On the production of cosmogenic nuclides in meteorites by primary galactic particles - Cross sections and model calculations

Details On the production of cosmogenic nuclides in meteorites by primary galactic particles - Cross sections and model calculations On the production of cosmogenic nuclides in meteorites by primary galactic particles - Cross sections and model calculations

Feb 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984lpsc...14..673m&link_type=abstract

(American Geophysical Union and NASA, Lunar and Planetary Science Conference, 14th, Houston, TX, Mar. 14-18, 1983) Journal of Ge

Physics

1

Cosmochemistry, Galactic Cosmic Rays, Meteoritic Composition, Particle Production, Primary Cosmic Rays, Radioactive Isotopes, Cross Sections, Energy Spectra, Iron, Nickel, Titanium, Meteorites, Production Rates, Cosmogenic Elements, Nuclides, Particles, Models, Calculations, Radionuclides, Titanium, Iron, Nickel, Protons, Energy, Theoretical Studies, Comparisons, Experiments, Sources

Scientific paper

Cross sections for the proton-induced production of radionuclides (40 less than or equal to A less than or equal to 60) from natural titanium, iron, and nickel were measured for proton energies from 80 to 200 MeV. The experimental data were compared with calculations according to Blann's hybrid model of nuclear reactions and to the semiempirical formulas of Rudstam and of Silberberg and Tsao. Based mainly on the new excitation functions, the production rates of cosmogenic radionuclides in meteorites by primary galactic protons were calculated. Since the interaction of primary solar and galactic particles with meteorites can be described with accuracy, the model calculations allow for a quantitative estimate of the action of secondary particles in meteorites. A method of completely describing the production of cosmogenic nuclides in meteorites that takes into account all sources of production is proposed.

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