A model for the production of cosmogenic nuclides in chondrites

Details A model for the production of cosmogenic nuclides in chondrites A model for the production of cosmogenic nuclides in chondrites

Sep 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990gecoa..54.2521g&link_type=abstract

Geochimica et Cosmochimica Acta (ISSN 0016-7037), vol. 54, Sept. 1990, p. 2521-2534.

Computer Science

42

Chondrites, Cosmic Rays, Meteorites, Nuclear Transformations, Radioactive Materials, Aluminum Isotopes, Argon, Argon Isotopes, Beryllium Isotopes, Helium, Manganese Isotopes, Models, Neon, Neon Isotopes

Scientific paper

A model is presented for calculating the production rates of cosmic-ray-produced He, Ne, and Ar as well as Be-10, Al-26, and Mn-53 in chondrites of variable size and shape. The predictions of this model are compared with published data for the meteorites ALH78084, St. Severin, and Keyes. The agreement is found to be about 5 percent for the concentrations of Be-10, Ne-21, Ne-22, Ar-38, and Mn-53, and to be better than 1 percent for the Ne-22/Ne-21 ratios. The correlation between P(Be-10)/P(Ne-21) and Ne-22/Ne-21 ratios is experimentally verified over a wide range of irradiation conditions.

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