Beryllium-10 contents of core samples from the St. Severin meteorite

Details Beryllium-10 contents of core samples from the St. Severin meteorite Beryllium-10 contents of core samples from the St. Severin meteorite

Sep 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984gecoa..48.1867t&link_type=abstract

Geochimica et Cosmochimica Acta (ISSN 0016-7037), vol. 48, Sept. 1984, p. 1867-1872. NSF-supported research.

Computer Science

5

Beryllium 10, Core Sampling, Meteoritic Composition, Cosmic Rays, Meteorites, St. Severin, Beryllium 10, Samples, Meteorite, Composition, Abundance, Ll Chondrites, Depth, Calculations, Production Rates, Energy, Cosmogenic Elements, Stony Meteorites, Comparisons, Experiments, Data

Scientific paper

Eleven samples taken from along the 35-cm core AIII of the LL-chondrite St. Severin have 10Be contents ranging from 20 to 28 dpm/kg. Calculations based on cross sections for proton-induced reactions that make 10Be disagree seriously with the measured values. Relatively large cross sections were constructed for neutron-induced reactions below 1 GeV. They give calculated 10Be production rates that agree with the measured values to within 10%. Cosmogenic 10Be in stony meteorites is better described as a medium-energy product than as a high-energy one.

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