis of 22Ne and its implications for galactic chemical evolution and nucleosynthesis.

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