Physics
Scientific paper
Dec 1974
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1974pht....27l..40s&link_type=abstract
Physics Today, vol. 27, Dec. 1974, p. 40-47
Physics
3
Astronomical Models, Big Bang Cosmology, Deuterium, Galactic Evolution, Interstellar Matter, Solar System, Abundance, Chemical Elements, Cosmic Rays, Main Sequence Stars, Nuclear Fuel Elements, Nuclear Reactions, Particle Production, Shock Waves, Supernovae
Scientific paper
Observations of deuterium abundance in various parts of the solar system and the interstellar medium are surveyed. The deuterium-to-hydrogen ratio is larger than what could be produced by ordinary stars, such as the sun. Possible deuterium production and destruction processes are analyzed, and it is concluded that it was produced in the universe in environments with high energy and low density. Possible sites of production considered are supernova shock waves and the primeval big-bang fireball. Shock waves are found to be better candidates for the production of light elements, lithium, beryllium, and boron, than of deuterium. Thus, the primeval big bang is the likely site of the production of the universe's deuterium. Deuterium observations can yield information on chemical processes in the solar system and interstellar clouds, on the production sites, on the conditions in violent stellar explosions, or on the nature of the universe itself.
Schramm David N.
Wagoner Robert V.
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